CN107504290A - Pipe connecting structure - Google Patents
Pipe connecting structure Download PDFInfo
- Publication number
- CN107504290A CN107504290A CN201710789679.0A CN201710789679A CN107504290A CN 107504290 A CN107504290 A CN 107504290A CN 201710789679 A CN201710789679 A CN 201710789679A CN 107504290 A CN107504290 A CN 107504290A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- layer connector
- linkage section
- section
- internal layer
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
Abstract
The present invention relates to water supply and sewerage pipeline field, a kind of pipe connecting structure, including connection member and pipeline body are related to, pipeline body includes diversion section and linkage section, the caliber of linkage section is more than the caliber of diversion section, is connected between linkage section and diversion section by conical pipe；Connection member includes outer layer connector and internal layer connector, is connected between outer layer connector and internal layer connector by an annular solid, the inwall of outer layer connector, the outer wall of internal layer connector and annular solid surround two annular first being disposed opposite to each other grooves；First groove bottom wall is provided with the first sealing ring and the second sealing ring；The 3rd sealing ring is equipped with two end faces of internal layer connector；Linkage section is inserted in first groove, and connection member and pipeline body are screwed by screw thread so that the end of linkage section extrudes the first sealing ring and the second sealing ring, and the inwall of conical pipe extrudes the 3rd sealing ring；The present invention realizes that sealing ring is replaceable, pipeline is completely embedded by said structure.
Description
Technical field
The present invention relates to water supply and sewerage pipeline field, more particularly to a kind of pipe connecting structure.
Background technology
Existing pipe connecting structure operates cumbersome, and the portion such as sealing ring in pipe connecting structure when mounted mostly
It can not be changed after part aging, whole pipe connecting structure can only be changed after the components aging of pipe connecting structure, cost is high；And permitted
For more existing pipe connecting structure when being connected to pipeline, the internal diameter of the internal diameter of pipeline junction than pipeline in itself is small, influences
The feed flow of liquid or gas.
The content of the invention
It is an object of the invention to provide a kind of pipe connecting structure, is I-shaped connection member, connection provided with axial cross section
The section caliber pipeline body bigger than diversion section caliber so that the internal diameter of connection member is more than or equal to the internal diameter of pipeline body, no
The flow of pipeline material can be influenceed；Three-layer sealed ring is provided between connection member and pipeline body, wherein two layers of sealing ring
It is detachable.
In order to solve the above problems, the invention provides a kind of pipe connecting structure, including connection member and pipeline body；
The pipeline body includes diversion section and linkage section, and the caliber of the linkage section is more than the caliber of the diversion section,
And connected between the linkage section and diversion section by conical pipe；
The connection member includes outer layer connector and internal layer connector substantially tubular and be coaxially disposed, described outer
Connected between layer connector and internal layer connector by an annular solid, the inwall of the outer layer connector, the internal layer connector
Outer wall and the annular solid surround two annular first being disposed opposite to each other grooves, the internal diameter of the internal layer connector is more than or waited
In the internal diameter of the diversion section；It is equipped with the first sealing ring and the second sealing ring on two first groove bottom walls, described
One sealing ring and the second sealing ring are oppositely arranged, and the inwall of the side of first sealing ring and the outer layer connector is affixed
Close, the outer wall of the side of second sealing ring and the internal layer connector fits；Two end faces of the internal layer connector
On be equipped with axial cross section be strip the 3rd sealing ring；
The linkage section is inserted in first groove, and the connection member and pipeline body are screwed by screw thread so that
The end of the linkage section extrudes first sealing ring and the second sealing ring, and the inwall extruding the described 3rd of the conical pipe is close
Seal ring.
As preferable, the inwall of the outer layer connector, the outer wall of internal layer connector, the inner and outer wall of linkage section are equal
Provided with the screw thread.
As preferable, the end of the linkage section includes first conical surface and second conical surface that are disposed opposite to each other, and described first
The conical surface is located at the outer wall of the linkage section and the intersection location of end face, and the bus of first conical surface and the linkage section is outer
Wall is in an angle a；Second conical surface is located at the inwall of the linkage section and the intersection location of end face, and second conical surface
The inwall of bus and the linkage section is in an angle b.
As preferable, the axial cross section of first sealing ring and the second sealing ring is triangle, and described first is close
Two sides of seal ring and the second sealing ring vis-a-vis are respectively having three pyramidal faces and the 4th conical surface, the bus of the having three pyramidal faces and
The inwall of the outer layer connector is in an angle a, the bus of the 4th conical surface and the outer wall of the internal layer connector in a folder
Angle b.
As preferable, the end axial cross section of the linkage section is semicircle.
As preferable, the movable end axial cross section of the 3rd sealing ring is triangle.
As preferable, the second groove is equipped with two end faces of the internal layer connector, the 3rd sealing ring
Fixing end inserts second groove.
As preferable, reinforcer is provided with the internal layer connector, the reinforcer is tubulose, and with internal layer company
Fitting is coaxially disposed.
As preferable, the material of the connection member is polyethylene.
As preferable, the material of first sealing ring, the second sealing ring and the 3rd sealing ring is rubber.
The pipe connecting structure of the present invention makes pipeline body be connected with connection member by way of screw thread screws, convenient fast
Victory, and axial cross section for I-shaped connection member and the first sealing ring, the second sealing ring, the 3rd sealing ring provide three layers it is close
Water measure, sealing are excellent；First sealing ring and the second sealing ring are detachable, are conveniently replaceable, and extend the entirety of connection member
Life-span；In addition, due to pipeline body linkage section caliber be more than diversion section caliber, the internal diameter of internal layer connector be more than or
Equal to the internal diameter of diversion section, therefore the connection member will not turn into the structure that internal diameter is minimum in whole pipeline, and it is defeated not influence pipeline
Send the flow of material.
Brief description of the drawings
Fig. 1 is the perspective cross section schematic diagram of the pipe connecting structure of the embodiment of the present invention；
Fig. 2 is the axial sectional diagrammatical view illustration of the pipe connecting structure of the embodiment of the present invention；
Fig. 3 is one of connection member axial sectional diagrammatical view illustration of the pipe connecting structure of the embodiment of the present invention；
Fig. 4 is the two of the connection member axial sectional diagrammatical view illustration of the pipe connecting structure of the embodiment of the present invention；
Fig. 5 is the pipeline body axial sectional diagrammatical view illustration of the pipe connecting structure of the embodiment of the present invention；
Fig. 6 is the pipeline body partial cutaway schematic view of the pipe connecting structure of the embodiment of the present invention；
Fig. 7 is the connection member partial cutaway schematic view of the pipe connecting structure of the embodiment of the present invention.
Wherein, 10, connection member；11st, outer layer connector；12nd, internal layer connector；121st, the 3rd sealing ring；122nd, second
Groove；123rd, reinforcer；13rd, annular solid；14th, the first groove；141st, the first sealing ring；141A, having three pyramidal faces；142nd, second is close
Seal ring；142A, the 4th conical surface；20th, pipeline body；21st, conical pipe；22nd, linkage section；221st, first conical surface；222nd, second conical surface；
23rd, diversion section；30th, screw thread.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
With reference to shown in Fig. 1 and Fig. 2, the pipe connecting structure of the present invention, including connection member 10 and pipe are schematically shown
Road body 20, pipeline body 20 include diversion section 23 and linkage section 22, and the caliber of linkage section 22 is more than the caliber of diversion section 23, and
Connected between linkage section 22 and diversion section 23 by conical pipe 21；Connection member 10 includes substantially tubular and is coaxially disposed
Outer layer connector 11 and internal layer connector 12, connected between outer layer connector 11 and internal layer connector 12 by an annular solid 13,
The inwall of outer layer connector 11, the outer wall of internal layer connector 12 and annular solid 13 surround the groove of annular first that two pictures are set
14, the internal diameter of internal layer connector 12 is more than or equal to the internal diameter of diversion section 23；Is equipped with the bottom wall of two the first grooves 14
One sealing ring 141 and the second sealing ring 142, the first sealing ring 141 and the second sealing ring 142 are oppositely arranged, the first sealing ring 141
Side and the inwall of outer layer connector 11 fit, the side of the second sealing ring 142 and the outer wall of internal layer connector 12 are affixed
Close；The 3rd sealing ring 121 that axial cross section is strip is equipped with two end faces of internal layer connector 12；When the connection member
10 and pipeline body 20 when being in connection status, the linkage section 22 is inserted in first groove 14, the connection member 10
Screwed with pipeline body 20 by screw thread 30 so that the end of the linkage section 22 extrudes first sealing ring 141 and second
Sealing ring 142, the inwall of the conical pipe 21 extrude the 3rd sealing ring 121；What the pipe connecting structure was screwed by screw thread
Mode makes pipeline body 20 be connected with connection member 10, convenient and swift, and the first sealing ring 141, the second sealing ring 142 and
Three sealing rings 121 provide three layers of close water measure, and sealing is excellent；First sealing ring 141 and the second sealing ring 142 are detachable,
It is conveniently replaceable, extends the bulk life time of connection member 10；In addition, because the caliber of linkage section 22 of pipeline body 20 is more than
The caliber of diversion section 23, the internal diameter of internal layer connector 12 is more than or equal to the internal diameter of diversion section 23, therefore the connection member 10 is not
The structure that internal diameter is minimum in whole pipeline can be turned into, do not influence the flow of pipeline material.
Preferably, the inwall of outer layer connector 11, the outer wall of internal layer connector 12, the inner and outer wall of linkage section 22 are all provided with
There is screw thread 30, to ensure the compactness of connection.
With reference to shown in Fig. 5 to Fig. 7, the end of linkage section 22 includes first conical surface 221 and second conical surface that are disposed opposite to each other
222, first conical surface 221 is located at the outer wall of linkage section 22 and the intersection location of end face, and the bus and linkage section of first conical surface 221
22 outer wall is in an angle a；Second conical surface 222 is located at the inwall of linkage section 22 and the intersection location of end face, and second conical surface 222
Bus and the inwall of linkage section 22 be in an angle b, so set and be easy to two conical surfaces to insert in the first grooves 14.First sealing
The axial cross section of the sealing ring 142 of ring 141 and second is triangle, and the first sealing ring 141 and the second sealing ring 142 are vis-a-vis
Two sides are respectively having three pyramidal faces 141A and the 4th conical surface 142A, having three pyramidal faces 141A bus and outer layer connector 11 it is interior
Wall is in an angle a, and the 4th conical surface 142A bus and the outer wall of internal layer connector 12 are in an angle b, so sets and causes first
The conical surface 221 and having three pyramidal faces 141A can be bonded completely, and second conical surface 222 and the 4th conical surface 142A are bonded completely, the area of sealing
Bigger, sealing effectiveness is more preferable.
Certainly, the end axial cross section of linkage section 22 is semicircle, can equally realize that linkage section 22 facilitates insertion into first
In groove 14.
With reference to shown in Fig. 3 and Fig. 4, in order to allow the movable end of the 3rd sealing ring 121 to be preferably fitted in conical pipe 21
On wall, reach better seal effect, the movable end axial cross section of the 3rd sealing ring 121 is triangle, in addition, internal layer connector
The second groove 122 is equipped with 12 two end faces, the fixing end of the 3rd sealing ring 121 inserts the second groove 122, removably
3rd sealing ring 121, because can change so that connection member 10 is reusable, and sealing ring only needs to change close when damaging
Seal ring, it is not necessary to change whole connection member 10.
Reinforcer 123 is provided with internal layer connector 12, reinforcer 123 is tubulose, and is coaxially disposed with internal layer connector 12,
Reinforcer 123 increases the intensity of connection member 10, can bear bigger ambient pressure.
Preferably, the material of connection member 10 is polyethylene, and the first sealing ring 141, the second sealing ring 142 and the 3rd seal
The material of circle 121 is rubber.
In summary, pipe connecting structure of the invention makes pipeline body 20 and connection member 10 by way of screw thread screws
It is connected, it is convenient and swift, and the first sealing ring 141, the second sealing ring 142 and the 3rd sealing ring 121 provide three layers of Mi Shui and arranged
Apply, sealing is excellent；First sealing ring 141 and the second sealing ring 142 are detachable, are conveniently replaceable, extend connection member 10
Bulk life time；In addition, because the caliber of linkage section 22 of pipeline body 20 is more than the caliber of diversion section 23, internal layer connector 12
Internal diameter be more than or equal to the internal diameter of diversion section 23, therefore the connection member 10 will not turn into the knot that internal diameter is minimum in whole pipeline
Structure, the flow of pipeline material is not influenceed.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and replacement can also be made, these improve and replaced
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of pipe connecting structure, it is characterised in that including connection member and pipeline body；
The pipeline body includes diversion section and linkage section, and the caliber of the linkage section is more than the caliber of the diversion section, and institute
State and connected between linkage section and diversion section by conical pipe；
The connection member includes outer layer connector and internal layer connector substantially tubular and be coaxially disposed, and the outer layer connects
Connected between fitting and internal layer connector by an annular solid, the inwall of the outer layer connector, the internal layer connector it is outer
Wall and the annular solid surround two annular first being disposed opposite to each other grooves, and the internal diameter of the internal layer connector is more than or equal to institute
State the internal diameter of diversion section；The first sealing ring and the second sealing ring are equipped with two first groove bottom walls, described first is close
Seal ring and the second sealing ring are oppositely arranged, and the inwall of the side of first sealing ring and the outer layer connector fits, institute
State the side of the second sealing ring and the outer wall of the internal layer connector fits；It is all provided with two end faces of the internal layer connector
There is the 3rd sealing ring that axial cross section is strip；
The linkage section is inserted in first groove, and the connection member and pipeline body are screwed by screw thread so that described
The end of linkage section extrudes first sealing ring and the second sealing ring, inwall extruding the 3rd sealing of the conical pipe
Ring.
2. pipe connecting structure according to claim 1, it is characterised in that the inwall of the outer layer connector, internal layer connection
The outer wall of part, the inner and outer wall of linkage section are equipped with the screw thread.
3. pipe connecting structure according to claim 1, it is characterised in that the end of the linkage section includes what is be disposed opposite to each other
First conical surface and second conical surface, first conical surface are located at the outer wall of the linkage section and the intersection location of end face, and described
The outer wall of the bus of one conical surface and the linkage section is in an angle a；Second conical surface is located at inwall and the end of the linkage section
The intersection location in face, and the inwall of the bus of second conical surface and the linkage section is in an angle b.
4. pipe connecting structure according to claim 1, it is characterised in that the axle of first sealing ring and the second sealing ring
It is triangle to section, two sides of first sealing ring and the second sealing ring vis-a-vis are respectively having three pyramidal faces and
The inwall of four conical surfaces, the bus of the having three pyramidal faces and the outer layer connector is in an angle a, the bus of the 4th conical surface and
The outer wall of the internal layer connector is in an angle b.
5. pipe connecting structure according to claim 1, it is characterised in that the end axial cross section of the linkage section is semicircle
Shape.
6. pipe connecting structure according to claim 1, it is characterised in that the movable end axial cross section of the 3rd sealing ring
For triangle.
7. pipe connecting structure according to claim 1, it is characterised in that be all provided with two end faces of the internal layer connector
There is the second groove, the fixing end of the 3rd sealing ring inserts second groove.
8. pipe connecting structure according to claim 1, it is characterised in that be provided with reinforcer, institute in the internal layer connector
It is tubulose to state reinforcer, and is coaxially disposed with the internal layer connector.
9. pipe connecting structure according to claim 1, it is characterised in that the material of the connection member is polyethylene.
10. pipe connecting structure according to claim 1, it is characterised in that first sealing ring, the second sealing ring and
The material of three sealing rings is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710789679.0A CN107504290B (en) | 2017-09-04 | 2017-09-04 | Pipe connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710789679.0A CN107504290B (en) | 2017-09-04 | 2017-09-04 | Pipe connecting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107504290A true CN107504290A (en) | 2017-12-22 |
| CN107504290B CN107504290B (en) | 2019-05-07 |
Family
ID=60694852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710789679.0A Active CN107504290B (en) | 2017-09-04 | 2017-09-04 | Pipe connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504290B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114321A (en) * | 2018-10-23 | 2019-01-01 | 黄子颢 | A kind of pipeline connecting assemble and pipeline |
| CN109322352A (en) * | 2018-05-10 | 2019-02-12 | 广东星艺装饰集团股份有限公司 | Lower draining sealed connecting component |
| CN109680783A (en) * | 2019-01-18 | 2019-04-26 | 湖南伟亿复合建材有限公司 | A kind of assembly type rain dirt inspection shaft seat and the inspection shaft with the well seat |
| CN110057232A (en) * | 2019-04-28 | 2019-07-26 | 浦江县恒川信息科技有限公司 | A kind of radiator connection structure |
| CN110306640A (en) * | 2019-07-11 | 2019-10-08 | 周纯 | A kind of sewage treatment PVC pipeline |
| CN110566732A (en) * | 2019-09-23 | 2019-12-13 | 黄子颢 | Pipeline connecting piece |
| CN112610763A (en) * | 2020-12-25 | 2021-04-06 | 安徽砼宇特构科技有限公司 | Expansion adhesive tape connecting structure |
| CN114033915A (en) * | 2021-10-22 | 2022-02-11 | 中冶南方城市建设工程技术有限公司 | Water supply and drainage pipeline connecting structure and method |
| CN114607847A (en) * | 2020-12-04 | 2022-06-10 | 中国航发商用航空发动机有限责任公司 | Pipe connector and aeroengine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1130368A (en) * | 1997-07-14 | 1999-02-02 | Chiyoda Kucho Kiki Kk | Piping joint |
| CN202176847U (en) * | 2011-07-26 | 2012-03-28 | 广东联塑科技实业有限公司 | Steel-plastic composite pipe fitting for drainage |
| CN202484470U (en) * | 2012-03-06 | 2012-10-10 | 四川中际不锈钢管业有限公司 | Thin-walled metal pipe fitting connecting component |
| CN204345114U (en) * | 2014-12-25 | 2015-05-20 | 无锡市佳佑纺织品有限公司 | A kind of pipe interface structure |
| CN204664655U (en) * | 2015-06-02 | 2015-09-23 | 林乐宗 | A kind of connection pipe fitting |
-
2017
- 2017-09-04 CN CN201710789679.0A patent/CN107504290B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1130368A (en) * | 1997-07-14 | 1999-02-02 | Chiyoda Kucho Kiki Kk | Piping joint |
| CN202176847U (en) * | 2011-07-26 | 2012-03-28 | 广东联塑科技实业有限公司 | Steel-plastic composite pipe fitting for drainage |
| CN202484470U (en) * | 2012-03-06 | 2012-10-10 | 四川中际不锈钢管业有限公司 | Thin-walled metal pipe fitting connecting component |
| CN204345114U (en) * | 2014-12-25 | 2015-05-20 | 无锡市佳佑纺织品有限公司 | A kind of pipe interface structure |
| CN204664655U (en) * | 2015-06-02 | 2015-09-23 | 林乐宗 | A kind of connection pipe fitting |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322352A (en) * | 2018-05-10 | 2019-02-12 | 广东星艺装饰集团股份有限公司 | Lower draining sealed connecting component |
| CN109114321A (en) * | 2018-10-23 | 2019-01-01 | 黄子颢 | A kind of pipeline connecting assemble and pipeline |
| CN109680783A (en) * | 2019-01-18 | 2019-04-26 | 湖南伟亿复合建材有限公司 | A kind of assembly type rain dirt inspection shaft seat and the inspection shaft with the well seat |
| CN110057232A (en) * | 2019-04-28 | 2019-07-26 | 浦江县恒川信息科技有限公司 | A kind of radiator connection structure |
| CN110057232B (en) * | 2019-04-28 | 2020-08-28 | 浦江县恒川信息科技有限公司 | Radiator connecting structure |
| CN110306640A (en) * | 2019-07-11 | 2019-10-08 | 周纯 | A kind of sewage treatment PVC pipeline |
| CN110566732A (en) * | 2019-09-23 | 2019-12-13 | 黄子颢 | Pipeline connecting piece |
| CN114607847A (en) * | 2020-12-04 | 2022-06-10 | 中国航发商用航空发动机有限责任公司 | Pipe connector and aeroengine |
| CN112610763A (en) * | 2020-12-25 | 2021-04-06 | 安徽砼宇特构科技有限公司 | Expansion adhesive tape connecting structure |
| CN114033915A (en) * | 2021-10-22 | 2022-02-11 | 中冶南方城市建设工程技术有限公司 | Water supply and drainage pipeline connecting structure and method |
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| Publication number | Publication date |
|---|---|
| CN107504290B (en) | 2019-05-07 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pipe connection structure Effective date of registration: 20210706 Granted publication date: 20190507 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Baiyun Branch Pledgor: GUANGZHOU FENGYE PIPE INDUSTRY Co.,Ltd. Registration number: Y2021440000231 |
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