Anti-loosening automobile fastener structure

Abstract

The utility model provides an anti-loosening automobile fastener structure which comprises a bolt body, a limiting cylinder is arranged on the bolt body, a plurality of limiting grooves are formed in one side of the limiting cylinder in an equal-arc mode, an internal thread in threaded connection with the bolt body is formed in one side in the limiting cylinder, and the internal thread is far away from the limiting grooves; a fine adjustment mechanism matched with the limiting barrel is arranged at one end of the bolt body, and a locking mechanism matched with the limiting groove is arranged on the fine adjustment mechanism. According to the anti-loosening bolt, the bolt body is arranged and matched with the internal thread groove, so that the limiting barrel is rotationally fixed to the bolt body, the position of the locking mechanism can be adjusted through the fine adjustment mechanism, the locking mechanism is right opposite to a certain limiting groove, the rotated limiting barrel can be locked through the locking mechanism, and then the anti-loosening effect is achieved; the bolt body and the limiting cylinder can be prevented from being loosened, and the bolt can be suitable for more automobile parts of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to an anti-loosening automobile fastener structure. Background Art

[0002] Automotive fasteners are generally composed of bolts and nuts. Bolts, mechanical parts, cylindrical threaded fasteners equipped with nuts, a type of fastener consisting of a head and a screw, need to be matched with a nut to fasten two parts with through holes. This type of connection is called a bolt connection.

[0003] At present, after the installation of automobile fasteners, with long-term use, the nuts may become loose due to external influences of environmental factors such as vibration, which in turn affects the use of the car and even poses a safety hazard, and has low practicality.

[0004] Therefore, we have made improvements to this and proposed an anti-loosening automobile fastener structure. Summary of the invention

[0005] The purpose of the utility model is to solve the problem that after the existing automobile fasteners are installed, the nuts may become loose due to external influences of environmental factors such as vibration over a long period of use, thereby affecting the use of the automobile and even posing a safety hazard, and having low practicality.

[0006] In order to achieve the above-mentioned purpose of the invention, the utility model provides an anti-loosening automobile fastener structure to improve the above-mentioned problem.

[0007] The specific application is as follows:

[0008] It includes a bolt body, a limiting cylinder is arranged on the bolt body, a plurality of limiting grooves are equi-arcically opened on one side of the limiting cylinder, and an internal thread connected to the thread of the bolt body is opened on one side of the limiting cylinder, and the internal thread is away from the limiting groove, a fine-tuning mechanism matching the limiting cylinder is arranged at one end of the bolt body, and a locking mechanism matching the limiting groove is arranged on the fine-tuning mechanism.

[0009] As a preferred technical solution of the present application, the fine-tuning mechanism consists of a first fine-tuning part and a second fine-tuning part.

[0010] As a preferred technical solution of the present application, the first fine-tuning part includes a round block, which is matched with the interior of the limiting cylinder and is located on one side of the bolt body. A movable shaft is fixed in the middle of one end of the bolt body, and the movable shaft is rotatably connected to the middle of one side of the round block.

[0011] As a preferred technical solution of the present application, the second fine-tuning part is composed of a limit block and a spring.

[0012] As a preferred technical solution of the present application, an arc groove is opened in the middle of the round block, the limit block is located in the arc groove, and the limit block is fixedly installed on the movable shaft, and the spring is fixedly installed between the arc groove and the limit block.

[0013] As a preferred technical solution of the present application, the locking mechanism is composed of a first locking portion and a second locking portion, and the first locking portion is matched with the limiting groove.

[0014] As a preferred technical solution of the present application, the first locking part includes a first locking rod, a slot is provided on one side of the round block, and the first locking rod is located at the bottom end of the slot, a positioning slot is provided at the top end of the first locking rod, and a rotating shaft is fixed on one side of the positioning slot.

[0015] As a preferred technical solution of the present application, the first locking part also includes a second locking rod, one end of which is rotatably connected to the rotating shaft, and the second locking rod is matched with the positioning groove, and a rubber layer is embedded on one side of the bottom end of the positioning groove, and the rubber layer is close to the rotating shaft.

[0016] As a preferred technical solution of the present application, the second locking part is composed of a pull block and a sliding rod, the pull block is located on one side of the round block, one side of the positioning groove is provided with a sliding groove slidably connected to the sliding rod, one side of the first locking rod is fixedly connected to one end of the sliding rod, and the other end of the sliding rod passes through the sliding groove and is fixedly connected to the pull block.

[0017] As a preferred technical solution of the present application, the tightening direction of the bolt body and the limiting cylinder is opposite to the rotation direction of the round block.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] In the scheme of this application:

[0020] 1. In order to solve the problem that after the automobile fasteners in the prior art are installed, the nuts may become loose due to the external influence of environmental factors such as vibration over a long period of use, which may affect the use of the automobile and even cause safety hazards and low practicality, the present application provides a bolt body that cooperates with the internal thread groove so that the limit cylinder is rotatably fixed on the bolt body. The position of the locking mechanism can be adjusted through a fine-tuning mechanism so that the locking mechanism is aligned with a certain limit groove. The rotating limit cylinder can be locked through the locking mechanism, thereby achieving an anti-loosening effect. This setting can not only prevent the bolt body and the limit cylinder from loosening, but also be applicable to more automobile parts of different specifications;

[0021] 2. Through the fine-tuning mechanism, since the rotation direction of the fine-tuning mechanism is opposite to the tightening direction of the limit cylinder, under the action of the spring reset of the fine-tuning mechanism, the locking mechanism after use can press the limit cylinder, further enhancing the anti-loosening effect of the limit cylinder and the bolt body and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of the anti-loosening automobile fastener provided in this application;

[0023] Figure 2 A schematic diagram of the disassembled structure of the anti-loosening automobile fastener structure provided in this application;

[0024] Figure 3 A schematic cross-sectional structure diagram of the fine-tuning mechanism and the locking mechanism of the anti-loosening automobile fastener structure provided in the present application;

[0025] Figure 4 A schematic cross-sectional structure diagram of the locking mechanism of the anti-loosening automobile fastener structure provided in the present application.

[0026] Indicated in the figure:

[0027] 1. Bolt body;

[0028] 2. Limiting cylinder;

[0029] 3. Fine adjustment mechanism; 301. round block; 302. movable shaft; 303. limit block; 304. spring;

[0030] 4. Locking mechanism; 401. First locking rod; 402. Rotating shaft; 403. Second locking rod; 404. Rubber layer; 405. Pull block; 406. Sliding rod. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0032] As described in the background art, after the automobile fasteners are installed, with long-term use, the nuts may become loose due to external influences of environmental factors such as vibration, which in turn affects the use of the automobile and even poses a safety hazard, resulting in low practicality.

[0033] In order to solve this technical problem, the utility model provides an anti-loosening automobile fastener structure, which is applied to automobiles.

[0034] Specifically, please refer to Figure 1-4 The anti-loosening automotive fastener structure specifically includes:

[0035] A bolt body 1 is provided with a limiting cylinder 2, one side of the limiting cylinder 2 is provided with a plurality of limiting grooves in equal arcs, and one side inside the limiting cylinder 2 is provided with an internal thread threadedly connected to the bolt body 1, and the internal thread is away from the limiting groove, one end of the bolt body 1 is provided with a fine-tuning mechanism 3 matching the limiting cylinder 2, and the fine-tuning mechanism 3 is provided with a locking mechanism 4 matching the limiting groove.

[0036] The anti-loosening automobile fastener structure provided by the utility model has a bolt body that is arranged to cooperate with the internal thread groove so that the limiting cylinder is rotatably fixed on the bolt body. The position of the locking mechanism can be adjusted through the fine-tuning mechanism so that the locking mechanism is aligned with a certain limiting groove. The rotating limiting cylinder can be locked through the locking mechanism, thereby achieving the anti-loosening effect. Through this arrangement, not only can the bolt body and the limiting cylinder be prevented from loosening, but also the utility model can be applied to more automobile parts of different specifications.

[0037] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0038] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0039] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0040] Example 1, please refer to Figure 1-4 , an anti-loosening automobile fastener structure, wherein the fine-tuning mechanism 3 is composed of a first fine-tuning part and a second fine-tuning part.

[0041] Please refer to Figure 1-4 , an anti-loosening automobile fastener structure, wherein the first fine-tuning portion includes a round block 301, the round block 301 is matched with the interior of the limiting cylinder 2, and the round block 301 is located on one side of the bolt body 1, and a movable shaft 302 is fixedly provided in the middle of one end of the bolt body 1, and the movable shaft 302 is rotatably connected to the middle of one side of the round block 301.

[0042] Embodiment 2 further optimizes the anti-loosening automobile fastener structure provided in Embodiment 1. Specifically, Figure 1-4As shown, the second fine-tuning portion is composed of a limit block 303 and a spring 304 .

[0043] Further, such as Figure 1-4 As shown, an arc groove is opened in the middle of the round block 301 , a limit block 303 is located in the arc groove, and the limit block 303 is fixedly installed on the movable shaft 302 , and a spring 304 is fixedly installed between the arc groove and the limit block 303 .

[0044] Embodiment 3 further optimizes the anti-loosening automobile fastener structure provided in Embodiment 1 or 2. Specifically, Figure 1-4 As shown, the locking mechanism 4 is composed of a first locking portion and a second locking portion, and the first locking portion is matched with the limiting groove.

[0045] Further, such as Figure 1-4 As shown, the first locking portion includes a first locking rod 401, a slot is formed on one side of the round block 301, and the first locking rod 401 is located at the bottom end of the slot, a positioning slot is formed on the top end of the first locking rod 401, and a rotating shaft 402 is fixed on one side of the positioning slot.

[0046] Further, such as Figure 1-4 As shown, the first locking portion also includes a second locking rod 403, one end of which is rotatably connected to the rotating shaft 402, and the second locking rod 403 is matched with the positioning groove, and a rubber layer 404 is embedded on one side of the bottom end of the positioning groove, and the rubber layer 404 is close to the rotating shaft 402.

[0047] Embodiment 4: The anti-loosening automobile fastener structure provided in the above embodiments is further optimized, such as Figure 1-4 As shown, the second locking part is composed of a pull block 405 and a sliding rod 406. The pull block 405 is located on one side of the round block 301. One side of the positioning groove is provided with a sliding groove slidably connected to the sliding rod 406. One side of the first locking rod 401 is fixedly connected to one end of the sliding rod 406, and the other end of the sliding rod 406 passes through the sliding groove and is fixedly connected to the pull block 405.

[0048] Further, such as Figure 1-4 As shown, the tightening direction of the bolt body 1 and the limiting cylinder 2 is opposite to the rotation direction of the round block 301 .

[0049] The use process of the anti-loosening automobile fastener structure provided by the utility model is as follows:

[0050] When using this structure, the limiting cylinder 2 can be rotatably fixed on the bolt body 1 through the internal thread groove. When the limiting cylinder 2 is rotated to abut against the automobile component, the round block 301 can be rotated through the movable shaft 302, so that the limiting block 303 rotates relatively, and the spring 304 is compressed, so that the first locking part is exactly opposite to the corresponding limiting groove, and the pulling block 405 is moved. The pulling block 405 drives the sliding rod 406 to rotate, and the sliding rod 406 drives the first locking rod 401 to move. The first locking rod 401 drives the second locking rod 403 to move. When the second locking rod 403 passes through the limiting groove, it cooperates with the rotating shaft 402 and the rubber layer 404 to limit Under the force of the groove, the second locking rod 403 rotates, and then the second locking rod 403 can pass through the limiting groove, the rubber layer 404 is compressed, and after the second locking rod 403 passes through the limiting groove, the rubber layer 404 is reset, so that the second locking rod 403 is reset, and then the column limiting cylinder 2 can be clamped to prevent the limiting cylinder 2 and the bolt body 1 from loosening, and because the tightening direction of the bolt body 1 and the limiting cylinder 2 is opposite to the rotation direction of the round block 301, under the reset action of the spring 304, the first locking rod 401 can press the limiting cylinder 2, further strengthening the anti-loosening effect of the limiting cylinder 2 and the bolt body 1, and improving practicality.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. Anti-loosening automobile fastener structure, characterized in that: The invention comprises a bolt body (1), wherein a limiting cylinder (2) is arranged on the bolt body (1), a plurality of limiting grooves are formed in equal arcs on one side of the limiting cylinder (2), and an internal thread which is threadedly connected to the bolt body (1) is formed on one side of the limiting cylinder (2), and the internal thread is away from the limiting grooves, and a fine adjustment mechanism (3) matching the limiting cylinder (2) is arranged at one end of the bolt body (1), and a locking mechanism (4) matching the limiting grooves is arranged on the fine adjustment mechanism (3).

2. The anti-loosening automobile fastener structure according to claim 1, characterized in that: The fine-adjustment mechanism (3) consists of a first fine-adjustment part and a second fine-adjustment part.

3. The anti-loosening automobile fastener structure according to claim 2, characterized in that: The first fine-adjustment portion comprises a round block (301), the round block (301) being matched with the interior of the limiting cylinder (2), and the round block (301) being located on one side of the bolt body (1), a movable shaft (302) being fixedly provided in the middle of one end of the bolt body (1), and the movable shaft (302) being rotatably connected to the middle of one side of the round block (301).

4. The anti-loosening automobile fastener structure according to claim 3, characterized in that: The second fine-adjusting portion is composed of a limit block (303) and a spring (304).

5. The anti-loosening automobile fastener structure according to claim 4, characterized in that: An arc-shaped groove is provided in the middle of the round block (301), the limit block (303) is located in the arc-shaped groove, and the limit block (303) is fixedly mounted on the movable shaft (302), and the spring (304) is fixedly mounted between the arc-shaped groove and the limit block (303).

6. The anti-loosening automobile fastener structure according to claim 5, characterized in that: The locking mechanism (4) consists of a first locking portion and a second locking portion, and the first locking portion is arranged to match the limiting groove.

7. The anti-loosening automobile fastener structure according to claim 6, characterized in that: The first locking portion comprises a first locking rod (401), a groove is formed on one side of the round block (301), and the first locking rod (401) is located at the bottom end of the groove, a positioning groove is formed on the top end of the first locking rod (401), and a rotating shaft (402) is fixedly provided on one side of the positioning groove.

8. The anti-loosening automobile fastener structure according to claim 7, characterized in that: The first locking portion further comprises a second locking rod (403), one end of the second locking rod (403) being rotatably connected to the rotating shaft (402), and the second locking rod (403) being matched with the positioning groove, a rubber layer (404) being embedded at one side of the bottom end of the positioning groove, and the rubber layer (404) being close to the rotating shaft (402).

9. The anti-loosening automobile fastener structure according to claim 8, characterized in that: The second locking portion is composed of a pull block (405) and a sliding rod (406); the pull block (405) is located on one side of the round block (301); one side of the positioning groove is provided with a sliding groove slidably connected to the sliding rod (406); one side of the first locking rod (401) is fixedly connected to one end of the sliding rod (406); and the other end of the sliding rod (406) passes through the sliding groove and is fixedly connected to the pull block (405).

10. The anti-loosening automobile fastener structure according to claim 9, characterized in that: The tightening direction of the bolt body (1) and the limiting cylinder (2) is opposite to the rotation direction of the round block (301).

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