CN111174004A - Pipe connecting component - Google Patents
Pipe connecting component Download PDFInfo
- Publication number
- CN111174004A CN111174004A CN202010114354.4A CN202010114354A CN111174004A CN 111174004 A CN111174004 A CN 111174004A CN 202010114354 A CN202010114354 A CN 202010114354A CN 111174004 A CN111174004 A CN 111174004A
- Authority
- CN
- China
- Prior art keywords
- pipe
- side wall
- fixed
- outer side
- sealing
- 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.)
- Pending
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Classifications
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/03—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
Abstract
The invention relates to the field of pipeline connecting devices, in particular to a pipe connecting component, wherein a fixed pipe is fixedly sleeved on a connecting pipe, a connecting cavity is formed between the end part of the connecting pipe and the end part of the fixed pipe, the end part of the pipe is embedded in the connecting cavity, the outer side wall of the pipe abuts against the inner side wall of the fixed pipe, a sealing part abutting against the inner side wall of the pipe is arranged on the outer side wall of the connecting pipe, the fixed pipe is used for fixedly connecting the pipe and forces the inner side wall of the pipe and the sealing part to abut against each other, and the sealing part can prevent the pipe and liquid in the connecting pipe from corroding the end surface of the pipe so as to avoid the separation of a.
Description
Technical Field
The invention relates to the field of pipeline connecting devices, in particular to a pipe connecting component.
Background
The plastic lining metal composite pipe in the market is a polypropylene lining stainless steel pipe or a polypropylene lining copper pipe, and the plastic lining metal composite pressure pipe is formed by co-extruding a metal layer, a glue layer and a plastic layer, namely the metal and the plastic layer are bonded through hot melt adhesive. The existing connecting modes are two, one is a connecting piece using a common PPR pipe fitting, and the defects are that the use is influenced by metal separation layers caused by water erosion of a plastic and metal bonding layer at the end part of the pipe fitting; the other kind is with special PPR pipe fitting connecting piece, the metal bush has been placed to the centre, but there is the clearance between metal bush and the tubular product metal level, the tip of tubular product is gapped just has the water infiltration, under the big circumstances of difference in temperature, the glue film of pipeline expend with heat and contract with cold tubular product leads to plastic layer and metal level layering easily with water contact, water can flow into plastic layer and metal level and make the pipeline swell, the pipe explosion, seriously influence the bearing strength of pipeline, long service life, simultaneously, the glue film can cause water secondary pollution.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a pipe connecting member, so as to solve the problem that the existing pipe connecting member cannot prevent water from eroding the end face of the pipe, which results in the separation of the multilayer structure of the pipe.
Based on this, the invention provides a pipe connecting member, which comprises a connecting pipe and a fixed pipe;
the fixed pipe is sleeved on the connecting pipe and fixedly connected with the connecting pipe, so that an annular connecting cavity is formed between the end part of the connecting pipe and the end part of the fixed pipe;
the outer side wall of the connecting pipe is provided with a sealing part positioned in the connecting cavity;
the end part of the pipe is embedded in the connecting cavity, the outer side wall of the pipe is abutted to the inner side wall of the fixed pipe, and the sealing part is abutted to the inner side wall of the pipe.
Preferably, the sealing part comprises a groove arranged on the outer side wall of the connecting pipe and a sealing ring embedded in the groove, and the sealing ring is abutted against the inner side wall of the pipe.
Preferably, the number of the sealing parts is provided with a plurality of sealing parts, and the plurality of sealing parts are sequentially arranged on the outer side wall of the end part of the connecting pipe along the axial direction of the connecting pipe.
Preferably, the end of the connecting pipe passes through the end of the fixed pipe in the axial direction thereof.
Preferably, a circle of connecting piece is arranged on the inner side wall of the fixed pipe in a surrounding manner, and the connecting piece is fixedly connected to the connecting pipe, so that the inner side wall of the fixed pipe, the end face of the connecting piece and the outer side wall of the connecting pipe form the connecting cavity.
Preferably, the connecting pipe is made of metal.
Preferably, the fixing tube is made of a plastic material.
Preferably, the connecting cavity is arranged at both ends of the connecting piece.
Preferably, the connecting pipe and the fixing pipe are integrally injection-molded.
The fixed pipe of the pipe connecting component is fixedly sleeved on the connecting pipe, a connecting cavity is formed between the end part of the connecting pipe and the end part of the fixed pipe, the end part of the pipe is embedded in the connecting cavity, the outer side wall of the pipe is abutted against the inner side wall of the fixed pipe, the outer side wall of the connecting pipe is provided with a sealing part abutted against the inner side wall of the pipe, the fixed pipe is used for fixedly connecting the pipe and forcing the inner side wall of the pipe and the sealing part to be abutted against each other, and the sealing part can prevent the pipe and liquid in the connecting pipe from corroding the end surface of the pipe so as to avoid the plastic layer and the metal layer.
Drawings
FIG. 1 is a schematic view of the overall structure of a pipe connecting member according to an embodiment of the present invention;
FIG. 2 is a schematic view of a tube structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a connection pipe of the pipe connection member according to the embodiment of the present invention;
fig. 4 is a schematic view showing a connection relationship between the pipe connection member and the pipe according to the embodiment of the present invention.
Wherein, 1, connecting pipe; 2. a fixed tube; 21. a connecting member; 3. a connecting cavity; 4. a sealing member; 41. a groove; 42. a seal ring; 5. a pipe; 51. a plastic layer; 52. a metal layer.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, a tube 5 connecting member of the present invention is schematically shown, including a connecting tube 1 and a fixing tube 2, the fixing tube 2 having an inner diameter greater than an outer diameter of the connecting tube 1. The connecting pipe 1 is located to fixed pipe 2 cover, and connecting pipe 1 wears to locate fixed pipe 2 promptly, and the two is fixed continuous, and this makes to form between the tip of connecting pipe 1 and the tip of fixed pipe 2 and is annular connecting chamber 3. Furthermore, a sealing part 4 is arranged on the outer side wall of the connecting pipe 1 and located in the connecting cavity 3, and the sealing part 4 is arranged around the axis of the connecting pipe 1. The end of the pipe 5 is embedded in the connecting cavity 3, the outer side wall of the pipe 5 abuts against the inner side wall of the fixed pipe 2, the sealing part 4 abuts against the inner side wall of the pipe 5, the fixed pipe 2 can fix the pipe 5, and the inner side wall of the pipe 5 is ensured to tightly abut against the sealing part 4. The sealing part 4 can prevent the liquid in the pipe 5 and the connecting pipe 1 from permeating to the end surface of the pipe 5 through the connecting cavity 3, and the multi-layer structure separation of the pipe 5 is avoided.
Referring to fig. 3 and 4, the sealing member 4 includes a groove 41 disposed on an outer side wall of the connection pipe 1 and a sealing ring 42 embedded in the groove 41, the groove 41 is disposed along a circumferential direction of the connection pipe 1, that is, the groove 41 is disposed around an axis of the connection pipe 1, and the sealing ring 42 is O-shaped and may be made of rubber. The sealing ring 42 abuts against the inner side wall of the pipe 5, and the connection pipe 1 and the pipe 5 are sealed. Of course, the cross-section of the sealing ring 42 may be circular or conical; the cross-section of the groove 41 may be semicircular or rectangular.
The number of the grooves 41 is provided with a plurality of corresponding sealing rings 42, and the number of the sealing rings 42 is consistent with that of the grooves 41. The plurality of grooves 41 are sequentially arranged on the outer side wall of the end portion of the connection pipe 1 in the axial direction of the connection pipe 1, and a seal ring 42 is provided in each groove 41, so that the plurality of seal members 4 greatly enhance the sealing property.
The end of the connecting tube 1 extends axially out of the end of the fixed tube 2, the end of the connecting tube 1 first penetrates into the tube 5 before the end of the tube 5 is inserted into the connecting chamber 3, and the end of the connecting tube 1 can guide the end of the tube 5 into the connecting chamber 3.
The inner side wall of the fixed pipe 2 is provided with a circle of connecting piece 21 in a surrounding manner, and of course, the connecting piece 21 can be made of the same material as the fixed pipe 2 and the two are of an integrated structure. The end of the connecting piece 21 is fixedly connected to the outer side wall of the connecting pipe 1, so that the inner side wall of the fixed pipe 2, the end surface of the connecting piece 21 and the outer side wall of the connecting pipe 1 form a connecting cavity 3, preferably, the connecting cavity 3 is arranged at both ends of the connecting piece 21, namely, the two ends of the member can be respectively connected with two pipes 5.
In this embodiment, connecting pipe 1 adopts the metal material to make, and fixed pipe 2 adopts the plastics material to make, and connecting pipe 1 and fixed pipe 2 are injection moulding as an organic whole. The fixed pipe 2 and the pipe 5 are fixedly connected in a hot melting connection mode, the mode is convenient to connect, and meanwhile, the connection strength is high. The connecting pipe 1 made of metal is used as a part directly contacting liquid, and the bearing strength is higher than that of a plastic pipe with the same specification.
In summary, in the connecting member for tube 5 of the present invention, the fixing tube 2 is fixedly sleeved on the connecting tube 1, the connecting cavity 3 is formed between the end of the connecting tube 1 and the end of the fixing tube 2, the end of the tube 5 is embedded in the connecting cavity 3, the outer sidewall of the tube 5 abuts against the inner sidewall of the fixing tube 2, the outer sidewall of the connecting tube 1 is provided with the sealing part 4 abutting against the inner sidewall of the tube 5, the fixing tube 2 is used for fixing the connecting tube 1 and the inner sidewall of the tube 5 and the sealing part 4 are forced to abut against each other, and the sealing part 4 can prevent the liquid in the tube 5 and the connecting tube 1 from eroding the end surface of the tube 5, so as to avoid the plastic layer 51 and the metal layer 52 of the.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A pipe connecting member is characterized by comprising a connecting pipe and a fixing pipe;
the fixed pipe is sleeved on the connecting pipe and fixedly connected with the connecting pipe, so that an annular connecting cavity is formed between the end part of the connecting pipe and the end part of the fixed pipe;
the outer side wall of the connecting pipe is provided with a sealing part positioned in the connecting cavity;
the end part of the pipe is embedded in the connecting cavity, the outer side wall of the pipe is abutted to the inner side wall of the fixed pipe, and the sealing part is abutted to the inner side wall of the pipe.
2. The pipe connecting member according to claim 1, wherein the sealing means comprises a groove formed on an outer side wall of the connecting pipe and a sealing ring embedded in the groove, the sealing ring abutting against an inner side wall of the pipe.
3. The pipe connecting member according to claim 1, wherein the number of the sealing parts is provided in plurality, and the plurality of the sealing parts are sequentially arranged on an outer side wall of an end portion of the connecting pipe in an axial direction of the connecting pipe.
4. The pipe connecting member according to claim 1, wherein an end of the connecting pipe passes through an end of the fixed pipe in an axial direction thereof.
5. The pipe connecting member according to claim 1, wherein a ring of connecting members is circumferentially provided on an inner side wall of the fixed pipe, and the connecting members are fixedly connected to the connecting pipe such that the inner side wall of the fixed pipe, an end surface of the connecting member and an outer side wall of the connecting pipe form the connecting chamber.
6. The pipe connecting member according to claim 1, wherein the connecting pipe is made of a metal material.
7. The tubing connection member of claim 1, wherein the stationary tube is made of a plastic material.
8. The tubing connection member according to claim 5, wherein the connection cavity is provided at both ends of the connection piece.
9. The pipe connecting member according to claim 1, wherein the connecting tube and the fixing tube are integrally injection-molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010114354.4A CN111174004A (en) | 2020-02-24 | 2020-02-24 | Pipe connecting component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010114354.4A CN111174004A (en) | 2020-02-24 | 2020-02-24 | Pipe connecting component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111174004A true CN111174004A (en) | 2020-05-19 |
Family
ID=70653153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010114354.4A Pending CN111174004A (en) | 2020-02-24 | 2020-02-24 | Pipe connecting component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111174004A (en) |
-
2020
- 2020-02-24 CN CN202010114354.4A patent/CN111174004A/en active Pending
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