A lockable automotive fastener
Patent Information
- Application Number
- CN202522351319.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-06
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2035-11-06
AI Technical Summary
[0006]本实用新型提供一种可锁定的汽车紧固件,解决了传统汽车紧固件依赖螺纹胶或插栓结构锁定,装配后不便拆卸,增加后期维护拆装难度的问题
本实用新型提供一种可锁定的汽车紧固件,为了方便带锁定的汽车紧固件后续拆装,在螺栓结构的外表面开设多排锁定孔,之后在螺母的外表面开设一个带有限位槽的螺纹孔,通过固定螺栓将转动结构、支撑弹簧、活动盘和锁定栓安装在螺纹孔的内部,而活动盘的外表面带有限位块,让限位块在限位槽的内部滑动,可以增加活动盘的稳定性,而锁定栓的另一端有坡形口,可以实现螺母在紧固转动过程中顺利从锁定孔中滑过,而在螺母松开转动时,锁定栓凸出的点就会和锁定孔卡接,实现自锁,在需要拆卸螺母时,只需要将固定螺栓从螺纹孔的内部取出,就可以让锁定栓和锁定孔分离,晚上解锁,通过该设计实现了紧固件拧紧时正常转动,而拧紧后可以实现自锁,增加稳定性,并且在后期拆卸时只需要取下锁定栓就可以实现解锁,操作方便快捷,降低了汽车紧固件后期维护拆卸的难度。
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Figure CN224729901U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive fastener technology, and in particular to a lockable automotive fastener. Background Technology
[0002] Automotive fasteners are core connecting components in automobile manufacturing and assembly. They are mainly used to fix various components such as the car body, engine, chassis, and electronic equipment. Common materials include high-strength steel, aluminum alloy, and stainless steel. Types include bolts, nuts, screws, clips, and rivets. They need to have the characteristics of vibration resistance, corrosion resistance, and strong connection to adapt to the complex working conditions of automobiles during driving. They ensure the assembly accuracy of various components and the stability of the overall vehicle structure. They are basic components that ensure the safe operation of automobiles and extend their service life, and are widely used in the entire automobile production process.
[0003] The core function of automotive fasteners is to connect and fix various components such as the car body, engine, chassis, and electronic equipment. They ensure the stable assembly of each component through reliable locking and must withstand complex working conditions such as vibration, temperature difference, and corrosion during driving. They maintain the integrity of the vehicle structure and assembly accuracy, prevent components from loosening and falling off, and adapt to the connection requirements of different components to ensure the coordinated operation of power transmission, driving control and other systems. They are key basic components that ensure safe driving, improve durability and extend service life of automobiles, and are present throughout the entire process of automobile production and use.
[0004] Traditional automotive fasteners rely on threaded adhesive or bolt structures for locking, which are inconvenient to disassemble after assembly, increasing the difficulty of disassembly and reassembly during later automotive maintenance.
[0005] Therefore, it is necessary to provide a lockable automotive fastener to solve the above-mentioned technical problems. Summary of the Invention
[0006] This invention provides a lockable automotive fastener, which solves the problem that traditional automotive fasteners rely on threaded adhesive or plug structures for locking, making disassembly inconvenient after assembly and increasing the difficulty of disassembly and assembly for later maintenance.
[0007] To solve the above-mentioned technical problems, the lockable automotive fastener provided by this utility model includes: a bolt structure; Multiple rows of locking holes are provided on the outer surface of the bolt structure, and the outer surface of the bolt structure is threaded with nuts. A threaded hole is formed on the outer surface of the nut. Two limiting grooves are formed on the inner surface of the threaded hole. A fixing bolt is threadedly connected inside the threaded hole. One end of the fixing bolt is rotatably connected to a support spring through a rotating structure. A movable plate is installed on the other end of the support spring. Multiple limiting blocks are fixedly connected to the outer surface of the movable plate. A locking bolt with a beveled opening is installed on the other end of the movable plate. The threaded hole penetrates both the inner and outer surfaces of the nut, and the rotating structure allows the support spring and one end of the fixing bolt to be rotatably connected.
[0008] Preferably, the outer surfaces of both the bolt structure and the nut are provided with protective components, and the adjacent sides of both the bolt structure and the nut are equipped with anti-loosening components; Anti-loosening components can increase the anti-loosening effect, while protective components can provide dust and water protection.
[0009] Preferably, the protective component includes a protective sleeve and a socket, wherein the socket is located at one end of the protective sleeve; The shape of the socket corresponds to that of the nut or screw head.
[0010] Preferably, the anti-loosening component includes a mounting ring and a plurality of anti-loosening teeth, the anti-loosening teeth being mounted on one end of the mounting ring.
[0011] Preferably, the bolt structure includes a bolt head and an externally threaded rod, the externally threaded rod being fixed to one end of the bolt head; The screw head and the external threaded rod are integrally formed, and the external threaded rod has threads on its outer surface.
[0012] Preferably, the outer surface of the nut and bolt structure is provided with mounting holes, and each mounting hole is threaded with a connecting bolt. The outer surface of the connecting bolt is threaded.
[0013] Preferably, a monitoring component is installed at the other end of each of the two connecting bolts, and an anti-loosening steel wire is installed between the two monitoring components.
[0014] Preferably, the monitoring component includes a tension monitoring part and a fixing buckle, wherein the tension monitoring part is used to install the fixing buckle onto one end of the connecting bolt.
[0015] Compared with related technologies, the lockable automotive fastener provided by this utility model has the following advantages: This utility model provides a lockable automotive fastener. To facilitate subsequent assembly and disassembly of the locking automotive fastener, multiple rows of locking holes are made on the outer surface of the bolt structure. Then, a threaded hole with a limit groove is made on the outer surface of the nut. The rotating structure, support spring, movable disc, and locking bolt are installed inside the threaded hole by fixing bolts. The outer surface of the movable disc has a limit block, which slides inside the limit groove, increasing the stability of the movable disc. The other end of the locking bolt has a beveled opening, which allows the nut to slide smoothly through the locking hole during tightening and rotation. When the nut is loosened and rotated, the protruding point of the locking bolt will engage with the locking hole to achieve self-locking. When the nut needs to be removed, simply remove the fixing bolt from the inside of the threaded hole to separate the locking bolt from the locking hole and unlock it. This design enables the fastener to rotate normally when tightened and achieve self-locking after tightening, increasing stability. Furthermore, during subsequent disassembly, only the locking bolt needs to be removed to unlock it, making the operation convenient and quick, and reducing the difficulty of disassembly and maintenance of automotive fasteners. Attached Figure Description
[0016] Figure 1 A schematic diagram of the structure of the first embodiment of the lockable automotive fastener provided by this utility model; Figure 2 A structural schematic diagram of the protective sleeve is provided for this utility model; Figure 3 Provided for this utility model Figure 2 An enlarged view of point A shown; Figure 4 Provided for this utility model Figure 2 An enlarged view of point B shown; Figure 5 A schematic diagram of the structure of a second embodiment of the lockable automotive fastener provided by this utility model; Figure 6 Provided for this utility model Figure 5 A magnified view of point C shown.
[0017] The following are the labeling elements in the diagram: 1. Protective component; 101. Protective sleeve; 102. Insert; 2. Bolt structure; 201. Screw head; 202. External threaded rod; 3. Anti-loosening component; 301. Mounting ring; 302. Anti-loosening tooth; 4. Nut; 5. Locking hole; 6. Threaded hole; 7. Limiting groove; 8. Beveled opening; 9. Locking bolt; 10. Movable disc; 11. Support spring; 12. Rotating structure; 13. Fixing bolt; 14. Limiting block; 15. Anti-loosening wire; 16. Monitoring component; 161. Tensile monitoring component; 162. Fixing buckle; 17. Connecting bolt; 18. Mounting hole. Detailed Implementation
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] First Embodiment
[0020] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A schematic diagram of the structure of the first embodiment of the lockable automotive fastener provided by this utility model; Figure 2 A structural schematic diagram of the protective sleeve is provided for this utility model; Figure 3 Provided for this utility model Figure 2 An enlarged view of point A shown; Figure 4 Provided for this utility model Figure 2 The enlarged view at point B is shown. Lockable automotive fasteners include: bolt structure 2; Multiple rows of locking holes 5 are formed on the outer surface of the bolt structure 2, and the outer surface of the bolt structure 2 is threaded with nuts 4. A threaded hole 6 is formed on the outer surface of the nut 4. Two limiting grooves 7 are formed on the inner surface of the threaded hole 6. A fixing bolt 13 is threadedly connected inside the threaded hole 6. One end of the fixing bolt 13 is rotatably connected to a support spring 11 through a rotating structure 12. A movable disc 10 is installed on the other end of the support spring 11. Multiple limiting blocks 14 are fixedly connected to the outer surface of the movable disc 10. A locking bolt 9 with a beveled opening 8 is installed on the other end of the movable disc 10. The threaded hole 6 penetrates the inner and outer surfaces of the nut 4. The rotating structure 12 allows one end of the support spring 11 and the fixing bolt 13 to be rotatably connected. The limiting block 14 slides inside the limiting groove 7. The beveled opening 8 is inclined, with the inclined surface facing the tightening direction of the nut 4.
[0021] Please refer to Figure 1 and Figure 2 The outer surfaces of the bolt structure 2 and the nut 4 are provided with protective components 2, and the adjacent sides of the bolt structure 2 and the nut 4 are each provided with anti-loosening components 3. Anti-loosening component 3 can increase the anti-loosening effect, and protective component 2 can provide dustproof and waterproof effects.
[0022] Please refer to Figure 1 and Figure 2 The protective component 1 includes a protective sleeve 101 and a socket 102, wherein the socket 102 is located at one end of the protective sleeve 101; The shape of the socket 102 corresponds to that of the nut 4 or the screw head 201.
[0023] Please refer to Figure 2 and Figure 4The anti-loosening component 3 includes an mounting ring 301 and a plurality of anti-loosening teeth 302, wherein the anti-loosening teeth 302 are mounted on one end of the mounting ring 301; The anti-loosening component 3 is in contact with one end of the bolt structure 2 or the nut 4.
[0024] Please refer to Figure 1 and Figure 2 The bolt structure 2 includes a screw head 201 and an external threaded rod 202, wherein the external threaded rod 202 is fixed to one end of the screw head 201; The screw head 201 and the external thread rod 202 are integrally formed, and the external thread rod 202 has threads on its outer surface.
[0025] The working principle of the lockable automotive fastener provided by this utility model is as follows: Multiple rows of locking holes 5 are made on the outer surface of the bolt structure 2. Then, a threaded hole 6 with a limit groove 7 is made on the outer surface of the nut 4. The rotating structure 12, the support spring 11, the movable plate 10 and the locking bolt 9 are installed inside the threaded hole 6 by the fixing bolt 13. The outer surface of the movable plate 10 has a limit block 14, which allows the limit block 14 to slide inside the limit groove 7, which can increase the stability of the movable plate 10. The other end of the locking bolt 9 has a beveled opening 8, which allows the nut 4 to slide smoothly through the locking hole 5 during the tightening and rotation process. When the nut 4 is loosened and rotated, the protruding point of the locking bolt 9 will engage with the locking hole 5 to achieve self-locking. When the nut 4 needs to be removed, the fixing bolt 13 can be removed from the inside of the threaded hole 6 to separate the locking bolt 9 from the locking hole 5 and unlock it.
[0026] Compared with related technologies, the lockable automotive fastener provided by this utility model has the following advantages: To facilitate subsequent installation and removal of the locking automotive fasteners, multiple rows of locking holes 5 are made on the outer surface of the bolt structure 2. Then, a threaded hole 6 with a limiting groove 7 is made on the outer surface of the nut 4. The rotating structure 12, support spring 11, movable disc 10, and locking bolt 9 are installed inside the threaded hole 6 using fixing bolts 13. The outer surface of the movable disc 10 has a limiting block 14, which slides within the limiting groove 7, increasing the stability of the movable disc 10. The other end of the locking bolt 9 has a beveled opening 8, allowing the nut 4 to rotate during tightening. During the process, it smoothly slides through the locking hole 5. When the nut 4 is loosened and rotated, the protruding point of the locking bolt 9 will engage with the locking hole 5 to achieve self-locking. When the nut 4 needs to be removed, simply remove the fixing bolt 13 from the inside of the threaded hole 6 to separate the locking bolt 9 from the locking hole 5 and unlock it. This design enables the fastener to rotate normally when tightened and to achieve self-locking after tightening, increasing stability. Furthermore, during later disassembly, only the locking bolt 9 needs to be removed to unlock it. The operation is convenient and quick, reducing the difficulty of disassembling and maintaining automotive fasteners in the later stages.
[0027] Second Embodiment
[0028] Please refer to the following: Figures 5-6 , Figure 5 A schematic diagram of the structure of a second embodiment of the lockable automotive fastener provided by this utility model; Figure 6 Provided for this utility model Figure 5 The enlarged view at point C shows a lockable automotive fastener based on the first embodiment of this application. The second embodiment of this application proposes another lockable automotive fastener. The second embodiment is merely a preferred embodiment of the first embodiment, and its implementation will not affect the independent implementation of the first embodiment.
[0029] Specifically, the lockable automotive fastener provided in the second embodiment of this application differs in that, please refer to... Figure 5 and Figure 6 The outer surfaces of the nut 4 and bolt structure 2 are provided with mounting holes 18, and the interior of each mounting hole 18 is threaded with a connecting bolt 17; The outer surface of the connecting bolt 17 is threaded.
[0030] Please refer to Figure 5 and Figure 6 The other end of each of the two connecting bolts 17 is equipped with a monitoring component 16, and an anti-loosening steel wire 15 is installed between the two monitoring components 16. The monitoring component 16 monitors changes in tensile force through a tensile force monitoring sensor.
[0031] Please refer to Figure 5 and Figure 6The monitoring component 16 includes a tensile monitoring component 161 and a fixing buckle 162. The tensile monitoring component 161 is used to install the fixing buckle 162 onto one end of the connecting bolt 17. The two ends of the fixing buckle 162 and the anti-loosening steel wire 15 are connected.
[0032] Compared with related technologies, the lockable automotive fastener provided by this utility model has the following advantages: In order to monitor whether there is any loosening between the nut 4 and the bolt structure 2 in real time, monitoring components 16 are installed on the outer surfaces of the nut 4 and the bolt structure 2 by connecting bolts 17. Then, the two monitoring components 16 are connected by anti-loosening steel wires 15. If the nut 4 and the bolt structure 2 become loose during the operation of the vehicle, the anti-loosening steel wires 15 will apply tension to the monitoring components 16, so that the monitoring components 16 can monitor whether the nut 4 and the bolt structure 2 are loose.
[0033] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A lockable automotive fastener, characterized in that, include: Bolted structure; Multiple rows of locking holes are provided on the outer surface of the bolt structure, and the outer surface of the bolt structure is threaded with nuts. A threaded hole is formed on the outer surface of the nut. Two limiting grooves are formed on the inner surface of the threaded hole. A fixing bolt is threadedly connected inside the threaded hole. One end of the fixing bolt is rotatably connected to a support spring through a rotating structure. A movable plate is installed on the other end of the support spring. Multiple limiting blocks are fixedly connected to the outer surface of the movable plate. A locking bolt with a beveled opening is installed on the other end of the movable plate.
2. The lockable automotive fastener according to claim 1, characterized in that, The outer surfaces of both the bolt structure and the nut are provided with protective components, and anti-loosening components are installed on the adjacent sides of both the bolt structure and the nut.
3. The lockable automotive fastener according to claim 2, characterized in that, The protective component includes a protective sleeve and a socket, with the socket located at one end of the protective sleeve.
4. The lockable automotive fastener according to claim 2, characterized in that, The anti-loosening component includes a mounting ring and a plurality of anti-loosening teeth, the anti-loosening teeth being mounted on one end of the mounting ring.
5. The lockable automotive fastener according to claim 1, characterized in that, The bolt structure includes a bolt head and an externally threaded rod, the externally threaded rod being fixed to one end of the bolt head.
6. The lockable automotive fastener according to claim 1, characterized in that, The outer surface of the nut and bolt structure is provided with mounting holes, and each mounting hole is threaded with a connecting bolt.
7. The lockable automotive fastener according to claim 6, characterized in that, A monitoring component is installed at the other end of each of the two connecting bolts, and an anti-loosening steel wire is installed between the two monitoring components.
8. The lockable automotive fastener according to claim 7, characterized in that, The monitoring component includes a tension monitoring part and a fixing buckle, wherein the tension monitoring part is used to install the fixing buckle onto one end of the connecting bolt.