A double handle symmetrical modular door lock structure

Abstract

This utility model relates to the field of modular door lock technology, specifically a dual-handle symmetrical modular door lock structure, including a front stop assembly. A front clutch is installed on one side of the front stop assembly, and a front handle assembly is installed on the outer wall of the front clutch. The front handle assembly has a lock hole and a mating groove inside. A positioning slot is formed on the inner side wall of the mating groove, and a protective plate is installed on the outer wall of the front handle assembly. This utility model allows the protective plate to slide along the outer wall of the front handle assembly, causing the mating block to engage and insert into the mating groove. The inner side wall of the mating groove presses against the positioning block. When the mating block is fully engaged in the mating groove, the elastic spring can reset, causing the positioning block to engage in the positioning slot for limiting its position. This, in turn, allows the protective plate to block the lock hole, effectively protecting it from dust.

Description

Technical Field

[0001] This utility model relates to the field of modular door lock technology, and in particular to a dual-handle symmetrical modular door lock structure. Background Technology

[0002] Modular door locks are door lock products that adopt a modular design concept. Their core feature is that the various functional components of the door lock (such as the lock body, panel, unlocking mechanism components, etc.) are designed as independent modules. These modules can be flexibly combined, replaced or upgraded according to needs, thereby meeting the usage needs in different scenarios.

[0003] Existing technology, such as the door lock handle structure disclosed in application number CN218815739U, includes a handle body, which comprises a metal handle body and a plastic handle shell. The plastic handle shell includes a plastic cover and a plastic outer shell, with a cavity formed between the plastic outer shell and the plastic cover for installing the metal handle body. The door lock handle structure of this utility model installs the metal handle body through the cavity formed by the plastic cover and the plastic outer shell, eliminating the need for surface processing of the handle body, reducing production processes, saving costs, and improving production efficiency. Simultaneously, it effectively prevents corrosion, deterioration, discoloration, and metal oxidation of the handle body's surface layer, and is resistant to chemicals such as alcohol and disinfectants, making it suitable for applications in isolation centers, quarantine hotels, and other similar settings, demonstrating strong adaptability.

[0004] Therefore, while the aforementioned device can prevent issues such as discoloration on the handle surface, it is inconvenient to protect the keyhole on the handle from dust, allowing dust to enter the lock cylinder through the keyhole and affecting the lifespan of the door lock. Utility Model Content

[0005] To overcome the problem that common modular door lock structures make it inconvenient to protect the keyhole on the handle from dust.

[0006] The technical solution of this utility model is as follows: a dual-handle symmetrical modular door lock structure, including a front stop assembly, a front clutch installed on one side of the front stop assembly, a front handle assembly installed on the outer wall of the front clutch, a lock hole opened inside the front handle assembly, a mating groove opened inside the front handle assembly, a positioning slot opened on the inner side wall of the mating groove, a protective plate installed on the outer wall of the front handle assembly, a mating block fixedly connected to the outer wall of the protective plate, a movable groove opened inside the mating block, a receiving spring fixedly connected to the inner wall of the movable groove, a positioning block fixedly connected to the outer wall of the receiving spring, and an avoidance groove opened inside the receiving spring.

[0007] Preferably, the docking block is movably connected to the receiving spring piece via a movable groove, and the receiving spring piece is symmetrically arranged about the central axis of the docking block.

[0008] Preferably, the receiving spring is engaged with the docking block via a clearance groove, and the positioning block is hemispherical.

[0009] Preferably, the docking block is engaged with the front handle assembly via a docking groove, and the front handle assembly is engaged with the positioning block via a positioning slot.

[0010] Preferably, a housing is installed on the outer wall of the front windshield assembly, and a slanted tongue assembly is movably connected inside the housing. A threaded post is fixedly connected to the outer wall of the front windshield assembly, and a positioning screw is movably connected inside the threaded post. A rear windshield assembly is installed on the outer wall of the positioning screw. A rear clutch is installed on one side of the rear windshield assembly, and a knob assembly and a rear handle assembly are installed on the outer wall of the rear clutch.

[0011] Preferably, the threaded post has a threaded groove inside, and the threaded post is threadedly connected to the positioning screw.

[0012] Preferably, the rear bumper assembly is movably connected to the positioning screw, and the tongue assembly and the housing form a sliding structure.

[0013] The beneficial effects of this utility model are:

[0014] 1. This utility model, through the setting of a front handle assembly, lock hole, docking groove, positioning slot, protective plate, docking block, receiving spring, and positioning block, allows the protective plate to slide along the outer wall of the front handle assembly, so that the docking block is inserted into the docking groove, and the inner side wall of the docking groove squeezes the positioning block. When the docking block is fully inserted into the docking groove, the receiving spring, being elastic, can be reset, causing the positioning block to be inserted into the positioning slot for limiting, and the protective plate to block the lock hole, thus providing dust protection for the lock hole and preventing dust from affecting the service life of the door lock cylinder.

[0015] 2. This utility model, through the arrangement of a front stop assembly, a front clutch, a front handle assembly, a housing, a threaded post, a positioning screw, a rear stop assembly, a rear clutch, a knob assembly, and a rear handle assembly, facilitates quick assembly of the door lock. The front stop assembly is moved to mate with one side of the door panel, and the front clutch and front handle assembly are installed on the outer wall of the front stop assembly. Simultaneously, the housing is inserted through the lock cylinder opening in the door panel and mates with the front stop assembly. The rear stop assembly is then moved to the other side of the door panel, and the positioning screw passes through the rear stop assembly and mates with one end of the threaded post. Rotating the positioning screw allows the rear stop assembly and front stop assembly to be positioned on opposite sides of the door panel. The rear clutch is then installed on the outer wall of the rear stop assembly. Similarly, the knob assembly and rear handle assembly are installed. This design facilitates quick assembly of the door lock, and the symmetrical modular structure with double handles enhances both aesthetics and ease of assembly. Attached Figure Description

[0016] Figure 1 The diagram shown is a front view of this utility model;

[0017] Figure 2 The image shown is a perspective view of the front handle assembly of this utility model.

[0018] Figure 3 The view shown is a perspective sectional view of the front handle assembly of this utility model;

[0019] Figure 4 The image shown is a perspective view of the protective plate of this utility model;

[0020] Figure 5 The image shown is a three-dimensional view of the positioning card block of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Front deflector assembly; 2. Front clutch; 3. Front handle assembly; 4. Lock hole; 5. Docking groove; 6. Positioning slot; 7. Protective plate; 8. Docking block; 9. Movable groove; 10. Receiving spring; 11. Positioning block; 12. Clearance groove; 13. Sleeve; 14. Slanted tongue assembly; 15. Threaded post; 16. Positioning screw; 17. Rear deflector assembly; 18. Rear clutch; 19. Knob assembly; 20. Rear handle assembly. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5This utility model provides a technical solution: a dual-handle symmetrical modular door lock structure, including a front stop assembly 1, a front clutch 2 installed on one side of the front stop assembly 1, a front handle assembly 3 installed on the outer wall of the front clutch 2, a lock hole 4 opened inside the front handle assembly 3, a docking groove 5 opened inside the front handle assembly 3, a positioning slot 6 opened on the inner side wall of the docking groove 5, a protective plate 7 installed on the outer wall of the front handle assembly 3, a docking block 8 fixedly connected to the outer wall of the protective plate 7, a movable groove 9 opened inside the docking block 8, a receiving spring 10 fixedly connected to the inner wall of the movable groove 9, a positioning slot 11 fixedly connected to the outer wall of the receiving spring 10, and an avoidance groove 12 opened inside the receiving spring 10.

[0024] The docking block 8 is movably connected to the receiving spring piece 10 through the movable groove 9. The receiving spring piece 10 is symmetrically arranged about the central axis of the docking block 8, so that the receiving spring piece 10 can slide along the movable groove 9 and be retracted into the docking block 8.

[0025] The receiving spring 10 is engaged with the docking block 8 through the relief groove 12. The positioning block 11 is hemispherical, which can engage the receiving spring 10 with the docking block 8, so that the top of the receiving spring 10 is flush with the outer wall of the docking block 8.

[0026] The docking block 8 is engaged with the front handle assembly 3 through the docking groove 5, and the front handle assembly 3 is engaged with the positioning block 11 through the positioning groove 6, so that the docking block 8 can be inserted into the docking groove 5 for assembly.

[0027] A housing 13 is installed on the outer wall of the front windshield assembly 1. A tongue assembly 14 is movably connected inside the housing 13. A threaded post 15 is fixedly connected to the outer wall of the front windshield assembly 1. A positioning screw 16 is movably connected inside the threaded post 15. A rear windshield assembly 17 is installed on the outer wall of the positioning screw 16. A rear clutch 18 is installed on one side of the rear windshield assembly 17. A knob assembly 19 is installed on the outer wall of the rear clutch 18. A rear handle assembly 20 is installed on the outer wall of the rear clutch 18.

[0028] The threaded post 15 has a threaded groove inside. The threaded post 15 is threadedly connected to the positioning screw 16, which can be inserted into the threaded post 15 for positioning.

[0029] The rear bumper assembly 17 is movably connected to the positioning screw 16, and the tongue assembly 14 and the housing 13 form a sliding structure, which allows the tongue assembly 14 to slide along the housing 13.

[0030] Working principle:

[0031] according to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5By moving the protective plate 7, it slides along the outer wall of the front handle assembly 3, causing the docking block 8 to be inserted into the docking groove 5. The inner side wall of the docking groove 5 presses against the positioning block 11, causing the receiving spring 10 to rotate along the movable groove 9 and be retracted into the docking block 8. When the docking block 8 is fully inserted into the docking groove 5, since the receiving spring 10 is elastically set, it can be reset, causing the positioning block 11 to be inserted into the positioning groove 6 for limiting. Under the action of the clearance groove 12, it can prevent the receiving spring 10 from resetting excessively beyond the docking block 8.

[0032] according to Figure 1 By moving the front deflector assembly 1 so that it is installed on one side of the door panel, and installing the front clutch 2 and front handle assembly 3 on the outer wall of the front deflector assembly 1, the housing 13 is inserted from the lock cylinder opening of the door panel and assembled with the front deflector assembly 1. Then, the rear deflector assembly 17 is moved so that it is installed on the other side of the door panel. The positioning screw 16 is passed through the rear deflector assembly 17 and connected to one end of the threaded post 15. By rotating the positioning screw 16, since the positioning screw 16 is threadedly connected to the threaded post 15, the rear deflector assembly 17 and the front deflector assembly 1 can be respectively limited and installed on both sides of the door panel. Then, the rear clutch 18 is installed on the outer wall of the rear deflector assembly 17. Similarly, the knob assembly 19 and the rear handle assembly 20 are installed. By pulling the front handle assembly 3 or the rear handle assembly 20, the latch assembly 14 can slide in along the housing 13, thus opening the door lock.

[0033] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0034] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double lever symmetrical modular door lock structure comprising a front stop assembly (1); characterized in that: A front clutch (2) is installed on one side of the front windshield assembly (1). A front handle assembly (3) is installed on the outer wall of the front clutch (2). A lock hole (4) is opened inside the front handle assembly (3). A docking groove (5) is opened inside the front handle assembly (3). A positioning slot (6) is opened on the inner side wall of the docking groove (5). A protective plate (7) is installed on the outer wall of the front handle assembly (3). A docking block (8) is fixedly connected to the outer wall of the protective plate (7). A movable groove (9) is opened inside the docking block (8). A receiving spring (10) is fixedly connected to the inner wall of the movable groove (9). A positioning block (11) is fixedly connected to the outer wall of the receiving spring (10). An avoidance groove (12) is opened inside the receiving spring (10).

2. The double lever symmetrical modular door lock set according to claim 1, wherein: The docking block (8) is movably connected to the receiving spring piece (10) through the movable groove (9), and the receiving spring piece (10) is symmetrically arranged about the central axis of the docking block (8).

3. The double lever symmetrical modular door lock set as defined in claim 1, wherein: The receiving spring (10) is engaged with the docking block (8) through the relief groove (12), and the positioning block (11) is hemispherical.

4. The dual-handle symmetrical modular door lock structure according to claim 1, characterized in that: The docking block (8) is engaged with the front handle assembly (3) through the docking groove (5), and the front handle assembly (3) is engaged with the positioning block (11) through the positioning groove (6).

5. The double lever symmetrical modular door lock set as defined in claim 1, wherein: The outer wall of the front windshield assembly (1) is fitted with a housing (13), and the inside of the housing (13) is movably connected to a tongue assembly (14). The outer wall of the front windshield assembly (1) is fixedly connected to a threaded post (15), and the inside of the threaded post (15) is movably connected to a positioning screw (16). The outer wall of the positioning screw (16) is fitted with a rear windshield assembly (17). A rear clutch (18) is fitted on one side of the rear windshield assembly (17). A knob assembly (19) is fitted on the outer wall of the rear clutch (18), and a rear handle assembly (20) is fitted on the outer wall of the rear clutch (18).

6. The double lever symmetrical modular door lock set according to claim 5, wherein: The threaded post (15) has a threaded groove inside, and the threaded post (15) is threadedly connected to the positioning screw (16).

7. The double lever symmetric modular door lock set structure as claimed in claim 5 wherein: The rear bumper assembly (17) is movably connected to the positioning screw (16), and the tongue assembly (14) and the housing (13) form a sliding structure.

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