High-temperature-resistant and shock-resistant threaded fastener for automobile

Abstract

The utility model discloses a high-temperature resistant shock-resistant threaded fastener for an automobile, which comprises a fastener body, positioning holes are arranged on two sides of the fastener body, a third cushion pad is fixedly connected to the middle end of the bottom of an inner cavity of the fastener body, a bolt is movably connected to an inner cavity of the third cushion pad, and the third cushion pad is fixedly connected to the middle end of the bottom of the inner cavity of the fastener body. The top of the bolt is fixedly connected with a first buffer pad, and the top of the first buffer pad is fixedly connected with a nut. The automobile parts are placed together, the bolt penetrates through one sides of the two automobile parts to rotate the nut, the nut rotates to drive the bolt to rotate so that the two automobile parts can be connected and fixed, the buffer spring is arranged, and when the automobile parts vibrate, the automobile parts can be prevented from falling off. And vibration force can be buffered through the buffer springs, impact is reduced, buffering is conducted again through the first buffer pad, the second buffer pad and the third buffer pad, and the fixing efficiency of the fastener is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile fasteners, in particular to a high-temperature resistant and shock-resistant threaded fastener for automobiles. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening connections and are extremely widely used. Fasteners are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics, and more. They can be seen in various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters, and supplies. They are the most widely used mechanical basic parts.

[0003] Chinese Patent: Publication (Announcement) No.: CN105570271B, Application Name: A fastener assembly for automobiles, comprising a mating structure, a fastener, and a bolt, wherein the mating structure is provided with an insertion hole, the fastener is provided with a hole that matches the bolt, and one end of the fastener is provided with a set of positioning plates that can be inserted into the insertion hole, and the inner and outer ends of the positioning plates are provided with raised blocks. When the bolt is screwed into the fastener, the bolt contacts the block on the inner side of the positioning plate. The fastener in this assembly is a plastic part with a simple structure, which can be easily changed in shape and specification according to different fixing positions, and is low in cost. The assembly has few assembly parts, which facilitates fixing operation, and is reliable and not easy to loosen.

[0004] However, existing fasteners can only fix automobile parts during use. When the car is driving, the fasteners will shake due to bumps and other conditions. In severe cases, the fasteners may fall and cause the automobile parts to separate. Therefore, we propose a high-temperature resistant and shock-resistant threaded fastener for automobiles. Utility Model Content

[0005] The purpose of the present utility model is to provide a high temperature resistant and shock resistant threaded fastener for automobiles to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a high-temperature resistant and shock-resistant threaded fastener for automobiles, comprising a fastener body, positioning holes being provided on both sides of the fastener body, a third buffer pad being fixedly connected to the middle end of the bottom of the inner cavity of the fastener body, a bolt being movably connected to the inner cavity of the third buffer pad, a first buffer pad being fixedly connected to the top of the bolt, a nut being fixedly connected to the top of the first buffer pad, an anti-theft groove being provided at the middle end of the top of the nut, a buffer spring being provided on the surface of the bolt, and a second buffer pad being fixedly connected to the middle end of the bottom of the fastener body and located on the surface of the bolt.

[0007] Preferably, the outer surface of the bolt is provided with a first high temperature resistant layer, the outer surface of the first high temperature resistant layer is provided with a second high temperature resistant layer, and the outer surface of the second high temperature resistant layer is provided with a third high temperature resistant layer.

[0008] Preferably, the outer surface of the nut is provided with a first corrosion-resistant layer, the outer surface of the first corrosion-resistant layer is provided with a second corrosion-resistant layer, and the outer surface of the second corrosion-resistant layer is provided with a third corrosion-resistant layer.

[0009] Preferably, the left side of the inner cavity of the fastener body is threadedly connected to a limit rod, the right side of the outer surface of the limit rod is provided with a limit thread, and the left side of the limit rod is fixedly connected to a first rotating block.

[0010] Preferably, a positioning rod is threadedly connected to the right side of the inner cavity of the fastener body, a limiting hole is provided at the middle end of the left side of the positioning rod, and a second rotating block is fixedly connected to the right side of the positioning rod.

[0011] Preferably, a positioning hole is provided at the upper end of the bolt surface, and the positioning hole is arranged in a rectangular structure.

[0012] Preferably, threaded holes are provided on both sides of the fastener body, and the inner cavity of the threaded hole is provided with a limiting groove.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model places automobile parts together, passes a bolt through one side of the two automobile parts, and rotates a nut. The rotation of the nut drives the bolt to rotate, so that the two automobile parts are connected and fixed. A buffer spring is provided. When the automobile parts vibrate, the buffer spring can buffer the vibration force to reduce the impact, and the first buffer pad, the second buffer pad and the third buffer pad can provide further buffering, thereby improving the fixing efficiency of the fastener.

[0015] 2. The utility model rotates the first rotating block so that the first rotating block drives the limiting rod to rotate in the inner cavity of the threaded hole and move inward. At the same time, the second rotating block is rotated, and the positioning rod is driven to rotate in the inner cavity of the threaded hole and move inward through the second rotating block. At this time, the positioning rod and the limiting rod both move inward so that the limiting rod rotates into the inner cavity of the positioning rod so that the limiting rod and the positioning rod are fixed. The bolt can be limited by the fixation of the limiting rod and the positioning rod, which can effectively prevent the bolt from rotating due to bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the third buffer pad of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the second high temperature resistant layer of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the third corrosion-resistant layer of the utility model;

[0020] Figure 5 This is a schematic structural diagram of the first rotating block of the utility model;

[0021] Figure 6 This is a schematic structural diagram of the second rotating block of the utility model;

[0022] Figure 7 This is a schematic diagram of the positioning hole structure of the utility model.

[0023] In the figure: 1. Fastener body; 2. Anti-theft groove; 3. Nut; 4. Positioning hole; 5. First buffer pad; 6. Buffer spring; 7. Second buffer pad; 8. Bolt; 9. Third buffer pad; 10. First high-temperature resistant layer; 11. Second high-temperature resistant layer; 12. Third high-temperature resistant layer; 13. First corrosion-resistant layer; 14. Second corrosion-resistant layer; 15. Third corrosion-resistant layer; 16. Limiting thread; 17. First rotating block; 18. Limiting rod; 19. Threaded hole; 20. Limiting hole; 21. Second rotating block; 22. Positioning rod; 23. Positioning hole. DETAILED DESCRIPTION

[0024] 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.

[0025] The components of the present application, 1. fastener body; 2. anti-theft groove; 3. nut; 4. positioning hole; 5. first buffer pad; 6. buffer spring; 7. second buffer pad; 8. bolt; 9. third buffer pad; 10. first high-temperature resistant layer; 11. second high-temperature resistant layer; 12. third high-temperature resistant layer; 13. first corrosion-resistant layer; 14. second corrosion-resistant layer; 15. third corrosion-resistant layer; 16. limiting thread; 17. first rotating block; 18. limiting rod; 19. threaded hole; 20. limiting hole; 21. second rotating block; 22. positioning rod; 23. positioning hole, are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0026] Example 1:

[0027] See also Figure 1-Figure 7 , provides the following technical solutions, specifically disclosing: a high-temperature resistant and shock-resistant threaded fastener for automobiles, comprising a fastener body 1, positioning holes 4 are opened on both sides of the fastener body 1, a third buffer pad 9 is fixedly connected to the middle end of the bottom of the inner cavity of the fastener body 1, a bolt 8 is movably connected to the inner cavity of the third buffer pad 9, a first buffer pad 5 is fixedly connected to the top of the bolt 8, a nut 3 is fixedly connected to the top of the first buffer pad 5, an anti-theft groove 2 is opened at the middle end of the top of the nut 3, a buffer spring 6 is sleeved on the surface of the bolt 8, and a second buffer pad 7 is fixedly connected to the middle end of the bottom of the fastener body 1 and on the surface of the bolt 8;

[0028] During actual use, the automobile parts are placed together, and the bolt 8 is passed through one side of the two automobile parts to rotate the nut 3. The rotation of the nut 3 drives the bolt 8 to rotate so that the two automobile parts are connected and fixed. A buffer spring 6 is provided. When the automobile parts vibrate, the buffer spring 6 can buffer the vibration force to reduce the impact, and the first buffer pad 5, the second buffer pad 7 and the third buffer pad 9 can buffer again to improve the fixing efficiency of the fastener.

[0029] Example 2:

[0030] See also Figure 4 and Figure 7 , provides the following technical solutions, specifically disclosed: the outer surface of the bolt 8 is provided with a first high temperature resistant layer 10, the outer surface of the first high temperature resistant layer 10 is provided with a second high temperature resistant layer 11, the outer surface of the second high temperature resistant layer 11 is provided with a third high temperature resistant layer 12, the outer surface of the nut 3 is provided with a first corrosion resistant layer 13, the outer surface of the first corrosion resistant layer 13 is provided with a second corrosion resistant layer 14, the outer surface of the second corrosion resistant layer 14 is provided with a third corrosion resistant layer 15, the outer surface of the nut 3 is provided with a first corrosion resistant layer 13, the outer surface of the first corrosion resistant layer 13 is provided with a second corrosion resistant layer 14, the outer surface of the second corrosion resistant layer 14 is provided with a third corrosion resistant layer 15 A third corrosion-resistant layer 15 is provided on the surface. The left side of the inner cavity of the fastener body 1 is threadedly connected to a limit rod 18. A limit thread 16 is provided on the right side of the outer surface of the limit rod 18. The left side of the limit rod 18 is fixedly connected to a first rotating block 17. The right side of the inner cavity of the fastener body 1 is threadedly connected to a positioning rod 22. A limit hole 20 is provided at the middle end of the left side of the positioning rod 22. A second rotating block 21 is fixedly connected to the right side of the positioning rod 22. A positioning hole 23 is provided at the upper end of the surface of the bolt 8. The positioning hole 23 is a rectangular structure. Threaded holes 19 are provided on both sides of the fastener body 1. The inner cavity of the threaded hole 19 is provided with a limit pattern.

[0031] During actual use, by rotating the first rotating block 17, the first rotating block 17 drives the limiting rod 18 to rotate in the inner cavity of the threaded hole 19 and move inward. At the same time, the second rotating block 21 is rotated, and the positioning rod 22 is driven to rotate in the inner cavity of the threaded hole 19 and move inward through the second rotating block 21. At this time, the positioning rod 22 and the limiting rod 18 both move inward, so that the limiting rod 18 rotates into the inner cavity of the positioning rod 22, so that the limiting rod 18 and the positioning rod 22 are fixed. The bolt 8 can be limited by the fixation of the limiting rod 18 and the positioning rod 22, which can effectively prevent the bolt 8 from rotating due to bumps.

[0032] During use: by placing the automobile parts together, and passing the bolt 8 through one side of the two automobile parts and turning the nut 3, the rotation of the nut 3 drives the bolt 8 to rotate so that the two automobile parts are connected and fixed, and a buffer spring 6 is provided. When the automobile parts vibrate, the buffer spring 6 can buffer the vibration force to reduce the impact, and the first buffer pad 5, the second buffer pad 7 and the third buffer pad 9 can buffer again, thereby improving the fixing efficiency of the fastener.

[0033] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0034] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A high temperature resistant and shock resistant threaded fastener for automobiles, comprising a fastener body (1), characterized in that: Positioning holes (4) are provided on both sides of the fastener body (1); a third buffer pad (9) is fixedly connected to the middle end of the bottom of the inner cavity of the fastener body (1); a bolt (8) is movably connected to the inner cavity of the third buffer pad (9); a first buffer pad (5) is fixedly connected to the top of the bolt (8); a nut (3) is fixedly connected to the top of the first buffer pad (5); an anti-theft groove (2) is provided at the middle end of the top of the nut (3); a buffer spring (6) is sleeved on the surface of the bolt (8); a second buffer pad (7) is fixedly connected to the middle end of the bottom of the fastener body (1) and located on the surface of the bolt (8).

2. The high temperature resistant and shock resistant threaded fastener for automobiles according to claim 1, characterized in that: The outer surface of the bolt (8) is provided with a first high-temperature resistant layer (10), the outer surface of the first high-temperature resistant layer (10) is provided with a second high-temperature resistant layer (11), and the outer surface of the second high-temperature resistant layer (11) is provided with a third high-temperature resistant layer (12).

3. The high temperature resistant and shock resistant threaded fastener for automobiles according to claim 1, characterized in that: The outer surface of the nut (3) is provided with a first corrosion-resistant layer (13), the outer surface of the first corrosion-resistant layer (13) is provided with a second corrosion-resistant layer (14), and the outer surface of the second corrosion-resistant layer (14) is provided with a third corrosion-resistant layer (15).

4. The high temperature resistant and shock resistant threaded fastener for automobiles according to claim 1, characterized in that: The left side of the inner cavity of the fastener body (1) is threadedly connected to a limit rod (18), the right side of the outer surface of the limit rod (18) is provided with a limit thread (16), and the left side of the limit rod (18) is fixedly connected to a first rotating block (17).

5. The high temperature resistant and shock resistant threaded fastener for automobiles according to claim 1, characterized in that: The right side of the inner cavity of the fastener body (1) is threadedly connected to a positioning rod (22), a limiting hole (20) is provided at the middle end of the left side of the positioning rod (22), and the right side of the positioning rod (22) is fixedly connected to a second rotating block (21).

6. The high temperature resistant and shock resistant threaded fastener for automobiles according to claim 1, characterized in that: A positioning hole (23) is provided at the upper end of the surface of the bolt (8), and the positioning hole (23) is arranged in a rectangular structure.

7. The high temperature resistant and shock resistant threaded fastener for automobiles according to claim 1, characterized in that: Threaded holes (19) are provided on both sides of the fastener body (1), and the inner cavity of the threaded hole (19) is provided with a limiting groove.

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