CN208672231U - Valves leakage detection device, unidirectional self-test valve and two-way self-test valve - Google Patents
Valves leakage detection device, unidirectional self-test valve and two-way self-test valve Download PDFInfo
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- CN208672231U CN208672231U CN201820892362.XU CN201820892362U CN208672231U CN 208672231 U CN208672231 U CN 208672231U CN 201820892362 U CN201820892362 U CN 201820892362U CN 208672231 U CN208672231 U CN 208672231U
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- tube body
- detection device
- leakage detection
- valves
- valves leakage
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 4
- 238000004079 fireproofing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 23
- 239000000126 substance Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000007905 drug manufacturing Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of valves leakage detection device, unidirectional self-test valve and two-way self-test valves, including the first tube body, the second tube body and adjusting rod；Second tube body is fixedly connected on the side wall of first tube body, and the second tube body is connected to the first tube body；The adjusting rod is by the connection type of screw thread along the internal diameter precession and back-out of the second tube body, and the side wall of second tube body is equipped with through-hole, and by adjusting rod precession and screwing out accordingly makes the through-hole disconnect and be connected to first tube body.The utility model reduces the probability of the safety accident and environmental pollution accident that are occurred by valves leakage, reduces because of the wasting of resources caused by valves leakage, improves the control and monitoring to valves leakage situation, reduces the cost of valves leakage detection.
Description
Technical field
The utility model relates to inner hexagon technical fields, and in particular to a kind of valves leakage detection device, unidirectional self-test
Valve and two-way self-test valve.
Background technique
Cause this phenomenon of valves leakage to have several reasons: the blocking of 1 impurity, 2 spools are worn, and seal wear etc. in 3,4 hold
Row mechanism is not in place, the deformation of 5 spools, 6 spool bites, 7 limit switches wrong report etc..Liquid valve and gas valve are possible to deposit
Phenomenon is leaked inside, and interior leakage degree varies, and usually interior leakage degree is by small and big.It is not easy to be found when leakage is smaller in general,
But it will cause serious consequence sometimes, such as field of thermal power, drug manufacturing field, fuel gas transmission field, chemical field
Deng there is Liquid valve and gas valves leakage situation in these fields, will lead to serious fire, explosion accident or drug
Situation off quality, direct relation equipment and personal safety.
Also there are corresponding detection device, such as ultrasonic detector, ultrasonic wave valve detection instrument for valves leakage at present
" contact mode " is read along circuit collecting sample, and flow direction can be clearly defined in testing staff.This detector price at that time
It is very expensive, so that the cost leaked in detection greatly increases.In addition, this detection mode cannot monitor in real time, can not monitor at any time
Valve situation.
Utility model content
For the defects in the prior art, the utility model provides a kind of valves leakage detection device, unidirectional self-test valve
And two-way self-test valve, the probability of the safety accident occurred by valves leakage and environmental pollution accident are reduced because of valve
The wasting of resources caused by interior leakage improves the control and monitoring to valves leakage situation, reduces the cost of valves leakage detection.
A kind of valves leakage detection device of the utility model, including the first tube body, the second tube body and adjusting rod；Described second
Tube body is fixedly connected on the side wall of first tube body, and the second tube body is connected to the first tube body；The adjusting rod passes through spiral shell
Along the internal diameter precession and back-out of the second tube body, the side wall of second tube body is equipped with through-hole, passes through adjusting rod the connection type of line
Precession and back-out accordingly make the through-hole disconnect and be connected to first tube body in turn.
It when conveying gas or liquid substance into closed container, can not observe directly, utilize due to being leaked in valve body
This equipment can promptly and accurately detected.The connection of first tube body is screwed out in the downstream for being examined valve body, then by adjusting rod
And it is connected to through-hole with first tube body.After leakage in valve body closed state occurs, examined gas or liquid are by edge
The second tube body flowed out from through-hole, even if interior leakage situation is very small, can also be shown in through hole, to realize real-time
Interior leakage monitoring.In addition, this device structure is simple, manufacturing cost is low, and inner hexagon promptly and accurately, greatly reduces in valve
The cost of leak detection.
Preferably, second tube body is fixedly connected on the upper side wall or lower wall of first tube body.For detecting
The density of gas and the gas is less than atmospheric density, which will float, and the upper side wall of the first tube body is arranged in the second tube body；
For detecting liquid, perhaps density is greater than the gas of the air liquid or the gas flow down, and the setting of the second tube body is the
The lower wall of one tube body.Such design detect the interior very small situation of leakage also can, to improve detection accuracy.
Preferably, the through-hole is equipped with multiple and along the second tube body axial alignments.
Preferably, along the end direction of second tube body, the internal diameter of the through-hole is sequentially increased.It is certain for detecting
The case where sticky liquid, which can not flow out from the lesser through-hole of diameter, then can not detect interior leakage.Be arranged internal diameter according to
Multiple through-holes of secondary increase, adapt to the liquid of different viscosities, and effectively preventing liquid can not flow out from through-hole, influence interior missing inspection
The accuracy of survey.
Preferably, the through-hole, which is equipped with, extends pipeline.Extension tube is used in the place of some narrow or inconvenient observation
The substance of interior leakage is conducting to the place for facilitating observation, facilitates inner hexagon by road.
Preferably, the end for extending pipeline is connect with detection device.For it is some can not using visually observe, it is toxic
Harmful substance etc. detected using corresponding detection sensor, more intuitively detected, and facilitates and leaks feelings in judgement
Condition.
Preferably, the material of first tube body, the second tube body and adjusting rod be pressure-resistant material, it is acid resisting material, alkaline-resisting
Material or fire proofing material.When for detecting acidic liquid gas, akaline liquid gas or flammable liquid gas, this equipment
Material selects corresponding material according to service condition, avoids examined substance from corroding this equipment, while also improving this equipment
Durability and security level.
Preferably, the adjusting rod be equipped with external screw thread, second tube body be equipped with corresponding internal screw thread, and adjusting rod with
Second tube body forms internal and external threads engagement sealing.Prevent examined substance from leaking out from thread gaps China and foreign countries using thread seal
Come.
A kind of unidirectional self-test valve is applied to valves leakage detection device, including valve body, the valves leakage detection device
The first tube body be connected to the valve body, and second tube body is located at the downstream of valve body.When interior leakage occurs in valve body, pass through
Even if valves leakage detection device real-time monitoring comes out and replaces, security level is substantially increased, is efficiently avoided in valve body
Leakage and caused by accident.
A kind of two-way self-test valve, is applied to valves leakage detection device, including valve body, the valve body set there are two and
Connection is connected with the both ends of first tube body respectively in two valve bodies.It, can using two-way self-test valve in certain duplex channels
To detect whether positive circulation and reverse circulated interior leakage occur, security level is substantially increased, is efficiently avoided in valve body
Leakage and caused by accident.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram that second tube body is connected to the first tube body lower wall in the utility model embodiment one；
Fig. 2 is the structural schematic diagram that second tube body is connected to the first tube body upper side wall in embodiment one；
Fig. 3 is the structural schematic diagram that second tube body is equipped with multiple through-holes in embodiment one；
Fig. 4 is the structural schematic diagram of the utility model embodiment two；
Fig. 5 is the structural schematic diagram of the utility model embodiment three.
In attached drawing, the first tube body of 1-, the second tube body of 2-, 3- adjusting rod, 4- screw thread, 5- upper side wall, 6- lower wall, 7- is logical
Hole, 8- valve body
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
Embodiment one: as shown in Figure 1, a kind of valves leakage detection device is present embodiments provided, including the first tube body 1,
Second tube body 2 and adjusting rod 3.When for detecting acidic liquid gas, akaline liquid gas or flammable liquid gas, avoid by
It checks that substance corrodes this equipment, while also improving the durability and security level of this equipment, be resistance to by the design of material of this equipment
Soda acid fireproof material, i.e. the material of the first tube body 1, the second tube body 2 and adjusting rod 3 is pressure-resistant material, acid resisting material, alkaline-resisting
Material or fire proofing material.
Second tube body 2 is fixedly connected on the side wall of the first tube body 1, and the second tube body 2 is connected to the first tube body 1；It adjusts
Bar 3 is by the connection type of screw thread 4 along the internal diameter precession and back-out of the second tube body 2, and adjusting rod 3 is equipped with external screw thread, the second tube body 2
Equipped with corresponding internal screw thread, and adjusting rod 3 forms internal and external threads with the second tube body 2 and engages sealing.The side wall of second tube body 2 is set
There is through-hole 7, by 3 precession of adjusting rod and screwing out accordingly makes through-hole 7 disconnect and be connected to the first tube body 1.
As depicted in figs. 1 and 2, since the density of the gas of detection is likely less than atmospheric density, for this gas of detection
When, the characteristics of the second tube body 2 to be arranged in in the present embodiment the upper side wall 5 of the first tube body 1, is floated using this kind of gas, interior leakage
Gas will be discharged from through-hole 7 along the second tube body 2, be effectively detected.When detection liquid or density are greater than air
The lower wall 6 of the first tube body 1 is arranged in gas, the liquid or the gas flow down, the second tube body 2.Such design makes
The interior very small situation of leakage can also detect, see detection accuracy to improve.
As shown in figure 3, the liquid can not be flowed out from the lesser through-hole 7 of diameter, then for detecting certain sticky liquid
The case where can not detecting interior leakage.Through-hole 7 in the present embodiment is equipped with multiple and along the second tube body 2 axial alignments, this
Outside, along the end direction of the second tube body 2, the internal diameter of these through-holes 7 is sequentially increased.Multiple through-holes that internal diameter is sequentially increased are set
7, the liquid of different viscosities is adapted to, effectively preventing liquid can not flow out from through-hole 7, influence the accuracy of inner hexagon.When
When liquid viscosity is larger, this screws out adjusting rod 3, is connected to bigger through-hole 7 with the first tube body 1, and so on.
It when conveying gas or liquid substance into closed container, can not observe directly, utilize due to being leaked in valve body 8
This equipment can promptly and accurately detected.The connection of first tube body 1 is revolved in the downstream for being examined valve body 8, then by adjusting rod 3
Out and it is connected to through-hole 7 with the first tube body 1.First tube body 1 and detected piping connection for convenience, the two of the first tube body 1
End setting internal screw thread, external screw thread or ring flange etc. facilitate connection.After there is interior leakage in valve body 8, examined gas or liquid
Body will be flowed out from through-hole 7 along the second tube body 2, even if interior leakage situation is very small, can also be shown at through-hole 7, from
And realize leakage monitoring in real time.In addition, this device structure is simple, manufacturing cost is low, and inner hexagon promptly and accurately, drops significantly
The cost of low valves leakage detection.
In addition, extension pipeline can be set in the through-hole 7 of the second tube body 2.In the place of some narrow or inconvenient observation
Using pipeline is extended, the substance of interior leakage is conducting to the place for facilitating observation, facilitates inner hexagon.Meat can not be utilized for some
Eye observation, poisonous and harmful substance etc., detected using corresponding detection sensor, more intuitively detected, convenient
Situation is leaked in judgement.Therefore connect in the end for extending pipeline with detection device, detection device here for detected gas or
The corresponding sensor of person's liquid, sensor is connect with alarm, once sensor is detected, alarm is mentioned alarm is issued
Show, then interior leakage will be observed intuitively.
Embodiment two: as shown in figure 4, being applied to the valves leakage detection device of embodiment one, the present embodiment provides one kind
Unidirectional self-test valve, including valve body 8, the first tube body 1 of valves leakage detection device is connected to valve body 8, and the second tube body 2
In the downstream of valve body 8.When interior leakage occurs in valve body 8, even if being come out and being replaced by valves leakage detection device real-time monitoring, greatly
Improve security level greatly, efficiently avoid leakage in valve body 8 and caused by accident.
Embodiment three: as shown in figure 5, being applied to the valves leakage detection device of embodiment one, the present embodiment provides one kind
Two-way self-test valve, including valve body 8, valve body 8 set there are two and two valve bodies 8 company is connected with the both ends of the first tube body 1 respectively
It connects.In certain duplex channels, using two-way self-test valve, positive circulation can detecte out and in whether reverse circulated occur
Leakage, substantially increases security level, efficiently avoid leakage in valve body 8 and caused by accident.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (10)
1. a kind of valves leakage detection device, it is characterised in that: including the first tube body, the second tube body and adjusting rod；Described second
Tube body is fixedly connected on the side wall of first tube body, and the second tube body is connected to the first tube body；The adjusting rod passes through spiral shell
Along the internal diameter precession and back-out of the second tube body, the side wall of second tube body is equipped with through-hole, passes through adjusting rod the connection type of line
Precession and back-out accordingly make the through-hole disconnect and be connected to first tube body in turn.
2. valves leakage detection device according to claim 1, it is characterised in that: second tube body is fixedly connected on institute
State the upper side wall or lower wall of the first tube body.
3. valves leakage detection device according to claim 1, it is characterised in that: the through-hole be equipped with it is multiple and along
The axial alignment of second tube body.
4. valves leakage detection device according to claim 3, it is characterised in that: along the end side of second tube body
To the internal diameter of the through-hole is sequentially increased.
5. valves leakage detection device according to claim 3, it is characterised in that: the through-hole, which is equipped with, extends pipeline.
6. valves leakage detection device according to claim 5, it is characterised in that: the end for extending pipeline and detection
Device connection.
7. valves leakage detection device according to claim 1, it is characterised in that: first tube body, the second tube body and
The material of adjusting rod is pressure-resistant material, acid resisting material, alkali resistant materials or fire proofing material.
8. valves leakage detection device according to claim 1, it is characterised in that: the adjusting rod is equipped with external screw thread, institute
The second tube body is stated equipped with corresponding internal screw thread, and adjusting rod forms internal and external threads with the second tube body and engages sealing.
9. a kind of unidirectional self-test valve, it is characterised in that: described in any item valves leakages applied to claim 1 to 8 are examined
Device is surveyed, including valve body, the first tube body of the valves leakage detection device are connected to the valve body, and second tube body
Positioned at the downstream of valve body.
10. a kind of two-way self-test valve, it is characterised in that: described in any item valves leakages applied to claim 1 to 8 are examined
Survey device, including valve body, the valve body set there are two and two valve bodies connection is connected with the both ends of first tube body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892362.XU CN208672231U (en) | 2018-06-08 | 2018-06-08 | Valves leakage detection device, unidirectional self-test valve and two-way self-test valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892362.XU CN208672231U (en) | 2018-06-08 | 2018-06-08 | Valves leakage detection device, unidirectional self-test valve and two-way self-test valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672231U true CN208672231U (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820892362.XU Active CN208672231U (en) | 2018-06-08 | 2018-06-08 | Valves leakage detection device, unidirectional self-test valve and two-way self-test valve |
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|---|---|
| CN (1) | CN208672231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265955A (en) * | 2022-07-28 | 2022-11-01 | 重庆川仪调节阀有限公司 | Liquid hydrogen valve internal leakage bidirectional detection system and liquid hydrogen valve internal leakage detection method |
-
2018
- 2018-06-08 CN CN201820892362.XU patent/CN208672231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265955A (en) * | 2022-07-28 | 2022-11-01 | 重庆川仪调节阀有限公司 | Liquid hydrogen valve internal leakage bidirectional detection system and liquid hydrogen valve internal leakage detection method |
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