CN213180581U - Valve air tightness detection device with simple structure - Google Patents
Valve air tightness detection device with simple structure Download PDFInfo
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- CN213180581U CN213180581U CN202021668454.3U CN202021668454U CN213180581U CN 213180581 U CN213180581 U CN 213180581U CN 202021668454 U CN202021668454 U CN 202021668454U CN 213180581 U CN213180581 U CN 213180581U
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Abstract
The utility model discloses a simple structure's valve gas tightness detection device, concretely relates to industry detection area, including the air pump, the output of air pump is provided with the connection carrier, the fixed connecting pipe an that is provided with between connection carrier and the air pump is provided with the check valve in the connecting pipe a, the top of connection carrier is provided with the pressure meter, connection carrier is kept away from air pump one end and is provided with connecting pipe b, connecting pipe b's outside is provided with the rubber overcoat, one of them top and the bottom symmetry of connection carrier are provided with outer branch, and the top and the bottom symmetry of another connection carrier are provided with the inner support rod, be provided with the connecting rod between outer branch and the inner support rod. The utility model discloses a be equipped with nimble gear and slide bar, realized carrying out quick fixed to the valve of various sizes, the parcel of rubber leather sheath has guaranteed to keep good gas tightness between detection device and the measured valve, makes the gas tightness to the valve detect more convenient and accurate.
Description
Technical Field
The utility model relates to an industrial detection technical field, more specifically say, the utility model relates to a simple structure's valve gas tightness monitoring devices.
Background
The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like. The valves used for fluid control range from the simplest stop valve to various valves used in a very complicated automatic control system, and have various varieties and specifications, the working pressure of the valves can be from 0.0013MPa to 1000MPa of ultrahigh pressure, and the working temperature can be from-270 ℃ of ultralow temperature to 1430 ℃ of high temperature. Before the valve is shipped for use, a strength test and a gas tightness test are required.
At present, when the valve airtightness test is carried out, a valve is usually fixed on a high-pressure ventilation pipeline, then the pipeline and the valve are simultaneously placed into a water tank, and high-pressure gas is introduced into the pipeline to test whether the valve airtightness meets the requirement. Because the valves are all installed on the high-pressure pipeline, in order to guarantee the requirement of the valve pressure, only the valve detection with the same design pressure can be carried out, and the test is not convenient enough.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects in the prior art, the embodiment of the present invention provides a valve airtightness monitoring device with a simple structure, and the technical problem to be solved by the present invention is: the instrument and the tested valve are quickly fixed under good air-tight connection and the air tightness of the valve is detected.
In order to achieve the above object, the utility model provides a following technical scheme: a valve airtightness monitoring device with a simple structure comprises an air pump, wherein a connecting carrier is arranged at the output end of the air pump, a connecting pipe a is fixedly arranged between the connecting carrier and the air pump, a one-way valve is arranged in the connecting pipe a, a pressure gauge is arranged at the top of the connecting carrier, a connecting pipe b is arranged at one end, away from the air pump, of the connecting carrier, a rubber jacket is arranged outside the connecting pipe b, outer support rods are symmetrically arranged at the top end and the bottom end of one of the connecting carriers, inner support rods are symmetrically arranged at the top end and the bottom end of the other connecting carrier, a connecting rod is arranged between the outer support rods and the inner support rods, one end of the connecting rod is fixedly connected with the outer support rods, the other end of the connecting rod penetrates into the inner support rods, one end of each outer support, the gear rod is characterized in that a slide way is fixedly arranged on one side, close to the gear rod, of the outer side of the inner support rod, a gear is arranged at one end, far away from the outer support rod, of the gear rod, the gear rod is in rolling connection with the inner support rod through the gear and the slide way, a push rod slide way is arranged on one side, close to the gear, of the gear rod, and a push rod is arranged in the push rod slide.
In a preferred embodiment, the air pump is tightly connected with the connecting pipe a, the connecting pipe a and the connecting carrier, and the connecting carrier is tightly connected with the connecting pipe b, the connecting carrier is tightly connected with the pressure gauge, and the air tightness is good.
In a preferred embodiment, the outer wall of the connecting pipe b is sleeved with a rubber sleeve.
In a preferred embodiment, the connection between the inner support rod and the connecting rod is hollow.
In a preferred embodiment, the inner diameter of the inner strut is equal to the outer diameter of the connecting rod.
In a preferred embodiment, the push rod has one end within the push rod slide and the other end outside the gear rod.
In a preferred embodiment, the outer strut, the gear bar, the connecting bar and the inner strut all move in the same plane.
The utility model discloses a technological effect and advantage:
1. the utility model is provided with the flexible gear and the flexible slide bar, which is beneficial to quickly fixing valves with various sizes;
2. the utility model discloses a be equipped with the rubber leather sheath of parcel outside the connecting tube, be favorable to keeping good gas tightness between detection device and the measured valve to reduce the error that detects greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the overall structure of the present invention.
Fig. 3 is a schematic view of the gear connection of the present invention.
The reference signs are: 1 air pump, 2 connecting pipes a, 3 connecting carriers, 4 pressure gauges, 5 connecting pipes b, 6 rubber jackets, 7 outer support rods, 8 gear rods, 9 connecting rods, 10 inner support rods, 11 slideways, 12 gears, 13 push rods, 14 push rod slideways and 15 one-way valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a simple structure's valve gas tightness detection device, including air pump 1, the output of air pump 1 is provided with connection carrier 3, fixedly between connection carrier 3 and air pump 1 be provided with connecting pipe a 2, is provided with check valve 15 in the connecting pipe a 2, the top of connection carrier 3 is provided with pressure gauge 4, the one end of connection carrier 3 far away from air pump 1 is provided with connecting pipe b 5, the outside of connecting pipe b 5 is provided with rubber coat 6, the top and the bottom symmetry of one of connection carrier 3 are provided with outer branch 7, the top and the bottom symmetry of another connection carrier 3 are provided with inner branch 10, be provided with connecting rod 9 between outer branch 7 and inner branch 10, the one end of connecting rod 9 and outer branch 7 fixed connection, the other end of connecting rod 9 penetrates inner branch 10, the one end of outer branch 7 is provided with fixed connection's gear lever 8, the gear rod 8 is parallel to one side of the connecting rod 9 far away from the connecting carrier 3, a slide 11 is fixedly arranged on one side of the outer side of the inner support rod 10 close to the gear rod 8, a gear 12 is arranged at one end of the gear rod 8 far away from the outer support rod 7, the gear rod 8 and the inner support rod 10 are in rolling connection with the slide 11 through the gear 12, a push rod slide 14 is arranged on one side of the gear rod 8 close to the gear 12, and a push rod 13 is arranged in the push rod slide 14.
The air pump 1 and the connecting pipe a 2, the connecting pipe a 2 and the connecting carrier 3, the connecting carrier 3 and the connecting pipe b 5, and the connecting carrier 3 and the pressure gauge 4 are all tightly connected, the air tightness is good, the rubber sleeve 6 is sleeved on the outer wall of the connecting pipe b 5, the joint of the inner support rod 10 and the connecting rod 9 is hollow, the inner diameter of the inner support rod 10 is equal to the outer diameter of the connecting rod 9, the gear rod 8, the connecting rod 9 and the slide are all long enough, one end of the push rod 13 is arranged in the push rod slide 14, the other end of the push rod is arranged outside the gear rod 8, and the outer support rod 7, the gear rod 8, the connecting rod 9 and the inner support rod.
As shown in fig. 1 to 3, the embodiment specifically is as follows: before the tested valve is fixed, the distance between the connecting pipes b 5 is adjusted to a proper size through the gear 12 and the slide way 11, the tested valve is placed between the two connecting pipes b 5, the connecting hole of the valve is aligned with the connecting pipe b 5, the distance between the connecting pipes b 5 is adjusted through the gear 12 and the slide way 11, the detection device and the tested valve tightly extrude the rubber jacket 6 and are connected together, the push rod 13 is pushed to lock the gear 12 while the connection is tight, the detection device and the tested valve do not move relatively any more, the valve is slightly kept stand after the fixation is finished, the valve is screwed to an open state, the output end of the air pump 1 is connected with a connecting carrier through the connecting pipe a 2 provided with the one-way valve 15, after the connection is finished, certain air pressure is added to the whole detection device through the air pump 1 to enable the pointers of the pressure gauges 4 at two sides to be turned to the middle scale of the dial, the reading, if the pressure gauge 4 is not changed, the valve is indicated to be good in air tightness in the open state, then the valve is screwed to the closed state, the air pressure at one end of the valve is reduced to be in a lower state, standing observation is carried out, if the pressure gauge 4 is not changed, the valve is indicated to be good in air tightness in the closed state, after detection is completed, the push rod 13 is pushed out, the gear 12 is unlocked, and then the connecting rod is pulled to take out the valve to be detected.
The utility model discloses the theory of operation: the instrument inputs compressed air with accurate control pressure into a test piece, then automatically shuts off an inflation air source, in the detection process, the air with large pressure always diffuses to the air with small pressure, and the air tightness of the valve can be judged whether to be good or not by observing the change of a pointer of the pressure gauge 4.
In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connecting" are to be understood in a broad sense, and may be mechanical or electrical, or may be communication between two elements, and may be directly connected, and "upper," "lower," "left," "right," and the like are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a simple structure's valve gas tightness detection device, includes air pump (1), its characterized in that: the air pump is characterized in that a connecting carrier (3) is arranged at the output end of the air pump (1), a connecting pipe a (2) is fixedly arranged between the connecting carrier (3) and the air pump (1), a one-way valve (15) is arranged in the connecting pipe a (2), a pressure gauge (4) is arranged at the top of the connecting carrier (3), a connecting pipe b (5) is arranged at one end, far away from the air pump (1), of the connecting carrier (3), a rubber sleeve (6) is arranged outside the connecting pipe b (5), outer support rods (7) are symmetrically arranged at the top end and the bottom end of one of the connecting carriers (3), inner support rods (10) are symmetrically arranged at the top end and the bottom end of the other connecting carrier (3), a connecting rod (9) is arranged between the outer support rods (7) and the inner support rods (10), one end of the connecting rod (9) is fixedly connected with the outer support, the one end of outer branch (7) is provided with fixed connection's gear pole (8), gear pole (8) are on a parallel with connecting rod (9) and keep away from one side of connecting carrier (3), one side that inner support pole (10) outside is close to gear pole (8) is fixed and is provided with slide (11), gear pole (8) are kept away from outer branch (7) one end and are provided with gear (12), through gear (12) and slide (11) roll connection between gear pole (8) and inner support pole (10), gear pole (8) are being provided with push rod slide (14) being close to gear (12) one side, be provided with push rod (13) in push rod slide (14).
2. The valve airtightness detection apparatus according to claim 1, wherein: the air pump (1) and the connecting pipe a (2), the connecting pipe a (2) and the connecting carrier (3), the connecting carrier (3) and the connecting pipe b (5), and the connecting carrier (3) and the pressure gauge (4) are all tightly connected, and the air tightness is good.
3. The valve airtightness detection apparatus according to claim 1, wherein: the outer wall of the connecting pipe b (5) is sleeved with a rubber sleeve (6).
4. The valve airtightness detection apparatus according to claim 1, wherein: the joint of the inner support rod (10) and the connecting rod (9) is hollow.
5. The valve airtightness detection apparatus according to claim 1, wherein: the inner diameter of the inner support rod (10) is equal to the outer diameter of the connecting rod (9).
6. The valve airtightness detection apparatus according to claim 1, wherein: the gear rod (8), the connecting rod (9) and the slide way are all long enough.
7. The valve airtightness detection apparatus according to claim 1, wherein: one end of the push rod (13) is arranged in the push rod slide way (14), and the other end of the push rod is arranged outside the gear rod (8).
8. The valve airtightness detection apparatus according to claim 1, wherein: the outer support rod (7), the gear rod (8), the connecting rod (9) and the inner support rod (10) all move on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668454.3U CN213180581U (en) | 2020-08-13 | 2020-08-13 | Valve air tightness detection device with simple structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668454.3U CN213180581U (en) | 2020-08-13 | 2020-08-13 | Valve air tightness detection device with simple structure |
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| Publication Number | Publication Date |
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| CN213180581U true CN213180581U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021668454.3U Active CN213180581U (en) | 2020-08-13 | 2020-08-13 | Valve air tightness detection device with simple structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720067A (en) * | 2022-04-28 | 2022-07-08 | 江苏恒义工业技术有限公司 | Air tightness detection device of battery box |
-
2020
- 2020-08-13 CN CN202021668454.3U patent/CN213180581U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720067A (en) * | 2022-04-28 | 2022-07-08 | 江苏恒义工业技术有限公司 | Air tightness detection device of battery box |
| CN114720067B (en) * | 2022-04-28 | 2023-02-21 | 江苏恒义工业技术有限公司 | Air tightness detection device of battery box |
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