CN201916409U - Motor vehicle shock absorber - Google Patents
Motor vehicle shock absorber Download PDFInfo
- Publication number
- CN201916409U CN201916409U CN201020663982XU CN201020663982U CN201916409U CN 201916409 U CN201916409 U CN 201916409U CN 201020663982X U CN201020663982X U CN 201020663982XU CN 201020663982 U CN201020663982 U CN 201020663982U CN 201916409 U CN201916409 U CN 201916409U
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- CN
- China
- Prior art keywords
- piston
- motor vehicle
- inner core
- urceolus
- vehicle damper
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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 motor vehicle shock absorber, which belongs to the technical field of motor vehicle parts. The problems that the structure of the present motor vehicle shock absorber is complicated and the shock and vibration absorption effect is not obvious during the running process of the motor vehicle can be solved. The motor vehicle shock absorber comprises an inner drum and a piston A which is arranged inside the inner drum, wherein the piston A is provided with a piston rod, the outer end of the piston rod extends out of the inner drum, an outer drum is fixed outside the inner drum, a closed cavity is formed between the outer drum and the inner drum, and the cavity is communicated with the inner cavity of the inner drum through an adjusting device capable of adjusting the flow rate. The shock absorption speed and the shock absorption effect of the motor vehicle shock absorber can be controlled by the adjusting device. The motor vehicle shock absorber has a simple structure, a low manufacturing cost and strong universality.
Description
Technical field
The utility model belongs to the automotive component technical field, relates to a kind of motor vehicle damper.
Background technique
In order to relax impact and the vibrations that are subjected to because of road is uneven in the process of moving with the decay Motor Vehicle, guarantee the smoothness and the travelling comfort of driving, help improving the working life of Motor Vehicle and the stability of manipulation, be provided with vibration damper on the Motor Vehicle.
Existing motor vehicle damper generally is made up of damper cylinder, piston, connecting rod and shell; As China Patent No. is " 01258934.9 " disclosed a kind of motor vehicle damper, its concrete structure is: piston is arranged in damper cylinder, the outer connective pole of this piston, and damper cylinder inner chamber middle part is connected with the oil gas separating valve, connecting-rod head is an oil pocket, the other end is an air cavity, and air cavity has a charging air inlet outward, and screw thread is arranged on the charging air inlet, be fixedly connected with sleeve in the enclosure, the barrel bore two ends are fixed with wear-resistant sleeve, and damper cylinder is positioned at sleeve, and connecting rod is movably connected on the lower end of shell by nut.Above-mentioned motor vehicle damper complex structure, oil pocket and air cavity are oppositely arranged in the damper cylinder inner chamber, and it is not obvious at impact and vibrations damping effect that running process is subjected to that it works as Motor Vehicle; In addition, its shell and sleeve mainly shield in vibration damper, have increased this motor vehicle damper manufacture cost.
Summary of the invention
The purpose of this utility model is at existing deficiency, and a kind of simple in structure, tangible motor vehicle damper of damping effect is provided.
The purpose of this utility model can realize by following technical proposal: a kind of motor vehicle damper, comprise inner core and be arranged on the interior piston one of inner core, on piston one, be provided with piston rod, inner core is stretched out in the outer end of this piston rod, it is characterized in that, described inner core outer fixing one urceolus forms a sealed hollow between urceolus and the inner core, this cavity is connected by the controlling device that can regulate flow with the inner chamber of above-mentioned inner core.
This motor vehicle damper mainly is made up of inner core and urceolus, this inner core and urceolus can be made with seamless heavy wall alloy steel pipe, in inner core, be provided with piston one, on piston one, be provided with piston rod, the inner of piston rod is fixed on the piston one, inner core is stretched out in its outer end, and described piston one inner core relatively does reciprocating linear motion; The inner chamber of inner core and the cavity of urceolus are not connected, and are connected by controlling device between the two, and its controlling device can be regulated the flow size on urceolus cavity and the interior tube inner chamber.
In above-mentioned motor vehicle damper, the below of described inner core and urceolus is provided with round plate, and the bottom of inner core and urceolus all is fixed on the bottom surface of round plate, has a mount inlet on inner tube wall, and above-mentioned controlling device is fixed on the mount inlet.This controlling device is welded on the opening, the inner chamber of inner core and and the cavity of urceolus be communicated with by controlling device.
In above-mentioned motor vehicle damper, described controlling device comprises sleeve pipe and is arranged on the interior piston two of sleeve pipe that have adjustment hole on casing wall, this adjustment hole is moved axially the size of regulating adjustment hole in sleeve pipe by piston two.Piston two can be done linear reciprocating motion in sleeve pipe, be provided with seal ring between itself and the sleeve pipe.
In above-mentioned motor vehicle damper, described piston two is provided with adjustable lever, and an end of adjustable lever stretches out the urceolus barrel, and the other end and above-mentioned piston two are by being threaded.The diameter that adjustable lever is threaded with piston two is greater than the diameter that passes the urceolus barrel, and adjustable lever is axially fixed on the urceolus barrel, when adjustable lever rotates, drives piston two and moves.
In above-mentioned motor vehicle damper, be provided with sealing gasket between described adjustable lever and the outer tube inner wall, be provided with jump ring between adjustable lever and the outer drum outer wall.The purpose of She Zhiing is like this: adjustable lever prevents that fluid from leaking outside from here when rotating; Adjustable lever and outside be provided with jump ring between the drum outer wall, prevent that adjustable lever from moving to urceolus is inner.
In above-mentioned motor vehicle damper, have chute on the described casing wall, be fixed with slide block on the described piston two, above-mentioned piston two is connected being connected on the sleeve pipe its slip by chute with slide block.Piston two circumferentially is fixed on by slide block on the chute of casing wall, when adjustable lever rotates, drives piston two and axially moves along sleeve pipe.
In above-mentioned motor vehicle damper, described outer tube wall is provided with the valve valve that can be communicated with atmosphere.This urceolus can pass through valve valve input air in the urceolus cavity, increase the air pressure in the cavity, for example piston rod is 200 millimeters, and outer 150 millimeters of inner core is stretched out in piston rod design, does not reach 150 millimeters outward and will increase air pressure in cavity if piston rod stretches out inner core.
In above-mentioned motor vehicle damper, described inner core is socketed with the free-piston of isolating oily gentle usefulness outward, and described free-piston outer wall contacts with the inwall of cavity.Increased free-piston in the cavity of urceolus, made its cavity be divided into grease chamber and air chamber, above-mentioned valve valve is arranged on the air chamber.
In above-mentioned motor vehicle damper, be provided with between described piston one and the inner core and can prevent in the inner core by piston one Sealing that two cavity volumes that form communicate of being separated by.Piston one is divided into air cavity and oil pocket with the inner chamber of inner core, and the oil pocket in the inner chamber is communicated with by controlling device with oil pocket in the cavity.
In above-mentioned motor vehicle damper, described inner core upper end is provided with an inside drum cover.The purpose of She Zhiing is to guarantee that piston rod slides in inner core like this, does not allow piston rod skid off inner core.
Compared with prior art, inner core outer fixing one urceolus of this motor vehicle damper forms a sealed hollow between urceolus and the inner core, and this cavity is connected by the controlling device that can regulate flow with the inner chamber of inner core; Flow size on its controlling device can regulate urceolus cavity and the interior tube inner chamber is controlled the damping speed and the damping effect of this motor vehicle damper, and it is simple in structure, and low cost of manufacture is practical.
Description of drawings
Fig. 1 is this motor vehicle damper sectional structure schematic representation.
Among the figure, 1, inner core; 1a, mount inlet; 1b, opening; 1c, air cavity; 1d, oil pocket; 2, piston one; 2a, piston rod; 2b, joint; 3, urceolus; 3a, air chamber; 3b, grease chamber; 4, sleeve pipe; 4a, adjustment hole; 4b, chute; 5, piston two; 5a, slide block; 6, adjustable lever; 7, sealing gasket; 8, valve valve; 9, free-piston; 10, Sealing; 11, seal ring; 12, jump ring; 13, round plate; 13a, assembly department; 14, protecting cover.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
In order to relax impact and the vibrations that are subjected to because of road is uneven in the process of moving with the decay Motor Vehicle, guarantee the smoothness and the travelling comfort of driving, help improving the working life of Motor Vehicle and the stability of manipulation, be provided with vibration damper on the Motor Vehicle.
