CN116972242A - Connecting device, lengthening equipment and lengthening method for connecting pipe of air conditioner - Google Patents
Connecting device, lengthening equipment and lengthening method for connecting pipe of air conditioner Download PDFInfo
- Publication number
- CN116972242A CN116972242A CN202210424361.3A CN202210424361A CN116972242A CN 116972242 A CN116972242 A CN 116972242A CN 202210424361 A CN202210424361 A CN 202210424361A CN 116972242 A CN116972242 A CN 116972242A
- Authority
- CN
- China
- Prior art keywords
- pipe
- air conditioner
- copper pipe
- copper
- nut
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 116
- 229910052802 copper Inorganic materials 0.000 claims abstract description 116
- 239000010949 copper Substances 0.000 claims abstract description 116
- 238000003466 welding Methods 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/02—Welded joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
Abstract
The application relates to the technical field of air conditioner installation, in particular to a connecting device, lengthening equipment of an air conditioner connecting pipe and a lengthening method. A connection device comprising: a connector, a nut, and a dust guard. The connector comprises a body, wherein one end of the body is connected with a welding copper pipe, the other end of the body is connected with a connecting pipe, the inner diameter of the welding copper pipe is larger than that of the body, and the connecting pipe is provided with external threads. The nut is connected with the external thread of the connecting pipe. The dustproof piece seals the port of the welding copper pipe. The connecting device has the following advantages: the welding between extension copper pipe and the connecting device is convenient for, and the former connecting pipe of connecting device and air conditioner is connected through the nut between, avoids leading to near spare part such as burn protection spring, single joint because of welded connection, fastens extension copper pipe section when convenient to install, prevents to reveal.
Description
Technical Field
The application relates to the technical field of air conditioner installation, in particular to a connecting device, lengthening equipment of an air conditioner connecting pipe and a lengthening method.
Background
Air conditioners have become one of the indispensable electrical devices for life and work of people. When the air conditioner is installed, the installation position of the indoor unit is required to be installed at a proper position according to the requirements of customers, and the patterns of rooms are different, so that the distance between the indoor unit and the outdoor unit is not determined. The existing connecting pipes are mainly made of copper, aluminum, steel and the like, are fixed in length when leaving the factory, are timely installed with air conditioners, and are required to be lengthened according to actual installation scenes, and copper pipes are usually used for the lengthened sections. The usual lengthening methods are mainly as follows:
1. cutting off the original connecting pipe, flaring the two ends of the lengthened copper pipe section, inserting the flaring part into the original connecting pipe, and then welding, wherein the defect is that when the original connecting pipe is made of aluminum, steel and other materials, common welding equipment and conditions cannot weld the lengthened copper pipe section with the original connecting pipe;
2. cutting off inlet and outlet pipe sections of the internal machine evaporator, flaring two ends of the lengthened copper pipe section, inserting flaring parts in the original inlet and outlet pipe sections, and then welding, wherein the defects are that the length of the inlet and outlet pipe sections of the internal machine evaporator is limited, and the lengthened copper pipe section is easy to burn protection springs, single joints and other near parts when being welded after cutting off;
3. on the basis of the original connecting pipe, a section of copper connecting pipe assembly (the same as a common connecting pipe assembly comprises a section of copper pipe, two ends of the copper pipe are provided with a flared mouth and 2 copper nuts), and one end of the copper pipe assembly is connected with the original connecting pipe through a double-wire adapter. The novel after-sale mounting device has the defects that when the original connecting pipe is made of materials such as aluminum and steel, as the materials of the pipelines connected with the two ends of the double-wire adapter are different, one end is an aluminum pipe, the other end is a copper pipe, tightening forces of the different materials are different, and in the after-sale mounting operation process, the lengthened copper pipe section is easy to fasten and easy to leak.
Disclosure of Invention
In view of the above, the present application aims to provide a connecting device, which adopts a prefabricated connecting device, one end of the connecting device is a threaded connecting end, the connecting device has the same threads as a single joint of an air conditioner heater, and is provided with a nut, a pipe orifice is plugged by a port sealing cap, the other end of the connecting device is a flared welding copper pipe, the connecting device is integrally formed by copper pipes, the lengthened copper pipe with corresponding length is intercepted according to the site situation, one end of the lengthened copper pipe is welded and connected with the welding copper pipe, the other end of the lengthened copper pipe is connected with the single joint nut of the heater after site flaring, the threaded end of the connecting pipe of the air conditioner and the connecting device is connected through the nut of the single joint of the original air conditioner, the problems that welding of different materials is difficult, the lengths of inlet pipe sections and outlet pipe sections of an internal machine evaporator are limited, the nearby parts such as a protection spring and a single joint are easy to burn when the lengthened copper pipe sections are cut off, when the original connecting pipe is made of aluminum, steel and the like are easy to cause the problem that the lengthened copper pipe sections are difficult to fasten and easy to leak in the after the mounting operation process because the two ends of the connecting pipe are made of aluminum pipe and steel materials are different in materials.
In order to achieve the above purpose, the technical scheme of the application is realized as follows:
a connection device, comprising: the connector comprises a body, wherein one end of the body is connected with a welding copper pipe, the other end of the body is connected with a connecting pipe, the inner diameter of the welding copper pipe is larger than that of the body, and the connecting pipe is provided with external threads;
the nut is connected with the external thread of the connecting pipe;
and the dustproof piece is used for blocking the port of the welding copper pipe.
Furthermore, the part of the welded copper pipe connected with the body is in a taper pipe shape.
Further, the connecting device further comprises:
the port sealing cap is buckled on the port of the connecting pipe and is clamped and fixed through the nut and the connecting pipe.
Further, the connecting pipe is a copper pipe, and the nut is a copper nut.
Further, the welding copper pipe, the body and the connecting pipe are integrally formed.
An extension apparatus of a connection pipe of an air conditioner, comprising:
a connecting device according to any one of the above;
one end of the lengthened copper pipe is welded with the welded copper pipe.
Furthermore, one end of the lengthened copper pipe is inserted into the welding copper pipe for welding connection.
Further, the other end of the lengthened copper pipe is provided with a flaring pipe, and the inner diameter of the flaring pipe is larger than that of the body of the lengthened copper pipe.
A method of lengthening a connection pipe of an air conditioner, the method of lengthening a connection pipe of an air conditioner by the lengthening device of the connection pipe of an air conditioner according to any one of the above, the method comprising:
s100, cutting an extension copper pipe with a preset length, inserting a first end of the extension copper pipe into a welding pipe, welding, removing a nut, sleeving the extension copper pipe from a second end of the extension copper pipe, and flaring the second end of the extension copper pipe to form a flaring pipe;
s200, inserting a single connector of a heater of the air conditioner into a flaring pipe of the lengthened copper pipe, and connecting the single connector with the flaring pipe through a nut;
s300, inserting a connecting pipe into a port of an air conditioner pipeline, and connecting the air conditioner pipeline and the connecting pipe through a nut of the air conditioner pipeline.
Further, the welded pipe is manufactured by a flaring process at one end of the body when manufacturing the connecting device;
the flaring pipe of the lengthened copper pipe is manufactured by flaring on site after the lengthened copper pipe is intercepted at the installation site of the air conditioner.
Compared with the prior art, the connecting device provided by the application has the following advantages:
the technical scheme has the advantages that all parts of the lengthening equipment of the air conditioner connecting pipe are made of copper materials, the lengthening copper pipe is convenient to weld with the connecting device, the connecting end of the lengthening copper pipe and the heater is connected through the nut, the connecting device is connected with the original connecting pipe of the air conditioner through the nut, the phenomenon that near parts such as a burn protection spring, a single joint and the like are caused by welding connection is avoided, and the lengthening copper pipe section is fastened during convenient installation to prevent leakage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a front view of a connecting device according to an embodiment of the present application;
FIG. 2 is an exploded view of a connection device according to an embodiment of the present application;
fig. 3 is a front view of an extension device of a connection pipe of an air conditioner according to an embodiment of the present application.
Reference numerals illustrate:
100-connecting device, 110-connector, 111-body, 112-welded copper pipe, 113-connecting pipe, 120-nut, 130-dust-proof piece, 140-port sealing cap, 200-lengthened copper pipe, 300-single joint, 400-air conditioner pipeline.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The description of "first," "second," "upper," "lower," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or the number of technical features indicated. Thus, a feature defining "first", "second", "upper", "lower" may include at least one such feature, either explicitly or implicitly. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the combination between the embodiments, and all the technical solutions are within the scope of protection claimed by the present application.
The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 and 2, a connecting device includes: a connector 110, a nut 120, and a dust guard 130. The connector 110 includes a body 111, a welded copper pipe 112 is connected to one end of the body 111, the other end is connected to a connection pipe 113, the inner diameter of the welded copper pipe 112 is larger than the inner diameter of the body 111, and the connection pipe 113 has an external thread. The nut 120 is externally screw-coupled to the connection pipe 113. A dust guard 130 seals off the port of the welded copper tube 112.
The heater of the air conditioner and the air conditioner pipe are connected through the connector 110 to lengthen the length of the pipe between the indoor unit and the outdoor unit. The welded copper pipe 112 of the connector 110 is made of copper material, and when the length of the body 111 is enough to satisfy the distance between the indoor unit and the outdoor unit, the effect of lengthening the pipe can be achieved only by the connection means. At this time, the welded copper pipe 112 and the heater of the air conditioner are connected by the nut 120. When the connecting pipe 113 is connected to the pipe of the original air conditioner, it is connected to the nut of the heater single joint. The connecting device 100 is connected with the connecting end of the heater through the nut 120, the original connecting pipe of the connecting device 100 and the air conditioner is connected through the nut of the air conditioner, the close parts such as a burn protection spring, a single joint and the like caused by welding connection are avoided, and the lengthened copper pipe section is fastened during convenient installation to prevent leakage. After the connection device 100 is manufactured, in order to prevent dust from entering the body 111 during shipment to use, the port of the welded copper tube 112 is sealed by the dust-proof member 130. Preferably, the dust guard 130 may be tightly plugged into the bore of the weld copper tube 112.
Specifically, the welded copper pipe 112 is tapered at a portion connected to the main body 111.
When the single joint of the heater is connected with the welded copper pipe 112, a sealing structure is formed between the conical part of the conical pipe and the single joint.
Further, the connecting device further comprises: the port sealing cap 140 is fastened to the port of the connecting pipe 113, and is clamped and fixed by the nut 120 and the connecting pipe 113.
After the port sealing cap 140 is buckled on the port of the connecting pipe 113, the nut 120 is screwed on the connecting pipe 113, and the port sealing cap 140 is clamped by the nut 120 and the port of the connecting pipe 113, so that the body 111 is sealed, and the cleaning in the pipe of the body 111 is further ensured.
Further, in the above-mentioned connection device, the connection pipe 113 is a copper pipe, and the nut 120 is a copper nut.
The connection pipe 113 and the nut 120 are made of copper materials, and maintain the same tightening force, so that leakage is prevented.
Further, the welded copper pipe 112, the body 111 and the connection pipe 113 are integrally formed.
The connector 110 is integrally formed, is easy to process, and can ensure an overall telescopic force. The welded copper tube 112 is a flared end of the connector, can be machined in advance when manufacturing the connection device, has better machining quality than when being installed on site, and can save installation time.
An extension apparatus of a connection pipe of an air conditioner, comprising:
a connection device 100 and an elongated copper tube 200. The connection device 100 is the connection device 100 described in any one of the above. One end of the extension copper tube 200 is welded to the weld copper tube 112.
On the basis of the connecting device 100, the extension copper pipe 200 is additionally arranged, so that the length of the extension copper pipe 200 can be set at will according to the distance between the indoor unit and the outdoor unit, and various distances and installation requirements can be met. The lengthened copper pipe and the connecting device are made of the same material, and are easy to weld and connect.
Further, one end of the extension copper pipe 200 is inserted into the welding copper pipe 112 to be welded.
The lengthened copper pipe 200 is inserted into the flaring and then welded, the lengthened copper pipe 200 and the taper pipe part of the welded copper pipe 112 form a good sealing structure, and the sealing effect in the pipe can be further ensured on the basis of welding.
Further, a flared tube is provided at the other end of the extension copper tube 200, and the inner diameter of the flared tube is larger than the inner diameter of the body of the extension copper tube 200.
Likewise, the connection end of the lengthened copper tube 200 with the single joint of the heater is also made into a taper tube shape, so that the tightness is ensured.
A method of lengthening a connection pipe of an air conditioner, the method of lengthening a connection pipe of an air conditioner by the lengthening device of the connection pipe of an air conditioner according to any one of the above, the method comprising:
s100, cutting an extension copper pipe with a preset length, inserting a first end of the extension copper pipe into a welding pipe, welding, removing a nut, sleeving the extension copper pipe from a second end of the extension copper pipe, and flaring the second end of the extension copper pipe to form a flaring pipe; the flaring pipe of the lengthened copper pipe is manufactured by flaring on site after the lengthened copper pipe is intercepted at the installation site of the air conditioner. The welded pipe is manufactured by a flaring process at one end of the body when manufacturing the connection device.
S200, inserting a single connector of a heater of the air conditioner into a flaring pipe of the lengthened copper pipe, and connecting the single connector with the flaring pipe through a nut;
s300, inserting a connecting pipe into a port of an air conditioner pipeline, and connecting the air conditioner pipeline and the connecting pipe through a nut of the air conditioner pipeline.
All parts of lengthening equipment of the air conditioner connecting pipe are made of copper materials, welding between a lengthening copper pipe and a connecting device is facilitated, the connecting end of the lengthening copper pipe and a heater is connected through a nut, the connecting device is connected with an original connecting pipe of the air conditioner through the nut, the phenomenon that near parts such as a burn protection spring, a single joint and the like are caused by welding connection is avoided, and the lengthening copper pipe section is fastened during installation to prevent leakage.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A connection device, comprising:
the connector (110) comprises a body (111), wherein one end of the body (111) is connected with a welding copper pipe (112), the other end of the body is connected with a connecting pipe (113), the inner diameter of the welding copper pipe (112) is larger than the inner diameter of the body (111), and the connecting pipe (113) is provided with external threads;
a nut (120) connected to the external thread of the connection pipe (113);
a dust guard (130) to block the port of the welded copper tube (112).
2. The connection device according to claim 1, wherein,
the part of the welding copper pipe (112) connected with the main body (111) is in a taper pipe shape.
3. The connection device of claim 1, further comprising:
the port sealing cap (140) is buckled on the port of the connecting pipe (113) and is clamped and fixed by the nut (120) and the connecting pipe (113).
4. The connection device according to claim 1, wherein,
the connecting pipe (113) is a copper pipe;
the nut (120) is a copper nut.
5. The connection device according to any one of claims 1 to 4, wherein,
the welding copper pipe (112), the body (111) and the connecting pipe (113) are integrally formed.
6. An extension apparatus for connecting pipes of an air conditioner, comprising:
-a connection device (100) being a connection device (100) according to any one of claims 1 to 5; one end of the lengthened copper pipe (200) is welded with the welding copper pipe (112).
7. The extension device of air conditioner connection pipe according to claim 6, wherein,
one end of the lengthened copper pipe (200) is inserted into the welding copper pipe for welding connection (112).
8. The extension device of air conditioner connection pipe according to claim 7, wherein,
the other end of the lengthened copper pipe (200) is provided with a flaring pipe, and the inner diameter of the flaring pipe is larger than that of the body of the lengthened copper pipe (200).
9. A method of lengthening a connection pipe of an air conditioner, characterized by lengthening a connection pipe of an air conditioner by a lengthening device of a connection pipe of an air conditioner according to any one of claims 6 to 8, comprising:
s100, cutting an extension copper pipe with a preset length, inserting a first end of the extension copper pipe into a welding pipe, welding, removing a nut, sleeving the extension copper pipe from a second end of the extension copper pipe, and flaring the second end of the extension copper pipe to form a flaring pipe;
s200, inserting a single connector of a heater of the air conditioner into a flaring pipe of the lengthened copper pipe, and connecting the single connector with the flaring pipe through a nut;
s300, inserting a connecting pipe into a port of an air conditioner pipeline, and connecting the air conditioner pipeline and the connecting pipe through a nut of the air conditioner pipeline.
10. The method for lengthening a connection pipe of an air conditioner according to claim 8, wherein the welded pipe is manufactured by a flaring process at one end of the body when manufacturing the connection device;
the flaring pipe of the lengthened copper pipe is manufactured by flaring on site after the lengthened copper pipe is intercepted at the installation site of the air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210424361.3A CN116972242A (en) | 2022-04-21 | 2022-04-21 | Connecting device, lengthening equipment and lengthening method for connecting pipe of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210424361.3A CN116972242A (en) | 2022-04-21 | 2022-04-21 | Connecting device, lengthening equipment and lengthening method for connecting pipe of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116972242A true CN116972242A (en) | 2023-10-31 |
Family
ID=88480143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210424361.3A Pending CN116972242A (en) | 2022-04-21 | 2022-04-21 | Connecting device, lengthening equipment and lengthening method for connecting pipe of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116972242A (en) |
-
2022
- 2022-04-21 CN CN202210424361.3A patent/CN116972242A/en active Pending
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