CN217844115U - Stainless steel air conditioner pipe assembly - Google Patents
Stainless steel air conditioner pipe assembly Download PDFInfo
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- CN217844115U CN217844115U CN202220956232.4U CN202220956232U CN217844115U CN 217844115 U CN217844115 U CN 217844115U CN 202220956232 U CN202220956232 U CN 202220956232U CN 217844115 U CN217844115 U CN 217844115U
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Abstract
The utility model discloses a stainless steel air conditioner pipe assembly, include: one end of the stainless steel tubing is connected with the shunt part, and the other end of the stainless steel tubing is provided with a stainless steel bulge, wherein the outer diameter of the stainless steel bulge is smaller than that of the stainless steel tubing; the welding connection part comprises an outer copper sleeve nested outside a stainless steel bulge, the inner diameter of the outer copper sleeve is matched with the outer diameter of the stainless steel bulge, and the outer diameter of the outer copper sleeve is equal to the outer diameter of the stainless steel tubing. The utility model provides a pair of stainless steel air conditioner pipe assembly can improve the welding efficiency between copper pipe and the stainless steel pipeline, has further improved the packaging efficiency of air conditioner.
Description
Technical Field
The utility model relates to an air conditioner pipeline field especially relates to an air conditioner nest of tubes of stainless steel.
Background
At present, heat exchange pipelines in an evaporator and a condenser inside an air conditioner are both copper pipes, connecting pipelines outside the evaporator and the condenser are stainless steel pipes, and the stainless steel pipes and the copper pipes need to be welded in order to realize the connection of an integral passage of the air conditioner; because the two properties have large difference, the welding process can be realized only by a more complex welding method; for example, when stainless steel and copper are welded, silver-copper solder and proper flux are required to be selected, and residual flux near a crater must be cleaned by hot water or water vapor after welding to prevent corrosion; the welding process between different materials causes high welding cost, complex process and long welding time, and seriously hinders the overall assembly efficiency of the air conditioner.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the problems in the related art to some extent. Therefore, an object of the utility model is to provide a stainless steel air conditioner pipe assembly can improve the welding efficiency between copper pipe and the stainless steel pipeline, has further improved the packaging efficiency of air conditioner.
In order to achieve the purpose, the following technical scheme is adopted in the application: a stainless steel air conditioning duct assembly comprising:
one end of the stainless steel tubing is connected with the shunt part, and the other end of the stainless steel tubing is provided with a stainless steel bulge, wherein the outer diameter of the stainless steel bulge is smaller than that of the stainless steel tubing;
the welding connection part comprises an outer copper sleeve nested outside the stainless steel bulge, the inner diameter of the outer copper sleeve is matched with the outer diameter of the stainless steel bulge, and the outer diameter of the outer copper sleeve is equal to the outer diameter of the stainless steel tubing.
Further, the inner diameter of the stainless steel protrusion is equal to the inner diameter of the stainless steel tubing.
Further, the inner diameter of the stainless steel protrusion is larger than that of the stainless steel tubing.
Further, the welding connection part also comprises an inner copper sleeve nested inside the stainless steel bulge; the inner diameter of the inner copper sleeve is equal to that of the stainless steel tubing, and the outer diameter of the inner copper sleeve is matched with that of the stainless steel bulge.
Further, the welding connection part also comprises an inner copper sleeve nested inside the stainless steel bulge; the inner diameter of the inner copper sleeve is smaller than that of the stainless steel tubing, and the outer diameter of the inner copper sleeve is matched with that of the stainless steel bulge.
Further, the flow dividing part is a three-way valve, and the number of the stainless steel pipes is 3, and the three-way valve is connected to three outlets of the three-way valve respectively.
Further, the flow dividing portion is a four-way valve, and the number of the stainless steel pipes is 4, and the stainless steel pipes are connected to four outlets of the four-way valve respectively.
Further, the flow dividing part is a distributor or a filter.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: in the application, one end of the stainless steel tubing is connected with the shunt part, the other end of the stainless steel tubing is connected with the outer copper sleeve through the stainless steel bulge, the outer copper sleeve is nested at the tail end of the stainless steel tubing, the inner diameter of the outer copper sleeve is matched with the outer diameter of the stainless steel bulge, and the outer diameter of the outer copper sleeve is equal to the outer diameter of the stainless steel tubing, so that the outer diameter of the stainless steel bulge is consistent with the stainless steel tubing, the outer diameter of the stainless steel tubing is ensured to be equal everywhere, and the stainless steel tubing is convenient to arrange inside an air conditioner; meanwhile, the outer copper sleeve at the tail end of the stainless steel tubing can ensure that the stainless steel tubing can be nested outside the outer copper tube only when being welded with the copper tube in the condenser or the evaporator, and the welding parts are made of the same material, so that pipeline communication can be realized through simple copper welding, the welding efficiency is improved, the welding cost is reduced, and the assembly efficiency of the air conditioner is further improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
In the drawings:
FIG. 1 is a detailed view of a stainless steel projection in example 1;
FIG. 2 is a detailed view of the stainless steel projection in example 2;
FIG. 3 is a schematic view showing the fitting of stainless steel piping in example 3;
FIG. 4 is an assembled view of the stainless steel pipe of example 3;
reference numbers: 1. a stainless steel pipe; 11. stainless steel bulges; 21. an inner copper sleeve; 22. an outer copper sleeve; 31. and a three-way valve.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the referred mechanism or element must have a specific direction, and thus, should not be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, mechanisms, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
Example 1
Referring to fig. 1, the present embodiment provides a stainless steel air conditioning pipe assembly, which includes: the device comprises a stainless steel tubing 1 and a welding connection part, wherein one end of the stainless steel tubing 1 is connected with a shunt part, the other end of the stainless steel tubing 1 is provided with a stainless steel bulge 11, and the outer diameter of the stainless steel bulge 11 is smaller than that of the stainless steel tubing 1; the welding connection part comprises an outer copper sleeve 22 nested outside the stainless steel bulge 11, the inner diameter of the outer copper sleeve 22 is matched with the outer diameter of the stainless steel bulge 11, and the outer diameter of the outer copper sleeve 22 is equal to the outer diameter of the stainless steel tubing 1.
In the embodiment, one end of the stainless steel tubing 1 is connected with the shunt part, the other end of the stainless steel tubing 1 is connected with the outer copper sleeve 22 through the stainless steel bulge 11, the outer copper sleeve 22 is nested at the tail end of the stainless steel tubing 1, the inner diameter of the outer copper sleeve 22 is matched with the outer diameter of the stainless steel bulge 11, and the outer diameter of the outer copper sleeve 22 is equal to the outer diameter of the stainless steel tubing 1, so that the outer diameter of the stainless steel bulge 11 is consistent with that of the stainless steel tubing 1, the outer diameter of the stainless steel tubing 1 is ensured to be equal everywhere, and the arrangement of the stainless steel tubing 1 in an air conditioner is facilitated; meanwhile, the outer copper bush 22 at the tail end of the stainless steel tubing 1 can ensure that the copper tube in the condenser or the evaporator is nested outside the outer copper tube when being welded with the copper tube in the condenser or the evaporator, and the welding position is made of the same material, so that pipeline communication can be realized through simple copper welding, the welding efficiency is improved, the welding cost is reduced, and the assembling efficiency of the air conditioner is further improved.
In this application, copper pipe nestification is welded in the outside of outer copper pipe in evaporimeter or condenser, and the internal diameter of copper pipe can slightly be greater than the internal diameter of stainless steel piping in evaporimeter or condenser after the welding, and when liquid got into copper pipe in evaporimeter or the condenser by the stainless steel piping, its velocity of flow can slow down.
When the liquid flow rate is large, the inner diameter of the stainless steel protrusion can be slightly larger than that of the stainless steel tubing and slightly smaller than that of a copper tube in the evaporator or the condenser, so that the inner diameter of the flow channel can be slowly increased, the liquid is prevented from generating vortexes and the like at the position, and the smooth flowing of the liquid is ensured.
When the liquid flow rate is small, the difference between the inner diameter of a copper pipe in the evaporator or the condenser and the inner diameter of the stainless steel tubing is not large, so that the flow rate change can be ignored, the inner diameter of the stainless steel protrusion is equal to the inner diameter of the stainless steel tubing, the integrated preparation of the stainless steel tubing is facilitated, and the complexity of a mold and a forming process is reduced.
In this embodiment, the thickness of the outer copper sleeve 22 may be increased or decreased according to the use scenario and the environmental requirements, and the combination between the outer copper sleeve and the stainless steel protrusion may be performed by using a press-fitting process, a resistance welding process, or other welding methods, or may be adjusted according to the requirements of the existing processing process.
In this embodiment, the outer copper sleeve 22 may be made of red copper, the copper pipes in the condenser and the evaporator are made of red copper, and the welding between the same materials is convenient and fast, so as to improve the welding efficiency.
In this embodiment, the copper tube and the outer copper sleeve are welded by the same material, and a brazing process may be used for welding. The brazing of copper and copper can be performed by using phosphor-copper solder or phosphor-copper solder with low silver content, such as 2% or 5% silver-based solder; the welding flux is cheap, has good melting liquid, adopts the joint filling and wetting process, does not need welding flux, and has good welding effect and low cost.
Example 2
Referring to fig. 2, the present embodiment provides a stainless steel air conditioning pipe assembly, which includes: the stainless steel pipe comprises a stainless steel pipe 1 and a welding connection part, wherein one end of the stainless steel pipe 1 is connected with a shunt part, the other end of the stainless steel pipe 1 is provided with a stainless steel bulge 11, and the outer diameter of the stainless steel bulge 11 is smaller than that of the stainless steel pipe 1; the welding connection part comprises an outer copper sleeve 22 nested outside the stainless steel bulge 11, the inner diameter of the outer copper sleeve 22 is matched with the outer diameter of the stainless steel bulge 11, and the outer diameter of the outer copper sleeve 22 is equal to the outer diameter of the stainless steel tubing 1.
In this embodiment, the inner diameter of the stainless steel projection 11 needs to be larger than the inner diameter of the stainless steel pipe 1. The welding connection part also comprises an inner copper sleeve 21 nested inside the stainless steel bulge 11; the inner diameter of the inner copper bush 21 is equal to the inner diameter of the stainless steel pipe 1, and the outer diameter of the inner copper bush 21 is matched with the inner diameter of the stainless steel bulge 11. In this embodiment, the outer diameter of the outer copper sleeve 22 is equal to the outer diameter of the stainless steel pipe 1, and the inner diameter of the inner copper sleeve 21 is equal to the inner diameter of the stainless steel pipe 1, so that the stainless steel pipe 1 and the stainless steel protrusion 11 at the end thereof form a stainless steel pipeline with the same inner diameter and outer diameter inside and outside, which is convenient for pipeline layout and liquid flow rate control.
In this embodiment, the inner copper sleeve 21 and the outer copper sleeve 22 are embedded inside and outside the stainless steel protrusion 11, and when the stainless steel protrusion 11 is connected with a copper pipe in an evaporator or a condenser, the stainless steel protrusion 11 can be selectively welded inside the copper pipe or the stainless steel protrusion 11 can be welded outside the copper pipe according to the diameter difference between the two pipes. When the inner diameter of the copper pipe in the evaporator or the condenser is larger than the outer diameter of the stainless steel tubing 1, the end of the stainless steel tubing 1 is inserted into the copper pipe, so that the outer copper sleeve 22 is welded with the copper pipe. When the outer diameter of the copper pipe in the evaporator or the condenser is smaller than the inner diameter of the stainless steel tubing 1, the tail end of the stainless steel tubing 1 is nested outside the copper pipe, so that the inner copper sleeve 21 is welded with the copper pipe.
In this embodiment, if the copper pipe in the evaporator or the condenser is nested in the inner copper pipe for welding, the inner diameter of the inner copper sleeve may be set to be smaller than the inner diameter of the stainless steel pipe, and the inner diameter of the copper pipe in the evaporator or the condenser may be slightly smaller than the inner diameter of the stainless steel pipe after welding.
When the liquid flow rate is larger, the inner diameter of the inner copper sleeve can be slightly smaller than that of the stainless steel tubing and slightly larger than that of the copper tube in the evaporator or the condenser, so that the inner diameter of the flow channel can be slowly reduced, the liquid is prevented from generating vortexes and the like at the position, and the smooth flowing of the liquid is ensured.
When the liquid flow rate is small, the difference between the inner diameter of a copper pipe in the evaporator or the condenser and the inner diameter of a stainless steel pipe is not large, so that the flow rate change can be ignored, the inner diameter of the inner copper sleeve is equal to the inner diameter of the stainless steel pipe, the standardized design of the thickness of the inner copper sleeve is favorably realized, and the preparation efficiency of the inner copper sleeve is improved.
In this embodiment, the inner copper sleeve 21 and the outer copper sleeve 22 are made of the same material, and when the copper pipe is made of red copper, the inner copper sleeve 21 and the outer copper sleeve 22 are made of red copper. In this embodiment, the copper tube and the copper sleeve are welded by the same material, and a brazing process may be used for welding. The brazing of copper and copper can be performed by using phosphor copper solder or phosphor copper solder with low silver content, such as 2% or 5% silver-based solder; the welding flux is cheap, has good melting liquid, adopts the joint filling and wetting process, does not need welding flux, and has good welding effect and low cost.
In this embodiment, the thickness of the outer copper sleeve 22 may be increased or decreased according to the usage scenario and the environmental requirements, the outer copper sleeve and the stainless steel protrusion may be combined by using a press-fitting process, a resistance welding process, or other welding methods, and the combination method between the outer copper sleeve and the stainless steel protrusion may be adjusted according to the requirements of the existing processing process.
Example 3
Referring to fig. 1-4, the present application provides a stainless steel air conditioning pipe assembly, comprising: the stainless steel pipe comprises a stainless steel pipe 1 and a welding connection part, wherein one end of the stainless steel pipe 1 is connected with a shunt part, the other end of the stainless steel pipe 1 is provided with a stainless steel bulge 11, and the outer diameter of the stainless steel bulge 11 is smaller than that of the stainless steel pipe 1; the welding connection part comprises an outer copper sleeve 22 nested outside the stainless steel bulge 11, the inner diameter of the outer copper sleeve 22 is matched with the outer diameter of the stainless steel bulge 11, and the outer diameter of the outer copper sleeve 22 is equal to the outer diameter of the stainless steel tubing 1. The inner diameter of the stainless steel protrusion 11 is larger than the inner diameter of the stainless steel pipe 1. The welding connection part also comprises an inner copper sleeve 21 nested inside the stainless steel bulge 11; the inner diameter of the inner copper bush 21 is equal to the inner diameter of the stainless steel pipe 1, and the outer diameter of the inner copper bush 21 is matched with the inner diameter of the stainless steel bulge 11.
As shown in fig. 3 to 4, the branching portion in this embodiment is a three-way valve 31, and the number of the stainless steel pipes 1 is 3, and the three pipes are connected to three outlets of the three-way valve 31. One ends of the three stainless steel tubing 1 are respectively connected to three outlets of the three-way valve 31, and the other ends of the three stainless steel tubing 1 are provided with an inner copper sleeve 21 and an outer copper sleeve 22; the outer diameter of the outer copper sleeve 22 is equal to the outer diameter of the stainless steel tubing 1, and the inner diameter of the inner copper sleeve 21 is equal to the inner diameter of the stainless steel tubing 1, so that the stainless steel tubing 1 and the stainless steel protrusion 11 at the end thereof form a stainless steel pipeline with the same inner diameter and outer diameter inside and outside, and the pipeline layout and the liquid flow rate control are facilitated.
In this embodiment, the thickness of the outer copper sleeve 22 may be increased or decreased according to the use scenario and the environmental requirements, and the combination between the outer copper sleeve and the stainless steel protrusion may be performed by using a press-fitting process, a resistance welding process, or other welding methods, or may be adjusted according to the requirements of the existing processing process.
In addition, the flow dividing part can also be a four-way valve in the application, and 4 stainless steel pipes 1 are respectively connected to four outlets of the four-way valve; meanwhile, the flow dividing part is a distributor or a filter.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (8)
1. A stainless steel air conditioning duct assembly, comprising:
one end of the stainless steel tubing is connected with the shunt part, and the other end of the stainless steel tubing is provided with a stainless steel bulge, wherein the outer diameter of the stainless steel bulge is smaller than that of the stainless steel tubing;
the welding connection part comprises an outer copper sleeve nested outside a stainless steel bulge, the inner diameter of the outer copper sleeve is matched with the outer diameter of the stainless steel bulge, and the outer diameter of the outer copper sleeve is equal to the outer diameter of the stainless steel tubing.
2. The stainless steel air conditioning duct assembly of claim 1, wherein the stainless steel projection has an inner diameter equal to an inner diameter of the stainless steel tubing.
3. The stainless steel air conditioning duct assembly of claim 1, wherein the stainless steel projection has an inner diameter greater than an inner diameter of the stainless steel tubing.
4. The stainless steel air conditioning duct assembly of claim 3, wherein the welded connection further comprises an inner copper sleeve nested inside a stainless steel embossment; the inner diameter of the inner copper sleeve is equal to that of the stainless steel tubing, and the outer diameter of the inner copper sleeve is matched with that of the stainless steel bulge.
5. The stainless steel air conditioning duct assembly of claim 3, wherein the welded connection further comprises an inner copper sleeve nested inside a stainless steel boss; the inner diameter of the inner copper sleeve is smaller than that of the stainless steel tubing, and the outer diameter of the inner copper sleeve is matched with that of the stainless steel bulge.
6. The stainless steel air conditioner pipe assembly of claim 1, wherein the flow dividing portion is a three-way valve, and the number of the stainless steel pipes is 3, and the three pipes are respectively connected to three outlets of the three-way valve.
7. The stainless steel air conditioner pipe assembly as claimed in claim 1, wherein the flow dividing part is a four-way valve, and the number of the stainless steel pipes is 4, and the four stainless steel pipes are connected to four outlets of the four-way valve, respectively.
8. The stainless steel air conditioning duct assembly of claim 1, wherein the flow divider is a distributor or a filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956232.4U CN217844115U (en) | 2022-04-24 | 2022-04-24 | Stainless steel air conditioner pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956232.4U CN217844115U (en) | 2022-04-24 | 2022-04-24 | Stainless steel air conditioner pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217844115U true CN217844115U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220956232.4U Active CN217844115U (en) | 2022-04-24 | 2022-04-24 | Stainless steel air conditioner pipe assembly |
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| Country | Link |
|---|---|
| CN (1) | CN217844115U (en) |
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- 2022-04-24 CN CN202220956232.4U patent/CN217844115U/en active Active
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