WO2021073650A1 - 一种调节阻尼力和高度的装置、座椅和车辆悬架系统 - Google Patents
一种调节阻尼力和高度的装置、座椅和车辆悬架系统 Download PDFInfo
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- WO2021073650A1 WO2021073650A1 PCT/CN2020/122006 CN2020122006W WO2021073650A1 WO 2021073650 A1 WO2021073650 A1 WO 2021073650A1 CN 2020122006 W CN2020122006 W CN 2020122006W WO 2021073650 A1 WO2021073650 A1 WO 2021073650A1
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- damping force
- adjusting
- gas
- damping
- height
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- 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
- B60N2/502—Seat suspension devices attached to the base of the seat
-
- 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
- B60N2/505—Adjustable suspension including height adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
-
- 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
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
-
- 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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
- B60N2/161—Rods
- B60N2/162—Scissors-like structure
-
- 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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/1635—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
- B60N2/1665—Hydraulic or pneumatic actuation
-
- 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
- B60N2/506—Seat guided by rods
- B60N2/508—Scissors-like structure
-
- 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
- B60N2/52—Seat suspension devices using fluid means
- B60N2/522—Seat suspension devices using fluid means characterised by dampening means
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- 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
- B60N2/52—Seat suspension devices using fluid means
- B60N2/525—Seat suspension devices using fluid means using gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
Definitions
- the invention relates to the field of shock absorbers, in particular to a device for adjusting damping force and height, a seat and a vehicle suspension system.
- the existing suspension system mainly includes two control systems for height adjustment and damping force adjustment. These two control systems are mutually independent systems and each have corresponding control mechanisms. In the manual adjustment mode, it is necessary to press two buttons at the same time to realize the synchronous adjustment of the two control systems, which is inconvenient to operate.
- the most commonly used suspension control system is based on CDC (Continuous Damping Control).
- the suspension control system first uses sensors to collect information and sends the collected information to the electronic control unit.
- the electronic control unit simultaneously calculates the air pressure in the air spring airbag and the damping force of the damper, and sends the calculated control signal to the air spring and the CDC damper at the same time, and controls the air spring and the CDC damper to perform corresponding operations at the same time.
- the present invention is proposed to provide a device, seat and vehicle suspension system for adjusting damping force and height, which overcomes or at least partially solves the above-mentioned problems.
- a device for adjusting damping force and height includes a regulating valve, which is respectively connected to the damping of air source, atmosphere, air spring, and damping element. Force adjustment device connection;
- the regulating valve includes a first cylinder and at least one first control rod slidably arranged in the first cylinder.
- a gas flow connection is generated between the air spring and the air source or the atmosphere, so as to realize the height adjustment of the air spring; and/or the damping force adjustment device of the damping element is made to be in a gas flow connection between the air source and the atmosphere Therefore, the damping force adjusting device for pneumatically driving the damping element performs corresponding operations to control the damping element to output a corresponding damping force, so as to adjust the damping force of the damping element.
- a seat has at least two scissor frame structures that move relative to each other, at least one damping element for shock absorption, and an air spring for height adjustment.
- the seat also includes a damping force adjusting device of the damping element and the above-mentioned device for adjusting damping force and height, the damping element, the air spring, the damping force adjusting device of the damping element and the adjusting damping force and height.
- the positions of the four devices are adapted to each other, and the devices for adjusting the damping force and height are respectively connected with the damping force adjusting device of the damping element and the air spring;
- One end of the device for adjusting damping force and height is connected to one of the scissors frame structure, the other end of the device for adjusting damping force and height is connected to the other scissors frame structure, and the two relatively moving scissors frame
- the relative movement of the structure drives the device for adjusting damping force and height to control the inflation or deflation of the air spring, or the relative movement of the two relatively moving scissor frame structures drives the device for adjusting damping force and height to control
- the damping force adjustment device of the damping element performs corresponding operations to realize seat damping force adjustment.
- a vehicle suspension system includes a vehicle body and at least four wheels, and at least two dampers for shock absorption are arranged between the vehicle body and the wheels. Element and an air spring for height adjustment, the vehicle suspension system further includes a damping force adjusting device for a damping element and the above-mentioned device for adjusting damping force and height, the damping element, the air spring, and the damping element
- the damping force adjustment device of the damping force adjustment device is adapted to the positions of the damping force and height adjustment devices, and the damping force and height adjustment device is respectively connected with the damping force adjustment device of the damping element and the air spring.
- the beneficial effect of the present invention is that the damping force and height adjustment device claimed by the present invention can control the inflation or deflation of the air spring to achieve height adjustment through the relative displacement of the first control rod and the first cylinder with respect to each other.
- the damping force adjustment device of the air-driven damping element performs corresponding operations to control the damping element to output the corresponding damping force to realize the damping force adjustment, that is, to realize the height adjustment of the suspension system or simultaneously realize the height adjustment and the damping force adjustment of the suspension system , So that the shock absorption effect reaches the best state.
- the technical solution of the present invention realizes the synchronous adjustment of height and damping force through electronic control, which improves the sensitivity of height adjustment and damping force adjustment, and further improves comfort
- the technical solution of the present invention makes the driver need not manually adjust the damping force and height during driving, so that the driver's attention is more concentrated, and to a certain extent, the occurrence of traffic accidents can be reduced; and the technical solution of the present invention is composed of It is composed of a linear structure, which is compatible with the height of the suspension system, and is not restricted by the space and installation position of the suspension system. It is convenient to install, low in failure rate, convenient to maintain, and low in cost.
- Figure 1 shows a perspective view of a device for adjusting damping force and height according to an embodiment of the present invention
- Figure 2 shows a front view of a device for adjusting damping force and height according to an embodiment of the present invention
- Figure 3 shows a first cross-sectional view of a device for adjusting damping force and height according to an embodiment of the present invention
- Figure 4 shows a second cross-sectional view of a device for adjusting damping force and height according to an embodiment of the present invention
- Figure 5 shows a perspective view of a control rod according to an embodiment of the present invention
- Fig. 6 shows a perspective view of another control rod according to an embodiment of the present invention.
- Figure 7 (a) shows a cross-sectional view of another device for adjusting damping force and height in a first working state according to an embodiment of the present invention
- Figure 7 (b) shows a cross-sectional view of another device for adjusting damping force and height in a second working state according to an embodiment of the present invention
- Figure 8 shows a perspective view of another device for adjusting damping force and height according to an embodiment of the present invention.
- Figure 9 shows an exploded view of another device for adjusting damping force and height according to an embodiment of the present invention.
- Figure 10 (a) shows a cross-sectional view of another device for adjusting damping force and height in a first working state according to an embodiment of the present invention
- Figure 10(b) shows a cross-sectional view of another device for adjusting damping force and height in a second working state according to an embodiment of the present invention
- Figure 11 shows a perspective view of yet another device for adjusting damping force and height according to an embodiment of the present invention
- Figure 12 shows an exploded view of another device for adjusting damping force and height according to an embodiment of the present invention
- FIG. 13 shows a schematic diagram of the functional structure of a seat according to an embodiment of the present invention.
- FIG. 1 shows a perspective view of a device for adjusting damping force and height according to an embodiment of the present invention.
- the device 10 for adjusting damping force and height includes a regulating valve A, which is respectively connected with The air source, the atmosphere, the air spring and the damping force adjusting device of the damping element are connected;
- the adjusting valve A includes a first cylinder A100 and at least one first control rod A200 slidably arranged in the first cylinder A100, through the first The relative displacement of the control rod A100 and the first cylinder A100 with respect to each other causes a gas flow connection between the air spring and the air source or the atmosphere to realize the height adjustment of the air spring; and/or, the damping force adjustment device of the damping element
- the damping force adjusting device of the damping element includes a device for controlling the swing direction and amplitude of the adjusting pin of the damping element.
- this device is called a driving device for the adjusting pin of the damping element.
- the driving device of the adjusting pin of the damping element mainly includes the following two structures:
- the driving device of the adjusting pin of the first type of damping element includes a gas compression device (such as a cylinder) and a cable control device with a return spring.
- the regulating valve A is connected to the gas compression device, and the gas compression device is connected to the damping device through the cable control device.
- the adjustment pin of the component is connected.
- the driving force of the cable control device becomes larger; when the gas compression device works As the stroke becomes smaller, the driving force of the cable control device becomes smaller.
- the opposite setting can also be made, and the corresponding relationship between the working stroke of the gas compression device and the driving force of the cable control device is not further limited in this embodiment. Since the return force of the cable control device is provided by the return spring, the return force of the cable control device and the driving force of the cable control device are in a linear relationship without changing the return spring.
- the matching relationship between the driving force and the restoring force of the cable control device can be adjusted, so as to drive the adjustment pin of the damping element to reciprocate, that is, the adjustment pin of the damping element is driven.
- the swing direction and swing amplitude control the damping element to output the corresponding damping force to realize the adjustment of the damping force.
- the driving device of the adjustment pin of the second type of damping element includes a gas compression device (for example, a cylinder), the driving rod of the gas compression device is directly connected with the adjustment pin of the damping element, and the adjustment valve A is pneumatically connected with the gas compression device.
- a gas compression device for example, a cylinder
- the gas flow rate inside the regulating valve A itself changes to drive the gas state quantity and the state quantity of the gas inside the gas compression device
- the frequency of change causes the relative displacement between the drive rod of the gas compression device and the cylinder to change, so that the drive rod of the gas compression device drives the adjustment pin of the damping element to reciprocate, that is ,
- the swing direction and swing amplitude of the adjusting pin of the driving damping element are controlled to output the corresponding damping force to realize the adjustment of the damping force.
- the damping force adjusting device of the damping element further includes a proportional valve, which is connected to the valve port of the damping fluid flow cavity of the damping element.
- the regulating valve A is pneumatically connected to the proportional valve.
- the working stroke of the valve changes to control the diameter of the valve port of the damping fluid flow chamber of the damping element. For example, when the working stroke of the proportional valve becomes larger, the diameter of the valve port of the damping fluid flow chamber of the damping element changes. If it is small, the opposite setting can also be made.
- the corresponding relationship between the working stroke of the proportional valve and the diameter of the valve port of the damping fluid flow cavity of the damping element is not further limited.
- the damping element in this embodiment includes CDC dampers and PDC dampers (PDC, Pneumatic Damping Control), etc.
- PDC PDC dampers
- This embodiment does not further limit the type of damping element, and only the damping force of the damping element can be used. Just adjust.
- the above content only enumerates and describes the structure of the damping force adjustment device of the damping element, and other adjustment devices that can adjust the damping force of the damping element are within the protection scope of this embodiment.
- the damping force and height adjustment device claimed in this embodiment can not only control the inflation or deflation of the air spring to achieve height adjustment through the relative displacement of the first control rod and the first cylinder relative to each other, but also can simultaneously drive the damping force.
- the damping force adjustment device of the element performs corresponding operations to control the damping element to output the corresponding damping force to realize the damping force adjustment, that is, to realize the height adjustment of the suspension system or realize the height adjustment and the damping force adjustment of the suspension system simultaneously, so as to reduce the shock The effect reaches the best state.
- the technical solution of this embodiment realizes the synchronous adjustment of height and damping force through electronic control, which improves the sensitivity of height adjustment and damping force adjustment, and further improves comfort; in addition, The technical solution of this embodiment eliminates the need for the driver to manually adjust the damping force and height during driving, so that the driver’s attention is more concentrated, and the occurrence of traffic accidents can be reduced to a certain extent; and the technical solution of this embodiment is linear
- the structure is adapted to the height of the suspension system, and is not restricted by the space and installation position of the suspension system itself, and has convenient installation, low failure rate, convenient maintenance, and low cost.
- the working stroke of the regulating valve A includes at least three displacement threshold ranges, wherein the second displacement threshold range includes the first displacement threshold range, and the third displacement threshold range includes the second displacement threshold range;
- the regulating valve A includes a first cylinder A100 and at least one first control rod A200 slidably arranged in the first cylinder A100.
- the regulating valve mainly has the following three suspension working modes:
- the regulating valve A does not produce a gas flow connection, that is, the air spring and the gas source or There is no gas flow connection between the atmosphere and no gas flow connection between the damping force adjustment device of the damping element and the air source and the atmosphere.
- the air spring is neither inflated nor deflated, and the damping force of the damping element remains The preset base damping force.
- the second levitation working mode when the relative displacement of the first cylinder A100 and the first control rod A200 relative to each other is between the first displacement threshold range and the second displacement threshold range, the air spring and the gas source are connected to the gas flow. , To realize the inflation of the air spring, or create a gas flow connection between the air spring and the atmosphere, and realize the deflation of the air spring. In this case, only the height of the air spring is adjusted, and the damping force of the damping element still maintains the preset basic damping force.
- the air spring and the atmosphere A gas flow connection is generated between them to realize the deflation of the air spring; or, the relative displacement of the first cylinder A100 and the first control rod A200 with respect to each other is from the lower limit of the first displacement threshold range to the second displacement threshold range
- the air spring is connected with the air source to generate air flow to realize the inflation of the air spring.
- the damping force adjusting device of the damping element and the pneumatic causes the air pressure inside the damping force adjustment device of the damping element to change, so that the damping force adjustment device of the air-driven damping element performs corresponding operations to control the damping element to output corresponding damping force and realize the damping of the damping element
- the force is adjusted, and a gas flow connection is generated between the air spring and the air source or the atmosphere to realize the inflation or deflation of the air spring. In this case, the height of the air spring and the damping force of the damping element are adjusted simultaneously.
- the air spring and the atmosphere A gas flow connection is generated between the air springs to deflate the air spring, and the gas flow connection between the damping force adjustment device of the damping element and the air source and the atmosphere makes the air pressure inside the damping force adjustment device of the damping element change, so that the air drives the damping element
- the damping force adjusting device performs corresponding operations to control the damping force of the damping element to increase; or, the relative displacement of the first cylinder A100 and the first control rod A200 with respect to each other is from the lower limit of the second displacement threshold range to the third
- the air spring is connected with the air source to realize the air spring inflation
- the damping force adjusting device of the damping element is connected with the air flow between the air source and the atmosphere, so that the damping element
- the charging and discharging speed of the air spring between the second displacement threshold range and the third displacement threshold range is greater than the charging and discharging speed of the air spring between the first displacement threshold range and the second displacement threshold range.
- the damping force and height adjustment device claimed in this embodiment can control the inflation or deflation of the air spring to achieve height adjustment at different positions, or the damping force adjustment device of the air-driven damping element can perform corresponding operations to control the damping element.
- Output corresponding damping force to achieve damping force adjustment that is, height adjustment at different positions, or simultaneous height adjustment and damping force adjustment, so that the shock absorption effect is adapted to the position change, so that the comfort can reach the best state.
- FIG. 2 shows a front view of a device for adjusting damping force and height according to an embodiment of the present invention
- FIG. 3 shows a front view of a device for adjusting damping force and height according to an embodiment of the present invention
- the first cross-sectional view of the device Figure 4 shows a second cross-sectional view of a device for adjusting damping force and height according to an embodiment of the present invention, as shown in Figures 2-4
- the first cylinder A100 It includes at least one first air inlet A110, a second air inlet A120, a first air outlet A130, a second air outlet A140, a third air outlet A150, a first air outlet A160, and a second air outlet A170;
- An air inlet A110 is connected to the air source, the first air inlet A110 is connected to the first air outlet A130; the first air outlet A130 is connected to the second air inlet A120; the second air outlet A140 is connected to the first air outlet respectively A160 is connected to the damping force adjusting
- the second air outlet A140 and the first air inlet A110 and the first row A gas flow connection is generated between the air ports A160, so that the air pressure inside the damping force adjustment device of the damping element changes, so that the damping force adjustment device of the air-driven damping element performs corresponding operations, controls the damping element to output corresponding damping force, and realizes the damping element
- the third air outlet A150 and the second air inlet A120 have a gas flow connection to realize the inflation of the air spring; or, the second air outlet A140 and the second air inlet A120 and the first exhaust A gas flow connection is generated between the ports A160, so that the air pressure inside the damping force adjustment device of the damping element changes, so that the damping force adjustment device of the air-driven damping element performs corresponding operations to control the damping element to output a corresponding damping force to realize the damping
- the damping force is adjusted, and at the same time the third air outlet A150 and the second air outlet A170 realize the deflation of the air spring.
- the height of the air spring and the damping force of the damping element are adjusted simultaneously to improve comfort and reduce the discomfort caused by rough roads.
- At least four sealing elements A300 are provided between the first cylinder A100 and the first control rod A200, so as to form a continuous separation between the first cylinder A100 and the first control rod A200.
- the gas chamber A400 includes a first gas chamber A410, a second gas chamber A420, a third gas chamber A430, a fourth gas chamber A440, and a fifth gas chamber A450, the first gas chamber A410 is connected to the gas source, the first gas chamber A410 is connected to the third gas chamber A430, and the second gas chamber A420 is connected to the damping force adjusting device of the damping element and the atmosphere respectively; the fourth gas The chamber A440 is connected with the air spring; the fifth gas chamber A450 is connected with the atmosphere.
- the first gas chamber A410 includes a first air inlet A110 and a second air outlet A130
- the second gas chamber A420 includes a second air outlet A140 and a first exhaust port A160
- the third gas chamber A430 includes The second air inlet A120
- the fourth air chamber A440 include a third air outlet A150
- the fifth air chamber A450 includes a second air outlet A170. Since the five gas chambers are separated from each other and continuous with each other, and the first gas chamber A410 and the third gas chamber A430 are in communication, when the first control rod A200 reciprocates in the first cylinder A100, Corresponding gas flow connections are generated in the five gas chambers, thereby realizing height adjustment or simultaneous adjustment of height and damping force, so as to achieve the best comfort.
- FIG. 5 shows a perspective view of a control rod according to an embodiment of the present invention
- FIG. 6 shows a perspective view of another control rod according to an embodiment of the present invention, as shown in FIG. 5 or FIG. 6,
- the first control rod A200 includes at least a first part A210 and a second part A220.
- the second part A220 is disposed at the end of the first part A210.
- the diameter of the first part A210 is smaller than the diameter of the second part A220.
- the longitudinal axis of the second part A220 and the longitudinal axis of the first part A210 coincide with or parallel to each other, and the area difference between the cross section of the first part A210 and the cross section of the second part A220 is used for carrying The gas pressure, so that the first control rod moves under the drive of the gas pressure.
- the second portion A220 includes at least one first axial groove A221.
- the first axial grooves A221 may be located on the same horizontal line or on different horizontal lines, and the shape of the multiple first axial grooves A221 may be The same can also be different.
- the second part of A220 mainly has the following two structures:
- At least one first axial groove A221 is arranged corresponding to the third gas chamber A430. It should be noted here that when the first control rod A200 and the first cylinder A100 are not displaced relative to each other, the first axial groove A221 is correspondingly arranged in the third gas chamber A430, that is, arranged in the first gas chamber A430. Between the second sealing element A320 and the third sealing element A330.
- opening the first axial groove A221 inside the second part can not only connect the second gas chamber A420 and the third gas when the first control rod A200 and the first cylinder A100 are relatively displaced relative to each other.
- the chamber A430 provides gas for the air spring to inflate the air spring, and can also communicate with the third gas chamber A430 and the fourth gas chamber A440.
- the damping force adjustment device of the air-driven damping element performs corresponding operations to control the output of the damping element.
- the damping force can realize the adjustment of damping force.
- the friction between the first control rod and the first cylinder can be reduced to a certain extent, and the control accuracy can be improved.
- the second portion A220 further includes at least one end area A222, and the end area A222 has a chamfer that is inclined with respect to the longitudinal axis of the second portion A220.
- the second part A222 also includes a first end area A2221 and a second end area A2222, wherein the first end area A2221 is disposed at the end of the second part A220, and the end of the second part A220 is The part far away from the end of the first part A210; the second end area A2222 is arranged at the front end of the second part A220, and the front end of the second part A220 is the part close to the end of the first part A210. Further, as shown in FIGS.
- At least one first axial groove is provided at the position of the same horizontal line between the front end and the end of the second part, and end regions are respectively provided at the front end and the end of the second part, which can achieve simultaneous air control.
- Spring height adjustment and damping force adjustment are provided at the position of the same horizontal line between the front end and the end of the second part, and end regions are respectively provided at the front end and the end of the second part, which can achieve simultaneous air control.
- Figure 7 (a) shows a cross-sectional view of the first working state of another device for adjusting damping force and height in an embodiment of the present invention
- Figure 7 (b) shows A cross-sectional view of the second working state of another device for adjusting damping force and height in an embodiment of the present invention, combined with FIG. 6 and FIG. 7, is correspondingly provided in the third gas chamber A430 at least one first At the same time as an axial groove A221, at least one first axial groove A223 is provided in the first gas chamber A410.
- the damping force of the damping element stops adjusting.
- the first control rod A200 is in the lowest position, and as shown in FIG. 7(b), the first control rod A200 is in contact with the bottom of the first cylinder A100.
- the first control lever is in the lowest position.
- the damping force adjusting device of the air-driven damping element When the first axial groove A221 passes over the second sealing element A320 between the third gas chamber A430 and the second gas chamber A420, gas flow is generated between the third gas chamber A430 and the second gas chamber A420
- the damping force adjusting device of the air-driven damping element When connected, the damping force adjusting device of the air-driven damping element performs corresponding operations, controls the damping element to output corresponding damping force, and realizes the damping force adjustment. It can be seen that opening the first axial groove A221 inside the second part can not only connect the second gas chamber A420 and the third gas when the first control rod A200 and the first cylinder A100 are relatively displaced relative to each other.
- the chamber A430 provides gas for the air spring to inflate the air spring, and can also communicate with the third gas chamber A430 and the fourth gas chamber A440.
- the damping force adjustment device of the air-driven damping element performs corresponding operations and controls the output of the damping element accordingly.
- the end of the second part A220 is also provided with a first end area A2221.
- a gas flow connection is generated between the fourth gas chamber A440 and the fifth gas chamber A450 , That is, the air spring is connected with the atmosphere to generate gas flow to realize the air spring deflation.
- the design of the end area reduces the friction between the first control rod and the first cylinder, so that the first control rod reciprocates more smoothly in the first cylinder, and prevents the first control rod from being in the first cylinder. Stuttering occurs during internal reciprocating motion, which further improves the control accuracy.
- At least one first axial groove is provided at different positions of the second part, and an end area is provided at the end of the second part, which can realize air spring height adjustment or simultaneous adjustment of air spring height and damping force.
- this embodiment does not further limit the specific structure of the second part.
- a suitable specific structure of the second part can be selected according to actual conditions.
- the second part has at least one second axial groove (A2221-1, A2222-1) connected to the end regions (A2221, A2222). ). Still in the second structure of the second part shown in FIG. 6, the second part has at least one second axial groove A2221-1 connected to the first end area A2221.
- the second axial groove A2221-1 crosses the fourth sealing element 340 between the fourth gas chamber A440 and the fifth gas chamber A450 earlier than the first end region A2221, and the second axial groove The groove A2222-1 passes the first sealing element A310 between the first gas chamber A410 and the second gas chamber A420 earlier than the second end region A2222.
- the technical solution claimed in this embodiment can be achieved by changing the shape and depth of the first axial groove (A221, A223) and/or the second axial groove (A2221-1, A2222-1).
- the first axial grooves (A221, A223) can be rectangular grooves, V-shaped grooves or as shown in the figure.
- the first axial groove (A221, A223) can include a rectangular groove and a second axial groove (A2221-1, A2222-1), wherein the rectangular groove is located on the upper part, and the second axial groove
- the groove (A2221-1, A2222-1) is located in the lower part, or the rectangular groove is located in the lower part, and the second axial groove (A2221-1, A2222-1) is located in the upper part, or the rectangular groove is located in the two second axial grooves.
- the middle of the two axial grooves (A2221-1, A2222-1); the second axial groove (A2221-1, A2222-1) can be a rectangular groove or a V-shaped groove.
- the shapes of the directional groove and the second axial groove are not further limited.
- the inflation speed and the speed of adjusting the damping force of the air spring can be controlled by changing the shape and depth of the first axial groove (A221, A223).
- the shape of the first axial groove A221 is designed to be a rhombus, So that when the lower triangular apex area of the first axial groove A221 crosses the third sealing element A330 between the third gas chamber A430 and the fourth gas chamber A440, the third gas chamber A430 and the fourth gas chamber A430 A small amount of gas flow connection is generated between the chambers A440, so that a small amount of gas is charged into the air spring to realize the fine adjustment of the air spring height, so as to realize the suspension adjustment of the suspension system at a specific position, which helps to further improve the suspension system Comfort; when the lower triangular non-apex area of the first axial groove A221 crosses the third sealing element A330 between the third gas chamber A430 and the fourth gas chamber A440, the third gas chamber A430 and A larger amount of gas flow connection is generated between the fourth
- the design of the first axial groove can reduce the friction between the first control rod and the sealing element when the first control rod reciprocates in the first cylinder, so as to prevent the first control rod from reciprocating in the first cylinder. The phenomenon of stuttering improves the control accuracy.
- the shape of the first axial groove A223 can also be designed as a rhombus.
- the shape of the first axial groove A223 can be designed into a V shape, when the small opening area of the first axial groove A223 crosses the first gas chamber A410 and the second gas chamber A420.
- a sealing element A310 a small amount of gas flow connection is generated between the first gas chamber A410 and the second gas chamber A420, which provides a small amount of gas for the damping force adjusting device of the damping element, and changes the damping element's
- the internal air pressure of the damping force adjustment device changes, so as to realize the fine adjustment of the damping force and obtain better comfort.
- the working stroke of the device that adjusts the damping force and height needs to be adapted to the suspension working stroke of the suspension system. If the suspension system has a long suspension working stroke, then adjust the damping force and height The working stroke of the device needs to be long, otherwise once the suspension working stroke of the suspension system exceeds the working stroke of the device for adjusting damping force and height, the device for adjusting damping force and height will be damaged. In this case, the cost of the device for adjusting the damping force and height with a long working stroke increases, and the overall tensile strength of the device for adjusting the damping force and height becomes weaker.
- FIG. 8 shows a perspective view of another device for adjusting damping force and height according to an embodiment of the present invention
- FIG. 9 shows a perspective view of another device for adjusting damping force and height according to an embodiment of the present invention.
- Figure 10 (a) shows a cross-sectional view of the first working state of another device for adjusting damping force and height in an embodiment of the present invention
- Figure 10 (b) shows a cross-sectional view according to the present invention
- the device 10 for adjusting damping force and height also includes a gas compression device B, which Device B is connected to the air source;
- the gas compression device B includes a second cylinder B100 and at least one second control rod B200 slidably arranged in the second cylinder B100; the second control rod B200 is connected to the first control rod A200, for example, the first control rod B200 Connect with the first control rod A200 through the fixing device D.
- the relative displacement of the first control rod A200 and the first cylinder A100 relative to each other reaches the maximum working stroke, the relative displacement of the second control rod B200 and the second cylinder B100 relative to each other Displacement is compensated. That is to say, as shown in Figure 10 (a), within the working stroke of the regulating valve A, the working stroke of the gas compression device B does not change, and the gas compression device only serves as a connection.
- the working stroke of the regulating valve A The stroke is determined by the relative displacement of the first control rod A200 and the first cylinder A100 compared to each other, and the working stroke of the gas compression device B is determined by the relative displacement of the second control rod B200 and the second cylinder B100 compared to each other;
- the working stroke of the regulating valve A reaches the maximum value, the working stroke of the gas compression device B is compensated, which extends the working stroke of the regulating valve A, and realizes the best state of the overall tensile strength of the device to ensure the adjustment of the damping force and height To meet the needs of different suspension systems with different suspension working strokes.
- the device 10 for adjusting the damping force and height further includes a guide device C.
- the gas compression device B and the regulating valve A are respectively slidably connected to the guide device C, and the gas compression device B is connected to the regulating valve A .
- the gas compression device B is connected to the regulating valve A.
- the gas compression device B is connected to the regulating device A.
- the gas compression device B is connected to the regulating device A.
- This embodiment does not further limit the connection between the gas compression device B and the regulating valve A and the guide device C.
- the guide device C makes the movement and working strokes of the gas compression device B and the regulating valve A on the same longitudinal axis, and bears a certain lateral pressure, which improves the control accuracy of the device for adjusting the damping force and height.
- the device for adjusting the damping force and height can be fixed on the suspension system through the guide device. It can be seen that the guiding device plays the role of positioning, guiding and bearing a certain lateral pressure in the technical solution claimed in this embodiment.
- the guiding device C mainly includes the following two structures:
- the guide device C includes at least two guide ring grooves C110 and at least one guide rod C120.
- the guide rod C120 and the guide ring groove C110 slide relative to each other; the gas compression device B and At least one guide ring groove C110 is connected; the regulating valve A is connected with at least one guide ring groove C110.
- FIG. 11 shows a perspective view of another device for adjusting damping force and height according to an embodiment of the present invention
- FIG. 12 shows another device for adjusting damping force according to an embodiment of the present invention.
- the guide device C includes at least one guide plate C210, at least three guide grooves C220 and at least two guide rods C230;
- the guide groove C220 includes a guide ring groove C221 and a guide Groove C222;
- at least two guide ring grooves C221 are provided on both sides of the guide plate C210, for example, at least two symmetrical guide ring grooves C221 are provided on both sides of the guide plate C210, and at least one guide is provided in the center of the guide plate C210 Groove C222;
- the gas compression device B is provided with a guide block B300, and the guide block B300 slides in the guide groove C222;
- the regulating valve A is arranged on the guide plate C210;
- the guide rod C includes at least one guide plate C210, at least three
- the guiding device of the first structure or the guiding device of the second structure can be selected according to actual needs, and the structure of the guiding device is not further limited in this embodiment.
- the device 10 for adjusting the damping force and height can be applied to any suspension system.
- the suspension system includes a seat suspension system, a vehicle chassis suspension system, and a cab suspension system. This embodiment does not further limit the application field of the device 10 for adjusting the damping force and height.
- FIG. 13 shows a schematic diagram of the functional structure of a seat according to an embodiment of the present invention.
- a seat has at least two relatively movable scissor frame structures (50, 60), and at least one A damping element 40 for shock absorption and an air spring 20 for height adjustment.
- the seat also includes a damping force adjustment device (not shown in the figure) of the damping element and the damping force and height adjustment as claimed in the first embodiment.
- the device 10, the damping element 40, the air spring 20, the damping force adjustment device of the damping element are adapted to the positions of the device 10 for adjusting the damping force and height, and the device 10 for adjusting the damping force and height is respectively corresponding to the damping force of the damping element
- the adjusting device is connected with the air spring 20;
- One end of the device 10 for adjusting damping force and height is connected to one of the scissors frame structure 50, and the other end of the device 10 for adjusting damping force and height is connected to the other scissors frame structure 60.
- Two relatively moving scissors frame structures ( The relative movement of 50, 60) drives the device 10 for adjusting the damping force and height to control the air spring 20 to inflate or deflate to realize the suspension adjustment of the seat; and/or the two relatively movable scissor frame structures (50, 60)
- Relative motion drives the device 10 for adjusting damping force and height to control the damping force adjustment device of the damping element to perform corresponding operations.
- the device for adjusting damping force and height 10 performs corresponding operations to control the damping force.
- the components output corresponding damping force to realize seat damping force adjustment.
- the device for adjusting the damping force and height of the seat claimed in this embodiment height adjustment can be achieved, and the height and damping force can also be adjusted synchronously, so that the comfort of the seat can reach the best state.
- the technical solution of this embodiment improves the sensitivity of height adjustment and damping force adjustment, and further improves the comfort compared with the seat that realizes the synchronous adjustment of height and damping force through electronic control in the prior art; in addition, this embodiment
- the technical solution eliminates the need for the driver to manually adjust the damping force and height during driving, so that the driver’s attention is more concentrated, which can reduce the occurrence of traffic accidents to a certain extent; and the device for adjusting the damping force and height in the seat It is composed of a linear structure, which is compatible with the height of the seat suspension system, and is not restricted by the space and installation position of the seat suspension system itself, and has convenient installation, low failure rate, convenient maintenance, and low cost.
- the seat also includes a cable, which is connected to the device 10 for adjusting the damping force and height.
- the cable passes through the guide chute (C200, C300) of the guide device and is connected to the device for adjusting the damping force and height.
- the cable drives the device 10 for adjusting the damping force and height to reciprocate to realize the height adjustment of the seat.
- the driver can adjust the seat to the best height through the cable according to his own needs, realize the memory adjustment of the height and gear of the seat, and then obtain a posture that is easy to operate the steering wheel, pedals, gear lever and other devices to improve comfort
- the driver can pull the cable according to actual needs to realize the synchronous adjustment of the height of the seat and the damping force, so as to reduce the discomfort caused by the rough road and obtain the best comfort.
- the length of the cable can be adjusted mechanically, for example, the length of the cable can be adjusted by adjusting the handle; it can also be adjusted electronically.
- the length of the cable is adjusted by the motor, and the control method of the length of the cable is not further limited in this embodiment.
- a vehicle suspension system includes a vehicle body and at least four wheels. At least two damping elements for shock absorption and an air spring for height adjustment are arranged between the vehicle body and the wheels.
- the vehicle suspension system also includes a damping element for damping.
- the force adjusting device and the device 10 for adjusting the damping force and height as claimed in the first embodiment, the damping force adjusting device for damping elements, air springs, and damping elements (not shown in the figure), and the device for adjusting damping force and height 10 four The position of the damping element is adapted, and the device 10 for adjusting the damping force and the height is respectively connected with the damping force adjusting device of the damping element and the air spring.
- the relative movement between the body and the wheels can drive the first cylinder and the first control rod to generate relative displacements relative to each other, so that the damping force adjusting device of the damping element and the air source Generate a gas flow connection with the atmosphere, and/or connect the air spring with the gas source or the atmosphere to realize the synchronization adjustment of the height or the height and the damping force of the vehicle suspension system, so that the vehicle suspension system has a shock absorption effect Compatible with the height of the vehicle suspension system, the sensitivity of height adjustment and damping force adjustment is improved, and the installation is convenient, the failure rate is low, the maintenance is convenient, and the cost is low.
- the damping force and height adjustment device claimed in this embodiment can control the inflation or deflation of the air spring to achieve height adjustment through the relative displacement of the first control rod and the first cylinder with respect to each other, or at the same time.
- the damping force adjustment device of the air-driven damping element performs corresponding operations to control the damping element to output the corresponding damping force to realize the damping force adjustment, that is, to realize the height adjustment of the suspension system or realize the height adjustment and the damping force adjustment of the suspension system simultaneously.
- the technical solution of this embodiment realizes the synchronous adjustment of the height and the damping force through the electronic control method in the prior art, which improves the sensitivity of the height adjustment and the damping force adjustment, and further improves the comfort;
- the technical solution of this embodiment eliminates the need for the driver to manually adjust the damping force and height during driving, so that the driver's attention is more concentrated, and to a certain extent, the occurrence of traffic accidents can be reduced; and the technical solution of this embodiment It is composed of a linear structure, which is compatible with the height of the suspension system, and is not restricted by the space and installation position of the suspension system itself. It is convenient to install, low in failure rate, easy to maintain, and low in cost.
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Abstract
Description
Claims (22)
- 一种调节阻尼力和高度的装置,其特征在于,所述调节阻尼力和高度的装置包括调节阀,所述调节阀分别与气源、大气、空气弹簧和阻尼元件的阻尼力调节装置连接;所述调节阀包括第一圆筒和至少一个可滑动布置在所述第一圆筒内的第一控制杆,通过所述第一控制杆和所述第一圆筒相对于彼此的相对位移,使得所述空气弹簧与气源或者大气之间产生气体流动连接,实现所述空气弹簧的高度调节;和/或,使得所述阻尼元件的阻尼力调节装置与气源和大气之间气体流动连接,从而气驱动所述阻尼元件的阻尼力调节装置执行相应操作以控制所述阻尼元件输出相应的阻尼力,实现所述阻尼元件阻尼力大小的调节。
- 如权利要求1所述的调节阻尼力和高度的装置,其特征在于,所述调节阀的工作行程至少包括三个位移阈值范围,其中,第二位移阈值范围包含第一位移阈值范围,第三位移阈值范围包含所述第二位移阈值范围;当所述第一圆筒和所述第一控制杆相对于彼此的相对位移在所述第一位移阈值范围内,使得所述空气弹簧与气源或者大气之间未产生气体流动连接,所述空气弹簧既不充气也不放气,且使得所述阻尼元件的阻尼力调节装置与气源和大气之间未产生气体流动连接,所述阻尼元件的阻尼力保持预设的基础阻尼力;当所述第一圆筒和所述第一控制杆相对于彼此的相对位移在所述第一位移阈值范围与所述第二位移阈值范围之间,使得所述空气弹簧与气源或者大气之间产生气体流动连接,实现空气弹簧的充气或放气;当所述第一圆筒和所述第一控制杆相对于彼此的相对位移在所述第二位移阈值范围与所述第三位移阈值范围之间,使得所述阻尼元件的阻尼力调节装置与气源和大气之间气体流动连接,气驱动所述阻尼元件的阻尼力调节装置执行相应操作,实现所述阻尼元件阻尼力大小的调节,且使得所述空气弹簧与气源或者大气之间产生气体流动连接,实现所述空气弹簧的充气或者放气。
- 如权利要求2所述的调节阻尼力和高度的装置,其特征在于,所述第一圆筒包括至少一个第一进气口、第二进气口、第一出气口、第 二出气口、第三出气口、第一排气口和第二排气口;所述第一进气口与气源连接,所述第一进气口与所述第一出气口连接;所述第一出气口与所述第二进气口连接;所述第二出气口分别与所述第一排气和阻尼元件的阻尼力调节装置连接;所述第三出气口与空气弹簧连接口连接;所述第一排气口和所述第二排气口分别与大气连接。
- 如权利要求3所述的调节阻尼力和高度的装置,其特征在于,当所述第一圆筒和所述第一控制杆相对于彼此的相对位移在所述第一位移阈值范围与所述第二位移阈值范围之间时,所述第二进气口与所述第三出气口之间产生气体流动连接,实现所述空气弹簧的充气,或者,所述第三出气口与所述第二排气口之间产生气体流动连接,实现所述空气弹簧的放气;当所述第一圆筒和所述第一控制杆相对于彼此的相对位移在所述第二位移阈值范围与所述第三位移阈值范围之间时,所述第二出气口与所述第一进气口和所述第一排气口之间产生气体流动连接,气驱动所述阻尼元件的阻尼力调节装置执行相应操作,实现所述阻尼元件的阻尼力调节,且所述第三出气口与所述第二进气口之间产生气体流动连接,实现所述空气弹簧的充气;或者,所述第二出气口与所述第二进气口和所述第一排气口之间产生气体流动连接,气驱动所述阻尼元件的阻尼力调节装置执行相应操作,实现所述阻尼元件的阻尼力调节,且所述第三出气口与所述第二排气口之间产生气体流动连接,实现所述空气弹簧的放气。
- 如权利要求1或2或3或4所述的调节阻尼力和高度的装置,其特征在于,所述第一圆筒与所述第一控制杆之间设置有至少四个密封元件,从而在所述第一圆筒与所述第一控制杆之间形成彼此分离连续的至少五个气体腔室。
- 如权利要求5所述的调节阻尼力和高度的装置,其特征在于,所述气体腔室包括第一气体腔室、第二气体腔室、第三气体腔室、第四气体腔室和第五气体腔室,第一气体腔室与所述气源连接,所述第一气体腔室与第三气体腔室连接,第二气体腔室分别与所述阻尼元件的阻尼力调节装置和大气连接,第四气体腔室与所述空气弹簧连接,第五气体腔室与所述大气连接。
- 如权利要求6所述的调节阻尼力和高度的装置,其特征在于,所述第一控制杆包括至少第一部分和第二部分,所述第二部分设置在所述第一部分的末端,所述第一部分的直径小于所述第二部分的直径。
- 如权利要求7所述的调节阻尼力和高度的装置,其特征在于,所述第二部分的纵轴线与所述第一部分的纵轴线相互重合或平行,所述第一部分的横截面相对于所述第二部分的横截面的面积差用于承载气体压力。
- 如权利要求8所述的调节阻尼力和高度的装置,其特征在于,所述第二部分包括至少一个第一轴向凹槽。
- 如权利要求9所述的调节阻尼力和高度的装置,其特征在于,所述第一轴向凹槽与第三气体腔室对应设置;当所述第一轴向凹槽越过所述第三气体腔室与第四气体腔室之间的第三密封元件时,所述第三气体腔室与所述第四气体腔室之间产生气体流动连接,实现空气弹簧充气;当所述第一轴向凹槽越过所述第三气体腔室与所述第二气体腔室之间的第二密封元件时,所述第三气体腔室与所述第二气体腔室之间产生气体流动连接,气驱动所述阻尼元件的阻尼力调节装置执行相应操作以控制所述阻尼元件输出相应的阻尼力,实现所述阻尼元件阻尼力大小的调节。
- 如权利要求10所述的调节阻尼力和高度的装置,其特征在于,所述第一轴向凹槽还与第一气体腔室对应设置;当所述第一轴向凹槽越过所述第一气体腔室与所述第二气体腔室之间的第一密封元件时,所述第一气体腔室与所述第二气体腔室之间产生气体流动连接,气驱动所述阻尼元件的阻尼力调节装置执行相应操作以控制所述阻尼元件输出相应的阻尼力,实现所述阻尼元件阻尼力大小的调节。
- 如权利要求10所述的调节阻尼力和高度的装置,其特征在于,所述第二部分还包括至少一个端部区域,所述端部区域具有相对于所述第二部分的纵向轴线倾斜的倒角。
- 如权利要求12所述的调节阻尼力和高度的装置,其特征在于,所述端部区域设置在所述第二部分的末端,当所述端部区域越过所述第四气体腔室与所述第五气体腔室之间的第四密封元件时,所述第四气体腔室与所述第五气体腔室之间产生气体流动连接,实现空气弹簧放气。
- 如权利要求13所述的调节阻尼力和高度的装置,其特征在于,所述 端部区域还设置在所述第二部分的前端,当所述端部区域越过所述第一气体腔室与所述第二气体腔室之间的第一密封元件时,所述第一气体腔室与所述第二气体腔室之间产生气体流动连接,气驱动所述阻尼元件的阻尼力调节装置执行相应操作以控制所述阻尼元件输出相应的阻尼力,实现所述阻尼元件阻尼力大小的调节。
- 如权利要求12-14任意一项所述的调节阻尼力和高度的装置,其特征在于,所述第二部分具有至少一个与所述端部区域连接的第二轴向凹槽。
- 如权利要求1所述的调节阻尼力和高度的装置,其特征在于,所述调节阻尼力和高度的装置还包括气体压缩装置,所述气体压缩装置与气源连接;所述气体压缩装置包括第二圆筒和至少一个可滑动布置在所述第二圆筒内的第二控制杆;所述第二控制杆与所述第一控制杆连接;当所述第一控制杆与所述第一圆筒相对于彼此的相对位移达到最大工作行程时,由所述第二控制杆与所述第二圆筒相对于彼此的相对位移进行补偿。
- 如权利要求16所述的调节阻尼力和高度的装置,其特征在于,所述调节阻尼力和高度的装置还包括导向装置,所述气体压缩装置和/或所述调节阀与所述导向装置滑动连接,所述气体压缩装置与所述调节阀连接。
- 如权利要求17所述的调节阻尼力和高度的装置,其特征在于,所述导向装置包括至少两个导向环槽和至少一个导向杆,所述导向杆与所述导向环槽相对于彼此滑动;所述气体压缩装置与至少一个导向环槽连接;所述调节阀与至少一个导向环槽连接。
- 如权利要求17所述的调节阻尼力和高度的装置,其特征在于,所述导向装置包括至少一个导向板、至少三个导向槽和至少两个导向杆;所述导向槽包括导向环槽和导向凹槽;所述导向板的两侧设置有至少两个所述导向环槽,所述导向板的中心设置有至少一个所述导向凹槽;所述气体压缩装置设置有导向块,所述导向块在所述导向凹槽中滑动;所述调节阀设置在所述导向板上;所述导向杆与所述导向环槽相对于彼此滑动。
- 一种座椅,所述座椅具有至少两个相对移动的剪刀架结构、至少一个用于减震的阻尼元件和用于高度调节的空气弹簧,其特征在于,所述座椅还 包括阻尼元件的阻尼力调节装置和如权利要求1-19任意一项所述的调节阻尼力和高度的装置,所述阻尼元件、所述空气弹簧、所述阻尼元件的阻尼力调节装置与所述调节阻尼力和高度的装置四者的位置相适应,所述调节阻尼力和高度的装置分别与所述阻尼元件的阻尼力调节装置和所述空气弹簧连接;所述调节阻尼力和高度的装置的一端连接在其中一个剪刀架结构上,所述调节阻尼力和高度的装置的另一端连接在另一个剪刀架结构上,所述两个相对移动的剪刀架结构的相对运动驱动所述调节阻尼力和高度的装置控制所述空气弹簧充气或者放气,实现所述座椅的悬浮调节;和/或,所述两个相对移动的剪刀架结构的相对运动驱动所述调节阻尼力和高度的装置控制所述阻尼元件的阻尼力调节装置执行相应操作,实现座椅阻尼力调节。
- 如权利要求20所述的座椅,其特征在于,所述座椅还包括拉索,所述拉索与所述调节阻尼力和高度的装置连接,所述拉索驱动所述调节阻尼力和高度的装置往复运动,实现所述座椅的高度调节。
- 一种车辆悬架系统,所述车辆悬挂系统包括车身和至少四个车轮,所述车身与所述车轮之间设置有至少两个用于减震的阻尼元件和用于高度调节的空气弹簧,其特征在于,所述车辆悬挂系统还包括阻尼元件的阻尼力调节装置和如权利要求1-19任意一项所述的调节阻尼力和高度的装置,所述阻尼元件、所述空气弹簧、所述阻尼元件的阻尼力调节装置和所述调节阻尼力和高度的装置四者的位置相适应,所述调节阻尼力和高度的装置分别与所述阻尼元件的阻尼力调节装置和所述空气弹簧连接。
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