High-temperature-resistant automobile fastener

Abstract

The utility model discloses a high temperature resistant automobile fastener, and particularly relates to the technical field of automobile parts, the high temperature resistant automobile fastener comprises a fastener body, a positioning plate fixedly extends from the top of the fastener body, a positioning screw column is transversely inserted into the positioning plate, the positioning screw column transversely penetrates through the two positioning plates, and then the fastener body is fixed; the outer surface of the positioning screw column is provided with an external thread, the external thread is arranged around the positioning screw column, the outer side of the positioning screw column is evenly provided with positioning holes, and the fastener is excellent in high temperature resistance and looseness prevention performance. The base body and the high-temperature-resistant and anti-oxidation sheet are arranged from inside to outside, so that heat can be resisted, material softening can be prevented, surface oxidation can be resisted, the service life is prolonged, and the safety of the automobile is guaranteed. In the anti-loosening aspect, the positioning screw column is provided with the positioning hole, the fastening nut is provided with the positioning screw hole, the pin bolt penetrates through the positioning anti-loosening gasket and the protruding piece of the gasket to make contact with the clamping ring for stability enhancement, disassembly is convenient, cost is reduced, and efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and more specifically, to a high-temperature resistant automotive fastener. Background Technology

[0002] In the process of automobile manufacturing and operation, the safety and reliability of automobiles, as a means of transportation in life, are of paramount importance. In automobile production, some parts need to be fastened, and one of the commonly used fasteners is the hose clamp, which is an ideal connecting fastener.

[0003] A search revealed that patent publication number CN213117062U discloses an anti-corrosion fastener for automobiles, including a stud head with a stud welded to the bottom. The stud has threads on its outer surface, which engage with the inner threads of a nut. The nut is threaded to a bolt, and a rust-proof washer slides between the nut and the stud head. By installing a rust-proof cap made of stainless steel and galvanized layers on the stud head, it is beneficial to prevent the stud head from rusting in humid environments, thus preventing it from affecting the fastening effect of the connector. At the same time, the galvanized layer inside the rust-proof cap can also delay the rusting process and improve the service life of the bolt.

[0004] In the engine compartment of a car, some special pipes are fastened. Due to long-term exposure to high temperatures, the material properties of these pipes will gradually deteriorate. This will not only reduce the strength of the fasteners and affect the safety and reliability of the overall structure of the car, but may even lead to safety accidents in severe cases. At the same time, the fasteners in the engine compartment of a car often need to be positioned and tightened with bolts. However, the vehicle will be subjected to external forces such as vibration and impact during driving. This requires the positioning bolts to have good anti-loosening performance to prevent the fasteners from loosening during use.

[0005] Therefore, a high-temperature resistant automotive fastener is proposed to address the above problems. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a high-temperature resistant automotive fastener to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a high-temperature resistant automotive fastener, comprising a fastener body, a positioning plate fixedly extending from the top of the fastener body, a positioning screw inserted into the upper side of the positioning plate, the positioning screw being inserted into the positioning plate by means of threaded insertion, the outer surface of the positioning screw being provided with external threads, and positioning holes being provided equidistantly along the positioning screw between the threads of the external threads, when the positioning screw penetrates the positioning plate, a fastening nut is fitted on the outer side of the positioning screw, the fastening nut is tightened along the thread direction of the positioning screw, so that the fastening nut is tightly fitted with the surface of the positioning plate, a washer is fixedly installed at one end of the fastening nut, a positioning screw hole is opened on the outer edge of the fastening nut, and a pin bolt is installed in the internal thread of the positioning screw hole, the fastener body, starting from its internal structure, is provided with a base, a high-temperature resistant ring and an anti-oxidation sheet in sequence from the inside to the outside.

[0008] Preferably, the substrate is tightly fitted onto the outer surface of the fastener body, the high-temperature resistant ring is uniformly covered on the outer surface of the substrate, the thickness of the high-temperature resistant ring is 0.1-0.3mm, and the anti-oxidation sheet is wrapped around the outer surface of the high-temperature resistant ring, the thickness of the anti-oxidation sheet is 0.01-0.15mm.

[0009] Preferably, a retaining ring is sleeved on the outer side of the positioning screw, and a fixing plate is evenly fixedly installed on the upper side of the retaining ring, with one side of the retaining ring in contact with the side wall of the positioning plate.

[0010] Preferably, the inner diameter surface of the fastening nut is provided with an internal thread structure that matches the external thread on the positioning screw. The two are tightly engaged by the threads, so that the fastening nut can tighten or loosen the two positioning plates when it moves.

[0011] Preferably, the washer has a protrusion on the side near the retaining ring. When the washer is rotated and installed with the fastening nut on the outside of the positioning screw, the protrusion comes into close contact with one side of the retaining ring as it rotates.

[0012] Preferably, when the fastening nut is rotated to the appropriate position, a pin bolt is inserted into the positioning screw hole to achieve a threaded connection between the pin bolt and the positioning screw hole. After the pin bolt passes through the positioning screw hole, it will be inserted into the positioning hole, which is used to position the fastening nut on the outside of the positioning screw.

[0013] Preferably, the fastener body has a removable anti-slip plate installed inside, and the inner wall of the anti-slip plate is provided with anti-slip texture.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] Compared with existing technologies, this high-temperature resistant automotive fastener features a base, a high-temperature resistant ring, and an anti-oxidation sheet arranged sequentially from the inside out. The high-temperature resistant ring effectively resists high-temperature environments, preventing excessive heat transfer to the fastener's interior and causing material softening. The anti-oxidation sheet prevents surface oxidation of the fastener at high temperatures, ensuring its long-term stable operation in high-temperature conditions such as engine compartments. This significantly extends the fastener's service life and guarantees the safety and reliability of the vehicle.

[0016] Compared with existing technologies, this high-temperature resistant automotive fastener features a unique anti-loosening design. It incorporates locating holes evenly spaced on the outer side of the locating screw post and locating screw holes on the outer side of the fastening nut. When the fastening nut is rotated to the appropriate position, the pin bolt is inserted into the locating screw hole, passing through it before being inserted into the locating hole. This achieves precise positioning of the fastening nut on the outer side of the locating screw post, effectively preventing loosening due to vibrations during vehicle operation. Furthermore, a raised piece is provided on one side of the fastening nut. As the fastening nut rotates, the raised piece makes tight contact with the retaining ring, further enhancing the anti-loosening effect. In addition, this anti-loosening design is structurally sound; when the fastener needs to be disassembled, simply unscrewing the pin bolt allows for easy removal of the fastening nut, reducing maintenance difficulty and cost, and improving maintenance efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the right-side structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the structure of the wire column of this utility model.

[0020] Figure 4 This is a schematic diagram of the retaining ring structure of this utility model.

[0021] Figure 5 This is a front view structural diagram of the present invention.

[0022] Figure 6 This is a front view structural diagram of the present invention.

[0023] Figure 7 This is a schematic diagram of the outer coating structure of the fastener body of this utility model.

[0024] The attached diagram is labeled as follows: 1. Fastener body; 2. Positioning plate; 3. Positioning screw; 4. External thread; 5. Positioning hole; 6. Snap ring; 7. Fixing piece; 8. Fastening nut; 9. Washer; 10. Protruding piece; 11. Positioning screw hole; 12. Pin bolt; 13. Anti-slip piece; 14. Anti-slip texture; 15. Base; 16. High temperature resistant ring; 17. Anti-oxidation piece. Detailed Implementation

[0025] 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. Example

[0026] As attached Figures 1 to 7 A high-temperature resistant automotive fastener is shown, comprising a fastener body 1, characterized in that: a positioning plate 2 is fixedly extended from the top of the fastener body 1, a positioning screw 3 is inserted into the upper side of the positioning plate 2, the positioning screw 3 is inserted into the positioning plate 2 by means of threaded insertion, the outer surface of the positioning screw 3 is provided with external threads 4, and positioning holes 5 are provided at equal intervals along the positioning screw 3 between the threads of the external threads 4, when the positioning screw 3 penetrates the positioning plate 2, a fastening nut 8 is sleeved on the outer side of the positioning screw 3, the fastening nut 8 is tightened along the thread direction of the positioning screw 3, so that the fastening nut 8 is tightly fitted with the surface of the positioning plate 2, a washer 9 is fixedly installed at one end of the fastening nut 8, a positioning screw hole 11 is opened on the outer edge of the fastening nut 8, and a pin bolt 12 is installed in the internal thread of the positioning screw hole 11, and the fastener body 1, starting from its internal structure, is provided with a base 15, a high-temperature resistant ring 16 and an anti-oxidation sheet 17 in sequence from the inside to the outside.

[0027] The positioning plate 2 provides a reliable positioning reference for the installation of fasteners and other components, ensuring accurate installation. A positioning stud 3 is inserted into the upper side of the positioning plate 2 via a threaded connection. This threaded connection method is not only convenient to install but also ensures the stability and reliability of the connection, effectively resisting the risk of loosening due to vibration during vehicle operation. The outer surface of the positioning stud 3 has external threads 4, and positioning holes 5 are equidistantly arranged along the positioning stud 3 between the threads of the external threads 4. After the positioning stud 3 penetrates the positioning plate 2, a fastening nut 8 is fitted onto its outer side, and the fastening nut 8 is tightened along the thread direction of the positioning stud 3. It fits tightly against the surface of the positioning plate 2, thereby achieving reliable fastening of the positioning plate 2. A washer 9 is fixedly installed at one end of the fastening nut 8. The washer 9 can increase the contact area, distribute the pressure, and prevent the fastening nut 8 from damaging the surface of the positioning plate 2 during the fastening process. A positioning screw hole 11 is opened on the outer edge of the fastening nut 8. A pin bolt 12 is installed in the internal thread of the positioning screw hole 11. After the fastening nut 8 is tightened to the position, the pin bolt 12 is screwed into the positioning screw hole 11 and inserted into the positioning hole 5, which can effectively prevent the fastening nut 8 from loosening. Starting from the internal structure, the fastener body 1 is provided with a base 15, a high temperature resistant ring 16 and an anti-oxidation sheet 17 from the inside to the outside to enhance its performance and durability. Example

[0028] Based on Embodiment 1, the solution in Embodiment 1 will be further described in detail below with reference to the specific working method, such as... Figures 1 to 7 As shown below, see details:

[0029] In a preferred embodiment, the base 15 is tightly fitted onto the outer surface of the fastener body 1, providing a solid mechanical support foundation for the entire fastener. The high-temperature resistant ring 16 is uniformly covered on the outer surface of the base 15. The thickness of the high-temperature resistant ring 16 is 0.1-0.3mm, which can effectively block high temperature and prevent excessive heat transfer from affecting the performance of the fastener. The anti-oxidation sheet 17 is wrapped around the outer surface of the high-temperature resistant ring 16. The thickness of the anti-oxidation sheet 17 is 0.05-0.15mm, which can resist external oxidation and extend the service life of the fastener.

[0030] In a preferred embodiment, a retaining ring 6 is fitted onto the outer side of the positioning screw post 3. Fixing plates 7 are evenly fixedly installed on the upper side of the retaining ring 6, and one side of the retaining ring 6 contacts the side wall of the positioning plate 2. The retaining ring 6, made of high-strength metal, is precisely fitted onto the outer side of the positioning screw post 3, and its inner diameter matches the outer diameter of the positioning screw post 3 for a tight fit. Multiple fixing plates 7 are evenly fixedly installed on the upper side of the retaining ring 6 by welding. The fixing plates 7 are thin and regularly distributed. When installed in place, one side of the retaining ring 6 is in close contact with the side wall of the positioning plate 2, serving as a limit and preventing unnecessary displacement of the positioning screw post 3 on the positioning plate 2.

[0031] In a preferred embodiment, the inner wall of the fastening nut 8 is provided with an internal thread structure that matches the external thread 4 at the corresponding position of the positioning screw 3. The two are tightly engaged by the thread. When the fastening nut 8 is rotated manually or with the help of a tool, its internal thread meshes with the external thread 4 of the positioning screw 3, causing the fastening nut 8 to move axially along the positioning screw 3. When the fastening nut 8 moves, the tightness of the two positioning plates 2 is adjusted. As the fastening nut 8 moves, the compressive force on the two positioning plates 2 can be changed, thereby adjusting the tightness of the connection between the two positioning plates 2.

[0032] In a preferred embodiment, a protruding piece 10 is provided on the side of the gasket 9 near the retaining ring 6. The protruding piece 10 is partially stamped from the surface of the gasket 9 by a stamping process and is tightly connected to the main body of the gasket 9. During the installation process of the gasket 9 rotating with the fastening nut 8 on the outside of the positioning screw 3, the protruding piece 10 will gradually come into close contact with the side near the retaining ring 6. As the tightening operation is carried out, it plays a limiting role, preventing the gasket 9 from being over-tightened and ensuring that the installation position is accurate and stable.

[0033] In a preferred embodiment, when the fastening nut 8 is rotated to the appropriate position, a positioning operation is required. A pin bolt 12 is inserted into the positioning screw hole 11 to achieve a threaded connection between the pin bolt 12 and the positioning screw hole 11. The threaded pin bolt 12 is inserted into the positioning screw hole 11, and by rotating, a firm threaded connection is achieved between the pin bolt 12 and the positioning screw hole 11. After the pin bolt 12 passes through the positioning screw hole 11, it will be inserted into the positioning hole 5 to position the fastening nut 8 on the outside of the positioning screw hole 3. After the pin bolt 12 continues to be screwed in and passes through the positioning screw hole 11, its end will be accurately inserted into the positioning hole 5, thereby effectively locking the position of the fastening nut 8 on the outside of the positioning screw hole 3 and preventing it from loosening or shifting.

[0034] In a preferred embodiment, an anti-slip plate 13 is detachably installed inside the fastener body 1. The fastener body 1 has a pre-reserved mounting groove, and the anti-slip plate 13 is detachably embedded in the mounting groove for easy maintenance and replacement. The inner wall of the anti-slip plate 13 is provided with anti-slip textures 14. The anti-slip plate 13 is made of a material with a high coefficient of friction, such as rubber. Its inner wall is carefully provided with fine anti-slip textures 14. These anti-slip textures 14 are distributed in a wavy or sawtooth pattern, which can effectively increase the friction between the fastener and the object being fastened and prevent the object from loosening or shifting in the fastened state.

[0035] The working process of this utility model is as follows: In use, firstly, place the fastener body 1 on the part to be fastened, ensuring that the positioning plate 2 is in the right position, and prepare accessories such as positioning screw 3, fastening nut 8, and retaining ring 6. Next, insert the positioning screw 3 horizontally into the positioning plate 2, so that it passes through both positioning plates 2. At this time, the external thread 4 on the outside of the positioning screw 3 is exposed. Then, put the retaining ring 6 on the outside of the positioning screw 3, so that one side of the retaining ring 6 is in contact with the side wall of the positioning plate 2. The fixing piece 7 evenly fixed on the upper side of the retaining ring 6 can play a certain auxiliary fixing or marking role. Next, put the fastening nut 8 on the outside of the positioning screw 3, so that its inner wall is in close contact with the external thread 4 at the corresponding position of the positioning screw 3. By rotating the fastening nut 8, the tightness of the two positioning plates 2 can be adjusted to achieve a suitable degree of fastening. During the rotation of the fastening nut 8, the washer 9 moves accordingly. The protruding piece 10 on the side of the washer 9 near the retaining ring 6 will gradually come into close contact with the side near the retaining ring 6, playing a role in limiting and stabilizing.

[0036] After the fastening nut 8 is rotated to the appropriate position, the pin bolt 12 is inserted into the positioning screw hole 11 on the outside of the fastening nut 8. The pin bolt 12 is rotated to make it threadedly connected with the positioning screw hole 11. After the pin bolt 12 passes through the positioning screw hole 11, it will be inserted into the positioning hole 5 on the outside of the positioning thread 3, thereby positioning the fastening nut 8 on the outside of the positioning thread 3 to prevent it from loosening. Finally, if the fastening part requires anti-slip, the anti-slip plate 13 can be detachably installed inside the fastener body. The anti-slip texture 14 on the inner wall of the anti-slip plate 13 can increase the friction between it and the fastened object and improve the fastening effect.

Claims

1. A high-temperature resistant automotive fastener, comprising a fastener body (1), characterized in that: A positioning plate (2) is fixedly extended from the top of the fastener body (1). A positioning screw (3) is inserted into the upper side of the positioning plate (2). The positioning screw (3) is inserted into the positioning plate (2) by screwing in. The outer surface of the positioning screw (3) is provided with external threads (4), and positioning holes (5) are provided at equal intervals along the positioning screw (3) between the threads of the external threads (4). When the positioning screw (3) penetrates the positioning plate (2), a fastening nut (8) is sleeved on the outer side of the positioning screw (3) to tighten the fastener. The fastening nut (8) is tightened along the thread direction of the positioning screw (3) so that the fastening nut (8) is tightly fitted to the surface of the positioning plate (2). A washer (9) is fixedly installed at one end of the fastening nut (8). A positioning screw hole (11) is opened on the outer edge of the fastening nut (8). A pin bolt (12) is installed in the internal thread of the positioning screw hole (11). The fastener body (1) is provided with a base (15), a high temperature resistant ring (16) and an anti-oxidation sheet (17) from the inside to the outside, starting from its internal structure.

2. The high-temperature resistant automotive fastener according to claim 1, characterized in that: The substrate (15) is tightly fitted to the outer surface of the fastener body (1), the high temperature resistant ring (16) is uniformly covered on the outer surface of the substrate (15), the thickness of the high temperature resistant ring (16) is 0.1-0.3mm, the anti-oxidation sheet (17) is wrapped around the outer surface of the high temperature resistant ring (16), and the thickness of the anti-oxidation sheet (17) is 0.05-0.15mm.

3. The high-temperature resistant automotive fastener according to claim 1, characterized in that: A retaining ring (6) is sleeved on the outside of the positioning thread (3), and a fixing plate (7) is evenly fixed on the upper side of the retaining ring (6).

4. A high-temperature resistant automotive fastener according to claim 2, characterized in that: The inner diameter surface of the fastening nut (8) is provided with an internal thread structure that matches the external thread (4) on the positioning screw (3). The two are tightly fitted by the thread, and when the fastening nut (8) moves, the two positioning plates (2) are tightened or loosened.

5. A high-temperature resistant automotive fastener according to claim 4, characterized in that: The gasket (9) has a protruding piece (10) on the side near the retaining ring (6). When the gasket (9) is rotated and installed on the outside of the positioning screw (3) along with the fastening nut (8), the protruding piece (10) comes into close contact with one side of the retaining ring (6) as it rotates.

6. A high-temperature resistant automotive fastener according to claim 4, characterized in that: A pin bolt (12) is inserted into the positioning screw hole (11) to achieve a threaded connection between the pin bolt (12) and the positioning screw hole (11). After the pin bolt (12) passes through the positioning screw hole (11), it will be inserted into the positioning hole (5) for the fastening nut (8) to be positioned on the outside of the positioning thread (3).

7. A high-temperature resistant automotive fastener according to claim 4, characterized in that: The fastener body (1) is detachably fitted with an anti-slip plate (13), and the inner wall of the anti-slip plate (13) is provided with anti-slip texture (14).

Images