CN114135618A - Air spring integrated altitude valve - Google Patents

Air spring integrated altitude valve Download PDF

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Publication number
CN114135618A
CN114135618A CN202111423680.4A CN202111423680A CN114135618A CN 114135618 A CN114135618 A CN 114135618A CN 202111423680 A CN202111423680 A CN 202111423680A CN 114135618 A CN114135618 A CN 114135618A
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CN
China
Prior art keywords
air
valve
valve core
exhaust
cavity
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Granted
Application number
CN202111423680.4A
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Chinese (zh)
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CN114135618B (en
Inventor
齐书红
邓飞
肖明杰
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Hubei Huigong Precision Machinery Technology Co ltd
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Hubei Huigong Precision Machinery Technology Co ltd
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Priority to CN202111423680.4A priority Critical patent/CN114135618B/en
Publication of CN114135618A publication Critical patent/CN114135618A/en
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Publication of CN114135618B publication Critical patent/CN114135618B/en
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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
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • 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
    • B60G17/0523—Regulating distributors or valves for pneumatic springs
    • B60G17/0525—Height adjusting or levelling valves
    • 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
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity

Abstract

The invention discloses an air spring integrated altitude valve, the altitude valve is covered with an air bag, comprising: the cover body, the valve body and the driving assembly; a containing cavity is axially formed in the cover body, and a containing groove is formed in the side wall of the containing cavity; the valve body comprises a valve seat, a valve core static sheet and a valve core dynamic sheet, the valve seat is fixedly arranged in the arrangement groove, the valve core static sheet is arranged on the valve seat and forms four air cavities which are not communicated with each other with the valve seat, the valve core static sheet is sequentially provided with two air inlets and two air outlets which are distributed in a vertically staggered manner from left to right, the air cavities connected with the two air inlets are communicated with an air source, the air cavities connected with the two air outlets are communicated with the atmosphere, the air inlets and the air outlets are communicated with the air bag, and the valve core dynamic sheet is slidably arranged on the valve core static sheet and can seal the air inlets and the air outlets; the driving assembly is in transmission connection with the valve core moving piece and is used for driving the valve core moving piece to be attached to the valve core static piece to do rotary reciprocating motion. The invention can not only improve the driving comfort, but also effectively reduce the air energy loss.

Description

Air spring integrated altitude valve
Technical Field
The invention relates to the technical field of air springs of automobile suspension systems, in particular to an air spring integrated height valve.
Background
The height valve integrated with the air spring is a height adjusting valve integrated in the air spring, and air intake or exhaust actions of the air spring can be completed by dynamically sensing height changes of a vehicle, so that the height of the air spring is adjusted, and the comfort of a driver is improved.
When the automobile body vibrates downwards, the swing support deflects rightwards by a certain angle to enable the valve core to be in an air inlet state, the height of the whole air spring is increased, and the aim of reducing the downward amplitude is fulfilled. Because the air inlet hole and the exhaust hole which are arranged on the valve core are only one, when the vehicle body vibrates in a small amplitude, the air inlet hole and the exhaust hole have large flow area, and the height of the air spring rises or falls in a large amplitude, so that the driving comfort is not high and the air energy loss is quick.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
In view of this, it is necessary to provide an air spring integrated height valve, which solves the technical problems of the prior art that when the vehicle body has a small amplitude, the flow area in the air inlet and the air outlet is large, the driving comfort is not high, and the air energy loss is fast.
In order to achieve the technical purpose, the technical scheme of the invention provides an air spring integrated height valve, wherein an air bag is coated outside the height valve, and the air spring integrated height valve comprises: the cover body, the valve body and the driving assembly; a containing cavity is axially formed in the cover body, and a containing groove is formed in the side wall of the containing cavity; the valve body comprises a valve seat, a valve core static sheet and a valve core moving sheet, the valve seat is fixedly arranged in the arrangement groove, the valve core static sheet is arranged on the valve seat and forms at least four air cavities which are not communicated with each other with the valve seat, the valve core static sheet is sequentially provided with at least two air inlets and at least two air outlets which are distributed in a vertically staggered manner from left to right, the air cavities which are respectively connected with the at least two air inlets are communicated with an air source, the air cavities which are respectively connected with the at least two air outlets are communicated with the atmosphere, the air inlets and the air outlets are both communicated with the air bag, and the valve core moving sheet is slidably arranged on the valve core static sheet and can seal the air inlets and the air outlets; the driving assembly is in transmission connection with the valve core moving piece and is used for driving the valve core moving piece to be attached to the valve core static piece to do rotary reciprocating motion, and when the valve core moving piece rotates towards one side, the valve core moving piece sequentially opens at least two air inlet holes; when the valve core moving piece rotates towards the other side, the valve core moving piece sequentially opens at least two exhaust holes.
Furthermore, the inlet port includes first inlet port and second inlet port from a left side to a right side in proper order, the exhaust hole includes first exhaust hole and second exhaust hole from a right side to a left side in proper order.
Further, the air cavity comprises a first air inlet cavity, a second air inlet cavity, a first air exhaust cavity and a second air exhaust cavity, the first air inlet cavity and the second air inlet cavity are respectively connected with the first air inlet hole and the second air inlet hole, and an air inlet of the first air inlet cavity is smaller than an air inlet of the second air inlet cavity; the first exhaust cavity and the second exhaust cavity are respectively connected with the first exhaust hole and the second exhaust hole, and an exhaust port of the first exhaust cavity is smaller than an exhaust port of the second exhaust cavity.
Further, the aperture of the first air inlet hole is smaller than that of the second air inlet hole; the aperture of the first exhaust hole is smaller than that of the second exhaust hole.
Furthermore, an air inlet interface and an air outlet interface are arranged on the end surface of the cover body, and the air source is respectively communicated with the air inlet of the first air inlet cavity and the air inlet of the second air inlet cavity through the air inlet interface; and the atmosphere is respectively communicated with the exhaust port of the first exhaust cavity and the exhaust port of the second exhaust cavity through the exhaust interface.
Further, the driving assembly comprises a guide piece and a swing support, a guide groove is axially formed in the side wall of the guide piece, one end of the guide piece is slidably arranged in the containing cavity and is elastically connected with the bottom surface of the containing cavity, the swing support is rotatably connected with the valve seat, one end of the swing support is abutted to the valve element moving piece, a pin shaft is installed at the other end of the swing support and is inserted into the guide groove in a matched mode, and when the guide piece reciprocates up and down, the pin shaft rotates and reciprocates along the guide groove and drives the valve element moving piece to rotate and reciprocate through the swing support.
Furthermore, the pin shaft is provided with a groove, a damping spring is installed in the groove, and one end, far away from the groove, of the damping spring is abutted to the swing support.
Furthermore, one end of the pin shaft, which is far away from the guide groove, is inserted into the swing bracket in a matching manner, and the pin shaft is in interference fit with the swing bracket.
Furthermore, a return spring is installed on the bottom surface of the accommodating cavity and is fixedly connected with one end of the guide piece.
Furthermore, an elastic pad is installed at one end of the swing support and is abutted to the valve core moving piece.
Furthermore, the altitude valve also comprises a positioning sleeve, the positioning sleeve is detachably arranged in the containing cavity through a bolt, and the valve seat is arranged between the positioning sleeve and the cover body.
Furthermore, a sealing gasket is arranged between the valve seat and the valve element stator, two sides of the valve element stator are provided with buckles, and the two buckles are abutted against the end face of the valve element stator so as to fix the valve element stator on the valve seat.
Compared with the prior art, the invention has the beneficial effects that: the valve core static sheet is arranged on the valve seat, and at least four air cavities which are not communicated with each other are formed between the valve core static sheet and the valve seat, the valve core static sheet is sequentially provided with at least two air inlets and at least two air outlets which are distributed in a vertically staggered manner from left to right, and when the valve core dynamic sheet rotates towards one side, the valve core dynamic sheet sequentially opens the at least two air inlets; when the valve core moving piece rotates towards the other side, the valve core moving piece sequentially opens at least two exhaust holes; through the above setting mode, when the automobile body takes place less vibration, case rotor plate is rotatory right or left, causes first inlet port or first exhaust hole to admit air or exhaust, and when the automobile body took place great vibration, first inlet port and second inlet port admit air simultaneously or first exhaust hole and second exhaust hole are exhausted simultaneously, and above mode has realized the hierarchical regulation of gaseous flow area, not only can promote the driving comfort, can effectively reduce the air energy loss moreover.
Drawings
FIG. 1 is a cross-sectional view of an air spring integrated height valve according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an air spring integrated height valve according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a valve body and drive assembly according to an embodiment of the invention:
FIG. 4 is a schematic structural view of an air spring integrated pendulum support, valve seat and snap in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a valve seat according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a valve core rotor according to an embodiment of the present invention, wherein the valve core rotor rotates to one side;
FIG. 7 is a schematic view of the valve core rotor plate rotating to the other side according to an embodiment of the present invention;
in the figure: 1. the air inlet valve comprises a cover body, 11 air inlet connectors, 12 air outlet connectors, 13 return springs, 1a containing cavity, 2 valve bodies, 21 valve seats, 22 valve core static sheets, 221 first air inlet holes, 222 second air inlet holes, 223 first air outlet holes, 224 second air outlet holes, 2a1. first air inlet cavities, 2a2 second air inlet cavities, 2a3. first air outlet cavities, 2a4. second air outlet cavities, 23 valve core dynamic sheets, 24 buckles, 3 driving assemblies, 31 guiding pieces, 32 swing supports, 33 pin shafts, 34 damping springs, 35 elastic cushions and 4 positioning sleeves.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and, together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
1-7, the present invention provides an air spring integrated height valve having an air bag wrapped around the height valve, comprising: lid 1, valve body 2 and drive assembly 3.
A containing cavity 1a is axially formed in the cover body 1, and a placing groove is formed in the side wall of the containing cavity 1a.
The valve body 2 comprises a valve seat 21, a valve core static sheet 22 and a valve core moving sheet 23, the valve seat 21 is fixedly arranged in the arrangement groove, the valve core static sheet 22 is arranged on the valve seat 21 and at least four air cavities which are not communicated with each other are formed between the valve seat 21, the valve core static sheet 22 is sequentially provided with at least two air inlets and at least two air outlets which are distributed in a vertically staggered manner from left to right, the at least two air inlets are respectively connected with the air cavities which are communicated with an air source, the at least two air outlets are respectively connected with the air cavities which are communicated with the atmosphere, the air inlets and the air outlets are communicated with the air bag, and the valve core moving sheet 23 is slidably arranged on the valve core static sheet 22 and can seal the air inlets and the air outlets.
The driving component 3 is in transmission connection with the valve core moving piece 23 and is used for driving the valve core moving piece 23 to be attached to the valve core static piece 22 to do rotary reciprocating motion, and when the valve core moving piece 23 rotates towards one side, the valve core moving piece 23 sequentially opens at least two air inlet holes; when the valve core moving piece 23 rotates towards the other side, the valve core moving piece 23 sequentially opens at least two exhaust holes.
Wherein the air inlet holes sequentially include a first air inlet hole 221 and a second air inlet hole 222 from left to right, and the exhaust hole sequentially includes a first exhaust hole 223 and a second exhaust hole 224 from right to left.
In the present embodiment, referring to fig. 1, 2, 6 and 7, the vehicle body does not vibrate up and down, the valve core moving plate 23 is attached to the valve core stationary plate 22 and seals the first air inlet hole 221, the second air inlet hole 222, the first air outlet hole 223 and the second air outlet hole 224; when the automobile body vibrates upwards, the driving assembly 3 drives the valve core moving piece 23 to rotate leftwards, the first exhaust hole 223 is gradually opened, gas in the air bag is exhausted to the atmosphere from the first exhaust hole 223, the height of the air spring is reduced, and the purpose of reducing the upward amplitude is achieved; when the automobile body vibrates downwards, the driving assembly 3 drives the valve core moving piece 23 to rotate rightwards, the first air inlet hole 221 is gradually opened, gas of a gas source enters the air bag from the first air inlet hole 221, the height of the air spring is increased, the purpose of reducing downward amplitude is achieved, if the amplitude of the automobile body is too large, the valve core moving piece 23 continues to rotate rightwards until the first air inlet hole 221 and the second air inlet hole 222 are simultaneously opened, the requirement of larger air body overflowing area is met, downward amplitude is further reduced, and driving comfort is improved.
Specifically, the air chambers include a first air inlet chamber 2a1, a second air inlet chamber 2a2, a first air exhaust chamber 2a3 and a second air exhaust chamber 2a4, the first air inlet chamber 2a1 and the second air inlet chamber 2a2 are respectively connected with the first air inlet hole 221 and the second air inlet hole 222, and an air inlet of the first air inlet chamber 2a1 is smaller than an air inlet of the second air inlet chamber 2a 2; the first exhaust chamber 2a3 and the second exhaust chamber 2a4 are respectively connected with the first exhaust hole 223 and the second exhaust hole 224, and the exhaust port of the first exhaust chamber 2a3 is smaller than the exhaust port of the second exhaust chamber 2a 4; preferably, the diameters of the air inlet of the first air inlet cavity 2a1 and the air outlet of the first exhaust cavity 2a3 are both 0.5cm, and the diameters of the air inlet of the second air inlet cavity 2a2 and the air outlet of the second exhaust cavity 2a4 are both 1 cm.
In this embodiment, referring to fig. 5, 6 and 7, in order to solve the problem that the vibration of the vehicle body occurs in a smaller amplitude, when the first air inlet 221 or the first air outlet 223 is opened, the air flow area is too large, the air energy loss is large, and the driving comfort is not good, the structure of the air chamber is further limited, wherein the air inlet of the first air inlet chamber 2a1 is smaller than the air inlet of the second air inlet chamber 2a2, and the air outlet of the first air outlet chamber 2a3 is smaller than the air outlet of the second air outlet chamber 2a4.
In addition, the structure of the air chambers is further limited, and the air chambers are preferably arranged in a manner of reducing the air flow area of the first air inlet 221 or the first air outlet 223, but not limited thereto, for example, the sizes of the air inlets of the first air inlet chamber 2a1 and the second air inlet chamber 2a2 and the air outlets of the first air outlet chamber 2a3 and the second air outlet chamber 2a4 are the same; the first air inlet hole 221 has a smaller diameter than the second air inlet hole 222, and the first air outlet hole 223 has a smaller diameter than the second air outlet hole 224.
Further, referring to fig. 2 and 5, an air inlet port 11 and an air outlet port 12 are formed on an end surface of the cover body 1, and the air source is respectively communicated with an air inlet of the first air inlet cavity 2a1 and an air inlet of the second air inlet cavity 2a2 through the air inlet port 11; the atmosphere communicates with the exhaust ports of the first exhaust chamber 2a3 and the second exhaust chamber 2a4 through the exhaust port 12, respectively.
It should be noted that, the number of the air chambers is 4, and the number of the air inlets and the number of the air outlets are 2 respectively, which is a preferred arrangement manner, but not limited thereto, for example, the number of the air chambers is 6, and the number of the air inlets and the number of the air outlets are 3 respectively, which can also achieve the purpose of adjusting the gas flow area in stages.
Further, the driving assembly 3 includes a guide member 31 and a swing bracket 32, a guide groove is axially formed in a side wall of the guide member 31, one end of the guide member 31 is slidably disposed in the accommodating cavity 1a, a return spring 13 is mounted on a bottom surface of the accommodating cavity 1a, and the return spring 13 is fixedly connected with one end of the guide member 31; the swing support 32 is rotatably connected with the valve seat 21, one end of the swing support 32 is abutted to the valve core moving piece 23, the other end of the swing support 32 is provided with a pin shaft 33, the pin shaft 33 is inserted into the guide groove in a matching manner, and when the guide piece 31 reciprocates up and down, the pin shaft 33 rotates and reciprocates along the guide groove and drives the valve core moving piece 23 to rotate and reciprocate through the swing support 32.
In the present embodiment, referring to fig. 1, 2, 3 and 4, the structure of the driving assembly 3 is further defined, when the automobile body vibrates upwards, the guide piece 31 vibrates upwards, the pin shaft 33 rotates in the guide groove and slides simultaneously, because one end of the pin shaft 33 far away from the guide groove is fixed with the swinging bracket 32, that is, the rotation of the pin 33 can drive the swing bracket 32 to rotate, because one end of the swing bracket 32 is attached to the valve core rotor 23, that is, the rotation of the swing bracket 32 drives the valve core rotor 23 to rotate, at this time, the return spring 13 is in a compressed state, when the automobile body tends to be stable, the return spring 13 drives the guide piece 31 to move downwards until the original state is recovered, at the moment, the automobile body tends to be stable, and the valve core movable plate 23 is attached to the valve core stationary plate 22 and closes the first intake hole 221, the second intake hole 222, the first exhaust hole 223 and the second exhaust hole 224.
Furthermore, the pin shaft 33 is provided with a groove, a damping spring 34 is installed in the groove, and one end of the damping spring 34, which is far away from the groove, is abutted against the swing bracket 32; an elastic pad 35 is installed at one end of the swing bracket 32, and the elastic pad 35 abuts against the valve core moving piece 23.
In this embodiment, referring to fig. 1 and 3, a damping spring 34 is installed in the groove, and the damping spring 34 is in a compressed state, so that one end of the pin shaft 33 away from the damping spring 34 abuts against the bottom of the guide groove, when the pin shaft 33 moves in the guide groove, the elastic force of the damping spring 34 can effectively reduce vibration and increase the stability of movement; by mounting the elastic pad 35 on the swing bracket 32, the frictional force between the swing bracket 32 and the valve element moving piece 23 can be increased.
In addition, referring to fig. 1 and 4, the altitude valve further includes a positioning sleeve 4, the positioning sleeve 4 is detachably mounted in the cavity 1a through a bolt, and the valve seat 21 is mounted between the positioning sleeve 4 and the cover 1; a sealing gasket is arranged between the valve seat 21 and the valve core stator 22, buckles 24 are installed on two sides of the valve core stator 22, and the two buckles 24 are abutted to the end face of the valve core stator 22 so as to fix the valve core stator 22 on the valve seat 21.
According to the specific working process of the invention, the automobile body does not vibrate up and down, the movable valve element sheet 23 is attached to the fixed valve element sheet 22 and seals the first air inlet 221, the second air inlet 222, the first exhaust hole 223 and the second exhaust hole 224; when the automobile body vibrates upwards, the guide piece 31 vibrates upwards, the pin shaft 33 rotates and slides in the guide groove at the same time, the rotation of the pin shaft 33 can drive one end of the swing bracket 32 to rotate leftwards, and further drive the valve core moving piece 23 to rotate leftwards, the first exhaust hole 223 is gradually opened, gas in the air bag is exhausted to the atmosphere from the first exhaust hole 223, and the height of the air spring is reduced so as to reduce the upward amplitude; if the amplitude of the vehicle body is too large, the valve core moving piece 23 continues to rotate leftwards until the first exhaust hole 223 and the second exhaust hole 224 are opened simultaneously, so that the requirement of larger gas flow area is met, and the upward amplitude is further reduced; when the automobile body vibrates downwards, the guide piece 31 vibrates downwards, the pin shaft 33 rotates in the guide groove and drives the swing support 32 to rotate rightwards, the valve core moving piece 23 is further driven to rotate rightwards, the first air inlet hole 221 is gradually opened, air of an air source enters the air bag from the first air inlet hole 221, the height of the air spring is increased, the downward amplitude is reduced, if the amplitude of the automobile body is too large, the valve core moving piece 23 continues to rotate rightwards until the first air inlet hole 221 and the second air inlet hole 222 are simultaneously opened, the requirement of larger air body overflowing area is met, and the downward amplitude is further reduced.
The entire workflow is completed and the details not described in detail in this specification are well within the skill of those in the art.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. An air spring integrated height valve having an air bag wrapped around the height valve, comprising: the cover body, the valve body and the driving assembly;
a containing cavity is axially formed in the cover body, and a containing groove is formed in the side wall of the containing cavity;
the valve body comprises a valve seat, a valve core static sheet and a valve core moving sheet, the valve seat is fixedly arranged in the arrangement groove, the valve core static sheet is arranged on the valve seat and forms at least four air cavities which are not communicated with each other with the valve seat, the valve core static sheet is sequentially provided with at least two air inlets and at least two air outlets which are distributed in a vertically staggered manner from left to right, the air cavities which are respectively connected with the at least two air inlets are communicated with an air source, the air cavities which are respectively connected with the at least two air outlets are communicated with the atmosphere, the air inlets and the air outlets are both communicated with the air bag, and the valve core moving sheet is slidably arranged on the valve core static sheet and can seal the air inlets and the air outlets;
the driving assembly is in transmission connection with the valve core moving piece and is used for driving the valve core moving piece to be attached to the valve core static piece to do rotary reciprocating motion, and when the valve core moving piece rotates towards one side, the valve core moving piece sequentially opens at least two air inlet holes; when the valve core moving piece rotates towards the other side, the valve core moving piece sequentially opens at least two exhaust holes.
2. The air spring integrated height valve of claim 1 wherein the two inlet ports are a first inlet port and a second inlet port in a left-to-right sequence and the two exhaust ports are a second exhaust port and a first exhaust port in a left-to-right sequence.
3. The air spring integrated height valve of claim 2, wherein the air cavity comprises a first air inlet cavity, a second air inlet cavity, a first air exhaust cavity and a second air exhaust cavity, the first air inlet cavity and the second air inlet cavity are connected to the first air inlet hole and the second air inlet hole, respectively, and the air inlet of the first air inlet cavity is smaller than the air inlet of the second air inlet cavity; the first exhaust cavity and the second exhaust cavity are respectively connected with the first exhaust hole and the second exhaust hole, and an exhaust port of the first exhaust cavity is smaller than an exhaust port of the second exhaust cavity.
4. The air spring integrated height valve of claim 2, wherein the first inlet port has a smaller aperture than the second inlet port; the aperture of the first exhaust hole is smaller than that of the second exhaust hole.
5. The air spring integrated height valve according to claim 1, wherein the driving assembly comprises a guide member and a swing bracket, a guide groove is axially formed in a side wall of the guide member, one end of the guide member is slidably disposed in the accommodating cavity and elastically connected to a bottom surface of the accommodating cavity, the swing bracket is rotatably connected to the valve seat, one end of the swing bracket abuts against the valve element moving piece, and the other end of the swing bracket is provided with a pin shaft which is fittingly inserted into the guide groove.
6. The air spring integrated height valve of claim 3, wherein the pin is formed with a recess, a damping spring is mounted in the recess, and an end of the damping spring remote from the recess abuts the swing bracket; and a return spring is arranged on the bottom surface of the accommodating cavity and is fixedly connected with one end of the guide piece.
7. The air spring integrated height valve of claim 3 wherein a resilient pad is mounted to one end of the rocker bracket and abuts the valve member follower.
8. The air spring integrated height valve of claim 1 further comprising a retaining sleeve removably mounted within the cavity by bolts, the valve seat being mounted between the retaining sleeve and the cover.
9. The air spring integrated height valve of claim 1, wherein a gasket is disposed between the valve seat and the spool stator, wherein two sides of the spool stator are provided with a snap fastener, and both of the snap fasteners are abutted against an end surface of the spool stator for fixing the spool stator to the valve seat.
10. The air spring integrated altitude valve of claim 2, wherein an air inlet port and an air outlet port are formed on an end surface of the cover, and the air source is respectively communicated with the air inlet of the first air inlet chamber and the air inlet of the second air inlet chamber through the air inlet ports; and the atmosphere is respectively communicated with the exhaust port of the first exhaust cavity and the exhaust port of the second exhaust cavity through the exhaust interface.
CN202111423680.4A 2021-11-26 2021-11-26 Air spring integrated altitude valve Active CN114135618B (en)

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CN202111423680.4A CN114135618B (en) 2021-11-26 2021-11-26 Air spring integrated altitude valve

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Application Number Priority Date Filing Date Title
CN202111423680.4A CN114135618B (en) 2021-11-26 2021-11-26 Air spring integrated altitude valve

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CN114135618B CN114135618B (en) 2023-02-28

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Publication number Priority date Publication date Assignee Title
US20040245687A1 (en) * 2003-06-04 2004-12-09 Darryl Sendrea Vehicle suspension damper with integral height leveling valve
CN200942701Y (en) * 2006-09-04 2007-09-05 万安集团诸暨汽车制动系统有限公司 Automobile altitude valve assembly
CN104534007A (en) * 2015-01-07 2015-04-22 青岛思锐科技有限公司 Air spring shock absorber assembly with internally-arranged type altitude valve
CN104728331A (en) * 2015-04-02 2015-06-24 黎吉明 Altitude valve
CN204586415U (en) * 2015-05-14 2015-08-26 湖北善工精机科技有限公司 A kind of large discharge vehicle height control valve
CN106061766A (en) * 2014-02-03 2016-10-26 克诺尔商用车制动系统有限公司 Air spring assembly having an integrated control valve and a seesaw-shaped actuating element
WO2019175247A1 (en) * 2018-03-15 2019-09-19 Vibracoustic Cv Air Springs Gmbh Pneumatic spring or pneumatic spring damper
CN210912116U (en) * 2019-10-18 2020-07-03 安路普（北京）汽车技术有限公司 Device, seat and vehicle suspension system for adjusting damping force and height

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040245687A1 (en) * 2003-06-04 2004-12-09 Darryl Sendrea Vehicle suspension damper with integral height leveling valve
CN200942701Y (en) * 2006-09-04 2007-09-05 万安集团诸暨汽车制动系统有限公司 Automobile altitude valve assembly
CN106061766A (en) * 2014-02-03 2016-10-26 克诺尔商用车制动系统有限公司 Air spring assembly having an integrated control valve and a seesaw-shaped actuating element
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