CN117145908A - Upper supporting bushing structure and upper support for shock absorber - Google Patents
Upper supporting bushing structure and upper support for shock absorber Download PDFInfo
- Publication number
- CN117145908A CN117145908A CN202311432116.8A CN202311432116A CN117145908A CN 117145908 A CN117145908 A CN 117145908A CN 202311432116 A CN202311432116 A CN 202311432116A CN 117145908 A CN117145908 A CN 117145908A
- Authority
- CN
- China
- Prior art keywords
- elastic
- bushing
- upper support
- shock absorber
- protrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000035939 shock Effects 0.000 title claims abstract description 30
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 28
- 230000008093 supporting effect Effects 0.000 title description 9
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/108—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to an upper support bushing structure for a shock absorber and an upper support, which comprise a bushing body, wherein a plurality of elastic bulges protruding out of the bushing body are arranged on two end surfaces of the bushing body, and a plurality of elastic columns are arranged on the end surfaces of the elastic bulges far away from the bushing body in parallel. And also relates to an upper support comprising the bushing structure. According to the upper support bushing structure and the corresponding upper support, the elastic protruding parts of the bushing body are provided with the plurality of elastic columns, so that the impact process is prolonged, the impact force is further buffered, and abnormal sound caused by impact can be reduced to a great extent.
Description
Technical Field
The invention relates to the field of shock absorbers, in particular to an upper support bushing structure for a shock absorber and an upper support.
Background
The upper support on the shock absorber is an important part of a shock absorption support column and a vehicle body in an automobile chassis system, and the main functions of the shock absorber are to connect the chassis suspension system and the vehicle body, transmit load, attenuate vibration and noise, and the shock absorber is required to meet certain comfort and operation stability requirements of the whole vehicle in design and effectively attenuate the vibration and noise transmitted by a road surface through wheels. The piston rod penetrates through the center hole of the bushing, the upper support is arranged on the shock absorber body through the nut, the shock absorber stretches and compresses in the running process of the vehicle, the piston rod drives the bushing to move up and down, rubber on one side of the bushing subjected to force in one direction is extruded, and a rubber boss on the other side of the bushing leaves the upper support shell or the cover plate; when the shock absorber is restored, the upper end of the boss collides with the shell or the cover plate to give out larger abnormal sound, and in order to solve the problem, an upper supporting bushing structure and an upper support for the shock absorber are disclosed.
Disclosure of Invention
The invention provides an upper support bushing structure for a shock absorber and an upper support, wherein a plurality of elastic columns are arranged on an elastic bulge part of a bushing body, so that the impact process is prolonged, the impact force is further buffered, and abnormal sound caused by the impact can be reduced to a great extent.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides an upper supporting bushing structure for bumper shock absorber, includes the bush body, and above-mentioned bush body both ends face all has a plurality of salient in the elasticity of above-mentioned bush body, and on the terminal surface that above-mentioned bush body was kept away from to above-mentioned elasticity arch parallel arrangement had a plurality of elasticity posts.
Preferably, the bushing body includes an outer frame, an elastic bushing, and an inner core sequentially disposed from outside to inside, the elastic protrusions are disposed at two ends of the elastic bushing, and the ends of the elastic protrusions, far away from the elastic bushing, protrude from the outer frame.
Preferably, the cross section of the elastic protrusion is smaller and smaller toward a direction away from the elastic bushing, and an end surface of the elastic protrusion away from the bushing body is an arc surface or a plane structure.
Preferably, the end surface of the elastic protrusion far away from the bushing body has a planar structure, and the projection of the outermost elastic column on the end surface of the elastic protrusion is tangential to the edge line of the end surface of the elastic protrusion.
Preferably, the elastic posts are uniformly distributed on the end surface of the elastic protrusion away from the elastic bushing.
Preferably, a plurality of the elastic posts are flush with one end away from the elastic protrusion.
Preferably, the end of the elastic column away from the elastic protrusion has a spherical structure.
Preferably, the elastic bushing, the elastic protrusion, and the elastic column are integrally formed.
Preferably, the elastic bushing, the elastic protrusion and the elastic column are made of rubber materials.
An upper support for a shock absorber having the upper support bushing structure described above.
Compared with the prior art, the invention has the beneficial effects that:
the elastic bulge on the lining body is far away from the end face of the lining body and is provided with a plurality of elastic columns, when the lining body is compressed in use, the elastic columns are firstly contacted with the inner side wall or the cover plate of the shell, then force is transferred to the elastic bulge through the elastic columns, and then the elastic bulge is impacted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of an upper support bushing according to an embodiment of the present invention;
FIG. 2 is an overall elevation view of an upper support bushing structure of an embodiment of the invention;
fig. 3 is an exploded view of an upper support according to an embodiment of the present invention.
Reference numerals:
1 a bushing body; an outer skeleton 11; 12 elastic bushings; 13 inner core; 14 elastic protrusions; 15 elastic columns; 2, a cover plate; 3, a shell; 31.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-2, the embodiment of the invention provides an upper support bushing structure for a shock absorber, which comprises a bushing body 1, wherein the bushing body 1 is one of components on an upper support of the shock absorber in an automobile chassis system and plays a role of buffering, and specifically, the bushing body 1 comprises an outer framework 11, an elastic bushing 12 and an inner core 13 which are sequentially arranged from outside to inside, the outer framework 11 is used for fixing the elastic bushing 12 and the inner core 13 inside, a mounting hole is formed in the middle of the elastic bushing 12, the inner core 13 is arranged at the mounting hole of the elastic bushing 12 and provided with a through hole for connecting a piston rod, elastic protrusions 14 are arranged at two ends of the elastic bushing 12, and the ends of the elastic protrusions 14, which are far away from the elastic bushing 12, are protruded out of the outer framework 11 and used for buffering and filtering shock; during the movement of the vehicle, under the action of the piston rod, the elastic bushing 12 is compressed or reversely compressed, and the elastic bulge 14 on the elastic bushing 12 can strike the shell 3 or the cover plate 2 in the support, while the bulge made of the elastic material can buffer and filter vibration to a certain extent, larger striking abnormal sound still occurs when the elastic bulge 14 strikes the shell 3 or the cover plate 2; in order to improve the use condition, the following technical scheme is adopted: a plurality of elastic posts 15 are arranged on the end face of each elastic bulge 14 away from the bushing body 1, and due to the existence of the elastic posts 15, in the process of compressing or reversely compressing the bushing body 1, the impact process is as follows: the shell 3 or the cover plate 2 is contacted with the elastic column 15 firstly, the impact force is transmitted to the elastic bulge 14 through the elastic column 15, and then the elastic column 15 is flattened to impact with the elastic bulge 14; the elastic protrusions 14 are provided with gaps between two elastic columns 15, and the projection area of the elastic columns 15 at the end parts of the elastic protrusions 14 is smaller than the area of the end parts of the elastic protrusions 14, so compared with the situation that the elastic protrusions 14 are directly impacted, the impact part formed by the elastic columns 15 is smaller in rigidity relative to the impact part formed by the end parts of the elastic protrusions 14, which is equivalent to the situation that the instant rigidity of the elastic protrusions 14 is directly changed during impact, the abnormal sound generated by initial impact is relatively smaller, the elastic columns 15 are elastic, the effect of filtering and buffering vibration can be achieved, the whole impact process can be prolonged due to the existence of the elastic columns 15, the effect of further buffering impact force is achieved, and abnormal sound generated in the impact process can be greatly reduced due to the existence of the elastic columns 15.
Specifically, the plurality of elastic protrusions 14 are uniformly distributed along the circumferential direction, and the cross sections of the elastic protrusions 14 are smaller and smaller towards the direction away from the elastic bushing 12, namely, the elastic protrusions 14 are in a frustum-like structure, grooves formed between every two elastic protrusions 14 are also in a frustum-like structure, and when the elastic protrusions 14 collide with the shell 3 or the cover plate 2, the supporting effect and the buffering effect are better; specifically, the end surface of the elastic protrusion 14 away from the liner body 1 may be an arc structure or a planar structure, and when the end of the elastic protrusion 14 is in an arc structure, the plurality of elastic columns 15 are disposed on the arc surface, that is, in order to ensure that the elastic columns 15 contact with the inner side wall of the shell 3 or the cover plate 2 during collision, for the same elastic protrusion 14, the distance between the end of the elastic column 15 on the elastic protrusion 14 and the end surface of the elastic liner 12 is greater than the distance between the farthest point of the arc end of the elastic protrusion 14 and the end surface of the elastic liner 12, so that the end parts of the elastic columns 15 are protruded from the elastic protrusion 14; when the end of the elastic protrusion 14 has a planar structure, the plurality of elastic columns 15 are disposed on the planar surface, and the elastic columns 15 naturally protrude from the elastic protrusion 14.
Preferably, the end of the elastic protrusion 14 away from the elastic bushing 12 is provided in a planar structure, so that in the event of a collision, the plurality of elastic protrusions 14 provided on the plane will support and cushion relatively better with respect to the plurality of elastic protrusions 14 provided on the arc surface, since the mounting surface is planar, the supporting force thereof will be in the direction perpendicular to the plane, and since the elastic posts 15 are provided in parallel, the elastic posts 15 are not provided perpendicular to the arc surface, the supporting force of the elastic posts 15 on the arc surface will be smaller than the supporting force of the elastic posts 15 provided on the plane, so that the elastic protrusions 14 provided on the plane will support and cushion better; and the projection of the outermost elastic column 15 on the end face of the elastic bulge 14 is tangential to the edge line of the end face of the elastic bulge 14, so as to ensure that the elastic column 15 can spread over the whole end of the elastic bulge 14, thereby ensuring the supporting and buffering effects of the elastic column 15.
Preferably, in order to make the stress on the end of the elastic protrusion 14 uniform and to make the service life of the elastic protrusion, the elastic posts 15 on any one elastic protrusion 14 are uniformly distributed on the end surface of the elastic protrusion far away from the elastic bushing 12, so that the distance between every two elastic posts 15 is equal, and the force transmitted to each place of the end of the elastic protrusion 14 by the elastic posts 15 is equal during collision, so that the buffering effect is better.
Preferably, in order to ensure the service life of the elastic columns 15, the ends of the elastic columns 15 far away from the elastic protrusions 14 should be flush, so that during a collision, the ends of the elastic columns 15 can be simultaneously contacted with the inner side wall of the housing 3 or the cover plate 2, and meanwhile, stress is applied, so that the situation that the elastic columns 15 are different in length, a certain part of the elastic columns 15 are stressed first, the rest part of the elastic columns 15 are stressed later, the stress is uneven, the service life of the stressed elastic columns 15 is short, and the subsequent buffering effect is poor is caused.
Preferably, the end of the elastic column 15 remote from the elastic protrusion 14 has a spherical structure; the elastic bushing 12, the elastic bulge 14 and the elastic column 15 are of an integrated structure, so that the processing cost is lower, and the trouble of independent production and assembly of the three parts is avoided; and the elastic bushing 12, the elastic bulge 14 and the elastic column 15 are all made of rubber materials, so that the cost is low and the buffering effect is good.
As shown in fig. 3, the invention further discloses an upper support for a shock absorber, which specifically comprises a housing 3, a cover plate 2 and an upper support bushing structure, wherein an upper mounting groove 31 and a lower mounting groove are respectively formed in the upper end face and the lower end face of the housing 3, a mounting hole is formed between the upper mounting groove 31 and the lower mounting groove, the upper support bushing is installed in the upper mounting groove 31 in an interference manner, the cover plate 2 is installed through a spin riveting process of the housing 3, the cover plate 2 is pressed down by the spin riveting housing 3, and a piston rod sequentially passes through the lower mounting groove and the mounting hole and is connected with an inner core 13 in an elastic bushing 12, so that the piston rod moves, the elastic bushing 12 in the bushing body 1 is compressed or reversely compressed, and due to the arrangement of an elastic column 15, abnormal sound generated when the elastic bulge 14 impacts the housing 3 or the cover plate 2 can be greatly reduced due to the effect of further buffering impact force.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (10)
1. The utility model provides a support bushing structure on shock absorber is with, its characterized in that includes the bush body, bush body both ends face all have a plurality of protrusion in the elasticity of bush body is protruding, the elasticity protruding keep away from on the terminal surface of bush body parallel arrangement has a plurality of elastic columns.
2. The upper support bushing structure for a shock absorber according to claim 1, wherein the bushing body comprises an outer skeleton, an elastic bushing and an inner core which are sequentially arranged from outside to inside, the elastic protrusions are arranged at two ends of the elastic bushing, and the ends of the elastic protrusions, which are far away from the elastic bushing, protrude from the outer skeleton.
3. The upper support bushing structure for a shock absorber according to claim 2, wherein the cross section of the elastic protrusion is smaller and smaller toward a direction away from the elastic bushing, and an end surface of the elastic protrusion away from the bushing body is a cambered surface or a planar structure.
4. A shock absorber upper support bushing structure according to claim 3, wherein the end surface of the elastic bulge away from the bushing body is a planar structure, and the projection of the outermost elastic column on the end surface of the elastic bulge is tangential to the edge line of the end surface of the elastic bulge.
5. The upper support bushing structure for a shock absorber of claim 4, wherein said elastic posts are uniformly distributed on an end surface of said elastic protrusions remote from said elastic bushing.
6. The upper support bushing structure for a shock absorber of claim 5 wherein a plurality of said spring posts are flush at an end remote from said spring projection.
7. The upper support bushing structure for a shock absorber of claim 2 wherein the end of said spring post remote from said spring boss is of spherical configuration.
8. The upper support bushing structure for a shock absorber according to claim 2, wherein the elastic bushing, the elastic protrusion, and the elastic column are an integrally formed structure.
9. The upper support bushing structure for a shock absorber of claim 2, wherein said elastic bushing, said elastic protrusion and said elastic column are all made of a rubber material.
10. An upper support for a shock absorber, having an upper support bushing structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311432116.8A CN117145908A (en) | 2023-10-31 | 2023-10-31 | Upper supporting bushing structure and upper support for shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311432116.8A CN117145908A (en) | 2023-10-31 | 2023-10-31 | Upper supporting bushing structure and upper support for shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117145908A true CN117145908A (en) | 2023-12-01 |
Family
ID=88912473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311432116.8A Pending CN117145908A (en) | 2023-10-31 | 2023-10-31 | Upper supporting bushing structure and upper support for shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117145908A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009068620A (en) * | 2007-09-14 | 2009-04-02 | Toyo Tire & Rubber Co Ltd | Vibration control bush |
| CN108266472A (en) * | 2018-01-16 | 2018-07-10 | 江苏骆氏减震件有限公司 | Elastic shock attenuation bush Assembly |
| CN109866568A (en) * | 2019-03-29 | 2019-06-11 | 重庆长安汽车股份有限公司 | A kind of attachment device and automobile of rear shock absorber |
| CN214999004U (en) * | 2021-06-24 | 2021-12-03 | 江苏骆氏减震件有限公司 | Novel rubber noise reduction structure |
| CN216915431U (en) * | 2022-03-10 | 2022-07-08 | 浙江吉利控股集团有限公司 | Chassis bush structure and car |
| CN218971714U (en) * | 2022-12-20 | 2023-05-05 | 建新赵氏科技股份有限公司 | Novel auxiliary frame bushing with buffer block |
| CN219013241U (en) * | 2022-12-20 | 2023-05-12 | 建新赵氏科技股份有限公司 | Novel auxiliary frame bushing |
| CN219755191U (en) * | 2023-05-17 | 2023-09-26 | 安徽鼎封橡胶减震技术有限公司 | Novel shock absorber top connecting plate assembly bushing |
-
2023
- 2023-10-31 CN CN202311432116.8A patent/CN117145908A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009068620A (en) * | 2007-09-14 | 2009-04-02 | Toyo Tire & Rubber Co Ltd | Vibration control bush |
| CN108266472A (en) * | 2018-01-16 | 2018-07-10 | 江苏骆氏减震件有限公司 | Elastic shock attenuation bush Assembly |
| CN109866568A (en) * | 2019-03-29 | 2019-06-11 | 重庆长安汽车股份有限公司 | A kind of attachment device and automobile of rear shock absorber |
| CN214999004U (en) * | 2021-06-24 | 2021-12-03 | 江苏骆氏减震件有限公司 | Novel rubber noise reduction structure |
| CN216915431U (en) * | 2022-03-10 | 2022-07-08 | 浙江吉利控股集团有限公司 | Chassis bush structure and car |
| CN218971714U (en) * | 2022-12-20 | 2023-05-05 | 建新赵氏科技股份有限公司 | Novel auxiliary frame bushing with buffer block |
| CN219013241U (en) * | 2022-12-20 | 2023-05-12 | 建新赵氏科技股份有限公司 | Novel auxiliary frame bushing |
| CN219755191U (en) * | 2023-05-17 | 2023-09-26 | 安徽鼎封橡胶减震技术有限公司 | Novel shock absorber top connecting plate assembly bushing |
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