CN219034347U

CN219034347U - World hook conversion equipment of lock body

Info

Publication number: CN219034347U
Application number: CN202320042780.0U
Authority: CN
Inventors: 殷雄雄; 陈涛
Original assignee: Zhejiang Jiahe Lock Industry Co ltd
Current assignee: Zhejiang Jiahe Lock Industry Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-16
Anticipated expiration: 2033-01-04

Abstract

The utility model provides a top-bottom hook conversion device of a lock body, and belongs to the technical field of locks. The anti-theft door solves the problems that the size of an existing small lock body is not matched with the size of a lock hole on the anti-theft door. The utility model comprises a top-bottom hook arranged on a small lock body and an expansion hook connected to the top-bottom hook, wherein the top-bottom hook comprises a hook body and a first hook arm arranged at the end part of the hook body, one end of the expansion hook is provided with a second hook arm matched with the large lock body in size, the other end of the expansion hook is provided with a connecting arm connected with the first hook arm in a matched manner, and the conversion device also comprises a fastener used for fixing the first hook arm and the connecting arm. The utility model has the advantages that the expansion of the top-bottom hook can be realized through the cooperation of the expansion hook and the top-bottom hook, so as to adapt to the large lock body of the burglarproof door and improve the suitability of the standard lock body.

Description

World hook conversion equipment of lock body

Technical Field

The utility model belongs to the technical field of locks, and relates to a top-bottom hook conversion device of a lock body.

Background

Some burglary-resisting doors can be internally provided with a top-bottom rod, and a door lock of the burglary-resisting door is provided with a top-bottom hook which can be matched with the top-bottom rod to lock a door frame. In order to facilitate the use, the world hook and the lock tongue in the prior art are usually linked, namely, the lock tongue and the world hook are locked and released simultaneously under one unlocking action or one locking action.

The electronic lock in the market is marked with a lock body which is a conventional small lock body (24 x 240 lock bar size), but many burglary-resisting doors are large lock bodies (40 x 388 lock bar size), the largest difference between the large lock body and the small lock body is different except for the lock bar, and on the other hand, the closing size of the top and bottom hooks is different.

The user can face such a situation now that the own door of the user is the burglary-resisting door, and the user wants to change the lock on the burglary-resisting door into the electronic lock, but the little lock body size of electronic lock does not match with the lockhole size on the burglary-resisting door, consequently can only change whole burglary-resisting door totally, and the replacement cost is too high.

Disclosure of Invention

The present utility model is directed to solving the above-mentioned problems of the prior lock body, and provides a switching device capable of expanding the size of the hook of the small lock body into the size of the hook of the large lock body without changing the structure of the lock body.

The closing size of the top and bottom hooks can be changed.

The aim of the utility model can be achieved by the following technical scheme:

the top-bottom hook conversion device of the lock body is characterized by comprising a top-bottom hook arranged on the small lock body and an expansion hook connected to the top-bottom hook, wherein the top-bottom hook comprises a hook body and a first hook arm arranged at the end part of the hook body, one end of the expansion hook is provided with a second hook arm matched with the large lock body in size, the other end of the expansion hook is provided with a connecting arm matched with the first hook arm, the conversion device also comprises a fastener used for fixing the first hook arm and the connecting arm, the connecting arm is provided with a first clamping part and a second clamping part used for assembling the fastener, an assembling space is reserved between the first clamping part and the second clamping part, the top-bottom hook is clamped in the assembling space, the first clamping part and the second clamping part are arranged at two sides of the first hook arm, and two ends of the fastener are respectively clamped in the first clamping part and the second clamping part and used for pressing the first hook arm onto the connecting arm.

In the above-mentioned top-bottom hook switching device of the lock body, the fastener includes a mounting section corresponding to the first clamping portion and a clamping section corresponding to the second clamping portion.

In the above-mentioned world hook conversion equipment of lock body, the fastener be integrated into one piece structure, the joint section is the U type, the U type opening both ends of joint section outwards slope respectively buckle and form the installation section, the tip of two installation sections outwards buckle respectively and perpendicular to joint section, joint section and two installation section concatenation form the Y type.

In the above-mentioned world hook switching device of lock body, first clamping portion include two turn-ups one of perpendicular to linking arm, two turn-ups are parallel to each other and the interval arrangement, open on the turn-ups one and have along the mounting hole that a length direction runs through of hook arm, the tip of installation section is inserted and is established in this mounting hole.

In the above-mentioned world hook switching device of lock body, the second clamping portion include two turn-ups two perpendicular to linking arm, open on the turn-ups two and have the location bayonet socket, the opening orientation of the location bayonet socket on two turn-ups two is relative, the joint section inserts and establishes in this location bayonet socket.

In the above-mentioned top-bottom hook switching device of a lock body, the inner side wall of the first flange is provided with a limiting bayonet, the first hook arm is inserted into the limiting bayonet, one side edge of the first hook arm is abutted against the inner side wall of the limiting bayonet, and the other side edge is abutted against the second flange.

In the above-mentioned top-bottom hook switching device of the lock body, the connecting arm is further provided with a stop block, the stop block is perpendicular to the connecting arm, and the top surface of the first hook arm abuts against the stop block.

In the above-mentioned world hook switching device of lock body, the expansion hook, the hook arm II, the linking arm, the turn-ups I, the turn-ups II, the dog are integrated into one piece structure.

Compared with the prior art, the utility model has the following beneficial effects:

1. the expansion of the world hook can be realized through the cooperation of the expansion hook and the world hook, so as to adapt to the large lock body of the burglary-resisting door and improve the adaptability of the standard lock body;

2. the connecting arm of the expansion hook is matched with the fastener, so that the connection reliability of the top-bottom hook and the expansion hook can be effectively improved, and the operation reliability of the top-bottom hook after expansion and extension can be ensured; the fastener has simple and reasonable structure and convenient assembly;

3. the design of the flanging I, the flanging II and the stop block on the connecting arm can limit the relative displacement of the heaven and earth hook and the expansion hook in different directions, and ensures the connection stability and linkage synchronism of the heaven and earth hook and the expansion hook.

Drawings

FIG. 1 is a schematic general construction of the present utility model;

FIG. 2 is a schematic view of the installation of the fastener of the present utility model;

FIG. 3 is a schematic view of the structure of the expansion hook of the present utility model;

fig. 4 is a schematic structural view of the fastener of the present utility model.

In the figure, 1, a small lock body; 2. a top-bottom hook; 3. an expansion hook; 4. a hook body; 5. a first hook arm; 6. a second hook arm; 7. a connecting arm; 8. a fastener; 9. a first flanging is carried out; 10. flanging II; 11. a mounting section; 12. a clamping section; 13. a mounting hole; 14. positioning bayonets; 15. limiting bayonet; 16. and a stop block.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, the space-to-ground hook switching device of the lock body according to the present utility model comprises a space-to-ground hook 2 arranged on a small lock body 1, and an extension hook 3 connected to the space-to-ground hook 2, wherein the space-to-ground hook 2 comprises a hook body 4, and a first hook arm 5 arranged at the end of the hook body 4, one end of the extension hook 3 is provided with a second hook arm 6 matched with the large lock body in size, and the other end of the extension hook 3 is provided with a connecting arm 7 in matched connection with the first hook arm 5.

The conversion device further comprises a fastener 8 for fixing the first hook arm 5 and the connecting arm 7, a first clamping part and a second clamping part for assembling the fastener 8 are arranged on the connecting arm 7, an assembling space is reserved between the first clamping part and the second clamping part, the top and bottom hooks 2 are clamped in the assembling space, the first clamping part and the second clamping part are arranged on two sides of the first hook arm 5, and two ends of the fastener 8 are respectively clamped in the first clamping part and the second clamping part and used for pressing the first hook arm 5 on the connecting arm 7.

As shown in fig. 4, the fastener 8 includes a mounting section 11 corresponding to the first clamping portion and a clamping section 12 corresponding to the second clamping portion. The fastener 8 is of an integrated structure, the clamping section 12 is U-shaped, two ends of a U-shaped opening of the clamping section 12 are respectively bent outwards in an inclined mode to form the mounting section 11, the end portions of the two mounting sections 11 are respectively bent outwards and perpendicular to the clamping section 12, and the clamping section 12 and the two mounting sections 11 are spliced to form a Y shape.

As shown in fig. 3, the first clamping portion includes two flanges 9 perpendicular to the connecting arm 7, the two flanges 9 are parallel to each other and arranged at intervals, a mounting hole 13 penetrating along the length direction of the hook arm 5 is formed in the flange 9, and the end of the mounting section 11 is inserted into the mounting hole 13. The inner side wall of the first flanging 9 is provided with a limiting bayonet 15, the first hook arm 5 is inserted into the limiting bayonet 15, one side edge of the first hook arm 5 abuts against the inner side wall of the limiting bayonet 15, and the other side edge abuts against the second flanging 10.

The second clamping part comprises two flanges (10) perpendicular to the connecting arm (7), the flanges (10) are provided with positioning bayonets (14), the openings of the positioning bayonets (14) on the two flanges (10) face opposite, and the clamping section (12) is inserted into the positioning bayonets (14).

The connecting arm 7 is also provided with a stop 16, the stop 16 is arranged perpendicular to the connecting arm 7, and the top surface of the first hook arm 5 abuts against the stop 16. The expansion hook 3, the hook arm II 6, the connecting arm 7, the flanging I9, the flanging II 10 and the stop block 16 are of an integrated structure.

The positioning bayonet 14 on the second flanging 10 is matched with the fastener 8, so that the first hook arm 5 is pressed on the connecting arm 7 by the fastener 8, and the displacement of the first hook arm 5 in the thickness direction is limited; the inner side wall and the outer side wall of the first hook arm 5 are limited between the limiting bayonet 15 of the first flanging 9 and the second flanging 10, so that the displacement of the first hook arm 5 in the width direction is limited, the synchronism of the top-bottom hook 2 and the expansion hook 3 is further improved, and the acting force of the top-bottom hook 2 can be reliably transmitted to the expansion hook 3.

It should be understood that in the claims, the specification of the present utility model, all "including … …" should be interpreted as open-ended meaning that it is equivalent to "at least … …", and not as closed-ended meaning that it should not be interpreted to "include … …" only.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a world hook conversion equipment of lock body, its characterized in that, including setting up world hook (2) on little lock body (1), connect extension hook (3) on world hook (2), world hook (2) include hook body (4), set up in hook arm one (5) of hook body (4) tip, the one end of extension hook (3) be equipped with big lock body size matched hook arm two (6), its other end is equipped with hook arm one (5) cooperation connection link arm (7), conversion equipment still include fastener (8) that are used for fixed hook arm one (5) and link arm (7), be equipped with on link arm (7) and be used for assembling fastener (8) first clamping portion and second clamping portion, have an assembly space between first clamping portion and the second clamping portion, world hook (2) card is established in this assembly space, first clamping portion and second clamping portion are established in the both sides of hook arm one (5), fastener (8) both ends are established in first clamping portion and second clamping portion (7) respectively and are used for compressing tightly on hook (5).

2. The device for converting the top and bottom hooks of the lock body according to claim 1, wherein the fastener (8) comprises a mounting section (11) correspondingly matched with the first clamping part and a clamping section (12) correspondingly matched with the second clamping part.

3. The top-bottom hook switching device of the lock body according to claim 2, wherein the fastener (8) is of an integrally formed structure, the clamping section (12) is of a U shape, two ends of a U-shaped opening of the clamping section (12) are respectively bent outwards in an inclined manner to form the mounting section (11), the end parts of the two mounting sections (11) are respectively bent outwards and perpendicular to the clamping section (12), and the clamping section (12) and the two mounting sections (11) are spliced to form a Y shape.

4. The device for converting the top and bottom hooks of the lock body according to claim 2, wherein the first clamping part comprises two flanges (9) perpendicular to the connecting arm (7), the two flanges (9) are parallel to each other and are arranged at intervals, the flanges (9) are provided with mounting holes (13) penetrating along the length direction of the hook arm (5), and the end parts of the mounting sections (11) are inserted into the mounting holes (13).

5. The device for converting the top and bottom hooks of the lock body according to claim 4, wherein the second clamping part comprises two flanges (10) perpendicular to the connecting arm (7), the flanges (10) are provided with positioning bayonets (14), the openings of the positioning bayonets (14) on the two flanges (10) face opposite, and the clamping section (12) is inserted into the positioning bayonets (14).

6. The top-bottom hook switching device of a lock body according to claim 5, wherein a limiting bayonet (15) is formed on the inner side wall of the first flanging (9), the first hook arm (5) is inserted into the limiting bayonet (15), one side edge of the first hook arm (5) abuts against the inner side wall of the limiting bayonet (15), and the other side edge abuts against the second flanging (10).

7. The top-bottom hook switching device of a lock body according to claim 5, wherein a stop (16) is further provided on the connecting arm (7), the stop (16) is perpendicular to the connecting arm (7), and the top surface of the first hook arm (5) abuts against the stop (16).

8. The device for converting the top and bottom hooks of the lock body according to claim 7, wherein the expansion hook (3), the second hook arm (6), the connecting arm (7), the first flanging (9), the second flanging (10) and the stop block (16) are integrated.