CN107499209A - Automatically controlled damping regulating system and gas suspension seat - Google Patents
Automatically controlled damping regulating system and gas suspension seat Download PDFInfo
- Publication number
- CN107499209A CN107499209A CN201710850205.2A CN201710850205A CN107499209A CN 107499209 A CN107499209 A CN 107499209A CN 201710850205 A CN201710850205 A CN 201710850205A CN 107499209 A CN107499209 A CN 107499209A
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- CN
- China
- Prior art keywords
- damper
- driver
- gear
- regulating system
- damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/501—Seat suspension devices actively controlled suspension, e.g. electronic control
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to gas suspension chair art, and in particular to a kind of automatically controlled damping regulating system and gas suspension seat, the regulating system include：ECU, detection means, driver, bindiny mechanism and damper；Detection means is detecting the change in location of seat or pressure change；Position or pressure signal are sent to ECU；ECU calculates control signal according to position or pressure signal, and the control signal is sent to driver；Driver can control signal perform corresponding instruction action, driver is connected by bindiny mechanism with damper, to adjust the damping of damper.Automatically controlled damping regulating system provided by the invention can realize automatically adjusting in real time for damping force, ensure seat comfort, Adjustment effect is good, and automaticity is high.
Description
Technical field
The present invention relates to gas suspension chair art, more particularly, to a kind of automatically controlled damping regulating system and has the mechanism
Gas suspension seat.
Background technology
The damping of present commercial vehicle pneumatic suspension seat is adjustable increasingly to be popularized, and is had and is gradually become becoming for standard configuration
Gesture.But the damping adjustable mechanism of all commercial vehicle pneumatic suspension seats is all to use to open gear control by bracing wire currently on the market
Close and connected with the handle of damping adjustment, driving switch is divided into several mechanical gears, often presses and once corresponds to a fixed bit
Put, the position for damping adjustment handle will also be changed by bracing wire, so as to realize the adjustment of damping force.
This damping method of adjustment form is single, it is necessary to is passively adjusted by external force intervention, it is impossible in time according to road
Condition makes active accommodation, so as to influence the comfortableness of seat to a certain extent.And due to being to be adjusted by bracing wire to drive, pass through
After working long hours, bracing wire can be elongated or is broken, so as to influence Adjustment effect or can not adjust.
The content of the invention
It is an object of the invention to provide a kind of automatically controlled damping regulating system, the purpose of the automatically controlled damping regulating system is
Solve in the prior art due to manual passive type adjustment, and the technical problem of Adjustment effect difference can only be carried out.
To achieve the above object, the present invention provides following technical scheme：
A kind of automatically controlled damping regulating system, including：ECU, detection means, driver, bindiny mechanism and damper；
The detection means is detecting the change in location of seat or pressure change；By position or pressure signal send to
ECU；
The ECU is capable of position or the pressure signal of receiving detection device output, while according to position or pressure signal meter
Control signal is calculated, and the control signal is sent to driver；
The driver can receive the control signal that the ECU is sent and perform corresponding instruction according to control signal and move
Make, meanwhile, the driver is connected by bindiny mechanism with damper, and driver can adjust damper by bindiny mechanism
Damping.
Further, the damper is damp adjustable damper, it include damper body and with the damping
The oscillating rod for being used to adjust damping of device body connection.
Further, the bindiny mechanism includes housing, rotating disk, sleeve and connecting rod, and the housing is fixed on the damping
It is connected on device and with the driver, the rotating disk, which is installed on the output gear of driver and driven by driver, to be rotated,
For the sleeve set in can be slided up and down along the oscillating rod on the oscillating rod of damper and axially, the rotating disk passes through connecting rod
With the sleeve connection, the rotating disk rotates and drives the oscillating rod of the damper swing by connecting rod, sleeve, with
Damping to damper is adjusted.
Further, the bindiny mechanism includes housing, driving gear, driven gear, and the housing is fixed on the resistance
It is connected on Buddhist nun's device and with the driver, the driving gear is installed on the driver output gear shaft by simultaneously driver
Driving rotation, the driven gear is connected with the oscillating rod of the damper, also, the driving gear and driven gear phase
Engagement connection, the driver drives driving gear rotation, driven gear to rotate successively by operating forward or backwards, so as to drive
The oscillating rod of fluctuation dampers realizes the adjustment of damping size around the axle center reciprocally swinging of damper.
Further, the driving gear is Knucle-gear, and the driven gear is sector gear,
The sector gear is connected with damper swing rod, the center of circle of the sector gear and the center of circle of damper oscillating rod
Coincide, sector gear is meshed with Knucle-gear, and the driver drives Knucle-gear to rotate by operating forward or backwards, knuckle-tooth
Wheel drives sector gear to rotate, so as to drive the oscillating rod of damper to realize damping size around the axle center reciprocally swinging of damper
Adjustment.
Further, the driver uses steering wheel or stepping reducing motor.
Further, in addition to controller, it is electrically connected with driver, and the controller is by controlling the rotation of driver
Direction and rotational angle realize the regulation to damping.
Further, the controller is using stepping formula controlling switch or continuous stepless control adjustment switch.
Further, the detection means includes position sensor or pressure sensor.
With reference to above technical scheme, automatically controlled damping regulating system provided by the invention, seat is detected using detection means
Change in location or pressure change；Position or pressure signal are sent to ECU；The ECU is capable of the position of receiving detection device output
Put or pressure signal, while control signal is calculated according to position or pressure signal, and send control signals to driver；Institute
The control signal of ECU transmissions can be received and perform corresponding instruction action according to control signal by stating driver, meanwhile, the drive
Dynamic device is connected by bindiny mechanism with damper, and driver can adjust the damping of damper by bindiny mechanism.By upper
Automatically controlled damping regulating system is stated, automatically adjusting in real time for damping force can be realized, ensure seat comfort.
Present invention also offers a kind of gas suspension seat, including seat body and automatically controlled damping regulation system as described above
System.
With reference to above technical scheme, gas suspension seat provided by the invention, using there is above-mentioned automatically controlled damping regulating system,
And the automatic regulation function of damping force can be realized by automatically controlled damping regulating system.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the control principle drawing for the automatically controlled damping regulating system that the embodiment of the present invention one provides；
Fig. 2 is the structural representation of the middle damper for the automatically controlled damping regulating system that the embodiment of the present invention one provides；
Fig. 3 is the structural representation of the adjusting means in the automatically controlled damping regulating system that the embodiment of the present invention one provides；
Fig. 4 is the decomposition texture schematic diagram of adjusting means shown in Fig. 3；
Fig. 5 is another structural representation of the adjusting means in the automatically controlled damping regulating system that the embodiment of the present invention one provides
Figure；
Fig. 6 is the structural representation for the automatically controlled damping regulating system that the embodiment of the present invention two provides.
Reference：
1- drivers；2- bindiny mechanisms；21- housings；22- rotating disks；23- sleeves；24- connecting rods；25- driving gears；26- from
Moving gear；3- dampers；31- damper bodies；32- oscillating rods；100- seat bodies；101- base lower frames；102- is sat on basin
Frame；The automatically controlled damping regulating systems of 200-.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment one
Refer to Fig. 1；A kind of automatically controlled damping regulating system is present embodiments provided, the system includes：ECU, detection means,
Driver 1, bindiny mechanism 2 and damper 3.
The detection means is detecting the change in location of seat or pressure change；By position or pressure signal send to
ECU。
Preferably, the detection means includes position sensor or pressure sensor.
Position sensor is installed on the seat, to detect the location variation of seat, and variable quantity is converted into telecommunications
Number send into ECU.
Then pressure variety is converted to electric signal by pressure sensor to detect the pressure change in the air bag of seat
Send into ECU.
The position signalling that the ECU is capable of receiving detection device (i.e. position sensor or pressure sensor) output is (corresponding
Position sensor) or pressure signal (corresponding pressure sensor), meanwhile, ECU can calculate control according to position or pressure signal
Signal processed, and the control signal is sent into driver 1, to drive the driver to act.
In the embodiment, the ECU (i.e. electronic control unit Electronic Control Unit) of use.ECU is by micro-
Manage device (CPU), memory (ROM, RAM), input/output interface (I/O), analog-digital converter (A/D) and shaping, driving etc. greatly
Scale integrated circuit forms.ECU is used for position or the pressure signal that receiving detection device is sent, and sends control signals to drive
Dynamic device 1.
In the embodiment, driver 1 preferably uses steering wheel or stepping reducing motor, and the driver of above two type has
The features such as flexible, easy to install is controlled, it is of course also possible to use the mode such as driving piston, to reach same drive
Dynamic purpose.
The driver 1 can receive the control signal that the ECU is sent and perform corresponding instruction according to control signal
Action, for example, when driver uses steering wheel or stepping reducing motor, perform forward or reverse action.Meanwhile the driver
1 is connected by bindiny mechanism 2 with damper 3, and driver 1 can adjust the damping of damper 3 by bindiny mechanism 2.
It refer to Fig. 2；For the damper 3 used in this implementation for damp adjustable damper, it includes damper body 31
And the oscillating rod 32 for being used to adjust damping being connected with the damper body 31.Because adjustable damping device belongs to existing skill
Art field category, therefore, no longer the concrete structure and principle of the damper are repeated in this implementation.
It refer to Fig. 3；In this implementation, bindiny mechanism 2 is to accept driver 1 and adjustable damping device 3, that will drive
The power of device 1 is transferred to the damper 3.
The bindiny mechanism 2 can use multiple structural forms, in the present embodiment, the company of preferably two kinds different structure forms
Connection mechanism 2 illustrates.
Structure type one：
It refer to Fig. 3 and Fig. 4；The bindiny mechanism 2 includes housing 21, rotating disk 22, sleeve 23 and connecting rod 24, and housing 21 is fixed
In on the damper 3, also, housing 21 is connected with the steering wheel, and rotating disk 22 is installed on the output gear of driver 1 simultaneously
Rotation is driven by driver 1, sleeve 23 is set on the oscillating rod 32 of damper 3, and sleeve 23 can be along the oscillating rod
32 axial directions are slided up and down, and rotating disk 22 is connected by connecting rod 24 with the sleeve 23, and rotating disk 22 rotates and passes through connecting rod
24th, sleeve 23 drives the oscillating rod 32 of the damper 3 swing, and is adjusted with the damping to damper 3.
Structure type two：
It refer to Fig. 5；The bindiny mechanism 2 includes housing 21, driving gear 25, driven gear 26, and housing 21 is fixed on resistance
Be connected on Buddhist nun's device 3 and with driver 1, driving gear 25 be installed on the output gear shaft of driver 1 by and driver 1 drive rotation
Turning, driven gear 26 is connected with the oscillating rod 32 of damper 3, also, driving gear 25 and driven gear 26 are meshed connection,
By operating drive successively forward or backwards, driving gear 25 rotates driver 1, driven gear 26 rotates, so as to drive damper
3 oscillating rod 32 realizes the adjustment of damping size around the axle center reciprocally swinging of damper 3.
Preferably, driving gear 25 uses Knucle-gear, and driven gear 26 uses sector gear.
During specific assembling, hole can be disposed radially on the inner periphery of sector gear, the hole passes through bolt and damping
The swing rod of device 3 is connected, and the center of circle and the center of circle of the oscillating rod 32 of damper 3 of sector gear coincide, sector gear and Knucle-gear
It is meshed, the driver 1 drives Knucle-gear to rotate by operating forward or backwards, and Knucle-gear drives sector gear to rotate, from
And the oscillating rod 32 of damper 3 is driven around the axle center reciprocally swinging of damper 3, realize the adjustment of damping size.
Using the bindiny mechanism 2 of above two different structure form, can be delivered to the rotation of driver 1 can resistance trimming
The oscillating rod 32 of Buddhist nun's device 3, the accuracy and reliability of transmission are ensured, realize real-time accurate adjustment function., can in transmittance process
So that the anglec of rotation for the oscillating rod 32 that damper 3 adjusts is suitably enlarged in the anglec of rotation phase with driver 1 in proportion
It is corresponding.
In addition, in order to increase the diversification to driver control, the automatically controlled damping regulating system that provides in the present embodiment
In, in addition to controller, the controller electrically connect with driver, the controller is by controlling the rotation direction of driver and turning
Dynamic angle realizes the regulation to damping.
Preferably, the controller can use stepping formula controlling switch or continuous stepless control adjustment switch, with
User is facilitated to carry out the control selections of diversified forms to driver.
The automatically controlled damping regulating system that the present embodiment provides uses to be driven by steering wheel (or stepping reducing motor), passes through connection
Mechanism 2 is connected with the adjustment oscillating rod 32 of damper 3, controls steering wheel (or stepping reducing motor) to turn by certain angle by ECU
It is dynamic, while also the adjustment oscillating rod 32 with fluctuation dampers 3 presses corresponding angular turn, to reach the purpose of damping adjustment.
Because the rotation of steering wheel (or stepping reducing motor) is controlled by ECU, it is possible to by gas suspension seat
Detection means (including position sensor or pressure sensor) according to perceive seat position (pressure) situation of change, with time control
Steering wheel (or stepping reducing motor) action processed, so as to which the oscillating rod with fluctuation dampers adjustment damping rotates, realize damping size
Adjustment, it can thus realize that active damping adjusts automatically according to the position of gas suspension seat or pressure changing, increase
The comfort property of seat is added.
Furthermore it is also possible to steering wheel (or stepping reducing motor) external controller (i.e. button switch), to steering wheel (or stepping
Reducing motor) gear or stepless control are carried out, the multiple-rank control of steering wheel or (stepping reducing motor) or stepless control are realized, so as to
Realize stepping adjustment or the stepless changing of damper 3.
The driver 1 provided in this implementation is rigidly fixed in the top of the piston rod of adjustable damper 3, synchronous with piston rod
Elevating movement, the rotary shaft of driver 1 are connected with the damping adjustment oscillating rod 32 of adjustable damper 3 by bindiny mechanism 2, this
Sample, the rotation can of driver 1 pass to the oscillating rod 32 of damper 3.ECU controls the rotation of driver 1 by instructing
Angle, the adjustment oscillating rod 32 with fluctuation dampers 3 follow rotation, so as to realize the adjustable of damping.Detection means is arranged on seat
Inside, can detect the pressure change in the change in location or air bag of seat, and detection means can be suspended by sensing seat
The pressure change in change in location or air bag in journey, signal is passed into ECU, ECU controls driver 1 by respective algorithms
Whether need to rotate or rotate how many angle, be so achieved that the damping of gas suspension seat is actively adjustable.Driver 1 simultaneously
It is connected by wire with controller, controller is fixed on the side board of seat, and controller can be stepping formula switch, also may be used
To be that continuously adjustable handle type switchs, human pilot can also realize point of seat damping by pressing or pulling controller
Shelves adjustment or stepless continuous adjustment.
The automatically controlled damping regulating system that the present embodiment provides, there are two kinds of damping methods of adjustment, compared to prior art
Speech, can not only make active accommodation according to road conditions in time, can also carry out stepping or electrodeless adjustment according to use demand, have
The advantages of various informative is adjusted, ensures the comfortableness that seat uses.
Embodiment two
It refer to Fig. 6；Present embodiments provide a kind of gas suspension seat, including seat body 100 and as described above
Automatically controlled damping regulating system 200.
As an optimal technical scheme, the outer barrel lower end of the damper 3 in the automatically controlled damping regulating system and seat
The base lower frame 101 of body 100 is be hinged, and the piston rod upper end of damper 3 is hinged with the basin upper ledge 102 of sitting of seat body 100, seat
During the suspension lifting of chair body 100, the piston rod of adjustable damper 3 is moved up and down in outer barrel, to seat body
Damping corrective action is played in 100 lifting.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, either which part or all technical characteristic are carried out
Equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case.
Claims (10)
- A kind of 1. automatically controlled damping regulating system, it is characterised in that including：ECU, detection means, driver, bindiny mechanism and damping Device；The detection means is detecting the change in location of seat or pressure change；Position or pressure signal are sent to ECU；The ECU is capable of position or the pressure signal of receiving detection device output, while is calculated according to position or pressure signal Control signal, and the control signal is sent to driver；The driver can receive the control signal that the ECU is sent and perform corresponding instruction action according to control signal, Meanwhile the driver is connected by bindiny mechanism with damper, driver can adjust damper by bindiny mechanism Damping.
- 2. automatically controlled damping regulating system according to claim 1, it is characterised in that the damper hinders for damp adjustable Buddhist nun's device, its oscillating rod for being used to adjust damping for including damper body and being connected with the damper body.
- 3. automatically controlled damping regulating system according to claim 2, it is characterised in that the bindiny mechanism includes housing, turned Disk, sleeve and connecting rod, the housing are fixed on the damper and are connected with the driver, and the rotating disk is installed on drive Driven on the output gear of dynamic device and by driver and rotated, the sleeve set is on the oscillating rod of damper and can be along described Oscillating rod is axially slided up and down, and the rotating disk is rotated by connecting rod and the sleeve connection, the rotating disk and passes through connecting rod, sleeve Drive the oscillating rod of the damper swing, be adjusted with the damping to damper.
- 4. automatically controlled damping regulating system according to claim 2, it is characterised in that the bindiny mechanism includes housing, master Moving gear, driven gear, the housing are fixed on the damper and are connected with the driver, the driving gear peace Loaded on the oscillating rod for driving rotation, the driven gear and the damper on the driver output gear shaft by simultaneously driver It is connected, also, the driving gear and driven gear are meshed connection, and the driver by operating successively forward or backwards Driving gear is driven to rotate, driven gear rotation, it is real so as to drive the oscillating rod of damper around the axle center reciprocally swinging of damper Now damp the adjustment of size.
- 5. automatically controlled damping regulating system according to claim 4, it is characterised in thatThe driving gear is Knucle-gear, and the driven gear is sector gear,The sector gear is connected with damper swing rod, and the center of circle of the sector gear is mutually overlapping with the center of circle of damper oscillating rod Close, sector gear is meshed with Knucle-gear, and the driver drives Knucle-gear to rotate by operating forward or backwards, Knucle-gear band Dynamic sector gear rotates, so as to drive the oscillating rod of damper to realize the tune for damping size around the axle center reciprocally swinging of damper It is whole.
- 6. automatically controlled damping regulating system according to claim 1, it is characterised in that the driver uses steering wheel or stepping Reducing motor.
- 7. the automatically controlled damping regulating system according to claim any one of 1-6, it is characterised in that also including controller, its Electrically connected with driver, the controller realizes the regulation to damping by the rotation direction and rotational angle that control driver.
- 8. automatically controlled damping regulating system according to claim 7, it is characterised in that the controller is controlled using stepping formula Switch or continuous stepless control adjustment switch.
- 9. the automatically controlled damping regulating system according to claim any one of 1-6, it is characterised in that the detection means includes Position sensor or pressure sensor.
- A kind of 10. gas suspension seat, it is characterised in that the electricity including seat body and as described in claim any one of 1-9 Control damping regulating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710850205.2A CN107499209A (en) | 2017-09-19 | 2017-09-19 | Automatically controlled damping regulating system and gas suspension seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710850205.2A CN107499209A (en) | 2017-09-19 | 2017-09-19 | Automatically controlled damping regulating system and gas suspension seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107499209A true CN107499209A (en) | 2017-12-22 |
Family
ID=60697897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710850205.2A Pending CN107499209A (en) | 2017-09-19 | 2017-09-19 | Automatically controlled damping regulating system and gas suspension seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107499209A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576773A (en) * | 2019-09-27 | 2019-12-17 | 太原科技大学 | nonlinear adjustable rhombus seat suspension |
| CN110745044A (en) * | 2019-10-18 | 2020-02-04 | 安路普（北京）汽车技术有限公司 | Device, seat and vehicle suspension system for adjusting damping force and height |
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| CN2189083Y (en) * | 1993-12-28 | 1995-02-08 | 刘建平 | Resilience adjustable pneumatic bumper |
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| US20090266662A1 (en) * | 2008-04-29 | 2009-10-29 | Chen-Hui Ko | Shock absorption apparatus for a treadmill |
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| CN106114316A (en) * | 2016-06-30 | 2016-11-16 | 西安科技大学 | A kind of Vehicle damper seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR890003819B1 (en) * | 1985-02-08 | 1989-10-05 | 도기고 가부시기가이샤 | Rotary actuctor |
| CN2189083Y (en) * | 1993-12-28 | 1995-02-08 | 刘建平 | Resilience adjustable pneumatic bumper |
| CN1640715A (en) * | 2004-01-02 | 2005-07-20 | 上海汇众汽车制造有限公司 | Mechanical shock-absorbing type suspension travel automatic regulator |
| US20090266662A1 (en) * | 2008-04-29 | 2009-10-29 | Chen-Hui Ko | Shock absorption apparatus for a treadmill |
| CN202106884U (en) * | 2011-06-14 | 2012-01-11 | 西安科技大学 | Vibration reducing seat capable of adjusting rigidity and damp |
| CN202115387U (en) * | 2011-06-14 | 2012-01-18 | 西安科技大学 | Electromagnetic vehicle seat |
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| CN203856949U (en) * | 2014-03-18 | 2014-10-01 | 长春孔辉汽车科技有限公司 | Novel damping adjustable shock absorber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576773A (en) * | 2019-09-27 | 2019-12-17 | 太原科技大学 | nonlinear adjustable rhombus seat suspension |
| CN110745044A (en) * | 2019-10-18 | 2020-02-04 | 安路普（北京）汽车技术有限公司 | Device, seat and vehicle suspension system for adjusting damping force and height |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |
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