CN218325545U - Hydraulic control one-way valve - Google Patents
Hydraulic control one-way valve Download PDFInfo
- Publication number
- CN218325545U CN218325545U CN202222663911.5U CN202222663911U CN218325545U CN 218325545 U CN218325545 U CN 218325545U CN 202222663911 U CN202222663911 U CN 202222663911U CN 218325545 U CN218325545 U CN 218325545U
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- Prior art keywords
- check valve
- valve body
- wall
- threaded rod
- fixedly connected
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- 238000007789 sealing Methods 0.000 claims abstract description 41
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000010030 laminating Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 13
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model discloses a liquid accuse check valve relates to liquid accuse check valve technical field, including the check valve body, the inner wall laminating of check valve body is connected with the case, one side laminating of case is connected with the regulation core, the inner wall fixedly connected with compression spring of regulation core, one side fixedly connected with connecting block of compression spring, the sealed piece of outer wall fixedly connected with of connecting block, the first threaded rod of the outer wall fixedly connected with of sealed piece, the laminating of sealed piece outer wall is connected with first sealing washer, check valve body threaded connection has the second threaded rod, second threaded rod threaded connection has the open-close board, the outer wall laminating of open-close board is connected with the second sealing washer. The utility model discloses a reached and made the device sealed effectual, will seal the piece through the use of first threaded rod and install the check valve body, can seal the junction of the check valve body of block through first sealing washer, reached and made the inseparable effect of device installation.
Description
Technical Field
The utility model relates to a liquid accuse check valve technical field, concretely relates to liquid accuse check valve.
Background
The pilot operated check valve is a valve which can make the check valve reversely flow by controlling the pressure of fluid. The valve plays a more important role in the hydraulic support equipment of the coal mine machinery. The hydraulic control one-way valve is different from a common one-way valve in that a control oil way is added, when the control oil way is not communicated with pressure oil, the hydraulic control one-way valve works like the common one-way valve, and the pressure oil only flows to an oil outlet from an oil inlet and cannot reversely flow. When control pressure is input into the control oil path, the piston ejector rod moves rightwards under the action of pressure oil, and the ejector rod is used for ejecting the one-way valve to connect the oil inlet and the oil outlet. If the oil outlet is larger than the oil inlet, the oil can flow reversely.
For example, chinese patent publication No. CN203161693U discloses the following technical solutions: the hydraulic control one-way valve comprises a valve body, a valve core assembly and a control piston: the valve core assembly is of an integral assembly structure, the structure of the valve core assembly is of a split type, a small clearance fit is formed between the valve seat and the valve sleeve of the internal structure, and the valve sleeve is positioned and connected through the positioning screw to prevent the valve sleeve from sliding and falling off. The structure device mainly improves the coaxiality of the connected valve core and the valve sleeve, can be slightly adjusted, and reduces the phenomena of blocking and the like caused by the installation of the valve body. Simple structure and convenient installation.
The following problems exist in the prior art:
1. in the prior art, most of hydraulic control one-way valves are inconvenient to seal a device in the use process, the phenomenon of leakage of the device can be caused, and the requirements of users cannot be met;
2. the hydraulic control one-way valve in the prior art is inconvenient for the device installation to be tight and the liquid pumping to be used in the using process, and reduces the using effect of the device to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic control check valve to solve the problem of proposing among the above-mentioned background art.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a hydraulic control one-way valve comprises a one-way valve body, wherein a valve core is attached and connected to the inner wall of the one-way valve body, an adjusting core is attached and connected to one side of the valve core, and a compression spring is fixedly connected to the inner wall of the adjusting core;
one side of the compression spring is fixedly connected with a connecting block, the outer wall of the connecting block is fixedly connected with a sealing block, and the outer wall of the sealing block is fixedly connected with a first threaded rod;
the laminating of sealed piece outer wall is connected with first sealing washer, check valve body threaded connection has the second threaded rod, second threaded rod threaded connection has the open-close board, the outer wall laminating of open-close board is connected with the second sealing washer.
The utility model discloses technical scheme's further improvement lies in: the outer wall bearing of check valve body is connected with the pivot, the outer wall fixedly connected with grip block of pivot, hydraulic pressure pipeline has been seted up to one side of check valve body, hydraulic pressure pipeline's inner wall threaded connection has the hydraulic pressure pipe, first passageway has been seted up to one side of check valve body, first passageway threaded connection has first inlet tube, the second passageway has been seted up to one side of check valve body, second passageway threaded connection has the second inlet tube.
By adopting the technical scheme, the structure in the scheme achieves the effect of tight installation of the device.
The utility model discloses technical scheme's further improvement lies in: the clamping plates are positioned on two sides of the hydraulic pipe, and the clamping plates are clamped with the hydraulic pipe.
By adopting the technical scheme, the structure in the scheme can ensure that the device can be tightly installed.
The utility model discloses technical scheme's further improvement lies in: the valve core and the one-way valve body are mutually attached, and the inner diameter of the valve core is equal to the width of the inside of the one-way valve body.
By adopting the technical scheme, the structure in the scheme can enable the device to inject hydraulic oil to drive the valve core.
The utility model discloses technical scheme's further improvement lies in: the inner diameter of the first sealing ring is larger than the diameter of the sealing block, and the first sealing ring is tightly attached to the sealing block.
By adopting the technical scheme, the sealing effect of the device can be better by the structure in the scheme.
The utility model discloses technical scheme's further improvement lies in: the quantity of first threaded rod is four, just two liang of first threaded rod are along the perpendicular bisector of sealed piece mutual symmetry.
By adopting the technical scheme, the structure in the scheme can facilitate the disassembly and the assembly of the device.
The utility model discloses technical scheme's further improvement lies in: the first threaded rod transversely penetrates through the sealing block and extends to one side of the one-way valve body.
By adopting the technical scheme, the structure in the scheme can facilitate the installation of the device.
Since the technical scheme is used, the utility model discloses relative prior art, the technological progress who gains is:
1. the utility model provides a liquid control check valve adopts the check valve body, a valve core, adjust the core, compression spring, the connecting block, sealed piece, first threaded rod, first sealing washer, the second threaded rod, mutually supporting of open-close plate and second sealing washer, it is sealed effectual to have reached to make the device, will seal the piece through the use of first threaded rod and install the check valve body, can seal the junction of sealed piece and check valve body through first sealing washer, improve the result of use of device to a certain extent.
2. The utility model provides a liquid control check valve adopts mutually supporting of pivot, grip block, hydraulic pressure pipeline, hydraulic pressure pipe, first passageway, first inlet tube, second passageway and second inlet tube, has reached and has made the inseparable effect of device installation, through the rotatory mutual block with grip block and first pipeline of pivot, makes the device erection joint inseparabler, can satisfy people's user demand.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a perspective view of the present invention;
fig. 3 is an enlarged view of the point a of fig. 1 of the present invention;
fig. 4 is a connection structure diagram of the first threaded rod of the present invention.
In the figure: 1. a check valve body; 2. a valve core; 3. adjusting the core; 4. a compression spring; 5. connecting blocks; 6. a sealing block; 7. a first threaded rod; 8. a first seal ring; 9. a second threaded rod; 10. opening and closing the board; 11. a second seal ring; 12. a rotating shaft; 13. a clamping plate; 14. a hydraulic conduit; 15. a hydraulic tube; 16. a first channel; 17. a first liquid inlet pipe; 18. a second channel; 19. a second liquid inlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-4, the utility model provides a hydraulic control one-way valve, which comprises a one-way valve body 1, wherein the inner wall of the one-way valve body 1 is connected with a valve core 2 in a fitting manner, one side of the valve core 2 is connected with an adjusting core 3 in a fitting manner, and the inner wall of the adjusting core 3 is fixedly connected with a compression spring 4;
one side of the compression spring 4 is fixedly connected with a connecting block 5, the outer wall of the connecting block 5 is fixedly connected with a sealing block 6, and the outer wall of the sealing block 6 is fixedly connected with a first threaded rod 7;
the outer wall of the sealing block 6 is attached to a first sealing ring 8, the check valve body 1 is connected with a second threaded rod 9 in a threaded mode, the second threaded rod 9 is connected with a split plate 10 in a threaded mode, and the outer wall of the split plate 10 is attached to a second sealing ring 11.
In this embodiment, adopt check valve body 1, case 2, adjust core 3, compression spring 4, connecting block 5, sealed piece 6, first threaded rod 7, first sealing washer 8, second threaded rod 9, mutually supporting of open close plate 10 and second sealing washer 11, reached and made the device sealed effectual, will seal piece 6 and install check valve body 1 through the use of first threaded rod 7, can seal the junction of sealed piece 6 and check valve body 1 through first sealing washer 8.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the outer wall bearing of the check valve body 1 is connected with the pivot 12, the outer wall fixedly connected with grip block 13 of pivot 12, hydraulic pressure pipeline 14 has been seted up to one side of check valve body 1, the inner wall threaded connection of hydraulic pressure pipeline 14 has hydraulic pressure pipe 15, first passageway 16 has been seted up to one side of check valve body 1, 16 threaded connection of first passageway have first inlet tube 17, second passageway 18 has been seted up to one side of check valve body 1, 18 threaded connection of second passageway have second inlet tube 19.
In this embodiment, the mutual cooperation of the rotating shaft 12, the clamping plate 13, the hydraulic pipeline 14, the hydraulic pipe 15, the first channel 16, the first liquid inlet pipe 17, the second channel 18 and the second liquid inlet pipe 19 is adopted, so that the installation of the device is tight, and the clamping plate 13 and the first pipeline 16 are mutually clamped through the rotation of the rotating shaft 12, so that the installation and the connection of the device are tighter.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1 and embodiment 2, the utility model provides a technical solution: preferably, the clamping plates 13 are positioned on both sides of the hydraulic pipe 15, and the clamping plates 13 and the hydraulic pipe 15 are engaged with each other.
In this embodiment, the device can be made to be installed compactly.
Preferably, the valve core 2 and the one-way valve body 1 are mutually attached, and the inner diameter of the valve core 2 is equal to the width of the inside of the one-way valve body 1.
In this embodiment, the device can be filled with hydraulic oil to push the valve element.
Preferably, the inner diameter of the first sealing ring 8 is larger than the diameter of the sealing block 6, and the first sealing ring 8 is tightly attached to the sealing block 6.
In this embodiment, the sealing effect of the device can be made better.
Preferably, the number of the first threaded rods 7 is four, and the first threaded rods 7 are symmetrical to each other two by two along the perpendicular bisector of the seal block 6.
In this embodiment, the device can be made easy to disassemble and assemble.
Preferably, the first threaded rod 7 extends transversely through the sealing block 6 to one side of the non-return valve body 1.
In this embodiment, the device can be made easy to install.
The working principle of the pilot operated check valve will be described in detail below.
As shown in fig. 1 to 4, the seal block 6 is detached through the first threaded rod 7, so that the adjustment core 3 and the compression spring 4 can be taken out, replaced or repaired, the seal block 6 is mounted on the check valve body 1 through the first threaded rod 7, the joint between the seal block 6 and the check valve body 1 can be sealed through the first seal ring 8, the clamping plate 13 and the first pipeline 16 are clamped with each other through rotation of the rotating shaft 12, and the device can be mounted more tightly.
The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.
Claims (7)
1. A hydraulically controlled check valve, includes check valve body (1), its characterized in that: the inner wall of the one-way valve body (1) is connected with a valve core (2) in an attaching mode, one side of the valve core (2) is connected with an adjusting core (3) in an attaching mode, and the inner wall of the adjusting core (3) is fixedly connected with a compression spring (4);
one side of the compression spring (4) is fixedly connected with a connecting block (5), the outer wall of the connecting block (5) is fixedly connected with a sealing block (6), and the outer wall of the sealing block (6) is fixedly connected with a first threaded rod (7);
the sealing block (6) outer wall laminating is connected with first sealing washer (8), check valve body (1) threaded connection has second threaded rod (9), second threaded rod (9) threaded connection has open-close plate (10), the outer wall laminating of open-close plate (10) is connected with second sealing washer (11).
2. The hydraulically controlled check valve of claim 1, wherein: the outer wall bearing of check valve body (1) is connected with pivot (12), outer wall fixedly connected with grip block (13) of pivot (12), hydraulic pressure pipeline (14) have been seted up to one side of check valve body (1), the inner wall threaded connection of hydraulic pressure pipeline (14) has hydraulic pressure pipe (15), first passageway (16) have been seted up to one side of check valve body (1), first passageway (16) threaded connection has first inlet tube (17), second passageway (18) have been seted up to one side of check valve body (1), second passageway (18) threaded connection has second inlet tube (19).
3. A hydraulically controlled one-way valve as defined in claim 2, wherein: the clamping plates (13) are located on two sides of the hydraulic pipe (15), and the clamping plates (13) and the hydraulic pipe (15) are clamped with each other.
4. The hydraulically controlled check valve of claim 1, wherein: the valve core (2) is attached to the one-way valve body (1), and the inner diameter of the valve core (2) is equal to the width of the interior of the one-way valve body (1).
5. The hydraulically controlled check valve of claim 1, wherein: the inner diameter of the first sealing ring (8) is larger than that of the sealing block (6), and the first sealing ring (8) is tightly attached to the sealing block (6).
6. The hydraulically controlled check valve of claim 1, wherein: the quantity of first threaded rod (7) is four, just two liang of perpendicular bisector mutual symmetry along sealed piece (6) of first threaded rod (7).
7. The hydraulically controlled check valve of claim 1, wherein: the first threaded rod (7) transversely penetrates through the sealing block (6) and extends to one side of the one-way valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222663911.5U CN218325545U (en) | 2022-10-10 | 2022-10-10 | Hydraulic control one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222663911.5U CN218325545U (en) | 2022-10-10 | 2022-10-10 | Hydraulic control one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325545U true CN218325545U (en) | 2023-01-17 |
Family
ID=84823672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222663911.5U Active CN218325545U (en) | 2022-10-10 | 2022-10-10 | Hydraulic control one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325545U (en) |
-
2022
- 2022-10-10 CN CN202222663911.5U patent/CN218325545U/en active Active
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| GR01 | Patent grant |