CN113232557B - Automobile seat system with pedal - Google Patents

Automobile seat system with pedal Download PDF

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Publication number
CN113232557B
CN113232557B CN202110418381.5A CN202110418381A CN113232557B CN 113232557 B CN113232557 B CN 113232557B CN 202110418381 A CN202110418381 A CN 202110418381A CN 113232557 B CN113232557 B CN 113232557B
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China
Prior art keywords
oil
piston
ring groove
outlet
piston rod
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CN202110418381.5A
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CN113232557A (en
Inventor
武和全
边楚虹
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Priority to CN202110418381.5A priority Critical patent/CN113232557B/en
Publication of CN113232557A publication Critical patent/CN113232557A/en
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    • 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
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • 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
    • B60N2002/0204—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement
    • B60N2002/022—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement the seat or seat part turning about or moving along a vertical axis

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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)
  • Mechanically-Actuated Valves (AREA)
  • Actuator (AREA)

Abstract

An automobile seat system with a pedal comprises a bottom plate, a seat, an object placing table, a driving column, a supporting column, a hydraulic system and a pedal assembly; the footrest assembly includes: the pedal, the telescopic rod, the fixed cylinder, the shell and the sliding shaft; the seat includes: a base, a backrest, a headrest and a slide rail; the sliding rail is arranged in the base, and the backrest is rotatably connected with the base; the fixed cylinder is arranged in the shell, the telescopic rod can move in the fixed cylinder in a telescopic mode, the shell is arranged in the sliding rail in a pedal assembly storage state, the sliding shaft moves to the end portion of the sliding rail in a pedal assembly unfolding state, the shell can rotate relative to the base through the sliding shaft, the telescopic rod extends out of the fixed cylinder, the tail end of the telescopic rod is connected with the pedal plate, and the pedal plate can rotate relative to the telescopic rod to adjust a pedal angle.

Description

Automobile seat system with pedal
Technical Field
The invention relates to the field of automatic driving of automobiles, in particular to an automobile seat system with a pedal.
Background
In future highly automated automobiles, manual driving is not needed any more, the passenger compartment of the automobile does not have the interior trim such as a steering wheel, a central console and the like, and the interior of the automobile has 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 tedious, and the automobile seat capable of rotating automatically can make passengers in the automobile talk face to face, and even can be in the automobile with coffee and afternoon tea. 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 careful demands and demands on the drive structure and the drive 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 common multi-way valve in the prior art is generally below eight-way, and due to the limitation of space and volume, the multi-way valve with more passages is seldom provided.
3. The multi-way valve in the prior art comprises linear driving and rotary driving, but the multi-way valve above the five-way valve basically selects a rotary valve mode, 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 slide valve in the prior art, the pistons are basically in a regular piston block structure, but the regular piston block is not flexible in plugging, space interference is easy to occur, and the manufacturing cost is high if the volume is large.
6. Although the inlet and the outlet of the multi-way valve in the prior art can be used interchangeably theoretically, the multi-way valve does not have a corresponding scheme of bidirectional use actually, and when the multi-way valve is amplified into the whole oil way, the whole oil way structure cannot be reversible in forward and reverse directions.
7. In the piston type sliding valve in the prior art, the piston is probably provided with an internal passage, but the internal passage can only carry out one-way conveying, actually, a corresponding scheme for two-way use is not provided, and when the piston type sliding valve is amplified into the whole oil way, the whole oil way structure cannot be reciprocal in the forward direction and the reverse direction.
8. The piston and the piston rod in the prior art are provided with passages, and the technical scheme that the inlet and the outlet are arranged on the piston rod is not provided.
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: an automobile seat system with a pedal comprises a bottom plate, a seat, an object placing table, a driving column, a supporting column, a hydraulic system and a pedal assembly; the footrest assembly includes: a pedal, a telescopic rod, a fixed cylinder, a shell and a sliding shaft; the seat includes: a base, a backrest, a headrest and a slide rail; the sliding rail is arranged in the base, and the backrest is rotatably connected with the base; the fixed cylinder is arranged in the shell, the telescopic rod can move in the fixed cylinder in a telescopic mode, the shell is arranged in the slide rail in a foot pedal assembly storage state, the slide shaft moves to the end portion of the slide rail in a foot pedal assembly unfolding state, the shell can rotate relative to the base through the slide shaft, the telescopic rod extends out of the fixed cylinder, the tail end of the telescopic rod is connected with the pedal plate, and the pedal plate can rotate relative to the telescopic rod to adjust a pedal angle.
The hydraulic system includes: the oil pump, the oil tank and the 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-way valve is arranged in the supporting column, the oil pump supplies hydraulic oil in the oil tank to the driving column through the eleventh-way 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, 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 by the second interface or the first interface returns to the oil tank through the eleventh-way valve.
The eleven-way valve includes: the piston 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 opening, second advance oil return opening, third advance oil return opening, fourth and advance the oil return opening, the oil return opening is advanced to the second group 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 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; 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 through linear sliding in the valve body, the first piston rod and the second piston rod are respectively arranged at two ends of the main body of the piston block, the first piston plate is connected with the tail end of the first piston rod, the second piston plate is connected with the tail end of the second piston rod, 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.
Further, the joint is a threaded joint.
Further, the inner side of the inlet is provided with threads.
Furthermore, 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 with four linear passages, and the second outer ring groove is replaced with four linear passages.
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 beneficial effects of the invention are:
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, a slide valve structure is adopted, and excessive space occupation is not additionally increased on the basis of realizing the on-off control of the ultra-multi channels.
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 designed to be too long, and the piston rod can realize the sealing of the outlet by the piston plate only by short stroke.
5. Aiming at the 5 th point of the background technology, the two ends of the piston block are provided with the baffle plates which block the oil inlet and the oil outlet on the valve body, thereby avoiding the mutual interference of the oversize piston block and the stepped structure in the valve body and saving the manufacturing cost 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 schematic view of a vehicle seat of the present invention;
FIG. 2 is a schematic view of a closed state of the eleven-way valve of the present invention;
FIG. 3 is a schematic view of a first direction operating mode of the eleven-way valve of the present invention;
FIG. 4 is a schematic view of the eleventh way valve of the present invention in a second direction;
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 operation of the drive column of the present invention;
FIG. 7 is a view showing a state where the footrest assembly of the vehicle seat is stowed;
FIG. 8 is a view of the step assembly of the vehicle seat of the present invention in a deployed state;
in the figures, the reference numerals are as follows:
1. the base plate 2, the seat 3, the object placing table 4, the driving column 5, the supporting column 6, the valve body 7, the piston block 8, the first group of oil inlet and return ports 9, the first outer ring groove 10, the second group of oil inlet and return ports 11, the joint 12, the first piston plate 13, the first piston rod 14, the first outlet 15, the baffle plate 16, the second outer ring groove 17, the first inner ring groove 18, the second inner ring groove 19, the end wall 20, the second outlet 21, the second piston rod 22, the second piston plate 23, the inlet 24, the first oil inlet and return port 25, the second oil inlet and return port 26, the third oil inlet and return port 27, the fourth oil inlet and return port 28, the driving shaft 29, the movable block 30, the stationary block 31, the first port 32, the second port 33, the convex ring 34, the oil discharge passage 35, the first port 36, the second port 37, the base 38, the backrest 39, the headrest 40, the foot pedal 41, the telescopic rod 42, the fixed cylinder 43, the shell 44, the sliding shaft 45, the sliding rail 40
Detailed Description
As shown in the figure: an automobile seat system with a pedal comprises a bottom plate, a seat, an object placing table, a driving column, a supporting column, a hydraulic system and a pedal assembly; the footrest assembly includes: the pedal, the telescopic rod, the fixed cylinder, the shell and the sliding shaft; the seat includes: a base, a backrest, a headrest and a slide rail; the sliding rail is arranged in the base, and the backrest is rotatably connected with the base; the fixed cylinder is arranged in the shell, the telescopic rod can move in the fixed cylinder in a telescopic mode, the shell is arranged in the slide rail in a foot pedal assembly storage state, the slide shaft moves to the end part of the slide rail in a foot pedal assembly unfolding state, the shell can rotate relative to the base through the slide shaft, the telescopic rod extends out of the fixed cylinder, the tail end of the telescopic rod is connected with the pedal plate, and the pedal plate can rotate relative to the telescopic rod to adjust a foot pedal angle;
the hydraulic system includes: 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-way valve is arranged in the supporting column, the oil pump supplies hydraulic oil in the oil tank to the driving column through the eleventh-way 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 by the second interface or the first interface returns to the oil tank through the eleventh-way valve;
the eleven-way valve includes: the piston 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 opening, second advance oil return opening, third advance oil return opening, fourth and advance the oil return opening, the oil return opening is advanced to the second group 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 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; 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 respectively 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.
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. 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 above detailed description is directed to a specific example of a possible embodiment of the present invention, which is not intended to limit the scope of the invention, but rather the scope of the invention is intended to include all equivalent implementations or modifications without departing from the scope of the invention.

Claims (10)

1. An automobile seat system with a pedal is characterized by comprising a bottom plate, the seat, an object placing table, a driving column, a supporting column, a hydraulic system and a pedal assembly; the footrest assembly includes: a pedal, a telescopic rod, a fixed cylinder, a shell and a sliding shaft; the seat includes: a base, a backrest, a headrest and a slide rail; the sliding rail is arranged in the base, and the backrest is rotatably connected with the base; the fixed cylinder is arranged in the shell, the telescopic rod can move in the fixed cylinder in a telescopic mode, the shell is arranged in the slide rail in a foot pedal assembly storage state, the slide shaft moves to the end part of the slide rail in a foot pedal assembly unfolding state, the shell can rotate relative to the base through the slide shaft, the telescopic rod extends out of the fixed cylinder, the tail end of the telescopic rod is connected with the pedal plate, and the pedal plate can rotate relative to the telescopic rod to adjust a foot pedal angle;
the hydraulic system includes: the oil pump, the oil tank and the 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 opening, second advance oil return opening, third advance oil return opening, fourth and advance the oil return opening, the oil return opening is advanced to the second group 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 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; 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 through linear sliding in the valve body, the first piston rod and the second piston rod are respectively arranged at two ends of the main body of the piston block, the first piston plate is connected with the tail end of the first piston rod, the second piston plate is connected with the tail end of the second piston rod, 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 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 and the second hole 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, enters the valve body and is output to the oil tank through the second outlet and oil discharge channels in the second piston rod.
2. The footrest-equipped vehicle seat system as described in claim 1, wherein: the joint is a threaded joint.
3. The footrest-equipped vehicle seat system of claim 1, wherein: the inner side of the inlet is provided with threads.
4. The footrest-equipped vehicle seat system of claim 1, wherein: during the movement, the baffle plate does not interfere with the convex ring.
5. The footrest-equipped vehicle seat system as described in claim 1, wherein: the height of the first piston plate is greater than the height of the first outlet.
6. The footrest-equipped vehicle seat system of claim 1, wherein: the inlet is higher than the first outer ring groove.
7. The footrest-equipped vehicle seat system as described in claim 1, wherein: the moving block is a fan-shaped block.
8. The footrest-equipped vehicle seat system as described in claim 1, wherein: 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 footrest-equipped vehicle seat system of claim 1, wherein: the inner diameter of the convex ring is larger than the outer diameter of the first piston rod.
10. The footrest-equipped vehicle seat system as described in claim 1, wherein: 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.
CN202110418381.5A 2021-04-19 2021-04-19 Automobile seat system with pedal Active CN113232557B (en)

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CN202110418381.5A CN113232557B (en) 2021-04-19 2021-04-19 Automobile seat system with pedal

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CN113232557B true CN113232557B (en) 2022-07-26

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