CN201276905Y - Pipe shaped lock - Google Patents

Abstract

A tubular lock, comprising: an inner lock body, an outer lock body and a latch; the inner lock body is installed on the inner side of a door panel, and an inner handle directly or indirectly drives a driving element to rotate, and the driving element The drive mechanism of the lock bolt can be driven to withdraw the bolt head of the lock bolt; the outer lock body is installed on the outside of the door panel, and the transmission element of a lock group directly drives the drive mechanism of the lock bolt to withdraw the lock bolt head. The outer lock body of the tubular lock provided by the utility model is fixed because the outer handle cannot open the door panel, so only the correct key can be inserted into the lock group to open the door panel. The utility model can be applied to channel locks such as warehouses.

Description

a pipe lock

technical field

The utility model relates to a tubular lock which can be applied to special channel locks (such as warehouses, etc.). When the outer lock body is to open the door panel, it can only drive the transmission element of the lock group with a key to directly drive the drive mechanism of the lock bolt. to open the door.

Background technique

The conventional general tubular lock structure (shown in Fig. 1) generally includes an outer lock body 11, an inner lock body 12 and a latch 2; the outer lock body 11 includes: an outer outer disc 112, an outer handle Group 111 and an outside transmission mechanism 113; Described overcoat disk 112 is disc-shaped body, and an outside transmission mechanism 113 is installed in the center of disk body; The inner bottom of the body has two axially arranged support nuts 114; the inner lock body 12 includes an inner sleeve 122, an inner handle set 121 and an inner transmission mechanism (not shown); the inner sleeve 122 , also in the shape of a disc, an inner transmission mechanism (not shown) is installed in the center of the disc body, and the inner transmission mechanism has a hole (not shown in the figure), which can be inserted into the driving element 115 of the outer transmission mechanism 113 The inner disc 122 has two screw holes 124 aligned with the support nuts 114, so as to provide two screws 33 to pass through the screw holes 124 from the inside and screw with the support nuts 114 of the outer disc 112 respectively. Closed and locked, the inner disc 122 and the outer disc 112 are fixed on both sides of the door panel 3.

Because the door panel 3 is for the convenience of installing the aforementioned lock body 1, a cylindrical lock body installation hole 32 is drilled in advance on the door panel 3, and a smaller longitudinal lock bolt installation hole 31 is drilled on the door panel 3 side, and the lock The latch installation hole 31 can be used for the latch 2 to be loaded from the side of the door panel 3, and two screws 25 pass through the panel 22 of the latch 2 to fix the latch 2 on the door panel 3, and the latch 2 has two support nuts for installation. Hole 23 and have a driving element mounting hole 24 between two support nut mounting holes 23, can be provided with two support nuts 114 of described outer casing 112 and the driving element 115 of outside transmission mechanism 113 by door panel 3 outsides to pass through respectively, then From the inner side of the door panel 3, insert the hole 125 of the inner transmission mechanism 123 of the inner sleeve 122 into the drive element 115, align the two screw holes 124 with the support nut 114 respectively, and thread and lock the support nut 114 with the screw 33 Tighten, make the inner lock body 12 and the outer lock body 11 firmly on both sides of the door panel 3, so that the rotating outer handle set 111 or the inner handle set 121 can link the driving element 115 to drive the latch head 21 of the latch 2 produce a withdrawal effect. Since the overall combination of the aforementioned tubular lock structures is a common structure, but due to the differences in places and environments, there are many requirements for channel locks with different functions.

Utility model content

In view of this, the main purpose of this utility model is to provide a tubular lock that can be applied to special passages (such as warehouses, etc.). The drive mechanism that actuates the latch to open the door panel.

For achieving the above object, the solution of the present utility model is:

A tubular lock, comprising: an inner lock body, an outer lock body and a latch; the inner lock body is installed on the inner side of a door panel, and an inner handle directly or indirectly drives a driving element to rotate, and the driving element The drive mechanism that can drive the lock bolt withdraws the lock bolt head of the lock bolt; the outer lock body is installed on the outside of the door panel, and the transmission element of a lock group directly drives the lock bolt drive mechanism to withdraw the lock bolt head.

The transmission element is a bar with an inline cross section. The driving mechanism of the latch has a first cam and a second cam, and the second cam has an inline through hole for the transmission element to pass through.

The transmission element is a rod, and the driving mechanism of the lock bolt has a first cam and a second cam, and the second cam has a through hole matched with the cross-sectional shape of the transmission element for the transmission element to pass through.

The driving element is a tubular structure with a square cross section and a through hole in the center. The first cam of the driving mechanism of the latch has a through hole for the driving element to pass through.

The transmission element can pass through the through hole of the drive element.

The outer lock body has an outer handle, which is fixed and cannot be rotated.

The transmission element has two ends, one end is connected and mounted on the lock group, and the other end forms a hollow square bar. The driving mechanism of the lock bolt has a first cam and a second cam, and the second cam has a A square through hole through which components pass.

The first cam and the second cam have through holes of the same shape.

The transmission element is integrally formed.

After adopting the above scheme, the inner lock body of the tubular lock provided by the utility model has no button and lock group, and the door panel can be opened only by turning the inner handle, while the outer lock body cannot be opened by the outer handle because the outer handle is fixed. To open the door panel, the door panel can only be opened only by inserting the correct key into the lock group, directly driving the transmission element to drive the second cam, and driving the driving mechanism to retract the bolt head of the lockbolt. The utility model can be applied to channel locks such as warehouses.

Description of drawings

Fig. 1 is a partial perspective exploded view of the structure of a conventional tubular lock.

Fig. 2 is a three-dimensional exploded view showing various components of the lock body of the present invention.

FIG. 3 is a three-dimensional exploded view showing the inner lock body, the outer lock body and the latch of the present invention.

Fig. 4 is a perspective view showing the latch of the present invention.

Fig. 5 is a perspective view of the utility model showing another direction of the latch.

Fig. 6 is a sectional view showing the lock body of the present invention.

Description of main component symbols

Conventional structure

1 lock body 11 outer lock body

111 Outer handle set 112 Outer plate

113 Outer transmission mechanism 114 Support nut

115 Driving element 12 Inside lock body

121 Inner handle set 122 Inner sleeve

124 screw holes 2 latches

21 Latch head 22 Panel

23 Mounting hole for backing nut 24 Mounting hole for driving element

25 screws 3 door panels

31 Lock bolt installation hole 32 Lock body installation hole

33 screws

Preferred embodiment of the utility model

4 inner lock body 41 inner handle

42 inner tubular element 43 inner sleeve

44 Torque recovery mechanism 441 hole

45 drive element 451 through hole

5 Outer lock body 51 Outer handle

52 Lock group 521 Transmission element

53 Outer Tubular Element 54 Outer Disc

6 latch 61 drive mechanism

611 1st cam 612 2nd cam

613 Square through hole 614 Slotted through hole

62 latch head 7 door panel

Detailed ways

Please refer to Fig. 2 to Fig. 6, the following is a preferred specific embodiment of the present utility model. A tubular lock provided by the present utility model includes: an inner lock body 4, an outer lock body 5 and a latch 6.

As shown in Fig. 4 and Fig. 5, the latch 6 has a latch head 62, and the latch head 62 is biased by an elastic member (not shown in the figure), so that the latch head 62 can partially protrude outward. , the latch head 62 is connected to a driving mechanism 61, the driving mechanism 61 has a first cam 611 and a second cam 612, the first cam 611 has a square through hole 613, and the second cam 612 has a The font-shaped through hole 614, the first cam 611 and the second cam 612 can respectively drive the driving mechanism 61 to pull the latch head 62 to retract.

As shown in Figure 2, Figure 3 and Figure 6, the inner lock body 4 is installed on the inner side of the door panel 7, and the inner lock body 4 includes: an inner handle 41, an inner tubular element 42, an inner sleeve 43, a Torque recovery mechanism 44 and a driving element 45 and so on. One of the inner handles 41 can be linked with an inner tubular element 42 to drive the torque recovery mechanism 44, which can produce relative rotation to the inner sleeve 43 fixed on the door panel 7; Tubular structure, one end is passed through the hole 441 of the torque recovery mechanism 44, and the other end is passed through the square through hole 613 of the first cam 611 of the latch 6 on the side of the door panel 7, so that when an external force is applied to the inner handle 41 , can indirectly drive the inner tubular element 42 and the torque recovery mechanism 44 to drive the driving element 45, and then drive the first cam 611 of the latch 6, withdraw the latch head 62 to reach the state of opening the door.

The outer lock body 5 is installed on the outer side of the door panel 7, and the outer lock body 5 includes: an outer handle 51, a lock set 52, an outer tubular element 53, an outer casing 54, a transmission element 521, and the like. The outer handle 51 and the connected outer tubular element 53 are fixed on the outer casing 54, and the outer casing 54 is also fixed on the door panel 7, so that the outer handle 51 cannot be rotated. A transmission element 521 is a roughly in-line rod in cross section, one end is connected to a lock group 52 installed on the outer handle 51, and the other end is pierced through the in-line through hole 614 of the second cam 612 of the latch 6, and then pierced The through hole 451 of the driving element 45 achieves a stabilizing effect.

When wanting to open the door, a correct key (not shown) must be inserted into the lock group 52, and the transmission element 521 connected to the drive lock group 52 directly drives the second cam 612 of the lock bolt 6 to drive the driving mechanism 61 to withdraw the lock. The latch head 62 of the latch 6 is used to open the door. Such a lock body can be used for passage locks such as warehouses, where the inner lock body 4 has no buttons and lock groups to open the door panel 7, and only the inner handle 41 needs to be turned. The door panel 7 can be opened, and the outer lock body 5 is fixed because of the outer handle 51, so the outer handle 51 cannot be used to open the door panel 7, so the correct key (not shown) can only be inserted into the lock group 52 to directly drive the transmission. The element 521 drives the second cam 612 to drive the driving mechanism 61 to withdraw the lock head 62 of the lock 6 .

In practice, the transmission element 521 is not limited to the above-mentioned design, that is, the transmission element 521 is a lock group 52 with one end connected to the outer handle 51, and the other end can be modified to have a substantially hollow cross section. The shape of the rod is similar to the shape of the aforementioned driving element 45, and is used to pass through the through hole of the second cam 612 of the latch 6. The through hole can also be modified to have a corresponding shape, similar to the square shape of the aforementioned first cam 611. The shape of the through hole 613 enables the transmission element 521 and the square through hole of the second cam 612 to engage with each other. The transmission element 521 in the foregoing is preferably integrally formed.

From the detailed description of the above-listed preferred embodiments, as well as the appended scope of patent application and accompanying drawings, the purposes, features and advantages of the present utility model will be more clearly understood.

Claims (9)

1, a kind of cast lock comprises: an inboard lock body, an outside lock body and a lock bolt; This inboard lock body is installed on the inboard of a door-plate, directly or indirectly drives driving element rotation by an Internal handle, and this driving element can drive the driving mechanism of lock bolt and remove the plunger latch head of receiving lock bolt; It is characterized in that:

This outside lock body is installed on the outside of door-plate, and the actuated element that is had by a lock group directly drives the driving mechanism of lock bolt and removes the receipts plunger latch head.

2. a kind of cast lock as claimed in claim 1, it is characterized in that: this actuated element is that a cross section is the rod member of in-line, the driving mechanism of this lock bolt has one first cam and one second cam, and second cam has the in-line through hole that wears for this actuated element.

3. a kind of cast lock as claimed in claim 1, it is characterized in that: this actuated element is a rod member, the driving mechanism of this lock bolt has one first cam and one second cam, and this second cam has the through hole that matches with the actuated element cross sectional shape, wears for this actuated element.

4. a kind of cast lock as claimed in claim 2, it is characterized in that: this driving element is that a cross section is the tubular structure of square shape, and the center has through hole, first cam of the driving mechanism of this lock bolt has the through hole that wears for this driving element.

5. a kind of cast lock as claimed in claim 4, it is characterized in that: this actuated element can wear the through hole of driving element.

6. a kind of cast lock as claimed in claim 1, it is characterized in that: this outside lock body has an outer handle, and this outer handle is fixed and can't rotates.

7. a kind of cast lock as claimed in claim 1, it is characterized in that: this actuated element has two ends, one end is connected and installed in the lock group, the other end forms the square rod member of a hollow, the driving mechanism of this lock bolt has one first cam and one second cam, and this second cam has the square through hole that can supply this actuated element to wear.

8. a kind of cast lock as claimed in claim 7 is characterized in that: this first cam and this second cam have the through hole of identical moulding.

9. a kind of cast lock as claimed in claim 7, it is characterized in that: this actuated element is formed in one.

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