CN220016211U - Pressure balance type quick stop valve - Google Patents
Pressure balance type quick stop valve Download PDFInfo
- Publication number
- CN220016211U CN220016211U CN202321633790.8U CN202321633790U CN220016211U CN 220016211 U CN220016211 U CN 220016211U CN 202321633790 U CN202321633790 U CN 202321633790U CN 220016211 U CN220016211 U CN 220016211U
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- Prior art keywords
- seat
- stop valve
- communication
- pressure
- wall
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- 238000010030 laminating Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a pressure balance type quick stop valve, which comprises a stop valve main body, wherein a constant pressure component is arranged in the stop valve main body and comprises a communication seat, and the communication seat is used for adjusting the pressure at two sides of the stop valve main body. This quick stop valve of pressure balance formula when the pressure of second connector department is too big for first connector department for first air inlet removes when overlapping with first connector, collects the medium of second connector department, reduces the pressure that the second connector is in, and when the pressure of first connector department is too big, first connector is linked together with the second connector, collects the medium of first connector department, reduces the pressure that first connector is in, guarantees that first connector is in the pressure difference with the second connector and is in suitable range.
Description
Technical Field
The utility model relates to a pressure balance type quick stop valve.
Background
The stop valve relies on valve rod pressure, makes the sealed face of valve clack and the sealed face of disk seat closely laminate, prevents the medium circulation, through applying moment of torsion to the valve rod, the valve rod is in axial direction to the valve clack application of pressure, makes the sealed face of valve clack and the sealed face of disk seat closely laminate, prevents the medium and leaks along the gap between the sealed face.
In the prior art, the valve rod is adjusted to adjust the position of the valve clack, so that two connectors of the two stop valves are sealed, and medium circulation is prevented.
But only can seal through the stop valve among the prior art, can't adjust the pressure of the connector department that the stop valve both sides are connected, when the pressure differential of two connectors is too big for the opening of valve clack is comparatively difficult, when opening the valve clack simultaneously, and pressure differential is too big, leads to the medium to flow sooner, and is great to the stop valve punching press, causes the damage to the stop valve.
Disclosure of Invention
The utility model aims to provide a pressure balance type quick stop valve aiming at the defects of the prior art, and solves the problem that the pressure at a connecting port connected with two sides of the stop valve cannot be adjusted.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a quick stop valve of pressure balance formula, includes the stop valve main part, first connector and second connector have been seted up on the inner wall of stop valve main part respectively, the inside fixedly connected with seal receptacle of stop valve main part, the laminating has the valve clack on the inner wall of seal receptacle and stop valve main part, the upper surface of stop valve main part is provided with the valve gap, threaded connection has the valve rod on the inner wall of valve gap, the inside of stop valve main part is provided with the constant voltage subassembly, and the constant voltage subassembly includes the intercommunication seat, the intercommunication seat rotates with the valve rod to be connected, intercommunication seat and valve clack fixed connection, the intercommunication seat is used for adjusting the pressure of stop valve main part both sides.
Preferably, the inner wall of the communication seat is slidably connected with a sliding seat, the upper surface of the sliding seat is fixedly connected with a fixing seat, and the fixing seat is slidably connected on the inner wall of the communication seat.
Preferably, the lower surface of the fixed seat is fixedly connected with a spring, and the other end of the spring is connected to the inner wall of the communication seat.
Preferably, a first communication port is formed in the inner wall of the communication seat, one end of the first communication port is connected with a first connecting pipe, and the first connecting pipe is fixedly connected to the inner wall of the stop valve main body.
Preferably, a first air inlet is formed in the inner wall of the sliding seat, and the first air inlet is communicated with the second connecting port.
Preferably, a second communication port is formed in the inner wall of the communication seat, and the second communication port is communicated with the inside of the communication seat.
Preferably, the end part of the second communication port is connected with a second connecting pipe, and the second connecting pipe is fixedly connected to the inner wall of the stop valve main body.
Preferably, a plurality of second air inlets are formed in the upper surface of the communication seat, and the second air inlets are communicated with the first communication port.
The utility model discloses a pressure balance type quick stop valve, which has the following beneficial effects: when the pressure at the second connecting port is overlarge relative to the first connecting port, the first air inlet moves to be overlapped with the first connecting port, at the moment, the medium at the second connecting port is collected through the first connecting port and the first connecting pipe, the pressure at the second connecting port is reduced until the first connecting port is separated from the first air inlet, the second connecting port is sealed again, and the pressure difference between the first connecting port and the second connecting port is ensured to be in a proper range.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the main body of the stop valve of the present utility model;
FIG. 3 is a schematic view of the internal structure of the communication seat according to the present utility model;
fig. 4 is an enlarged view of a of fig. 3 according to the present utility model.
In the figure: 1. a shutoff valve body; 101. a first connection port; 102. a second connection port; 103. a sealing seat; 104. a valve flap; 2. a valve cover; 3. a valve stem; 4. a communication seat; 401. a sliding seat; 402. a fixing seat; 403. a spring; 5. a first connection pipe; 501. a first communication port; 502. a first air inlet; 6. a second connection pipe; 601. a second communication port; 602. and a second air inlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are 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.
According to the embodiment of the utility model, by providing the pressure balance type quick stop valve, the problem that the pressure at the connecting ports connected with two sides of the stop valve cannot be regulated, when the pressure difference between the two connecting ports is too large, the valve clack 104 is difficult to open, meanwhile, when the valve clack 104 is opened, the pressure difference is too large, the medium flows faster, the stop valve is punched to be larger, and the stop valve is damaged is solved, when the pressure at the second connecting port 102 is too large relative to the first connecting port 101, the first air inlet 502 moves to be overlapped with the first connecting port 501, the medium at the second connecting port 102 is collected, the pressure at the second connecting port 102 is reduced, when the pressure at the first connecting port 101 is too large, the medium at the first connecting port 101 is communicated with the second connecting port 601, the pressure at the first connecting port 101 is reduced, and the pressure difference between the first connecting port 101 and the second connecting port 102 is ensured to be in a proper range.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
The embodiment of the utility model discloses a pressure balance type quick stop valve.
According to the drawings 1-4, the stop valve comprises a stop valve body 1, wherein a first connecting port 101 and a second connecting port 102 are respectively formed in the inner wall of the stop valve body 1, a sealing seat 103 is fixedly connected in the stop valve body 1, a valve clack 104 is attached to the inner wall of the sealing seat 103 and the stop valve body 1, and the valve clack 104 seals the first connecting port 101 and the second connecting port 102 by being attached to the sealing seat 103 and the inner wall of the stop valve body 1;
the upper surface of the stop valve main body 1 is provided with a valve cover 2, the inner wall of the valve cover 2 is connected with a valve rod 3 in a threaded manner, and the valve rod 3 moves relative to the valve cover 2 by rotating the valve rod 3;
the inside of stop valve main part 1 is provided with the constant voltage subassembly, and the constant voltage subassembly includes intercommunication seat 4, and intercommunication seat 4 rotates with valve rod 3 to be connected, and intercommunication seat 4 and valve clack 104 fixed connection, and intercommunication seat 4 are used for adjusting the pressure of stop valve main part 1 both sides, and when valve rod 3 rotated and removes, valve rod 3 drove intercommunication seat 4 and remove this moment for valve clack 104 removes thereupon, thereby adjusts the position of valve clack 104, accomplishes sealing or the intercommunication to first connector 101 and second connector 102.
The sliding seat 401 is slidably connected to the inner wall of the communication seat 4, the fixing seat 402 is fixedly connected to the upper surface of the sliding seat 401, the fixing seat 402 is slidably connected to the inner wall of the communication seat 4, when the pressure at the second connection port 102 is too large relative to the first connection port 101, the fixing seat 402 is pushed to move, and the fixing seat 402 drives the sliding seat 401 to slide under the movement of the fixing seat 402.
The lower surface fixedly connected with spring 403 of fixing base 402, the other end of spring 403 is connected on the inner wall of intercommunication seat 4, and when fixing base 402 moved, fixing base 402 drove spring 403 and moved this moment, and spring 403 was stretched this moment.
The inner wall of the communication seat 4 is provided with a first communication port 501, one end of the first communication port 501 is connected with a first connecting pipe 5, the first connecting pipe 5 is fixedly connected to the inner wall of the stop valve main body 1, the inner wall of the sliding seat 401 is provided with a first air inlet 502, and the first air inlet 502 is communicated with the second connecting port 102.
When the fixed seat 402 drives the sliding seat 401 to move, so that the first air inlet 502 moves to coincide with the first communication port 501, at this time, a medium at the second connection port 102 enters the first connection pipe 5 through the first communication port 501, is connected with the collecting tank under the action of the first connection pipe 5, and collects the medium at the second connection port 102, so that the pressure at the second connection port 102 is reduced;
when the medium is gradually collected, the pressure at the second connection port 102 gradually decreases, and at this time, under the rebound of the spring 403 and the pressure above the fixed seat 402, the sliding seat 401 and the fixed seat 402 move reversely until the first communication port 501 is separated from the first air inlet 502, so that the second connection port 102 is sealed again, and the pressure difference between the first connection port 101 and the second connection port 102 is ensured to be in a proper range.
The upper surface of the communication seat 4 is provided with a plurality of second air inlets 602, the second air inlets 602 are communicated with the first communication port 101, when the pressure at the first communication port 101 is overlarge, a medium at the first communication port 101 enters the communication seat 4 through the second air inlets 602, the fixed seat 402 is pushed to move at the moment, and the spring 403 is compressed under the movement of the fixed seat 402;
the inner wall of the communication seat 4 is provided with a second communication port 601, the second communication port 601 is communicated with the inside of the communication seat 4, the end part of the second communication port 601 is connected with a second connecting pipe 6, the second connecting pipe 6 is fixedly connected to the inner wall of the stop valve main body 1, when the fixed seat 402 is positioned below the second communication port 601, the first communication port 101 is communicated with the second communication port 601 at this time, a medium at the first communication port 101 enters the second connecting pipe 6 through the second communication port 601, the medium at the first communication port 101 is connected with a collecting tank under the action of the second connecting pipe 6, and the medium at the first communication port 101 is collected, so that the pressure of the first communication port 101 is reduced;
when the medium is gradually collected, the pressure at the first connection port 101 gradually decreases, and at this time, under the rebound of the spring 403 and the pressure below the fixed seat 402, the sliding seat 401 and the fixed seat 402 move reversely until the fixed seat 402 shields the first connection port 501, so that the first connection port 101 is sealed again, and the pressure difference between the first connection port 101 and the second connection port 102 is ensured to be in a proper range.
Working principle: when the pressure at the second connection port 102 is too large relative to the pressure at the first connection port 101, the fixing seat 402 is pushed to move, the spring 403 is driven to move, and at the moment, the spring 403 is stretched;
when the fixed seat 402 drives the sliding seat 401 to move so that the first air inlet 502 moves to coincide with the first communication port 501, the medium at the second connection port 102 collects the medium at the second connection port 102 through the first communication port 501 and the first connection pipe 5, and the pressure at the second connection port 102 is reduced;
when the medium is gradually collected, the pressure at the second connection port 102 is gradually reduced, and the sliding seat 401 and the fixed seat 402 reversely move until the first connection port 501 is separated from the first air inlet 502, so that the second connection port 102 is sealed again, and the pressure difference between the first connection port 101 and the second connection port 102 is ensured to be in a proper range;
when the pressure at the first connecting port 101 is too high, the medium at the first connecting port 101 enters the connecting seat 4 through the second air inlet 602, the fixing seat 402 is pushed to move, and the spring 403 is compressed under the movement of the fixing seat 402;
when the fixing seat 402 is below the second communication port 601, at this time, the first communication port 101 is communicated with the second communication port 601, and the medium at the first communication port 101 collects the medium at the first communication port 101 through the second communication port 601 and the second connection pipe 6, so as to reduce the pressure at the first communication port 101;
when the medium is gradually collected, the pressure at the first connection port 101 is gradually reduced, and the sliding seat 401 and the fixed seat 402 move reversely until the fixed seat 402 shields the first connection port 501, so that the first connection port 101 is sealed again, and the pressure difference between the first connection port 101 and the second connection port 102 is ensured to be in a proper range.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a pressure balance type quick stop valve, includes stop valve main part (1), first connector (101) and second connector (102) have been seted up respectively on the inner wall of stop valve main part (1), the inside fixedly connected with seal receptacle (103) of stop valve main part (1), laminating has valve clack (104) on the inner wall of seal receptacle (103) and stop valve main part (1), the upper surface of stop valve main part (1) is provided with valve gap (2), threaded connection has valve rod (3) on the inner wall of valve gap (2), its characterized in that: the inside of the stop valve main body (1) is provided with a constant pressure component, the constant pressure component comprises a communication seat (4), the communication seat (4) is rotationally connected with the valve rod (3), the communication seat (4) is fixedly connected with the valve clack (104), and the communication seat (4) is used for adjusting the pressure at two sides of the stop valve main body (1);
the inner wall of the communication seat (4) is connected with a sliding seat (401) in a sliding manner, the upper surface of the sliding seat (401) is fixedly connected with a fixed seat (402), and the fixed seat (402) is connected on the inner wall of the communication seat (4) in a sliding manner;
the lower surface of the fixed seat (402) is fixedly connected with a spring (403), and the other end of the spring (403) is connected to the inner wall of the communication seat (4);
the inner wall of the communication seat (4) is provided with a first communication port (501), one end of the first communication port (501) is connected with a first connecting pipe (5), and the first connecting pipe (5) is fixedly connected to the inner wall of the stop valve main body (1).
2. The pressure balanced quick shut-off valve according to claim 1, wherein: the inner wall of the sliding seat (401) is provided with a first air inlet (502), and the first air inlet (502) is communicated with the second connecting port (102).
3. The pressure balanced quick shut-off valve according to claim 1, wherein: the inner wall of the communication seat (4) is provided with a second communication port (601), and the second communication port (601) is communicated with the inside of the communication seat (4).
4. A pressure balanced quick shut-off valve according to claim 3, wherein: the end part of the second communication port (601) is connected with a second connecting pipe (6), and the second connecting pipe (6) is fixedly connected to the inner wall of the stop valve main body (1).
5. The pressure balanced quick shut-off valve according to claim 1, wherein: a plurality of second air inlets (602) are formed in the upper surface of the communication seat (4), and the second air inlets (602) are communicated with the first communication ports (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321633790.8U CN220016211U (en) | 2023-06-26 | 2023-06-26 | Pressure balance type quick stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321633790.8U CN220016211U (en) | 2023-06-26 | 2023-06-26 | Pressure balance type quick stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220016211U true CN220016211U (en) | 2023-11-14 |
Family
ID=88670921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321633790.8U Active CN220016211U (en) | 2023-06-26 | 2023-06-26 | Pressure balance type quick stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220016211U (en) |
-
2023
- 2023-06-26 CN CN202321633790.8U patent/CN220016211U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |