Automobile anti-loose gasket
By designing the structures of the anti-loose gasket of the car's anti-loose gasket, the loosening problem of the anti-loose gasket in extreme vibration environments is solved, and the connection reliability and heat dissipation effect are achieved, reducing losses.
Patent Information
- Application Number
- CN202422498166.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing automobile anti-loosening gaskets are prone to loosening in extreme vibration and impact environments, resulting in connection failure and serious heat loss during high-frequency vibration.
An automobile anti-loosening gasket is designed, including an anti-loosening gasket body and a fixing assembly. It uses structures such as heat dissipation plate, bump, bending ring, rotating support and limiting rod to prevent loosening by enhancing friction and heat dissipation. The sliding component is used for dynamic limiting, and the rubber ring is used to absorb vibration.
It effectively reduces the loss of anti-loosening gaskets, enhances the reliability of bolt connections, prevents the nut from loosening, and improves the connection stability under extreme conditions.
Smart Images
Figure CN223203477U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts, in particular to an automobile anti-loosening gasket. Background Art
[0002] Automotive anti-loosening washers are used to prevent bolts and nuts from loosening due to vibration, impact, and other factors during vehicle operation. Surface treatment increases friction to reduce the chance of nuts falling off. In existing technology, even well-designed anti-loosening washers can become loose under extreme conditions, such as prolonged exposure to high-intensity vibration or complex stresses, leading to failure of the connection. High-frequency vibrations in parts can also cause the washers to heat up, leading to washer wear and nut loosening. To reduce the risk of anti-loosening washers loosening and improve the reliability of bolted connections, the present invention is proposed. Utility Model Content
[0003] In order to solve the problem in the prior art that anti-loosening washers are loosened in an impact and vibration environment, the utility model provides an automobile anti-loosening washers.
[0004] In an embodiment of the present utility model, a bolt passes through a connecting piece and is threadedly connected to a nut, and the automobile anti-loosening gasket is arranged between the nut and the connecting piece, and the automobile anti-loosening gasket includes an anti-loosening gasket body and a fixing assembly, and the anti-loosening gasket body includes a first anti-loosening gasket, a heat sink and a second anti-loosening gasket; the fixing assembly includes a protrusion, a bending ring, a rotating support and a limiting rod; the first anti-loosening gasket is fitted with the nut, and the second anti-loosening gasket is fitted with the connecting piece, the heat sink is arranged between the first anti-loosening gasket and the second anti-loosening gasket, and the protrusion protrudes from the second anti-loosening gasket. The surface of the heat sink is plugged into the connecting piece, the bending ring is arranged on the first anti-loosening gasket and is stuck in the edge thread of the nut, the rotating support is arranged on the surface of the first anti-loosening gasket, the limiting rod is rotatably connected to the rotating support, and after the limiting rod is rotated, it fits the nut to limit the rotation of the nut; the area of the heat sink is slightly larger than the area of the first anti-loosening gasket and the second anti-loosening gasket, and staggered serrations are provided on both sides of the heat sink, and grooves adapted to the serrations on the heat sink are provided on the first anti-loosening gasket and the second anti-loosening gasket.
[0005] In an embodiment of the present utility model, the automobile anti-loosening gasket also includes a sliding assembly, the sliding assembly includes a sliding drive, a sliding rod and a sliding rail, the sliding drive is arranged on the heat dissipation plate, the sliding rail is fixed to one end of the limiting rod, one end of the sliding rod is connected to the sliding drive, and the other end of the sliding rod is connected to the sliding rail, so that the sliding drive drives the sliding rod to move in the sliding rail and drives the limiting rod to rotate around the rotating support.
[0006] In an embodiment of the present invention, a surface of the first anti-loosening washer that is in contact with the nut is provided with a texture, a surface of the second anti-loosening washer that is in contact with the connecting piece is provided with a texture, and both the first anti-loosening washer and the second anti-loosening washer are provided with protrusions, which are coplanar with the texture.
[0007] In an embodiment of the present invention, a through hole is reserved in the anti-loosening gasket body for the bolt to pass through, and a rubber ring is provided on the surface of the through hole of the anti-loosening gasket body.
[0008] In an embodiment of the present invention, the length of the slide rail is adapted to one fifth of the length of the limiting rod.
[0009] In an embodiment of the present invention, a heat insulating block is fixed on the heat dissipation plate, and the sliding driving member is fixed on the heat insulating block.
[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the first anti-loosening gasket is fitted with the nut, the second anti-loosening gasket is fitted with the connecting piece, the heat sink is arranged between the first anti-loosening gasket and the second anti-loosening gasket and both sides of the heat sink are provided with staggered serrations, and the first anti-loosening gasket and the second anti-loosening gasket are provided with grooves adapted to the serrations on the sides in contact with the heat sink, and the serrations and the grooves are staggered with each other to form a gap, so that when the parts vibrate at high frequency and the temperature of the anti-loosening gasket body rises, the heat will be discharged through the gap, thereby reducing the loss of the anti-loosening gasket; the protrusion protrudes from the surface of the second anti-loosening gasket and is plugged into the connecting piece to strengthen the second anti-loosening gasket. To ensure the firmness of the connection between the bolt and the nut, the bending ring is arranged on the first anti-loosening washer so that the bending ring can be stuck in the edge thread of the nut when the bolt and the nut are tightened, thereby strengthening the friction between the nut and the first anti-loosening washer to improve the reliability of the bolt connection; the sliding drive member is arranged on the heat dissipation plate, and the slide rail is fixed on the limit rod. One end of the sliding rod is connected to the sliding drive member, and the other end is connected to the slide rail. The length of the slide rail is adapted to one-fifth of the length of the limit rod, so that the sliding rod can move in the slide rail under the drive of the sliding drive member, and then the limit rod can be rotated so that four-fifths of the limit rod can limit the nut to reduce the problem of nut loosening. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The accompanying drawings are used to provide a further understanding of the embodiments of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the embodiments of the present invention, but do not constitute a limitation of the embodiments of the present invention. In the accompanying drawings:
[0012] Figure 1 This is a first structural diagram of the automobile anti-loosening gasket provided by an embodiment of the utility model;
[0013] Figure 2 This is a second structural diagram of the automobile anti-loosening gasket provided by an embodiment of the utility model;
[0014] Figure 3 yes Figure 2 Enlarged view of point E;
[0015] Figure 4 This is the third structural diagram of the automobile anti-loosening gasket provided by the embodiment of the utility model;
[0016] Figure 5 yes Figure 4 Enlarged view of point F;
[0017] Description of Reference Numerals
[0018] 1. Automobile anti-loosening gasket; 11. Anti-loosening gasket body; 12. Fixing assembly; 13. Sliding assembly; 111. First anti-loosening gasket; 112. Heat sink; 113. Second anti-loosening gasket; 121. Bump; 122. Bending ring; 123. Rotating support; 124. Limit rod; 131. Sliding drive member; 132. Sliding rod; 133. Sliding rail. DETAILED DESCRIPTION
[0019] The following is a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.
[0020] In the prior art, a bolt passes through a connector and is threadedly connected to a nut, and an anti-loosening gasket is arranged between the nut and the connector. Under extreme conditions, if the connector is exposed to high-intensity vibration or complex stress environment for a long time, even a well-designed anti-loosening gasket may be at risk of loosening, thereby causing failure of the connector. When the parts vibrate at high frequencies, the anti-loosening gasket may heat up, thereby causing loss of the anti-loosening gasket and loosening of the nut. Therefore, the present invention is proposed.
[0021] As shown in FIG1 , the utility model automobile anti-loosening gasket 1 is used to be placed between a nut and a connector to prevent the nut from loosening. The automobile anti-loosening gasket 1 includes an anti-loosening gasket body 11 and a fixing assembly 12. Figure 2-3As shown, the anti-loosening gasket body 11 includes a first anti-loosening gasket 111 , a heat dissipation plate 112 and a second anti-loosening gasket 113 , and the fixing assembly 12 includes a protrusion 121 , a bending ring 122 , a rotating support 123 and a limiting rod 124 . The first anti-loosening washer 111 fits with the nut, and the second anti-loosening washer 113 fits with the connecting piece. The heat sink 112 is arranged between the first anti-loosening washer 111 and the second anti-loosening washer 113 to dissipate heat for the first anti-loosening washer 111 and the second anti-loosening washer 113; the protrusion 121 protrudes from the surface of the second anti-loosening washer and is plugged into the connecting piece to strengthen the connection firmness between the second anti-loosening washer 113 and the connecting piece; the bending ring 122 is arranged on the first anti-loosening washer 111 so that the bending ring 122 is stuck in the edge thread of the nut when the bolt and the nut are tightened, thereby strengthening the friction between the nut and the first anti-loosening washer 111; the rotating support 123 is arranged on the first anti-loosening washer 111, and the limiting rod 124 is rotatably connected to the rotating support 123. By rotating the limiting rod 124, the limiting rod 124 can be fitted on the edge of the nut, thereby preventing the nut from loosening.
[0022] In the above embodiment, the first anti-loosening washer 111 is hexagonal to facilitate the fixation of the rotating support 123. The side of the first anti-loosening washer 111 that is in contact with the nut is provided with a texture and the surface of the first anti-loosening washer 111 is sandblasted. The texture of the first anti-loosening washer 111 is provided with protrusions to increase the friction between the first anti-loosening washer 111 and the nut, thereby preventing the nut from loosening.
[0023] In the above embodiment, the heat sink 112 is hexagonal and the area of the heat sink 112 is slightly larger than the area of the first anti-loosening gasket 111, so that the heat sink 112 exposed to the air dissipates the heat generated by the vibration into the air, thereby reducing the loss of the anti-loosening gasket due to excessive heat; staggered serrations are provided on both sides of the heat sink 112, and grooves adapted to the serrations are provided on the sides of the first anti-loosening gasket 111 and the second anti-loosening gasket 113 that contact the heat sink 112. The serrations and the grooves are staggered with each other to form a gap, thereby playing a heat dissipation role.
[0024] In the above embodiment, the area of the second anti-loosening gasket 113 is the same as that of the first anti-loosening gasket 111, the side of the second anti-loosening gasket 113 that contacts the connecting piece is provided with a texture and the surface of the second anti-loosening gasket 113 is sandblasted, and a hollow cavity is provided on the connecting piece. The space in the hollow cavity is slightly smaller than the size of the protrusion 121. During the process of tightening the bolt and the nut, the protrusion 121 on the second anti-loosening gasket 113 is stuck in the hollow cavity of the connecting piece to increase the connection relationship between the second anti-loosening gasket 113 and the connecting piece.
[0025] In the above embodiment, a through hole is reserved in the anti-loosening gasket body 11 for the bolt to pass through, and a rubber ring is provided on the inner edge of the anti-loosening gasket body 11. When the bolt passes through the anti-loosening gasket body 11, the rubber ring is compressed and generates elastic force, which increases the friction between the bolt and the anti-loosening gasket body 11 and enables the rubber ring to absorb vibration, thereby reducing the loosening of the nut caused by vibration.
[0026] In the above embodiment, the bending ring 122 has a certain elasticity and is provided with a number of protrusions on the bending ring 122, so that during the process of tightening the bolt and the nut, the bending ring 122 is stuck in the thread gap of the nut under the tightening pressure. The several protrusions on the bending ring 122 are stuck in the gap to increase the contact area between the first anti-loosening gasket 111 and the nut, thereby increasing the friction between the first anti-loosening gasket 111 and the nut and reducing the loosening of the nut.
[0027] In the above embodiment, one-fifth of the limiting rod 124 is rotatably connected to the rotating support 123. The limiting rod 124 rotates around the rotating support 123 so that four-fifths of the limiting rod 124 fits on the edge of the nut, thereby adapting to nuts of different models.
[0028] like Figure 4 As shown, the automobile anti-loosening gasket 1 of the present invention also includes a sliding assembly 13, which includes a sliding drive 131, a sliding rod 132 and a sliding rail 133. The sliding drive 131 is arranged on the heat dissipation plate 112, and the sliding rail 133 is fixed on the limiting rod 124. One end of the sliding rod 132 is connected to the sliding drive 131, and the other end is connected to the sliding rail 133. The length of the sliding rail 133 is adapted to one-fifth of the length of the limiting rod 124, so that the sliding rod 132 moves in the sliding rail 133 under the drive of the sliding drive 131, and then the limiting rod 124 is rotated so that four-fifths of the limiting rod 124 limit the nut, wherein the sliding drive 131 is a small servo.
[0029] The specific process of the sliding rod 132 driving the limiting rod 124 to rotate is as follows: Figure 5 As shown, the positions of the two end points of the slide rail 133 are set to A and B. When the sliding drive 131 drives the sliding rod 132 to move from position A to position B, the limit rod 124 rotates clockwise around the Z axis so that the limit rod 124 fits against the edge of the nut, thereby limiting the nut; when the sliding drive 131 drives the sliding rod 132 to move from position B to position A, the limit rod 124 rotates counterclockwise around the Z axis so that the limit rod 124 is turned away from the edge of the nut, thereby facilitating the installation of the nut on the bolt.
[0030] In the above embodiment, a rotating support 123 is provided on each side of the first anti-loosening gasket 111, and a limiting rod 124 is provided on each rotating support 123. The limiting rods 124 are rotatably connected to the rotating support 123, and a rubber ring is provided at one end of each four-fifths limiting rod 124 to increase the strength of the limiting rod 124 in limiting the nut.
[0031] In the above embodiment, a heat insulating block is fixed on the heat sink 112. The heat insulating block is a block coated with a ceramic heat insulating coating. The sliding drive member 131 is fixed on the heat insulating block to reduce damage to the sliding drive member 131 caused by excessive temperature of the heat sink 112.
[0032] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.
[0033] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention may be subjected to various simple modifications, including combining the specific technical features in any suitable manner. To avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be considered as disclosed in the present invention and fall within the scope of protection of the present invention.
[0034] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. An automobile anti-loosening gasket, characterized in that: The bolt passes through the connecting piece and is threadedly connected to the nut. The automobile anti-loosening gasket is arranged between the nut and the connecting piece. The automobile anti-loosening gasket includes an anti-loosening gasket body and a fixing assembly. The anti-loosening gasket body includes a first anti-loosening gasket, a heat dissipation plate and a second anti-loosening gasket; the fixing assembly includes a protrusion, a bending ring, a rotating support and a limiting rod; the first anti-loosening gasket is fitted with the nut, the second anti-loosening gasket is fitted with the connecting piece, the heat dissipation plate is arranged between the first anti-loosening gasket and the second anti-loosening gasket, the protrusion protrudes from the surface of the second anti-loosening gasket and is fixed to the The connecting piece is plugged in, the bending ring is arranged on the first anti-loosening gasket and is stuck in the edge thread of the nut, the rotating support is arranged on the surface of the first anti-loosening gasket, the limit rod is rotatably connected to the rotating support, and after the limit rod is rotated, it fits into the nut to limit the rotation of the nut; the area of the heat sink is slightly larger than the area of the first anti-loosening gasket and the second anti-loosening gasket, and staggered serrations are provided on both sides of the heat sink, and grooves that are adapted to the serrations on the heat sink are provided on the first anti-loosening gasket and the second anti-loosening gasket.
2. The automobile anti-loosening gasket according to claim 1, characterized in that: The automobile anti-loosening gasket also includes a sliding assembly, which includes a sliding drive, a sliding rod and a sliding rail. The sliding drive is arranged on the heat dissipation plate, and the sliding rail is fixed to one end of the limiting rod. One end of the sliding rod is connected to the sliding drive, and the other end of the sliding rod is connected to the sliding rail, so that the sliding drive drives the sliding rod to move in the sliding rail and drives the limiting rod to rotate around the rotating support.
3. The automobile anti-loosening gasket according to claim 1, characterized in that: The first anti-loosening washer has a surface that is in contact with the nut and a surface that is in contact with the connector and a texture is provided on the surface. Both the first anti-loosening washer and the second anti-loosening washer have protrusions that are coplanar with the texture.
4. The automobile anti-loosening gasket according to claim 1, characterized in that: The anti-loosening gasket body is provided with a through hole for the bolt to pass through, and a circle of rubber ring is arranged on the surface of the through hole of the anti-loosening gasket body.
5. The automobile anti-loosening gasket according to claim 2, characterized in that: The length of the slide rail is adapted to one fifth of the length of the limiting rod.
6. The automobile anti-loosening gasket according to claim 2, characterized in that: A heat insulation block is fixed on the heat dissipation plate, and the sliding drive component is fixed on the heat insulation block.