CN218718460U - Height adjusting valve group - Google Patents

Height adjusting valve group Download PDF

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Publication number
CN218718460U
CN218718460U CN202222998783.XU CN202222998783U CN218718460U CN 218718460 U CN218718460 U CN 218718460U CN 202222998783 U CN202222998783 U CN 202222998783U CN 218718460 U CN218718460 U CN 218718460U
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China
Prior art keywords
valve
oil
solenoid valve
speed regulating
descending
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CN202222998783.XU
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Chinese (zh)
Inventor
张熙隆
王萍
毛楚男
李立军
彭裕平
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Special Vehicle Technology Center of Hubei Aerospace Technology Research Institute
Hubei Sanjiang Space Wanshan Special Vehicle Co Ltd
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Special Vehicle Technology Center of Hubei Aerospace Technology Research Institute
Hubei Sanjiang Space Wanshan Special Vehicle Co Ltd
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Application filed by Special Vehicle Technology Center of Hubei Aerospace Technology Research Institute, Hubei Sanjiang Space Wanshan Special Vehicle Co Ltd filed Critical Special Vehicle Technology Center of Hubei Aerospace Technology Research Institute
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Abstract

The utility model discloses a height control valves, including valve piece and four at least group regulating unit, every group regulating unit includes the solenoid valve that rises, the decline solenoid valve, rise speed regulating valve and decline governing valve, when the solenoid valve that rises is electrified, the high pressure oil from hydraulic oil source output loops through the oil inlet, rise speed regulating valve and rise solenoid valve, inside rethread external hydraulic fluid port gets into suspension system, make the oil gas suspension rise, and through rise speed regulating valve control rising speed, when the solenoid valve that falls is electrified, the inside fluid of suspension system loops through decline solenoid valve and decline speed regulating valve, and flow back to the oil tank through the oil return opening, and then make the oil gas suspension reduce, and carry out the control of falling speed through the operation decline solenoid valve, communicate between rise solenoid valve and the decline solenoid valve, so that when the solenoid valve all is not electrified, restrict the inside fluid flow region of suspension system, make the oil gas suspension gesture remain unchanged, and utilize the detection of pressure measuring pair corresponding position pressure.

Description

Height adjusting valve group
Technical Field
The application relates to the technical field of automobile oil-gas suspension chassis, in particular to a height adjusting valve group.
Background
The chassis adopting the hydro-pneumatic suspension has certain requirements on the adjustment of the posture of the vehicle body, when the chassis is in the non-vehicle body posture adjustment, the hydro-pneumatic suspension is required to have a good vehicle body position maintaining function, a control unit for controlling the oil to enter and exit needs to be additionally arranged between the hydro-pneumatic suspension and an external oil source, on one hand, when the chassis is used for posture adjustment, the oil for controlling the external oil source enters an oil-gas spring or controls the oil inside the oil-gas spring to flow back to an external oil tank, and on the other hand, when the chassis is in the non-vehicle body posture adjustment state, the oil locking device is used for realizing the cut-off of the oil of the hydro-pneumatic suspension and the external oil source.
At present, two ways of vehicle body posture adjustment and vehicle body position maintenance of an oil-gas suspension are adopted, wherein one way is to realize the adjustment of the vehicle body posture by using a reversing valve and a speed regulating valve and simultaneously realize the maintenance of the vehicle body position by using a hydraulic lock; the other is to use a reversing valve and a speed regulating valve to realize the adjustment of the posture of the car body, and simultaneously use a manual ball valve to realize the maintenance of the position of the car body.
However, the currently adopted reversing valve and speed regulating valve have the defects of low integration level, large structure, large leakage amount and the like; the hydraulic lock has the defects of large structure, large leakage amount and the like, and the manual ball valve has the defects of complex operation and low automation degree.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, this application provides a height control valves to solve the problem that complex operation and degree of automation are not high among the prior art.
The above object of the present invention is achieved by the following technical solutions:
a height adjustment valve group comprising a valve block and at least four groups of adjustment units, wherein:
the valve block is provided with an oil inlet and an oil return port;
each group of regulating units comprises an ascending electromagnetic valve, a descending electromagnetic valve, an ascending speed regulating valve and a descending speed regulating valve, wherein the ascending speed regulating valve is communicated with the oil inlet and the ascending electromagnetic valve, the descending speed regulating valve is communicated with the oil return port and the descending electromagnetic valve, the ascending electromagnetic valve is communicated with the descending electromagnetic valve, and one end of the ascending electromagnetic valve, which is close to the descending electromagnetic valve, is communicated with an external oil port and a pressure measuring joint.
Furthermore, communication pipelines are sequentially arranged among the oil inlet, the ascending speed regulating valve, the ascending electromagnetic valve, the descending electromagnetic valve and the descending speed regulating valve.
Further, the end parts of the communication pipelines are provided with sealing elements.
Furthermore, one end of the descending speed regulating valve, which is far away from the descending electromagnetic valve, and the oil return port are located at the same height position.
Further, the ascending solenoid valve and the descending solenoid valve are disposed on the first plane of the valve block.
Further, the ascending speed regulating valve, the descending speed regulating valve and the pressure measuring joint are arranged on a second plane of the valve block.
Furthermore, the external oil port and the oil return port are arranged on a third plane of the valve block.
Further, the oil inlet is arranged on a fourth plane of the valve block.
Furthermore, a fixed mounting hole is formed in the valve block, and the fixed mounting hole is formed in a fifth plane of the valve block.
Further, the number of the adjusting units is set to an even number of groups.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a set up valve block and four group at least regulating unit, oil inlet and oil return opening have on the valve block, every group regulating unit is including ascending solenoid valve, the decline solenoid valve, ascending governing valve and decline governing valve, when ascending solenoid valve is when the electricity, the high pressure oil from hydraulic oil source output loops through the oil inlet, ascending governing valve and ascending solenoid valve, inside rethread external hydraulic fluid port entering suspension system, and then make the oil gas suspension rise, and carry out the control of rising speed through the ascending governing valve of operation, when descending solenoid valve is when the electricity, the inside fluid of suspension system loops through descending solenoid valve and decline governing valve, and flow back to the oil tank through the oil return opening, and then make the oil gas suspension reduce, and carry out the control of falling speed through the operation decline solenoid valve, intercommunication between ascending solenoid valve and the decline solenoid valve, so that the solenoid valve is all not when the electricity, restrict the inside fluid flow region of suspension system, make oil gas suspension gesture remain unchanged, and utilize the detection of head to correspond position pressure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a height adjustment valve assembly provided in an embodiment of the present application;
fig. 2 is a structural diagram illustrating a first state of a height adjustment valve assembly according to an embodiment of the present disclosure;
fig. 3 is a structural diagram illustrating a second state of the height adjustment valve assembly according to the embodiment of the present application;
fig. 4 is a structural diagram illustrating a third state of the height adjusting valve assembly according to the embodiment of the present application;
fig. 5 is a fourth structural diagram of a height adjusting valve assembly according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a fifth state of a height adjusting valve group according to an embodiment of the present application;
in the figure: 1. a valve block; 11. an oil inlet; 12. an oil return port; 21. a lifting solenoid valve; 22. a descending solenoid valve; 23. a lift speed control valve; 24. a descent speed regulation valve; 3. an external oil port; 4. a pressure measuring joint; 5. and fixing the mounting hole.
Detailed Description
The present invention will be further explained with reference to the drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1 to 6, a height adjusting valve assembly includes a valve block 1 and at least four sets of adjusting units, the four sets of adjusting units are provided so that when the height adjusting valve assembly is mounted on a vehicle body and used for driving a suspension system of the vehicle body, and performing a linkage lifting operation as four lifting points to adjust a lifting state of the suspension system, wherein:
the valve block 1 is provided with an oil inlet 11 and an oil return port 12;
each group of the adjusting units comprises an ascending electromagnetic valve 21, a descending electromagnetic valve 22, an ascending speed regulating valve 23 and a descending speed regulating valve 24, wherein the ascending speed regulating valve 23 is communicated with the oil inlet 11 and the ascending electromagnetic valve 21, the descending speed regulating valve 24 is communicated with the oil return port 12 and the descending electromagnetic valve 22, the ascending electromagnetic valve 21 is communicated with the descending electromagnetic valve 22, one end of the ascending electromagnetic valve 21 close to the descending electromagnetic valve 22 is communicated with an external oil port 3 and a pressure measuring joint 4, and the external oil port 3 is used for being connected with an oil port of a suspension system, so that oil can flow conveniently.
The speed regulating valve is based on the throttle principle of the throttle valve, and a set of pressure compensation device is additionally arranged on the internal structure of the valve, so that the phenomenon of large pressure loss after throttling is improved, the pressure of fluid after throttling is basically equal to the pressure before throttling, the heat generation of the fluid is reduced, and the pressure measuring joint 4 is connected with a pressure testing device to detect the pressure of oil.
The working principle of the embodiment is as follows: by arranging the valve block 1 and at least four groups of adjusting units, an oil inlet 11 and an oil return port 12 are arranged on the valve block 1, each group of adjusting units comprises an ascending electromagnetic valve 21, a descending electromagnetic valve 22, an ascending speed regulating valve 23 and a descending speed regulating valve 24, when the ascending electromagnetic valve 21 is electrified, high-pressure oil output from a hydraulic oil source sequentially passes through the oil inlet 11, the ascending speed regulating valve 23 and the ascending electromagnetic valve 21 and then enters the interior of the suspension system through an external oil port 3, the hydro-pneumatic suspension is further lifted, ascending speed is controlled by operating the ascending speed regulating valve 23, when the descending electromagnetic valve 22 is electrified, oil in the interior of the suspension system sequentially passes through the descending electromagnetic valve 22 and the descending speed regulating valve 24 and flows back to an oil tank through the oil return port 12, the hydro-pneumatic suspension is further lowered, descending speed is controlled by operating the descending electromagnetic valve 22, the ascending electromagnetic valve 21 is communicated with the descending electromagnetic valve 22, when the electromagnetic valve is not electrified, the oil flow area in the interior of the suspension system is limited, the attitude of the oil-pneumatic suspension is kept unchanged, and pressure detection of the piezometer joint 4 on corresponding position pressure is utilized.
Further, on the basis of the above embodiment, communication pipelines are sequentially arranged between the oil inlet 11, the ascending speed regulating valve 23, the ascending electromagnetic valve 21, the descending electromagnetic valve 22 and the descending speed regulating valve 24, so that a pipeline can be arranged to perform spatial arrangement inside the valve block 1, and a connection with higher stability and sealing performance can also be realized, and the oil inlet 11, the ascending speed regulating valve 23, the ascending electromagnetic valve 21, the descending electromagnetic valve 22 and the descending speed regulating valve 24 can be connected with the communication pipelines by threads, so as to facilitate detachment and replacement of corresponding components.
Further, on the basis of the above embodiment, the end parts of the communication pipeline are respectively provided with a sealing element, so that the sealing performance of the joint at the two ends of the communication pipeline is further improved to adapt to high-pressure oil, and the sealing elements can be arranged as sealing rings.
Further, on the basis of the above embodiment, one end of the descent speed regulating valve 24 away from the descent electromagnetic valve 22 is located at the same height as the oil return port 12, so that the oil can normally flow back into the oil tank through the oil return port after being discharged out of the descent speed regulating valve 24, and one end of the descent speed regulating valve 24 away from the descent electromagnetic valve 22 may also be located higher than the oil return port 12.
Further, in the above embodiment, the ascending solenoid valve 21 and the descending solenoid valve 22 are disposed on the first plane of the valve block 1, so as to facilitate the operation of the ascending solenoid valve 21 and the descending solenoid valve 22.
Further, on the basis of the above embodiment, the ascending speed control valve 23, the descending speed control valve 24 and the pressure measuring joint 4 are disposed on the second plane of the valve block 1, so as to facilitate the operation of the ascending speed control valve 23 and the descending speed control valve 24.
Further, on the basis of the above embodiment, the external oil port 3 and the oil return port 12 are disposed on the third plane of the valve block 1, so as to facilitate the operation of the external oil port 3 and the oil return port 12.
Further, on the basis of the above embodiment, the oil inlet 11 is disposed on the fourth plane of the valve block 1, so as to facilitate the operation at the oil inlet 11.
Further, on the basis of the above embodiment, the valve block 1 is provided with the fixing mounting hole 5, and the fixing mounting hole 5 is disposed on the fifth plane of the valve block 1, so as to use the fifth plane as a mounting surface and the fixing mounting hole 5 as a mounting position, and then the fixing mounting hole 5 is mounted in the fixing mounting hole 5 by a connecting rod such as a bolt, so as to directly fix the valve block 1.
Further, on the basis of the above embodiment, the number of the adjusting units is set to be an even number of groups, so that after the suspension system is connected with the four groups of adjusting units, a better driving effect is provided for the suspension system after the adjusting units are added, and the overall stability of the suspension system is improved.
It should be understood that the terms first, second, etc. are used solely for distinguishing between descriptions and are not intended to indicate or imply relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
It should be understood that the term "and/or" herein is only one kind of association relationship describing the association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
It is to be understood that in the description of the present invention, the terms "upper", "vertical", "inner", "outer", and the like, refer to an orientation or positional relationship that is conventionally used to place the disclosed product in use, or that is conventionally understood by those skilled in the art, and are used merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally 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.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A height regulating valve group, characterized in that it comprises a valve block and at least four groups of regulating units, wherein:
the valve block is provided with an oil inlet and an oil return port;
each group of regulating units comprises an ascending electromagnetic valve, a descending electromagnetic valve, an ascending speed regulating valve and a descending speed regulating valve, wherein the ascending speed regulating valve is communicated with the oil inlet and the ascending electromagnetic valve, the descending speed regulating valve is communicated with the oil return port and the descending electromagnetic valve, the ascending electromagnetic valve is communicated with the descending electromagnetic valve, and one end of the ascending electromagnetic valve, which is close to the descending electromagnetic valve, is communicated with an external oil port and a pressure measuring joint.
2. The set of height adjustment valves of claim 1, wherein: and communication pipelines are sequentially arranged among the oil inlet, the ascending speed regulating valve, the ascending electromagnetic valve, the descending electromagnetic valve and the descending speed regulating valve.
3. The set of height adjustment valves of claim 2, wherein: and sealing parts are arranged at the end parts of the communicating pipelines.
4. The set of height adjustment valves of claim 1, wherein: and one end of the descending speed regulating valve, which is far away from the descending electromagnetic valve, is positioned at the same height position as the oil return port.
5. The set of height adjustment valves of claim 1, wherein: the ascending solenoid valve and the descending solenoid valve are arranged on the first plane of the valve block.
6. The set of height adjustment valves of claim 5, wherein: the ascending speed regulating valve, the descending speed regulating valve and the pressure measuring joint are arranged on a second plane of the valve block.
7. The set of height adjustment valves of claim 6, wherein: the external oil port and the oil return port are arranged on a third plane of the valve block.
8. The set of height adjustment valves of claim 7, wherein: the oil inlet is arranged on the fourth plane of the valve block.
9. The set of height adjustment valves of claim 8, wherein: and the valve block is provided with a fixed mounting hole, and the fixed mounting hole is formed in the fifth plane of the valve block.
10. The set of height adjustment valves of claim 1, wherein: the number of said adjusting units is set to an even number of groups.
CN202222998783.XU 2022-11-10 2022-11-10 Height adjusting valve group Active CN218718460U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222998783.XU CN218718460U (en) 2022-11-10 2022-11-10 Height adjusting valve group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222998783.XU CN218718460U (en) 2022-11-10 2022-11-10 Height adjusting valve group

Publications (1)

Publication Number Publication Date
CN218718460U true CN218718460U (en) 2023-03-24

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ID=85614406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222998783.XU Active CN218718460U (en) 2022-11-10 2022-11-10 Height adjusting valve group

Country Status (1)

Country Link
CN (1) CN218718460U (en)

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