Split type door lock bolt
By combining the lock tongue body and the outer shell in a split design, the problems of high cost and heavy weight of existing lock tongues are solved, achieving the goal of reducing production and transportation costs while maintaining security performance.
Patent Information
- Application Number
- CN202520265339.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing door locks with one-piece metal bolts are expensive and heavy, increasing production and transportation costs.
It adopts a split design, with the main body of the latch made of plastic and the outer shell of the latch made of bent iron plate. They are combined by connecting slots and blocks. The outer shell of the latch is fixed to the front end of the main body of the latch, which enhances strength and reduces weight.
This reduces the production and transportation costs of the latch while ensuring the security performance and structural robustness of the door lock.
Smart Images
Figure CN223608332U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to door lock accessory technical field, more specifically, it relates to a split type door lock bolt. BACKGROUND
[0002] Door lock is a kind of commonly used to prevent illegal intrusion portal protection device, usually including lock body and door handle and square shaft;Door lock is all through the bolt that is inserted into the lock body from the lock body and is inserted into the buckle box of door body to realize the function of locking, and through the rotation door handle bolt is retracted into the lock body, realize the opening of door lock;Therefore, bolt is very important accessory in door lock, and bolt strength is directly related to the safety performance of door lock;
[0003] In order to improve the safety performance of door lock, the bolt of existing door lock is generally made of metal integral;But the bolt made by the mode has higher cost, simultaneously makes the weight of door lock heavier, can increase the transportation cost of door lock. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies in the prior art, the utility model aims at providing a split type door lock bolt.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A split type door lock bolt, including the bolt body and bolt shell made of different materials, the front end of bolt shell and bolt body is matched;
[0007] The upper side wall of bolt shell is provided with a plurality of connecting grooves, and the lower side wall of bolt shell is provided with a plurality of connecting blocks upwardly protruding;
[0008] The connecting block and connecting groove are matched one by one, and the upper side wall and lower side wall of bolt shell are connected into an integral whole.
[0009] The utility model further sets up: the number of connecting grooves is two, and the two connecting grooves are arranged at the two ends of the upper side wall of bolt shell;
[0010] The number of connecting blocks is two, and the two connecting blocks are arranged at the two ends of the lower side wall of bolt shell.
[0011] The utility model further sets up: the bolt shell is obtained by bending iron plate.
[0012] The utility model further sets up: the front end of bolt body is provided with mounting lug outwardly protruding, and the bolt shell is provided with mounting groove matched with mounting lug;
[0013] The front end of the lock tongue body is arranged in the lock tongue shell, and the mounting protrusions are matched with the mounting clamping grooves to fix the lock tongue shell to the front end of the lock tongue body.
[0014] The utility model further sets up: the one end of mounting protrusion towards lock tongue shell inclines and is provided with the guide surface.
[0015] The utility model further sets up: the upper and lower end surfaces of the front end of the lock tongue body are both provided with two mounting protrusions, and the upper and lower end surfaces of the lock tongue shell are both provided with mounting clamping grooves corresponding to the mounting protrusions.
[0016] The utility model further sets up: the lock tongue body adopts the plastic material quality to make.
[0017] The utility model discloses a door lock lock tongue, which comprises a lock tongue body and a lock tongue shell made of different materials, wherein the front end of the lock tongue shell is matched with the front end of the lock tongue body, mounting protrusions are arranged on the front end of the lock tongue body, mounting clamping grooves matched with the mounting protrusions are arranged on the lock tongue shell, the front end of the lock tongue body is inserted into the lock tongue shell, the mounting protrusions are matched with the mounting clamping grooves, the lock tongue shell is fixed to the front end of the lock tongue body, the lock tongue shell protects the front end of the lock tongue body, the strength of the front end of the lock tongue body is enhanced, and the safety performance of the door lock is ensured.
[0018] Meanwhile, the upper side wall of the lock tongue shell is provided with a plurality of connecting clamping grooves, and the lower side wall of the lock tongue shell is provided with a plurality of connecting clamping blocks protruding upward; the connecting clamping blocks and the connecting clamping grooves are matched one by one, the upper side wall and the lower side wall of the lock tongue shell are connected into an integrated body, the lock tongue shell does not need to be additionally reinforced by riveting rivets, the assembly process of the lock tongue is reduced, and the production cost of the lock tongue is reduced. DRAWINGS
[0019] Fig. 1 It is an application diagram of the utility model of a split type door lock lock tongue;
[0020] Fig. 2 It is a structural schematic diagram of the utility model of a split type door lock lock tongue;
[0021] Fig. 3 It is a structural schematic diagram of the lock tongue body of the utility model of a split type door lock lock tongue;
[0022] Fig. 4 It is a structural schematic diagram of the lock tongue shell of the utility model of a split type door lock lock tongue;
[0023] Explanation of reference signs: 1, lock tongue body; 11, mounting protrusion; 12, guide surface; 2, lock tongue shell; 21, mounting clamping groove; 22, connecting clamping groove; 23, connecting clamping block. DETAILED DESCRIPTION
[0024] Refer to the accompanying Figs. 1 to 4 The utility model discloses a split type door lock lock tongue makes further detailed explanation.
[0025] A split type door lock lock tongue, comprising lock tongue body 1 and lock tongue shell 2 made of different materials, the lock tongue shell 2 is adapted to the front end of lock tongue body 1, wherein the lock tongue shell 2 is obtained by bending and processing an iron plate;
[0026] The upper side wall of the lock tongue shell 2 is provided with two connecting clamping grooves 22, and the two connecting clamping grooves 22 are arranged at the two ends of the upper side wall of the lock tongue shell 2; the lower side wall of the lock tongue shell 2 is provided with two connecting clamping blocks 23 protruding upward, and the two connecting clamping blocks 23 are arranged at the two ends of the lower side wall of the lock tongue shell 2; the connecting clamping blocks 23 and the connecting clamping grooves 22 are matched one by one, the upper side wall and the lower side wall of the lock tongue shell 2 are connected into an integrated body; without the need for additional reinforcement on the lock tongue shell 2 by riveting a rivet, the assembly process of the lock tongue is reduced, and the production cost of the lock tongue is reduced;
[0027] The front end of the lock tongue body 1 is provided with a mounting protrusion 11 protruding outward, and the lock tongue shell 2 is provided with a mounting clamping groove 21 matched with the mounting protrusion 11; the front end of the lock tongue body 1 is arranged in the lock tongue shell 2, the mounting protrusion 11 is matched with the mounting clamping groove 21, so that the lock tongue shell 2 is fixed to the front end of the lock tongue body 1; the lock tongue shell 2 protects the front end of the lock tongue body 1 and enhances the strength of the front end of the lock tongue body 1, so as to ensure the safety performance of the door lock; meanwhile, the lock tongue composed of the lock tongue body 1 and the lock tongue shell 2 made of different materials can reduce the production cost, the weight and the transportation cost of the lock tongue.
[0028] The end of the mounting protrusion 11 towards the lock tongue shell 2 is provided with a guide surface 12, and when assembling the lock tongue, the lock tongue body 1 is inserted into the lock tongue shell 2 under the guidance of the guide surface 12, so as to facilitate the assembly operation.
[0029] The upper and lower end faces of the front end of the lock tongue body 1 are both provided with two mounting protrusions 11, and the upper and lower end faces of the lock tongue shell 2 are both provided with mounting clamping grooves 21 corresponding to the mounting protrusions 11 one by one; the mounting protrusions 11 on the upper and lower end faces of the lock tongue body 1 are matched with the mounting clamping grooves 21 one by one, so that the lock tongue shell 2 is firmly fixed on the lock tongue body 1, and the structural firmness of the lock tongue is improved.
[0030] The lock tongue body 1 is made of plastic material, which reduces the production cost of the lock tongue, effectively reduces the weight of the lock tongue, indirectly reduces the weight of the door lock, and reduces the mailing and transportation cost of the door lock; the lock tongue shell 2 is made of iron or other metal, and is sleeved on the front end of the lock tongue body 1, so as to enhance the strength of the lock tongue and ensure the safety performance of the door lock.
[0031] The preferred embodiments of the utility model are described above, and the protection scope of the utility model is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the utility model belongs to the protection scope of the utility model. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model are also considered as the protection scope of the utility model.
Claims
1. A split-type door lock bolt, characterized in that: The lock tongue body and the lock tongue shell are made of different materials, and the lock tongue shell is matched with the front end of the lock tongue body; The upper side wall of the lock tongue shell is provided with a plurality of connecting clamping grooves, and the lower side wall of the lock tongue shell is provided with a plurality of connecting clamping blocks upwardly protruding; The connecting clamping blocks and the connecting clamping grooves are matched one by one to connect the upper side wall and the lower side wall of the lock tongue shell into an integrated body.
2. The split door lock bolt according to claim 1, characterized in that: The number of the connecting clamping grooves is two, and the two connecting clamping grooves are arranged at the two ends of the upper side wall of the lock tongue shell in a spaced manner. The number of the connecting clamping blocks is two, and the two connecting clamping blocks are arranged at the two ends of the lower side wall of the lock tongue shell in a spaced manner.
3. The split door lock bolt according to claim 2, characterized in that: The lock tongue shell is obtained by bending and processing an iron plate.
4. The split lock bolt according to claim 1 or 2 or 3, characterized in that: The front end of the lock tongue body is outwardly protrudingly provided with a mounting protruding block, and the lock tongue shell is provided with a mounting clamping groove matched with the mounting protruding block. The front end of the lock tongue body is arranged in the lock tongue shell, and the mounting protruding block is matched with the mounting clamping groove to fix the lock tongue shell to the front end of the lock tongue body.
5. The split door lock bolt according to claim 4, wherein: The end of the mounting protruding block towards the lock tongue shell is obliquely provided with a guide surface.
6. The split door lock bolt according to claim 5, wherein: The upper and lower end faces of the front end of the lock tongue body are both provided with two mounting protruding blocks, and the upper and lower end faces of the lock tongue shell are both provided with mounting clamping grooves corresponding to the mounting protruding blocks one by one.
7. The split lock bolt according to claim 1 or 2 or 3, wherein: The lock tongue body is made of plastic material.