CN106799946A - Suspension elevating adjusting device - Google Patents
Suspension elevating adjusting device Download PDFInfo
- Publication number
- CN106799946A CN106799946A CN201510844837.9A CN201510844837A CN106799946A CN 106799946 A CN106799946 A CN 106799946A CN 201510844837 A CN201510844837 A CN 201510844837A CN 106799946 A CN106799946 A CN 106799946A
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- China
- Prior art keywords
- screw
- fixed
- lower seat
- elevating adjusting
- spring lower
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of suspension elevating adjusting device, the suspension elevating adjusting device includes adjustment component, and the adjustment component is connected to drive the spring lower seat to move along the vertical direction with the spring lower seat of the suspension.Suspension elevating adjusting device according to embodiments of the present invention, by adjusting spring lower seat position in the vertical direction, adjusts the position of vehicle body, and the stress point of shock absorber, simple structure, low cost of manufacture and applied widely are not changed.
Description
Technical field
The present invention relates to the suspension technical field of vehicle, in particular to a kind of suspension elevating adjusting device.
Background technology
In correlation technique, suspension elevating adjusting device is realized using hydraulic structure, such as one of which suspension lift adjustment
Device is to set up hydraulic chamber in shock absorber upper end or lower end, by changing shock absorber to supercharging in hydraulic chamber or pressure release
The mode of length vehicle body is raised or is reduced, also a kind of is that the connecting bracket being connected with knuckle is made into a sealing
Cavity, and a piston is fixed in outer barrel of absorber lower end, the cavity that connecting bracket is formed is divided into upper and lower cavity, by upper and lower
Supercharging or pressure release make vehicle body raise or reduce changing the mode of the length of shock absorber in chamber.
That is, realizing the suspension elevating adjusting device that suspension height is adjusted above by hydraulic structure, vehicle body is raised or dropped
Low scheme has changed the overall length of shock absorber, is an external device on shock absorber, can change the stress point of shock absorber,
The influence shock absorber life-span, and it needs lasting pressurize without lockable mechanism in order to keep highly constant, and its oil feeding system needs
Work always, less economical, noise is big, and need to arrange high-pressure oil pipe, there is oil liquid leakage risk, and pollution environment, deposit
In room for improvement.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention proposes one
Plant the suspension elevating adjusting device of the stress point, simple structure and the low cost of manufacture that do not change shock absorber.
Suspension elevating adjusting device according to embodiments of the present invention, including：Adjustment component, the adjustment component and the suspension
Spring lower seat be connected driving the spring lower seat to move along the vertical direction.
Suspension elevating adjusting device according to embodiments of the present invention, is moved along the vertical direction by adjusting Component driver spring lower seat,
The purpose of adjustment spring lower seat position in the vertical direction is realized, it is possible thereby to vehicle body is adjusted in the position of above-below direction, it is real
Raising or reducing for existing vehicle body, meets traveling demand of the vehicle in different road conditions, additionally, the suspension elevating adjusting device will not
Change spring circumferential locations, i.e., in the case where ensure that the lateral force direction of spring is constant, only regulation spring lower seat is vertical
The position in direction, so as to realize raising or reducing the purpose of bodywork height, will not change each hard spot after shock absorber assembling (i.e.
Stress point), low cost of manufacture, and it is applied widely.
According to one embodiment of present invention, the adjustment component includes：Drive component；Transmission component, the transmission component
It is connected with the drive component, the drive component drives the spring lower seat along the above-below direction by the transmission component
It is mobile.
According to one embodiment of present invention, the transmission component includes：First driving member, the axial direction of first driving member
It is parallel with the above-below direction；Second driving member, second driving member is connected and is arranged to described with the drive component
Move axially to promote the spring lower seat along the above-below direction around the axial rotation under the driving of drive component and along described
It is mobile.
According to one embodiment of present invention, the adjustment component also includes guidance set, and the guidance set includes fairlead
Cylinder and guide ring, one in the pilot sleeve and the guide ring is fixed on first driving member, the fairlead
Another in cylinder and the guide ring is fixed on the spring lower seat；It is described in the pilot sleeve and the guide ring
One be provided with gathering sill and guide protrusions, described in the pilot sleeve and the guide ring is set on another
There is another in the gathering sill and the guide protrusions, the gathering sill extends along the above-below direction.
According to one embodiment of present invention, the transmission component includes screw pair, the leading screw structure of the screw pair
Into first driving member, the nut of the screw pair constitutes second driving member, and the guide ring is fixed on described
On leading screw.
According to one embodiment of present invention, the leading screw includes：Screw part, the screw part and the nut screw connection；
Fixed part, the fixed part is fixedly connected with the screw part, and the fixed part is configured to cylinder, the guiding
Ring set sets and is fixed on the cylinder.
According to one embodiment of present invention, the leading screw also includes：Backstop flange, the backstop flange is located at the leading screw
Partial one end and extending radially outwardly and beyond the periphery edge of the screw part along the cylinder.
According to one embodiment of present invention, the backstop flange is arranged and is weldingly fixed on the cylinder；Or it is described only
Gear flange is integrally formed with the screw part and is fixed on the cylinder by jump ring.
According to one embodiment of present invention, the cylinder is open tubular column or solid post.
According to one embodiment of present invention, the cylinder is open tubular column, one of the cylinder block of the shock absorber of the suspension
Divide and constitute the open tubular column.
According to one embodiment of present invention, the drive component includes：Worm gear, the worm gear is coaxially attached to the spiral shell
On mother；Worm screw, the worm screw engages with the worm gear；Manual rocker, the manual rocker is connected with the worm screw and is suitable for
The worm screw is driven to rotate.
According to one embodiment of present invention, the adjustment component also includes lock assembly, and the lock assembly is used for will be described
Spring lower seat is locked at the optional position in the spring lower seat moving range.
According to one embodiment of present invention, one end of the worm screw is provided with lock groove, the lock groove along the worm screw footpath
To extension；The lock assembly includes：Lock ring, the lock ring is fixed on the spring lower seat and is set in the snail
Outside bar；Locking bolt, the locking bolt is suitable to a part for the perisporium for sequentially passing through the lock ring, the lock groove and consolidates
It is scheduled on another part of the lock ring.
According to one embodiment of present invention, the suspension elevating adjusting device also includes：Thrust bearing, the thrust bearing
It is folded between the nut and the spring lower seat and is folded between the worm gear and the spring lower seat.
According to one embodiment of present invention, the spring lower seat is fixed by branch sleeve with the pilot sleeve, the company
Female connector jacket casing sets and is fixed on outside the pilot sleeve；Guide holder is folded between the thrust bearing and the branch sleeve, and
The guide holder is set in outside the leading screw.
According to one embodiment of present invention, the suspension elevating adjusting device also includes：Connector, the connector difference
It is connected with the spring lower seat and the nut, the lock ring is fixed on the connector, the two ends difference of the worm screw
It is supported on the connector by bearing, the thrust bearing, the guide holder, the worm gear and the worm screw are located at institute
State in the space that connector, the spring lower seat and the nut are limited.
According to one embodiment of present invention, the nut is provided with flange portion, and the flange portion passes through screw thread with the worm gear
Fastener is fixed；Or the nut and the worm gear are fixed by fixed structure, the fixed structure includes raised and groove,
Described raised with the groove fit, the projection is located in the nut and the worm gear, and the groove is located at
On another in the nut and the worm gear.
According to one embodiment of present invention, the drive component includes：Worm gear, the worm gear is coaxially attached to the spiral shell
On mother；Worm screw, the worm screw engages with the worm gear；Motor, the motor is connected with the worm screw and is suitable for
The worm screw is driven to rotate.
According to one embodiment of present invention, the drive component includes：Driving pulley；Driven pulley, the driven pulley
It is coaxially attached on the nut by being driven V belt translation, the driven pulley with the driving pulley；Motor, institute
State motor and be connected with the driving pulley and be suitable for driving the driven pulley to rotate by the transmission belt.
Brief description of the drawings
Fig. 1 is the sectional view of suspension elevating adjusting device according to an embodiment of the invention；
Fig. 2 is the worm gear of suspension elevating adjusting device of the invention and the structural representation of worm screw；
Fig. 3 is the sectional view of one embodiment of the screw pair of suspension elevating adjusting device of the invention；
Fig. 4 is the top view of one embodiment of the screw pair of suspension elevating adjusting device of the invention；
Fig. 5 is the sectional view of another embodiment of the screw pair of suspension elevating adjusting device of the invention；
Fig. 6 is the top view of another embodiment of the screw pair of suspension elevating adjusting device of the invention；
Fig. 7 is the structural representation of the thrust bearing of suspension elevating adjusting device of the invention；
Fig. 8 is the front view of the guide holder of suspension elevating adjusting device of the invention；
Fig. 9 is the top view of the guide holder of suspension elevating adjusting device of the invention；
Figure 10 is the sectional view of the pilot sleeve of suspension elevating adjusting device of the invention；
Figure 11 is the sectional view of the guide ring of suspension elevating adjusting device of the invention；
Figure 12 is the top view of the guide ring of suspension elevating adjusting device of the invention；
Figure 13 is the structural representation of the jump ring of suspension elevating adjusting device of the invention；
Figure 14 is the sectional view of the branch sleeve of suspension elevating adjusting device of the invention；
Structural representation when Figure 15 is the shock absorber center axis deviation of spring center axis and the suspension of spring lower seat；
Figure 16 be the spring center axis of spring lower seat with the shock absorber center axis deviation of suspension and with inclination angle when structure show
It is intended to；
Figure 17 is the structural representation of the manual rocker of suspension elevating adjusting device of the invention；
Figure 18 is the sectional view of suspension elevating adjusting device according to another embodiment of the invention.
Reference：
Suspension elevating adjusting device 1000, spring lower seat 2000, the cylinder block 4000 of spring 3000, shock absorber, fixation
Plate 5000, adjustment component 100, drive component 1, worm gear 11, groove 111, worm screw 12, lock groove 121, shake manually
Bar 13, shaft 131, rocking arm portion 132, transmission component 2, the first driving member 21, the second driving member 22, leading screw 23,
Screw part 231, fixed part 232, backstop flange 233, jump-ring slot 2331, nut 24, flange portion 241, fastener hole
2411st, projection 242, jump ring 25, guidance set 3, pilot sleeve 31, gathering sill 311, guide ring 32, guide protrusions
321st, lock assembly 4, lock ring 41, locking bolt 42, thrust bearing 51, connector 52, guide holder 53, adapter sleeve
The 54, first dust cover 61 of cylinder, the second dust cover 62, connecting bolt 63, bearing 71, seal 72.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to accompanying drawing
The embodiment of description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Suspension is the general name of all force transmission connections between vehicle frame (or monocoque body) and vehicle bridge (or wheel).It is outstanding
Frame generally comprises flexible member, damping element, force transmission mechanism or is guide frame and transverse arresting apparatus.Flexible member,
Such as spring 3000, can play cushioning effect, and damping element, such as shock absorber can play damping effect, force transmission mechanism
Power transmission and guide effect are played, transverse arresting apparatus prevent vehicle body from producing excessive inclination.
Can realize raising and reducing bodywork height by adjusting suspension.Implemented according to the present invention referring to Fig. 1-Figure 18 descriptions
The suspension elevating adjusting device 1000 of example.
As shown in Fig. 1-Figure 18, suspension elevating adjusting device 1000 according to embodiments of the present invention includes adjustment component 100,
Adjustment component 100 is connected with the spring lower seat 2000 of suspension and moved along the vertical direction with seat under driving spring 2000.
It is understood that spring lower seat 2000 is used for support spring 3000, spring 3000 can be arranged on spring lower seat 2000
Between vehicle body, or spring 3000 can be supported between spring lower seat 2000 and vehicle bridge.Spring 3000 has rigidity,
When the timing of 3000 stress of spring one, the length of spring 3000 in the length matched with the stress size, now due to spring 3000
Length it is certain, so as to change the position in the vertical direction of spring lower seat 2000, thus it is possible to vary vehicle body is in the vertical direction
Position.
Suspension elevating adjusting device 1000 according to embodiments of the present invention, by adjusting seat 2000 under the driving spring of component 100
Move along the vertical direction, realize adjusting spring lower seat 2000 in the purpose of upper and lower position by adjusting component 100, thus may be used
To adjust vehicle body in the position of above-below direction, raising or reducing for vehicle body is realized, meets traveling demand of the vehicle in different road conditions,
For example when running at high speed, by reducing the height of vehicle body, windage lifting manipulation stability can be reduced, when vehicle traveling is in height
During the road surface of low injustice, the height of vehicle body can be raised, improve the ability of the leaping over obstacles of vehicle.
Additionally, above-mentioned this suspension elevating adjusting device 1000, spring lower seat 2000 is adjusted upper and lower by adjusting component 100
Position on direction, will not change the circumferential locations of spring 3000, that is, ensure that the constant situation of the lateral force direction of spring
Under, the position of the vertical direction of spring lower seat 2000 is only adjusted, so as to realize raising or reducing the purpose of bodywork height, Bu Huigai
Become each hard spot (i.e. stress point) after shock absorber assembling, while the suspension elevating adjusting device 1000 can also be used for without side force
Shock absorber and shock absorber and the split of spring 3000 suspension form, it is lower relative to the cost of air spring 3000, it is easier to
The popularization and application on B grades, C grades of car.
Suspension elevating adjusting device 1000 according to embodiments of the present invention is described in detail referring to Fig. 1-Figure 18.Such as Fig. 1-figure
Suspension elevating adjusting device 1000 shown in 18 includes adjustment component 100.Adjustment component 100 includes drive component 1, transmission
Component 2, guidance set 3 and lock assembly 4.
Transmission component 2 is connected with drive component 1, consequently facilitating drive component 1 is by seat 2000 under the driving spring of transmission component 2
Move along the vertical direction, lock assembly 4 is used to for spring lower seat 2000 to be locked at appointing in the moving range of spring lower seat 2000
Meaning position, spring lower seat 2000 can be moved between the first location and the second location in above-below direction, then spring lower seat 2000
Between the first location and the second location, i.e. the regulation stroke of suspension elevating adjusting device 1000 is in first position to moving range
The distance between with the second place, and lock assembly 4 can by spring lower seat 2000 be locked at first position, the second place with
And any position between first position and the second place.
As shown in Fig. 1 and Figure 18, transmission component 2 includes the first driving member 21 and the second driving member 22.First driving member 21
Axial direction it is parallel with above-mentioned above-below direction, the second driving member 22 is connected with drive component 1, and the second driving member 22 is arranged to
Under the driving of drive component 1 around the first driving member 21 axial rotation and along the axial movement of the first driving member 21, from
And seat 2000 is moved along the vertical direction under the push the spring of the second driving member 22.
That is, the second driving member 22 under the driving of drive component 1 can around vertically extending axis of rotation,
Can move along the vertical direction again, so that seat 2000 is moved along the vertical direction under push the spring.
In the example as shown in Fig. 1, Fig. 3, Fig. 5 and Figure 18, transmission component 2 includes screw pair, feed screw nut
Secondary leading screw 23 constitutes the first driving member 21, and the nut 24 of screw pair constitutes the second driving member 22.It is optional at some
In embodiment, the screw pair is ball guide screw nat, so that the frictional force between leading screw 23 and nut 24 is small, phase
It is more smooth to moving, so make vehicle body raise or reduction process is without clamping stagnation and more laborsaving.In other optional embodiments
In, the leading screw 23 of screw pair is trapezoidal thread stud, and the nut 24 of screw pair is screw nut, leading screw 23 with
Nut 24 is threadedly coupled.Thus, low cost of manufacture.
Alternatively, sealed by seal 72 between nut 24 and leading screw 23, the seal 72 is unilateral sealing ring, tool
Body ground, as shown in Figure 3 and Figure 5, unilateral sealing ring is located between the flange portion 241 of nut 24 and leading screw 23.
In order to ensure that spring lower seat 2000 is only moved along the vertical direction, will not rotate around the axis, as shown in figure 1, adjustment component
100 also include guidance set 3.Guidance set 3 includes pilot sleeve 31 and guide ring 32, and pilot sleeve 31 is fixed on bullet
Under spring on seat 2000, guide ring 32 is fixed on the first driving member 21 (leading screw 23), as shown in Figure 10, pilot sleeve
31 are provided with gathering sill 311, and as is illustrated by figs. 11 and 12, guide ring 32 is provided with guide protrusions 321, gathering sill 311
It is vertically extending.Thus, spring lower seat 2000 is under the cooperation of guide protrusions 321 and gathering sill 311, only vertically
Direction is moved, and will not be rotated around the axis, and so as to not interfere with the circumferential locations of spring 3000, will not change spring side force
Direction.
Certainly, the structure type of guidance set 3 is not limited to this, in some other embodiments of the invention, fairlead
Cylinder 31 can be fixed on the first driving member 21 (leading screw 23), and guide ring 32 can be fixed on spring lower seat 2000,
Guide protrusions 321 can be located on pilot sleeve 31, and groove 111 can be located on guide ring 32.
As shown in Fig. 1 and Figure 18, guide ring 32 is fixed on leading screw 23, and leading screw 23 includes screw part 231 and fixes
Part 232.Screw part 231 coordinates composition screw pair, fixed part 232 to consolidate with screw part 231 with nut 24
Fixed connection, fixed part 232 is configured to cylinder, and screw part 231 is set in outside cylinder, and guide ring 32 is arranged and is fixed on post
On body, alternatively, guide ring 32 can be welded and fixed with cylinder.
Further, leading screw 23 also includes backstop flange 233, and backstop flange 233 is located at one end of screw part 231, example
Lower end such as in Fig. 1 and Fig. 3, backstop flange 233 extends radially outwardly and beyond the periphery of screw part 231 along cylinder
Edge, so that backstop flange 233 can be deviate from stop nut 24 from leading screw 23.
In some optional embodiments as shown in figures 1 and 3, backstop flange 233 is embedded in one end of screw part 231
On, and backstop flange 233 is arranged and is weldingly fixed on cylinder.Specifically, backstop flange 233 and screw part 231
Material can use different materials, and setting the insert of backstop flange 233 can facilitate screw part 231 to be fixed with cylinder.
For example, in the structure, screw part 231 can be made of alloy material, to strengthen intensity, reduce and wear and tear and rub
Power is wiped, backstop flange 233 can be made of carbon steel material, so as to facilitate backstop flange 233 and cylinder to be welded,
The screw part 231 of alloy material is inlayed integrally with the backstop flange 233 of carbon steel, and such material selection is easy to silk
Thick stick part 231 and the connection of fixed part 232, and lift the intensity of the working portion (i.e. screw part 231) of leading screw 23
While, manufacturing cost can be reduced.
In other optional embodiments as shown in Figure 5, backstop flange 233 is integrally formed with screw part 231, and only
Gear flange 233 is fixed on cylinder by jump ring 25, specifically, as shown in figure 5, backstop flange 233 is provided with jump-ring slot
2331, jump ring 25 is arranged in jump-ring slot 2331, and jump ring 25 is folded between cylinder and jump-ring slot 2331.Namely
Say, backstop flange 233 is made with screw part 231 of same material, for example, backstop flange 233 and screw part
231 are made of alloy material, save the making step of leading screw 23, that is, eliminate backstop flange 233 and screw part
231 and assembling and the Connection Step of cylinder, production efficiency is improved.
In one embodiment as shown in Fig. 1 and Figure 18, screw part 231 is configured to open column shape, and cylinder is open tubular column,
Screw part 231 is arranged and is fixed on cylinder, and the weight of cylinder can be mitigated by the way that cylinder is configured into hollow-core construction, is reduced
Manufacturing cost.
In further embodiments, screw part 231 is configured to open column shape, and cylinder is solid post, the structure of such cylinder
Intensity is high, and the structural stability of suspension elevating adjusting device 1000 is good.
In embodiment as shown in Figure 1, cylinder is open tubular column, and the cylinder block 4000 of the shock absorber of suspension a part of structure
Into the open tubular column, that is to say, that suspension elevating adjusting device 1000 according to embodiments of the present invention, go for shock absorber
With the suspension form of the one of spring 3000.
That is, above-mentioned suspension elevating adjusting device 1000 to be applied to the suspension form of shock absorber and the one of spring 3000
When, only change the position in the vertical direction of spring lower seat 2000, the length and stress point of shock absorber, and spring will not be changed
Lower seat 2000 is not limited specifically with the position relationship of shock absorber, and suspension elevating adjusting device 1000 can be applied in spring 3000
It is eccentric with cylinder block 4000 or there is the situation at inclination angle.Thus, the scope of application of suspension elevating adjusting device 1000 is more
Extensively.
As shown in figure 15, spring lower seat 2000 can be arranged to the central axis L1 and cylinder block 4000 of spring 3000
Central axis L2 deviates or overlaps, the bias of the central axis L1 of the spring 3000 and central axis L2 of cylinder block 4000
Away from being δ I.As shown in figure 16, inclination alpha is increased while spring lower seat 2000 sets bias, to neutralize suspension side force
The harm for bringing.
According to side force from small to large, five sections of spring lower seats 2000 can be correspondingly arranged：When side force is less than 100N, use
Coaxially, aclinic spring lower seat 2000；When side force is more than or equal to 100N and during less than 300N, using the millis of δ I=20
Rice, the spring lower seat 2000 of aclinal, i.e. inclination alpha=0 °；When side force is more than or equal to 300N and during less than 600N, adopt
With I=20 millimeter of δ, the spring lower seat 2000 of inclination alpha=5 °；When side force is more than or equal to 600N and during less than 900N,
Using I=40 millimeter of δ, the spring lower seat 2000 of inclination alpha=5 °；When side force is more than or equal to 900N and less than 1300N
When, using I=40 millimeter of δ, the spring lower seat 2000 of inclination alpha=8 °.
Certainly, as shown in figure 18, cylinder can also be separately provided in addition, and cylinder is unrelated with the cylinder block 4000 of shock absorber,
So as to suspension elevating adjusting device 1000 according to embodiments of the present invention, go for shock absorber with the split of spring 3000
Suspension form.
Needs are installed according to vehicle body and the different of vehicle frame, and in view of the convenience and the convenience of adjustment installed, suspension liter
Set-up mode of the falling tone engagement positions 1000 in vehicle is various, such as in the embodiment shown in Figure 18, the upper end of spring 3000 can
To be fixed in adjustable spring lower seat 2000.(specifically, the suspension elevating adjusting of suspension elevating adjusting device 1000
Put the leading screw 23 in 1000) can be connected with the fixed plate 5000 on vehicle body by connecting bolt 63, welding or other modes.
Certainly in some other embodiments, the lower end of spring 3000 is fixed in spring lower seat 2000, will be in Figure 18 it is outstanding
Frame elevating adjusting device 1000 rotates 180 °, by (specifically, the suspension elevating adjusting device of suspension elevating adjusting device 1000
Leading screw 23 in 1000) it is connected with the fixed plate 5000 on vehicle frame or swing arm by connecting bolt 63, welding or other modes.
Thus, suspension elevating adjusting device 1000 according to embodiments of the present invention, it is applied widely.
The composition of drive component 1 is described referring to Fig. 1, Fig. 2 and Figure 18.In one embodiment as shown in Figure 1, drive
Dynamic component 1 includes worm gear 11, worm screw 12 and manual rocker 13.
Worm gear 11 is coaxially attached on nut 24 so that nut 24 is moved with worm gear 11, that is to say, that worm gear 11 with
Nut 24 is coaxially disposed, and can be rotated around leading screw 23 together and along the axial movement of leading screw 23.
In some examples as shown in figures 3 to 6, worm gear 11 has hollow bulb, and worm gear 11 is arranged and is fixed on outside nut 24.
Nut 24 is various with the fixed form of worm gear 11, in some optional embodiments as shown in Figure 3 and Figure 4, spiral shell
Female 24 are provided with flange portion 241, and flange portion 241 is fixed with worm gear 11 by threaded fastener, specifically, screw threads for fastening
Part is multiple, and flange portion 241 is provided with the multiple fastener holes 2411 for being corresponded with multiple threaded fasteners and being coordinated, multiple tight
Solid hole 2411 is set along the circumferential uniform intervals of nut 24, and thus nut 24 is more firm with the connection of worm gear 11.
In other optional embodiments as shown in Figure 5 and Figure 6, nut 24 and worm gear 11 are fixed by fixed structure,
Fixed structure includes raised 242 and groove 111, and raised 242 coordinate with groove 111, so as to by nut 24 and worm gear 11
It is connected.
In some optional embodiments of the invention, raised 242 are located on nut 24, and groove 111 is located on worm gear 11.
As shown in fig. 6, raised 242 are located on the periphery wall that nut 24 coordinates with worm gear 11, and projection 242 is from outside nut 24
Radially protrude the outer surface of perisporium.As shown in Fig. 2 worm gear 11 has hollow bulb, groove 111 is located at hollow bulb
On the inner surface of perisporium.
Alternatively, raised 242 is multiple, and groove 111 is also multiple, and multiple projections 242 are with multiple grooves 111 one by one
Corresponding cooperation, three, and three projections are in some specific embodiment protrusions 242 of the invention and groove 111
242 and three grooves 111 set along the circumferential uniform intervals of nut 24.
In some optional embodiments of the invention, raised 242 are located on worm gear 11, and groove 111 is located on nut 24.
Worm screw 12 engages with worm gear 11, and manual rocker 13 is connected with worm screw 12 and is suitable for driving worm screw 12 around worm screw 12
Axis is rotated.As shown in figure 17, manual rocker 13 includes the shaft 131 and and shaft with the axis coaxle of worm screw 12
131 connected rocking arm portions 132.
Above-mentioned drive component 1 drives the process of transmission component 2 as follows：User holds rocking arm portion 132, and promotes rocking arm portion 132
Manual rocker 13 is set to drive worm screw 12 to be rotated around the axis of worm screw 12 by shaft 131, due to worm screw 12 and worm gear 11
Cooperation, the rotation of worm screw 12 can drive worm gear 11 around the axial rotation of leading screw 23, because worm gear 11 and nut 24 are consolidated
It is scheduled on together, so that nut 24 is rotated around leading screw 23 with worm gear 11 and along the axial movement of leading screw 23, thus driven
Component 1 is moved along the vertical direction by seat 2000 under the push the spring of transmission component 2.In short, above-mentioned drive component 1 is adopted
Suspension elevating adjusting device 1000 is driven with manual actuation form.
Certainly, the implementation method of drive component 1 is not limited to this, some it is optional implement, drive component 1 can be with
It is motorized motions form, motorized motions are laborsaving and efficiency high.
In an optional embodiment, drive component 1 includes worm gear 11, worm screw 12, motor.Worm gear 11 is coaxial
Be fixed on nut 24, worm screw 12 engages with worm gear 11, motor be connected with worm screw 12 be suitable for drive worm screw 12
Axis around worm screw 12 is rotated.In this embodiment, worm gear 11 may be referred to manual driving with the fixed form of nut 24
The fixed form of worm gear 11 and nut 24 in component 1.
In another optional embodiment, drive component 1 includes driving pulley, driven pulley and motor.Driven belt
Wheel is coaxially attached on nut 24 with driving pulley by being driven V belt translation, driven pulley, motor and driving pulley phase
Company is suitable for driving driven pulley to be rotated around leading screw 23 by transmission belt.The wherein fixed form of driven pulley and nut 24,
It is similar to the fixed form of nut 24 to worm gear 11, no longer narration in detail herein.
Lock assembly 4 according to embodiments of the present invention is described in detail referring to Fig. 1, Fig. 2 and Figure 18.Lock assembly 4 is wrapped
Include lock ring 41 and locking bolt 42.As depicted in figs. 1 and 2, one end of worm screw 12 is provided with lock groove 121, lock groove
121 radially extending along worm screw 12.Lock ring 41 is fixed on spring lower seat 2000, and lock ring 41 is set in worm screw
Outside 12, locking bolt 42 is suitable to a part for the perisporium for sequentially passing through lock ring 41, lock groove 121 and is fixed on lock ring 41
Another part on, thus spring lower seat 2000 and worm screw 12 by the locking of lock assembly 4, worm screw 12 can not rotate, i.e.,
Worm gear 11, nut 24 can not be moved, so that spring lower seat 2000 is fixed, that is to say, that the quilt of spring lower seat 2000
The a certain position in its mobile range is locked at, the road conditions that the position can travel according to vehicle determine.
Specifically, it is in moving range, i.e. suspension rising-falling tone at the beginning of being typically designed by the control of the design attitude of spring lower seat 2000
The middle position of the regulation stroke of engagement positions 1000, such lifting is equal with the distance for reducing vehicle body, can preferably balance
By property and high-speed fuel oil economy and manipulation and comfortableness.But also there is the not reciprocity situation of design, for example：It is sport car, cross-country
Car etc.；Sport car road clearance very little in itself, at this time it is main consider to improve its uneven road surface by property, and avoid passing through
Damaged during ramp, thus the design attitude of spring lower seat 2000 of sport car should control more lower position or lower position (
In embodiment shown in Fig. 1, the position that spring lower seat 2000 is in is lower position), to increase lifting vehicle body distance.More
Wild car and sport car just conversely, it has well by property, but in the fuel economy on the straight road surface of high speed and handling slightly worse,
So the design attitude of spring lower seat 2000 of offroad vehicle should be controlled in the position or upper limit position more gone up.
In short, adjustment component 100 can be realized stepless adjustable, screw pair is coordinated for example with above-mentioned worm and gear
Suspension elevating adjusting device 1000, it is possible to achieve the step-less adjustment of bodywork height, wherein regulation stroke can by leading screw 23 with
And the length of pilot sleeve 31 is determined.In further embodiments, adjustment component 100 can also realize multistage adjustable, the tune
The size and sublevel quantity for saving stroke can adjust according to locus and customer requirement.
Referring to Fig. 1 and Figure 18, the parts between description nut 24 and spring lower seat 2000, i.e., such as Fig. 1 and Figure 18
It is shown, thrust bearing 51, guide holder 53 and branch sleeve 54 are provided between nut 24 and spring lower seat 2000.
As shown in figure 1, thrust bearing 51 is folded between nut 24 and spring lower seat 2000, and the sandwiched of thrust bearing 51
Between worm gear 11 and spring lower seat 2000, to transmit the power between nut 24 and spring lower seat 2000, so as under spring
Seat 2000 is moved along the vertical direction.
Further, as shown in figure 1, spring lower seat 2000 is fixed by branch sleeve 54 with pilot sleeve 31, the structure
In, branch sleeve 54 is used to fix spring lower seat 2000, and spring lower seat 2000 is arranged and is fixed on outside branch sleeve 54, even
Female connector cylinder 54 is arranged and is fixed on outside pilot sleeve 31, wherein for slight interference is matched somebody with somebody between branch sleeve 54 and spring lower seat 2000
Combined pressure is filled or is welded and fixed, and is press-fited or is welded and fixed for slight interference coordinates between branch sleeve 54 and pilot sleeve 31.
Further, as shown in figure 1, being folded with guide holder 53 between thrust bearing 51 and branch sleeve 54, guide holder 53
Be set in outside leading screw 23, by setting guide holder 53, make the stress of thrust bearing 51 evenly, be easy to nut 24 and
The thrust of worm gear 11 is conducted to spring lower seat 2000, also allows for for the stress of spring lower seat 2000 passing to nut 24.
Be folded with successively from the top down for sum up, between spring lower seat 2000 and nut 24 branch sleeve 54, guide holder 53,
Thrust bearing 51, thus nut 24 and worm gear 11 can more uniformly conduct with the thrust of spring lower seat 2000, and stop
The stress of thrust bearing 51 evenly, can reduce the abrasion of thrust bearing 51, be conducive to lifting suspension elevating adjusting device 1000
Service life.
Specifically, thrust bearing 51 is plane thrust bearing 51, and as shown in Figure 8 and Figure 9, guide holder 53 is configured to one
Cross section is the annular element of substantially " L " type, thus the simple structure of guide holder 53, and with branch sleeve 54 and thrust
The contact area of bearing 51 is big, installs more firm.
Further, suspension elevating adjusting device 1000 can also include that connector 52, the first dust cover 61 and second are dust-proof
Cover 62.
As shown in Figure 1, Figure 2 with shown in Figure 18, connector 52 is connected with spring lower seat 2000 and nut 24 respectively, i.e. connector
52 are connected between spring lower seat 2000 and nut 24, for example, connector 52 is configured to one is connected to spring lower seat 2000
And the tubular structure part between nut 24, lock ring 41 is fixed on connector 52, and the two ends of worm screw 12 pass through axle respectively
Hold 71 to be supported on connector 52, connector 52, spring lower seat 2000 and nut 24 limit space, thrust bearing 51,
Guide holder 53, worm gear 11 and worm screw 12 are located in the space, so that thrust bearing 51, guide holder 53, the and of worm gear 11
Immersion of the worm screw 12 from silt, it is ensured that each part smoothly works, while can also ensure suspension elevating adjusting device 1000
With longer service life.
As shown in figure 1, the first dust cover 61 is connected to one end away from spring lower seat 2000 of branch sleeve 54, so that will
The opening of branch sleeve 54 shelters from, because pilot sleeve 31, guide ring 32, leading screw 23 are respectively positioned on inside branch sleeve 54,
So as to the first dust cover 61 can make pilot sleeve 31, guide ring 32, leading screw 23 from the immersion of silt, it is ensured that each part
Smoothly work, while can also ensure that suspension elevating adjusting device 1000 has longer service life.
As shown in figure 1, the second dust cover 62 is connected with connector 52, nut 24 respectively, and the second dust cover 62 is connected to
One end away from spring lower seat 2000 of nut 24, it is dust-proof so as to the bottom of nut 24, leading screw 23 is all covered on into second
In cover 62, so that nut 24 and leading screw 23 can be against the immersions of silt, it is ensured that each part smoothly works, while
Can ensure that suspension elevating adjusting device 1000 has longer service life.
Alternatively, connector 52, the first dust cover 61 and the second dust cover 62 can be TPV (Thermoplastic
Vulcanizate, thermoplastic elastomer (TPE)) material or elastomeric material be made.
Referring to Fig. 1 and Fig. 2-Figure 17, by taking the suspension elevating adjusting device 1000 of manual actuation form as an example, retouch in detail
State the course of work of suspension elevating adjusting device 1000 according to embodiments of the present invention：
When needing to adjust the height of vehicle body, the flat of one end for being located at shaft 131 of manual rocker 13 is inserted into worm screw 12
In the groove for opening up, rocking arm portion 132 is promoted, the rotating of worm screw 12 is driven by the rotation of shaft 131, realize worm gear 11
Rotation, and by worm gear 11 drive nut 24 rotated around leading screw 23 and moved up and down along leading screw 23, nut 24 by only
Thrust bearing 51, guide holder 53 and branch sleeve 54 drive spring lower seat 2000 to move up and down, and leading screw 23 can be fixed
In fixed plate 5000, spring lower seat 2000 is only moved along the vertical direction in the presence of pilot sleeve 31 with guide ring 32,
Can not be rotated around leading screw 23.
When spring lower seat 2000 moves to precalculated position, locking bolt 42 is inserted in lock ring 41 and lock groove 121 simultaneously
Locking bolt 42 is fixed with lock ring 41, so as to spring lower seat 2000 is locked at into precalculated position.
When needing to adjust bodywork height again, first locking bolt 42 is extracted out, when unlocking worm screw 12, and repeated above-mentioned
Adjustment process.
For to sum up, suspension elevating adjusting device 1000 according to embodiments of the present invention is that one kind is not changing spring 3000
Circumferential locations, that is, in the case of ensureing that the lateral force direction of spring is constant, only adjust the position of the vertical direction of spring lower seat 2000
Put, so that realize raising and reducing bodywork height, to adapt to the adjusting apparatus of different loads and road conditions.The suspension lift adjustment
Device 1000, simple structure, reliability can need setting to help regulation stroke step-less adjustment or multiple gear regulations according to client.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ",
" outward ", the orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on
Orientation shown in the drawings or position relationship, are for only for ease of and describe of the invention and simplify description, rather than instruction or hint institute
The device or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this hair
Bright limitation.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed
Or implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation "
Should be interpreted broadly Deng term, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be
Mechanically connect, or electrically connect or can communicate each other；Can be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For
For one of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or
Oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or to be merely representative of first special
Level height is levied less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. mean to combine the specific features of the embodiment or example description, structure, material or
Feature is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, ability
The technical staff in domain can enter the feature of the different embodiments or example described in this specification and different embodiments or example
Row is combined and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (19)
1. a kind of suspension elevating adjusting device, it is characterised in that including：
Adjustment component, the adjustment component is connected to drive the spring lower seat along the vertical direction with the spring lower seat of the suspension
It is mobile.
2. suspension elevating adjusting device according to claim 1, it is characterised in that the adjustment component includes：
Drive component；
Transmission component, the transmission component is connected with the drive component, and the drive component is driven by the transmission component
The spring lower seat is moved along the above-below direction.
3. suspension elevating adjusting device according to claim 2, it is characterised in that the transmission component includes：
First driving member, the axial direction of first driving member is parallel with the above-below direction；
Second driving member, second driving member is connected and is arranged under the driving of the drive component with the drive component
Move axially to promote the spring lower seat to be moved along the above-below direction around the axial rotation and along described.
4. suspension elevating adjusting device according to claim 3, it is characterised in that the adjustment component also includes being oriented to
Component, the guidance set includes pilot sleeve and guide ring, and one in the pilot sleeve and the guide ring is fixed on
On first driving member, another in the pilot sleeve and the guide ring is fixed on the spring lower seat；
One be provided with gathering sill and guide protrusions in the pilot sleeve and the guide ring, it is described to lead
To described in sleeve and the guide ring another be provided with the gathering sill and the guide protrusions another, it is described
Gathering sill extends along the above-below direction.
5. suspension elevating adjusting device according to claim 4, it is characterised in that the transmission component includes leading screw spiral shell
Female secondary, the leading screw of the screw pair constitutes first driving member, and the nut of the screw pair constitutes described second
Driving member, the guide ring is fixed on the leading screw.
6. suspension elevating adjusting device according to claim 5, it is characterised in that the leading screw includes：
Screw part, the screw part and the nut screw connection；
Fixed part, the fixed part is fixedly connected with the screw part, and the fixed part is configured to cylinder, described
Guide ring is arranged and is fixed on the cylinder.
7. suspension elevating adjusting device according to claim 6, it is characterised in that the leading screw also includes：
Backstop flange, the backstop flange is located at one end of the screw part and extending radially outwardly and surpassing along the cylinder
Go out the periphery edge of the screw part.
8. suspension elevating adjusting device according to claim 7, it is characterised in that the backstop flange is arranged and welds
It is fixed on the cylinder；Or
The backstop flange is integrally formed with the screw part and is fixed on the cylinder by jump ring.
9. suspension elevating adjusting device according to claim 6, it is characterised in that the cylinder is open tubular column or solid
Post.
10. suspension elevating adjusting device according to claim 6, it is characterised in that the cylinder is open tubular column, institute
The part for stating the cylinder block of the shock absorber of suspension constitutes the open tubular column.
11. suspension elevating adjusting devices according to claim 5, its feature exists, and the drive component includes：
Worm gear, the worm gear is coaxially attached on the nut；
Worm screw, the worm screw engages with the worm gear；
Manual rocker, the manual rocker is connected with the worm screw and is suitable for driving the worm screw to rotate.
12. suspension elevating adjusting devices according to claim 11, it is characterised in that the adjustment component also includes lock
Only component, the lock assembly is used for the optional position being locked at the spring lower seat in the spring lower seat moving range.
13. suspension elevating adjusting devices according to claim 12, it is characterised in that one end of the worm screw is provided with lock
Only groove, the lock groove is radially extended along the worm screw；
The lock assembly includes：
Lock ring, the lock ring is fixed on the spring lower seat and is set in outside the worm screw；
Locking bolt, the locking bolt is suitable to a part for the perisporium for sequentially passing through the lock ring, the lock groove to be fixed
On another part of the lock ring.
14. suspension elevating adjusting devices according to claim 11, it is characterised in that also include：Thrust bearing, institute
Thrust bearing is stated to be folded between the nut and the spring lower seat and be folded between the worm gear and the spring lower seat.
15. suspension elevating adjusting devices according to claim 14, it is characterised in that the spring lower seat is by connection
Sleeve is fixed with the pilot sleeve, and the branch sleeve is arranged and is fixed on outside the pilot sleeve；The thrust bearing and institute
State and be folded with guide holder between branch sleeve, and the guide holder is set in outside the leading screw.
16. suspension elevating adjusting devices according to claim 15, it is characterised in that also include：Connector, it is described
Connector is connected with the spring lower seat and the nut respectively, and the lock ring is fixed on the connector, the worm screw
Two ends be supported on the connector by bearing respectively, the thrust bearing, the guide holder, the worm gear and described
Worm screw is located in the space that the connector, the spring lower seat and the nut are limited.
17. suspension elevating adjusting devices according to claim 11, it is characterised in that the nut is provided with flange portion,
The flange portion is fixed with the worm gear by threaded fastener；
Or the nut and the worm gear are fixed by fixed structure, the fixed structure includes raised and groove, described convex
Rise and be located in the nut and the worm gear with the groove fit, the projection, the groove is located at the spiral shell
On another in female and described worm gear.
18. suspension elevating adjusting devices according to claim 5, it is characterised in that the drive component includes：
Worm gear, the worm gear is coaxially attached on the nut；
Worm screw, the worm screw engages with the worm gear；
Motor, the motor is connected with the worm screw and is suitable for driving the worm screw to rotate.
19. suspension elevating adjusting devices according to claim 5, it is characterised in that the drive component includes：
Driving pulley；
Driven pulley, the driven pulley is coaxially fixed with the driving pulley by being driven V belt translation, the driven pulley
On the nut；
Motor, the motor is connected with the driving pulley and is suitable for driving the driven belt by the transmission belt
Wheel is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844837.9A CN106799946B (en) | 2015-11-26 | 2015-11-26 | suspension lifting adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844837.9A CN106799946B (en) | 2015-11-26 | 2015-11-26 | suspension lifting adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106799946A true CN106799946A (en) | 2017-06-06 |
| CN106799946B CN106799946B (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510844837.9A Active CN106799946B (en) | 2015-11-26 | 2015-11-26 | suspension lifting adjusting device |
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| Country | Link |
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| CN (1) | CN106799946B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499081A (en) * | 2017-06-26 | 2017-12-22 | 余景超 | A kind of single-leaf spring automotive suspension |
| CN109334369A (en) * | 2018-11-09 | 2019-02-15 | 内蒙古第机械集团股份有限公司 | A kind of gasbag-type rotary air spring |
| CN110319140A (en) * | 2019-07-08 | 2019-10-11 | 江苏赛麟汽车科技有限公司 | A kind of vibration damper assembly |
| CN110654193A (en) * | 2019-08-27 | 2020-01-07 | 重庆长安汽车股份有限公司 | Shock absorber capable of adjusting height of vehicle body |
| CN111433060A (en) * | 2017-11-17 | 2020-07-17 | 马瑞利悬挂系统意大利公司 | Damper and spring unit for a vehicle suspension provided with an electromechanical adjustment device for adjusting the vertical position of the spring |
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| JPS57146930A (en) * | 1981-03-06 | 1982-09-10 | Yamaha Motor Co Ltd | Shock absorber |
| CN101970254A (en) * | 2008-03-12 | 2011-02-09 | 奥迪股份公司 | Wheel suspension for steered wheels of motor vehicles |
| CN102026835A (en) * | 2008-12-24 | 2011-04-20 | 萱场工业株式会社 | Vehicle height adjusting device |
| DE102010017352A1 (en) * | 2010-06-14 | 2011-12-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Elevation adjustment device for wheel suspension of motor car e.g. low-lying sports wagon, has drive device rotating outer sleeve of intermediate sleeve in circumferential direction so as to move spring plate |
| CN203636266U (en) * | 2013-12-16 | 2014-06-11 | 东风汽车公司 | Telescopic base of welding clamp |
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| JPS57146930A (en) * | 1981-03-06 | 1982-09-10 | Yamaha Motor Co Ltd | Shock absorber |
| CN101970254A (en) * | 2008-03-12 | 2011-02-09 | 奥迪股份公司 | Wheel suspension for steered wheels of motor vehicles |
| CN102026835A (en) * | 2008-12-24 | 2011-04-20 | 萱场工业株式会社 | Vehicle height adjusting device |
| DE102010017352A1 (en) * | 2010-06-14 | 2011-12-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Elevation adjustment device for wheel suspension of motor car e.g. low-lying sports wagon, has drive device rotating outer sleeve of intermediate sleeve in circumferential direction so as to move spring plate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499081A (en) * | 2017-06-26 | 2017-12-22 | 余景超 | A kind of single-leaf spring automotive suspension |
| CN111433060A (en) * | 2017-11-17 | 2020-07-17 | 马瑞利悬挂系统意大利公司 | Damper and spring unit for a vehicle suspension provided with an electromechanical adjustment device for adjusting the vertical position of the spring |
| CN109334369A (en) * | 2018-11-09 | 2019-02-15 | 内蒙古第机械集团股份有限公司 | A kind of gasbag-type rotary air spring |
| CN110319140A (en) * | 2019-07-08 | 2019-10-11 | 江苏赛麟汽车科技有限公司 | A kind of vibration damper assembly |
| CN110654193A (en) * | 2019-08-27 | 2020-01-07 | 重庆长安汽车股份有限公司 | Shock absorber capable of adjusting height of vehicle body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106799946B (en) | 2019-12-10 |
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