CN111114636B - Valve block structure and vehicle with same - Google Patents
Valve block structure and vehicle with same Download PDFInfo
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- CN111114636B CN111114636B CN202010084170.8A CN202010084170A CN111114636B CN 111114636 B CN111114636 B CN 111114636B CN 202010084170 A CN202010084170 A CN 202010084170A CN 111114636 B CN111114636 B CN 111114636B
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- 238000009434 installation Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
The invention provides a valve block structure and a vehicle with the same, wherein the valve block structure comprises a valve body, a high-pressure oil cavity, a low-pressure oil cavity and an oil duct are arranged in the valve body, and the high-pressure oil cavity and the low-pressure oil cavity are communicated through the oil duct; the two ends of the high-pressure oil cavity are respectively provided with a first valve core, a first biasing member, a second valve core, a second biasing member and a pressure switch terminal, when the pressure of the high-pressure oil cavity exceeds the preset pressure, the first valve core moves towards the direction of the first installation cavity to be communicated with the high-pressure oil cavity, the oil duct and the low-pressure oil cavity, the second valve core moves towards the direction of the second installation cavity to be in contact with the pressure switch terminal, and the electronic control unit receives signals and adjusts the power of the engine. Through set up valve block structure at hydraulic system, effectively restrict system pressure, reduce the fault rate of oil pump and steering gear, improve system life-span, through set up pressure switch terminal on the valve block, provide the signal for electronic control unit, make the combustible risk reduce, promote user's use maintenance convenience and economic nature.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to a valve block structure and a vehicle with the valve block structure.
Background
For an automobile hydraulic power-assisted steering system, when a steering wheel receives larger resistance, the pressure of the hydraulic system can be quickly increased, a pressure limiting valve is arranged at the end of an oil pump or in a steering gear in a conventional method, when the pressure exceeds the design pressure of the system, the pressure is released in the oil pump, the temperature of oil in the system can be quickly increased, and the sealing element of parts can be damaged or even fails due to high temperature, so that the oil pump or the steering gear is damaged; in the steering process of the vehicle, part of engine power is consumed, so that the engine speed fluctuates, a pressure switch is arranged on a steering pump, a signal is sent to an ECU (electronic control unit, also called a driving computer) of the whole vehicle in the steering process, the engine power is convenient to adjust, but once the pressure switch leaks, combustion accidents are easily caused, and the vehicle is damaged.
The existing pressure relief valve and pressure switch of the steering system are arranged on the steering oil pump, and the temperature of the body of the oil pump is rapidly increased to be more than 180 ℃ at most under the overload working condition, so that the pressure switch is easy to fail in sealing and leakage is generated; the steering oil can splash into the engine room, and once the oil splashes to the exhaust system, the vehicle can be caused to burn, and the consequences are serious.
Disclosure of Invention
In view of this, the present invention provides a valve block structure.
The invention further provides a vehicle with the valve block structure.
In order to solve the technical problems, the invention adopts the following technical scheme:
According to an embodiment of the first aspect of the present invention, a valve block structure includes: the valve body is internally provided with a high-pressure oil cavity, a low-pressure oil cavity and an oil duct, and the high-pressure oil cavity is communicated with the low-pressure oil cavity through the oil duct;
The high-pressure oil cavity is provided with a first outlet end and a second outlet end which are oppositely arranged, a first installation cavity communicated with the oil duct is arranged at the first outlet end, a first valve core capable of moving along the axial direction of the first installation cavity is arranged in the first installation cavity, a first biasing piece is sleeved on the first valve core, and the first valve core is subjected to a first biasing force applied by the first biasing piece and directed towards the first outlet end so as to close the high-pressure oil cavity and the oil duct;
The second outlet end is provided with a second installation cavity communicated with the high-pressure oil cavity, a second valve core, a second biasing member and a pressure switch terminal are arranged in the second installation cavity, the second biasing member is sleeved on the pressure switch terminal, one end of the second biasing member is abutted to the second valve core, a second biasing force towards the direction of the high-pressure oil cavity is applied to the second valve core, and the pressure switch terminal is in signal connection with the electronic control unit;
When the pressure of the high-pressure oil cavity exceeds a preset pressure, the first valve core moves towards the first installation cavity direction against the first biasing force to communicate the high-pressure oil cavity with the oil duct and the low-pressure oil cavity, the second valve core moves towards the second installation cavity direction against the second biasing force to enable the second valve core to be in contact with the pressure switch terminal, and the electronic control unit receives signals and adjusts engine power.
Further, the pressure switch terminal is at least partially exposed outside the second mounting cavity.
Further, the high-pressure oil cavity penetrates through the valve body to form two oppositely arranged first oil inlets and first oil outlets on the valve body;
And/or the low-pressure oil cavity penetrates through the valve body to form two second oil inlets and second oil outlets which are oppositely arranged on the valve body.
Further, the oil duct is the U-shaped, including first oil duct, second oil duct and the third oil duct of mutual intercommunication, first oil duct sets up first installation cavity position and when the pressure exceeds the pressure of predetermineeing in the high pressure oil chamber with high pressure oil chamber intercommunication, the third oil duct sets up low pressure oil chamber department and with low pressure oil chamber intercommunication, the second oil duct sets up first oil duct with between the second oil duct.
Further, a first through hole is formed in the valve body and close to the communication position of the first oil duct and the second oil duct, a first fixing bolt is fixed in the first through hole, a second through hole is formed in the communication position of the second oil duct and the third oil duct, and a second fixing bolt is fixed in the second through hole.
Further, one end of the second oil duct, which is close to the third oil duct, penetrates through the valve body to form a third through hole in the side wall of the valve body, and a third fixing bolt is fixed in the third through hole.
Further, the axial leads of the second through hole and the third through hole are perpendicular to each other, and the axial lead of the first through hole is perpendicular to the extension line of the axial lead of the third through hole.
Further, a first adjusting screw plug which is in sealing sliding connection with the inner wall of the first mounting cavity is arranged between the first mounting cavity and the low-pressure oil cavity, and the first biasing element is abutted against the first adjusting screw plug.
Further, a first adjusting hole is formed in the side wall, close to the low-pressure oil cavity, of the valve body, and a second adjusting plug screw is fixed in the first adjusting hole.
According to a second aspect of the invention, a vehicle comprises a hydraulic steering system and an electronic control unit, wherein the hydraulic steering system comprises a hydraulic power unit, a hydraulic actuator, a liquid storage tank and a valve block structure according to the above, the hydraulic actuator is respectively connected with a high-pressure oil cavity and a low-pressure oil cavity, the high-pressure oil cavity is connected with one end of the hydraulic power unit, the low-pressure oil cavity is connected with an oil inlet end of the liquid storage tank, and an oil outlet end of the liquid storage tank is connected with the other end of the hydraulic power unit; the valve block structure is in signal connection with the electronic control unit.
The technical scheme of the invention has the following beneficial effects:
According to the valve block structure provided by the embodiment of the invention, the system pressure can be effectively limited by arranging the valve block structure on the hydraulic system, the failure rate of the oil pump and the steering gear can be reduced, and the service life of the system is prolonged; by arranging the pressure switch terminal on the valve block, reliable signals can be provided for an ECU (electronic control unit, also called a driving computer) of the whole vehicle, so that the combustible risk can be reduced to the minimum; and the use and maintenance convenience of the user and the maintenance economy are improved.
Drawings
FIG. 1 is a schematic illustration of a valve block structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exploded view of a valve block structure according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a valve block structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a hydraulic system according to an embodiment of the present invention.
Reference numerals:
A valve block structure 100; a hydraulic actuator 200; a hydraulic power unit 300; a liquid storage tank 400; a pipeline 500;
A valve body 10; a high-pressure oil chamber 11; a first outlet end 111; a second outlet end 112; an oil passage 13; a first oil passage 131; a second oil passage 132; a third oil passage 133; a first mounting cavity 14; a second mounting cavity 15; a first spool 16; a second spool 17; a first biasing member 18; a second biasing member 19; a low pressure oil chamber 12;
a pressure switch terminal 20;
a first adjusting screw plug 30;
a second adjusting screw plug 40;
a first fixing bolt 50;
a second fixing bolt 60;
A third fixing bolt 70;
a first oil inlet 80;
A second oil outlet 90.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate a relative positional relationship, which changes accordingly when the absolute position of the object to be described changes.
A valve block structure 100 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a valve block structure 100 according to an embodiment of the present invention includes a valve body 10 having a high-pressure oil chamber 11, a low-pressure oil chamber 12, and an oil passage 13 inside the valve body 10.
Specifically, as shown in fig. 1 to 3, the valve body 10 has a high-pressure oil chamber 11, a low-pressure oil chamber 12, and an oil passage 13 therein, the high-pressure oil chamber 11 and the low-pressure oil chamber 12 being communicated through the oil passage 13;
The high-pressure oil cavity 11 is provided with a first outlet end 111 and a second outlet end 112 which are oppositely arranged, a first installation cavity 14 communicated with the oil duct 13 is arranged at the first outlet end 111, a first valve core 16 capable of moving along the axial direction of the first installation cavity 14 is arranged in the first installation cavity 14, a first biasing member 18 is sleeved on the first valve core 16, and the first valve core 16 is subjected to a first biasing force applied by the first biasing member 18 towards the direction of the first outlet end 111 so as to close the high-pressure oil cavity 11 and the oil duct 13;
The second outlet end 112 is provided with a second installation cavity 15 communicated with the high-pressure oil cavity 11, a second valve core 17, a second biasing member 19 and a pressure switch terminal 20 are arranged in the second installation cavity 15, the pressure switch terminal 20 is in signal connection with an electronic control unit (not shown), the second biasing member 19 is sleeved on the pressure switch terminal 20, one end of the second biasing member is abutted on the second valve core 17, and applies a second biasing force towards the direction of the high-pressure oil cavity 11 to the second valve core 17, when the pressure in the high-pressure oil cavity 11 exceeds a preset pressure, the first valve core 16 moves towards the direction of the first installation cavity 14 against the first biasing force to communicate the high-pressure oil cavity 11 with the oil duct 13 and the low-pressure oil cavity 12, the second valve core 17 overcomes the second biasing force to enable the second valve core 17 to be in contact with the pressure switch terminal 20, and the electronic control unit receives signals and controls and adjusts the output power of an engine (not shown) to ensure the stable running of the whole vehicle.
In other words, the valve block structure 100 according to the embodiment of the present invention includes a valve body 10, the interior of the valve body 10 is mainly composed of a high pressure oil cavity 11, a low pressure oil cavity 12 and an oil duct 13, the valve body 10 is in a block structure, the high pressure oil cavity 11 is in a zigzag structure, the middle is a cavity in a circular area, the left end is a second outlet end 112, the right end is a first outlet end 111, the right side of the first outlet end 111 is correspondingly provided with a first installation cavity 14, the left end of the second outlet end 112 is correspondingly provided with a second installation cavity 15, the first outlet end 111, the second outlet end 112, the first installation cavity 14 and the second installation cavity 15 are in a straight structure, the first valve core 16 is horizontally arranged in the first installation cavity 14, the first valve core 16 is in a T-shaped structure, the outer side of the first valve core 16 is sleeved on the first biasing member 18, the left end of the first biasing member 18 is abutted against the left end of the first valve core 16, the right end of the first biasing member 18 is abutted against the inner wall of the valve body 10, the first biasing member 18 applies a first biasing force towards the left end 11 of the high pressure oil cavity 11, so that the first valve core 11 is also closed, and the high pressure oil duct 13 is communicated between the first valve core 11 and the first valve core 16; the second valve core 17 is horizontally arranged in the second installation cavity 15, the second biasing member 19 is horizontally arranged in the second installation cavity 15, one end of the second biasing member is abutted to the left end of the second valve core 17, a second biasing force towards the direction of the high-pressure oil cavity 11, namely the direction of the right end is applied to the second biasing member 19, the pressure switch terminal 20 is in signal connection with the electronic control unit, when the pressure in the high-pressure oil cavity 11 exceeds the preset pressure, the first valve core 16 overcomes the first biasing force to move towards the direction of the first installation cavity 14, namely the direction of the right end, so as to be communicated with the high-pressure oil cavity 11, the oil duct 13 and the low-pressure oil cavity 12, and the second valve core 17 overcomes the second biasing force to move towards the direction of the second installation cavity 15, namely the direction of the left end, so as to be in contact with the pressure switch terminal 20, oil pressure in the high-pressure oil cavity 11 enters the low-pressure oil cavity 12 through the oil duct 13 and flows out through the outlet, the pressure switch terminal 20 sends signals to the electronic control unit, and the electronic control unit receives signals and controls and adjusts the output power of the engine, and stable running of the whole vehicle is ensured.
Therefore, according to the valve block structure 100 provided by the embodiment of the invention, the system pressure can be effectively limited by arranging the valve block structure 100 in the hydraulic system, the failure rate of the oil pump and the steering gear can be reduced, and the service life of the system can be prolonged; by arranging the pressure switch terminal on the valve block, reliable signals can be provided for an ECU (electronic control unit, also called a driving computer) of the whole vehicle, so that the combustible risk can be reduced to the minimum; and the use and maintenance convenience of the user and the maintenance economy are improved.
According to one embodiment of the present invention, the pressure switch terminal 20 is in a v shape, the inner end, i.e., the right end, is located in the second installation cavity 15, the second biasing member 19 is sleeved outside the right end of the pressure switch terminal 20, the right end of the second biasing member 19 abuts against the left end of the second valve core 17, and the left end of the second biasing member 19 abuts against the left inner wall of the second installation cavity 15, and the second valve core 17 is in a convex structure.
In some embodiments of the present invention, the high-pressure oil chamber 11 penetrates through the valve body 10 to form two oppositely disposed first oil inlets 80 and first oil outlets (not shown) on the valve body 10; and/or low-pressure oil chamber 12 penetrates valve body 10 to form two oppositely disposed second oil inlets (not shown) and second oil outlets 90 on valve body 10. The oil enters the high-pressure oil cavity 11 through the first oil inlet 80, one part of the oil in the high-pressure oil cavity 11 goes out through the first oil outlet, the other part of the oil enters the low-pressure oil cavity 12 through the oil duct 13, the oil in the low-pressure oil cavity 12 goes out through the second oil outlet 90, and the oil enters the low-pressure oil cavity 12 through the second oil inlet.
According to one embodiment of the present invention, the oil passage 13 is inverted U-shaped and includes a first oil passage 131, a second oil passage 132 and a third oil passage 133 which are communicated with each other, the first oil passage 131 being provided at the first installation cavity 14 and communicating with the high pressure oil cavity 11 when the pressure in the high pressure oil cavity 11 exceeds a preset pressure, the third oil passage 133 being provided at the low pressure oil cavity 12 and communicating with the low pressure oil cavity 12, the second oil passage 132 being provided between the first oil passage 131 and the second oil passage 132.
According to an embodiment of the present invention, the first and second fixing bolts 50 and 60 are further included.
Specifically, as shown in fig. 1 to 3, a first through hole is provided in the valve body 10 at a communication position near the first oil passage 131 and the second oil passage 132, a first fixing bolt 50 is fixed in the first through hole, a second through hole is provided in the second oil passage 132 at a communication position with the third oil passage 133, and a second fixing bolt 60 is fixed in the second through hole.
According to an embodiment of the present invention, a third through hole (not shown) and a third fixing bolt 70 are further included.
Specifically, as shown in fig. 1 to 3, one end of the second oil passage 132 near the third oil passage 133 penetrates through the right side wall of the valve body 10 to form a third through hole in the right side wall of the valve body 10, in which the third fixing bolt 70 is fixed.
According to one embodiment of the invention, the axes of the second through hole and the third through hole are perpendicular to each other, and the axis of the first through hole is perpendicular to the extension line of the axis of the third through hole. By reducing the path of the oil duct 13, when the pressure in the high-pressure oil cavity 11 exceeds the preset pressure, the high-pressure oil cavity 11 can flow the oil pressure into the low-pressure oil cavity 12 through the oil duct 13, so that the flow stroke of the oil is shortened, and the adjustment time is shortened.
According to one embodiment of the invention, a first adjusting screw plug 30 is also included.
Specifically, as shown in fig. 1 to 3, a first adjuster plug 30 is mounted between the first mounting chamber 14 and the low-pressure oil chamber 12 in sealing sliding connection with the inner wall of the first mounting chamber 14, and the right end of the first biasing member 18 abuts on the left end face of the first adjuster plug 30. When the pressure in the high-pressure oil chamber 11 exceeds the preset pressure, the first valve core 16 overcomes the first biasing force and moves towards the first mounting chamber 14, i.e. the right end direction, and the first adjusting screw plug 30 is also moved towards the right, i.e. towards the low-pressure oil chamber 12, under the pushing of the first valve core 16, so as to further reduce the pressure in the high-pressure oil chamber 11, and adjust the pressure in the high-pressure oil chamber 11 to the preset pressure.
According to one embodiment of the present invention, a first adjustment hole (not shown) and a second adjustment screw 40 are further included.
Specifically, as shown in fig. 1 to 3, a first adjusting hole is formed in a side wall of the valve body 10, which is close to the low-pressure oil chamber 12, that is, a lower right side wall, and a second adjusting plug screw 40 is fixed in the first adjusting hole. The second adjusting screw plug 40 is movably connected in the first adjusting hole in a left-right manner, so that the volume of the low-pressure oil cavity 12 can be adjusted, and the oil pressure in the low-pressure oil cavity 12 can be adjusted, so that the hydraulic system of the whole brother can operate stably.
In summary, according to the valve block structure 100 of the embodiment of the present invention, by setting the valve block in the hydraulic system, the system pressure can be effectively limited, the failure rate of the oil pump and the steering gear can be reduced, and the service life of the system can be improved; by arranging the pressure switch terminal on the valve block, reliable signals can be provided for an ECU (electronic control unit, also called a driving computer) of the whole vehicle, so that the combustible risk can be reduced to the minimum; and the use and maintenance convenience of the user and the maintenance economy are improved.
The vehicle according to the second aspect of the present invention, as shown in fig. 4, includes a hydraulic steering system (not shown) including a hydraulic power unit 300, a hydraulic actuator 200, a reservoir 400, and the valve block structure 100 according to the above-described embodiment, the hydraulic actuator 200 being connected to a high-pressure oil chamber 11 and a low-pressure oil chamber 12, respectively, the high-pressure oil chamber 11 being connected to one end of the hydraulic power unit 300, the low-pressure oil chamber 12 being connected to an oil inlet end of the reservoir 400, an oil outlet end of the reservoir 400 being connected to the other end of the hydraulic power unit 300; the valve block structure 100 is in signal connection with an electronic control unit. Since the valve block structure 100 according to the embodiment of the present invention has the above-described technical effects, the vehicle according to the embodiment of the present invention also has the corresponding technical effects of effectively limiting the system pressure, reducing the failure rate of the oil pump and the steering gear, and improving the system lifetime. When the oil pressure in the high-pressure oil chamber 11 exceeds the preset pressure, the first valve core 16 moves rightward against the first biasing force, the high-pressure oil chamber 11 is communicated with the low-pressure oil chamber 12 through the oil duct 13, and the oil returns to the low-pressure area and flows into the liquid storage tank 400, so that the system pressure is ensured not to be excessively high, and the hydraulic actuator 200 and the hydraulic power unit 300 are protected.
It should be noted that the valve block structure 100 of the present embodiment is not limited to use in a vehicle steering system.
Other structures and operations of the vehicle according to the embodiments of the present invention are understood and readily implemented by those skilled in the art, and thus will not be described in detail.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "preferred embodiments," "detailed description," or "preferred embodiments" and the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (9)
1. A vehicle comprising a hydraulic steering system and an electronic control unit, the hydraulic steering system comprising a hydraulic power unit, a hydraulic actuator, a reservoir tank and a valve block structure, the valve block structure comprising:
The valve body is internally provided with a high-pressure oil cavity, a low-pressure oil cavity and an oil duct, and the high-pressure oil cavity is communicated with the low-pressure oil cavity through the oil duct;
The high-pressure oil cavity is in a Z shape, a cavity body with a circular area in the middle is a second outlet end, a first outlet end is arranged at the right end, a first installation cavity communicated with the oil duct is arranged at the first outlet end, a first valve core capable of moving along the axial direction of the first installation cavity is arranged in the first installation cavity, a first biasing member is sleeved on the first valve core, and the first valve core is subjected to a first biasing force applied by the first biasing member and facing the direction of the first outlet end so as to close the high-pressure oil cavity and the oil duct;
The second outlet end is provided with a second installation cavity communicated with the high-pressure oil cavity, a second valve core, a second biasing member and a pressure switch terminal are arranged in the second installation cavity, the second biasing member is sleeved on the pressure switch terminal, one end of the second biasing member is abutted to the second valve core, a second biasing force towards the direction of the high-pressure oil cavity is applied to the second valve core, and the pressure switch terminal is in signal connection with the electronic control unit;
The first outlet end, the second outlet end, the first installation cavity and the second installation cavity are all in a linear structure, the first valve core is horizontally arranged in the first installation cavity, and the first valve core is in a T-shaped structure;
When the pressure of the high-pressure oil cavity exceeds a preset pressure, the first valve core moves towards the first installation cavity direction against the first biasing force to communicate the high-pressure oil cavity with the oil duct and the low-pressure oil cavity, the second valve core moves towards the second installation cavity direction against the second biasing force to enable the second valve core to be in contact with the pressure switch terminal, and the electronic control unit receives signals and adjusts engine power;
The oil duct is inverted U-shaped and comprises a first oil duct, a second oil duct and a third oil duct which are communicated with each other, the first oil duct is arranged at the position of the first installation cavity and is communicated with the high-pressure oil cavity when the pressure in the high-pressure oil cavity exceeds the preset pressure, the third oil duct is arranged at the position of the low-pressure oil cavity and is communicated with the low-pressure oil cavity, and the second oil duct is arranged between the first oil duct and the second oil duct;
The hydraulic actuator is respectively connected with the high-pressure oil cavity and the low-pressure oil cavity, the high-pressure oil cavity is connected with one end of the hydraulic power unit, the low-pressure oil cavity is connected with the oil inlet end of the liquid storage tank, and the oil outlet end of the liquid storage tank is connected with the other end of the hydraulic power unit; the valve block structure is in signal connection with the electronic control unit.
2. The vehicle of claim 1, wherein the pressure switch terminal is at least partially exposed outside of the second mounting cavity.
3. The vehicle of claim 2, wherein the high pressure oil chamber extends through the valve body to form two oppositely disposed first oil inlets and first oil outlets on the valve body.
4. The vehicle of claim 2, wherein the low pressure oil chamber extends through the valve body to form two oppositely disposed second oil inlets and second oil outlets on the valve body.
5. The vehicle according to claim 1, wherein a first through hole is provided in the valve body at a position near the communication position between the first oil passage and the second oil passage, a first fixing bolt is fixed in the first through hole, a second through hole is provided in the communication position between the second oil passage and the third oil passage, and a second fixing bolt is fixed in the second through hole.
6. The vehicle according to claim 5, characterized in that an end of the second oil passage near the third oil passage penetrates the valve body to form a third through hole in a side wall of the valve body, in which a third fixing bolt is fixed.
7. The vehicle of claim 6, wherein the axes of the second and third through holes are perpendicular to each other, and the axis of the first through hole is perpendicular to an extension of the axis of the third through hole.
8. The vehicle of claim 7, wherein a first adjustment screw plug is mounted between the first mounting chamber and the low pressure oil chamber in sealing sliding connection with the first mounting chamber inner wall, the first biasing member abutting the first adjustment screw plug.
9. The vehicle of claim 8, wherein a first adjustment hole is formed in a side wall of the valve body, which is close to the low-pressure oil cavity, and a second adjustment plug screw is fixed in the first adjustment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084170.8A CN111114636B (en) | 2020-02-10 | Valve block structure and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084170.8A CN111114636B (en) | 2020-02-10 | Valve block structure and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111114636A CN111114636A (en) | 2020-05-08 |
| CN111114636B true CN111114636B (en) | 2024-07-05 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211568087U (en) * | 2020-02-10 | 2020-09-25 | 北京汽车集团越野车有限公司 | Valve block structure and vehicle with same |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211568087U (en) * | 2020-02-10 | 2020-09-25 | 北京汽车集团越野车有限公司 | Valve block structure and vehicle with same |
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