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 PDFInfo
- 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
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- China
- Prior art keywords
- adapter
- peephole
- interior
- expansion joint
- interior peephole
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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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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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 |
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CN206398250U true CN206398250U (en) | 2017-08-11 |
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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)
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Cited By (1)
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 |
-
2017
- 2017-01-11 CN CN201720027715.5U patent/CN206398250U/en active Active
Cited By (1)
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 |
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