CN220523009U - Pin shaft structure, suspension system and vehicle - Google Patents
Pin shaft structure, suspension system and vehicle Download PDFInfo
- Publication number
- CN220523009U CN220523009U CN202322222187.7U CN202322222187U CN220523009U CN 220523009 U CN220523009 U CN 220523009U CN 202322222187 U CN202322222187 U CN 202322222187U CN 220523009 U CN220523009 U CN 220523009U
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- penetrating
- bolt
- pin shaft
- internal thread
- thread groove
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- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 68
- 239000006096 absorbing agent Substances 0.000 claims abstract description 32
- 230000035939 shock Effects 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a pin shaft structure, a suspension system and a vehicle, wherein the pin shaft structure comprises a pin shaft body and a bolt assembly, the pin shaft body comprises a first penetrating section and a second penetrating section which are connected, the first penetrating section is provided with a first internal thread groove, an opening of the first internal thread groove is formed in the free end face of the first penetrating section, the second penetrating section is provided with a second internal thread groove, an opening of the second internal thread groove is formed in the free end face of the second penetrating section, the first penetrating section is used for penetrating through a fastening hole of a shock absorber, and the second penetrating section is used for penetrating through a mounting hole of a plate spring; the bolt assembly includes a first bolt screwed into the first internal thread groove to fasten the damper, and a second bolt screwed into the second internal thread groove to fasten the leaf spring. According to the technical scheme, the length of the pin shaft structure can be shortened, the requirement of the pin shaft on the arrangement space is reduced, the pin shaft structure is convenient to install and arrange, and interference between the pin shaft structure and surrounding parts is avoided.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a pin shaft structure, a suspension system and a vehicle.
Background
With the continuous maturity of automobile manufacturing industry, the car is more advanced, and the part of car is more, and the arrangement of spare part on the vehicle is more diversified.
At present, in the market, a damper and a plate spring are generally connected together through a pin shaft structure, but the length of the pin shaft structure is long, so that interference with surrounding parts is easy to occur.
Disclosure of Invention
The utility model mainly aims to provide a pin shaft structure, which aims to shorten the length of the pin shaft structure.
In order to achieve the above object, the present utility model provides a pin structure for a suspension system including a damper and a leaf spring, the pin structure comprising:
the hinge pin comprises a hinge pin body, wherein the hinge pin body comprises a first penetrating section and a second penetrating section which are connected, the first penetrating section is provided with a first internal thread groove, an opening of the first internal thread groove is formed in the end face of the free end of the first penetrating section, the second penetrating section is provided with a second internal thread groove, an opening of the second internal thread groove is formed in the end face of the free end of the second penetrating section, the first penetrating section is used for penetrating through a fastening hole of the shock absorber, and the second penetrating section is used for penetrating through a mounting hole of the plate spring; and
the bolt assembly comprises a first bolt and a second bolt, wherein the first bolt is screwed into the first internal thread groove to fasten the shock absorber, and the second bolt is screwed into the second internal thread groove to fasten the plate spring.
Optionally, a limiting part is arranged on the outer peripheral surface between the first penetrating section and the second penetrating section, and the limiting part is used for being matched with an external part so as to limit the rotation of the pin shaft body.
Optionally, the cross section of the limiting part is polygonal.
Optionally, the cross section of the limiting part is hexagonally arranged.
Optionally, the limiting part and the pin shaft body are integrally formed.
Optionally, the pin shaft structure includes a plurality of flat washers, the flat washers are disposed between the free end of the first penetrating segment and the bolt head of the first bolt, and the flat washers are disposed between the free end of the second penetrating segment and the bolt head of the second bolt; and/or
The opposite ends of the limiting part are respectively provided with a flat gasket.
Optionally, the pin shaft structure includes a plurality of elastic washers, one elastic washer is disposed between the flat washer and the bolt head of the first bolt, and one elastic washer is disposed between the flat washer and the bolt head of the second bolt.
Optionally, the first internal thread groove and the second internal thread groove are arranged in a spaced-apart manner.
The utility model also provides a suspension system which comprises a shock absorber, a plate spring and the pin shaft structure, wherein the shock absorber is fixed with the plate spring through the pin shaft structure.
The utility model also provides a vehicle comprising the suspension system.
The pin shaft structure at least comprises the following beneficial effects:
according to the technical scheme, the first threaded groove is formed in the first penetrating section, the first penetrating section penetrates through the fastening hole of the shock absorber, the first bolt is screwed into the first threaded groove to fasten the shock absorber and the pin shaft structure into a whole, the second threaded groove is formed in the second penetrating section, the second penetrating section penetrates through the mounting hole of the plate spring, the second bolt is screwed into the second internal threaded groove to fasten the plate spring and the pin shaft structure into a whole, the plate spring and the shock absorber are fastened together, in the prior art, the shock absorber and the plate spring are fastened together through the nut and the external threads of the pin shaft structure, and after the nut is fastened on the pin shaft structure, part of the external thread section is reserved on the side, which is away from the shock absorber and the plate spring, of the pin shaft structure, so that the length of the pin shaft structure is long, the reserved external thread section can be omitted, the length of the pin shaft structure is reduced, the installation arrangement of the pin shaft structure is facilitated, interference between the pin shaft structure and surrounding parts is avoided, meanwhile, the utilization rate of materials is improved, and manufacturing cost is reduced; and when the pin shaft structure is in an external thread form, the blanking length is increased, the turning waste is increased, the resource is wasted, and the manufacturing cost of parts is high. The technical scheme of the utility model can shorten the length of the pin shaft structure, reduce the requirement of the pin shaft on the arrangement space, facilitate the installation and arrangement of the pin shaft structure and avoid the interference of the pin shaft structure and surrounding parts.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of an embodiment of a pin structure according to the present utility model;
fig. 2 is a schematic cross-sectional view of a pin body of the pin structure;
fig. 3 is a schematic structural view of a pin structure.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Pin shaft body | 210 | First bolt |
| 110 | A first penetrating section | 220 | Second bolt |
| 111 | First internal thread groove | 300 | Flat gasket |
| 120 | A second penetrating section | 400 | Elastic washer |
| 121 | Second internal threadGroove(s) | 500 | Leaf spring |
| 130 | Limiting part | 600 | Shock absorber |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a pin shaft structure.
Referring to fig. 1 to 3, in an embodiment of the present utility model, the pin structure is used for a suspension system including a shock absorber 600 and a leaf spring 500, the pin structure includes a pin body 100 and a bolt assembly, the pin body 100 includes a first penetrating segment 110 and a second penetrating segment 120 connected to each other, the first penetrating segment 110 is provided with a first internal thread groove 111, an opening of the first internal thread groove 111 is provided at a free end face of the first penetrating segment 110, the second penetrating segment 120 is provided with a second internal thread groove 121, an opening of the second internal thread groove 121 is provided at a free end face of the second penetrating segment 120, the first penetrating segment 110 is used for penetrating a fastening hole of the shock absorber 600, and the second penetrating segment 120 is used for penetrating a mounting hole of the leaf spring 500; the bolt assembly includes a first bolt 210 and a second bolt 220, the first bolt 210 being screwed into the first female screw groove 111 to fasten the shock absorber 600, and the second bolt 220 being screwed into the second female screw groove 121 to fasten the leaf spring 500.
Specifically, a first threaded groove is formed in the first penetrating segment 110, the first penetrating segment 110 is penetrated through a fastening hole of the shock absorber 600, and the first bolt 210 is screwed into the first threaded groove to fasten the shock absorber 600 and the pin shaft structure into a whole, a second threaded groove is formed in the second penetrating segment 120, and the second penetrating segment 120 is penetrated through a mounting hole of the plate spring 500, and the second bolt 220 is screwed into the second internal threaded groove 121 to fasten the plate spring 500 and the pin shaft structure into a whole, so that the plate spring 500 and the shock absorber 600 are fastened together, in the prior art, the shock absorber 600 and the plate spring 500 are fastened together through external threads of a nut and the pin shaft structure, and after the nut is locked on the pin shaft structure, a part of the external thread section is still reserved on one side of the pin shaft structure, which is away from the shock absorber and the plate spring, so that the length of the pin shaft structure is longer. And when the pin shaft structure is in an external thread form, the blanking length is increased, the turning waste is increased, the resource is wasted, and the manufacturing cost of parts is high. The technical scheme of the utility model can shorten the length of the pin shaft structure, reduce the requirement of the pin shaft on the arrangement space, facilitate the installation and arrangement of the pin shaft structure and avoid the interference of the pin shaft structure and surrounding parts.
Optionally, a limiting portion 130 is disposed on an outer circumferential surface between the first penetrating segment 110 and the second penetrating segment 120, and the limiting portion 130 is configured to cooperate with an external component to limit rotation of the pin shaft body 100, so that rotation of the pin shaft body 100 during tightening of assembly can be avoided, and thus an operator can conveniently screw the first bolt 210 and the second bolt 220, and fastening efficiency of the shock absorber 600 and the leaf spring 500 is improved.
Alternatively, the cross section of the limiting portion 130 is polygonal, which is favorable for clamping the external component and the limiting portion 130, so that the sliding of the limiting portion 130 and the external component is avoided, and the fastening efficiency of the shock absorber 600 and the leaf spring 500 is improved.
Optionally, the cross section of the limiting portion 130 is in a hexagonal arrangement, most of the cross sections of the nut and the bolt head in the prior art are hexagonal, the cross section of the limiting portion 130 is arranged into a hexagon, and external components such as a proper wrench are convenient to select to be matched with the cross section of the limiting portion, so that the stability of the clamping of the limiting portion 130 and the external components such as the wrench is improved, the rotation of the pin shaft body 100 is avoided, and the stability of the installation of the shock absorber 600 and the plate spring 500 is improved. Of course, the present utility model is not limited thereto, and in other embodiments, the cross section of the limiting portion 130 may be arranged in a quadrilateral shape.
Alternatively, the limiting portion 130 is integrally formed with the pin body 100; it can be understood that the integrated processing technology has high structural rigidity, good integrity and stronger stability, is not easy to break, can also avoid residues to remain in the gaps, and enables the manufacturing technology and the installation flow to be more convenient and quicker, and the integrated processing technology can increase the strength of the pin shaft body 100 and improve the processing efficiency of the pin shaft body 100. Of course, the present utility model is not limited thereto, and in other embodiments, the limiting portion 130 may be welded to the pin body 100.
Optionally, in an embodiment, the pin structure includes a plurality of flat washers 300, wherein the flat washer 300 is disposed between the free end of the first penetrating segment 110 and the bolt head of the first bolt 210, and a flat washer 300 is disposed between the free end of the second penetrating segment 120 and the bolt head of the second bolt 220; it will be appreciated that the flat washer 300 serves to increase the contact area between the product workpieces, and to reduce the damage caused by friction between the first penetrating segment 110 and the bolt head of the first bolt 210, the second penetrating segment 120 and the bolt head of the second bolt 220 by increasing the contact area between the first penetrating segment 110 and the bolt head of the first bolt 210, and the contact area between the second penetrating segment 120 and the bolt head of the second bolt 220; the pressure between the bolt and the pin shaft body is reduced, and then the protection effect is achieved.
Optionally, in an embodiment, each of opposite ends of the limiting portion 130 is provided with a flat washer 300; it will be appreciated that each of the opposite ends of the limiting portion 130 is provided with a flat washer 300, that is, a flat washer 300 is provided between the limiting portion 130 and the bracket of the leaf spring 500, a flat washer 300 is provided between the limiting portion 130 and the shock absorber 600, and the flat washer 300 has the function of increasing the contact area between the product workpieces, and reducing the pressure between the limiting portion 130 and the bracket of the leaf spring 500 and between the limiting portion 130 and the shock absorber 600 by increasing the contact area between the limiting portion 130 and the bracket of the leaf spring 500 and between the limiting portion 130 and the shock absorber 600, thereby playing a role of protection.
Optionally, the pin structure includes a plurality of elastic washers 400, and an elastic washer 400 is disposed between the flat washer 300 and the bolt head of the first bolt 210, and an elastic washer 400 is disposed between the flat washer 300 and the bolt head of the second bolt 220. The anti-loosening device has certain elasticity, and can play a role in loosening prevention by virtue of the elasticity after installation. It can be appreciated that the spring washer can have good anti-loosening and anti-vibration effects; the spring washer has simple production process and relatively low manufacturing cost, so the price is relatively low; the product is simple and the installation is convenient, therefore, an elastic washer 400 is respectively arranged between the flat washer 300 and the bolt head of the first bolt 210 and between the flat washer 300 and the bolt head of the second bolt 220, so that the first bolt 210 and the second bolt 220 can be prevented from loosening, and the connection stability of the plate spring 500 and the pin shaft body 100 and the connection stability of the shock absorber 600 and the pin shaft body 100 can be increased or decreased.
Alternatively, the first and second internal thread grooves 111 and 121 are provided to be spaced apart from each other, so that a process of a communication passage between the first and second internal thread grooves 111 and 121 can be reduced, thereby reducing a process cost. Of course, the present utility model is not limited thereto, and in other embodiments, the first female screw groove 111 and the second female screw groove 121 may be disposed in communication.
Further, the diameter of the first penetrating segment 110 is smaller than the diameter of the second penetrating segment 120.
Further, the aperture of the first female screw groove 111 is smaller than that of the second screw groove.
Further, the material of the pin shaft body 100 is configured as steel, which not only has high strength, but also has better plasticity and toughness, so that the pin shaft body 100 has better strength and longer service life.
The present utility model also proposes a suspension system, which includes a shock absorber 600, a leaf spring 500 and a pin structure, and the specific structure of the pin structure refers to the above embodiment. Wherein the damper 600 is fixed to the plate spring 500 by a pin structure.
The utility model also provides a vehicle, which comprises a suspension system, wherein the specific structure of the suspension system refers to the embodiment, and the vehicle adopts all the technical schemes of all the embodiments, so that the vehicle has at least all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A pin structure for a suspension system including a shock absorber and a leaf spring, the pin structure comprising:
the hinge pin comprises a hinge pin body, wherein the hinge pin body comprises a first penetrating section and a second penetrating section which are connected, the first penetrating section is provided with a first internal thread groove, an opening of the first internal thread groove is formed in the end face of the free end of the first penetrating section, the second penetrating section is provided with a second internal thread groove, an opening of the second internal thread groove is formed in the end face of the free end of the second penetrating section, the first penetrating section is used for penetrating through a fastening hole of the shock absorber, and the second penetrating section is used for penetrating through a mounting hole of the plate spring; and
the bolt assembly comprises a first bolt and a second bolt, wherein the first bolt is screwed into the first internal thread groove to fasten the shock absorber, and the second bolt is screwed into the second internal thread groove to fasten the plate spring.
2. The pin shaft structure of claim 1, wherein a limiting portion is provided on an outer peripheral surface between the first penetrating segment and the second penetrating segment, and the limiting portion is configured to cooperate with an external component to limit rotation of the pin shaft body.
3. The pin structure of claim 2, wherein the cross section of the limiting portion is polygonal.
4. A pin structure according to claim 3, wherein the cross section of the limiting portion is hexagonally arranged.
5. The pin structure of claim 2, wherein the limit portion is integrally formed with the pin body.
6. The pin shaft structure according to claim 2, wherein the pin shaft structure comprises a plurality of flat washers, the flat washers being provided between the free ends of the first penetrating segments and the bolt heads of the first bolts, the flat washers being provided between the free ends of the second penetrating segments and the bolt heads of the second bolts; and/or
The opposite ends of the limiting part are respectively provided with a flat gasket.
7. The pin structure of claim 6, wherein said pin structure includes a plurality of resilient washers, said resilient washer being disposed between said flat washer and a bolt head of said first bolt, and said resilient washer being disposed between said flat washer and a bolt head of said second bolt.
8. The pin structure of claim 1, wherein said first internal thread groove and said second internal thread groove are disposed in spaced apart relation.
9. A suspension system comprising a shock absorber, a leaf spring and a pin structure as claimed in any one of claims 1 to 8, the shock absorber being secured to the leaf spring by the pin structure.
10. A vehicle comprising the suspension system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322222187.7U CN220523009U (en) | 2023-08-17 | 2023-08-17 | Pin shaft structure, suspension system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322222187.7U CN220523009U (en) | 2023-08-17 | 2023-08-17 | Pin shaft structure, suspension system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523009U true CN220523009U (en) | 2024-02-23 |
Family
ID=89937791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322222187.7U Active CN220523009U (en) | 2023-08-17 | 2023-08-17 | Pin shaft structure, suspension system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523009U (en) |
-
2023
- 2023-08-17 CN CN202322222187.7U patent/CN220523009U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |