CN212110491U - Leakproofness detection device is used in gate valve production - Google Patents
Leakproofness detection device is used in gate valve production Download PDFInfo
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- CN212110491U CN212110491U CN202021143562.9U CN202021143562U CN212110491U CN 212110491 U CN212110491 U CN 212110491U CN 202021143562 U CN202021143562 U CN 202021143562U CN 212110491 U CN212110491 U CN 212110491U
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- gate valve
- detection box
- carbon dioxide
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Abstract
The utility model provides a leakproofness detection device is used in gate valve production belongs to the gate valve and detects technical field, be in including detection case and setting the outside air pump in detection case one side, the inside keeping away from of detection case one side of air pump is connected with the support column through adjusting part, the support column is kept away from adjusting part's one end is provided with first flange, the air pump output extends to through the connecting pipe inside and the intercommunication of detection case have an admission line, admission line keeps away from the one end of air pump is provided with the second flange. The embodiment of the utility model provides a have simple structure, low cost, simple to operate and the good advantage of detection effect, let in the gate valve through the air that will mix with carbon dioxide inside, when the gate valve is sealed not tight, the air that thoughtlessly has carbon dioxide then can escape the gate valve, and carbon dioxide carries out color reaction with the moist PH test paper strip of detection incasement portion, observes this phenomenon through the visual window, can make the judgement to the leakproofness of gate valve.
Description
Technical Field
The utility model belongs to the technical field of the gate valve detects, specifically a leakproofness detection device is used in gate valve production.
Background
The gate valve is a shutter, the movement direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.
The leakproofness of the gate valve needs to be detected after production, so that the gate valve with unqualified sealing performance is prevented from flowing into the market, and the reputation of an enterprise is prevented from being influenced.
In the prior art, most of the detection on the sealing performance of the gate valve is carried out by various precise detection instruments, so that the detection cost is high, and meanwhile, the subsequent maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the embodiment of the utility model provides a technical problem who solves provides a leakproofness detection device is used in gate valve production.
In order to solve the technical problem, the utility model provides a following technical scheme:
a tightness detection device for gate valve production comprises a detection box and an air pump arranged outside one side of the detection box, one side of the interior of the detection box, which is far away from the air pump, is connected with a supporting column through an adjusting component, one end of the supporting column, which is far away from the adjusting component, is provided with a first flange, the output end of the air pump extends into the detection box through a connecting pipe and is communicated with an air inlet pipeline, a second flange is arranged at one end of the air inlet pipeline, which is far away from the air pump, the side wall of the air inlet pipeline is communicated with a carbon dioxide inlet pipe, one end of the carbon dioxide inlet pipe, which is far away from the air inlet pipeline, extends to the outside of the detection box and is connected with an external carbon dioxide generation mechanism, the inside PH test paper strip that is provided with of detection case, detection case the place ahead articulates there is the sealing door, be provided with on the sealing door with the corresponding visual window of PH test paper strip.
As a further improvement of the utility model: the adjusting part comprises a supporting rod fixedly installed on the side wall of the detection box and a sleeve fixedly connected to the supporting rod and far away from one end of the first flange, and the supporting rod extends to the interior of the sleeve and is in telescopic fit with the sleeve.
As a further improvement of the utility model: the visual window is made of a transparent glass plate.
As a further improvement of the utility model: an elastic body is arranged inside the sleeve.
As a further improvement of the present invention: the elastic body is a spring.
Compared with the prior art, the beneficial effects of the utility model are that:
the embodiment of the utility model provides a have simple structure, low cost, simple to operate and the good advantage of detection effect, let in the gate valve through the air that will mix with carbon dioxide inside, when the gate valve is sealed not tight, the air that thoughtlessly has carbon dioxide then can escape the gate valve, and carbon dioxide carries out color reaction with the moist PH test paper strip of detection incasement portion, observes this phenomenon through the visual window, can make the judgement to the leakproofness of gate valve.
Drawings
FIG. 1 is a schematic structural view of a tightness detecting device for gate valve production;
FIG. 2 is a schematic structural view of a detection box in the tightness detection device for gate valve production;
FIG. 3 is an enlarged view of area A of FIG. 1;
in the figure: the detection device comprises a detection box 1, a support column 2, a first flange 3, a first joint 4, a gate valve 5, a second joint 6, a second flange 7, an air inlet pipeline 8, an air pump 9, a connecting pipe 10, a carbon dioxide inlet pipe 11, a pH test strip 12, a sealing door 13, a visual window 14, a support rod 15, a sleeve 16 and an elastomer 17.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, the embodiment provides a tightness detection device for gate valve production, which includes a detection box 1 and an air pump 9 disposed outside one side of the detection box 1, which is far away from the air pump 9, is connected to a support column 2 through an adjustment assembly, one end of the support column 2, which is far away from the adjustment assembly, is provided with a first flange 3, an output end of the air pump 9 extends into the detection box 1 through a connection pipe 10 and is communicated with an air inlet pipe 8, one end of the air inlet pipe 8, which is far away from the air pump 9, is provided with a second flange 7, a side wall of the air inlet pipe 8 is communicated with a carbon dioxide inlet pipe 11, one end of the carbon dioxide inlet pipe 11, which is far away from the air inlet pipe 8, extends to the outside of the detection box 1 and is connected with an external carbon dioxide generation mechanism (, the front of the detection box 1 is hinged with a sealing door 13, and the sealing door 13 is provided with a visual window 14 corresponding to the PH test strip 12.
Firstly wetting a PH test strip 12 in a detection box 1, placing a gate valve 5 to be detected in the detection box 1, connecting a first joint 4 of the gate valve 5 with a support column 2 through a first flange 3, connecting a second joint 6 of the gate valve 5 with an air inlet pipeline 8 through a second flange 7, closing a sealing door 13, blowing air into a connecting pipe 10 through an air pump 9, enabling the air to enter the inside of the gate valve 5 through the connecting pipe 10 and the air inlet pipeline 8, simultaneously introducing carbon dioxide into the inside of the air inlet pipeline 8 through a carbon dioxide inlet pipe 11 by utilizing an external carbon dioxide generating mechanism, enabling the carbon dioxide to enter the inside of the gate valve 5 along with the air, enabling the air and the carbon dioxide in the inside of the gate valve 5 to escape from the inside of the gate valve 5 when the gate valve 5 has the problem of poor sealing, enabling the carbon dioxide to react with water on the wetted PH test strip 12 to generate carbonic, based on this, people can observe the PH test paper 12 through the visual window 14 to judge whether gate valve 5 has the problem of not tight seal.
Specifically, the adjusting assembly comprises a supporting rod 15 fixedly installed on the side wall of the detection box 1 and a sleeve 16 fixedly connected to one end, far away from the first flange 3, of the supporting column 2, and the supporting rod 15 extends to the interior of the sleeve 16 and is in telescopic fit with the sleeve 16.
When the gate valve 5 is placed in the detection box 1, the support column 2 can move towards the inner wall of the detection box 1, so that the distance between the support column 2 and the air inlet pipeline 8 is large enough, and the gate valve 5 can be conveniently placed between the support column 2 and the air inlet pipeline 8; after the gate valve 5 is placed between the air inlet pipelines 8, the second joint of the gate valve 5 is firstly connected with the second flange 7 at the end part of the air inlet pipeline 8, then the support column 2 is pulled, so that the support column 2 drives the sleeve 16 to slide along the support rod 15, the first flange 3 at the end part of the support column 2 is connected with the first joint 4 of the gate valve 5, and the smooth installation of the gate valve 5 is further completed.
In this embodiment, the viewing window 14 is made of a transparent glass plate.
The working principle of the embodiment is as follows: firstly wetting a PH test strip 12 in a detection box 1, placing a gate valve 5 to be detected in the detection box 1, connecting a first joint 4 of the gate valve 5 with a support column 2 through a first flange 3, connecting a second joint 6 of the gate valve 5 with an air inlet pipeline 8 through a second flange 7, closing a sealing door 13, blowing air into a connecting pipe 10 through an air pump 9, enabling the air to enter the inside of the gate valve 5 through the connecting pipe 10 and the air inlet pipeline 8, simultaneously introducing carbon dioxide into the inside of the air inlet pipeline 8 through a carbon dioxide inlet pipe 11 by utilizing an external carbon dioxide generating mechanism, enabling the carbon dioxide to enter the inside of the gate valve 5 along with the air, enabling the air and the carbon dioxide in the inside of the gate valve 5 to escape from the inside of the gate valve 5 when the gate valve 5 has the problem of poor sealing, enabling the carbon dioxide to react with water on the wetted PH test strip 12 to generate carbonic, based on this, people can observe the PH test paper 12 through the visual window 14 to judge whether gate valve 5 has the problem of not tight seal.
Example 2
Referring to fig. 3, in a sealing performance detecting apparatus for gate valve production, in this embodiment, compared with embodiment 1, an elastic body 17 is disposed inside the sleeve 16, and a certain pulling effect can be generated on the sleeve 16 and the supporting pillar 2 by the arrangement of the elastic body 17, so that before the gate valve 5 is not installed, the specific area between the supporting pillar 2 and the air inlet pipe 8 is always kept large enough, and the installation efficiency of the gate valve 5 is further improved.
Specifically, the elastic body 17 is a spring.
The embodiment of the utility model provides a have simple structure, low cost, simple to operate and the good advantage of detection effect, let in gate valve 5 through the air that will mix with carbon dioxide inside, when gate valve 5 is sealed not tight, the air that thoughtlessly has carbon dioxide then can escape gate valve 5, carbon dioxide carries out color reaction with the moist PH test paper strip 12 of detection case 1 inside, observes this phenomenon through visual window 14, can make the judgement to the leakproofness of gate valve 5.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The sealing detection device for the production of the gate valve is characterized by comprising a detection box (1) and an air pump (9) arranged outside one side of the detection box (1), wherein one side, far away from the air pump (9), of the detection box (1) is connected with a support column (2) through an adjusting component, one end, far away from the adjusting component, of the support column (2) is provided with a first flange (3), the output end of the air pump (9) extends into the detection box (1) through a connecting pipe (10) and is communicated with an air inlet pipeline (8), one end, far away from the air pump (9), of the air inlet pipeline (8) is provided with a second flange (7), the side wall of the air inlet pipeline (8) is communicated with a carbon dioxide inlet pipe (11), one end, far away from the air inlet pipeline (8), of the carbon dioxide inlet pipe (11) extends to the outside of the detection box (1) and is connected with an external, the detection box is characterized in that a PH test strip (12) is arranged in the detection box (1), a sealing door (13) is hinged in front of the detection box (1), and a visual window (14) corresponding to the PH test strip (12) is arranged on the sealing door (13).
2. The tightness detection device for gate valve production according to claim 1, wherein the adjusting assembly comprises a support rod (15) fixedly installed on the side wall of the detection box (1) and a sleeve (16) fixedly connected to one end of the support column (2) far away from the first flange (3), the support rod (15) extends into the sleeve (16) and is in telescopic fit with the sleeve (16).
3. The tightness test device for gate valve production according to claim 1 or 2, wherein the visual window (14) is made of a transparent glass plate.
4. The tightness detection device for gate valve production according to claim 2, wherein an elastic body (17) is provided inside the sleeve (16).
5. The tightness detection device for gate valve production according to claim 4, wherein the elastic body (17) is a spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143562.9U CN212110491U (en) | 2020-06-19 | 2020-06-19 | Leakproofness detection device is used in gate valve production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021143562.9U CN212110491U (en) | 2020-06-19 | 2020-06-19 | Leakproofness detection device is used in gate valve production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945325A (en) * | 2021-11-03 | 2022-01-18 | 芜湖市华益阀门制造有限公司 | Gate valve air tightness detection device and method |
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2020
- 2020-06-19 CN CN202021143562.9U patent/CN212110491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945325A (en) * | 2021-11-03 | 2022-01-18 | 芜湖市华益阀门制造有限公司 | Gate valve air tightness detection device and method |
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