Anti-loose and anti-theft bolt
The specialized screw design with interlocking mechanisms and anti-theft features addresses the loosening and theft issues of conventional screws, ensuring stable connections in vibrating environments.
Patent Information
- Application Number
- CN202422553430.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-10-22
AI Technical Summary
Existing anti-theft bolts and anti-loose bolts are prone to loosening in harsh environments, and ordinary bolts are prone to stolen, lacking anti-theft function.
An anti-loosening and anti-theft bolt is designed to achieve a stable connection of the bolt through the combination of the bolt head with a special structure and the rotating circular ring, threaded rod, moving ring and restricted spring in the rod body, and prevent disassembly through special tools and spring structures.
Maintain a stable connection in a vibrating environment, prevent loosening, and difficult to disassemble by non-specific tools, and has anti-theft function.
Smart Images
Figure CN223104996U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bolts, in particular to an anti-loosening and anti-theft bolt. Background Technique
[0002] The background technique of an anti-loosening and anti-theft bolt mainly involves the problems existing in the existing anti-theft bolts and anti-loosening bolts, as well as the design and implementation of new bolts. The existing anti-theft bolts usually adopt special-shaped openings, such as flat-head anti-theft bolts and coach anti-theft bolts. Their main purpose is to make the bolts impossible to be removed after being tightened, so as to play an anti-theft role. However, these bolts are usually relatively expensive and do not have the function of anti-loosening. The anti-loosening bolts achieve the purpose of anti-loosening through methods such as applying glue, using serrated washers, nylon nuts, expansion bolts, and welding. However, these methods may still loosen under harsh environments. An anti-loosening and anti-theft bolt is a bolt with a special design, which is used to prevent the bolt from loosening when vibrating or being subjected to external forces, and at the same time has the function of anti-theft. This kind of bolt usually consists of a head with a special shape and a matching special wrench, and only a specific wrench can be used to tighten or loosen the bolt.
[0003] In the fields of machinery, construction and many other fields, bolts are commonly used connecting components; most of the existing hexagonal bolts or nuts are easily disassembled by ordinary tools, and may gradually loosen in a vibrating environment, which may cause problems in the connection of mechanical structures and do not have the function of anti-theft; therefore, we propose an anti-loosening and anti-theft bolt to solve this problem. Content of the Utility Model
[0004] The purpose of the utility model is to provide an anti-loosening and anti-theft bolt to solve the problems raised in the above background technique.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] An anti-loosening and anti-theft bolt includes: a bolt main body rod, a bolt head is fixedly installed at the top end of the bolt main body rod, a rotating circular ring is rotatably installed inside the bolt head, a threaded rod is fixedly installed at the bottom end of the rotating circular ring, the threaded rod is rotatably installed inside the bolt main body rod, two moving circular rings are threadedly connected to the threaded rod, two threaded grooves with opposite helix directions are opened on the threaded rod, a plurality of rotating circular blocks are fixedly installed on the outer side of the moving circular ring, the same rotating connecting rod is rotatably installed between two adjacent rotating circular blocks, a rotating circular block is rotatably installed on the rotating connecting rod, and a moving push plate is fixedly installed on one side of two rotating circular blocks located on the same side. A limiting sliding hole matching the moving push plate is opened on the bolt main body rod, and the moving push plate is slidably installed in the limiting sliding hole.
[0007] Preferably, a fixed cone ring is sleeved outside the main rod of the bolt, and an installation round cap is sleeved outside the bolt head. A plurality of limiting insertion plates are fixedly installed at the bottom end of the installation round cap. A rotating ring is rotatably installed on the fixed cone ring, and a sealing slot matching the limiting insertion plate is formed on the rotating ring.
[0008] Preferably, a cap nut is threadedly connected to the main rod of the bolt. A limiting round cover is fixedly installed at the bottom end of the cap nut. A limiting round groove is formed on the limiting round cover, and a plurality of limiting snap rings are arranged in the limiting round groove. A limiting groove matching the bottom of the main rod of the bolt is formed on the limiting round cover.
[0009] Preferably, a first rotating rod and a second rotating rod are fixedly installed on both sides of the rotating connecting rod. A rotating concave hole matching the first rotating rod is formed on the rotating round block, and a rotating concave hole matching the second rotating rod is formed on the rotating round block.
[0010] Preferably, a limiting groove matching the bolt head is formed at the bottom end of the installation round cap, and a rotating ring groove matching the rotating ring is formed on the fixed cone ring.
[0011] Preferably, a moving groove is formed on the rotating circular ring, and a circular hole matching the main rod of the bolt is formed on the fixed cone ring.
[0012] In the present utility model, for the anti-loosening and anti-theft bolt, the fixed cone ring is sleeved outside the main rod of the bolt, and then the main rod of the bolt is installed into the threaded hole at the designated position and connected through the thread formed on the outside of the main rod of the bolt. The rotating circular ring rotatably installed inside the bolt head is driven to rotate by a flat screwdriver, so that the rotating circular ring drives the threaded rod fixedly installed at its bottom end to rotate, and the threaded rod drives the two moving rings threadedly connected thereto to move. Since two thread grooves with opposite helix directions are formed on the threaded rod, the two moving rings will approach each other while the threaded rod rotates. At the same time, when the two moving rings approach each other, a plurality of rotating round blocks fixedly installed on the outside of the moving rings will be driven to move together. The rotating round blocks will drive the rotating connecting rod rotatably installed thereon to move, and the other end of the rotating connecting rod is rotatably installed with a rotating round block;
[0013] In the present utility model, for the described anti-loosening and anti-theft bolt, through the cooperation of the corresponding rotating circular block and the rotating circular block, when the rotating circular block drives the rotating connecting rod to move, the moving push plate fixedly installed on one side of the two rotating circular blocks on the same side is moved, so that the moving push plate moves out from the limiting sliding hole opened on the bolt main body rod, thereby supporting and strengthening the threaded hole to prevent the bolt from loosening accidentally. Subsequently, by sleeving the installation round cap on the outside of the bolt head, and at the same time inserting a plurality of limiting insertion plates fixedly installed at the bottom end of the installation round cap into the insertion holes opened on the rotating circular ring rotatably installed in the fixed conical ring for limitation. Then, the bottom end of the bolt main body rod is rotatably installed with a cap nut, and the limiting round cover fixedly installed at its bottom end and a plurality of limiting clamping springs arranged in the limiting round cover cooperate for limitation, and the installation round cap and the cap nut cooperate to prevent theft.
[0014] The structure of the present utility model is reasonably designed. Through the cooperation of the structure designed in the bolt main body rod and the limiting clamping spring structure, long-term stable fastening is ensured, and it is not easy to loosen even in a vibrating environment. The shape of the installation round cap is semi-circular, and the special shape and the structure in the bolt main body rod make it difficult to disassemble without specific tools. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional structural schematic diagram of an anti-loosening and anti-theft bolt proposed by the present utility model;
[0016] Figure 2 is a structural exploded view of an anti-loosening and anti-theft bolt proposed by the present utility model;
[0017] Figure 3 is a partial structural cross-sectional view of an anti-loosening and anti-theft bolt proposed by the present utility model;
[0018] Figure 4 is a partial structural exploded view of an anti-loosening and anti-theft bolt proposed by the present utility model.
[0019] In the figure: 1, bolt main body rod; 2, installation round cap; 3, fixed conical ring; 4, cap nut; 5, limiting round cover; 6, moving push plate; 7, bolt head; 8, rotating circular ring; 9, limiting insertion plate; 10, rotating circular ring; 11, limiting clamping spring; 12, threaded rod; 13, moving circular ring; 14, rotating circular block; 15, rotating connecting rod; 16, rotating circular block; 17, rotating rod one; 18, rotating rod two. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0021] Reference Figures 1-4 ,A lock - preventing and theft - preventing bolt, comprising: a bolt main body rod 1, a bolt head 7 is fixedly installed at the top end of the bolt main body rod 1, a rotating circular ring 8 is rotatably installed inside the bolt head 7, a threaded rod 12 is fixedly installed at the bottom end of the rotating circular ring 8, the threaded rod 12 is rotatably installed inside the bolt main body rod 1, two moving rings 13 are threadedly connected to the threaded rod 12, two threaded grooves with opposite helix directions are provided on the threaded rod 12, a plurality of rotating circular blocks 14 are fixedly installed on the outer side of the moving ring 13, the same rotating connecting rod 15 is rotatably installed between two adjacent rotating circular blocks 14, a rotating circular block 16 is rotatably installed on the rotating connecting rod 15, a same moving push plate 6 is fixedly installed on one side of two rotating circular blocks 16 on the same side, a limiting sliding hole matching with the moving push plate 6 is provided on the bolt main body rod 1, and the moving push plate 6 is slidably installed inside the limiting sliding hole.
[0022] In this embodiment, a fixed cone ring 3 is sleeved outside the bolt main body rod 1, an installation round cap 2 is sleeved outside the bolt head 7, a plurality of limiting insertion plates 9 are fixedly installed at the bottom end of the installation round cap 2, a rotating ring 10 is rotatably installed on the fixed cone ring 3, a sealing slot matching with the limiting insertion plate 9 is provided on the rotating ring 10, the installation round cap 2 is semi - circular, this shape is not easily stressed, so as to better perform including preventing theft, and a plurality of limiting insertion plates 9 will be inserted into the rotating ring 10 for secondary reinforcement.
[0023] In this embodiment, a cap - shaped nut 4 is threadedly connected to the bolt main body rod 1, a limiting round cover 5 is fixedly installed at the bottom end of the cap - shaped nut 4, a limiting round groove is provided on the limiting round cover 5, a plurality of limiting clamping springs 11 are arranged inside the limiting round groove, and a limiting groove matching with the bottom of the bolt main body rod 1 is provided on the limiting round cover 5 to provide additional fastening force and enhance the anti - theft effect.
[0024] In this embodiment, a first rotating rod 17 and a second rotating rod 18 are fixedly installed on both sides of the rotating connecting rod 15, a rotating concave hole matching with the first rotating rod 17 is provided on the rotating circular block 16, and a rotating concave hole matching with the second rotating rod 18 is provided on the rotating circular block 14 to ensure that the rotating connecting rod 15 can stably connect the rotating circular block 14 and the rotating circular block 16.
[0025] In this embodiment, a limiting groove matching with the bolt head 7 is provided at the bottom end of the installation round cap 2, a rotating ring groove matching with the rotating ring 10 is provided on the fixed cone ring 3 for better installation, a moving groove is provided on the rotating circular ring 8, and a circular hole matching with the bolt main body rod 1 is provided on the fixed cone ring 3 to enable it to cooperate with the limiting insertion plate 9 smoothly.
[0026] In this embodiment, during use, the fixed cone ring 3 is sleeved outside the main bolt rod 1. Then, the main bolt rod 1 is installed into the threaded hole at the designated position and connected through the threads provided on the outside of the main bolt rod 1. By using a flat screwdriver to drive the rotation of the rotary circular ring 8 rotatably installed in the bolt head 7, the rotary circular ring 8 drives the threaded rod 12 fixedly installed at its bottom end to rotate. The threaded rod 12 drives the two moving rings 13 threadedly connected thereto to move. Since two threaded grooves with opposite helix directions are provided on the threaded rod 12, the two moving rings 13 will approach each other while the threaded rod 12 rotates. At the same time, when the two moving rings 13 approach each other, they will drive a plurality of rotating circular blocks 14 fixedly installed on the outside of the moving rings 13 to move together. The rotating circular blocks 14 will drive the rotating connecting rods 15 rotatably installed thereon to move. The other end of the rotating connecting rod 15 is rotatably installed with a rotating circular block 16. Through the cooperation of the corresponding rotating circular blocks 14 and the rotating circular blocks 16, when the rotating circular blocks 14 drive the rotating connecting rods 15 to move, the moving push plate 6 fixedly installed on one side of the two rotating circular blocks 16 on the same side is moved, and the moving push plate 6 is moved out of the limiting sliding hole provided on the main bolt rod 1, so as to support and reinforce the threaded hole and prevent the bolt from loosening accidentally. Subsequently, the mounting round cap 2 is sleeved outside the bolt head 7, and at the same time, a plurality of limiting insertion plates 9 fixedly installed at the bottom end of the mounting round cap 2 are inserted into the insertion holes provided on the rotary ring 10 rotatably installed in the fixed cone ring 3 for limitation. The bottom end of the main bolt rod 1 is rotatably installed with a cap nut 4, and the limiting round cover 5 fixedly installed at the bottom end of the cap nut 4 and a plurality of limiting snap rings 11 provided in the limiting round cover 5 cooperate for limitation. The cooperation of the mounting round cap 2 and the cap nut 4 is used for anti-theft.
[0027] The above has introduced in detail a loosening-proof and theft-proof bolt provided by the present utility model. Specific embodiments are used herein to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.
Claims
1. A lock - preventing and theft - preventing bolt, characterized in that, Including: A bolt main body rod (1), at the top of the bolt main body rod (1), a bolt head (7) is fixedly installed. Inside the bolt head (7), a rotating circular ring (8) is rotatably installed. At the bottom end of the rotating circular ring (8), a threaded rod (12) is fixedly installed. The threaded rod (12) is rotatably installed inside the bolt main body rod (1). On the threaded rod (12), two moving circular rings (13) are threadedly connected. On the threaded rod (12), two threaded grooves with opposite helix directions are provided. On the outer side of the moving circular ring (13), a plurality of rotating circular blocks (14) are fixedly installed. Between two adjacent rotating circular blocks (14), the same rotating connecting rod (15) is rotatably installed. On the rotating connecting rod (15), a rotating circular block (16) is rotatably installed. On one side of two rotating circular blocks (16) on the same side, the same moving push plate (6) is fixedly installed. On the bolt main body rod (1), a limiting sliding hole matching the moving push plate (6) is provided. The moving push plate (6) is slidably installed in the limiting sliding hole.
2. The anti-loosening and anti-theft bolt according to claim 1, characterized in that, A fixed conical ring (3) is sleeved outside the bolt main body rod (1). An installation round cap (2) is sleeved outside the bolt head (7). At the bottom end of the installation round cap (2), a plurality of limiting insertion plates (9) are fixedly installed. On the fixed conical ring (3), a rotating circular ring (10) is rotatably installed. On the rotating circular ring (10), a sealing slot matching the limiting insertion plate (9) is provided.
3. The anti-loosening and anti-theft bolt according to claim 1, characterized in that, A cap nut (4) is threadedly connected to the bolt main body rod (1). At the bottom end of the cap nut (4), a limiting round cover (5) is fixedly installed. On the limiting round cover (5), a limiting round groove is provided. Inside the limiting round groove, a plurality of limiting snap rings (11) are arranged. On the limiting round cover (5), a limiting groove matching the bottom of the bolt main body rod (1) is provided.
4. The anti-loosening and anti-theft bolt according to claim 1, characterized in that, On both sides of the rotating connecting rod (15), a first rotating rod (17) and a second rotating rod (18) are fixedly installed respectively. On the rotating circular block (16), a rotating concave hole matching the first rotating rod (17) is provided. On the rotating circular block (14), a rotating concave hole matching the second rotating rod (18) is provided.
5. The anti-loosening and anti-theft bolt according to claim 2, characterized in that, At the bottom end of the installation round cap (2), a limiting groove matching the bolt head (7) is provided. On the fixed conical ring (3), a rotating ring groove matching the rotating circular ring (10) is provided.
6. The anti-loosening and anti-theft bolt according to claim 2, wherein On the rotating circular ring (8), a moving groove is provided. On the fixed conical ring (3), a circular hole matching the bolt main body rod (1) is provided.