CN219345846U - Hot melt water pipe connecting piece - Google Patents
Hot melt water pipe connecting piece Download PDFInfo
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- CN219345846U CN219345846U CN202320502330.5U CN202320502330U CN219345846U CN 219345846 U CN219345846 U CN 219345846U CN 202320502330 U CN202320502330 U CN 202320502330U CN 219345846 U CN219345846 U CN 219345846U
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- connecting part
- water pipe
- melt water
- hot melt
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Abstract
The utility model discloses a hot-melt water pipe connecting piece, which comprises a first connecting part and a second connecting part, wherein one end of the first connecting part is connected with one end of a water inlet of a damaged part of a hot-melt water pipe, one end of the second connecting part is connected with one end of a water outlet of the damaged part of the hot-melt water pipe, and the first connecting part and the second connecting part are connected in a telescopic sealing manner; the first connecting part is a hollow shaft, and at least one spiral embedded groove is formed in the inner wall of the hollow shaft; the second connecting portion comprises a head connecting section and a tail connecting section which are hollow ladder-shaped integrally, at least one spiral outer convex strip is arranged on the outer surface of the head connecting section, and the outer convex strip is embedded in the embedded groove to realize telescopic sealing connection between the first connecting portion and the second connecting portion. The connecting piece is not influenced by construction operation environment, the ground is not required to be damaged in a large area, the structure is simple, the cost is low, and the overall strength is high.
Description
Technical Field
The utility model relates to the technical field of electromechanical installation, in particular to a hot-melt water pipe connector.
Background
In construction of erecting water pipes in all places, the plastic hot-melt water pipe valve is widely applied to construction of erecting water pipes in all places of the country because the plastic hot-melt water pipe valve is simple and convenient to install and easy to operate and the construction cost of installing and implementing the plastic hot-melt valve is low. When a hot-melt water pipe buried in a narrow space or underground is damaged carelessly, the problem that the hot-melt treatment cannot be carried out due to the narrow working environment, so that the water pipe needs to be replaced in a large area or the ground maintenance water pipe is damaged in a large area is often faced.
The utility model patent with the application number of CN201810830181.9 discloses a connecting piece capable of disassembling and installing a hot-melt water pipe valve with water, which consists of a telescopic connecting sleeve, an internal thread connecting buckle, a sealing ring, a pressing pad, a connected water pipe and a gland with external threads, wherein the gland with external threads of the connected water pipe can be sleeved with the telescopic connecting sleeve. The connecting piece has the characteristics of reasonable design, scientific structure, water conservation and simple and convenient installation, and is a connecting piece which is used for disassembling and installing the hot melt water pipe valve by using the energy-carrying water in the process of disassembling the fault hot melt water pipe valve. However, the connecting piece is connected through threads, and the sealing part is added, so that the structure is complex, and the strength of the connecting piece is influenced by the threads.
Disclosure of Invention
The utility model aims to provide a hot-melt water pipe connecting piece, which solves the problems of narrow operation space and large-area ground destruction required in the traditional hot-melt water pipe maintenance, and has the advantages of simple structure and high overall strength.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the hot melt water pipe connecting piece comprises a first connecting part and a second connecting part, wherein one end of the first connecting part is connected with one end of a water inlet of a damaged part of a hot melt water pipe, one end of the second connecting part is connected with one end of a water outlet of the damaged part of the hot melt water pipe, and the first connecting part is connected with the second connecting part in a telescopic sealing manner;
the first connecting part is a hollow shaft, and at least one spiral embedded groove is formed in the inner wall of the hollow shaft;
the second connecting portion comprises a head connecting section and a tail connecting section which are hollow ladder-shaped integrally, at least one spiral outer convex strip is arranged on the outer surface of the head connecting section, and the outer convex strip is embedded in the embedded groove to realize telescopic sealing connection between the first connecting portion and the second connecting portion.
Preferably, the inner diameter of the first connecting part is consistent with that of the tail connecting section, and is 3mm smaller than the outer diameter of the adapted hot-melt water pipe.
Preferably, the outer diameter of the head connecting section is matched with the inner diameter of the first connecting part.
Preferably, the length of the first connecting part and the length of the second connecting part are four times of the inner diameter of the matched hot melt water pipe.
Preferably, the ratio of the length of the head connecting section to the length of the tail connecting section is 1:1-2:1.
Preferably, the at least one embedded groove is two, the two embedded grooves are parallel, and the number and the shape of the outer protrusions are matched with those of the embedded grooves.
Preferably, the pitch of the embedded groove is four times of the inner diameter of the hot melt water pipe.
Preferably, a waterproof sealing strip with a U-shaped cross section is arranged in the embedded groove.
Preferably, the first connecting portion and the second connecting portion are made of plastic.
In the utility model, one end of the first connecting part is connected with one end of a water inlet of a damaged part of the hot-melt water pipe, one end of the second connecting part is connected with one end of a water outlet of the damaged part of the hot-melt water pipe, and the first connecting part and the second connecting part are in telescopic sealing connection, wherein an outer convex strip on a head connecting section of the second connecting part is embedded in an embedded groove on the inner wall of the first connecting part, so that a joint surface with a certain area is formed between the first connecting part and the second connecting part, the connecting part is a bell mouth, the inside of the second connecting part is also provided with a stepped hole, and water flow can give a reverse force to the second connecting part after the water pipe is communicated, thereby increasing the compactness between the first connecting part and the second connecting part; meanwhile, a waterproof sealing strip is arranged in the embedded groove, so that tightness and waterproofness are further improved; the relative positions of the first connecting part and the second connecting part are adjusted through rotation, so that the telescopic action of the first connecting part and the second connecting part is realized, and the damage part of the hot melt water pipe is conveniently connected; the screw-type embedded groove is matched and connected with the screw-type external raised line to replace threaded connection, so that the connection strength of the connection part of the first connecting part and the second connecting part and the self strength of the first connecting part and the second connecting part are increased, and the manufacturing cost is low.
Drawings
FIG. 1 is a schematic diagram of the overall application of the present utility model;
fig. 2 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a first connection portion; 2. a second connecting portion; 3. a hot melt water pipe; 10. an embedded groove; 20. a head connection section; 21. a tail connection section; 22. an outer protruding strip.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
the hot melt water pipe connector shown in fig. 1 and 2 comprises a first connecting part 1 and a second connecting part 2, wherein the first connecting part 1 and the second connecting part 2 are made of plastics. One end of the first connecting part 1 is connected with one end of a water inlet of the damaged part of the hot melt water pipe 3, one end of the second connecting part 2 is connected with one end of a water outlet of the damaged part of the hot melt water pipe 3, and the first connecting part 1 is connected with the second connecting part 2 in a telescopic sealing manner.
The first connecting part 1 is a hollow shaft, and at least one spiral embedded groove 10 is arranged on the inner wall of the hollow shaft. The second connecting portion 2 comprises a head connecting section 20 and a tail connecting section 21 which are hollow ladder-shaped integrally, at least one spiral outer convex strip 22 is arranged on the outer surface of the head connecting section 20, the outer convex strip 22 is embedded in the embedded groove 10, and the telescopic sealing connection between the first connecting portion 1 and the second connecting portion 2 is realized by rotating and adjusting the relative position between the first connecting portion 1 and the head connecting section 20. In this example, at least one of the embedded grooves 10 is two, the two embedded grooves 10 are parallel, and the number and shape of the outer protrusions 22 are matched with those of the embedded grooves 10.
The inner diameter of the first connecting part 1 is consistent with the inner diameter of the tail connecting section 21, and is 3mm smaller than the outer diameter of the adaptive hot-melt water pipe. The external diameter size of the head connecting section 20 is matched with the internal diameter size of the first connecting part 1, so that the internal diameter of the head connecting section 20 is smaller than the internal diameter of the tail connecting section 21, when the damaged part of the hot melt water pipe 3 is communicated, water flows from the tail connecting section 21 to the head connecting section 20, the sectional area is reduced, and pressure is generated at the position where the section is changed, so that the compactness between the first connecting part and the second connecting part is improved.
The length of the first connecting part 1 and the length of the second connecting part 2 are four times of the inner diameter of the matched hot melt water pipe. The ratio of the length of the head connecting section 20 to the length of the tail connecting section 21 is in the range of 1:1-2:1.
The pitch of the embedded groove 10 is four times of the inner diameter of the hot melt water pipe. A waterproof sealing strip with a U-shaped cross section is arranged in the embedded groove 10 to prevent water leakage after the first connecting part 1 is connected with the head connecting section 20.
Working principle: cutting off the damaged water pipe section, reserving proper pipe opening spacing when cutting off, selecting a connecting piece matched with the damaged water pipe, rotationally connecting the first connecting part 1 with the second connecting part 2, thermally fusing one end of the first connecting part 1 with one end of a water inlet of the damaged water pipe, rotationally adjusting the relative positions of the first connecting part 1 and the second connecting part 2 to adapt to the pipe opening spacing with different spacing, and thermally fusing one end of the tail connecting section 21 with one end of a water outlet of the damaged water pipe.
The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.
Claims (9)
1. A hot melt water pipe connection, its characterized in that: the hot-melt water pipe comprises a first connecting part (1) and a second connecting part (2), wherein one end of the first connecting part (1) is connected with one end of a water inlet of a damaged part of the hot-melt water pipe (3), one end of the second connecting part (2) is connected with one end of a water outlet of the damaged part of the hot-melt water pipe (3), and the first connecting part (1) is connected with the second connecting part (2) in a telescopic sealing manner;
the first connecting part (1) is a hollow shaft, and at least one spiral embedded groove (10) is formed in the inner wall of the hollow shaft;
the second connecting part (2) comprises a head connecting section (20) and a tail connecting section (21) which are hollow ladder-shaped integrally, at least one spiral outer convex strip (22) is arranged on the outer surface of the head connecting section (20), and the outer convex strip (22) is embedded in the embedded groove (10) to realize telescopic sealing connection between the first connecting part (1) and the second connecting part (2).
2. The hot melt water pipe connection according to claim 1, wherein: the inner diameter of the first connecting part (1) is consistent with the inner diameter of the tail connecting section (21), and is 3mm smaller than the outer diameter of the adaptive hot-melt water pipe.
3. The hot melt water pipe connection according to claim 2, wherein: the outer diameter of the head connecting section (20) is matched with the inner diameter of the first connecting part (1).
4. The hot melt water pipe connection according to claim 1, wherein: the length of the first connecting part (1) and the length of the second connecting part (2) are four times of the inner diameter of the matched hot melt water pipe.
5. The hot melt water pipe connection of claim 4, wherein: the length ratio of the head connecting section (20) to the tail connecting section (21) is 1:1-2:1.
6. The hot melt water pipe connection according to claim 1, wherein: the number and the shape of the outer protrusions (22) are matched with those of the embedded grooves (10).
7. The hot melt water pipe connection of claim 6, wherein: the pitch of the embedded groove (10) is four times of the inner diameter of the hot melt water pipe.
8. A hot melt water pipe connection according to any one of claims 1 to 7, wherein: a waterproof sealing strip with a U-shaped cross section is arranged in the embedded groove (10).
9. The hot melt water pipe connection according to claim 1, wherein: the first connecting part (1) and the second connecting part (2) are made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320502330.5U CN219345846U (en) | 2023-03-16 | 2023-03-16 | Hot melt water pipe connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320502330.5U CN219345846U (en) | 2023-03-16 | 2023-03-16 | Hot melt water pipe connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219345846U true CN219345846U (en) | 2023-07-14 |
Family
ID=87109521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320502330.5U Active CN219345846U (en) | 2023-03-16 | 2023-03-16 | Hot melt water pipe connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219345846U (en) |
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2023
- 2023-03-16 CN CN202320502330.5U patent/CN219345846U/en active Active
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