CN107458277B - Automatic damping adjustment mechanism and air suspension seat - Google Patents
Automatic damping adjustment mechanism and air suspension seat Download PDFInfo
- Publication number
- CN107458277B CN107458277B CN201710856711.2A CN201710856711A CN107458277B CN 107458277 B CN107458277 B CN 107458277B CN 201710856711 A CN201710856711 A CN 201710856711A CN 107458277 B CN107458277 B CN 107458277B
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- damper
- damping
- air
- air bag
- adjusting
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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
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides an automatic damping adjusting mechanism and an air suspension seat, wherein the adjusting mechanism comprises: the device comprises an adjusting device, an air bag, an air source and a damper; the adjusting device, the air bag and the air source are communicated through a pipeline joint; the output end of the adjusting device is connected with the damper and used for adjusting the damping of the damper in real time; when the load applied to the air bag changes, the pressure in the air bag and the regulating device changes, so that the output end of the regulating device can regulate the damper in real time, and the damping of the damper synchronously changes along with the load applied to the air bag. When the air bag receives load change, the damping force of the damper can be quickly adjusted through the adjusting device, and the reaction speed is high. Compared with the prior art that the gear control switch is connected with the spanner for damping adjustment through the pull wire, the automatic damping adjustment mechanism provided by the scheme can be used for actively adjusting in time, and has the advantages of high automation degree and long service life.
Description
Technical Field
The invention relates to the field of air suspension seats, in particular to an automatic damping adjustment mechanism and an air suspension seat with the same.
Background
Damping adjustability of current commercial vehicle air suspension seats has become increasingly popular and has a trend to increasingly become standard configurations. But all damping adjustable mechanisms of commercial vehicle air suspension seats in the market at present are characterized in that a gear control switch and a damping adjustment spanner are connected through a pull wire, the gear switch is divided into a plurality of mechanical gears, each time a fixed position is corresponding to each press, the position of the damping adjustment spanner is changed through the pull wire, and therefore damping force adjustment is achieved.
The damping adjustment method is single in form, passive adjustment is needed through external force intervention, and active adjustment cannot be performed timely according to road conditions, so that comfort of the seat is affected to a certain extent. And because the pull wire is used for driving adjustment, the pull wire can be lengthened or broken after long-time work, thereby influencing the adjustment effect or being incapable of adjusting.
Disclosure of Invention
The invention aims to provide an automatic damping adjustment mechanism, which aims to solve the technical problems that the manual passive adjustment is only carried out and the adjustment effect is poor in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an automatic damping adjustment mechanism comprising: the device comprises an adjusting device, an air bag, an air source and a damper;
the adjusting device, the air bag and the air source are communicated through a pipeline joint;
the output end of the adjusting device is connected with the damper and used for adjusting the damping of the damper in real time;
when the load applied to the air bag changes, the pressure in the air bag and the regulating device changes, so that the output end of the regulating device can regulate the damper in real time, and the damping of the damper synchronously changes along with the load applied to the air bag.
Further, the damper is a damping-adjustable damper and comprises a damper body and a control rod connected with the damper body and used for adjusting damping.
Further, the adjusting device comprises an air cylinder, a pushing rod and a sliding block, a piston rod of the air cylinder is connected with the pushing rod, one end, far away from the piston rod of the air cylinder, of the pushing rod is connected with the sliding block, and the sliding block is further connected with a control rod of the damper.
Further, a sliding groove is formed in the sliding block, and one end, far away from the piston rod, of the pushing rod is connected with the sliding groove through a pin shaft.
Further, when the load applied to the air bag is increased, the pressure in the air cylinder is increased, a piston rod of the air cylinder stretches out and pushes the pushing rod, the pushing rod drives the sliding block to swing towards the moving direction of the pushing rod, and the sliding block drives the control rod on the damper to swing in the same direction, so that the increase and adjustment of the damping force of the damper are completed;
when the load born by the air bag is reduced, the pressure in the air cylinder is reduced, the piston rod of the air cylinder is recovered under the action of the reset spring, the push rod is pulled to move to one side of the air cylinder, the push rod drives the sliding block to swing towards the movement direction of the push rod, and the sliding block drives the control rod on the damper to swing in the same direction, so that the reduction and adjustment of the damping force of the damper are completed.
Further, a solenoid valve is arranged on a pipeline, communicated with the pipeline joint, of the air source and is used for switching on or switching off the air source.
Further, the damper further comprises a bracket for fixing the damper and the cylinder.
The invention also provides an air suspension seat, which comprises a seat body and the automatic damping adjustment mechanism;
the automatic damping adjusting mechanism is connected with the seat body and used for enabling any state of the seat body to finish automatic adjustment of damping force.
Further, the seat body comprises an upper supporting frame, a lower supporting frame and a scissor fork mechanism, the upper supporting frame and the lower support are connected through the scissor fork mechanism,
the scissors fork mechanism comprises a first supporting plate and a second supporting plate, the middle parts of the first supporting plate and the second supporting plate are hinged through shafts, the fixed end of a damper in the automatic damping adjusting mechanism is connected with the first supporting plate, and the movable end of the damper is connected with the second supporting plate.
Further, a bearing plate is arranged on the upper supporting frame and is connected with the top of the air bag.
By combining the technical scheme, the automatic damping adjusting mechanism provided by the invention has the following advantages:
1. the automatic damping adjusting mechanism comprises an adjusting device, an air bag, an air source and a damper, and is simple in structure and convenient to install and use.
2. When the air bag receives load change, the damping force of the damper can be quickly adjusted through the adjusting device, and the reaction speed is high.
3. Compared with the prior art that the gear control switch is connected with the spanner for damping adjustment through the pull wire, the automatic damping adjustment mechanism provided by the scheme can be used for actively adjusting in time, and has the advantages of high automation degree and long service life.
The air suspension seat provided by the invention is applied with the automatic damping adjustment mechanism, and when the load born by the air bag is increased or reduced, the automatic adjustment of the damping force can be realized through the automatic damping adjustment mechanism, so that the comfort of the seat is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an automatic damping adjustment mechanism according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of an automatic damping adjustment mechanism according to a first embodiment of the present invention;
FIG. 3 is a schematic structural view of an adjusting device in an automatic damping adjusting mechanism according to an embodiment of the present invention;
fig. 4 is a top view of an air suspension seat according to a second embodiment of the present invention;
fig. 5 is a side view of an air suspension seat according to a second embodiment of the present invention.
Reference numerals:
1-an adjusting device; 2-an air bag; 3-air source; 4-a damper; 5-pipe joints; 6-pin shafts; 7-an electromagnetic valve; 8-a bracket; 11-cylinder; 12-pushing rod; 13-a slider; 41-a damper body; 42-a control lever; 131-a sliding groove; 100-a seat body; 101-an upper support frame; 102-a lower support frame; 103-a scissor fork mechanism; 104-a first support plate; 105-a second support plate; 106-a carrier plate; 200-an automatic damping adjustment mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Please refer to fig. 1 to 3; the present implementation provides an automatic damping adjustment mechanism, the mechanism comprising:
an adjusting device 1, an air bag 2, an air source 3 and a damper 4.
The adjusting device 1, the air bag 2 and the air source 3 are communicated through a pipeline joint 5; the air source 3 can supply air for the air bag 2 and the adjusting device 1 respectively through the pipeline connector 5 so as to ensure that the air bag 2 and the adjusting device 1 normally operate, meanwhile, the air paths between the adjusting device 1 and the air bag 2 are communicated, and when the pressure in the air bag 2 changes, the pressure in the adjusting device 1 synchronously changes.
The output end of the adjusting device 1 is connected with the damper 4 for adjusting the damping of the damper 4 in real time.
Preferably, the damper 4 used in the present embodiment is a damper adjustable damper 4 commonly used at present, which includes a damper body 41 and a control lever 42 connected to the damper body 41 for adjusting damping. Since the damper 4 is a product of the prior art, in this embodiment, a description of the structure and principle thereof will not be repeated.
