CN203297505U - Improved rear shock absorber - Google Patents
Improved rear shock absorber Download PDFInfo
- Publication number
- CN203297505U CN203297505U CN2013202978397U CN201320297839U CN203297505U CN 203297505 U CN203297505 U CN 203297505U CN 2013202978397 U CN2013202978397 U CN 2013202978397U CN 201320297839 U CN201320297839 U CN 201320297839U CN 203297505 U CN203297505 U CN 203297505U
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- CN
- China
- Prior art keywords
- limiting cover
- piston rod
- shock absorber
- buffer device
- rear shock
- 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.)
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Abstract
The utility model relates to the technical field of automobile accessories, in particular to an improved rear shock absorber. The improved rear shock absorber comprises an outer cylinder. A piston is arranged in the outer cylinder and connected with a piston rod. The upper portion of the piston rod is sleeved with a main buffer device. A pressure reduction limiting cover is connected with the upper end of the piston rod through a nut in a threaded mode. An auxiliary buffer device is arranged between the pressure reduction limiting cover and the main buffer device. The upper portion of the outer cylinder is sleeved with a lower buffer rubber mat. A damping spring is arranged between the pressure reduction limiting cover and the lower buffer rubber mat. The upper portion of the piston rod is sleeved with the main buffer device and the auxiliary buffer device is arranged between the pressure reduction limiting cover and the main buffer device, so that shock is effectively absorbed in acute collision, damage to a buffer block is further avoided, and the overall service life is prolonged.
Description
Technical field
The utility model relates to the vehicle accessory technical field, relates in particular to a kind of improved rear shock absorber.
Background technique
At present, for motor vehicle rear shock absorber of the prior art, its damping mainly comprises the recovery damping spring that is connected on cushion pad that rear damping spring, piston rod top install, piston and urceolus top, but in use, between general decompression position-limiting cover and buffer stopper, adopt and be rigidly connected, so long-time use, snubber block are easy to damage, thereby shorten the working life of the rear shock absorber of overall improvement.
The model utility content
The purpose of this utility model is to provide a kind of improved rear shock absorber, and it has when violent the shock can more effective damping, also can avoid the damage of buffer stopper, extends the characteristics of whole service life.
For achieving the above object, the utility model adopts following technical proposals:
a kind of improved rear shock absorber, comprise urceolus, in urceolus, be provided with piston, piston is connected with piston rod, piston rod top is arranged with the host buffer device, the piston rod upper end is bolted with the decompression position-limiting cover by nut, between described decompression position-limiting cover and host buffer device, be provided with secondary damping device, urceolus top is arranged with the lower rubber cushion of buffering, between the lower rubber cushion of decompression position-limiting cover and buffering, be provided with damping spring, between one end of described secondary damping device and safety cover, be provided with dividing plate, described decompression position-limiting cover middle part is provided with cavity, the other end of secondary damping device extends in cavity and fixes by described nut, described safety cover offers through hole, described secondary damping device, air bag and buffer stopper are one-body molded.
Wherein, described host buffer device comprises air bag, and air bag one end is connected with the buffer stopper that communicates with inside air bag, between buffer stopper and secondary damping device, is provided with safety cover.
Wherein, between described decompression position-limiting cover and damping spring, be provided with the upper rubber cushion of buffering.
Wherein, described urceolus one end is connected with axle sleeve.
after adopting said structure, the beneficial effects of the utility model: the utility model comprises urceolus, in urceolus, be provided with piston, piston is connected with piston rod, piston rod top is arranged with the host buffer device, the piston rod upper end is bolted with the decompression position-limiting cover by nut, between described decompression position-limiting cover and host buffer device, be provided with secondary damping device, urceolus top is arranged with the lower rubber cushion of buffering, between the lower rubber cushion of decompression position-limiting cover and buffering, be provided with damping spring, between one end of described secondary damping device and safety cover, be provided with dividing plate, described decompression position-limiting cover middle part is provided with cavity, the other end of secondary damping device extends in cavity and fixes by described nut, described safety cover offers through hole, described secondary damping device, air bag and buffer stopper are one-body molded, the utility model is by being arranged with the host buffer device on piston rod top, and be provided with secondary damping device between decompression position-limiting cover and host buffer device, like this can be when violent the shock can more effective damping, also can avoid the damage of buffer stopper, extend whole service life.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure
1, urceolus; 2, cavity;
3, piston rod; 4, nut;
5, decompression position-limiting cover; 6, secondary damping device;
7, the lower rubber cushion of buffering; 8, damping spring;
9, air bag; 10, buffer stopper;
11, safety cover; 12, dividing plate;
13, rubber cushion on buffering; 14, axle sleeve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
as shown in Figure 1, a kind of improved rear shock absorber, comprise urceolus 1, in urceolus 1, be provided with piston, piston is connected with piston rod 3, piston rod 3 tops are arranged with the host buffer device, piston rod 3 upper ends are bolted with decompression position-limiting cover 5 by nut 4, between described decompression position-limiting cover 5 and host buffer device, be provided with secondary damping device 6, urceolus 1 top is arranged with the lower rubber cushion 7 of buffering, between the lower rubber cushion 7 of decompression position-limiting cover 5 and buffering, be provided with damping spring 8, between one end of described secondary damping device 6 and safety cover 11, be provided with dividing plate 12, described decompression position-limiting cover 5 middle parts are provided with cavity 2, the other end of secondary damping device 6 extends in cavity 2 fixing by described nut 4, safety cover 11 is for the protection to secondary damping device 6, described decompression position-limiting cover 5 middle parts are provided with cavity 2, the other end of secondary damping device 6 extends in cavity 2 fixing by described nut 4, by secondary damping device fixing with cavity 2 in, can play the effect of bumper and absorbing shock, can prevent that again it is in the piston rod 3 irregular movements in upper end, thereby the coordination linkage of integral shock-absorbing.Described safety cover 11 offers through hole; described secondary damping device 6, air bag 9 and buffer stopper 10 are one-body molded; the utility model is by being arranged with the host buffer device on piston rod 3 tops; and be provided with secondary damping device 6 between decompression position-limiting cover 5 and host buffer device; like this can be when violent the shock can more effective damping; also can avoid the damage of buffer stopper 10, extend whole service life
in the present embodiment, described host buffer device comprises air bag 9, air bag 9 one ends are connected with the buffer stopper 10 that communicates with air bag 9 inside, between buffer stopper 10 and secondary damping device 6, be provided with safety cover 11, described safety cover 11 is for the protection to the host buffer device, prevent its transverse shifting, avoid affecting damping effect, described air bag 9 is one-body molded with buffer stopper 10, during use, decompression position-limiting cover 5 pressurizeds move, make damping spring 8 compressions, afterwards, air bag 9 and the buffer stopper 10 of host buffer device compress in succession, after being compressed to certain stroke, safety cover 11 props up urceolus 1, can protect like this air bag 9 and buffer stopper 10, prevent from being damaged by pressure, when air bag 9 and buffer stopper 10 compress in succession, the also reasonable compression of secondary damping device 6, the position-limiting cover 5 that can prevent from like this reducing pressure clashes into safety cover 11, the position-limiting cover 5 of avoiding reducing pressure directly contacts with buffer stopper 10, can avoid the damage of buffer stopper 10, extend whole service life.
In the present embodiment, between described decompression position-limiting cover 5 and damping spring 8, be provided with the upper rubber cushion 13 of buffering, on described buffering, rubber cushion 13 position-limiting cover 5 of can avoiding reducing pressure directly contacts with damping spring 8, can prevent from damaging because of the action of spring the working life of the position-limiting cover 5 that reduces pressure.
In the present embodiment, described urceolus 1 one ends are connected with axle sleeve 14, and described axle sleeve 14 can be convenient to an end of the present utility model is fixed.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (4)
1. improved rear shock absorber, comprise urceolus, in urceolus, be provided with piston, piston is connected with piston rod, piston rod top is arranged with the host buffer device, the piston rod upper end is bolted with the decompression position-limiting cover by nut, it is characterized in that: between described decompression position-limiting cover and host buffer device, be provided with secondary damping device, urceolus top is arranged with the lower rubber cushion of buffering, between the lower rubber cushion of decompression position-limiting cover and buffering, be provided with damping spring, between one end of described secondary damping device and safety cover, be provided with dividing plate, described decompression position-limiting cover middle part is provided with cavity, the other end of secondary damping device extends in cavity and fixes by described nut, described safety cover offers through hole, described secondary damping device, air bag and buffer stopper are one-body molded.
2. a kind of improved rear shock absorber according to claim 1, it is characterized in that: described host buffer device comprises air bag, air bag one end is connected with the buffer stopper that communicates with inside air bag, between buffer stopper and secondary damping device, is provided with safety cover.
3. a kind of improved rear shock absorber according to claim 1, is characterized in that: between described decompression position-limiting cover and damping spring, be provided with the upper rubber cushion of buffering.
4. a kind of improved rear shock absorber according to claim 1, it is characterized in that: described urceolus one end is connected with axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202978397U CN203297505U (en) | 2013-05-28 | 2013-05-28 | Improved rear shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202978397U CN203297505U (en) | 2013-05-28 | 2013-05-28 | Improved rear shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297505U true CN203297505U (en) | 2013-11-20 |
Family
ID=49573513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202978397U Expired - Fee Related CN203297505U (en) | 2013-05-28 | 2013-05-28 | Improved rear shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335055A (en) * | 2013-05-28 | 2013-10-02 | 慈溪市正大车业有限公司 | Rear shock absorber |
-
2013
- 2013-05-28 CN CN2013202978397U patent/CN203297505U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335055A (en) * | 2013-05-28 | 2013-10-02 | 慈溪市正大车业有限公司 | Rear shock absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20140528 |