CN220770266U - Leakage-free reversing valve - Google Patents
Leakage-free reversing valve Download PDFInfo
- Publication number
- CN220770266U CN220770266U CN202322673718.4U CN202322673718U CN220770266U CN 220770266 U CN220770266 U CN 220770266U CN 202322673718 U CN202322673718 U CN 202322673718U CN 220770266 U CN220770266 U CN 220770266U
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- Prior art keywords
- valve
- ring
- reversing valve
- shaped ring
- type circle
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- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 23
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a leakage-free reversing valve, which comprises a reversing valve body, wherein a valve cover is fixedly arranged at the top of the reversing valve body. The valve cover is arranged, so that the reversing valve is convenient to detach, the first O-shaped ring, the second O-shaped ring, the third O-shaped ring, the fourth O-shaped ring, the fifth O-shaped ring, the sixth O-shaped ring, the seventh O-shaped ring, the eighth O-shaped ring, the ninth O-shaped ring, the tenth O-shaped ring and the eleventh O-shaped ring are arranged, the reversing valve sealing performance is improved, and the first check ring, the second check ring, the third check ring and the fourth check ring are arranged, so that the reversing valve sealing performance is improved, the reversing valve sealing performance can be effectively improved, leakage of the reversing valve is prevented, the reversing valve is convenient to detach, parts inside the reversing valve are convenient to replace, the structure is simple, the size inspection is convenient, and the sealing installation and the disassembly are more convenient.
Description
Technical Field
The utility model relates to the technical field of reversing valves, in particular to a leakage-free reversing valve.
Background
The reversing valve is a directional control valve with more than two flow forms and more than two oil ports, is a valve for realizing communication, cutting-off and reversing of hydraulic oil flow, pressure unloading and sequential action control, and is divided into two positions, three positions and the like according to the number of working positions of the valve core staying in the valve body by virtue of the directional control valve of the relative movement of the valve core and the valve body; the valve is divided into two-way, three-way, four-way, six-way and the like according to the number of oil ways connected with the valve body; the valve core is operated in a manual, motor, electric, hydraulic, electrohydraulic and other modes.
The existing reversing valve is poor in sealing performance, so that the reversing valve is easy to leak when in use, the service performance of the reversing valve is poor, and the existing reversing valve does not have the function of conveniently disassembling and replacing components, so that the leakage-free reversing valve is provided to solve the problems.
Disclosure of Invention
The utility model aims to provide a leakage-free reversing valve, which has the advantages of improving the sealing performance of the reversing valve and being convenient to detach and replace, and solves the problems that the prior reversing valve is poor in sealing performance, so that the reversing valve is easy to leak when in use, the service performance of the reversing valve is poor, and the prior reversing valve does not have the function of conveniently detaching and replacing components.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a no leakage switching-over valve, includes the switching-over valve body, the top fixed mounting of switching-over valve body has the valve gap, the inner chamber of switching-over valve body is provided with case A, case A's inner chamber is provided with case B, case A's top fixed mounting has the piston body, case A's top is provided with lock nut, the both sides of valve gap inner chamber all are provided with piston reset spring, case B's surface is provided with the valve pocket, the right side fixed mounting of switching-over valve body has the end cap, the left bottom fixed mounting of switching-over valve body has the guide ring, the surface cover of guide ring is equipped with the spacing ring, the inner chamber of guide ring is provided with the tight spring of support, the left side fixed mounting of tight spring has the steel ball, the left side of guide ring surface is provided with the check valve body.
As the preferable scheme, the surface of case A is located the inner chamber cover of piston body and is equipped with first O type circle, the surface of piston body is located the inner chamber cover of valve gap and is equipped with the second O type circle, the left side of valve gap is provided with the third O type circle, the bottom of valve gap is located the top cover of switching-over valve body and is equipped with the fourth O type circle.
As the preferable scheme, the surface of case A and the inner chamber cover that is located the switching-over valve body are equipped with fifth O type circle, the top on valve pocket surface is equipped with first retaining ring and sixth O type circle respectively, the left top of switching-over valve body is provided with seventh O type circle, the center department on valve pocket surface is equipped with second retaining ring and eighth O type circle respectively, the bottom cover on valve pocket surface is equipped with ninth O type circle, the bottom on case B surface and the inner chamber that is located the valve pocket are equipped with tenth O type circle and third retaining ring respectively.
As a preferable scheme, an eleventh O-shaped ring and a fourth check ring are respectively sleeved on the left side of the surface of the guide ring.
Compared with the prior art, the utility model has the following beneficial effects:
the valve cover is arranged, so that the reversing valve is convenient to detach, the first O-shaped ring, the second O-shaped ring, the third O-shaped ring, the fourth O-shaped ring, the fifth O-shaped ring, the sixth O-shaped ring, the seventh O-shaped ring, the eighth O-shaped ring, the ninth O-shaped ring, the tenth O-shaped ring and the eleventh O-shaped ring are arranged, the reversing valve sealing performance is improved, and the first check ring, the second check ring, the third check ring and the fourth check ring are arranged, so that the reversing valve sealing performance is improved, the reversing valve can be effectively improved, leakage of the reversing valve is prevented, the reversing valve is convenient to detach, parts inside the reversing valve are convenient to replace, the structure is simple, the size inspection is convenient, the sealing installation and the disassembly are more convenient, and the advantages of improving the reversing valve sealing performance and convenient to detach and replace are achieved.
The valve body structure is simpler, and a single machining center can finish all machining steps, reduces steps such as material transfer, machine replacement and the like, and greatly shortens the valve body machining time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a first O-ring; 2. a second O-ring; 3. a third O-ring; 4. a fourth O-ring; 5. a fifth O-ring; 6. a first retainer ring; 7. a sixth O-ring; 8. a seventh O-ring; 9. the second check ring; 10. an eighth O-ring; 11. a ninth O-ring; 12. a tenth O-ring; 13. a third retainer ring; 14. an eleventh O-ring; 15. a fourth retainer ring; 16. a valve cover; 17. a piston return spring; 18. a lock nut; 19. a piston body; 20. a valve core A; 21. a valve core B; 22. a valve sleeve; 23. a plug; 24. a guide ring; 25. a limiting ring; 26. a spring is abutted tightly; 27. a steel ball; 28. a check valve body; 29. a reversing valve body.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a leak-free reversing valve comprises a reversing valve body 29, a valve cover 16 is fixedly arranged at the top of the reversing valve body 29, a valve core a20 is arranged in an inner cavity of the reversing valve body 29, a valve core B21 is arranged in an inner cavity of the valve core a20, a piston body 19 is fixedly arranged at the top of the valve core a20, a lock nut 18 is arranged at the top of the valve core a20, piston return springs 17 are arranged at both sides of the inner cavity of the valve cover 16, a valve sleeve 22 is arranged on the surface of the valve core B21, a plug 23 is fixedly arranged at the right side of the reversing valve body 29, a guide ring 24 is fixedly arranged at the bottom of the left side of the reversing valve body 29, a limit ring 25 is sleeved on the surface of the guide ring 24, a tight spring 26 is arranged in the inner cavity of the guide ring 24, a steel ball 27 is fixedly arranged at the left side of the tight spring 26, a one-way valve body 28 is arranged at the left side of the surface of the guide ring 24, by arranging the valve cover 16, play the effect of conveniently dismantling the switching-over valve, through setting up first O type circle 1, second O type circle 2, third O type circle 3, fourth O type circle 4, fifth O type circle 5, sixth O type circle 7, seventh O type circle 8, eighth O type circle 10, ninth O type circle 11, tenth O type circle 12 and eleventh O type circle 14, play the effect of improving switching-over valve sealing performance, through setting up first retaining ring 6, second retaining ring 9, third retaining ring 13 and fourth retaining ring 15, play the effect of improving switching-over valve sealing performance, make the switching-over valve when using, can effectually improve the sealing performance of switching-over valve, prevent that the switching-over valve from leaking, and conveniently dismantle the switching-over valve, be convenient for change the inside part of switching-over valve, and simple structure, size inspection is convenient, sealing installation, dismantlement are more convenient, have reached and have improved the switching-over valve sealing performance and the advantage of conveniently dismantling the change.
The surface of the valve core A20 and the inner cavity of the piston body 19 are sleeved with a first O-shaped ring 1, the surface of the piston body 19 and the inner cavity of the valve cover 16 are sleeved with a second O-shaped ring 2, the left side of the valve cover 16 is provided with a third O-shaped ring 3, and the bottom of the valve cover 16 and the top of the reversing valve body 29 are sleeved with a fourth O-shaped ring 4.
Through above-mentioned technical scheme, through setting up first O type circle 1, second O type circle 2, third O type circle 3 and fourth O type circle 4, play the effect that improves the sealing performance between valve gap 16 and the switching-over valve body 29, prevent to support and tightly leak between spring 26 and the switching-over valve body 29.
The surface of the valve core A20 and the inner cavity of the reversing valve body 29 are sleeved with a fifth O-shaped ring 5, the top of the surface of the valve sleeve 22 is respectively sleeved with a first check ring 6 and a sixth O-shaped ring 7, the top of the left side of the reversing valve body 29 is provided with a seventh O-shaped ring 8, the center of the surface of the valve sleeve 22 is respectively sleeved with a second check ring 9 and an eighth O-shaped ring 10, the bottom of the surface of the valve sleeve 22 is sleeved with a ninth O-shaped ring 11, and the bottom of the surface of the valve core B21 and the inner cavity of the valve sleeve 22 are respectively sleeved with a tenth O-shaped ring 12 and a third check ring 13.
Through the technical scheme, through setting up fifth O type circle 5, first retaining ring 6, sixth O type circle 7, seventh O type circle 8, second retaining ring 9, eighth O type circle 10, ninth O type circle 11, tenth O type circle 12 and third retaining ring 13, play the effect that improves the sealing performance between case A20, case B21 and the switching-over valve body 29, prevent to appear leaking between case A20, case B21 and the switching-over valve body 29.
The eleventh O-ring 14 and the fourth retainer ring 15 are respectively sleeved on the left side of the surface of the guide ring 24.
Through the technical scheme, through setting up eleventh O type circle 14 and fourth retaining ring 15, play the effect of improving sealing performance between guide ring 24 and switching-over valve body 29, prevent to appear leaking between guide ring 24 and the switching-over valve body 29.
The working principle of the utility model is as follows: through setting up valve gap 16, play the effect of conveniently dismantling the switching-over valve, through setting up first O type circle 1, second O type circle 2, third O type circle 3 and fourth O type circle 4, play the effect of improving sealing performance between valve gap 16 and the switching-over valve body 29, prevent to support and leak between tight spring 26 and the switching-over valve body 29, through setting up fifth O type circle 5, first retaining ring 6, sixth O type circle 7, seventh O type circle 8, second retaining ring 9, eighth O type circle 10, ninth O type circle 11, tenth O type circle 12 and third retaining ring 13, play the effect of improving sealing performance between case A20, case B21 and the switching-over valve body 29, prevent to appear leaking between case A20, case B21 and the switching-over valve body 29, through setting up eleventh O type circle 14 and fourth retaining ring 15, play the effect of improving sealing performance between guide ring 24 and the switching-over valve body 29, prevent to leak between guide ring 24 and the switching-over valve body 29, thereby reached and improved switching-over valve sealing performance and convenient dismantlement's advantage.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A leak-free reversing valve comprising a reversing valve body (29), characterized in that: valve gap (16) is fixedly installed at top of switching-over valve body (29), the inner chamber of switching-over valve body (29) is provided with case A (20), the inner chamber of case A (20) is provided with case B (21), the top fixed mounting of case A (20) has piston body (19), the top of case A (20) is provided with lock nut (18), the both sides of valve gap (16) inner chamber all are provided with piston return spring (17), the surface of case B (21) is provided with valve pocket (22), the right side fixed mounting of switching-over valve body (29) has end cap (23), the bottom fixed mounting of switching-over valve body (29) left side has guide ring (24), the surface cover of guide ring (24) is equipped with spacing ring (25), the inner chamber of guide ring (24) is provided with supports tight spring (26), the left side fixed mounting of support tight spring (26) has steel ball (27), the left side of guide ring (24) surface is provided with check valve (28).
2. A leak-free reversing valve in accordance with claim 1 wherein: the surface of case A (20) and the inner chamber cover that is located piston body (19) are equipped with first O type circle (1), the surface of piston body (19) and the inner chamber cover that is located valve gap (16) are equipped with second O type circle (2), the left side of valve gap (16) is provided with third O type circle (3), the bottom of valve gap (16) and the top cover that is located switching-over valve body (29) are equipped with fourth O type circle (4).
3. A leak-free reversing valve in accordance with claim 1 wherein: the valve is characterized in that a fifth O-shaped ring (5) is sleeved on the surface of the valve core A (20) and located in an inner cavity of the reversing valve body (29), a first check ring (6) and a sixth O-shaped ring (7) are sleeved on the top of the surface of the valve sleeve (22) respectively, a seventh O-shaped ring (8) is arranged on the left top of the reversing valve body (29), a second check ring (9) and an eighth O-shaped ring (10) are sleeved on the center of the surface of the valve sleeve (22) respectively, a ninth O-shaped ring (11) is sleeved on the bottom of the surface of the valve sleeve (22), and a tenth O-shaped ring (12) and a third check ring (13) are sleeved on the bottom of the surface of the valve core B (21) and located in the inner cavity of the valve sleeve (22) respectively.
4. A leak-free reversing valve in accordance with claim 1 wherein: an eleventh O-shaped ring (14) and a fourth check ring (15) are respectively sleeved on the left side of the surface of the guide ring (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673718.4U CN220770266U (en) | 2023-10-07 | 2023-10-07 | Leakage-free reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673718.4U CN220770266U (en) | 2023-10-07 | 2023-10-07 | Leakage-free reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770266U true CN220770266U (en) | 2024-04-12 |
Family
ID=90617547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322673718.4U Active CN220770266U (en) | 2023-10-07 | 2023-10-07 | Leakage-free reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770266U (en) |
-
2023
- 2023-10-07 CN CN202322673718.4U patent/CN220770266U/en active Active
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