CN203051605U - Adjustable damper - Google Patents
Adjustable damper Download PDFInfo
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- CN203051605U CN203051605U CN 201320052230 CN201320052230U CN203051605U CN 203051605 U CN203051605 U CN 203051605U CN 201320052230 CN201320052230 CN 201320052230 CN 201320052230 U CN201320052230 U CN 201320052230U CN 203051605 U CN203051605 U CN 203051605U
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Abstract
The utility model relates to the field of dampers, in particular to an adjustable damper. The adjustable damper comprises a valve seat, an oil storage drum, a flow guiding cylinder, a working cylinder, a piston rod and a guider assembly, wherein the valve seat is connected with the lower portion of the oil storage drum in a sealing mode, the flow guiding cylinder is arranged inside the oil storage drum, the working cylinder is arranged inside the flow guiding cylinder, the piston rod is arranged inside the working cylinder, the piston rod penetrates through the top of the oil storage drum and is connected with an outside bearing object, the bottom of the piston rod is connected with a piston assembly, and the piston assembly is provided with a check valve c and a check valve d, wherein the direction of the check valve c and the direction of the check valve d are opposite. The bidirectional damping adjustable damper has the advantages of being stable and durable, simplifying a manufacturing technology and an assembly technology, improving efficiency, and achieving large-scale production.
Description
Technical field
The utility model relates to the vibration damper field, relates in particular to a kind of adjustable shock absorber.
Background technique
The modern just lives necessary tool and our life is more and more tightr since automobile becomes; Along with the raising of people to quality of life, people are more and more higher to the requirement of the handling and travelling comfort of automobile, and people have designed a lot of shock absorbing apparatus for this reason.But because different driving conditions are to the requirement difference of vibration damper damping function ability, common hydraulic damper can not be made in good time adjustment according to the size of different tracks and different loads, its effect to the vehicle body shock attenuation is relatively poor, influences the handling and travelling comfort of vehicle.For this reason, people need a kind ofly can satisfy vehicle can produce good damping function under different tracks and loaded-up condition vibration damper.
For the Adjustable Damping problem of vibration damper, the engineer constantly explores and innovates, and has proposed the scheme of solution miscellaneous.Such as, someone has invented a kind of damper regulation mechanism patent announcement of debugging vibration damper: CN101070890B, this controlling mechanism, employing arranges a sealing valve block that is fixed on joint between the cylinder barrel, opens the hole at the sealing valve block, plugs front fine and rear thick taper valve core in the through hole, add shock mount between valve block and the spool, when the position between change spool and the valve block concerned, its flow area also changed thereupon, thereby produced damping change.This project organization is simple, and is easy to adjust, but the variation of damping is to finish by the mating reaction between the vital part, so required precision and the coupling of sealing valve block, spool and spring are had relatively high expectations.In addition, the positioning and locking of spool is the power of the effect of pressured contracting gas and spool face in this mechanism, and when running into high speed and high pressure liquid stream, it is unstable that controlling mechanism will become.So this scheme needs further improvement just can be applied on the existing vibration damper product.
It is poor that the utility model has mainly solved existing Adjustable Damping technical stability, the technological requirement height, and working life is short, the defective that cost of production is high.
Summary of the invention
The utility model provides a kind of adjustable shock absorber at the deficiencies in the prior art, and it is poor better to solve existing Adjustable Damping technical stability, the technological requirement height, and working life is short, the defective that cost of production is high.
The technical solution of the utility model is to realize like this.
Adjustable shock absorber, comprise valve seat, fuel tank, water conservancy diversion cylinder, clutch release slave cylinder, piston rod, director assembly, valve base sealing is connected the fuel tank below, the water conservancy diversion cylinder is arranged on fuel tank inside, clutch release slave cylinder is arranged on the water conservancy diversion cylinder interior, and piston rod is arranged on clutch release slave cylinder inside, and the top that piston rod passes fuel tank is connected with outside load-bearing thing, the piston rod bottom connects piston assembly, and piston assembly is provided with the opposite one-way valve c of both direction and one-way valve d; Director assembly is arranged on the top of fuel tank, water conservancy diversion cylinder, clutch release slave cylinder, be used for location and assembling water conservancy diversion cylinder, clutch release slave cylinder, piston rod etc., director assembly is provided with the normal open hole, Oil Guide chamber between normal open hole UNICOM work epicoele and water conservancy diversion cylinder and the clutch release slave cylinder, also comprise and be divided into resistance sheet and the two-part supporting compression valve of following ring assembly, the resistance sheet of going up of described supporting compression valve assembly is arranged in the clutch release slave cylinder, on hinder sheet and be provided with the opposite one-way valve a of both direction and one-way valve b; The following ring of described supporting compression valve assembly is provided with two through holes, through hole UNICOM Oil Guide chamber and oil guiding hole, the oil storage chamber between side space and fuel tank and the water conservancy diversion cylinder under the resistance sheet in another through hole UNICOM; Have the blind hole one of UNICOM's oil guiding hole and spill port on the valve seat, also be provided with cylindrical regulating spool in the blind hole one, described regulating spool one end is provided with axial blind hole two, the inwall of blind hole two is provided with the radial direction through hole in the different apertures that a plurality of and regulating spool outer wall communicate, and the position of these radial direction through hole is corresponding with spill port.
As further technological scheme of the present utility model, described regulating spool outer end also is provided with hand knob or electronic knob.
As further technological scheme of the present utility model, described radial direction through hole is distributed in the same radial cross section, is equidistant between each radial direction through hole, is arranged in order by pore size.
As further technological scheme of the present utility model, the circulation positioning device is equipped with in described valve seat and regulating spool junction.
As further technological scheme of the present utility model, described regulating spool outer wall is provided with seal ring.
When vibrations took place in the external world, piston rod was forced to move up and down, the vibration damper clutch release slave cylinder of turnover sealing simultaneously.When piston rod was up, the pressure of work epicoele increased, and fluid enters the Oil Guide cylinder by the normal open hole, flow into valve seat through oil guiding hole again, form small oil cavity at blind hole two positions of regulating spool, after the pressure of small oil cavity arrives certain value, fluid finally arrives oil storage chamber through radial direction through hole and spill port.In this process, when rotation during hand knob, with spill port with it the size of corresponding radial direction through hole change, it provides, and damping force is also corresponding to change the Adjustable Damping of the up process of realization piston rod.Upper cavity pressure is too high if work in this process, and when acquiring a certain degree, the one-way valve c on the piston assembly opens, and pressure descends, and this process had both guaranteed the relatively stable of damping, has also avoided the overload of vibration damper to damage simultaneously.
When piston rod is descending, work cavity pressure down increases, form certain pressure reduction with the work epicoele, this moment, fluid was full of epicoele through the one-way valve d of piston assembly, pass through spill port, in descending process, enter the clutch release slave cylinder of sealing owing to piston rod, cause that internal volume reduces, the inner a part of fluid of clutch release slave cylinder, normal open hole through director assembly, the Oil Guide cylinder, oil guiding hole arrives the radial direction through hole of regulating spool, selects the size of radial direction through hole by the rotating regulation valve core, with spill port with it the size of corresponding radial direction through hole change, then it provides also changing of correspondence of damping force, realizes the Adjustable Damping of the up process of piston rod.If in this process, work the cavity of resorption overpressure, when acquiring a certain degree with the oil storage chamber pressure difference, the one-way valve b on the supporting compression valve assembly opens, and pressure descends, this process has also avoided the overload of vibration damper to damage in the metastable while that has guaranteed damping.
When external hand knob cancellation, when controlling with electronic knob assembly, can realize automatically controlled adjusting, and can include the vehicle electric control system in addition.When driver and passenger's subjectivity needed to regulate, system processed provided instruction by electronics, and electronic knob assembly receives also execution command, and the rotating regulation valve core is adjusted to corresponding position, and the realization damping is regulated.
The utility model provides a kind of bidirectional damper adjustable damper, and stable, durable; Simplify manufacturing and assembly technology, improved efficient; Realized the large-scale production of two-way adjustable damper.
Description of drawings
Fig. 1 is overall structure schematic representation of the present utility model.
Fig. 2 is the structural representation of regulating spool among the utility model Fig. 1.
Fig. 3 is A-A direction sectional structure schematic representation among the utility model Fig. 2.
Fig. 4 installs the regulating spool structural representation of electronic knob for the utility model.
Among the figure, valve seat 1, oil guiding hole 2, supporting compression valve assembly 3, work cavity of resorption 4, oil storage chamber 5, Oil Guide chamber 6, work epicoele 7, fuel tank 8, water conservancy diversion cylinder 9, clutch release slave cylinder 10, piston rod 11, normal open hole 12, director assembly 13, circulation positioning device 14, hand knob 15, regulating spool 16, spill port 17, piston assembly 18, one-way valve a19a, one-way valve b19b, one-way valve c19c, one-way valve d19d, seal ring 20, radial direction through hole 21, blind hole 2 22.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment.
As shown in Figures 1 to 4, adjustable shock absorber, comprise valve seat 1, fuel tank 8, water conservancy diversion cylinder 9, clutch release slave cylinder 10, piston rod 11, director assembly 13, valve seat 1 is sealedly connected on fuel tank 8 belows, water conservancy diversion cylinder 9 is arranged on fuel tank 8 inside, clutch release slave cylinder 10 is arranged on water conservancy diversion cylinder 9 inside, piston rod 11 is arranged on clutch release slave cylinder 10 inside, the top that piston rod 11 passes fuel tank 8 is connected with outside load-bearing thing, piston rod 11 bottoms connect piston assembly 18, and piston assembly 18 is provided with the opposite one-way valve c19c of both direction and one-way valve d19d; Director assembly 13 is arranged on the top of fuel tank 8, water conservancy diversion cylinder 9, clutch release slave cylinder 10, be used for location and assembling water conservancy diversion cylinder 9, clutch release slave cylinder 10, piston rod 11 etc., director assembly 13 is provided with normal open hole 12, Oil Guide chamber 6 between normal open hole 12 UNICOMs work epicoele 7 and water conservancy diversion cylinder 9 and the clutch release slave cylinder 10, also comprise and be divided into resistance sheet and the two-part supporting compression valve of following ring assembly 3, the resistance sheet of going up of described supporting compression valve assembly 3 is arranged in the clutch release slave cylinder 10, on hinder sheet and be provided with the opposite one-way valve a19a of both direction and one-way valve b19b; The following ring of described supporting compression valve assembly 3 is provided with two through holes, through hole UNICOM Oil Guide chamber 6 and oil guiding hole 2, the oil storage chamber 5 between side space and fuel tank 8 and the water conservancy diversion cylinder 9 under the resistance sheet in another through hole UNICOM; Have the blind hole one of UNICOM's oil guiding hole 2 and spill port 17 on the valve seat 1, also be provided with cylindrical regulating spool 16 in the blind hole one, described regulating spool 16 1 ends are provided with axial blind hole 2 22, the inwall of blind hole 2 22 is provided with the radial direction through hole 21 in the different apertures that a plurality of and regulating spool 16 outer walls communicate, and the position of these radial direction through hole 21 is corresponding with spill port 17.
Described regulating spool 16 outer ends also are provided with hand knob 15 or electronic knob.
Described radial direction through hole 21 is distributed in the same radial cross section, is equidistant between each radial direction through hole 21, is arranged in order by pore size.
Described valve seat 1 is equipped with circulation positioning device 14 with regulating spool 16 junctions.
Described regulating spool 16 outer walls are provided with seal ring 20.
When vibrations took place in the external world, piston rod 11 was forced to move up and down, the vibration damper clutch release slave cylinder 10 of turnover sealing simultaneously.When piston rod 11 is up, the pressure of work epicoele 7 increases, fluid enters Oil Guide cylinder 9 by normal open hole 12, flow into valve seat 1 through oil guiding hole 2 again, blind hole 2 22 positions at regulating spool 16 form small oil cavity, after the pressure of small oil cavity arrived certain value, fluid finally arrived oil storage chamber 5 through radial direction through hole 21 and spill port 17.In this process, when rotation during hand knob 15, with spill port 17 with it the size of corresponding radial direction through hole 21 change, it provides, and damping force is also corresponding to change the Adjustable Damping of the up process of realization piston rod.Epicoele 7 overpressure if in this process, work, when acquiring a certain degree, the one-way valve c19c on the piston assembly opens, and pressure descends, and this process had both guaranteed the relatively stable of damping, had also avoided the overload of vibration damper to damage simultaneously.
When piston rod is descending, work cavity of resorption 4 pressure increase, form certain pressure reduction with work epicoele 7, this moment, fluid was full of epicoele through the one-way valve d19d of piston assembly, by spill port 17, in descending process, enter the clutch release slave cylinder 10 of sealing owing to piston rod 11, cause that internal volume reduces, clutch release slave cylinder 10 inner a part of fluid, normal open hole 12 through director assembly 13, Oil Guide cylinder 9, oil guiding hole 2 arrives the radial direction through hole 21 of regulating spool 16, select the size of radial direction through hole 21 by the rotating regulation valve core, with spill port 17 with it the size of corresponding radial direction through hole 21 change, then it provides also changing of correspondence of damping force, realizes the Adjustable Damping of piston rod 11 up processes.If in this process, work the cavity of resorption overpressure, when acquiring a certain degree with oil storage chamber 5 pressure differences, the one-way valve b19b on the supporting compression valve assembly 3 opens, and pressure descends, this process has also avoided the overload of vibration damper to damage in the metastable while that has guaranteed damping.
When external hand knob 15 cancellations, when controlling with electronic knob assembly, can realize automatically controlled adjusting, and can include the vehicle electric control system in addition.When driver and passenger's subjectivity needed to regulate, system processed provided instruction by electronics, and electronic knob assembly receives also execution command, and the rotating regulation valve core is adjusted to corresponding position, and the realization damping is regulated.
