JP2003148031A - Gear adjustment hinge - Google Patents

Abstract

(57) [Problem] To provide a gear adjusting hinge which can adjust a mounting position of a door and a frame without any step and can be adjusted by one person from outside. SOLUTION: This is a pivot hinge which can be attached to a door and a frame body, a) a pivot portion having a pivot shaft which can move up and down in a sleeve erected on a door mounting member, b) a horizontal portion and the horizontal portion. A support portion having a vertical portion erected at one end of the portion, and c) an eccentric gear and an adjustment gear accommodated in the horizontal portion from the other end side and capable of interlocking with each other, and the eccentric gear has a circular eccentric hole. The adjustment gear is provided with a gear portion provided with an adjustment groove. D) The pivot portion is opposed to one side, the door mounting material is fixed to the upper and lower corners of the door, and the support portion is opposed to the vertical portion. Is fixed to the upper and lower corners of the frame body, the tip shaft of the pivot shaft is slidably inserted into the eccentric hole, the door can be opened and closed, and the adjusting gear and the eccentric gear are sequentially rotated from the adjusting groove to rotate the pivot shaft. A gear adjustment hinge that allows the shaft to be displaced back and forth and left and right.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a pivot hinge which is mounted on a door and a frame and whose position can be adjusted without removing the door.

[0002]

2. Description of the Related Art Pivot hinges are installed inconspicuously on the top and bottom of a door, so that they have a smart appearance, are preferable, and are widely used. However, it has been difficult to adjust the mounting position of the pivot hinge due to building, door misalignment, etc. However, as described in, for example, Japanese Patent Laid-Open No. 1-232079, an eccentric portion is provided on the upper and lower pivot shafts. , After loosening the set screw or nut fixing the pivot shaft and rotating it to move the eccentric part to correct the deviation, the set screw or nut is used to fix the pivot shaft. Further, the pivot shaft is placed in a polygonal (for example, hexagonal or octagonal) eccentric portion, and a polygonal opening in which the eccentric portion can be fitted is bored in a support bracket to which the door is fixed. There is a pivot hinge having a structure in which the eccentric portion is changed in direction and is inserted and attached to adjust the axial center position.

[0003]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
The pivot hinge described in Japanese Patent No. 322079 has different specifications in the upper and lower sides and is not versatile, and adjustment of the eccentric portion loosens the set screw or nut fixing the pivot shaft to move the eccentric portion, which is troublesome. It is difficult to carry out the adjustment operation by one person because it takes time. In addition, in the form in which the polygonal eccentric part is inserted into the polygonal opening, the same form can be used for both upper and lower sides, but since the direction is changed in the polygon, adjustment can only be done stepwise, and in order to change the direction It is troublesome and the adjustment operation is difficult for one person. On the other hand, in the present invention, the components used up and down are the same and interchangeable, and the front and rear, left and right, and up and down adjustments of the mounting position with the door and the frame can be performed without steps, and the adjustment operation can be performed by one person from the outside. The purpose is to obtain an adjusting hinge.

[0004]

In order to achieve this object, according to the invention of claim 1, there is provided a pivot hinge which can be attached to a door and a frame, and a) is installed upright on a door mounting member. And a support part having a horizontal part and a vertical part standing on one end of the horizontal part, and c) the horizontal part from the other end side. Having an eccentric gear and an adjustment gear that can be housed and interlocked with each other,
The eccentric gear is provided with a circular eccentric hole, and the adjusting gear is provided with a gear portion provided with an adjusting groove or an adjusting piece. D) The pivot parts are opposed to each other, and the door mounting member is The doors are fixed to the upper and lower corners of the door, the supporting parts are opposed to each other, the vertical parts are fixed to the upper and lower corners of the frame body, and the tip shaft of the pivot shaft is slidably inserted into the eccentric hole. This is solved by a gear adjustment hinge that can be opened and closed and that the adjustment gear and the eccentric gear are sequentially rotated from the adjustment groove or the adjustment piece so that the axial center of the pivot shaft can be displaced back and forth and left and right. Claim 2
In the invention, the intermediate gear is interposed between the eccentric gear and the adjusting gear, and the eccentric gear, the intermediate gear, and the adjusting gear are housed in the horizontal portion in the order of engagement from the other end, and the adjusting groove or the adjusting gear is accommodated. The gear adjusting hinge according to claim 1, wherein the adjusting gear, the intermediate gear, and the eccentric gear are sequentially rotatable from one piece. In the invention of claim 3, in the eccentric gear and the adjusting gear, the flange at the upper or lower end, the teeth of the intermediate boss, and the step at the lower or upper end are formed coaxially and integrally with each other, and From the end side, an eccentric gear, an intermediate gear, and an adjusting gear are stored in this order in a substantially gourd-shaped deformed hole in which three arcuate holes that can be loosely fitted while the teeth are engaged are housed in a substantially gourd-shaped deformed hole. Alternatively, the eccentric gears and the adjusting gears are rotatably and unrotatably held by the flanges that abut the lower surface and the stoppers that are fixed to the step portions that project below or above the horizontal portion, and the intermediate gears are The gear adjusting hinge according to claim 2, which is held by the flanges and the stoppers. According to the invention of claim 4, in the eccentric gear and the adjusting gear, the large-diameter flange at the lower or upper end portion, the teeth of the intermediate boss portion, and the small-diameter flange at the upper or lower end portion are coaxially and integrally formed, and the horizontal portion From the other end side, an eccentric gear, an intermediate gear, and an adjusting gear are sequentially housed in a substantially gourd-shaped deformed hole in which three arcuate holes that can be loosely fitted while the teeth are meshed are successively formed, The eccentric gear and adjustment gear are held so that they cannot be pulled out and are rotatable by fixing a stopper with a round hole with a bottom through which the large-diameter flanges protruding from the subordinate or upper surface can slide and the horizontal subordinate or upper surface. The intermediate gear can be the gear adjusting hinge according to claim 2, which is held between the flanges.

In the invention of claim 5, a) in the vertical portion of the support portion, a vertically elongated oval hole is formed in the upper and lower central portions, and vertical rectangular grooves and upper and lower end portions are formed slightly apart from the vertically elongated oval hole. A horizontally elongated circular hole is formed, and b) a base portion is formed by an eccentric cam and a plate-shaped substrate that can cover the vertical portion having a width slightly wider than the vertical portion, and the substrate has a circular hole in the central portion. And horizontal rectangular protrusions and circular holes at the upper and lower ends which are slightly above and below the circular hole, and c) the base portions are fixed to one facing upper and lower corners of the frame body and the vertical portions are superposed on the base portion. , A central circular hole of the substrate, a vertically elongated circular hole of the vertical portion, a horizontal rectangular protrusion of the substrate, a horizontal rectangular groove vertical of the vertical portion, upper and lower end circular holes of the substrate and upper and lower portions of the vertical portion. The laterally elongated oblong holes are overlapped with each other, and d) the eccentric cam protrudes with the shaft center eccentric to the disk and the back surface of the disk. It has a circular rotary shaft and an adjusting groove or adjusting piece, and the rotary shaft is fitted in a circular hole in the central portion of the substrate so as to be rotatable and non-protrudable, and a vertically elongated oval of the disc and the vertical portion. The gear according to any one of claims 1 to 4, wherein a frame cam is formed by the hole, and the disc is rotated from the adjustment groove or the adjustment piece so that the position of the supporting portion can be displaced back and forth with respect to the base portion. It can be an adjusting hinge. In the invention of claim 6, the pivot portion is provided with a small diameter portion in which a round hole is bored in the shaft core of the bottomed cylindrical main body, and an internal thread portion having a diameter larger than the small diameter portion is provided above the small diameter portion. A sleeve, a substantially L-shaped door mounting member, a pivot shaft in which a screw portion, an intermediate shaft, and a tip shaft are successively connected in a small diameter and an adjustment groove is provided in the screw portion, and the female screw portion is cylindrical and has a side surface. And a lock screw provided with an adjusting groove or an adjusting piece. The one side of the door mounting member is fixed to the small diameter portion side of the sleeve, and the other side of the door mounting member is a door. The pivot shaft is fixed to upper and lower corners, a pivot shaft is inserted into the female screw portion, the screw portion is screw-adjusted, and a lock screw screwed to the female screw portion is used as a rotation stopper so that the pivot shaft can be displaced vertically. 1-5
The gear adjusting hinge according to any one of the above.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is an exploded perspective view of each component of a gear adjusting hinge according to an example of the present invention. FIG. 2 is a diagram showing each component of the gear part of the gear adjusting hinge of FIG. 1. FIG. 3 is a view showing the assembled state of each component of the gear adjustment hinge of FIG. 1. FIG. 4 is a view showing how the gear adjustment hinge of FIG. 3 is attached to a door and a frame. Figure 5
[Fig. 4] is a schematic plan view illustrating adjustment by a gear portion of the gear adjustment hinge of Fig. 3. FIG. 6 is a schematic side view for explaining the adjustment by the support portion and the base portion of the gear adjustment hinge of FIG. FIG. 7 is a perspective view showing a door and a frame body to which the gear adjusting hinge of the present invention is attached. The positional relationship of each component will be described in the state of use as a hinged door shown in FIG. 7, and the side on which the door moves will be the outer side, and the opposite side will be the inner side. To do. In FIG. 1, a gear adjustment hinge 1 of an example of the present invention used below a door includes a gear portion 2, a support portion 3, a base portion 4, and a pivot portion 5. Here, the base part 4 is an optional component. Gear adjustment hinge 10 used above the door
(Details are not shown), the components of the gear adjusting hinge 1 are simply arranged upside down, and detailed description thereof is omitted. The gear unit 2 has an adjusting gear 21, an eccentric gear 22, an intermediate gear 23, and stoppers 24 and 25, which will be described with reference to FIG. The adjusting gear 21 has a flange 21 at the upper end.
b, teeth 21a of the middle boss, and step 21c of the lower end
And are integrally formed coaxially, and an adjustment groove 21d into which a driver, a jig or the like can be inserted is provided in the shaft core portion. Instead of the adjustment groove 21d, a polygonal adjustment piece protruding slightly upward may be provided, and the adjustment can be made with a wrench, a spanner, or the like. In the eccentric gear 22, the flange 22b at the upper end, the teeth 22a of the intermediate boss, and the step 22c at the lower end are coaxially and integrally formed, and the tip end shaft 53c of the pivot shaft 53, which will be described later, is attached to the shaft core. A slidable circular eccentric hole 22d is formed. The intermediate gear 23 includes the adjusting gear 21 and the eccentric gear 22.
The teeth 21a, 22a, and 23a that can be engaged with and the teeth 23a taken in the same module and the recess 23
b. The stopper 24 is a ring-shaped body having a round hole that can be fitted into the step portion 21 c, and the stopper 25 is the step portion 2.
2c is a ring-shaped body with a round hole that can be fitted into it and is made of hard plastic or metal.

The supporting portion 3 includes a horizontal portion 31 having a substantially rectangular plate shape,
It has a substantially rectangular plate-shaped vertical portion 32 which is erected at one end portion (right rear in the example of FIG. 1) of the horizontal portion 31, and a fixture 33. The horizontal portion 31 is housed in a state in which the teeth 22a, 23a, and 21a are engaged in this order from the left and right center portion (front end in the example of FIG. 1) of the other end, and arc-shaped holes 31d and 31 that can be loosely fitted.
A substantially gourd-shaped deformed hole in which c and 31b are continuously formed is bored, and the vertical portion 32 has a vertically elongated oval hole 32a at the upper and lower central portions.
Horizontally long rectangular grooves 32b and 32b, which are slightly separated from each other in the vertical direction, and horizontally long oval holes 32c and 32c at the upper and lower ends are formed. The fixing tool 33 is a pair of, for example, head bolts that are inserted into the upper and lower oval holes 32c and can be fixed to the circular holes 41c of the base portion 41 of the base portion 4 described later. The base portion 4 is a base portion 41.
It has an eccentric cam 42, a fastener 43, and a cover 44. The base portion 41 has a front-rear width slightly wider than the vertical portion 32 by 2y and is a substantially rectangular plate-shaped substrate 41 capable of covering the vertical portion 32.
The three-sided end except for the lower surface of d is surrounded by a small flange 41f, a central circular hole 41a, laterally elongated rectangular protrusions 41b and 41b slightly apart from each other vertically, and upper and lower circular holes 41c and 41b.
c, fixing holes 41e and 41e with seats at diagonally right and left positions of the rectangular protrusions 41b and 41b, and small flanges 4 on the left and right side surfaces.
Horizontally rectangular stop grooves 41g are provided at four locations on the top, bottom, left, and right of 1f. The eccentric cam 42 has the disk 42a and the circular rotation shaft 42b protruding with the shaft center eccentric to the back surface (the right side in the example of FIG. 1) of the disk 42a and the rotation shaft 42b of the disk 42a. Adjustment groove 42 similar to the groove 21d
c or an adjusting piece is provided, and the rotation shaft 42b has a circular hole 41a.
It can be fitted to be rotatable and non-spoutable, and forms a frame cam by the disc 42a and the oval hole 32a.
When the rotating shaft 42b is rotated through the base 41, the base 41 can be moved back and forth and adjusted. The fixing tool 43 is the fixing hole 4 of the base 41.
They are a pair of normal head bolts for inserting into 1e and 41e and fixing to a frame. The cover 44 has a substantially rectangular plate shape and has projecting pieces 44a that can be fitted into the respective stop grooves 41g of the base 41 and project from both side edges, and a small notch 44b is provided on the lower edge to assemble the cover 44 to the base 41. At this time, the board 32 can be dropped into the gap between the flat surface portion 31 and the vertical portion 32 so that the board 32 can be firmly housed and held in the space surrounded by the small flange 41f at the three ends and the board 41d. Although the cover 44 is not essential, it is preferable to provide the cover 44 in terms of aesthetics and measures against dust.

The pivot portion 5 has a door mounting member 51, a sleeve 52, a pivot shaft 53, a lock screw 54, a cap 55, and a fastener 56. Pivot part 5
Is not limited to this example, and various other types can be used.
The door mounting member 51 is a substantially L-shaped plate member, and the sleeve 5 is provided on one side.
(2) A round hole 51a into which the lower end can be inserted and a plurality (three in this example) of fixing holes 51b with lower surface seats which are scattered on the other piece are formed. The door attachment material 51 is not limited to a plate material, and may be a block shape, a rod shape, or a different shape according to the door portion to be attached. The sleeve 52 is a cylindrical main body 52a with a bottom.
And a small diameter portion 52c having a round hole formed in the shaft center of the lower end surface of the main body 52a, and a female screw portion 52b having a larger diameter than the small diameter portion 52c provided above the main body 52a. A fitting portion 52d that allows the sleeve 52 to be fixedly erected on the door mounting material 51 by fitting the round hole 51a of the material 51 by welding or the like, and a cap 55 that is fitted slightly outward from the fitting portion 52d in the outer peripheral direction. It has a possible groove 52e. The sleeve 52 and the door mounting member 51 may be integrally formed and erected instead of being fixed separately. The pivot shaft 53 is continuously connected to the screw portion 53a, the intermediate shaft 53b, and the tip shaft 53c from the top in order of decreasing diameter, and an adjusting groove 53d similar to the adjusting groove 21d is provided on the upper end surface of the screw portion 53a. Here, the screw part 5
Reference numeral 3a is a male screw that can be screwed into the female screw portion 52b.
3b and the small diameter portion 52c of the sleeve 52 are slidable, and the tip shaft 53c is sized so as to be slidable with the eccentric hole 22d of the eccentric gear 22. The lock screw 54 has a columnar shape and is provided with an adjustment groove 54b or an adjustment piece similar to the adjustment groove 21d in the shaft core portion, and a male screw portion 54a that can be screwed into the female screw portion 52b on the side surface. The cap 55 has a cavity that can be covered from above when the assembly of the other members of the pivot part 5 is completed, and the groove 5 of the sleeve 52 is provided at the lower end of the cavity.
A small protrusion 55a that can be fitted to 2e is provided. The cap 55 is not essential, but it is preferable to provide it from the viewpoint of aesthetics and measures against dust.

Next, the assembly of the gear adjusting hinge 1 will be sequentially described. First, as a preparation, the gear portion 2 is mounted on the support portion 3. The horizontal part 31 of the support part 3 is housed in the arc-shaped holes 31d, 31c, 31b which can be loosely fitted in the substantially gourd-shaped deformed hole in the order of teeth 22a, 23a and 21a from the upper front side in this order. 31 The stepped portion 21c protruding from the lower surface and the stopper 24 are fitted, the stepped portion 22c and the stopper 25 are fitted and caulked, and the adjustment gear 21 and the eccentric gear 22 are fixed so as not to be pulled out by welding or the like. , The upper surface of the horizontal portion 31 and the flanges 21b and 22b, and the lower surface of the horizontal portion 31 and the stopper 2
4, 25 are slidable. At this time, the intermediate gear 23
Is held by the flanges 21b and 22b and the stoppers 24 and 25, and the rotation of the adjusting gear 21 can be smoothly transmitted to the eccentric gear 22 via the intermediate gear 23 by the meshing of the teeth 22a, 23a and 21a. It Assembly of the pivot part 5 will be described with reference to FIG. 3 as well. The lower end of the sleeve 52 is fitted into the round hole 51a of the door mounting member 51, and the sleeve 5 is caulked.
2 is fixed to the door mounting member 51. The pivot shaft 53 is inserted into the female screw portion 52b of the sleeve 52 from above to form the female screw portion 52b.
The threaded portion 53a is screwed into and the tip shaft 53c is projected from the lower end of the sleeve 52 as shown in FIGS. 3 (a) and 3 (c). Then, the lock screw 54 is screwed onto the female screw portion 52b from above, and the pivot shaft 53 placed below is pressed to stop the rotation. After the assembly of the pivot part 5 is completed, referring also to FIGS. 4 and 7, a notch is provided at the lower right corner of the door A in conformity with the outer periphery of the part where the substantially L-shaped fixing holes 51b of the door mounting member 51 are scattered. The door mounting member 51 is placed in this cutout so that the round hole 51a portion projects, and the fixing tool 56 is inserted into the fixing hole 51b and fixed to the door A. The base portion 4 is fixed to the frame body B ₁ . Referring also to FIGS. 4 and 7, a notch is formed in the lower left corner of the frame body B _{1 so} as to match the outer circumference of the base 41, and the rectangular protrusion 41b of the base 41 is placed in this notch on the left open side. The fixing tool 43 is inserted into the fixing hole 41e and fixed to the frame body B ₁ . The support part 3 is attached to the base part 4. The rectangular protrusions 41b of the base 41 are fitted into the rectangular grooves 32b of the vertical portion 32, and the circular holes 4
1a and the elliptical hole 32a are combined and the circular rotary shaft 42b of the eccentric cam 42 is inserted into the circular hole 41a from the left side and the rotary shaft 42b can be swung into the circular hole 41a by caulking the protruding end on the right side and the like. The disc 42a can be rotatably mounted along the elliptical hole 32a by immovably fitting it, and the eccentric cam 42, which will be described later, adjusts the position of the supporting portion 3 with respect to the base portion 4. The fixing tool 33 is inserted and fixed to each circular hole 41c. After the final adjustment, the cover 44 is usually fitted with the projecting pieces 44a in the respective stop grooves 41g to cover them. Although each of the above explanations has been made on the gear adjusting hinge 1 used below the door, the gear adjusting hinge 10 used above the door is merely arranged such that the upper and lower sides of the respective constituent elements are turned upside down. 3 from the bottom, the tip shaft 53c of the pivot shaft 53 is inserted upward, and the threaded portion 53a is screwed into the female threaded portion 52b. Unlike FIG. 3A and FIG. Leave it in one state. Since the other components are assembled in the same manner, detailed description will be omitted.

[0010] After the completion of preparation gear adjustment hinge 1 for the door downward as a combined direction and a lower left corner of the lower right corner and the frame B ₁ of the door A, as shown in FIG. 7 (a), The door A is hung in the space between the frames B _{1 to} B ₄ , and at that time, as shown in FIG.
As shown in (b), the tip shaft 53c of the pivot shaft 53 projecting from the lower end of the sleeve 52 is inserted into the eccentric hole 22d of the eccentric gear 22 with its axis aligned, and the tip shaft 53c is slid with the eccentric hole 22d. Set to be movable. After the above hanging of the door A, the gear adjusting hinge 10 for the upper door is arranged so that the upper right corner of the door A and the upper left corner of the frame B ₁ face each other, and the upper end of the sleeve 52 and the surface. The upward tip shaft 53c in one state is moved upward by the rotation of the screw portion 53a, fitted in the downward eccentric hole 22d and set so as to be slidable, and the lock screw 54 is screwed into the female screw portion 52b from below. The pivot shaft 53 placed above is pressed and used as a rotation stop. The shaft center position of the eccentric hole 22d here is set so that the gear adjusting hinges 1 and 10 are substantially on the same vertical line, and the upper and lower pivot shafts 53 integrated with the door A to be opened and closed are fixed to the frame side. Two
By sliding through the eccentric hole 22d, the eccentric hole 22d can be smoothly rotated about the axis as shown in FIG. 7 (b).

First, as shown in FIG. 5, the door A and the frame B are formed by the eccentric gears 22 of the gear adjusting hinges 1 and 10 by the gear portion 2.
The left and right adjustment before and after the mounting position of the ₁ will be described.
FIG. 5 shows the eccentric gear 22, the adjusting gear 21, and the intermediate gear 22 in which the teeth 22a, 23a, and 21a are engaged in this order from the upper front side, which are loosely fitted in the substantially gourd-shaped deformed hole of the horizontal portion 31 of the support portion 3. The shaft center position of the eccentric hole 22d is adjusted by 23. This adjustment is performed in the open position shown in FIG. 7B in a retracted state in which the upper side of the adjustment gear 21 is not shielded by the door mounting member 51, and a driver, a jig, etc. is inserted into the adjustment groove 21d of the adjustment gear 21 from above. This is easily possible by rotating the adjusting gear 21 and rotating the eccentric gear 22 via the intermediate gear 23. In this case, the axial center position of the eccentric hole 22d with respect to the center position of the tooth 22a of the eccentric gear 22 is x toward the rear side in FIG. 5 (a), x toward the left side in FIG. 5 (b), and toward the front side in FIG. 5 (c). x, in FIG. 5D, a state in which x is displaced to the right is obtained. In addition, as an intermediate state of each displacement state, FIG.
Diameter 2x with respect to the center position of the tooth 22a shown by the chain line in (a)
It is possible to adjust the front, rear, left and right within the range of the adjustment arc, and the front, rear, left and right can be adjusted step by step while the door A is suspended, and the adjustment operation can be performed by one person from the outside, which is excellent in usability.

