CN215763349U - High-pressure balanced type regulating valve - Google Patents
High-pressure balanced type regulating valve Download PDFInfo
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- CN215763349U CN215763349U CN202023349096.2U CN202023349096U CN215763349U CN 215763349 U CN215763349 U CN 215763349U CN 202023349096 U CN202023349096 U CN 202023349096U CN 215763349 U CN215763349 U CN 215763349U
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Abstract
The utility model discloses a high-pressure balanced type regulating valve, which is used for protecting a sealing structure of the high-pressure balanced type regulating valve and belongs to the technical field of valves; the structure comprises a valve body, a lower valve body, a valve cage seat and a valve core, wherein a combined sealing piece is arranged on the valve core, the combined sealing piece is a multi-ring sealing structure arranged around the valve core, a guide groove is formed in the periphery of the valve core, and a guide sleeve ring is arranged in the guide groove; the utility model can effectively protect the smooth surface of the valve cage seat, prevent small particles from entering the sealing ring, prolong the service life of the valve and ensure the long-period operation of the whole system.
Description
Technical Field
A high-pressure balanced type regulating valve is used for protecting a sealing structure of the high-pressure balanced type regulating valve and belongs to the technical field of valves.
Background
The balance type adjusting valve has wide application field, the balance type structure has more sealing types, the balance type structure has the functions of packing and sealing, the balance type structure has the functions of sealing by using an O-shaped sealing ring and sealing by means of reverse sealing with medium pressure, but the sealing modes can not effectively protect the sealing position, because a fluid medium can carry a part of impurities such as small particles and the like in the using process of the valve, the sealing position is very fragile, the effective sealing effect can not be realized by slight scratch, particularly, in a high-pressure urea device, the fluid medium corrodes the valve internal part once, the surface of the internal part becomes rough, the sealing ring can be damaged as long as the valve moves up and down, and the service life of the valve is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the high-pressure balanced regulating valve can effectively protect the smooth surface of a valve cage seat, prevent small particles from entering a sealing ring, prolong the service life of the valve and ensure the long-period operation of the whole system.
The technical scheme adopted by the utility model is as follows:
in order to achieve the purpose, the utility model provides a high-pressure balanced type regulating valve which comprises a valve body, a lower valve body, a valve cage seat and a valve core, wherein a combined sealing piece is arranged on the valve core, the combined sealing piece is a multi-ring sealing structure arranged around the valve core, a guide groove is formed in the periphery of the valve core, and a guide sleeve ring is arranged in the guide groove.
Preferably, a first sealing groove, a second sealing groove and a third sealing groove are sequentially formed in the periphery of the valve core, a first sealing ring, a second sealing ring and a third sealing ring are correspondingly arranged in the first sealing groove, the second sealing groove and the third sealing groove, and the guide groove is formed between the first sealing groove and the second sealing groove.
Preferably, the first seal ring position when the valve is fully opened is lower than the guide collar position when the valve is fully closed, and the second seal ring position when the valve is fully opened is lower than the third seal ring position when the valve is fully closed.
Preferably, the bottom of the valve cage seat is provided with an inlet runner, the side surface of the valve cage seat is provided with an outlet runner, the lower valve body is provided with a lower valve body runner, and the valve body is provided with a valve body runner.
Preferably, the lower valve body and the lower valve body are connected together by bolts.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the first sealing ring, the second sealing ring and the third sealing ring are arranged to form a combined sealing structure, and the guide sleeve ring is matched to form a protection area, so that the contact area of the upper inner wall of the valve cage seat and the second sealing ring and the guide sleeve ring is effectively protected, the smooth surface of the valve cage seat is effectively protected, small particles can be prevented from entering the sealing rings, the service life of the valve is prolonged, and the long-period operation of the whole system is ensured.
2. According to the utility model, the first sealing ring, the second sealing ring and the third sealing ring are arranged to form a combined sealing structure and are matched with the guide sleeve ring, wherein the first sealing ring and the third sealing ring can protect the second sealing ring and the guide sleeve ring, so that the technical problems that the sealing rings are easy to damage and cannot form effective sealing are solved, and the service life of the sealing rings is prolonged.
Drawings
The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the overall structure of a balanced type regulating valve;
FIG. 2 is a schematic structural diagram of the valve in different states, wherein a is a schematic structural diagram of the valve when the valve is fully closed; b is the structural schematic diagram when the valve is fully opened.
Labeled as: 1-valve body, 101-valve body flow passage, 2-lower valve body, 201-lower valve body flow passage, 3-bolt, 4-valve cage seat, 5-valve core, 501-first sealing groove, 502-guide groove, 503-second sealing groove, 504-third sealing groove, 6-inlet flow passage, 7-outlet flow passage, 8-combined sealing element, 801-first sealing ring, 802-second sealing ring, 803-third sealing ring and 9-guide lantern ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the embodiment provides a high-pressure balanced type regulating valve, which includes a valve body 1, a valve cage seat 4 and a valve core 5, wherein the lower part of the valve body 1 is connected with a lower valve body 2 through a bolt 3, the valve cage seat 4 is arranged inside the valve body 1, an inlet runner 6 is arranged at the bottom of the valve cage seat 4, an outlet runner 7 is arranged on the side surface of the valve cage seat 4, a lower valve body runner 201 is arranged on the lower valve body 2, a valve body runner 101 is arranged on the valve body 1, and the valve core 5 is arranged inside the valve cage seat 4;
the combined sealing element 8 is arranged on the valve core 5, a smooth surface which is contacted with the combined sealing element 8 is arranged on the inner wall of the valve cage seat 4, the combined sealing element 8 is a multi-ring sealing structure which is arranged around the valve core 5 and comprises a first sealing ring, a second sealing ring and a third sealing ring, a first sealing groove 501, a second sealing groove 503 and a third sealing groove 504 are sequentially arranged on the periphery of the valve core 5, and a first sealing ring 801, a second sealing ring 802 and a third sealing ring 803 are correspondingly arranged in the first sealing groove 501, the second sealing groove 503 and the third sealing groove 504; the periphery of the valve core 5 is further provided with a guide groove 502, the guide groove 502 is arranged between the first sealing groove 501 and the second sealing groove 503, a guide sleeve ring 9 is arranged in the guide groove 502, and the guide groove 502 and the guide sleeve ring 9 can play a role in fixing the valve core 5 and keeping the same center with the valve cage seat 4, so that the sealing effect is ensured.
In the utility model, because three sealing and one guiding part are arranged, when the valve is fully opened, the position of the first sealing ring 801 is lower than the position of the guiding lantern ring 9 when the valve is fully closed, and simultaneously, the position of the second sealing ring 802 when the valve is fully opened is lower than the position of the third sealing ring 803 when the valve is fully closed, a protection area (as shown in figure 2) is formed on the inner wall of the valve cage seat, and the protection area can play a role of protecting the inner wall of the valve cage seat in the protection area in the running process of the valve; when the valve is fully closed, a medium is blocked outside by the first sealing ring 801 and the third sealing ring 803, when the valve is fully opened, the medium is also blocked outside by the first sealing ring 801 and the third sealing ring 803, the second sealing ring 802 and the guide lantern ring 9 are always positioned inside, and thus the first sealing ring 801 and the third sealing ring 803 can protect the second sealing ring 802 and the guide lantern ring 9, the technical problems that the sealing rings are easy to damage and effective sealing cannot be formed are solved, and the service life of the sealing rings is prolonged.
Through designing first sealing washer 801, second sealing washer 802 and third sealing washer 803 and forming combined seal structure, cooperation direction lantern ring 9 simultaneously, can go up the inner wall to the valve cage seat 4 and effectively protect with the whole region that second sealing washer 802 and direction lantern ring 9 contacted, protect the smooth surface of valve cage seat 4 effectively to inside can preventing little particulate matter to enter into the sealing washer, the life of extension valve guarantees entire system's long-period operation.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (5)
1. The utility model provides a high pressure balanced type governing valve, includes valve body (1), lower valve body (2), valve cage seat (4) and case (5), its characterized in that, be equipped with combined seal (8) on case (5), combined seal (8) are the many rings of seal structure that set up around case (5), guide way (502) have been seted up in case (5) periphery, be equipped with direction lantern ring (9) in guide way (502).
2. The high pressure balanced type regulating valve according to claim 1, wherein a first sealing groove (501), a second sealing groove (503) and a third sealing groove (504) are sequentially formed in the outer periphery of the valve core (5), a first sealing ring (801), a second sealing ring (802) and a third sealing ring (803) are correspondingly arranged in the first sealing groove (501), the second sealing groove (503) and the third sealing groove (504), and the guide groove (502) is arranged between the first sealing groove (501) and the second sealing groove (503).
3. The high pressure balanced regulator valve of claim 2 wherein the first seal (801) is positioned lower when the valve is fully open than the guide collar (9) when the valve is fully closed, and wherein the second seal (802) is positioned lower when the valve is fully open than the third seal (803) when the valve is fully closed.
4. The high-pressure balanced regulating valve according to claim 1, wherein the bottom of the valve cage seat (4) is provided with an inlet flow passage (6), the side of the valve cage seat (4) is provided with an outlet flow passage (7), the lower valve body (2) is provided with a lower valve body flow passage (201), and the valve body (1) is provided with a valve body flow passage (101).
5. The high pressure balanced regulator valve according to claim 1, wherein the lower part of the valve body (1) and the lower valve body (2) are connected together by bolts (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023349096.2U CN215763349U (en) | 2020-12-31 | 2020-12-31 | High-pressure balanced type regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023349096.2U CN215763349U (en) | 2020-12-31 | 2020-12-31 | High-pressure balanced type regulating valve |
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| Publication Number | Publication Date |
|---|---|
| CN215763349U true CN215763349U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023349096.2U Active CN215763349U (en) | 2020-12-31 | 2020-12-31 | High-pressure balanced type regulating valve |
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| CN (1) | CN215763349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733418A (en) * | 2023-08-11 | 2023-09-12 | 山东中力高压阀门股份有限公司 | Ultra-high pressure fracturing valve with sand prevention structure |
-
2020
- 2020-12-31 CN CN202023349096.2U patent/CN215763349U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733418A (en) * | 2023-08-11 | 2023-09-12 | 山东中力高压阀门股份有限公司 | Ultra-high pressure fracturing valve with sand prevention structure |
| CN116733418B (en) * | 2023-08-11 | 2023-11-03 | 山东中力高压阀门股份有限公司 | Ultra-high pressure fracturing valve with sand prevention structure |
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