CN202992000U - Inverted rear cushion capable of adjusting prestress of damping spring - Google Patents
Inverted rear cushion capable of adjusting prestress of damping spring Download PDFInfo
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- CN202992000U CN202992000U CN 201220666850 CN201220666850U CN202992000U CN 202992000 U CN202992000 U CN 202992000U CN 201220666850 CN201220666850 CN 201220666850 CN 201220666850 U CN201220666850 U CN 201220666850U CN 202992000 U CN202992000 U CN 202992000U
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- damping
- spring
- hole
- connecting rod
- cylinder body
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses an inverted rear cushion capable of adjusting a prestress of a damping spring. The inverted rear cushion comprises an upper connector, a lower connector, a dual-barrel cylinder body, a damping connection rod, the damping spring, an oil seal and a piston body, wherein the lower end of the damping connection rod is locked on the lower connector through a nut; the upper end of the dual-barrel cylinder body is fixed with the upper connector; the upper end of the damping connection rod extends into a working cylinder of the dual-barrel cylinder body; a spring supporting base is sleeved at the upper part of the dual-barrel cylinder body; the spring supporting base is connected with a hydraulic adjusting handle through a hydraulic pipe; the upper end of the damping spring is against the lower surface of the spring supporting base; and the lower end of the damping spring is against the upper surface of the lower connector. By configuring the spring supporting base, a pipeline and a hydraulic adjusting pump as well as a prestress adjusting mechanism capable of adjusting the prestress of the damping spring, the requirements of the working conditions and the road conditions of different vehicles can be met and the driving comfort and maneuverability can be improved; and meanwhile, the overall structure is simplified and the cost is lowered.
Description
Technical field
The utility model relates to damper of vehicle, particularly motorcycle rear shock reducing.
Background technique
Figure 1 shows that damping after traditional hydraulic damping type, shown in Figure 2 is installation signal of damping on vehicle frame after this.In conjunction with Fig. 1, Fig. 2 as can be known, after this, damping mainly is comprised of upper connection 1, lower contact 2, double barreled cylinder body 3, damping connecting rod 4, damping spring 5, oil sealing 6, guide holder 7, piston body 8, buffer spring 10 etc.In upper connection 1, the lower end of double barreled cylinder body 3 and lower contact 2 weld together by nut check in the upper end of damping connecting rod 4, and the lower end of damping connecting rod 4 is stretched in the clutch release slave cylinder of double barreled cylinder body 3.Be provided with piston body 8 between damping connecting rod 4 and clutch release slave cylinder, piston body 8 is separated into upper cavity A and lower chamber B with clutch release slave cylinder, be provided with oil sealing 6 and guide holder 7 between the upper end of double barreled cylinder body 3 and damping connecting rod 4, have damping hole 8a on piston body 8 upper cavity A and lower chamber B are communicated with.After being somebody's turn to do, the upper end of damping is hinged on vehicle frame 18 by upper connection 1, and the lower end is hinged on back vent 19 by lower contact 2.When car ran into obstacle and load capacity increase, damping spring 5 was compressed, and damping connecting rod 4 moves downward relatively, and the volume of lower chamber B reduces, and fluid flows to upper cavity A by damping hole 8a.Fluid flows downward when damping spring 5 restores, and is subject to resistance at fluid during by damping hole 8a, has realized the effect of damping.
Development along with rear cushion technique, damping after upside-down has appearred, as disclosed in State Intellectual Property Office " a kind of inverted rear shock absorber ", the patent No. is 200820099733.5, be that the upper end of damping connecting rod and upper connection 1 connect, the lower end of double barreled cylinder body is connected with lower contact, compares damping after traditional hydraulic damping type, its damping effect is better, and ride comfort is higher.But after the upside-down that occurs at present, the common structure of damping is comparatively complicated, and number of spare parts is many; Simultaneously, the precompression of damping spring is definite when design, and its shock absorbing characteristics can only be complementary with a certain ride characteristic, can not satisfy the requirement of different road conditions and carrying capacity, and its vehicle performance and travelling comfort still remain to be improved.
The model utility content
The utility model improves for above-mentioned technical problem, aims to provide damping after a kind of upside-down that can regulate the damping spring precompression, with applicable different road conditions and carrying capacity requirement, improves driving comfortability and maneuverability.
for solving above technical problem, damping after the upside-down of a kind of adjustable damping spring precompression that the utility model provides, comprise upper connection (1), lower contact (2), double barreled cylinder body (3), damping connecting rod (4) and damping spring (5), key is: the lower end of described damping connecting rod (4) by nut check in lower contact (2), the upper end of double barreled cylinder body (3) and upper connection (1) are fixed together, the upper end of damping connecting rod (4) is stretched in the clutch release slave cylinder of double barreled cylinder body (3), and be provided with piston body (8) between damping connecting rod (4) and clutch release slave cylinder, described piston body (8) is separated into upper cavity (A) and lower chamber (B) with clutch release slave cylinder (3b), be provided with oil sealing (6) between the lower end of double barreled cylinder body (3) and damping connecting rod (4), having damping hole (8a) on described piston body (8) is communicated with upper cavity (A) and lower chamber (B), the top of described double barreled cylinder body (3) is set with spring supporting base (12), described spring supporting base (12) is connected with hydraulic regulation pump (14) by pipeline (13), the upper end of described damping spring (5) is against the lower surface of spring supporting base (12), and the lower end of damping spring (5) is against the upper surface of lower contact (2).
Working procedure and principle are as follows: when car runs into jolt serious road surface or carrying capacity and increases, by the hydraulic regulation pump, increase the pressure in pipeline, move downward thereby promote the spring supporting base, and the compression shock absorption spring, to improve the precompression of damping spring; After working principle in running process and existing upside-down, the working principle of damping is identical, and when car ran into obstacle, damping spring was compressed, and the damping connecting rod moves upward relatively, and the volume of upper cavity reduces, and fluid flows to lower chamber by damping hole.Fluid upwards flows when damping spring restores, and is subject to resistance at fluid during by damping hole, has realized the effect of damping.
be provided with guide holder (7) between above-mentioned clutch release slave cylinder and damping connecting rod (4), guide holder (7) is positioned at the top of oil sealing (6), be provided with spacing pad (9) in the below of piston body (8), on the damping connecting rod (4) between spacing pad (9) and guide holder (7), buffer spring (10) is housed, the top of described double barreled cylinder body (3) is installed with shoe cream room (C), bottom valve body (11) and bottom valve banking stop (16), described shoe cream room (C) is communicated with upper cavity (A) by the oil-through hole (11a) that is arranged on bottom valve body (11), between described piston body (8) and spacing pad (9), be respectively arranged with valve block (17) and valve block spring (15) between bottom valve body (11) and bottom valve banking stop (16), the valve block (17) that is arranged between piston body (8) and spacing pad (9) covers damping hole (8a), corresponding valve block spring (15) withstands on this valve block (17), the valve block (17) that is arranged between bottom valve body (11) and bottom valve banking stop (16) covers oil-through hole (11a), and corresponding valve block spring (15) withstands on this valve block (17).Guide holder is the guiding that moves up and down of damping connecting rod, and binding buffer spring, bottom valve body, valve block and valve block spring etc. have further improved the damping effect of rear damping.
Described damping hole (8a) is comprised of the radial hole of axial hole and through hole perpendicular to axial direction, and whole L-shaped, the optimal damping hole structure is to facilitate the processing of damping hole.
Be preferably, described upper connection (1) is provided with mounting hole, is provided with shock absorbing sleeve (1a) and spacer ring (1b) in mounting hole, and upper connection (1) welds together with double barreled cylinder body (3).
Beneficial effect:
(1) by setting up spring supporting base, pipeline and hydraulic regulation pump, can regulate the precompression of damping spring.The user can carry out the precompression adjustment according to vehicle capacity and pavement behavior, and the car load damping performance is strengthened, and improves adhesive quality and the Security on wheel and road surface, satisfies the requirement of vehicle multi-operating mode and people to the high request of vehicle riding comfort and maneuverability.
(2) after this upside-down, existing upside-down damping is compared in damping, and structure is more simple, compact, has effectively reduced manufacture cost.
Description of drawings
Fig. 1 is the structural representation of damping after traditional hydraulic damping type.
Fig. 2 is the scheme of installation of damping on vehicle frame after hydraulic damping type.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is the partial enlarged drawing of Fig. 3.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
In conjunction with damping after the upside-down of Fig. 3, adjustable damping spring precompression shown in Figure 4, formed by upper connection 1, lower contact 2, double barreled cylinder body 3, damping connecting rod 4, damping spring 5, oil sealing 6, guide holder 7, piston body 8, spacing pad 9, buffer spring 10, bottom valve body 11, spring supporting base 12, pipeline 13, hydraulic regulation pump 14, valve block spring 15, bottom valve banking stop 16, valve block 17 etc.
In lower contact 2, the upper end of double barreled cylinder body 3 and upper connection 1 are fixed together by nut check in the lower end of damping connecting rod 4.The lower end of double barreled cylinder body 3 is opening end, and the upper end of damping connecting rod 4 is stretched in the clutch release slave cylinder of double barreled cylinder body 3.Be provided with piston body 8 between damping connecting rod 4 and clutch release slave cylinder, on damping connecting rod 4, piston body 8 is separated into upper cavity A and lower chamber B with clutch release slave cylinder to piston body 8 by nut check.Be provided with oil sealing 6 between the lower end of double barreled cylinder body 3 and damping connecting rod 4, overflow to avoid the fluid in clutch release slave cylinder.Having damping hole 8a on piston body 8 is communicated with upper cavity A and lower chamber B.The top of double barreled cylinder body 3 is set with spring supporting base 12, and spring supporting base 12 is slidably connected with double barreled cylinder body 3, and spring supporting base 12 is connected with hydraulic regulation pump 14 by pipeline 13.Hydraulic regulation pump 14 is preferably selected hydraulic hand-pump, to save cost.By hydraulic regulation pump 14, increase or reduce the interior pressure of pipeline 13, slide up and down along double barreled cylinder body 3 thereby promote spring supporting base 12.Damping spring 5 is arranged between spring supporting base 12 and lower contact 2, and the upper end of damping spring 5 is against the lower surface of spring supporting base 12, and the lower end of damping spring 5 is against the upper surface of lower contact 2.
Be preferably, be provided with guide holder 7 between clutch release slave cylinder and damping connecting rod 4, guide holder 7 is positioned at the top of oil sealing 6, and fixes by the closing in of clutch release slave cylinder lower end.Be provided with spacing pad 9 below piston body 8, on the damping connecting rod 4 between spacing pad 9 and guide holder 7, buffer spring 10 be housed.The top of double barreled cylinder body 3 is installed with shoe cream room C, bottom valve body 11 and bottom valve banking stop 16, and bottom valve banking stop 16 is positioned at the inboard of bottom valve body 11, and shoe cream room C is communicated with upper cavity A by the oil-through hole 11a that is arranged on bottom valve body 11.Between piston body 8 and spacing pad 9, be respectively arranged with valve block 17 and valve block spring 15 between bottom valve body 11 and bottom valve banking stop 16.The valve block 17 that is arranged between piston body 8 and spacing pad 9 covers damping hole 8a, and corresponding valve block spring 15 withstands on this valve block 17; Equally, the valve block 17 that is arranged between bottom valve body 11 and bottom valve banking stop 16 covers oil-through hole 11a, and corresponding valve block spring 15 withstands on this valve block 17.
Secondly, damping hole 8a preferably is comprised of the radial hole of axial hole and through hole perpendicular to axial direction, and is whole L-shaped.Further, upper connection 1 is provided with mounting hole, is provided with shock absorbing sleeve 1a and spacer ring 1b in mounting hole, and upper connection 1 welds together with double barreled cylinder body 3.Also have mounting hole in lower contact 2.
Claims (4)
1. damping after the upside-down of an adjustable damping spring precompression, comprise upper connection (1), lower contact (2), double barreled cylinder body (3), damping connecting rod (4) and damping spring (5), it is characterized in that: the lower end of described damping connecting rod (4) by nut check in lower contact (2), the upper end of double barreled cylinder body (3) and upper connection (1) are fixed together, the upper end of damping connecting rod (4) is stretched in the clutch release slave cylinder of double barreled cylinder body (3), and be provided with piston body (8) between damping connecting rod (4) and clutch release slave cylinder, described piston body (8) is separated into upper cavity (A) and lower chamber (B) with clutch release slave cylinder (3b), be provided with oil sealing (6) between the lower end of double barreled cylinder body (3) and damping connecting rod (4), having damping hole (8a) on described piston body (8) is communicated with upper cavity (A) and lower chamber (B), the top of described double barreled cylinder body (3) is set with spring supporting base (12), described spring supporting base (12) is connected with hydraulic regulation pump (14) by pipeline (13), the upper end of described damping spring (5) is against the lower surface of spring supporting base (12), and the lower end of damping spring (5) is against the upper surface of lower contact (2).
2. according to damping after the upside-down of adjustable damping spring precompression claimed in claim 1, it is characterized in that: be provided with guide holder (7) between described clutch release slave cylinder and damping connecting rod (4), guide holder (7) is positioned at the top of oil sealing (6), be provided with spacing pad (9) in the below of piston body (8), on the damping connecting rod (4) between spacing pad (9) and guide holder (7), buffer spring (10) is housed, the top of described double barreled cylinder body (3) is installed with shoe cream room (C), bottom valve body (11) and bottom valve banking stop (16), described shoe cream room (C) is communicated with upper cavity (A) by the oil-through hole (11a) that is arranged on bottom valve body (11), between described piston body (8) and spacing pad (9), be respectively arranged with valve block (17) and valve block spring (15) between bottom valve body (11) and bottom valve banking stop (16), the valve block (17) that is arranged between piston body (8) and spacing pad (9) covers damping hole (8a), corresponding valve block spring (15) withstands on this valve block (17), the valve block (17) that is arranged between bottom valve body (11) and bottom valve banking stop (16) covers oil-through hole (11a), and corresponding valve block spring (15) withstands on this valve block (17).
3. according to damping after the upside-down of the described adjustable damping spring precompression of claim 1 or 2, it is characterized in that: described damping hole (8a) is comprised of the radial hole of axial hole and through hole perpendicular to axial direction, and is whole L-shaped.
4. according to damping after the upside-down of adjustable damping spring precompression claimed in claim 3, it is characterized in that: described upper connection (1) is provided with mounting hole, be provided with shock absorbing sleeve (1a) and spacer ring (1b) in mounting hole, upper connection (1) welds together with double barreled cylinder body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666850 CN202992000U (en) | 2012-12-06 | 2012-12-06 | Inverted rear cushion capable of adjusting prestress of damping spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666850 CN202992000U (en) | 2012-12-06 | 2012-12-06 | Inverted rear cushion capable of adjusting prestress of damping spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992000U true CN202992000U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220666850 Expired - Fee Related CN202992000U (en) | 2012-12-06 | 2012-12-06 | Inverted rear cushion capable of adjusting prestress of damping spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979848A (en) * | 2012-12-06 | 2013-03-20 | 力帆实业(集团)股份有限公司 | Inversion type rear shock absorber with adjustable prepressure of shock absorber spring |
-
2012
- 2012-12-06 CN CN 201220666850 patent/CN202992000U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979848A (en) * | 2012-12-06 | 2013-03-20 | 力帆实业(集团)股份有限公司 | Inversion type rear shock absorber with adjustable prepressure of shock absorber spring |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20171206 |