Next, as shown in FIG. 6, the gear adjusting hinge 1,
The adjustment of the attachment positions of the door A and the frame body B ₁ by the eccentric cam 42 before and after will be described. Eccentric cam 4 described above
Insert the screwdriver, jig, etc. into the adjustment groove 42c of 2
By rotating 2a along the elliptical hole 32a, the support portion 3 is moved back and forth with respect to the base portion 4 fixed to the frame body B ₁ to adjust the mounting position. By using the front-back width that is wider than the vertical portion 32 by 2y, in FIG.
In FIG. 6A, a state of being displaced to the rear side by 2y, a state of being displaced to the front side in FIG. 6C, and a state of being displaced to the front side by y in FIG. After the adjustment by the eccentric cam 42 is completed, each fixing tool 33 is inserted into each elliptical hole 32c and fixed to each circular hole 41c,
The cover 44 is fitted and covered. The adjustment by the eccentric cam 42, in combination with the adjustment by the eccentric gear 22, enables a wider range of front, rear, left, and right adjustments continuously. Further, as shown in FIGS. 3A and 3C, the vertical adjustment of the attachment position of the door A and the frame body B ₁ by the pivot shaft 53 of the gear adjustment hinges 1 and 10 will be described. The lock screw 54 is removed and the screw portion 53a screwed to the female screw portion 52b is rotated to move the pivot shaft 53 upward or downward to adjust the vertical direction. After the adjustment is completed, the female screw portion 52b is attached to the male screw portion 54a.
Are screwed together to hold down the pivot shaft 53 to prevent rotation, and the cap 55 covers the small projection by fitting it into the concave groove 52e of the sleeve 52. By adjusting each part as described above, front, rear, left and right and up and down of the mounting position of the door A and the frame B ₁ can be adjusted by one person from the outside without steps, and the same constituent elements are compatible with each other in the upper and lower parts to reduce the number of parts. You can

Next, a modified example of the gear adjusting hinge of the present invention will be described. Gear adjustment hinges 1 and 10 described in detail above
Although the respective sections adjustments are possible lateral and vertical adjustments back and forth, if you simplest, frame B ₁ abolished the base portion 4
It is also within the scope of the present invention that the eccentric gear 22 is used to adjust the front, rear, left and right by directly fixing the support and the support portion 3, but the provision of the base portion 4 further adds the front and rear adjustment by the eccentric cam 42. This is preferable because the adjustment range can be widened. The pivot part 5 is not limited to the one in this example, and may be any one having a pivot shaft that can move up and down in the sleeve.
Various other types can be used. Although the intermediate gear 23 of the gear unit 2 may be eliminated and the adjusting gear 21 and the eccentric gear 22 may be directly meshed with each other, it is preferable to interpose the intermediate gear 23 because the size and thickness of each gear can be compactly stored. . Although not shown, another modification of the gear unit 2 will be described. The adjustment gear of this modification has coaxially and integrally formed with each tooth in the boss portion in the middle of the small diameter flange at the upper end and the large diameter flange at the lower end, and the adjustment groove or adjustment piece is formed in the shaft core. It is provided. The eccentric gear is coaxially integrally formed with each tooth on a boss portion in the middle of a small-diameter flange at the upper end and a large-diameter flange at the lower end, and the tip shaft 5 of the pivot shaft 53 is formed at the shaft core.
A circular eccentric hole 3d is slidable. The outer diameters of the adjusting gear and the eccentric gear are smaller than those of the small diameter and large diameter flanges, respectively. The intermediate gear has teeth which are taken in the same module and which can mesh with the adjusting gear and the eccentric gear, and a recess in the vertical shaft core. The stopper is a plate-like body of a size that does not bite out by overlapping with the flat surface portion 31 having a round hole with a bottom through which the large-diameter flanges of the adjusting gear and the eccentric gear can slide. , 25 may have a circular shape having two round holes with a bottom. The tooth width of each gear is the same as that of the adjusting gear and the eccentric gear, and only the intermediate gear is made narrower. The support part is the same as the support part 3, and three arcuate holes that can be loosely fitted and accommodated while the teeth are meshed in this order from the front end side of the horizontal part to the eccentric gear, the intermediate gear, and the adjustment gear. The formed substantially gourd-shaped irregular shape hole is bored. To mount the gear part on the support part, the eccentric gear, the intermediate gear and the adjusting gear are stored in this order from the upper front side in the substantially gourd-shaped variant hole of the horizontal part, and each large diameter flange protruding from the lower surface of the horizontal part. Is fitted in a round hole with a bottom of the stopper so that the intermediate gear and the adjustment gear can be slid, and the upper surface of the stopper and the lower surface of the horizontal portion are fixed by welding, adhesion, bolting or the like so that the stopper cannot be extracted. At this time, the intermediate gear is sandwiched and held between the large-diameter flange and the small-diameter flange, and the rotation of the adjustment gear can be smoothly transmitted to the eccentric gear via the intermediate gear due to the meshing of the teeth.

[0014]

The gear adjusting hinge of the present invention has the same constituent elements used in the upper and lower directions and is compatible with each other, and the front, rear, left and right and upper and lower adjustments of the mounting position with respect to the door and the frame can be performed without steps.
It is excellent in usability because it can be adjusted by one person from the outside.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of each component of a gear adjustment hinge according to an example of the present invention.

2A and 2B show constituent elements of a gear portion of the gear adjusting hinge of FIG. 1, and are (a) a plan view of the adjusting gear, (b) an AA sectional view of the adjusting gear, (c) a plan view of an eccentric gear, and (d). Eccentric gear BB
FIG.

3 is a cross-sectional view taken along the axis of the gear unit in the assembled state of each component of the gear adjustment hinge of FIG. 1, (a) a side view of the whole, (b) a side view excluding the pivot part, (c). It is a side perspective view of a pivot part.

FIG. 4 is a plan view (a), a front view (b) and a side view (c) showing a state where the gear adjustment hinge in the assembled state of FIG. 3 (a) is attached to a door and a frame.

FIG. 5 is a schematic plan view for explaining the adjustment by the gear portion of the gear adjustment hinge in the assembled state of FIG.
The positions are (b) leftward, (c) frontward, and (d) rightward.

6A and 6B are schematic side views for explaining the adjustment by the support portion and the base portion of the gear adjustment hinge in the assembled state of FIG. 3, in which (a) rearward, (b) intermediate, (c) frontward, and (d) intermediate. At each position.

FIG. 7 is a perspective view showing a door and a frame body to which a gear adjusting hinge according to an example of the present invention is attached, showing (a) a closed door and (b) an opened door.

[Explanation of symbols]

1, 10 Gear adjustment hinge 2 Gear portion 21 Adjustment gear 22 Eccentric gear 23 Intermediate gears 21a, 22a, 23a Teeth 21b, 22b Flange 21c, 22c Step portion 22d Eccentric hole 3 Support portion 31 Horizontal portion 32 Vertical portion 31b, 31c, 31d Arc-shaped hole 32a 32c Oval hole 32b Square groove 4 Base portion 42 Eccentric cams 41a, 41c, 51a Round hole 41b Square protrusion 42a Disk 42b Rotating shaft 5 Pivot portion 51 Door mounting material 52 Sleeve 53 Pivot shaft 54 Lock screw 52b Female screw portion 53a threaded portion 53b intermediate shaft 53c tip axis A door _B 1 .about.B ₄ frame

Claims (6)

