CN106799947B - Suspension elevating adjusting device - Google Patents

Suspension elevating adjusting device Download PDF

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Publication number
CN106799947B
CN106799947B CN201510846588.7A CN201510846588A CN106799947B CN 106799947 B CN106799947 B CN 106799947B CN 201510846588 A CN201510846588 A CN 201510846588A CN 106799947 B CN106799947 B CN 106799947B
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CN
China
Prior art keywords
locking
adjusting device
driving
cylinder
nut
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CN201510846588.7A
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CN106799947A (en
Inventor
王平
叶文周
周志榜
李伟伟
王刚
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BYD Co Ltd
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BYD Co Ltd
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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

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 between multiple adjustment positions along the vertical direction with the spring lower seat of the suspension.Suspension elevating adjusting device according to an embodiment of the present invention adjusts the position of vehicle body by adjusting the position of spring lower seat in the up-down direction, and stress point, the structure for not changing damper are simple, manufacturing cost is low and applied widely.

Description

Suspension elevating adjusting device
Technical field
The present invention relates to the suspension technical fields of vehicle, in particular to a kind of suspension elevating adjusting device
Background technique
In the related technology, suspension elevating adjusting device is realized using hydraulic structure, such as one of suspension lifting Adjusting device is to add hydraulic chamber in damper upper end or lower end, by subtracting to change to pressurization or pressure release in hydraulic chamber The mode of length of device of shaking makes vehicle body raise or reduce, there are also one is by the connecting bracket being connect with knuckle be made into one it is close The cavity of envelope, 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 Under intracavitary pressurization or pressure release, so that vehicle body is raised or is reduced to change the mode of length of damper.
That is, realizing the suspension elevating adjusting device of suspension height adjustment above by hydraulic structure, vehicle body is raised Or reduce scheme and changed the overall length of damper, it is an external device on damper, the stress of damper can be changed Point influences the damper service life, and it without lockable mechanism, in order to keep height is constant to need to continue pressure maintaining, oil feeding system is needed It to work always, less economical, noise is big, and needs to arrange high-pressure oil pipe, has oil liquid leakage risk, and pollute environment, exists Room for improvement.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions It is a kind of out do not change the stress point of damper, the suspension elevating adjusting device that structure is simple and manufacturing cost is low.
Suspension elevating adjusting device according to an embodiment of the present invention, comprising: adjustment component, the adjustment component are hanged with described The spring lower seat of frame is connected to drive the spring lower seat to move between multiple adjustment positions along the vertical direction.
Suspension elevating adjusting device according to an embodiment of the present invention, along the vertical direction by adjusting Component driver spring lower seat It is moved between multiple adjustment positions, realizes the purpose of the position of adjustment spring lower seat in the up-down direction, and can be by spring It is realized it is possible thereby to adjust the position of vehicle body in above-below direction any one position that lower seat is adjusted into multiple adjustment positions Bodywork height it is multistage adjustable, i.e. realization vehicle body being raised or reducing, meet vehicle in the traveling demand of different road conditions, in addition, The suspension elevating adjusting device will not change spring circumferential locations, that is, ensure that the constant situation in spring lateral force direction Under, the position of seat vertical direction under adjustment spring will not change vibration damping to realize the purpose for raising or reducing bodywork height Each hard spot (i.e. stress point) after device assembly, manufacturing cost is low, and applied widely.
According to one embodiment of present invention, the adjustment component includes the first latch assembly, first latch assembly It include: lock ring, the lock ring includes at least one set of locking protrusion, and every group of locking protrusion includes a locking protrusion；Lock Only cylinder, the locking cylinder are connected with the spring lower seat, and the locking cylinder is equipped with at least one set of locking protrusion one by one Corresponding at least one set locking groove, every group of locking groove include along up and down direction extension and the unequal multiple locks of length Only groove, the multiple locking groove and the multiple adjustment position correspond；Wherein, the locking cylinder is arranged to along described Up and down direction is removable, and the locking protrusion is arranged to one in the multiple locking grooves for switchably entering corresponding group It is interior, and when one end in the locking protrusion and multiple locking grooves is only supported, the locking protrusion and institute Locking cylinder locking is stated, the spring lower seat is fixed on the corresponding adjustment position.
According to one embodiment of present invention, the adjustment component further include: driving assembly；Transmission component, the transmission Component is connected with the driving component, and the driving component drives the locking cylinder along the upper and lower by the transmission component To movement, and the transmission component cooperates with the locking cylinder to drive the more of the locking protrusion switchably corresponding group of entrance In one in a locking groove.
According to one embodiment of present invention, the transmission component includes: the first driving member, the axis of first driving member To parallel with the up and down direction；Second driving member, second driving member are connected with the driving component and are arranged in institute It states under the driving of driving assembly around the axial rotation and along the axial movement；Third driving member, the third driving member folder It holds to push the locking cylinder to move along the up and down direction between second driving member and the locking cylinder, the third Driving member is equipped with multiple driving faces, and each driving face is suitable for cooperating with the end face of the locking cylinder described to drive Locking protrusion switchably enters in one in the two neighboring locking groove of corresponding group.
According to one embodiment of present invention, the multiple locking groove being provided at circumferentially spaced in institute along the locking cylinder On the peripheral wall for stating locking cylinder.
According to one embodiment of present invention, multiple driving face being provided at circumferentially spaced along the locking cylinder, often A driving face is configured to along the circumferential from the end face far from the locking cylinder to close to the locking of the locking cylinder The inclined-plane that the end slope of cylinder extends.
According to one embodiment of present invention, one in the locking cylinder and the lock ring is fixed on described first and passes On moving part, another in the locking cylinder and the lock ring is fixed on the spring lower seat；The locking cylinder and described One one equipped in guide groove and guide protrusions in lock ring, the institute in the locking cylinder and the lock ring Another that another is equipped in the guide groove and the guide protrusions is stated, the guide groove prolongs along the up and down direction It stretches.
According to one embodiment of present invention, the transmission component includes screw pair, the silk of the screw pair Thick stick constitutes first driving member, and the nut of the screw pair constitutes second driving member, and the lock ring is fixed on On the lead screw.
According to one embodiment of present invention, the lock ring includes the first annular portion of coaxial arrangement, the second ring part With third ring part, second ring part is between the first annular portion and the third ring part and relatively described One ring part and the third ring part can be rotated around the axis of the lock ring；Wherein, the guide protrusions are located at described On one ring part, the third ring part is fixed with the lead screw, and the locking protrusion is fixed on second ring part.
According to one embodiment of present invention, the lead screw includes: screw part, and the screw part is matched with the nut It closes；Fixed part, the fixed part are fixedly connected with the screw part, and the fixed part is configured to cylinder, and described Three ring parts, which are arranged, to be fixed on the cylinder.
According to one embodiment of present invention, the lead screw further include: backstop flange, the backstop flange are located at the silk One end of thick stick part and along the cylinder extend radially outwardly and exceed the screw part outer periphery.
According to one embodiment of present invention, the backstop flange is arranged and is weldingly fixed on the cylinder；Or institute It states backstop flange and the screw part is integrally formed and is fixed on the cylinder by circlip.
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, the cylinder block of the damper of the suspension A part constitutes the open tubular column.
According to one embodiment of present invention, the driving component includes: worm gear, and the worm gear is coaxially attached to described On nut；Worm screw, the worm screw engage with the worm gear；Driving motor, the driving motor are connected with the worm screw and are suitable for The worm screw is driven to rotate.
According to one embodiment of present invention, the driving component includes: worm gear, and the worm gear is coaxially attached to described On nut；Worm screw, the worm screw engage with the worm gear；Manual rocker, the manual rocker are connected with the worm screw and are suitable for The worm screw is driven to rotate.
According to one embodiment of present invention, the suspension elevating adjusting device further include: thrust bearing, the thrust shaft It holds and 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 connection sleeve with the locking cylinder, described Connection sleeve, which is arranged, to be fixed on outside the locking cylinder；The third is folded between the thrust bearing and the connection sleeve to pass Moving part, and the third driving member is set in outside the lead screw.
According to one embodiment of present invention, the suspension elevating adjusting device further include: connector, the connector point It is not connected with the spring lower seat and the nut, the both ends of the worm screw pass through bearing respectively and are supported on the connector, The thrust bearing, the third driving member, the worm gear and the worm screw are located at the connector, the spring lower seat and institute In the space for stating nut restriction.
According to one embodiment of present invention, the nut is equipped with flange portion, and the flange portion passes through with the worm gear Threaded fastener is fixed；Or the nut and the worm gear are fixed by fixed structure, the fixed structure include protrusion and Groove, the protrusion cooperate with the groove, and the protrusion is located on one in the nut and the worm gear, the groove It is located on another in the nut and the worm gear.
According to one embodiment of present invention, one end of the worm screw is equipped with lock groove, and the lock groove is along the worm screw Radially extend；Suspension elevating adjusting device further includes the second latch assembly, and second latch assembly includes: lock ring, described Lock ring is fixed on the spring lower seat and is set in outside the worm screw；Locking bolt, the locking bolt are suitable for sequentially passing through A part of the peripheral wall of the lock ring, the lock groove are fixed on another part of the lock ring to consolidate the lower spring cup It is scheduled at one in the multiple adjustment position.
According to one embodiment of present invention, the driving component includes: driving pulley；Driven pulley, the driven belt With the driving pulley by transmission V belt translation, the driven pulley is coaxially attached on the nut wheel；Driving motor, institute It states driving motor and is connected with the driving pulley and be suitable for driving the driven pulley around the lead screw by the transmission belt Axial rotation.
According to one embodiment of present invention, the nut is equipped with flange portion, the flange portion and the driven pulley It is fixed by threaded fastener；Or the nut and the driven pulley are fixed by fixed structure, the fixed structure packet Protrusion and groove are included, the protrusion cooperates with the groove, and the protrusion is located at one in the nut and the driven pulley On a, the groove is located on another in the nut and the driven pulley.
According to one embodiment of present invention, further includes: thrust bearing, the thrust bearing are folded in the nut and institute It states between spring lower seat and is folded between the driven pulley and the spring lower seat.
According to one embodiment of present invention, the spring lower seat is fixed by connection sleeve with the locking cylinder, described Connection sleeve, which is arranged, to be fixed on outside the locking cylinder；The third is folded between the thrust bearing and the connection sleeve to pass Moving part, and the third driving member is set in outside the lead screw.
According to one embodiment of present invention, the suspension elevating adjusting device further include: connector, the connector point It is not connected with the spring lower seat and the nut, the driving motor is supported on the connector, the thrust bearing, institute It states third driving member, the driving pulley and the driven pulley and is located at the connector, the spring lower seat and the nut In the space of restriction.
According to one embodiment of present invention, the driving component includes manual wrench, and the manual wrench is equipped with card Portion is held, the nut is adapted to the holding section.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the suspension elevating adjusting device of one embodiment according to the present invention；
Fig. 2 is the adjustment process schematic of suspension elevating adjusting device according to the present invention；
Fig. 3 is the cross-sectional view of one embodiment of the screw pair of suspension elevating adjusting device according to the present invention；
Fig. 4 is the top view of one embodiment of the screw pair of suspension elevating adjusting device according to the present invention；
Fig. 5 is the cross-sectional view of another embodiment of the screw pair of suspension elevating adjusting device according to the present invention；
Fig. 6 is the top view of another embodiment of the screw pair of suspension elevating adjusting device according to the present invention；
Fig. 7 is the structural schematic diagram of one embodiment of the driven pulley of suspension elevating adjusting device according to the present invention；
Fig. 8 is the cross-sectional view of one embodiment of the driven pulley of suspension elevating adjusting device according to the present invention；
Fig. 9 is the structural representation of another embodiment of the driven pulley of suspension elevating adjusting device according to the present invention Figure；
Figure 10 is the cross-sectional view of another embodiment of the driven pulley of suspension elevating adjusting device according to the present invention；
Figure 11 is the structural schematic diagram of the thrust bearing of suspension elevating adjusting device according to the present invention；
Figure 12 is the main view of the third driving member of suspension elevating adjusting device according to the present invention；
Figure 13 is the top view of the third driving member of suspension elevating adjusting device according to the present invention；
Figure 14 is the main view of the third driving member of suspension elevating adjusting device according to the present invention；
Figure 15 is the cross-sectional view of the locking cylinder of suspension elevating adjusting device according to the present invention；
Figure 16 is the schematic perspective view of the third driving member of suspension elevating adjusting device according to the present invention；
Figure 17 is the cross-sectional view of the lock ring of suspension elevating adjusting device according to the present invention；
Figure 18 is the top view of the lock ring of suspension elevating adjusting device according to the present invention；
Figure 19 is the structural schematic diagram of the circlip of suspension elevating adjusting device according to the present invention；
Figure 20 is the cross-sectional view of the connection sleeve of suspension elevating adjusting device according to the present invention；
Figure 21 be spring lower seat spring center axis and suspension damper center axis deviation when structural schematic diagram；
When Figure 22 is the spring center axis of spring lower seat and the damper center axis deviation of suspension and has inclination angle Structural schematic diagram；
Figure 23 is the cross-sectional view of the suspension elevating adjusting device of second embodiment according to the present invention；
Figure 24 is the cross-sectional view of the suspension elevating adjusting device of third embodiment according to the present invention；
Figure 25 is the assembling structure schematic diagram of the worm and gear in Figure 24；
Figure 26 is the structural schematic diagram of the manual rocker of third embodiment；
Figure 27 is the cross-sectional view of the suspension elevating adjusting device of the 4th embodiment according to the present invention；
Figure 28 is the cross-sectional view of the suspension elevating adjusting device of the 5th embodiment according to the present invention；
Figure 29 is the assembling structure schematic diagram of the worm and gear and driving motor in Figure 28.
Appended drawing reference:
Suspension elevating adjusting device 1000, spring lower seat 2000, spring 3000, the cylinder block 4000 of damper, fixation Plate 5000,
Adjustment component 100,
Driving assembly 1, worm gear 11, groove 111, worm screw 12, lock groove 121, manual rocker 13, shaft 131, rocker arm portion 132, driving motor 14, driving pulley 15, driven pulley 16, driven pulley main body 161, retaining ring 162, threaded hole 163, transmission belt 17、
Transmission component 2, the first driving member 21, the second driving member 22, third driving member 53, driving face 531,
Lead screw 23, screw part 231, fixed part 232, backstop flange 233, jump-ring slot 2331, nut 24, flange portion 241, fastener hole 2411, protrusion 242,
Circlip 25,
First latch assembly 3, locking cylinder 31, guide groove 311, locking groove 312, lock ring 32, guide protrusions 321, lock Only raised 322, second ring part 324, third ring part 325, angular contact ball bearing 326,
Second latch assembly 4, lock ring 41, locking bolt 42,
Thrust bearing 51, connector 52, connection sleeve 54,
First dust cover 61, the second dust cover 62, connection bolt 63,
Bearing 71, sealing element 72.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is 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 elastic element, damping element, force transmission mechanism or is guide frame and transverse arresting apparatus.Elastic element, Such as spring 3000, can play buffer function, damping element, such as damper can play damping effect, and force transmission mechanism rises To power transmission and guiding role, transverse arresting apparatus prevents vehicle body from generating excessive inclination.
It may be implemented to raise and reduce the purpose of bodywork height by adjusting suspension.Basis is described referring to Fig. 1-Figure 29 The suspension elevating adjusting device 1000 of the embodiment of the present invention.
As shown in Fig. 1-Figure 29, suspension adjustment device according to an embodiment of the present invention includes adjustment component 100, adjusts component 100 are connected with the spring lower seat 2000 of suspension is moved between multiple adjustment positions along the vertical direction with seat 2000 under driving spring It is dynamic.
It is understood that spring lower seat 2000 is used to support spring 3000, spring 3000 be can be set in spring lower seat Between 2000 and 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 with the matched length of stress size, at this time due to spring 3000 Length it is certain, to change the position of spring lower seat 2000 in the up-down direction, thus it is possible to vary vehicle body is in the up-down direction Position, when spring lower seat 2000 moves between multiple adjustment positions, vehicle body is also moved between multiple vehicle body positions, multiple Vehicle body position and multiple adjustment positions correspond, i.e., vehicle body can be realized multistage adjustable, and specific order can be according to vehicle Specific requirements depending on.
Suspension elevating adjusting device 1000 according to an embodiment of the present invention, by adjusting seat under 100 driving spring of component 2000 move between multiple adjustment positions along the vertical direction, realize and adjust spring lower seat 2000 upper by adjusting component 100 The upward position in lower section, and any one position that can be adjusted spring lower seat 2000 into multiple adjustment positions, thus may be used To adjust the position of vehicle body in above-below direction, realizes the multistage adjustable of bodywork height, that is, realize raising or reducing for vehicle body, meet Vehicle such as when running at high speed, by reducing the height of vehicle body, can reduce windage and promote behaviour in the traveling demand of different road conditions Stability is controlled, when vehicle driving is at rugged road surface, the height of vehicle body can be raised, improve the leaping over obstacles of vehicle Ability.
