CN204647715U - Ball valve air tightness test block head - Google Patents
Ball valve air tightness test block head Download PDFInfo
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- CN204647715U CN204647715U CN201520374710.0U CN201520374710U CN204647715U CN 204647715 U CN204647715 U CN 204647715U CN 201520374710 U CN201520374710 U CN 201520374710U CN 204647715 U CN204647715 U CN 204647715U
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- ball valve
- center pillar
- elastic seal
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Abstract
The utility model discloses a kind of ball valve air tightness test block head, 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 and positioning plate, 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 center pillar and front cover is provided with in center pillar, slide is coaxially slidably located on center pillar and between front cover and limiting board, slide is by some connecting rod connected positioning plates through 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 block head 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
Technical field
The utility model relates to ball valve air tightness test field, particularly relates to a kind of block head 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, effectively improve a kind of ball valve air tightness test block head of ball valve air-leakage test efficiency.
To achieve these goals, the utility model is by the following technical solutions:
A kind of ball valve air tightness test block head of the present utility model, comprise columniform front cover, center pillar, limiting board, columniform slide, elastic seal ring, snap ring and positioning plate, center pillar one end vertically connects the center of circle of front cover, the other end vertically connects limiting board, be provided with in center pillar and run through limiting board, the air filling and exhausting hole of center pillar and front cover, slide to be coaxially slidably located on center pillar and between front cover and limiting board, slide is by some connecting rod connected positioning plates through limiting board, connecting rod is arranged with spring a, spring a two ends connect slide and limiting board respectively, 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.
Plugging head structure in this programme 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 slide, and spring a is set on connecting rod, and slide draws by spring a the fitting structure that the structure such as front cover, center pillar stretches into ball valve two ends.First limiting board contacts the end face of ball valve fitting structure, and be subject to position-limiting action make front cover and center pillar static.Elastic seal ring be subject to front cover position-limiting action also relatively slide axially forbid.Now slide continues to advance, 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, oppositely regain slide, elastic packing loop-shaped is recovered and depressurization effect, and now between block head and ball valve, frictional force weakens and just can be regained by block head 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 b 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 b is set on described slide bar, and spring b 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.
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 block head 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; 2 slides; 21 round platform seats; 22 limited steps; 23 connecting rods; 24 positioning plates; 25 spring a; 26 limited rings; 3 elastic seal rings; 4 snap rings; 41 slide bars; 42 spring b; 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, a kind of ball valve air tightness test block head of the present utility model, comprise columniform front cover 1, center pillar 11, limiting board 15, columniform slide 2, elastic seal ring 3, snap ring 4 and positioning plate 24, 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 in center pillar 11 and run through limiting board 15, the air filling and exhausting hole 12 of center pillar 11 and front cover 1, slide 2 to be coaxially slidably located on center pillar 11 and between front cover 1 and limiting board 15, slide 2 is by some connecting rod 23 connected positioning plates 24 through limiting board 15, connecting rod 23 is arranged with spring a25, spring a25 two ends connect slide 2 and limiting board 15 respectively, 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 b42 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 b42 is set on described slide bar 41, and spring b42 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 plugging head structure in this programme is arranged on the work feeders 6 such as the cylinder of air tightness test machine by positioning plate 24.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 slide 2, and spring a25 is set on connecting rod 23, and slide 2 draws by spring a25 the fitting structure 5 that the structure such as front cover 1, center pillar 11 pushes ball valve two ends.First limiting board 15 contacts the end face of ball valve fitting structure 5, and be subject to position-limiting action make front cover 1 and center pillar 11 static.Elastic seal ring 3 be subject to front cover 1 position-limiting action also relatively slide 2 axially forbid.Now slide 2 continues to advance, 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 block head and ball valve, frictional force weakens and just can be regained by block head easily.Thus realize quick mounting and the dismounting of tightness plugging structure, greatly improve the efficiency of air tightness test.
Claims (5)
1. a ball valve air tightness test block head, it is characterized in that, comprise columniform front cover, center pillar, limiting board, columniform slide, elastic seal ring, snap ring and positioning plate, center pillar one end vertically connects the center of circle of front cover, the other end vertically connects limiting board, be provided with in center pillar and run through limiting board, the air filling and exhausting hole of center pillar and front cover, slide to be coaxially slidably located on center pillar and between front cover and limiting board, slide is by some connecting rod connected positioning plates through limiting board, connecting rod is arranged with spring a, spring a two ends connect slide and limiting board respectively, 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. ball valve air tightness test block head according to claim 1, it is characterized in that, top laminated structure comprises the limited ring, slide bar and the spring b 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 b is set on described slide bar, and spring b one end connects limited ring the other end Joining clasp.
3. ball valve air tightness test block head 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 ball valve air tightness test block head 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 ball valve air tightness test block head 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520374710.0U CN204647715U (en) | 2015-06-02 | 2015-06-02 | Ball valve air tightness test block head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520374710.0U CN204647715U (en) | 2015-06-02 | 2015-06-02 | Ball valve air tightness test block head |
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| CN204647715U true CN204647715U (en) | 2015-09-16 |
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| CN201520374710.0U Active CN204647715U (en) | 2015-06-02 | 2015-06-02 | Ball valve air tightness test block head |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402404A (en) * | 2015-12-22 | 2016-03-16 | 中车戚墅堰机车车辆工艺研究所有限公司 | Tensioning-type inner hole sealing mechanism and application thereof |
| CN107727316A (en) * | 2017-10-26 | 2018-02-23 | 方正阀门集团有限公司 | Fixing ball valve sealing property detection device |
| CN107859680A (en) * | 2017-11-08 | 2018-03-30 | 成都市比优特塑料制品有限公司 | A kind of easy-to-dismount plastic buckle plug |
| CN108918030A (en) * | 2018-03-27 | 2018-11-30 | 杭州电子科技大学 | A kind of air tightness test plug |
| CN110454638A (en) * | 2019-09-05 | 2019-11-15 | 胡俊峰 | Unitary tubes liquid packing |
| CN110726029A (en) * | 2019-09-03 | 2020-01-24 | 海洋石油工程（青岛）有限公司 | Plastic pipe water purification pressure test plugging device |
| CN111503267A (en) * | 2020-06-16 | 2020-08-07 | 南京泰普森自动化设备有限公司 | Axial plugging device for sealing detection |
| CN113281033A (en) * | 2021-06-18 | 2021-08-20 | 安徽国钦智能科技有限公司 | Automatic detection device and detection method for ball valve |
| CN114593878A (en) * | 2022-03-10 | 2022-06-07 | 博众精工科技股份有限公司 | Air tightness testing device |
| CN115112307A (en) * | 2022-08-31 | 2022-09-27 | 山东鼎泰新能源有限公司 | New energy automobile battery package leakproofness test equipment |
-
2015
- 2015-06-02 CN CN201520374710.0U patent/CN204647715U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402404A (en) * | 2015-12-22 | 2016-03-16 | 中车戚墅堰机车车辆工艺研究所有限公司 | Tensioning-type inner hole sealing mechanism and application thereof |
| CN107727316B (en) * | 2017-10-26 | 2023-05-12 | 方正阀门集团股份有限公司 | Sealing performance detection device for fixed ball valve |
| CN107727316A (en) * | 2017-10-26 | 2018-02-23 | 方正阀门集团有限公司 | Fixing ball valve sealing property detection device |
| CN107859680A (en) * | 2017-11-08 | 2018-03-30 | 成都市比优特塑料制品有限公司 | A kind of easy-to-dismount plastic buckle plug |
| CN108918030A (en) * | 2018-03-27 | 2018-11-30 | 杭州电子科技大学 | A kind of air tightness test plug |
| CN110726029A (en) * | 2019-09-03 | 2020-01-24 | 海洋石油工程（青岛）有限公司 | Plastic pipe water purification pressure test plugging device |
| CN110454638A (en) * | 2019-09-05 | 2019-11-15 | 胡俊峰 | Unitary tubes liquid packing |
| CN111503267A (en) * | 2020-06-16 | 2020-08-07 | 南京泰普森自动化设备有限公司 | Axial plugging device for sealing detection |
| CN111503267B (en) * | 2020-06-16 | 2020-11-06 | 南京泰普森自动化设备有限公司 | Axial plugging device for sealing detection |
| CN113281033A (en) * | 2021-06-18 | 2021-08-20 | 安徽国钦智能科技有限公司 | Automatic detection device and detection method for ball valve |
| CN114593878A (en) * | 2022-03-10 | 2022-06-07 | 博众精工科技股份有限公司 | Air tightness testing device |
| CN115112307A (en) * | 2022-08-31 | 2022-09-27 | 山东鼎泰新能源有限公司 | New energy automobile battery package leakproofness test equipment |
| CN115112307B (en) * | 2022-08-31 | 2022-11-08 | 山东鼎泰新能源有限公司 | New energy automobile battery package leakproofness test equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Yuhua Industrial Co.,Ltd. Address before: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO YUHUA ELECTRIC APPLIANCE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |