CN104405818A - Adjustable damper - Google Patents
Adjustable damper Download PDFInfo
- Publication number
- CN104405818A CN104405818A CN201410677016.6A CN201410677016A CN104405818A CN 104405818 A CN104405818 A CN 104405818A CN 201410677016 A CN201410677016 A CN 201410677016A CN 104405818 A CN104405818 A CN 104405818A
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- Prior art keywords
- damping
- cylinder
- piston rod
- shock
- piston
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/466—Throttling control, i.e. regulation of flow passage geometry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/466—Throttling control, i.e. regulation of flow passage geometry
- F16F9/467—Throttling control, i.e. regulation of flow passage geometry using rotary valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/54—Arrangements for attachment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/58—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses an adjustable damper, which comprises a damping spring and a damper assembly, wherein the damper assembly comprises a damping cylinder and a piston assembly, the damping assembly is provided with a damping force adjusting device, the damping force adjusting device is used for adjusting the damping force by adjusting the size of a damping cavity of the damper assembly, and the damping force adjusting device is provided with a damping force adjusting end which is exposed out of the damper. The adjustable damper has the advantages that by adopting the structure through which the damping force can be adjusted at the exterior, the critical property parameter, namely the damping force, can be adjusted according to the requirements of use environments, such as different road conditions in the use process, so the dynamic application effect is realized, the comfortability and reliability of whole vehicle are effectively improved, the suitability of the whole vehicle to different road conditions is improved, and the driving habits of different drivers are met.
Description
Technical field
The present invention relates to a kind of automotive component, particularly a kind of adjustable shock absorber.
Background technique
Vibration damper is the necessary parts of motor vehicle, handling, the travelling comfort of structure influence car load, performance whether reliable and stable, is directly connected to the safe and reliable of car load, travelling comfort and handling.Existing vibration damper generally adopts fixing structure and fixing performance parameter, comprise absorber spring to preload, recovery damping force, before compression damping power etc., the critical performance parameters of damping performance is fixed value, narrow in the accommodation of different road conditions to car load, can not meet the different user demands of different road conditions, adaptability is poor.Particularly for roadsters such as motorcycles, Applicable scope is comparatively extensive, only adopt standardized shock absorber structure, can cause using the motorcycle of the vibration damper of unified standard can not be adapted to different Environmental Conditions, cause travelling comfort and reliability not to coordinate well.
Therefore, design a kind of vibration damper, according to Environmental Conditions needs such as different road conditions during use, this critical performance parameters of adjustable damping force, there is the effect of dynamic application, the travelling comfort of car load and reliability are effectively improved, promotes car load for the adaptability of different road conditions, meet the driving habits of different driver.
Summary of the invention
In view of this, the invention provides a kind of adjustable shock absorber, according to Environmental Conditions needs such as different road conditions during use, this critical performance parameters of adjustable damping force, there is the effect of dynamic application, the travelling comfort of car load and reliability are effectively improved, promotes car load for the adaptability of different road conditions, meet the driving habits of different driver.
Adjustable shock absorber of the present invention, comprise damping spring and damper assembly, described damper assembly comprises damping cylinder and piston assembly, described damper assembly is provided with the damping force controlling device of the size adjustment damping force of the damping cavity by adjusting damper assembly, and described damping force controlling device is provided with the damping force adjustable side being exposed to vibration damper outside; Damping force controlling device can adopt and regulate pipeline to export or direct valve regulated, need expose to vibration damper, regulate, and can set adjustment scale to facilitate according to different running condition, to have the reference role of adjustment for the end regulated.
Further, described damping force controlling device comprises adjusting screw and regulates chamber, described adjustment chamber regulates channel connection in damping cavity by one, described adjusting screw drives a taper valve core adjustment to regulate the circulation area of passage, utilize adjusting screw to drive taper valve core to open, close or adjustable partially open adjustment passage, change in the process of adjustment and regulate the size in chamber and the size of circulation area, not only regulate sensitivity higher, also there is linear character, ensure the usability of vibration damper; As shown in the figure, taper valve core and adjusting screw integrally formed, regulate between the front end that is formed at the annular protrusion in adjusting screw, chamber and shock-absorber cylinder, taper valve core is positioned at adjusting screw front end and is positioned at the adjustment passage that shock-absorber cylinder is formed.
Further, described damping cylinder is crossed oil draining bolt by one and is connected to shock-absorber cylinder, described adjusting screw be installed on shock-absorber cylinder and regulate chamber be formed on adjusting screw and shock-absorber cylinder for the mounting hole of adjusting screw is installed hole at the bottom of between, the oil duct that described adjustment passage passed through oil draining bolt is communicated with damping cavity; Cross oil draining bolt to be and to have oily circulation passage, as shown in the figure, cross oil draining bolt and coaxially have oil-through hole, cylindrical is provided with the circular groove be communicated with oil-through hole; Cross oil draining bolt screw-thread fit to be connected to and to be fixed at the bottom of this at the bottom of the cylinder of damping cylinder and by the end cylinder of vibration damper, be provided with at the bottom of the cylinder of damping cylinder run through and with cross the tapped hole that coordinates of oil draining bolt, the described oil-through hole crossing oil draining bolt is communicated in damping cylinder, described circular groove is communicated in adjustment passage, forms the circulation passage of complete resisting medium; This structure is simple and easy to adjust, adds that oil-through hole and circular groove make whole adjustment passage longer and have good throttle effect, damper is regulated and comparatively delays and wide scope, be applicable to wider driving environment.
Further, the thread-shaped of described adjusting screw is formed in the annular protrusion of adjusting screw cylindrical, on shock-absorber cylinder, screw-thread fit is provided with for the bounding means outwards spacing to annular protrusion, as shown in the figure, this bounding means is coated at adjusting screw and screw-thread fit is arranged in tapped hole that shock-absorber cylinder is arranged, also screw-thread fit is inner is positioned at this tapped hole for the annular protrusion of adjusting screw, formed between at the bottom of the hole of the tapped hole on this annular protrusion front end and shock-absorber cylinder and regulate chamber, regulate passage to be positioned at the bottom of hole; Can ensure that regulation range has restriction by the setting of bounding means, and regulation range can be made to have secondary adjustability, easy to use.
Further, described piston assembly comprises piston and piston rod, and damping spring can be coated at piston rod, also can be coated at piston rod and damping cylinder, not repeat them here; Be positioned at overcoat in the middle part of piston rod and have guide sleeve, guide sleeve is axial limiting on the piston rod; Guide sleeve generally adopts the material softer than spring, such as plastics or rubber etc., avoids spring works process to rub with piston rod by bending producing the wearing and tearing that abnormal sound affects performance or causes piston rod and spring, makes whole working procedure more smooth and easy; The structure etc. that axial limiting mode can adopt existing two ends catch spacing, does not repeat them here.
Further, on piston rod, at least axis is outwards spacing arranges hydraulic cushion part, and the setting position of hydraulic cushion part makes the piston of piston assembly prevent at the bottom of rigid touch at end of travel, hydraulic cushion part axial limiting on the piston rod; Working stroke end refers to the final stroke of piston at damping cylinder least significant end and spring-compressed, at working stroke tip designs hydraulic damping buffer structure, the gradual increase of compression damping power can be made, there will not be the undesirable conditions such as the stiff tactile end when ensureing forward stroke limit situation, ensure that travelling comfort, working procedure more safety and stability is reliable.
Further, the inner core of vibration damper is fixedly connected on shock-absorber cylinder and is placed on urceolus in axial slidably cooperation, urceolus or spring seat to extenal fixation at least axial with urceolus are withstood in described damping spring upper end, the piston rod of described piston assembly is matched with the urceolus of vibration damper in the mode that axial position is adjustable, and piston rod exterior edge face exposes to vibration damper for the axial position of regulating piston bar relative to urceolus; As shown in the figure, piston rod exterior edge face is provided with the straight trough rotated for driver, can be realized the object of damping adjusting power size by screwdriver Direct driver.
Further, described damping spring is provided with the adjusting nut for regulating its pretightening force, and the thread bush of adjusting nut screw-thread fit axial restraint on piston rod or piston rod also withstands urceolus or the extremity piece fixing with urceolus downwards; Can absorber spring be regulated according to demand at any time to preload by adjusting nut, and can set scale, adjustment has standardization.
Further, described shock-absorber cylinder is forging and the integrally formed disc brake mounting bracket being provided with hollow out, detachablely be connected with splash apron bracket, outer employing hollow type disc brake mounting bracket, intensity can ensure, appearance and modeling is novel, and materials'use reduces, unsprung weight alleviates, at outward appearance commodity, performance structure reliability, cost with handlingly have good effect to car load is comfortable; Cylinder place, end gear mud mounting bracket adopts bolt and end cylinder Placement, and can change adjustment at any time according to the moulding of gear mud, product exchange versatility is higher.
Further, described shock-absorber cylinder is forging, adopts and be threaded between this shock-absorber cylinder with inner core; General anaerobic adhesive of smearing at screw thread place prevents rotation from loosening, and designs simultaneously and only locks screw, prevent inner core from screwing further loosening, ensure this reliability assembled.
Beneficial effect of the present invention: adjustable shock absorber of the present invention, adopt the structure that can adjust damping force in outside, according to Environmental Conditions needs such as different road conditions during use, this critical performance parameters of adjustable damping force, there is the effect of dynamic application, the travelling comfort of car load and reliability are effectively improved, promotes car load for the adaptability of different road conditions, meet the driving habits of different driver.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is that Fig. 1 is along A direction view;
Fig. 3 is Figure 1B place enlarged view;
Fig. 4 is Fig. 1 C place enlarged view.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is that Fig. 1 is along A direction view, Fig. 3 is Figure 1B place enlarged view, Fig. 4 is Fig. 1 C place enlarged view, as shown in the figure: the adjustable shock absorber of the present embodiment, comprise damping spring 15 and damper assembly, described damper assembly comprises damping cylinder 14 and piston assembly, described damper assembly is provided with the damping force controlling device of the size adjustment damping force of the damping cavity by adjusting damper assembly, and described damping force controlling device is provided with the damping force adjustable side being exposed to vibration damper outside; Damping force controlling device can adopt and regulate pipeline to export or direct valve regulated, need expose to vibration damper, regulate, and can set adjustment scale to facilitate according to different running condition, to have the reference role of adjustment for the end regulated; Vibration damper comprises inner core 13, urceolus 1 and shock-absorber cylinder 11, belongs to existing structure, does not repeat them here.
In the present embodiment, described damping force controlling device comprises adjusting screw 17 and regulates chamber 20, described adjustment chamber 20 regulates passage 22 to be communicated in damping cavity 20 by one, described adjusting screw 17 drives a taper valve core 19 adjustment to regulate the circulation area of passage 22, utilize adjusting screw 17 to drive taper valve core 19 to open, to close or adjustable partially opening regulates passage 22, change in the process of adjustment and regulate the size in chamber and the size of circulation area, not only regulate sensitivity higher, also there is linear character, ensure the usability of vibration damper; As shown in the figure, taper valve core 19 is integrally formed with adjusting screw 17, regulate chamber 20 be formed on the front end of the annular protrusion 17a in adjusting screw 17 and shock-absorber cylinder for adjusting screw 17 is installed hole at the bottom of between, taper valve core 19 is positioned at adjusting screw 17 front end and is positioned at the adjustment passage that shock-absorber cylinder 11 is formed.
In the present embodiment, described damping cylinder 14 is crossed oil draining bolt 16 by one and is connected to shock-absorber cylinder 11, described adjusting screw 17 be installed on shock-absorber cylinder and regulate chamber 20 be formed on adjusting screw 17 and shock-absorber cylinder 11 for the mounting hole of adjusting screw 17 is installed hole at the bottom of between, the oil duct that described adjustment passage 22 passed through oil draining bolt 16 is communicated with damping cavity 20; Cross oil draining bolt 16 and be the bolt with oily circulation passage, as shown in the figure, cross oil draining bolt 16 and coaxially have oil-through hole 16a, cylindrical is provided with the circular groove 16b be communicated with oil-through hole; Cross oil draining bolt screw-thread fit to be connected at the bottom of the cylinder of damping cylinder 14 and shock-absorber cylinder 11 is fixed at the bottom of this, be provided with at the bottom of the cylinder of damping cylinder 14 run through and with cross the tapped hole that coordinates of oil draining bolt 16, the described oil-through hole 16a crossing oil draining bolt 16 is communicated in damping cylinder, described circular groove 16b is communicated in and regulates passage 22, forms the circulation passage of complete resisting medium; This structure is simple and easy to adjust, adds that oil-through hole and circular groove make whole adjustment passage longer and have good throttle effect, damper is regulated and comparatively delays and wide scope, be applicable to wider driving environment.
In the present embodiment, the thread-shaped of described adjusting screw 16 is formed in the annular protrusion 17a of adjusting screw cylindrical, on shock-absorber cylinder 11, screw-thread fit is provided with for the bounding means 18 outwards spacing to annular protrusion 17a, as shown in the figure, this bounding means 18 is coated at adjusting screw 17 and screw-thread fit is arranged in the tapped hole of setting on shock-absorber cylinder 11, also screw-thread fit is inner is positioned at this tapped hole for the annular protrusion 17a of adjusting screw 17, formed between at the bottom of the hole of the tapped hole on this annular protrusion 17a front end and shock-absorber cylinder 11 and regulate chamber, regulate passage 22 to be positioned at the bottom of hole; Can ensure that regulation range has restriction by the setting of bounding means 18, and regulation range can be made to have secondary adjustability, easy to use.
In the present embodiment, described piston assembly comprises piston and piston rod 5, and damping spring 15 can be coated at piston rod 5, also can be coated at piston rod 5 and damping cylinder, not repeat them here; Be positioned at overcoat in the middle part of piston rod 5 and have guide sleeve 4, namely be placed on the exposed parts of piston rod 5, during actual use, the length of guide sleeve should not be shorter than 1/3rd of piston rod, be easy to form the general protection to piston rod, spring, avoid contact and there is enough buffer lengths; Guide sleeve 4 is axial limiting on piston rod 5; Guide sleeve 4 generally adopts the material softer than spring, such as plastics or rubber etc., cost is lower and easily make, and has good convertibility, simultaneously, plastics or nylon have certain hardness and toughness, for collision, there is certain self-lubricating function, alleviate friction damage, preferably adopt plastics, such as can adopt Nylon, teflon etc., there is the high and feature that self lubricity is good of intensity; Guide sleeve is longitudinally the little structure in two broad in the middle, is adapted to the distortion of spring, smooth contact occurs during use, reduces further to impact; And guiding is placed on circumferencial direction and is set up in parallel cannelure, this cannelure makes the cross section of guide sleeve be the tooth-shape structure of spline type structure or smooth excessiveness, guide sleeve is made to save finished material, reduce rubbing contact area, guide sleeve cylindrical is made to reduce hardness and impact force, first soft rear order just during impact, to the distortion collision of spring, there is effective buffering, simultaneously, there is good guide effect, be beneficial to and protect guide sleeve not occur to wear and tear faster, clash into lose efficacy and effectively led and avoid the bending rear hydraulic performance decline of damping spring, be beneficial to and keep good damping precision; Be beneficial to protection guide sleeve do not occur to wear and tear faster and; The wearing and tearing that this structure avoids damping spring 15 working procedure to rub with piston rod 5 by bending producing abnormal sound to affect performance or cause piston rod 5 and damping spring 15, make whole working procedure more smooth and easy; The structure etc. that axial limiting mode can adopt existing two ends catch spacing, does not repeat them here.
In the present embodiment, on piston rod 5, at least axis is outwards spacing arranges hydraulic cushion part 3, the setting position of hydraulic cushion part 3 makes the piston of piston assembly prevent at the bottom of rigid touch at end of travel, axially outwards refer to outside relative to damping cylinder, being generally used for vibration damper refers to upwards, namely can realize goal of the invention to upper limit, can certainly be fixedly installed; The setting position of hydraulic cushion part 3 enables the piston of piston assembly prevent from referring at the bottom of rigid touch at end of travel: hydraulic cushion part 3 position on the piston rod makes hydraulic cushion part 3 contact damping cylinder end cap before piston touches the end, prevents piston from continuing at a high speed downwards; Working stroke end refers to the final stroke of piston at damping cylinder least significant end and spring-compressed, at working stroke tip designs hydraulic damping buffer structure, the gradual increase of compression damping power can be made, there will not be the undesirable conditions such as the stiff tactile end when ensureing forward stroke limit situation, ensure that travelling comfort, working procedure more safety and stability is reliable; As shown in the figure, hydraulic cushion part 3 cushion collar structure, this cushion collar structure is to the diminishing taper of end face near the end of damping cylinder; When carrying out slowly before piston touches the end, the little end surface first contact damping cylinder end cap of taper, is formed by the contact of the little reaction force increased gradually, ensures cushioning effect, and raising vibration damper touches the travelling comfort at the end; As shown in the figure, hydraulic cushion part is arranged at piston rod by inner sleeve 2, and two ends realize axial limiting; As shown in the figure, inner sleeve 2 is T-shaped cover, the catch of the major part that hydraulic cushion part 3 is overlapped by this T-shaped and T-shaped cover cylindrical realizes axial limiting, T-shaped overlaps one end and guide sleeve 4 shares spacing catch, the other end is spacing by independent spacing catch, do not repeat them here, this structure makes buffering course be divided into two-stage, increases cushioning effect.
In the present embodiment, the inner core 13 of vibration damper is fixedly connected on shock-absorber cylinder 11 and is placed on urceolus 1 in axial slidably cooperation, and urceolus 1 or spring seat 6 to extenal fixation at least axial with urceolus 1 are withstood in described damping spring 15 upper end, and the present embodiment is spring seat 6; The piston rod 5 of described piston assembly is matched with the urceolus 1 of vibration damper in the mode that axial position is adjustable, and piston rod 5 exterior edge face exposes to vibration damper for the axial position of regulating piston bar relative to urceolus; As shown in the figure, piston rod exterior edge face is provided with the straight trough rotated for driver, can be realized the object of damping adjusting power size by screwdriver Direct driver.
In the present embodiment, described damping spring 15 is provided with the adjusting nut 9 for regulating its pretightening force, and the thread bush 8 of adjusting nut 9 screw-thread fit axial restraint on piston rod or piston rod also withstands urceolus 1 or the extremity piece (cover 16) fixing with urceolus 1 downwards; As shown in the figure, piston rod 5 is fixed with thread bush 8, and described adjusting nut 9 screw-thread fit is arranged at thread bush 8 and withstands the extremity piece (cover 16) fixing with urceolus, adjusts at any time; Can absorber spring be regulated according to demand at any time to preload by adjusting nut 9, and can set scale, adjustment has standardization.
In the present embodiment, described shock-absorber cylinder 11 is forging and the integrally formed disc brake being provided with hollow out installs 12 frame, and be detachablely connected with splash apron bracket 10, outer employing hollow type disc brake mounting bracket, intensity can ensure, appearance and modeling is novel, and materials'use reduces, unsprung weight alleviates, at outward appearance commodity, performance structure reliability, cost with handlingly have good effect to car load is comfortable; Cylinder place, end gear mud mounting bracket adopts bolt and end cylinder Placement, and can change adjustment at any time according to the moulding of gear mud, product exchange versatility is higher; Entirety is applicable to the front shock absorber of motorcycle.
In the present embodiment, described shock-absorber cylinder is forging, adopts and be threaded between this shock-absorber cylinder 11 with inner core 13; General anaerobic adhesive of smearing at screw thread place prevents rotation from loosening, and design is simultaneously lock screw 21 only, prevents inner core from screwing further loosening, ensures this reliability assembled.
In the present invention, adopt rational sealing configuration as required in the connection of various parts, such as o type circle or sealing gasket etc., do not repeat them here; In the present invention, outward appearance aspect, the uniform spiral lines of urceolus, surface adopts anodizing, and appearance luster is vivid, and texture is strong, and Corrosion Protection is reliable and stable; Meanwhile, load segment requirement retrofit is pulled to steering column up and down, control surface roughness, convenient for assembly and to ensure that itself and steering column are won in succession and assembled reliable and stable, thus effectively ensure the parallel of left and right vibration damper, avoid the phenomenon of vibration damper work eccentric wear clamping stagnation.
The present invention independently uses the front shock absorber being applicable to three-wheel, two-wheeled motor vehicle.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. an adjustable shock absorber, comprise damping spring and damper assembly, described damper assembly comprises damping cylinder and piston assembly, it is characterized in that: described damper assembly is provided with the damping force controlling device of the size adjustment damping force of the damping cavity by adjusting damper assembly, and described damping force controlling device is provided with the damping force adjustable side being exposed to vibration damper outside.
2. adjustable shock absorber according to claim 1, it is characterized in that: described damping force controlling device comprises adjusting screw and regulates chamber, described adjustment chamber regulates channel connection in damping cavity by one, and described adjusting screw drives a taper valve core adjustment to regulate the circulation area of passage.
3. adjustable shock absorber according to claim 2, it is characterized in that: described damping cylinder is crossed oil draining bolt by one and is connected to shock-absorber cylinder, described adjusting screw be installed on shock-absorber cylinder and regulate chamber be formed on adjusting screw and shock-absorber cylinder for the mounting hole of adjusting screw is installed hole at the bottom of between, the oil duct that described adjustment passage passed through oil draining bolt is communicated with damping cavity.
4. adjustable shock absorber according to claim 3, is characterized in that: the thread-shaped of described adjusting screw is formed in the annular protrusion of adjusting screw cylindrical, and on shock-absorber cylinder, screw-thread fit is provided with for the bounding means outwards spacing to annular protrusion.
5. adjustable shock absorber according to claim 1, is characterized in that: described piston assembly comprises piston and piston rod, and being positioned at overcoat in the middle part of piston rod has guide sleeve, and guide sleeve is axial limiting on the piston rod.
6. adjustable shock absorber according to claim 1, it is characterized in that: on piston rod, at least axis is outwards spacing arranges hydraulic cushion part, the setting position of hydraulic cushion part makes the piston of piston assembly prevent at the bottom of rigid touch at end of travel, hydraulic cushion part axial limiting on the piston rod.
7. adjustable shock absorber according to claim 1, it is characterized in that: the inner core of vibration damper is fixedly connected on shock-absorber cylinder and is placed on urceolus in axial slidably cooperation, urceolus or spring seat to extenal fixation at least axial with urceolus are withstood in described damping spring upper end, the piston rod of described piston assembly is matched with the urceolus of vibration damper in the mode that axial position is adjustable, and piston rod exterior edge face exposes to vibration damper for the axial position of regulating piston bar relative to urceolus.
8. adjustable shock absorber according to claim 7, it is characterized in that: described damping spring is provided with the adjusting nut for regulating its pretightening force, the thread bush of adjusting nut screw-thread fit axial restraint on piston rod or piston rod also withstands urceolus or the extremity piece fixing with urceolus downwards.
9. the adjustable shock absorber according to the arbitrary claim of claim 3 to 8, is characterized in that: described shock-absorber cylinder is forging and the integrally formed disc brake mounting bracket being provided with hollow out, is detachablely connected with splash apron bracket.
10. the adjustable shock absorber according to the arbitrary claim of claim 1 to 8, is characterized in that: described shock-absorber cylinder is forging, adopts and be threaded between this shock-absorber cylinder with inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410677016.6A CN104405818B (en) | 2014-11-21 | 2014-11-21 | Adjustable shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410677016.6A CN104405818B (en) | 2014-11-21 | 2014-11-21 | Adjustable shock absorber |
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| Publication Number | Publication Date |
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| CN104405818A true CN104405818A (en) | 2015-03-11 |
| CN104405818B CN104405818B (en) | 2017-12-05 |
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| CN201410677016.6A Active CN104405818B (en) | 2014-11-21 | 2014-11-21 | Adjustable shock absorber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479227A (en) * | 2021-07-12 | 2021-10-08 | 上海工程技术大学 | Multi-azimuth buffer for railway vehicle bogie |
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| CN104405818B (en) | 2017-12-05 |
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