CN201716165U - Gas tightness detecting device - Google Patents

Gas tightness detecting device Download PDF

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Publication number
CN201716165U
CN201716165U CN2010202576499U CN201020257649U CN201716165U CN 201716165 U CN201716165 U CN 201716165U CN 2010202576499 U CN2010202576499 U CN 2010202576499U CN 201020257649 U CN201020257649 U CN 201020257649U CN 201716165 U CN201716165 U CN 201716165U
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CN
China
Prior art keywords
gas
opening
channel
connector
stop valve
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.)
Expired - Fee Related
Application number
CN2010202576499U
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Chinese (zh)
Inventor
王成林
王�琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Wuzi University
Original Assignee
Beijing Wuzi University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Wuzi University filed Critical Beijing Wuzi University
Priority to CN2010202576499U priority Critical patent/CN201716165U/en
Application granted granted Critical
Publication of CN201716165U publication Critical patent/CN201716165U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a gas tightness detecting device which comprises a connector. An opening is arranged at one end of the connector; three channels communicated with the opening are arranged at the other end of the connector; the opening is in an internal thread shape; a sealing rubber ring is arranged at the bottom of the opening to be used for being in tight coupling with parts and components to be tested through threads; the three channels respectively adopt a gas input channel, a gas output channel and a gas pressure testing channel; pipeline sealing rings are arranged at the interiors of the three channels; the gas input channel is communicated with atmosphere through a hand stop valve; the gas output channel is connected with a vacuum pump through a hand stop valve; and the gas pressure testing channel is connected with a gas pressure testing instrument. The device can detect the gas tightness of parts and components with openings, and has the advantages of small volume, simple operation and short detection time.

Description

A kind of air-tightness detection device
Technical field
The utility model belongs to electromechanical integration technology area, particularly a kind of device that parts to be measured is carried out the impermeability detection.
Background technology
After parts such as pipe, joint, switching mouth, fuel tank, tank body are produced, all need to carry out impermeability and detect.Detection method commonly used at present is that testpieces is placed water-filled tank, charges into gas in testpieces, if testpieces has gas to leak, has gas and discharges, and forms bubble in tank.Because the testpieces complex structure, material is various, and physical dimension difference is big, adopts traditional water filling leak detection formula method to make water resource waste big, and needs bigger storage container to operate, and floor area is big.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of air-tightness detection device, and this device volume is little, simple to operate, detection time short.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of air-tightness detection device, comprise a connector, and an end of described connector is provided with an opening, and the other end is provided with three passages that communicate with described opening; Described opening is the internal thread shape, and the bottom is provided with sealing rubber ring, is used for being connected with parts thread seal to be measured; Described three passages are respectively gas input passage, gas output channel, gaseous tension test channel, and three channel interior are provided with the line seal circle; Described gas input passage is connected with atmosphere by first hand stop valve; Described gas output channel links to each other with vacuum pump by second hand stop valve; Described gaseous tension test channel links to each other with the gaseous tension test instrumentation.
The beneficial effects of the utility model are: change traditional water filling leak detection formula method, adopt gas detection method, and simple to operate and little to site requirements.
Description of drawings
Fig. 1 is the utility model pick-up unit connector master cut-open view;
Fig. 2 is the utility model pick-up unit connector vertical view;
Fig. 3 is the utility model pick-up unit connector upward view;
Fig. 4 is the utility model pick-up unit structural representation.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described.
As Figure 1-3, an end of connector 1 is provided with an opening 2, and the other end is provided with three passages that communicate with described opening; Opening 2 is the internal thread shape, and the bottom is provided with sealing rubber ring 3, is used for being connected with parts thread seal to be measured; Three passages are respectively gas input passage 4, gas output channel 5,6, three channel interior of gaseous tension test channel and are provided with a line seal circle 7.
As described in Figure 4, this air-tightness detection device, the gas input passage 4 on the connector is connected with ambient atmosphere by first hand stop valve 8; Gas output channel 5 links to each other with vacuum pump 10 by second hand stop valve 9; Described gaseous tension test channel 6 links to each other with gaseous tension test instrumentation 11.
When parts to be measured being carried out the impermeability detection, at first the parts external interface is linked to each other with test parts opening 1, form closed environment, when a plurality of interface being arranged if any the test parts, then should be with all the other sealing joints, to form the test job environment.Open second hand stop valve 9 on the gas output channel 5, start vacuum pump 10, reduce the gas pressure value of test parts inner space, close second hand stop valve 9 and vacuum pump 10 when reaching setting value.Carry out reading by the gaseous tension test instrumentation, the test pressure value of record test parts inner space; Observe gaseous tension test instrumentation 11 after ten minutes and carry out reading,, illustrate that then this part impermeability is bad, have defective, need further check if the gas pressure value reading raises, constant as reading, then need part to meet the requirements.
After end of test (EOT), first hand stop valve 8 that links to each other with gas input passage 4 can be opened, outside air enters, and recovers atmospheric pressure, and the web member that will be connected with parts pulls down, and prepares to check next time.
If test result is had a question, then can directly open first hand stop valve 8 that links to each other with gas input passage 4, thereby recover original test environment, from newly testing.
Need make corresponding web member when this device is used for different parts tests,, form test environment to be connected with the test parts.For this device of parts that does not have link position and inapplicable.

Claims (1)

1. air-tightness detection device, it is characterized in that: comprise a connector, an end of described connector is provided with an opening, and the other end is provided with three passages that communicate with described opening; Described opening is the internal thread shape, and the bottom is provided with sealing rubber ring, and this opening is used for being connected with parts thread seal to be measured; Described three passages are respectively gas input passage, gas output channel, gaseous tension test channel, and three channel interior are provided with the line seal circle; Described gas input passage is connected with atmosphere by first hand stop valve; Described gas output channel links to each other with vacuum pump by second hand stop valve; Described gaseous tension test channel links to each other with the gaseous tension test instrumentation.
CN2010202576499U 2010-07-14 2010-07-14 Gas tightness detecting device Expired - Fee Related CN201716165U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202576499U CN201716165U (en) 2010-07-14 2010-07-14 Gas tightness detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202576499U CN201716165U (en) 2010-07-14 2010-07-14 Gas tightness detecting device

Publications (1)

Publication Number Publication Date
CN201716165U true CN201716165U (en) 2011-01-19

Family

ID=43462169

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202576499U Expired - Fee Related CN201716165U (en) 2010-07-14 2010-07-14 Gas tightness detecting device

Country Status (1)

Country Link
CN (1) CN201716165U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104535265A (en) * 2014-12-18 2015-04-22 四川安东油气工程技术服务有限公司 High pressure converting device for high-pressure gas leakage detection
CN105228073A (en) * 2014-06-26 2016-01-06 致伸科技股份有限公司 Open air speakers gas leakage test macro and method
CN105258883A (en) * 2015-11-18 2016-01-20 江西洪都航空工业集团有限责任公司 Universal auxiliary oil tank pressurization measuring device
CN106706226A (en) * 2015-07-20 2017-05-24 深圳先进技术研究院 Sealing performance detection system
CN109916559A (en) * 2019-02-20 2019-06-21 嘉兴福可吉精密机械有限公司 Hub bearing shock resistance sealing test device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105228073A (en) * 2014-06-26 2016-01-06 致伸科技股份有限公司 Open air speakers gas leakage test macro and method
CN105228073B (en) * 2014-06-26 2019-06-18 惠州迪芬尼声学科技股份有限公司 Open air speakers gas leakage test macro and method
CN104535265A (en) * 2014-12-18 2015-04-22 四川安东油气工程技术服务有限公司 High pressure converting device for high-pressure gas leakage detection
CN106706226A (en) * 2015-07-20 2017-05-24 深圳先进技术研究院 Sealing performance detection system
CN105258883A (en) * 2015-11-18 2016-01-20 江西洪都航空工业集团有限责任公司 Universal auxiliary oil tank pressurization measuring device
CN109916559A (en) * 2019-02-20 2019-06-21 嘉兴福可吉精密机械有限公司 Hub bearing shock resistance sealing test device

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110119

Termination date: 20170714

CF01 Termination of patent right due to non-payment of annual fee