CN202132440U - Vibration damper with adjustable damping force - Google Patents

Vibration damper with adjustable damping force Download PDF

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Publication number
CN202132440U
CN202132440U CN201120207682U CN201120207682U CN202132440U CN 202132440 U CN202132440 U CN 202132440U CN 201120207682 U CN201120207682 U CN 201120207682U CN 201120207682 U CN201120207682 U CN 201120207682U CN 202132440 U CN202132440 U CN 202132440U
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CN
China
Prior art keywords
vibration damper
damping
valve
damping force
rod
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Expired - Fee Related
Application number
CN201120207682U
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Chinese (zh)
Inventor
潘鑫强
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WUXI HONGXIANG AUTO SHOCK ABSORBER INDUSTRIAL Co Ltd
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WUXI HONGXIANG AUTO SHOCK ABSORBER INDUSTRIAL Co Ltd
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Application filed by WUXI HONGXIANG AUTO SHOCK ABSORBER INDUSTRIAL Co Ltd filed Critical WUXI HONGXIANG AUTO SHOCK ABSORBER INDUSTRIAL Co Ltd
Priority to CN201120207682U priority Critical patent/CN202132440U/en
Application granted granted Critical
Publication of CN202132440U publication Critical patent/CN202132440U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a vibration damper with adjustable damping force. The vibration damper with the adjustable damping force comprises an upper hoisting ring, a vibration damper spring, a working cylinder, a liquid storage barrel and a vibration damper piston assembly with the adjustable damping force, wherein one end of the vibration damper piston assembly is connected with the upper hoisting ring, the other end of the vibration damper piston assembly is connected with the working cylinder, the vibration damper piston assembly comprises a hollow piston rod and a piston valve assembly extending in the working cylinder, the upper end of the hollow piston rod is connected with the upper hoisting ring, the lower end of the hollow piston rod is connected with the piston valve assembly, a radial hole which is communicated with a central hole of the hollow piston rod and runs through an upper cavity and a lower cavity of the working cylinder is arranged at the lower part of the hollow piston rod, a mobile valve rod is arranged in the central hole, and the upper hoisting ring is internally provided with a damping adjustment rotary valve for pushing the mobile valve rod to adjust an opening of the radial hole. According to the adopted technical scheme, the mobile valve rod is used as a control execution device, a damping adjustment knob is rotated so as to adjust the working damping of the vibration damper, the damping is easily and conveniently adjusted, the structure is simple, no complicated sensors or electronic elements are needed, and the additional cost is low, so that the vibration damper with the adjustable damping force is convenient to application and popularization in engineering.

Description

The vibration damper that a kind of damping force is adjustable
Technical field
The utility model belongs to the technical field that auto parts and components are made, and specifically, the utility model relates to a kind of mainly as the adjustable vibration damper of the damping force of vibration damping equipment in the vehicle suspension system.
Background technique
Vibration damper is an important spare part on the automobile, and the quality of its performance directly has influence on travelling comfort, control stability and the Security of automobile.Current; What passive suspension adopted usually is common bitubular dydraulic shock absorber; Because its damping is non-adjustable,, do not reach desirable effectiveness in vibration suppression and control stability so can not regulate the damping characteristic of suspension system according to road conditions, running conditions of vehicle or carrying capacity.
For this reason, various electric suspension systems arise at the historic moment, and electronic controlled suspension not only can be isolated road vibration well, and can control body movement, and the can regulate vehicle body height.Though can obtain more satisfactory vibration isolating effect through electronic controlled suspension; But the control gear of electronic controlled suspension is located at the outside of vibration damper; Make complex design, energy consumption is big, manufacture cost is high, complex structure, also is difficult at present obtain large-scale promotion and application commercial.
The model utility content
The utility model problem to be solved provides a kind of simple in structure, with low cost and regulate the adjustable vibration damper of damping force that effective automobile suspension system is used; So that vehicle better, more adapts to the excitation on different road surfaces, improve travelling comfort, the handling and Security of vehicle.
In order to solve the problems of the technologies described above; The technological scheme that the utility model adopted is: the vibration damper that a kind of damping force is adjustable; Comprise upper rings, damper spring, clutch release slave cylinder and stock solution tube; It is characterized in that: also comprise what an end was connected with said upper rings; The damper piston assembly that the other end is adjustable with the damping force that said clutch release slave cylinder is connected, this damper piston assembly comprise a box type piston bar and the piston valve assembly that stretches in the said clutch release slave cylinder, and the upper end of said box type piston bar is connected with said upper rings; The lower end is connected with said piston valve assembly; Be provided with the radial hole that is communicated with clutch release slave cylinder epicoele and cavity of resorption that connects with its center hole in the bottom of said box type piston bar, in said center hole, be provided with one and move valve rod, in said upper rings, be provided with promote said mobile valve rod with the opening of regulating said radial hole damping adjusting rotary valve.
Said damping is regulated rotary valve and is acted on mutually with said mobile valve rod through a push rod that is located in the said center hole; The end that said damping adjusting rotary valve is connected with said push rod is the cam type structure; On the external peripheral surface of said damping adjusting rotary valve, evenly be provided with a plurality of gear fixed grooves, in this gear fixed groove, be provided with steel ball I.
The end near said radial hole of said mobile valve rod is a cone structure.
Between said push rod and mobile valve rod both ends of the surface, be the sphere contact.
Between said push rod and mobile valve rod both ends of the surface, be provided with a steel ball II.
Said damping is regulated between rotary valve and the said push rod and is contacted for putting a face, and said push rod and mobile valve rod and said box type piston bar are one group of mating plate.
Said piston valve assembly is fixedly connected through hollow screw with said box type piston bar, and this hollow screw is coaxial with said box type piston bar.
Said damping is regulated rotary valve and is located in the valve opening of said upper rings, and damping is regulated rotary valve one end and stretched out outside the said valve opening, and is provided with the damping adjusting knob that is fixedly connected through attachment screw with damping adjusting rotary valve at this end.
The utility model adopts technique scheme; Through adopting the adjustable damper piston assembly of damping force to reach the adjustable purpose of absorber damping force, move valve rod as the control actuating device, the rotary damping adjusting knob is regulated the work damping of vibration damper; Damping is regulated easy; Simple in structure, can increase the versatility of vibration damper with the dissimilar automobile of vibration damper coupling of specification of the same race; Can regulate resistance of shock absorber or street rod when dispatching from the factory according to the personalized requirement of different user, to adapt to the different consumer groups' requirement; Can regulate damping according to road surface situation, vehicle-mounted heavy and speed of operation,, improve vehicle ride comfort so that the effectiveness in vibration suppression of vehicle reaches best; The utility model does not need complex sensing device or electronic component; Simple in structure; There is not complicated electric controller, low, the reliable operation of fringe cost, manufacturing, maintenance difficulty all are not more than traditional passive suspension shock-absorber; Can also on the nonadjustable common vibration damper of existing damping basis, convert, be convenient to practical applications and promote.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation that rotary valve is regulated in the damping of the utility model;
Fig. 3 is that A-A among Fig. 2 is to structural representation;
Mark among the above-mentioned figure is: 1, upper rings; 2, upper spring seat; 3, cushion rubber bumper; 4, box type piston bar; 5, steel ball II; 6, piston valve assembly; 7, clutch release slave cylinder; 8, base; 9, locking nut; 10, lower spring cup; 11, damper spring; 12, move valve rod; 13, push rod; 14, damping adjusting knob; 15, rotary valve is regulated in damping; 16, gear fixed groove; 17, cam type structure.
Embodiment
As shown in Figure 1; The vibration damper that a kind of damping force of the utility model is adjustable; Comprise upper rings 1, base 8, damper spring 11, be full of the adjustable damper piston assembly of clutch release slave cylinder 7, stock solution tube and damping force of vibration damping fluid; This damper piston assembly one end is connected with upper rings 1, and the other end is connected with clutch release slave cylinder 7.Annexation between the remaining part is identical with the vibration damper of existing technology, and upper rings 1 is connected with automobile frame, and clutch release slave cylinder 7 is loaded in the stock solution tube, and compresses through seal ring and guide holder with nut, and the base 8 that is connected with automotive axle is located at the lower end of stock solution tube.Damper spring 11 is enclosed within on the stock solution tube, is respectively equipped with upper spring seat 2 and lower spring cup 10 at the two ends of vibration damper, and through locking nut 9 lockings.
The damper piston assembly that the utility model damping force is adjustable comprises the piston valve assembly 6 and box type piston bar 4 that stretches in the clutch release slave cylinder 7; The upper end of box type piston bar 4 is connected with the upper rings of vibration damper 1; And between them, be provided with cushion rubber bumper 3; The seal arrangement that clutch release slave cylinder 7 is passed in the lower end of box type piston bar 4 stretches in the clutch release slave cylinder 7 and is connected with piston valve assembly 6, and piston valve assembly 6 and box type piston bar 4 are fixedly connected through hollow screw, and this hollow screw is coaxial with box type piston bar 4.Be provided with the radial hole that is communicated with clutch release slave cylinder 7 epicoeles and cavity of resorption that connects with its center hole in the bottom of box type piston bar 4; In center hole, be provided with one and move valve rod 12; The end near radial hole of moving valve rod 12 is a cone structure; In upper rings 1, be provided with promote to move valve rod 12 with the opening of regulating radial hole damping regulate rotary valve 15, damping is regulated rotary valve 15 and is acted on mutually with mobile valve rod 12 through a push rod 13 that is located in the center hole.Push rod 13 is one group of mating plate with mobile valve rod 12 with box type piston bar 4, seal tightly, has guaranteed the accurate control of flow, has improved the degree of accuracy of resistance of shock absorber adjusting.
On vibration damper upper rings 1, be provided with the valve opening that rotary valve 15 is regulated in damping is installed, damping is regulated rotary valve 15 1 ends and is stretched out outside the valve opening, and is provided with the damping adjusting knob 14 that is fixedly connected through attachment screw with damping adjusting rotary valve 15 at this end; Like Fig. 2, shown in Figure 3; The external peripheral surface of regulating rotary valve 15 in damping is along evenly being provided with a plurality of gear fixed grooves 16 on its circumferencial direction, the number of groove is set as required, and a groove is represented a regulation stall; In this gear fixed groove 16, be provided with steel ball I; And withstand through the pressure spring in the upper rings 1, the spring lower end is provided with screw, and screw is fixed in the screw hole on the upper rings 1.The end that rotary valve 15 is regulated in damping is cam type structure 17, and damping is regulated rotary valve 15 and is connected with push rod 13 at this end, and the upper end of push rod 13 is tapered, and regulating between rotary valve and the push rod 13 is a face contacts.
Be the sphere contact between the both ends of the surface of push rod 13 and mobile valve rod 12.As shown in Figure 1; Between push rod 13 and mobile valve rod 12, be provided with a steel ball II5, when vibration damper is worked, be the contact of some face between the end face of steel ball II5 and push rod 13, mobile valve rod 12; The effect of steel ball II5 is to make push rod 13 and mobile valve rod 12 in moving process, have good adaptive property; Make and move valve rod 12 and have well, make itself and piston valve assembly 6 no-floats, guarantee the accuracy of damping force adjusting disposition.In addition, also can one of them be made as sphere with push rod 13 and mobile valve rod 12 contacted both ends of the surface.
When the utility model is worked, drive damping through rotary damping adjusting knob 14 and regulate rotary valve 15 rotations, and then in box type piston bar 4, move axially by cam type structure 17 push levers and the mobile valve rod 12 of damping adjusting rotary valve 15 front ends; The cone structure that moves valve rod 12 lower ends cooperates with the radial hole and the hollow screw of box type piston bar 4 lower ends, forms the passage of fluid, is communicated with the epicoele and the cavity of resorption of vibration damper clutch release slave cylinder 7; Through moving the opening of valve rod 12 control radial holes,, and then reach the purpose of regulating resistance of shock absorber with the size of the fluid flow between adjusting vibration damper clutch release slave cylinder 7 cavity of resorptions and the epicoele; Damping is regulated easy, simple in structure, can be with the dissimilar automobile of vibration damper coupling of specification of the same race; Increased the versatility of vibration damper, can regulate resistance of shock absorber or street rod when dispatching from the factory according to the personalized requirement of different user; To adapt to the different consumer groups' requirement; Can regulate damping according to road surface situation, vehicle-mounted heavy and speed of operation,, improve vehicle ride comfort so that the effectiveness in vibration suppression of vehicle reaches best; And do not need complex sensing device or electronic component; There is not complicated electric controller, low, the reliable operation of fringe cost, manufacturing, maintenance difficulty all are not more than traditional passive suspension shock-absorber; Can also on the nonadjustable common vibration damper of existing damping basis, convert, be convenient to practical applications and promote.
Combine accompanying drawing that the utility model has been carried out exemplary description above; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as adopted the method design of the utility model and the improvement of the various unsubstantialities that technological scheme is carried out; Or the design of the utility model and technological scheme are directly applied to other occasion without improving, all within the protection domain of the utility model.

Claims (8)

1. vibration damper that damping force is adjustable; Comprise upper rings (1), damper spring (11), clutch release slave cylinder (7) and stock solution tube; It is characterized in that: also comprise what an end was connected with said upper rings (1); The damper piston assembly that the other end is adjustable with the damping force that said clutch release slave cylinder (7) is connected; This damper piston assembly comprises a box type piston bar (4) and stretches into the piston valve assembly (6) in the said clutch release slave cylinder (7); The upper end of said box type piston bar (4) is connected with said upper rings (1), and the lower end is connected with said piston valve assembly (6), is provided with the radial hole that is communicated with clutch release slave cylinder (7) epicoele and cavity of resorption that connects with its center hole in the bottom of said box type piston bar (4); In said center hole, be provided with one and move valve rod (12), in said upper rings (1), be provided with promote said mobile valve rod (12) with the opening of regulating said radial hole damping regulate rotary valve (15).
2. the adjustable vibration damper of damping force according to claim 1; It is characterized in that: said damping is regulated rotary valve (15) and is acted on mutually with said mobile valve rod (12) through a push rod (13) that is located in the said center hole; The end that said damping adjusting rotary valve (15) is connected with said push rod (13) is cam type structure (17); On the external peripheral surface of said damping adjusting rotary valve (15), evenly be provided with a plurality of gear fixed grooves (16), in this gear fixed groove (16), be provided with steel ball I.
3. the adjustable vibration damper of damping force according to claim 2 is characterized in that: the end near said radial hole of said mobile valve rod (12) is a cone structure.
4. according to claim 2 or the adjustable vibration damper of 3 described damping forces, it is characterized in that: between said push rod (13) and mobile valve rod (12) both ends of the surface, be the sphere contact.
5. the adjustable vibration damper of damping force according to claim 4 is characterized in that: be provided with a steel ball II (5) between said push rod (13) and said mobile valve rod (12) both ends of the surface.
6. the adjustable vibration damper of damping force according to claim 5; It is characterized in that: said damping is regulated between rotary valve (15) and the said push rod (13) to a some face contacts, and said push rod (13) and mobile valve rod (12) and said box type piston bar (4) are one group of mating plate.
7. the adjustable vibration damper of damping force according to claim 6 is characterized in that: said piston valve assembly (6) is fixedly connected through hollow screw with said box type piston bar (4), and this hollow screw is coaxial with said box type piston bar (4).
8. the adjustable vibration damper of damping force according to claim 7; It is characterized in that: said damping is regulated rotary valve (15) and is located in the valve opening of said upper rings (1); Damping is regulated rotary valve (15) one ends and is stretched out outside the said valve opening, and is provided with the damping adjusting knob (14) that is fixedly connected through attachment screw with damping adjusting rotary valve (15) at this end.
CN201120207682U 2011-06-20 2011-06-20 Vibration damper with adjustable damping force Expired - Fee Related CN202132440U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120207682U CN202132440U (en) 2011-06-20 2011-06-20 Vibration damper with adjustable damping force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120207682U CN202132440U (en) 2011-06-20 2011-06-20 Vibration damper with adjustable damping force

Publications (1)

Publication Number Publication Date
CN202132440U true CN202132440U (en) 2012-02-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102278406A (en) * 2011-06-20 2011-12-14 芜湖弘祥汽车减振器工业有限公司 Absorber for adjusting damping force
CN107763130A (en) * 2016-08-18 2018-03-06 大连精维液压技术有限公司 Unitary adjustable section postpones nitrogen spring
CN109340498A (en) * 2018-12-11 2019-02-15 河海大学常州校区 A high-energy pipeline anti-shock part
CN109488757A (en) * 2017-09-13 2019-03-19 上海汽车集团股份有限公司 Gear shifting of manual gearbox connector, gear shifting of manual gearbox system and automobile
CN111288108A (en) * 2020-02-20 2020-06-16 唐山保靓汽车配件有限公司 Damping adjustment device for shock absorber

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102278406A (en) * 2011-06-20 2011-12-14 芜湖弘祥汽车减振器工业有限公司 Absorber for adjusting damping force
CN102278406B (en) * 2011-06-20 2013-06-26 芜湖弘祥汽车减振器工业有限公司 Absorber for adjusting damping force
CN107763130A (en) * 2016-08-18 2018-03-06 大连精维液压技术有限公司 Unitary adjustable section postpones nitrogen spring
CN109488757A (en) * 2017-09-13 2019-03-19 上海汽车集团股份有限公司 Gear shifting of manual gearbox connector, gear shifting of manual gearbox system and automobile
CN109340498A (en) * 2018-12-11 2019-02-15 河海大学常州校区 A high-energy pipeline anti-shock part
CN111288108A (en) * 2020-02-20 2020-06-16 唐山保靓汽车配件有限公司 Damping adjustment device for shock absorber

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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: 20120201

Termination date: 20120620