Claims (6)
1. adjustable shock absorber, comprise valve seat (1), fuel tank (8), water conservancy diversion cylinder (9), clutch release slave cylinder (10), piston rod (11), director assembly (13), valve seat (1) is sealedly connected on fuel tank (8) below, water conservancy diversion cylinder (9) is arranged on fuel tank (8) inside, clutch release slave cylinder (10) is arranged on water conservancy diversion cylinder (9) inside, piston rod (11) is arranged on clutch release slave cylinder (10) inside, the top that piston rod (11) passes fuel tank (8) is connected with outside load-bearing thing, piston rod (11) bottom connects piston assembly (18), and piston assembly (18) is provided with the opposite one-way valve c(19c of both direction) and one-way valve d(19d); Director assembly (13) is arranged on fuel tank (8), water conservancy diversion cylinder (9), the top of clutch release slave cylinder (10), it is characterized in that: director assembly (13) is provided with normal open hole (12), Oil Guide chamber (6) between normal open hole (12) UNICOM work epicoele (7) and water conservancy diversion cylinder (9) and the clutch release slave cylinder (10), also comprise and be divided into resistance sheet and following ring two-part supporting compression valve assembly (3), the resistance sheet of going up of described supporting compression valve assembly (3) is arranged in the clutch release slave cylinder (10), on hinder sheet and be provided with the opposite one-way valve a(19a of both direction) and one-way valve b(19b); The following ring of described supporting compression valve assembly (3) is provided with two through holes, through hole UNICOM Oil Guide chamber (6) and oil guiding hole (2), the oil storage chamber (5) between side space and fuel tank (8) and the water conservancy diversion cylinder (9) under the resistance sheet in another through hole UNICOM; Have the blind hole one of UNICOM's oil guiding hole (2) and spill port (17) on the valve seat (1), also be provided with cylindrical regulating spool (16) in the blind hole one, described regulating spool (16) one ends are provided with axial blind hole two (22), the inwall of blind hole two (22) is provided with the radial direction through hole (21) in the different apertures that a plurality of and regulating spool (16) outer wall communicate, and the position of these radial direction through hole (21) is corresponding with spill port (17).
2. adjustable shock absorber according to claim 1, it is characterized in that: described regulating spool (16) outer end also is provided with hand knob (15).
3. adjustable shock absorber according to claim 1, it is characterized in that: described regulating spool (16) outer end also is provided with electronic knob.
4. adjustable shock absorber according to claim 1, it is characterized in that: described radial direction through hole (21) is distributed in the same radial cross section, is equidistant between each radial direction through hole (21), is arranged in order by pore size.
5. adjustable shock absorber according to claim 1 is characterized in that: described valve seat (1) is equipped with circulation positioning device (14) with regulating spool (16) junction.
6. adjustable shock absorber according to claim 1, it is characterized in that: described regulating spool (16) outer wall is provided with seal ring (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052230 CN203051605U (en) | 2013-01-31 | 2013-01-31 | Adjustable damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052230 CN203051605U (en) | 2013-01-31 | 2013-01-31 | Adjustable damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051605U true CN203051605U (en) | 2013-07-10 |
Family
ID=48734561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320052230 Withdrawn - After Issue CN203051605U (en) | 2013-01-31 | 2013-01-31 | Adjustable damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051605U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775557A (en) * | 2013-01-31 | 2014-05-07 | 江西巨晟实业有限公司 | Adjustable shock absorber |
| CN104165205A (en) * | 2014-07-18 | 2014-11-26 | 北京福田戴姆勒汽车有限公司 | Pilot-operated type shock absorber |
| CN110686035A (en) * | 2019-09-29 | 2020-01-14 | 成都博仕腾科技有限公司 | Double-oil-way mechanical control variable-damping passive oil pressure shock absorber for railway vehicle |
-
2013
- 2013-01-31 CN CN 201320052230 patent/CN203051605U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775557A (en) * | 2013-01-31 | 2014-05-07 | 江西巨晟实业有限公司 | Adjustable shock absorber |
| CN104165205A (en) * | 2014-07-18 | 2014-11-26 | 北京福田戴姆勒汽车有限公司 | Pilot-operated type shock absorber |
| CN104165205B (en) * | 2014-07-18 | 2016-07-06 | 北京福田戴姆勒汽车有限公司 | Pilot-operated type vibroshock |
| CN110686035A (en) * | 2019-09-29 | 2020-01-14 | 成都博仕腾科技有限公司 | Double-oil-way mechanical control variable-damping passive oil pressure shock absorber for railway vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |