CN212479743U - Anti-leakage pressure reducing valve - Google Patents
Anti-leakage pressure reducing valve Download PDFInfo
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- CN212479743U CN212479743U CN202020986116.8U CN202020986116U CN212479743U CN 212479743 U CN212479743 U CN 212479743U CN 202020986116 U CN202020986116 U CN 202020986116U CN 212479743 U CN212479743 U CN 212479743U
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Abstract
The utility model discloses a prevent leaking type relief pressure valve, include the valve body and install the pressure adjustment screw thread at the valve body front end, the second filter is installed on the inside right side of valve body, and the left side of second filter installs the check valve, first oil pressure interface and second oil pressure interface have been seted up respectively to the right side from a left side to the bottom of valve body, the top of first oil pressure interface is connected with first filter, and the left side of first filter is connected with the piston rod, the bottom of first oil pressure interface and second oil pressure interface is provided with the sealing plug respectively, and the sealing sleeve is installed to the bottom of sealing plug. The utility model discloses in, at first, adopt double seal structure, not only improved the leakproofness, also reduced the harm to the valve body, improved the result of use of relief pressure valve simultaneously, secondly, adopt the structure of slip regulation pressure adjustment screw thread, not only improved the convenience of operation, also improved the effect of relief pressure valve decompression.
Description
Technical Field
The utility model relates to a relief pressure valve technical field especially relates to a prevent leaking type relief pressure valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. From the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction. Then, the fluctuation of the pressure behind the valve is balanced with the spring force by means of the regulation of the control and regulation system, so that the pressure behind the valve is kept constant within a certain error range. In particular pressure relief valve arrangements used in the field of hydraulic oil.
The existing pressure reducing valve still has partial problems, firstly, the existing pressure reducing valve is characterized in that an oil pressure interface part arranged on a valve body is only provided with a sealing plug made of chlorinated rubber for corrosion prevention, although the sealing plug has certain corrosion resistance, the problem of hydraulic oil leakage exists in the use process, and the circulation temperature generated under the action of the hydraulic oil can possibly cause damage to the valve body, so that the sealing performance is reduced, the damage to the valve body is increased, the using effect of the pressure reducing valve is reduced, secondly, the existing pressure reducing valve adjusting threaded part is fixed by adopting a locking nut, but the operation is inconvenient when the pressure reducing valve is used, the setting not only reduces the convenience of operation, but also reduces the pressure reducing effect of the pressure reducing valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the leakage-proof type pressure reducing valve is provided for solving the problem that the traditional pressure reducing valve has leakage when the pressure is reduced during liquid injection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a prevent leaking type relief pressure valve, includes the valve body and installs the pressure adjustment screw thread at the valve body front end, the second filter is installed on the inside right side of valve body, and the left side of second filter installs the check valve, first oil pressure interface and second oil pressure interface have been seted up respectively to the right side from a left side to the bottom of valve body, the top of first oil pressure interface is connected with first filter, and the left side of first filter is connected with the piston rod, the bottom of first oil pressure interface and second oil pressure interface is provided with the sealing plug respectively, and the sealing sleeve is installed to the bottom of sealing plug.
As a further description of the above technical solution:
the check valve is connected with the piston rod, the second oil pressure port is communicated with the second filter, and the upper ends of the two groups of sealing sleeves are respectively embedded in the first oil pressure port and the second oil pressure port.
As a further description of the above technical solution:
the inner wall surfaces of the sealing plug and the sealing sleeve are made of chlorinated rubber and silicon rubber respectively, but the sealing plug and the sealing sleeve are not limited to be made of chlorinated rubber and silicon rubber.
As a further description of the above technical solution:
the right-hand member cover of pressure adjustment screw thread is equipped with lock nut, the left side of valve body is located lock nut's right-hand member and has seted up the arc groove.
As a further description of the above technical solution:
the inside slidable mounting of arc groove has the slider of two sets of symmetric connection, and installs the slidable knot between two sets of sliders, the right side of pressure adjustment screw thread runs through the arc groove and is connected with the pressure adjustment screw rod.
As a further description of the above technical solution:
and a plurality of groups of mounting holes are formed in the outer part of the valve body.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, adopt double seal structure, there are first oil pressure interface and second oil pressure interface on the valve body, and sealing sleeve and the sealing plug that has respectively on first oil pressure interface and the second oil pressure interface, and sealing sleeve's inner wall surface and sealing plug adopt the material of silicon rubber and chlorinated rubber respectively, enter into the second filter from second oil pressure interface when hydraulic oil, hydraulic oil flows from first oil pressure interface through first filter after through the decompression, the effect of temperature tolerance and corrosion resistance is played respectively to sealing sleeve and sealing plug this moment, play double seal's effect simultaneously, the comprehensive setting of this kind of structure, the leakproofness has not only been improved, the harm to the valve body has also been reduced, the result of use of relief pressure valve has been improved simultaneously.
2. The utility model discloses in, adopt the structure of slide adjusting pressure adjustment screw thread, the left side of valve body is equipped with the arc groove, and there are two sets of sliders on the arc groove, and there is the slidable thread that lives between two sets of sliders, the pressure adjustment screw thread runs through the arc groove and is connected with the pressure adjustment screw rod, when needs adjustment pressure adjustment screw thread, with the thread that lives respectively rebound or move down, the slider is driven simultaneously and upwards or move down along the arc groove, and drive the rotation of pressurization adjustment screw thread, play the effect of quick adjustment decompression adjustment screw thread, the comprehensive setting of this kind of structure, the convenience of operation has not only been improved, the effect of relief pressure valve decompression has also been improved.
Drawings
Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;
fig. 2 shows a front cross-sectional view provided in accordance with an embodiment of the present invention;
fig. 3 shows a front cross-sectional structure display diagram provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a valve body; 2. a pressure adjustment thread; 3. locking the nut; 4. sealing the sleeve; 5. mounting holes; 6. a slipknot; 7. an arc groove; 8. a first filter; 9. a piston rod; 10. a one-way valve; 11. a second filter; 12. A slider; 13. a sealing plug; 14. a first oil pressure port; 15. a second oil pressure port; 16. a pressure adjusting screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a leakage-proof pressure reducing valve comprises a valve body 1 and a pressure adjusting thread 2 arranged at the front end of the valve body 1, wherein a second filter 11 is arranged at the right side in the valve body 1, the second filter 11 filters hydraulic oil for the first time, a one-way valve 10 is arranged at the left side of the second filter 11, the one-way valve 10 mainly controls the passage of the hydraulic oil, a first oil pressure interface 14 and a second oil pressure interface 15 are respectively arranged at the bottom of the valve body 1 from left to right, the second oil pressure interface 15 is an oil inlet, the first oil pressure interface 14 is an oil outlet, a first filter 8 is connected at the top of the first oil pressure interface 14, the first filter 8 mainly filters the hydraulic oil for the second time, a piston rod 9 is connected at the left side of the first filter 8, the piston rod 9 mainly drives the one-way valve 10 to be opened and carries out pressure reduction treatment on the hydraulic oil, sealing plugs 13 are respectively arranged at the bottoms of, sealing plug 13 mainly is the sealed effect of taking out the way and the nature of anticorrosiveness effect, and sealing plug 13's bottom is installed sealing sleeve 4, sealing sleeve 4 mainly plays heat-resisting effect and sealed effect, check valve 10 is connected with piston rod 9, second oil pressure interface 15 is connected with 11 intercommunications of second filter, the inside at first oil pressure interface 14 and second oil pressure interface 15 is inlayed respectively to two sets of sealing sleeve 4's upper end, sealing plug 13 and sealing sleeve 4 inner wall surface adopt chlorinated rubber material and silicon rubber material respectively, but not only be limited to adopt chlorinated rubber material and silicon rubber material.
Specifically, as shown in fig. 1 and fig. 2, the right-hand member cover of pressure adjustment screw thread 2 is equipped with lock nut 3, lock nut 3 mainly plays and connects pressure adjustment screw thread 2 on valve body 1, the left side of connecting valve body 1 is located the right-hand member of lock nut 3 and has seted up arc groove 7, arc groove 7 mainly is the reciprocating that is used for slider 12, the inside slidable mounting of arc groove 7 has two sets of symmetric connection's slider 12, slider 12 mainly drives the rotation of pressure adjustment screw thread 2 and drives the 16 looks piston rods 9 of pressure adjustment screw and remove, and install slidable slipknot 6 between two sets of sliders 12, slipknot 6 mainly drives slider 12 and removes inside arc groove 7, the right side of pressure adjustment screw thread 2 runs through arc groove 7 and is connected with pressure adjustment screw 16.
Specifically, as shown in fig. 1, a plurality of sets of mounting holes 5 are formed in the exterior of the valve body 1.
The working principle is as follows: when in use, firstly, hydraulic oil enters the second filter 11 in the valve body 1 from the second oil pressure port 15, after filtration, in order to reduce the pressure of the hydraulic oil, the pressure adjusting thread 2 needs to be adjusted, the slipknot 6 moves up or down respectively, meanwhile, the slide block 12 is driven to move up or down along the arc groove 7 and drive the pressure adjusting thread 2 to rotate, the pressure adjusting thread 2 extrudes the piston rod 9 to the handle of the pressure adjusting screw 16 to the inside, meanwhile, the check valve 10 is opened, the hydraulic oil enters the first filter 8, pressure flows out through the first oil pressure port 14 after filtration, meanwhile, the sealing sleeves 4 and 13 on the first oil pressure port 14 and the second oil pressure port 15 respectively play the effects of temperature resistance and corrosion resistance, simultaneously play the effect of double sealing, continue to be recycled, and finally, the input of the hydraulic oil is cut off, and finishing the use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a prevent leaking type relief pressure valve, includes valve body (1) and installs pressure adjustment screw thread (2) at valve body (1) front end, its characterized in that, second filter (11) are installed on the inside right side of valve body (1), and the left side of second filter (11) installs check valve (10), first oil pressure interface (14) and second oil pressure interface (15) have been seted up respectively to the right side from a left side to the bottom of valve body (1), the top of first oil pressure interface (14) is connected with first filter (8), and the left side of first filter (8) is connected with piston rod (9), the bottom of first oil pressure interface (14) and second oil pressure interface (15) is provided with sealing plug (13) respectively, and sealing sleeve (4) are installed to the bottom of sealing plug (13).
2. A leakage-proof pressure reducing valve according to claim 1, wherein the check valve (10) is connected to the piston rod (9), the second hydraulic port (15) is connected to the second filter (11), and the upper ends of the two sets of sealing sleeves (4) are respectively embedded inside the first hydraulic port (14) and the second hydraulic port (15).
3. A leak-proof pressure reducing valve according to claim 1, wherein the inner wall surfaces of the sealing plug (13) and the sealing sleeve (4) are made of chlorinated rubber and silicone rubber, but not limited to chlorinated rubber and silicone rubber.
4. A leak-proof pressure reducing valve according to claim 1, wherein the right end of the pressure adjusting screw (2) is sleeved with a lock nut (3), and the left side of the valve body (1) at the right end of the lock nut (3) is provided with an arc groove (7).
5. A leakage-proof pressure reducing valve according to claim 4, wherein two sets of symmetrically connected sliding blocks (12) are slidably mounted inside the arc groove (7), and a slidable movable buckle (6) is mounted between the two sets of sliding blocks (12), and the right side of the pressure adjusting thread (2) is connected with a pressure adjusting screw (16) penetrating the arc groove (7).
6. A leak-proof pressure reducing valve according to claim 1, characterised in that the valve body (1) is externally provided with a plurality of sets of mounting holes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020986116.8U CN212479743U (en) | 2020-06-03 | 2020-06-03 | Anti-leakage pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020986116.8U CN212479743U (en) | 2020-06-03 | 2020-06-03 | Anti-leakage pressure reducing valve |
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| Publication Number | Publication Date |
|---|---|
| CN212479743U true CN212479743U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020986116.8U Active CN212479743U (en) | 2020-06-03 | 2020-06-03 | Anti-leakage pressure reducing valve |
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| CN (1) | CN212479743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791020A (en) * | 2022-11-29 | 2023-03-14 | 浙江岷泰科技有限公司 | Internal leakage detection equipment and detection method based on support |
-
2020
- 2020-06-03 CN CN202020986116.8U patent/CN212479743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791020A (en) * | 2022-11-29 | 2023-03-14 | 浙江岷泰科技有限公司 | Internal leakage detection equipment and detection method based on support |
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