CN213799353U - Height control valve for low-suspension-stroke seat and low-suspension-stroke seat - Google Patents
Height control valve for low-suspension-stroke seat and low-suspension-stroke seat Download PDFInfo
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- CN213799353U CN213799353U CN202022847934.2U CN202022847934U CN213799353U CN 213799353 U CN213799353 U CN 213799353U CN 202022847934 U CN202022847934 U CN 202022847934U CN 213799353 U CN213799353 U CN 213799353U
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- shock absorber
- low suspension
- height control
- control valve
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Abstract
The utility model discloses a low suspension stroke height control valve and low suspension stroke seat for seat. The height control valve for the low suspension stroke seat comprises a valve body and a valve rod, wherein a valve chamber is arranged in the valve body, and the valve rod can axially slide in a reciprocating manner in the valve chamber; the valve chamber is provided with a first airflow cavity and a second airflow cavity, the first airflow cavity is connected with an air source, and the second airflow cavity is connected with the air bag; the outer wall of the valve rod is provided with at least one first groove; the valve rod slides in the valve chamber for different distances, and the first groove is communicated with the first airflow cavity and the second airflow cavity, or the first groove is communicated with the second airflow cavity and the outside. The height control valve for the low-suspension-stroke seat is simple in structure, convenient to install and low in cost.
Description
Technical Field
The utility model relates to a car seat technical field, concretely relates to low suspension stroke height control valve and low suspension stroke seat for seat.
Background
Heavy truck car seat possesses gasbag damper, and this gasbag damper includes that the gasbag inflates or carminative altitude control valve with the control gasbag, and this gasbag damper can realize the altitude mixture control and the suspension of heavy truck car seat and adjust, and the travelling comfort is better.
Light truck seat, light-duty passenger-cargo convertible car (for example pick up car seat), passenger car seat do not possess gasbag damper, can't realize altitude mixture control and suspension regulation, and the travelling comfort is relatively poor.
Because the space designs of the automobile seats such as the heavy truck automobile seat, the light passenger-cargo dual-purpose automobile seat and the passenger automobile seat are different, in order to enable the comfort of a driver to reach the best, the adjustment states of the seat, such as horizontal adjustment, vertical adjustment, inclination adjustment and the like, which possibly exist are considered, the design reference point (R point) of the seat of the heavy truck automobile is higher, and the R point of the light truck automobile, the light passenger-cargo dual-purpose automobile and the passenger automobile is lower. It should be noted that, the high suspension travel seat is classified according to the height of the R point, and the high suspension travel seat is a seat having a high R point, such as a heavy truck seat, and the low suspension travel seat is a seat having a low R point, such as a light truck seat, a light passenger-cargo vehicle seat, and a passenger vehicle seat. The height adjustment range and the suspension height adjustment range of the height adjustment valve suitable for the high suspension travel seat cannot meet the height adjustment requirement and the suspension requirement of the low suspension travel seat. That is, the height adjustment valve of the high suspension travel seat cannot be directly applied to the low suspension travel seat. In order to improve the comfort of the low suspension stroke seat, a height control valve suitable for an air bag damping mechanism of the low suspension stroke seat needs to be designed.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a height control valve for a low suspension travel seat and a low suspension travel seat that overcome or at least partially solve the above problems.
According to one aspect of the present invention, there is provided a height control valve for a low suspension stroke seat, comprising a valve body and a valve rod, wherein the valve body is internally provided with a valve chamber, and the valve rod can axially slide in the valve chamber in a reciprocating manner; the valve chamber is provided with a first airflow cavity and a second airflow cavity, the first airflow cavity is connected with an air source, and the second airflow cavity is connected with an air bag; the outer wall of the valve rod is provided with at least one first groove; the valve rod slides in the valve chamber for different distances, and the first groove is communicated with the first air flow cavity and the second air flow cavity, or the first groove is communicated with the second air flow cavity and the outside.
Preferably, two sealing rings are arranged on the inner wall of the valve chamber, and a first airflow chamber and a second airflow chamber are partitioned in the valve chamber; the valve rod slides in the valve chamber for different distances, and the first groove spans a first sealing ring to communicate the first air flow cavity and the second air flow cavity; the first groove crosses over the second sealing ring to communicate the second airflow cavity and the outside.
Preferably, the axial both ends of first recess are provided with the second recess respectively, first recess with the second recess intercommunication, the width of second recess is less than the width of first recess.
Preferably, the first groove comprises a rectangular groove and a V-shaped groove which are communicated with each other, and the V-shaped groove is arranged at two ends of the rectangular groove.
Preferably, the low suspension stroke seat comprises a shock absorber upper end cover, a shock absorber bottom plate, at least two scissor frame structures are arranged between the shock absorber upper end cover and the shock absorber bottom plate, each scissor frame structure comprises an inner scissor frame and an outer scissor frame, the inner scissor frame is connected with the outer scissor frame through a pin shaft, and the low suspension stroke seat is arranged between the shock absorber upper end cover and the shock absorber bottom plate through a height control valve.
Preferably, a first rotary connecting piece is arranged on the valve rod, and the valve rod is rotatably connected with the damping upper end cover, the pin shaft, the inner scissor frame or the outer scissor frame through the first rotary connecting piece; the valve body is provided with a second rotary connecting piece, and the valve body is rotatably connected with the shock absorber bottom plate through the second rotary connecting piece.
Preferably, the damping upper end cover, the inner scissor frame or the outer scissor frame is provided with a first fixing device for being rotationally connected with the first rotating connecting piece; and a second fixing device which is used for being rotationally connected with the second rotating connecting piece is arranged on the bottom plate of the shock absorber.
Preferably, two mounting grooves for fixing a sealing ring are arranged on the inner wall of the valve chamber, and the thickness of each mounting groove is smaller than that of the sealing ring.
Preferably, an end cover is arranged at the end part of the valve chamber, a through hole is arranged on the end cover, and the valve rod can axially slide in the valve chamber in a reciprocating mode through the through hole.
Preferably, a step is arranged in the valve chamber, and the first sealing ring is arranged on the step; the second sealing ring is arranged on the end cover; a supporting piece is arranged between the first sealing ring and the second sealing ring, and the thickness of the supporting piece is smaller than that of the sealing ring.
According to the utility model discloses a another aspect provides a low suspension stroke seat, low suspension stroke seat includes bumper shock absorber upper end cover and bumper shock absorber bottom plate, the bumper shock absorber upper end cover with be provided with the gasbag between the bumper shock absorber bottom plate and as above the height control valve for low suspension stroke seat, low suspension stroke seat height control valve is used for gathering bumper shock absorber upper end cover with height information between the bumper shock absorber bottom plate, and according to height information control the gasbag is aerifyd or is deflated.
The utility model has the advantages that: the height control valve for the low suspension stroke seat is of a linear structure, and is adaptive to the structure of the shear shank, so that the height control valve is matched with the movement of the shear shank, the shear shank can be followed to move to a lower position, the height change of the low suspension stroke seat can be collected, and the working stroke of the low suspension stroke seat can be adjusted according to the height change, the control air bag is inflated or deflated, so that the height adjustment or the suspension adjustment can be realized in the ultralow stroke of the low suspension stroke seat, or the height adjustment and the suspension adjustment can be realized simultaneously, and the comfort of the low suspension stroke seat is improved. In addition, the height control valve for the low-suspension-stroke seat is simple in structure, convenient to install, stable in operation and low in cost.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
figure 1 illustrates a perspective view of a low suspension travel seat in accordance with one embodiment of the present invention;
figure 2 illustrates a perspective view of a low suspension travel seat height control valve in accordance with one embodiment of the present invention;
fig. 3 illustrates an exploded view of a low suspension travel seat height control valve in accordance with an embodiment of the present invention;
figure 4 illustrates a cross-sectional view of a low suspension travel seat height control valve in accordance with one embodiment of the present invention;
fig. 5 shows a perspective view of a valve stem according to an embodiment of the invention;
description of reference numerals:
1. an upper end cover of the shock absorber;
2. a shock absorber bottom plate;
3. a scissor frame mechanism;
310. an inner scissor frame;
320. an outer scissor frame;
330. a pin shaft;
4. a low suspension travel seat height control valve;
410. a valve body;
411. a valve chamber;
411-1, a first airflow cavity;
411-2, a second airflow chamber;
411-3 and an air source connector;
411-4 and an air bag connecting port;
411 to 5, a first sealing ring;
411-6 and a second sealing ring;
411-7, end cap;
411-8, steps;
411-9, a support;
412. a second rotational connection;
420. a valve stem;
421. a first groove;
422. a second groove;
423. a first rotational connection;
5. a second securing device.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 shows according to the utility model discloses a perspective view of low suspension stroke seat in an embodiment, as shown in fig. 1, low suspension stroke seat includes bumper shock absorber upper end cover 1 and bumper shock absorber bottom plate 2, be provided with the gasbag between bumper shock absorber upper end cover 1 and the bumper shock absorber bottom plate 2, low suspension stroke seat is with height control valve 4 and two at least scissors frame structures 3, low suspension stroke seat is with height control valve 4 is used for controlling the gasbag to aerify or exhaust, realize the height control or the suspension of low suspension stroke seat and adjust, or realize the height control and the suspension of low suspension stroke seat simultaneously and adjust, promote the travelling comfort of low suspension stroke seat.
The structure of the low suspension stroke seat height control valve 4 will be described herein. Fig. 2 shows a perspective view of a height control valve for a low suspension travel seat according to an embodiment of the present invention, fig. 3 shows an exploded view of a height control valve for a low suspension travel seat according to an embodiment of the present invention, fig. 4 shows a cross-sectional view of a height control valve for a low suspension travel seat according to an embodiment of the present invention, fig. 5 shows a perspective view of a valve rod according to an embodiment of the present invention, as shown in fig. 2 to 5, the height control valve 4 for a low suspension travel seat comprises a valve body 410 and a valve rod 420, a valve chamber 411 is provided in the valve body 410, and the valve rod 420 is axially reciprocatingly slidable in the valve chamber 411;
the valve chamber 411 is provided with a first airflow cavity 411-1 and a second airflow cavity 411-2, the first airflow cavity 411-1 is connected with an air source through an air source connecting port 411-3, and the second airflow cavity 411-2 is connected with an air bag through an air bag connecting port 411-4;
the outer wall of the valve rod 420 is provided with at least one first groove 421, the valve rod 420 slides in the valve chamber 411 for different distances, and the first groove 421 is communicated with the first airflow cavity 411-1 and the second airflow cavity 411-2 to realize the control of the inflation of the air bag; alternatively, the first recess 421 communicates the second airflow chamber 411-2 with the outside to control the deflation of the air bag.
Therefore, the height control valve for the low suspension stroke seat is of a linear structure and is adaptive to the structure of the shear shank, the height control valve is matched with the shear shank in motion, the shear shank can be moved to a lower position along with the shear shank, not only can the height change of the low suspension stroke seat be collected, but also the working stroke of the low suspension stroke seat can be adjusted according to the height change, the control air bag is inflated or deflated, the height adjustment or suspension adjustment is realized in the ultralow stroke of the low suspension stroke seat, or the height adjustment and the suspension adjustment are realized simultaneously, and the comfort of the low suspension stroke seat is improved. In addition, the height control valve for the low-suspension-stroke seat is simple in structure, convenient to install, stable in operation and low in cost.
Further, as shown in fig. 4, two sealing rings are disposed on the inner wall of the valve chamber 411, and a first airflow chamber 411-1 and a second airflow chamber 411-2 are partitioned in the valve chamber 411; the valve rod 420 slides in the valve chamber 411 for different distances, and the first groove 421 crosses the first sealing ring 411-5 to communicate the first airflow cavity 411-1 and the second airflow cavity 411-2, so as to control the inflation of the air bag; the first groove 421 crosses the second sealing ring 411-6 to communicate the second airflow chamber 411-2 with the outside, so as to control the deflation of the air bag. It should be noted that the first air flow chamber and the second air flow chamber are partitioned in the valve chamber by providing the sealing ring, which is only one implementation means, and other manners capable of partitioning the first air flow chamber and the second air flow chamber in the valve chamber are within the protection scope of the present application.
Further, as shown in fig. 5, the two axial ends of the first groove 421 are respectively provided with a second groove 422, the first groove 421 is communicated with the second groove 422, and the width of the second groove 422 is smaller than that of the first groove 421.
When the low suspension travel seat height is at the ride height, both the first recess 421 and the second recess 422 are located within the first airflow chamber 411-1, at which time the air bag is neither inflated nor deflated.
When the second groove 422 positioned at the lower part of the first groove 421 crosses over the first sealing ring 411-5, a trace amount of gas enters the air bag through the second groove 422, and the height of the low suspension stroke seat is increased by a small amplitude; when the second groove 422 located at the upper portion of the first groove 421 crosses over the second packing 411-6, a trace amount of gas is discharged to the atmosphere through the second groove 422, and the height of the low suspension stroke seat is reduced by a small amount.
When the first groove 421 crosses the first sealing ring 411-5, more gas enters the air bag through the first groove 421, and the height of the low suspension stroke seat is increased by a larger amplitude; when the first groove 421 crosses the second seal 411-6, more gas is vented to the atmosphere through the second groove 422 and the height of the low suspension travel seat is reduced by a greater amount.
It can be seen that by providing the first recess 421 and the second recess 422, the levitation adjustment amplitude is gradually changed, and the comfort is further improved.
Further, the first groove 421 includes a rectangular groove and a V-shaped groove which are communicated with each other, and the V-shaped groove is disposed at both axial ends of the rectangular groove. The first recess 421 may be shaped in a top view such that the middle portion is rectangular and the two ends are triangular.
When the height of the low suspension travel seat is at the hover height, the entire structure of the first recess 421 is located within the first airflow chamber 411-1, at which time the air bag is neither inflated nor deflated.
When the V-shaped groove at the lower part of the second groove 422 spans the first sealing ring 411-5, trace gas enters the air bag through the second groove 422, and the height of the low suspension travel seat is increased by a small amplitude; when the V-groove at the upper portion of the second groove 422 crosses the second seal 411-6, a trace amount of gas is discharged to the atmosphere through the second groove 422, and the height of the low suspension stroke seat is reduced by a small amount.
When the rectangular groove of the first groove 421 crosses the first sealing ring 411-5, more gas enters the air bag through the first groove 421, and the height of the low suspension travel seat is increased by a larger amplitude; when the rectangular recess of the first recess 421 spans the second seal 411-6, more air is vented to the atmosphere through the second recess 422 and the height of the low suspension travel seat is reduced by a greater amount.
It can be seen that by setting the shape of the first groove 421 such that the levitation adjustment amplitude is gradually changed, the comfort is further improved.
Of course, in order to prevent the occurrence of the low suspension travel seat bottoming situation, the number of the first grooves 421 may be increased, and the depth of the first grooves 421 may also be changed. The number and depth of the first grooves 421 are not further limited in this application. Simultaneously in order to satisfy the suspension regulation demand of different low suspension stroke seats, also can add the quantity of second recess 422, also can change the degree of depth of second recess 422, this application does not do further injecture to the quantity and the degree of depth of second recess 422.
In conclusion, the adjustment of the suspension height range of the low suspension stroke seat can be realized by changing the positions, the number and the depth of the first groove and the second groove, and the adjustment of the suspension height range of the low suspension stroke seat can also be realized by setting the shape and the depth of the first groove.
Still as shown in fig. 1, the low suspension stroke seat includes a shock absorber upper end cover 1, a shock absorber bottom plate 2, at least two scissor structures 3 are arranged between the shock absorber upper end cover 1 and the shock absorber bottom plate 2, the scissor structures 3 include an inner scissor frame 310 and an outer scissor frame 320, the inner scissor frame 310 is connected with the outer scissor frame 320 through a pin 330, the low suspension stroke seat height control valve 4 is arranged between the shock absorber upper end cover 1 and the shock absorber bottom plate 2, the low suspension stroke seat height control valve 4 can not only collect height changes between the shock absorber upper end cover 1 and the shock absorber bottom plate 2, but also adjust working stroke thereof according to the height changes, thereby controlling inflation or deflation of the air bag.
Therefore, the height control valve for the low suspension stroke seat is of a linear structure, so long as the height control valve 4 for the low suspension stroke seat is arranged between the shock absorber upper end cover 1 and the shock absorber bottom plate 2, the height change between the shock absorber upper end cover 1 and the shock absorber bottom plate 2 can be collected, the working stroke of the height control valve can be adjusted according to the height change, the air bag is controlled to be inflated or deflated, the height adjustment or suspension adjustment of the low suspension stroke seat is realized, or the height adjustment and the suspension adjustment are realized simultaneously, and therefore the installation position of the height control valve for the low suspension stroke seat is not limited, and the application is stronger.
The installation mode of the height control valve for the low suspension stroke seat mainly comprises the following steps:
firstly, a first rotary connecting piece 423 is arranged on the valve rod 420, and the valve rod 420 is rotatably connected with the damping upper end cover 1 through the first rotary connecting piece 423; the valve body 410 is provided with a second rotary connector 412, and the valve body 410 is rotatably connected with the shock absorber bottom plate 2 through the second rotary connector 412.
Secondly, a first rotary connecting piece 423 is arranged on the valve rod 420, and the valve rod 420 is rotatably connected with the pin shaft 330 through the first rotary connecting piece 423; the valve body 410 is provided with a second rotary connector 412, and the valve body 410 is rotatably connected with the shock absorber bottom plate 2 through the second rotary connector 412.
Thirdly, a first rotary connecting piece 423 is arranged on the valve rod 420, and the valve rod 420 is rotatably connected with the inner scissor frame 310 or the outer scissor frame 320 through the first rotary connecting piece 423; the valve body 410 is provided with a second rotary connector 412, and the valve body 410 is rotatably connected with the shock absorber bottom plate 2 through the second rotary connector 412.
Further, in order to realize the rotatable connection of the valve rod 420 and the damping upper end cap 1, the inner scissor frame 310 or the outer scissor frame 320, a first fixing device (not shown in the figure) for rotatably connecting with the first rotary connecting member 423 may be provided on the damping upper end cap 1, the inner scissor frame 310 or the outer scissor frame 320, for example, the first fixing device is a cylindrical protrusion, and the first rotary connecting member 423 is rotatably connected with the cylindrical protrusion; in addition, in order to achieve a rotatable connection of the valve body 410 to the damper base plate 2, a second fixing device 5 for a rotatable connection with a second rotary joint 412 is provided on the damper base plate 2. For example, the second fixing device 5 comprises an L-shaped base, on which a cylindrical protrusion is arranged, and the second rotating connector 412 is rotatably connected with the cylindrical protrusion.
Further, as also shown in fig. 3 or 4, an end portion of the valve chamber 411 is provided with an end cap 411-7, and the end cap 411-7 is provided with a through hole through which the valve rod 420 is axially reciprocatingly slidable in the valve chamber 411. The end cover plays a guiding role in the valve rod, and normal work of the valve rod is guaranteed.
Further, in order to better arrange the sealing ring on the inner wall of the valve chamber 411, two installation grooves for fixing the sealing ring are arranged on the inner wall of the valve chamber 411, and the thickness of the installation grooves is smaller than that of the sealing ring, so that the smooth sliding of the valve rod in the valve chamber is ensured.
Further, as shown in fig. 4, the sealing ring is disposed on the inner wall of the valve chamber 411, and besides the mounting groove for the sealing ring is disposed on the inner wall of the valve chamber 411, the sealing ring can be disposed in the following manner: a step 411-8 is arranged in the valve chamber, and a first sealing ring 411-5 is arranged on the step 411-8; the second sealing ring 411-6 is arranged on the end cover 411-7; a supporting part 411-9 is arranged between the first sealing ring 411-5 and the second sealing ring 411-6, and the thickness of the supporting part 411-9 is smaller than that of the two sealing rings, so that the smooth sliding of the valve rod in the valve chamber is ensured. In practical applications, the arrangement mode of the seal ring can be selected as needed, and the arrangement mode of the seal ring is not further limited in the present application.
In conclusion, the height control valve for the low suspension stroke seat is of a linear structure and is adaptive to the structure of the shear shank, so that the height control valve is matched with the movement of the shear shank and can move to a lower position along with the shear shank, the height change of the low suspension stroke seat can be collected, the working stroke of the low suspension stroke seat can be adjusted according to the height change, the air bag is controlled to be inflated or deflated, the height adjustment and/or suspension adjustment can be achieved in the ultra-low stroke of the low suspension stroke seat, and the comfort of the low suspension stroke seat is improved. In addition, the height control valve for the low-suspension-stroke seat is simple in structure, convenient to install, stable in operation and low in cost.
It should be noted that the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made in the technical solutions described in the foregoing embodiments, or some technical features thereof can be replaced. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (11)
1. A height control valve for a low suspension stroke seat is characterized by comprising a valve body and a valve rod, wherein a valve chamber is arranged in the valve body, and the valve rod can axially slide in a reciprocating manner in the valve chamber;
the valve chamber is provided with a first airflow cavity and a second airflow cavity, the first airflow cavity is connected with an air source, and the second airflow cavity is connected with an air bag;
the outer wall of the valve rod is provided with at least one first groove;
the valve rod slides in the valve chamber for different distances, and the first groove is communicated with the first air flow cavity and the second air flow cavity, or the first groove is communicated with the second air flow cavity and the outside.
2. The low suspension travel seat height control valve of claim 1, wherein two seals are disposed on an inner wall of said valve chamber, and a first air flow chamber and a second air flow chamber are partitioned in said valve chamber;
the valve rod slides in the valve chamber for different distances, and the first groove spans a first sealing ring to communicate the first air flow cavity and the second air flow cavity; the first groove crosses over the second sealing ring to communicate the second airflow cavity and the outside.
3. The height control valve for a low suspension stroke seat according to claim 1, wherein second grooves are provided at both axial ends of the first groove, respectively, the first groove communicates with the second grooves, and the width of the second grooves is smaller than the width of the first grooves.
4. The low suspension travel seat height control valve of claim 1, wherein the first recess comprises a rectangular recess and a V-shaped recess communicating with each other, the V-shaped recess being provided at both ends of the rectangular recess.
5. The height control valve for a low suspension travel seat of claim 1, wherein the low suspension travel seat comprises a shock absorber upper end cap, a shock absorber base plate, and wherein at least two scissor structures are disposed between the shock absorber upper end cap and the shock absorber base plate, wherein the scissor structures comprise an inner scissor frame and an outer scissor frame, wherein the inner scissor frame is connected to the outer scissor frame by a pin, and wherein the height control valve for a low suspension travel seat is disposed between the shock absorber upper end cap and the shock absorber base plate.
6. The low suspension travel seat height control valve of claim 5,
the valve rod is provided with a first rotary connecting piece, and the valve rod is rotatably connected with the damping upper end cover, the pin shaft, the inner scissor frame or the outer scissor frame through the first rotary connecting piece;
the valve body is provided with a second rotary connecting piece, and the valve body is rotatably connected with the shock absorber bottom plate through the second rotary connecting piece.
7. The low suspension travel seat height control valve of claim 6,
the damping upper end cover, the inner scissor frame or the outer scissor frame are provided with first fixing devices which are used for being rotationally connected with the first rotating connecting piece;
and a second fixing device which is used for being rotationally connected with the second rotating connecting piece is arranged on the bottom plate of the shock absorber.
8. The low suspension travel seat height control valve of claim 2,
the inner wall of the valve chamber is provided with two mounting grooves for fixing the sealing ring, and the thickness of the mounting grooves is smaller than that of the sealing ring.
9. The low suspension travel seat height control valve of claim 2,
an end cover is arranged at the end part of the valve chamber, a through hole is formed in the end cover, and the valve rod can axially slide in the valve chamber in a reciprocating mode through the through hole.
10. The low suspension travel seat height control valve of claim 9,
a step is arranged in the valve chamber, and the first sealing ring is arranged on the step;
the second sealing ring is arranged on the end cover;
a supporting piece is arranged between the first sealing ring and the second sealing ring, and the thickness of the supporting piece is smaller than that of the sealing ring.
11. A low suspension travel seat comprising a shock absorber upper end cap and a shock absorber bottom plate, wherein an air bag and a height control valve for a low suspension travel seat according to any one of claims 1 to 10 are provided between the shock absorber upper end cap and the shock absorber bottom plate, and the low suspension travel seat height control valve is configured to collect height information between the shock absorber upper end cap and the shock absorber bottom plate and control the air bag to be inflated or deflated according to the height information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022847934.2U CN213799353U (en) | 2020-12-01 | 2020-12-01 | Height control valve for low-suspension-stroke seat and low-suspension-stroke seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022847934.2U CN213799353U (en) | 2020-12-01 | 2020-12-01 | Height control valve for low-suspension-stroke seat and low-suspension-stroke seat |
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| Publication Number | Publication Date |
|---|---|
| CN213799353U true CN213799353U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022847934.2U Active CN213799353U (en) | 2020-12-01 | 2020-12-01 | Height control valve for low-suspension-stroke seat and low-suspension-stroke seat |
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| CN (1) | CN213799353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022116757A1 (en) * | 2020-12-01 | 2022-06-09 | 北京光华荣昌汽车部件有限公司 | Height control valve for low-suspension-travel seat, and low-suspension-travel seat |
-
2020
- 2020-12-01 CN CN202022847934.2U patent/CN213799353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022116757A1 (en) * | 2020-12-01 | 2022-06-09 | 北京光华荣昌汽车部件有限公司 | Height control valve for low-suspension-travel seat, and low-suspension-travel seat |
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