CN216592174U

CN216592174U - Pipeline device and air conditioner with same

Info

Publication number: CN216592174U
Application number: CN202123456008.3U
Authority: CN
Inventors: 任常宝
Original assignee: GD Midea Heating and Ventilating Equipment Co Ltd; Hefei Midea Heating and Ventilating Equipment Co Ltd
Current assignee: GD Midea Heating and Ventilating Equipment Co Ltd; Hefei Midea Heating and Ventilating Equipment Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-24
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a pipeline device and have its air conditioner. The piping device includes: the end part of the first pipeline component is provided with an annular groove with one open end and the other closed end; a second conduit component welded to the outer and/or inner circumferential wall of the annular groove and having a weld area axially corresponding to the annular groove. According to the utility model discloses a pipeline device through setting up the annular groove that corresponds with welding area, can guarantee that the unnecessary solder of welding area department can drip the annular groove, prevents that the solder from further dripping to the inside spare part of first pipeline subassembly on to the card that further prevents the inside spare part of first pipeline subassembly is dead or produces the abnormal sound.

Description

Pipeline device and air conditioner with same

Technical Field

The utility model relates to a tube coupling technical field particularly, relates to a piping installation and have its air conditioner.

Background

The steel pipeline has low heat conductivity and higher heat preservation coefficient than the copper pipeline, and can improve the energy efficiency of the air conditioning system when being applied to the air conditioning system. In order to ensure the feasibility and convenience of on-site welding, a copper sleeve is generally added at the joint of a steel pipeline, but when the steel pipeline is connected with the copper sleeve, flame brazing welding flux is not adhered to the steel pipeline, in the welding stage, although the copper sleeve is added at the joint of the steel pipeline, because the heat conductivity of the steel pipeline is low, the heat dissipation effect is slower than that of the copper pipeline, the temperature of the joint of the copper sleeve and the steel pipeline is higher during welding, redundant welding flux is not easy to solidify, the permeable position is too long, and the copper sleeve is difficult to attach to the inner wall of the steel pipeline, the copper sleeve can easily flow into a system along the pipe wall of the steel pipeline, and damage is caused to the system.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides a pipeline device to avoid the solder to slide along the pipeline inner wall.

The utility model also provides an air conditioner of having above-mentioned pipe device.

According to the utility model discloses pipeline device includes: the end part of the first pipeline component is provided with an annular groove with one open end and the other closed end; a second conduit component welded to the outer and/or inner circumferential wall of the annular groove and having a weld area axially corresponding to the annular groove.

According to the utility model discloses pipe device through setting up the annular groove that corresponds with welding area, can guarantee that the unnecessary solder of welding area department can drip the annular groove, prevents that the solder from further dripping to the inside spare part of first pipeline subassembly on to the card that further prevents the inside spare part of first pipeline subassembly is dead or produces the abnormal sound.

According to some embodiments of the invention, the second pipe assembly is partially inserted into the annular groove.

Optionally, an end face of the second pipe assembly inserted into the annular groove is spaced apart from the closed end of the annular groove.

Optionally, the portion of the second pipe assembly inserted into the annular groove is clearance fitted with the annular groove.

Further, the second pipe assembly is welded to the outer circumferential wall and spaced apart from the inner circumferential wall.

According to some embodiments of the invention, the first pipe assembly comprises: the pipeline joint comprises a first pipeline, an outer connecting sleeve and an inner connecting sleeve, wherein the inner connecting sleeve is attached to the inner wall surface of the first pipeline, the outer connecting sleeve is attached to the outer wall surface of the first pipeline, and the first pipeline, the outer connecting sleeve and the inner connecting sleeve jointly define an annular groove; wherein the outer connecting sleeve constitutes the outer peripheral wall, the inner connecting sleeve constitutes the inner peripheral wall.

Furthermore, the first pipeline and the outer connecting sleeve as well as the first pipeline and the inner connecting sleeve are fixed by welding.

According to some embodiments of the utility model, the outer joint sleeve stretches out the length of the terminal surface of first pipeline is greater than the inner joint sleeve stretches out the length of the terminal surface of first pipeline, and the second pipeline subassembly with outer joint sleeve welded fastening.

According to some embodiments of the utility model, the outer adapter sleeve with the laminating fixed length of first pipeline is greater than the inner adapter sleeve with the laminating fixed length of first pipeline.

According to some embodiments of the invention, the first pipe assembly comprises: first pipeline and outer adapter sleeve, outer adapter sleeve pastes and establishes the outer wall surface of first pipeline, first pipeline includes: the pipe comprises a first pipe body and an inner peripheral wall integrally formed on the end face of the first pipe body, wherein the inner peripheral wall is formed by cutting the first pipe, the outer connecting sleeve forms the outer peripheral wall, and the first pipe, the outer connecting sleeve and the inner peripheral wall jointly define the annular groove.

Further, an inner wall surface of the inner circumferential wall is flush with an inner wall surface of the first pipe body, and an outer wall surface of the inner circumferential wall is inside an outer wall surface of the first pipe body.

According to some embodiments of the utility model, the outer adapter sleeve stretches out the length of the terminal surface of first pipeline body is greater than the interior perisporium stretches out the length of the terminal surface of first pipeline body, and the second pipeline subassembly with outer adapter sleeve welded fastening.

According to some embodiments of the utility model, the outer adapter sleeve is provided with positioner, being close to of second pipeline subassembly an end portion of first pipeline subassembly ends positioner.

According to some embodiments of the invention, the first pipe assembly comprises: first pipeline and internal connection cover, the internal connection cover paste establish the internal face of first pipeline, first pipeline includes: a first tube body and the outer peripheral wall integrally formed at an end face of the first tube body, wherein the outer peripheral wall is formed by cutting the first tube, and the inner connection sleeve constitutes the inner peripheral wall, the first tube, the inner connection sleeve, and the outer peripheral wall collectively defining the annular groove.

Further, an outer wall surface of the outer peripheral wall is flush with an outer wall surface of the first pipe body, and an inner wall surface of the outer peripheral wall is outside the inner wall surface of the first pipe body.

Optionally, the length of the outer peripheral wall extending out of the end face of the first pipeline body is smaller than the length of the inner connecting sleeve extending out of the end face of the first pipeline body, and the second pipeline assembly is welded and fixed with the inner connecting sleeve.

According to the utility model discloses a few embodiments, the internal connection cover is provided with positioner, being close to of second pipeline subassembly the one end tip of first pipeline subassembly ends positioner.

According to some embodiments of the invention, the material of the first pipe component comprises iron or copper and the material of the second pipe component comprises copper.

According to another aspect of the present invention, an air conditioner includes the above-mentioned pipe device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic view of a pipeline apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of a pipeline apparatus according to another embodiment of the present invention;

fig. 3 is a schematic view of a pipeline apparatus according to yet another embodiment of the present invention;

fig. 4 is a schematic view of a pipeline apparatus according to yet another embodiment of the present invention.

Reference numerals:

the pipeline device comprises a pipeline device 10, a first pipeline component 1, a first pipeline 11, a first pipeline body 111, an inner peripheral wall 112, an outer connecting sleeve 12, an inner connecting sleeve 13, a second pipeline component 2, an annular groove 3, a positioning device 4 and a welding area 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically, electrically or otherwise in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

A pipeline apparatus 10 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 4.

Referring to fig. 1 to 4, a pipe device 10 according to an embodiment of the present invention may include: a first pipeline assembly 1 and a second pipeline assembly 2.

Wherein, the tip of first pipeline subassembly 1 is formed with annular groove 3, and annular groove 3's one end is opened, and the other end of annular groove 3 is sealed.

In some embodiments, as shown in fig. 1-3, the second manifold assembly 2 is adapted to be welded to the peripheral wall 113 of the annular recess 3.

In other embodiments, as shown in fig. 4, the second pipe assembly 2 is adapted to be welded to the inner peripheral wall 112 of the annular recess 3.

In other embodiments, the second conduit assembly 2 is adapted to be welded to both the outer peripheral wall 113 and the inner peripheral wall 112 of the annular recess 3.

The welding area 5 and the annular groove 3 are axially corresponding to each other so as to collect solder dropped from the welding area 5 during welding, in other words, the annular groove 3 is opposite to the welding area 5, and when a welding gun performs a welding operation in the welding area 5, the excess solder at the welding area 5 is dropped into the annular groove 3, so that the solder is prevented from further dropping onto parts inside the first pipeline assembly 1, and the inside of the pipeline device 10 can be ensured to be relatively clean. Meanwhile, the phenomenon that redundant solder enters a system pipeline to form flash and damage the system can be avoided.

The second pipe assembly 2 and the first pipe assembly 1 extend in the same direction, and the extending direction is not limited to the horizontal direction shown in fig. 1 to 4, and may also extend in the vertical direction, for example. In some embodiments, the second pipe assembly 2 may be positioned above the first pipe assembly 1 such that the welding area 5 of the second pipe assembly 2 to the first pipe assembly 1 is positioned above the annular groove 3, facilitating the annular groove 3 to collect excess solder that falls from the welding area 5.

According to the utility model discloses pipe device 10, through setting up the annular groove 3 that corresponds with welding area 5, can guarantee that welding area 5 locates unnecessary solder and can drip annular groove 3, and can condense in annular groove 3, prevent that the solder from further dripping to the spare part of first pipeline subassembly 1 inside, thereby further prevent that the card of the inside spare part of first pipeline subassembly from dying or producing the abnormal sound, the welding degree of difficulty of second pipeline subassembly 2 with first pipeline subassembly 1 has been reduced simultaneously, pipeline fracture risk has been reduced and the risk of revealing.

In some embodiments of the present invention, a portion of the second pipe assembly 2 is inserted into the annular groove 3. Referring to fig. 1, the left portion of the second pipe assembly 2 extends into the annular recess 3.

In some embodiments, referring to fig. 1, the end surface of the second pipe assembly 2 protruding into the annular groove 3 (i.e., the left end of the second pipe assembly 2 in fig. 1) is spaced apart from the closed end of the annular groove 3 (i.e., the left end of the annular groove 3 in fig. 1), thereby ensuring that there is enough space left in the annular groove 3 to receive excess solder falling from the soldering region 5. The blind end of annular groove 3 can form the location, and the welding depth of the continuous pipeline of effective control guarantees welding depth, reduces and reveals the risk.

Referring to fig. 1, the annular groove 3 has a width W1, and W1 is equal to or greater than the wall thickness of the left end of the second conduit assembly 2, thereby facilitating the extension of the left end of the second conduit assembly 2 into the annular groove 3. The depth of the annular groove 3 is D2, and the distance between the left end face of the second line component 2 and the left end of the annular groove 3 is D1.

Optionally, the part of the second pipeline assembly 2 extending into the annular groove 3 is a fitting section, and a clearance fit is formed between the fitting section and the annular groove 3. Referring to FIG. 1, the mating segments have lengths D2-D1.

Further, in some embodiments, referring to fig. 1, the second pipe assembly 2 and the outer circumferential wall of the annular groove 3 are welded and fixed, and the second pipe assembly 2 and the inner circumferential wall 112 of the annular groove 3 are spaced apart to form a gap, so as to store solder in the gap between the second pipe assembly 2 and the inner circumferential wall 112 of the annular groove 3, thereby compensating for the solder-containing capacity of the annular groove 3, and at the same time, after the solder in the gap is solidified, the connection firmness of the second pipe assembly 2 and the inner circumferential wall 112 of the annular groove 3 can be improved. In other words, the second pipe assembly 2 is directly welded and fixed with the outer peripheral wall of the annular groove 3, and is indirectly fixed with the inner peripheral wall 112 of the annular groove 3 through the solder in the gap, so that double contact is formed, and the risk of breakage of the pipe device 10 is effectively reduced.

In some embodiments of the present invention, referring to fig. 2, the first pipeline assembly 1 may include: inner connecting sleeve 13, outer connecting sleeve 12 and first pipeline 11, wherein, inner connecting sleeve 13 is located the internal face of first pipeline 11 to inner connecting sleeve 13 and first pipeline 11 laminating setting to reduce the radial dimension of first pipeline subassembly 1. The inner connecting sleeve 13 and the first pipe 11 may be welded. The outer connecting sleeve 12 is located on the outer wall surface of the first pipeline 11, and the outer connecting sleeve 12 and the first pipeline 11 are arranged in a fitting manner, so that the radial size of the first pipeline assembly 1 is further reduced.

The inner connecting sleeve 13, the outer connecting sleeve 12 and the first pipe 11 together define an annular recess 3 which can be used for collecting solder, and the inner connecting sleeve 13 forms the inner circumferential wall of the annular recess 3 and the outer connecting sleeve 12 forms the outer circumferential wall of the annular recess 3.

Further, the first pipeline 11 and the outer connecting sleeve 12 are suitable for being fixedly connected through welding, and the first pipeline 11 and the inner connecting sleeve 13 are suitable for being fixedly connected through welding.

In some embodiments of the present invention, referring to fig. 2, the length of the right end face of the outer connecting sleeve 12 extending out of the first pipeline 11 to the right is D5, the length of the right end face of the inner connecting sleeve 13 extending out of the first pipeline 11 to the right is D6, and D5 and D6 satisfy the following relations: d5 > D6. The outer connecting sleeve 12 and the second pipe assembly 2 can be fixed by welding, and the connecting area of the two is formed as a welding area 5.

Optionally, the first pipeline 11, the inner connecting sleeve 13 and the outer connecting sleeve 12 may be made of iron-containing materials such as carbon steel and stainless steel, or may be made of copper materials. The second pipeline component 2 can be a red copper pipeline, a steel pipeline, or a red copper and steel combined pipeline.

In some embodiments of the present invention, referring to fig. 2, the fixed length of the first pipeline 11 and the outer connecting sleeve 12 is D7, the fixed length of the first pipeline 11 and the inner connecting sleeve 13 is D8, and D7 and D8 satisfy the following relations: d7 > D8. Thus, the first pipeline 11 and the outer connecting sleeve 12 are connected more firmly, and after the outer connecting sleeve 12 is connected with the second pipeline component 2, the outer connecting sleeve 12 is not easy to separate from the first pipeline 11.

In some embodiments of the present invention, referring to fig. 1 and 3, the first pipeline assembly 1 may include an outer connecting sleeve 12 and a first pipeline 11, the outer connecting sleeve 12 is disposed on an outer wall surface of the first pipeline 11, and the outer connecting sleeve 12 is attached to the first pipeline 11 to reduce a radial dimension of the first pipeline assembly 1. The outer connecting sleeve 12 and the first pipeline 11 can be welded together. In the embodiment shown in fig. 1, the connection length of the external connection sleeve 12 and the first pipeline 11 is D4, D4 is more than or equal to 3mm, and optionally, D4 is 4mm, 5mm, 6mm, 8mm, and the like. In the embodiment shown in fig. 3, the connection length of the outer connecting sleeve 12 to the first pipeline 11 is D12.

The first pipeline 11 may include: a first pipe body 111 and an inner peripheral wall 112, the inner peripheral wall 112 being integrally formed on a right end face of the first pipe body 111, the inner peripheral wall 112 being formed by cutting the first pipe 11, the outer connecting sleeve 12 constituting an outer peripheral wall.

As shown in fig. 1, the outer wall surface of the first pipe 11 is cut by W1, and the remaining portion, i.e., the inner circumferential wall 112, and the connection length between the outer connection sleeve 12 and the first pipe body 111 is D4. As shown in fig. 3, the outer wall surface of the first pipe 11 is cut by W2 to a thickness, and the remaining portion, i.e., the inner circumferential wall 112, and the connection length of the outer connection sleeve 12 and the first pipe body 111 is D12. The outer connecting sleeve 12, the inner circumferential wall 112 and the first pipe 11 together define an annular recess 3.

Further, the inner wall surface of the first pipe line body 111 is flush with the inner wall surface of the inner circumferential wall 112, which facilitates simplification of the processing of the inner wall surface of the first pipe line 11.

The outer wall surface of the inner circumferential wall 112 is inside the outer wall surface of the first pipe body 111, and the unilateral difference between the outer wall surface of the inner circumferential wall 112 and the outer wall surface of the first pipe body 111 in the radial direction of the first pipe 11 is W1 or W2.

In some embodiments of the present invention, the length of the end surface of the inner peripheral wall 112 extending out of the first pipeline body 111 is less than the length of the end surface of the outer connecting sleeve 12 extending out of the first pipeline body 111. Referring to fig. 1, the length of the outer connecting sleeve 12 extending rightward from the right end face of the first pipe body 111 is D2+ D3, the length of the inner peripheral wall 112 extending rightward from the right end face of the first pipe body 111 is D2, and obviously, D2+ D3 > D2. Referring to fig. 3, the length of the outer connecting sleeve 12 extending rightward from the right end face of the first pipe body 111 is D11, and the length of the inner peripheral wall 112 extending rightward from the right end face of the first pipe body 111 is D9, which is obviously D11 > D9.

In some embodiments of the present invention, referring to fig. 1 and 3, the outer connecting sleeve 12 and the second pipeline assembly 2 can be fixed by welding, and the connecting area of the two is formed as a welding area 5.

Optionally, the first pipeline 11 and the outer connecting sleeve 12 may be made of iron-containing materials such as carbon steel and stainless steel, and may also be made of copper materials. The second pipeline component 2 can be a red copper pipeline, a steel pipeline, or a red copper and steel combined pipeline.

In some embodiments of the present invention, as shown in fig. 4, the first pipeline assembly 1 may include: inner connecting sleeve 13 and first pipeline 11, inner connecting sleeve 13 sets up at the internal wall face of first pipeline 11 to inner connecting sleeve 13 sets up with first pipeline 11 laminating, in order to reduce the radial dimension of first pipeline subassembly 1. The inner connecting sleeve 13 and the first pipe 11 may be welded. In the embodiment shown in fig. 4, the inner connecting sleeve 13 is connected to the first pipeline 11 by a length D16.

The first pipeline 11 may include: the first pipe body 111 and the outer peripheral wall 113, the outer peripheral wall 113 being integrally formed on the right end surface of the first pipe body 111, the outer peripheral wall 113 being formed by cutting the first pipe 11, and the inner joint sleeve 13 constituting the inner peripheral wall.

As shown in fig. 4, the inner wall surface of the first pipe 11 is cut by W3 to obtain the remaining portion, i.e., the outer peripheral wall 113, and the connection length between the inner joint sleeve 13 and the first pipe body 111 is D16. The inner connecting sleeve 13, the outer peripheral wall 113 and the first conduit 11 together define an annular recess 3.

Further, the outer wall surface of the first pipe body 111 is flush with the outer wall surface of the outer peripheral wall 113, which facilitates simplification of the processing of the outer wall surface of the first pipe 11. The inner wall surface of the outer peripheral wall 113 is outside the inner wall surface of the first pipe body 111, and the difference in the radial direction of the first pipe 11 between the inner wall surface of the outer peripheral wall 113 and the inner wall surface of the first pipe body 111 is W3.

Alternatively, as shown in fig. 4, the inner joint sleeve 13 projects rightward beyond the right end surface of the first pipe body 111 by a length D15, and the outer peripheral wall 113 projects rightward beyond the right end surface of the first pipe body 111 by a length D13, obviously with D15 > D13.

In some embodiments of the present invention, referring to fig. 4, the inner connecting sleeve 13 and the second pipeline assembly 2 may be fixed by welding, and the connecting area of the inner connecting sleeve and the second pipeline assembly is formed as the welding area 5.

The material of the first pipe assembly 1 comprises iron or copper and the material of the second pipe assembly 2 comprises copper. Alternatively, the first pipeline 11 and the inner connecting sleeve 13 may be made of iron-containing materials such as carbon steel and stainless steel, and may also be made of copper materials. The second pipeline component 2 can be a red copper pipeline, a steel pipeline, or a red copper and steel combined pipeline.

In some embodiments, as shown in fig. 3-4, the first pipe assembly 1 is provided with a positioning device 4, specifically, in the example of fig. 3, the positioning device 4 may be provided on the inner wall surface of the outer connecting sleeve 12, and the positioning device 4 is at a distance D10 from the bottom of the annular groove 3; in the example of fig. 4, the positioning device 4 may be disposed on the outer wall surface of the inner connecting sleeve 13, and the positioning device 4 is spaced from the bottom of the annular groove 3 by a distance D14. When second pipeline subassembly 2 and first pipeline subassembly 1 nested the cooperation, positioner 4 is suitable for the tip of ending second pipeline subassembly 2, positioner 4's position has decided the distance of second pipeline subassembly 2 with annular groove 3, the location of second pipeline subassembly 2 on first pipeline subassembly 1 has been realized, the convenience is carried out welding operation to the junction of second pipeline subassembly 2 and first pipeline subassembly 1, also can guarantee that the welding length of second pipeline subassembly 2 and first pipeline subassembly 1 satisfies actual demand.

In the embodiment of the utility model, the welding mode can adopt flame brazing, high frequency welding etc..

In some embodiments, the positioning device 4 is configured as a plurality of positioning protrusions adapted to be circumferentially spaced apart so as to promote positioning reliability.

In some embodiments, the positioning device 4 is configured as a positioning projection.

In some embodiments, the positioning means 4 are configured as annular protrusions adapted to be distributed circumferentially over a full circle in order to improve positioning reliability.

A piping device 10 according to a specific example of the present invention is described below with reference to fig. 1.

The pipe arrangement 10 comprises a first pipe assembly 1 and a second pipe assembly 2. The first pipeline assembly 1 comprises an outer connecting sleeve 12 and a first pipeline 11, wherein the outer connecting sleeve 12 is welded on the outer wall surface of the first pipeline 11, the welding length is D4, and D4 is 5 mm.

The first pipe 11 includes a first pipe body 111 and an inner circumferential wall 112, the inner circumferential wall 112 is integrally formed at a right end face of the first pipe body 111, the inner circumferential wall 112 is formed by cutting the first pipe 11, a single-sided thickness of the cutting is W1, the outer connection sleeve 12 constitutes an outer circumferential wall of the annular groove 3, and the outer connection sleeve 12, the inner circumferential wall 112 and the first pipe 11 jointly define the annular groove 3.

The length of the outer connecting sleeve 12 extending out of the right end face of the first pipeline body 111 rightwards is D2+ D3, the length of the inner peripheral wall 112 extending out of the right end face of the first pipeline body 111 rightwards is D2, and D2+ D3 is larger than D2. The outer connecting sleeve 12 and the second pipeline component 2 are welded and fixed.

The width of the annular groove 3 is W1, W1 is equal to or greater than the wall thickness of the left end of the second line assembly 2, and the left end of the second line assembly 2 extends into the annular groove 3. The depth of the annular groove 3 is D2, and the distance between the left end face of the second line component 2 and the left end of the annular groove 3 is D1.

The first pipeline 11 and the outer connecting sleeve 12 are stainless steel parts, and the second pipeline component 2 is a red copper pipeline.

A piping installation 10 according to a specific example of the present invention is described below with reference to fig. 2.

The pipe arrangement 10 comprises a first pipe assembly 1 and a second pipe assembly 2. The first pipeline component 1 comprises an inner connecting sleeve 13, an outer connecting sleeve 12 and a first pipeline 11, wherein the inner connecting sleeve 13 is welded on the inner wall surface of the first pipeline 11, and the welding length is D8; the outer connecting sleeve 12 is welded on the outer wall surface of the first pipeline 11, and the welding length is D7, and D7 is more than D8.

In some embodiments of the present invention, referring to fig. 2, the length of the right end surface of the outer connecting sleeve 12 extending out of the first pipeline 11 to the right is D5, the length of the right end surface of the inner connecting sleeve 13 extending out of the first pipeline 11 to the right is D6, and D5 > D6. The outer connecting sleeve 12 and the second pipeline component 2 are welded and fixed.

The first pipeline 11, the inner connecting sleeve 13 and the outer connecting sleeve 12 are stainless steel parts, and the second pipeline component 2 is a red copper pipeline.

Stainless steel sleeve 13, stainless steel sleeve 12 and stainless steel pipeline 11 are welded fixedly in advance, only flame welding is needed on the spot, form annular groove 3 between stainless steel sleeve 13, stainless steel sleeve 12 and the stainless steel pipeline 11, when stainless steel sleeve 12 welds with red copper pipeline 2, abundant solder can be stored in annular groove 3, avoid the solder to cause the destruction to the system in getting into the pipe-line system, the degree of difficulty of flame welding steel pipe pipeline has been reduced, reduce the pipeline fracture risk and reveal the risk simultaneously.

A piping device 10 according to a specific example of the present invention is described below with reference to fig. 3.

The pipe arrangement 10 comprises a first pipe assembly 1 and a second pipe assembly 2. The first pipeline assembly 1 comprises an outer connecting sleeve 12 and a first pipeline 11, wherein the outer connecting sleeve 12 is welded on the outer wall surface of the first pipeline 11, and the welding length is D12.

The first pipeline 11 includes a first pipeline body 111 and an inner circumferential wall 112, the inner circumferential wall 112 is integrally formed on a right end face of the first pipeline body 111, the inner circumferential wall 112 is formed by cutting the first pipeline 11, the cut single-sided thickness is W2, the outer connecting sleeve 12 constitutes an outer circumferential wall of the annular groove 3, and the outer connecting sleeve 12, the inner circumferential wall 112 and the first pipeline 11 together define the annular groove 3.

The length of the outer connecting sleeve 12 extending rightwards out of the right end face of the first pipeline body 111 is D11, the length of the inner peripheral wall 112 extending rightwards out of the right end face of the first pipeline body 111 is D9, and D11 is greater than D9. The outer connecting sleeve 12 and the second pipeline component 2 are welded and fixed.

The inner wall surface of the outer connecting sleeve 12 is provided with a positioning device 4, and the distance between the positioning device 4 and the bottom of the annular groove 3 is D10.

A piping device 10 according to a specific example of the present invention is described below with reference to fig. 4.

The pipe arrangement 10 comprises a first pipe assembly 1 and a second pipe assembly 2. The first pipe assembly 1 includes an inner connecting sleeve 13 and a first pipe 11, wherein the inner connecting sleeve 13 is welded to an inner wall surface of the first pipe 11, and the welding length is D16.

The first pipeline 11 may include: the first pipe body 111 and the outer peripheral wall 113, the outer peripheral wall 113 is integrally formed at the right end face of the first pipe body 111, the outer peripheral wall 113 may be formed by cutting the first pipe 11, the cut single thickness is W3, the inner connection sleeve 13 constitutes the inner peripheral wall of the annular groove 3, and the inner connection sleeve 13, the outer peripheral wall 113 and the first pipe 11 together define the annular groove 3.

The length of the inner connecting sleeve 13 extending rightward from the right end face of the first pipe body 111 is D15, the length of the outer peripheral wall 113 extending rightward from the right end face of the first pipe body 111 is D13, and D15 is greater than D13. The inner connecting sleeve 13 and the second pipeline component 2 are welded and fixed.

The outer wall surface of the inner connecting sleeve 13 is provided with a positioning device 4, and the distance between the positioning device 4 and the bottom of the annular groove 3 is D14.

The first pipeline 11 and the inner connecting sleeve 13 are stainless steel parts, and the second pipeline component 2 is a red copper pipeline.

According to another aspect embodiment of the present invention, an air conditioner includes the above-mentioned pipe device.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A pipeline apparatus, comprising:

the end part of the first pipeline component is provided with an annular groove with one open end and the other closed end;

a second conduit component welded to the outer and/or inner circumferential wall of the annular groove and having a weld area axially corresponding to the annular groove.

2. The line set of claim 1 wherein the second line assembly is partially inserted into the annular groove.

3. The line set of claim 2 wherein the end surface of the second line assembly inserted into the annular groove is spaced from the closed end of the annular groove.

4. The line set of claim 2 wherein the portion of the second line component inserted into the annular groove is a clearance fit with the annular groove.

5. The conduit device of claim 4 wherein the second conduit assembly is welded to the outer peripheral wall and spaced apart from the inner peripheral wall.

6. The line set of claim 1, wherein the first line assembly comprises: the pipeline joint comprises a first pipeline, an outer connecting sleeve and an inner connecting sleeve, wherein the inner connecting sleeve is attached to the inner wall surface of the first pipeline, the outer connecting sleeve is attached to the outer wall surface of the first pipeline, and the first pipeline, the outer connecting sleeve and the inner connecting sleeve jointly define an annular groove;

wherein the outer connecting sleeve constitutes the outer peripheral wall, the inner connecting sleeve constitutes the inner peripheral wall.

7. The pipeline apparatus according to claim 6, wherein the first pipeline and the outer connecting sleeve and the first pipeline and the inner connecting sleeve are fixed by welding.

8. The pipeline apparatus according to claim 6, wherein the length of the end surface of the outer connecting sleeve extending out of the first pipeline is greater than the length of the end surface of the inner connecting sleeve extending out of the first pipeline, and the second pipeline assembly is welded and fixed with the outer connecting sleeve.

9. The line set of claim 6, wherein the outer connecting sleeve has a longer fixed length of fit with the first line than the inner connecting sleeve.

10. The line set of claim 1, wherein the first line assembly comprises: first pipeline and outer adapter sleeve, outer adapter sleeve pastes and establishes the outer wall of first pipeline, first pipeline includes: the pipe comprises a first pipe body and an inner peripheral wall integrally formed on the end face of the first pipe body, wherein the inner peripheral wall is formed by cutting the first pipe, the outer connecting sleeve forms the outer peripheral wall, and the first pipe, the outer connecting sleeve and the inner peripheral wall jointly define the annular groove.

11. The pipe device according to claim 10, wherein an inner wall surface of the inner peripheral wall is flush with an inner wall surface of the first pipe body, and an outer wall surface of the inner peripheral wall is inside an outer wall surface of the first pipe body.

12. The pipeline apparatus according to claim 10, wherein the length of the end surface of the outer connecting sleeve extending out of the first pipeline body is greater than the length of the end surface of the inner peripheral wall extending out of the first pipeline body, and the second pipeline assembly is welded and fixed to the outer connecting sleeve.

13. Pipeline apparatus according to claim 6 or 10, wherein the nipple is provided with a positioning device against which an end of the second pipeline component close to the first pipeline component stops.

14. The line set of claim 1, wherein the first line assembly comprises: first pipeline and internal connection cover, the internal connection cover paste establish the internal face of first pipeline, first pipeline includes: a first tube body and the outer peripheral wall integrally formed at an end face of the first tube body, wherein the outer peripheral wall is formed by cutting the first tube, and the inner connection sleeve constitutes the inner peripheral wall, the first tube, the inner connection sleeve, and the outer peripheral wall collectively defining the annular groove.

15. The conduit device according to claim 14, wherein an outer wall surface of the peripheral wall is flush with an outer wall surface of the first conduit body, and an inner wall surface of the peripheral wall is outside the inner wall surface of the first conduit body.

16. The conduit device of claim 14 wherein the length of the peripheral wall extending beyond the end surface of the first conduit body is less than the length of the inner sleeve extending beyond the end surface of the first conduit body, and wherein the second conduit component is welded to the inner sleeve.

17. Pipeline apparatus according to claim 14, wherein the inner coupling sleeve is provided with a locating means against which an end of the second pipeline assembly adjacent the first pipeline assembly abuts.

18. The conduit apparatus of any one of claims 1-12, 14-17, wherein the material of the first conduit component comprises iron or copper and the material of the second conduit component comprises copper.

19. An air conditioner characterized by comprising a pipe arrangement according to any one of claims 1-18.