CN219911889U - High-pressure overflow valve - Google Patents
High-pressure overflow valve Download PDFInfo
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- CN219911889U CN219911889U CN202321206837.2U CN202321206837U CN219911889U CN 219911889 U CN219911889 U CN 219911889U CN 202321206837 U CN202321206837 U CN 202321206837U CN 219911889 U CN219911889 U CN 219911889U
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- overflow valve
- pressure
- valve body
- pressure regulating
- compression spring
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 68
- 230000006835 compression Effects 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 19
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses a high-pressure overflow valve, which comprises an overflow valve body, wherein a flow limiting block is connected to the overflow valve body in a sliding way, a plurality of through holes are formed in the flow limiting block, a mounting plate is fixedly connected to the inner side wall of the overflow valve body, the mounting plate divides the overflow valve body into a circulation chamber and a pressure regulating chamber, a sliding hole is formed in the mounting plate, a pressure regulating rod is fixedly connected to one side wall, close to the mounting plate, of the flow limiting block, and one end, far away from the flow limiting block, of the pressure regulating rod is connected to the sliding hole in a sliding way. According to the utility model, the mounting plate is arranged in the overflow valve, the overflow valve is divided into the circulation chamber and the pressure regulating chamber by the mounting plate, the high-pressure medium is discharged through the circulation chamber and cannot enter the pressure regulating chamber, and the compression spring is arranged in the pressure regulating chamber, so that the compression spring cannot be in direct contact with the medium, the damage of the high-pressure medium to the compression spring is avoided, the service life of the compression spring is prolonged, and the normal use of the overflow valve is ensured.
Description
Technical Field
The utility model belongs to the technical field of overflow valves, and particularly relates to a high-pressure overflow valve.
Background
The overflow valve is a hydraulic pressure control valve, and mainly plays roles of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment.
The utility model discloses a high pressure protection overflow valve to patent number CN202223192151.0, including main relief pipe, the inside of main relief pipe is provided with the sprue, the one end of main relief pipe has the lock bottom plate through the bolt fixed mounting that sets up, the lock bottom plate is located one side fixed mounting of main relief pipe inside has the spring, just the one end of spring with one side of sprue is fixed mutually, a plurality of flow holes have been seted up to the top surface of sprue, the outer wall surface fixed mounting of main relief pipe has the discharge pipe, just the one end of discharge pipe is connected with external conveyer pipe through the ring flange that sets up, the outer wall surface welding of main relief pipe has vice relief pipe, the one end welding of vice relief pipe is in the outer wall surface of discharge pipe. According to the utility model, the plurality of slow flow guide plates are arranged in the auxiliary pressure relief pipe in a staggered manner, so that the slow pressure of water entering the auxiliary pressure relief pipe can be effectively reduced, the influence of excessive water pressure on the water discharged from the pipe can be prevented as much as possible, and the practicability is improved.
However, when the pressure of the medium is regulated through the main pressure relief pipe, the high-pressure medium can be directly contacted with the spring because the spring is arranged on one side of the blocking block, the service life of the spring can be influenced, and when the overflow valve is used, the pressure regulation of the overflow valve is mainly realized through the spring, so that the pressure of the overflow valve can not be regulated due to the damage of the spring.
Accordingly, in view of the above-described problems, it is necessary to provide a high-pressure relief valve.
Disclosure of Invention
The utility model aims to provide a high-pressure overflow valve so as to solve the problems.
In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:
the utility model provides a high-pressure overflow valve, includes the overflow valve body, sliding connection has the restriction piece in the overflow valve body, a plurality of through-holes have been seted up on the restriction piece, fixedly connected with mounting panel on the overflow valve body inside wall, the mounting panel separates the overflow valve body into flow-through chamber and surge chamber, the slide hole has been seted up on the mounting panel, fixedly connected with pressure regulating lever on the lateral wall that the restriction piece is close to the mounting panel, the one end sliding connection that the restriction piece was kept away from to the pressure regulating lever is in the slide hole, just pressure regulating lever sliding connection is in the surge chamber in the one end of slide hole, cup jointed compression spring on the pressure regulating lever of arranging in the surge chamber, just compression spring's one end fixed connection is on the pressure regulating lever.
Further, a first sealing gasket is arranged on the outer side wall of the flow limiting block, and the first sealing gasket is arranged between the overflow valve body and the flow limiting block.
Further, a second sealing gasket is arranged on the side wall of the sliding hole and is arranged between the pressure regulating rod and the sliding hole.
Further, one end of the overflow valve body, which is far away from the flow limiting block, is provided with a flange plate, a third sealing gasket is arranged between the overflow valve body and the flange plate, and a fixing bolt is screwed between the overflow valve body, the third sealing gasket and the flange plate.
Further, a pressure relief opening and a water outlet are formed in the lower side wall of the overflow valve body, and the pressure relief opening is formed in the front end of the water outlet.
Further, a pressure relief pipe is arranged at the lower end of the pressure relief opening, and a drain pipe is arranged at the lower end of the water outlet.
Further, one end of the pressure relief pipe away from the pressure relief opening is arranged on the drain pipe, and the pressure relief pipe is communicated with the drain pipe.
Further, one end of the overflow valve body far away from the flange plate is provided with a water inlet pipe.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the mounting plate is arranged in the overflow valve, the overflow valve is divided into the circulation chamber and the pressure regulating chamber by the mounting plate, the high-pressure medium is discharged through the circulation chamber and cannot enter the pressure regulating chamber, and the compression spring is arranged in the pressure regulating chamber, so that the compression spring cannot be in direct contact with the medium, the damage of the high-pressure medium to the compression spring is avoided, the service life of the compression spring is prolonged, and the normal use of the overflow valve is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a front view of a high pressure relief valve according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating the construction of a high pressure relief valve according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a high pressure relief valve according to an embodiment of the present utility model.
In the figure: 1. the overflow valve comprises an overflow valve body, a flow limiting block, a through hole, a first sealing gasket, a pressure regulating rod, a mounting plate, a sliding hole, a second sealing gasket, a compression spring, a flow chamber, a pressure regulating chamber, a flange plate, a fixing bolt, a third sealing gasket, a pressure relief opening, a water outlet, a pressure relief pipe, a water outlet pipe and a water inlet pipe.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological or functional modifications from the embodiments are within the scope of the utility model.
The utility model discloses a high-pressure overflow valve, which is shown by referring to figures 1-3 and comprises an overflow valve body 1, when a pressure pipeline is used, the pressure in the pipeline can be changed due to the change of fluid, and in order to control the pressure in the pipeline so as to ensure that the pressure in the pipeline is within a safe range value, the pressure in the pipeline is regulated by arranging the overflow valve body 1 and by arranging the overflow valve body 1.
Referring to fig. 2 and 3, a flow limiting block 2 is slidably connected in the overflow valve body 1, a plurality of through holes 3 are formed in the flow limiting block 2, a first sealing gasket 4 is arranged on the outer side wall of the flow limiting block 2, and the first sealing gasket 4 is arranged between the overflow valve body 1 and the flow limiting block 2. The flow limiting block 2 is a member for controlling the medium in the overflow valve body 1, and a plurality of through holes 3 are formed in the flow limiting block 2, so that the medium entering the overflow valve body 1 can flow to the other side of the flow limiting block 2 through the through holes 3. The restrictor 2 is slidably connected to the relief valve body 1 so that the restrictor 2 can slide in the relief valve body 1 when the pressure in the relief valve body 1 changes. In order to ensure tightness between the relief valve body 1 and the restrictor block 2 such that the medium in the relief valve body 1 does not flow between the relief valve body 1 and the restrictor block 2, by providing a first gasket 4 on the outside of the restrictor block 2, the seal between the relief valve body 1 and the restrictor block 2 is made by the first gasket 4, and the restrictor block 2 is ensured to be slidable in the relief valve body 1.
Referring to fig. 3, a mounting plate 6 is fixedly connected to the inner side wall of the overflow valve body 1, and the mounting plate 6 partitions the overflow valve body 1 into a flow chamber 10 and a pressure regulating chamber 11. Through fixedly connected with mounting panel 6 on the inside wall of overflow valve body 1, mounting panel 6 separates into circulation room 10 and surge chamber 11 with overflow valve body 1, and circulation room 10 sets up between restriction block 2 and mounting panel 6 for the flow of medium for the high-pressure medium that gets into through overflow valve body 1 enters into circulation room 10 through-hole 3 on restriction block 2, flows in from circulation room 10. The pressure regulating chamber 11 is provided on the other side of the mounting plate 6, and is used for regulating the pressure in the overflow valve body 1, so that water in the flow chamber 10 does not enter the pressure regulating chamber 11.
Referring to fig. 2 and 3, a sliding hole 7 is formed in the mounting plate 6, a pressure regulating rod 5 is fixedly connected to a side wall of the current limiting block 2, which is close to the mounting plate 6, one end of the pressure regulating rod 5, which is far away from the current limiting block 2, is slidably connected in the sliding hole 7, one end of the pressure regulating rod 5, which is slidably connected with the sliding hole 7, is arranged in a pressure regulating chamber 11, a second sealing gasket 8 is arranged on the side wall of the sliding hole 7, and the second sealing gasket 8 is arranged between the pressure regulating rod 5 and the sliding hole 7. A pressure regulating rod 5 is fixedly connected to one side wall of the flow limiting block 2, which is close to the mounting plate 6, and one end of the pressure regulating rod 5, which is far away from the flow limiting block 2, is slidably connected into the mounting plate 6. Because the flow limiting block 2 can slide in the overflow valve body 1, the flow limiting block 2 can drive the pressure regulating rod 5 to move when sliding, and the pressure regulating rod 5 can slide in the sliding hole 7 formed on the mounting plate 6 when moving.
Further, as shown in fig. 3, in order to prevent water in the flow chamber 10 from entering the pressure regulating chamber 11, a second gasket 8 is provided on the side wall of the slide hole 7, and the second gasket 8 is provided before the pressure regulating rod 5 and the slide hole 7, so that no water leakage is ensured between the pressure regulating rod 5 and the slide hole 7. And the pressure regulating rod 5 can slide in the slide hole 7, so that the second sealing gasket 8 is needed to ensure that water cannot leak between the pressure regulating rod 5 and the slide hole 7 when the pressure regulating rod 5 slides in the slide hole 7.
Referring to fig. 2 and 3, a compression spring 9 is sleeved on the pressure regulating rod 5 disposed in the pressure regulating chamber 11, and one end of the compression spring 9 is fixedly connected to the pressure regulating rod 5. By sleeving the compression spring 9 on the pressure regulating rod 5 arranged in the pressure regulating chamber 11, the compression spring 9 is fixedly connected to the pressure regulating rod 5, so that when the pressure regulating rod 5 compresses the compression spring 9, the compression spring 9 can apply rebound force to the pressure regulating rod 5, and the movement of the flow limiting block 2 is under the action of a certain pressure.
Preferably, because the compression spring 9 is installed in the pressure regulating chamber 11, the medium can not enter the pressure regulating chamber 11 when the overflow valve body 1 is used, so that the direct contact between the medium and the compression spring 9 is avoided, the compression spring 9 can not be damaged by the medium when in use, the service life of the compression spring 9 is prolonged, and the pressure of the medium can be stably regulated when the overflow valve body 1 is used.
Referring to fig. 1-3, a flange 12 is arranged at one end of the overflow valve body 1 far away from the flow limiting block 2, a third sealing gasket 14 is arranged between the overflow valve body 1 and the flange 12, and a fixing bolt 13 is screwed between the overflow valve body 1, the third sealing gasket 14 and the flange 12. In order to be convenient for maintain and change the part in the overflow valve body 1, through being provided with the ring flange 12 in the one end that overflow valve body 1 kept away from restriction piece 2, because integrated into one piece has the ring flange with ring flange 12 assorted on the overflow valve body 1, can be fixed in on the overflow valve body 1 through fixing bolt 13 with the ring flange 12 to through being provided with third sealing pad 14 between overflow valve body 1 and ring flange 12, increase the leakproofness between overflow valve body 1 and the ring flange 12 through third sealing pad 14.
Referring to fig. 3, a pressure relief opening 15 and a water outlet 16 are provided on the lower side wall of the overflow valve body 1, and the pressure relief opening 15 is provided at the front end of the water outlet 16. The lower end of the pressure relief opening 15 is provided with a pressure relief pipe 17, and the lower end of the water outlet 16 is provided with a drain pipe 18. The end of the pressure release pipe 17 away from the pressure release opening 15 is arranged on the drain pipe 18, and the pressure release pipe 17 is communicated with the drain pipe 18. The medium entering the overflow valve body 1 enters the flow chamber 10 through the through hole 3 on the flow limiting block 2 and is discharged through the water outlet 16 arranged at the lower end of the overflow valve body 1. When the pressure of the medium entering the overflow valve body 1 becomes large, the flow limiting block 2 moves, the flow limiting block 2 drives the pressure regulating rod 5 to move when moving, and the pressure regulating rod 5 compresses the compression spring 9 when moving.
Further, if the pressure in the overflow valve body 1 is continuously increased, the flow limiting block 2 is pushed to move forward until the medium enters the pressure relief pipe 17 through the pressure relief opening 15, the pressure of the medium in the low overflow valve body 1 can be reduced under the action of the pressure relief opening 15, the flow limiting block 2 moves back under the action of the compression spring 9, and when the pressure entering the overflow valve body 1 is reduced, the flow limiting block 2 can be restored to the original position, so that the medium cannot enter the pressure relief opening 15.
Referring to fig. 1 and 3, a water inlet pipe 19 is provided at an end of the overflow valve body 1 away from the flange 12, and a high-pressure medium enters the overflow valve body 1 through the water inlet pipe 19.
During the use, high-pressure medium enters into overflow valve body 1 through inlet tube 19, can make restriction block 2 remove, and the medium can flow to the flow cell 10 through hole 3 in, discharges through drain pipe 18, when the pressure of medium in overflow valve body 1 is too big, can promote restriction block 2 and remove, restriction block 2 promotes the pressure regulating pole 5 and removes, and pressure regulating pole 5 compresses compression spring 9, adjusts the pressure in the overflow valve body 1 through pressure relief mouth 15. Since the medium in the flow-through chamber 10 does not enter the pressure regulating chamber 11, the compression spring 9 is disposed in the pressure regulating chamber 11, and thus the medium is prevented from directly contacting the compression spring 9.
The technical scheme shows that the utility model has the following beneficial effects:
according to the utility model, the mounting plate is arranged in the overflow valve, the overflow valve is divided into the circulation chamber and the pressure regulating chamber by the mounting plate, the high-pressure medium is discharged through the circulation chamber and cannot enter the pressure regulating chamber, and the compression spring is arranged in the pressure regulating chamber, so that the compression spring cannot be in direct contact with the medium, the damage of the high-pressure medium to the compression spring is avoided, the service life of the compression spring is prolonged, and the normal use of the overflow valve is ensured.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (8)
1. The utility model provides a high-pressure overflow valve, includes overflow valve body (1), its characterized in that, sliding connection has restriction piece (2) in overflow valve body (1), a plurality of through-holes (3) have been seted up on restriction piece (2), fixedly connected with mounting panel (6) on overflow valve body (1) inside wall, mounting panel (6) separate overflow valve body (1) into circulation room (10) and pressure regulating room (11), slide hole (7) have been seted up on mounting panel (6), fixedly connected with pressure regulating pole (5) on one lateral wall that restriction piece (2) are close to mounting panel (6), one end sliding connection in slide hole (7) that restriction piece (2) were kept away from to pressure regulating pole (5), just pressure regulating pole (5) sliding connection is arranged in pressure regulating room (11) in one end of slide hole (7), cup jointed compression spring (9) on pressure regulating pole (5) in pressure regulating room (11), just one end fixedly connected with of compression spring (9) is on pressure regulating pole (5).
2. A high pressure overflow valve according to claim 1, characterised in that the outer side wall of the flow restriction block (2) is provided with a first gasket (4), the first gasket (4) being arranged between the overflow valve body (1) and the flow restriction block (2).
3. A high pressure overflow valve according to claim 1, characterised in that a second gasket (8) is arranged on the side wall of the slide hole (7), said second gasket (8) being arranged between the pressure regulating rod (5) and the slide hole (7).
4. The high-pressure overflow valve according to claim 1, wherein a flange plate (12) is arranged at one end, far away from the flow limiting block (2), of the overflow valve body (1), a third sealing gasket (14) is arranged between the overflow valve body (1) and the flange plate (12), and a fixing bolt (13) is screwed between the overflow valve body (1), the third sealing gasket (14) and the flange plate (12).
5. The high-pressure overflow valve according to claim 4, wherein the lower side wall of the overflow valve body (1) is provided with a pressure relief opening (15) and a water outlet (16), and the pressure relief opening (15) is arranged at the front end of the water outlet (16).
6. The high-pressure overflow valve according to claim 5, characterized in that a pressure relief pipe (17) is installed at the lower end of the pressure relief port (15), and a drain pipe (18) is installed at the lower end of the water outlet (16).
7. A high pressure overflow valve according to claim 6, characterised in that the end of the pressure relief pipe (17) remote from the pressure relief opening (15) is mounted on a drain pipe (18), and that the pressure relief pipe (17) is in communication with the drain pipe (18).
8. A high pressure overflow valve according to claim 7, characterised in that the overflow valve body (1) is provided with a water inlet pipe (19) at the end remote from the flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206837.2U CN219911889U (en) | 2023-05-18 | 2023-05-18 | High-pressure overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206837.2U CN219911889U (en) | 2023-05-18 | 2023-05-18 | High-pressure overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911889U true CN219911889U (en) | 2023-10-27 |
Family
ID=88423454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321206837.2U Active CN219911889U (en) | 2023-05-18 | 2023-05-18 | High-pressure overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911889U (en) |
-
2023
- 2023-05-18 CN CN202321206837.2U patent/CN219911889U/en active Active
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