CN101818591A - Lock handle for door - Google Patents

Abstract

A kind of lock handle for door (1), comprise: body shell (11), handle (12), working beam (13), check lock lever (14) and brake (15), rotate by the depressing position of operating grip (12) towards regulation, working beam (13) rotates towards rear side from the face side of door (32), push a side of check lock lever (14) and rotate end, make check lock lever (14) unitary rotation, thereby being rotated, opposite side holds from rear side carrier (312) towards face side face contact basket side, make check lock lever pro push the carrier of basket side, and make basket airtight fully.

Description

door lock handle

technical field

The present invention relates to a lock handle for a door, and more particularly to a lock handle for a door used in a shelf for storing electrical equipment, electronic equipment, and other various equipment.

Background technique

Generally, in a shelf for accommodating electrical equipment, electronic equipment, etc., a hinge member is attached to either the left or right side of the door or the housing, and the door is pivotally attached to the housing. On the other side of the door, a handle is installed on the front side, and a locking lever that can rotate in conjunction with the handle is provided on the back side. In this way, the door is connected by a hinge member to open and close the opening surface of the casing. When the door is closed, the handle is turned to engage the locking rod with the receiving portion on the side of the casing, so that the lining between the door and the casing is locked. The pads lock (shut inside) and compress.

In addition, in such a lock handle, it is necessary to sufficiently engage the lock lever on the door side with the receiving portion on the housing side, and to sufficiently compress the packing, so a multi-point lock type may be used. In this way, multiple locking levers are provided on the back of the door, which can be engaged with and disengaged from the receiving portion on the side of the housing. These locking levers work by being connected to the handle through a connecting device, and all the locking levers can be engaged and disengaged from the receiving part on the side of the housing by rotating the handle. With this multi-point locking, the gasket provided between the door and the cabinet is fully compressed and deformed on the back of the door, so the door can be locked with stable high sealing performance even though there is only one point of rotation operation. The above door lock handle is described in, for example, Japanese Patent Laid-Open No. 6-336864 or the like.

However, in the above-mentioned existing locking handle for doors, since the locking lever rotates on a surface parallel to the back of the door through the turning operation of the handle, it is difficult to press the locking lever on the receiving part on the side of the housing frontally. There is a problem that a high degree of airtightness cannot be satisfied when the door and the housing are required to fully seal the housing. In addition, since the lock lever engages and disengages from the inner side of the opening edge of the housing at this time, it is necessary to provide a handle mounting opening on the side of the door and on the inner side of the housing to attach the handle. In such an inner handle, since the handle attachment opening communicates with the inside of the housing, there is a problem that it is difficult to completely seal the housing.

Contents of the invention

The present invention is made to solve the above-mentioned existing technical problems, and its purpose is to provide a locking handle for a door. In the above-mentioned locking handle for a door, the locking lever presses the receiving part on the side of the casing from the front, thereby completely In addition, the airtight casing is suitable for the side of the door, the outer handle installed on the outside relative to the casing, and can realize a completely airtight state between the door and the casing.

In addition, the object of the present invention is to provide a multi-point locking type locking device, which can make the door press the front side of the housing at multiple places by interlocking with multiple locking members and using the above-mentioned door locking handle. The receiving part further improves the airtight state between the door and the casing.

In order to achieve the above object, the present invention provides a locking handle for a door. By rotating the handle arranged on the front side of the door, the locking lever arranged on the back side of the door is rotated, and is connected with the handle formed on the side of the casing. The receiving part of the above-mentioned door is engaged and disengaged, so as to open and close the door. It is characterized in that it includes: a handle, which is pivotally supported on the front side of the door through a shaft parallel to the front of the above-mentioned door, and can be connected with the above-mentioned door. rotation between a prescribed depressed position and a prescribed raised position in the vertical plane of the front; a detent which holds said handle in said depressed position; a front side extending toward the back side of the door and integrally rotatable with said handle between the back side and front side of the door; and a locking lever pivotally supported by an axis perpendicular to the axis of said handle On the back side of the door, one side of the rotating end can rotate around the shaft toward the above-mentioned working rod, and the other side of the rotating end can rotate around the shaft toward the receiving part on the side of the casing. By turning the above-mentioned handle toward the pressed position, The working rod rotates from the front side to the back side of the door, and presses one rotating end of the locking rod, so that the locking rod rotates as a whole, and the other rotating end presses and contacts the receiving part on the housing side.

In addition, ideally, the locking device also has the following structure:

(1) It includes a main body casing, which can be embedded and fixed in the handle installation opening formed by cutting the front side of the door, and has an opening connecting the front side and the back side of the door. The handle can be connected to the main body The casing is fitted, one end of which is pivotally supported by the above-mentioned main body casing through the above-mentioned shaft, the above-mentioned working rod can be rotated integrally with the above-mentioned handle between the back side and the front side of the door in the above-mentioned opening, the cross-section of the above-mentioned locking rod It is substantially L-shaped, and the substantially middle part of the above-mentioned cross-sectional shape is pivotally supported on one side part of the above-mentioned main body casing arranged on the back side of the door through an axis perpendicular to the axis of the above-mentioned handle, and is installed so that one side can be rotated. Rotate toward the above-mentioned working rod, the other rotating end can rotate toward the receiving part on the side of the housing, and apply force through the rotation of the spring device, so that the rotating end on one side can press the above-mentioned working rod under normal conditions, and the above-mentioned brake can be combined with the above-mentioned The rotating end of the handle is provided on the main body casing so as to be engaged and disengaged, and the pressing contact and engagement between the locking lever and the receiving part on the housing side are maintained by the engagement of the handle at the pressing position and the stopper. state, by operating the above-mentioned brake, the engagement between the above-mentioned handle and the above-mentioned brake is released, so that the above-mentioned locking lever is elastically restored to the normal state position through the above-mentioned spring device, and the above-mentioned working lever is pressed and rotated by the locking lever to move it from The back side of the door is pressed back toward the front side, and together with the working lever, the handle is turned toward the pulled-up position and maintained in this state.

(2) A lock unit is further included, which is attached to the above-mentioned stopper or the handle, and locks the rotation at the depressed position of the above-mentioned handle.

(3) It includes: a cam member that is pivotally supported on the main body casing by the shaft of the handle, extends toward the back side of the door, and is capable of contacting the above-mentioned handle between the back side and the front side of the door in the above-mentioned opening. integrally rotating; and a slide bar pivotally supported by the above-mentioned cam member, which converts the rotation of the cam member into linear motion, and can linearly advance and retreat along the rear side of the door.

(4) Attached to the outside with respect to the inside of the housing.

(5) The main body shell, the handle, the working rod, and the locking rod are respectively formed symmetrically or reversibly in the left and right directions, so that they can be selectively installed on either side of the left and right sides of the door.

In addition, the present invention also provides a multi-point locking type locking device, in which locking members are arranged at multiple positions on the side of the rotating side of the back of the door, or at multiple positions on the side and the end adjacent to the side. In conjunction with the operation of the handle installed on the front of the door, the lock bolts connected with the plurality of locking members are driven to move forward and backward along the above-mentioned side parts, or the above-mentioned side parts and the above-mentioned end parts on the back of the door, so that the above-mentioned locking members are in contact with the The receiving part on the side of the casing is engaged and disengaged. It is characterized in that the locking device has the above-mentioned locking handle for the door. In addition, the locking handle for the door also includes: a cam member, and the cam member is pivoted through the shaft of the handle. supported by the main body casing, extending toward the back side of the door, and integrally rotatable with the handle between the back side and the front side of the door in the opening; and a slide lever pivotally supported by the cam The member converts the rotation of the cam member into linear motion, and can advance and retreat linearly along the rear side of the door. In addition, the above-mentioned slide rod is connected to the above-mentioned latch.

In the locking handle for a door of the present invention, by adopting the above-mentioned structure, the operating handle is rotated toward a predetermined pressing position, so that the working rod is rotated from the front side of the door to the rear side, and one rotating end of the locking rod is pressed to make the lock The tightening lever rotates as a whole, so that the other rotating end presses into contact with the receiving portion on the side of the casing. Therefore, the locking lever positively presses the receiving portion on the side of the casing to completely seal the casing. In addition, at this time, only by turning the handle and engaging it with the stopper, the handle can be held at a predetermined depressed position in the main body casing, and the locking lever can be fixedly held by pressing the receiving part on the side of the casing. state. Conversely, only by operating the brake to release the engagement with the handle, the handle can be rotated and protruded from the main body casing to a predetermined pull-up position, and the state in which the locking lever is pressed against the receiving portion on the housing side can be released. Therefore, opening and closing of the door, engagement and disengagement of the lock lever and the receiving portion on the housing side can be easily performed. In addition, the form of engagement between the locking lever and the receiving part on the side of the housing is suitable for installing the other parts other than the handle on the side of the door and the outer handle on the outside relative to the housing, so that the height of the housing can be realized. Airtight state.

In addition, in the multi-point locking type locking device of the present invention, by using the locking handle for the door as the driving part of the locking device, the door can be pressed positively on the receiving part on the side of the housing at multiple places, and further complete airtightness can be achieved. casing.

Description of drawings

Fig. 1 (a) is a partially omitted rear view showing a multi-point locking type locking device with a door locking handle according to an embodiment of the present invention, Fig. 1 (b) is a top view of the above-mentioned locking handle, and Fig. 1 (c ) is a plan view of the terminal locking member used in the above-mentioned multi-point locking type locking device.

FIG. 2( a ) is a top sectional view showing the handle mounting opening of the door and the housing side receiving portion on which the lock handle is mounted, and FIG. 2( b ) is a rear view of the handle mounting opening.

Fig. 3 is a side sectional view of the above-mentioned locking handle.

Fig. 4 is a top view of the above locking handle.

Fig. 5 is a rear view of the aforementioned locking handle.

Figure 6 is a partially cutaway rear view of the multi-point locking locking device having the locking handle described above.

Fig. 7(a) is a top sectional view of the above-mentioned multi-point locking locking device, and Fig. 7(b) is a partially omitted rear sectional view of the above-mentioned locking device.

Fig. 8(a) is a side sectional view of the terminal locking member (when not working) of the above-mentioned multi-point locking locking device, and Fig. 8(b) is a side sectional view of the above-mentioned terminal locking member (working).

Fig. 9 is a side view of the above locking handle.

Fig. 10(a) is a partial cross-sectional plan view showing a state in which the handle of the lock handle is pulled up to a predetermined position, and Fig. 10(b) is a partial view showing a state in which the handle of the lock handle is pushed down to a predetermined position Sectional top view.

(Symbol Description)

1 lock handle for door

11 main body shell

110 opening

111 buried part

112 fitting part

113 Shaft · pin support

114 grooved part

115 axis sliding rod support

116 sliding rod insertion hole

117 shaft through hole

118 shaft mounting holes

119 holes

119P slot

11U, 11D screw holes

12 handles

121 axis

122 locking steps

123 Guidance Department

124 shaft insertion part

13 working poles

135 mounting holes

14 locking lever

140 axis

141 Pressed part

142 pressing part

143 shaft insertion part

144 coil spring (spring device)

15 brakes

150 axis

151 arms

152 axis through hole

154 lock unit

155 lock cylinder

156 lock cylinder cam

16 cam member

161 pin through hole

17 sliding bar

171 mounting holes

172 long holes

173 pins

2 multi-point locking locking device

21 end locking member

22 end housing

221 base

225 shell body

226 opening

227 slots

228 guide hole

229 screw through hole

23 end slide

231 pin insertion hole

232 guide surface

24 end locking rod

240 axis

241 Pressed part

242 pressing part

243 shaft insertion part

244 coil spring (spring device)

25 latches

251 pins (joint part)

252 connecting board

253 pins

254 protection pad

26 Latch guide

260 mounting holes

261 Fixed Department

262 guide

3 shelves

31 housing

310 opening

311 side

312 edge (housing side receiving part)

313 liner

32 doors

321 turn side side

322 handle installation port

323 mounting holes

33 Water removal department

Detailed ways

Next, an embodiment of the present invention will be described with reference to the drawings. In this embodiment, the attachment to the shelf which accommodates electric equipment, an electronic equipment, etc. is illustrated, and the lock handle for doors which concerns on this invention is demonstrated concretely.

As shown in FIG. 1 , a housing 31 of the rack 3 has an opening 310 on the front surface, and a step is provided between an edge 312 defining the opening 310 and a housing side 311 formed in a groove shape. A gasket 313 is attached to a front surface of the edge portion 312 of the opening 310 . The door 32 covers the entire front surface of the housing 31 , and the water removal part 33 is formed between the side part 321 on the turning side of the door 32 and the groove-shaped side part 311 of the housing 31 . A handle installation opening 322 is formed through the side portion 321 of the door 32 .

The locking handle 1 for the door includes a main body casing 11, a handle 12, a working rod 13, a locking rod 14, a brake 15, etc., and is installed on the handle installation port 322 of the side part 321 of the door 32, as a relative to the casing 31. The inner space is arranged on the outer side and the outer locking handle is assembled. Through the turning operation of the handle 12 , the locking lever 14 can engage and disengage from the edge 312 of the opening 310 constituting the receiving portion on the housing side. In addition, in the case of such a lock handle 1 for a door, it can be used in combination with the cam member 16, the slide bar 17, etc., and it can be used for the multi-point lock type lock apparatus 2.

In order to install the locking handle 1 for the door on the door 32, as shown in FIG. , and a mounting hole 323 is respectively pierced near the center of its upper and lower ends.

As shown in FIG. 1 , the main body case 11 of the door locking handle 1 is fitted and fixedly formed in the handle installation opening 322 of the door 32 , and has an opening 110 communicating the front side and the back side of the door 32 . More specifically, the main body casing 11 is composed of a substantially rectangular frame-shaped embedded portion 111 that can be fitted into the handle installation opening 322 of the door 32 , and a door that is continuous with the embedded portion 111 and can be fitted to the handle installation opening 322 . A bonding portion 112 is formed around the front side. The bonding portion 112 is formed in a substantially rectangular frame shape slightly larger than the embedding portion 111 . Furthermore, an opening 110 penetrating through the embedding portion 111 and the bonding portion 112 is formed, and a cylindrical hole 119 is formed substantially parallel to the opening 110 below the opening 110 .

As shown in FIG. 3 , a shaft/pin support 113 is disposed on the upper side of the opening 110 , and is detachably attached to the upper side of the embedded part 111 by screws. A shaft hole is formed on the lower surface of the shaft and pin support member 113, and a pin hole is formed on one side surface, and on the upper side of the opening 110, the shaft and pin support member 113 faces the other side with the pin hole. state, and installed in the embedded part 111. In addition, the shaft/pin support 113 may be arranged in a reversed direction in the left-right direction on the other side of the inner upper portion of the opening 110, and may be attached to the embedded portion 111 with screws. In addition, in the opening 110, a groove 114 is formed in the middle part in the vertical direction of the embedded part 111, and the shaft/slider support 115 is fitted in the groove 114, and is detachably attached by screws. On the upper and lower surfaces of the shaft/slider support 115, a shaft hole opposite to the shaft hole of the shaft/pin support 113 is formed through one side, and a slide bar hole is formed through the other side. In addition, this shaft/slider support 115 may be attached to the groove-shaped part 114 so that it may be reversed in the left-right direction. On the upper part of the embedded part 111, the insertion hole 116 of the slide rod is formed through the hole for the slide rod of the shaft and the slide rod support 115, and on both sides of the embedded part 111, directly below the groove-shaped part 114. Shaft insertion holes 117, 117 are formed. In addition, a shaft attachment hole 118 is formed at a position corresponding to a slightly lower side of the shaft/pin support 113 on the upper side of both sides of the bonding portion 112 . Below the opening 110, that is, at the lower part of the main body case 11, a cylindrical hole 119 opening on the front side of the bonding part 112 is formed, and an end of the hole 119 on the side of the embedded part 111 is formed with an opening. 110 communicates with groove 119 . In addition, the upper and lower ends of the bonding portion 112 side of the main body case 11 protrude in the vertical direction, and screw holes 11U, 11U communicating with the mounting holes 323 above and below the handle mounting port 322 are respectively formed on the rear side. In this way, the main body case 11 is formed bilaterally symmetrically so that it can be selectively attached to either of the left and right side portions of the door 32 .

As shown in FIGS. 3 and 4 , the handle 12 is fitably formed in the opening 110 of the main body casing 11 , and one end is pivotally supported on the main body casing 11 by a shaft 121 parallel to the front of the door 32 , and is installed. It is rotatable between a predetermined pressing position and a predetermined pulling position in a plane perpendicular to the front of the door 32 . The handle 12 is pivotally supported on the bonding portion 112 of the main body casing 11 by the shaft 121, and a locking step portion 122 that can be engaged with the brake 15 described later is formed at the rotating end (lower end) of the handle 12. An inclined guide portion 123 for pressing the stopper 15 from above and rotating and displacing it downward is formed on the inside of the step portion 122 . The working lever 13 is pivotally supported coaxially with the handle 12 , extends to the back side of the door 32 , and is mounted to be rotatable integrally with the handle 12 between the back side and the front side of the door 32 in the opening 110 . At this time, the working rod 13 may also be integrally formed on the upper back of the handle 12 . The working rod 13 is formed in a substantially trapezoidal or substantially triangular shape, and protrudes from the back surface of the upper part 12 . In addition, a shaft insertion hole 124 is formed at a position where the upper end of the handle 12 overlaps with the upper end of the operating rod 13 . In addition, three mounting holes for coupling with the cam member 16 described later are respectively formed in the working rod 13 at the lower position of the shaft insertion hole 124, the protruding end position, and the position where the lower end of the working rod 13 overlaps the handle 12. 135, 135, 135. In this way, the handle 12 with the operating lever 13 is formed bilaterally symmetrically so that it can be selectively attached to either of the left and right side portions of the door 32 . In addition, the working rod 13 is arranged in the upper part of the opening part 110 of the main body casing 11, and the handle 12 is inserted into the opening part 110 from the upper part to the middle part of the fitting part 112 of the main body casing 11, and is attached to the shaft of the fitting part 112. A shaft 121 is inserted between the hole 118 and the shaft insertion hole 124 on the top of the handle 12 . The shaft 121 is wound with a coil spring, one end of which is locked to the back of the main body housing 11 , and the other end is locked to the back of the handle 12 . Thereby, the handle 12 is installed so as to be rotatable between a predetermined depressed position fitted into the opening 110 of the main body casing 11 and a pulled-up position formed from this position at an appropriate angle with respect to the front of the door, and the handle 12 is normally A biasing force is applied to rotate from the opening 110 of the main body case 11 toward the pulled-up position. In addition, the coil spring of the handle 12 functions as a stopper at the point of holding the handle 12 in the pulled-up position in a normal state. In addition, the working rod 13 integrated with the handle 12 is disposed in the opening 110 of the main body case 11, and the protruding end of the working rod 13 can be positioned between a predetermined position on the embedded part 111 side and a predetermined position on the bonding part 112 side. It rotates around the shaft 121 of the handle 12 (advances and retreats), and in a normal state, an urging force to rotate toward the fitting part 112 side acts.

As shown in FIGS. 4 and 5 , the cross section of the locking lever 14 is approximately L-shaped, and the approximately middle portion of the cross-sectional shape is pivotally supported on the back side of the door 32 by the shaft 140 perpendicular to the shaft 121 of the handle 12. One side of the main body case 11 is disposed. The locking lever 14 is installed so that one rotating end of the L-shape can rotate toward the working rod 13, and the other rotating end can rotate toward the receiving portion 312 on the side of the casing, and the force is applied by the rotation of the spring device 144, so that in the One side rotating end can press working rod 13 under normal state. More specifically, the locking lever 14 is formed by a pressed portion 141, a convex pressing portion 142, and a pair of shaft insertion portions 143, 143, and has an overall L-shaped cross section, wherein the pressed portion 141 can be formed to In the shape of a longitudinally long rectangular flat plate disposed in the opening 110 of the main body case 11 , the pressing portion 142 is bent and protrudes from one side of the pressed portion 141 in a direction approximately 90 degrees, and a pair of shaft insertion portions 143 , 143 It is formed at the upper and lower parts of the transition between the pressed part 141 and the pressing part 142 at approximately 90 degrees, and has a through hole through which the shaft 140 can be inserted in the vertical direction. In this way, the lock lever 14 is selectively attached to either of the left and right side portions of the door 32, and can be turned and used in the left and right directions. In addition, the shaft 140 is inserted into the through holes of the upper and lower shaft insertion parts 143, 143, and the shaft 140 is installed between the shaft hole of the shaft pin support 113 and the shaft hole of the shaft sliding rod support 115, Among them, the shaft/pin support 113 is attached to the embedded portion 111 of the main body case 11 . In this way, the locking lever 14 is installed so that the pressed part 141 can rotate around the axis 140 toward a predetermined position in the opening 110. In addition, the pressing part 142 can rotate toward the outside of one side of the main body casing 11, and can move toward The prescribed position is rotated about axis 140 . In addition, the lock lever 14 is biased by the coil spring 144 wound around the shaft 140 so that the pressed portion 141 rotates toward a predetermined position in the opening 110 in a normal state.

As shown in FIG. 3 , the stopper 15 is provided on the main body housing 11 so as to be engageable and disengageable with the rotating end of the handle 12 , and maintains the handle 12 in a depressed position in a normal state through a spring device. The stopper 15 is formed in a substantially rectangular plate shape, fits in the opening 110 at the lower part of the fitting part 112 of the main body case 11, and is formed in a convex shape, and its lower end enters the opening 110 slightly. A pair of arms 151, 151 protrude from the back of 15, and shaft insertion holes 152, 152 are perforated on the protruding ends. In this way, the stopper 15 is formed bilaterally symmetrically so that it can be selectively attached to either of the left and right side portions of the door 32 . In addition, a pair of arms 151 and 151 are fitted into the opening 110 at the lower part of the bonding part 112 of the main body case 11, and the shaft 150 is inserted through the shaft insertion holes 117 and 117 provided on both sides of the embedded part 111 and the shaft of the stopper 15. into the through holes 152,152. A coil spring is wound around the shaft 150 , and one end thereof is engaged with the lower surface of the groove portion 114 in the middle of the main body case 11 , and the other end is engaged with the lower portion of the rear surface of the stopper 15 . In addition, in this case, the spring force of the coil spring on the stopper 15 side is stronger than that of the coil spring on the handle 12 side. Thereby, the stopper 15 is pivotally supported to be rotatable, and slightly enters the lower portion of the opening portion 110 of the main body case 11, and since the lower end portion abuts against the edge surface of the opening portion 110, it can be prevented from protruding, and installed It can be engaged and disengaged with the rotating end of the handle 12. By pressing the handle 12 from the pull-up position protruding from the main body casing 11 toward the depressed position in the opening 110 of the main body casing 11, the rotating end of the handle 12, that is, the guide part 123 at the lower end of the handle 12 and the stopper 15 The upper end of the stopper 15 is abutted against, thereby rotating and displacing the stopper 15 downward. When the lower end of the handle 12 passes over the upper end of the stopper 15 , the stopper 15 elastically returns to its original position, and at the same time, its upper end engages with the locking step 122 at the lower end of the handle 12 . Since the spring force of the coil spring on the stopper 15 side is stronger than the spring force of the coil spring on the handle 12 side, the handle 12 is held in the depressed position inside the main body case 11 . When the front lower part of the stopper 15 is pressed in this state, the stopper 15 rotates and displaces downward, and the engagement between its upper end and the locking step part 122 at the lower end of the handle 12 is released, and the handle 12 moves from the depressed position in the main body housing 11 Turn the protrusion to the raised position.

A lock unit 154 is installed below the stopper 15 , that is, in the cylindrical hole 119 provided at the bottom of the main body case 11 . The lock head unit 154 includes a rotatable lock core 155 with a specified key and a lock core cam 156 that is fixed to the rear end of the lock core 155 perpendicular to the axial direction of the lock core 155 and can rotate integrally. A groove 119P located at the rear end of the hole 119 is disposed in the lower portion of the opening 110 of the main body case 11 . In addition, when the key cylinder 155 is turned in a predetermined direction using a predetermined key, the cylinder cam 156 protrudes to the locked position where the movement (rotation) of the stopper 15 is restricted, and the handle 12 is locked at the depressed position. By rotating the lock cylinder 155 in the opposite direction, the lock cylinder cam 156 reverses to the open position where the stopper 15 is allowed to operate (rotate), and the lock of the handle 12 at the depressed position is released.

In addition, in this lock handle 1 for a door, as shown in FIG. Inside, the door 32 can rotate integrally with the handle 12 between the back side and the front side. The overall shape of the cam member 16 including the working rod 13 is substantially square, and one corner thereof protrudes upward from the upper side of the working rod 13 (the edge connecting the upper end of the handle 12 and the protruding end of the working rod 13 ). On both sides of the cam member 16, common holes are formed at positions corresponding to the mounting holes 135, 135, 135 of the operating rod 13, and a pin insertion hole 161 is formed at a corner protruding above the operating rod 13. . In this way, the cam member 16 is formed bilaterally symmetrically so that it can be selectively attached to either of the left and right side portions of the door 32 . In addition, the cam member 16 is fastened to one side of the working rod 13 by passing the mounting screw through the mounting holes 135, 135, 135 of both the cam member 16 and the working rod 13 (the mounting hole of the cam member 16 has no symbol). , is pivotally supported in the opening 110 of the main body casing 11 together with the handle 12 . As shown in FIG. 3 , the slide bar 17 is formed of an elongated plate having a predetermined length, and has a slightly wider width in the middle. The upper end of the slide bar 17 is formed with a mounting hole 171 for connecting with the latch 25 of the multi-point locking type lock device 2 described later, and the middle part is formed with a long hole 172 that is long in the width direction of the slide bar 17 . In this way, the slide bar 17 is formed bilaterally symmetrically so that it can be selectively attached to any one of the left and right side portions of the door 32 . In addition, the slide rod 17 is inserted through the slide rod insertion hole 116 provided on the upper part of the embedded part 111 and the slide rod hole of the shaft and slide rod support 115 provided at the middle part of the embedded part 111, and is supported from the shaft and pin. The pin 173 protruding from the side of the member 113 is inserted into the long hole 172 in the middle part and the pin insertion hole 161 in the upper part of the cam member 16 . Thereby, the slide bar 17 is supported by the cam member 16 and installed so as to convert the rotation of the cam member 16 into linear motion, and linearly advance and retreat in the vertical direction of the main body case 11 .

In this way, as shown in FIG. 1 , the door lock handle 1 is attached to the side portion 321 on the turning side of the door 32 via the main body case 11 . The handle 12 is pivotally supported by a shaft 121 parallel to the front face of the door 32, and can rotate between a prescribed depressed position and a prescribed pulled-up position in a plane perpendicular to the plane, and is held at its rotational end by a stopper 15. Press the position. The operating lever 13 extends toward the rear side of the handle 12 and is pivotally supported to be rotatable integrally with the handle 12 between the rear side and the front side of the door 32 . The locking lever 14 is pivotally supported on the back side of the door 32 through the shaft 140 perpendicular to the shaft 121, and one side of the rotating end can be rotated toward the working rod 13, and the other side of the rotating end can be rotated toward the receiving part 312 on the side of the casing. Structure. In addition, by turning the handle 12 toward the depressed position, the working lever 13 is turned from the front side to the back side of the door 32, and one side turning end of the locking lever 14 is pressed to rotate the locking lever 14 as a whole, so that the other side The rotating end presses into contact with the receiving portion 312 on the housing side.

6 and 7 show a multi-point locking type locking device 2 constituting a multi-point locking mechanism together with the door locking handle 1 . In this locking device 2, a 3-point locking method using the door locking handle 1 is adopted, including the door locking handle 1, two end locking members 21 and the locking handle 1 to drive these ends. 1 latch 25 of the locking member 21 .

The two end locking members 21 , 21 are identical, and include an end housing 22 , an end slider 23 and an end locking rod 24 .

The tip housing 22 is formed by a base 221 and a housing body 225 . The base 221 is in the shape of an elongated flat plate in the vertical direction, and screw insertion holes are formed at the upper and lower ends thereof, and can be screwed and fixed to the rotating side of the back side of the door 32 . In addition, on one side of the base 221, a holding portion having an arc-shaped cross-section supporting a shaft insertion portion 243 of the end lock lever 24 described later protrudes, and on both upper and lower ends of the holding portion, two A shaft holding portion having an arc-shaped cross section of the shaft 240 inserted through the shaft insertion portion 243 is supported. The casing main body 225 is in the shape of an elongated box in the vertical direction, and fits on the base 221 , forming a sliding space inside which the end slider 23 can slide in the vertical direction. The surface of the housing body 225 opposite to the base 221 is completely open, and one side wall is thick. A substantially rectangular opening 226 is cut continuously from the middle portion of the surface opposite to the base-facing surface to the thick wall, and the end lock lever 24 can be fitted therein. Further, grooves 227 , 227 capable of supporting the shaft 240 together with the shaft holding portion of the base 221 are formed on the upper and lower sides of the thick opening 226 . On the side wall on the side opposite to the thick wall, a guide hole 228 for moving the guide tip slider 23 is formed in the up-down direction. In addition, screw insertion holes 229 , 229 communicating with the screw insertion holes at the upper and lower ends of the base 221 are formed in the center of the upper and lower ends of the housing main body 225 . In this way, the terminal housing 22 can be selectively installed on any one of the left and right sides of the door 32, and can be used by turning it left and right.

The length of the end slider 23 is shorter than half of the entire vertical length of the end case 22 , and can be fitted into the sliding space of the end case 22 . At this time, the outer peripheral surface of the end slider 23 is formed in a planar shape capable of contacting various surfaces in the sliding space, and in particular, the central portion of the contacting surface with the base 221 is formed in a concave shape. In addition, the upper surface of the end slider 23 is formed in the shape of an inclined surface in which the side of the base 221 is the upper side and the side opposite to the base 221 is the lower side, forming a guide surface 232 for guiding the rotation direction of the end locking lever 24, The lower surface of the tip slider 23 is formed in a flat shape capable of surface-contacting with the lower surface of the housing main body 225 . Further, between both side surfaces of the end slider 23 , more specifically, a cylindrical pin insertion hole 231 is formed penetratingly at a position slightly above the center in the vertical direction. In this way, the end slider 23 is formed bilaterally symmetrically so that it can be selectively attached to either one of the left and right side portions of the door 32 . The tip slider 23 is configured to be slidable in the above-mentioned orientation from the lower surface of the housing main body 225 upward or vice versa within the housing main body 225 .

The cross-section of the terminal locking rod 24 is approximately L-shaped, and the approximately middle part of the cross-sectional shape is pivotally supported on one side of the terminal housing 22 by the shaft 240 parallel to the arrangement direction of the terminal locking members 21, and the terminal lock The tightening rod 24 is installed so that one rotating end can rotate toward the end slider 23 , and the other rotating end can rotate toward the receiving portion 312 on the side of the casing. In addition, the end locking lever 24 is provided with a rotational force through a spring device ( 244 ), so that in a normal state, one rotational end presses the end slider 23 . More specifically, the end lock lever 24 is formed by a pressed portion 241, a convex pressing portion 242, and a pair of shaft insertion portions 243, 243, and has a substantially L-shaped cross-section as a whole, wherein the pressed portion 241 forms It is a trapezoidal flat plate that can be arranged in the opening 226 of the housing main body 225 , and the pressing part 242 is bent from one side of the pressed part 241 toward a direction of approximately 90 degrees, and is directed toward the outside of one side of the terminal housing 22 . Protruding, a pair of shaft insertion parts 243, 143 are formed at the upper and lower parts of the transition between the pressed part 241 and the pressing part 142 at approximately 90 degrees, and have a through hole through which the shaft 240 can be inserted in the vertical direction. In this way, the end locking lever 24 can be selectively installed on any one of the left and right sides of the door 32, and can be used by turning it left and right. In addition, the shaft 240 is inserted through the through holes of the upper and lower shaft insertion parts 243, 243, the end locking rod 24 is inserted into the opening 226 of the housing body 225, and the shaft 240 is supported by the grooves 227, 227 of the housing body 225 and the base. 221 shaft holders. In this way, the end locking lever 24 is installed so that the pressing part 241 can rotate around the shaft 240 toward a predetermined position in the opening 226. In addition, the pressing part 242 can rotate toward the outside of one side of the housing main body 225, and can It rotates around the shaft 240 toward a predetermined position. In addition, the end lock lever 24 is biased by the coil spring 244 wound around the shaft 240 so that the pressed portion 241 turns toward a predetermined position in the opening 226 in a normal state.

In this way, the housing main body 225 fits on the base 221 to form a sliding space inside, and the end slider 23 is disposed in the sliding space and can slide upward from the lower surface of the housing main body 225 or vice versa. The shaft insertion parts 243, 243 are supported between the grooves 227, 227 of the housing main body 225 and the shaft holding part of the base 221 through the holding part of the base 221, and the shaft 240 is supported between the grooves 227, 227 and the shaft holding part of the housing main body 225. Between the shaft holding parts of the base 221 , the end locking lever 24 is mounted so that the pressed part 241 can rotate toward the inside of the housing body 225 , and the pressing part 242 can rotate toward the outside of the housing body 225 . Through the upward and downward movement of the end slider 23 , the end of the pressed portion 241 is engaged and guided by the guide surface 232 on the upper surface of the end slider, and the pressing portion 242 rotates outside or inside the housing body 225 .

The lock bolt 25 can be arranged along the turning side of the back side of the door 32, and is an elongated bolt having a length that can work by connecting the end lock member 21 to the sliding rod 17 of the door lock handle 1. A connecting portion to be connected to the slide bar 17 is provided at a predetermined position. The latch 25 adopts a flat latch, and a pin 251 constituting a connecting portion is fixedly connected to a predetermined position in the middle of the latch 25 through a connecting plate 252 . In addition, on both ends of the latch 25 , a pin 253 protrudes from one surface, and a protection pad 254 is attached to the other surface. At this time, the pin 253 is a cylindrical pin that can be inserted into the pin insertion hole 231 of the end slider 23 , and is fixed by caulking in a mounting hole formed in the latch 25 . The protective pad 254 is formed of a synthetic resin material into a substantially rectangular plate shape, and one side thereof is integrally formed with a mounting shaft, and the mounting shaft is pressed into and fixed in a mounting hole formed in the latch 25 . In this way, the latch 25 can be selectively installed on any one of the left and right side portions of the door 32, and can be used by turning it left and right. In addition, the pins at both ends of the latch 25 are inserted into the pin insertion holes 231 of the end slider 23 through the guide holes 228 on the side of the end housing 22 , so that the latch 25 is connected to the two end locking members 21 , 21 to operate. In addition, when installing the latch 25, the latch guide 26 may also be used. The latch guide 26 has a groove shape capable of wrapping around the latch 25 , is provided on the turning side of the rear surface of the door 32 , and guides the movement of the latch 25 in a predetermined direction. At this time, the latch guide 26 is formed by a fixing part 261 and a guide part 262, wherein the fixing part 261 is formed in a planar shape that can be installed on the back of the door 32, and has a mounting hole approximately in the center thereof, and the guide part 262 is fixed from the flat surface. One end of the portion 261 extends in a U-shape. In this way, the latch guide 26 can be selectively mounted on any one of the left and right side portions of the door 32, and can be used by being reversed in the left and right directions. In addition, the guide portion 262 of the latch guide 26 is installed and fixed on the rear surface of the door 32 according to the arrangement of the latch 25 so as to surround the periphery of the latch 25 and guide the advancing and retreating direction of the latch 25 .

In this way, in the locking device 2, the two terminal locking members 21, 21 are arranged and fixed at two places above and below the rotating side of the back side of the door 32, and the latch 25 is connected by the pins 253, 253 to work, and the latch 25 25 is connected with the sliding bar 17 of door locking handle 1 by pin 251 and works. In addition, in conjunction with the operation of the handle 12 installed on the front of the door 32, the latch 25 moves up and down along the rotating end of the door 32, so that the end locking rods 24, 24 of the end locking members 21, 21 are in contact with the casing. The side receiving portion 312 engages and disengages.

As mentioned above, the door locking handle 1 is installed on the door 32, as shown in Figure 9, by turning the operating handle 12 in the state where the door 32 is closed relative to the casing 31, the locking lever 14 is rotated, and the locking lever 14 is rotated from the frame formed on the casing. The receiving portion 312 on the side portion of the front surface of the door 31 is released so that the door 32 can be opened and closed. At this time, as shown in FIG. 10(a), in the state where the door 32 is opened, the handle 12 is disengaged from the stopper 15, and the rotation force of the locking lever 14 is applied by the coil spring 144, and the pressed portion 141 moves toward the main body casing 11. Inwardly rotated and displaced, so that the working rod 13 is rotated and displaced from the back side of the door 32 to the front side. At the same time, the handle 12 integrated with the working rod 13 rotates and displaces from the depressed position in the main body housing 11 to the pulled up position (pressed), and is completely pulled by the applied force of the coil spring on the shaft 121 of the handle 12. to the raised position. That is, the handle 12 is in a state protruding from the front of the door 32 . As shown in Figure 10 (b), in this state, the door 32 is closed, and the handle 12 is rotated toward the main body casing 11 to the depressed position, so that the working rod 13 and the handle 12 are integrally moved from the front side of the door 32 to the back side. turn. The pressed portion 141 of the locking lever 14 is pressed by the working rod 13 , and the pressing portion 142 rotates toward the receiving portion 312 on the housing side. In addition, by pressing the handle 12 into the depressed position in the opening 110, the working lever 13 presses the locking lever 14 (pressed part 141), and makes the pressing part 142 move from the back side to the front side and the housing side. The receiving portion 312 is pressed into contact with force. By this pressing contact, the door 32 is forcibly pulled toward the case 31 side, the gasket 313 at the edge of the opening of the case 31 is completely compressed, and the opening 310 is completely sealed. Meanwhile, the rotating end of the handle 12, that is, the guide portion 123 at the lower end of the handle 12 abuts against the upper end of the brake 15 to make it rotate and displace downward, and the lower end of the handle 12 crosses over the upper end of the brake 15 to restore the brake 15 elastically. Simultaneously with returning to the original position, the engagement step portion 122 at the lower end of the handle 12 engages with the upper end portion of the stopper 15 . Since the spring force of the coil spring on the stopper 15 side is stronger than the spring force of the coil spring on the handle 12 side, the handle 12 is fixed at the depressed position inside the main body case 11 . Thereby, the door 32 is closed on the front of the housing 31, and the opening 310 of the housing 31 is kept in a completely sealed state. At this time, insert the specified key into the lock head unit 154 below the brake 15 to rotate the lock cylinder 155 and make the lock cylinder cam 156 in the locked position, thereby limiting the movement of the brake 15 and pulling up the handle 12. The rotation of the direction is locked, and the door 32 is locked. In addition, in this state, inserting a predetermined key into the lock unit 154 rotates the lock cylinder 155 in the opposite direction and places the cylinder cam 156 at the open position, whereby the stopper 15 is allowed to operate. In addition, when the front lower part of the stopper 15 is pressed, the front lower part of the stopper 15 rotates and displaces downward, and the engaging step 122 at the lower end of the handle 12 and the upper end part of the stopper 15 are released, thereby unlocking the handle 12. The coil spring 144 biases the rotation of the lock lever 14 , the pressed portion 141 rotates into the main body casing 11 , and presses the operating lever 13 to rotate from the back side of the door 32 to the front side. The handle 12 integrated with the working rod 13 rotates from the depressed position to the pulled-up position (pressed), and is completely pulled up to the pulled-up position by the biasing force of the coil spring on the shaft 121 of the handle 12 . That is, the handle 12 protrudes from the front of the door 32, and the closed state of the door 32 is released (see protrusion 10(a)).

In addition, as shown in FIG. 1, FIG. 6 and FIG. 7, in the multi-point locking type locking device 2 having the locking handle 1 for the door, it is locked with the ends arranged on the upper and lower sides of the rotating side on the back side of the door 32. The latch 25 connected by the component 21 is linked with the operation of the handle 12 installed on the front of the door 32, guided by the latch guide 26, and moves forward and backward along the rotating side of the back of the door 32, so that each end locking member 21 The locking lever 24 at the end of the housing engages and disengages with the receiving portion 312 on the housing side. At this moment, in the state where the door 32 is opened, as shown in FIG. Inward rotation and displacement, thereby pressing the working rod 13, making it rotate and displace from the back side of the door 32 to the front side, by making the cam member 16 integrated with the working rod 13 rotate and displace from the back side of the door 32 to the front side , the slide bar 17 is displaced downward along the turning side of the back of the door 32 . The latch 25 connected to the sliding rod 17 is interlocked with the sliding rod, and guided by the latch guide 26, it is displaced downward along the side of the back of the door 32, whereby each end slider 23 is located in the upper and lower end shells. The body 22, 22 slides and displaces downward in the sliding space. At this time, the end locking rod 24 does not rest on the guide surface 232 of the end slider 23 . Therefore, the end locking lever 24 is rotated and displaced by the pressing portion 241 to a predetermined position in the opening 226 of the housing main body 225 under the rotational force of the coil spring 244, and the pressing portion 242 is located at the receiving portion from the housing side. 312 out of state.

In this state, as shown in FIG. 10( b), by turning the handle 12 toward the main body casing 11 to the depressed position, the working lever 13 integrated with the handle 12 is turned from the front side of the door 32 to the back side, and the The cam member 16 integrated with the operation lever 13 is also rotated from the front side to the back side of the door 32 . In addition, as shown in FIG. 1 or FIG. 6, by the rotation of the cam member 16, the slide bar 17 is displaced upward, and the latch 25 connected to the slide bar 17 is interlocked, guided by the latch guide 26, and moved toward sent above. When the latch 25 is sent upward, each end slider 23 slides upward in the sliding space of each upper and lower end housing 22, and at the same time, the pressed portion 241 of each end locking rod 24 rests on the guide surface 232, By engaging with it, being guided and pressed, the pressing part 242 turns toward the receiving part 312 on the housing side. In addition, when the handle 12 is pressed into the depressed position in the opening 110, each end locking lever 24 (pressed portion 241) of the end housing 22 is pressed by the cam member 16, the slide bar 17, and the latch 25. Insert, and press the pressing part 242 from the back side toward the front side to forcefully press and contact the receiving part 312 on the housing side. By this pressing contact, the door 32 is forcibly pulled toward the case 31 side, the gasket 313 at the edge of the opening of the case 31 is completely compressed, and the opening 310 is completely sealed. Meanwhile, the rotating end of the handle 12, that is, the guide portion 123 at the lower end of the handle 12 abuts against the upper end of the brake 15 to make it rotate and displace downward, and the lower end of the handle 12 crosses the upper end of the brake 15 to elastically recover the brake 15 Simultaneously with returning to the original position, the engaging step portion 122 at the lower end of the handle 12 engages with the upper end portion of the stopper 15 . Since the spring force of the coil spring on the stopper 15 side is stronger than the spring force of the coil spring on the handle 12 side, the handle 12 is fixed at the depressed position inside the main body case 11 . Thereby, the door 32 is closed on the front of the housing 31, and the opening 310 of the housing 31 is kept in a completely sealed state. In addition, when the lower front portion of the stopper 15 is pressed in this state, the lower front portion of the stopper 15 rotates and displaces downward, and the engagement between the locking step portion 122 at the lower end of the handle 12 and the upper end portion of the stopper 15 is released. When the coil spring 144 urges the lock lever 14 to rotate, the pressed portion 141 rotates into the main body casing 11 , and the cam member 16 is pressed to rotate from the rear side to the front side of the door 32 . As the cam member 16 rotates, the slide bar 17 slides downward, and the latch 25 connected to the slide bar 17 moves downward while being guided by the latch guide 26 in conjunction with the slide bar 17 . As the latch 25 moves downward, the end sliders 23 slide downward in the sliding spaces of the upper and lower end housings 22 , and the engagement between the guide surface 232 and the end lock lever 24 is released. Therefore, the terminal locking lever 24 is rotated and displaced by the pressing part 241 to a predetermined position in the opening 226 of the terminal housing 22 under the rotational biasing force of the coil spring 244, and the pressing part 242 is lifted from the receiving part 312 on the housing side. leave. That is, the closed state of the door 32 is released.

As described above, the door locking handle 1 includes a main body casing 11, which can be embedded and fixed in the handle installation opening 322 formed by cutting the front side of the rotation side of the door 32, and has a communicating door. 32 front and rear openings 110. The handle 12 can be fitted with the main body casing 11, and one end is pivotally supported on the main body casing 11 by a shaft 121 parallel to the front of the door 32, and can be pressed down at a predetermined position in a plane perpendicular to the front of the door 32. Rotate between the specified pull-up positions. The working rod 13 is pivotally supported coaxially with the handle 12 , extends toward the back side of the door 32 , and is rotatable integrally with the handle 12 between the back side and the front side of the door 32 in the opening 110 . The cross section of the locking lever 14 is substantially L-shaped, and the substantially middle part of the cross-sectional shape is pivotally supported by the shaft 140 perpendicular to the shaft 121 of the handle 12 on the side of the main body casing 11 disposed on the back side of the door 32. department. The locking lever 14 is installed so that one side of the rotating end can rotate towards the working rod 13, and the other side of the rotating end can rotate towards the receiving part 312 on the side of the basket, and the force is applied by the rotation of the spring device 144, so that in the normal state one side The rotating end can press the working rod 13 . The stopper 15 is provided on the main body housing 11 so as to engage and disengage the rotating end of the handle 12, and keeps the handle 12 in a depressed position, and the spring device (coil spring) plays a role in rotating the handle 12 to apply force The action of the brake held in the raised position. In addition, when the operating handle 12 is rotated toward the depressed position, the working rod 13 is rotated from the front side to the rear side of the door 32, and one side rotating end (pressed portion 141) of the locking lever 14 is pressed, so that the locking lever 14 is rotated as a whole. , so that the other rotating end (pressing portion 142 ) is pressed into contact with the receiving portion 312 on the housing side from the back side toward the front side. By this pressing, the door 32 is pulled toward the housing side, and the liner 313 at the edge of the opening of the housing 31 is completely compressed. Therefore, the locking lever 14 presses the receiving portion 312 on the housing side frontally, and the opening of the housing 31 can be closed. 310 is completely airtight. In addition, at this time, only need to rotate the handle 12 and make it engage with the stopper 15, the handle 12 can be kept in the depressed position inside the main body casing 11, and the locking lever 14 can be fixedly pressed against the casing side. The state of the receiving part 312. On the contrary, only need to operate the brake 15 to release the engagement with the handle 12, the handle 12 can be rotated and protruded from the main body casing 11 to the pull-up position, and the locking lever 14 can be released from pressing the receiving portion 312 on the side of the casing. status. In this way, the operation of opening and closing the door 32 and engaging and disengaging the lock lever 14 with the receiving portion 312 on the housing side can be easily performed. In addition, this type of locking rod 14 engaging with the receiving portion 312 on the housing side is suitable for the outer handle installed on the side of the door 32 and outside the housing 31 to achieve a highly airtight state of the housing 31 .

In addition, since the lock handle 1 for the door is provided with the lock head unit 154 in addition to the stopper 15, the rotation of the handle 12 can be locked at the depressed position, therefore, the handle 12 can be locked reliably, and The state in which the locking lever 14 is pressed against the receiving portion 312 on the housing side is reliably maintained, thereby maintaining a completely sealed state between the door 32 and the housing 31 .

In addition, the door locking handle 1 also includes: a cam member 16 pivotally supported on the main body casing 11 by the shaft 121 of the handle 12 , extending toward the back side of the door 32 , and can be inserted into the opening 110 , rotate integrally with the handle 12 between the back side and the front side of the door 32; The rotating side of the back side advances and retreats in a straight line. According to this door locking handle 1, the terminal locking member 21 is driven by the forward and backward movement of the latch 25, and a multi-point locking type in which the terminal locking rod 24 engages and disengages from the receiving portion 312 on the side of the casing is formed. The driving part of the locking device 2. The side of the back of the door 32 is provided with a multi-point locking locking device 2, which is linked with the locking lever 14 through the operation of the handle 12, so that the terminal locking lever 24 of each terminal locking member 21 can be connected to the side of the casing. The receiving portion 312 of the door 32 is engaged and disengaged, so that the completely sealed state of the door 32 and the housing 31 can be realized more reliably.

In addition, in the locking handle 1 for the door, since the main body casing 11, the handle 12, the working rod 13, and the locking rod 14 are formed to be left-right symmetrical or reversible in the left-right direction, they can be selectively installed on the side of the door 32. Therefore, the locking handle 1 for the door can be installed on any side of the door. Therefore, parts management is easy, and cost reduction can be achieved. In addition, of course, it is also applicable to the aspect which makes a door open and close in an up-down direction similarly.

In addition, the multi-point locking locking device 2 using the locking handle 1 for the door includes multiple terminal locking members 21 arranged on the rotating side of the back side of the door 32, and is connected with the handle 12 mounted on the front side of the door 32. The lock bolt 25 connected to each end locking member 21 moves forward and backward along the side of the back of the door 32 in interlocking operation, so that the end locking lever 24 of each end locking member 21 engages with the receiving portion 312 on the side of the casing. Combine, break away. Each terminal locking member 21 includes: terminal housing 22, the two ends of the terminal housing 22 facing up and down direction are disposed on the turning side of the back of the door 32; terminal slider 23, the terminal slider 23 is configured to be The end housing 22 slides inside, and the end locking lever 24 is rotatably mounted on the end housing 22. Through the forward and backward movement of the end slider 23, one side of the rotating end engages with the end slider 23 , and being guided, the other rotating end can engage and disengage with the receiving portion 312 on the housing side. The end slider 23 of each end locking member 21 is connected with the latch 25, and it is rotated to the depressed position by operating the handle 12, so that the sliding rod 17 is moved along the side of the door 32 back through the cam member 16 integrally rotating with the handle 12. slides and drives the latch 25 through the sliding rod 17. Through the action of the latch 25, each end slider 23 slides, presses the pressed portion 241 of the end locking lever 24, and makes the pressing portion 242 press-contact with the receiving portion 312 on the housing side from the back side toward the front side of the door. Due to this pressing contact, the door 32 is pulled toward the casing 31, and the gasket 313 at the edge of the opening of the casing 31 is completely compressed. Therefore, the same as the door locking handle 1, the end locking lever 24 is pressed against the front side. The receiving portion 312 on the housing side can completely seal the opening 310 of the housing 31 . In addition, at this time, it is only necessary to rotate the handle 12 and make it engage with the stopper 15, the handle 12 can be kept in the depressed position in the main body casing 11, and the end locking rod 24 can be fixedly pressed against the basket. The state of the receiving portion 312 on the body side. On the contrary, only need to operate the brake 15 to release the engagement with the handle 12, the handle 12 can be rotated and protruded from the main body casing 11 to the pull-up position, and the terminal locking lever 24 can be released from being pressed against the housing side. Section 312 status. In this way, the opening and closing of the door 32 and the engagement and disengagement of the end lock lever 24 and the receiving portion 312 on the housing side can be easily performed.

In addition, in the present embodiment, the main body case 11 and the handle 12 are respectively formed in vertically elongated rectangles, of course, such shapes can be arbitrarily changed in design. In addition, the operating rod 13 is formed integrally with the handle 12 , but it may be formed separately, and the operating rod 13 is attached to the shaft 121 at a predetermined angle with respect to the handle 12 . In addition, although the locking lever 14 adopts the above-mentioned shape, as long as it is pivotally supported by the shaft 140 perpendicular to the shaft 121 of the handle 12, one side rotating end rotates and engages with the working rod 13, and the other The shape of the structure in which the side rotating end rotates around and engages with the receiving portion 312 on the housing side is arbitrary. In addition, although the stopper 15 of the handle 12 adopts the above-mentioned form, it is not particularly limited to this form, as long as the handle 12 can be held in the depressed position, of course, it can also be changed to the one applied to the existing flat handle. other forms. In addition, the lock unit 154 that locks the stopper 15 is provided on the main body case 11 to lock the handle 12 in the depressed position, but it can also be replaced with a lock unit provided in the handle 12 itself to lock the depressed position. . In addition, although the locking handle 1 for doors was exemplified as an outer handle, it is also applicable to the form attached to the inside of the housing 31 in the same way.

In addition, although in the present embodiment, the cam member 16 and the slider 17 are disposed on the main body case 11 to constitute the multi-point locking type locking device 2 having the door locking handle 1, This multi-point locking mechanism can also be replaced with other existing multi-point locking mechanisms. In this embodiment, the terminal locking member 21 is disposed at multiple positions on the rotating side of the back side of the door 32, and is linked with the operation of the handle 12 installed on the front of the door 32, so that the end locking member 21 connected to The lock bolt 25 moves forward and backward along the rotating side of the back side of the door 32, so that each terminal locking member 21 engages and disengages from the receiving portion 312 on the side of the casing as an example, but it can also be used on the back of the door. Side, that is, the side of the rotating side and the upper and lower ends are equipped with terminal locking members in multiple places, which are linked to the operation of the handle installed on the front of the door, so that the latch connected to the terminal locking member moves along the rotating side of the back of the door. The upper and lower end parts move forward and backward, so that the end locking member engages and disengages from the receiving part on the housing side.

Claims (7)

1. A locking handle for a door. By rotating the handle arranged on the front side of the door, the locking lever arranged on the back side of the door is rotated and engaged with the receiving part formed on the side of the casing , break away, thereby open and close the door, it is characterized in that, comprises: a handle pivotally supported on the front side of the door by an axis parallel to the front face of the door and movable between a defined depressed position and a defined raised position in a plane perpendicular to the front face of the door turn; a detent retaining the handle in the depressed position; a working rod pivotally supported on the front side of the door by the shaft of the handle, extending toward the back side of the door, and rotatable integrally with the handle between the back side and the front side of the door; and A locking lever, which is pivotally supported on the back side of the door by an axis perpendicular to the axis of the handle, so that one side of the rotating end can rotate around the axis towards the working lever, and the other side of the rotating end can Rotate around the shaft toward the receiving part on the housing side, By turning the handle toward the depressed position, the working lever is turned from the front side of the door to the back side, and one side turning end of the locking lever is pressed, thereby turning the locking lever as a whole, so that all The rotating end on the other side of the locking lever presses into contact with the receiving portion on the housing side. 2. The locking handle for a door according to claim 1, further comprising a main body shell, which can be embedded and fixed in the handle installation opening formed by cutting the front side of the door, and has The opening connecting the front side and the back side of the door, The handle is formed to fit with the main body casing, and one end is pivotally supported on the main body casing by the shaft, The working lever is integrally rotatable with the handle between the back side and the front side of the door in the opening, The lock lever has a substantially L-shaped cross-section, and a substantially middle portion of the cross-sectional shape is pivotally supported on one side of the main body case disposed on the back side of the door via an axis perpendicular to the axis of the handle. part, and the locking lever is installed so that one rotating end can rotate towards the working rod, and the other rotating end can rotate towards the receiving part on the side of the basket, and the force is applied by the rotation of the spring device. Under normal conditions The rotating end on one side can press the working rod, The brake is provided on the main body casing so as to be engaged with and disengaged from the rotating end of the handle, By engaging the handle at the depressed position with the stopper, the pressing contact and engagement state between the locking lever and the receiving portion on the housing side is maintained, By operating the brake, the engagement between the handle and the brake is released, so that the locking lever is elastically restored to the normal state position by the spring device, and the working lever is pressed by the locking lever to rotate , the working lever is pressed back from the back side of the door toward the front side, and together with the working lever, the handle is rotated toward the pull-up position and maintained in this state. 3. The locking handle for a door according to claim 1, further comprising a locking unit, which is attached to the stopper or the handle, and locks the rotation at the depressed position of the handle. 4. The door locking handle according to claim 2, further comprising: a cam member, which is pivotally supported on the main body casing by the shaft of the handle, extends toward the back side of the door, and can rotate integrally with the handle between the back side and the front side of the door in the opening; as well as The slide bar is pivotally supported by the cam member, converts the rotation of the cam member into linear motion, and can linearly advance and retreat along the back side of the door. 5. The door locking handle according to claim 1, characterized in that, the door locking handle is installed on the outside relative to the inside of the casing. 6. The locking handle for a door as claimed in claim 2, characterized in that, the main body shell, the handle, the working rod, and the locking rod are respectively left-right symmetrical or formed so that they can be turned over in the left-right direction, so that they can be selectively installed on Either side of the left and right sides of the door. 7. A multi-point locking locking device, the locking member is arranged at multiple places on the side of the rotating side of the back of the door, or at multiple places on the side and the end adjacent to the side, and is installed on the The operation of the handle on the front of the door is interlocked to drive the latches connected with the plurality of locking members to advance and retreat along the side, or the side and the end of the back of the door, so that the locking members Engages and disengages with the receiving part on the side of the housing, and is characterized in that, The locking device has the door locking handle as claimed in claim 1, The locking handle for the door also includes: a cam member, which is pivotally supported on the main body casing by the shaft of the handle, extends toward the back side of the door, and can rotate integrally with the handle between the back side and the front side of the door in the opening; as well as a sliding rod pivotally supported by the cam member, converting the rotation of the cam member into linear motion, and linearly advancing and retreating along the back side of the door, The sliding rod is connected with the latch.

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