By adopting the automatic damping adjusting mechanism with the structure, when the load born by the air bag 2 changes, the pressures in the air bag 2 and the adjusting device 1 change, so that the output end of the adjusting device 1 can adjust the damper 4 (the control rod 42 for driving the damper 4) in real time, the damping of the damper 4 synchronously changes along with the load born by the air bag 2, and the aim of automatically adjusting the damping is fulfilled.
The following describes in detail the structure of the present embodiment using the automatic damping adjustment mechanism:
the above-described adjusting device 1 includes an air cylinder 11, a push rod 12, and a slider 13.
The piston rod of the air cylinder 11 is connected with the pushing rod 12, and the piston rod of the air cylinder 11 can drive the pushing rod 12 to synchronously move along the telescopic movement direction of the piston rod.
The end of the push rod 12 far away from the piston rod of the air cylinder is connected with the sliding block 13, preferably, a sliding groove 131 is arranged on the sliding block 13, and the end of the push rod 12 far away from the piston rod is connected with the sliding groove 131 through a pin shaft 6. When the push rod 12 moves under the drive of the piston rod of the air cylinder 11, the pin shaft 6 on the push rod 12 moves along the sliding groove on the sliding block 13, so that the sliding block 13 is synchronously driven to swing towards the movement direction of the push rod 12.
The control lever 42 of the damper 4 is also connected to the slider 13. The sliding block 13 can synchronously drive the control rod 42 on the damper 4 to swing in the same direction while swinging in the movement direction of the pushing rod 12, so as to complete the adjustment of the damping force of the damper 4.
Preferably, a solenoid valve 7 is provided on the pipe connecting the air source 3 to the pipe joint for switching on or off the air source 3. The solenoid valve 7 may be selected from a variety of types including, but not limited to, a two-position normally closed solenoid valve 7. When the air bag 2 and the air cylinder 11 of the adjusting device 1 are inflated by the air source 3, the electromagnetic valve 7 is closed after the air bag 2 and the air cylinder 11 of the adjusting device 1 are inflated, and the air source 3 stops inflating the air bag 2 and the air cylinder 11 of the adjusting device 1.
Preferably, the automatic damping adjustment mechanism provided in the present embodiment further includes a bracket 8, and the bracket 8 is used to fix the damper 4 and the cylinder 11. The bracket 8 can ensure that the relative positions of the damper 4 and the cylinder 11 are fixed by controlling the control rod 42 of the damper 4 by the pushing rod 12 and the sliding block 13 by the cylinder 11, thereby realizing a stable adjusting function.
The following describes the working principle of the automatic damping adjustment mechanism provided in this embodiment:
when the load born by the air bag 2 is increased, the air bag 2 is communicated with the air cylinder 11 through a pipeline, the pressure in the air cylinder 11 is synchronously increased, the piston rod of the air cylinder 11 stretches out and pushes the push rod 12 to move, the pin shaft 6 on the push rod 12 moves along the sliding groove on the sliding block 13, and further the synchronous driving of the sliding block 13 to swing towards the moving direction of the push rod 12 is realized, meanwhile, the sliding block 13 drives the control rod 42 on the damper 4 to swing in the same direction, and the increase and adjustment of the damping force of the damper 4 are completed.
When the load born by the air bag 2 is reduced, as the air bag 2 is communicated with the air cylinder 11 through a pipeline, the pressure in the air cylinder 11 is reduced, the piston rod of the air cylinder 11 is recovered under the action of the reset spring, the push rod 12 is pulled to move towards one side of the air cylinder 11, the push rod 12 drives the sliding block 13 to swing towards the movement direction of the push rod 12, and the sliding block 13 drives the control rod 42 on the damper 4 to swing in the same direction, so that the reduction and adjustment of the damping force of the damper 4 are completed.
It should be noted that, the cylinder 11 is a cylinder 11 generally adopted in the prior art, when the internal air pressure of the cylinder is increased, the piston rod extends, when the internal pressure of the cylinder 11 is smaller than the tension of the return spring in the cylinder 11, the piston rod of the cylinder 11 performs the retracting action, and the specific structure of the cylinder 11 is not described in the embodiment.
The automatic damping adjusting mechanism provided by the technical scheme has the following advantages:
1. the automatic damping adjusting mechanism comprises an adjusting device, an air bag, an air source and a damper, and is simple in structure and convenient to install and use.
2. When the air bag receives load change, the damping force of the damper can be quickly adjusted through the adjusting device, and the reaction speed is high.
3. Compared with the prior art that the gear control switch is connected with the spanner for damping adjustment through the pull wire, the automatic damping adjustment mechanism provided by the scheme can be used for actively adjusting in time, and has the advantages of high automation degree and long service life.
Example two
Please refer to fig. 4 and fig. 5; the present invention also provides an air suspension seat comprising a seat body 100 and an automatic damping adjustment mechanism 200 of the first embodiment;
the automatic damping adjustment mechanism 200 is connected to the seat body 100 so that any state of the seat body can accomplish the automatic adjustment of the damping force.
Specific:
the seat body 100 comprises an upper supporting frame 101, a lower supporting frame 102 and a scissor fork mechanism 103, wherein the upper supporting frame 101 and the lower supporting frame 102 are connected through the scissor fork mechanism 103, two sides of the upper supporting frame 101 and the lower supporting frame 102 are respectively provided with the scissor fork mechanism 103, when the scissor fork mechanism 103 stretches out, the upper supporting frame 101 rises, and when the scissor fork mechanism 103 stretches and folds, the upper supporting frame 101 descends.
The scissors fork mechanism 103 comprises a first supporting plate 104 and a second supporting plate 105, the middle parts of the first supporting plate 104 and the second supporting plate 105 are hinged through shafts, an upper guide groove is formed in the inner side of the upper supporting frame 101, a lower guide groove is formed in the inner side of the lower supporting frame 102, the upper end of the first supporting plate 104 is hinged to the upper guide groove, the lower end of the first supporting plate 104 is slidably connected with the lower guide groove, the upper end of the second supporting plate 105 is slidably connected with the upper guide groove, the lower end of the second supporting plate 105 is hinged to the lower guide groove, and the positions of the first supporting plate 104 and the second supporting plate 105, which are slidably connected with the upper guide groove or the lower guide groove, are arranged on the same side of the air suspension seat. The first support plate 104 and the second support plate 105 are hinged with the upper guide groove and the lower guide groove at a position near the front of the seat, and the first support plate 104 and the second support plate 105 are slidably connected with the upper guide groove and the lower guide groove at a position near the rear of the air suspension seat.
In the process of lifting the air suspension seat, the lower part of the first support plate 104 and the upper part of the second support plate 105 slide towards the front of the air suspension seat along the lower guide groove and the upper guide groove respectively, and the planes of the upper ends of the first support plate 104 and the second support plate 105 are lifted, so that the lifting of the air suspension seat is realized.
In the descending process of the air suspension seat, the lower part of the first support plate 104 and the upper part of the second support plate 105 respectively slide to the rear of the air suspension seat along the lower guide groove and the upper guide groove, and the planes of the upper ends of the first support plate 104 and the second support plate 105 descend, so that the descending of the air suspension seat is realized.
The front of the seat in this embodiment means the front of the user who sits on the back of the air suspension seat, and the rear of the seat in this embodiment means the rear of the user who sits on the back of the air suspension seat.
The fixed end of the damper 4 in the automatic damping adjustment mechanism is connected with the first support plate 104, and the movable end thereof is connected with the second support plate 105.
The upper supporting frame 101 is provided with a bearing plate 106, and the bearing plate 106 is connected with the top of the air bag 2.
When the load applied to the air bag 2 is increased or reduced, the damping force can be automatically adjusted through the automatic damping adjusting mechanism, and the comfort of the seat is ensured.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. An automatic damping adjustment mechanism, comprising: the device comprises an adjusting device, an air bag, an air source and a damper;
the adjusting device, the air bag and the air source are communicated through a pipeline joint;
the output end of the adjusting device is connected with the damper and used for adjusting the damping of the damper in real time;
when the load of the air bag changes, the pressure in the air bag and the regulating device changes, so that the output end of the regulating device can regulate the damper in real time, and the damping of the damper synchronously changes along with the load of the air bag;
the damper is a damping adjustable damper and comprises a damper body and a control rod connected with the damper body and used for adjusting damping;
the adjusting device comprises an air cylinder, a pushing rod and a sliding block, wherein a piston rod of the air cylinder is connected with the pushing rod, one end, far away from the piston rod of the air cylinder, of the pushing rod is connected with the sliding block, and the sliding block is also connected with a control rod of the damper;
when the load applied to the air bag is increased, the pressure in the air cylinder is increased, a piston rod of the air cylinder stretches out and pushes the push rod, the push rod drives the sliding block to swing towards the motion direction of the push rod, and the sliding block drives the control rod on the damper to swing in the same direction, so that the increase and the adjustment of the damping force of the damper are completed;
when the load born by the air bag is reduced, the pressure in the air cylinder is reduced, the piston rod of the air cylinder is recovered under the action of the reset spring, the push rod is pulled to move to one side of the air cylinder, the push rod drives the sliding block to swing towards the movement direction of the push rod, and the sliding block drives the control rod on the damper to swing in the same direction, so that the reduction and adjustment of the damping force of the damper are completed.
2. The automatic damping adjustment mechanism according to claim 1, wherein the sliding block is provided with a sliding groove, and one end of the push rod, which is far away from the piston rod, is connected with the sliding groove through a pin shaft.
3. The automatic damping adjustment mechanism according to claim 1, wherein a solenoid valve is provided on a pipe connecting the air source to the pipe joint for switching on or off the air source.
4. The automatic damping adjustment mechanism according to any one of claims 1-3, further comprising a bracket for securing the damper and the cylinder.
5. An air suspension seat comprising a seat body and an automatic damping adjustment mechanism according to any one of claims 1-4; the automatic damping adjusting mechanism is connected with the seat body and used for enabling any state of the seat body to finish automatic adjustment of damping force.
6. The air suspension seat according to claim 5 wherein the seat body comprises an upper support frame, a lower support frame and a scissor mechanism, the upper support frame and the lower support being connected by the scissor mechanism,
the scissors fork mechanism comprises a first supporting plate and a second supporting plate, the middle parts of the first supporting plate and the second supporting plate are hinged through shafts, the fixed end of a damper in the automatic damping adjusting mechanism is connected with the first supporting plate, and the movable end of the damper is connected with the second supporting plate.
7. The air suspension seat according to claim 6 wherein a carrier plate is mounted to the upper support frame and is connected to the top of the air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710856711.2A CN107458277B (en) | 2017-09-19 | 2017-09-19 | Automatic damping adjustment mechanism and air suspension seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710856711.2A CN107458277B (en) | 2017-09-19 | 2017-09-19 | Automatic damping adjustment mechanism and air suspension seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107458277A CN107458277A (en) | 2017-12-12 |
| CN107458277B true CN107458277B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710856711.2A Active CN107458277B (en) | 2017-09-19 | 2017-09-19 | Automatic damping adjustment mechanism and air suspension seat |
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| CN (1) | CN107458277B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108657038B (en) * | 2018-05-11 | 2020-12-29 | 北汽福田汽车股份有限公司 | Shock absorber subassembly, vehicle seat and vehicle |
| CN110722953B (en) * | 2019-10-18 | 2021-10-12 | 安路普（北京）汽车技术有限公司 | Method and system for adjusting damping force of damper |
| CN110576774B (en) * | 2019-10-18 | 2024-03-12 | 安路普（北京）汽车技术有限公司 | Device for adjusting damping force and height, seat and vehicle suspension system |
| CN110745044B (en) * | 2019-10-18 | 2024-07-02 | 安路普（北京）汽车技术有限公司 | Device for adjusting damping force and height, seat and vehicle suspension system |
| CN112767594A (en) * | 2020-11-25 | 2021-05-07 | 徐州普艾为为智能科技有限公司 | Electronic product sale terminal |
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| CN1733526A (en) * | 2004-08-11 | 2006-02-15 | 利原康福泰株式会社 | Impaction buffer device of vehicle seat |
| CN201021162Y (en) * | 2007-04-26 | 2008-02-13 | 南京农业大学 | Rigidity and damping adjustable air spring scissors type seat chair |
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| CN107458277A (en) | 2017-12-12 |
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