CN113187773A - Hydraulic system for vehicle - Google Patents
Hydraulic system for vehicle Download PDFInfo
- Publication number
- CN113187773A CN113187773A CN202110417792.2A CN202110417792A CN113187773A CN 113187773 A CN113187773 A CN 113187773A CN 202110417792 A CN202110417792 A CN 202110417792A CN 113187773 A CN113187773 A CN 113187773A
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- Prior art keywords
- oil
- piston
- inlet
- ring groove
- outlet
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- 239000003921 oil Substances 0.000 claims abstract description 115
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/14—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Actuator (AREA)
Abstract
A vehicle hydraulic system comprises a bottom plate, a seat, a storage table, a driving column, a supporting column, an oil pump, an oil tank and an eleven-way valve; the seat is connected with the bottom plate through the driving column, the object placing table is connected with the bottom plate through the supporting column, the eleventh through valve is arranged in the supporting column, the oil pump supplies hydraulic oil in the oil tank to the driving column through the eleventh through valve, a driving shaft, a moving block, a static block, a first interface and a second interface are arranged in the driving column, the supplied hydraulic oil supplies oil into the driving column through the first interface or the second interface, so that the moving block is driven to rotate clockwise or anticlockwise, the moving block drives the driving shaft to rotate so as to rotate the seat, and the oil discharged from the second interface or the first interface returns to the oil tank through the eleventh through valve.
Description
Technical Field
The invention relates to the field of automatic driving automobiles, in particular to a hydraulic system for a vehicle.
Background
In future highly automated automobiles, manual driving is not needed any more, the passenger compartment of the automobile is not provided with the inner decorations such as a steering wheel, a central console and the like, and the interior of the automobile is provided with larger space which can be freely controlled. The automobile seat can provide a comfortable riding environment for passengers, and along with the change of the technology of the automatic driving automobile, the automatic driving automobile seat can rotate at any angle according to the requirement of the passenger on the premise of ensuring the passenger to ride comfortably, so that the unconstrained feeling of people riding the automatic driving automobile is met.
In a long-distance driving scene, the single orientation of the traditional seat arrangement makes the whole journey become dull, and the automobile seat capable of rotating automatically can enable passengers in the automobile to talk face to face, and even can talk with coffee and afternoon tea in the automobile. In a short-distance driving scene, passengers in the automobile can have a short rest, read, surf the internet and the like. Existing car seat arrangements have been unable to meet the diverse requirements of occupants in a car for the riding environment. This places higher and more detailed demands and requirements on the driving structure and driving system of the seat.
The prior art has the following problems and disadvantages with respect to solving practical problems.
1. The rotating mechanism of the rotary seat of the prior art mostly adopts motor drive, belt drive, gear rack or worm gear drive, however, the above-mentioned transmission mode occupies a large volume, and especially if four seats are all driven, a large number of components occupy more space.
2. The prior art common multi-way valve is generally below eight-way, and due to the limitation of space and volume, the multi-way valve with more passages is not available.
3. The multi-way valve in the prior art comprises linear driving and rotary driving, but the multi-way valve above a five-way valve basically selects a mode of a rotary valve, and the multi-way valve in the linear driving mode cannot realize on-off control of a large number of passages, otherwise, the length and the volume of the valve are greatly increased.
4. In the piston type sliding valve in the prior art, the piston is directly matched with the wall surface of the hole to realize fitting, but the structure with limited size and volume is long, so that the size is controlled under the influence.
5. In the piston type sliding valve in the prior art, the pistons are basically of a regular piston block structure, but the regular piston block is not flexible in blocking, space interference is easy to occur, and the manufacturing cost is high if the size is large.
6. Although the inlet and outlet ports of the multi-way valve in the prior art can be used interchangeably in theory, the multi-way valve does not have a corresponding scheme for bidirectional use in practice, and when the multi-way valve is amplified into the whole oil way, the whole oil way structure cannot be reversible in the forward direction and the reverse direction.
7. In the piston type sliding valve in the prior art, a piston may be provided with an internal passage, but the internal passage can only be used for one-way conveying, a corresponding scheme for two-way use is not provided actually, and the whole oil path structure cannot be reciprocal in the forward direction and the reverse direction when the piston is amplified into the whole oil path.
8. The piston and the piston rod in the prior art are provided with passages, but the technical scheme that the inlet and the outlet are arranged on the piston rod is not available.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a vehicle hydraulic system comprises a bottom plate, a seat, a storage table, a driving column, a supporting column, an oil pump, an oil tank and an eleven-way valve; the seat is connected with the bottom plate through the driving column, the object placing table is connected with the bottom plate through the supporting column, the eleventh through valve is arranged in the supporting column, the oil pump supplies hydraulic oil in the oil tank to the driving column through the eleventh through valve, a driving shaft, a moving block, a static block, a first interface and a second interface are arranged in the driving column, the supplied hydraulic oil supplies oil into the driving column through the first interface or the second interface, so that the moving block is driven to rotate clockwise or anticlockwise, the moving block drives the driving shaft to rotate so as to rotate the seat, and the oil discharged from the second interface or the first interface returns to the oil tank through the eleventh through valve.
The eleven-way valve includes: the valve comprises a valve body, a piston block, an inlet, a first outlet, a second outlet, a first group of oil inlet and return ports, a second group of oil inlet and return ports, a joint, a first piston plate, a first piston rod, a second piston plate and a convex ring; the first set of oil inlet and return ports comprises: first oil return inlet, second advance oil return inlet, third and advance oil return inlet, fourth and advance oil return inlet, the second group advances the oil return inlet and includes: a fifth oil inlet and return port, a sixth oil inlet and return port, a seventh oil inlet and return port and an eighth oil inlet and return port; the piston block includes: the piston block comprises a piston block body, a first outer ring groove, a second outer ring groove, a first inner ring groove, a second inner ring groove and a baffle plate; an oil discharge channel is respectively arranged in the first piston rod and the second piston rod, each oil discharge channel comprises a first hole and a second hole, and the first hole and the second hole are both arranged on the first piston rod and the second piston rod.
The two ends of the piston block are respectively provided with four baffles for correspondingly opening and closing the first group of oil inlet and return ports and the second group of oil inlet and return ports; the piston block finishes work by sliding linearly in the valve body, the two ends of the main body of the piston block are respectively provided with the first piston rod and the second piston rod, the tail end of the first piston rod is connected with the first piston plate, the tail end of the second piston rod is connected with the second piston plate, a first outer ring groove, a second outer ring groove, a first inner ring groove and a second inner ring groove are arranged in the piston block, the first outer ring groove and the first inner ring groove are communicated with each other, and the second outer ring groove and the second inner ring groove are communicated with each other; the valve body is characterized in that the end wall of one side of the valve body is sunken to form a first outlet, the first outlet is correspondingly matched with the first piston plate, the end wall of the other side of the valve body is sunken to form a second outlet, the second outlet is correspondingly matched with the second piston plate, the inner sides of the first outlet and the second outlet are respectively provided with one convex ring to form a valve seat structure, and the outer sides of the first outlet and the second outlet are respectively provided with one joint.
When the first piston plate is attached to the first outlet, hydraulic oil enters the valve body from the inlet through the first outer ring groove and the first inner ring groove and is output to the driving column through the first group of oil inlet and return ports, the first hole opening and the second hole opening in the first piston rod are both located in the valve body at the moment, the baffle on the same side as the second piston rod abuts against the end wall of the valve body, and return oil from the driving column to the eleventh-way valve is conveyed to the second outer ring groove and the second inner ring groove through the second group of oil inlet and return ports to enter the valve body and is output to the oil tank through the second outlet and an oil discharge channel in the second piston rod.
Further, the joint is a threaded joint.
Further, the inner side of the inlet is provided with threads.
Further, during the movement process, the baffle plate does not interfere with the convex ring.
Further, the height of the first piston plate is greater than the height of the first outlet.
Further, the height of the inlet is greater than the height of the first outer ring groove.
Further, the moving block is a fan-shaped block.
Further, the first outer ring groove is replaced by four linear channels, and the second outer ring groove is replaced by four linear channels.
Further, the inner diameter of the convex ring is larger than the outer diameter of the first piston rod.
Further, the piston block is internally provided with a passive magnet so as to be matched with a driving magnet outside the valve body to move.
The invention has the beneficial effects.
1. To the 1 st point of background art, utilize the round table support column as one of drive unit holding point, avoided all actuating mechanism to concentrate on the vehicle chassis, utilize hydraulic drive system simultaneously, can realize one through simple oil circuit and control more, realize the rotation of many seats, avoided every set of seat to set up actuating mechanism alone or a large amount of complicated gear belt transmission.
2. Aiming at the 2 nd point of the background technology, the eleven-way valve is adopted, and the control of all oil ways can be realized through one valve structure, so that the number of parts is greatly reduced, and the manufacturing cost is reduced.
3. Aiming at the 3 rd point of the background technology, the traditional rotary valve core is abandoned in the eleven-way valve, but a slide valve structure is adopted, and on the basis of realizing the on-off control of the ultra-multi-channel, excessive space occupation is not additionally increased.
4. Aiming at the 4 th point of the background technology, the wall surfaces at the two ends of the valve body are provided with the depressions which are matched with the piston plate, so that the piston rod does not need to be too long, and the piston rod can realize the sealing of the outlet by the piston plate only by short stroke.
5. To the 5 th point of the background art, the two ends of the piston block are provided with the baffle plates, and the baffle plates block the oil inlet and return ports on the valve body, so that the piston block is prevented from being too large and interfering with a stepped structure in the valve body, and the manufacturing cost can be saved by reducing the volume.
6. To the 6 th point of background art, the design makes the through-hole on each valve body all regard as oil inlet and oil return opening simultaneously, has improved space utilization.
7. To the 7 th point of background art, the design makes the internal passage of piston piece all regard as oil feed route and oil return route, has improved space utilization.
8. To the 8 th point of the background art, an oil discharge passage is provided in the piston rod, and more importantly, an oil inlet port and an oil outlet port of the oil discharge passage are both provided on the piston rod, thereby preventing the port from being provided on the piston plate to cause undesirable discharge of oil.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a three-dimensional view of an automotive seat of the present invention.
Fig. 2 is a schematic view of the closed state of the eleven-way valve of the present invention.
Fig. 3 is a schematic diagram of the eleven-way valve of the invention in a first direction working state.
FIG. 4 is a schematic view of the eleventh way valve of the present invention in a second direction and discharging oil.
FIG. 5 is a cross-sectional view taken along the line A of FIG. 3 according to the present invention;
fig. 6 is a schematic diagram of the internal working of the driving column of the present invention.
In the drawings, reference numerals are as follows.
1. The oil-return valve comprises a bottom plate 2, a seat 3, an object placing table 4, a driving column 5, a supporting column 6, a valve body 7, a piston block 8, a first group of oil inlet and return ports 9, a first outer ring groove 10, a second group of oil inlet and return ports 11, a joint 12, a first piston plate 13, a first piston rod 14, a first outlet 15, a baffle plate 16, a second outer ring groove 17, a first inner ring groove 18, a second inner ring groove 19, an end wall 20, a second outlet 21, a second piston rod 22, a second piston plate 23, an inlet 24, a first oil inlet and return port 25, a second oil inlet and return port 26, a third oil inlet and return port 27, a fourth oil inlet and return port 28, a driving shaft 29, a movable block 30, a fixed block 31, a first connector 32, a second connector 33, a convex ring 34, an oil discharge channel 35, a first hole 36 and a second hole.
Detailed Description
As shown in the figure: a vehicle hydraulic system comprises a bottom plate, a seat, a storage table, a driving column, a supporting column, an oil pump, an oil tank and an eleven-way valve; the seat is connected with the bottom plate through the driving column, the object placing table is connected with the bottom plate through the supporting column, the eleventh through valve is arranged in the supporting column, the oil pump supplies hydraulic oil in the oil tank to the driving column through the eleventh through valve, a driving shaft, a moving block, a static block, a first interface and a second interface are arranged in the driving column, the supplied hydraulic oil supplies oil into the driving column through the first interface or the second interface, so that the moving block is driven to rotate clockwise or anticlockwise, the moving block drives the driving shaft to rotate so as to rotate the seat, and the oil discharged from the second interface or the first interface returns to the oil tank through the eleventh through valve.
The eleven-way valve includes: the valve comprises a valve body, a piston block, an inlet, a first outlet, a second outlet, a first group of oil inlet and return ports, a second group of oil inlet and return ports, a joint, a first piston plate, a first piston rod, a second piston plate and a convex ring; the first set of oil inlet and return ports comprises: first oil return inlet, second advance oil return inlet, third and advance oil return inlet, fourth and advance oil return inlet, the second group advances the oil return inlet and includes: a fifth oil inlet and return port, a sixth oil inlet and return port, a seventh oil inlet and return port and an eighth oil inlet and return port; the piston block includes: the piston block comprises a piston block body, a first outer ring groove, a second outer ring groove, a first inner ring groove, a second inner ring groove and a baffle plate; an oil discharge channel is respectively arranged in the first piston rod and the second piston rod, each oil discharge channel comprises a first hole and a second hole, and the first hole and the second hole are both arranged on the first piston rod and the second piston rod.
The two ends of the piston block are respectively provided with four baffles for correspondingly opening and closing the first group of oil inlet and return ports and the second group of oil inlet and return ports; the piston block finishes work by sliding linearly in the valve body, the first piston rod and the second piston rod are arranged at two ends of the piston block main body respectively, the tail end of the first piston rod is connected with the first piston plate, the tail end of the second piston rod is connected with the second piston plate, a first outer annular groove, a second outer annular groove, a first inner annular groove and a second inner annular groove are arranged in the piston block, the first outer annular groove and the first inner annular groove are communicated with each other, and the second outer annular groove and the second inner annular groove are communicated with each other. The valve body is characterized in that the end wall of one side of the valve body is sunken to form a first outlet, the first outlet is correspondingly matched with the first piston plate, the end wall of the other side of the valve body is sunken to form a second outlet, the second outlet is correspondingly matched with the second piston plate, the inner sides of the first outlet and the second outlet are respectively provided with one convex ring to form a valve seat structure, and the outer sides of the first outlet and the second outlet are respectively provided with one joint.
As shown in the figure: when the first piston plate is attached to the first outlet, hydraulic oil enters the valve body from the inlet through the first outer ring groove and the first inner ring groove and is output to the driving column through the first group of oil inlet and return ports, the first hole opening and the second hole opening in the first piston rod are both located in the valve body at the moment, the baffle on the same side as the second piston rod abuts against the end wall of the valve body, and return oil from the driving column to the eleventh-way valve is conveyed to the second outer ring groove and the second inner ring groove through the second group of oil inlet and return ports to enter the valve body and is output to the oil tank through the second outlet and an oil discharge channel in the second piston rod.
In fig. 3 and 4, the baffle is not on the same circumference as the convex rings near the first and second outlets, and the baffle blocks the first and second outlets for the reason of visual angle, and does not block the first and second outlets actually.
As shown in the figure: the joint is a threaded joint. The inner side of the inlet is provided with threads. During the movement, the baffle plate does not interfere with the convex ring. The height of the first piston plate is greater than the height of the first outlet. The inlet is higher than the first outer ring groove. The moving block is a fan-shaped block. The first outer ring grooves are replaced by four linear channels, and the second outer ring grooves are replaced by four linear channels. The inner diameter of the convex ring is larger than the outer diameter of the first piston rod. And a passive magnet is arranged in the piston block so as to be matched with the driving magnet outside the valve body to move.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The hydraulic system for the vehicle is characterized by comprising a bottom plate, a seat, a storage table, a driving column, a supporting column, an oil pump, an oil tank and an eleven-way valve; the seat is connected with the bottom plate through the driving column, the object placing table is connected with the bottom plate through the supporting column, the eleventh through valve is arranged in the supporting column, the oil pump supplies hydraulic oil in the oil tank to the driving column through the eleventh through valve, a driving shaft, a movable block, a static block, a first interface and a second interface are arranged in the driving column, the supplied hydraulic oil supplies oil into the driving column through the first interface or the second interface, so that the movable block is driven to rotate clockwise or anticlockwise, the movable block drives the driving shaft to rotate so as to rotate the seat, and the oil discharged from the second interface or the first interface returns to the oil tank through the eleventh through valve;
the eleven-way valve includes: the valve comprises a valve body, a piston block, an inlet, a first outlet, a second outlet, a first group of oil inlet and return ports, a second group of oil inlet and return ports, a joint, a first piston plate, a first piston rod, a second piston plate and a convex ring; the first set of oil inlet and return ports comprises: first oil return inlet, second advance oil return inlet, third and advance oil return inlet, fourth and advance oil return inlet, the second group advances the oil return inlet and includes: a fifth oil inlet and return port, a sixth oil inlet and return port, a seventh oil inlet and return port and an eighth oil inlet and return port; the piston block includes: the piston block comprises a piston block body, a first outer ring groove, a second outer ring groove, a first inner ring groove, a second inner ring groove and a baffle plate; an oil discharge channel is respectively arranged in the first piston rod and the second piston rod, each oil discharge channel comprises a first hole and a second hole, and the first hole and the second hole are both arranged on the first piston rod and the second piston rod;
the two ends of the piston block are respectively provided with four baffles for correspondingly opening and closing the first group of oil inlet and return ports and the second group of oil inlet and return ports; the piston block finishes work by sliding linearly in the valve body, the two ends of the main body of the piston block are respectively provided with the first piston rod and the second piston rod, the tail end of the first piston rod is connected with the first piston plate, the tail end of the second piston rod is connected with the second piston plate, a first outer ring groove, a second outer ring groove, a first inner ring groove and a second inner ring groove are arranged in the piston block, the first outer ring groove and the first inner ring groove are communicated with each other, and the second outer ring groove and the second inner ring groove are communicated with each other; the end wall of one side of the valve body is sunken to form a first outlet, the first outlet is correspondingly matched with the first piston plate, the end wall of the other side of the valve body is sunken to form a second outlet, the second outlet is correspondingly matched with the second piston plate, the inner sides of the first outlet and the second outlet are respectively provided with one convex ring to form a valve seat structure, and the outer sides of the first outlet and the second outlet are respectively provided with one connector;
when the first piston plate is attached to the first outlet, hydraulic oil enters the valve body from the inlet through the first outer ring groove and the first inner ring groove and is output to the driving column through the first group of oil inlet and return ports, the first hole opening and the second hole opening in the first piston rod are both located in the valve body at the moment, the baffle on the same side as the second piston rod abuts against the end wall of the valve body, and return oil from the driving column to the eleventh-way valve is conveyed to the second outer ring groove and the second inner ring groove through the second group of oil inlet and return ports to enter the valve body and is output to the oil tank through the second outlet and an oil discharge channel in the second piston rod.
2. The vehicular hydraulic system according to claim 1, characterized in that: the joint is a threaded joint.
3. The vehicular hydraulic system according to claim 1, characterized in that: the inner side of the inlet is provided with threads.
4. The vehicular hydraulic system according to claim 1, characterized in that: during the movement, the baffle plate does not interfere with the convex ring.
5. The vehicular hydraulic system according to claim 1, characterized in that: the height of the first piston plate is greater than the height of the first outlet.
6. The vehicular hydraulic system according to claim 1, characterized in that: the inlet is higher than the first outer ring groove.
7. The vehicular hydraulic system according to claim 1, characterized in that: the moving block is a fan-shaped block.
8. The vehicular hydraulic system according to claim 1, characterized in that: the first outer ring grooves are replaced by four linear channels, and the second outer ring grooves are replaced by four linear channels.
9. The vehicular hydraulic system according to claim 1, characterized in that: the inner diameter of the convex ring is larger than the outer diameter of the first piston rod.
10. The vehicular hydraulic system according to claim 1, characterized in that: and a passive magnet is arranged in the piston block so as to be matched with the driving magnet outside the valve body to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110417792.2A CN113187773A (en) | 2021-04-19 | 2021-04-19 | Hydraulic system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110417792.2A CN113187773A (en) | 2021-04-19 | 2021-04-19 | Hydraulic system for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113187773A true CN113187773A (en) | 2021-07-30 |
Family
ID=76977534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110417792.2A Pending CN113187773A (en) | 2021-04-19 | 2021-04-19 | Hydraulic system for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113187773A (en) |
-
2021
- 2021-04-19 CN CN202110417792.2A patent/CN113187773A/en active Pending
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Application publication date: 20210730 |
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