CN219975449U - Ball valve ball for preventing phase change overpressure - Google Patents
Ball valve ball for preventing phase change overpressure Download PDFInfo
- Publication number
- CN219975449U CN219975449U CN202321479857.7U CN202321479857U CN219975449U CN 219975449 U CN219975449 U CN 219975449U CN 202321479857 U CN202321479857 U CN 202321479857U CN 219975449 U CN219975449 U CN 219975449U
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- rod
- main shaft
- pipeline
- valve
- ball
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- 230000008859 change Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of ball valves and discloses a ball valve ball for preventing phase change overpressure, which comprises a main shaft rod, wherein the bottom of the main shaft rod is connected with a valve rod, the bottom of the valve rod is provided with a ball body, the upper right side of the main shaft rod is transversely provided with a pressure relief pipeline, the top end of the main shaft rod is provided with a flow pipeline, the top of the flow pipeline is provided with a valve switch, the middle part of an inner cavity of the main shaft rod is fixedly connected with a mounting disc, and the middle part of the mounting disc is inserted with a plug rod. This prevent ball valve spheroid of phase transition superpressure makes the inside pressure accessible valve rod of spheroid evacuation flow the inside of pipeline through seting up the air vent to realize normal pressure exchange, and when the inside pressure of spheroid grow, then great pressure can promote the motion of shutoff dish, makes it plug sealing washer, thereby makes the motion of pressure promotion end cap, makes can follow the blast pipe and discharges, and then can realize the automatically regulated of spheroid inside pressure.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to a ball valve sphere for preventing phase change overpressure.
Background
In a pipeline like liquefied petroleum gas medium, when the ball valve is fully opened, a part of liquefied gas is sealed in a body cavity of the ball valve, if the ambient temperature of the valve is changed due to the change of the medium temperature, the pipeline is emptied or other reasons, for example, the temperature is raised from low temperature to normal temperature, the residual liquefied gas in the body cavity can absorb external heat and quickly evaporate, and abnormal pressure rise is caused, which is generally called a phase change overpressure phenomenon.
The common ball valve ball body is generally provided with through holes in the middle to facilitate the passage of fluid, but in the mode, when the pressure in the through holes is increased, the pressure cannot be quickly released, so that the upper packing is damaged, the medium is leaked outwards, accidents such as valve seat or valve body rupture and the like are possibly caused, the pressure release through holes are formed in the two sides of the ball body in order to prevent the occurrence of overpressure, and the pressure in the ball body cannot be quickly released due to poor through hole fluxion, so that the overpressure in the ball valve body still exists and cannot meet the working requirement of the ball valve.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a ball valve sphere for preventing phase change overpressure so as to solve the problems in the prior art.
(II) technical scheme
The utility model provides the following technical scheme: the utility model provides a prevent ball valve spheroid of phase transition superpressure, includes the main shaft pole, the bottom of main shaft pole is connected with the valve rod, the spheroid has been installed to the bottom of valve rod, the pressure release pipeline is transversely installed on the right side upper portion of main shaft pole, the circulation pipeline has been installed on the top of main shaft pole, valve switch has been installed at the top of circulation pipeline, the inner chamber middle part fixedly connected with mount pad of main shaft pole, and the middle part of mount pad has been inserted the inserted bar, the top fixedly connected with shutoff dish of inserted bar, the top right side of pressure release pipeline is connected with exhaust duct.
Preferably, the upper side and the lower side of the main shaft rod are communicated with the inner cavities of the flow pipeline and the valve rod through holes, and the surface of the flow pipeline is circumferentially provided with the flow holes.
Preferably, a vent hole is formed in the middle of the top of the sphere, an upper opening of the vent hole is communicated with the inner cavity of the valve rod, and a lower opening of the vent hole is communicated with a middle through groove of the sphere.
Preferably, the connecting cross rod is transversely inserted in the middle of the inner cavity of the pressure relief pipeline, the right end of the connecting cross rod penetrates through the right side corresponding position of the pressure relief pipeline, and the left end of the connecting cross rod is coaxially and fixedly connected with a plug.
Preferably, the outside of inserted bar is located shutoff dish and mounting disc and connects the outside of horizontal pole and all overlaps and be equipped with the spring.
Preferably, a sealing gasket is arranged outside the top opening of the main shaft rod, the sealing gasket is trapezoidal in shape, and the left opening of the pressure relief pipeline is communicated with the inner cavity of the main shaft rod.
Advantageous effects
Compared with the prior art, the utility model provides the ball valve ball for preventing phase change overpressure, which has the following beneficial effects:
this prevent ball valve spheroid of phase transition superpressure makes the inside pressure accessible valve rod of spheroid evacuation flow pipeline's inside through seting up the air vent to realize normal pressure exchange, and when the inside pressure of spheroid grow, then great pressure can promote the motion of shutoff dish, make it plug sealing washer plug, thereby make the motion of pressure promotion end cap, make can follow the blast pipe discharge, and then can realize the automatically regulated of the inside pressure of spheroid, the phenomenon of the inside superpressure that appears of spheroid has been prevented, the security that the ball valve used has been protected, and the drain velocity of the inside pressure of spheroid has been promoted.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a sphere structure according to the present utility model;
fig. 3 is a schematic view of the internal structure of the main shaft and the pressure relief pipeline according to the present utility model.
In the figure: 1. a main shaft lever; 2. a valve stem; 3. a sphere; 4. a pressure relief conduit; 41. an exhaust duct; 5. a flow conduit; 51. a flow hole; 6. a valve switch; 7. a vent hole; 8. a sealing gasket; 9. a mounting plate; 10. a plugging disc; 11. a plug; 12. connecting the cross bars; 13. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
The utility model provides a technical scheme, a ball valve ball for preventing phase change overpressure, which comprises a main shaft rod 1, a valve rod 2, a ball 3, a pressure relief pipeline 4, an exhaust pipeline 41, a flow pipeline 5, a flow hole 51, a valve switch 6, a vent hole 7, a sealing gasket 8, a mounting disc 9, a plugging disc 10, a plug 11, a connecting cross rod 12 and a spring 13, wherein the bottom of the main shaft rod 1 is connected with the valve rod 2, the ball 3 is arranged at the bottom of the valve rod 2, the pressure relief pipeline 4 is transversely arranged at the upper right side of the main shaft rod 1, the flow pipeline 5 is arranged at the top of the main shaft rod 1, the valve switch 6 is arranged at the top of the flow pipeline 5, the middle part of an inner cavity of the main shaft rod 1 is fixedly connected with the mounting disc 9, an inserted rod is inserted in the middle part of the mounting disc 9, the top of the inserted rod is fixedly connected with the plugging disc 10, and the exhaust pipeline 41 is connected at the right side of the top of the pressure relief pipeline 4.
The upper and lower sides of the main shaft lever 1 are communicated with the inner cavities of the flow pipeline 5 and the valve rod 2 through holes, and the surface of the flow pipeline 5 is circumferentially provided with flow holes 51.
Referring to fig. 2, a vent hole 7 is provided at the middle position of the top of the ball body 3, and an upper opening of the vent hole 7 is communicated with the inner cavity of the valve rod 2, and a lower opening of the vent hole 7 is communicated with a middle through groove of the ball body 3.
The middle part of the inner cavity of the pressure relief pipeline 4 is transversely inserted with a connecting cross rod 12, the right end of the connecting cross rod 12 penetrates through the right side corresponding position of the pressure relief pipeline 4, and the left end of the connecting cross rod 12 is coaxially and fixedly connected with a plug 11.
Referring to fig. 3, springs 13 are respectively sleeved on the plugging disc 10, the mounting disc 9 and the connecting cross rod 12, through the vent holes 7, the pressure inside the ball 3 can be discharged into the flow pipeline 5 through the valve rod 2, so that normal pressure exchange is realized, when the pressure inside the ball 3 becomes large, the large pressure can push the plugging disc 10 to move so that the sealing gasket 8 is plugged, so that the pressure pushes the plug 11 to move, the plug can be discharged from the exhaust pipeline 41, automatic adjustment of the pressure inside the ball 3 can be realized, the phenomenon of overpressure inside the ball 3 is prevented, the use safety of the ball valve is protected, and the discharge speed of the pressure inside the ball 3 is improved.
The sealing washer 8 is arranged outside the top opening of the main shaft rod 1, the sealing washer 8 is trapezoidal in shape, and the left opening of the pressure relief pipeline 4 is communicated with the inner cavity of the main shaft rod 1.
The working principle of the device is as follows: firstly, the vent hole 7 is formed, so that the pressure inside the ball body 3 can be discharged into the flow pipeline 5 through the valve rod 2, normal pressure exchange is achieved, when the pressure inside the ball body 3 is increased, the larger pressure can push the sealing disc 10 to move, so that the sealing gasket 8 is blocked, the pressure can push the plug 11 to move, the pressure can be discharged from the exhaust pipeline 41, automatic adjustment of the pressure inside the ball body 3 can be achieved, the phenomenon of overpressure inside the ball body 3 is prevented, the use safety of the ball valve is protected, and the discharge speed of the pressure inside the ball body 3 is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Ball valve spheroid of preventing phase transition superpressure, including main axostylus axostyle (1), its characterized in that: the novel valve is characterized in that the bottom of the main shaft rod (1) is connected with the valve rod (2), the ball body (3) is arranged at the bottom of the valve rod (2), the pressure release pipeline (4) is transversely arranged at the upper right side of the main shaft rod (1), the flow pipeline (5) is arranged at the top of the main shaft rod (1), the valve switch (6) is arranged at the top of the flow pipeline (5), the mounting disc (9) is fixedly connected with the middle part of the inner cavity of the main shaft rod (1), the inserted rod is inserted in the middle part of the mounting disc (9), the plugging disc (10) is fixedly connected with the top of the inserted rod, and the exhaust pipeline (41) is connected to the right side of the top of the pressure release pipeline (4).
2. A ball valve sphere for preventing phase change overpressure as set forth in claim 1 wherein: the upper side and the lower side of the main shaft rod (1) are communicated with the inner cavities of the flow pipeline (5) and the valve rod (2) through holes, and the surface circumference of the flow pipeline (5) is provided with flow holes (51).
3. A ball valve sphere for preventing phase change overpressure as set forth in claim 1 wherein: the middle position of the top of the sphere (3) is provided with a vent hole (7), the upper opening of the vent hole (7) is communicated with the inner cavity of the valve rod (2), and the lower opening of the vent hole (7) is communicated with the middle through groove of the sphere (3).
4. A ball valve sphere for preventing phase change overpressure as set forth in claim 1 wherein: the connecting cross rod (12) is transversely inserted into the middle of the inner cavity of the pressure relief pipeline (4), the right end of the connecting cross rod (12) penetrates through the right side corresponding position of the pressure relief pipeline (4), and the left end of the connecting cross rod (12) is coaxially and fixedly connected with the plug (11).
5. A ball valve sphere for preventing phase change overpressure as set forth in claim 1 wherein: the outside of inserted bar is located the outside of shutoff dish (10), mounting disc (9) and connection horizontal pole (12) and all overlaps and be equipped with spring (13).
6. A ball valve sphere for preventing phase change overpressure as set forth in claim 1 wherein: the sealing gasket (8) is arranged on the outer side of the top opening of the main shaft rod (1), the sealing gasket (8) is in a trapezoid shape, and the left opening of the pressure relief pipeline (4) is communicated with the inner cavity of the main shaft rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321479857.7U CN219975449U (en) | 2023-06-12 | 2023-06-12 | Ball valve ball for preventing phase change overpressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321479857.7U CN219975449U (en) | 2023-06-12 | 2023-06-12 | Ball valve ball for preventing phase change overpressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975449U true CN219975449U (en) | 2023-11-07 |
Family
ID=88592037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321479857.7U Active CN219975449U (en) | 2023-06-12 | 2023-06-12 | Ball valve ball for preventing phase change overpressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975449U (en) |
-
2023
- 2023-06-12 CN CN202321479857.7U patent/CN219975449U/en active Active
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