CN1640715A - Mechanical shock-absorbing type suspension travel automatic regulator - Google Patents
Mechanical shock-absorbing type suspension travel automatic regulator Download PDFInfo
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- CN1640715A CN1640715A CN 200410015615 CN200410015615A CN1640715A CN 1640715 A CN1640715 A CN 1640715A CN 200410015615 CN200410015615 CN 200410015615 CN 200410015615 A CN200410015615 A CN 200410015615A CN 1640715 A CN1640715 A CN 1640715A
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Abstract
The present invention relates to a mechanical vebration-absorbing suspension strock automatic midpoint regulator. Said midpoint regulator includes reciprocating motion mechanism, intermittent motion mechanism, anti-reversion mechanism and rolling spiral driving mechanism. Said invention also provides its working principle, and can utilize full-mechanical mode to automatically retain the suspension strock be in midpoint position.
Description
Affiliated technical field
The present invention relates to a kind of seat (or vehicle) suspension travel (or height) self-checking device, especially realize and have the suspension travel mid point retainer of shock sucking function by full mechanical system automatically.
Background technology
Device adopted manual type slip screw transmission device during traditional seat suspension stroke was transferred, because the friction drag of nut-screw pair is big, driving efficiency is low (being generally 30～40%), for fly drives, also must install effort-saving mechanism (as lever or gear cluster etc.) additional.Though it is simple in structure, dependable performance, cost are lower, because the manual regulation trouble, be not suitable for often changing occupant's occasion, and durability is subjected to the hydraulic shock absorber age limit.
Traditional overall height variotrol is mainly used in air suspension and hydro pneumatic suspension.Though air suspension and hydro pneumatic suspension superior performance, and can realize the control of different bodywork heights easily need the outside energy supply, its system architecture complexity, cost is higher, applicability is wideless.Although the confession pumping system can be by the hydraulic efficiency pressure system suspension travels that automatically regulating changes with the load difference after vehicle jolts several times, make suspension travel remain meta, and do not need the outside energy supply, easy to automobile repacking, but be not suitable for heavy duty or low-rate suspension occasion, its hydraulic structure complexity, higher, the yet inconvenience of maintenance of cost.
Summary of the invention
Technical matters to be solved by this invention is: for remedying device adjusting trouble and the limited defective separately of confession pumping system application in the manual accent, the invention provides device in the automatic accent of a kind of mechanical shock and vibration absorption type suspension travel, can keep suspension travel to be in point midway automatically by full mechanical system according to different loads, and have certain shock sucking function.
The technical solution adopted for the present invention to solve the technical problems is: be installed between sprung weight and unsprung weight after the device series connection with axle spring with in transferring automatically, utilize the up-and-down movement of suspension, reciprocating mechanism by device in the automatic accent, intermittent motion mechanism, anti-reversing gearbox and rolling screw transmission device, the union end that drives axle spring is done the intermittent reciprocating motion of two-way not constant amplitude by static weight size relative travel mid point, thereby the equilibrium distance in corresponding adjustment axle spring union end and automatic the accent between the device fixed end, and after suspension moves for several times up and down, its balance position is reached and remain on the suspension travel mid point, do not change and do not change with static weight.In addition, because the merit characteristic (resistance to displacement curve) of showing of device is hysteresis loop in axle spring and automatic the accent, has certain absorbing effect, so transmitting ratio of device in can transferring automatically by appropriate design, change the envelope area of hysteresis line, just can decay from the shock and vibration of unsprung weight, thereby this system also can partly or entirely replace the function of damper by the suspension design requirement, damper reduces ride comfort property improvement and manufacturing cost to the impact of sprung weight when avoiding high speed.Because the friction drag of rolling screw transmission device is little, driving efficiency is high (generally more than 90%), make that system performance is stable, reliable operation, be applicable to any suspension occasion that comprises seat and vehicle suspension.
The invention has the beneficial effects as follows: adopt full mechanical system to realize automatically during suspension travel is transferred, improved many defectives of traditional suspension stroke adjusting device, have advantage simple in structure, reliable and stable, that be convenient to promote.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is that suspension travel of the present invention is transferred Chinese style 1/4 auto model figure automatically.
Fig. 2 is that suspension travel of the present invention is transferred Chinese style 1/2 seat illustraton of model automatically.
Fig. 3 be among Fig. 2 embodiment seat suspension face constructional drawing.
Fig. 4 is the plan structure figure of seat suspension among Fig. 2 embodiment.
Fig. 5 is the A-A sectional structure chart of Fig. 3.
The specific embodiment
Below with reference to accompanying drawing the present invention is further described.
1. in the embodiment shown in fig. 1, suspension travel of the present invention transfer automatically Chinese style 1/4 auto model mainly by: vehicle body (1), wheel (2), compression spring (3), automatically transfer in device (4), damper (5) part of etc.ing forms, wherein: compression spring and after device is connected in the accent automatically and damper be installed in parallel between vehicle body and wheel.Its principle of work is: the up-and-down movement that utilizes vehicle suspension, reciprocating mechanism, intermittent motion mechanism, anti-reversing gearbox and rolling screw transmission device by device in the automatic accent, the last union end that drives compression spring is pressed the not intermittent reciprocating of the constant amplitude motion up and down of static weight size relative travel mid point do, thereby the equilibrium distance on the corresponding adjustment compression spring between union end and vehicle body (when static weight increases, the corresponding increase of equilibrium distance; Otherwise then equilibrium distance is corresponding reduces), and after suspension motion for several times up and down, its balance position is reached and remain on the suspension travel mid point, do not change and do not change with static weight.In addition, because the merit characteristic (resistance to displacement curve) of showing of device is hysteresis loop in this compression spring and automatic the accent, has certain absorbing effect, so transmitting ratio of device in can transferring automatically by appropriate design, change the envelope area of hysteresis line, just can decay from traffic blows and vibration, thereby this system also can partly or entirely replace the function of damper by the suspension design requirement, damper improves riding comfort and the manufacturing cost reduction to the impact of vehicle body when avoiding high speed.
2. in embodiment illustrated in fig. 2, suspension travel of the present invention transfer automatically Chinese style 1/2 seat model mainly by: chair body (1), chair pin (2), extension spring (3), automatically transfer in device (4), cut bar (5), grooved rail (6), roller (7) and hinge parts such as (8) and form.Wherein: cut the last fixed end of bar and last grooved rail end by hinge-coupled, the interior roller of the last movable end of cutting bar and last grooved rail connects, and roller can freely roll in last grooved rail; Device and extension spring series connection back one end and following grooved rail end axial restraint in the automatic accent, the other end connects with the interior roller of the following movable end of cutting bar and following grooved rail, and roller can freely roll in the grooved rail down, and the following fixed end of cutting bar passes through hinge-coupled with following grooved rail end; Last grooved rail upside connects with the chair body, and following grooved rail downside connects with the chair pin, and the chair pin is fixed on the floor compartment.Its principle of work is: the up-and-down movement that utilizes seat suspension, reciprocating mechanism, intermittent motion mechanism, anti-reversing gearbox and rolling screw transmission device by device in the automatic accent, the left union end that drives extension spring is pressed the not intermittent reciprocating motion of constant amplitude about static weight size relative travel mid point work, thereby the left union end of corresponding adjustment extension spring and cut equilibrium distance between the following fixed end of bar (when static weight increased, equilibrium distance is corresponding to be reduced; Otherwise, the then corresponding increase of equilibrium distance), and after suspension motion for several times up and down, its balance position is reached and remain on the suspension travel mid point, do not change and do not change with static weight.In addition, because the merit characteristic (resistance to displacement curve) of showing of this seat suspension is a hysteresis loop, has certain absorbing effect, so transmitting ratio of device in can transferring automatically by appropriate design, change the envelope area of hysteresis line, just can decay from the shock and vibration of floor compartment, thereby this system also can partly or entirely replace the function of damper by the suspension design requirement, damper reduces ride comfort property improvement and manufacturing cost to the impact of chair body when avoiding high speed.
Stroke in Fig. 3-5 illustrated embodiment transfer automatically the Chinese style seat suspension mainly by: extension spring (3), automatically transfer in device (4), cut bar (5), grooved rail (6), roller (7), hinge (8) and bump rubber (9) part of etc.ing and form, in the automatic accent device mainly by: ball-screw (41), overriding clutch (42), gear (43), tooth bar (44), connecting rod (45), torsion spring (46) and antifriction-bearing box parts such as (47) are formed.Wherein: cut the last fixed end of bar and last grooved rail end by hinge-coupled, the interior roller of the last movable end of cutting bar and last grooved rail connects, and roller can freely roll in last grooved rail; The nut of ball-screw connects with two extension springs by connector, the screw rod right-hand member of the ball-screw rolling bearing inner ring of packing into, housing washer connects with following grooved rail by connector, the screw rod left end links to each other with the driven axle of overriding clutch, the overriding clutch housing connects with following grooved rail by connector, the imput shaft of overriding clutch links to each other by keyway with gear, the imput shaft left end rolling bearing inner ring of packing into, and housing washer connects with following grooved rail by connector; Two extension spring right-hand members connect with the interior roller of the following movable end of cutting bar and following grooved rail, and roller can freely roll in the grooved rail down, and the following fixed end of cutting bar passes through hinge-coupled with following grooved rail end; Small end connects with last grooved rail by connector, the lower end respectively with two L shaped tooth bars up and down by hinge-coupled, up and down two L shaped tooth bars by torsion spring mutually and close, wheel and rack is meshing with each other; About two bump rubbers are installed in respectively down on the grooved rail, to the buffer limit effect of having moved of suspension bound.Its principle of work is: from the midstroke setting in motion, when the downward compression movement of suspension made the following tooth bar of gear disengaging contact with upper rack, upper rack was made a concession gear (around connecting rod lower end hinge anticlockwise motion) as if suspension, and gear enters stop state; When suspension transferred upwards recovery motion to, upper rack was subjected to the reset response and the gear mesh of torsion spring, and the driven wheel clockwise direction rotates, and by overriding clutch and ball-screw, drive the extension spring left end and be moved to the left, the tension extension spring raises the balance position of suspension; If when suspension continuation upward movement made gear disengaging upper rack contact with following tooth bar, following tooth bar was made a concession gear (rotating around connecting rod lower end hinge clockwise direction), gear enters stop state; When suspension transferred downward compression movement to, following tooth bar was subjected to the reset response and the gear mesh of torsion spring, driven wheel anticlockwise motion, and by overriding clutch and ball-screw, drive the extension spring left end and move right, loosen extension spring, the balance position of suspension is reduced; If suspension continues to move downward gear is broken away from when tooth bar contacts with upper rack down, repeat said process; Move in circles by this rule, drive extension spring left end and suspension balance position and do the intermittent reciprocating motion.When static weight was bigger than normal, the balance position of suspension reduced than midstroke, and the driving stroke of upper rack after suspension moves for several times up and down, makes the balance position of suspension progressively be increased to midstroke greater than following tooth bar at this moment; When static weight was less than normal, the balance position of suspension raise than midstroke, and the driving stroke of tooth bar after suspension moves for several times up and down, makes the balance position of suspension progressively be reduced to midstroke greater than upper rack under this moment; Thereby make the balance position of suspension remain at midstroke, do not change and do not change with static weight.
Automatically the architectural feature of device is in transferring: when suspension travel is in point midway, Gear axis should with the boundary of tooth bar up and down Line alignment, this boundary line are the lower dead line of upper rack rotation and the upper dead line that lower tooth bar rotates. When gear move both vertically to Up and down during stop when the tooth bar boundary line is done the convergence motion relatively up and down (gear) enters driving condition; Supreme lower tooth moves both vertically (when the relative up and down tooth bar boundary line of gear is done away from motion) enters stop state during the bar boundary line; So just can avoid tooth bar Impact and noise during the beginning driven wheel improve riding comfort and rack pinion life-span. In the bending that guarantees the gear teeth Under the prerequisite of contact strength, be to strengthen registration, reduce the assembly precision requirement, answer the involute gear of selection of small profile angle And tooth bar. Under the prerequisite of assembly space and weight permission, for improving tooth bar to driven nature and the deformability of gear, should be rationally true The arm of force length of fixed L shaped tooth bar makes tooth bar end up and down the pressure angle of engagement place less than the angle of this place's radius of gyration and reticule. For reducing the volume and weight of device in automatic the accent, should select the gear of minor diameter, and match little helical pitch type ball-screw. For preventing Ball-screw reverses, select CKS type Bidirectional wedge block type freewheel clutch (or the unidirectional roller-type overrunning clutch of band pusher dog type) with Screw rod connects, and its effect is: stop extension spring oppositely to drive the bolt rotary of ball-screw, make the gear drive can only be by surmounting The driving shaft of clutch is to the driven axle one-way transmission. Because the rolling bearing of ball-screw screw rod right-hand member need bear from extension spring Axial load, so should select angular contact bearing (or thrust bearing). Because the rolling bearing of freewheel clutch driving shaft left end only Bear the radial load from gear, so can select the zanjon bearing.
Claims (4)
1. a seat (or vehicle) suspension travel (or height) self-checking device can keep suspension travel to be in point midway automatically by full mechanical system according to different loads, and have certain shock sucking function; It is characterized in that: mainly partly form, be installed between sprung weight and unsprung weight after device and the axle spring series connection in transferring automatically by reciprocating mechanism, intermittent motion mechanism, anti-reversing gearbox and rolling screw transmission device etc.
2. seat according to claim 1 (or vehicle) suspension travel (or height) self-checking device, it is characterized in that: the up-and-down movement that utilizes suspension, reciprocating mechanism by device in the automatic accent, intermittent motion mechanism, anti-reversing gearbox and rolling screw transmission device, the union end that drives axle spring is done the intermittent reciprocating motion of two-way not constant amplitude by static weight size relative travel mid point, thereby the equilibrium distance in corresponding adjustment axle spring union end and automatic the accent between the device fixed end, and after suspension moves for several times up and down, its balance position is reached and remain on the suspension travel mid point, do not change and do not change with static weight.
3. seat according to claim 1 (or vehicle) suspension travel (or height) self-checking device, it is characterized in that: because the merit characteristic (resistance to displacement curve) of showing of device is hysteresis loop in axle spring and automatic the accent, has certain absorbing effect, so transmitting ratio of device in can transferring automatically by appropriate design, change the envelope area of hysteresis line, just can decay from the shock and vibration of unsprung weight, thereby partly or entirely replace the function of damper by the suspension design requirement.
4. seat according to claim 1 (or vehicle) suspension travel (or height) self-checking device, it is characterized in that: when suspension travel is in point midway, Gear axis should align with the boundary line of tooth bar up and down, and this boundary line is the following dead line that upper rack rotates and the last dead line of following tooth bar rotation; When the supreme bottom dead point of gear perpendicular movement, enter driving condition, during the supreme down tooth bar boundary line of perpendicular movement, enter stop state, thus impact and noise when having avoided tooth bar to begin driven wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015615 CN1640715A (en) | 2004-01-02 | 2004-01-02 | Mechanical shock-absorbing type suspension travel automatic regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015615 CN1640715A (en) | 2004-01-02 | 2004-01-02 | Mechanical shock-absorbing type suspension travel automatic regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1640715A true CN1640715A (en) | 2005-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410015615 Pending CN1640715A (en) | 2004-01-02 | 2004-01-02 | Mechanical shock-absorbing type suspension travel automatic regulator |
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| CN (1) | CN1640715A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101622153A (en) * | 2007-02-21 | 2010-01-06 | 凯波有限责任两合公司 | Vehicle seat, particularly commercial vehicle seat |
| CN102619927A (en) * | 2011-01-26 | 2012-08-01 | 格拉默股份公司 | Vehicle vibration means, vehicle seat or passenger cell or vehicle cab |
| CN102616101A (en) * | 2011-01-28 | 2012-08-01 | 日产自动车株式会社 | Vehicle running state control device and vehicle running state control method |
| CN102654171A (en) * | 2008-10-23 | 2012-09-05 | 格拉默股份有限公司 | Spring-mounted vibration system to reduce vibration |
| CN106740335A (en) * | 2017-01-11 | 2017-05-31 | 常州万安汽车部件科技有限公司 | The adjusting method and seat suspension of seat suspension damping |
| CN107499209A (en) * | 2017-09-19 | 2017-12-22 | 安路普（北京）汽车技术有限公司 | Automatically controlled damping regulating system and gas suspension seat |
| CN109050380A (en) * | 2018-08-09 | 2018-12-21 | 北京中科遥数信息技术有限公司 | A kind of unmanned aerial vehicle remote sensing emergency monitoring vehicle |
-
2004
- 2004-01-02 CN CN 200410015615 patent/CN1640715A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101622153A (en) * | 2007-02-21 | 2010-01-06 | 凯波有限责任两合公司 | Vehicle seat, particularly commercial vehicle seat |
| CN102654171A (en) * | 2008-10-23 | 2012-09-05 | 格拉默股份有限公司 | Spring-mounted vibration system to reduce vibration |
| CN101761600B (en) * | 2008-10-23 | 2014-02-05 | 格拉默股份有限公司 | Spring-mounted vibration system to reduce vibration |
| CN102654171B (en) * | 2008-10-23 | 2015-03-11 | 格拉默股份有限公司 | Spring-mounted vibration system to reduce vibration |
| CN102619927A (en) * | 2011-01-26 | 2012-08-01 | 格拉默股份公司 | Vehicle vibration means, vehicle seat or passenger cell or vehicle cab |
| CN102616101A (en) * | 2011-01-28 | 2012-08-01 | 日产自动车株式会社 | Vehicle running state control device and vehicle running state control method |
| CN102616101B (en) * | 2011-01-28 | 2014-12-17 | 日产自动车株式会社 | Vehicle running state control device |
| CN106740335A (en) * | 2017-01-11 | 2017-05-31 | 常州万安汽车部件科技有限公司 | The adjusting method and seat suspension of seat suspension damping |
| CN106740335B (en) * | 2017-01-11 | 2023-05-02 | 常州万安汽车部件科技有限公司 | Seat suspension damping adjustment method and seat suspension |
| CN107499209A (en) * | 2017-09-19 | 2017-12-22 | 安路普（北京）汽车技术有限公司 | Automatically controlled damping regulating system and gas suspension seat |
| CN109050380A (en) * | 2018-08-09 | 2018-12-21 | 北京中科遥数信息技术有限公司 | A kind of unmanned aerial vehicle remote sensing emergency monitoring vehicle |
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