High-strength fastener suitable for automobile

Abstract

The utility model relates to the technical field of automobile accessories, in particular to a high-strength fastener suitable for automobiles, which comprises a nut, a connecting block is fixedly mounted at the top end of the nut, a screw is arranged below the nut, and a connecting mechanism is arranged in the screw. The connecting mechanism comprises a connecting groove, the connecting groove is formed in the screw rod, a limiting groove is formed in the inner wall of the connecting groove, an inserting rod is fixedly installed at the position, penetrating into the screw rod, of the bottom end of the nut, and a limiting block is fixedly installed at the position, corresponding to the limiting groove, of the outer wall of the inserting rod; by means of the nut, the connecting block, the screw rod, the connecting groove, the limiting groove, the inserting rod, the limiting block, the bearing plate, the threaded rod, the connecting sleeve and the jacking block, the nut and the screw rod can be quickly assembled, meanwhile, the assembled position can be preliminarily protected, and the situation of over-screwing or loosening caused by influences generated when an automobile assembly and a fastener are connected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive parts, and particularly relates to a high-strength fastener applicable to automobiles. Background Technique

[0002] Fasteners, also known as standard parts in the market, are a general term for a class of mechanical parts used to firmly connect two or more parts (or components) into a whole. They are characterized by a wide variety of varieties and specifications, different performance and uses, and a very high degree of standardization, serialization, and generalization. Fasteners are the most widely used mechanical basic parts. Especially in the process of automobile manufacturing, fasteners are essential parts for connecting various mechanical components.

[0003] In the existing technology, high-strength fasteners are in the form of integral molding. After disassembly and assembly, the nut cannot be disassembled and recycled separately, which also leads to a high manufacturing cost.

[0004] The existing patent (publication number: CN216382177U) discloses a high-strength fastener applicable to automobiles. After the screw rod and the nut are connected and fixed, the screw rod is screwed into the workpiece. The threads on the connecting rod have the opposite helix direction to the threads on the screw rod, which can make the nut and the screw rod bite more tightly together during the process of screwing the screw rod into the workpiece.

[0005] In view of the above problems, the solution given by the existing patent can fix the nut and the screw rod through the opposite helix direction. However, in the actual use process, when the components and fasteners are installed and screwed during automobile manufacturing, the opposite helix direction may cause over-screwing or thread stripping, resulting in unstable connection or inconvenient disassembly and assembly. Summary of the Invention

[0006] The purpose of the utility model is to provide a high-strength fastener applicable to automobiles, which can quickly assemble the nut and the screw rod, and at the same time can initially protect the assembled position to avoid affecting the connection between the automobile components and the fasteners, resulting in over-screwing or loosening, so as to solve the problems proposed in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A high-strength fastener applicable to automobiles, including a nut, a connecting block is fixedly installed at the top of the nut, and a screw rod is arranged below the nut, and a connecting mechanism is arranged inside the screw rod.

[0008] The connecting mechanism includes a connecting groove which is opened inside the screw rod, and a limiting groove is opened on the inner wall of the connecting groove. An insertion rod is fixedly installed at the position where the bottom end of the nut penetrates into the screw rod, and a limiting block is fixedly installed on the outer wall of the insertion rod corresponding to the position of the limiting groove. A threaded rod is fixedly installed at the bottom end of the insertion rod, and a bearing plate is fixedly installed on the inner wall of the connecting groove corresponding to the outer wall of the threaded rod. A connecting sleeve is sleeved below the outer wall of the threaded rod, and a pushing block is fixedly installed at the bottom end of the connecting sleeve.

[0009] Preferably, a sliding structure is formed between the screw rod and the insertion rod, and the insertion rod is in close fit with the bearing plate.

[0010] Preferably, a sliding structure is formed between the limiting block and the limiting groove, and a sliding structure is formed between the limiting block and the connecting groove through the limiting groove.

[0011] Preferably, the connecting sleeve is in threaded connection with the threaded rod, and the connecting sleeve is in close fit with the bearing plate.

[0012] Preferably, a limiting mechanism is arranged below the screw rod. The limiting mechanism includes a sleeve which is sleeved on the outer wall of the connecting sleeve, and a limiting rod is fixedly installed at the top end of the sleeve.

[0013] Preferably, the limiting mechanism further includes an installation hole which is opened at the position corresponding to the connecting sleeve inside the sleeve, and a rotating plate is fixedly installed at one end of the connecting sleeve penetrating into the installation hole.

[0014] Preferably, a rotating structure is formed between the connecting sleeve and the sleeve through the rotating plate, and the connecting sleeve penetrates through the sleeve through the installation hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. Through the nut, the connecting block, the screw rod, the connecting groove, the limiting groove, the insertion rod, the limiting block, the bearing plate, the threaded rod, the connecting sleeve and the pushing block, the nut and the screw rod can be quickly assembled, and at the same time, the assembled position can be initially protected to avoid affecting the connection between the automotive components and the fasteners, resulting in over-tightening or loosening.

[0017] 2. Through the sleeve, the limiting rod, the installation hole and the rotating plate, the protection of the connection position of the connecting sleeve can be improved to avoid being affected by the outside. At the same time, the sleeve is stabilized through the limiting rod to avoid loosening, which affects the connection of the connecting sleeve. Description of the Drawings

[0018] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is the overall structure view of the present invention;

[0020] Figure 2 It is the structural schematic diagram of the screw rod of the present invention;

[0021] Figure 3 It is the structural schematic diagram of the insertion rod of the present invention;

[0022] Figure 4 It is the structural schematic diagram of the limit rod of the present invention;

[0023] Figure 5 It is the structural schematic diagram of the rotating plate of the present invention.

[0024] Explanation of the reference numerals:

[0025] 1, nut; 2, connecting block; 3, screw rod; 4, connecting mechanism; 401, connecting groove; 402, limiting groove; 403, insertion rod; 404, limiting block; 405, bearing plate; 406, threaded rod; 407, connecting sleeve; 408, pushing block; 5, limiting mechanism; 501, sleeve; 502, limiting rod; 503, placement hole; 504, rotating plate. Specific embodiments

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0027] The present invention provides a technical solution:

[0028] Please refer to Figures 1 to 5, A high-strength fastener suitable for automobiles, including a nut 1. A connecting block 2 is fixedly installed at the top end of the nut 1. A screw rod 3 is arranged below the nut 1, and a connecting mechanism 4 is arranged inside the screw rod 3; the connecting mechanism 4 includes a connecting groove 401 opened inside the screw rod 3. A limiting groove 402 is opened on the inner wall of the connecting groove 401. An insertion rod 403 is fixedly installed at the position where the bottom end of the nut 1 penetrates into the screw rod 3. A limiting block 404 is fixedly installed on the outer wall of the insertion rod 403 corresponding to the position of the limiting groove 402. A threaded rod 406 is fixedly installed at the bottom end of the insertion rod 403. A bearing plate 405 is fixedly installed on the inner wall of the connecting groove 401 corresponding to the outer wall of the threaded rod 406. A connecting sleeve 407 is sleeved below the outer wall of the threaded rod 406. A top block 408 is fixedly installed at the bottom end of the connecting sleeve 407. A sliding structure is formed between the screw rod 3 and the insertion rod 403. The insertion rod 403 is in close fit with the bearing plate 405. A sliding structure is formed between the limiting block 404 and the limiting groove 402. The limiting block 404 forms a sliding structure with the connecting groove 401 through the limiting groove 402. The connecting sleeve 407 is threadedly connected with the threaded rod 406. The connecting sleeve 407 is in close fit with the bearing plate 405.

[0029] By adopting the above technical solution, the insertion rod 403 at the bottom end of the nut 1 penetrates into the connecting groove 401 of the screw rod 3, and the limiting block 404 penetrates into the limiting groove 402 to play a role in limiting to avoid rotation or loosening. At the same time, the threaded rod 406 penetrates through the bearing plate 405 and is threadedly connected with the connecting sleeve 407, which is convenient for quick disassembly and assembly. A screwdriver blade is opened at the bottom end of the top block 408, which is convenient for installation with a screwdriver to avoid the situation of reverse rotation direction, resulting in loosening or over-tightening when fastening automobile components.

[0030] Specifically, as Figure 4 and Figure 5 shown, a limiting mechanism 5 is arranged below the screw rod 3. The limiting mechanism 5 includes a sleeve 501 sleeved on the outer wall of the connecting sleeve 407. A limiting rod 502 is fixedly installed at the top end of the sleeve 501. The limiting mechanism 5 further includes an installation hole 503 opened at the position corresponding to the connecting sleeve 407 inside the sleeve 501. A rotating plate 504 is fixedly installed at the end of the connecting sleeve 407 penetrating into the installation hole 503. A rotating structure is formed between the connecting sleeve 407 and the sleeve 501 through the rotating plate 504. The connecting sleeve 407 penetrates through the installation hole 503 to the inside of the sleeve 501.

[0031] By adopting the above technical solution, the sleeve 501 is rotationally connected with the rotating plate 504 of the connecting sleeve 407 through the reserved groove of the installation hole 503, so as to play a protective role after the connecting sleeve 407 is connected. At the same time, when the sleeve 501 is in contact with the screw rod 3, the limiting rod 502 is inserted into the reserved hole of the screw rod 3 to avoid the rotation of the sleeve 501 affecting the connection stability of the connecting sleeve 407.

[0032] Working principle: The nut 1 is welded to the connecting block 2 for easy handling. At the same time, the insertion rod 403 fixed at the bottom of the nut 1 penetrates into the connecting groove 401 of the screw rod 3, and slides along the limiting groove 402 through the limiting block 404 to achieve a limiting effect. At the same time, the threaded rod 406 penetrates through the bearing plate 405. A screwdriver is inserted to push the top block 408 so that the connecting sleeve 407 penetrates into the screw rod 3 and is sleeved on the threaded rod 406 for threaded connection to achieve quick disassembly and assembly. When assembling with an automobile, the situation of over-tightening or loosening caused by opposite rotation directions is avoided. The placement hole 503 of the sleeve 501 is rotatably connected to the connecting sleeve 407 through the rotating plate 504, so as to be able to protect the connecting sleeve 407, and the limiting rod 502 is inserted into the reserved hole of the screw rod 3 to further limit and prevent rotation or shaking.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-strength fastener applicable to an automobile, comprising a nut (1), characterized in that: A connecting block (2) is fixedly installed at the top end of the nut (1), and a screw rod (3) is arranged below the nut (1). A connecting mechanism (4) is arranged inside the screw rod (3). The connecting mechanism (4) includes a connecting groove (401) which is opened inside the screw rod (3). A limiting groove (402) is opened on the inner wall of the connecting groove (401). An insertion rod (403) is fixedly installed at the position where the bottom end of the nut (1) penetrates into the screw rod (3). A limiting block (404) is fixedly installed on the outer wall of the insertion rod (403) corresponding to the limiting groove (402). A threaded rod (406) is fixedly installed at the bottom end of the insertion rod (403). A bearing plate (405) is fixedly installed on the inner wall of the connecting groove (401) corresponding to the outer wall of the threaded rod (406). A connecting sleeve (407) is sleeved on the lower part of the outer wall of the threaded rod (406), and a pushing block (408) is fixedly installed at the bottom end of the connecting sleeve (407).

2. The high-strength fastener applicable to an automobile according to claim 1, wherein: A sliding structure is formed between the screw rod (3) and the insertion rod (403), and the insertion rod (403) is in close fit with the bearing plate (405).

3. The high-strength fastener applicable to an automobile according to claim 1, wherein: A sliding structure is formed between the limiting block (404) and the limiting groove (402), and a sliding structure is formed between the limiting block (404) and the connecting groove (401) through the limiting groove (402).

4. The high-strength fastener applicable to an automobile according to claim 1, characterized in that: The connecting sleeve (407) is in threaded connection with the threaded rod (406), and the connecting sleeve (407) is in close fit with the bearing plate (405).

5. The high-strength fastener applicable to an automobile according to claim 1, characterized in that: A limiting mechanism (5) is arranged below the screw rod (3). The limiting mechanism (5) includes a sleeve (501) which is sleeved on the outer wall of the connecting sleeve (407), and a limiting rod (502) is fixedly installed at the top end of the sleeve (501).

6. The high-strength fastener applicable to an automobile according to claim 5, wherein: The limiting mechanism (5) further includes an installation hole (503) which is opened at the position corresponding to the connecting sleeve (407) inside the sleeve (501). A rotating plate (504) is fixedly installed at the end of the connecting sleeve (407) penetrating into the installation hole (503).

7. The high-strength fastener applicable to an automobile according to claim 6, characterized in that: A rotating structure is formed between the connecting sleeve (407) and the sleeve (501) through the rotating plate (504), and the connecting sleeve (407) penetrates through the sleeve (501) through the installation hole (503).

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