As shown in Figure 1, this motor vehicle damper mainly is made up of inner core 1 and urceolus 3, and during actual the manufacturing, inner core 1 and urceolus 3 all adopt seamless alloy thick walled steel tube to make; The upper end of inner core 1 is provided with piston 1 and piston rod 2a by the inside drum cover 1b that is threaded in inner core 1; In order to guarantee the sliding stability between piston rod 2a and the piston 1 and to improve both mechanical strengths, piston rod 2a and piston 1 are integrally manufactured, inner core 1 is stretched out in its outer end, has ringwise joint 2b on the outer end of piston rod 2a, be provided with protecting cover 14 between joint 2b and the inner core 1, between piston 1 and inner core 1, be provided with and prevent in the inner core 1 by piston 1 Sealing 10 that two cavity volumes that form communicate of being separated by, sealing part 10 is provided with two during actual the use, this piston 1 inner core 1 relatively does reciprocating linear motion, when reality is used, the last cavity volume of inner core 1 is air cavity 1c, and following cavity volume is oil pocket 1d; Be arranged with urceolus 3 outside inner core 1, the bottom of the bottom of inner core 1 and urceolus 3 is welded on the round plate 13 simultaneously, and the outer diameter of urceolus 3 is the diameter of above-mentioned round plate 13, is provided with a ringwise assembly department 13a in the bottom of round plate 13; Form a sealed hollow between urceolus 3 and the inner core 1, on the inner tube wall between the cavity volume of cavity and inner core 1, offer an opening 1a, at opening 1a place welding one sleeve pipe 4, be provided with piston 25 in the sleeve pipe 4, on sleeve pipe 4 walls, have adjustment hole 4a, the cavity volume of above-mentioned cavity and inner core 1 is communicated with by adjustment hole 4a, this adjustment hole 4a is moved axially the size of regulating adjustment hole 4a in sleeve pipe 4 by piston 25, between piston 25 and sleeve pipe 4, be provided with O-ring seal 11, piston 25 is provided with adjustable lever 6, one end of adjustable lever 6 stretches out urceolus 3 barrels, the other end and piston 25 are by being threaded, its diameter that is threaded with piston 25 is greater than the diameter that passes urceolus 3 barrels, and this adjustable lever 6 is axially fixed on urceolus 3 barrels, has chute 4b on sleeve pipe 4 walls, be fixed with slide block 5a on the piston 25, piston 25 is connected with slide block 5a by chute 4b it is connected on the sleeve pipe 4 in axial sliding, when adjustable lever 6 rotates, drives the axial direction of piston 25 in sleeve pipe 4 and does linear reciprocating motion.In order to prevent adjustable lever 6 when rotating, fluid stretches out urceolus 3 walls from adjustable lever 6 and the phenomenon of leakage occurs, is provided with sealing gasket 7 between adjustable lever 6 and urceolus 3 inwalls, is provided with jump ring 12 between adjustable lever 6 and urceolus 3 outer walls.
When reality is used, in order to isolate oily gentle in urceolus 3 cavitys, outside inner core 1, be socketed with free-piston 9, these free-piston 9 outer walls contact with the inwall of cavity, described free-piston 9 is divided into air chamber 3a and the 3b of grease chamber with cavity, air chamber 3a is positioned at the upper end of free-piston 9, and the 3b of grease chamber is positioned at the lower end of free-piston 9; Be provided with the valve valve 8 that can be communicated with atmosphere on urceolus 3 walls, this urceolus 3 can pass through the air chamber input air of valve valve 8 in urceolus 3 cavitys, increases the air pressure in the air chamber 3a.
The movement process of this motor vehicle damper is: when impact that is subjected in the process of moving when Motor Vehicle and vibrations, piston rod 2a in the inner core 1 drives piston 1 and promotes downwards, fluid in the oil pocket 1d flow into the 3b of grease chamber by adjustment hole 4a, fluid among the 3b of this grease chamber promotes free-piston 9 and moves upward, the upper end of free-piston 9 is air chamber 3a, has certain gas pressure intensity in this air chamber 3a, bounce-back free-piston 9, it is moved downward, the fluid that promotes the 3b of grease chamber is back in the oil pocket 1d, and piston 1 is moved upward; The fluid of oil pocket 1d flow into the flow size of the 3b of grease chamber inner fluid by adjustable lever 6 adjustings in this movement process, when adjustable lever 6 clockwise rotates, piston 25 axially moves right along sleeve 4 inwalls and makes adjustment hole 4a become big gradually, when adjustable lever 6 rotated counterclockwise, piston 25 axially diminished adjustment hole 4a to left movement along sleeve 4 inwalls gradually; The fluid flow size of oil pocket 1d and the 3b of grease chamber has determined the motion speed of piston rod 2a.By regulating the oil mass size of adjustable lever 6 control its oil pocket 1d and the 3b of grease chamber, make this motor vehicle damper adapt to the cushioning effect of heavy type or mini motor vehicle.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. motor vehicle damper, comprise inner core (1) and be arranged on the interior piston one (2) of inner core (1), on piston one (2), be provided with piston rod (2a), inner core (1) is stretched out in the outer end of this piston rod (2a), it is characterized in that, described inner core (1) outer fixing one urceolus (3) forms a sealed hollow between urceolus (3) and the inner core (1), this cavity is connected by the controlling device that can regulate flow with the inner chamber of above-mentioned inner core (1).
2. motor vehicle damper according to claim 1, it is characterized in that, the below of described inner core (1) and urceolus (3) is provided with round plate (13), the bottom of inner core (1) and urceolus (3) all is fixed on the bottom surface of round plate, have a mount inlet (1a) on inner core (1) wall, above-mentioned controlling device is fixed on the mount inlet (1a).
3. motor vehicle damper according to claim 1 and 2, it is characterized in that, described controlling device comprises sleeve pipe (4) and is arranged on the interior piston two (5) of sleeve pipe (4), have adjustment hole (4a) on sleeve pipe (4) wall, this adjustment hole (4a) is moved axially the size of regulating adjustment hole (4a) in sleeve pipe (4) by piston two (5).
4. motor vehicle damper according to claim 3 is characterized in that, described piston two (5) is provided with adjustable lever (6), and an end of adjustable lever (6) stretches out urceolus (3) barrel, and the other end and above-mentioned piston two (5) are by being threaded.
5. motor vehicle damper according to claim 4 is characterized in that, is provided with sealing gasket (7) between described adjustable lever (6) and urceolus (3) inwall, is provided with jump ring (12) between adjustable lever (6) and urceolus (3) outer wall.
6. motor vehicle damper according to claim 3, it is characterized in that, have chute (4b) on described sleeve pipe (4) wall, be fixed with slide block (5a) on the described piston two (5), above-mentioned piston two (5) is connected being connected on the sleeve pipe (4) its slip by chute (4b) with slide block (5a).
7. motor vehicle damper according to claim 1 is characterized in that, described urceolus (3) wall is provided with the valve valve (8) that can be communicated with atmosphere.
8. motor vehicle damper according to claim 1 is characterized in that, the outer free-piston (9) of isolating oily gentle usefulness that is socketed with of described inner core (1), and described free-piston (9) outer wall contacts with the inwall of cavity.
9. motor vehicle damper according to claim 1 is characterized in that, is provided with between described piston one (2) and the inner core (1) can prevent in the inner core (1) by piston one (2) Sealing (10) that two cavity volumes that form communicate of being separated by.
10. motor vehicle damper according to claim 1 is characterized in that, described inner core (1) upper end is provided with an inside drum cover (1b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020663982XU CN201916409U (en) | 2010-12-16 | 2010-12-16 | Motor vehicle shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020663982XU CN201916409U (en) | 2010-12-16 | 2010-12-16 | Motor vehicle shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916409U true CN201916409U (en) | 2011-08-03 |
Family
ID=44416206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020663982XU Expired - Fee Related CN201916409U (en) | 2010-12-16 | 2010-12-16 | Motor vehicle shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201916409U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913584A (en) * | 2012-09-29 | 2013-02-06 | 许继集团有限公司 | Oil damper |
| CN113847379A (en) * | 2021-08-31 | 2021-12-28 | 东风汽车集团股份有限公司 | Shock absorber damping adjusting system and method |
| CN115929830A (en) * | 2022-12-23 | 2023-04-07 | 宁波鸿裕工业有限公司 | High bounce-back shock absorber and vehicle |
-
2010
- 2010-12-16 CN CN201020663982XU patent/CN201916409U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913584A (en) * | 2012-09-29 | 2013-02-06 | 许继集团有限公司 | Oil damper |
| CN102913584B (en) * | 2012-09-29 | 2014-12-24 | 许继集团有限公司 | Oil damper |
| CN113847379A (en) * | 2021-08-31 | 2021-12-28 | 东风汽车集团股份有限公司 | Shock absorber damping adjusting system and method |
| CN115929830A (en) * | 2022-12-23 | 2023-04-07 | 宁波鸿裕工业有限公司 | High bounce-back shock absorber and vehicle |
| CN115929830B (en) * | 2022-12-23 | 2023-08-15 | 宁波鸿裕工业有限公司 | High-rebound-force shock absorber and vehicle |
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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: 20110803 Termination date: 20131216 |