CN210859495U - High-strength bolt structure with damping function and automobile - Google Patents
High-strength bolt structure with damping function and automobile Download PDFInfo
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- CN210859495U CN210859495U CN201921861059.4U CN201921861059U CN210859495U CN 210859495 U CN210859495 U CN 210859495U CN 201921861059 U CN201921861059 U CN 201921861059U CN 210859495 U CN210859495 U CN 210859495U
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- buffer block
- screw rod
- strength bolt
- shock
- bolt structure
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Abstract
The utility model discloses a high-strength bolt structure with shock absorption function and an automobile, the high-strength bolt structure comprises a bolt body consisting of a screw rod and a head arranged at the end part of the screw rod, a gasket arranged on the screw rod and used for compressing, a self-locking nut arranged on the screw rod and used for matching and locking the gasket, and a buffer mechanism arranged on the screw rod and positioned between the head and the gasket; adopt this practical car not only can guarantee can not appear abnormal sound in the extreme vibration operating mode, but also can avoid getting into ponding and the phenomenon of corruption in the bolt gap.
Description
Technical Field
The utility model relates to a vehicle suspension technical field, concretely relates to high strength bolt structure and car that possess shock-absorbing function.
Background
In the area of the existing vehicle with larger stress, a high-strength bolt assembly is generally used for connection, in the high-strength bolt connection assembly, the surfaces attached between different parts are mainly in metal fit connection, so that the area of a metal and metal attachment area is larger, and the performance of the connection area can meet the reliable and durable requirement of the whole vehicle; however, in the existing high-strength bolt assembly connection, because the metal surface and the metal surface are in matched connection, abnormal sound may be generated in the area of the metal contact surface when extreme working conditions are met, and the NVH experience performance of the whole vehicle is reduced; meanwhile, the metal surface is connected with the metal surface, so that the assembly is easy to be corroded by water.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a high strength bolt structure and car that possess shock-absorbing function not only can guarantee that abnormal sound can not appear in the extreme vibration operating mode, but also can avoid getting into ponding and the phenomenon of corruption in the bolt gap.
In order to achieve the above object, the present invention provides a high-strength bolt structure with a damping function, which includes a bolt body composed of a screw rod and a head part arranged at the end of the screw rod, a gasket arranged on the screw rod for compressing, a self-locking nut arranged on the screw rod for locking the gasket in a matching manner, and a buffer mechanism arranged on the screw rod and located between the head part and the gasket;
the buffer mechanism comprises an upper buffer block which is sleeved on the screw rod and matched with the head part to compress the vehicle body or the vehicle frame;
the lower buffer block is sleeved on the screw rod, one end of the lower buffer block is matched with the upper buffer block to compress the frame or the vehicle body, and the other end of the lower buffer block is matched with the gasket.
Optionally, a liner tube for locking and limiting is sleeved on the screw rod.
Optionally, an annular rubber layer is arranged on the surface of the head part close to one side of the screw rod.
Optionally, a rubber layer for matching with the self-locking nut is arranged on the surface of the gasket.
Optionally, the length of the liner tube is smaller than the sum of the heights of the upper buffer block and the lower buffer block.
Optionally, a counter bore for supporting and sealing with the lower buffer block in a matching manner is arranged in the center of the lower surface of the upper buffer block;
and a boss matched with the counter bore is arranged in the center of the upper surface of the lower buffer block.
Optionally, the height value of the boss is greater than the depth value of the counter bore;
the diameter value of the counter bore is larger than that of the boss.
Optionally, the annular groove is disposed on the upper surface of the lower buffer block and located on the peripheral side of the boss.
Optionally, liner tube upper portion sets up the first absorption annular that is used for absorbing the last buffer block internal shrinkage deformation volume, the liner tube lower part sets up and is used for absorbing the second absorption annular of buffer block internal shrinkage deformation volume down.
Based on the above-mentioned technical scheme who possesses shock-absorbing function's high strength bolt structure, the utility model discloses an aspect provides an automobile, include a high strength bolt structure who possesses shock-absorbing function.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: the utility model aims at the problems that the metal and metal joint area is large, abnormal sound is generated to reduce the NVH experience performance of the whole vehicle under the limit working condition and the phenomenon of water corrosion caused by the connection of the metal surface and the metal surface is caused in the prior art because the metal and metal joint area is directly matched and connected, the utility model adopts the technical scheme that the annular rubber layer is arranged at the head part of the bolt body to form a stable fixing and sealing structure when being combined with the upper buffer block to fix the vehicle body or the vehicle frame, and the gap between the upper buffer block and the lower buffer block is used for fixing the vehicle frame or the vehicle body to ensure the formation of a stable fixing framework, and simultaneously, the rubber layer is also arranged on the surface of the gasket to ensure the stable fixing of the lower buffer block, so that a stable sealing structure can be formed between the self-locking nut and the gasket after the self-locking nut is fixed, and the noise can not be generated under the limit working condition under the matching of the, meanwhile, the phenomenon that accumulated water enters the high-strength bolt structure to corrode due to contact deformation is avoided.
Drawings
Fig. 1 is a schematic view of the high-strength bolt assembly structure of the present invention;
FIG. 2 is a schematic partial cross-sectional view of the present invention B-B;
fig. 3 is a schematic view of a three-dimensional structure of the bolt body and the gasket of the present invention;
fig. 4 is a front view of the bolt body and the gasket of the present invention;
fig. 5 is a schematic partial sectional view of a-a of the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following description will be combined with the accompanying drawings 1 to 5 of the embodiments of the present invention, to clearly and completely describe the high-strength bolt structure and the automobile with the shock-absorbing function of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
As shown in fig. 1-5: the utility model provides a high strength bolt structure that possesses shock-absorbing function, includes bolt body 100, sets up the buffer gear who is used for fixing frame and automobile body 3 on bolt body 100, sets up the gasket 7 that is used for compressing tightly buffer gear on bolt body 100 to and set up and be used for compressing tightly the dead self-locking nut 8 of lock to the gasket on bolt body 100.
Specifically, the high-strength bolt structure with the shock absorption function comprises a bolt body 100 consisting of a screw rod 9 and a head part 1 arranged at the end part of the screw rod 9, and a surface vulcanized annular rubber layer 2 is arranged at one side, close to the screw rod, of the head part 1, so that the annular rubber layer 2 can be tightly attached to a vehicle body 3, the sealing performance of the joint of the head part 1 and the surface of the vehicle body 3 is ensured, a buffer mechanism is arranged, after the buffer mechanism is pressed and fixed, the vehicle body 3 is fixed through an upper buffer block 4 in the buffer mechanism, then a vehicle frame is fixed and limited in a way that a lower buffer block 6 is matched with the upper buffer block 4, then the buffer mechanism is pressed and fixed through a gasket 7 and a self-locking nut 8 on the screw rod 9, the positioning of the whole bolt structure is realized, and in order to ensure the integral noise reduction and sealing of the structure, a vulcanized rubber layer, when the self-locking nut 8 compresses the gasket, the sealing between the self-locking nut 8 and the gasket 10 can be realized, and meanwhile, the noise generated between the self-locking nut 8 and the gasket 10 under the extreme working condition is also avoided; of course, it is also possible to select a teflon layer as the sealing material for the surface of the head 1 and the surface of the gasket 7 within the reasonable range of the prior art materials.
Therefore, according to the high-strength bolt structure with the damping function, the noise of the vehicle under the limit working condition is solved through reasonable design, and the structure is corroded due to poor sealing; meanwhile, the structure is simple, the installation is convenient, and the manufacturing cost is low.
According to an embodiment of the utility model, the adopted buffer mechanism comprises an upper buffer block 4 which is sleeved on a screw rod 9 and is used for being matched with a head 1 to compress a vehicle body, then the upper buffer block 4 penetrates into an assembly hole on the surface of the vehicle frame, a lower buffer block 6 is sleeved on the screw rod 9 which penetrates through the back surface of the vehicle frame to realize the positioning of the vehicle frame, then a gasket 7 is sleeved, and the gasket 7 is locked through a self-locking nut 8, so that the arrangement of the high-strength bolt structure with the shock absorption function can be realized, wherein the adopted upper buffer block 4 and the adopted lower buffer block 6 are preferably made of vulcanized rubber materials, also can be made of polytetrafluoroethylene materials, also can be made of PE materials, in order to ensure the stability when the vehicle shakes after the installation, a plurality of annular grooves are arranged on the outer surfaces of the upper buffer block 4 and the lower buffer block 6, and can provide good elastic deformation, avoid crushing upper buffer block 4 and lower buffer block 6.
In an embodiment of the utility model, in order to protect the external screw thread on the screw 9 and facilitate the penetration and installation of the upper buffer block 4 and the lower buffer block 6, ensure the uniformity during the assembly simultaneously, set up the bushing pipe 12 that is used for spacing on the screw 9, and set up the length numerical value of bushing pipe 12 and be smaller than the sum numerical value of the upper buffer block 4 and the lower buffer block 6 height, can restrict the locking position of self-locking nut 8 locking and how much dynamics is needed, when avoiding increasing dynamics and rotating the self-locking nut 8 and extruding the upper buffer block 4 and the lower buffer block 6, and the upper buffer block 4 or the lower buffer block 6 that causes is extruded and exceeds the setting elastic force scope, and the phenomenon of inefficacy, can realize the uniformity of dispatching from the factory too; for the convenience of installation and manufacturing, the upper buffer block 4 and the lower buffer block 6 are both cylindrical, so that stress is consistent when any angle deviation occurs under the limit working condition.
In some embodiments of the present invention, in order to protect the mounting holes on the frame from noise caused by rigid contact, a counter bore 15 matched with the upper surface of the lower buffer block is arranged at the central hole position on the lower surface of the upper buffer block 4, and a boss 5 matched with the counter bore 15 is arranged at the center of the upper surface of the lower buffer block 6, and the boss 5 is just matched with an assembly hole on the frame, and in order to ensure the matching effect, the diameter of the boss 5 is smaller than the diameter value of the counter bore 15, so as to ensure the assembly effect, in order to avoid the cutting of the lower buffer block by the edge of the assembly hole on the vehicle frame due to the extrusion of the contact surface of the upper surface of the lower buffer block and the lug boss when the upper surface of the lower buffer block is matched with the lower surface of the upper buffer block to press the vehicle frame, thereby causing a phenomenon that the lower cushion block surface is broken, and therefore, an annular groove 16 is provided on the upper surface of the lower cushion block 6 on the peripheral side of the boss 5.
In other embodiments of the utility model, in order to better realize the compressing effect of the upper buffer block 4 and the lower buffer block 6 on the car body 3, the height value of the adopted boss 5 is greater than the depth value of the counter bore 15, so that when the boss 5 is matched with the counter bore 15, the gap 11 between the lower surface of the upper buffer block 4 and the upper surface of the lower buffer block 6 is smaller than the thickness of the car frame panel, thereby ensuring the fixing effect on the car frame, and also enabling the boss to pass through the compression height during compressing, and realizing further locking and limiting of the assembly hole; in order to realize the phenomenon that the contact surface of the upper buffer block 4 or the lower buffer block 6 deforms to cause long-term extrusion of the upper buffer block 4 or the lower buffer block 6 and the upper buffer block or the lower buffer block 6 fails due to exceeding of the elastic range in the process of compressing the upper buffer block 4 and the lower buffer block 6, a first absorption ring groove 13 for absorbing the deformation amount of the upper buffer block is arranged at the upper part of the liner tube, and a second absorption ring groove 14 for absorbing the deformation amount of the lower buffer block is arranged at the lower part of the liner tube; the absorption ring groove structure with the V-shaped cross section is preferably adopted, and can be designed into an annular groove with a semicircular cross section according to requirements.
Correspondingly because the utility model provides a high strength bolt structure who possesses shock-absorbing function is applied to the car, consequently, the embodiment of the utility model provides a car is still provided, include as above high strength bolt structure who possesses shock-absorbing function, wherein, the embodiment of above-mentioned high strength bolt structure who possesses shock-absorbing function all is applicable to the embodiment of this car, also can reach the same technological effect.
The utility model discloses a use method: firstly, a bolt body 100 penetrates through an assembly hole in a vehicle body 3, then a liner tube 12 is sleeved on the bolt body 100, then an upper buffer block 4 is sleeved on the liner tube 12, the structure penetrates through the assembly hole in the vehicle frame, then the liner tube is sleeved on a lower buffer block 6, a gasket 7 is sleeved on the bolt body 100 after a lug 5 of the lower buffer block 6 penetrates through the assembly hole and is matched and compressed with a counter bore 15, and finally a self-locking nut 8 is fastened on the bolt body 100 through a wrench until the self-locking nut advances towards a head part 1 to enable the gasket 4 to be compressed with the end face of the liner tube 12, so that the consistency of leaving a factory can be ensured.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a high strength bolt structure that possesses shock-absorbing function which characterized in that: the bolt comprises a bolt body (100) consisting of a screw rod (9) and a head (1) arranged at the end part of the screw rod (9), a gasket (7) arranged on the screw rod (9) and used for compressing, a self-locking nut (8) arranged on the screw rod (9) and used for matching and locking the gasket (7), and a buffer mechanism arranged on the screw rod (9) and positioned between the head (1) and the gasket (7);
the buffer mechanism comprises an upper buffer block (4) which is sleeved on the screw rod (9) and is matched with the head part (1) to press the vehicle body or the vehicle frame tightly;
the screw rod (9) is sleeved with the lower buffer block (6), one end of the lower buffer block is matched with the upper buffer block (4) to compress the frame or the vehicle body, and the other end of the lower buffer block is matched with the gasket (7).
2. The high-strength bolt structure with a shock-absorbing function according to claim 1, wherein: and a liner tube (12) for locking and limiting is sleeved on the screw rod (9).
3. The high-strength bolt structure with a shock-absorbing function according to claim 2, wherein: the surface of the head (1) close to one side of the screw rod (9) is provided with an annular rubber layer (2).
4. The high-strength bolt structure with a shock-absorbing function according to claim 2, wherein: and a rubber layer (10) matched with the self-locking nut (8) is arranged on the surface of the gasket (7).
5. The high-strength bolt structure with a shock-absorbing function according to claim 2, wherein: the length value of the liner tube (12) is smaller than the value of the sum of the heights of the upper buffer block (4) and the lower buffer block (6).
6. The high-strength bolt structure with a shock-absorbing function according to claim 1, wherein: a counter bore (15) which is used for being matched with the lower buffer block (6) to support and seal is formed in the center of the lower surface of the upper buffer block (4);
and a boss (5) matched with the counter bore (15) is arranged at the center of the upper surface of the lower buffer block (6).
7. The high-strength bolt structure with a shock-absorbing function according to claim 6, wherein: the height value of the boss (5) is larger than the depth value of the counter bore (15);
the diameter value of the counter bore (15) is larger than that of the boss (5).
8. The high-strength bolt structure with a shock-absorbing function according to claim 6, wherein: and the annular groove (16) is arranged on the upper surface of the lower buffer block (6) and is positioned on the peripheral side of the boss (5).
9. The high-strength bolt structure with a shock-absorbing function according to claim 2, wherein: liner tube (12) upper portion sets up first absorption annular (13) that are used for absorbing last buffer block (4) internal contraction deformation volume, liner tube (12) lower part sets up and is used for absorbing second absorption annular (14) of buffer block (6) internal contraction deformation volume down.
10. An automobile, characterized in that: a high-strength bolt structure with a shock-absorbing function comprising any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921861059.4U CN210859495U (en) | 2019-10-31 | 2019-10-31 | High-strength bolt structure with damping function and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921861059.4U CN210859495U (en) | 2019-10-31 | 2019-10-31 | High-strength bolt structure with damping function and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN210859495U true CN210859495U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921861059.4U Active CN210859495U (en) | 2019-10-31 | 2019-10-31 | High-strength bolt structure with damping function and automobile |
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| Country | Link |
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| CN (1) | CN210859495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251055A (en) * | 2021-06-18 | 2021-08-13 | 中国北方发动机研究所(天津) | Connecting structure for changing natural frequency of bolt |
-
2019
- 2019-10-31 CN CN201921861059.4U patent/CN210859495U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251055A (en) * | 2021-06-18 | 2021-08-13 | 中国北方发动机研究所(天津) | Connecting structure for changing natural frequency of bolt |
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