[Claims] 1. A pivot hinge mounted on a door and a frame body, comprising: (a) a pivot portion having a pivot shaft that can move up and down in a sleeve provided upright on a door mounting member; and (b) a horizontal portion. (C) A support portion having a vertical portion which is erected at one end of the horizontal portion, and c) an eccentric gear and an adjusting gear which are housed in the horizontal portion from the other end and are interlockable with each other, and the eccentric gear has a circular shape. Eccentric hole is provided, and the adjustment gear is provided with a gear portion provided with an adjustment groove or an adjustment piece, and d) the pivot portions are opposed to each other, and the door attachment member is fixed to the upper and lower corners of the door. Then, the support portions are opposed to each other, the vertical portions are fixed to the upper and lower corner portions of the frame body, and the tip end shaft of the pivot shaft is slidably inserted into the eccentric hole to enable opening and closing of the door, and the adjustment is performed. The adjustment gear and the eccentric gear are sequentially rotated from the groove or the adjustment piece to rotate the pivot shaft. A gear adjustment hinge characterized in that the core can be displaced back and forth and left and right. 2. An intermediate gear is interposed between the eccentric gear and the adjusting gear, and the eccentric gear, the intermediate gear, and the adjusting gear are housed in the horizontal portion while meshing in this order from the other end side, and the adjusting groove or the adjusting piece is inserted. The gear adjustment hinge according to claim 1, wherein the adjustment gear, the intermediate gear, and the eccentric gear are sequentially rotatable. 3. An eccentric gear and an adjusting gear, wherein an upper or lower end flange, an intermediate boss tooth and a lower or upper end step portion are coaxially and integrally formed, and an eccentric gear is provided in a horizontal portion from the other end side. ,
The intermediate gear and the adjusting gear are housed in a substantially gourd-shaped variant hole in which three arcuate holes which can be loosely fitted while the teeth are meshed are successively formed, and are contacted with the upper or lower surface of the horizontal portion. The eccentric gear and the adjusting gear are held so as not to be extracted and rotatable by the respective flanges and the fasteners fixed to the step portion projecting below or above the horizontal portion, and the intermediate gear is provided with the flanges and the fasteners. The gear adjustment hinge according to claim 2, wherein the hinge is held by the gear adjustment hinge. 4. The eccentric gear and the adjusting gear are configured such that a large-diameter flange at a lower or upper end portion, teeth of an intermediate boss portion, and a small-diameter flange at an upper or lower end portion are coaxially and integrally formed, and a horizontal portion from the other end side. An eccentric gear, an intermediate gear, and an adjusting gear are housed in a substantially gourd-shaped variant hole in which three arcuate holes that can be loosely fitted while the teeth are meshed are successively formed in this order, and protrude from the bottom or top of the horizontal portion. The eccentric gear and the adjusting gear are held so that they cannot be pulled out and are rotatable by fixing a stopper having a round hole with a bottom in which each of the large-diameter flanges is slidable and the lower or upper surface of the horizontal portion, and the intermediate gear. The gear adjustment hinge according to claim 2, wherein is held between the flanges. 5. The vertical portion of the supporting portion is provided with a vertically elongated circular hole at the upper and lower central portions, a horizontal rectangular groove at the upper and lower sides slightly apart from the vertically elongated circular hole, and horizontally elongated circular holes at the upper and lower ends. B) A base portion is formed by an eccentric cam and a plate-shaped substrate that can cover the vertical portion having a width slightly wider than the vertical portion, and a circular hole is formed in the central portion of the substrate and is slightly separated from the circular hole. Vertical rectangular projections and circular holes at the upper and lower ends are provided, and c) the base parts are fixed to one opposite corner of the frame body, the vertical parts are overlapped on the base parts, and the central part of the substrate is a circular hole. A vertical oblong hole in the vertical portion, a horizontal rectangular protrusion of the substrate and a horizontal rectangular groove vertical in the vertical portion, upper and lower end circular holes of the substrate and upper and lower end horizontal oblong holes of the vertical portion. D) The eccentric cam is a disc and a circular rotation shaft protruding with an eccentric shaft center on the back face of the disc and an adjustment groove or adjustment. And a rotating shaft which is fitted in a circular hole in the central portion of the substrate so as to be rotatable and non-protruding, and forms a frame cam by the disc and the vertically elongated oblong hole in the vertical portion. The gear adjustment hinge according to any one of claims 1 to 4, wherein the disc is rotated from the adjustment groove or the adjustment piece so that the support portion can be displaced forward and backward with respect to the base portion. 6. The pivot portion comprises a sleeve having a small diameter portion having a round hole formed in the shaft core of a bottomed cylindrical body, and a female screw portion having a diameter larger than the small diameter portion provided above the small diameter portion. A V-shaped door mounting member, a pivot shaft in which a screw portion, an intermediate shaft and a tip shaft are successively connected in a small diameter and an adjusting groove is provided in the screw portion, and a cylindrical side surface capable of being screwed onto the female screw portion. A male screw portion and a lock screw provided with an adjusting groove or adjusting piece are provided, and the small diameter portion side of the sleeve is fixed to one piece of the door mounting material, and the other piece of the door mounting material is fixed to upper and lower corners of the door. The pivot shaft is inserted into the female screw portion, the screw portion is screw-adjusted to be locked by a lock screw that is screwed into the female screw portion, and the pivot shaft can be vertically displaced. The gear adjustment hinge according to any one of 1 to 5.