CN113187960A - Socket type structure wall winding pipe and butt joint sealing performance detection method thereof - Google Patents
Socket type structure wall winding pipe and butt joint sealing performance detection method thereof Download PDFInfo
- Publication number
- CN113187960A CN113187960A CN202110562478.3A CN202110562478A CN113187960A CN 113187960 A CN113187960 A CN 113187960A CN 202110562478 A CN202110562478 A CN 202110562478A CN 113187960 A CN113187960 A CN 113187960A
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- Prior art keywords
- rubber ring
- socket
- pipe
- ring groove
- sealing
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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
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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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
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
- F16L47/08—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
Abstract
The invention provides a socket type structural wall winding pipe, which comprises a pipe body, a winding wall pipe wound on the pipe body, and a bell mouth and a spigot which are respectively arranged at two ends of the pipe body, and is characterized in that a first sealing rubber ring groove and a second sealing rubber ring groove are sequentially arranged on the spigot from head to tail, and the outer diameter of the first sealing rubber ring groove is larger than that of the second sealing rubber ring groove; the socket type structure wall winding pipe can meet the use rigidity and toughness, and the pipe has higher internal and external sealing performance during butt joint, so that water is prevented from leaking from inside to outside and from outside to inside; also provided is a method for detecting the sealing performance of butt joint, which can simply and effectively detect the internal and external sealing performance of butt joint.
Description
Technical Field
The invention relates to the technical field of plastic pipelines, in particular to a socket type structure wall winding pipe and a butt joint sealing performance detection method thereof.
Background
The polyethylene structure wall winding pipe has the advantages of corrosion resistance, low friction resistance, abrasion resistance and the like, has high ring stiffness, deep burying, good integral forming process, high seam tensile strength and corrosion resistance and longer service life; has multiple reliable and convenient connection modes. The pipe is the current investment hot spot of plastic drainage and pollution discharge pipe. In the connection of the composite pipes, the joint pipe fitting and the connection structure of the joint pipe fitting and the pipe are very important.
At present, the polyethylene structure wall winding pipe comprises an A-type pipe, a B-type pipe and a C-type pipe, a great potential safety hazard exists in connection modes such as a contraction belt or a contraction sleeve commonly used for the A-type pipe or welding wire hot melting welding socket joint, and the passing of a water closing test is generally difficult to ensure; the B-type pipe (Krah pipe) is produced by an intermittent roller at present, the mode uses an integral forming joint, the joint is made into the required joint size through a vehicle after forming, then an S-type copper wire is fixed on the inner wall of a bellmouth through a rivet gun by manpower, the operation procedures are more, the copper wire falls off due to easy rusting of a rivet and is not suitable for being used in areas with serious geological settlement, and the C-type pipe is a continuous production mode, has a first joint production mode and also has an A-type pipe connection mode.
For the rubber ring socket joint connection, there is also technical application at present, but the traditional pipe usually adopts a rubber ring connection, which brings great trouble to the pipe tightness detection, the common practice in the prior art is to use the air bag to block at the two ends of the pipe for the pressure detection after the pipe is well connected, the method is complex, the pressure time is long, the sealing effect is poor, the method also adopts the method that one end of the pipe is manually welded by a plastic plate, the pipe is erected, the erecting height is usually 2 m to 2.5 m, the disadvantages of complex method and long pressure time exist according to the test pressure, the two convenient water closing effects are poor, the failure rate is high, more importantly, because the rubber ring is usually in the shape of inclined teeth from outside to inside, even if the two methods are tested to be qualified, only the water in the pipe cannot permeate outwards, but the underground water cannot permeate into the pipe, if the underground water has reverse osmosis, the separation of rain and dirt cannot be achieved and soil erosion and collapse may occur around the pipe.
Disclosure of Invention
The invention provides a socket type structure wall winding pipe which meets the use rigidity and toughness, has higher internal and external sealing performance when in butt joint, and avoids water leakage from inside to outside and water leakage from outside to inside; also provided is a method for detecting the sealing performance of butt joint, which can simply and effectively detect the internal and external sealing performance of butt joint.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a socket joint formula structure wall winding pipe, includes body, the winding wall pipe of winding on the body and sets up bellmouth and socket at the body both ends respectively, first seal rubber ring groove and second seal rubber ring groove have set gradually from beginning to end on the socket, the external diameter in first seal rubber ring groove is greater than the external diameter in second seal rubber ring groove.
Furthermore, the bellmouth is provided with a plurality of ring reinforcing ribs which are uniformly distributed on the outer surface of the bellmouth.
Further, an inner chamfer is arranged at the opening and inside of the socket.
Further, an outer chamfer is arranged at the opening of the socket and corresponds to an inner chamfer inside the socket.
Further, the interval between the first sealing rubber ring groove and the second sealing rubber ring groove is 10-30 mm.
Further, the cross section of the winding wall pipe is circular or polygonal.
Also provided is a method for detecting the butt sealing performance of the socket type structure wall winding pipe, which comprises the following steps:
A. respectively placing rubber rings into a first rubber ring sealing groove and a second rubber ring sealing groove;
B. drilling an exhaust hole and a pressing hole on a bell mouth or a spigot corresponding to the interval between the first sealing rubber ring groove and the second sealing rubber ring groove, and tapping the exhaust hole and the pressing hole;
c, connecting a three-way pipe to the pressing hole, and respectively connecting a pressure gauge and a pressing device to the three-way pipe;
D. inserting the socket into the socket for butt joint, then filling water into the space between the first sealing rubber ring groove and the second sealing rubber ring groove through the vent hole or the three-way pipe, and plugging the vent hole by using a plug when the water overflows from the vent hole and no bubbles are generated;
E. the pressing device is used for pressing for multiple times to enable the pressure to reach a required value; when the pressure value displayed by the pressure gauge is reduced, the pressure can be continuously pressed for a long time, and if the pressure value displayed by the pressure gauge can be kept to reach a required value, a valve connected with the three-way pipe on the pressing device can be closed;
F. and (4) statically observing whether water leaks and whether the pressure value is reduced, checking the pressure value of the pressure gauge after 24 hours, comparing the pressure value before and after the pressure value is checked to determine whether the pressure drop meets the standard requirement, and finishing the detection of the internal seal and the external seal of the butt joint seal.
Compared with the prior art, the invention has the beneficial effects that:
(1) the first sealing rubber ring groove and the second sealing rubber ring groove are formed in the insertion opening, so that a rubber ring can be placed in the butt joint process to improve the butt joint sealing performance; the outer diameter of the first sealing rubber ring groove is larger than that of the second dense layer rubber ring groove, so that the influence of the outward expansion of the rubber ring on the first sealing rubber ring groove on the tightness of the rubber ring on the second sealing rubber ring groove during installation can be reduced; the bellmouth is provided with the circular ring reinforcing rib, so that the rigidity of the bellmouth is improved.
(2) The water closing detection is carried out on the closed interval between the rubber ring on the first sealing rubber ring groove and the rubber ring on the second sealing rubber ring groove, so that the resistance capability of the rubber ring to the external and internal water permeation of the pipe can be verified, and the detection on the internal and external closed capability of the pipe is realized.
(3) Because the airtight interval between the rubber ring on the first sealing rubber ring groove and the rubber ring on the second sealing rubber ring groove is smaller, the flushing speed is high, and the water closing efficiency is very high.
Drawings
FIG. 1 is a schematic cross-sectional view of a wall-wrapped pipe of the socket type structure of the present invention;
FIG. 2 is a schematic view of the socket-to-socket joint tightness test according to the present invention;
fig. 3 is an enlarged view of a part of the structure a of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element/feature is referred to as being "disposed on" another element/feature, it can be directly on the other element/feature or intervening elements/features may also be present. When a component/part is referred to as being "connected/coupled" to another component/part, it can be directly connected/coupled to the other component/part or intervening components/parts may also be present. The term "connected/coupled" as used herein may include electrical and/or mechanical physical connections/couplings. The term "comprises/comprising" as used herein refers to the presence of features, steps or components/features, but does not preclude the presence or addition of one or more other features, steps or components/features. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
In addition, in the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and to distinguish similar objects, and there is no order of precedence between the two, and no indication or implication of relative importance is to be inferred.
Referring to fig. 1, a socket type structure wall winding pipe includes a pipe body 1, a winding wall pipe 2 wound on the pipe body 1, and a socket 3 and a spigot 4 respectively disposed at two ends of the pipe body, wherein the spigot 4 is sequentially provided with a first sealing rubber ring groove 5 and a second sealing rubber ring groove 6 from beginning to end, and an outer diameter of the first sealing rubber ring groove 5 is greater than an outer diameter of the second sealing rubber ring groove 6. When the socket 3 is butted with the socket 4, rubber rings 10 are placed on the first sealing rubber ring groove 5 and the second sealing rubber ring groove 6, and the rubber rings 10 can be multi-tooth sealing rubber rings, so that the inner and outer sealing performance of butt joint is improved; the outer diameter of the first seal rubber ring groove 5 is larger than that of the second seal rubber ring groove 6, so that the influence of the outward expansion of the rubber ring 10 on the first seal rubber ring groove 5 on the sealing performance of the rubber ring 10 on the second seal rubber ring groove 6 can be reduced.
In some embodiments, the socket 3 is provided with a plurality of annular reinforcing ribs 9, and the annular reinforcing ribs 9 are uniformly distributed on the outer surface of the socket 3. The annular reinforcing ribs 9 can add rigidity to the socket 3 and use less material than the common socket 3.
In some embodiments, the mouth and the interior of the socket 3 are provided with internal chamfers 7. An outer chamfer 8 is arranged at the opening of the socket 4, and the outer chamfer 8 corresponds to an inner chamfer 7 inside the socket 3. The inner chamfer 7 at the opening of the socket 3 is convenient for the socket 4 to be more convenient to insert, and the inner chamfer 7 inside the socket 3 is matched with the outer chamfer 8 at the opening of the socket 4 to improve the sealing performance of butt joint.
In some embodiments, the first gasket groove 5 is spaced 10-30mm from the second gasket groove 6. This spacing can be used to check the tightness of the two rubber rings 10.
In some embodiments, the cross section of the winding-wall pipe 2 is circular or polygonal, and may be other shapes, so as to increase the rigidity of the pipe body 1, and make the pipe body 1 have more excellent stress performance.
Referring to fig. 1 to 3, there is also provided a method for detecting the sealing performance of the butt joint of the pipe wound on the wall of the socket structure, including the following steps:
A. firstly, respectively placing a rubber ring 10 into a first rubber ring sealing groove 5 and a second rubber ring sealing groove 6;
B. drilling an exhaust hole 11 and a pressing hole 12 on a socket 3 or a spigot 4 corresponding to the interval between the first sealing rubber ring groove 5 and the second sealing rubber ring groove 6, and tapping the exhaust hole 11 and the pressing hole 12;
c, a three-way pipe 13 is connected to the pressurizing hole 12, and a pressure gauge 14 and a pressurizing device 15 are respectively connected to the three-way pipe 13;
D. inserting the socket 4 into the socket 3 for butt joint, then filling water into the space between the rubber rings 10 on the first sealing rubber ring groove 5 and the second sealing rubber ring groove 6 through the exhaust hole 11 or the three-way pipe 13, and blocking the exhaust hole 11 by using the plug 16 when the water overflows from the exhaust hole 11 and no bubbles are generated;
E. the pressing device 15 is used for pressing for multiple times to enable the pressure to reach a required value; when the pressure value displayed by the pressure gauge is reduced, the pressure can be continuously pressed for a long time, and if the pressure value displayed by the pressure gauge can be kept to reach the required value, a valve connected with the three-way pipe 13 on the pressing device 15 can be closed;
F. and (4) statically observing whether water leaks and whether the pressure value drops, checking the pressure value of the pressure gauge after 24 hours, comparing the pressure value before and after to obtain whether the pressure drop meets the standard requirement, and finishing the butt joint internal and external sealing detection.
According to the invention, the first sealing rubber ring groove 5 and the second sealing rubber ring groove 6 are arranged on the socket 4, so that the rubber ring 10 can be placed during butt joint to improve the butt joint tightness; the first sealing rubber ring groove 5 is deeper than the second dense layer rubber ring groove 6, so that the influence of the outward expansion of the rubber ring 10 on the first sealing rubber ring groove 5 on the tightness of the rubber ring 10 on the second sealing rubber ring groove 6 during installation can be reduced; the bellmouth 3 is provided with a circular ring reinforcing rib 9, so that the rigidity of the bellmouth 3 is improved; by carrying out water closing detection on the closed interval between the rubber ring 10 on the first sealing rubber ring groove 5 and the rubber ring 10 on the second sealing rubber ring groove 6, the resistance of the rubber ring 10 to the permeation of water outside and inside the pipe can be verified, so that the detection on the internal and external closed capacities of the pipe is realized; because the airtight interval between the rubber ring on the first sealing rubber ring groove 5 and the rubber ring 10 on the second sealing rubber ring groove 6 is smaller, the flushing speed is high, and the water closing efficiency is very high.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a socket joint formula structure wall winding pipe, includes the body, twines the winding wall pipe on the body and sets up bellmouth and socket at the body both ends respectively, its characterized in that, first seal rubber ring groove and second seal rubber ring groove have set gradually from beginning to end on the socket, the external diameter in first seal rubber ring groove is greater than the external diameter in second seal rubber ring groove.
2. The socket and spigot structure wall wound pipe of claim 1, wherein said socket is provided with a plurality of ring ribs uniformly distributed on the outer surface of the socket.
3. The socket and spigot structure wall wound pipe of claim 2, wherein the mouth and interior of said socket are provided with internal chamfers.
4. The socket-and-spigot structure wall-wound pipe of claim 3, wherein an outer chamfer is provided at the opening of said spigot, said outer chamfer corresponding to an inner chamfer on the inside of the socket.
5. The socket and spigot structure wall wound pipe of claim 1, wherein said first gasket groove is spaced from said second gasket groove by 10-30 mm.
6. The spigot and socket structural wall wound pipe of claim 1, wherein said coiled wall pipe is circular or polygonal in cross-section.
7. A method for testing the butt-joint tightness of the socket-and-spigot structure wall-wound pipe according to any one of claims 1 to 6, comprising the steps of:
A. respectively placing rubber rings into a first rubber ring sealing groove and a second rubber ring sealing groove;
B. drilling an exhaust hole and a pressing hole on a bell mouth or a spigot corresponding to the interval between the first sealing rubber ring groove and the second sealing rubber ring groove, and tapping the exhaust hole and the pressing hole;
C. the three-way pipe is connected with the pressing hole, and the three-way pipe is respectively connected with a pressure gauge and a pressing device;
D. inserting the socket into the socket for butt joint, then filling water into the space between the first sealing rubber ring groove and the second sealing rubber ring groove through the vent hole or the three-way pipe, and plugging the vent hole by using a plug when the water overflows from the vent hole and no bubbles are generated;
E. the pressing device is used for pressing for multiple times to enable the pressure to reach a required value; when the pressure value displayed by the pressure gauge is reduced, the pressure can be continuously pressed for a long time, and if the pressure value displayed by the pressure gauge can be kept to reach a required value, a valve connected with the three-way pipe on the pressing device can be closed;
F. and (4) statically observing whether water leaks and whether the pressure value is reduced, checking the pressure value of the pressure gauge after 24 hours, comparing the pressure value before and after the pressure value is checked to determine whether the pressure drop meets the standard requirement, and finishing the detection of the internal seal and the external seal of the butt joint seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562478.3A CN113187960A (en) | 2021-05-21 | 2021-05-21 | Socket type structure wall winding pipe and butt joint sealing performance detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562478.3A CN113187960A (en) | 2021-05-21 | 2021-05-21 | Socket type structure wall winding pipe and butt joint sealing performance detection method thereof |
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| Publication Number | Publication Date |
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| CN113187960A true CN113187960A (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110562478.3A Pending CN113187960A (en) | 2021-05-21 | 2021-05-21 | Socket type structure wall winding pipe and butt joint sealing performance detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145796A (en) * | 2020-09-23 | 2020-12-29 | 鸿川建设工程有限公司 | Hydraulic traction installation construction method for double-rubber-ring socket type large-diameter pipeline |
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| CN201250967Y (en) * | 2008-08-25 | 2009-06-03 | 王德生 | Dual-purpose high pressure pipe joint |
| CN104697730A (en) * | 2015-03-18 | 2015-06-10 | 中煤特殊凿井有限责任公司 | Detection device for detecting tightness of freezing pipe |
| CN106321990A (en) * | 2016-11-07 | 2017-01-11 | 广东永高塑业发展有限公司 | Socket and spigot type structural wall winding pipe and connecting method thereof |
| CN107741310A (en) * | 2017-11-30 | 2018-02-27 | 贝兹维仪器(苏州)有限公司 | A kind of integrated sealing system safety testing device of LWD |
| CN211449965U (en) * | 2019-11-12 | 2020-09-08 | 浙江新金宸机械有限公司 | Sealing joint structure |
-
2021
- 2021-05-21 CN CN202110562478.3A patent/CN113187960A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250967Y (en) * | 2008-08-25 | 2009-06-03 | 王德生 | Dual-purpose high pressure pipe joint |
| CN104697730A (en) * | 2015-03-18 | 2015-06-10 | 中煤特殊凿井有限责任公司 | Detection device for detecting tightness of freezing pipe |
| CN106321990A (en) * | 2016-11-07 | 2017-01-11 | 广东永高塑业发展有限公司 | Socket and spigot type structural wall winding pipe and connecting method thereof |
| CN107741310A (en) * | 2017-11-30 | 2018-02-27 | 贝兹维仪器(苏州)有限公司 | A kind of integrated sealing system safety testing device of LWD |
| CN211449965U (en) * | 2019-11-12 | 2020-09-08 | 浙江新金宸机械有限公司 | Sealing joint structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145796A (en) * | 2020-09-23 | 2020-12-29 | 鸿川建设工程有限公司 | Hydraulic traction installation construction method for double-rubber-ring socket type large-diameter pipeline |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 510800 No.8, Xixiu Road, Maxi village, Xiuquan street, Huadu District, Guangzhou City, Guangdong Province Applicant after: Ad pipeline (Guangdong) Co.,Ltd. Address before: 510800 No.8, Xixiu Road, Maxi village, Xiuquan street, Huadu District, Guangzhou City, Guangdong Province Applicant before: GUANGDONG YONGGAO PLASTIC INDUSTRY DEVELOPMENT Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210730 |
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| RJ01 | Rejection of invention patent application after publication |