CN201974277U - Air-tight testing device - Google Patents
Air-tight testing device Download PDFInfo
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- CN201974277U CN201974277U CN2011200399244U CN201120039924U CN201974277U CN 201974277 U CN201974277 U CN 201974277U CN 2011200399244 U CN2011200399244 U CN 2011200399244U CN 201120039924 U CN201120039924 U CN 201120039924U CN 201974277 U CN201974277 U CN 201974277U
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- air
- joint
- gas
- test device
- intake opening
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Abstract
The utility model provides an air-tight testing device, which comprises a water transport pipeline and also comprises an air source and a first joint, wherein the water transport pipeline is provided with an air inlet and an air outlet; the air source is connected with the air inlet; the air source and the air inlet are connected through an air pressure indicator and a regulating switch; the air pressure indicator and the regulating switch are arranged in manner of alternate connection; and the first joint is connected with the air outlet. Thus, compressed air is utilized by the air-tight testing device to carry out air-tight inspection on the water transport pipeline in a mould; according to the characteristic that the flowability of gas is stronger than that of water, whether a set of water transport pipelines leaks or not can be detected in 2-5 minutes. The testing device is simple to operate, and thereby, the detection time is saved, and the economic benefits are improved. Moreover, compared with the prior art, the testing process is safer and more reliable. Moreover, as the first joint has the characteristic of high interchangeability, the first joint can be replaced at short notice, and the replacement is convenient. Moreover, the air-tight testing device can adapt to the air outlets on the mould water transport pipelines with different standards.
Description
Technical field
The utility model relates to a kind of servicing unit, relates in particular to a kind of proving installation that mould fortune water is checked its sealing effectiveness that is used for.
Background technology
The leak detection of mould fortune water lines at present, mainly test with water pressure engine, water pressure engine utilizes the normal temperature clear water to do pumped (conveying) medium, can be used for the place that all kinds of pressure vessels, boiler, pipe fitting etc. need be made pressure test, lockable test pressure value as required, and can carry out automatic pressurize.
See also shown in Figure 1ly, general water pressure engine comprises installs blowdown valve and the surplus valve that is connected pressure testing pipeline two ends, and the method for testing of water pressure engine has the following steps:
A, open blowdown valve 11 ' handwheel and surplus valve 12 ' setting nut;
B, starter motor, running is 5 minutes under normal pressure, checks whether the running of water pump 13 ' is normal; If the no abnormal sound, and the discharge medium of water pump 13 ' do not have obvious fluctuation, and can carry out boost operations this moment;
C, close blowdown valve 11 ' handwheel, slowly regulate surplus valve 12 ' system pressure is slowly risen, reach test pressure after, unclamp the discharge pressure of surplus valve 12 ' setting nut with removal water pump 13 ', shut down subsequently, at this moment, pressure testing pipeline 14 ' is in automatic packing state;
After d, pressure testing finish, open blowdown valve 11 ' handwheel, removal pressure testing pipeline 14 ' pressure;
E, if when being used for the constant voltage output medium, should close blowdown valve 11 ' handwheel, regulates surplus valve 12 ' and reach test pressure, and the locking set nut gets final product.
Usually, state water pressure engine in the use and come the leak detection of testing mould fortune water lines 14 ' to have following defective: one, install, dismounting is more numerous and diverse, if joint sealing is not tight during test, the hydraulic pressure of 3MPA can spray personnel is damaged, security is not strong; Its two, if nearly 20 groups in mould fortune water was calculated by one group of fortune of test water in 10 minutes consuming time, those 20 groups fortune water will consume 200 minutes, the mould productive temp will slow down.
The utility model content
The purpose of this utility model is to overcome the defective of prior art, and a kind of impermeability that can test the fortune water lines fast, easily is provided, and saves the proving installation of detection time.
The utility model is to realize like this, a kind of air tightness test device, comprise a fortune water lines, it is provided with an air intake opening and a gas outlet, described proving installation also comprises: a source of the gas, connect described air intake opening, be connected with a by-pass cock by an air pressure display instrument between described source of the gas and the described air intake opening, described air pressure display instrument is alternate with described by-pass cock to be connected setting; One first joint connects described gas outlet.
Further, comprise that also one second joint is installed and connected in described air intake opening, described air pressure display instrument is installed and connected in the other end of described second joint, and described by-pass cock one end is installed and connected in described air pressure display instrument, and the other end is installed by one the 3rd joint and connected described source of the gas.
Further, described air pressure display instrument is connected between described second joint and the described by-pass cock by a three-way connector.
Particularly, be provided with first anti-trippingly on described first joint, 90 degree are rotated with urgent cooperation in the described gas outlet of the described first anti-tripping cooperation; Be provided with second anti-trippingly on described second joint, the described air intake opening of the described second anti-tripping cooperation rotates 90 degree with urgent cooperation.
Further, described first anti-trippingly has one first groove; Described second anti-trippingly has one second groove.
Further, described air pressure display instrument is a rain glass.
Further, described by-pass cock is a high-pressure ball valve.
Particularly, described fortune water lines is located in the mould.
The utlity model has following technique effect:
1) a kind of air tightness test device of the utility model, provide a source of the gas to connect described air intake opening, be connected with a by-pass cock by an air pressure display instrument between described source of the gas and the described air intake opening, described air pressure display instrument is alternate with described by-pass cock to be connected setting, and provides one first joint to connect described gas outlet; Like this, utilize pressurized air that the fortune water lines in the mould is carried out airtight test, the characteristics stronger than water according to gas fluidity, can in 2-5 minute, detect one group of fortune water lines whether seepage is arranged, saved detection time thereby this proving installation is simple to operate, improved economic benefit, and test process is compared with prior art safer, reliable; In addition,, therefore can change at short notice, change convenient and can adapt to gas outlet on the mould fortune water lines of various criterion because described first joint has the strong characteristics of interchangeability.
2) the utility model further comprises one second joint and is installed and connected in described air intake opening, and the other end of described by-pass cock is installed by one the 3rd joint and connected described source of the gas; Wherein, described second joint, the 3rd joint also have the strong characteristics of interchangeability, also can change at short notice, change convenient and can adapt to air intake opening and described gas source interface on the mould fortune water lines of various criterion respectively.
3) on described first joint and described second joint, be respectively equipped with first groove and second groove, described first groove cooperates the steel ball in the gas outlet to rotate 90 degree with urgent cooperation, the steel ball that described second groove fits in the gas port rotates 90 degree with urgent cooperation, has guaranteed the proving installation good air-tightness.
Description of drawings
Fig. 1 is the utility model prior art structural representation;
Fig. 2 is the structural representation under the proving installation aeration status among the utility model embodiment;
Fig. 3 is the structural representation under the proving installation packing state among the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Usually, because the intermolecular distance of gas is big, diffusion easily, better mobile; In addition, liquid has certain viscosity, so the flowability of liquid is less than gas; And the utility model just is being based on the perviousness of pressure gas in the enclosure space characteristics stronger than water, a kind of air tightness test device is provided, pressurized air is imported in the fortune water lines of mould, seal air intake opening, gas outlet simultaneously, made its pressurize 2-5 minute, rely on the variation of barograph to judge whether impermeability in the fortune water lines of mould is intact, whether seepage is arranged, as in the barograph descension theory exposed conduit road seepage being arranged, on the contrary then qualified.
Referring to Fig. 2, Fig. 3, the utility model embodiment provides a kind of air tightness test device 1 according to above-mentioned design, comprise a fortune water lines 11, it is provided with an air intake opening 111 and a gas outlet 112, described proving installation 1 also comprises: a source of the gas 12, connect described air intake opening 111, be connected with a by-pass cock by an air pressure display instrument between described source of the gas 12 and the described air intake opening 111, described air pressure display instrument is alternate with described by-pass cock to be connected setting; One first joint 13 connects described gas outlet 112.Like this, a kind of air tightness test device 1 of the utility model, utilize pressurized air that the fortune water lines 11 in the mould 2 is carried out airtight test, the characteristics stronger than water according to gas fluidity, can in 2-5 minute, detect one group of fortune water lines 11 whether seepage is arranged, saved detection time thereby this proving installation is simple to operate, improved economic benefit, and test process is compared with prior art safer, reliable; In addition,, therefore can change at short notice, change convenient and can adapt to gas outlet 112 on the mould fortune water lines 11 of various criterion because described first joint 13 has the strong characteristics of interchangeability.
Further, in the utility model specific embodiment structure, what need any be described is that described air pressure display instrument is a rain glass 14; Described by-pass cock is a high-pressure ball valve 15; Described proving installation 1 comprises that also one second joint 16 is installed and connected in described air intake opening 111, on described second joint 16, be provided with second anti-tripping, described second anti-tripping be one second groove 161, described air intake opening 111 inwalls are provided with most steel balls, described second groove 161 cooperates described steel ball to rotate 90 degree with urgent cooperation, so that described second joint 16 is securely fixed on the described air intake opening 111, guaranteed described proving installation 1 good air-tightness, described rain glass 14 is installed and connected in the other end 162 of described second joint 16, described high-pressure ball valve one end 151 is installed and connected in described rain glass 14, and the other end 152 is installed by one the 3rd joint 17 and connected described source of the gas 12 joints.Wherein, described second joint 16, the 3rd joint 17 also have the strong characteristics of interchangeability, also can change at short notice, change convenient and can adapt to air intake opening 111 and described source of the gas 12 interfaces on the mould fortune water lines 11 of various criterion respectively.
Further, the described rain glass 14 of the utility model embodiment is connected between described second joint 16 and the described high-pressure ball valve 15 by a three-way connector 18, three-way connector 18 is hollow structure, be convenient to the installation and removal of described rain glass 14, it has first end 181, second end 182, the 3rd end 183, wherein first end 181 connects the other end 162 of described second joint 16, and described second end 182 connects described high-pressure ball valve 15, and described the 3rd end 183 is connecting described rain glass 14.
Referring to Fig. 2 and Fig. 3, between described high-pressure ball valve 15 and described the 3rd joint 17, connect by a hollow connecting link 19.Described hollow connecting link one end connects described high-pressure ball valve 15, the other end connects described the 3rd joint 17, described the 3rd joint 17 is connecting described source of the gas 12, the gas stream of described source of the gas 12 outputs is in succession by described the 3rd joint 17, hollow connecting link 19, high-pressure ball valve 15, the three-way connector 18 and second joint 16, described first joint 13 connects described gas outlet 112, on described first joint 13, be provided with first anti-tripping, described first anti-tripping be one first groove 131, described gas outlet 112 inwalls are provided with most steel balls, described first groove 131 cooperates described steel ball to rotate 90 degree with urgent cooperation, described first joint 13 can be securely fixed on the described gas outlet 112, guaranteed described proving installation 1 good air-tightness, simultaneously the above-mentioned loop that forms a sealing together.
See also Fig. 2, Fig. 3, need to prove that in the utility model specific embodiment structure, described fortune water lines 11 is located in the mould 2 and is to be tested by described proving installation 1 under 0-3 the atmospheric pressure in pressure range, in test process particularly, operation steps is as follows:
1, at first high-pressure ball valve 15 is opened, blocked with gas outlet 112 1 ends that first joint 13 is transported water lines 11 with mould;
2, then second joint 16 is installed the water inlet 111 that inserts progressive die tool fortune water lines 11, with anti-tripping rotation 90 degree;
3, source of the gas 12 is connected to the 3rd joint 17, after rain glass 14 pointers stop operating, promptly closes high-pressure ball valve 15, pressurized air is enclosed in the fortune water lines 11, then source of the gas 12 joints are pulled down;
4, observe rain glass 14, wait for about 2～5 minutes, show that as rain glass 14 pointers pressure does not reduce, this fortune water lines 11 ne-leakages just are described, impermeability is good, otherwise then explanation has seepage, and impermeability is bad;
5, check that opening high-pressure ball valve 15 after finishing earlier will transport in the water lines 11 gases and emit, again each second joint 16 is unclamped, can continue to check that by above-mentioned steps next group transports water.
The above only is the utility model preferred embodiment; its structure is not limited to the above-mentioned shape of enumerating; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. an air tightness test device comprises a fortune water lines, and it is provided with an air intake opening and a gas outlet, it is characterized in that, described proving installation also comprises:
One source of the gas connects described air intake opening, is connected with a by-pass cock by an air pressure display instrument between described source of the gas and the described air intake opening, and described air pressure display instrument is alternate with described by-pass cock to be connected setting;
One first joint connects described gas outlet.
2. a kind of air tightness test device as claimed in claim 1, it is characterized in that: also comprise one second joint, be installed and connected in described air intake opening, described air pressure display instrument is installed and connected in the other end of described second joint, described by-pass cock one end is installed and connected in described air pressure display instrument, and the other end is installed by one the 3rd joint and connected described source of the gas.
3. a kind of air tightness test device as claimed in claim 2 is characterized in that: described air pressure display instrument is connected between described second joint and the described by-pass cock by a three-way connector.
4. as each described a kind of air tightness test device of claim 1-3, it is characterized in that: be provided with first anti-trippingly on described first joint, 90 degree are rotated with urgent cooperation in the described gas outlet of the described first anti-tripping cooperation; Be provided with second anti-trippingly on described second joint, the described air intake opening of the described second anti-tripping cooperation rotates 90 degree with urgent cooperation.
5. a kind of air tightness test device as claimed in claim 4 is characterized in that: described first anti-trippingly has one first groove; Described second anti-trippingly has one second groove.
6. as each described a kind of air tightness test device of claim 1-3, it is characterized in that: described air pressure display instrument is a rain glass.
7. as each described a kind of air tightness test device of claim 1-3, it is characterized in that: described by-pass cock is a high-pressure ball valve.
8. a kind of air tightness test device as claimed in claim 1 is characterized in that: described fortune water lines is located in the mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200399244U CN201974277U (en) | 2011-02-16 | 2011-02-16 | Air-tight testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200399244U CN201974277U (en) | 2011-02-16 | 2011-02-16 | Air-tight testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974277U true CN201974277U (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200399244U Expired - Fee Related CN201974277U (en) | 2011-02-16 | 2011-02-16 | Air-tight testing device |
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| CN (1) | CN201974277U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278296A (en) * | 2013-05-31 | 2013-09-04 | 上海嘉倍德塑胶机械有限公司 | Device and method for detecting roller leakage |
| CN103868665A (en) * | 2014-04-03 | 2014-06-18 | 北京星航机电装备有限公司 | Airtight detection method of high-pressure gas circuit in fuel system |
| CN103900772A (en) * | 2012-12-27 | 2014-07-02 | 北京谊安医疗系统股份有限公司 | Air-tightness detection method and detection device for gas supplying system of medical tower crane and suspension bridge |
| CN106197895A (en) * | 2016-07-22 | 2016-12-07 | 三门县职业中等专业学校 | A kind of siphon pressure test machine |
-
2011
- 2011-02-16 CN CN2011200399244U patent/CN201974277U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900772A (en) * | 2012-12-27 | 2014-07-02 | 北京谊安医疗系统股份有限公司 | Air-tightness detection method and detection device for gas supplying system of medical tower crane and suspension bridge |
| CN103278296A (en) * | 2013-05-31 | 2013-09-04 | 上海嘉倍德塑胶机械有限公司 | Device and method for detecting roller leakage |
| CN103868665A (en) * | 2014-04-03 | 2014-06-18 | 北京星航机电装备有限公司 | Airtight detection method of high-pressure gas circuit in fuel system |
| CN103868665B (en) * | 2014-04-03 | 2017-04-05 | 北京星航机电装备有限公司 | A kind of airtight inspection method of fuel system mesohigh gas circuit |
| CN106197895A (en) * | 2016-07-22 | 2016-12-07 | 三门县职业中等专业学校 | A kind of siphon pressure test machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20150216 |
|
| EXPY | Termination of patent right or utility model |