CN215060211U - Fastening nut of refrigeration and water heating system - Google Patents
Fastening nut of refrigeration and water heating system Download PDFInfo
- Publication number
- CN215060211U CN215060211U CN202121770336.8U CN202121770336U CN215060211U CN 215060211 U CN215060211 U CN 215060211U CN 202121770336 U CN202121770336 U CN 202121770336U CN 215060211 U CN215060211 U CN 215060211U
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- circular
- heating system
- water heating
- fastening nut
- tube seat
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Abstract
A fastening nut of a refrigeration and water heating system comprises a body made of a copper material, wherein the body comprises a pipe seat part, a body part, a circular pipe cavity arranged in the pipe seat part, an annular groove and an internal thread cavity part arranged in the body part, and an inclined shoulder part arranged at the junction of the circular pipe cavity and the annular groove, and the outer surface of the pipe seat part is cylindrical or inverted conical frustum-shaped; the outer circumferential surface of the body part is provided with a polygonal part for rotating the rotating tool at one end adjacent to the tube seat part, and the suspended end is provided with a circular part or a cone frustum part. The body part is provided with the polygonal part and the circular part, and the arrangement of the circular part reduces the consumption of copper materials and reduces the cost; the tightening torque is maintained.
Description
Technical Field
The utility model relates to a fastening nut that air conditioner refrigerating system and hot-water heating system used.
Background
In the prior art, as shown in fig. 1, a fastening nut for a refrigeration and water heating system comprises a body 1 made of copper material, the body 1 comprises a tube seat portion 11, a body portion 12, a circular tube cavity 111 arranged in the tube seat portion, an annular groove 121 and an internal thread cavity portion 122 arranged in the body portion, and an inclined shoulder portion 13 arranged at the junction of the circular tube cavity and the annular groove, and the outer circumferential surface of the body portion 12 is hexagonal. There are problems in that: the body part has large thickness and volume, the consumption of copper materials is large, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the fastening nut for the refrigeration and water heating system has the advantages of reducing the consumption of copper materials and being low in cost.
The utility model discloses a realize like this: the utility model provides a fastening nut of refrigeration and hot-water heating system, includes the body that the copper product material was made, the body includes tube seat portion, somatic part, establishes the circular lumen in tube seat portion, establishes annular groove and the interior screw thread chamber portion in the somatic part and establishes the oblique shoulder at circular lumen and annular groove juncture, and its special character lies in: the outer surface of the tube seat part is cylindrical or inverted cone frustum-shaped;
the outer circumferential surface of the body part is provided with a polygonal part for rotating the rotating tool at one end adjacent to the tube seat part, and the suspended end is provided with a circular part or a cone frustum part.
The fastening nut of the refrigeration and water heating system is characterized in that: the polygonal part is hexagonal.
The utility model relates to a fastening nut of a refrigeration and water heating system, a body part is provided with a polygonal part and a circular part, and the arrangement of the circular part reduces the consumption of copper materials and the cost; the tightening torque is maintained.
Drawings
Fig. 1 is a cross-sectional view of the prior art.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a valve application diagram of the indoor unit and the outdoor unit of the air conditioner of the present invention.
Figure 4 is the utility model discloses water heating system application diagram.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 2, a fastening nut for a refrigerating and water heating system comprises a body 1 made of copper material, the body 1 comprises a socket part 11, a body part 12, a circular tube cavity 111 arranged in the socket part, an annular groove 121 and an internal thread cavity part 122 arranged in the body part, and an inclined shoulder part 13 arranged at the junction of the circular tube cavity and the annular groove;
the outer surface of the tube seat part 11 is cylindrical, or the outer surface of the tube seat part 11 is in an inverted cone frustum shape, and by adopting the shape, the consumption of copper materials can be reduced, and the cost is reduced;
one end of the outer circumferential surface of the body part 12, which is adjacent to the tube seat part 11, is provided with a multi-prismatic part 123 for rotating a rotating tool, and the suspended end is provided with a circular part or a cone frustum-shaped part 124;
when the suspension end is provided with the cone frustum-shaped part, the top round end is connected with the polygonal part. Compared with the prior art, the local thickness of the body part 12 is reduced, the consumption of copper materials is reduced, and the cost is reduced; but still maintain the inherent tightening torque and the performance remains unchanged.
The polygonal part 123 is hexagonal.
When the utility model is used, as shown in fig. 3, the outdoor unit 2, the connecting pipe 3, the valve 4 and the indoor unit 5; the end of the connecting pipe 3 is provided with a flared part 31;
the connection pipe 3 is inserted through the circular tube cavity 111 of the stem part 11 of the main part 1, the flared part 31 is attached to the inclined shoulder part 13, the male connector 41 of the valve 4 is screwed into the female cavity 122 of the main part, and the end of the male connector 41 is attached to the flared part 31.
As shown in fig. 4, the system connector 6, the pipe body 3; the pipe body 3 is inserted through the circular tube cavity 111 of the pipe seat portion 11, the flared portion 31 is fitted to the inclined shoulder portion 13, the female screw cavity 122 is screwed to the system joint 6, and the end portion of the system joint is pressed against the flared portion 31.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (2)
1. The utility model provides a fastening nut of refrigeration and hot-water heating system, includes the body that the copper product material was made, the body includes tube seat portion, somatic part, establishes the circular lumen in tube seat portion, establishes annular groove and the interior screw cavity portion in the somatic part and establishes the oblique shoulder at circular lumen and annular groove juncture, its characterized in that: the outer surface of the tube seat part is cylindrical or inverted cone frustum-shaped;
the outer circumferential surface of the body part is provided with a polygonal part for rotating the rotating tool at one end adjacent to the tube seat part, and the suspended end is provided with a circular part or a cone frustum part.
2. A fastening nut of a refrigerating and water heating system according to claim 1, wherein: the polygonal part is hexagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121770336.8U CN215060211U (en) | 2021-07-30 | 2021-07-30 | Fastening nut of refrigeration and water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121770336.8U CN215060211U (en) | 2021-07-30 | 2021-07-30 | Fastening nut of refrigeration and water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215060211U true CN215060211U (en) | 2021-12-07 |
Family
ID=79219979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121770336.8U Active CN215060211U (en) | 2021-07-30 | 2021-07-30 | Fastening nut of refrigeration and water heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215060211U (en) |
-
2021
- 2021-07-30 CN CN202121770336.8U patent/CN215060211U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |