CN211568087U - Valve block structure and vehicle with same - Google Patents
Valve block structure and vehicle with same Download PDFInfo
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- CN211568087U CN211568087U CN202020157943.6U CN202020157943U CN211568087U CN 211568087 U CN211568087 U CN 211568087U CN 202020157943 U CN202020157943 U CN 202020157943U CN 211568087 U CN211568087 U CN 211568087U
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Abstract
The utility model 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 is communicated with the low-pressure oil cavity through the oil duct; when the pressure of the high-pressure oil chamber exceeds the preset pressure, the first valve core moves towards the first installation cavity to communicate the high-pressure oil chamber, the oil duct and the low-pressure oil chamber, the second valve core moves towards 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 setting up the valve block structure at hydraulic system, effective restriction system pressure reduces the fault rate of oil pump and steering gear, improves the system life-span, through set up the pressure switch terminal on the valve block, provides the signal and gives the electronic control unit, makes flammable risk reduce, promotes user's use and maintains convenience and economic nature.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field, more specifically relates to a valve block structure and vehicle that has this valve block structure.
Background
For an automobile hydraulic power-assisted steering system, when a steering wheel is subjected to large resistance, the pressure of the hydraulic system can be rapidly increased, a pressure limiting valve is arranged at an oil pump end 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 rapidly increased, and high temperature can cause damage or even failure to a sealing element of a part, so that the oil pump or the steering gear is damaged; in the steering process of the vehicle, part of engine power is consumed to cause the fluctuation of the rotating speed of the engine, a pressure switch is arranged on a steering pump, and a signal is sent to an ECU (electronic control unit) of the whole vehicle in the steering process, so that the engine power is convenient to adjust, but once the pressure switch leaks, a combustion accident is easily caused, and the vehicle is damaged.
The pressure relief valve and the pressure switch of the existing steering system are arranged on a steering oil pump, and the temperature of a body of the existing steering system is rapidly increased to be over 180 ℃ at most under the overload working condition of the oil pump, so that the sealing of the pressure switch is easy to lose efficacy and generate leakage; the steering oil can splash into the engine room, once the steering oil splashes into the exhaust system, the vehicle can be burnt, and the consequences are very serious.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a valve block structure.
The utility model also provides a vehicle of having above-mentioned valve block structure.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to the utility model discloses valve block structure of first aspect embodiment includes: the valve body is internally provided with a high-pressure oil cavity, a low-pressure oil cavity and an oil channel, and the high-pressure oil cavity is communicated with the low-pressure oil cavity through the oil channel;
the high-pressure oil cavity is provided with a first outlet end and a second outlet end which are arranged oppositely, a first installation cavity communicated with the oil channel 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 which is applied by the first biasing member and faces the direction of the first outlet end so as to close the high-pressure oil cavity and the oil channel;
a second installation cavity communicated with the high-pressure oil cavity is arranged at the second outlet end, 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 abuts against the second valve core and applies a second biasing force towards the direction of the high-pressure oil cavity to the second valve core, and the pressure switch terminal is in signal connection with an electronic control unit;
when the pressure of the high-pressure oil cavity exceeds the preset pressure, the first valve core overcomes the first biasing force to move towards the first installation cavity so as to communicate the high-pressure oil cavity, the oil passage and the low-pressure oil cavity, the second valve core overcomes the second biasing force to move towards the second installation cavity so as to enable the second valve core to be in contact with the pressure switch terminal, and the electronic control unit receives signals and adjusts the power of an engine.
Further, the pressure switch terminal is at least partially exposed outside the second mounting cavity.
Further, the high-pressure oil chamber penetrates through the valve body to form a first oil inlet and a first oil outlet which are oppositely arranged on the valve body;
and/or the low-pressure oil cavity penetrates through the valve body to form a second oil inlet and a second oil outlet which are oppositely arranged on the valve body.
Furthermore, the oil duct is the type of falling word, including first oil duct, second oil duct and the third oil duct that communicates each other, first oil duct sets up first installation cavity position and when high-pressure oil chamber internal pressure exceeded and predetermine pressure 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.
Furthermore, a first through hole is formed in the valve body at a position 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.
Furthermore, 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.
Furthermore, the axial lines of the second through hole and the third through hole are perpendicular to each other, and the axial line of the first through hole is perpendicular to the extension line of the axial line of the third through hole.
Further, a first adjusting screw plug connected with the inner wall of the first mounting cavity in a sealing and sliding mode is mounted between the first mounting cavity and the low-pressure oil cavity, and the first biasing member abuts against the first adjusting screw plug.
Furthermore, 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 screw plug is fixed in the first adjusting hole.
According to the utility model discloses vehicle of second aspect embodiment, including hydraulic steering system and electronic control unit, hydraulic steering system includes hydraulic power unit, hydraulic actuator, liquid storage pot and according to the above-mentioned valve block structure, hydraulic actuator respectively with the high pressure oil pocket with the low pressure oil pocket is connected, the high pressure oil pocket with hydraulic power unit's one end is connected, the low pressure oil pocket with the oil inlet end of liquid storage pot is connected, the oil outlet end of liquid storage pot with hydraulic power unit's the other end is connected; the valve block structure is in signal connection with the electronic control unit.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
according to the valve block structure provided by the embodiment of the utility model, the pressure of the system can be effectively limited by arranging the valve block structure 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 is prolonged; the pressure switch terminal is arranged on the valve block, so that reliable signals can be provided for an ECU (electronic control unit, also called as a traveling computer) of the whole automobile, and 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 structural view of a valve block structure according to an embodiment of the present invention;
fig. 2 is an exploded view of a valve block structure according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structural 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 conduit 500;
a valve body 10; a high-pressure oil chamber 11; a first outlet port 111; a second outlet end 112; an oil passage 13; the first oil passage 131; the second oil passage 132; the third oil passage 133; a first mounting cavity 14; a second mounting cavity 15; a first spool 16; the 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 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 purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of 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 "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The valve block structure 100 according to an embodiment of the present invention will be described in detail below with reference to the 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, and a high-pressure oil chamber 11, a low-pressure oil chamber 12, and an oil passage 13 are provided in the valve body 10.
Specifically, as shown in fig. 1 to 3, the valve body 10 has therein a high-pressure oil chamber 11, a low-pressure oil chamber 12, and an oil passage 13, the high-pressure oil chamber 11 and the low-pressure oil chamber 12 being communicated through the oil passage 13;
the high-pressure oil chamber 11 has a first outlet port 111 and a second outlet port 112 which are oppositely arranged, a first mounting cavity 14 communicated with the oil passage 13 is arranged at the first outlet port 111, a first valve core 16 which can move along the axial direction of the first mounting cavity 14 is arranged in the first mounting 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 which is applied by the first biasing member 18 and faces the first outlet port 111 to close the high-pressure oil chamber 11 and the oil passage 13;
a second mounting cavity 15 communicated with the high-pressure oil chamber 11 is arranged at the second outlet end 112, a second valve core 17, a second biasing member 19 and a pressure switch terminal 20 are arranged in the second mounting 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 abuts against the second valve core 17, and applies a second biasing force to the second valve core 17 towards the direction of the high-pressure oil chamber 11, 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 to communicate the high-pressure oil chamber 11 with the oil passage 13 and the low-pressure oil chamber 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 smooth 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 chamber 11, a low-pressure oil chamber 12 and an oil passage 13, the valve body 10 is a block structure, the high-pressure oil chamber 11 is similar to a Z shape, the middle is a cavity with 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 mounting cavity 14, the left end of the second outlet end 112 is correspondingly provided with a second mounting cavity 15, the first outlet end 111, the second outlet end 112, the first mounting cavity 14 and the second mounting cavity 15 are all in a straight line structure, the first valve core 16 is horizontally arranged in the first mounting cavity 14, the first valve core 16 is in a T-shaped structure, the first valve core 16 is sleeved outside the first biasing member 18, the left end of the first biasing member 18 abuts against the left end of the first valve core 16, the, the first biasing member 18 applies a first biasing force to the first spool 16 in a direction toward the high-pressure oil chamber 11, i.e., the left end, so that the first spool 16 blocks the first outlet end 111 of the high-pressure oil chamber 11 to close communication between the high-pressure oil chamber 11 and the oil passage 13; the second valve core 17 is horizontally arranged in the second mounting cavity 15, the second biasing member 19 is horizontally arranged in the second mounting cavity 15, one end of the second biasing member is abutted against the left end of the second valve core 17 and applies a second biasing force towards the direction of the high-pressure oil cavity 11, namely the direction of the right end, 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 a preset pressure, the first valve core 16 overcomes the first biasing force to move towards the direction of the first mounting cavity 14, namely the direction of the right end, so as to communicate the high-pressure oil cavity 11 with the oil passage 13 and the low-pressure oil cavity 12, the second valve core 17 overcomes the second biasing force to move towards the direction of the second mounting cavity 15, namely the left end, so as to be in contact with the pressure switch terminal 20, the oil pressure in the high-pressure oil cavity 11 enters the low-pressure oil cavity, the electronic control unit receives the signal and controls and adjusts the output power of the engine, and the stable running of the whole vehicle is ensured.
Therefore, according to the valve block structure 100 provided by the embodiment of the utility model, 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 is prolonged by arranging the valve block structure 100 in the hydraulic system; the pressure switch terminal is arranged on the valve block, so that reliable signals can be provided for an ECU (electronic control unit, also called as a traveling computer) of the whole automobile, and 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 the utility model discloses an embodiment, pressure switch terminal 20 is the style of calligraphy of chinese character' shi, and the inner also right-hand member is located second installation cavity 15, and second biasing member 19 cover is established outside pressure switch terminal 20 right-hand member and the right-hand member butt of second biasing member 19 is on the left end of second case 17, and the left end butt of second biasing member 19 is on second installation cavity 15 left side inner wall, and second case 17 is the type of calligraphy structure of dogging.
In some embodiments of the present invention, the high-pressure oil chamber 11 penetrates the valve body 10 to form two oppositely arranged first oil inlets 80 and first oil outlets (not shown) on the valve body 10; and/or the low-pressure oil chamber 12 penetrates the valve body 10 to form two oppositely arranged second oil inlets (not shown) and second oil outlets 90 on the valve body 10. Oil enters the high-pressure oil chamber 11 through the first oil inlet 80, one part of the oil in the high-pressure oil chamber 11 flows out through the first oil outlet, the other part of the oil enters the low-pressure oil chamber 12 through the oil duct 13, the oil in the low-pressure oil chamber 12 flows out through the second oil outlet 90, and the oil enters the low-pressure oil chamber 12 through the second oil inlet.
According to the utility model discloses an embodiment, oil duct 13 is the type of falling one's word, including first oil duct 131, second oil duct 132 and the third oil duct 133 that communicates each other, first oil duct 131 sets up in first installation cavity 14 position and when 11 internal pressures of high pressure oil chamber exceed preset pressure with high pressure oil chamber 11 intercommunication, third oil duct 133 sets up in low pressure oil chamber 12 department and with low pressure oil chamber 12 intercommunication, second oil duct 132 sets up between first oil duct 131 and second oil duct 132.
According to an embodiment of the present invention, the first fixing bolt 50 further includes a first through hole (not shown), a second through hole (not shown), and a second fixing bolt 60.
Specifically, as shown in fig. 1 to 3, a first through hole is provided in the valve body 10 at a position near the communication between the first oil passage 131 and the second oil passage 132, and a first fixing bolt 50 is fixed in the first through hole, and a second through hole is provided in the communication between the second oil passage 132 and 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 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 a third fixing bolt 70 is fixed.
According to the utility model discloses an embodiment, the axial lead mutually perpendicular of second through-hole and third through-hole, the axial lead of first through-hole and the extension line mutually perpendicular of the axial lead of third through-hole. The path of the oil duct 13 is reduced, so that when the pressure in the high-pressure oil chamber 11 exceeds the preset pressure, the high-pressure oil chamber 11 can flow the oil pressure into the low-pressure oil chamber 12 through the oil duct 13, the flowing stroke of the oil is shortened, and the adjusting time is shortened.
According to an embodiment of the present invention, a first adjusting screw plug 30 is further included.
Specifically, as shown in fig. 1 to 3, a first adjusting screw plug 30 that is in sealed sliding connection with the inner wall of the first mounting chamber 14 is installed between the first mounting chamber 14 and the low-pressure oil chamber 12, and the right end of the first biasing member 18 abuts on the left end surface of the first adjusting screw plug 30. When the pressure in the high-pressure oil chamber 11 exceeds the preset pressure, the first valve core 16 moves toward the first mounting chamber 14, i.e., the right end, against the first biasing force, and the first adjusting screw plug 30 also moves toward the right, i.e., the low-pressure oil chamber 12, under the urging of the first valve core 16, to further reduce the pressure in the high-pressure oil chamber 11, so that the pressure in the high-pressure oil chamber 11 is adjusted to the preset pressure.
According to an embodiment of the present invention, a first adjusting hole (not shown) and a second adjusting screw plug 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 close to the low-pressure oil chamber 12, that is, a lower right side wall, and a second adjusting screw plug 40 is fixed in the first adjusting hole. The second adjusting screw plug 40 is movably connected in the first adjusting hole left and right, so that the volume of the low-pressure oil chamber 12 can be adjusted, the oil pressure in the low-pressure oil chamber 12 can be adjusted, and the whole hydraulic system can stably run.
In summary, according to the valve block structure 100 of the embodiment of the present invention, by providing 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 system life can be prolonged; the pressure switch terminal is arranged on the valve block, so that reliable signals can be provided for an ECU (electronic control unit, also called as a traveling computer) of the whole automobile, and 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 the vehicle of the second aspect embodiment of the present invention, as shown in fig. 4, the vehicle includes a hydraulic steering system (not shown) and an electronic control unit (not shown), the hydraulic steering system includes a hydraulic power unit 300, a hydraulic actuator 200, a liquid storage tank 400 and a valve block structure 100 according to the above embodiment, the hydraulic actuator 200 is connected with a high-pressure oil chamber 11 and a low-pressure oil chamber 12 respectively, the high-pressure oil chamber 11 is connected with one end of the hydraulic power unit 300, the low-pressure oil chamber 12 is connected with an oil inlet end of the liquid storage tank 400, and an oil outlet end of the liquid storage tank 400 is connected with the other end of the hydraulic power unit 300; the valve block structure 100 is in signal connection with an electronic control unit. Because according to the utility model discloses valve block structure 100 has above-mentioned technological effect, consequently, according to the utility model discloses the vehicle also has corresponding technological effect, effectively restricts system pressure promptly, also can reduce the fault rate of oil pump and steering gear, improves the system life-span. 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 passage 13, and the oil returns to the low-pressure area and then flows into the liquid storage tank 400, so that the system pressure is not too 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 will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "illustrative embodiments," "preferred embodiments," "detailed description," or "preferred embodiments" or the like, mean 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A valve block structure, comprising:
the valve body is internally provided with a high-pressure oil cavity, a low-pressure oil cavity and an oil channel, and the high-pressure oil cavity is communicated with the low-pressure oil cavity through the oil channel;
the high-pressure oil cavity is provided with a first outlet end and a second outlet end which are arranged oppositely, a first installation cavity communicated with the oil channel 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 which is applied by the first biasing member and faces the direction of the first outlet end so as to close the high-pressure oil cavity and the oil channel;
a second installation cavity communicated with the high-pressure oil cavity is arranged at the second outlet end, 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 abuts against the second valve core and applies a second biasing force towards the direction of the high-pressure oil cavity to the second valve core, and the pressure switch terminal is in signal connection with an electronic control unit;
when the pressure of the high-pressure oil cavity exceeds the preset pressure, the first valve core overcomes the first biasing force to move towards the first installation cavity so as to communicate the high-pressure oil cavity, the oil passage and the low-pressure oil cavity, the second valve core overcomes the second biasing force to move towards the second installation cavity so as to enable the second valve core to be in contact with the pressure switch terminal, and the electronic control unit receives signals and adjusts the power of an engine.
2. The valve block structure of claim 1, wherein the pressure switch terminal is at least partially exposed outside the second mounting cavity.
3. The valve block structure as claimed in claim 2, wherein said high pressure oil chamber extends through said valve body to form two oppositely disposed first oil inlets and first oil outlets on said valve body;
and/or the low-pressure oil cavity penetrates through the valve body to form a second oil inlet and a second oil outlet which are oppositely arranged on the valve body.
4. The valve block structure according to claim 3, wherein the oil passages are inverted, and include a first oil passage, a second oil passage, and a third oil passage that are communicated with each other, the first oil passage being provided at the first installation cavity position and being communicated with the high-pressure oil chamber when the pressure in the high-pressure oil chamber exceeds a preset pressure, the third oil passage being provided at the low-pressure oil chamber and being communicated with the low-pressure oil chamber, the second oil passage being provided between the first oil passage and the second oil passage.
5. The valve block structure according to claim 4, wherein a first through hole is provided in the valve body at a position near a communication position of 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 at a position at which the second oil passage and the third oil passage communicate, and a second fixing bolt is fixed in the second through hole.
6. The valve block structure according to claim 5, wherein one end of the second oil passage that is close to the third oil passage penetrates the valve body to form a third through hole in a side wall of the valve body, and a third fixing bolt is fixed in the third through hole.
7. The valve block structure according to claim 6, wherein the axial lines of the second through hole and the third through hole are perpendicular to each other, and the axial line of the first through hole and the extension line of the axial line of the third through hole are perpendicular to each other.
8. The valve block structure according to claim 7, wherein a first adjustment screw plug sealingly slidably connected to an inner wall of said first mounting chamber is mounted between said first mounting chamber and said low-pressure oil chamber, and said first biasing member abuts on said first adjustment screw plug.
9. The valve block structure of claim 8, wherein a first adjusting hole is formed in a side wall of the valve body close to the low-pressure oil chamber, and a second adjusting screw plug is fixed in the first adjusting hole.
10. A vehicle, characterized by comprising 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 the valve block structure as recited in any one of claims 1 to 9, the hydraulic actuator is respectively connected with the high-pressure oil chamber and the low-pressure oil chamber, the high-pressure oil chamber is connected with one end of the hydraulic power unit, the low-pressure oil chamber 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157943.6U CN211568087U (en) | 2020-02-10 | 2020-02-10 | Valve block structure and vehicle with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157943.6U CN211568087U (en) | 2020-02-10 | 2020-02-10 | Valve block structure and vehicle with same |
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| CN211568087U true CN211568087U (en) | 2020-09-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114636A (en) * | 2020-02-10 | 2020-05-08 | 北京汽车集团越野车有限公司 | Valve block structure and vehicle with same |
| CN111114636B (en) * | 2020-02-10 | 2024-07-05 | 北京汽车集团越野车有限公司 | Valve block structure and vehicle with same |
-
2020
- 2020-02-10 CN CN202020157943.6U patent/CN211568087U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114636A (en) * | 2020-02-10 | 2020-05-08 | 北京汽车集团越野车有限公司 | Valve block structure and vehicle with same |
| CN111114636B (en) * | 2020-02-10 | 2024-07-05 | 北京汽车集团越野车有限公司 | Valve block structure and vehicle with same |
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| GR01 | Patent grant |