In addition, above-mentioned this suspension elevating adjusting device 1000, adjusts spring lower seat 2000 upper by adjusting component 100 The upward position in lower section will not change 3000 circumferential locations of spring, that is, ensure that the constant feelings in spring lateral force direction Under condition, the position of 2000 vertical direction of seat under adjustment spring, to realize the purpose for raising or reducing bodywork height, Bu Huigai Each hard spot (i.e. stress point) after becoming damper assembly, while the suspension elevating adjusting device 1000 can also be used for no lateral force Damper and the damper suspension form seperated with spring 3000 are lower relative to air spring cost, it is easier at B grades, C grades It is promoted and applied on vehicle.
Some embodiments of suspension elevating adjusting device 1000 according to the present invention are described in detail referring to Fig. 1-Figure 29. The suspension elevating adjusting device 1000 as shown in Fig. 1-Figure 29 includes adjustment component 100.Adjust component 100 include driving assembly 1, Transmission component 2, the first latch assembly 3 and the second latch assembly 4.
Shown in as shown in Figure 1, Figure 23, Figure 24, Figure 27 and Figure 28, the first latch assembly 3 includes lock ring 32 and locking cylinder 31.Such as Shown in Figure 17 and Figure 18, lock ring 32 includes at least one set of locking protrusion, and every group of locking protrusion includes a locking protrusion 322.Locking cylinder 31 is equipped with and the one-to-one at least one set of locking groove of at least one set of locking protrusion, i.e. locking protrusion 322 Group number it is identical as the group number of locking groove 312, and one group of locking protrusion cooperates with corresponding one group of locking groove, and every group of locking is recessed Slot includes multiple locking grooves 312, and the length of multiple locking grooves 312 is unequal, and each locking groove 312 is vertically square To extension, multiple locking grooves 312 are corresponded with multiple adjustment positions.
Locking cylinder 31 is arranged to move along the vertical direction, such as in some embodiments of the present invention, driving assembly 1 passes through Transmission component 2 drive locking cylinder 31 move along the vertical direction, wherein transmission component 2 is connected with driving assembly 1, and locking cylinder 31 and Spring lower seat 2000 is connected, so that locking cylinder 31 can drive spring lower seat 2000 to move along the vertical direction.
Locking protrusion 322 is arranged in one in the multiple locking grooves 312 for switchably entering corresponding group, for example, In some embodiments of the invention, transmission component 2 can drive locking protrusion 322 switchably to enter with the cooperation of locking cylinder 31 In one in multiple locking grooves 312 of corresponding group, and locking protrusion 322 and one end in multiple locking grooves 312 When portion only supports, locking protrusion 322 and 31 locking of locking cylinder, spring lower seat 2000 are fixed on corresponding adjustment position.
As shown in Figure 14-Figure 16, locking groove 312 is located on the peripheral wall of locking cylinder 31 and through peripheral wall, locking groove 312 It vertically extends, locking groove 312 has opening, and locking protrusion 322 can enter locking groove 312, locking from opening When cylinder 31 moves up and down, locking groove 312 is moved up and down with respect to locking protrusion 322, when locking cylinder 31 is moved to locking groove 312 End and locking protrusion 322 only support position when, locking cylinder 31 is locked up, thus spring lower seat 2000 be also fixed on should At the corresponding adjustment position of the length of locking groove 312.
It is understood that since the length of same group of multiple locking grooves 312 is different, when locking protrusion 322 and certain As soon as locking cylinder 31 is locked in the up-down direction corresponding with the length when end contact of the locking groove 312 of length At position, so as to which spring lower seat 2000 is fixed at adjustment position corresponding with the length in the up-down direction.Thus root According to the suspension elevating adjusting device 1000 of the embodiment of the present invention, spring lower seat 2000 can be made along upper by the first latch assembly 3 Lower direction switches between multiple adjustment positions, realizes that vehicle body is multistage adjustable on upper and lower position, and the first latch assembly 3 Structure is simple, manufacturing cost is low.
Shown in as shown in Figure 1, Figure 23, Figure 24, Figure 27 and Figure 28, transmission component 2 includes the first driving member 21, the second driving member 22 With third driving member 53.The axial direction of first driving member 21 is parallel with up and down direction, and the second driving member 22 is connected with driving assembly 1, And second driving member 22 be arranged under the driving of driving assembly 1 around the axial rotation of the first driving member 21 and along the first transmission The axial movement of part 21, so that seat 2000 moves along the vertical direction under 22 push the spring of the second driving member.Third driving member 53 presss from both sides It holds between the second driving member 22 and locking cylinder 31 to push locking cylinder 31 to move along the vertical direction.
That is, the second driving member 22 can turn under the driving of driving assembly 1 around the shaft vertically extended It is dynamic, and can move along the vertical direction, the second driving member 22 pushes third driving member 53, and third driving member 53 pushes locking cylinder 31, so that locking cylinder 31 moves along the vertical direction, so that locking cylinder 31 drives spring lower seat 2000 to move along the vertical direction.
Further, third driving member 53 is equipped with multiple driving faces 531, and each driving face 531 is suitable for and locking The end face cooperation of cylinder 31 is to drive locking protrusion 322 switchably into one in the two neighboring locking groove 312 of corresponding group In a.That is, locking protrusion 322 can be under the collective effect of driving face 531 and the end face of locking cylinder 31, from one Locking groove 312 enters another locking groove 312.
Specifically, as shown in Figure 1, Figure 23, shown in Figure 24, Figure 27 and Figure 28, multiple groups locking groove is between the circumferential direction of locking cylinder 31 Every multiple locking grooves 312 in setting, every group of locking groove along the week of locking cylinder 31 being provided at circumferentially spaced in locking cylinder 31 On wall.322 being provided at circumferentially spaced along lock ring 32 of multiple groups locking protrusion, lock ring 32 and locking cylinder 31 are coaxially disposed.
Multiple being provided at circumferentially spaced along locking cylinder 31 of driving face 531, each driving face 531 are configured to along locking The circumferential inclined-plane extended from the end face far from locking cylinder 31 to the end slope close to locking cylinder 31 of cylinder 31.Wherein locking protrusion The gradient on surface 322 and that third driving member 53 is opposite is identical as the gradient on the inclined-plane, and on the inclined-plane and locking cylinder 31 A wedge shape space is limited between end face, by the effect of wedge shape space, make locking protrusion 322 around locking cylinder 31 it is circumferential from One locking groove 312 enters another adjacent locking groove 312.
Locking groove in the number in driving face 531 and the group number of locking groove 312 and every group of locking groove 312 312 number is related, the number n=n1* (n2-1) in driving face 531, and wherein n1 is the group number of locking groove 312, and n2 is every The number of locking groove 312 in group locking groove.
In some specific embodiments of the invention, n1=3, and n2=3, thus spring lower seat 2000 can realize three ranks Adjustable, i.e., spring lower seat 2000 can move between three adjustment positions along the vertical direction.
As can be seen from the above description, suspension elevating adjusting device 1000 uses multistage adjustable structure, adjusts stroke by locking The length of locking groove 312 on cylinder 31 determines that each contrast section height is determined by the length difference of each locking groove 312, adjusts Section order is determined by the quantity of the locking groove 312 on locking cylinder 31 with length difference；Face principle is determined according to 3 points, it generally will lock The locking groove 312 that three equal lengths are only arranged on cylinder 31 is used as single order, and as shown in figure 16, several ranks are adjustable, just there is several groups three The locking groove 312 of a equal length.
Specifically, being to control 2000 design position of spring lower seat in moving range, i.e. suspension liter at the beginning of being typically designed The middle position of the adjusting stroke of falling tone engagement positions 1000, is lifted and reduces in this way being equidistant for vehicle body, can be better Balance passability and high-speed fuel oil economy and manipulation and comfort.But also have and designs not reciprocity situation, such as: sport car is got over Wild vehicle etc.；Sport car road clearance very little itself, at this time main consideration improves the passability of its uneven road surface, and avoids passing through Damaged when ramp, thus 2000 design position of spring lower seat 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), vehicle body distance is lifted to increase.Offroad vehicle With sport car just on the contrary, it has a good passability, but in the fuel economy on the straight road surface of high speed and handling slightly worse, so 2000 design position of spring lower seat of offroad vehicle should control position or upper limit position on more.
In short, adjustment component 100 may be implemented multistage adjustable, the size and sublevel quantity of the adjusting stroke can bases Spatial position and customer requirement adjust.
In the example as shown in Fig. 1, Fig. 3, Fig. 5, Figure 23, Figure 24, Figure 27 and Figure 28, transmission component 2 includes lead screw spiral shell Female secondary, the lead screw 23 of screw pair constitutes the first driving member 21, and the nut 24 of screw pair constitutes the second driving member 22.? In some optional embodiments, which is ball guide screw nat, thus the friction between lead screw 23 and nut 24 Power is small, and relative motion is more smooth, and then make vehicle body raises or reduce process without clamping stagnation and more laborsaving.
In other optional embodiments, the lead screw 23 of screw pair is trapezoidal thread stud, screw pair Nut 24 is screw nut, and lead screw 23 is threadedly coupled with nut 24.Manufacturing cost is low as a result,
Optionally, it is sealed between nut 24 and lead screw 23 by sealing element 72, which is unilateral sealing ring, specifically Ground, as shown in Figure 3 and Figure 5, unilateral sealing ring are located between the flange portion 241 of nut 24 and lead screw 23.
In order to guarantee that spring lower seat 2000 only moves along the vertical direction, will not rotate around the axis, as shown in Figure 1, Figure 23, Figure 24, Shown in Figure 27 and Figure 28, locking cylinder 31 is fixed on spring lower seat 2000, and lock ring 32 is fixed on 21 (lead screw of the first driving member 23) on, as shown in Figure 15 and Figure 16, locking cylinder 31 is equipped with guide groove 311 and sets on lock ring 32 as shown in Figure 17 and Figure 18 There are guide protrusions 321, guide groove 311 vertically extends.Spring lower seat 2000 is in guide protrusions 321 and guide groove as a result, It under 311 cooperation, only moves, will not rotate around the axis along the vertical direction, thus will not influence 3000 circumferential locations of spring, Spring lateral force direction will not be changed.
Certainly, guide groove 311 and the set-up mode of guide protrusions 321 are not limited to this, of the invention some other In embodiment, locking cylinder 31 can be fixed on the first driving member 21 (lead screw 23), and lock ring 32 can be fixed on spring lower seat On 2000, guide protrusions 321 can be located on locking cylinder 31, and groove 111 can be located on lock ring 32.
As shown in Figure 17 and Figure 18, lock ring 32 includes first annular portion, the second ring part 324 and the third of coaxial arrangement Ring part 325, the second ring part 324 is between first annular portion and third ring part 325, and the second ring part 324 is opposite First annular portion can be rotated around the axis of lock ring 32, such as shown in Figure 17, can between the second ring part 324 and first annular portion To be connected by angular contact ball bearing 326 to realize and relatively rotate, the opposite third ring part 325 of the second ring part 324 is around locking The axis of ring 32 also can be rotated, such as shown in Figure 17, can pass through corner connection between the second ring part 324 and third ring part 325 Touching ball bearing 326 is connected to realize and relatively rotate.
Wherein, guide protrusions 321 are located in first annular portion, and guide protrusions 321 cooperate with guide groove 311 mainly rise it is auxiliary Help guiding role.Third ring part 325 and lead screw 23 are fixed, to play a supporting role, locking protrusion 322 is fixed on the second ring In shape portion 324, and locking protrusion 322 realizes the locking of locking cylinder 31 with the cooperation of locking cylinder 31, and locking protrusion 322 is driven with third The cooperation of part 53 realizes that the second ring part 324 stops around the rotation of the axis of lock ring 32, and in specified position, to can smoothly enter into In the locking groove 312 of corresponding locking cylinder 31.
Shown in as shown in Figure 1, Figure 23, Figure 24, Figure 27 and Figure 28, lock ring 32 is fixed on lead screw 23.Lead screw 23 includes lead screw Part 231 and fixed part 232.Screw part 231 and the cooperation of nut 24 constitute screw pair, fixed part 232 and lead screw Part 231 is fixedly connected, and fixed part 232 is configured to cylinder, and screw part 231 is set in outside cylinder, and 325 sets of third ring part If being fixed on cylinder, optionally, third ring part 325 can be welded and fixed with cylinder.
Further, lead screw 23 further includes backstop flange 233, and backstop flange 233 is located at one end of screw part 231, example Such as the lower end in Fig. 1 and Fig. 3, backstop flange 233 along cylinder the outer periphery to extend radially outwardly and exceed screw part 231, To which backstop flange 233 can be deviate from from lead screw 23 with stop nut 24.
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, the material of backstop flange 233 and screw part 231 Different materials can be used, setting 233 insert of backstop flange can be convenient screw part 231 and fix with cylinder.
For example, screw part 231 can be made of alloy material in the structure, to enhance intensity, reduce and wear and rub Power is wiped, backstop flange 233 can be made of carbon steel material, so that backstop flange 233 is facilitated to be welded with cylinder, alloy The screw part 231 of material and the backstop flange 233 of carbon steel are inlayed integrally, such material selection, are convenient for screw part 231 can be with and while promote the intensity of working portion (i.e. screw part 231) of lead screw 23 with the connection of fixed part 232 Reduce manufacturing cost.
In other optional embodiments as shown in Figure 5, backstop flange 233 and screw part 231 are integrally formed, and only Gear flange 233 is fixed on cylinder by circlip 25, specifically, as shown in figure 5, backstop flange 233 is equipped with jump-ring slot 2331, Circlip 25 is mounted in jump-ring slot 2331, and circlip 25 is folded between cylinder and jump-ring slot 2331.That is, backstop flange 233 are made with screw part 231 of same material, for example, backstop flange 233 and screw part 231 are all made of alloy material Material is made, and saves the making step of lead screw 23, that is, eliminates the assembly of backstop flange 233 and screw part 231 and cylinder And Connection Step, production efficiency are improved.
In some embodiments shown in as shown in Figure 1, Figure 23, Figure 24, Figure 27 and Figure 28, screw part 231 is configured to open tubular column Shape, cylinder are open tubular column, and screw part 231, which is arranged, to be fixed on cylinder, can be mitigated by the way that cylinder is configured to hollow structure The weight of cylinder reduces manufacturing cost.
In further embodiments, screw part 231 is configured to open column shape, and cylinder is solid post, the knot of such cylinder Structure intensity is high, and the structural stability of suspension elevating adjusting device 1000 is good.
In some embodiments shown in as shown in Figure 1, Figure 24 and Figure 28, cylinder is open tubular column, and the oil cylinder of the damper of suspension A part of cylinder body 4000 constitutes the open tubular column, that is to say, that suspension elevating adjusting device 1000 according to an embodiment of the present invention, It can be adapted for the suspension form of 3000 one of damper and spring.
That is, above-mentioned suspension elevating adjusting device 1000 to be applied to the suspension shape of 3000 one of damper and spring When formula, only changes the position of spring lower seat 2000 in the up-down direction, the length and stress point of damper, and spring will not be changed The positional relationship of lower seat 2000 and damper does not limit specifically, and suspension elevating adjusting device 1000 can be applied in spring 3000 It is eccentric or the case where there are inclination angles with cylinder block 4000.The scope of application of suspension elevating adjusting device 1000 is wider as a result,.
As shown in figure 21, spring lower seat 2000 can be set into 3000 central axis L1 of spring and cylinder block 4000 Mandrel line L2 deviates or is overlapped, and the eccentricity of the central axis L2 of 3000 central axis L1 of spring and cylinder block 4000 is δ I. As shown in figure 22, increase inclination alpha while bias is arranged in spring lower seat 2000, to neutralize the harm of suspension lateral force bring.
From small to large according to lateral force, five sections of spring lower seats 2000 can be correspondingly arranged: when lateral force is less than 100N, Using coaxial, aclinic spring lower seat 2000；When lateral force is more than or equal to 100N and is less than 300N, using I=20 milli of δ Rice, aclinal, the i.e. spring lower seat 2000 of inclination alpha=0 °；When lateral force be more than or equal to 300N and be less than 600N when, using δ I= 20 millimeters, the spring lower seats 2000 of inclination alpha=5 °；When lateral force is more than or equal to 600N and is less than 900N, using I=40 milli of δ Rice, inclination alpha=5 ° spring lower seat 2000；When lateral force be more than or equal to 900N and be less than 1300N when, using I=40 millimeter of δ, The spring lower seat 2000 of inclination alpha=8 °.
Certainly, as shown in Figure 23 and Figure 27, in addition cylinder can also be separately provided, the cylinder block of cylinder and damper 4000 is unrelated, so that suspension elevating adjusting device 1000 according to an embodiment of the present invention, can be adapted for damper and spring 3000 seperated suspension forms.
According to vehicle body and the different installation needs of vehicle frame, and in view of the convenience of the convenience of installation and adjustment, hang The set-up mode multiplicity of frame elevating adjusting device 1000 in the car, such as in some embodiments shown in Figure 23 and Figure 27, bullet 3000 upper end of spring can be fixed in adjustable spring lower seat 2000.1000 (specifically, suspension liter of suspension elevating adjusting device Lead screw 23 in falling tone engagement positions 1000) fixed plate on connection bolt 63, welding or other modes and vehicle body can be passed through 5000 connections.Certainly in some other embodiments, the lower end of spring 3000 is fixed in spring lower seat 2000, i.e., by Figure 23 180 ° are rotated with the suspension elevating adjusting device 1000 in Figure 27, (specifically, suspension is gone up and down by suspension elevating adjusting device 1000 Adjust the lead screw 23 in device 1000) by the fixed plate in connection bolt 63, welding or other modes and vehicle frame or swing arm 5000 connections.
Suspension elevating adjusting device 1000 according to an embodiment of the present invention as a result, it is applied widely.
The composition of driving assembly 1 is described referring to Figure 24, Figure 25 and Figure 26.As of fig. 24 in one embodiment, Driving assembly 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 together around the rotation of lead screw 23 and along the axial movement of lead screw 23.
In some examples as shown in figure 25, worm gear 11 has hollow portion, and worm gear 11, which is arranged, to be fixed on outside nut 24.
The fixed form of nut 24 and worm gear 11 multiplicity, in some alternative embodiments, as shown in figures 3 to 6, nut 24 are equipped with flange portion 241, and flange portion 241 is fixed with worm gear 11 by threaded fastener, and specifically, threaded fastener is more A, flange portion 241 is equipped with multiple fastener holes 2411 that cooperation is corresponded with multiple threaded fasteners, multiple fastener holes 2411 Circumferential uniform intervals along nut 24 are arranged, and thus nut 24 and the connection of worm gear 11 are stronger.
In other optional embodiments, nut 24 and worm gear 11 are fixed by fixed structure, and fixed structure includes convex 242 and groove 111 are played, protrusion 242 cooperates with groove 111, so that nut 24 is connected with worm gear 11.
In some optional embodiments of the invention, as shown in figures 3 to 6, protrusion 242 is located on nut 24, such as Figure 25 Shown, groove 111 is located on worm gear 11.Protrusion 242 is located on the periphery wall that nut 24 and worm gear 11 cooperate, and protrusion 242 from It radially protrudes the outer surface of the periphery wall of nut 24.As shown in figure 25, worm gear 11 has hollow portion, and groove 111 is located at On the inner surface of the peripheral wall of hollow portion.
Optionally, protrusion 242 is multiple, and groove 111 is also multiple, and multiple raised 242 is a pair of with multiple grooves 111 1 The cooperation answered, in some specific embodiments of the invention, protrusion 242 and groove 111 are three, and three protrusions 242 It is arranged along the circumferential uniform intervals of nut 24 with three grooves 111.
In other optional embodiment of the invention, protrusion 242 can be located on worm gear 11, and groove 111 can be set On nut 24.
Worm screw 12 engages with worm gear 11, and manual rocker 13 is connected with worm screw 12 is suitable for the axis for driving worm screw 12 around worm screw 12 Line rotation.As shown in figure 26, manual rocker 13 include with the shaft 131 of the axis coaxle of worm screw 12 and with 131 phase of shaft Rocker arm portion 132 even.
Above-mentioned driving assembly 1 drives the process of transmission component 2 as follows: user holds rocker arm portion 132, and pushes rocker arm portion 132 make manual rocker 13 drive worm screw 12 to rotate 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 axial direction rotation of the worm gear 11 around lead screw 23, since worm gear 11 and nut 24 are fixed on one It rises, so that nut 24 rotates around lead screw 23 with worm gear 11 and along the axial movement of lead screw 23, thus driving assembly 1 passes through biography Seat 2000 moves along the vertical direction under dynamic 2 push the spring of component.In short, above-mentioned driving assembly 1 uses manual actuation form To drive suspension elevating adjusting device 1000.
Certainly, the embodiment of driving assembly 1 is not limited to this, and in some optional implementations, driving assembly 1 can be with For electric drive form, electric drive is laborsaving and high-efficient.
In an alternative embodiment, as shown in Figure 28 and Figure 29, driving assembly 1 includes worm gear 11, worm screw 12, driving Motor 14.Worm gear 11 is coaxially attached on nut 24, and worm screw 12 engages with worm gear 11, driving motor 14 be connected with worm screw 12 with Suitable for driving worm screw 12 to rotate around the axis of worm screw 12.In this embodiment, worm gear 11 and the fixed form of nut 24 can join Examine the fixed form of the worm gear 11 and nut 24 in manually driving assembly 1.
As shown in Figure 24, Figure 27 and Figure 28, spring lower seat is realized in above-mentioned worm gear structure cooperation screw pair In the 2000 suspension elevating adjusting devices 1000 moved in the up-down direction, one end of worm screw 12 is equipped with lock groove 121, lock groove 121 radially extending along worm screw 12.Second latch assembly 4 includes lock ring 41 and locking bolt 42.Lock ring 41 is fixed under spring On seat 2000, and lock ring 41 is set in outside worm screw 12, and locking bolt 42 is suitable for sequentially passing through a part of the peripheral wall of lock ring 41, lock Only slot 121 is fixed on another part of lock ring 41, and thus spring lower seat 2000 and worm screw 12 are locked by the second latch assembly 4 Only, worm screw 12 is not able to rotate, i.e., worm gear 11, nut 24 cannot move, so that spring lower seat 2000 is fixed, that is to say, that Spring lower seat 2000 is locked at one in multiple adjustment positions, which can be true according to the road conditions of vehicle driving It is fixed.
First latch assembly 3 and the cooperation of the second latch assembly 4 as a result, spring lower seat 2000 can be securely fixed in At a certain adjustment position, locking effect is further strengthened, and the total work for further improving suspension elevating adjusting device 1000 is steady It is qualitative.
In other embodiments as shown in Fig. 1 and Figure 23, driving assembly 1 includes driving pulley 15,16 and of driven pulley Driving motor 14.Driven pulley 16 is driven with driving pulley 15 by transmission belt 17, and driven pulley 16 is coaxially attached to nut So that nut 24 is moved with driven pulley 16 on 24, that is to say, that driven pulley 16 and nut 24 are coaxially disposed, and can one It rises and is rotated around lead screw 23 and along the axial movement of lead screw 23.
Driving motor 14 is connected with driving pulley 15 to be suitable for driving driven pulley 16 around 23 turns of lead screw by transmission belt 17 Dynamic, as shown in Fig. 1 and Figure 23, driving pulley 15 can be connected with the motor shaft of driving motor 14 by spline structure, to drive When the motor shaft rotation of dynamic motor 14, driving pulley 15 is driven to rotate, and then drive driven pulley 16 to rotate by transmission belt 17, Since driven pulley 16 and nut 24 are fixed together, so that nut 24 rotates around lead screw 23 with driven pulley 16 and along silk The axial movement of thick stick 23, thus driving assembly 1 is moved along the vertical direction by seat 2000 under 2 push the spring of transmission component.Letter speech It, above-mentioned driving assembly 1 drives suspension elevating adjusting device 1000 using driving motor 14.
In Fig. 7-some examples shown in Fig. 10, driven pulley 16 has hollow portion, and driven pulley 16, which is arranged, to be fixed on Outside nut 24, driven pulley 16 includes 16 main body 161 of driven pulley and retaining ring 162,16 main body 161 of driven pulley and transmission belt 17 Cooperation, can be used plastics and powdered metallurgical material is manufactured, and retaining ring 162 can be made of metal stamping or plastics.
The fixed form multiplicity of nut 24 and driven pulley 16, in such as Fig. 3 and Fig. 4, Fig. 7 and shown in Fig. 8 some optional Embodiment in, nut 24 is equipped with flange portion 241, and flange portion 241 fixed with driven pulley 16 by threaded fastener, specifically Ground, threaded fastener be it is multiple, flange portion 241 be equipped with multiple threaded fasteners correspond cooperation multiple fastener holes 2411, multiple fastener holes 2411 are arranged along the circumferential uniform intervals of nut 24,16 main body 161 of driven pulley be equipped with it is multiple tight Solid hole 2411 corresponds multiple threaded holes 163 of cooperation, and multiple threaded holes 163 are set along the circumferential uniform intervals of driven pulley 16 It sets, threaded fastener passes through fastener hole 2411 and is threadedly coupled with threaded hole 163, and thus the connection of nut 24 and driven pulley 16 is more Securely.
Specifically, in such as Fig. 5 and Fig. 6, Fig. 9 and other optional embodiments shown in Fig. 10, nut 24 and driven Belt wheel 16 is fixed by fixed structure, and fixed structure includes protrusion 242 and groove 111, and protrusion 242 cooperates with groove 111, thus Nut 24 is connected with driven pulley 16.
In some optional embodiments of the invention, protrusion 242 is located on nut 24, and groove 111 is located at driven pulley On 16.As shown in fig. 6, protrusion 242 is located on the periphery wall that nut 24 and worm gear 11 cooperate, and protrusion 242 is outside nut 24 It radially protrudes the outer surface of peripheral wall.As shown in figure 9, driven pulley 16 has hollow portion, groove 111 is located at hollow portion On the inner surface of peripheral wall.
Optionally, protrusion 242 is multiple, and groove 111 is also multiple, and multiple raised 242 is a pair of with multiple grooves 111 1 The cooperation answered is three in some specific embodiment protrusions 242 of the invention and groove 111, and three 242 Hes of protrusion Three grooves 111 are arranged along the circumferential uniform intervals of nut 24.
Referring to Fig. 1, Figure 23, Figure 24, Figure 27 and Figure 28, zero between nut 24 and spring lower seat 2000 is described Part, i.e., shown in as shown in Figure 1, Figure 23, Figure 24, Figure 27 and Figure 28, be provided between nut 24 and spring lower seat 2000 thrust bearing 51, Third driving member 53 and connection sleeve 54.
In some embodiments as shown in Figure 24, Figure 27 and Figure 28, thrust bearing 51 is folded in nut 24 and spring lower seat Between 2000, and thrust bearing 51 is folded between worm gear 11 and spring lower seat 2000, to transmit nut 24 and spring lower seat Power between 2000, so that spring lower seat 2000 moves along the vertical direction.
In some embodiments shown in as shown in Figure 1, Figure 23, thrust bearing 51 be folded in nut 24 and spring lower seat 2000 it Between, and thrust bearing 51 is folded between driven pulley 16 and spring lower seat 2000, to transmit nut 24 and spring lower seat 2000 Between power, so that spring lower seat 2000 moves along the vertical direction.
Further, as shown in Figure 1, Figure 23, shown in Figure 24, Figure 27 and Figure 28, spring lower seat 2000 by connection sleeve 54 with Locking cylinder 31 is fixed, and in the structure, connection sleeve 54 is arranged the company of being fixed on for seat 2000 under fixed spring, spring lower seat 2000 Outside female connector cylinder 54, connection sleeve 54, which is arranged, to be fixed on outside locking cylinder 31, wherein being between connection sleeve 54 and spring lower seat 2000 Slight interference cooperation press fitting is welded and fixed, and connects and cooperates press fitting between sleeve 54 and locking cylinder 31 for slight interference or be welded and fixed.
Further, as shown in Figure 1, Figure 23, shown in Figure 24, Figure 27 and Figure 28, pressed from both sides between thrust bearing 51 and connection sleeve 54 Equipped with third driving member 53, third driving member 53 is set in outside lead screw 23, third driving member 53 as shown in Figure 12 and Figure 13 Circumferential position is fixed with respect to spring lower seat 2000, locking cylinder 31, third driving member 53 using rivet or screw thread by the way of and spring Lower seat 2000 connects.Third driving member 53 cooperate locking cylinder 31 and lock ring 32 complete the height adjustment of spring lower seat 2000 and Locking.By the way that third driving member 53 is arranged, the stress that can also make thrust bearing 51 more evenly, is convenient for nut 24 and worm gear 11 Or the thrust of driven pulley 16 is conducted to spring lower seat 2000, is also convenient for the stress of spring lower seat 2000 passing to nut 24.
It is successively folded with connection sleeve 54 from the top down for sum up, between spring lower seat 2000 and nut 24, third passes Moving part 53, thrust bearing 51, thus the thrust of nut 24 and worm gear 11 or driven pulley 16 and spring lower seat 2000 can be more It equably conducts, and the stress of thrust bearing 51 is more evenly, the abrasion of thrust bearing 51 can be reduced, be conducive to promote suspension lifting The service life of device 1000 is adjusted, furthermore passes through the cooperation of third driving member 53 and the first latch assembly 3, makes spring lower seat 2000 height adjusts and the structure of locking is simpler, and use is more convenient.
Specifically, thrust bearing 51 is plane thrust bearing 51, and as shown in Figure 12 and Figure 13, third driving member 53 is configured to One cross section is the annular element of substantially " L " type, and prolonging towards locking cylinder 31 for third driving member 53 is arranged in driving face 531 On the part stretched.
Thus the structure of third driving member 53 is simple, and big with the contact area for connecting sleeve 54 and thrust bearing 51, It installs stronger.
Further, suspension elevating adjusting device 1000 can also be anti-including connector 52, the first dust cover 61 and second Dust hood 62.
As shown in Fig. 1 and Figure 23, Figure 24, Figure 27 and Figure 28, connector 52 respectively with 24 phase of spring lower seat 2000 and nut Even, i.e., connector 52 is connected between spring lower seat 2000 and nut 24, for example, connector 52, which is configured to one, is connected to spring Tubular structure part between lower seat 2000 and nut 24.
In some embodiments as shown in Fig. 1 and Figure 23, driving motor 14 is supported on connector 52, connector 52, bullet Seat 2000 and nut 24 limit space under spring, and connector 52, spring lower seat 2000 and nut 24 limit space, thrust bearing 51, third driving member 53, driving pulley 15, driven pulley 16 and transmission belt 17 are located in the space, to make thrust bearing 51, third driving member 53, driving pulley 15, driven pulley 16 guarantee that each component smoothly works, simultaneously from the immersion of silt Also it can guarantee that suspension elevating adjusting device 1000 has longer service life.
In some embodiments as shown in Figure 24, Figure 27 and Figure 28, lock ring 41 is fixed on connector 52, worm screw 12 Both ends pass through bearing 71 respectively and are supported on connector 52, and connector 52, spring lower seat 2000 and nut 24 limit space, only Thrust bearing 51, third driving member 53, worm gear 11 and worm screw 12 are located in the space, to make thrust bearing 51, third driving member 53, worm gear 11 and worm screw 12 guarantee that each component smoothly works from the immersion of silt, while also can guarantee suspension lift adjustment Device 1000 has longer service life.
Shown in as shown in Figure 1, Figure 24 and Figure 28, the first dust cover 61 is connected to the separate spring lower seat 2000 of connection sleeve 54 One end, to the connection opening of sleeve 54 be sheltered from, since locking cylinder 31, lock ring 32, lead screw 23 are respectively positioned on connection sleeve 54 Inside, so that the first dust cover 61 can make locking cylinder 31, lock ring 32, lead screw 23 that can guarantee each against the immersion of silt Component smoothly works, while also can guarantee that suspension elevating adjusting device 1000 has longer service life.
Shown in as shown in Figure 1, Figure 24 and Figure 28, the second dust cover 62 is connected with connector 52, nut 24 respectively, and second is dust-proof Cover 62 is connected to one end of the separate spring lower seat 2000 of nut 24, so that the lower part of nut 24, lead screw 23 is all covered on the In two dust covers 62, to make nut 24 and lead screw 23 that can guarantee that each component smoothly works, simultaneously against the immersion of silt Also it can guarantee that suspension elevating adjusting device 1000 has longer service life.
Optionally, connector 52, the first dust cover 61 and the second dust cover 62 all can be TPV (Thermoplastic Vulcanizate, thermoplastic elastomer (TPE)) material or rubber material be made.
Driving assembly 1 it is various informative, in some embodiments, driving assembly 1 includes manual wrench, is set on manual wrench There is holding section, nut 24 is adapted to holding section, to drive nut 24 to move with respect to lead screw 23 by manual wrench.
It is described referring to Fig. 1 and Figure 23, assembling process according to an embodiment of the present invention:
In the structure, screw part 231 uses hollow structure, and screw part 231 is matched with fixed part 232 for small―gap suture It closes, should be first connected and fixed driven pulley 16 and nut 24 before screw part 231 is assembled with fixed part 232, assembled suitable Sequence are as follows: the second dust cover 62 is set with and is pressed on fixed part 232, is then pressed into the screw part 231 being pre-installed Screw part 231 and fixed part 232 are then welded and fixed or are fixed with circlip 25, then in screw part by design position Lubricating grease is coated in 231 outsides, and then the transmission belt 17 cooperated with driven pulley 16 is sleeved on driven pulley 16, is then placed in Lock ring 32 is then fixed on setting for fixed part 232 with circlip 25 or welding manner by thrust bearing 51, third driving member 53 Position is counted, the combination that locking cylinder 31, connection sleeve 54 and spring lower seat 2000 are pre-installed then is assembled to design position, then Driving motor 14, driving pulley 15 and connector 52 are connected with connection bolt 63 with spring lower seat 2000, sealed, finally will First dust cover 61 and the second dust cover 62 are assembled to corresponding position by design requirement.Optionally, when fixed part 232 is When the cylinder block 4000 of damper, the assembly of other components of damper is had no effect on.
Referring to Fig. 1 and Figure 23 and Fig. 2 is combined, is with the suspension elevating adjusting device 1000 of V belt translation drive form Example, is described in detail the course of work of suspension elevating adjusting device 1000 according to an embodiment of the present invention:
When needing to adjust the height of vehicle body, driving motor 14 forward or reverse, so that driving pulley 15 be driven to rotate, is led Movable belt pulley 15 drives driven pulley 16 to rotate by transmission belt 17, drives nut 24 around lead screw by the positive and negative rotation of driven pulley 16 23 rotate and move up and down along lead screw 23, and nut 24 is driven by thrust bearing 51, third driving member 53 and connection sleeve 54 Spring lower seat 2000 moves up and down, and lead screw 23 can be fixed in fixed plate 5000, and spring lower seat 2000 is in locking cylinder 31 and lock It only only moves, can not be rotated around lead screw 23 along the vertical direction under the guiding role of ring 32.
In this embodiment, the first latch assembly 3 carries out locking using spring pen principle, by lock ring 32, locking cylinder 31 And the cooperation of third driving member 53 is completed.By three lockings protrusion, 322 rotation of lock ring 32 to 31 corresponding three, locking cylinder In locking groove 312, the reversion of driving motor 14 makes locking cylinder 31 drop down onto the height matched with lock ring 32, i.e. locking cylinder 31 is fallen When only supporting to the end of corresponding length locking groove 312 and locking protrusion 322, locking is completed.
As shown in Fig. 2, when needing to adjust height and only adjusting single order, as shown in Figure 1, spring lower seat 2000 is in lower limit It sets, i.e. extreme lower position, to be lifted single order height, driving motor 14 rotates forward at this time, and spring lower seat 2000 is raised to and is higher by highest Position (corresponding to locking protrusion 322 from the position that the locking groove 312 of locking cylinder 31 is deviate from), even if locking protrusion 322 and the Three driving members 53 contact and continue to rise, and make the second ring using the wedge shape space that the end face of driving face 531, locking cylinder 31 is formed Shape portion 324 (locking protrusion 322) rotates to the position of next locking groove 312 of locking cylinder 31 along driving face 531, so The reversion of driving motor 14 afterwards makes locking cylinder 31 drop down onto the height matched with locking protrusion 322；If desired once adjustment two ranks or When multistage, above-mentioned movement is needed, is only detached from locking protrusion 322 with third driving member 53 when driving motor 14 inverts, And after being higher by the highest point on driving face 531, driving motor 14 is changed to rotate forward, and locking protrusion 322 is made to be caught in locking cylinder 31 In next one locking groove 312；It needs to adjust several ranks, just be repeated several times, the last reversion of driving motor 14 drops down onto locking cylinder 31 The height matched with locking protrusion 322.
Referring to Figure 24 and Figure 27, by taking the suspension elevating adjusting device 1000 of manual actuation form as an example, detailed description The course of work of suspension elevating adjusting device 1000 according to an embodiment 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 snail In the slot that bar 12 opens up, rocker arm portion 132 is pushed, 12 positive and negative rotation of worm screw is driven by the rotation of shaft 131, realizes worm gear 11 Rotation, and drive nut 24 to rotate around lead screw 23 by the positive and negative rotation of worm gear 11 and moved up and down along lead screw 23, nut 24 passes through Thrust bearing 51, third driving member 53 and connection sleeve 54 drive spring lower seat 2000 to move up and down, and lead screw 23 can be fixed In fixed plate 5000, spring lower seat 2000 is only moved in locking cylinder 31 under the guiding role of lock ring 32 along the vertical direction, It can not be rotated around lead screw 23.
Wherein, adjustment process of the spring lower seat 2000 between multiple adjustment positions, the reality with the transmission of above-mentioned transmission belt 17 Process described in applying is similar, again no longer narration in detail, the difference is that in this embodiment, the positive and negative rotation of nut 24 is It is realized by the positive and negative rotation of manual rocker 13.
When spring lower seat 2000 is moved to predetermined adjustment positions, lock-nut 24 is inserted into lock ring 41 and lock groove 121 It is interior and lock-nut 24 and lock ring 41 is fixed, so that spring lower seat 2000 is locked at predetermined adjustment positions.
When needing to adjust bodywork height again, first lock-nut 24 is extracted out, when unlocking worm screw 12, and is repeated above-mentioned Adjustment process.
The adjustment process of the suspension elevating adjusting device 1000 of electric drive form as shown in figure 28, be referred to Figure 24 and The adjustment process of the suspension elevating adjusting device 1000 of manual actuation form shown in Figure 27, the difference is that in the embodiment In, the positive and negative rotation of nut 24 is realized by the positive and negative rotation of driving motor 14.
For to sum up, suspension elevating adjusting device 1000 according to an embodiment of the present invention is that one kind is not changing spring In the case that 3000 circumferential locations, i.e. guarantee spring lateral force direction are constant, 2000 vertical direction of seat under adjustment spring Position, thus realize raise and reduce bodywork height, to adapt to the adjustment device of different loads and road conditions.The suspension rising-falling tone Engagement positions 1000, structure is simple, reliable, can be needed to realize multistage adjusting according to client.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height 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. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (26)

1. a kind of suspension elevating adjusting device characterized by comprising
Component is adjusted, 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 moved between multiple adjustment positions；Wherein
The adjustment component includes the first latch assembly, and first latch assembly includes:
Lock ring, the lock ring include at least one set of locking protrusion, and every group of locking protrusion includes a locking protrusion；
Locking cylinder, the locking cylinder are connected with the spring lower seat, and the locking cylinder is equipped with convex at least one set of locking Play one-to-one at least one set of locking groove, every group of locking groove includes extending along the up and down direction and length is unequal Multiple locking grooves, the multiple locking groove and the multiple adjustment position correspond；
Wherein, the locking cylinder is arranged to removable along the up and down direction, and the locking protrusion is arranged to switchably enter In one in multiple locking grooves of corresponding group, and described one in the locking protrusion and multiple locking grooves When a end is only supported, the locking protrusion and the locking cylinder locking, the spring lower seat are fixed on the corresponding adjustment Position.
2. suspension elevating adjusting device according to claim 1, which is characterized in that the adjustment component further include:
Driving assembly；
Transmission component, the transmission component are connected with the driving component, and the driving component is driven by the transmission component The locking cylinder is moved along the up and down direction, and the transmission component and the locking cylinder cooperate to drive the locking protrusion Switchably enter in one in multiple locking grooves of corresponding group.
3. suspension elevating adjusting device according to claim 2, which is characterized in that the transmission component includes:
The axial direction of first driving member, first driving member is parallel with the up and down direction；
Second driving member, second driving member are connected with the driving component and are arranged under the driving of the driving component Around the axial rotation and along the axial movement；
Third driving member, the third driving member are clamped between second driving member and the locking cylinder to push the lock Only cylinder is moved along the up and down direction, and the third driving member is equipped with multiple driving faces, and each driving face is suitable for Cooperate the two neighboring locking to drive the locking protrusion switchably to enter corresponding group with the end face of the locking cylinder In one in groove.
4. suspension elevating adjusting device according to claim 3, which is characterized in that the multiple locking groove is along the lock Only cylinder is provided at circumferentially spaced on the peripheral wall of the locking cylinder.
5. suspension elevating adjusting device according to claim 4, which is characterized in that multiple driving faces are along the lock Only cylinder is provided at circumferentially spaced, and each driving face is configured to along the circumferential from far from the locking cylinder of the locking cylinder End face to close to the locking cylinder end slope extend inclined-plane.
6. suspension elevating adjusting device according to claim 3, which is characterized in that in the locking cylinder and the lock ring One be fixed on first driving member, another in the locking cylinder and the lock ring is fixed under the spring On seat；
One one equipped in guide groove and guide protrusions in the locking cylinder and the lock ring, the locking Described another in cylinder and the lock ring is equipped with another in the guide groove and the guide protrusions, the guiding Slot extends along the up and down direction.
7. suspension elevating adjusting device according to claim 6, which is characterized in that the transmission component includes feed screw nut Pair, the lead screw of the screw pair constitute first driving member, and the nut of the screw pair constitutes described second and passes Moving part, the lock ring are fixed on the lead screw.
8. suspension elevating adjusting device according to claim 7, which is characterized in that the lock ring includes coaxial arrangement First annular portion, the second ring part and third ring part, second ring part are located at the first annular portion and the third Between the ring part and relatively described first annular portion and the third ring part can be rotated around the axis of the lock ring；
Wherein, the guide protrusions are located in the first annular portion, and the third ring part is fixed with the lead screw, the lock Only protrusion is fixed on second ring part.
9. suspension elevating adjusting device according to claim 8, which is characterized in that the lead screw includes:
Screw part, the screw part and the nut cooperate；
Fixed part, the fixed part are fixedly connected with the screw part, and the fixed part is configured to cylinder, and described Three ring parts, which are arranged, to be fixed on the cylinder.
10. suspension elevating adjusting device according to claim 9, which is characterized in that the lead screw further include:
Backstop flange, the backstop flange are located at one end of the screw part and extending radially outwardly and surpass along the cylinder The outer periphery of the screw part out.
11. suspension elevating adjusting device according to claim 10, which is characterized in that the backstop flange is arranged and welds It is fixed on the cylinder；Or
The backstop flange and the screw part are integrally formed and are fixed on the cylinder by circlip.
12. suspension elevating adjusting device according to claim 9, which is characterized in that the cylinder is open tubular column or solid Column.
13. suspension elevating adjusting device according to claim 9, which is characterized in that the cylinder is open tubular column, described outstanding A part of the cylinder block of the damper of frame constitutes the open tubular column.
14. suspension elevating adjusting device according to claim 7, which is characterized in that the driving component includes:
Worm gear, the worm gear are coaxially attached on the nut；
Worm screw, the worm screw engage with the worm gear；
Driving motor, the driving motor is connected with the worm screw is suitable for driving the worm screw to rotate.
15. suspension elevating adjusting device according to claim 7, which is characterized in that the driving component includes:
Worm gear, the worm gear are coaxially attached on the nut；
Worm screw, the worm screw engage with the worm gear；
Manual rocker, the manual rocker is connected with the worm screw is suitable for driving the worm screw to rotate.
16. suspension elevating adjusting device according to claim 14 or 15, which is characterized in that further 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.
17. suspension elevating adjusting device according to claim 16, which is characterized in that the spring lower seat passes through connector sleeve Cylinder is fixed with the locking cylinder, and the connection sleeve, which is arranged, to be fixed on outside the locking cylinder；The thrust bearing and the connection The third driving member is folded between sleeve, and the third driving member is set in outside the lead screw.
18. suspension elevating adjusting device according to claim 17, which is characterized in that further include: connector, the connection Part is connected with the spring lower seat and the nut respectively, and the both ends of the worm screw pass through bearing respectively and are supported on the connector On, the thrust bearing, the third driving member, the worm gear and the worm screw are located at the connector, the spring lower seat In the space limited with the nut.
19. suspension elevating adjusting device according to claim 14 or 15, which is characterized in that the nut is equipped with flange Portion, the flange portion are 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 It rises and cooperates with the groove, the protrusion is located on one in the nut and the worm gear, and the groove is located at the spiral shell On another in the female and described worm gear.
20. suspension elevating adjusting device according to claim 14 or 15, which is characterized in that one end of the worm screw is equipped with Lock groove, the lock groove are radially extended along the worm screw；
Suspension elevating adjusting device further includes the second latch assembly, and second latch assembly includes:
Lock ring, the lock ring are fixed on the spring lower seat and are set in outside the worm screw；
Locking bolt, the locking bolt is suitable for sequentially passing through a part of the peripheral wall of the lock ring, the lock groove is fixed on The spring lower seat to be fixed at the multiple one adjusted in position on another part of the lock ring.
21. suspension elevating adjusting device according to claim 7, which is characterized in that the driving component includes:
Driving pulley；
Driven pulley, the driven pulley and the driving pulley are coaxially fixed by transmission V belt translation, the driven pulley On the nut；
Driving motor, the driving motor is connected with the driving pulley to be suitable for driving the driven belt by the transmission belt Take turns the axial direction rotation around the lead screw.
22. suspension elevating adjusting device according to claim 21, which is characterized in that the nut is equipped with flange portion, The flange portion is fixed with the driven pulley by threaded fastener；
Or the nut and the driven pulley are fixed by fixed structure, the fixed structure includes protrusion and groove, institute It states protrusion to cooperate with the groove, the protrusion is located on one in the nut and the driven pulley, and the groove is set On another in the nut and the driven pulley.
23. suspension elevating adjusting device according to claim 21, which is characterized in that further include: thrust bearing, it is described to stop Thrust bearing is folded between the nut and the spring lower seat and is folded between the driven pulley and the spring lower seat.
24. suspension elevating adjusting device according to claim 23, which is characterized in that the spring lower seat passes through connector sleeve Cylinder is fixed with the locking cylinder, and the connection sleeve, which is arranged, to be fixed on outside the locking cylinder；The thrust bearing and the connection The third driving member is folded between sleeve, and the third driving member is set in outside the lead screw.
25. suspension elevating adjusting device according to claim 24, which is characterized in that further include: connector, the connection Part is connected with the spring lower seat and the nut respectively, and the driving motor is supported on the connector, the thrust shaft It holds, the third driving member, the driving pulley and the driven pulley are located at the connector, the spring lower seat and described In the space that nut limits.
26. suspension elevating adjusting device according to claim 7, which is characterized in that the driving component includes pulling manually Hand, the manual wrench are equipped with holding section, and the nut is adapted to the holding section.
CN201510846588.7A 2015-11-26 2015-11-26 Suspension elevating adjusting device Active CN106799947B (en)

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Publication number Priority date Publication date Assignee Title
KR102554918B1 (en) * 2016-12-15 2023-07-11 현대자동차주식회사 Suspension apparatus able to adjusting vehucle height

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Publication number Priority date Publication date Assignee Title
CN2589752Y (en) * 2002-12-24 2003-12-03 南海东力减震器有限公司 Shock attenuation device for adjusting car height
DE10237644A1 (en) * 2002-08-13 2004-03-04 Zf Sachs Ag Spring carrier with a height-adjustable spring plate
CN101885297A (en) * 2010-07-09 2010-11-17 江铃汽车股份有限公司 Vehicle height adjusting device
US7926822B2 (en) * 2007-10-31 2011-04-19 Audi, Ag Adjustment device for suspension means
CN202357826U (en) * 2011-11-28 2012-08-01 浙江吉利汽车研究院有限公司 Height adjusting device for chassis of vehicle
CN103003077A (en) * 2010-05-14 2013-03-27 马格纳斯泰尔汽车技术两合公司 Spring-damper unit for adjusting the height of a vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10237644A1 (en) * 2002-08-13 2004-03-04 Zf Sachs Ag Spring carrier with a height-adjustable spring plate
CN2589752Y (en) * 2002-12-24 2003-12-03 南海东力减震器有限公司 Shock attenuation device for adjusting car height
US7926822B2 (en) * 2007-10-31 2011-04-19 Audi, Ag Adjustment device for suspension means
CN103003077A (en) * 2010-05-14 2013-03-27 马格纳斯泰尔汽车技术两合公司 Spring-damper unit for adjusting the height of a vehicle
CN101885297A (en) * 2010-07-09 2010-11-17 江铃汽车股份有限公司 Vehicle height adjusting device
CN202357826U (en) * 2011-11-28 2012-08-01 浙江吉利汽车研究院有限公司 Height adjusting device for chassis of vehicle

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