CN112253563A - Hydraulic valve device for vehicle lifting - Google Patents
Hydraulic valve device for vehicle lifting Download PDFInfo
- Publication number
- CN112253563A CN112253563A CN202011130215.7A CN202011130215A CN112253563A CN 112253563 A CN112253563 A CN 112253563A CN 202011130215 A CN202011130215 A CN 202011130215A CN 112253563 A CN112253563 A CN 112253563A
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- Prior art keywords
- hydraulic valve
- fixedly connected
- threaded
- valve device
- magnet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a hydraulic valve device for lifting a vehicle, which belongs to the technical field of hydraulic valves and comprises a shell, wherein a first rotating mechanism is clamped on the upper surface of the shell, two ends of the first rotating mechanism are respectively and fixedly connected with the lower surface of a turntable and the top end of a connecting rod, and the bottom end of the connecting rod is fixedly connected with a second rotating mechanism. This be used for vehicle hydraulic valve device for lift, through setting up the voussoir, second magnet and universal wheel, the staff promotes the casing, make that the staff can be convenient remove the hydrovalve body to treating the mounted position, the staff rotates the carousel, make the diaphragm drive the dead lever and move to the fixed slot in, when diaphragm and fixed plate contact, the work of staff's first magnet of control, set up to the electro-magnet because of first magnet, make the voussoir promote corresponding gyro wheel keep away from each other and drive first slide bar card and advance in the draw-in groove, and is simple in operation, make that the staff can be convenient install this hydrovalve body.
Description
Technical Field
The invention belongs to the technical field of hydraulic valves, and particularly relates to a hydraulic valve device for lifting a vehicle.
Background
The hydrovalve is vehicle elevating system's important component, in the prior art, the car goes up and down with the hydrovalve is bulky, when the staff need install the hydrovalve, the staff need carry it, because the weight of hydrovalve is big, the staff need consume longer time and just can remove it to treating the mounted position, then the staff need use a plurality of screws to install it, it is comparatively troublesome to operate, and current hydraulic valve's size is fixed, when the staff need connect the oil circuit interface of co-altitude not, the staff need connect not unidimensional base in the bottom of hydrovalve and just can install, make the staff be not convenient for use this hydrovalve device.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the invention provides a hydraulic valve device for vehicle lifting, which solves the problems that a hydraulic valve for vehicle lifting is large in size, when a worker needs to install the hydraulic valve, the worker needs to carry the hydraulic valve, as the hydraulic valve is heavy in weight, the worker needs to spend a long time to move the hydraulic valve to a position to be installed, then the worker needs to use a plurality of screws to install the hydraulic valve, the operation is troublesome, the size of the existing hydraulic valve is fixed, when the worker needs to connect oil line interfaces with different heights, the worker needs to connect bases with different sizes at the bottom of the hydraulic valve to install the hydraulic valve, and the worker is inconvenient to use the hydraulic valve device.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be used for vehicle lift to use hydrovalve device, includes the casing, the upper surface joint of casing has first slewing mechanism, first slewing mechanism's both ends respectively with the lower surface of carousel and the top fixed connection of connecting rod, the bottom fixedly connected with second slewing mechanism of connecting rod, the second slewing mechanism joint is at the upper surface of casing, the surface joint of connecting rod has first gear, first gear meshes with four second gears mutually, the joint has a screw thread section of thick bamboo in the second gear, the surface joint of screw thread section of thick bamboo has two bearings, and two bearings difference joints are at the opposite face of shells inner wall, the top threaded connection of screw thread section of thick bamboo has first threaded rod, the same hydrovalve body of top fixedly connected with of four first threaded rods.
The bottom threaded connection of a screw thread section of thick bamboo has the second threaded rod, the same diaphragm of bottom fixedly connected with of four second threaded rods, the four corners fixedly connected with dead lever of diaphragm lower surface, the dead lever sets up in the fixed slot, the upper surface at the fixed plate is seted up to the fixed slot, and the draw-in groove has all been seted up to the right flank that lies in two dead levers in the left side, the joint has first slide bar in the draw-in groove, the surface sliding connection of first slide bar has first sliding sleeve and fixed cover, first sliding sleeve joint is at the left surface of fixed plate inner wall, the lower surface of fixed cover and the lower fixed surface of fixed plate inner wall are connected, the spring has been cup jointed to the surface of first slide bar, the both ends of spring respectively with the right flank of first.
The right-hand member fixedly connected with gyro wheel of first slide bar is located the right flank of two gyro wheels in left side and all overlaps with the left surface of voussoir, the last fixed surface of voussoir is connected with the second slide bar, second slide bar sliding connection is in the second slide sleeve, the top fixedly connected with limiting plate of second slide bar, the lower surface of limiting plate and the lower surface overlap joint of diaphragm inner wall, the lower surface joint of diaphragm has first magnet, the upper surface joint and the second magnet of voussoir.
As a further scheme of the invention: the shape of the rotary table is circular, and the outer surface of the rotary table is provided with an anti-skidding sleeve.
As a further scheme of the invention: the surface joint of a screw thread section of thick bamboo has two bearings, and two bearings joint respectively are at the opposite face of shells inner wall.
As a further scheme of the invention: the number of the second gears is four, and the shape of the second gears is a cone.
As a further scheme of the invention: the number of the thread cylinders is four, and the cross section of each thread cylinder is circular.
As a further scheme of the invention: the four corners of the lower surface of the shell are fixedly connected with universal wheels, and the bottom ends of the universal wheels are in lap joint with the upper surface of the fixing plate.
As a further scheme of the invention: the second sliding sleeve is connected to the lower surface of the transverse plate in a clamping mode, and the cross sections of the second sliding sleeve and the second sliding rod are rectangular.
As a further scheme of the invention: the first magnet and the second magnet are both in the shape of a circular ring.
As a further scheme of the invention: the top end of the second threaded rod is provided with a groove, the shape of the groove is circular, the diameter of the groove is larger than that of the first threaded rod, and the first threaded rod is arranged in the groove.
As a further scheme of the invention: the thread direction of the first threaded rod is opposite to that of the second threaded rod.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. when a worker needs to install the hydraulic valve body, the worker pushes the shell to enable the shell to drive the roller to roll on the fixed plate, so that the worker can conveniently move the hydraulic valve body to a position to be installed, the worker rotates the rotary table to enable the rotary table to drive the four threaded cylinders to rotate through the first rotating mechanism, the first gear and the four second gears, the threaded cylinders and the second threaded rods are matched with each other to drive the transverse plate to move downwards, the transverse plate drives the fixed rod to move into the fixed groove, when the transverse plate is in contact with the fixed plate, the worker controls the first magnet to work, the first magnet is arranged as an electromagnet, and the wedge block can be driven to move downwards through interaction of the first magnet and the second magnet, make the voussoir promote corresponding gyro wheel and keep away from each other and drive first slide bar card and go into the draw-in groove, easy operation for the staff can be convenient install this hydrovalve body.
2. The hydraulic valve device for lifting the vehicle is characterized in that the hydraulic valve device comprises a threaded cylinder, a first threaded rod, a second threaded rod, a rotary disc and a bearing, when a worker needs to connect the hydraulic valve with an oil circuit interface, the worker rotates the rotary disc to drive the first gear to rotate through a first rotating mechanism, so that the first gear drives four second gears to rotate, the four second gears drive the four threaded cylinders to rotate, the threaded cylinder and the first threaded rod are matched with each other to drive the hydraulic valve body to move upwards due to the fact that the top end of the threaded cylinder is in threaded connection with the first threaded rod, the threaded cylinder and the first threaded rod are in threaded connection with each other, the bottom end of the threaded cylinder is in threaded connection with the second threaded rod, so that the threaded cylinder and the second threaded rod are matched with each other to drive the transverse plate to move downwards, when the transverse plate is in contact with the fixed plate, the worker, make a screw thread section of thick bamboo, first threaded rod and second threaded rod mutually support and can take hydraulic valve body upward movement for this hydrovalve device can drive the hydrovalve body and move to different heights and connect the oil circuit interface of co-altitude not, make that the staff can be convenient use this hydrovalve device.
3. This be used for vehicle hydraulic valve device for lift, through setting up the universal wheel, a screw thread section of thick bamboo, first threaded rod and second threaded rod, when the staff need carry the hydrovalve body after the dismantlement, staff's reversal carousel, make the carousel rotate through a screw thread section of thick bamboo, make a screw thread section of thick bamboo drive first threaded rod and second threaded rod precession in the screw thread section of thick bamboo, make first threaded rod precession in the recess, make the staff can transfer little to the size of this hydrovalve body, when the hydrovalve body contacts with a screw thread section of thick bamboo, the staff promotes the casing, make casing and gyro wheel mutually support and can drive the hydrovalve body and remove, make that the staff can be convenient carry the hydrovalve body.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the housing of the present invention from above;
FIG. 3 is an enlarged schematic view of the structure of the present invention at A;
FIG. 4 is an enlarged schematic view of the present invention at B;
FIG. 5 is a schematic sectional view of a second sliding sleeve according to the present invention;
FIG. 6 is a schematic cross-sectional view of the threaded cylinder of the present invention from above;
in the figure: the device comprises a shell 1, a first rotating mechanism 2, a rotating disc 3, a connecting rod 4, a first gear 5, a second rotating mechanism 6, a universal wheel 7, a second gear 8, a threaded cylinder 9, a bearing 10, a first threaded rod 11, a hydraulic valve body 12, a second threaded rod 13, a transverse plate 14, a fixed rod 15, a fixed groove 16, a fixed plate 17, a clamping groove 18, a first sliding rod 19, a first sliding sleeve 20, a fixed sleeve 21, a spring 22, a roller 23, a wedge block 24, a second sliding rod 25, a second sliding sleeve 26, a limiting plate 27, a groove 28, a first magnet 29 and a second magnet 30.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 6, the present invention provides a technical solution: the utility model provides a be used for vehicle hydraulic valve device for lift, which comprises a housin 1, the upper surface joint of casing 1 has first slewing mechanism 2, the both ends of first slewing mechanism 2 respectively with the lower surface of carousel 3 and the top fixed connection of connecting rod 4, the bottom fixedly connected with second slewing mechanism 6 of connecting rod 4, 6 joints of second slewing mechanism are at the upper surface of casing 1, the surface joint of connecting rod 4 has first gear 5, first gear 5 meshes with four second gear 8 mutually, the joint has screw thread section of thick bamboo 9 in the second gear 8, the surface joint of screw thread section of thick bamboo 9 has two bearings 10, two bearings 10 joint respectively are at the opposite face of 1 inner wall of casing, the top threaded connection of screw thread section of thick bamboo 9 has first threaded rod 11, the same hydrovalve body 12 of top fixedly connected with of four first threaded rods 11.
The bottom end of the threaded cylinder 9 is in threaded connection with a second threaded rod 13, the bottom ends of four second threaded rods 13 are fixedly connected with a same transverse plate 14, four corners of the lower surface of the transverse plate 14 are fixedly connected with fixing rods 15, the fixing rods 15 are arranged in fixing grooves 16, the fixing grooves 16 are arranged on the upper surface of a fixing plate 17, the right side surfaces of two fixing rods 15 positioned on the left side are respectively provided with a clamping groove 18, a first sliding rod 19 is clamped in the clamping groove 18, the outer surface of the first sliding rod 19 is in sliding connection with a first sliding sleeve 20 and a fixing sleeve 21, the first sliding sleeve 20 is clamped on the left side surface of the inner wall of the fixing plate 17, the lower surface of the fixing sleeve 21 is fixedly connected with the lower surface of the inner wall of the fixing plate 17, the outer surface of the first sliding rod 19 is sleeved with a spring 22, two ends of the spring 22 are respectively and fixedly connected with the right side surface of the first sliding sleeve 20 and, so that the first slide bar 19 does not shake during movement, and the first slide bar 19 can be accurately clamped into the clamping groove 18.
The right end of the first slide bar 19 is fixedly connected with a roller 23, the right side surfaces of two rollers 23 positioned on the left side are respectively lapped with the left side surface of a wedge block 24, the upper surface of the wedge block 24 is fixedly connected with a second slide bar 25, the second slide bar 25 is connected in a second sliding sleeve 26 in a sliding way, by arranging the second sliding sleeve 26, as the second sliding sleeve 26 is connected with the second sliding rod 25 in a sliding way, so that the second sliding sleeve 26 can limit the second sliding rod 25, the second sliding rod 25 can drive the wedge block 24 to move stably, the top end of the second sliding rod 25 is fixedly connected with a limiting plate 27, through setting up limiting plate 27 for limiting plate 27 can carry on spacingly to second slide bar 25, makes second slide bar 25 can not shift out from second sliding sleeve 26, and limiting plate 27's lower surface and the lower surface overlap joint of diaphragm 14 inner wall, and the lower surface joint of diaphragm 14 has first magnet 29, and the upper surface joint and the second magnet 30 of voussoir 24.
Specifically, as shown in fig. 1, two bearings 10 are clamped on the outer surface of the threaded cylinder 9, the two bearings 10 are respectively clamped on the opposite surfaces of the inner wall of the shell 1, the four corners of the lower surface of the shell 1 are fixedly connected with universal wheels 7, through the arrangement of the universal wheels 7, the working personnel pushes the shell 1, so that the shell 1 drives the rollers 23 to roll on the fixed plate 17, so that the worker can conveniently move the hydraulic valve body 12 to the position to be installed, the bottom end of the universal wheel 7 is lapped with the upper surface of the fixed plate 17, the thread direction of the first threaded rod 11 is opposite to the thread direction of the second threaded rod 13, by arranging the first threaded rod 11 and the second threaded rod 13, because the thread direction of the first threaded rod 11 is opposite to that of the second threaded rod 13, a worker rotates the thread cylinder 9, so that the threaded cylinder 9 can bring the first threaded rod 11 and the second threaded rod 13 closer to each other or further away from each other.
Specifically, as shown in fig. 2, the shape of the rotary table 3 is set to be circular, the outer surface of the rotary table 3 is provided with an anti-slip sleeve, through setting the rotary table 3, the outer surface of the rotary table 3 is provided with the anti-slip sleeve, friction between a palm and the rotary table 3 is increased, so that a worker can conveniently rotate the first gear 5 through the first rotating mechanism 2, the number of the second gears 8 is set to be four, the shape of the second gear 8 is set to be conical, the number of the threaded cylinders 9 is set to be four, and the cross-sectional shapes of the threaded cylinders 9 are set to be circular.
Specifically, as shown in fig. 4, the first magnet 29 and the second magnet 30 are both circular rings, and by providing the first magnet 29, the first magnet 29 is an electromagnet, so that the first magnet 29 and the second magnet 30 are mutually matched to drive the wedge 24 to move downward.
Specifically, as shown in fig. 5, the second sliding sleeve 26 is connected to the lower surface of the horizontal plate 14 in a snap-in manner, the cross-sectional shapes of the second sliding sleeve 26 and the second sliding rod 25 are both set to be rectangular, and by setting the second sliding sleeve 26 and the second sliding rod 25, because the cross-sectional shapes of the second sliding sleeve 26 and the second sliding rod 25 are both set to be rectangular, the second sliding rod 25 cannot rotate when moving in the second sliding sleeve 26, and the second sliding rod 25 cannot drive the wedge 24 to rotate.
Specifically, as shown in fig. 6, a groove 28 is formed in the top end of the second threaded rod 13, the groove 28 is circular, the diameter of the groove 28 is larger than that of the first threaded rod 11, the first threaded rod 11 is arranged in the groove 28, and by arranging the groove 28, the first threaded rod 11 is arranged in the groove 28, so that the first threaded rod 11 and the second threaded rod 13 which are long can be connected in the threaded cylinder 9 in a threaded manner, the size range of adjustment of the hydraulic valve body 12 is large, and the applicability of the hydraulic valve device is improved.
The working principle of the invention is as follows:
s1, when the worker needs to install the hydraulic valve body 12, the worker pushes the shell 1 to enable the shell 1 to drive the rollers 23 to roll on the fixing plate 17, the hydraulic valve body 12 is moved to a position to be installed, the worker rotates the rotary table 3 to enable the rotary table 3 to drive the first gear 5 to rotate through the first rotating mechanism 2, the first gear 5 drives the four second gears 8 to rotate, the four second gears 8 drive the four threaded cylinders 9 to rotate, and the threaded cylinders 9 and the second threaded rods 13 are matched with each other to drive the transverse plate 14 to move downwards due to the fact that the bottom ends of the threaded cylinders 9 are in threaded connection with the second threaded rods 13, and the transverse plate 14 drives the fixing rods 15 to move into the fixing grooves 16;
s2, secondly, when the transverse plate 14 contacts the fixed plate 17, a worker controls the first magnet 29 to work, and because the first magnet 29 is set as an electromagnet, corresponding magnetic poles of the first magnet 29 and the second magnet 30 are the same, so that the first magnet 29 and the second magnet 30 interact to drive the wedge block 24 to move downwards, the wedge block 24 drives the second slide bar 25 to move downwards in the second sliding sleeve 26, the second slide bar 25 drives the limit plate 27 to contact the transverse plate 14, and the wedge block 24 drives the corresponding rollers 23 to move away from each other, so that the rollers 23 drive the first slide bar 19 to move in the first sliding sleeve 20 and the fixed sleeve 21 and clamp in the clamping groove 18;
s3, at last, the staff continues to rotate carousel 3, make screw cylinder 9 and second threaded rod 13 mutually support and can promote casing 1 upward movement, make screw cylinder 9, hydraulic valve body 12 upward movement can be taken in mutually supporting of first threaded rod 11 and second threaded rod 13, have first threaded rod 11 because of the top threaded connection of screw cylinder 9, make screw cylinder 9 and first threaded rod 11 mutually support and can drive hydraulic valve body 12 upward movement, make the staff can adjust the size of hydraulic valve body 12.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (10)
1. A hydraulic valve device for lifting vehicles, comprising a housing (1), characterized in that: the hydraulic control valve is characterized in that a first rotating mechanism (2) is connected to the upper surface of the shell (1) in a clamping mode, two ends of the first rotating mechanism (2) are fixedly connected with the lower surface of the rotary table (3) and the top end of the connecting rod (4) respectively, a second rotating mechanism (6) is fixedly connected to the bottom end of the connecting rod (4), the second rotating mechanism (6) is connected to the upper surface of the shell (1) in a clamping mode, a first gear (5) is connected to the outer surface of the connecting rod (4) in a clamping mode, the first gear (5) is meshed with four second gears (8), a threaded cylinder (9) is connected to the second gear (8) in a clamping mode, a first threaded rod (11) is connected to the top end of the threaded cylinder (9) in a threaded mode, and the same hydraulic valve body (12) is fixedly connected to;
the bottom end of the threaded cylinder (9) is in threaded connection with a second threaded rod (13), the bottom ends of four second threaded rods (13) are fixedly connected with a same transverse plate (14), four corners of the lower surface of the transverse plate (14) are fixedly connected with fixing rods (15), the fixing rods (15) are arranged in fixing grooves (16), the fixing grooves (16) are formed in the upper surface of a fixing plate (17), clamping grooves (18) are formed in the right side surfaces of the two fixing rods (15) on the left side, first sliding rods (19) are connected in the clamping grooves (18), first sliding sleeves (20) and fixing sleeves (21) are connected to the outer surfaces of the first sliding rods (19) in a sliding mode, the first sliding sleeves (20) are connected to the left side surface of the inner wall of the fixing plate (17) in a clamping mode, the lower surfaces of the fixing sleeves (21) are fixedly connected with the lower surface of the inner wall of the fixing plate (17), two ends of the spring (22) are respectively fixedly connected with the right side surface of the first sliding sleeve (20) and the left side surface of the fixed sleeve (21);
the right-hand member fixedly connected with gyro wheel (23) of first slide bar (19), the right flank that is located two gyro wheels (23) in the left side all with the left surface overlap joint of voussoir (24), the last fixed surface of voussoir (24) is connected with second slide bar (25), second slide bar (25) sliding connection is in second sliding sleeve (26), the top fixedly connected with limiting plate (27) of second slide bar (25), the lower surface of limiting plate (27) and the lower surface overlap joint of diaphragm (14) inner wall, the lower surface joint of diaphragm (14) has first magnet (29), the upper surface joint and second magnet (30) of voussoir (24).
2. The hydraulic valve device for vehicle lifting according to claim 1, wherein: the shape of the rotary table (3) is circular, and the outer surface of the rotary table (3) is provided with an anti-slip sleeve.
3. A hydraulic valve assembly for raising and lowering a vehicle, as defined in claim 1, wherein: the outer surface joint of a screw thread section of thick bamboo (9) has two bearings (10), and two bearings (10) joint respectively are at the opposite face of casing (1) inner wall.
4. The hydraulic valve device for vehicle lifting according to claim 1, wherein: the number of the second gears (8) is four, and the shape of the second gears (8) is a cone.
5. A hydraulic valve assembly for raising and lowering a vehicle, as defined in claim 1, wherein: the number of the thread cylinders (9) is four, and the cross section of each thread cylinder (9) is circular.
6. The hydraulic valve device for vehicle lifting according to claim 1, wherein: the four corners of the lower surface of the shell (1) are fixedly connected with universal wheels (7), and the bottom ends of the universal wheels (7) are in lap joint with the upper surface of the fixing plate (17).
7. The hydraulic valve device for vehicle lifting according to claim 1, wherein: the second sliding sleeve (26) is clamped on the lower surface of the transverse plate (14), and the cross sections of the second sliding sleeve (26) and the second sliding rod (25) are rectangular.
8. The hydraulic valve device for vehicle lifting according to claim 1, wherein: the first magnet (29) and the second magnet (30) are both in the shape of circular rings.
9. The hydraulic valve device for vehicle lifting according to claim 1, wherein: a groove (28) is formed in the top end of the second threaded rod (13), the groove (28) is circular, the diameter of the groove (28) is larger than that of the first threaded rod (11), and the first threaded rod (11) is arranged in the groove (28).
10. The hydraulic valve device for vehicle lifting according to claim 1, wherein: the thread direction of the first threaded rod (11) is opposite to that of the second threaded rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130215.7A CN112253563A (en) | 2020-10-21 | 2020-10-21 | Hydraulic valve device for vehicle lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130215.7A CN112253563A (en) | 2020-10-21 | 2020-10-21 | Hydraulic valve device for vehicle lifting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253563A true CN112253563A (en) | 2021-01-22 |
Family
ID=74264037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011130215.7A Withdrawn CN112253563A (en) | 2020-10-21 | 2020-10-21 | Hydraulic valve device for vehicle lifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112253563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738939A (en) * | 2021-08-24 | 2021-12-03 | 刘恒鑫 | Electric control hydraulic valve |
-
2020
- 2020-10-21 CN CN202011130215.7A patent/CN112253563A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738939A (en) * | 2021-08-24 | 2021-12-03 | 刘恒鑫 | Electric control hydraulic valve |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210122 |
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| WW01 | Invention patent application withdrawn after publication |