CN204226947U - A kind of pipeline plugging head - Google Patents

A kind of pipeline plugging head Download PDF

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Publication number
CN204226947U
CN204226947U CN201420607025.3U CN201420607025U CN204226947U CN 204226947 U CN204226947 U CN 204226947U CN 201420607025 U CN201420607025 U CN 201420607025U CN 204226947 U CN204226947 U CN 204226947U
Authority
CN
China
Prior art keywords
supporting bar
screw body
rotating shaft
shutoff
groove
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
CN201420607025.3U
Other languages
Chinese (zh)
Inventor
张屹佑
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.)
NTU INDUSTRIAL GASES (TAICANG) Co Ltd
Original Assignee
NTU INDUSTRIAL GASES (TAICANG) 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 NTU INDUSTRIAL GASES (TAICANG) Co Ltd filed Critical NTU INDUSTRIAL GASES (TAICANG) Co Ltd
Priority to CN201420607025.3U priority Critical patent/CN204226947U/en
Application granted granted Critical
Publication of CN204226947U publication Critical patent/CN204226947U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of pipeline plugging head, comprise: screw body, be arranged at the blocking device of screw body one end, screw body is combined with tightening nut, blocking device comprises: fixed groove, diaphragm seal, rotating shaft plate, supporting bar, rotary axis groove, rotating shaft plate is provided with rotating shaft body, supporting bar one end coordinates with rotary axis groove, screw body cylndrical surface is provided with accommodating groove, shutoff front support bar embeds accommodating groove, the body transmission around the shaft of shutoff rear support bar, supporting bar is 4 and makes 360 ° of annular arrays along screw body to be uniformly distributed, after supporting bar launches, the end face laminating of relative two supporting bars.The utility model utilizes supporting bar and diaphragm seal carry out shutoff to pipeline and utilize tightening nut to be fixed, and it is to the no requirement (NR) of gas in pipelines residual quantity, and shutoff process is easy, and shutoff mouth is solid and reliable; Supporting bar end face is fitted, and when shutoff, supporting bar can bear larger clamping force, and accommodating groove reduces block head radial dimension, is convenient to the more small-bore hole of shutoff.

Description

A kind of pipeline plugging head
Technical field
The utility model relates to block head, particularly a kind of pipeline plugging head.
Background technique
Along with industrial gas use more and more extensive at industrial field, its relevant device is also in increase, and due to high pressure and the fluid characteristics of industrial gas, its means of conveyance usually adopt pipeline transport and fill, and it requires high to seal for pipe joints.In use there is breakage in described pipeline, existing plugging damaged mode adopts welding manner, and it is higher to the requirement of gas in pipelines residual volume unavoidably, and be not suitable for the interim piping failure occurred.
Model utility content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of pipeline plugging head.
The utility model solves the technological scheme that its technical problem adopts: described a kind of pipeline plugging head, this block head comprises: screw body, be arranged at the blocking device of described screw body one end, described screw body external cylindrical surface is provided with binding thread, described binding thread is combined with tightening nut, described blocking device comprises: the ring packing fixed groove being arranged at described screw body one end external cylindrical surface, be arranged at the diaphragm seal in described sealing fixed groove, be arranged at the rotating shaft plate of described screw body end, the supporting bar coordinated with described rotating shaft plate, described rotating shaft plate is provided with the rotary axis groove with the axes normal of described screw body, described rotating shaft plate is provided with the rotating shaft body stretching into described rotary axis groove, described supporting bar one end coordinates with the rotary axis groove on described rotating shaft plate, described supporting bar around the shaft body rotates, the orthogonal different surface beeline of axis of described rotating shaft body axis and described screw body, described screw body cylndrical surface is provided with the accommodating groove extended along described screw body axial direction, before shutoff, described supporting bar embeds described accommodating groove, after shutoff, described supporting bar is around the transmission of described rotating shaft body, described supporting bar is 4 and makes 360 ° of annular arrays along described screw body to be uniformly distributed, after described supporting bar launches, the end face laminating of relative two supporting bars.
Utilize supporting bar and diaphragm seal carry out shutoff to pipeline and utilize tightening nut to be fixed in above-mentioned design, it is to the no requirement (NR) of gas in pipelines residual quantity, and shutoff process is easy, and shutoff mouth is solid and reliable; Described supporting bar end face laminating, when shutoff, supporting bar can bear larger clamping force, and described accommodating groove reduces block head radial dimension, is convenient to the more small-bore hole of shutoff.
As the better improvement of the design, described diaphragm seal is provided with gauffer, and the folding line of described gauffer makes increased radioactivity along in described diaphragm seal to described diaphragm seal extension.The diaphragm seal of described gauffer be convenient to storage and when shutoff adhesive seal better.
As the better improvement of the design, bottom described supporting bar, be provided with the jag that Open Side Down.Breach bottom described supporting bar can make supporting bar to bend, better to fit with inner-walls of duct when shutoff.
The beneficial effects of the utility model are: the utility model utilizes supporting bar and diaphragm seal carry out shutoff to pipeline and utilize tightening nut to be fixed, and it is to the no requirement (NR) of gas in pipelines residual quantity, and shutoff process is easy, and shutoff mouth is solid and reliable; Described supporting bar end face laminating, when shutoff, supporting bar can bear larger clamping force, and described accommodating groove reduces block head radial dimension, is convenient to the more small-bore hole of shutoff.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is elevational schematic view of the present utility model;
Fig. 3 is screw body schematic cross-section of the present utility model;
Fig. 4 is that schematic diagram is launched in diaphragm seal side of the present utility model;
Fig. 5 is diaphragm seal schematic top plan view of the present utility model.
1. supporting bars in the drawings, 2. rotating shaft body, 3. diaphragm seal, 4. tightening nut, 5. accommodating groove, 6. seal fixed groove, 7. screw body, 8. rotary axis groove, 9. rotating shaft plate, 10. folding line, 11. breach.
Embodiment
The utility model is described in detail, illustrative examples wherein and illustrate and be only used for explaining the utility model below in conjunction with accompanying drawing and specific embodiment, but not as to restriction of the present utility model.
As shown in the figure, described a kind of pipeline plugging head, this block head comprises: screw body 7, be arranged at the blocking device of described screw body 7 one end, described screw body 7 external cylindrical surface is provided with binding thread, described binding thread is combined with tightening nut 4, described blocking device comprises: the ring packing fixed groove 6 being arranged at described screw body 7 one end external cylindrical surface, be arranged at the diaphragm seal 3 in described sealing fixed groove 6, be arranged at the rotating shaft plate 9 of described screw body 7 end, the supporting bar 1 coordinated with described rotating shaft plate 9, described rotating shaft plate 9 is provided with the rotary axis groove 8 with the axes normal of described screw body 7, described rotating shaft plate 9 is provided with the rotating shaft body 2 stretching into described rotary axis groove 8, described supporting bar 1 one end coordinates with the rotary axis groove 8 on described rotating shaft plate 9, described supporting bar 1 around the shaft body 2 rotates, the orthogonal different surface beeline of axis of described rotating shaft body 2 axis and described screw body 7, described screw body 7 cylndrical surface is provided with the accommodating groove 5 extended along described screw body 7 axial direction, before shutoff, described supporting bar 1 embeds described accommodating groove 5, after shutoff, described supporting bar 1 is around the transmission of described rotating shaft body 2, described supporting bar 1 is 4 and makes 360 ° of annular arrays along described screw body 7 to be uniformly distributed, after described supporting bar 1 launches, the end face laminating of relative two supporting bars 1.
Utilize supporting bar 1 and diaphragm seal 3 pairs of pipelines carry out shutoff and utilize tightening nut 4 to be fixed in above-mentioned design, it is to the no requirement (NR) of gas in pipelines residual quantity, and shutoff process is easy, and shutoff mouth is solid and reliable; Described supporting bar 1 end face laminating, when shutoff, supporting bar 1 can bear larger clamping force, and described accommodating groove 5 reduces block head radial dimension, is convenient to the more small-bore hole of shutoff.
As the better improvement of the design, described diaphragm seal 3 is provided with gauffer, and the folding line 10 of described gauffer makes increased radioactivity along in described diaphragm seal 3 to described diaphragm seal 3 extension.The diaphragm seal 3 of described gauffer be convenient to storage and when shutoff adhesive seal better.
As the better improvement of the design, bottom described supporting bar 1, be provided with the jag 11 that Open Side Down.Breach 11 bottom described supporting bar 1 can make supporting bar 1 to bend, better to fit with inner-walls of duct when shutoff.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (3)

1. a pipeline plugging head, it is characterized in that: this block head comprises: screw body, be arranged at the blocking device of described screw body one end, described screw body external cylindrical surface is provided with binding thread, described binding thread is combined with tightening nut, described blocking device comprises: the ring packing fixed groove being arranged at described screw body one end external cylindrical surface, be arranged at the diaphragm seal in described sealing fixed groove, be arranged at the rotating shaft plate of described screw body end, the supporting bar coordinated with described rotating shaft plate, described rotating shaft plate is provided with the rotary axis groove with the axes normal of described screw body, described rotating shaft plate is provided with the rotating shaft body stretching into described rotary axis groove, described supporting bar one end coordinates with the rotary axis groove on described rotating shaft plate, described supporting bar around the shaft body rotates, the orthogonal different surface beeline of axis of described rotating shaft body axis and described screw body, described screw body cylndrical surface is provided with the accommodating groove extended along described screw body axial direction, before shutoff, described supporting bar embeds described accommodating groove, after shutoff, described supporting bar is around the transmission of described rotating shaft body, described supporting bar is 4 and makes 360 ° of annular arrays along described screw body to be uniformly distributed, after described supporting bar launches, the end face laminating of relative two supporting bars.
2. a kind of pipeline plugging head according to claim 1, it is characterized in that, described diaphragm seal is provided with gauffer, and the folding line of described gauffer makes increased radioactivity along in described diaphragm seal to described diaphragm seal extension.
3. a kind of pipeline plugging head according to claim 1, is characterized in that, be provided with the jag that Open Side Down bottom described supporting bar.
CN201420607025.3U 2014-10-21 2014-10-21 A kind of pipeline plugging head Expired - Fee Related CN204226947U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420607025.3U CN204226947U (en) 2014-10-21 2014-10-21 A kind of pipeline plugging head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420607025.3U CN204226947U (en) 2014-10-21 2014-10-21 A kind of pipeline plugging head

Publications (1)

Publication Number Publication Date
CN204226947U true CN204226947U (en) 2015-03-25

Family

ID=52925044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420607025.3U Expired - Fee Related CN204226947U (en) 2014-10-21 2014-10-21 A kind of pipeline plugging head

Country Status (1)

Country Link
CN (1) CN204226947U (en)

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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: 20150325

Termination date: 20151021

EXPY Termination of patent right or utility model