CN204647716U - Detect plugging mechanism - Google Patents

Detect plugging mechanism Download PDF

Info

Publication number
CN204647716U
CN204647716U CN201520374722.3U CN201520374722U CN204647716U CN 204647716 U CN204647716 U CN 204647716U CN 201520374722 U CN201520374722 U CN 201520374722U CN 204647716 U CN204647716 U CN 204647716U
Authority
CN
China
Prior art keywords
front cover
slide
center pillar
elastic seal
ring
Prior art date
Application number
CN201520374722.3U
Other languages
Chinese (zh)
Inventor
孙兆儿
Original Assignee
宁波市宇华电器有限公司
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 宁波市宇华电器有限公司 filed Critical 宁波市宇华电器有限公司
Priority to CN201520374722.3U priority Critical patent/CN204647716U/en
Application granted granted Critical
Publication of CN204647716U publication Critical patent/CN204647716U/en

Links

Abstract

The utility model discloses a kind of detection plugging mechanism, when being intended to overcome ball valve air tightness test of the prior art, the deficiency of plugging structure installing/dismounting inconvenience.It comprises columniform front cover, center pillar, limiting board, columniform slide, elastic seal ring, snap ring, positioning plate propulsion cylinder, center pillar one end vertically connects the center of circle of front cover, the other end vertically connects limiting board, be provided with the air filling and exhausting hole running through center pillar and front cover in center pillar, limiting board is by some connecting rod connected positioning plates; Slide to be coaxially slidably located on center pillar and between front cover and limiting board.The beneficial effects of the utility model are: (1) stretches formula end cover designs in adopting improves shutoff sealing effect, ensures testing precision; (2) easy installation and removal between plugging mechanism and ball valve, carries and does air-leakage test efficiency; (3) temperature transducer is provided with, when facilitating control and measuring, the temperature variation in ball valve.

Description

Detect plugging mechanism

Technical field

The utility model relates to ball valve air tightness test field, particularly relates to a kind of plugging mechanism for ball valve air tightness test machine.

Background technique

Ball valve makes open-shut device with the spheroid of band manhole, and spheroid rotates with valve rod, to realize the valve of switching motion.Ball valve is mainly used as cut-out, distributes and change the flow direction of medium.Before ball valve uses, require with pressurized gas to be that medium carries out experiments of sealing performance.

When prior art is tested ball valve, usual employing sealing gasket or seal ring are placed in the outside of ball valve two ends fitting structure, join with work feeders such as the cylinders of air tightness test machine simultaneously and be clamped in ball valve two ends with structures such as clamping plate, thus sealing gasket or seal ring and ball valve two ends are formed seal, then pass into pressurized gas toward ball valve inside and check its sealability.The program has the following disadvantages: lack special ball valve plugging mechanism, and ball valve plugging operations process is complicated, and the sealing contact surface of plugging structure is end face or the outer surface of fitting structure, and structure precision is not high, causes sealing effect poor; And sealing configuration dismounting also comparatively inconvenience after a test article has detected, again need to reinstall sealing gasket or seals and other component during test, be difficult to carry out high-efficiency and continuous test, and have impact on test efficiency.

Model utility content

When the utility model is to overcome ball valve air tightness test of the prior art, plugging mechanism sealing effect is poor, and the deficiency of installing/dismounting inconvenience, provide and can realize quick blocking and dismounting, the one effectively improving ball valve air-leakage test efficiency detects plugging mechanism.

To achieve these goals, the utility model is by the following technical solutions:

One of the present utility model detects plugging mechanism, comprise columniform front cover, center pillar, limiting board, columniform slide, elastic seal ring, snap ring, positioning plate and propulsion cylinder, center pillar one end vertically connects the center of circle of front cover, the other end vertically connects limiting board, the air filling and exhausting hole running through limiting board, center pillar and front cover is provided with in center pillar, limiting board is by some connecting rod connected positioning plates, and propulsion cylinder is arranged on positioning plate; Slide is coaxially slidably located on center pillar and between front cover and limiting board, slide connects propulsion cylinder by some push rods through limiting board; Slide is coaxially arranged with round platform seat towards one end of front cover, front cover is provided with the cavity holding described round platform seat near a side end face of slide, snap ring is slidably located in slide side, elastic seal ring is set in round platform seat side, snap ring and front cover clamping elastic seal ring, be provided with the top laminated structure to top, elastic seal ring direction pressure snap ring between snap ring and slide.

The utility model is arranged on the work feeders such as the cylinder of air tightness test machine by positioning plate.When detecting, the work feeder of air tightness test machine advances limiting board, makes the structure such as center pillar and front cover stretch into the fitting structure at ball valve two ends, and the cylinder bar of propulsion cylinder keeps recovery state that slide and center pillar are synchronized with the movement.After feeding puts in place, propulsion cylinder is released and is made slide continue to advance by push rod, and round platform seat struts elastic seal ring from inside, makes elastic seal ring outer rim near the inwall of ball valve two ends fitting structure and front cover, realizes the shutoff to ball valve.Then by air filling and exhausting hole, air-leakage test test is started to inflation in ball valve.After having tested, propulsion cylinder oppositely regains slide, and elastic packing loop-shaped is recovered and depressurization effect, and now between plugging mechanism and ball valve, frictional force weakens and just can be regained by plugging mechanism easily.Thus realize quick mounting and the dismounting of tightness plugging structure, greatly improve the efficiency of air tightness test.And sealing station is positioned at the inwall of fitting structure, general machining accuracy is higher herein, ensures better sealing effect.

As preferably, top laminated structure comprises the limited ring, slide bar and the spring that arrange and arrange along slide side ring week, the parallel center pillar of described slide bar is arranged, its one end is passed limited ring and is provided with limiting stopper, the slide bar the other end is fixedly connected with snap ring, described spring housing is located on described slide bar, and spring one end connects limited ring the other end Joining clasp.Elastic seal ring is subject to the clamping action of snap ring and front cover and holding position opposed front end lid is fixed, and both ensure that the sealing effect between elastic seal ring and front cover, ejects simultaneously and come off and affect sealability when also preventing elastic seal ring from strutting.

As preferably, elastic seal ring is set to part pyramid like configuration near a side end face of front cover, makes elastic seal ring inner thickness be greater than outside thickness; Along front cover towards the edge ring of slide one side end face week being provided with the inclined-plane coordinating elastic seal ring part pyramid like configuration.The part pyramid like configuration of elastic seal ring and the ramp structure of front cover, both ensure that the sealing effect between elastic seal ring and front cover, ejects simultaneously and come off and affect sealability when also preventing elastic seal ring from strutting.

As preferably, the diameter on round platform seat top is less than the diameter connecting slide one end, and the described apical margin along round platform seat side and root edge are provided with limited step.Limited step can prevent elastic seal ring from coming off from round platform seat.

As preferably, front cover is provided with away from center pillar one side end face the temperature transducer that is measured cavity temperature in ball valve.When facilitating control and measuring, the temperature variation in ball valve.

As preferably, the cylinder bar end of propulsion cylinder is provided with pushing plate, and described pushing plate connects each push rod.

The beneficial effects of the utility model are: (1) stretches formula end cover designs in adopting improves shutoff sealing effect, ensures testing precision; (2) easy installation and removal between plugging mechanism and ball valve, carries and does air-leakage test efficiency; (3) temperature transducer is provided with, when facilitating control and measuring, the temperature variation in ball valve.

Accompanying drawing explanation

Fig. 1 is cross-sectional schematic of the present utility model.

Fig. 2 is the cross-sectional schematic of the utility model sealed condition.

In figure: 1 front cover; 11 center pillars; 12 air filling and exhausting holes; 13 cavitys; 14 temperature transducers; 15 limiting boards; 16 connecting rods; 17 positioning plates; 2 slides; 21 round platform seats; 22 limited steps; 23 propulsion cylinders; 24 push rods; 25 pushing plates; 26 limited rings; 3 elastic seal rings; 4 snap rings; 41 slide bars; 42 springs; 43 limiting stoppers; 5 fitting structures; 6 work feeders.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is further described.

As shown in Figure 1, one of the present utility model detects plugging mechanism, comprise columniform front cover 1, center pillar 11, limiting board 15, columniform slide 2, elastic seal ring 3, snap ring 4, positioning plate 17 and propulsion cylinder 23, center pillar 11 one end vertically connects the center of circle of front cover 1, the other end vertically connects limiting board 15, be provided with the air filling and exhausting hole 12 running through limiting board 15, center pillar 11 and front cover 1 in center pillar 11, limiting board 15 is by some connecting rod 16 connected positioning plates 17; Slide 2 to be coaxially slidably located on center pillar 11 and between front cover 1 and limiting board 15, propulsion cylinder 23 is arranged on positioning plate 14, slide 2 arranges some push rods 24 through limiting board 15, the cylinder bar end of propulsion cylinder 23 is provided with pushing plate 25, and described pushing plate 25 connects each push rod 24.

Slide 2 is coaxially arranged with round platform seat 21 towards one end of front cover 1, front cover 1 is provided with the cavity 13 holding described round platform seat 21 near a side end face of slide 2, snap ring 4 is slidably located in slide 2 side, elastic seal ring 3 is set in round platform seat 21 side, snap ring 4 and front cover 1 clamp elastic seal ring 3, are provided with the top laminated structure to top, elastic seal ring 3 direction pressure snap ring 4 between snap ring 4 and slide 2.

Top laminated structure comprises the limited ring 26, slide bar 41 and the spring 42 that arrange and arrange along slide 2 side ring week, the parallel center pillar 11 of described slide bar 41 is arranged, its one end is passed limited ring 26 and is provided with limiting stopper 43, slide bar 41 the other end is fixedly connected with snap ring 4, described spring 42 is set on described slide bar 41, and spring 42 one end connects limited ring 26 the other end Joining clasp 4.Elastic seal ring 3 is subject to the clamping action of snap ring 4 and front cover 1 and holding position opposed front end lid 1 is fixed, and both ensure that the sealing effect between elastic seal ring 3 and front cover 1, ejects simultaneously and come off and affect sealability when also preventing elastic seal ring 3 from strutting.

Elastic seal ring 3 is set to part pyramid like configuration near a side end face of front cover 1, makes elastic seal ring 3 inner thickness be greater than outside thickness; Along front cover 1 towards the edge ring of slide 2 one side end face week being provided with the inclined-plane coordinating elastic seal ring 3 part pyramid like configuration.The part pyramid like configuration of elastic seal ring 3 and the ramp structure of front cover 1, both ensure that the sealing effect between elastic seal ring 3 and front cover 1, ejects simultaneously and come off and affect sealability when also preventing elastic seal ring 3 from strutting.

The diameter on round platform seat 21 top is less than the diameter connecting slide 2 one end, and the described apical margin along round platform seat 21 side and root edge are provided with limited step 22.Limited step 22 can prevent elastic seal ring 3 from coming off from round platform seat 21.

Front cover 1 is provided with away from center pillar 11 1 side end face the temperature transducer 14 that is measured cavity temperature in ball valve.When facilitating control and measuring, the temperature variation in ball valve.

As shown in Figure 2, the utility model is arranged on by positioning plate 17 on the work feeders 6 such as the cylinder of air tightness test machine.Work feeder 6 is herein related domain common technology, does not repeat them here.When detecting, the work feeder 6 of air tightness test machine advances limiting board 15, makes the structure such as center pillar 11 and front cover 1 push the fitting structure 5 at ball valve two ends, and the cylinder bar of propulsion cylinder 23 keeps recovery state that slide 2 and center pillar 11 are synchronized with the movement.After feeding puts in place, propulsion cylinder 23 is released and is made slide 2 continue to advance by push rod 24, and round platform seat 21 struts elastic seal ring 3 from inside, makes elastic seal ring 3 outer rim near the inwall of ball valve two ends fitting structure 5 and front cover 1, realizes the shutoff to ball valve.Then air-leakage test test is started by inflation in air filling and exhausting hole 12 pairs of ball valves.After having tested, oppositely regain slide 2, elastic seal ring 3 shape is recovered and depressurization effect, and now between plugging mechanism and ball valve, frictional force weakens and just can be regained by plugging mechanism easily.Thus realize quick mounting and the dismounting of tightness plugging structure, greatly improve the efficiency of air tightness test.

Claims (6)

1. one kind is detected plugging mechanism, it is characterized in that, comprise columniform front cover, center pillar, limiting board, columniform slide, elastic seal ring, snap ring, positioning plate and propulsion cylinder, center pillar one end vertically connects the center of circle of front cover, the other end vertically connects limiting board, be provided with the air filling and exhausting hole running through limiting board, center pillar and front cover in center pillar, limiting board is by some connecting rod connected positioning plates, and propulsion cylinder is arranged on positioning plate; Slide is coaxially slidably located on center pillar and between front cover and limiting board, slide connects propulsion cylinder by some push rods through limiting board; Slide is coaxially arranged with round platform seat towards one end of front cover, front cover is provided with the cavity holding described round platform seat near a side end face of slide, snap ring is slidably located in slide side, elastic seal ring is set in round platform seat side, snap ring and front cover clamping elastic seal ring, be provided with the top laminated structure to top, elastic seal ring direction pressure snap ring between snap ring and slide.
2. detection plugging mechanism according to claim 1, it is characterized in that, top laminated structure comprises the limited ring, slide bar and the spring that arrange and arrange along slide side ring week, the parallel center pillar of described slide bar is arranged, its one end is passed limited ring and is provided with limiting stopper, the slide bar the other end is fixedly connected with snap ring, and described spring housing is located on described slide bar, and spring one end connects limited ring the other end Joining clasp.
3. detection plugging mechanism according to claim 1, is characterized in that, elastic seal ring is set to part pyramid like configuration near a side end face of front cover, makes elastic seal ring inner thickness be greater than outside thickness; Along front cover towards the edge ring of slide one side end face week being provided with the inclined-plane coordinating elastic seal ring part pyramid like configuration.
4. the detection plugging mechanism according to claim 1 or 3, is characterized in that, the diameter on round platform seat top is less than the diameter connecting slide one end, and the described apical margin along round platform seat side and root edge are provided with limited step.
5. the detection plugging mechanism according to claim 1 or 2 or 3, is characterized in that, front cover is provided with away from center pillar one side end face the temperature transducer that is measured cavity temperature in ball valve.
6. the detection plugging mechanism according to claim 1 or 2 or 3, is characterized in that, the cylinder bar end of propulsion cylinder is provided with pushing plate, and described pushing plate connects each push rod.
CN201520374722.3U 2015-06-02 2015-06-02 Detect plugging mechanism CN204647716U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520374722.3U CN204647716U (en) 2015-06-02 2015-06-02 Detect plugging mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520374722.3U CN204647716U (en) 2015-06-02 2015-06-02 Detect plugging mechanism

Publications (1)

Publication Number Publication Date
CN204647716U true CN204647716U (en) 2015-09-16

Family

ID=54100467

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520374722.3U CN204647716U (en) 2015-06-02 2015-06-02 Detect plugging mechanism

Country Status (1)

Country Link
CN (1) CN204647716U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864558A (en) * 2016-06-23 2016-08-17 西南石油大学 Leather cup type pipeline plugging device
CN105864560A (en) * 2016-06-23 2016-08-17 西南石油大学 Pipeline plugging device with resonance switch
CN106065980A (en) * 2016-06-23 2016-11-02 西南石油大学 A kind of reducing type leather cup type wiper
CN106122671A (en) * 2016-06-23 2016-11-16 西南石油大学 A kind of wiper for pipe plugging
CN107775949A (en) * 2016-08-31 2018-03-09 沈阳新松机器人自动化股份有限公司 A kind of trickle tubing ventilation clamping sealing device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864558A (en) * 2016-06-23 2016-08-17 西南石油大学 Leather cup type pipeline plugging device
CN105864560A (en) * 2016-06-23 2016-08-17 西南石油大学 Pipeline plugging device with resonance switch
CN106065980A (en) * 2016-06-23 2016-11-02 西南石油大学 A kind of reducing type leather cup type wiper
CN106122671A (en) * 2016-06-23 2016-11-16 西南石油大学 A kind of wiper for pipe plugging
CN105864558B (en) * 2016-06-23 2017-09-22 西南石油大学 A kind of rubber cup pipe blocking device
CN105864560B (en) * 2016-06-23 2017-09-22 西南石油大学 A kind of pipeline plug of band resonance switch
CN107775949A (en) * 2016-08-31 2018-03-09 沈阳新松机器人自动化股份有限公司 A kind of trickle tubing ventilation clamping sealing device
CN107775949B (en) * 2016-08-31 2019-07-16 沈阳新松机器人自动化股份有限公司 A kind of subtle tubing ventilation clamping sealing device

Similar Documents

Publication Publication Date Title
CN202447350U (en) Cleaning fixture
CN204556179U (en) Ball valve air tightness test machine
CN202793702U (en) Evacuating and pressurizing device for helium mass spectrometer leak detection
CN203665545U (en) Self-adaptation and self-balancing manipulator finger
CN203390791U (en) Clamping device with air bags
CN104444484A (en) Plate carrying device
CN204964123U (en) PE tee bend test machine
CN201034070Y (en) Inflator air cock
CN202974593U (en) Novel detection device for detecting helium leakage of weld joint between pipe and pipe sheet of heat exchange container with open structure
CN105058126B (en) The adaptive vice of hydraulic type multiple support bar interchangeable chuck
CN204666323U (en) Simple and easy ball valve test device for air tightness
CN203476280U (en) Improved oil sleeve gas tightness detection packer
CN203092258U (en) Fast detecting device of evenness of workpiece placed on lathe
CN204330227U (en) Anti-detachment performing leak test plug
CN203349988U (en) Gas test sealing clamp device
CN104165734B (en) End cap for testing ball valve sealing
CN104148563A (en) Novel air hammer
CN203098851U (en) Blind plate
CN202372338U (en) Breathing valve calibrating table
CN204314020U (en) A kind of high efficiency electric motor end cap air-tightness detection device
CN203628141U (en) Drainage-type magnetic leakage-stopping fixture
CN203606087U (en) Plastic bottle negative pressure detection device
CN202974581U (en) Airtightness rapid detection device for welded junction of stainless steel pipe
CN203595591U (en) Leakage detection device
CN204043867U (en) The end cap of sealing property of ball valves test

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model