CN220599471U - Lockset and cabinet body - Google Patents

Abstract

The utility model belongs to the technical field of locks, and relates to a lock and a cabinet body. The lockset comprises a telescopic lock bolt and a hollow limit cylinder; the telescopic lock bolt is movably arranged in the hollow limit cylinder; the telescopic lock bolt can extend and retract in the hollow limit cylinder after being driven; the inner wall surface of the hollow limiting cylinder is provided with a plurality of protruding structures, and a clearance groove extending along the axial direction of the hollow limiting cylinder is formed between every two adjacent protruding structures. The inner wall surface of the hollow limit cylinder is provided with the protruding structure, and due to the protruding structure, a clearance groove is formed between the surface of the telescopic lock bolt and the inner wall surface of the hollow limit cylinder, and the clearance groove can provide enough space, so that external foreign matters such as granular sand and the like can not easily block the telescopic lock bolt after entering the hollow limit cylinder from the opening of the telescopic lock bolt, and the lock can normally work.

Description

Lockset and cabinet body

Technical Field

The utility model relates to the technical field of locks, in particular to a lock and a cabinet body.

Background

The lockset is applied to various scenes and is used for improving safety. At the beginning of development, locks are generally mechanical locks which are unlocked by mechanical keys, but various intelligent electric locks are gradually developed along with the development of scientific technology, so that the use of the locks by people is greatly facilitated.

The current electric lock realizes the locking through scalable latch bolt, and external foreign matter such as granular grit etc. get into the back with scalable latch bolt card from the trompil of scalable latch bolt department easily, lead to the tool to lock unable normal work.

Disclosure of Invention

The utility model aims to provide a lockset and a cabinet body, and an external foreign matter can be easily blocked by a telescopic lock bolt after entering from an opening.

The utility model discloses a lockset, which comprises a telescopic lock bolt and a hollow limit cylinder; the telescopic lock bolt is movably arranged in the hollow limit cylinder; the telescopic lock bolt can extend and retract in the hollow limit cylinder after being driven; the inner wall surface of the hollow limiting cylinder is provided with a plurality of protruding structures, and a clearance groove extending along the axial direction of the hollow limiting cylinder is formed between every two adjacent protruding structures.

Optionally, the lock further comprises a driving assembly for driving the retractable latch to extend and retract in the hollow spacing cylinder.

Optionally, the protruding structure is a plurality of lugs or a convex strip extending along the axial direction of the hollow limit cylinder.

Optionally, the height of the raised line from the inner wall of the hollow limit cylinder gradually increases along the extending direction of the telescopic lock bolt.

Optionally, the hollow limiting cylinder comprises an outer cylinder and an inner mounting cylinder, the outer cylinder is arranged in the mounting seat, the inner mounting cylinder is arranged in the outer cylinder, the telescopic lock bolt is arranged in the inner mounting cylinder, and the protruding structure is arranged on the inner wall surface of the inner mounting cylinder.

Optionally, a flange is provided at an end of the inner mounting cylinder, and the flange abuts against an end face of the outer cylinder when the inner mounting cylinder is mounted on the outer cylinder.

Optionally, two opposite sides of the hollow limiting cylinder are provided with openings extending along the axial direction, and two opposite sides of the telescopic lock bolt are provided with convex columns corresponding to the positions of the openings, and the convex columns move in the openings along with the movement of the telescopic lock bolt.

Optionally, the driving assembly comprises an elastic piece, a driving piece and a rotatable curved cam; the driving piece is connected with the rotatable curved cam and is used for driving the rotatable curved cam to rotate; one end surface of the rotatable curved cam is set to be a high-low curved surface, and the high-low curved surface comprises a low-area curved surface distributed around the rotation center of the rotatable curved cam and a high-area curved surface capable of being transited to the low-area curved surface; one end of the telescopic lock bolt is movably arranged on the high-low curved surface, and the elastic piece is used for pushing the telescopic lock bolt to prop against the high-low curved surface; when the cam with a rotatable curved surface rotates, the telescopic lock bolt is propped against the high-low curved surface to move.

Optionally, the one end that the scalable lock plunger can stretch out the spacing section of thick bamboo of cavity is provided with the annular flange that radially stretches out, and the external diameter of annular flange is greater than the internal diameter that the spacing section of thick bamboo of cavity is close to annular flange one end, and when the scalable lock plunger was retracted unblock, annular flange covered in the one end of the spacing section of thick bamboo of cavity.

Optionally, the mounting seat is provided with an opening corresponding to the position of the hollow limiting cylinder, and the opening is provided with a matching convex edge corresponding to the annular flange.

The utility model also discloses a cabinet body, which comprises a cabinet door, a cabinet main body and the lockset, wherein the cabinet door is rotatably arranged on the cabinet main body; the lockset is arranged on the cabinet main body or the cabinet door and is used for locking the cabinet door.

The telescopic lock bolt is arranged in the hollow limit cylinder, and can extend or retract after being driven. The inner wall surface of the hollow limit cylinder is provided with the protruding structure, and due to the protruding structure, a clearance groove is formed between the surface of the telescopic lock bolt and the inner wall surface of the hollow limit cylinder, and the clearance groove can provide enough space, so that external foreign matters such as granular sand and the like can not easily block the telescopic lock bolt after entering the hollow limit cylinder from the telescopic lock bolt, and the lock can normally work.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a schematic view of a lock according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the lock according to the embodiment of the present utility model;

FIG. 3 is a schematic view of a mounting base according to an embodiment of the present utility model;

FIG. 4 is an enlarged partial view of portion A of FIG. 3;

FIG. 5 is another schematic view of a mounting base according to an embodiment of the present utility model;

FIG. 6 is an enlarged partial view of portion B of FIG. 5;

FIG. 7 is a schematic view of a mount and a retractable latch according to an embodiment of the present utility model;

FIG. 8 is an enlarged partial view of portion C of FIG. 7;

FIG. 9 is an exploded view of the outer cartridge and the inner mounting cartridge of the present utility model;

FIG. 10 is another exploded view of the lock according to the embodiment of the present utility model;

FIG. 11 is another schematic view of a lock according to an embodiment of the present utility model.

1, a mounting seat; 11. a hollow limit cylinder; 111. an outer cylinder; 112. an inner mounting cylinder; 112a, a bump structure; 112a1, ribs; 112b, flanging; 113. an opening; 12. opening holes; 13. matching with the convex edge; 2. a drive assembly; 21. an elastic member; 22. a driving member; 23. a rotatable curved cam; 231. a high-low curved surface; 231a, low area curvature; 231b, high area curved surface; 3. a retractable lock bolt; 31. an overhanging end; 32. a convex column; 33. a screw; 331. an annular flange; 4. a clearance groove.

Detailed Description

It is to be understood that the terminology used herein, the specific structural and functional details disclosed are merely representative for the purpose of describing particular embodiments, but that the utility model may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

The utility model is described in detail below with reference to the attached drawings and alternative embodiments.

As shown in fig. 1 to 11, as an embodiment of the present utility model, a lock is disclosed, including a retractable latch 3 and a hollow stopper cylinder 11; the telescopic lock bolt 3 is movably arranged in the hollow limit cylinder 11; the telescopic lock bolt 3 can extend and retract in the hollow limit cylinder 11 after being driven; the inner wall surface of the hollow limiting cylinder 11 is provided with a plurality of protruding structures 112a, and a clearance groove 4 extending along the axial direction of the hollow limiting cylinder 11 is formed between the adjacent protruding structures 112 a.

The telescopic lock bolt 3 is arranged in the hollow limit cylinder 11, and the telescopic lock bolt 3 can extend or retract after being driven. The inner wall surface of the hollow limit cylinder 11 is provided with a plurality of protruding structures 112a, and due to the protruding structures 112a, as shown in fig. 4, 6 and 8, a clearance groove 4 is formed between the surface of the telescopic lock bolt 3 and the inner wall surface of the hollow limit cylinder 11, and the clearance groove 4 can provide enough space, so that external foreign matters such as granular sand and stone and the like cannot easily clamp the telescopic lock bolt 3 after entering the hollow limit cylinder 11 from the telescopic lock bolt 3, and normal operation of the lockset is ensured.

Specifically, as shown in fig. 1 to 2, the lock further includes a mounting seat 1, the hollow limiting cylinder 11 is disposed in the mounting seat 1, and the telescopic lock bolt 3 is mounted in the hollow limiting cylinder 11, so that the telescopic lock bolt 3 is firmly mounted, and the locking and unlocking are stable in telescopic operation.

Specifically, the protruding structure is provided in plurality. With respect to the specific embodiment of the protrusion structure 112a, the present utility model is not particularly limited as long as the clearance groove 4 is formed between the surface of the retractable latch 3 and the inner wall surface of the hollow stopper cylinder 11 when the retractable latch 3 is mounted in the hollow stopper cylinder 11, so that external foreign matters entering into the hollow stopper cylinder 11 are not easy to catch the retractable latch 3. In one embodiment, as shown in fig. 2 and 4, the protruding structures 112a are a plurality of protruding strips 112a1 extending along the axial direction of the hollow limiting cylinder 11 and distributed at intervals. After the retractable lock bolt 3 is mounted in the hollow limit cylinder 11, the raised strips 112a1 form a clearance groove 4 between the surface of the retractable lock bolt 3 and the inner wall surface of the hollow limit cylinder 11, so that external foreign matters entering the hollow limit cylinder 11 are not easy to clamp the retractable lock bolt 3. The plurality of convex strips 112a1 are distributed on the inner wall surface of the hollow limit cylinder 11 at intervals and axially extend, so that the installation and the extension of the telescopic lock bolt 3 can be more stable. Specifically, the height of the convex strip 112a1 from the inner wall of the hollow stopper cylinder 11 gradually increases in the direction in which the retractable latch 3 protrudes. Thus, when the external foreign matter, such as sand, is clamped between the raised line 112a1 and the telescopic lock bolt 3, and is located at the lower end, the telescopic lock bolt 3 is retracted and unlocked to drive the external foreign matter to move upwards, because the height of the raised line 112a1 gradually becomes smaller from the direction close to the overhanging end 31 of the telescopic lock bolt 3 to the direction far away from the overhanging end 31 of the telescopic lock bolt 3, the external foreign matter moves to the upper end of the larger gap between the raised line 112a1 and the telescopic lock bolt 3, the space is larger, the external foreign matter easily falls out from the hollow limiting cylinder 11, and the external foreign matter can be effectively prevented from being clamped in the gap between the raised line 112a1 and the telescopic lock bolt 3.

In another embodiment, the protrusion structure 112a is a plurality of protrusions, and the protrusions can form the clearance groove 4 between the surface of the retractable lock plunger 3 and the inner wall surface of the hollow limit cylinder 11, so that the external foreign matters entering the hollow limit cylinder 11 are not easy to catch the retractable lock plunger 3. The lug can be fixedly arranged on the inner wall surface of the hollow limiting cylinder 11 in a welding mode or the like, a threaded hole can be formed in the hollow limiting cylinder, the lug is arranged on the hollow limiting cylinder from the outer side of the hollow limiting cylinder in a threaded mounting mode, and the lug extends into the hollow limiting cylinder through the threaded hole.

Specifically, as shown in fig. 2 and 9, the hollow stopper cylinder 11 includes an outer cylinder 111 and an inner mounting cylinder 112, the outer cylinder 111 is provided in the mount 1, the inner mounting cylinder 112 is mounted in the outer cylinder 111, the retractable latch 3 is mounted in the inner mounting cylinder 112, and the projection structure 112a is provided on the inner wall surface of the inner mounting cylinder 112. The outer tube 111 may be integrally molded with the mount 1, or may be fixed to the mount 1 by welding or fastening means such as screws after being molded alone. On this basis, the inner mounting cylinder 112 is further provided, and the projection structure 112a is provided on the inner wall surface of the inner mounting cylinder 112 for facilitating respective processing.

Specifically, as shown in fig. 9, the end of the inner mounting tube 112 is provided with a burring, and the burring abuts against the end face of the outer tube 11 when the inner mounting tube 112 is mounted to the outer tube 111. In this scheme, set up the turn-ups in the tip of interior installation section of thick bamboo 112 and can carry out spacingly to the installation of interior installation section of thick bamboo 112, interior installation section of thick bamboo 112 equipment is convenient, and the installation is stable. The outer cylinder 111 and the inner mounting cylinder 112 may be further fixed together by interference fit, or may be further fixedly connected together by fasteners such as screws.

Specifically, as shown in fig. 2 and 4, the hollow stopper cylinder 11 is provided with openings 113 extending in the axial direction on opposite sides thereof, and the telescopic lock plunger 3 is provided with bosses 32 on opposite sides thereof corresponding to the positions of the openings 113, the bosses 32 moving in the openings 113 with the movement of the telescopic lock plunger. The opening 113 is matched with the convex column 32, when the telescopic lock bolt 3 stretches, the telescopic lock bolt 3 can be further limited, the telescopic lock bolt 3 can be installed and stretches more stably, and the service stability of the lockset is improved. Specifically, the openings 113 are disposed on opposite sides of the hollow stopper tube 1111, i.e., 180 ° between the two openings 113. The length of the opening 113 extending in the axial direction may be set according to practical requirements. The studs 32 are arranged on opposite sides of the telescopic lock 3, i.e. at an angle of 180 ° between two studs 32. The two opposite sides of the hollow limit cylinder 11 and the telescopic lock bolt 3 are matched and limited through the opening 113 and the convex column 32, so that the stability of the telescopic lock bolt 3 during installation and telescopic operation can be remarkably improved. Two lugs 32 may be provided in an upper position in the middle of the telescopic lock 3. More specifically, the outer tube 111 and the inner mounting tube 112 are provided with openings 113 extending in the axial direction on opposite sides thereof, and the openings 113 of the outer tube 111 and the inner mounting tube 112 correspond to each other after the inner mounting tube 112 is mounted in the outer tube 111.

Specifically, as shown in fig. 10, the lock further comprises a driving assembly 2, wherein the driving assembly 2 is used for driving the telescopic lock bolt 3 to extend and retract in the hollow limit cylinder 11. The driving assembly 2 comprises an elastic piece 21, a driving piece 22 and a rotatable curved cam 23; the driving piece 22 is connected with the rotatable curved cam 23 and is used for driving the rotatable curved cam 23 to rotate; one end surface of the rotatable curved cam 23 is provided as a high-low curved surface 231, and the high-low curved surface 231 includes a low-area curved surface 231a distributed around the rotation center of the rotatable curved cam 23 and a high-area curved surface 231b transitionable to the low-area curved surface; one end of the telescopic lock bolt 3 is movably arranged on the high-low curved surface 231, and the elastic piece 21 is used for pushing the telescopic lock bolt 3 to prop against the high-low curved surface 231; when the rotatable curved cam 23 rotates, the retractable latch 3 moves against the high-low curved surface 231.

Specifically, the elastic member 21 is a spring, the spring is sleeved on the hollow limiting cylinder 11, and the convex column 32 abuts against the top of the spring. More specifically, the spring is fitted around the outer tube 111. When the lock is locked, the driving member 22 drives the rotatable curved cam 23 to rotate, the high-area curved surface 231b of the high-low curved surface 231 pushes the telescopic lock bolt 3 to extend outwards for locking, when the lock is unlocked, the driving member 22 continues to drive the rotatable curved cam 23, and when the rotatable curved cam 23 rotates to the low-area curved surface 231a opposite to the telescopic lock bolt 3, the elastic member 21 drives the telescopic lock bolt 3 to retract for unlocking. The driving member 22 may be a motor or a mechanical lock cylinder, and the motor and the mechanical lock cylinder may be manufactured by conventional techniques, which will not be described herein.

Specifically, as shown in fig. 7 and 10, an annular flange 331 extending radially is disposed at an end of the extendable latch 3 that extends out of the hollow limiting cylinder 11, an outer diameter of the annular flange 331 is larger than an inner diameter of the hollow limiting cylinder 11 near to the end of the annular flange 331, and when the extendable latch 3 is retracted and unlocked, the annular flange 331 covers an end of the hollow limiting cylinder 11. The annular flange 331 can seal the hollow limiting cylinder 11 to a certain extent after unlocking, and the entry of external foreign matters is avoided. Specifically, the annular flange 331 may be integrally formed around the overhanging end 31 of the telescopic lock bolt 3, or as shown in fig. 2, 7 and 10, a screw 33 may be screwed onto the overhanging end 31 of the telescopic lock bolt 3, and the edge of the screw 33 protrudes from the overhanging end 31 of the telescopic lock bolt 3 to form the annular flange 331. Further, the mounting seat 1 is provided with an opening 12 corresponding to the position of the hollow limiting cylinder 11, the opening 12 is provided with a matching convex edge 13 corresponding to the annular flange 331, and after the telescopic lock plunger 3 is contracted and unlocked, the annular flange 331 abuts against the matching convex edge 13

The utility model also discloses a cabinet body, which comprises a cabinet door, a cabinet main body and the lockset, wherein the cabinet door is rotatably arranged on the cabinet main body; the lockset is arranged on the cabinet main body or the cabinet door and is used for locking the cabinet door. The cabinet body can be an unmanned cabinet. In one embodiment, the lock is mounted at the top of the cabinet, a lock hole is formed in a cabinet door of the cabinet, and the telescopic lock bolt 3 is inserted into the lock hole after extending out to lock.

The above description of the utility model in connection with specific alternative embodiments is further detailed and it is not intended that the utility model be limited to the specific embodiments disclosed. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (11)

1. The lockset is characterized by comprising a telescopic lock bolt and a hollow limit cylinder; the telescopic lock bolt is movably arranged in the hollow limit cylinder; the telescopic lock bolt can extend and retract in the hollow limit cylinder after being driven; the inner wall surface of the hollow limiting cylinder is provided with a plurality of protruding structures, and clearance grooves extending along the axial direction of the hollow limiting cylinder are formed between adjacent protruding structures.

2. The lock of claim 1, further comprising a drive assembly for driving the retractable latch to extend and retract within the hollow barrel.

3. The lock of claim 1, wherein the protruding structure is a plurality of bumps or ribs extending axially along the hollow stopper cylinder.

4. A lock according to claim 3, wherein the height of the rib from the inner wall of the hollow barrel increases gradually in the direction in which the retractable latch extends.

5. The lock according to any one of claims 1 to 4, further comprising a mounting base, wherein the hollow spacing cylinder comprises an outer cylinder and an inner mounting cylinder, the outer cylinder being disposed in the mounting base, the inner mounting cylinder being mounted in the outer cylinder, the retractable latch being mounted in the inner mounting cylinder, the protruding structure being disposed on an inner wall surface of the inner mounting cylinder.

6. The lock according to claim 5, wherein an end of the inner mounting cylinder is provided with a flange which abuts against an end face of the outer cylinder when the inner mounting cylinder is mounted to the outer cylinder.

7. The lock according to claim 5, wherein the hollow stopper cylinder is provided with axially extending openings on opposite sides thereof, and the retractable latch is provided with a boss on opposite sides thereof corresponding to the positions of the openings, the boss being movable in the openings in response to movement of the retractable latch.

8. The lock of claim 2, wherein the drive assembly comprises an elastic member, a drive member, a rotatable curved cam; the driving piece is connected with the rotatable curved cam and is used for driving the rotatable curved cam to rotate; one end face of the rotatable curved cam is set to be a high-low curved surface, and the high-low curved surface comprises a low-area curved surface distributed around the rotation center of the rotatable curved cam and a high-area curved surface capable of being transited to the low-area curved surface; one end of the telescopic lock bolt is movably arranged on the high-low curved surface, and the elastic piece is used for pushing the telescopic lock bolt to prop against the high-low curved surface; when the rotatable curved cam rotates, the telescopic lock bolt is propped against the high-low curved surface to move.

9. The lock of claim 5, wherein an end of the retractable lock bolt that can extend out of the hollow limit cylinder is provided with a radially extending annular flange, an outer diameter of the annular flange is greater than an inner diameter of the hollow limit cylinder near one end of the annular flange, and the annular flange covers one end of the hollow limit cylinder when the retractable lock bolt is retracted and unlocked.

10. The lock of claim 9, wherein the mounting base is provided with an opening corresponding to the position of the hollow limiting cylinder, and a matching flange is arranged at the opening corresponding to the annular flange.

11. A cabinet comprising a cabinet door, a cabinet body and a lock according to any one of claims 1 to 10, said cabinet door being rotatably mounted on said cabinet body; the lockset is arranged on the cabinet main body or the cabinet door and is used for locking the cabinet door.