CN219755054U - Composite connecting pipe nut for connecting air conditioner connecting pipe - Google Patents
Composite connecting pipe nut for connecting air conditioner connecting pipe Download PDFInfo
- Publication number
- CN219755054U CN219755054U CN202321067346.4U CN202321067346U CN219755054U CN 219755054 U CN219755054 U CN 219755054U CN 202321067346 U CN202321067346 U CN 202321067346U CN 219755054 U CN219755054 U CN 219755054U
- Authority
- CN
- China
- Prior art keywords
- nut
- air conditioner
- nut main
- sealing
- main body
- 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.)
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Links
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 33
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 27
- 239000010951 brass Substances 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims 6
- 239000004411 aluminium Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a composite connecting pipe nut for connecting an air conditioner connecting pipe, which comprises a nut main body, wherein a threaded sleeve for sealing and connecting a brass joint is arranged in one end of the nut main body, a conical connecting port for sealing and connecting an aluminum pipe is arranged in the middle of the nut main body, an installation port for passing through an aluminum pipe is arranged at the other end of the nut main body, the threaded sleeve, the conical connecting port and the installation port are sequentially communicated, and a sealing ring is arranged in the nut main body.
Description
Technical Field
The utility model belongs to the technical field of nuts, and particularly relates to a composite connecting pipe nut for connecting an air conditioner connecting pipe.
Background
At present, copper pipes are adopted at the joints of the indoor units and the outdoor units of the air conditioner, after the two ends of each copper pipe are flared, the copper pipes are respectively matched with brass connecting pipe nuts and are directly connected to brass joints of the indoor units and the outdoor units of the air conditioner, so that refrigerant in the air conditioner can circularly run on the indoor units and the outdoor units in a closed loop manner, and the refrigerating and heating effects are achieved.
Because the red copper connecting pipe has high cost, people think of using aluminum pipes, galvanized aluminum pipes, spray-coated aluminum pipes and film-coated aluminum pipes to replace the red copper pipes, thereby saving resources, reducing cost and protecting environment. However, when the aluminum connecting pipe is adopted to replace the red copper connecting pipe, if the brass connecting pipe nut in the original state is adopted to be screwed, when the conical surfaces of the aluminum connecting pipe and the brass connector are tightly attached to form hard seal, the cavity of the connecting pipe nut is not in a sealed state, but is communicated with the outside air, so that external moisture easily enters the nut. In addition, because a certain potential difference exists between the copper and the aluminum, electrolytic corrosion can be generated in a humid environment, so that the connecting position or the pipeline material is corroded, the refrigerant leaks, and the air conditioning system cannot operate.
Disclosure of Invention
The utility model aims to solve the problems in the background technology and provides a composite connecting pipe nut for connecting an air conditioner connecting pipe.
In order to achieve the above purpose, the utility model provides a composite connecting pipe nut for connecting an air conditioner connecting pipe, which comprises a nut main body, wherein a threaded sleeve for sealing and connecting a brass joint is arranged in one end of the nut main body, a conical connecting port for sealing and connecting an aluminum pipe is arranged in the middle of the nut main body, an installation port for passing through an aluminum pipe is arranged at the other end of the nut main body, the threaded sleeve, the conical connecting port and the installation port are sequentially communicated, and a sealing ring is arranged in the nut main body.
Preferably, the thread sleeve is a red copper thread sleeve.
Preferably, the thread bush is welded inside the nut body.
Preferably, a sealing cavity is formed inside the nut body after the nut body is in sealing connection with the brass joint and the aluminum pipe.
Preferably, a seal ring groove for installing a seal ring is provided in the nut body between the threaded sleeve and the tapered connection port.
Preferably, a seal ring groove for installing a seal ring is provided in the nut body between the tapered connection port and the installation port.
Preferably, the nut body is made of stainless steel.
The utility model has the beneficial effects that: according to the utility model, the threaded sleeve, the conical connecting port and the mounting port which are mutually communicated are sequentially arranged on the nut main body from left to right, the sealing ring is arranged in the nut main body, after the brass connector is in threaded connection with the threaded sleeve, the conical surface at the front end of the brass connector is tightly attached to the conical inner hole of the aluminum pipe to realize hard sealing, the conical outer side surface of the aluminum pipe is tightly attached to the conical connecting port, and the sealing ring plays a role in soft sealing the nut main body, the brass connector and the aluminum pipe after the nut main body, the brass connector and the aluminum pipe are connected, so that external moisture cannot enter, electrolytic corrosion is avoided, the whole assembly and disassembly are convenient, the aluminum pipe can be better promoted to replace a red copper connecting pipe, environmental pollution is reduced, and the use cost is reduced, and the nut is suitable for connecting air conditioner connecting pipes made of copper-aluminum dissimilar materials.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a nut body according to an embodiment of the present utility model.
Fig. 2 is a front cross-sectional view of a nut body according to an embodiment of the present utility model.
Fig. 3 is a schematic view of the structure of an aluminum pipe according to an embodiment of the utility model.
Fig. 4 is a schematic view of a brass joint in accordance with an embodiment of the present utility model.
In the figure: 1-nut body, 2-thread bush, 3-brass joint, 4-aluminum pipe, 5-sealing washer, 6-toper connector, 7-installation mouth.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put in use of the product of this application, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The present utility model will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, this embodiment provides a compound take-over nut for connecting air conditioner connecting pipe, including nut main part 1, the inside threaded sleeve 2 that is equipped with sealing connection brass joint 3 usefulness of one end of nut main part 1, the inside toper connector 6 that is equipped with sealing connection aluminum pipe 4 usefulness in nut main part 1 middle part, the other end of nut main part 1 supplies the installing port 7 that aluminum pipe 4 passed, threaded sleeve 2, toper connector 6, installing port 7 communicate in proper order, nut main part 1 inside is equipped with sealing washer 5, sealing washer 5 is the O shape sealing washer, threaded sleeve 2 and brass joint 3 threaded connection, the toper lateral surface of aluminum pipe 4 is hugged closely toper connector 6 inner wall and brass joint 3's head external cone and the toper hole compression seal of aluminum pipe 4, form hard seal, the quantity size of sealing washer 5 can be according to the clearance adjustment between nut main part 1 and brass joint 3, aluminum pipe 4.
The thread bush 2 is a red copper thread bush, so that the thread bush 2 is tightly meshed with the thread of the brass joint 3, the tightness is better, the expansion coefficient of the material of the red copper thread bush and the expansion coefficient of the material of the brass joint 2 are relatively close, and the connection tightness can be ensured under the condition of being heated or heated.
The thread bush 2 is welded inside the nut main body 1, so that the thread bush 2 is fixed with the nut main body 1, the integral connection strength is improved, and looseness of the brass joint 3 in the installation process is avoided.
The nut body 1 is formed with a sealing cavity inside the nut body 1 after being in sealing connection with the brass connector 3 and the aluminum pipe 4, so that the integral connection tightness is good, and external moisture is prevented from entering.
The inside sealing washer groove that is equipped with installation sealing washer 5 usefulness of nut main part 1 that is located between thread bush 2 and the toper connector 6 makes things convenient for the spacing installation of sealing washer 5, is difficult for taking place not hard up after the installation.
The inside sealing washer groove that is equipped with installation sealing washer 5 usefulness of nut main part that is located between toper connector 6 and the installation mouth 7 makes things convenient for the spacing installation of sealing washer 5, difficult emergence of installation back is become flexible.
The nut main body 1 is made of stainless steel, is not easy to rust, has low production cost, and can be made of other metal materials under the condition of meeting the strength sealing property.
The working process of the utility model comprises the following steps:
this compound take over nut that connects air conditioner connecting tube is in the course of the work, during the installation, pass the installing port 7 of nut main part 1 with aluminum pipe 4, the toper lateral surface of aluminum pipe 4 is hugged closely at toper connector 6, with brass joint 3 and thread bush 2 threaded connection and make the toper end of brass joint 3 insert the toper hole of aluminum pipe 4 and hug closely the hard seal that forms the conical surface, accomplish the sealed installation of brass joint 3, nut main part 1 and aluminum pipe 4, during the use, nut main part 1 is inside sealed completely, outside moisture can't get into for can not produce electrolytic corrosion between brass joint 3 front end conical surface and the aluminum pipe 4.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a compound takeover nut for connecting air conditioner connecting tube which characterized in that: including the nut main part, the inside threaded sleeve that is equipped with sealing connection brass joint usefulness of one end of nut main part, the inside toper connector that is equipped with sealing connection aluminium tube in nut main part middle part, the other end of nut main part supplies the installing port that the aluminum pipe passed, threaded sleeve, toper connector, installing port communicate in proper order, the inside sealing washer that is equipped with of nut main part.
2. The composite nipple nut for connecting an air conditioner connecting tube as defined in claim 1, wherein: the thread sleeve is a red copper thread sleeve.
3. The composite nipple nut for connecting an air conditioner connection pipe according to claim 1 or 2, wherein: the thread bush is welded inside the nut main body.
4. The composite nipple nut for connecting an air conditioner connecting tube as defined in claim 1, wherein: and a sealing cavity is formed in the nut body after the nut body is in sealing connection with the brass joint and the aluminum pipe.
5. The composite nipple nut for connecting an air conditioner connecting tube as defined in claim 1, wherein: and a sealing ring groove for installing a sealing ring is arranged in the nut main body positioned between the threaded sleeve and the conical connecting port.
6. The composite nipple nut for connecting an air conditioner connecting tube according to claim 1 or 5, wherein: and a sealing ring groove for installing a sealing ring is arranged in the nut main body positioned between the conical connecting port and the installing port.
7. The composite nipple nut for connecting an air conditioner connecting tube as defined in claim 1, wherein: the nut body is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321067346.4U CN219755054U (en) | 2023-05-04 | 2023-05-04 | Composite connecting pipe nut for connecting air conditioner connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321067346.4U CN219755054U (en) | 2023-05-04 | 2023-05-04 | Composite connecting pipe nut for connecting air conditioner connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755054U true CN219755054U (en) | 2023-09-26 |
Family
ID=88086018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321067346.4U Active CN219755054U (en) | 2023-05-04 | 2023-05-04 | Composite connecting pipe nut for connecting air conditioner connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755054U (en) |
-
2023
- 2023-05-04 CN CN202321067346.4U patent/CN219755054U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |