CN110107760B - Corrugated pipe with sleeve self-locking function - Google Patents
Corrugated pipe with sleeve self-locking function Download PDFInfo
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- CN110107760B CN110107760B CN201910178537.XA CN201910178537A CN110107760B CN 110107760 B CN110107760 B CN 110107760B CN 201910178537 A CN201910178537 A CN 201910178537A CN 110107760 B CN110107760 B CN 110107760B
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- self
- locking ring
- locking
- joint
- plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/04—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with a swivel nut or collar engaging the pipe
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to a corrugated pipe with a sleeving and self-locking function, which comprises a corrugated pipe main body, wherein two ends of the corrugated pipe main body are respectively provided with a sleeving joint and a plug joint, the plug joint is also provided with a sleeve, and the sleeve is in threaded fit with the sleeving joint; the sleeve joint is provided with a self-locking mechanism, the self-locking mechanism comprises a self-locking ring, the self-locking ring is positioned in an annular cavity on the pipe wall of the sleeve joint, and the pipe wall of the sleeve joint outside the annular cavity bulges outwards to form a circle of annular bulge with an arched cross section; a circle of self-locking groove with a U-shaped cross section matched with the self-locking ring is arranged outside the plug-in connector; the left end of the sleeve is provided with an inner conical surface arranged back to one side of the plug; the corrugated pipes are connected in an inserting mode, and the self-locking ring locking joint is matched through the sleeve piece, so that the corrugated pipes are quick to install, can be disassembled and restored, and is worthy of great popularization.
Description
Technical Field
The invention belongs to the technical field of corrugated pipes, and particularly relates to a corrugated pipe with a sleeving and self-locking function.
Background
The PE corrugated pipe is a plastic protective sleeve extruded from polyethylene material, and is called a corrugated pipe because the inner and outer parts of the PE corrugated pipe are annular corrugated. And functions to protect the cable from damage. Good wear resistance, corrosion resistance and the like. Because the PE material is more corrosion-resistant, wear-resistant and ageing-resistant, green, so the PE corrugated pipe also commonly is used as a rainwater and sewage branch pipe. The plastic corrugated pipe that basin drainage was used is mostly soft structure, and the tip is the straight section of thick bamboo of smooth wall, generally connects through flaring welded mode each other, and connection efficiency is low, and unable dismantlement restores in addition.
Disclosure of Invention
The invention aims to solve the problems and provide a corrugated pipe with a sleeving self-locking function, which can quickly realize the connection between corrugated pipes through insertion and locking of a sleeve and can be disassembled and restored.
The invention realizes the purpose through the following technical scheme:
a corrugated pipe with a sleeving and self-locking function comprises a corrugated pipe main body, wherein a sleeving joint and a plug joint are respectively arranged at two ends of the corrugated pipe main body, a sleeve piece is further arranged on the plug joint, and the sleeve piece is in threaded fit with the sleeving joint;
the sleeve joint is provided with a self-locking mechanism, the self-locking mechanism comprises a self-locking ring, the self-locking ring is positioned in an annular cavity on the pipe wall of the sleeve joint, and the pipe wall of the sleeve joint outside the annular cavity bulges outwards to form a circle of annular bulge with an arched cross section;
a circle of self-locking groove with a U-shaped cross section matched with the self-locking ring is arranged outside the plug-in connector; the left end of the sleeve is provided with an inner conical surface which is arranged back to one side of the plug connector.
As a further optimization scheme of the invention, the cross section of the self-locking ring is oval, and the self-locking ring is composed of a main body part with a rectangular cross section, an inner ring with a semicircular cross section and an outer ring with a semicircular cross section; the self-locking ring comprises an upper self-locking ring and a lower self-locking ring which are arranged in an up-and-down symmetrical mode.
As a further preferable aspect of the present invention, the inside of the annular projection is provided with a concave surface that fits the outside of the self-locking ring.
As a further optimization scheme of the invention, a spring is arranged between the end parts of an upper self-locking ring and a lower self-locking ring of the self-locking ring, blind holes matched with the spring are arranged at the end parts of the upper self-locking ring and the lower self-locking ring, and two ends of the spring are respectively arranged in the blind holes of the upper self-locking ring and the lower self-locking ring; when the plug connector is pulled out, the spring can jack up the two parts of the self-locking ring, so that the self-locking ring is reset.
As a further optimized scheme of the invention, the outer edge of the outer end face of the plug connector is provided with a fillet. The arc passing through the chamfer angle can pass smoothly when the end face of the plug contacts the self-locking ring.
As a further optimization scheme of the invention, the outer end of the plug is provided with an outer conical surface, the axial force is converted into radial force by utilizing the contact of the conical surface and the self-locking ring, and the self-locking ring is extruded to jack the annular protrusion of the self-locking ring so as to provide a passing space for the plug.
As a further optimization scheme of the corrugated pipe, the corrugated pipe main body is provided with an external sealing mechanism, the external sealing mechanism comprises a stuffing box formed between a sleeve joint and a plug joint, a gland sleeved on the plug joint is arranged in the stuffing box, the right ends of the sleeve joint and the gland are provided with connecting flanges matched with each other, the gland and the sleeve joint are connected through the connecting flanges, and sealing stuffing is filled in the stuffing box.
The invention has the beneficial effects that:
1) the corrugated pipes are connected in an inserting mode, and the self-locking ring locks the joint through the matching of the sleeve piece, so that the installation is quick, and the disassembly is convenient;
2) the self-locking ring is arranged in the pipe wall of the sleeve joint, and the plug joint is locked by extruding towards the inner movement by the outer conical surface, so that the self-locking mechanism can not influence the connection seal, and the sealing property is improved;
3) the invention further provides an outer sealing mechanism which is sealed by the filler, so that the detachability is kept and the sealing performance is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention in accordance with one embodiment;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a schematic structural diagram of the present invention in accordance with one embodiment;
FIG. 4 is an enlarged view at B of FIG. 3;
FIG. 5 is a schematic structural view of a self-locking ring according to the present invention in one embodiment;
FIG. 6 is a schematic structural view of the present invention according to the second embodiment;
FIG. 7 is a schematic structural view of the present invention in the third embodiment;
FIG. 8 is a schematic structural view of a self-locking ring according to the present invention in the fourth embodiment;
FIG. 9 is a schematic structural view of the present invention in a fifth embodiment;
fig. 10 is an enlarged view at C of fig. 9.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example one
As shown in fig. 1-5, a corrugated pipe with a sleeving and self-locking function comprises a corrugated pipe main body, wherein two ends of the corrugated pipe main body are respectively provided with a sleeving joint 1 and a plug joint 2, wherein the plug joint 2 is further provided with a sleeve 3, and the sleeve 3 is in threaded fit with the sleeving joint 1;
the sleeve joint 1 is provided with a self-locking mechanism, the self-locking mechanism comprises a self-locking ring 4, the self-locking ring 4 is positioned in an annular cavity on the pipe wall of the sleeve joint 1, and the pipe wall of the sleeve joint 1 outside the annular cavity bulges outwards to form a circle of annular bulge 5 with an arched cross section;
the cross section of the self-locking ring 4 is oval, and the self-locking ring is composed of a main body part with a rectangular cross section, an inner ring with a semicircular cross section and an outer ring with a semicircular cross section; the self-locking ring 4 comprises an upper self-locking ring 4-1 and a lower self-locking ring 4-2 which are arranged up and down symmetrically;
a circle of self-locking groove 6 with a U-shaped cross section is arranged outside the plug 2 and matched with the self-locking ring 4;
the left end of the sleeve 3 is provided with an inner conical surface 7 which is arranged back to one side of the plug-in connector 2.
The inside of the annular projection 5 is provided with a concave surface that engages with the outside of the self-locking ring 4.
The self-locking ring 4 is of an integral structure.
As described above, the sleeve 3 is screwed to the socket 1.
Above-mentioned, be equipped with the sealing washer between cup joint 1 and bayonet joint 2, the sealing washer can be the O type sealing washer of inlaying in bayonet joint 2 periphery.
As mentioned above, one end of the sleeve 3 close to the plug 2 extends inwards to form a circle of limiting ring, and the plug 2 is provided with a shoulder part matching with the limiting ring.
The use method of the corrugated pipe body interconnection comprises the following steps: firstly insert in the connector 2 cup joints 1, then the 3 cooperation screw threads of rotatory external member of rethread cover external member 3 cover on the connector 1 gradually, along with the interior conical surface 7 of 3 left ends of removal external member of external member 3 contact with annular protrusion 5 on the sleeve joint 1 gradually, along with the further removal of external member 3, the diameter of the interior conical surface 7 part of contacting with annular protrusion 5 reduces gradually, make the external member 3 compress annular protrusion 5 gradually and make it inwards cave in, compress upper and lower two parts from the catch 4 to the centre, make from catch 4 card go into in the self-locking groove 6 of connector 2, make from catch 4 restriction connector 2 and the axial motion between the sleeve joint 1.
Example two
Referring to the attached figure 6, the self-locking ring 4 is further optimized, a spring 4-3 is arranged between the end parts of an upper self-locking ring 4-1 and a lower self-locking ring 4-2, blind holes matched with the spring 4-3 are formed in the end parts of the upper self-locking ring 4-1 and the lower self-locking ring 4-2, and two ends of the spring 4-3 are respectively arranged in the blind holes of the upper self-locking ring 4-1 and the lower self-locking ring 4-2; when the plug 2 is pulled out, the spring 4-3 can jack the two-part self-locking ring 4 to reset the self-locking ring 4.
The spring 4-3 may fixedly connect the upper self-locking ring 4-1 and the lower self-locking ring 4-2.
The blind holes are formed in the main body parts of the upper self-locking ring 4-1 and the lower self-locking ring 4-2, so that the stress of the self-locking ring 4 is more balanced.
EXAMPLE III
As shown in fig. 7, since the self-locking ring 4 partially protrudes out of the inner wall of the socket joint 1 before being connected, in order to prevent the plug joint 2 from being inserted in place due to interference between the plug joint 2 and the self-locking ring 4, a rounded corner 21 is disposed on the outer edge of the outer end surface of the plug joint 2. The end face of the plug 2 is enabled to pass through the arc of the chamfer smoothly when contacting the self-locking ring 4.
Example four
As shown in fig. 8, in order to further prevent the self-locking ring 4 from blocking the insertion of the plug 2, the structure of the plug 2 is optimized, the outer end of the plug 2 is provided with an outer conical surface 31, the outer conical surface is in contact with the self-locking ring 4 to convert the axial force into the radial force, and the self-locking ring 4 is pressed to jack the annular protrusion 5 to provide a passing space for the plug 2.
EXAMPLE five
As shown in fig. 9-10, in order to solve the problem of low sealing performance caused by quick connection, the invention designs an external sealing mechanism, the external sealing mechanism includes a stuffing box 41 formed between a socket joint 1 and a plug joint 2, a gland 42 sleeved on the plug joint 2 is arranged in the stuffing box 41, a connecting flange 43 matched with each other is arranged at the right end of the socket joint 1 and the gland 42, the gland 42 is connected with the socket joint 1 through the connecting flange 43, and a sealing stuffing 44 is filled in the stuffing box 41.
The material of the sealing filler 44 is prior art and will not be described herein.
If necessary, the stop ring mechanism on the sleeve 3 needs to be eliminated.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. The utility model provides a bellows with cup joint self-locking function, includes bellows main part, its characterized in that: the two ends of the corrugated pipe main body are respectively provided with a socket joint and a plug joint, wherein the plug joint is also provided with a sleeve piece, and the sleeve piece is in threaded fit with the socket joint;
the sleeve joint is provided with a self-locking mechanism, the self-locking mechanism comprises a self-locking ring, the self-locking ring is positioned in an annular cavity on the pipe wall of the sleeve joint, and the pipe wall of the sleeve joint outside the annular cavity bulges outwards to form a circle of annular bulge with an arched cross section;
a circle of self-locking groove with a U-shaped cross section matched with the self-locking ring is arranged outside the plug-in connector; the left end of the sleeve is provided with an inner conical surface arranged back to one side of the plug connector, the inner conical surface is contacted with the annular bulge to convert axial force into radial force, and the annular bulge is extruded to drive the self-locking ring to be inserted into the self-locking groove;
the cross section of the self-locking ring is oval, and the self-locking ring is composed of a main body part with a rectangular cross section, an inner ring with a semicircular cross section and an outer ring with a semicircular cross section; the self-locking ring comprises an upper self-locking ring and a lower self-locking ring which are arranged up and down symmetrically;
a spring is arranged between the end parts of an upper self-locking ring and a lower self-locking ring of the self-locking ring, blind holes matched with the spring are formed in the end parts of the upper self-locking ring and the lower self-locking ring, and two ends of the spring are respectively arranged in the blind holes of the upper self-locking ring and the lower self-locking ring; when the plug connector is pulled out, the spring can jack up the two parts of the self-locking ring, so that the self-locking ring is reset.
2. The corrugated pipe with the sleeving self-locking function according to claim 1, wherein: and a concave surface matched with the outer part of the self-locking ring is arranged in the annular bulge.
3. The corrugated pipe with the sleeving self-locking function according to claim 1, wherein: and the outer edge of the outer end face of the plug connector is provided with a fillet.
4. The corrugated pipe with the sleeving self-locking function according to claim 1, wherein: the outer end of the plug is provided with an outer conical surface, the conical surface is contacted with the self-locking ring to convert axial force into radial force, and the self-locking ring is extruded to jack the annular protrusion to provide a passing space for the plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178537.XA CN110107760B (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with sleeve self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178537.XA CN110107760B (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with sleeve self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107760A CN110107760A (en) | 2019-08-09 |
| CN110107760B true CN110107760B (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910178537.XA Active CN110107760B (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with sleeve self-locking function |
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| Country | Link |
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| CN (1) | CN110107760B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043079A (en) * | 2021-11-02 | 2022-02-15 | 江阴标榜汽车部件股份有限公司 | Laser welding process for automobile corrugated pipe and joint |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352576A (en) * | 1965-08-24 | 1967-11-14 | Olin Mathieson | Tube coupling having split ring locking means |
| US3389923A (en) * | 1967-11-08 | 1968-06-25 | Haveg Industries Inc | Joint connection |
| FR2079912A6 (en) * | 1970-02-17 | 1971-11-12 | Belles Ondes Forges | |
| DE2603566A1 (en) * | 1975-01-30 | 1976-08-05 | Tch Hycop Ab | COUPLING FOR PIPES OR HOSES |
| CN101220890A (en) * | 2008-01-14 | 2008-07-16 | 黄陈宝 | Improved connecting structure of bellows |
| CN102272506A (en) * | 2009-01-12 | 2011-12-07 | 克劳泽工业发展有限公司 | Pipe grip ring |
| CN103062543A (en) * | 2011-10-20 | 2013-04-24 | 霍尼韦尔国际公司 | O-ring shield system and method |
| CN104302959A (en) * | 2012-04-18 | 2015-01-21 | 奥维科雅控股有限公司 | Threadless pipe coupling |
-
2019
- 2019-03-11 CN CN201910178537.XA patent/CN110107760B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352576A (en) * | 1965-08-24 | 1967-11-14 | Olin Mathieson | Tube coupling having split ring locking means |
| US3389923A (en) * | 1967-11-08 | 1968-06-25 | Haveg Industries Inc | Joint connection |
| FR2079912A6 (en) * | 1970-02-17 | 1971-11-12 | Belles Ondes Forges | |
| DE2603566A1 (en) * | 1975-01-30 | 1976-08-05 | Tch Hycop Ab | COUPLING FOR PIPES OR HOSES |
| CN101220890A (en) * | 2008-01-14 | 2008-07-16 | 黄陈宝 | Improved connecting structure of bellows |
| CN102272506A (en) * | 2009-01-12 | 2011-12-07 | 克劳泽工业发展有限公司 | Pipe grip ring |
| CN103062543A (en) * | 2011-10-20 | 2013-04-24 | 霍尼韦尔国际公司 | O-ring shield system and method |
| CN104302959A (en) * | 2012-04-18 | 2015-01-21 | 奥维科雅控股有限公司 | Threadless pipe coupling |
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| Publication number | Publication date |
|---|---|
| CN110107760A (en) | 2019-08-09 |
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