CN217003452U - Connecting structure of composite copper-plastic water supply pipeline - Google Patents
Connecting structure of composite copper-plastic water supply pipeline Download PDFInfo
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- CN217003452U CN217003452U CN202123242413.5U CN202123242413U CN217003452U CN 217003452 U CN217003452 U CN 217003452U CN 202123242413 U CN202123242413 U CN 202123242413U CN 217003452 U CN217003452 U CN 217003452U
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Abstract
The utility model relates to a connecting structure of a composite copper-plastic water supply pipeline, which comprises a connecting pipe and is characterized in that: the connecting pipe includes: a pipe body; the metal pipe body is arranged in the pipe body and is attached to the inner wall of the pipe body; wherein, the fitting surface of the pipe body and the metal pipe body is provided with a dovetail groove and a clamping block which are mutually matched; the utility model has the beneficial effects that: the metal pipe body and the pipe body are matched more closely, and loosening is avoided.
Description
Technical Field
The utility model relates to the technical field of water pipes, in particular to a connecting structure of a composite copper-plastic water supply pipeline.
Background
The composite copper-plastic water supply pipeline and the matching connecting piece are a novel water supply pipe material, and the composite copper-plastic water supply pipeline consists of a thin-wall seamless copper lining and an external plastic layer; however, the current seamless copper lining and the plastic layer are bonded, and the seamless copper lining and the plastic layer are easily separated during the use process through bonding or welding.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a connecting structure of a composite copper-plastic water supply pipeline, and aims to solve the problems in the background technology.
The technical scheme of the utility model is realized as follows: a connection structure of a composite copper-plastic water supply pipeline comprises:
the connecting pipe can be connected its characterized in that with the water supply line: the connection pipe includes:
a pipe body;
the metal pipe body is arranged in the pipe body and is attached to the inner wall of the pipe body;
wherein, be equipped with dovetail and the joint piece of mutual adaptation on the fitting surface of body and metal body.
Preferably: the dovetail groove includes:
the first dovetail groove is arranged on the metal pipe body;
the second dovetail groove is arranged on the pipe body;
the joint piece includes:
the first clamping block is arranged on the metal pipe body;
the second clamping block is arranged on the pipe body;
the first clamping blocks are matched with the second dovetail grooves, the second clamping blocks are matched with the first dovetails, the first clamping blocks are arranged between the adjacent first dovetail grooves, the second clamping blocks are arranged between the adjacent second dovetail grooves, and the first dovetail grooves and the second dovetail grooves are arranged in a staggered mode.
Preferably: the end parts of the pipe body and the metal pipe body are provided with sealing grooves, and sealing rings are arranged in the sealing grooves.
Preferably: the seal groove includes:
an annular groove body formed between the pipe body and the end part of the metal pipe body;
the annular opening is communicated with the annular groove body and the outside, and the width of the annular opening is smaller than that of the annular groove body;
the sealing ring comprises an integrated body:
the first sealing body is arranged in the annular groove body and is arranged in a clearance with the groove bottom of the annular groove body;
the second sealing body is connected with the first sealing body and can penetrate out of the annular opening;
a third sealing body connected to the second sealing body and capable of covering an end of the metal pipe body;
and a sealing folded edge which is bent towards the inside of the metal pipe body is arranged on the inner ring of the third sealing body, and a spring is arranged between the first sealing body and the bottom of the annular groove body.
Preferably, the following components are used: be formed with the extrusion groove in the sealing washer to the notch and the annular groove body intercommunication in extrusion groove still including locating the extrusion piece in the extrusion groove, the extrusion piece includes:
the first extruding body is arranged in the first sealing body and is provided with a positioning groove for clamping one end of the compression spring;
the second extrusion body is arranged in the second sealing body and at least provided with a plurality of extrusion points for extruding the third sealing body, and the extrusion points are circumferentially distributed at equal intervals;
the springs are at least three and radially distributed at intervals, one end of the spring positioned in the middle is clamped into the positioning groove, and the springs distributed on the two sides are respectively used for extruding the two sides of the first sealing body.
The utility model has the beneficial effects that:
1) the dovetail groove and the clamping block are connected in a matched mode, when the bonding agents of the dovetail groove and the clamping block fail, the dovetail groove and the clamping block can be matched tightly, meanwhile, in order to further ensure the matching tightness of the dovetail groove and the clamping block, the dovetail groove and the clamping block between the metal pipe body and the pipe body are distributed in a staggered mode, the dovetail groove and the clamping block can be matched from different positions, and meanwhile, when the dovetail groove or the clamping block is damaged on the metal pipe body, the dovetail groove and the clamping block can be matched;
2) in order to improve the matching tightness of the pipe body and other pipes, the sealing ring is arranged between the metal pipe body and the end part of the pipe body, the matching effect when the metal pipe body is connected with other pipelines is improved by using the sealing ring, and meanwhile, in order to improve the sealing effect of the sealing ring, the compression spring is arranged to extrude the sealing ring, so that the matching between parts is tighter, and the sealing effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the utility model discloses a connecting structure of a composite copper-plastic water supply pipeline, comprising:
a connection pipe capable of being connected to a water supply pipe, in a specific embodiment of the present invention, the connection pipe includes:
a tube body 10;
the metal pipe body 11 is arranged in the pipe body 10 and is attached to the inner wall of the pipe body 10;
wherein, the fitting surface of the pipe body 10 and the metal pipe body 11 is provided with a dovetail groove 20 and a clamping block 21 which are mutually matched.
In an embodiment of the present invention, the dovetail groove 20 includes:
a first dovetail groove 200 provided on the metal pipe body 11;
a second dovetail groove 201 provided in the pipe body 10;
the clip block 21 includes:
the first clamping block 210 is arranged on the metal pipe body 11;
the second clamping block 211 is arranged on the tube body 10;
the first clamping blocks are matched with the second dovetail grooves, the second clamping blocks are matched with the first dovetails, the first clamping blocks are arranged between the adjacent first dovetail grooves, the second clamping blocks are arranged between the adjacent second dovetail grooves, and the first dovetail grooves and the second dovetail grooves are arranged in a staggered mode.
Referring to fig. 1, in order to improve the cooperation effect between body and the metal pipe body in this embodiment, set up the dovetail and the joint piece of mutual adaptation on the fitting surface between them, and the distribution between dovetail and the joint piece can be dislocation set to improve the cooperation effect of keeping a close distance between them, avoid droing.
Example 2 is different from example 1 in that
As shown in fig. 2 to 3, in the embodiment of the present invention, a sealing groove 30 is formed at the end of the pipe body 10 and the metal pipe body 11, and a sealing ring is disposed in the sealing groove 30.
In an embodiment of the present invention, the sealing groove includes:
an annular groove 300 formed between the ends of the pipe body 10 and the metal pipe body 11;
an annular opening 301 which is communicated with the annular groove body 300 and the outside, and the width Z1 of the annular opening 301 is smaller than the width Z2 of the annular groove body 300;
the sealing ring comprises an integrated body:
the first sealing body 41 is arranged in the annular groove body 300 and is arranged in a gap with the groove bottom of the annular groove body 300;
a second sealing body 42 connected to the first sealing body 41 and capable of protruding through the annular opening 301;
a third sealing body 43 connected to the second sealing body 42 and capable of covering an end portion of the metal pipe body 11;
the inner ring of the third sealing body 43 is provided with a sealing flange 44 bending towards the inside of the metal pipe body 11, and a spring 60 is arranged between the first sealing body 41 and the groove bottom of the annular groove body 300.
In a specific embodiment of the present invention, an extrusion groove is formed in the sealing ring, and a notch of the extrusion groove is communicated with the annular groove body, and the present invention further includes an extrusion block disposed in the extrusion groove, the extrusion block includes:
a first pressing body 51 provided in the first sealing body 41 and the second sealing body 42 and having a positioning groove 510 into which one end of the compression spring is inserted;
the second extrusion body 52 is arranged in the third sealing body 43 and at least provided with a plurality of extrusion points for extruding the third sealing body 43, and the extrusion points are circumferentially distributed at equal intervals;
the number of the springs 60 is at least three, and the springs 60 are radially distributed at intervals, one end of the spring 60 located in the middle is clamped into the positioning groove 510, and the springs 60 distributed on the two sides are respectively used for extruding the two sides of the first sealing body 41.
In the embodiment of the present invention, the water supply pipe 70 is screwed to the metal pipe 11, and when the water supply pipe 70 is fitted, at least one surface of the water supply pipe 70 can extrude the third sealing body 43 with the pipe 10 and/or the metal pipe 11.
Referring to fig. 2, when the connection structure of this embodiment is connected with a pipe, one end of the water supply pipe is attached to the end of the pipe and the metal pipe, and therefore, a sealing ring is disposed on the fitting surface between them to improve the sealing performance, and furthermore, the sealing ring is disposed in three parts to further improve the practicability of the sealing ring, and the cross section is substantially in an "i" shape, so that the sealing ring can be prevented from falling off, and meanwhile, an extrusion groove is disposed in the sealing ring, and the first extrusion body and the second extrusion body disposed in the extrusion groove can be used for extruding the sealing body, that is: referring to fig. 3, set up 3 springs in the annular groove body, wherein 2 springs are used for extrudeing first seal, 1 spring card is gone into in the constant head tank in addition, and be used for extrudeing first squeeze, and first squeeze can be used for extrudeing the second squeeze, the second squeeze can set up annularly (the point of extrusion indicates the application of force face of second squeeze, and distribute in the third seal, therefore, the second squeeze can extrude the third seal and be used for improving the leakproofness of water supply pipe and body or tubular metal resonator, and the spring that is used for extrudeing first seal can prevent that the sealing washer part from droing from the annular groove is internal.
Wherein, the hem that sets up on the third seal can be when water supply pipe and metal body cooperation, and the hem can be extruded to the outer wall of water supply pipe cooperation end to further improve leakproofness between them, simultaneously, when water supply pipe's cooperation end penetrated the metal body, can avoid water supply pipe to cause the damage to the internal thread of metal body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A connection structure of a composite copper-plastic water supply pipeline comprises:
the connecting pipe can be connected its characterized in that with the water supply line: the connection pipe includes:
a pipe body;
the metal pipe body is arranged in the pipe body and is attached to the inner wall of the pipe body;
wherein, the fitting surface of the pipe body and the metal pipe body is provided with a dovetail groove and a clamping block which are mutually matched;
the dovetail groove includes:
the first dovetail groove is arranged on the metal pipe body;
the second dovetail groove is arranged on the pipe body;
the joint piece includes:
the first clamping block is arranged on the metal pipe body;
the second clamping block is arranged on the pipe body;
the first clamping blocks are matched with the second dovetail grooves, the second clamping blocks are matched with the first dovetails, the first clamping blocks are arranged between the adjacent first dovetail grooves, the second clamping blocks are arranged between the adjacent second dovetail grooves, and the first dovetail grooves and the second dovetail grooves are arranged in a staggered mode.
2. The connecting structure of the composite copper-plastic water supply pipeline according to claim 1, characterized in that: the end parts of the pipe body and the metal pipe body are provided with sealing grooves, and sealing rings are arranged in the sealing grooves.
3. The connecting structure of the composite copper-plastic water supply pipeline according to claim 2, characterized in that: the seal groove includes:
an annular groove body formed between the pipe body and the end part of the metal pipe body;
the annular opening is communicated with the annular groove body and the outside, and the width of the annular opening is smaller than that of the annular groove body;
the sealing ring comprises an integrated body:
the first sealing body is arranged in the annular groove body and is arranged in a clearance with the groove bottom of the annular groove body;
the second sealing body is connected with the first sealing body and can penetrate out of the annular opening;
a third sealing body connected to the second sealing body and capable of covering an end of the metal pipe body;
and a sealing folded edge which is bent towards the inside of the metal pipe body is arranged on the inner ring of the third sealing body, and a spring is arranged between the first sealing body and the bottom of the annular groove body.
4. The connecting structure of a compound copper-plastic water supply pipe of claim 3, characterized in that an extrusion groove is formed in the sealing ring, and the notch of the extrusion groove is communicated with the annular groove body, and further comprising an extrusion block arranged in the extrusion groove, wherein the extrusion block comprises:
the first extruding body is arranged in the first sealing body and is provided with a positioning groove for clamping one end of the compression spring;
the second extrusion body is arranged in the second sealing body and at least provided with a plurality of extrusion points for extruding the third sealing body, and the extrusion points are circumferentially distributed at equal intervals;
the springs are at least three and radially distributed at intervals, one end of the spring positioned in the middle is clamped into the positioning groove, and the springs distributed on the two sides are respectively used for extruding the two sides of the first sealing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123242413.5U CN217003452U (en) | 2021-12-22 | 2021-12-22 | Connecting structure of composite copper-plastic water supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123242413.5U CN217003452U (en) | 2021-12-22 | 2021-12-22 | Connecting structure of composite copper-plastic water supply pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217003452U true CN217003452U (en) | 2022-07-19 |
Family
ID=82384427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123242413.5U Active CN217003452U (en) | 2021-12-22 | 2021-12-22 | Connecting structure of composite copper-plastic water supply pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217003452U (en) |
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2021
- 2021-12-22 CN CN202123242413.5U patent/CN217003452U/en active Active
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