CN213209407U - Low temperature ball valve leakage-proof detection device - Google Patents
Low temperature ball valve leakage-proof detection device Download PDFInfo
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- CN213209407U CN213209407U CN202021953441.0U CN202021953441U CN213209407U CN 213209407 U CN213209407 U CN 213209407U CN 202021953441 U CN202021953441 U CN 202021953441U CN 213209407 U CN213209407 U CN 213209407U
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- seal box
- side seal
- ball valve
- plate
- arc
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 59
- 239000011521 glass Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 5
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 16
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to a leak testing field just discloses a low temperature ball valve prevents leaking detection device, including left side seal box and right side seal box, and the top of left side seal box and right side seal box is articulated each other, the rotation hole has been seted up at the left side wall middle part of left side seal box, the inside rotation in rotation hole is connected with the rotor plate. This detection device is prevented leaking by low temperature ball valve, low temperature gas can spill and make the air rapid cooling between left side seal box and the right side seal box, and gas after the cooling can make the arc transparent plate form atomizing phenomenon outward after contacting with the arc transparent plate, atmospheric pressure in the seal space can increase, pressure sensor can detect atmospheric pressure in this seal space and pass through the display with data and show, can be more direct and accurate show the state to in the seal space, make whole device to prevent leaking of low temperature ball valve detect more conveniently and high-efficiently, and the testing result is also more accurate.
Description
Technical Field
The utility model relates to a leak testing field specifically is a detection device is prevented leaking by low temperature ball valve.
Background
The low-temperature ball valve is a valve used for conveying low-temperature media. The output liquid low-temperature medium such as ethylene, liquid oxygen, liquid hydrogen, liquefied natural gas, liquefied petroleum products and the like is flammable and explosive, and is gasified when the temperature is raised, and the volume of the output liquid low-temperature medium is expanded by hundreds of times when the output liquid low-temperature medium is gasified.
Because the low temperature ball valve uses and carries the low temperature medium, and the low temperature medium can expand several hundred times when rising the temperature, so in case the low temperature ball valve appears leaking, can produce very serious dangerous accident, the event need prevent leaking the detection to the low temperature ball valve before leaving the factory, but detection equipment commonly used now is in the testing process, can't be high-efficient accurate prevent leaking the detection to the low temperature ball valve, and whole testing process is comparatively complicated. Therefore, the leakage-proof detection device for the low-temperature ball valve is designed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides a detection device is prevented leaking by low temperature ball valve has solved present check out test set commonly used in the testing process, and the detection is prevented leaking by the unable high-efficient accurate low temperature ball valve, the comparatively complicated problem of whole testing process.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a detection device is prevented leaking by low temperature ball valve, includes left side seal box and right side seal box, and the top of left side seal box and right side seal box is articulated each other, the rotation hole has been seted up at the left side wall middle part of left side seal box, the inside rotation in rotation hole is connected with the rotor plate.
Horizontal spring is installed to the left side inner wall of left side seal box, the arc transparent plate is installed to horizontal spring's right-hand member, the right-hand member of rotor plate supports with the left side wall of arc transparent plate.
The internally mounted of right side seal box has pressure sensor, the display of being connected with the pressure sensor electricity is installed at the top of left side seal box, the left side wall top of left side seal box is provided with the viewing aperture, the arc wall has all been seted up with the front and back both sides wall of right side seal box to the left side seal box, the internally mounted of arc wall has the sealed pad of arc.
Furthermore, the top wall and the bottom wall of the rotating hole are both provided with accommodating grooves, the inner sliding connection of the accommodating grooves is provided with a movable plate, vertical springs are mounted on the opposite surfaces of the movable plate, one end, away from the movable plate, of each vertical spring is fixedly connected with the inner wall of the accommodating groove, and one surface, away from the movable plate, of the movable plate is fixedly connected with a sealing plate which is abutted against the rotating plate.
Furthermore, sealing strips are installed on the opposite surfaces of the sealing plates and the rotating plates, and the upper sealing strip and the lower sealing strip are respectively abutted to the top and the bottom of the rotating plates.
Further, a left side fixing plate and a right side fixing plate are respectively installed at the bottom of the left side sealing box and the bottom of the right side sealing box, and the left side fixing plate and the right side fixing plate are fixedly connected through a fixing bolt.
Furthermore, the left arc-shaped groove and the right arc-shaped groove are both semicircular, the centers of circles of the two semicircular arc-shaped grooves are positioned on the same straight line, and the radiuses of the two arc-shaped grooves on the two sides are the same.
Furthermore, the observation port is made of a transparent glass plate embedded at the top of the left side wall of the left side sealing box.
The utility model has the advantages that:
1. the utility model discloses a, low temperature ball valve has the leakage department, and low temperature gas can spill and make the air rapid cooling between left side seal box and the right side seal box, and gaseous after the cooling can make the arc transparent plate form the atomizing phenomenon after contacting with the arc transparent plate, and the discolouration of arc transparent plate can be to whether leaking to low temperature ball valve and instruct like this, and not only simple structure, but also can direct more effectually instruct gas leakage state.
2. The utility model discloses a, if the low temperature ball valve has gas leakage, then atmospheric pressure in this confined space can increase, pressure sensor can detect the atmospheric pressure in this confined space and show data through the display, can be more direct and accurate show the state to in the confined space, make the leak detection of low temperature ball valve more high-efficient and accurate, and can be more convenient show the state to the arc transparent plate through the viewing aperture, make whole device to the leak protection of low temperature ball valve detect more conveniently and high-efficiently, and the testing result is also more accurate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is an enlarged view of a in fig. 1.
In the figure: 1. a left side seal box; 2. a right side seal box; 3. rotating the hole; 4. a rotating plate; 5. a horizontal spring; 6. an arc-shaped transparent plate; 7. a pressure sensor; 8. a display; 9. a viewing port; 10. an arc-shaped slot; 11. an arc-shaped sealing gasket; 12. a receiving groove; 13. moving the plate; 14. a vertical spring; 15. a sealing plate; 16. a sealing strip; 17. a left side fixing plate; 18. a right side fixing plate; 19. and (5) fixing the bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to FIGS. 1-3: the utility model provides a detection device is prevented leaking by low temperature ball valve, including left side seal box 1 and right side seal box 2, and left side seal box 1 is articulated each other with the top of right side seal box 2, rotation hole 3 has been seted up at left side wall middle part of left side seal box 1, the inside rotation of rotation hole 3 is connected with rotor plate 4, can overlap the low temperature ball valve that needs detected outside through left side seal box 1 and right side seal box 2, left side seal box 1 and the low temperature ball valve of the size adaptation of right side seal box 2, intake pipe and outlet duct are installed respectively to the both ends of low temperature ball valve, then close left side seal box 1 and right side seal box 2, the low temperature ball valve restriction that can detect like this in a relatively sealed environment, can be safer detect the leakproofness of low temperature ball valve.
The left side inner wall of the left side sealing box 1 is provided with a horizontal spring 5, the right end of the horizontal spring 5 is provided with an arc-shaped transparent plate 6, the right end of the rotating plate 4 is abutted against the left side wall of the arc-shaped transparent plate 6, low-temperature gas is injected from the air inlet pipe, and the low-temperature gas is selected to have a degree that the pressure does not cause a dangerous accident, if the low-temperature ball valve has a leakage part, the low-temperature gas can leak out to enable the air between the left side sealing box 1 and the right side sealing box 2 to be rapidly cooled, and the cooled gas can enable the appearance of the arc-shaped transparent plate 6 to be atomized after contacting the arc-shaped transparent plate 6, the color of the arc-shaped transparent plate 6 is changed, so that whether the low-temperature ball valve leaks or not can be indicated, the structure is simple, the gas leakage state, although the low-temperature ball valve is internally provided with low-temperature gas, the temperature of the air between the left sealing box 1 and the right sealing box 2 can be reduced to cause atomization, but the speed of the air subjected to cold atomization is lower than that of the air subjected to cold atomization due to leakage, and if atomized liquid rapidly appears on the arc-shaped transparent plate 6, the leakage of the low-temperature ball valve is indicated.
The pressure sensor 7 is arranged in the right side sealing box 2, the display 8 electrically connected with the pressure sensor 7 is arranged at the top of the left side sealing box 1, the viewing port 9 is arranged at the top of the left side wall of the left side sealing box 1, the viewing port 9 is made of a transparent glass plate embedded at the top of the left side wall of the left side sealing box 1, arc grooves 10 are respectively arranged on the front side wall and the rear side wall of the left side sealing box 1 and the right side sealing box 2, arc sealing gaskets 11 are arranged in the arc grooves 10, the arc grooves 10 and the arc sealing gaskets 11 are sleeved outside the air inlet pipe and the air outlet pipe, so that a relatively sealed environment is formed in the left side sealing box 1 and the right side sealing box 2, after ventilation, if the low-temperature ball valve leaks air, the air pressure in the sealing space can be increased, the pressure sensor 7 can detect the air pressure in the sealing space and display data through the display 8, and can more directly and accurately display the, make the leak testing of low temperature ball valve more high-efficient and accurate, and can be more convenient show the state to arc transparent plate 6 through viewing aperture 9 for whole device is more convenient and efficient to the leak protection detection of low temperature ball valve, and the testing result is also more accurate, if it has the atmospheric pressure to change the back to check out, follow-up can be again through ISO 15848 standard do little leak testing and guarantee the precision of test, also can carry out accurate leakage position detection to different positions.
The arc-shaped transparent plate 6 can be pushed to rotate when the rotating plate 4 rotates, the top wall and the bottom wall of the rotating hole 3 are both provided with accommodating grooves 12, the inside of each accommodating groove 12 is connected with a moving plate 13 in a sliding manner, the separated surfaces of the two moving plates 13 are both provided with vertical springs 14, one ends, far away from the moving plates 13, of the vertical springs 14 are fixedly connected with the inner walls of the accommodating grooves 12, one surface, far away from the moving plates 13, of each moving plate 13 is fixedly connected with a sealing plate 15 which is abutted against the rotating plate 4, one surface, opposite to the rotating plate 4, of each sealing plate 15 is provided with a sealing strip 16, the upper sealing strip 16 and the lower sealing strip 16 are abutted against the top and the bottom of the rotating plate 4 respectively, the sealing strips 16 and the sealing plates 15 can be extruded when the rotating plate 4 rotates, in the process, the moving plates 13 can be pushed to move in the accommodating grooves 12, the space formed by the left sealing box 1 and the right sealing box 2 is better in sealing performance.
The left sealing box 1 and the right sealing box 2 are sleeved outside the low-temperature ball valve, a left fixing plate 17 and a right fixing plate 18 are respectively arranged at the bottom of the left sealing box 1 and the bottom of the right sealing box 2, and the left fixing plate 17 and the right fixing plate 18 are fixedly connected through a fixing bolt 19, the two arc-shaped grooves 10 at the left and right sides are both semicircular, the circle centers of the two semicircular arc-shaped grooves 10 are positioned on the same straight line, the radiuses of the two arc-shaped grooves 10 on the two sides are the same, after the left fixing plate 17 and the right fixing plate 18 are connected through the fixing bolt 19, the arc-shaped sealing gaskets 11 at the left and right sides are pressed against the outside of the pipeline, can guarantee that gas can not leak from the gap between pipeline and the arc sealed 11 of filling for whole inspection device's leakproofness is stronger, if the low temperature ball valve has the leakage department, then the gas that leaks can be stayed between left side seal box 1 and right side seal box 2.
To sum up, when the utility model is used, the left sealing box 1 and the right sealing box 2 can be sleeved outside the low temperature ball valve to be detected, the two ends of the low temperature ball valve are respectively provided with the air inlet pipe and the air outlet pipe, then the left sealing box 1 and the right sealing box 2 are closed, after the left fixing plate 17 and the right fixing plate 18 are connected through the fixing bolt 19, the arc sealing gaskets 11 on the left side and the right side are pressed against the outside of the pipeline, the gas can be ensured not to leak out from the gap between the pipeline and the arc sealing gasket 11, the low temperature gas is injected from the air inlet pipe, and the low temperature gas is selected and used with a pressure which can not generate the degree of dangerous accidents, if the low temperature ball valve has a leakage part, the low temperature gas can leak out to ensure that the air between the left sealing box 1 and the right sealing box 2 is rapidly cooled, and the cooled gas can, and atmospheric pressure in this confined space can increase, and pressure sensor 7 can detect the atmospheric pressure in this confined space and show data through display 8, can be more direct and accurate show the state in the confined space, if the low temperature ball valve does not have the leakage problem, then this kind of condition can not appear.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a detection device is prevented leaking by low temperature ball valve, includes left side seal box (1) and right side seal box (2), and the top of left side seal box (1) and right side seal box (2) is articulated each other, its characterized in that: a rotating hole (3) is formed in the middle of the left side wall of the left side sealing box (1), and a rotating plate (4) is rotatably connected inside the rotating hole (3);
a horizontal spring (5) is installed on the inner wall of the left side sealing box (1), an arc-shaped transparent plate (6) is installed at the right end of the horizontal spring (5), and the right end of the rotating plate (4) is abutted to the left side wall of the arc-shaped transparent plate (6);
the internally mounted of right side seal box (2) has pressure sensor (7), display (8) of being connected with pressure sensor (7) electricity are installed at the top of left side seal box (1), the left side wall top of left side seal box (1) is provided with viewing aperture (9), arc wall (10) have all been seted up with the front and back both sides wall of right side seal box (2) in left side seal box (1), the internally mounted of arc wall (10) has the sealed pad of arc (11).
2. A cryogenic ball valve leak prevention detection apparatus as defined in claim 1, wherein: the improved structure is characterized in that a containing groove (12) is formed in the top wall and the bottom wall of the rotating hole (3), a moving plate (13) is connected to the inside of the containing groove (12) in a sliding mode, vertical springs (14) are installed on the opposite surfaces of the moving plate (13), one end, far away from the moving plate (13), of each vertical spring (14) is fixedly connected with the inner wall of the containing groove (12), and a sealing plate (15) which is abutted to the rotating plate (4) is fixedly connected with one side, far away from the moving plate (13), of each moving plate (13).
3. A cryogenic ball valve leak prevention detection apparatus as defined in claim 2, wherein: sealing strips (16) are installed on the opposite surfaces of the sealing plate (15) and the rotating plate (4), and the upper sealing strip (16) and the lower sealing strip (16) are respectively abutted to the top and the bottom of the rotating plate (4).
4. A cryogenic ball valve leak prevention detection apparatus as defined in claim 1, wherein: left side fixed plate (17) and right side fixed plate (18) are installed respectively to the bottom of left side seal box (1) and the bottom of right side seal box (2), and pass through fixing bolt (19) fixed connection left side fixed plate (17) and right side fixed plate (18).
5. A cryogenic ball valve leak prevention detection apparatus as defined in claim 1, wherein: the left arc-shaped groove and the right arc-shaped groove (10) are both semicircular, the circle centers of the two semicircular arc-shaped grooves (10) are positioned on the same straight line, and the radiuses of the two arc-shaped grooves (10) on the two sides are the same.
6. A cryogenic ball valve leak prevention detection apparatus as defined in claim 1, wherein: the observation port (9) is made of a transparent glass plate which is embedded at the top of the left side wall of the left side sealing box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021953441.0U CN213209407U (en) | 2020-09-08 | 2020-09-08 | Low temperature ball valve leakage-proof detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021953441.0U CN213209407U (en) | 2020-09-08 | 2020-09-08 | Low temperature ball valve leakage-proof detection device |
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| Publication Number | Publication Date |
|---|---|
| CN213209407U true CN213209407U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021953441.0U Expired - Fee Related CN213209407U (en) | 2020-09-08 | 2020-09-08 | Low temperature ball valve leakage-proof detection device |
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| CN (1) | CN213209407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117705364A (en) * | 2024-02-05 | 2024-03-15 | 晋中市综合检验检测中心 | Air tightness detection device for pressure gauge |
-
2020
- 2020-09-08 CN CN202021953441.0U patent/CN213209407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117705364A (en) * | 2024-02-05 | 2024-03-15 | 晋中市综合检验检测中心 | Air tightness detection device for pressure gauge |
| CN117705364B (en) * | 2024-02-05 | 2024-04-26 | 晋中市综合检验检测中心 | Air tightness detection device for pressure gauge |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 |