CN206786158U - Double-deck pipe device - Google Patents

Double-deck pipe device Download PDF

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Publication number
CN206786158U
CN206786158U CN201720486303.8U CN201720486303U CN206786158U CN 206786158 U CN206786158 U CN 206786158U CN 201720486303 U CN201720486303 U CN 201720486303U CN 206786158 U CN206786158 U CN 206786158U
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CN
China
Prior art keywords
joint
wall
inner tube
double
interlayer
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.)
Active
Application number
CN201720486303.8U
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Chinese (zh)
Inventor
朱长平
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.)
Anhui Wanyi Science and Technology Co Ltd
Original Assignee
Anhui Wanyi Science and Technology Co Ltd
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Publication date
Application filed by Anhui Wanyi Science and Technology Co Ltd filed Critical Anhui Wanyi Science and Technology Co Ltd
Priority to CN201720486303.8U priority Critical patent/CN206786158U/en
Application granted granted Critical
Publication of CN206786158U publication Critical patent/CN206786158U/en
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Abstract

The utility model discloses a kind of double-deck pipe device, include inner tube, outer tube, cross wall joint, cross wall welded flange, joint, adapter and quick connector, the both ends of inner tube were connected on wall joint and joint, the both ends of outer tube were held on the outer layer surface of wall joint and joint respectively, were crossed wall welded flange and were fixed on wall joint;The through hole for being respectively equipped with and being communicated with inner tube is crossed in wall joint and joint, there is interlayer between inside and outside layer pipe, crosses the interlayer evacuation holes that the interlayer that wall welded flange is provided between inside and outside layer pipe communicates, joint is connected by adapter with quick connector.The utility model is simple in construction, reliable and stable, it is easy to accomplish, inner tube is high-pressure rubber pipe, realizes pipe high-pressure(>=5MPa) filling, the interlayer of inner tube, outer tube is evacuated, ensure that the high leakproofness of pipeline, realizes the high leakproofness that pipeline is ensure that while the high pressure of pipeline fills.

Description

Double-deck pipe device
Technical field
Helium mass spectrometer leak detecting technology field is the utility model is related to, specifically a kind of double-deck pipe device.
Background technology
Helium mass spectrum leak detection is a kind of common leak detection analysis method, in power industry, space flight industry, nuclear industry, refrigeration row Industry etc. has an extensive utilization, needs to use pipeline to connect detected pieces during leak detection, using when being detected in case, it is necessary to by detected pieces It is placed in the pipeline for being connected detected pieces in vacuum tank, at this moment needs to ensure connecting pipe under high malleation or lower negative pressure state Reliable sealing, ensure the pipeline No leakage of connection detected pieces, traditional pipeline connected mode, by attachment structure and pipeline material Limitation, it is difficult to ensure that pipeline No leakage or seepage under high barotropic state.
Utility model content
The purpose of this utility model is to provide a kind of double-deck pipe device, is a kind of high reliability, the connecting pipe of No leakage, The defects of to make up prior art.
The technical solution of the utility model is as follows:
A kind of double-deck pipe device, include inner tube, outer tube, cross wall joint, cross wall welded flange, joint, adapter And quick connector, it is characterised in that:The both ends of the inner tube are connected on the mistake wall joint and joint, the outer layer The both ends of pipe are held on the outer layer surface of wall joint and joint excessively respectively, and described wall welded flange of crossing is fixed on the mistake On wall joint;Described crossing in wall joint and joint is respectively equipped with the through hole communicated with the inner tube, described inside and outside layer pipe Between there is interlayer, the described interlayer that the interlayer that wall welded flange is provided between the inside and outside layer pipe communicates of crossing evacuates Hole, described joint are connected by the adapter with the quick connector.
Described double-deck pipe device, it is characterised in that:Described inner tube is high-pressure rubber pipe.
Described double-deck pipe device, it is characterised in that:Described outer tube is silicone tube.
Described double-deck pipe device, it is characterised in that:The both ends of the inner tube are connected to institute by lock-on connection Stated on wall joint and joint.
Described double-deck pipe device, it is characterised in that:Described wall welded flange of crossing passes through locking nut, stainless steel screw Described cross on wall joint is fixed on briquetting.
Described double-deck pipe device, it is characterised in that:Pass through O between described wall welded flange excessively and the wall joint excessively Type circle seals.
In use, whole device is welded and fixed by crossing wall welded flange, the connection of interlayer evacuation holes evacuates end, in real time Internally, the interlayer between outer tube evacuates, quick connector connection examined workpiece, crosses the work of the port connection leak test plant of wall joint Part evacuates, inflatable end.
The beneficial effects of the utility model:
The utility model is simple in construction, reliable and stable, it is easy to accomplish, inner tube is high-pressure rubber pipe, realizes pipe high-pressure (>=5MPa) filling, the interlayer of inner tube, outer tube is evacuated, the high leakproofness of pipeline is ensure that, realizes that the high pressure of pipeline is filled The high leakproofness of pipeline is ensure that while note.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model structure sectional view one.
Fig. 3 is the utility model structure sectional view two.
Embodiment
Referring to accompanying drawing, a kind of double-deck pipe device, include inner tube 1, outer tube 2, cross wall joint 3, cross wall welded flange 4th, joint 5, adapter 6 and quick connector 7, the both ends of inner tube 1 were connected on wall joint 3 and joint 5, outer tube 2 Both ends be held in respectively on the outer layer surface of wall joint 3 and joint 5, cross wall welded flange 4 and be fixed on wall joint 3;Cross The through hole communicated with inner tube 1 is respectively equipped with wall joint 3 and joint 5, there is interlayer between inside and outside layer pipe 1,2, crosses wall welding Flange 4 is provided with the interlayer evacuation holes 8 that the interlayer between inside and outside layer pipe 1,2 communicates, and joint 5 passes through adapter 6 and fast grafting First 7 connection.
In the utility model, inner tube 1 is high-pressure rubber pipe.
Outer tube 2 is silicone tube.
The both ends of inner tube 1 were connected on wall joint 3 and joint 5 by lock-on connection 9,10.
Wall welded flange 4 is crossed to be fixed on wall joint 3 by locking nut 11, stainless steel screw 12 and briquetting 13.
Cross between wall welded flange 4 and excessively wall joint 3 and sealed by O-ring 14.
In use, whole device is welded and fixed by crossing wall welded flange 4, the connection of interlayer evacuation holes 8 evacuates end, in real time Internal, outer tube 1,2 between interlayer evacuate, quick connector 7 connects examined workpiece, crosses the port connection leak detection of wall joint 3 The workpiece of equipment evacuates, inflatable end.

Claims (6)

1. a kind of double-deck pipe device, include inner tube, outer tube, cross wall joint, cross wall welded flange, joint, adapter and Quick connector, it is characterised in that:The both ends of the inner tube are connected on the mistake wall joint and joint, the outer tube Both ends be held in respectively it is described cross on the outer layer surface of wall joint and joint, it is described cross wall welded flange and be fixed on described cross wall On joint;Described crossing in wall joint and joint is respectively equipped with the through hole communicated with the inner tube, and described inside and outside layer manages it Between there is interlayer, the described interlayer evacuation holes crossed the interlayer that wall welded flange is provided between the inside and outside layer pipe and communicated, Described joint is connected by the adapter with the quick connector.
2. double-deck pipe device according to claim 1, it is characterised in that:Described inner tube is high-pressure rubber pipe.
3. double-deck pipe device according to claim 1, it is characterised in that:Described outer tube is silicone tube.
4. double-deck pipe device according to claim 1, it is characterised in that:The both ends of the inner tube pass through lock-on connection point Described cross on wall joint and joint is not connected to.
5. double-deck pipe device according to claim 1, it is characterised in that:Described wall welded flange of crossing passes through locking screw Female, stainless steel screw and briquetting are fixed on described cross on wall joint.
6. double-deck pipe device according to claim 1, it is characterised in that:Described wall welded flange of crossing connects with the wall of crossing Sealed between head by O-ring.
CN201720486303.8U 2017-05-04 2017-05-04 Double-deck pipe device Active CN206786158U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720486303.8U CN206786158U (en) 2017-05-04 2017-05-04 Double-deck pipe device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720486303.8U CN206786158U (en) 2017-05-04 2017-05-04 Double-deck pipe device

Publications (1)

Publication Number Publication Date
CN206786158U true CN206786158U (en) 2017-12-22

Family

ID=60709432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720486303.8U Active CN206786158U (en) 2017-05-04 2017-05-04 Double-deck pipe device

Country Status (1)

Country Link
CN (1) CN206786158U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108443588A (en) * 2018-01-31 2018-08-24 爱发科东方真空(成都)有限公司 A kind of sealed joint pipe
CN109632213A (en) * 2019-01-03 2019-04-16 武汉船用机械有限责任公司 A kind of sealing detection tooling for double tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108443588A (en) * 2018-01-31 2018-08-24 爱发科东方真空(成都)有限公司 A kind of sealed joint pipe
CN109632213A (en) * 2019-01-03 2019-04-16 武汉船用机械有限责任公司 A kind of sealing detection tooling for double tube

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GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: High tech Zone Wenqu 230088 Hefei Road, Anhui province No. 8

Patentee after: ANHUI WANYI SCIENCE & TECHNOLOGY Co.,Ltd.

Address before: Tianda high tech Zone 230088 Hefei Road, Anhui province No. 71 Huayi Science Park building B building Anhui instrument

Patentee before: ANHUI WANYI SCIENCE & TECHNOLOGY Co.,Ltd.