Universal door lock capable of conveniently replacing original door lock

By designing a universal lock with flexible structure, using bolts and connecting pipes to achieve compatibility of multiple locks, and solving the adaptation problems through movable movable plates and washers, the problems of size differences and hole openings during the replacement of existing door locks are solved, and fast and convenient lock replacement and installation are achieved.

CN222686371UActive Publication Date: 2025-03-28SHENZHEN CARDORIA TECH CO LTD
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Patent Information

Application Number
CN202421404779.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-03-28
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

There are many types of existing door locks, and there are differences in the size and specifications of the lock body between brands and models, which leads to consumers who need to purchase a completely matching new lock when replacing the door lock, otherwise it will not be installed and used. If necessary, the door needs to be re-punched, which consumes manpower and material resources.

Method used

A universal lock head with flexible structure and easy installation is designed, including inner module, outer module, connecting pipe and lock core. The compatibility of multiple lock heads is achieved through several bolts and connecting pipes, and the adaptation problem with the original lock head and door is solved through movable movable plates and washers, avoiding significant changes to the door panel and hole openings.

Benefits of technology

It realizes compatibility of multiple door lock systems, which is convenient and quick to replace the original door lock without major changes to the door body, saves manpower and material resources, and improves the convenience and aesthetics of installation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222686371U_ABST
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Abstract

The utility model provides a universal door lock convenient to replace the original door lock, which comprises an inner module, an outer module, a connecting pipe and a lock cylinder, a plurality of bolts protruding towards the door plate direction are arranged in the outer module, the connecting pipe penetrates through the lock cylinder to be connected with the bolts, the inner module is provided with a slidable movable plate, and the inner module is provided with screws. And the other end of the connecting pipe is connected with a screw on the inner module, so that the inner module and the outer module are fixed on the door plate. A plurality of bolts and connecting pipes are adopted, the connecting pipes can be installed on different bolts according to different lock heads, meanwhile, the distance of the connecting pipes screwed into the bolts is adjusted according to the thickness of a door plate, the movable plate is adopted, the problem of adaptation with original lock heads and different door plate thicknesses is solved, generality is achieved, and the door plate is convenient to use. Holes and base plates do not need to be formed in the door plate.
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Description

Technical Field

[0001] The utility model relates to the technical field of locks, and in particular to a universal door lock which is convenient for replacing an original door lock. Background Art

[0002] In daily life, there are many types of door locks on the market. The lock body size and lock core specifications vary between brands and models, which means that when consumers need to replace door locks, they often need to buy new locks that fully match the original ones, otherwise they cannot be installed and used. If necessary, they also need to re-drill the door, which is labor-intensive and resource-intensive for metal doors and glass doors. Therefore, it is particularly important to develop a universal lock that can adapt to multiple door lock specifications and facilitate the rapid replacement of the original door lock. Utility Model Content

[0003] The main purpose of the utility model is to provide a universal lock with flexible structure and easy installation. It is compatible with a variety of door lock systems and can quickly replace the lock without making major changes to the door body. The embodiment of the utility model provides a universal door lock that is convenient for replacing the original door lock, specifically including an inner module, an outer module, a connecting pipe and a lock core. The inner part of the outer module is provided with a plurality of bolts protruding toward the door panel. The connecting pipe passes through the lock core and is connected to the bolts. The inner module is provided with a slidable movable plate. The inner module is provided with screws. The other end of the connecting pipe is connected to the screws on the inner module to fix the inner module and the outer module to the door panel.

[0004] Gaskets are provided on one side of the inner module, the outer module and the door panel, and the gaskets are sleeved on the inner module and the outer module, effectively covering the traces of the old lock after being removed, protecting the door panel and preventing moisture from entering the lock core.

[0005] The inner module and the outer module are both provided with handles connected with the lock core.

[0006] The upper and lower parts of the outer module are respectively a password area and a card swiping area, and the lock core is unlocked by a password or a card swiping.

[0007] The bolts are fixedly installed with the outer module to prevent the bolts from rotating along with the connecting pipe during installation.

[0008] The inner module also includes a detachable cover plate, in which a plurality of magnets are fixed. The cover plate is adsorbed on the surface of the inner module by the magnets, which is convenient for disassembly, has no screw holes, and is more beautiful.

[0009] The inner module includes a frame, a fixed plate, and a battery box. The fixed plate is fixedly installed on the lower middle part of the frame, and a plurality of screw holes are opened on the fixed plate. The movable plate is movably installed on the upper part of the frame, and the battery box is fixedly installed on the frame. The battery in the battery box supplies power to the outer module and the lock core.

[0010] Compared with the prior art, the utility model adopts a plurality of bolts and connecting pipes, and the connecting pipes can be installed on different bolts according to different locks. At the same time, the distance that the connecting pipe is screwed into the bolt can be adjusted according to the thickness of the door panel. A movable active plate is adopted to solve the problem of adaptation with the original lock head and door, and universality is achieved. There is no need to drill holes in the door panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0012] Figure 1 , 2 3 is an overall schematic diagram provided by an embodiment of the utility model;

[0013] Figure 4 An explosion diagram provided for an embodiment of the utility model;

[0014] Figure 5 A schematic diagram of the external module structure provided by an embodiment of the utility model;

[0015] Figure 6 An exploded schematic diagram of an inner module provided in an embodiment of the utility model;

[0016] Figure 7 A schematic diagram of the cover structure provided by an embodiment of the utility model;

[0017] Figure 8 A schematic diagram of the installation of a movable plate provided in an embodiment of the utility model.

[0018] Among them, the reference numerals in the figure are:

[0019] 1. Outer module; 11. Washer; 12. Bolt; 13. Handle; 14. Card swiping area; 15. Password area; 2. Inner module; 21. Screw; 22. Cover; 221. Magnet; 23. Battery box; 24. Fixed plate; 25. Movable plate; 26. Frame; 3. Connecting pipe.

[0020] The above drawings have shown clear embodiments of the present invention, which will be described in more detail below. These drawings and text descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may also be a centered element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a centered element at the same time. On the contrary, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method. The terms "upper end", "lower end", "left side", "right side", "front end", "rear end" and similar expressions used herein are positional relationships with reference to the accompanying drawings.

[0023] In order to make the technical solutions and advantages of the present invention more clear, the implementation modes of the present invention will be described in further detail below with reference to the accompanying drawings.

[0024] See also Figure 1-8 As shown, the embodiment of the utility model provides a universal door lock that is convenient for replacing the original door lock, which specifically includes an inner module 2, an outer module 1, a connecting pipe 3 and a lock core. The application adopts a universal lock core, so it is not shown in the drawings. Figure 5 As shown, a plurality of bolts 12 protruding toward the door panel are provided inside the outer module 1, and the connecting pipe 3 passes through the lock core and is connected to the bolts 12, as shown in FIG. Figure 4 As shown, the inner module 2 is provided with a slidable movable plate 25, the inner module 2 is provided with a screw 21, and the other end of the connecting pipe 3 is connected to the screw 21 on the inner module 2 to fix the inner module 2 and the outer module 1 to the door panel. The bolt 12 is fixedly installed with the outer module 1 to prevent the bolt 12 from rotating with the connecting pipe 3 during installation. Figure 1 , 2As shown, the inner module 2 and the outer module 1 are both provided with a gasket 11 on the side where they abut against the door panel, and the gasket 11 is sleeved on the inner module 2 and the outer module 1, effectively covering the traces of the old lock after being removed, protecting the door panel, and preventing moisture from entering the lock core. The inner module 2 and the outer module 1 are both provided with a handle 13 connected to the lock core.

[0025] like Figure 1 As shown, the upper and lower parts of the outer module 1 are respectively a password area 15 and a card swiping area 14, and the lock cylinder is unlocked by a password or a card swiping. In other embodiments, the outer module 1 can be provided with a face recognition module or a fingerprint recognition module.

[0026] like Figure 6 , 7 As shown, the inner module 2 also includes a detachable cover plate 22, and a plurality of magnets 221 are fixed in the cover plate 22. The cover plate 22 is adsorbed on the surface of the inner module 2 through the magnets 221, which is convenient for disassembly, and has no screw 21 holes, which is more beautiful. The inner module 2 includes a frame 26, a fixing plate 24, and a battery box 23. The fixing plate 24 is fixedly installed in the middle and lower part of the frame 26, and a plurality of screw 21 holes are opened on the fixing plate 24; as shown Figure 8 As shown, the movable plate 25 is movably mounted on the upper part of the frame 26, and the battery box 23 is fixedly mounted on the frame 26. The battery in the battery box 23 supplies power to the outer module 1 and the lock core.

[0027] In order to have a more thorough and comprehensive understanding of the disclosed content of the utility model, the principle thereof is further explained below in combination with the usage method.

[0028] In actual use, after removing the old lock, first install the new lock core in the door, then select more than 3 bolts 12 on the outer module 1 according to the holes in the door panel, and then screw the connecting pipe 3 into the bolts 12 at an appropriate distance according to the thickness of the door panel, and then fit the outer module 1 with the connecting pipe 3 to the outside of the door and connect it to the lock core; then fit the inner module 2 to the inside of the door panel, adjust the movable plate 25, connect it to the connecting pipe 3 through the screws 21, tighten the outer module 1 and the inner module 2 to the door panel, and finally install the battery box 23 and the cover plate 22.

[0029] After considering the specification and practicing the utility model, those skilled in the art will easily think of other embodiments of the utility model. This application is intended to cover any variation, use or adaptation of the utility model, which follows the general principles of the utility model and includes common knowledge or customary technical means in the art that are not disclosed in the utility model. The specification and examples are to be regarded as exemplary only, and the true scope and spirit of the utility model are indicated by the following claims.

[0030] It should be understood that the present invention is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present invention is limited only by the appended claims.

Claims

1. A universal door lock that is convenient for replacing the original door lock, characterized by: The invention comprises an inner module (2), an outer module (1), a connecting pipe (3) and a lock core, wherein the outer module (1) is provided with a plurality of bolts (12) protruding toward the door panel, the connecting pipe (3) passes through the lock core and is connected to the bolts (12), the inner module (2) is provided with a slidable movable plate (25), the inner module (2) is provided with a screw (21), and the other end of the connecting pipe (3) is connected to the screw (21) on the inner module (2) so as to fix the inner module (2) and the outer module (1) to the door panel.

2. A universal door lock that is convenient for replacing an original door lock according to claim 1, characterized in that: The inner module (2) and the outer module (1) are both provided with gaskets (11) on the side where they abut against the door panel, and the gaskets (11) are sleeved on the inner module (2) and the outer module (1).

3. A universal door lock that is convenient for replacing an original door lock according to claim 1, characterized in that: The inner module (2) and the outer module (1) are both provided with a handle (13) connected to the lock core.

4. A universal door lock that is convenient for replacing an original door lock according to claim 1, characterized in that: The upper and lower parts of the outer module (1) are respectively a password area (15) and a card swiping area (14), and the lock core is unlocked by a password or by swiping a card.

5. A universal door lock that is convenient for replacing an original door lock according to claim 1, characterized in that: The bolts (12) are fixedly mounted on the outer module (1).

6. A universal door lock that is convenient for replacing an original door lock according to claim 1, characterized in that: The inner module (2) further comprises a detachable cover plate (22), a plurality of magnets (221) being fixed inside the cover plate (22), and the cover plate (22) is adsorbed on the surface of the inner module (2) via the magnets (221).

7. A universal door lock that is convenient for replacing an original door lock according to claim 1, characterized in that: The inner module (2) comprises a frame (26), a fixing plate (24), and a battery box (23); the fixing plate (24) is fixedly mounted on the middle and lower part of the frame (26), and a plurality of screw (21) holes are provided on the fixing plate (24); the movable plate (25) is movably mounted on the upper part of the frame (26); the battery box (23) is fixedly mounted on the frame (26); and the battery in the battery box (23) supplies power to the outer module (1) and the lock core.