Novel bolt
By designing a new type of latch, using sliding blocks and torsion spring structures, the automatic unlocking and locking of the latch is achieved, solving the problem of manual adjustment of the existing door lock latch, and simplifying the operation process.
Patent Information
- Application Number
- CN202422671557.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-11-04
AI Technical Summary
The pins of existing door locks require manual adjustment at high and low places, which is inconvenient to operate.
A new type of latch is designed, including a latch body, a sliding block, a pull rod, a latch head and a torsion spring. The pull rod drives the slide block and the latch head to retract automatically to achieve automatic locking, and the torsion spring is used to push the latch head to lock.
The operation process of unlocking and locking is simplified, and the cumbersome process of adjusting high and low places is avoided.
Smart Images

Figure CN223241245U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lock equipment, in particular to a novel latch. Background Art
[0002] Nowadays, door locks on home doors have become popular. Door locks are usually installed to protect personal property and resist external dangers. Most door locks on the market are equipped with latches on the top and bottom to assist in opening and closing the door.
[0003] However, the upper and lower latches of door locks on the market need to be opened or closed manually. The opening or closing steps require not only adjustment at the high position but also adjustment at the low position, and the adjustment process is extremely cumbersome. Utility Model Content
[0004] The purpose of the present invention is to provide a new type of latch with a reasonable design to solve the defects and shortcomings of the existing technology.
[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: it includes a latch body, a latch head and a latch cover, a sliding block is provided in the latch body, a pull rod is provided at the bottom of the sliding block, the latch head is located above the sliding block, and a plurality of compensating tongues are provided on the top side wall of the latch head, and springs are provided in the plurality of compensating tongues, and a second fixing column is provided on the inner side wall of the latch body, and a torsion spring is installed on the second fixing column.
[0006] Preferably, a guide groove 1 is provided on the side wall of the latch body, and a guide column 1 is provided on the side wall of the sliding block, and the guide column 1 moves in the guide groove 1.
[0007] Preferably, a second guide groove is provided on the side wall of the latch body, and a second guide column is provided on the side wall of the sliding block. The second guide column moves in the second guide groove, and the second guide groove is parallel to the first guide groove.
[0008] Preferably, the side wall of the sliding block is provided with a third fixing column, the side wall of the latch head is provided with a third guide groove, and the third fixing column moves in the third guide groove.
[0009] Preferably, a fixing column 1 is provided on the side wall of the latch body, a guide groove 4 is provided on the side wall of the latch head, and the fixing column 1 moves in the guide groove 4.
[0010] Preferably, a fixing column four is provided on the side wall of the latch head, the fixing column four is fitted with one end of the torsion spring, and the other end of the torsion spring is fitted with the inner wall of the latch body.
[0011] After adopting the above structure, the beneficial effects of the utility model are:
[0012] 1. The utility model sets a pull rod, a sliding block and a latch head inside the main body. When unlocking is required, the pull rod can be driven by the door lock to retract the latch head. Installing this device can make the adjustment process less complicated and eliminate the need for adjustment at high or low positions.
[0013] 2. The utility model installs a torsion spring inside the main body, which can push the latch head to lock. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the present invention when the latch is locked;
[0015] Figure 2 This is a schematic diagram of the utility model when the latch is unlocked;
[0016] Figure 3 This is a schematic diagram of the utility model when the latch returns to its original position;
[0017] Figure 4 This is a right side view of the utility model when the latch is locked;
[0018] Figure 5 It is a top view of the utility model when the latch is locked.
[0019] Description of reference numerals:
[0020] 1. Latch body; 11. Guide slot 1; 12. Guide slot 2; 13. Fixed post 1; 14. Fixed post 2; 2. Pull rod; 3. Sliding block; 31. Guide post 1; 32. Guide post 2; 33. Fixed post 3; 4. Latch head; 41. Guide slot 3; 42. Guide slot 4; 43. Fixed post 4; 5. Torsion spring; 6. Compensating tongue; 7. Spring; 8. Latch cover. DETAILED DESCRIPTION
[0021] 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.
[0022] like Figure 1-Figure 5 As shown, the utility model relates to a novel latch, which includes a latch body 1, a latch head 4 and a latch cover 8. A sliding block 3 is provided inside the latch body 1, a pull rod 2 is provided at the bottom of the sliding block 3, the latch head 4 is located above the sliding block 3, and a plurality of compensating tongues 6 are provided on the top side wall of the latch head 4. Springs 7 are provided in the plurality of compensating tongues 6. A second fixing column 14 is provided on the inner side wall of the latch body 1, and a torsion spring 5 is mounted on the second fixing column 14.
[0023] A guide groove 11 is defined on the side wall of the latch body 1, and a guide post 31 is provided on the side wall of the sliding block 3. The guide post 31 moves within the guide groove 11; a guide groove 2 12 is defined on the side wall of the latch body 1, and a guide post 32 is provided on the side wall of the sliding block 3. The guide post 32 moves within the guide groove 2 12, and the guide groove 2 12 is parallel to the guide groove 11; a fixed post 33 is provided on the side wall of the sliding block 3, and a guide groove 3 41 is defined on the side wall of the latch head 4. The fixed post 33 moves within the guide groove 3 41; a fixed post 13 is provided on the side wall of the latch body 1, and a guide groove 42 is defined on the side wall of the latch head 4. The fixed post 13 moves within the guide groove 42.
[0024] As an optimization solution of the present utility model, by providing a guide groove 11 and a guide groove 2 12 on the side wall of the latch body 1 and providing a guide column 1 31 and a guide column 2 32 on the side wall of the sliding block 3, the sliding block 3 can be moved within the latch body 1. By providing a fixed column 3 33 on the side wall of the sliding block 3 and providing a guide groove 3 41 on the side wall of the latch head 4, the sliding block 3 can be moved while driving the latch head 4 to move. By providing a fixed column 13 on the inner side wall of the latch body 1 and providing a guide groove 4 42 on the side wall of the latch head 4, the latch head 4 can be moved within the latch body 1.
[0025] like Figure 1-Figure 5 As shown, a fixing post 43 is provided on the side wall of the latch head 4, and the fixing post 43 is fitted with one end of the torsion spring 5, and the other end of the torsion spring 5 is fitted with the inner wall of the latch body 1.
[0026] As an optimized solution of the present invention, a fixing column 43 is installed in the latch body 1, and one end of the torsion spring 5 is in contact with the fixing column 43 to apply a force to push the latch head 4 to lock.
[0027] The use process of this utility model:
[0028] When the device needs to be unlocked, the pull rod 2 is first pulled, and then the pull rod 2 drives the sliding block 3 to move in the latch body 1. Subsequently, the sliding block 3 drives the latch head 4 to retract, and then the pull rod 2 drives the sliding block 3 to return to its original position.
[0029] It should be understood that the above-described specific embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and do not constitute limitations of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the scope of protection of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and metes and bounds of the appended claims, or equivalents of such scope and metes and bounds.
Claims
1. A novel latch comprising a latch body (1), a latch head (4) and a latch cover (8), characterized in that: A sliding block (3) is provided in the latch body (1), a pull rod (2) is provided at the bottom of the sliding block (3), the latch head (4) is located above the sliding block (3), and a plurality of compensation tongues (6) are provided on the top side wall of the latch head (4), and a spring (7) is provided in the plurality of compensation tongues (6), and a fixing column (14) is provided on the inner side wall of the latch body (1), and a torsion spring (5) is installed on the fixing column (14).
2. A new latch according to claim 1, characterized in that: A guide groove (11) is provided on the side wall of the latch body (1), and a guide column (31) is provided on the side wall of the sliding block (3). The guide column (31) moves in the guide groove (11).
3. A new latch according to claim 2, characterized in that: The side wall of the latch body (1) is provided with a second guide groove (12), and the side wall of the sliding block (3) is provided with a second guide column (32). The second guide column (32) moves in the second guide groove (12), and the second guide groove (12) is parallel to the first guide groove (11).
4. A new latch according to claim 1, characterized in that: The side wall of the sliding block (3) is provided with a third fixing column (33), the side wall of the latch head (4) is provided with a third guide groove (41), and the third fixing column (33) moves in the third guide groove (41).
5. The novel latch according to claim 1, characterized in that: The side wall of the latch body (1) is provided with a fixing column (13), and the side wall of the latch head (4) is provided with a guide groove (42), and the fixing column (13) moves in the guide groove (42).
6. The novel latch according to claim 1, characterized in that: The side wall of the latch head (4) is provided with a fixing column four (43), the fixing column four (43) is fitted with one end of the torsion spring (5), and the other end of the torsion spring (5) is fitted with the inner side wall of the latch body (1).