CN211118149U - Water supply and drainage pipeline connecting device - Google Patents
Water supply and drainage pipeline connecting device Download PDFInfo
- Publication number
- CN211118149U CN211118149U CN201921722183.2U CN201921722183U CN211118149U CN 211118149 U CN211118149 U CN 211118149U CN 201921722183 U CN201921722183 U CN 201921722183U CN 211118149 U CN211118149 U CN 211118149U
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- pipeline
- hole
- connecting portion
- gasket
- water supply
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Abstract
The utility model discloses a water supply and drainage pipeline connecting device, including first connecting portion, second connecting portion, first pipeline, second pipeline, first fixed part and second fixed part, first connecting portion with the second connecting portion pass through threaded connection, first pipeline sets up the inboard of first connecting portion and with first connecting portion connect, the second pipeline sets up the inboard of second connecting portion and with the second connecting portion are connected, the tip of first pipeline with be provided with seal structure between the tip of second pipeline, the first connecting portion outside is provided with first fixed part, the second connecting portion outside is provided with the second fixed part, first fixed part with the second fixed part passes through connection structure and connects. The utility model discloses simple structure, convenient to use can effectively guarantee the leakproofness of first pipeline and second pipeline.
Description
Technical Field
The utility model relates to the technical field of pipeline, especially, relate to a water supply and drainage pipeline connecting device.
Background
In the conveying pipeline, a pipeline connecting device is an indispensable connecting mode. The traditional pipe connecting mode is to process external threads on the outer diameter of the pipe connecting end so as to be matched and connected with the internal threads of the pipe joint. The external thread is required to be processed at the connecting end of the pipe in the connecting mode, and the thread has a certain depth, so that the pipe is required to have a certain wall thickness in order to meet the requirements on strength and sealing performance after the pipe is connected, material waste is caused, and the threaded connection cannot bear larger pressure sometimes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water supply and drainage pipeline connecting device to solve the problem that above-mentioned prior art exists, make water supply and drainage pipeline can effective connection.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a water supply and drainage pipeline connecting device, including first connecting portion, second connecting portion, first pipeline, second pipeline, first fixed part and second fixed part, first connecting portion with the second connecting portion pass through threaded connection, first pipeline sets up the inboard of first connecting portion and with first connecting portion connect, the second pipeline sets up the inboard of second connecting portion and with the second connecting portion are connected, the tip of first pipeline with be provided with seal structure between the tip of second pipeline, the first connecting portion outside is provided with first fixed part, the second connecting portion outside is provided with the second fixed part, first fixed part with the second fixed part passes through connection structure and connects.
Preferably, the first connecting portion includes a first through hole and a second through hole which are communicated with each other, the first through hole, the second through hole and the first connecting portion are concentrically arranged, the diameter of the first through hole is smaller than that of the second through hole, a first step is formed between the first through hole and the second through hole, and the outer diameter of the first pipeline is the same as the diameter of the first through hole; the outer side of the first joint end of the first pipeline is provided with a first protruding portion, the size of the first protruding portion is smaller than that of the second through hole, and the first protruding portion is matched with the first step to limit the relative position of the first pipeline and the first connecting portion.
Preferably, the second connecting portion includes a threaded portion and a limiting portion, the threaded portion is located on the inner side of the first connecting portion, the diameter of the threaded portion is smaller than that of the limiting portion, the diameter of the threaded portion is the same as that of the second through hole, the diameter of the limiting portion is the same as that of the first connecting portion, threads are arranged on the outer wall of the threaded portion and connected with the first connecting portion through the threads, and the second connecting portion is provided with a second connecting portion through hole concentrically arranged with the second connecting portion; and a second protruding part is arranged on the outer side of the second joint end of the second pipeline, the size of the second protruding part is smaller than the diameter of the second through hole and larger than the diameter of the through hole of the second connecting part, and the second protruding part is matched with the end part of the threaded part to limit the relative position of the second pipeline and the second connecting part.
Preferably, the diameter of the second connecting part through hole is the same as the diameter of the first through hole; the size of the first protruding portion is the same as that of the second protruding portion, and the size of the first protruding portion and the size of the second protruding portion are both smaller than the diameter of the second through hole.
Preferably, the end face of the first joint end of the first pipeline and the end face of the second joint end of the second pipeline are both provided with grooves, and sealing rings are arranged in the grooves.
Preferably, a test hole is formed in the first connecting portion, and the test hole is perpendicular to the axis of the first connecting portion and communicated with the second through hole.
Preferably, the first fixing portion and the second fixing portion have the same structure, a cross section of the first fixing portion along an axis of the first connecting portion is L-shaped, and the first fixing portion is provided with a threaded hole.
Preferably, still include the packing ring, the both ends of packing ring set up respectively in a sealing washer, the packing ring with be provided with expanding spring between the sealing washer, expanding spring's one end with the packing ring offsets, expanding spring's the other end with the sealing washer offsets, the packing ring expanding spring with the sealing washer all is located first fixed part with the inboard of second fixed part just is located the outside of first connecting portion and second connecting portion.
Preferably, the first fixing portion is connected with the second fixing portion through a bolt, a first gasket is arranged between the first fixing portion and the head of the bolt, a second gasket and a third gasket are further arranged on the bolt in a penetrating mode, the second gasket and the third gasket are both located between the second fixing portion and a nut of the bolt, a fastening spring is further arranged on the bolt in a penetrating mode, one end of the fastening spring abuts against the second gasket, and the other end of the fastening spring abuts against the third gasket.
The utility model discloses for prior art gain following technological effect:
the utility model discloses be provided with seal structure between first pipeline and the second pipeline, and first pipeline and second pipeline are connected through first connecting portion and the second connecting portion that its outside set up, first connecting portion and second connecting portion pass through threaded connection, make the junction of first pipeline and second pipeline effectively sealed, the outside of first connecting portion and second connecting portion is provided with first fixed part and second fixed part again, the relation of connection of first connecting portion and second connecting portion has further been consolidated, and then the connection of first pipeline and second pipeline has been consolidated. The utility model discloses simple structure, convenient to use can effectively guarantee the leakproofness of first pipeline and second pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the water supply and drainage pipeline connecting device of the present invention;
fig. 2 is a schematic structural view of the first connecting portion and the second connecting portion of the present invention;
fig. 3 is a schematic structural view of the first fixing portion and the second fixing portion of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic view of the bolt structure of the present invention;
fig. 6 is a schematic structural view of an end face of the first pipeline or the second pipeline in the present invention;
wherein: 1-a first connection part, 2-a second connection part, 3-a first pipe, 4-a second pipe, 5-a first fixing part, 6-a second fixing part, 7-a first through hole, 8-a second through hole, 9-a first step, 10-a threaded part, 11-a limiting part, 12-a second connection part through hole, 13-a first protrusion, 14-a second protrusion, 15-a groove, 16-a sealing ring, 17-a testing hole, 18-a gasket, 19-a sealing ring, 20-a telescoping spring, 21-a bolt, 22-a first gasket, 23-a second gasket, 24-a third gasket, 25-a fastening spring, 26-a threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing a water supply and drainage pipeline connecting device to solve the problem that above-mentioned prior art exists, make water supply and drainage pipeline can effective connection.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-6: the embodiment provides a water supply and drainage pipeline connecting device, including first connecting portion 1, second connecting portion 2, first pipeline 3, second pipeline 4, first fixed part 5 and second fixed part 6, first connecting portion 1 passes through threaded connection with second connecting portion 2, first pipeline 3 sets up the inboard at first connecting portion 1 and is connected with first connecting portion 1, second pipeline 4 sets up the inboard at second connecting portion 2 and is connected with second connecting portion 2, be provided with seal structure between the tip of first pipeline 3 and the tip of second pipeline 4, first connecting portion 1 outside is provided with first fixed part 5, the second connecting portion 2 outside is provided with second fixed part 6, first fixed part 5 and second fixed part 6 are connected through connection structure. In this embodiment, a sealing structure is disposed between the first pipeline 3 and the second pipeline 4, the first pipeline 3 and the second pipeline 4 are connected through the first connecting portion 1 and the second connecting portion 2 disposed on the outer sides of the first pipeline 3 and the second pipeline 4, the first connecting portion 1 and the second connecting portion 2 are connected through threads, so that the joint of the first pipeline 3 and the second pipeline 4 can be effectively sealed, the first fixing portion 5 and the second fixing portion 6 are disposed on the outer sides of the first connecting portion 1 and the second connecting portion 2, the connection relationship between the first connecting portion 1 and the second connecting portion 2 is further strengthened, and the connection between the first pipeline 3 and the second pipeline 4 is further strengthened. This embodiment simple structure, convenient to use can effectively guarantee the leakproofness of first pipeline 3 and second pipeline 4.
In this embodiment, the first connecting portion 1 includes a first through hole 7 and a second through hole 8 which are communicated with each other, the first through hole 7, the second through hole 8 and the first connecting portion 1 are concentrically arranged, the diameter of the first through hole 7 is smaller than that of the second through hole 8, a first step 9 is formed between the first through hole 7 and the second through hole 8, and the outer diameter of the first pipeline 3 is the same as that of the first through hole 7; a first protruding part 13 is arranged on the outer side of the first joint end of the first pipeline 3, the size of the first protruding part 13 is smaller than that of the second through hole 8, and the first protruding part 13 is matched with the first step 9 to limit the relative position of the first pipeline 3 and the first connecting part 1.
In this embodiment, the second connection portion 2 includes a threaded portion 10 and a limiting portion 11, the threaded portion 10 is located inside the first connection portion 1, the diameter of the threaded portion 10 is smaller than the diameter of the limiting portion 11, the diameter of the threaded portion 10 is the same as the diameter of the second through hole 8, the diameter of the limiting portion 11 is the same as the outer diameter of the first connection portion 1, the outer wall of the threaded portion 10 is provided with threads, the threaded portion 10 is connected with the first connection portion 1 through the threads, and the second connection portion 2 is provided with a second connection portion through hole 12 concentrically arranged with the second connection portion 2; and a second protrusion 14 is arranged on the outer side of the second joint end of the second pipeline 4, the size of the second protrusion 14 is smaller than the diameter of the second through hole 8 and larger than the diameter of the through hole of the second connecting part, and the second protrusion 14 is matched with the end part of the threaded part 10 to limit the relative position of the second pipeline 4 and the second connecting part 2.
In the present embodiment, the diameter of the second connecting portion through hole 12 is the same as the diameter of the first through hole 7; the size of the first protruding portion 13 is the same as the size of the second protruding portion 14, and the size of the first protruding portion 13 and the size of the second protruding portion 14 are both smaller than the diameter of the second through hole 8.
In this embodiment, both the end surface of the first joint end of the first pipe 3 and the end surface of the second joint end of the second pipe 4 are provided with grooves 15, and sealing rings 16 are arranged in the grooves 15 for effectively sealing the contact surfaces of the first joint end of the first pipe 3 and the second joint end of the second pipe 4.
In this embodiment, be provided with test hole 17 on first connecting portion 1, test hole 17 perpendicular and the axis setting of first connecting portion 1 and with second through-hole 8 intercommunication, test hole 17 is used for testing the leakproofness of first pipeline 3 and second pipeline 4, when having the medium circulation in first pipeline 3 and the second pipeline 4, can observe through test hole 17 whether there is the medium to spill over from the junction of first pipeline 3 and second pipeline 4.
In this embodiment, the first fixing portion 5 and the second fixing portion 6 have the same structure, the cross section of the first fixing portion 5 along the axis of the first connecting portion 1 is L-shaped, and the first fixing portion 5 is provided with a threaded hole 26.
The embodiment further comprises a gasket 18, two ends of the gasket 18 are respectively arranged on a sealing ring 19, an expansion spring 20 is arranged between the gasket 18 and the sealing ring 19, one end of the expansion spring 20 abuts against the gasket 18, the other end of the expansion spring 20 abuts against the sealing ring 19, the gasket 18, the expansion spring 20 and the sealing ring 19 are all located on the inner sides of the first fixing portion 5 and the second fixing portion 6 and located on the outer sides of the first connecting portion 1 and the second connecting portion 2, and mounting grooves for placing the gasket 18 are formed in the inner sides of the first fixing portion 5 and the second fixing portion 6. The washer 18 and the packing 19 are fixed by the elastic force of the extension spring 20.
In this embodiment, the first fixing portion 5 and the second fixing portion 6 are connected by a bolt 21, a first gasket 22 is disposed between the first fixing portion 5 and the head of the bolt 21, a second gasket 23 and a third gasket 24 are further disposed on the bolt 21 in a penetrating manner, the second gasket 23 and the third gasket 24 are both located between the second fixing portion 6 and the nut of the bolt 21, a fastening spring 25 is further disposed on the bolt 21 in a penetrating manner, one end of the fastening spring 25 abuts against the second gasket 23, the other end of the fastening spring 25 abuts against the third gasket 24, the second gasket 23 and the third gasket 24 can be fastened by elasticity of the fastening spring 25, and further the first fixing portion 5 and the second fixing portion 6 are fastened more.
When the first pipeline 3 is used in the embodiment, the first pipeline 3 penetrates into the first connecting part 1 from the second through hole 8 of the first connecting part 1, and the first protruding part 13 of the first pipeline 3 is limited with the first step 9; penetrating the second pipeline 4 from a second connecting part through hole 12 of the second connecting part 2, and limiting a second protruding part 14 of the second connecting part 2 with a threaded part 10 of the second connecting part 2; screwing the second connecting part 2 with the second pipeline 4 into the first connecting part 1 from the second through hole 8 of the first connecting part 1 through the threads of the threaded part 10, and enabling the sealing ring 16 of the first joint end of the first pipeline 3 to be in contact with and pressed against the sealing ring 16 of the second joint end of the second pipeline 4; sleeving the first fixing part 5 on the outer side of the first connecting part 1, sleeving the second fixing part 6 on the outer side of the second connecting part 2, and screwing the screws into the threaded holes 26 of the first fixing part 5 and the second fixing part 6 respectively, so that the tips of the screws extend into the first connecting part 1 and the second connecting part 2, and the screws cannot pierce through the first connecting part 1 and the second connecting part 2; the first fixing portion 5 and the second fixing portion 6 are connected by a bolt 21.
This embodiment simple structure, convenient operation can carry out effective connection to water supply and drainage pipeline, provides the dual seal protection, ensures water supply and drainage pipeline's leakproofness.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. A water supply and drainage pipeline connecting device is characterized in that: including first connecting portion, second connecting portion, first pipeline, second pipeline, first fixed part and second fixed part, first connecting portion with the second connecting portion pass through threaded connection, first pipeline sets up the inboard of first connecting portion and with first connecting portion are connected, the second pipeline sets up the inboard of second connecting portion and with the second connecting portion are connected, the tip of first pipeline with be provided with seal structure between the tip of second pipeline, the first connecting portion outside is provided with first fixed part, the second connecting portion outside is provided with the second fixed part, first fixed part with the second fixed part passes through connection structure and connects.
2. The water supply and drainage pipeline connecting device as claimed in claim 1, wherein: the first connecting part comprises a first through hole and a second through hole which are communicated with each other, the first through hole, the second through hole and the first connecting part are concentrically arranged, the diameter of the first through hole is smaller than that of the second through hole, a first step is formed between the first through hole and the second through hole, and the outer diameter of the first pipeline is the same as that of the first through hole; the outer side of the first joint end of the first pipeline is provided with a first protruding portion, the size of the first protruding portion is smaller than that of the second through hole, and the first protruding portion is matched with the first step to limit the relative position of the first pipeline and the first connecting portion.
3. A water supply and drainage pipeline connecting device as claimed in claim 2, wherein: the second connecting part comprises a threaded part and a limiting part, the threaded part is positioned on the inner side of the first connecting part, the diameter of the threaded part is smaller than that of the limiting part, the diameter of the threaded part is the same as that of the second through hole, the diameter of the limiting part is the same as that of the first connecting part, threads are arranged on the outer wall of the threaded part and are connected with the first connecting part through the threads, and the second connecting part is provided with a second connecting part through hole which is concentric with the second connecting part; and a second protruding part is arranged on the outer side of the second joint end of the second pipeline, the size of the second protruding part is smaller than the diameter of the second through hole and larger than the diameter of the through hole of the second connecting part, and the second protruding part is matched with the end part of the threaded part to limit the relative position of the second pipeline and the second connecting part.
4. A water supply and drainage pipeline connecting device as claimed in claim 3, wherein: the diameter of the second connecting part through hole is the same as that of the first through hole; the size of the first protruding portion is the same as that of the second protruding portion, and the size of the first protruding portion and the size of the second protruding portion are both smaller than the diameter of the second through hole.
5. A water supply and drainage pipeline connecting device as claimed in claim 3, wherein: the end face of the first joint end of the first pipeline and the end face of the second joint end of the second pipeline are both provided with grooves, and sealing rings are arranged in the grooves.
6. A water supply and drainage pipeline connecting device as claimed in claim 3, wherein: the first connecting portion are provided with test holes, and the test holes are perpendicular to the axis of the first connecting portion and communicated with the second through holes.
7. The water supply and drainage pipeline connecting device as claimed in claim 1, wherein the first fixing portion and the second fixing portion have the same structure, the cross section of the first fixing portion along the axis of the first connecting portion is L-shaped, and the first fixing portion is provided with a threaded hole.
8. The water supply and drainage pipeline connecting device as claimed in claim 1, wherein: the sealing device is characterized by further comprising a gasket, wherein two ends of the gasket are respectively arranged on a sealing ring, an expansion spring is arranged between the gasket and the sealing ring, one end of the expansion spring is abutted to the gasket, the other end of the expansion spring is abutted to the sealing ring, and the gasket is positioned on the inner side of the first fixing part and the inner side of the second fixing part and positioned on the outer sides of the first connecting part and the second connecting part.
9. The water supply and drainage pipeline connecting device as claimed in claim 1, wherein: the bolt is characterized in that the first fixing part is connected with the second fixing part through a bolt, a first gasket is arranged between the first fixing part and the head of the bolt, a second gasket and a third gasket are arranged on the bolt in a penetrating mode, the second gasket and the third gasket are located between the second fixing part and a nut of the bolt, a fastening spring is arranged on the bolt in a penetrating mode, one end of the fastening spring abuts against the second gasket, and the other end of the fastening spring abuts against the third gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722183.2U CN211118149U (en) | 2019-10-15 | 2019-10-15 | Water supply and drainage pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722183.2U CN211118149U (en) | 2019-10-15 | 2019-10-15 | Water supply and drainage pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211118149U true CN211118149U (en) | 2020-07-28 |
Family
ID=71695338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921722183.2U Expired - Fee Related CN211118149U (en) | 2019-10-15 | 2019-10-15 | Water supply and drainage pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211118149U (en) |
-
2019
- 2019-10-15 CN CN201921722183.2U patent/CN211118149U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20211015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |