CN112253564A

CN112253564A - Manual hydraulic valve

Info

Publication number: CN112253564A
Application number: CN202011130219.5A
Authority: CN
Inventors: 刘改
Original assignee: Hangzhou Youyuan Trading Co ltd
Current assignee: Hangzhou Youyuan Trading Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-01-22

Abstract

The invention belongs to the technical field of hydraulic valves, and discloses a manual hydraulic valve which comprises a shell, wherein one end of the shell is provided with a first cover plate, the other end of the shell is provided with a second cover plate, a valve core is arranged in the shell, one end of the valve core is elastically connected with one end of a spring, a valve plate is arranged between the first fixture block and the second fixture block by arranging a first fixture block and a second fixture block, a threaded rod is rotated by a handle, the threaded rod rotates to drive a slide block to move to one side, the slide block drives the second fixture block to be close to one side of the valve plate, the handle is continuously rotated, the valve plate is clamped by the first fixture block and the second fixture block, the valve plate is fixed, when the valve plate is disassembled, the handle rotates to drive the slide block to move to one side by the threaded rod, the slide block drives the second fixture block to be, the installation and maintenance are more convenient and the efficiency is higher.

Description

Manual hydraulic valve

Technical Field

The invention belongs to the technical field of hydraulic valves, and particularly relates to a manual hydraulic valve.

Background

Hydraulic is a term used in the mechanical and electromechanical industries. The hydraulic pressure can be in a power transmission mode and becomes hydraulic transmission. The use of hydraulic pressure as a control means is also called hydraulic control. The hydraulic transmission uses liquid as a working medium and utilizes the pressure energy of the liquid to transmit power. The hydraulic control is a control in which a pressure fluid is transmitted as a control signal. Control systems that are designed with hydraulic technology are referred to as hydraulic control systems. The hydraulic control generally includes hydraulic open-loop control and hydraulic closed-loop control. The hydraulic closed-loop control is also called hydraulic servo control, and it constitutes a hydraulic servo system, usually including an electro-hydraulic servo system and a mechanical-hydraulic servo system.

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is often used for oil circuits for clamping, controlling and lubricating. The direct-acting type and the pilot type are divided into a multi-purpose pilot type. Manual hydraulic valve in the existing market is generally installed and fixed through bolts, and is installed and maintained through threads, so that installation and maintenance are complicated, and efficiency is low.

Disclosure of Invention

The invention aims to provide a manual hydraulic valve to solve the problems of complex installation and maintenance and low efficiency due to threaded installation.

In order to achieve the purpose, the invention provides the following technical scheme: the manual hydraulic valve comprises a shell, wherein one end of the shell is provided with a first cover plate, the other end of the shell is provided with a second cover plate, a valve core is arranged in the shell, one end of the valve core is elastically connected with one end of a spring, the other end of the spring is elastically connected with the inner wall of the second cover plate, the other end of the valve core penetrates through the first cover plate and extends to one side of the first cover plate, the other end of the valve core is movably connected with one end of a handle through a first movable pin, the outer wall of the handle is movably connected with one end of a movable rod through a second movable pin, the other end of the movable rod is movably connected with the outer wall of the first cover plate through a third movable pin, the shell is fixedly installed on the upper surface wall of a valve plate through a fixing bolt, a first oil port, a second oil port, a third oil port and a fourth oil port are sequentially formed in the lower surface wall, The valve plate is located on the upper surface wall of the base plate, one side of the valve plate is in lap joint with the first clamping block, and the second clamping block on the other side of the valve plate is in lap joint with the second clamping block.

Preferably, the upper surface wall of the valve plate is provided with seal grooves corresponding to the first oil hole, the second oil hole, the third oil hole and the fourth oil hole, and seal rings are arranged in the seal grooves.

Preferably, the manual hydraulic valve of the present invention is characterized in that an outer wall of the housing is provided with a mounting groove, and an upper surface wall of the mounting groove is provided with a mounting hole.

Preferably, the manual hydraulic valve is provided with four mounting grooves, the four mounting grooves are respectively positioned on two sides of the outer surface wall of the shell, and threaded holes are formed in the positions, corresponding to the mounting grooves, of the upper surface wall of the valve plate.

Preferably, the lower surface wall of the second clamping block is fixedly connected with the upper surface wall of the sliding block, the sliding block is arranged in a sliding groove, the sliding groove is formed in the upper surface wall of the bottom plate, a bearing is clamped on one side of the sliding block, a threaded rod is sleeved in the bearing, the other end of the threaded rod penetrates through one side of the bottom plate and is connected with the handle, the sliding groove is a T-shaped sliding groove, and the sliding block is a T-shaped sliding block.

Preferably, as the manual hydraulic valve, a handle sleeve is arranged at one end of the handle, which is far away from the first movable pin, and the top of the handle sleeve is hemispherical.

Preferably, the manual hydraulic valve of the present invention is characterized in that the upper surface wall of the base plate is provided with four fixing holes, and the four fixing holes are respectively located at four corners of the upper surface wall of the base plate.

Preferably, the first fixture block and the second fixture block have the same structure, and both the first fixture block and the second fixture block are L-shaped.

Preferably, as the manual hydraulic valve of the present invention, the first oil hole is communicated with a first oil inlet at one side of the valve plate, the second oil hole is communicated with a first oil outlet at the other side of the valve plate, the third oil hole is communicated with a second oil inlet at one side of the valve plate, and the fourth oil hole is communicated with a second oil outlet at the other side of the valve plate.

Preferably, as the manual hydraulic valve of the present invention, the first oil inlet and the second oil inlet on one side of the valve plate and the first oil outlet and the second oil outlet on the other side of the valve plate are both provided with a conversion interface.

Compared with the prior art, the invention has the following beneficial effects:

(1) according to the valve plate, the first clamping block and the second clamping block are arranged, the valve plate is located between the first clamping block and the second clamping block, the threaded rod is rotated through the handle, the threaded rod rotates to drive the sliding block to move to one side, the sliding block drives the second clamping block to be close to one side of the valve plate, the handle continues to rotate, the valve plate is clamped through the first clamping block and the second clamping block, the valve plate is fixed, when the valve plate is disassembled, the handle rotates to drive the sliding block to move to one side through the threaded rod, the sliding block drives the second clamping block to be far away from the valve plate, the valve plate can be taken down after the first clamping block and the second clamping block loosen the valve plate.

(2) According to the hydraulic valve, the sealing rings are arranged at the first oil port, the second oil port, the third oil port and the fourth oil port, the shell is fixed with the valve plate through the fixing bolts, the fixing bolts are screwed, the sealing rings are extruded through the shell and the valve plate, and the joints of the valve plate and the first oil port, the second oil port, the third oil port and the fourth oil port are sealed, so that the sealing performance between the hydraulic valve body and the valve plate is guaranteed.

(3) According to the invention, the handle is arranged and pulled to one side, the handle rotates through the first movable pin to pull the movable rod to move upwards, the second movable pin and the third movable pin rotate to pull the valve core to move to one side through the movable rod, hydraulic oil flows into the shell through the first oil inlet, the hydraulic oil flowing into the shell from the first oil inlet flows out through the first oil outlet and flows into the shell through the second oil inlet, the hydraulic oil flowing into the shell from the second oil inlet flows out through the second oil outlet, the handle is released, the valve core is pulled to move to one side by the spring, the valve core blocks the first oil outlet and the second oil outlet, and the valve core is pulled to reset through the elasticity of the spring, so that the valve core can normally work.

Drawings

FIG. 1 is a schematic diagram of a manual hydraulic valve according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a top view of a manual hydraulic valve according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a manual hydraulic valve base plate according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a valve plate of a manual hydraulic valve according to an embodiment of the present invention;

FIG. 5 is a schematic side-sectional view of a manual hydraulic valve housing provided in accordance with an embodiment of the present invention;

FIG. 6 is a schematic diagram of a manual hydraulic valve housing according to an embodiment of the present invention.

In the figure: 1. covering the handlebar; 2. fixing the bolt; 3. a first oil inlet; 4. a first clamping block; 5. a fixing hole; 6. a second oil inlet; 7. mounting grooves; 8. a second cover plate; 9. a housing; 10. a second oil outlet; 11. a threaded rod; 12. a chute; 13. a second fixture block; 14. a first oil outlet; 15. a valve plate; 16. a base plate; 17. converting an interface; 18. a first movable pin; 19. a second movable pin; 20. a third movable pin; 21. a movable rod; 22. a handle; 23. a slider; 24. a handle; 25. a bearing; 26. a second oil hole; 27. a third oil hole; 28. a sealing groove; 29. a fourth oil hole; 30. a seal ring; 31. a first oil hole; 32. a threaded hole; 33. mounting holes; 34. a first oil port; 35. a second oil port; 36. a third oil port; 37. a fourth oil port; 38. a spring; 39. a first cover plate; 40. a valve core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, the manual hydraulic valve includes a housing 9, a first cover plate 39 is disposed at one end of the housing 9, a second cover plate 8 is disposed at the other end of the housing 9, a valve core 40 is disposed in the housing 9, one end of the valve core 40 is elastically connected to one end of a spring 38, the other end of the spring 38 is elastically connected to an inner wall of the second cover plate 8, a handle 22 is released, the spring 38 pulls the valve core 40 to move to one side, the valve core 40 blocks the first oil outlet 14 and the second oil outlet 10, the valve core 40 is pulled to reset by elasticity of the spring 38, the other end of the valve core 40 penetrates through the first cover plate 39 and extends to one side of the first cover plate 39, the other end of the valve core 40 is movably connected to one end of the handle 22 by a first movable pin 18, an outer wall of the handle 22 is movably connected to one end of a movable rod 21 by a second movable, the top of the handle sleeve 1 is hemispherical, which is smoother and not easy to hurt people, the other end of the movable rod 21 is movably connected with the outer surface wall of the first cover plate 39 through the third movable pin 20, the handle 22 is pulled to one side, the handle 22 rotates through the first movable pin 18 to pull the movable rod 21 to move upwards, the second movable pin 19 and the third movable pin 20 rotate to pull the valve core 40 to move to one side through the movable rod 21, hydraulic oil flows into the shell 9 through the first oil inlet 3, hydraulic oil flowing into the shell 9 from the first oil inlet 3 flows out through the first oil outlet 14, hydraulic oil flowing into the shell 9 through the second oil inlet 6 flows out through the second oil outlet 10, the outer surface wall of the shell 9 is provided with mounting grooves 7, the number of the mounting grooves 7 is four, the four mounting grooves 7 are respectively located on two sides of the outer surface wall of the shell 9, threaded holes 32 are formed in the positions, corresponding to the mounting grooves 7, on the upper surface wall of the valve plate 15, the upper surface wall of the mounting groove 7 is provided with a mounting hole 33, the housing 9 is fixedly mounted with the upper surface wall of the valve plate 15 by the fixing bolt 2, the lower surface wall of the housing 9 is sequentially provided with a first oil port 34, a second oil port 35, a third oil port 36 and a fourth oil port 37, the valve plate 15 is sequentially provided with a first oil hole 31, a second oil hole 26, a third oil hole 27 and a fourth oil hole 29 at positions corresponding to the first oil port 34, the second oil port 35, the third oil port 36 and the fourth oil port 37, the upper surface wall of the valve plate 15 is provided with seal grooves 28 at positions corresponding to the first oil hole 31, the second oil hole 26, the third oil hole 27 and the fourth oil hole 29, seal rings 30 are arranged in the seal grooves 28, the seal rings 30 are positioned at the first oil port 34, the second oil port 35, the third oil port 36 and the fourth oil port 37, the fixing bolt 2 is screwed, the sealing ring 30 is extruded through the shell 9 and the valve plate 15, the joints of the valve plate 15 and the first oil port 34, the second oil port 35, the third oil port 36 and the fourth oil port 37 are sealed, the first oil hole 31 is communicated with the first oil inlet 3 on one side of the valve plate 15, the second oil hole 26 is communicated with the first oil outlet 14 on the other side of the valve plate 15, the third oil hole 27 is communicated with the second oil inlet 6 on one side of the valve plate 15, the fourth oil hole 29 is communicated with the second oil outlet 10 on the other side of the valve plate 15, the first oil inlet 3 and the second oil inlet 6 on one side of the valve plate 15 and the first oil outlet 14 and the second oil outlet 10 on the other side of the valve plate 15 are both provided with conversion interfaces 17, the valve plate 15 is connected with a hydraulic oil pipe by the conversion interfaces 17, the valve plate 15 is positioned on the upper surface wall of the bottom plate 16, one side of the, the valve plate 15 is positioned between the first fixture block 4 and the second fixture block 13, the threaded rod 11 is rotated by the handle 24, the threaded rod 11 rotates to drive the sliding block 23 to move to one side, the sliding block 23 drives the second fixture block 13 to approach one side of the valve plate 15, the handle 24 is continuously rotated, the valve plate 15 is clamped by the first fixture block 4 and the second fixture block 13, the first fixture block 4 and the second fixture block 13 are identical in structure, the first fixture block 4 and the second fixture block 13 are both L-shaped, so that the valve plate 15 can be fixed by the first fixture block 4 and the second fixture block 13, the lower surface wall of the second fixture block 13 is fixedly connected with the upper surface wall of the sliding block 23, the sliding block 23 is arranged in the sliding groove 12, the sliding groove 12 is arranged on the upper surface wall of the bottom plate 16, the sliding groove 12 is a T-shaped sliding groove, the sliding block 23 is a T-shaped sliding block, the sliding block 23 is more stable when sliding in the sliding groove, threaded rod 11 is equipped with to the bearing 25 endotheca, and threaded rod 11's the other end runs through one side of bottom plate 16 and is connected with handle 24, and fixed orifices 5 have been seted up to the last wall of bottom plate 16, and the quantity of fixed orifices 5 is four, can fix bottom plate 16 through fixed orifices 5, and four fixed orifices 5 are located the four corners department of bottom plate 16 top surface wall respectively.

The working principle and the using process of the invention are as follows: when the valve is used, the handle 22 is pulled to one side, the handle 22 rotates through the first movable pin 18 to pull the movable rod 21 to move upwards, the second movable pin 19 and the third movable pin 20 rotate through the movable rod 21 to pull the valve core 40 to move to one side, hydraulic oil flows into the shell 9 through the first oil inlet 3, hydraulic oil flowing into the shell 9 from the first oil inlet 3 flows out through the first oil outlet 14 and flows into the shell 9 through the second oil inlet 6, hydraulic oil flowing into the shell 9 from the second oil inlet 6 flows out through the second oil outlet 10, the handle 22 is loosened, the valve core 40 is pulled by the spring 38 to move to one side, the valve core 40 blocks the first oil outlet 14 and the second oil outlet 10, the valve core 40 is pulled to reset through the elasticity of the spring 38, the sealing rings 30 are positioned at the first oil port 34, the second oil port 35, the third oil port 36 and the fourth oil port 37, the shell 9 is fixed with the valve plate 15 through the fixing, the fixing bolt 2 is screwed, the sealing ring 30 is extruded through the shell 9 and the valve plate 15, the joints of the valve plate 15 and the first oil port 34, the second oil port 35, the third oil port 36 and the fourth oil port 37 are sealed, the valve plate 15 is located between the first fixture block 4 and the second fixture block 13, the threaded rod 11 is rotated through the handle 24, the threaded rod 11 rotates to drive the sliding block 23 to move to one side, the sliding block 23 drives the second fixture block 13 to be close to one side of the valve plate 15, the handle 24 is continuously rotated, the valve plate 15 is clamped through the first fixture block 4 and the second fixture block 13, the valve plate 15 is fixed, when the valve plate 15 is disassembled, the handle 24 is rotated, the sliding block 23 is driven by the threaded rod 11 to move to one side, the sliding block 23 drives the second fixture block 13 to be away from the valve plate 15, the valve plate 15 is loosened through.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. Manual hydraulic valve, including casing (9), its characterized in that: a first cover plate (39) is arranged at one end of the shell (9), a second cover plate (8) is arranged at the other end of the shell (9), a valve core (40) is arranged in the shell (9), one end of the valve core (40) is elastically connected with one end of a spring (38), the other end of the spring (38) is elastically connected with the inner wall of the second cover plate (8), the other end of the valve core (40) penetrates through the first cover plate (39) and extends to one side of the first cover plate (39), the other end of the valve core (40) is movably connected with one end of a handle (22) through a first movable pin (18), the outer wall of the handle (22) is movably connected with one end of a movable rod (21) through a second movable pin (19), the other end of the movable rod (21) is movably connected with the outer wall of the first cover plate (39) through a third movable pin (20), and the shell (9) is fixedly installed with the upper surface wall of the valve plate (15) through a fixing bolt (2), the lower surface wall of the shell (9) is sequentially provided with a first oil port (34), a second oil port (35), a third oil port (36) and a fourth oil port (37), the valve plate (15) is sequentially provided with a first oil hole (31), a second oil hole (26), a third oil hole (27) and a fourth oil hole (29) at positions corresponding to the first oil port (34), the second oil port (35), the third oil port (36) and the fourth oil port (37), the valve plate (15) is located on the upper surface wall of the base plate (16), one side of the valve plate (15) is in lap joint with the first clamping block (4), and the other side of the valve plate (15) is in lap joint with the second clamping block (13).

2. The manual hydraulic valve of claim 1, wherein: the upper surface wall of valve plate (15) corresponds first oilhole (31), second oilhole (26), third oilhole (27) and fourth oilhole (29) the position all seted up seal groove (28), all be provided with sealing washer (30) in seal groove (28).

3. The manual hydraulic valve of claim 1, wherein: the outer wall of the shell (9) is provided with a mounting groove (7), and a mounting hole (33) is formed in the upper wall of the mounting groove (7).

4. The manual hydraulic valve of claim 3, wherein: the quantity of mounting groove (7) is four, and four mounting grooves (7) are located the both sides of casing (9) outer table wall respectively, threaded hole (32) have all been seted up to the position that the upper surface wall of valve plate (15) corresponds mounting groove (7).

5. The manual hydraulic valve of claim 1, wherein: the lower surface wall of the second clamping block (13) is fixedly connected with the upper surface wall of the sliding block (23), the sliding block (23) is arranged in the sliding groove (12), the sliding groove (12) is formed in the upper surface wall of the bottom plate (16), the sliding groove (12) is a T-shaped sliding groove, and the sliding block (23) is a T-shaped sliding block.

6. The manual hydraulic valve of claim 1, wherein: one end of the handle (22) far away from the first movable pin (18) is provided with a handle sleeve (1), and the top of the handle sleeve (1) is hemispherical.

7. The manual hydraulic valve of claim 1, wherein: the upper surface wall of bottom plate (16) has seted up fixed orifices (5), the quantity of fixed orifices (5) is four, and four fixed orifices (5) are located the four corners department of bottom plate (16) upper surface wall respectively.

8. The manual hydraulic valve of claim 1, wherein: the first fixture block (4) and the second fixture block (13) are identical in structure, and the first fixture block (4) and the second fixture block (13) are L-shaped.

9. The manual hydraulic valve of claim 1, wherein: the first oil hole (31) is communicated with a first oil inlet (3) at one side of the valve plate (15), the second oil hole (26) is communicated with a first oil outlet (14) at the other side of the valve plate (15), the third oil hole (27) is communicated with a second oil inlet (6) at one side of the valve plate (15), and the fourth oil hole (29) is communicated with a second oil outlet (10) at the other side of the valve plate (15).

10. The manual hydraulic valve of claim 8, wherein: the first oil inlet (3) and the second oil inlet (6) on one side of the valve plate (15) and the first oil outlet (14) and the second oil outlet (10) on the other side of the valve plate (15) are both provided with conversion interfaces (17).