CN202305141U - Air-tightness detecting device of gate valve - Google Patents

Air-tightness detecting device of gate valve Download PDF

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Publication number
CN202305141U
CN202305141U CN2011204421162U CN201120442116U CN202305141U CN 202305141 U CN202305141 U CN 202305141U CN 2011204421162 U CN2011204421162 U CN 2011204421162U CN 201120442116 U CN201120442116 U CN 201120442116U CN 202305141 U CN202305141 U CN 202305141U
Authority
CN
China
Prior art keywords
gate valve
testing agency
air
housing
chuck
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.)
Withdrawn - After Issue
Application number
CN2011204421162U
Other languages
Chinese (zh)
Inventor
陈建华
郑开省
陈世伟
郑盛丰
陈文恭
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.)
FUJIAN OCEAN COPPER Co Ltd
Original Assignee
FUJIAN OCEAN COPPER Co Ltd
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 FUJIAN OCEAN COPPER Co Ltd filed Critical FUJIAN OCEAN COPPER Co Ltd
Priority to CN2011204421162U priority Critical patent/CN202305141U/en
Application granted granted Critical
Publication of CN202305141U publication Critical patent/CN202305141U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses an air-tightness detecting device of a gate valve, which comprises a shell and at least one detecting mechanism, wherein the detecting mechanism comprises a static collet and a movable collet, the static collet and the movable collet are oppositely arranged, rubber sealing pads are arranged on the end faces of the static collet and the movable collet, the static collet is fixed on the shell, the movable collet is fixed on the piston rod of a cylinder, the cylinder is fixed on the shell and is connected with an air source via an electromagnetic reversing valve; an air outlet pipe is arranged at the middle part of the static collet, one end of the air outlet pipe is located at the middle part of the end face of the static collet and the other end thereof is stretched into a water tank arranged on the shell, and a gate valve is arranged at the middle part of the air outlet pipe; an air inlet pipe is arranged at the middle part of the movable collet, one end of the air inlet pipe is located at the middle part of the end face of the movable collet and the other end thereof is connected with the air source via another electromagnetic reversing valve, and an air pressure gauge is communicated on the air inlet pipe. The air-tightness detecting device of gate valve disclosed by the utility model has the advantages of detecting the disconnecting performance of the gate valve and the air-tightness of a die cavity on a condition that the gate valve to be detected is not submerged in water so as to effectively protect the outline of the gate valve.

Description

A kind of air-tightness detection device of gate valve
Technical field
The utility model relates to gate valve detection technique field, the bubble-tight device of especially a kind of detection gate valve.
Background technology
When tradition is tested to the gate valve impermeability; It generally is the way that adopts the water inspection; Feed pressure gas promptly for the die cavity of gate valve and immerse then and observe the bubble that produces in the water in the water and judge whether the impermeability of gate valve is qualified, this way one is the outward appearance that can influence gate valve; The 2nd, detection efficiency is low, and testing staff's labour intensity is big; The 3rd, that detects is subjective, occurs erroneous judgement easily.
Disclosing a patent No. on June 4th, 2008 is that ZL200610149800.5, name are called the patent of invention of " a kind of checkout equipment and detection method that is used for the testing product sealing "; This checkout equipment comprises seal; Have path, the sealing part to be measured that is used to seal the opening of product to be measured and make product to be measured is communicated with path; Solenoid valve, the one of which end is communicated with path, is used to be communicated with or turn-off the fluid supply to path; Pick-up unit links to each other with path, is used for the circulating pressure of detection path, and the pressure detection result is sent to control device; Control device is electrically connected with pick-up unit and solenoid valve, is used for the switching of control electromagnetic valve, receives the pressure detection result who is sent by pick-up unit, confirms the result of determination that the variation of the pressure sealing state under in the predetermined amount of time inner gateway is whether qualified.
Above-mentioned checkout equipment can only detect the impermeability of Related product die cavity, but can not detect the cutoff performance of gate valve series products, and can not form flowing water detection operation.
Summary of the invention
The technical matters that the utility model will solve provides a kind of air-tightness detection device of gate valve, can under the situation that gate valve to be measured does not soak, detect the cutoff performance of gate valve and the impermeability of die cavity, effectively protects the outward appearance of gate valve.
For achieving the above object; The technical scheme of the utility model is: a kind of air-tightness detection device of gate valve, comprise housing and at least one testing agency, and this testing agency comprises quiet chuck, moving chuck; Moving chuck and quiet chuck are provided with in opposite directions; The end face of moving chuck and quiet chuck is provided with rubber gasket, and quiet chuck is fixed on the housing, and moving chuck is fixed on the piston rod of a cylinder; Said cylinder is fixed on the housing and is connected with source of the gas through a solenoid directional control valve; The centre of quiet chuck is provided with escape pipe, and centre, the other end that an end of said escape pipe is in quiet chuck end face feed and be arranged in the tank on the housing, and the centre of described escape pipe is provided with a gate valve; The centre of moving chuck is provided with draft tube, and centre, the other end that an end of said draft tube is in moving chuck end face communicate with source of the gas through another solenoid directional control valve, is communicated with a rain glass on the described draft tube; The coil of the said solenoid directional control valve that is connected with draft tube is connected with external power through first switch, and the coil of the said solenoid directional control valve that is connected with cylinder is connected with external power through second switch.
Further improve, be parallel with timing display on the coil inlet wire two ends of the solenoid directional control valve that in said each testing agency, is connected with draft tube, convenient observation to the product dwell time, timing display can be arranged on barometric next door.
Being arranged on the middle gate valve of escape pipe in preferred said each testing agency is ball valve, and detecting operation is more convenient like this.
First switch in preferred said each testing agency is a button band self-lock switch, can prevent misoperation.
Second switch in preferred said each testing agency is for stirring the type switch, and is more convenient to operate.
Further improve, when described testing agency when being a plurality of, each testing agency is transversely arranged; The quiet chuck of each testing agency is fixed on the middle part of housing, and the cylinder of each testing agency is fixed on the rear portion of housing, and the rain glass of each testing agency is installed in the top of housing; Tank is arranged on the front portion of housing; The front portion that first switch of each testing agency and second switch are arranged on housing so just can make the detection of gate valve realize that the flowing water of multistation detects operation, and detection efficiency is high.
The utility model is because the centre of moving chuck is provided with draft tube, and centre, the other end that an end of said draft tube is in moving chuck end face communicate with source of the gas through another solenoid directional control valve; Centre at quiet chuck is provided with escape pipe, and centre, the other end that an end of escape pipe is in quiet chuck end face feed and be arranged in the tank on the housing, and the centre of escape pipe is provided with a gate valve; When gate valve to be measured is clipped between quiet chuck and the moving chuck; Make gate valve to be measured be in cut-off state; Give in the draft tube and import pressure gas, open the gate valve on the escape pipe then, observe in the tank cutoff performance that whether bubbling or bubble quantity and bubble just can be judged gate valve to be measured; When closing the gate valve on the escape pipe, make gate valve to be measured be in conducting state, let pressure gas pressurize on the draft tube observe the force value that shows on the rain glass whether change then or variable quantity just can detect the impermeability of gate valve die cavity to be measured; Therefore the utility model can detect the cutoff performance of gate valve and the impermeability of die cavity under the situation that gate valve to be measured does not soak, and effectively protects the outward appearance of gate valve.
Description of drawings
Fig. 1 is the utility model stereographic map;
Fig. 2 is the utility model detected state side-looking enlarged drawing;
Fig. 3 is the utility model control principle figure.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment the utility model is done further explain.
Fig. 1, shown in Figure 2; A kind of air-tightness detection device of gate valve comprises housing 10 and at least one testing agency 20, and this testing agency 20 comprises quiet chuck 1, moving chuck 2; Moving chuck 2 is provided with quiet chuck 1 in opposite directions; Moving chuck 2 is provided with rubber gasket 21,11 with the end face of quiet chuck 1, and quiet chuck 1 is fixed on the housing 10, and moving chuck 2 is fixed on the piston rod of a cylinder 3; Said cylinder 3 is fixed on the housing 10 and is connected with source of the gas through a solenoid directional control valve 4; The centre of quiet chuck 1 is provided with escape pipe 12, and centre, the other end that an end of said escape pipe 12 is in quiet chuck 1 end face feed and be arranged in the tank 5 on the housing 10, and the centre of described escape pipe 12 is provided with a gate valve 6; The centre of moving chuck 2 is provided with draft tube 22; Centre, the other end that one end of said draft tube 22 is in moving chuck 2 end faces communicate with source of the gas through another solenoid directional control valve 7; Be communicated with a rain glass 221 on the described draft tube 22; The coil of the said solenoid directional control valve 7 that is connected with draft tube 22 is connected with external power through first switch 8, and the coil of the said solenoid directional control valve 4 that is connected with cylinder 3 is connected with external power through second switch 9.
Can be parallel with timing display 222 on the coil inlet wire two ends of the solenoid directional control valve 7 that is connected with draft tube 22 in said each testing agency 20, this timing display 222 can be arranged on the next door of rain glass 221.
Be arranged on escape pipe 12 middle gate valves 6 in said each testing agency 20 and can select ball valve for use.
First switch 8 in said each testing agency 20 can be selected button band self-lock switch for use.
Second switch 9 in said each testing agency 20 can be selected for use and stir the type switch.
When described pick-up unit is equipped with a plurality of testing agency 20; For example can adorn ten, each testing agency 20 is transversely arranged, and the quiet chuck 1 of each testing agency 20 is fixed on the middle part of housing 10; The cylinder 3 of each testing agency 20 is fixed on the rear portion of housing 10; The rain glass 221 of each testing agency 20 is installed in the top of housing 10, and tank 5 is arranged on the front portion of housing 10, and first switch 8 and the second switch 9 of each testing agency 20 is arranged on the front portion of housing 10.
Fig. 2 is the utility model detected state side-looking enlarged drawing, and Fig. 3 is the utility model control principle figure, combines Fig. 2, Fig. 3 that the detection step of the utility model is described as follows at present:
One, connects external power source and source of the gas;
Two, detect the cutoff performance of gate valve 30 to be measured: make gate valve 30 to be measured be in cut-off state earlier; Again gate valve 30 1 ends to be measured are leaned against on the rubber gasket 21 of moving chuck 2 end faces; Second switch 9 is connected; The coil of solenoid directional control valve 4 gets piston rod that electric switching-over makes cylinder 3 and stretches out the other end that drives moving chuck 2 and gate valve to be measured 30 and draw close the other end that clamps gate valve 30 to be measured until the rubber gasket 11 of quiet chuck 1 end face to quiet chuck 1; Draft tube 22 on the at this moment moving chuck 2 and the escape pipe 12 on the quiet chuck 1 extend into the die cavity of gate valve 30 to be measured from the two ends of gate valve 30 to be measured, open gate valve 6, and first switch 8 is connected; The coil of solenoid directional control valve 7 gets electric switching-over and injects pressure gas for draft tube 22; This moment, whether the water observed in the tank had bubble to emerge, as did not have or in the number of bubbles that allows, can explain that the cutoff performance of gate valve 30 to be measured is qualified, surpassed setting like number of bubbles and just judged that the cutoff performance of gate valve 30 to be measured is defective;
Three, detect the impermeability of the die cavity of gate valve 30 to be measured: on the basis of second step, closing gate valve 6 makes gate valve 30 to be measured be in on-state; First switch 8 is broken off; Make the die cavity of gate valve 30 to be measured be in packing state, show that through timing display 222 or other time set the dwell time arrives after, whether whether the pressure of observation rain glass 221 descend or descend above setting; Surpass setting as descending and explain that the impermeability of die cavity of gate valve 30 to be measured is qualified; Explaining that as descend surpassing setting the impermeability of die cavity of gate valve 30 to be measured is defective, making second switch 9 break off the piston rod of cylinder 3 at last;
Generally, second step judges that the cutoff performance of gate valve 30 to be measured is defective and just need not get into third step, can judge directly that gate valve to be measured 30 is defective.
Four, the die cavity at gate valve 30 to be measured is in the packing state process, can make other gate valve to be measured get into second station, the 3rd station ... Detect, form line production, improve detection efficiency.
The utility model also can be done different combinations according to different gate valve products and detect.
Below only be preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.

Claims (6)

1. the air-tightness detection device of a gate valve comprises housing and at least one testing agency, and this testing agency comprises quiet chuck, moving chuck; Moving chuck and quiet chuck are provided with in opposite directions; The end face of moving chuck and quiet chuck is provided with rubber gasket, and quiet chuck is fixed on the housing, and moving chuck is fixed on the piston rod of a cylinder; Said cylinder is fixed on the housing and is connected with source of the gas through a solenoid directional control valve; It is characterized in that: the centre of quiet chuck is provided with escape pipe, and centre, the other end that an end of said escape pipe is in quiet chuck end face feed and be arranged in the tank on the housing, and the centre of described escape pipe is provided with a gate valve; The centre of moving chuck is provided with draft tube, and centre, the other end that an end of said draft tube is in moving chuck end face communicate with source of the gas through another solenoid directional control valve, is communicated with a rain glass on the described draft tube; The coil of the said solenoid directional control valve that is connected with draft tube is connected with external power through first switch, and the coil of the said solenoid directional control valve that is connected with cylinder is connected with external power through second switch.
2. the air-tightness detection device of a kind of gate valve according to claim 1 is characterized in that: be parallel with timing display on the coil inlet wire two ends of the solenoid directional control valve that is connected with draft tube in said each testing agency.
3. the air-tightness detection device of a kind of gate valve according to claim 1 is characterized in that: the gate valve that is arranged in said each testing agency in the middle of the escape pipe is a ball valve.
4. the air-tightness detection device of a kind of gate valve according to claim 1, it is characterized in that: first switch in said each testing agency is a button band self-lock switch.
5. the air-tightness detection device of a kind of gate valve according to claim 1, it is characterized in that: the second switch in said each testing agency is for stirring the type switch.
6. according to the air-tightness detection device of each described a kind of gate valve of claim 1 to 5; It is characterized in that: when described testing agency was a plurality of, each testing agency was transversely arranged, and the quiet chuck of each testing agency is fixed on the middle part of housing; The cylinder of each testing agency is fixed on the rear portion of housing; The rain glass of each testing agency is installed in the top of housing, and tank is arranged on the front portion of housing, the front portion that first switch of each testing agency and second switch are arranged on housing.
CN2011204421162U 2011-11-09 2011-11-09 Air-tightness detecting device of gate valve Withdrawn - After Issue CN202305141U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204421162U CN202305141U (en) 2011-11-09 2011-11-09 Air-tightness detecting device of gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204421162U CN202305141U (en) 2011-11-09 2011-11-09 Air-tightness detecting device of gate valve

Publications (1)

Publication Number Publication Date
CN202305141U true CN202305141U (en) 2012-07-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204421162U Withdrawn - After Issue CN202305141U (en) 2011-11-09 2011-11-09 Air-tightness detecting device of gate valve

Country Status (1)

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CN (1) CN202305141U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384825A (en) * 2011-11-09 2012-03-21 福建海洋铜业有限公司 Air tightness detection device for gate valve
CN105699018A (en) * 2016-03-28 2016-06-22 福建上润精密仪器有限公司 Flange instrument valve sealing testing device
CN108064345A (en) * 2017-11-10 2018-05-22 苏州富强科技有限公司 For testing the test device of special-shaped component high pressure watertight sexual function
WO2021164419A1 (en) * 2020-02-21 2021-08-26 苏州纽威阀门股份有限公司 Gate valve inspection equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384825A (en) * 2011-11-09 2012-03-21 福建海洋铜业有限公司 Air tightness detection device for gate valve
CN102384825B (en) * 2011-11-09 2014-07-30 福建省海洋阀门科技有限公司 Air tightness detection device for gate valve
CN105699018A (en) * 2016-03-28 2016-06-22 福建上润精密仪器有限公司 Flange instrument valve sealing testing device
CN105699018B (en) * 2016-03-28 2019-03-26 福建上润精密仪器有限公司 A kind of flange instrument valve sealing test device
CN108064345A (en) * 2017-11-10 2018-05-22 苏州富强科技有限公司 For testing the test device of special-shaped component high pressure watertight sexual function
CN108064345B (en) * 2017-11-10 2020-12-25 苏州富强科技有限公司 Testing device for testing high-pressure water tightness function of special-shaped component
WO2021164419A1 (en) * 2020-02-21 2021-08-26 苏州纽威阀门股份有限公司 Gate valve inspection equipment

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C14 Grant of patent or utility model
GR01 Patent grant
RGAV Abandon patent right to avoid regrant
AV01 Patent right actively abandoned

Granted publication date: 20120704

Effective date of abandoning: 20140730