CN110887615A - Valve housing airtightness inspection device - Google Patents
Valve housing airtightness inspection device Download PDFInfo
- Publication number
- CN110887615A CN110887615A CN201911375054.5A CN201911375054A CN110887615A CN 110887615 A CN110887615 A CN 110887615A CN 201911375054 A CN201911375054 A CN 201911375054A CN 110887615 A CN110887615 A CN 110887615A
- Authority
- CN
- China
- Prior art keywords
- shell
- connecting hole
- connecting arm
- sealing
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
- G01M3/14—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/146—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a valve shell airtightness checking device and a checking method, which mainly comprise a first shell, a second shell, plasticine and a rubber layer, wherein the open end of the first shell is provided with a first connecting hole, one end of a first connecting arm penetrates through a first sealing ring and is arranged in the first connecting hole, one end of the first connecting arm is connected with the inner bottom of the first connecting hole through a first elastic piece, a vacuum generator is connected with the first shell in a sealing way, a pressure gauge is connected with the first shell in a sealing way, the open end of the second shell is provided with a second connecting hole, at least one layer of second sealing ring is arranged in the second connecting hole, one end of the second connecting arm is connected with the inner bottom of the second connecting hole through a second elastic piece, and the rubber layer is arranged at the other ends of the first connecting arm and the second connecting arm. Meanwhile, the sealing performance can be effectively realized, and the convenience and the effectiveness in the inspection process are further ensured.
Description
Technical Field
The invention relates to the technical field of valve inspection, in particular to a valve shell airtightness inspection device.
Background
After the steel casting valve is used for a certain period, welding groove airtightness inspection needs to be carried out, integrity between a valve welding line and a shell is confirmed, however, the valve is in a fixed state after being installed, so that certain difficulty exists in inspection, an airtight box is not easy to install, a certain gap is formed between the box body and the valve, and accordingly inspection failure is caused, and operation efficiency is affected.
Disclosure of Invention
The present invention is directed to a valve housing air tightness checking device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a valve shell airtightness checking device comprises a first shell, a first connecting arm, a vacuum generator, a pressure gauge, a second shell, a second connecting arm, plasticine and a rubber layer, wherein the first shell is of a half-open structure, the open end of the first shell is uniformly provided with a first connecting hole extending inwards, at least one first sealing ring is arranged inside the first connecting hole, one end of the first connecting arm penetrates through the first sealing ring and is arranged inside the first connecting hole, one end of the first connecting arm is connected with the bottom in the first connecting hole through a first elastic piece, the vacuum generator is in sealing connection with the first shell, the pressure gauge is in sealing connection with the first shell and is arranged on one side of the vacuum generator, the second shell is also of a half-open structure, and the open end of the second shell is uniformly provided with second connecting holes extending inwards, and at least one layer of second sealing ring is arranged in the second connecting hole, one end of the second connecting arm penetrates through the second sealing ring and is arranged in the second connecting hole, one end of the second connecting arm is connected with the bottom in the second connecting hole through a second elastic piece, and the rubber layer is arranged at the other end of the first connecting arm and the other end of the second connecting arm.
Furthermore, the vacuum cleaner is also provided with a cart, and the cart is fixedly provided with an air pump, a generator for driving the air pump and a conduit for connecting the air pump and the vacuum generator.
Further, the distance between the adjacent first connecting holes is 3mm-5mm, and the distance between the first connecting holes and the second connecting holes is consistent.
Furthermore, the first shell and the second shell are both made of transparent plastic materials.
Compared with the prior art, the invention has the beneficial effects that: the valve shell is simple in structure, safe and convenient to use, can be well fitted with the valve shell, can effectively realize sealing performance, and further ensures convenience and effectiveness in inspection;
optionally, the practicability in the absence of high-pressure gas can be further ensured by the arrangement of the movable air pump.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail with reference to the following drawings.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a first housing structure according to the present invention;
FIG. 3 is a side view of the first housing structure of the present invention;
fig. 4 is a schematic structural diagram of a second housing according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Referring to fig. 1-4, the present embodiment provides a technical solution: a valve shell airtightness checking device comprises a first shell 1, a first connecting arm 2, a vacuum generator 3, a pressure gauge 4, a second shell 5, a second connecting arm 6, plasticine 7 and a rubber layer 8, wherein the first shell 1 is of a half-open structure, the open end of the first shell 1 is uniformly provided with a first connecting hole 9 extending inwards, at least one layer of first sealing ring 10 is arranged inside the first connecting hole 9, in the embodiment, two sealing rings are adopted, a certain gap is reserved between every two adjacent sealing rings, one end of the first connecting arm 2 penetrates through the first sealing ring 10 and is arranged inside the first connecting hole 9, one end of the first connecting arm 2 is connected with the inner bottom of the first connecting hole 9 through a first elastic piece 11, the vacuum generator 3 is in sealing connection with the first shell 1, and the pressure gauge 4 is in sealing connection with the first shell 1, the pressure gauge 4 is arranged on one side of the vacuum generator 3, the second shell 5 is also arranged in a semi-open structure, the open end of the second shell 5 is uniformly provided with second connecting holes 12 extending inwards, at least one layer of second sealing ring 13 is arranged in each second connecting hole 12, one end of each second connecting arm 6 penetrates through the second sealing ring 14 and is arranged in each second connecting hole 12, one end of each second connecting arm 6 is connected with the bottom in each second connecting hole 12 through a second elastic piece 18, the rubber layer 8 is arranged at the other end of each first connecting arm 2 and the other end of each second connecting arm 6, when the valve is used, a valve shell needs to be cleaned in advance, a layer of soapy water is sprayed on the valve, the coating amount needs to cover the whole valve shell, then the two shells are buckled with each other, and the direction of combination of the two shells needs to be explained here, meanwhile, when the two shells can cover the valve inside, two operators need to mutually assist the two shells to prevent the shells from falling off, then the two shells and all gaps between the connecting arms and the valve are coated with plasticine, further, when the plasticine is coated, the two shells are fully coated, the coating thickness is enough to meet the shell sealing performance in a negative pressure state, then a negative pressure state is formed in the two opposite shells through externally connected high-pressure gas, if negative pressure cannot be formed at the moment, whether a leakage point exists in the whole mechanism needs to be observed, if the leakage point exists, the two operators need to be blocked again through the plasticine until the negative pressure can be formed, and meanwhile, the two operators can be arranged to inwards extrude the shells at one side, used for increasing the adsorption and fixation effects of the two shells. After the two shells form a negative pressure state, waiting for a certain time, optionally 1-2min, maintaining the negative pressure state, observing whether the valve shell and the welding line are in a bubble state or not, if no bubble exists, the valve is in a good state, otherwise, the valve needs to be repaired immediately, and it needs to be stated that the cleanness of the surface of the valve and the closed state of the valve are ensured during detection.
In this embodiment, optionally, a cart 14 is further provided, and an air pump 15, a generator 16 for driving the air pump 15, and a conduit 17 for connecting the air pump 15 and the vacuum generator 3 are fixedly provided on the cart 14; by adopting the design structure, the practicability when no high-pressure gas exists can be further ensured through the movable air pump.
In this embodiment, optionally, the distance between adjacent first connection holes 9 is 3mm to 5mm, and the distance between the first connection hole 9 and the second connection hole 12 is the same; by adopting the design structure, the gap between the adjacent connecting arms can be ensured to be smaller, the plasticine can be used more conveniently, and the synthesized whole sealing effect can be formed more easily.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A valve housing gas tightness inspection device comprising, characterized by:
the sealing device comprises a first shell (1), wherein the first shell (1) is of a half-opening structure, the opening end of the first shell (1) is uniformly provided with first connecting holes (9) extending inwards, and at least one layer of first sealing ring (10) is arranged in each first connecting hole (9);
one end of the first connecting arm (2) penetrates through the first sealing ring (10) and is arranged inside the first connecting hole (9), and one end of the first connecting arm (2) is connected with the inner bottom of the first connecting hole (9) through a first elastic piece (11);
the vacuum generator (3), the vacuum generator (3) is connected with the first shell (1) in a sealing way;
the pressure gauge (4) is connected with the first shell (1) in a sealing mode, and the pressure gauge (4) is arranged on one side of the vacuum generator (3);
the second shell (5), the second shell (5) is also arranged in a half-opening structure, the opening end of the second shell (5) is uniformly provided with second connecting holes (12) extending inwards, and at least one layer of second sealing ring (13) is arranged in each second connecting hole (12);
one end of the second connecting arm (6) penetrates through the second sealing ring (14) and is arranged inside the second connecting hole (12), and one end of the second connecting arm (6) is connected with the bottom inside the second connecting hole (12) through a second elastic piece (18);
plasticine (7);
a rubber layer (8), the rubber layer (8) being disposed at the other end of the first connecting arm (2) and the second connecting arm (6).
2. A valve housing airtightness inspection apparatus according to claim 1, wherein: the vacuum cleaner is also provided with a cart (14), and an air pump (15), a generator (16) for driving the air pump (15) and a conduit (17) for connecting the air pump (15) and the vacuum generator (3) are fixedly arranged on the cart (14).
3. A valve housing airtightness inspection apparatus according to claim 1, wherein: the distance between the adjacent first connecting holes (9) is 3-5 mm, and the distance between the first connecting holes (9) and the second connecting holes (12) is consistent.
4. A valve housing airtightness inspection apparatus according to claim 1, wherein: the first shell (1) and the second shell (5) are both made of transparent plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375054.5A CN110887615B (en) | 2019-12-27 | 2019-12-27 | Valve shell airtight inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375054.5A CN110887615B (en) | 2019-12-27 | 2019-12-27 | Valve shell airtight inspection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110887615A true CN110887615A (en) | 2020-03-17 |
| CN110887615B CN110887615B (en) | 2024-06-18 |
Family
ID=69753271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911375054.5A Active CN110887615B (en) | 2019-12-27 | 2019-12-27 | Valve shell airtight inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110887615B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008224307A (en) * | 2007-03-09 | 2008-09-25 | Canon Anelva Technix Corp | Leakage inspection device |
| CN101542259A (en) * | 2006-11-21 | 2009-09-23 | 卡泊尔投资公司 | External pipe testing tool and testing method using same |
| CN201993206U (en) * | 2011-01-10 | 2011-09-28 | 萨帕铝热传输(上海)有限公司 | Sheet leakage detection tool |
| JP2015135246A (en) * | 2014-01-16 | 2015-07-27 | 三菱重工業株式会社 | Pipe leak inspection device |
| CN205748827U (en) * | 2016-06-22 | 2016-11-30 | 上海江南长兴重工有限责任公司 | A kind of Pipeline Leakage Point checks device |
| KR20170129370A (en) * | 2016-05-17 | 2017-11-27 | 조중훈 | Leakage detecting apparatus |
| CN206920084U (en) * | 2017-05-19 | 2018-01-23 | 中广核工程有限公司 | Airtight leakage detection apparatus |
| CN209400151U (en) * | 2019-03-30 | 2019-09-17 | 金德橡胶（福建）有限公司 | A kind of inspection inner tyre leakage device |
-
2019
- 2019-12-27 CN CN201911375054.5A patent/CN110887615B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542259A (en) * | 2006-11-21 | 2009-09-23 | 卡泊尔投资公司 | External pipe testing tool and testing method using same |
| JP2008224307A (en) * | 2007-03-09 | 2008-09-25 | Canon Anelva Technix Corp | Leakage inspection device |
| CN201993206U (en) * | 2011-01-10 | 2011-09-28 | 萨帕铝热传输(上海)有限公司 | Sheet leakage detection tool |
| JP2015135246A (en) * | 2014-01-16 | 2015-07-27 | 三菱重工業株式会社 | Pipe leak inspection device |
| KR20170129370A (en) * | 2016-05-17 | 2017-11-27 | 조중훈 | Leakage detecting apparatus |
| CN205748827U (en) * | 2016-06-22 | 2016-11-30 | 上海江南长兴重工有限责任公司 | A kind of Pipeline Leakage Point checks device |
| CN206920084U (en) * | 2017-05-19 | 2018-01-23 | 中广核工程有限公司 | Airtight leakage detection apparatus |
| CN209400151U (en) * | 2019-03-30 | 2019-09-17 | 金德橡胶（福建）有限公司 | A kind of inspection inner tyre leakage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110887615B (en) | 2024-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204739355U (en) | Bellows is prevented leaking in vacuum | |
| CN110887615A (en) | Valve housing airtightness inspection device | |
| KR101536621B1 (en) | Inspection device of fuel gas double pipe for ship | |
| CN108679316A (en) | Thimble assembly, wall pipe assembly and air conditioner | |
| CN203411605U (en) | Vacuum chamber observation window device | |
| US10683957B2 (en) | Pipe connecting joint | |
| CN205036994U (en) | Bellows seal positioning structure | |
| US10279206B2 (en) | Fire extinguishing system of aircraft, and aircraft | |
| CN217980709U (en) | Pressure pipeline interface tightness detection device | |
| WO2017133585A1 (en) | Rubber airbladder having multiple curved surfaces and single opening | |
| CN208417798U (en) | Thimble assembly, wall pipe assembly and air conditioner | |
| CN104729805B (en) | Acid and alkali-resistant glove leakage detection device | |
| CN106092470A (en) | Pressure reaction still leak detector | |
| CA2756114C (en) | Acoustic elbow for fluid transport pipelines | |
| JP2019135482A (en) | Gas leakage detection device | |
| CN205640036U (en) | Boats and ships pipeline trapping devices | |
| CN204213541U (en) | A kind of new tube joint | |
| WO2020211799A1 (en) | Rubber sleeve for pneumatic cut-off device and pneumatic cut-off device | |
| JP2002349739A (en) | Valve box | |
| CN110318829A (en) | A kind of elastic piece seal structure | |
| TWI549805B (en) | Branch tube lining method and branch pipe lining device | |
| JP5845948B2 (en) | Wire harness, grommet water stop inspection method and grommet water stop inspection device | |
| CN221054460U (en) | Pipeline device | |
| CN211398708U (en) | Valve protection box | |
| CN204805524U (en) | Seal assembly with fold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |