CN200996508Y - Shielding-sleeve threaded connecter - Google Patents
Shielding-sleeve threaded connecter Download PDFInfo
- Publication number
- CN200996508Y CN200996508Y CN 200620170127 CN200620170127U CN200996508Y CN 200996508 Y CN200996508 Y CN 200996508Y CN 200620170127 CN200620170127 CN 200620170127 CN 200620170127 U CN200620170127 U CN 200620170127U CN 200996508 Y CN200996508 Y CN 200996508Y
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- China
- Prior art keywords
- flange
- connecting tube
- pipe
- mouth
- thread
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- 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
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Abstract
A sheath-threaded joint, the end of a connecting pipe (1) has a diameter expanded mouth (11), and the other end of a connecting tube (4) inserting into the mouth of (11) connects with the connecting pipe (1), a seal ring (3) is arranged between the connecting tube (1) and connecting tube (4), the joint is characterized in that the connecting tube (4) is fixed with a threaded flange (5), the end of the mouth ( 11) of the connecting pipe (1)is provided with a flanging flange (12) or flange, the outer wall of the rear mouth of the flanging flange (12) is covered with a wall of threaded flange (2) that is meshed with the threaded flange (5), the outer threaded flange (5) and flanging flange (12), or the combination of the flange is provided with the ring (3).
Description
Affiliated technical field
The utility model relates to a kind of pipe joint, the concrete a kind of protective-cover type thread connecting joint that is tightly connected between metallic conduit that is meant.
Background technique
In the construction, for stake, post or large-sized concrete basis, before concrete placement, often all will place some in the reinforcing bar cage in advance is used to detect or the metallic conduit of concrete quality, this requirements for pipes is reached the last at concrete and is just imbedded with the reinforcing bar cage, can detect by the situation of this pipeline to concrete foundation later on.For this class pipeline: first requires its connection part that good sealing property is arranged, and enters pipeline to prevent the cement mortar in the concrete, and blocking pipe causes detection facility to put into, thereby makes pipeline inoperative and scrap, and this is a most basic requirement; Second requirement is that two pipelines that connect are in same axle center, can not hinder putting into and moving of interior equipment of pipeline or device; The 3rd requirement is that two pipelines that connect will have very high resistance to flexure, in concrete construction, inevitably can radial thrust be arranged to the pre-buried pipeline in inside, this part thrust produces stress at pipeline junction especially easily and concentrates, and this just requires the attachment portion of pipeline that certain resistance to flexure will be arranged.
Chinese patent notification number: CN 2467860Y, the day for announcing: December 26 calendar year 2001, model utility title " a kind of steel pipe linkage structure " has proposed to be provided with the technological scheme that seal ring connects with injecting another metal tube after the metal tube one end enlarging and inserting the position at it.This scenario-frame is simple, and is easy for installation, and steel pipe and join strength is not had the occasion of specific (special) requirements is suitable for plugging into temporarily.Generally can be used for the degree of depth in stake, post or the concrete foundation below 75 meters.But the defective below this technological scheme exists: the 1st, axial combination force is low, smashes the phenomenon that canal float and following pipe disengaging take place center of percussion at concrete sometimes.The 2nd, sealing effect is not good, and its pipe joint position pressure-bearing is limited, and sealing load is low, and when pressure-bearing was higher, mortar was easily got in the steel pipe from joint area, is unsuitable for use in stake, post or the concrete foundation of dark (well depth is above 80 meters) are constructed.3 is that the gap radially reserved, two pipe jointing part positions is bigger, and the coaxial accuracy that two pipes connect is low, and binding site is level and smooth inadequately, and the operation of equipment in managing or device is had certain influence.The 4th, the join strength of joint area is lower, and anti-bending strength is relatively poor.
Summary of the invention
The purpose of this utility model is to overcome the existing in prior technology deficiency, provides a kind of simple in structure, easy to use, join strength height, good seal performance, the smooth smooth protective-cover type thread connecting joint of binding site in the pipe.
Technical solution of the present utility model is: the protective-cover type thread connecting joint, the mouth of pipe that caliber expansion is arranged at an end of connecting tube, one end of another connecting tube inserts in the mouth of pipe of connecting tube, be provided with seal ring between connecting tube and the connecting tube, be fixed with the outside thread flange on the connecting tube, mouth of pipe end on the connecting tube is provided with flange flange or flange, on the mouth of pipe outer wall at flange flange or flange rear, be socketed with the internal thread flange that can be meshed, between the junction plane of screwed flange and flange flange or flange seal ring be housed outside with the outside thread flange.
The endoporus of the mouth of pipe described in the utility model is the little taper hole of mouthful imperial palace.
The length of the utility model connecting tube upper orifice is more than or equal to the external diameter of the mouth of pipe, and the tapering of mouth of pipe endoporus is 1: 25.
Compared with prior art, the beneficial effects of the utility model are:
1, thread connecting mode is adopted in outside at two connecting tubes, inside then is that a connecting tube is inserted in another connecting tube, the gap of internal thread flange and connecting tube is little, and by taper hole centering, not only guaranteed the coaxality of two connecting tubes, and made two connecting tubes that very strong axial tensile strength and resistance to flexure radially be arranged.
2, the place that the utility model will need to seal focuses on a place, has reduced the link of sealing, thereby sealing effect is greatly improved.
3, the volume of linkage structure is little, in light weight, simple in structure, fabricating cost is low.Reliable, sealing and good pressure-resistant performance, the anti-leak performance of being threaded improves.Can be used for the isostructural connection of concrete embedded pipe or water pipe.
4, to install, dismounting is easy, easy construction, quick is connected firmly, reliably.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail
Referring to Fig. 1, the protective-cover type thread connecting joint is by connecting tube 1,4, internal thread flange 2, outside thread flange 5, and seal ring 3 is formed.Connecting tube 1,4 can be metal tube, water pipe, plastic tube etc.The mouth of pipe 11 that caliber expansion is arranged at an end of connecting tube 1, one end of another connecting tube 4 inserts in the mouth of pipe 11 of connecting tube 1, be provided with seal ring 3 between connecting tube 1 and the connecting tube 4, be fixed with outside thread flange 5 on the connecting tube 4, the mouth of pipe 11 ends on the connecting tube 1 are provided with flange flange 12 or flange, on the mouth of pipe 11 outer walls at flange flange 12 or flange rear, be socketed with the internal thread flange 2 that can be meshed, between the junction plane of screwed flange 5 and flange flange 12 or flange seal ring 3 be housed outside with outside thread flange 5.
End with connecting tube 1 during making radially enlarges the formation mouth of pipe 11, and the endoporus of the mouth of pipe 11 is slightly larger than the external diameter of connecting tube 4.Then the mouth of pipe 11 end face turnups after enlarging are become one perpendicular to its axial plane, form flange flange 12, or directly weld a flange.The endoporus of the mouth of pipe 11 can be straight hole, but the little taper hole of mouthful imperial palace preferably, promptly the mouth of pipe 11 endoporus are taper holes.Can make the external diameter of the length of connecting tube 1 upper orifice 11 more than or equal to the mouth of pipe 11, the tapering of the mouth of pipe 11 endoporus is 1: 25.So both can guarantee the coaxality after connecting tube 4 inserts the mouth of pipe 11, also help the sealing at pipe joint position.The other end diameter of connecting tube 1 does not enlarge, and can make the structure of connecting tube 4, so that be connected with another root connecting tube 1.Be shaped on outside thread on the outer cylinder surface of outside thread flange 5, the inner hole sleeve of outside thread flange 5 is connected on the outer wall of connecting tube 4, reserve the length that connecting tube 4 inserts in the connecting tubes 1, again outside thread flange 5 directly is welded on the connecting tube 4.Internal thread flange 2 is that an end is provided with the pipe part that ends circle, and monolateral cross section be " L " type, is provided with internal thread at the inwall of pipe, and it ends, and to enclose be that a diameter is slightly larger than the mouth of pipe 11 external diameters and less than flange flange 12 or flange, the hole of external diameter.Internal thread flange 2 is socketed on the mouth of pipe 11, can on connecting tube 1, be free to slide, and can guarantee that internal thread flange 2 is through flange flange 12 or flange pulling connecting tube 1 close outside thread flange 5.The outer cylinder surface of internal thread flange 2 is provided with annular knurl, so that grip and turn.When two connecting tubes 1,4 connect, connecting tube 4 is inserted in the connecting tubes 1, because there is certain tapering connecting tube 1 inboard, the connecting tube 4 of insertion can arrive the position coaxial with connecting tube 1 automatically.Pipe joint herein can be regarded a complete connecting tube as, and its wall thickness obtained thickening, has so just guaranteed that pipe joint has very high resistance to flexure.Between the end face of the outer Transverse plane of flange flange 12 or flange and outside thread flange 5, place a seal ring 3, rotate internal thread flange 2 then and make it to screw, thereby drive and tension connecting tube 1 and connecting tube 4, to compress seal ring 3 with outside thread flange 5.Since the space boundary at seal ring 3 places seal ring 3 deformation directions can only be to radially both sides distortion, thereby filled unnecessary space, this just makes the airtight space of formation between connecting tube 1 and connecting tube 4 internal pipelines, avoids sandstone and liquid to enter among the pipeline.Through test, adopt 50 millimeters of diameters, No. 30 welded tubes that wall thickness is 1 millimeter, in constructing, concrete pile, the post of well depth 100-200 rice use the utility model structure to come embedding pipe fittings, its outside and inner bearing strength is all greater than 8 MPas/centimetres 2, pipe joint does not have upper and lower pipe and breaks away from and the mortar leakage phenomenon, pipe joint endoporus coaxality height, and its tension, resistance to flexure and sealing, withstand voltage properties have all satisfied usage requirement.
Claims (3)
1. protective-cover type thread connecting joint, the mouth of pipe (11) that caliber expansion is arranged at an end of connecting tube (1), one end of another connecting tube (4) inserts in the mouth of pipe (11) of connecting tube (1), be provided with seal ring (3) between connecting tube (1) and the connecting tube (4), it is characterized in that: be fixed with outside thread flange (5) on the connecting tube (4), the mouth of pipe (11) end on the connecting tube (1) is provided with flange flange (12) or flange, on the mouth of pipe (11) outer wall at flange flange (12) or flange rear, be socketed with the internal thread flange (2) that can be meshed, between the junction plane of screwed flange (5) and flange flange (12) or flange seal ring (3) be housed outside with outside thread flange (5).
2. protective-cover type thread connecting joint according to claim 1 is characterized in that: the endoporus of the mouth of pipe (11) is the little taper hole of mouthful imperial palace.
3. protective-cover type thread connecting joint according to claim 1 and 2 is characterized in that: the length of connecting tube (1) upper orifice (11) is more than or equal to the external diameter of pipe (11), and the tapering of the mouth of pipe (11) endoporus is 1: 25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620170127 CN200996508Y (en) | 2006-12-30 | 2006-12-30 | Shielding-sleeve threaded connecter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620170127 CN200996508Y (en) | 2006-12-30 | 2006-12-30 | Shielding-sleeve threaded connecter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200996508Y true CN200996508Y (en) | 2007-12-26 |
Family
ID=38994939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620170127 Expired - Fee Related CN200996508Y (en) | 2006-12-30 | 2006-12-30 | Shielding-sleeve threaded connecter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200996508Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383601A (en) * | 2011-08-24 | 2012-03-21 | 中国葛洲坝集团股份有限公司 | Method and device for leading pre-embedded pipes in concrete out of side wall joints |
| CN103174640A (en) * | 2012-04-25 | 2013-06-26 | 张国祥 | Reinforced plastic composite shaft pump pipe |
| CN108396908A (en) * | 2018-04-08 | 2018-08-14 | 湖北沛函建设有限公司 | Heavy assembled slip casting steel pipe congruent column and processing method |
-
2006
- 2006-12-30 CN CN 200620170127 patent/CN200996508Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383601A (en) * | 2011-08-24 | 2012-03-21 | 中国葛洲坝集团股份有限公司 | Method and device for leading pre-embedded pipes in concrete out of side wall joints |
| CN102383601B (en) * | 2011-08-24 | 2013-12-04 | 中国葛洲坝集团股份有限公司 | Method and device for leading pre-embedded pipes in concrete out of side wall joints |
| CN103174640A (en) * | 2012-04-25 | 2013-06-26 | 张国祥 | Reinforced plastic composite shaft pump pipe |
| CN103174640B (en) * | 2012-04-25 | 2016-05-04 | 新疆泓科节水设备制造有限公司 | Muscle is moulded composite well pump line |
| CN108396908A (en) * | 2018-04-08 | 2018-08-14 | 湖北沛函建设有限公司 | Heavy assembled slip casting steel pipe congruent column and processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Ge Xiaojian Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20101230 |