Welding-free locking plate fixing structure

By combining the main body of the lock plate guard box and the guard ear of the lock plate guard box, and using threaded connection and rivet gun fixation, the problems of pollution and inconvenience caused by welding in the installation of steel door lock plates are solved, and welding-free lock plate fixation is achieved.

CN223634482UActive Publication Date: 2025-12-05HEBEI JIUAN FIREPROOF DOOR WINDOW MFG GRP
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Patent Information

Application Number
CN202423231904.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-05
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The existing method of installing steel door lock plates requires welding, which leads to pollution and inconvenience in operation.

Method used

It adopts a combination structure of locking plate protective box body, locking plate protective box ear, locking plate body, countersunk screw and rivet nut body, and achieves welding-free installation through threaded connection and rivet gun fixing.

Benefits of technology

It achieves a secure installation of the locking plate without welding, reducing pollution and operational complexity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223634482U_ABST
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Abstract

The utility model discloses a welding-free locking plate fixing structure, which relates to the technical field of locking plate fixing structures and comprises a locking plate protecting box main body, locking plate protecting box protecting lugs are integrally formed on two sides of the top of the locking plate protecting box main body, and a riveting nut main body is fixedly connected inside a riveting nut hole. According to the welding-free locking plate fixing structure, the locking plate protecting box groove, the stretching locking plate fixing groove, the rivet nut hole, the locking plate protecting box body, the locking plate protecting box protecting lug, the locking plate hole, the countersunk head screw and the rivet nut body are arranged, when the welding-free locking plate fixing structure is used, the locking plate protecting box body is placed in the locking plate protecting box groove, and the locking plate protecting box protecting lug is lapped at the stretching locking plate fixing groove; then the rivet nut body is inserted along the lock plate hole, the rivet nut body is fixed and screwed through a rivet gun, the lock plate protection box body is fixed, when the lock plate body is installed, the lock plate body is attached to the surfaces of the lock plate protection box protection lugs, countersunk head screws are driven into the lock plate protection box protection lugs, the welding-free fixing function is achieved, and the problem that the device does not have the welding-free fixing function is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a lock piece fixing structure technical field, concretely is a kind of welding-free lock piece fixing structure. BACKGROUND

[0002] The commonly used installation mode of the lock piece of the steel door is inlaid type, that is, a hole is punched on the surface of the door frame or the door leaf, and the lock piece is completely inlaid into the hole, so that the lock piece panel is flush with the door frame or the door leaf panel to achieve an aesthetic effect. However, this installation mode needs to weld a lock piece lining iron at the corresponding position inside the lock piece hole of the door frame or the door leaf to fix the lock piece. This method needs welding, and the smoke generated during welding will pollute the atmosphere, and the overall operation is relatively troublesome.

[0003] Now, a new type of welding-free lock piece fixing structure is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a welding-free lock piece fixing structure to solve the problem of not having the function of welding-free fixing in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding-free lock piece fixing structure, comprising a lock piece box main body, lock piece box ears are integrally formed on both sides of the top of the lock piece box main body, a lock piece hole is arranged in the inside of the lock piece box ear, a lock piece main body is arranged above the lock piece box main body, countersunk head screws are respectively threadedly connected to both sides of the top of the lock piece main body, a door body is arranged on the inside of the lock piece main body, two groups of lock piece box grooves are arranged at the top of the door body, a stretch lock piece fixing groove is arranged at the top of the lock piece box groove, a pull rivet nut hole is formed at the bottom of the inside of the stretch lock piece fixing groove, and a pull rivet nut main body is fixedly connected to the inside of the pull rivet nut hole.

[0006] Preferably, the lock piece box groove is sunken, three sides are different in height, and one side is open to form a "dustpan" shape, and the opening sides correspond to each other.

[0007] Preferably, the shape and size of the inside of the lock piece box groove are matched with the shape and size of the outside of the lock piece box main body, and the shape and size of the inside of the stretch lock piece fixing groove are matched with the shape and size of the outside of the lock piece main body.

[0008] Preferably, the pull rivet nut main body is symmetrically distributed about the vertical center line of the lock piece main body, and the pull rivet nut main body penetrates the inside of the lock piece hole and extends into the inside of the pull rivet nut hole.

[0009] Preferably, the countersunk head screw penetrates the inside of the lock piece main body and extends into the inside of the pull rivet nut main body, and the threads on the outside of the countersunk head screw and the threads in the inside of the pull rivet nut main body match each other.

[0010] Preferably, the shape and size of the lock piece box body outside and the shape and size of the lock piece box groove inside are matched, the lock piece box body is "groove" shaped, the lock piece box body is open on the side away from the lock piece box ear, and the positions and sizes of the rivet nut hole and the lock piece hole are one-to-one corresponding.

[0011] Compared with the prior art, the welding-free lock piece fixing structure realizes the function of welding-free fixing.

[0012] By being provided with the lock piece box groove, the stretch lock piece fixing groove, the rivet nut hole, the lock piece box body, the lock piece box ear, the lock piece hole, the countersunk screw and the rivet nut body, when in use, the lock piece box body and the lock piece box ear are integrally formed, the lock piece box body is placed in the lock piece box groove, the lock piece box ear is placed at the stretch lock piece fixing groove, then the rivet nut body is inserted along the lock piece hole, and the lock piece box body is fixed by being screwed by the rivet gun, when the lock piece body is installed, the lock piece body is attached to the surface of the lock piece box ear, the surface hole of the lock piece body is aligned with the rivet nut body, the countersunk screw is punched, the countersunk screw is screwed along the rivet nut body, the lock piece body is firmly installed, and since the stretch lock piece fixing groove is a sunken groove, the lock piece body is flush with the surface of the door body, welding is not needed throughout, and the function of welding-free fixing is realized. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view sectional structure schematic view of the utility model;

[0014] Figure 2 It is a door body local front view sectional structure schematic view of the utility model;

[0015] Figure 3 It is a door body local plan view structure schematic view of the utility model;

[0016] Figure 4 It is a lock piece box body plan view structure schematic view of the utility model.

[0017] In the drawing: 1, door body; 2, lock piece box groove; 3, stretch lock piece fixing groove; 4, rivet nut hole; 5, lock piece box body; 6, lock piece box ear; 7, lock piece hole; 8, countersunk screw; 9, rivet nut body; 10, lock piece body. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] Embodiment 1: Please refer to Figures 1-4 The utility model provides a kind of welding-free locking piece fixing structure, including locking piece protective box main body 5, locking piece protective box main body 5 top two sides integrally formed with locking piece protective box lug 6, locking piece protective box lug 6 inside is provided with locking piece hole 7, the top of locking piece protective box main body 5 is provided with locking piece main body 10, the top of locking piece main body 10 two sides is respectively connected with countersunk screw 8, the inside of locking piece main body 10 is provided with door body 1, the top of door body 1 is provided with two groups of locking piece protective box groove 2, the top of locking piece protective box groove 2 is provided with stretch locking piece fixing groove 3, the bottom end of stretch locking piece fixing groove 3 inside is provided with pull rivet nut hole 4, pull rivet nut hole 4 inside is fixedly connected with pull rivet nut main body 9;

[0020] Locking piece protective box groove 2 adopts subsidence type, three-face section difference stretch, one side opening is in the shape of a dustpan, opening side corresponds, the shape size of locking piece protective box groove 2 inside and the shape size of locking piece protective box main body 5 outside are adapted, the shape size of stretch locking piece fixing groove 3 inside and the shape size of locking piece main body 10 outside are adapted, pull rivet nut main body 9 is about the vertical center line of locking piece main body 10 symmetrical distribution, pull rivet nut main body 9 penetrates the inside of locking piece hole 7 and extends into the inside of pull rivet nut hole 4, and it is convenient to fix protective box;

[0021] Countersunk screw 8 penetrates the inside of locking piece main body 10 and extends into the inside of pull rivet nut main body 9, the thread of countersunk screw 8 outside and the thread of pull rivet nut main body 9 inside coincide, the shape size of locking piece protective box main body 5 outside and the shape size of locking piece protective box groove 2 inside are adapted, locking piece protective box main body 5 is in the shape of a groove, one side opening of locking piece protective box main body 5 far from locking piece protective box lug 6, pull rivet nut hole 4, locking piece hole 7 position size one to one correspondence, it is convenient to fix locking piece;

[0022] Specifically, as Figure 1 , Figure 2 , Figure 3 And Figure 4As shown, the lock piece protective box body 5 is placed into the lock piece protective box slot 2, the lock piece protective box lug 6 is placed at the stretch lock piece fixing slot 3, then the pull rivet nut body 9 is inserted along the lock piece hole 7, fixed and screwed by the pull rivet gun, the lock piece protective box body 5 is fixed, when the lock piece body 10 is installed, the lock piece body 10 is attached to the surface of the lock piece protective box lug 6, the surface hole of the lock piece body 10 is aligned with the pull rivet nut body 9, the countersunk screw 8 is punched, the countersunk screw 8 is screwed along the pull rivet nut body 9, and the lock piece body 10 can be firmly installed.

[0023] Working principle: the lock piece protective box body 5 and the lock piece protective box lug 6 are integrally formed, the lock piece protective box body 5 is placed into the lock piece protective box slot 2, the lock piece protective box lug 6 is placed at the stretch lock piece fixing slot 3, then the pull rivet nut body 9 is inserted along the lock piece hole 7, fixed and screwed by the pull rivet gun, the lock piece protective box body 5 is fixed, when the lock piece body 10 is installed, the lock piece body 10 is attached to the surface of the lock piece protective box lug 6, the surface hole of the lock piece body 10 is aligned with the pull rivet nut body 9, the countersunk screw 8 is punched, the countersunk screw 8 is screwed along the pull rivet nut body 9, and the lock piece body 10 can be firmly installed, and because the stretch lock piece fixing slot 3 is a sunken slot, the lock piece body 10 is flush with the surface of the door body 1, and welding is not required throughout.

[0024] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that it can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and therefore all changes coming within the meaning and equivalency range of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A welding-free locking tab fixing structure comprising a locking tab cover box main body (5), characterized in that: The lock piece box body (5) top two sides integral forming has lock piece box ear (6), the inside of lock piece box ear (6) is provided with lock piece hole (7), the top of lock piece box body (5) is provided with lock piece body (10), the top of lock piece body (10) two sides are respectively connected with countersunk screw (8), the inside of lock piece body (10) is provided with door body (1), the top of door body (1) is provided with two groups of lock piece box groove (2), the top of lock piece box groove (2) is provided with stretch lock piece fixed groove (3), the bottom of stretch lock piece fixed groove (3) inside is provided with pull rivet nut hole (4), the inside of pull rivet nut hole (4) is fixedly connected with pull rivet nut body (9).

2. The structure according to claim 1, wherein: The lock piece box groove (2) is sunken, three face difference stretches, one side is open into "dustpan" shape, and the opening side corresponds.

3. The structure according to claim 1, wherein: The shape size of the inside of the lock piece box groove (2) and the shape size of the outside of the lock piece box body (5) are matched, the shape size of the inside of the stretch lock piece fixed groove (3) and the shape size of the outside of the lock piece body (10) are matched.

4. The structure of claim 1, wherein: The pull rivet nut body (9) is symmetrically distributed about the vertical center line of the lock piece body (10), the pull rivet nut body (9) penetrates the inside of the lock piece hole (7) and extends into the inside of the pull rivet nut hole (4).

5. The structure of claim 1, wherein: The countersunk screw (8) penetrates the inside of the lock piece body (10) and extends into the inside of the pull rivet nut body (9), the thread of the outside of the countersunk screw (8) and the thread of the inside of the pull rivet nut body (9) are matched.

6. The structure of claim 1, wherein: The shape size of the outside of the lock piece box body (5) and the shape size of the inside of the lock piece box groove (2) are matched, the lock piece box body (5) is "groove" shape, one side of the lock piece box body (5) is open away from the lock piece box ear (6), the position size of the pull rivet nut hole (4), the lock piece hole (7) one to one corresponds.