CN220851225U - A-shaped flexible joint for connecting HDPE drainage pipeline manholes - Google Patents
A-shaped flexible joint for connecting HDPE drainage pipeline manholes Download PDFInfo
- Publication number
- CN220851225U CN220851225U CN202322541708.5U CN202322541708U CN220851225U CN 220851225 U CN220851225 U CN 220851225U CN 202322541708 U CN202322541708 U CN 202322541708U CN 220851225 U CN220851225 U CN 220851225U
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- sleeve
- hdpe
- electric melting
- socket
- flexible joint
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- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 46
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 46
- 238000002844 melting Methods 0.000 claims abstract description 34
- 230000008018 melting Effects 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 40
- 230000014759 maintenance of location Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000002689 soil Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000010865 sewage Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to the field of drainage pipeline engineering, in particular to an A-type flexible joint for connecting an HDPE drainage pipeline manhole, which comprises a socket sleeve and an interface sleeve, wherein the socket sleeve is sleeved on the periphery of the end part of the interface sleeve, the interface sleeve is sleeved and fixed on the end part of an HDPE drainage pipe, the socket sleeve comprises a socket sleeve body and a convex ring part, the interface sleeve comprises an inserting ring groove and a cylindrical interface sleeve body, the interface sleeve body comprises an integrally arranged nesting part and an electric melting part with unequal outer diameters, and the HDPE drainage pipe is inserted into an inner hole of the interface sleeve body.
Description
Technical Field
The utility model belongs to the field of drainage pipeline engineering, and particularly relates to a flexible joint, in particular to an A-type flexible joint for connecting a manhole of an HDPE drainage pipeline.
Background
The drainage pipeline engineering is also called as 'sewer pipeline engineering', and is divided into outdoor pipeline engineering and indoor pipeline engineering, wherein the outdoor pipeline engineering refers to outdoor drainage (sewer) pipeline installation engineering from a drainage inspection well outside a building to a section of a drainage main pipeline inspection well, and a manhole is a device for covering a pipeline opening, so that the pipeline is convenient to maintain and clean.
The PE pipe is fixed on the wall of the concrete chamber, the connector is necessary because the PE pipe can continuously move due to temperature change and ground subsidence, which can lead to tiny and constant change of the length of the pipeline, the pipeline change and rigid connection are subjected to traffic load, soil movement and other factors, the structural relaxation can greatly influence the tightness of the pipeline, sewage and wastewater can continuously leak from the chamber, groundwater pollution is caused, and erosion and ground subsidence are caused.
At present, when the manhole is connected with the PE drain pipe, most of the manhole is fixed by using a rigid connection mode, namely, a mode of directly pouring a connector similar to a rigid water stop ring into concrete is adopted to form structural anchoring connection, the PE pipe is fixed on a wall of the concrete chamber, and in the use process, the structure of the PE pipe is gradually loosened due to the influence of factors such as ground movement settlement and displacement caused by traffic load and soil movement, and the condition of sewage leakage still occurs. Therefore, how to overcome the above-mentioned technical problems and drawbacks becomes an important problem to be solved.
Disclosure of utility model
In order to overcome the defects of the prior art, an A-type flexible joint for connecting HDPE drainage pipeline manholes is provided, the flexible joint can allow the HDPE drainage pipeline and the joint to freely move a small amount in a socket lantern ring body when the joint moves due to fluid temperature change, traffic load or soil movement, but still keep waterproof sealing, dynamic sealing in a certain range is realized, and the sealing reliability is obviously enhanced.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the A-type flexible connector for the manhole connection of the HDPE drainage pipeline comprises a socket sleeve and an interface sleeve, wherein the socket sleeve is sleeved on the periphery of the end part of the interface sleeve, and the interface sleeve is sleeved and fixed on the end part of the HDPE drainage pipeline; the bellmouth sleeve comprises a bellmouth sleeve body and a convex ring part, wherein the convex ring part is at least provided with one passage, and the convex ring part is integrally or separately sleeved and fixed on the periphery of the bellmouth sleeve body; the interface sleeve comprises a cylindrical interface sleeve body, the interface sleeve body comprises a nesting part and an electric melting part which are integrally arranged and have unequal outer diameters, at least two sealing grooves are formed in the periphery of the nesting part along the length direction of the nesting part, a sealing ring and/or a water-swelling water stop strip are arranged in the sealing grooves, and the nesting part is inserted and arranged in an inner hole of the socket sleeve body; the inner side of the inner wall of the electric melting part is provided with an electric melting heating wire, the side wall of the electric melting part is provided with an electric melting column jack, an electric melting column is arranged in the electric melting column jack, the HDPE drain pipe is inserted into the inner hole of the main body of the interface lantern ring, and the insertion depth at least penetrates through the electric melting part.
In the A-type flexible joint for connecting the HDPE drainage pipeline manhole, the convex ring part comprises an L-shaped outer retaining ring, a T-shaped outer retaining ring and a limiting groove, the L-shaped outer retaining ring is symmetrically arranged at two ends of the outer surface of the main body of the bellmouth lantern ring, and the T-shaped outer retaining ring is positioned in the middle of the outer surface of the main body of the bellmouth lantern ring between the symmetrically arranged L-shaped outer retaining rings.
In the A-shaped flexible joint for connecting the HDPE drainage pipeline manhole, the inner wall of the main body of the bellmouth lantern ring body is a smooth inner wall without burrs.
In the A-type flexible joint for connecting the HDPE drainage pipeline manhole, the specification of the nesting part is matched with the inner diameter of the main body of the socket lantern ring body, the number of the sealing grooves is three, the sealing grooves are all positioned on the nesting part, O-shaped sealing rings are arranged in the sealing grooves on two sides, and water-swelling water stop bars are arranged in the sealing grooves in the middle.
In the A-shaped flexible joint for connecting the HDPE drainage pipeline manhole, the T-shaped outer retaining rings are symmetrically arranged, and the number of the L-shaped outer retaining rings and the number of the T-shaped outer retaining rings are at least two.
In the A-shaped flexible joint for connecting the HDPE drainage pipeline manhole, the edge of the outer wall of the left end part of the nesting part is a chamfer edge, and the O-shaped sealing ring is made of rubber.
The A-type flexible connector for the HDPE drainage pipeline manhole connection has the beneficial effects that:
1. According to the A-type flexible joint for the manhole connection of the HDPE drainage pipeline, the socket sleeve and the interface sleeve are in structural fit, the interface sleeve main body is sleeved with the interface sleeve main body to be in flexible sleeve connection, so that the situation that the structure is loose caused by traffic load, soil movement and other factors can be effectively avoided, the double-layer O-shaped sealing ring and the water-swelling water stop bar are arranged at the joint of the interface sleeve main body and the socket sleeve main body, and the condition that sewage and wastewater leak and groundwater is polluted at the joint of the interface sleeve main body and the socket sleeve main body can be effectively prevented.
2. The A-type flexible connector for the manhole connection of the HDPE drainage pipeline adopts a slidable flexible design, and after the HDPE drainage pipeline is electrically connected with the connector lantern ring main body, when the movement caused by the fluid temperature change, traffic load or soil movement is applied, the HDPE drainage pipeline can freely slide a small amount in the socket lantern ring main body when the connector lantern ring main body is pulled to move, but can still keep waterproof sealing, and the sealing performance is stronger.
3. According to the A-type flexible connector for the HDPE drainage pipeline manhole connection, the bulge loop part is arranged on the socket sleeve, so that the structure of the socket sleeve can be effectively strengthened, meanwhile, the socket sleeve and the interface sleeve of the device are in sleeved flexible connection, and therefore the socket sleeve is not influenced by the movement of the HDPE drainage pipeline, when the device is installed, only the existing concrete chamber side wall is required to be perforated, the socket sleeve is embedded into the concrete chamber side wall, and the device is convenient to construct, time-saving and labor-saving when the device is installed.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the flexible joint A for HDPE drain pipe manhole connection of the present utility model;
FIG. 2 is a schematic diagram of the assembly structure of the A-type flexible joint for the manhole connection of the HDPE drainage pipeline.
In the figure:
1-socket kit: 101-socket collar body, 102-convex ring part, 103-L-shaped outer retention ring, 104-T-shaped outer retention ring and 105-limit groove;
2-interface suite: 201-interface collar main body, 202-nesting part, 203-electric melting part, 204-sealing groove, 205-sealing ring, 206-water-swelling water stop bar, 207-electric melting heating wire, 208-electric melting column;
3-HDPE drain pipe.
Detailed Description
The A-type flexible joint for connecting the HDPE drain pipeline manhole of the utility model is described in more detail below by means of specific embodiments with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The embodiment discloses a HDPE drain pipe manhole is connected and is used A type flexible joint, this flexible joint can allow HDPE drain pipe and joint department to be by the fluid temperature variation, the free removal a small amount in the bellmouth lantern ring body when transportation load or soil motion arouse, but still keep waterproof seal, realize the dynamic seal in a certain scope, seal reliability obtains showing the enhancement. Referring to fig. 1 and 2, the pipe joint mainly comprises a socket sleeve 1 and a joint sleeve 2, wherein the socket sleeve 1 is sleeved on the periphery of the end part of the joint sleeve 2, and the joint sleeve 2 is sleeved and fixed on the end part of the HDPE drain pipe 3.
In order to achieve the fixation and reinforcement of the socket set, referring to fig. 1 and 2, the socket set 1 includes a socket collar body 101 and a collar portion 102, at least one collar portion 102 is provided, the number of the collar portions 102 can be adjusted according to the thickness of the side wall of the concrete chamber required to be installed by a user, in this embodiment, the collar portion 102 is four, and the collar portion 102 includes an L-shaped outer retaining ring 103, a T-shaped outer retaining ring 104 and a limiting groove 105, wherein the L-shaped outer retaining ring 103 is symmetrically arranged at two ends of the outer surface of the socket collar body 101, the T-shaped outer retaining ring 104 is located in the middle of the outer surface of the socket collar body 101 between the symmetrically arranged L-shaped outer retaining rings 103, in this embodiment, the T-shaped outer retaining ring 104 is symmetrically arranged, and by matching the L-shaped outer retaining ring and the T-shaped outer retaining ring, the socket set can be integrally embedded into the side wall of the concrete chamber required to be installed, and the socket set can be integrally cast in the concrete chamber by casting the conventional concrete body or the socket set to be fixed to the socket body 101 in a plurality of manners; in this embodiment, the collar portion 102 and the socket collar body 101 are integrally formed.
The socket sleeve member and the HDPE drain pipe need to be flexibly connected through the socket sleeve member, referring to fig. 1 and 2, the socket sleeve member 2 includes a cylindrical socket sleeve member main body 201, the socket sleeve member main body 201 includes a nesting portion 202 and an electric melting portion 203 which are integrally arranged and have unequal outer diameters, at least two sealing grooves 204 are formed in the periphery of the nesting portion 202 along the length direction of the nesting portion, in this embodiment, three sealing grooves are formed in the periphery of the nesting portion 202 along the length direction of the nesting portion 202, a sealing ring 205 and/or a water-swelling sealing strip 206 are arranged in the sealing grooves 204, among the three sealing grooves formed in the nesting portion, an O-shaped sealing ring 205 is arranged in the sealing grooves 204 on both sides, the O-shaped sealing ring 205 is made of rubber material, the water-swelling sealing strip 206 is arranged in the sealing groove 204 in the middle, and the nesting portion 202 is inserted and arranged in the inner hole of the socket sleeve member 101; referring to fig. 2, an electric melting heating wire 207 is disposed on the inner side of the inner wall of the electric melting portion 203, an electric melting column insertion hole is disposed on the side wall of the electric melting portion 203, an electric melting column 208 is disposed in the electric melting column insertion hole, the electric melting heating wire 207 performs electric melting work through the electric melting column 208, the HDPE drain pipe 3 is inserted into the inner hole of the interface collar main body 201, the insertion depth at least passes through the electric melting portion 203, fusion butt joint between the electric melting portion and the HDPE drain pipe 3 can be achieved in an electric melting heating manner, the outer wall edge of the end portion of the left end of the nesting portion 202 is a chamfer edge, the outer wall edge of the end portion of the left end of the nesting portion 202 is chamfered through the process, the inner wall of the socket collar main body 101 is prevented from being scratched during installation of the nesting portion, and sewage leakage caused by scratching is prevented.
In order to ensure dynamic sealing of the HDPE drain pipe within a certain range, referring to fig. 1, the inner wall of the main body of the bellmouth lantern ring body 101 is a smooth inner wall without burrs, the inner wall of the main body of the bellmouth lantern ring body 101 is subjected to smooth deburring treatment through a process, and the inner wall of the bellmouth lantern ring body 101 is prevented from being too rough, so that friction force between the inner wall of the bellmouth lantern ring body 101 and the sealing ring 205 and friction force between the inner wall of the bellmouth lantern ring body and the water-swelling water-stopping strip 206 are reduced, excessive abrasion of the sealing ring 205 and the water-swelling water-stopping strip 206 is prevented, the service life of the bellmouth lantern ring is prolonged, and the tightness is ensured.
The utility model relates to an operating principle of an A-type flexible joint for connecting HDPE drainage pipeline manholes, which comprises the following steps:
When the device is installed, holes are punched in the side wall of a concrete room, the hole specifications are consistent with those of the socket sleeve, after punching, the socket sleeve is integrally installed and embedded into the holes, the L-shaped outer retaining ring and the T-shaped retaining ring are fixedly installed with the holes, after the socket sleeve is installed, the socket sleeve is slidably and flexibly sleeved in the socket sleeve, and finally, the HDPE drain pipe connector is sleeved in the socket sleeve, the HDPE drain pipe is connected with the socket sleeve through electric melting, meanwhile, the socket sleeve of the device can be fixedly installed in a traditional concrete pouring mode, and after the socket sleeve is fixed through concrete pouring, the installation of the subsequent socket sleeve and the HDPE drain pipe can be carried out.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The use of the terms "a" and "an" and similar referents in the description and claims of the utility model are not necessarily to scale. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
While the exemplary embodiments of the present utility model have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that many changes and modifications can be made to the specific embodiments described above without departing from the spirit of the utility model, and that many combinations of technical features and structures can be made without departing from the scope of the utility model.
Claims (6)
1. A HDPE drain pipe manhole connects with A type flexible joint, its characterized in that: the pipe joint comprises a socket sleeve and an interface sleeve, wherein the socket sleeve is sleeved on the periphery of the end part of the interface sleeve, and the interface sleeve is sleeved and fixed on the end part of the HDPE drain pipe;
The bellmouth sleeve comprises a bellmouth sleeve body and a convex ring part, wherein the convex ring part is at least provided with one passage, and the convex ring part is integrally or separately sleeved and fixed on the periphery of the bellmouth sleeve body;
The interface sleeve comprises a cylindrical interface sleeve body, the interface sleeve body comprises a nesting part and an electric melting part which are integrally arranged and have unequal outer diameters, at least two sealing grooves are formed in the periphery of the nesting part along the length direction of the nesting part, a sealing ring and/or a water-swelling water stop strip are arranged in the sealing grooves, and the nesting part is inserted and arranged in an inner hole of the socket sleeve body; the inner side of the inner wall of the electric melting part is provided with an electric melting heating wire, the side wall of the electric melting part is provided with an electric melting column jack, an electric melting column is arranged in the electric melting column jack, the HDPE drain pipe is inserted into the inner hole of the main body of the interface lantern ring, and the insertion depth at least penetrates through the electric melting part.
2. The flexible joint of type a for HDPE drainage pipe manhole connection of claim 1, wherein: the convex ring part comprises L-shaped outer retention rings, T-shaped outer retention rings and limiting grooves, wherein the L-shaped outer retention rings are symmetrically arranged at two ends of the outer surface of the main body of the bellmouth lantern ring, and the T-shaped outer retention rings are positioned in the middle of the outer surface of the main body of the bellmouth lantern ring between the symmetrically arranged L-shaped outer retention rings.
3. The flexible joint of type a for HDPE drainage pipe manhole connection of claim 2, wherein: the T-shaped outer retention rings are symmetrically arranged, and the number of the L-shaped outer retention rings and the number of the T-shaped outer retention rings are at least two.
4. The flexible joint of type a for HDPE drainage pipe manhole connection of claim 1, wherein: the inner wall of the main body of the bellmouth lantern ring body is a smooth inner wall without burrs.
5. The flexible joint of type a for HDPE drainage pipe manhole connection of claim 1, wherein: the specification of the nesting part is matched with the inner diameter of the main body of the socket lantern ring body, the number of the sealing grooves is three, the sealing grooves are all positioned on the nesting part, O-shaped sealing rings are arranged in the sealing grooves on two sides, and water-swelling water stop bars are arranged in the sealing grooves in the middle.
6. The flexible joint of type a for HDPE drainage pipe manway connection as claimed in claim 5, wherein: the outer wall edge of the left end part of the nesting part is a chamfer edge, and the O-shaped sealing ring is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322541708.5U CN220851225U (en) | 2023-09-19 | 2023-09-19 | A-shaped flexible joint for connecting HDPE drainage pipeline manholes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322541708.5U CN220851225U (en) | 2023-09-19 | 2023-09-19 | A-shaped flexible joint for connecting HDPE drainage pipeline manholes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220851225U true CN220851225U (en) | 2024-04-26 |
Family
ID=90746902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322541708.5U Active CN220851225U (en) | 2023-09-19 | 2023-09-19 | A-shaped flexible joint for connecting HDPE drainage pipeline manholes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220851225U (en) |
-
2023
- 2023-09-19 CN CN202322541708.5U patent/CN220851225U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |