CN204726178U - Shock absorber and suspension - Google Patents
Shock absorber and suspension Download PDFInfo
- Publication number
- CN204726178U CN204726178U CN201520316676.1U CN201520316676U CN204726178U CN 204726178 U CN204726178 U CN 204726178U CN 201520316676 U CN201520316676 U CN 201520316676U CN 204726178 U CN204726178 U CN 204726178U
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- CN
- China
- Prior art keywords
- bump rubber
- shock absorber
- rubber
- piston rod
- cylinder barrel
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of shock absorber and suspension, this shock absorber comprises connection bracket, dust boot, dust slinger, bump rubber and damper, described damper comprises piston rod, cylinder barrel and the piston be arranged in described cylinder barrel, the upper end of described piston rod is passed the middle part of described bump rubber and is connected with described upper connection bracket, the lower end of described piston rod is connected with described piston, on the lower swing arm that the lower end of described cylinder barrel is connected to suspension or joint, the upper end of described bump rubber is fitted in the lower end of described upper connection bracket, the upper end of described dust boot seals with the periphery of described bump rubber and contacts, described dust slinger is just formed as concave panel to the surface of the lower end of described bump rubber, described concave panel can encircle described bump rubber when contacting with described bump rubber.According to shock absorber of the present utility model, bump rubber can not deflect away from concave panel, ensures good stressed of bump rubber, improves bump rubber endurance life, avoids bump rubber to break.
Description
Technical field
The utility model belongs to automotive suspension technical field, particularly relates to a kind of shock absorber and suspension.
Background technology
Shock absorber, being the decay for accelerating vehicle frame and body vibrations, to improve the parts of ride of vehicle (traveling comfort), in the suspension system inside of most of automobile, shock absorber being housed.
Traditional shock absorber, as shown in Figure 1, generally includes connection bracket 1a, dust boot 2a, dust slinger 3a, bump rubber 4a and damper 5a.Upper connection bracket 1a is bolted on vehicle body, damper 5a generally includes piston rod 51a, cylinder barrel 52a and piston, in cylinder barrel 52a, fluid is housed, the upper end of piston rod 51a is passed the middle part of bump rubber 4a and is connected with upper connection bracket 1a, its lower end is connected with the piston in cylinder barrel 52a, the upper end of bump rubber 4a contacts with upper connection bracket 1a, dust boot 2a is set in the outside of bump rubber 4a, dust slinger 3a is arranged on the upper end of cylinder barrel 52a and relative with bump rubber 4a, on the lower swing arm that the lower end of cylinder barrel 52a is connected to suspension or joint.
, as shown in Figure 1, when bump rubber 4a compresses, due to unbalance stress, there is the problem that bump rubber 4a slides down from dust slinger 3a, easily cause bump rubber 4a to break in traditional shock absorber; Further, the lower ending opening of dust boot 2a opens wide, and is not enough to avoid sandstone to enter into piston rod 51a position from the lower ending opening of dust boot 2a, and thus, easily damage piston rod 51a, causes leakage of oil; Further, upper connection bracket 1a is made up of blanked part and polysulphide rubbers, and manufacturing process is complicated and weight is comparatively large, often occurs the inefficacy caused by sulfurating strength problem.
Utility model content
Technical problem to be solved in the utility model is the defect easily causing bump rubber to break for existing shock absorber, provides a kind of shock absorber.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of shock absorber is provided, comprise connection bracket, dust boot, dust slinger, bump rubber and damper, described damper comprises piston rod, cylinder barrel and the piston be arranged in described cylinder barrel, the upper end of described piston rod is passed the middle part of described bump rubber and is connected with described upper connection bracket, the lower end of described piston rod is connected with described piston, on the lower swing arm that the lower end of described cylinder barrel is connected to suspension or joint, the upper end of described bump rubber is fitted in the lower end of described upper connection bracket, the upper end of described dust boot seals with the periphery of described bump rubber and contacts, described dust slinger is just formed as concave panel to the surface of the lower end of described bump rubber, described concave panel can encircle described bump rubber when contacting with described bump rubber.
Further, the upper end of described dust boot is provided with snap ring, and described snap ring snaps in the annular slot that described bump rubber is formed.
Further, the lower end of described dust boot seals with described dust slinger and contacts.
Further, described dust slinger comprises forced section, be formed in the cylindrical portion of described forced section lower end and be arranged on the annular lip of described cylindrical portion lower end, the lower end of described dust boot is formed as vertical tube part, the lower surface of described vertical tube part is connected to the upper surface of described annular lip, described cylindrical portion is between described vertical tube part and described cylinder barrel and be pressed on the periphery of described cylinder barrel, and the upper surface of described forced section is formed as described concave panel.
Further, on described dust boot, the position be positioned at above described vertical tube part is formed as tapered portion, and the arranged outside of described forced section has the taper outer rim snapping in described tapered portion.Like this, the upper end of dust boot snaps in annular slot and bump rubber by the snap ring on it and is formed and be tightly connected, and the lower end of dust boot snaps in the tapered portion of dust boot and dust slinger by the taper outer rim on the forced section of dust slinger is formed and be tightly connected, extraneous sandstone that traditional dust boot causes due to dust-proof effect difference (lower ending opening opens wide) can be avoided the problems such as caused leakage of oil of damaging of damper linking member, improve the service life of shock absorber.
Further, described upper connection bracket comprises housing, limit base, upper end cover and rubber bodies, described housing comprises annular outer edge and is formed in the seat portion in the middle part of described annular outer edge, the inside in described seat portion is formed as cavity, described limit base, upper end cover and rubber bodies are arranged in described cavity, the upper end of described piston rod is through described limit base, the periphery that described rubber bodies is wrapped in described limit base is pressed on the chamber wall of described cavity, the upper end of described piston rod is connected with a nut, described nut is pressed on the top of described limit base, described upper end cover is pressed on the top of described rubber bodies.
Further, described housing also comprises the mounting cylinder be arranged on below described seat portion, and the upper end of described bump rubber is fitted in described mounting cylinder.
Further, the upper surface of described annular outer edge is formed with the attachment face that relative vehicle horizontal direction tilts to vehicle outside, and described attachment face offers mounting hole.Like this, vehicle body correspondingly arranges the inclined-plane mated with attachment face, the problem because space factor causes shock absorber not install can be solved, further, because attachment face relative vehicle horizontal direction tilts to vehicle outside, like this, when mounted, mounting hole, towards installation personnel, is convenient to bolt and is loaded in mounting hole, install more simple.
Further, described housing is aluminum casting, and described rubber bodies is made up of polyurethane.The housing of upper mounting bracket is aluminum casting, and then can reduce the weight of shock absorber; Middle rubber bodies is made up of polyurethane, relative to polysulphide rubbers, can reduce technology difficulty, and improve its rigidity and endurance quality.
According to shock absorber of the present utility model, dust slinger is just formed as concave panel to the surface of the lower end of bump rubber, concave panel can encircle bump rubber when contacting with bump rubber, like this, bump rubber can not deflect away from concave panel, ensure good stressed of bump rubber, improve bump rubber endurance life, avoid bump rubber to break.
In addition, the utility model additionally provides a kind of suspension, and it comprises above-mentioned shock absorber.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional shock absorber;
The structural representation of the shock absorber that Fig. 2 the utility model one embodiment provides;
Fig. 3 is the cutaway view along A-A direction in Fig. 2;
Fig. 4 is the working state schematic representation (bump rubber compressive state) of the shock absorber in Fig. 3;
Fig. 5 is the structural representation of the shock absorber that provides of the utility model one embodiment connection bracket on it.
Reference numeral in Figure of description is as follows:
1, upper connection bracket; 11, housing; 111, annular outer edge; 112, seat portion; 113, cavity; 114, mounting cylinder; 115, attachment face; 116, mounting hole; 12, limit base; 13, upper end cover; 14, rubber bodies; 15, nut; 2, dust boot; 21, snap ring; 22, vertical tube part; 23, tapered portion; 3, dust slinger; 30, concave panel; 31, forced section; 32, cylindrical portion; 33, annular lip; 34, taper outer rim; 4, bump rubber; 41, annular slot; 5, damper; 51, piston rod; 52, cylinder barrel.
Detailed description of the invention
The technical matters solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are described in further detail the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 2 to 5, the shock absorber that the utility model one embodiment provides, comprise connection bracket 1, dust boot 2, dust slinger 3, bump rubber 4 and damper 5, described damper 5 comprises piston rod 51, cylinder barrel 52 and the piston (not indicating in figure) be arranged in described cylinder barrel 52, the upper end of described piston rod 51 is passed the middle part of described bump rubber 4 and is connected with described upper connection bracket 1, the lower end of described piston rod 51 is connected with described piston, on the lower swing arm that the lower end of described cylinder barrel 52 is connected to suspension or joint, the upper end of described bump rubber 4 is fitted in the lower end of described upper connection bracket 1, the upper end of described dust boot 2 seals with the periphery of described bump rubber 4 and contacts, described dust slinger 3 is just formed as concave panel 30 to the surface of the lower end of described bump rubber 4, described concave panel 30 can encircle described bump rubber 4 when contacting with described bump rubber 4.
In the present embodiment, as shown in Figures 2 and 3, the upper end of described dust boot 2 is provided with snap ring 21, and described snap ring 21 snaps in the annular slot 41 that described bump rubber 4 is formed.
In the present embodiment, the lower end of described dust boot 2 seals with described dust slinger 3 and contacts.
In the present embodiment, as shown in Figures 2 and 3, described dust slinger 3 comprises forced section 31, be arranged on the cylindrical portion 32 of described forced section 31 lower end and be formed in the annular lip 33 of described cylindrical portion 32 lower end, the lower end of described dust boot 2 is formed as vertical tube part 22, the lower surface of described vertical tube part 22 is connected to the upper surface of described annular lip 33, described cylindrical portion 32 is between described vertical tube part 22 and described cylinder barrel 52 and be pressed on the periphery of described cylinder barrel 52, and the upper surface of described forced section 31 is formed as described concave panel 30.
In the present embodiment, as shown in Figures 2 and 3, on described dust boot 2, the position be positioned at above described vertical tube part 22 is formed as tapered portion 23, and the arranged outside of described forced section 31 has the taper outer rim 34 snapping in described tapered portion 23.Like this, the upper end of dust boot snaps in annular slot and bump rubber by the snap ring on it and is formed and be tightly connected, and the lower end of dust boot snaps in the tapered portion of dust boot and dust slinger by the taper outer rim on the forced section of dust slinger is formed and be tightly connected, extraneous sandstone that traditional dust boot causes due to dust-proof effect difference (lower ending opening opens wide) can be avoided the problems such as caused leakage of oil of damaging of damper linking member, improve the service life of shock absorber.
In the present embodiment, as shown in figures 2 and 5, described upper connection bracket 1 comprises housing 11, limit base 12, upper end cover 13 and rubber bodies 14, described housing 11 comprises annular outer edge 111 and is formed in the seat portion 112 in the middle part of described annular outer edge 111, the inside in described seat portion 112 is formed as cavity 113, described limit base 12, upper end cover 13 and rubber bodies 14 are arranged in described cavity 113, the upper end of described piston rod 51 is through described limit base 12, the periphery that described rubber bodies 14 is wrapped in described limit base 12 is pressed on the chamber wall of described cavity 113, the upper end of described piston rod 51 is connected with a nut 15, described nut 15 is pressed on the top of described limit base 12, described upper end cover 13 is pressed on the top of described rubber bodies 14.
In the present embodiment, as shown in figures 2 and 5, described housing 11 also comprises the mounting cylinder 114 be arranged on below described seat portion 112, and the upper end of described bump rubber 4 is fitted in described mounting cylinder 114.
In the present embodiment, as shown in Figure 5, the upper surface of described annular outer edge 111 is formed with the attachment face 115 that relative vehicle horizontal direction tilts to vehicle outside, and described attachment face 115 offers mounting hole 116, and middle mounting hole 116 embodiment illustrated in fig. 4 is 3.Like this, vehicle body correspondingly arranges the inclined-plane mated with attachment face, the problem because space factor causes shock absorber not install can be solved, further, because attachment face relative vehicle horizontal direction tilts to vehicle outside, like this, when mounted, mounting hole, towards installation personnel, is convenient to bolt and is loaded in mounting hole, install more simple.
In the present embodiment, described housing 11 is aluminum casting, and described rubber bodies 14 is made up of polyurethane.The housing of upper mounting bracket is aluminum casting, and then can reduce the weight of shock absorber; Middle rubber bodies is made up of polyurethane, relative to polysulphide rubbers, can reduce technology difficulty, and improve its rigidity and endurance quality.
According to the shock absorber of the utility model above-described embodiment, dust slinger is just formed as concave panel to the surface of the lower end of bump rubber, concave panel can encircle bump rubber when contacting with bump rubber, like this, bump rubber can not deflect away from concave panel, ensure good stressed of bump rubber, improve bump rubber endurance life, avoid bump rubber to break.
In addition, the utility model one embodiment still provides a kind of suspension, and it comprises above-mentioned shock absorber.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a shock absorber, it is characterized in that, comprise connection bracket, dust boot, dust slinger, bump rubber and damper, described damper comprises piston rod, cylinder barrel and the piston be arranged in described cylinder barrel, the upper end of described piston rod is passed the middle part of described bump rubber and is connected with described upper connection bracket, the lower end of described piston rod is connected with described piston, on the lower swing arm that the lower end of described cylinder barrel is connected to suspension or joint, the upper end of described bump rubber is fitted in the lower end of described upper connection bracket, the upper end of described dust boot seals with the periphery of described bump rubber and contacts, described dust slinger is just formed as concave panel to the surface of the lower end of described bump rubber, described concave panel can encircle described bump rubber when contacting with described bump rubber.
2. shock absorber according to claim 1, is characterized in that, the upper end of described dust boot is provided with snap ring, and described snap ring snaps in the annular slot that described bump rubber is formed.
3. shock absorber according to claim 1, is characterized in that, the lower end of described dust boot seals with described dust slinger and contacts.
4. shock absorber according to claim 3, it is characterized in that, described dust slinger comprises forced section, be arranged on the cylindrical portion of described forced section lower end and be formed in the annular lip of described cylindrical portion lower end, the lower end of described dust boot is formed as vertical tube part, the lower surface of described vertical tube part is connected to the upper surface of described annular lip, described cylindrical portion is between described vertical tube part and described cylinder barrel and be pressed on the periphery of described cylinder barrel, and the upper surface of described forced section is formed as described concave panel.
5. shock absorber according to claim 4, is characterized in that, on described dust boot, the position be positioned at above described vertical tube part is formed as tapered portion, and the arranged outside of described forced section has the taper outer rim snapping in described tapered portion.
6. the shock absorber according to claim 1-5 any one, it is characterized in that, described upper connection bracket comprises housing, limit base, upper end cover and rubber bodies, described housing comprises annular outer edge and is formed in the seat portion in the middle part of described annular outer edge, the inside in described seat portion is formed as cavity, described limit base, upper end cover and rubber bodies are arranged in described cavity, the upper end of described piston rod is through described limit base, the periphery that described rubber bodies is wrapped in described limit base is pressed on the chamber wall of described cavity, the upper end of described piston rod is connected with a nut, described nut is pressed on the top of described limit base, described upper end cover is pressed on the top of described rubber bodies.
7. shock absorber according to claim 6, is characterized in that, described housing also comprises the mounting cylinder be arranged on below described seat portion, and the upper end of described bump rubber is fitted in described mounting cylinder.
8. shock absorber according to claim 6, is characterized in that, the upper surface of described annular outer edge is formed with the attachment face that relative vehicle horizontal direction tilts to vehicle outside, and described attachment face offers mounting hole.
9. shock absorber according to claim 6, is characterized in that, described housing is aluminum casting, and described rubber bodies is made up of polyurethane.
10. a suspension, is characterized in that, comprises the shock absorber described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520316676.1U CN204726178U (en) | 2015-05-15 | 2015-05-15 | Shock absorber and suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520316676.1U CN204726178U (en) | 2015-05-15 | 2015-05-15 | Shock absorber and suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204726178U true CN204726178U (en) | 2015-10-28 |
Family
ID=54384558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520316676.1U Expired - Fee Related CN204726178U (en) | 2015-05-15 | 2015-05-15 | Shock absorber and suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204726178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528356A (en) * | 2017-03-01 | 2018-09-14 | 株式会社万都 | A kind of sprung shock-strut end cap and Vehicle damper pillar |
| CN113531032A (en) * | 2021-06-29 | 2021-10-22 | 东风汽车集团股份有限公司 | Buffer block height dynamic control system and control method |
-
2015
- 2015-05-15 CN CN201520316676.1U patent/CN204726178U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528356A (en) * | 2017-03-01 | 2018-09-14 | 株式会社万都 | A kind of sprung shock-strut end cap and Vehicle damper pillar |
| CN113531032A (en) * | 2021-06-29 | 2021-10-22 | 东风汽车集团股份有限公司 | Buffer block height dynamic control system and control method |
| CN113531032B (en) * | 2021-06-29 | 2022-08-30 | 东风汽车集团股份有限公司 | Buffer block height dynamic control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |