One-way hydraulic valve structure

Abstract

The utility model discloses a one-way hydraulic valve structure, belonging to the field of one-way hydraulic valves. A one-way hydraulic valve structure includes a valve body and connecting pieces fixed at both ends of the valve body, and also includes: a through hole, which is opened in the side wall of the connecting piece; a reset spring, which is fixedly connected to the side wall of the connecting piece, a pull ring is fixedly connected to the end of the reset spring away from the connecting piece, a connecting column is fixedly connected to the end of the pull ring close to the reset spring, and a fixed external piece is fixedly connected to the end of the connecting column away from the pull ring; the utility model pulls the fixed external piece slidably connected to the internal receiving groove of the connecting piece into the receiving groove by pulling the pull ring, so that the valve body can be quickly placed between pipelines, and then the pull ring is loosened to make the reset spring contract and drive the connecting column to reset the fixed external piece to seal the pipeline, thereby solving the problem that the one-way hydraulic valve cannot be effectively installed in a narrow environment, thereby affecting the sealing effect of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of one-way hydraulic valves, in particular to a one-way hydraulic valve structure. Background Art

[0002] A hydraulic valve is an automatic component operated by pressure oil. It is controlled by the pressure oil of a pressure regulating valve. It is usually used in combination with an electromagnetic pressure regulating valve. It can be used to remotely control the on / off of the oil, gas, and water pipeline systems of a hydropower station. It is often used for clamping, controlling, and lubricating oil circuits. There are direct-acting and pilot-operated types, with the pilot type being the most common. It is a component used to control liquid pressure, flow, and direction in hydraulic transmission. The one that controls pressure is called a pressure control valve, the one that controls flow is called a flow control valve, and the one that controls on / off and flow direction is called a directional control valve.

[0003] After searching, the Chinese patent authorization number CN217583292U discloses a one-way hydraulic valve structure device, including: a valve body, the valve body has a chamber, and the valve body is provided with a liquid inlet hole and a liquid outlet hole at the same side, the liquid inlet hole and the liquid outlet hole are connected to the chamber; steel ball 1 and steel ball 2, the steel ball 1 and steel ball 2 are both movably arranged in the chamber, and the steel ball 1 and steel ball 2 are used to block or open the liquid inlet hole and the liquid outlet hole respectively. The one-way hydraulic valve structure device in the above patent has the following shortcomings: in the case of a narrow environment, the one-way hydraulic valve cannot be effectively installed, thereby affecting the sealing effect of the device. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the one-way hydraulic valve cannot be effectively installed in a narrow environment, thereby affecting the sealing effect of the device, and proposes a one-way hydraulic valve structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A one-way hydraulic valve structure includes a valve body and connecting parts fixed at both ends of the valve body, and also includes: a through hole opened in the side wall of the connecting part; a reset spring fixedly connected to the side wall of the connecting part, the end of the reset spring away from the connecting part is fixedly connected to a pull ring, the end of the pull ring close to the reset spring is fixedly connected to a connecting column, and the end of the connecting column away from the pull ring is fixedly connected to a fixed outer part; a fixed inner part is arranged inside the fixed outer part.

[0007] Furthermore, a receiving groove is provided inside the connecting member, a guide block is fixedly connected to the inner wall of the receiving groove, and a sliding groove is provided on the inner wall of the receiving groove.

[0008] Furthermore, a slot is provided between the fixed inner component and the fixed outer component.

[0009] Furthermore, a guide hole is provided on the surface of the fixed outer member, and the fixed outer member is slidably connected to the accommodating groove along the guide block through the guide hole.

[0010] Furthermore, the inner wall of the fixed outer component is fixedly connected with a sealing outer ring, the outer wall of the fixed inner component is fixedly connected with a sealing inner ring, and the inner wall of the fixed inner component is fixedly connected with a sliding strip corresponding to the sliding groove.

[0011] Furthermore, a rotation groove is opened inside the fixed outer part, the outer wall of the fixed inner part is threadedly connected to the limiting inner tube, the outer wall of the limiting inner tube is fixedly connected to a connecting block, and the end of the connecting block away from the limiting inner tube is fixedly connected to the limiting outer tube.

[0012] Furthermore, the limiting inner tube is threadedly connected to the fixed inner component, and one end of the limiting inner tube close to the valve body is fixedly connected to a guide strip.

[0013] Furthermore, an arc groove is provided inside the valve body, a rotating block is slidably connected inside the arc groove, a guide groove corresponding to the guide bar is provided at one end of the rotating block close to the connecting piece, and the guide groove is slidably connected to the guide bar.

[0014] Furthermore, a limiting groove is provided at one end of the connecting piece close to the valve body, a sleeve is rotatably connected to the outer wall of the valve body, a connecting spring is fixedly connected to the end of the sleeve close to the connecting piece, a limiting column corresponding to the limiting groove is fixedly connected to the end of the connecting spring away from the inner wall of the sleeve, and a pull block is fixedly connected to the outer wall of the limiting column.

[0015] Compared with the prior art, the utility model provides a one-way hydraulic valve structure, which has the following beneficial effects:

[0016] 1. The one-way hydraulic valve structure can quickly place the valve body between pipes by pulling the pull ring to pull the fixed outer part that is slidably connected to the internal receiving groove of the connecting part into the receiving groove, and then release the pull ring to make the reset spring contract to drive the connecting column to reset the fixed outer part to seal the pipe, thereby solving the problem that the one-way hydraulic valve cannot be effectively installed in a narrow environment, thereby affecting the sealing effect of the device.

[0017] 2. The one-way hydraulic valve structure releases the limit by pulling the pull block to make the limit column slide out of the limit groove, and then rotates the sleeve to drive the rotating block to rotate, thereby driving the limit inner tube to rotate through the guide bar, and then drives the limit inner tube and the limit outer tube to slide at the same time to squeeze the sealing outer ring and the sealing inner ring, thereby further improving the sealing effect.

[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional schematic diagram of the one-way hydraulic valve structure proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the front view of a one-way hydraulic valve structure body proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the main view of a one-way hydraulic valve structure casing proposed by the utility model;

[0022] Figure 4 This is a structural schematic diagram of a one-way hydraulic valve structure pull block part proposed by the utility model;

[0023] Figure 5 This is a structural schematic diagram of the arc groove portion of a one-way hydraulic valve structure proposed by the utility model;

[0024] Figure 6 This is a structural schematic diagram of the fixed external parts of a one-way hydraulic valve structure proposed by the utility model;

[0025] Figure 7 This is a schematic structural diagram of a cross-section of a fixed external part of a one-way hydraulic valve structure proposed by the utility model;

[0026] Figure 8 This is a schematic structural diagram of a cross-sectional view of a one-way hydraulic valve structure body proposed by the utility model;

[0027] Fig. 9 A one-way hydraulic valve structure proposed by the utility model Figure 8 A schematic diagram of the structure of area A;

[0028] Fig.10 This is a structural schematic diagram of the inner pipe portion of a one-way hydraulic valve structure limiter proposed by the utility model;

[0029] Fig.11 The utility model is a structural schematic diagram of a one-way hydraulic valve structure connecting part.

[0030] In the figure: 1. valve body; 2. connecting part; 201. accommodating groove; 202. guide block; 203. through hole; 3. limiting groove; 4. reset spring; 5. pull ring; 6. connecting column; 7. fixed outer part; 701. fixed inner part; 702. sealing outer ring; 703. sealing inner ring; 8. clamping groove; 9. arc groove; 10. rotating groove; 11. sliding groove; 12. sleeve; 13. rotating block; 14. guide groove; 15. connecting spring; 16. limiting column; 17. pull block; 18. guide hole; 19. limiting inner tube; 20. connecting block; 21. limiting outer tube; 22. guide strip; 23. sliding strip. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0032] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0033] Reference Figure 1-Figure 11 , a one-way hydraulic valve structure, including a valve body 1 and a connecting piece 2 fixed at both ends of the valve body 1, and also including: a through hole 203 opened on the side wall of the connecting piece 2, a return spring 4 is fixedly connected to the side wall of the connecting piece 2, a pull ring 5 is fixedly connected to the end of the return spring 4 away from the connecting piece 2, a connecting column 6 is fixedly connected to the end of the pull ring 5 close to the return spring 4, a fixed outer piece 7 is fixedly connected to the end of the connecting column 6 away from the pull ring 5, and a fixed inner piece 701 is arranged inside the fixed outer piece 7. By pulling the pull ring 5 to pull the fixed outer piece 7 slidingly connected to the internal receiving groove 201 of the connecting piece 2 into the receiving groove 201, the valve body 1 can be quickly placed between the pipelines, and then the pull ring 5 is released to make the return spring 4 contract and drive the connecting column 6 to reset the fixed outer piece 7 to seal the pipeline, thereby solving the problem that the one-way hydraulic valve cannot be effectively installed in a narrow environment, thereby affecting the sealing effect of the device.

[0034] An accommodating groove 201 is provided inside the connecting member 2 , a guide block 202 is fixedly connected to the inner wall of the accommodating groove 201 , and a sliding groove 11 is provided on the inner wall of the accommodating groove 201 .

[0035] A clamping groove 8 is provided between the fixed inner part 701 and the fixed outer part 7 , and the pipeline is installed and sealed through the clamping groove 8 .

[0036] A guide hole 18 is provided on the surface of the fixed outer member 7 , and the fixed outer member 7 is slidably connected with the receiving groove 201 along the guide block 202 through the guide hole 18 , so that the sliding of the fixed outer member 7 and the fixed inner member 701 is more stable.

[0037] The inner wall of the fixed outer member 7 is fixedly connected with a sealing outer ring 702 , the outer wall of the fixed inner member 701 is fixedly connected with a sealing inner ring 703 , and the inner wall of the fixed inner member 701 is fixedly connected with a slide bar 23 corresponding to the slide groove 11 .

[0038] A rotating groove 10 is provided inside the fixed outer part 7, and the outer wall of the fixed inner part 701 is threadedly connected to the limiting inner tube 19. The outer wall of the limiting inner tube 19 is fixedly connected to a connecting block 20, and the end of the connecting block 20 away from the limiting inner tube 19 is fixedly connected to the limiting outer tube 21. The rotation of the limiting inner tube 19 can drive the limiting outer tube 21 to squeeze the sealing inner ring 703 and the sealing outer ring 702 at the same time, thereby further enhancing the sealing effect.

[0039] The limiting inner tube 19 is threadedly connected to the fixed inner part 701 , and one end of the limiting inner tube 19 close to the valve body 1 is fixedly connected with a guide strip 22 .

[0040] An arc groove 9 is provided inside the valve body 1, and a rotating block 13 is slidably connected inside the arc groove 9. A guide groove 14 corresponding to the guide strip 22 is provided at one end of the rotating block 13 close to the connecting piece 2. The guide groove 14 is slidably connected to the guide strip 22, and the linkage between the rotating block 13 and the limiting inner tube 19 is realized through the guide strip 22.

[0041] A limiting groove 3 is provided at one end of the connecting piece 2 close to the valve body 1, and a sleeve 12 is rotatably connected to the outer wall of the valve body 1. A connecting spring 15 is fixedly connected to the inner side of the sleeve 12 close to the connecting piece 2, and a limiting column 16 corresponding to the limiting groove 3 is fixedly connected to the end of the connecting spring 15 away from the inner wall of the sleeve 12. A pull block 17 is fixedly connected to the outer wall of the limiting column 16, and the limit of the sleeve 12 and the connecting piece 2 is controlled by the pull block 17.

[0042] In the utility model, by pulling the pull ring 5, the fixed outer member 7 that is slidably connected to the internal receiving groove 201 of the connecting member 2 is pulled into the receiving groove 201, so that the valve body 1 can be quickly placed between the pipes, and then the pull ring 5 is loosened to allow the reset spring 4 to contract and drive the connecting column 6 to reset the fixed outer member 7 to seal the pipe, thereby solving the problem that the one-way hydraulic valve cannot be effectively installed in a narrow environment, thereby affecting the sealing effect of the device. By pulling the pull block 17, the limit column 16 slides out of the limit groove 3 to release the limit, and then the sleeve 12 is rotated to drive the rotating block 13 to rotate. Since the guide bar 22 is slidably connected to the guide groove 14, the limit inner tube 19 is driven to rotate through the guide bar 22. The limit inner tube 19 is threadedly connected to the fixed inner member 701, and can simultaneously drive the limit inner tube 19 and the limit outer tube 21 to slide to squeeze the sealing outer ring 702 and the sealing inner ring 703, thereby further improving the sealing effect.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A one-way hydraulic valve structure, comprising a valve body (1) and connecting members (2) fixed at both ends of the valve body (1), characterized in that: Also includes: A through hole (203) is provided on a side wall of the connecting member (2); A return spring (4) is fixedly connected to the side wall of the connecting member (2); an end of the return spring (4) away from the connecting member (2) is fixedly connected to a pull ring (5); an end of the pull ring (5) close to the return spring (4) is fixedly connected to a connecting column (6); an end of the connecting column (6) away from the pull ring (5) is fixedly connected to a fixed external member (7); The fixed inner part (701) is arranged inside the fixed outer part (7).

2. A one-way hydraulic valve structure according to claim 1, characterized in that: The connecting member (2) is provided with a receiving groove (201) inside, the inner wall of the receiving groove (201) is fixedly connected with a guide block (202), and the inner wall of the receiving groove (201) is provided with a sliding groove (11).

3. A one-way hydraulic valve structure according to claim 1, characterized in that: A clamping groove (8) is provided between the fixed inner part (701) and the fixed outer part (7).

4. A one-way hydraulic valve structure according to claim 3, characterized in that: A guide hole (18) is provided on the surface of the fixed outer member (7), and the fixed outer member (7) is slidably connected to the accommodating groove (201) along the guide block (202) through the guide hole (18).

5. A one-way hydraulic valve structure according to claim 1, characterized in that: The inner wall of the fixed outer component (7) is fixedly connected to a sealing outer ring (702), the outer wall of the fixed inner component (701) is fixedly connected to a sealing inner ring (703), and the inner wall of the fixed inner component (701) is fixedly connected to a sliding strip (23) corresponding to the sliding groove (11).

6. A one-way hydraulic valve structure according to claim 1, characterized in that: A rotation groove (10) is provided inside the fixed outer component (7); the outer wall of the fixed inner component (701) is threadedly connected to the limiting inner tube (19); the outer wall of the limiting inner tube (19) is fixedly connected to a connecting block (20); and one end of the connecting block (20) away from the limiting inner tube (19) is fixedly connected to the limiting outer tube (21).

7. A one-way hydraulic valve structure according to claim 6, characterized in that: The limiting inner tube (19) is threadedly connected to the fixed inner component (701), and one end of the limiting inner tube (19) close to the valve body (1) is fixedly connected to a guide strip (22).

8. A one-way hydraulic valve structure according to claim 1, characterized in that: An arc groove (9) is provided inside the valve body (1), a rotating block (13) is slidably connected inside the arc groove (9), a guide groove (14) corresponding to the guide strip (22) is provided at one end of the rotating block (13) close to the connecting piece (2), and the guide groove (14) is slidably connected to the guide strip (22).

9. The one-way hydraulic valve structure according to claim 1, characterized in that: A limiting groove (3) is provided at one end of the connecting piece (2) close to the valve body (1); a sleeve (12) is rotatably connected to the outer wall of the valve body (1); a connecting spring (15) is fixedly connected to the inner side of the sleeve (12) close to the connecting piece (2); an end of the connecting spring (15) away from the inner wall of the sleeve (12) is fixedly connected to a limiting column (16) corresponding to the limiting groove (3); and a pull block (17) is fixedly connected to the outer wall of the limiting column (16).

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