CN216078787U - Joint for electric water heater - Google Patents
Joint for electric water heater Download PDFInfo
- Publication number
- CN216078787U CN216078787U CN202122508998.4U CN202122508998U CN216078787U CN 216078787 U CN216078787 U CN 216078787U CN 202122508998 U CN202122508998 U CN 202122508998U CN 216078787 U CN216078787 U CN 216078787U
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- pipe
- joint
- internal thread
- metal sleeve
- base pipe
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Abstract
A joint for an electric water heater comprises a main body and a water guide inner pipe, wherein the main body comprises an upper internal threaded port, a lower external threaded joint and a hexagonal part which is arranged on the peripheral surface and used for rotating a rotary tool; the water guide inner pipe is made of an anti-hydrolysis plastic material and comprises a base pipe part and a pipe body part, the outer diameter of the base pipe part is larger than that of the pipe body part, and a clamping tongue is arranged at the lower part of the base pipe part; the lower part of the base pipe part is inserted into the pipe hole, the clamping tongue is embedded with the clamping groove, and the base pipe part extends upwards out of the upper internal thread connector. The main body is made of rigid plastic materials, so that the strength of the joint can be ensured; the water guide inner pipe in contact with water is made of hydrolysis-resistant plastic materials, and the problems that nylon materials are easy to hydrolyze and the water absorption rate is high are solved. The service life is prolonged.
Description
Technical Field
The utility model relates to an electric water heater, in particular to a joint for the electric water heater.
Background
In the prior art, chinese patent 201820384157.2 discloses a water inlet pipe assembly of an electric water heater, which includes a body made of plastic material, a water inlet pipe and an outer sleeve, wherein the water inlet pipe passes through a water inlet pipe mounting hole and extends out of the body, and a connecting seat is connected with the connecting hole and is liquid-tight; the cap body is inserted into the upper end of the outer sleeve, the lower end of the outer sleeve is arranged in the internal thread counter bore, and the outer sleeve penetrates through the sealing gasket and the sealing gasket. There are problems in that: the body is made of plastic materials, so that the strength is low, the body is easy to damage in the dismounting process, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: provides a joint for an electric water heater, which has the characteristic of long service life.
The utility model is realized by the following steps: the utility model provides a joint for electric water heater, includes main part, water guide inner tube, and the main part includes internal thread mouth, lower screwed joint and establishes the rotatory hexagon portion of the rotatory instrument of confession on the periphery facing, its characterized in that: the main body is made of rigid plastic materials, a pipe hole which is communicated up and down is formed in the main body, and a clamping groove is formed in the inner wall of the pipe hole;
the water guide inner pipe is made of an anti-hydrolysis plastic material and comprises a base pipe part and a pipe body part, the outer diameter of the base pipe part is larger than that of the pipe body part, and a clamping tongue is arranged at the lower part of the base pipe part;
the lower part of the base pipe part is inserted into the pipe hole, the clamping tongue is embedded with the clamping groove, and the base pipe part extends upwards out of the upper internal thread connector.
The joint for the electric water heater is characterized in that: the base pipe part of the water guide inner pipe is embedded in the pipe hole of the main body.
The joint for the electric water heater is characterized in that: the upper part of the base part is provided with an annular groove;
the stainless steel outer pipe is formed into an inner annular protrusion protruding from outside to inside by adopting a rolling mode and is embedded with the annular groove.
The joint for the electric water heater is characterized in that: also comprises an internal thread metal sleeve and an external thread metal sleeve,
the internal thread metal sleeve is pre-buried in going up the internal thread connects, and the external screw thread metal sleeve is pre-buried on external screw thread connects down.
The joint for the electric water heater has the advantages that due to the adoption of the structure, the main body is made of the rigid plastic material, so that the strength of the joint can be ensured; the water guide inner pipe in contact with water is made of hydrolysis-resistant plastic materials, and the problems that nylon materials are easy to hydrolyze and the water absorption rate is high are solved. The service life is prolonged.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is an exploded perspective view of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, a joint for an electric water heater comprises a main body 1, a water guide inner pipe 2 and a stainless steel outer pipe 3, wherein the main body 1 comprises an upper internal threaded port 11, a lower external threaded joint 12 and a hexagonal part 13 which is arranged on the outer circumferential surface and is used for rotating a rotary tool;
the main body is made of rigid plastic materials, a through hole 14 is formed in the main body 1, a clamping groove 141 is formed in the inner wall of the hole 14, and the rigid plastic materials are made of nylon and fiber materials; the strength of the main body is improved;
the water guide inner pipe 2 is made of an anti-hydrolysis plastic material, the water guide inner pipe 2 comprises a base pipe part 21 and a pipe body part 22, the outer diameter of the base pipe part 21 is larger than that of the pipe body part 22, and the base pipe part 21 is provided with a clamping tongue 211 and a clamping groove 212 from bottom to top; for example, the water guide inner pipe 2 is made of PPR material.
The lower part of the base pipe part 21 is inserted into the pipe hole 14, the annular clamping tongue 211 is embedded with the annular clamping groove 141, the base pipe part 21 extends upwards out of the upper internal thread connector 11, the stainless steel outer pipe 3 is sleeved on the upper part of the base pipe part 21, and the inner annular bulge 31 on the stainless steel outer pipe 3 is embedded with the annular groove 212.
The base pipe part 21 of the water guide inner pipe 2 is embedded in the pipe hole 14 of the main body 1.
The stainless steel outer tube 3 is formed by an inner annular protrusion 31 protruding from outside to inside in a rolling manner and is embedded with the clamping groove 212.
Also comprises an internal thread metal sleeve 4 and an external thread metal sleeve 5,
the internal thread metal sleeve 4 is pre-embedded in the upper internal thread connector 11, and the external thread metal sleeve 5 is pre-embedded on the lower external thread connector 12.
The utility model is directly used as a water outlet pipe piece of the electric water heater;
when the water inlet pipe assembly is used as a water inlet pipe assembly, the upper end of the stainless steel outer pipe 3 is sealed, and the lower part of the stainless steel outer pipe is provided with a radial water outlet hole;
what has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a joint for electric water heater, includes main part, water guide inner tube, and the main part includes internal thread mouth, lower screwed joint and establishes the rotatory hexagon portion of the rotatory instrument of confession on the periphery facing, its characterized in that: the main body is made of rigid plastic materials, a pipe hole which is communicated up and down is formed in the main body, and a clamping groove is formed in the inner wall of the pipe hole;
the water guide inner pipe is made of an anti-hydrolysis plastic material and comprises a base pipe part and a pipe body part, the outer diameter of the base pipe part is larger than that of the pipe body part, and a clamping tongue is arranged at the lower part of the base pipe part;
the lower part of the base pipe part is inserted into the pipe hole, the clamping tongue is embedded with the clamping groove, and the base pipe part extends upwards out of the upper internal thread connector.
2. The joint for an electric water heater according to claim 1, wherein: the base pipe part of the water guide inner pipe is embedded in the pipe hole of the main body.
3. A joint for an electric water heater according to claim 1 or 2, characterized in that: the upper part of the base pipe part is provided with an annular groove;
the stainless steel outer pipe is formed into an inner annular protrusion protruding from outside to inside by adopting a rolling mode and is embedded with the annular groove.
4. A joint for an electric water heater according to claim 1 or 2, characterized in that: also comprises an internal thread metal sleeve and an external thread metal sleeve,
the internal thread metal sleeve is pre-buried in going up the internal thread connects, and the external screw thread metal sleeve is pre-buried on external screw thread connects down.
5. A joint for an electric water heater according to claim 3, wherein: also comprises an internal thread metal sleeve and an external thread metal sleeve,
the internal thread metal sleeve is pre-buried in going up the internal thread connects, and the external screw thread metal sleeve is pre-buried on external screw thread connects down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122508998.4U CN216078787U (en) | 2021-10-18 | 2021-10-18 | Joint for electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122508998.4U CN216078787U (en) | 2021-10-18 | 2021-10-18 | Joint for electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216078787U true CN216078787U (en) | 2022-03-18 |
Family
ID=80639756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122508998.4U Active CN216078787U (en) | 2021-10-18 | 2021-10-18 | Joint for electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216078787U (en) |
-
2021
- 2021-10-18 CN CN202122508998.4U patent/CN216078787U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |