CN210217419U

CN210217419U - Plane lock with double-locking structure

Info

Publication number: CN210217419U
Application number: CN201920881471.6U
Authority: CN
Inventors: Chunliang Yao; 姚春良; Peng Chen; 陈鹏; Weili Hu; 胡伟力
Original assignee: Ningbo Shengjiu Cabinets Lock Co Ltd
Current assignee: Ningbo Shengjiu Technology Co.,Ltd.
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-03-31
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a plane lock with a double locking structure, which comprises a base, a handle, a lock bolt and a locking device, wherein the base is provided with an accommodating cavity, the handle is rotatably arranged in the accommodating cavity, the handle comprises a rotating end and a locking end, and the rotating end is connected with the lock bolt; the locking device comprises a lock shell, a lock cylinder, a shifting fork, a lock tongue and a hooking piece, wherein the hooking piece is used for hooking and connecting with the locking end to form locking; the lock tongue is arranged below the base in a sliding manner; the lock shell is fixedly arranged in the accommodating cavity, the lock cylinder is rotatably arranged in the lock shell, the shifting fork is positioned below the lock cylinder and is connected with the lock cylinder to realize linkage, and the shifting fork comprises a first shifting part and a second shifting part; in the process that the lock cylinder rotates to drive the shifting fork to rotate, the first shifting portion can be linked with the lock tongue to retract inwards to achieve unlocking, and the second shifting portion can be linked with the hooking piece to keep away from the locking end to achieve unlocking. The utility model discloses simple structure has the dual locking structure of set bar and spring bolt for the locking of plane lock is more reliable, and the theftproof effect is better.

Description

Plane lock with double-locking structure

Technical Field

The utility model relates to a mechanical lock technical field, in particular to plane lock with dual locking structure.

Background

The plane lock is generally applied to a cabinet door and comprises a base, a lock bolt and a handle, wherein the base is provided with a handle groove, the handle is rotatably arranged in the handle groove, and a rotating end of the handle is connected with the lock bolt through rotation and drives the lock bolt to rotate so as to realize unlocking or locking operation; the other end of the handle is fixedly connected with a lock cylinder component, and the handle is fixedly arranged in a handle groove of the base through a latch of the lock cylinder component so as to realize the locking of the handle. The plane lock is single in locking structure, only achieves locking of the cabinet door through the lock bolt, and is poor in locking effect and anti-theft effect.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome defect among the above-mentioned prior art, provide a plane lock with dual locking structure, the spring bolt through set bar and locking device carries out the locking to the cabinet door jointly, and dual locking structure has improved locking effect and theftproof effect greatly.

In order to achieve the above object, the present invention provides a planar lock with a dual-locking structure, which comprises a base, a handle, a lock bolt and a locking device, wherein the base has a receiving cavity, the handle is rotatably disposed in the receiving cavity, the handle comprises a rotating end and a locking end, and the rotating end is connected with the lock bolt located below the base through a rotating shaft;

the locking device comprises a lock shell, a lock core, a shifting fork, a lock tongue and a hooking piece, wherein the hooking piece is arranged in the accommodating cavity in a sliding manner and is used for hooking with the locking end to form locking;

the lock shell is fixedly arranged in the accommodating cavity, the lock cylinder is rotatably arranged in the lock shell, the shifting fork is positioned below the lock cylinder and connected with the lock cylinder to realize linkage, and the shifting fork comprises a first shifting part and a second shifting part;

in the process that the lock cylinder is rotated to drive the shifting fork to rotate, the first shifting portion can be linked with the lock tongue to slide inwards and shrink to achieve unlocking, and the second shifting portion can be linked with the hooking piece to keep away from the locking end to achieve unlocking.

Further setting the following steps: the spring bolt is provided with the guide way that is circular-arc structure and arranges, first portion of stirring is arranged in the guide way and can slide along the guide way.

Further setting the following steps: the locking device further comprises a cover plate, the cover plate is fixedly arranged below the base and matched with the base to form an installation part for limiting the directional sliding of the spring bolt, and the spring bolt is installed in the installation part.

Further setting the following steps: the hooking piece comprises a lock hook part and a braking part, and the lock hook part is used for hooking and connecting with the locking end of the handle to realize locking;

the braking part is provided with an arc-shaped guide part matched with the second shifting part, and the second shifting part moves along the guide part to drive the hook locking part to be far away from the locking end to unlock.

Further setting the following steps: the braking part is the frame structure that encloses with shift fork looks adaptation, the braking part cover is established on the shift fork and can slide along the shift fork orientation, the guide part sets up on the rear side border of enclosing the frame.

Further setting the following steps: the locking device further comprises a first spring or a first torsion spring for driving the hooking member close to the locking end of the handle.

Further setting the following steps: the locking device further comprises a second spring or a second torsion spring, and the second spring or the second torsion spring is used for driving the tongue lock to extend outwards.

Further setting the following steps: the locking device further comprises a third torsion spring, and the third torsion spring is arranged between the rotating shaft and the handle and used for driving the handle to be separated from the accommodating cavity.

Further setting the following steps: the handle is provided with a lock catch hole matched with the lock catch.

Compared with the prior art, the utility model has simple structure and convenient operation, and the lock bolt and the lock tongue are matched together to lock the cabinet door, thus the double locking structure greatly improves the locking effect and the anti-theft effect; this device rotates the lock core through the key that corresponds and can drive the shift fork and rotate to first portion of stirring and second stir the portion and can drive the spring bolt respectively and collude and establish a motion, make the spring bolt shrink unblock and collude the unblock of establishing a and handle, then can realize the unblock of set bar through rotating the handle.

Drawings

Fig. 1 is a schematic perspective view of a planar lock with a double locking structure according to the present invention;

FIG. 2 is a schematic view of a vertical cross-section of a planar lock;

FIG. 3 is a schematic view of a split configuration of the planar lock;

FIG. 4 is a perspective view of the hook member;

fig. 5 is a perspective view of the fork.

The following reference numerals are marked thereon in conjunction with the accompanying drawings:

1. a base; 11. an accommodating chamber; 12. locking; 2. a handle; 21. a rotating end; 22. a locking end; 23. a locking hole; 3. a lock bolt; 4. a locking device; 41. a lock case; 42. a lock cylinder; 43. a shifting fork; 431. a first toggle part; 432. a second toggle part; 44. a latch bolt; 441. a guide groove; 45. a hooking part; 451. a latch hook portion; 452. a brake section; 453. a guide part; 46. a cover plate; 47. a first spring; 48. a second torsion spring; 5. a rotating shaft; 6. a third torsion spring.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

The utility model relates to a plane lock with double locking structure is shown in figure 1, including base 1, handle 2, set bar 3 and locking device 4, wherein, this base 1 has and holds the chamber 11, the rotatable setting of handle 2 is in holding the chamber 11, handle 2 includes rotation end 21 and locking end 22, rotation end 21 of handle 2 is connected with set bar 3 that is located the base 1 below through pivot 5, can drive set bar 3 to rotate through rotating handle 2, thereby realize the open, close of set bar 3; the locking device is connected with the locking end 22 of the handle 2 and is used for locking the locking end 22, so that the handle 2 is stably accommodated in the accommodating cavity 11; the locking device 4 comprises a locking tongue 44, and the locking tongue 44 can normally act with the lock bolt 3 to lock the door body.

As shown in fig. 2, 3 and 5, the locking device 4 includes a lock case 41, a lock cylinder 42, a shift fork 43, a hook 45 and a latch 44, the lock case 41 is fixedly installed in the accommodating cavity 11 of the base 1, the lock cylinder 42 is rotatably installed in the lock case 41, the shift fork 43 is located below the lock cylinder 42 and is connected to the lock cylinder 42 for linkage, and the shift fork 43 includes a first toggle portion 431 and a second toggle portion 432; in the process that the lock cylinder 42 drives the shifting fork 43 to rotate, the first toggle part 431 can drive the bolt 44 to slide inwards to realize retraction unlocking, meanwhile, the second toggle part 432 can be linked with the hooking part to be far away from the locking end 22 to realize unlocking of the locking end 22, and at the moment, the handle 2 can be rotated to link the lock bolt 3 to rotate for unlocking.

Further, the locking device 4 further comprises a cover plate 46, the cover plate 46 is fixedly installed below the base 1 and is matched with the base 1 to form an installation part for the bolt 44 to directionally slide, and the bolt 44 is installed in the installation cavity; meanwhile, the lock tongue 44 is provided with a guide groove 441 which is arranged in an arc structure, the first toggle part 431 of the shift fork 43 is arranged in the guide groove 441, and in the process that the lock cylinder 42 drives the shift fork 43 to rotate, the first toggle part 431 slides along the guide groove 441 and forces the lock tongue 44 to slide directionally along the installation cavity under the action of the installation cavity, so that the working stability of the lock tongue 44 is effectively improved; preferably, the locking device 4 further comprises a second spring or torsion spring 48, and the second spring or torsion spring 48 is used for driving the tongue lock to slide outwards and extend the locking.

As shown in fig. 4, the hooking element 45 includes a locking hook portion 451 and a stopper portion 452, the hooking portion is used for hooking with the locking end 22 of the handle 2 to achieve locking, the stopper portion 452 is provided with an arc-shaped guiding portion 453 matched with the second toggle portion 432, and the second toggle portion 432 moves along the guiding portion 453 to drive the locking hook portion 451 to move away from the locking end 22 to achieve unlocking; preferably, the stopper 452 is a frame structure adapted to the shape of the shift fork 43, the stopper 452 is sleeved on the shift fork 43 and can slide along the shift fork 43, and the guide 453 is disposed on a rear side wall of the frame; further preferably, the locking device 4 further comprises a first spring 47, wherein the first spring 47 is connected between the lock housing 41 and the hook 45 in an abutting manner, and is used for driving the hook 45 to move toward the locking end 22 to achieve stable locking.

Further, a third torsion spring 6 is arranged between the rotating end 21 of the handle 2 and the rotating shaft 5, and under the action of the third torsion spring 6, when the hooking part 45 and the locking end 22 are unlocked, the locking end 22 can be automatically ejected out of the accommodating cavity 11 under the action of the third torsion spring 6, so that the rotating operation of the handle 2 is facilitated.

Furthermore, a lock catch 12 is arranged in the accommodating cavity 11 of the base 1, and a lock catch hole 23 matched with the lock catch 12 is arranged on the handle 2.

The above disclosure is only for the embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. The plane lock with the double-locking structure is characterized by comprising a base, a handle, a lock bolt and a locking device, wherein the base is provided with an accommodating cavity, the handle is rotatably arranged in the accommodating cavity, the handle comprises a rotating end and a locking end, and the rotating end is connected with the lock bolt positioned below the base through a rotating shaft;

in the process that the rotating lock cylinder drives the shifting fork to rotate, the first shifting portion can be linked with the lock tongue to retract inwards to achieve unlocking, and the second shifting portion can be linked with the hooking piece to keep away from the locking end to achieve unlocking.

2. The planar lock with the double-locking structure as claimed in claim 1, wherein the locking bolt is provided with a guide groove arranged in a circular arc structure, and the first toggle part is disposed in the guide groove and can slide along the guide groove.

3. The planar lock with the double locking structure as claimed in claim 1 or 2, wherein the locking device further comprises a cover plate fixedly disposed below the base and cooperating with the base to form a mounting portion for limiting the directional sliding of the latch, and the latch is mounted in the mounting portion.

4. The planar lock with the double locking structure as claimed in claim 1, wherein the hooking member comprises a locking hook portion and a braking portion, the locking hook portion is used for hooking with the locking end of the handle to realize locking;

5. The planar lock with the double locking structure as claimed in claim 4, wherein the stopper is a frame structure adapted to the fork, the stopper is sleeved on the fork and can slide along the fork, and the guide is disposed on the rear edge of the frame.

6. A planar lock having a double locking structure as claimed in claim 1, wherein the locking means further comprises a first spring or a first torsion spring for driving the hooking member close to the locking end of the handle.

7. A planar lock with a double locking structure as claimed in claim 1, wherein the locking device further comprises a second spring or a second torsion spring for driving the tongue lock to extend outward.

8. The planar lock with the double locking structure as claimed in claim 1, further comprising a third torsion spring disposed between the rotation shaft and the handle for driving the handle out of the receiving cavity.

9. The planar lock with a double locking structure as claimed in claim 1, wherein the receiving cavity of the base is provided with a locking buckle, and the handle is provided with a locking buckle hole matched with the locking buckle.