CN216279615U - Seawater pressure reducing valve with quickly replaceable valve core - Google Patents
Seawater pressure reducing valve with quickly replaceable valve core Download PDFInfo
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- CN216279615U CN216279615U CN202121714729.7U CN202121714729U CN216279615U CN 216279615 U CN216279615 U CN 216279615U CN 202121714729 U CN202121714729 U CN 202121714729U CN 216279615 U CN216279615 U CN 216279615U
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Abstract
The utility model discloses a seawater pressure reducing valve with a quickly replaceable valve core, which comprises a valve body, wherein the outer walls of two sides of the valve body are respectively provided with a water inlet hole and a water outlet hole, the top of the valve body is fixedly connected with a valve cover through bolts, the top of the valve body is provided with a valve core shell in a penetrating way, the bottom end of the valve core shell is positioned at the communication position of the water inlet hole and the water outlet hole, the outer wall of the valve core shell positioned in the water inlet hole is provided with a plurality of water through holes in a penetrating way, the outer wall of the valve core shell positioned in the water inlet hole is sleeved with an annular filter screen, and the outer walls of the valve core shell positioned at the upper side and the lower side of the water inlet hole are both connected with the inner wall of the valve body in a sealing way through sealing rings; according to the utility model, through the arrangement of the valve core shell, when the pressure reducing valve needs to be maintained, the valve core shell, the diaphragm, the pressing plate, the jacking block, the valve rod, the valve clack, the sealing gasket and the like can be upwards drawn out from the valve body only by loosening the bolt for connecting the valve body and the valve cover, so that the operation is simple and rapid, and the maintenance difficulty of the seawater pressure reducing valve is greatly reduced.
Description
Technical Field
The utility model relates to a pressure reducing valve, in particular to a seawater pressure reducing valve with a valve core capable of being replaced quickly.
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.
The medium of circulation is the sea water in the sea water relief pressure valve, and impurity is more in the sea water, and current relief pressure valve does not possess filtering capability mostly, and the sea water is not filtered directly through valve seal department, and impurity forms very easily and piles up on sealed face to cause valve seal inefficacy, the valve also loses the decompression effect, and simultaneously, current sea water is with relief pressure valve mostly need carry out the dismouting operation from the valve bottom when the maintenance, and operating space is limited in the reality, and it is very troublesome to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a seawater pressure reducing valve with a valve core capable of being replaced quickly so as to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the seawater pressure reducing valve with the valve core capable of being replaced quickly comprises a valve body, wherein the outer walls of two sides of the valve body are respectively provided with a water inlet hole and a water outlet hole, the top of the valve body is fixedly connected with a valve cover through a bolt, the top of the valve body is provided with a valve core shell in a penetrating way, the bottom end of the valve core shell is positioned at the communication position of the water inlet hole and the water outlet hole, the outer wall of the valve core shell positioned in the water inlet hole is provided with a plurality of water through holes in a penetrating way, the outer wall of the valve core shell positioned in the water inlet is sleeved with an annular filter screen, the outer walls of the valve core shell positioned at the upper side and the lower side of the water inlet are hermetically connected with the inner wall of the valve body through sealing rings, a valve rod is movably arranged at the center of the valve core shell in a penetrating way, the bottom end of the valve rod penetrates through the bottom opening of the valve core shell and then is fixedly connected with a valve clack, a sealing gasket is embedded in the surface of the valve clack, and the top of the sealing gasket is attached to the bottom end of the valve core shell;
the outer wall of the valve rod is fixedly provided with a limiting ring, the outer wall of the valve rod is positioned above the limiting ring and movably sleeved with a top block, the outer wall of the valve rod is positioned above the top block and sequentially sleeved with a diaphragm and a first pressing plate from bottom to top, the diaphragm and the first pressing plate are both positioned in a valve cover, the top of the first pressing plate is provided with a valve adjusting spring, the top of the valve adjusting spring is provided with a second pressing plate, the top of the valve cover is provided with an adjusting bolt in a penetrating manner, the outer wall of the adjusting bolt is in threaded connection with a nut, the nut is fixedly connected with the top of the valve cover, the bottom end of the adjusting bolt abuts against the top of the second pressing plate, the outer wall of the valve cover is provided with an air vent in a penetrating manner, and the edges of the valve core shell and the diaphragm are tightly pressed and fixed between the valve cover and the valve body;
the top of the valve body is provided with a first through hole in a penetrating manner, and the top of the valve core shell is provided with a plurality of second through holes in a penetrating manner.
As a further scheme of the utility model: the top of the valve rod is in threaded connection with a compression nut, and the compression nut fixes the first pressing plate, the diaphragm and the top block between the compression nut and the limiting ring.
As a further scheme of the utility model: the outer wall of the ejector block is movably and hermetically connected with the inner wall of the valve core shell through a sealing ring.
As a further scheme of the utility model: a first cavity is arranged between the valve core shell and the valve body and is communicated with the water outlet hole through a first through hole, a second cavity is arranged between the valve core shell and the diaphragm and is communicated with the first cavity through a second through hole.
As a still further scheme of the utility model: the valve core is characterized in that an annular groove is formed in the corresponding position of the outer wall of the valve core shell and the diaphragm, the diaphragm is located in the annular groove, and the outer diameters of the diaphragm and the valve clack are smaller than the outer diameter of the sealing connection position of the valve core shell and the valve body.
As a still further scheme of the utility model: the top threaded connection of valve gap has the top cap, nut and adjusting bolt all are located the top cap.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the valve core shell, when the pressure reducing valve needs to be maintained, the valve core shell, the diaphragm, the pressing plate, the jacking block, the valve rod, the valve clack, the sealing gasket and the like can be upwards drawn out from the valve body only by loosening the bolt for connecting the valve body and the valve cover, so that the operation is simple and rapid, and the maintenance difficulty of the seawater pressure reducing valve is greatly reduced.
2. According to the utility model, the annular filter screen is arranged, so that seawater entering the valve core shell can be effectively filtered, the entering of impurities is reduced, the accumulation of a large amount of foreign matters on the sealing gasket is avoided, and the sealing and pressure reducing effects are ensured.
Drawings
Fig. 1 is a schematic structural diagram of a quick-replaceable valve core seawater pressure reducing valve.
Fig. 2 is a schematic structural diagram of a valve core housing in a seawater pressure reducing valve with a quick replaceable valve core.
The valve comprises a valve body 1, a water inlet hole 2, a water outlet hole 3, a first through hole 4, a valve core shell 5, a second through hole 6, a diaphragm 7, a first pressing plate 8, a valve rod 9, a valve cover 10, a vent hole 11, a valve adjusting spring 12, a second pressing plate 13, a nut 14, an adjusting bolt 15, a top cover 16, an annular filter screen 17, a limiting ring 18, a top block 19, a valve clack 20 and a sealing gasket 21.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have the particular orientations, configurations and operations described in the specification, and therefore are not to be considered limiting.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1-2, in the embodiment of the utility model, the seawater pressure reducing valve with a quick replaceable valve element comprises a valve body 1, wherein the outer walls of two sides of the valve body 1 are respectively provided with a water inlet hole 2 and a water outlet hole 3, the top of the valve body 1 is fixedly connected with a valve cover 10 through a bolt, the top of the valve body 1 is provided with a valve element shell 5 in a penetrating way, the bottom end of the valve element shell 5 is positioned at the communication position of the water inlet hole 2 and the water outlet hole 3, the outer wall of the valve element shell 5 positioned in the water inlet hole 2 is provided with a plurality of water through holes in a penetrating way, the outer wall of the valve element shell 5 positioned in the water inlet hole 2 is sleeved with an annular filter screen 17, the water through holes are positioned at the inner side of the annular filter screen 17, the outer walls of the valve element shell 5 positioned at the upper side and the lower side of the water inlet hole 2 are both connected with the inner wall of the valve body 1 in a sealing way through sealing rings, the center of the valve element shell 5 is movably provided with a penetrating way of a valve rod 9, the bottom end of the valve rod 9 is fixedly connected with a valve flap 20 after penetrating through the bottom opening of the valve element shell 5, the surface of the valve clack 20 is embedded with a sealing gasket 21, and the top of the sealing gasket 21 is attached to the bottom end of the valve core shell 5.
A limit ring 18 is fixedly arranged on the outer wall of the valve rod 9, a top block 19 is movably sleeved on the outer wall of the valve rod 9 above the limit ring 18, the outer wall of the valve rod 9 is positioned above the top block 19 and is sequentially sleeved with a diaphragm 7 and a first pressing plate 8 from bottom to top, the diaphragm 7 and the first pressure plate 8 are both positioned in the valve cover 10, the top of the first pressure plate 8 is provided with a valve adjusting spring 12, a second pressure plate 13 is arranged at the top of the valve adjusting spring 12, an adjusting bolt 15 is arranged at the top of the valve cover 10 in a penetrating manner, the outer wall of the adjusting bolt 15 is connected with a nut 14 in a threaded manner, the nut 14 is fixedly connected with the top of the valve cover 10, the bottom end of the adjusting bolt 15 is abutted against the top of the second pressure plate 13, the outer wall of the valve cover 10 is provided with a vent hole 11 in a penetrating way, the edges of the valve core shell 5 and the membrane 7 are tightly pressed and fixed between the valve cover 10 and the valve body 1;
the top of the valve body 1 is provided with a first through hole 4 in a penetrating manner, and the top of the valve core shell 5 is provided with a plurality of second through holes 6 in a penetrating manner.
The top of the valve rod 9 is in threaded connection with a compression nut, and the first pressure plate 8, the diaphragm 7 and the top block 19 are fixed between the compression nut and the limiting ring 18 by the compression nut.
The outer wall of the top block 19 is movably and hermetically connected with the inner wall of the valve core shell 5 through a sealing ring.
A first cavity is arranged between the valve core shell 5 and the valve body 1 and is communicated with the water outlet hole 3 through a first through hole 4, a second cavity is arranged between the valve core shell 5 and the diaphragm 7 and is communicated with the first cavity through a second through hole 6.
An annular groove is formed in the position, corresponding to the diaphragm 7, of the outer wall of the valve core shell 5, the diaphragm 7 is located in the annular groove, and the outer diameters of the diaphragm 7 and the valve clack 20 are smaller than the outer diameter of the position, where the valve core shell 5 is in sealing connection with the valve body 1.
The top of the valve cover 10 is in threaded connection with a top cover 16, the nut 14 and the adjusting bolt 15 are both located in the top cover 16, and the nut 14 and the adjusting bolt 15 can be well protected through the arrangement of the top cover 16.
The working principle of the utility model is as follows:
when the seawater desalination device is used, seawater enters the valve body 1 from the water inlet 2, is filtered by the annular filter screen 17 and then enters the valve core shell 5 from the water through hole on the outer wall of the valve core shell 5, when the water pressure in the water inlet 2 is too high, the valve flap 20 is pushed to move downwards, the valve rod 9 drives the top block 19, the diaphragm 7 and the first pressing plate 8 to move simultaneously, at the moment, the bottom end of the valve core shell 5 is separated from the sealing gasket 21, the seawater enters the water outlet 3 and is discharged, the seawater in the water outlet 3 enters the first chamber and the second chamber through the first through hole 4 and the second through hole 6, when the water pressure in the water outlet 3 is too high, the seawater in the second chamber jacks the diaphragm 7 upwards, and then the valve rod 9 drives the valve flap 20 to move upwards to reduce the spacing distance between the sealing gasket 21 and the bottom opening of the valve core shell 5, so as to reduce the flow rate of the seawater and reduce the water pressure in the water outlet 3, the purpose of pressure reduction is achieved.
According to the utility model, the annular filter screen 17 is arranged, so that seawater entering the valve core shell 5 can be effectively filtered, the entering of impurities is reduced, the accumulation of a large amount of foreign matters on the sealing gasket 21 is avoided, and the sealing and pressure reducing effects are ensured.
According to the utility model, through the arrangement of the valve core shell 5, when the pressure reducing valve needs to be maintained, the valve core shell 5, the diaphragm 7, the first pressure plate 8, the top block 19, the valve rod 9, the valve clack 20, the sealing gasket 21 and the like can be pulled out upwards from the valve body 1 only by loosening the bolts for connecting the valve body 1 and the valve cover 10, so that the operation is simple and rapid, and the maintenance difficulty of the seawater pressure reducing valve is greatly reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. But quick replacement case sea water relief pressure valve, including valve body (1), its characterized in that: the water inlet valve is characterized in that the outer walls of two sides of the valve body (1) are respectively provided with a water inlet hole (2) and a water outlet hole (3), the top of the valve body (1) is fixedly connected with a valve cover (10) through bolts, the top of the valve body (1) is provided with a valve core shell (5) in a penetrating manner, the bottom end of the valve core shell (5) is positioned at the communication position of the water inlet hole (2) and the water outlet hole (3), the outer wall of the valve core shell (5) positioned in the water inlet hole (2) is provided with a plurality of water through holes in a penetrating manner, the outer wall of the valve core shell (5) positioned in the water inlet hole (2) is sleeved with an annular filter screen (17), the outer walls of the valve core shell (5) positioned at the upper side and the lower side of the water inlet hole (2) are both connected with the inner wall of the valve body (1) in a sealing manner through sealing rings, the center of the valve core shell (5) is movably provided with a valve rod (9) in a penetrating manner, the bottom end of the valve rod (9) penetrates through the bottom opening of the valve core shell (5) and then is fixedly connected with a valve flap (20), a sealing gasket (21) is embedded into the surface of the valve clack (20), and the top of the sealing gasket (21) is attached to the bottom end of the valve core shell (5);
the outer wall of the valve rod (9) is fixedly provided with a limiting ring (18), the outer wall of the valve rod (9) is located above the limiting ring (18) and movably sleeved with a top block (19), the outer wall of the valve rod (9) is located above the top block (19) and sequentially sleeved with a diaphragm (7) and a first pressing plate (8) from bottom to top, the diaphragm (7) and the first pressing plate (8) are both located in a valve cover (10), the top of the first pressing plate (8) is provided with a valve adjusting spring (12), the top of the valve adjusting spring (12) is provided with a second pressing plate (13), the top of the valve cover (10) is provided with an adjusting bolt (15) in a penetrating manner, the outer wall of the adjusting bolt (15) is in threaded connection with a nut (14), the nut (14) is fixedly connected with the top of the valve cover (10), and the bottom end of the adjusting bolt (15) is abutted against the top of the second pressing plate (13), the outer wall of the valve cover (10) is provided with a vent hole (11) in a penetrating manner, and the edges of the valve core shell (5) and the membrane (7) are tightly pressed and fixed between the valve cover (10) and the valve body (1);
the top of the valve body (1) is provided with a first through hole (4) in a penetrating mode, and the top of the valve core shell (5) is provided with a plurality of second through holes (6) in a penetrating mode.
2. The quick-change spool seawater pressure reducing valve of claim 1, wherein: the top of the valve rod (9) is in threaded connection with a compression nut, and the compression nut fixes the first pressure plate (8), the diaphragm (7) and the top block (19) between the compression nut and the limiting ring (18).
3. The quick-change spool seawater pressure reducing valve of claim 1, wherein: the outer wall of the ejector block (19) is movably and hermetically connected with the inner wall of the valve core shell (5) through a sealing ring.
4. The quick-change spool seawater pressure reducing valve of claim 1, wherein: a first cavity is arranged between the valve core shell (5) and the valve body (1), the first cavity is communicated with the water outlet hole (3) through a first through hole (4), a second cavity is arranged between the valve core shell (5) and the diaphragm (7), and the second cavity is communicated with the first cavity through a second through hole (6).
5. The quick-change spool seawater pressure reducing valve of claim 1, wherein: the outer wall of the valve core shell (5) is provided with an annular groove at the position corresponding to the diaphragm (7), the diaphragm (7) is positioned in the annular groove, and the outer diameters of the diaphragm (7) and the valve clack (20) are smaller than the outer diameter of the sealing connection position of the valve core shell (5) and the valve body (1).
6. The quick-change spool seawater pressure reducing valve of claim 1, wherein: the top of the valve cover (10) is in threaded connection with a top cover (16), and the nut (14) and the adjusting bolt (15) are both located in the top cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714729.7U CN216279615U (en) | 2021-07-27 | 2021-07-27 | Seawater pressure reducing valve with quickly replaceable valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714729.7U CN216279615U (en) | 2021-07-27 | 2021-07-27 | Seawater pressure reducing valve with quickly replaceable valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216279615U true CN216279615U (en) | 2022-04-12 |
Family
ID=81057936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121714729.7U Active CN216279615U (en) | 2021-07-27 | 2021-07-27 | Seawater pressure reducing valve with quickly replaceable valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216279615U (en) |
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2021
- 2021-07-27 CN CN202121714729.7U patent/CN216279615U/en active Active
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