CN207921224U - One kind can pressure accumulation vehicle shock absorber - Google Patents

One kind can pressure accumulation vehicle shock absorber Download PDF

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Publication number
CN207921224U
CN207921224U CN201820231581.3U CN201820231581U CN207921224U CN 207921224 U CN207921224 U CN 207921224U CN 201820231581 U CN201820231581 U CN 201820231581U CN 207921224 U CN207921224 U CN 207921224U
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China
Prior art keywords
piston
sleeve
air
exhaust
shock absorber
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CN201820231581.3U
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Chinese (zh)
Inventor
绳飘
荆双喜
黄晖
张振华
冷军发
黄俊杰
牛振华
闫安志
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Henan University of Technology
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Henan University of Technology
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Abstract

The utility model provide one kind can pressure accumulation vehicle shock absorber, belong to the technical field of damper.Can pressure accumulation vehicle shock absorber include sleeve, it is provided with power piston and flow check piston from top to bottom in the sleeve, there is the through-hole being arranged along the vertical direction on flow check piston, power piston is connected with flow check piston by spring, sleeve is divided into air chamber by power piston and flow check piston from top to bottom, upper oil cavitie and lower oil cavitie, air chamber is not connected to mutually with upper oil cavitie, piston rod is fixedly connected on flow check piston, piston rod is through lower oil cavitie and extends downward into outside sleeve, intake section and exhaust portion have been respectively communicated on air chamber, breather check valve is provided on intake section, exhaust check valve is provided in exhaust portion.The utility model adds air-breathing and exhaust apparatus in damper, and vibrational energy is converted to air compression energy, and energy conservation and environmental protection is simple and reliable for structure, and manufacture and maintenance cost are relatively low.

Description

One kind can pressure accumulation vehicle shock absorber
Technical field
The utility model belongs to the technical field of damper, and in particular to one kind can pressure accumulation vehicle shock absorber.
Background technology
The suspension system of automobile is the chief component of automobile chassis structures, and damper and shock-absorbing spring are suspensions Two core components of system.
With the development of air spring for automobile technology, more and more high-end automobiles replace original steel using air spring Spring has met the needs of riding comfort and bodywork height adjustability.Traditional damper is mainly by Damping work Mode carries out vibration damping to body structure, and vibrational energy is converted into thermal energy by damping unit and is directly diffused into air, wastes energy Source, while a degree of pollution is caused to environment.
Utility model content
The purpose of this utility model is to provide one kind can pressure accumulation vehicle shock absorber, air-breathing and exhaust are added in damper Vibrational energy is converted to air compression energy by device, and energy conservation and environmental protection is simple and reliable for structure, and manufacture and maintenance cost are relatively low.
The utility model adopts the following technical solution:One kind can pressure accumulation vehicle shock absorber, including sleeve, in the sleeve from It is upper and be arranged with power piston and flow check piston, there is the through-hole being arranged along the vertical direction on flow check piston, power piston and Flow check piston is connected by spring, power piston and flow check piston sleeve is divided into from top to bottom air chamber, upper oil cavitie and Lower oil cavitie, air chamber and upper oil cavitie are not connected to mutually, are fixedly connected with piston rod on flow check piston, piston rod through lower oil cavitie and to Under extend to outside sleeve, intake section and exhaust portion have been respectively communicated on air chamber, breather check valve is provided on intake section, be vented Exhaust check valve is provided in portion.
The lower oil cavitie lower end is provided with the pipeline being connected to lower oil cavitie, is provided with gate gurgle valve on pipeline, pipeline from Buffer is provided with by end, elastic membrane is provided in buffer, buffer is distinguished mutually disconnected draining chamber and height by elastic membrane Nitrogen chamber, draining chamber is pressed to be connected with pipeline.
The intake section and exhaust portion are located at the top position of air chamber.
The intake section is connected by check valve with extraneous air, and exhaust portion is connected by check valve with external air accumulator It is logical.
The over top of the air chamber is with certain thickness sleeve upper plate, and the intake section is to be arranged in the set The air inlet venthole being connected to air chamber in cylinder upper plate, the exhaust portion is that in the sleeve upper plate and air chamber is arranged The exhaust venthole of connection, the air inlet venthole and exhaust venthole are symmetrical, arranged side by side in the sleeve upper plate.
The exhaust venthole is class " L " type shape, and the exhaust free end of the exhaust venthole is to the side of sleeve upper plate It is prominent outside wall.
The air inlet venthole is class " L " type shape, and the air inlet free end of the air inlet venthole is to the side of sleeve upper plate It is prominent outside wall.
The through-hole is uniformly arranged in flow check piston.
It is provided with gasket between the part that the piston rod extends to lower oil cavitie lower part and sleeve lower end.
It is provided with location and installation portion at the top of the sleeve, the piston-rod lower end portion is provided with lower location and installation portion.
The beneficial effects of the utility model are as follows:
(1)Can unfavorable road excitation be converted to air compression energy to collect, and by compressed-air-storing in gas storage In device, compressed air can be air spring for automobile make-up gas, can also import vehicle motor combustion chamber and improve ratio of combustion, Energy-saving and emission-reduction;
(2)When external drive is stronger, keeps the oil pocket oil pressure in damper excessive, design buffer is to above-mentioned excessive oil pressure Into row buffering, prevent from damaging damper because internal oil pressure is excessive;
(3)Simple and reliable for structure, manufacture is low with maintenance cost.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiments of the present invention, for this For the those of ordinary skill of field, without having to pay creative labor, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
In order to keep the technical purpose, technical solution and advantageous effect of the utility model clearer, below in conjunction with the accompanying drawings and Specific embodiment is further illustrated the technical solution of the utility model.
As shown in Figure 1, using direction shown in arrow in scheming as upper and lower directions, the utility model one kind can pressure accumulation vehicle vibration damping Device, including sleeve 14 are provided with power piston 3 and flow check piston 6 in the sleeve 14, have on flow check piston 6 from top to bottom The through-hole 17 being arranged along the vertical direction, power piston 3 and flow check piston 6 are connected by spring 4, power piston 3 and flow check piston 6 Sleeve 14 is divided into air chamber 15, upper oil cavitie 5 and lower oil cavitie 7 from top to bottom, air chamber 15 is not connected to mutually with upper oil cavitie 5, Piston rod 8 is fixedly connected on flow check piston 6, piston rod 8 is through lower oil cavitie 7 and extends downward into outside sleeve 14, air chamber 15 On be respectively communicated with intake section 2 and exhaust portion 16, breather check valve is provided on intake section 2, exhaust is provided in exhaust portion 16 Check valve, 7 lower end of lower oil cavitie are provided with the pipeline 18 being connected to lower oil cavitie 7, gate gurgle valve 13, pipeline 18 are provided on pipeline 18 Free end be provided with buffer 19, elastic membrane 11 is provided in buffer 19, elastic membrane 11 does not connect buffer 19 mutually respectively Logical draining chamber 10 and elevated pressure nitrogen air cavity 12, draining chamber 10 are connected with pipeline 18.
Gate gurgle valve 13 can be opened when the oil pressure of lower oil cavitie 7 is higher than setting value, and the fluid in lower oil cavitie 7 is made to enter draining chamber 10, and the fluid in draining chamber 10 can be made to be back to lower oil cavitie 7, draining when the oil pressure of lower oil cavitie 7 is not higher than the setting value Valve 13 is closed, and realizes buffering.
The intake section 2 and exhaust portion 16 are located at the top position of air chamber 15.To make about 3 power piston transport When dynamic, air inlet and degassing function can be smoothly realized in air chamber 15, and intake section is blocked when power piston 3 being avoided to move up and down 2 and exhaust portion 16.
The intake section 2 is connected by check valve with extraneous air, and exhaust portion 16 passes through check valve and external air accumulator It is connected.Air can only be flowed to by intake section 2 in air chamber 15, and the air in air chamber 15 can only be outside by exhaust portion 16 Exhaust.Air i.e. in air chamber 15 cannot be vented by intake section 2, can not pass through 16 air inlet of exhaust portion.To pass through sky The one-way air inlet and exhaust process of air cavity 15 realize the conversion of vibrational energy and air compression energy.
The over top of the air chamber 15 is with certain thickness sleeve upper plate 20, and the intake section 2 is that setting exists The air inlet venthole 2 being connected to air chamber 15 in the sleeve upper plate 20, the exhaust portion 16 are to be arranged on the sleeve The exhaust venthole 16 being connected to air chamber 15 in plate 20.
The air inlet venthole 2 and exhaust venthole 16 are symmetrical, arranged side by side in the sleeve upper plate 20.
The exhaust venthole 16 is class " L " type shape, and the exhaust free end of the exhaust venthole 16 is to sleeve upper plate It is prominent outside 20 side wall.
The air inlet venthole 2 is class " L " type shape, and the air inlet free end of the air inlet venthole 2 is to sleeve upper plate 20 Side wall outside it is prominent.
The position and structure of above-mentioned air inlet venthole 2 and exhaust venthole 16 are designed with conducive to sleeve itself is made full use of Space keeps overall structure simple and reliable, reduces the volume of the present embodiment damper and required the space occupied.
The through-hole 17 uniformly, is symmetrically arranged in flow check piston 6, is conducive to make each portion in upper oil cavitie 5 and lower oil cavitie 7 The oil pressure divided is uniform.
It is provided with gasket between part and the lower end of sleeve 14 that the piston rod 8 extends to the lower part of lower oil cavitie 7 21.Gasket 21 can ensure between lower oil cavitie 7 and extraneous air in mutual disconnected state.
14 top of the sleeve is provided with location and installation portion 1, and 8 lower end of the piston rod is provided with lower location and installation portion 9.The present embodiment damper is connected on external device (ED) by upper location and installation portion 1 and lower location and installation portion 9.
When work, when the present embodiment damper is vibrated, sleeve 14 is caused to pump, makes 5 He of upper oil cavitie 7 two-part volume of lower oil cavitie changes, and so as to cause the variation of oil pressure in upper oil cavitie 5 and lower oil cavitie 7, the variation of oil pressure is drawn Starting power piston 3 moves up and down, to complete suction and discharge process.
Specifically, being moved upwards when the sleeve 14 is vibrated, 5 space of upper oil cavitie increases, and 7 space of lower oil cavitie reduces, Fluid in lower oil cavitie 7 is up moved by flow check piston 6, since there are piston rods 8 for lower oil cavitie 7, is located in lower oil cavitie 7 originally The part of piston rod be moved to outside lower oil cavitie 7, therefore, the space increase of the upper oil cavitie 5 is equal to the space of lower oil cavitie 7 Reduction amount adds the volume for being moved to a part of piston rod outside lower oil cavitie 7, and therefore, the space increase of the upper oil cavitie 5 is big In the space reduction amount of oil pocket 7, the fluid in lower oil cavitie 7 can not fill up upper oil cavitie 5 in time, so in the upper oil cavitie 5 There are negative pressure.The relative sleeve 14 under the booster action of spring 4 of power piston 3 moves down under the action of negative pressure, makes air 15 volume of chamber increases, and extraneous air enters air chamber 15 via air inlet venthole 2 under the action of negative pressure, completes breathing process.
Exhaust process then on the contrary, specifically, when the sleeve 14 is vibrated move downward when, 5 space of the upper oil cavitie Reduce, 7 space of lower oil cavitie increases, and the fluid in the upper oil cavitie 5 is moved down by flow check piston 6, since lower oil cavitie 7 exists Piston rod 8, the piston rod portion positioned at the bottom part down of lower oil cavitie 7 enter in lower oil cavitie 7, and therefore, the space of upper oil cavitie 5 reduces Amount adds the new volume into the piston rod portion in lower oil cavitie 7 equal to the space increase of lower oil cavitie 7, therefore, described to oil The space reduction amount of chamber 5 is more than the space increase of oil pocket 7, and the oil pressure in upper oil cavitie 5 is caused to increase, and so that spring 4 is pressurized, in oil Under the common promotion of pressure and spring 4,3 relative sleeve 14 of power piston moves upwards, and so that 15 volume of air chamber is reduced, the air Air in chamber 15 is expelled to external air accumulator via exhaust venthole 16, completes exhaust process, stored air compression energy.
When external drive is stronger, such as when the excitation vibrated moved upwards of sleeve 14 is stronger, lead to the oil pressure of lower oil cavitie 7 When excessive, gate gurgle valve 13 is designed, when the oil pressure of lower oil cavitie 7 is greater than the set value, gate gurgle valve 13 is opened, the fluid in lower oil cavitie 7 Enter draining chamber 10 by pipeline 18, completes buffering;When said external, which encourages, to disappear, it is less than setting in the oil pressure of lower oil cavitie 7 When value, under the effect of elevated pressure nitrogen air cavity 12, elastic membrane 11 moves auxiliary oil return to 10 direction of draining chamber, even if in draining chamber 10 Fluid is back to lower oil cavitie 7, and gate gurgle valve 13 is closed.
Therefore, a suction and discharge process is completed within a vibration period of the present embodiment damper, when vibration continues It can continuously be inflated to external air accumulator, realize that vibrational energy and air compress transformation of energy.
The utility model in damper by adding air-breathing and compressing device, while damper is Vehicle damper, Unfavorable vibrational energy is stored by being converted into the compression energy of air, realizes the recycling of automobile vibrational energy.Compression is empty On the one hand gas can provide air source for the air spring of vehicle suspension, can replace traditional electric compressor, reduce electricity consumption, save The energy is reduced since air compressor machine starts the damage to automobile circuit repeatedly;On the other hand compressed air can be imported to vehicle hair The admission line of motivation realizes engine booster, improves combustion rate.
It should be noted last that:The technical solution of the utility model that the above embodiments are only illustrative and not limiting is appointed What to the utility model carry out equivalent replacement and do not depart from the spirit and scope of the utility model modification or part replace, It should cover within the scope of the utility model claims are protected.

Claims (10)

1. one kind can pressure accumulation vehicle shock absorber, which is characterized in that including sleeve, dynamic work is arranged in the sleeve from top to bottom Plug and flow check piston have the through-hole being arranged along the vertical direction on flow check piston, and power piston and flow check piston pass through spring phase Even, sleeve is divided into air chamber, upper oil cavitie and lower oil cavitie by power piston and flow check piston from top to bottom, air chamber and is oiled Chamber is not connected to mutually, piston rod is fixedly connected on flow check piston, piston rod is through lower oil cavitie and extends downward into outside sleeve, air It has been respectively communicated with intake section and exhaust portion on chamber, breather check valve is provided on intake section, it is unidirectional that exhaust is provided in exhaust portion Valve.
2. one kind according to claim 1 can pressure accumulation vehicle shock absorber, which is characterized in that the lower oil cavitie lower end setting There is the pipeline being connected to lower oil cavitie, gate gurgle valve is provided on pipeline, the free end of pipeline is provided with buffer, is arranged in buffer Elastic film, by buffer, mutually disconnected draining chamber and elevated pressure nitrogen air cavity, draining chamber are connected elastic membrane with pipeline respectively.
3. one kind according to claim 2 can pressure accumulation vehicle shock absorber, which is characterized in that the intake section and discharge portion Not Wei Yu air chamber top position.
4. one kind according to claim 3 can pressure accumulation vehicle shock absorber, which is characterized in that the intake section passes through check valve It is connected with extraneous air, exhaust portion is connected by check valve with external air accumulator.
5. one kind according to claim 4 can pressure accumulation vehicle shock absorber, which is characterized in that the over top of the air chamber For with certain thickness sleeve upper plate, the intake section is the air inlet being connected to air chamber being arranged in the sleeve upper plate Venthole, the exhaust portion are the exhaust venthole being connected to air chamber being arranged in the sleeve upper plate, and the air inlet is logical Stomata and exhaust venthole are symmetrical, arranged side by side in the sleeve upper plate.
6. one kind according to claim 5 can pressure accumulation vehicle shock absorber, which is characterized in that the exhaust venthole is class The exhaust free end of " L " type shape, the exhaust venthole is prominent to outside the side wall of sleeve upper plate.
7. one kind according to claim 6 can pressure accumulation vehicle shock absorber, which is characterized in that the air inlet venthole is class The air inlet free end of " L " type shape, the air inlet venthole is prominent to outside the side wall of sleeve upper plate.
8. one kind according to claim 7 can pressure accumulation vehicle shock absorber, which is characterized in that the through-hole is in flow check piston It is uniformly arranged.
9. can pressure accumulation vehicle shock absorber according to claim 1 to 8 any one of them one kind, which is characterized in that the piston rod It is provided with gasket between the part and sleeve lower end that extend to lower oil cavitie lower part.
10. one kind according to claim 9 can pressure accumulation vehicle shock absorber, which is characterized in that be provided at the top of the sleeve Upper location and installation portion, the piston-rod lower end portion are provided with lower location and installation portion.
CN201820231581.3U 2018-02-09 2018-02-09 One kind can pressure accumulation vehicle shock absorber Active CN207921224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820231581.3U CN207921224U (en) 2018-02-09 2018-02-09 One kind can pressure accumulation vehicle shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820231581.3U CN207921224U (en) 2018-02-09 2018-02-09 One kind can pressure accumulation vehicle shock absorber

Publications (1)

Publication Number Publication Date
CN207921224U true CN207921224U (en) 2018-09-28

Family

ID=63603965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820231581.3U Active CN207921224U (en) 2018-02-09 2018-02-09 One kind can pressure accumulation vehicle shock absorber

Country Status (1)

Country Link
CN (1) CN207921224U (en)

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