Combined door lock assembly

By designing a combined door lock assembly, using the combination of parts such as pin rods, springs, collars and limit rods, the assembly and maintenance problems caused by the integrated structure of traditional door lock assembly are solved, and rapid installation and simple maintenance are achieved.

CN223202901UActive Publication Date: 2025-08-08CHANGZHOU JIARUI ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202422092604.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-08-08
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The traditional door lock assembly is an integrated structure, and it cannot be used as a whole when partially damaged, making it difficult to assemble and repair.

Method used

A combined door lock assembly is designed, including support assembly and locking parts, and is assembled through simple combination using pin rods, springs, collars, limit rods and other components to reduce assembly difficulty and facilitate maintenance and replacement of faulty components.

Benefits of technology

The rapid installation and simple repair of door lock components are realized, and users can quickly find and replace faulty components, reducing assembly and maintenance difficulties.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of door locks, in particular to a combined door lock assembly which comprises a supporting assembly and a locking piece, the supporting assembly comprises a back plate and side plates, two sets of symmetrically-arranged side plates are arranged on the front face of the back plate, and the locking piece comprises an L-shaped pin rod, a spring, a lantern ring, a first limiting rod and a second limiting rod. The pin rod penetrates through the two sets of side plates, the spring and the lantern ring are connected to the pin rod in a sleeving mode, the two ends of the spring are connected with one set of side plates and the lantern ring correspondingly, and the two sets of first limiting rods are symmetrically arranged on the pin rod. According to the structural design of the door lock assembly, all parts can be assembled in a simple combination mode, the assembling difficulty is lowered, a user or maintenance personnel can conveniently and rapidly install and maintain the door lock assembly, part replacement or maintenance is relatively simple due to the structure of the door lock assembly, and the user can rapidly find and replace fault parts when problems occur.
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Description

Technical Field

[0001] The utility model relates to the technical field of door locks, in particular to a combined door lock component. Background Art

[0002] A door lock assembly refers to the various parts and structures that make up a door lock. Traditional door lock assemblies are mostly one-piece structures used to close the protective doors of outdoor fences. Their various components are welded, and when any part of them is damaged, the entire assembly cannot be used. Utility Model Content

[0003] (1) Technical problems solved

[0004] In view of the deficiencies in the prior art, the utility model provides a combined door lock assembly.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a combined door lock assembly, comprising a support assembly and a locking component, the support assembly comprising a back plate and side plates, two groups of symmetrically arranged side plates are provided on the front of the back plate, the locking component comprises an L-shaped pin rod, a spring, a collar, a first limiting rod and a second limiting rod, the pin rod passes through the two groups of side plates, the spring and the collar are both sleeved on the pin rod, the two ends of the spring are respectively connected to one group of side plates and the collar, the first limiting rod is provided as two groups symmetrically arranged on the pin rod, the first limiting rod is provided between the collar and the other group of side plates, and the second limiting rod is also symmetrically provided on the upper and lower sides of the back plate.

[0007] Preferably, the first limiting rod is threadedly connected to the pin rod.

[0008] Preferably, the second limiting rod is threadedly connected to the back plate.

[0009] Preferably, mounting holes are provided at the four corners of the back plate.

[0010] In order to facilitate and stably drive the pin rod, the utility model is improved in that an anti-slip cap is further provided at one end of the pin rod away from the first limiting rod.

[0011] Preferably, an arc-shaped groove adapted to the first limiting rod is provided at the center of the second limiting rod.

[0012] (3) Beneficial effects

[0013] Compared with the prior art, the present invention provides a combined door lock assembly with the following beneficial effects:

[0014] The structural design of the combined door lock assembly allows the various components to be assembled in a simple combination manner, reducing the difficulty of assembly and facilitating quick installation and maintenance by users or maintenance personnel. The structure of the door lock assembly makes replacement or maintenance relatively simple, and users can quickly find and replace faulty components when problems occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the first schematic diagram of the structure of the utility model;

[0016] Figure 2 This is the second schematic diagram of the structure of the utility model;

[0017] Figure 3 This is an exploded schematic diagram of the structure of the utility model.

[0018] In the figure: 1. back panel; 2. side panel; 3. pin rod; 4. spring; 5. collar; 6. first limit rod; 7. second limit rod; 8. mounting hole; 9. anti-slip cap. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-3 , a combined door lock assembly includes a support assembly and a locking component, the support assembly includes a back plate 1 and a side plate 2, the front of the back plate 1 is provided with two groups of symmetrically arranged side plates 2, the locking component includes an L-shaped pin rod 3, a spring 4, a collar 5, a first limiting rod 6 and a second limiting rod 7, the pin rod 3 passes through the two groups of side plates 2, the spring 4 and the collar 5 are both sleeved on the pin rod 3, the two ends of the spring 4 are respectively connected to one group of side plates 2 and the collar 5, the first limiting rod 6 is set as two groups symmetrically arranged on the pin rod 3, the first limiting rod 6 is arranged between the collar 5 and the other group of side plates 2, and the second limiting rod 7 is also symmetrically provided on the upper and lower sides of the back plate 1.

[0021] During actual use, a side panel 2 is provided on the back panel 1, and a pin rod 3 passes through the side panel 2. A first limiting rod 6 is also provided on the pin rod 3. The end of the pin rod 3 is horizontal with the first limiting rod 6. The spring 4 pushes the ring 5, and the ring 5 further pushes the first limiting rod 6 to pass through the second limiting rod 7. The end of the pin rod 3 passes through the two groups of side panels 2 for locking. When the pin rod 3 needs to be unlocked, the pin rod 3 is pulled. The pin rod 3 is arranged vertically, and the first limiting rod 6 is engaged with the second limiting rod 7. The second limiting rod 7 is also provided with an arc groove adapted to the first limiting rod 6.

[0022] In this embodiment, the first limiting rod 6 is threadedly connected to the pin rod 3 , and the second limiting rod 7 is threadedly connected to the back plate 1 , so as to assemble the first limiting rod 6 and the second limiting rod 7 .

[0023] In this embodiment, mounting holes 8 are provided at the four corners of the back panel 1, which facilitate the connection between the back panel 1 and the door body. An anti-slip cap 9 is also provided at the end of the pin rod 3 away from the first limiting rod 6, and the anti-slip cap 9 ensures the stability of the driving of the pin rod 3.

[0024] In order to explain in detail the possible application scenarios, technical principles, specific solutions that can be implemented, and the purpose and effects of this application, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application and are therefore only examples and are not intended to limit the scope of protection of this application.

[0025] References to "embodiments" herein mean that the specific features, structures, or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the word "embodiment" in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the various technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution.

[0026] Unless otherwise defined, the technical terms used herein have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms herein is only for describing specific embodiments and is not intended to limit this application.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined door lock assembly, comprising a support assembly and a locking member, characterized in that: The support assembly includes a back plate (1) and side plates (2). Two groups of symmetrically arranged side plates (2) are provided on the front of the back plate (1). The locking component includes an L-shaped pin rod (3), a spring (4), a collar (5), a first limiting rod (6) and a second limiting rod (7). The pin rod (3) passes through the two groups of side plates (2). The spring (4) and the collar (5) are both sleeved on the pin rod (3). The two ends of the spring (4) are respectively connected to one group of side plates (2) and the collar (5). The first limiting rod (6) is provided as two groups symmetrically arranged on the pin rod (3). The first limiting rod (6) is provided between the collar (5) and the other group of side plates (2). The second limiting rod (7) is also symmetrically provided on the upper and lower sides of the back plate (1).

2. A combined door lock assembly according to claim 1, characterized in that: The first limiting rod (6) is threadedly connected to the pin rod (3).

3. A combined door lock assembly according to claim 2, characterized in that: The second limiting rod (7) is threadedly connected to the back plate (1).

4. A combined door lock assembly according to claim 3, characterized in that: The back plate (1) is provided with mounting holes (8) at four corners.

5. A combined door lock assembly according to claim 4, characterized in that: An anti-slip cap (9) is also provided at one end of the pin rod (3) away from the first limiting rod (6).

6. A combined door lock assembly according to claim 5, characterized in that: The center of the second limiting rod (7) is provided with an arc-shaped groove adapted to the first limiting rod (6).