CN206398250U - A kind of metal corrugated pipe expansion joint for being easy to check internal injury - Google Patents

A kind of metal corrugated pipe expansion joint for being easy to check internal injury Download PDF

Info

Publication number
CN206398250U
CN206398250U CN201720027715.5U CN201720027715U CN206398250U CN 206398250 U CN206398250 U CN 206398250U CN 201720027715 U CN201720027715 U CN 201720027715U CN 206398250 U CN206398250 U CN 206398250U
Authority
CN
China
Prior art keywords
adapter
peephole
interior
expansion joint
interior peephole
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
CN201720027715.5U
Other languages
Chinese (zh)
Inventor
李正良
水鹏程
撒砾
盛亮
哈敏达
董桂萍
周海龙
马静
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.)
NANJING CHENGUANG DONGLUO BELLOW CO Ltd
Original Assignee
NANJING CHENGUANG DONGLUO BELLOW 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 NANJING CHENGUANG DONGLUO BELLOW CO Ltd filed Critical NANJING CHENGUANG DONGLUO BELLOW CO Ltd
Priority to CN201720027715.5U priority Critical patent/CN206398250U/en
Application granted granted Critical
Publication of CN206398250U publication Critical patent/CN206398250U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)

Abstract

The utility model is related to a kind of metal corrugated pipe expansion joint for being easy to check internal injury, including left adapter, right adapter, inside lining sleeve and metal bellows, and the two ends of the metal bellows connect the right-hand member of the left adapter and the left end of right adapter respectively;The left end of the inside lining sleeve is truncated cone, and is inscribed on the inwall of the left adapter, and its right-hand member is vacantly placed in the right adapter;Interior peephole of the tube wall of the right adapter provided with an inside and outside insertion;The interior peephole is provided with detachable enclosed construction, and the interior peephole can be closed when expansion joint is normally used, and removes the enclosed construction when needing detection, is detected so as to which industrial endoscope is stretched into the interior peephole.The utility model is reasonable in design, simple in construction, easy to use, the damage on wavy metal pipe internal surface, weld seam, inside lining sleeve surface etc. can in time and be quickly checked by industrial endoscope, and records position and the image of damage, greatly improves inspection efficiency.

Description

A kind of metal corrugated pipe expansion joint for being easy to check internal injury
Technical field
The utility model, which is related to a kind of assembling pipe joint, especially one kind, easily to carry out damage inspection to its inside The metal corrugated pipe expansion joint looked into, specifically a kind of metal corrugated pipe expansion joint for being easy to check internal injury.
Background technology
With widely using for bellows expansion joint, carry out damage check during use to it and be particularly important. At present, conventional detection method is to pull down metal corrugated pipe expansion joint to be checked.But, the method both expends the time, and not Economy, easily to production be normally carried out cause large effect.
Utility model content
The purpose of this utility model is that there is provided a kind of metal wave for being easy to detect internal injury in view of the shortcomings of the prior art Line pipe expansion joint, conveniently can quickly be detected to expansion joint inside, save the time, and normal production will not be made Into influence.
The technical solution of the utility model is:
A kind of metal corrugated pipe expansion joint for being easy to check internal injury, including left adapter, right adapter, inside lining sleeve and metal Bellows, the two ends of the metal bellows connect the right-hand member of the left adapter and the left end of right adapter respectively;The inside lining sleeve Left end be truncated cone, and be inscribed on the inwall of the left adapter, its right-hand member is vacantly placed in the right adapter;The right side Interior peephole of the tube wall of adapter provided with an inside and outside insertion;The interior peephole is provided with detachable enclosed construction, can be in expansion Section closes the interior peephole when normally using, and removes the enclosed construction when needing detection, so as to which industrial endoscope is stretched into The interior peephole is detected.
Further, the enclosed construction includes interior peephole mouth and hole mouth cap;The interior peephole mouth is cylinder barrel shaped, and is set There is external screw thread;The hole mouth cap is bottle cap shape, and provided with internal thread;One end of the interior peephole mouth is welded on the interior peephole On, the other end spins with the hole mouth cap;Gasket seal is additionally provided with the hole mouth cap, can be tight-lipped close by the interior peephole Sealing.
The beneficial effects of the utility model:
The utility model is reasonable in design, simple in construction, easy to use, in time and quickly can be examined by industrial endoscope The damage on wavy metal pipe internal surface, weld seam, inside lining sleeve surface etc. is looked into, and records position and the image of damage, is greatly improved Inspection efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein:The left adapters of 1-;2- inside lining sleeves;3- metal bellows;The right adapters of 4-;Peephole mouth in 5-;6- holes mouth cap;7- is close Gasket.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Involved " left side " or " right side " all sets for ease of narration herein, not to the restriction of structure of the present utility model, Illustrate hereby.
As shown in Figure 1.
A kind of metal corrugated pipe expansion joint for being easy to check internal injury, including left adapter 1, right adapter 4, the and of inside lining sleeve 2 Metal bellows 3.The two ends of the metal bellows 3 connect the right-hand member of the left adapter 1 and the left end of right adapter 4 respectively.Institute The left end for stating inside lining sleeve 2 is truncated cone, and is gradually reduced from left to right.The left end end of the inside lining sleeve 2 is inscribed in the left side On the inwall of adapter 1, its right-hand member is vacantly placed in the right adapter 4, constitutes the left adapter 1, inside lining sleeve 2 and right adapter 4 Flow of media passage.Interior peephole of the tube wall of the right adapter 4 provided with an inside and outside insertion.The interior peephole is provided with detachable Enclosed construction.The enclosed construction includes interior peephole mouth 5 and hole mouth cap 6.Wherein, the interior peephole mouth 5 is cylinder barrel shaped, and is set There is external screw thread;The hole mouth cap 6 is bottle cap shape, and provided with internal thread;One end of the interior peephole mouth 5 is welded on the interior peephole On, the other end spins with the hole mouth cap 6, the hole mouth cap 6 is sealed the interior peephole mouth 5.Further, it is described Be additionally provided with gasket seal 7 in hole mouth cap 6, can by the tight sealing of the interior peephole mouth 5 so that, guarantor inside expansion joint can be made Good sealing is held, the need for meeting flow of media.When needing to check, by the removal of hole mouth cap 6, and it will be peeped in industry Mirror is stretched into inside expansion joint from the interior peephole mouth 5, you can completed to wavy metal pipe surface, weld seam and inside lining sleeve surface etc. Checked, and record position and the image of damage.
The utility model is not directed to partly same as the prior art or can realized using prior art.

Claims (2)

1. a kind of metal corrugated pipe expansion joint for being easy to check internal injury, including left adapter, right adapter, inside lining sleeve and metal wave Line pipe, it is characterized in that the two ends of the metal bellows connect the right-hand member of the left adapter and the left end of right adapter respectively;It is described The left end of inside lining sleeve is truncated cone, and is inscribed on the inwall of the left adapter, and its right-hand member is vacantly placed in the right adapter; Interior peephole of the tube wall of the right adapter provided with an inside and outside insertion;The interior peephole is provided with detachable enclosed construction, can The interior peephole is closed when expansion joint is normally used, and the enclosed construction is removed when needing and checking, to be peeped in industry Mirror stretches into the interior peephole and checked.
2. the metal corrugated pipe expansion joint according to claim 1 for being easy to check internal injury, it is characterized in that the closing Structure includes interior peephole mouth and hole mouth cap;The interior peephole mouth is cylinder barrel shaped, and provided with external screw thread;The hole mouth cap is bottle cap Shape, and provided with internal thread;One end of the interior peephole mouth is welded on the interior peephole, and the other end spins with the hole mouth cap; Gasket seal is additionally provided with the hole mouth cap, can be by the interior tight-lipped close sealing of peephole.
CN201720027715.5U 2017-01-11 2017-01-11 A kind of metal corrugated pipe expansion joint for being easy to check internal injury Active CN206398250U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720027715.5U CN206398250U (en) 2017-01-11 2017-01-11 A kind of metal corrugated pipe expansion joint for being easy to check internal injury

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720027715.5U CN206398250U (en) 2017-01-11 2017-01-11 A kind of metal corrugated pipe expansion joint for being easy to check internal injury

Publications (1)

Publication Number Publication Date
CN206398250U true CN206398250U (en) 2017-08-11

Family

ID=59513799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720027715.5U Active CN206398250U (en) 2017-01-11 2017-01-11 A kind of metal corrugated pipe expansion joint for being easy to check internal injury

Country Status (1)

Country Link
CN (1) CN206398250U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107061913A (en) * 2017-01-11 2017-08-18 南京晨光东螺波纹管有限公司 A kind of metal corrugated pipe expansion joint for being easy to check internal injury

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107061913A (en) * 2017-01-11 2017-08-18 南京晨光东螺波纹管有限公司 A kind of metal corrugated pipe expansion joint for being easy to check internal injury

Similar Documents

Publication Publication Date Title
CN202708384U (en) Non-welding flaring type seal pipe joint structure
CN203848989U (en) Detection apparatus
CN206398250U (en) A kind of metal corrugated pipe expansion joint for being easy to check internal injury
CN109458515B (en) Sampling pipeline airtight plugging device and method
CN107061913A (en) A kind of metal corrugated pipe expansion joint for being easy to check internal injury
CN204164527U (en) A kind of welding type pipe fitting joint applying double-lip sealing ring
CN207087491U (en) A kind of osculum path length straight tube endoporus overlap sanding apparatus
CN204787939U (en) Coiled pipe heat exchanger business turn over mouth connection structure
CN209340704U (en) Duct survey flanged fitting
CN204902257U (en) Coiled pipe heat exchanger business turn over mouth connecting device
CN105972327A (en) Novel membrane separator sealing device
CN202066537U (en) Venturi tube
CN109398983B (en) Pipeline of low-temperature tank and low-temperature tank
CN202221362U (en) Frameless weld joint vacuum leakage checking box
CN207961856U (en) A kind of quick coupling device suitable on graden machine
CN104613647A (en) Inlet and outlet nozzle connecting device of coiled pipe heat exchanger
CN206545747U (en) A kind of scalable thread complete set fixing pipe
CN109854850A (en) Duct survey flanged fitting
CN207007440U (en) A kind of heat exchanger tube helium checking device
CN205716215U (en) A kind of light-wall pipe seal plug
CN209622059U (en) Sampling valve
CN215931175U (en) Pipeline vacuumizing joint
CN106153270A (en) A kind of pipeline girth weld lossless detection method
CN205503031U (en) Adapter sleeve for oil drilling
CN214261053U (en) Sealing structure of air filter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant