CN215410630U - Pipeline connection structure and compressor assembly - Google Patents
Pipeline connection structure and compressor assembly Download PDFInfo
- Publication number
- CN215410630U CN215410630U CN202121040236.XU CN202121040236U CN215410630U CN 215410630 U CN215410630 U CN 215410630U CN 202121040236 U CN202121040236 U CN 202121040236U CN 215410630 U CN215410630 U CN 215410630U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- copper
- copper sleeve
- lower section
- upper section
- 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.)
- Active
Links
Images
Landscapes
- Compressor (AREA)
Abstract
The utility model provides a pipeline connecting structure and a compressor assembly, wherein the pipeline connecting structure comprises a first steel pipe, a first copper sleeve, a second steel pipe and a second copper sleeve, each of the first steel pipe, the first copper sleeve, the second steel pipe and the second copper sleeve comprises an upper section and a lower section, the first copper sleeve is sleeved on the upper section of the first steel pipe, the upper section of the first copper sleeve extends out of the upper section of the first steel pipe to form a first extending section, the second copper sleeve is sleeved on the upper section of the second steel pipe, the first steel pipe is welded with the first copper sleeve, the second steel pipe is welded with the second copper sleeve, and the first extending section of the first copper sleeve is sleeved outside the second copper sleeve and is welded with the second copper sleeve. According to the pipeline connecting structure disclosed by the embodiment of the first aspect of the utility model, the thickness of the first copper bush is not limited by reasonably setting the position relation of the first steel pipe, the first copper bush, the second steel pipe and the second copper bush, so that the strength of the joint of the pipeline connecting structure is increased, the risk of pipeline fracture and leakage is reduced, and the reliability of the pipeline connecting structure is improved.
Description
Technical Field
The utility model relates to the technical field of electric appliance manufacturing, in particular to a pipeline connecting structure and a compressor assembly.
Background
In the related art, a plurality of pipelines are arranged in the compressor and are connected through a pipeline connecting structure. The strength of the steel pipe with the same specification is far greater than that of the copper pipe, the heat conductivity coefficient of copper is many times that of stainless steel, and the steel pipe is easy to crack due to uneven heating or the strength of the steel pipe is reduced due to thermal stress during welding. In order to ensure the feasibility and the convenience of on-site welding, a copper sleeve is generally added at the joint of a steel pipe, the copper sleeve and the steel pipe are welded into a whole in advance, the copper sleeve and the copper sleeve, the copper sleeve and the copper pipe and the like only need to be welded during on-site welding in a workshop, but various welding defects exist in the existing pipeline connecting structure.
SUMMERY OF THE UTILITY MODEL
The present invention is based on the discovery and recognition by the inventors of the following facts and problems:
in the related art, as shown in fig. 1 and 2, in the pipe connection structure, one copper bush is welded outside the end of one steel pipe, the other copper bush is welded inside the other steel pipe, and when the two copper bushes are connected, the two copper bushes are welded. If a flaring or necking copper sleeve welding mode is adopted, the flaring and necking transition area of the copper sleeve is close to the weld crater, under the dual effects of welding heat and high-speed flame, crystal grains at the position are enlarged after welding, thermal stress exists, the strength is reduced, and the position becomes the weak point of the joint.
In the related art, as shown in fig. 3 and 4, if a copper bush welding mode with a flush port is adopted, the temperature state of the copper bush is not easy to observe during welding, solder is difficult to attach to a welding seam, the welding seam is easy to be burnt excessively, the strength of the welding seam of the copper bush and the steel pipe is affected, and the welding seam is easy to leak. In addition, steel pipes whose outer layer is exposed to the flame of a welding gun are prone to cracking and strength reduction under uneven heating, are greatly affected by the welding level, and have poor welding consistency. The outer layer steel pipe turns black after being heated, and contrast is formed between the outer layer steel pipe and the color of the matrix.
In the related art, as shown in fig. 5, the melting points of copper and steel are very different, and when flame welding is performed, excessive solder drops on the inner wall of the steel pipe, and slides down like water drops, and the sliding solder enters parts such as a four-way valve, which easily causes the locking or abnormal sound of the sliding parts therein.
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, a first object of the present invention is to propose a pipe connection structure.
The second purpose of the utility model is to provide another pipeline connecting structure.
A third object of the present invention is to propose a compressor assembly.
The pipeline connecting structure comprises a first steel pipe, a first copper sleeve, a second steel pipe and a second copper sleeve, the first steel pipe comprises a first steel pipe upper section and a first steel pipe lower section, the second steel pipe comprises a second steel pipe upper section and a second steel pipe lower section, the first copper sleeve comprises a first copper sleeve upper section and a first copper sleeve lower section, the second copper sleeve comprises a second copper sleeve upper section and a second copper sleeve lower section, the first copper sleeve is sleeved on the upper section of the first steel pipe, the upper section of the first copper sleeve extends beyond the upper section of the first steel pipe to form a first extending section, the second copper sleeve is sleeved on the lower section of the second steel pipe, the first steel pipe is fixedly connected with the first copper sleeve, the second steel pipe is fixedly connected with the second copper sleeve, and the first extending section of the first copper sleeve is sleeved outside the second copper sleeve and is fixedly connected with the second copper sleeve.
According to the pipeline connecting structure disclosed by the embodiment of the first aspect of the utility model, the thickness of the first copper bush is not limited by reasonably setting the position relation of the first steel pipe, the first copper bush, the second steel pipe and the second copper bush, so that the strength of the joint of the pipeline connecting structure is increased, the risk of pipeline fracture and leakage is reduced, and the reliability of the pipeline connecting structure is improved.
In some embodiments, the second copper sheathing lower section extends beyond the second steel pipe lower section to form a second extension section or is flush with the second steel pipe lower section, and the second copper sheathing upper section extends a predetermined length from the first copper sheathing upper section.
In some embodiments, the first steel pipe or the first copper sheathing is a drift diameter pipe or a reducer diameter pipe.
In some embodiments, the end surface of the second copper bush lower section is abutted against or spaced from the end surface of the first steel pipe upper section.
In some embodiments, the second copper sheathing lower section extends into the first steel tube.
In some embodiments, a positioning protrusion for stopping the lower section of the second copper sleeve is arranged on the inner wall of the first steel pipe.
In some embodiments, the first steel tube upper section is flared or necked-in.
The pipeline connecting structure comprises a first pipe, a second pipe and a third copper sleeve, wherein the first pipe is a copper pipe or a copper-plated pipe, the second pipe is a steel pipe, the third copper sleeve is sleeved outside the lower section of the second pipe and welded with the second pipe, and the upper section of the first pipe is sleeved outside the third copper sleeve and welded with the third copper sleeve.
In some embodiments, the third copper jacket upper section extends from the second tube lower section, the first tube upper section is enlarged to form a transition section, and a screen compression ring is disposed between the second tube lower section and the transition section of the first tube.
A compressor assembly according to an embodiment of the third aspect of the present invention employs the pipe connection structure in the above-described embodiments.
Drawings
Fig. 1 to 5 are schematic structural views of a pipe connection structure in the related art;
FIG. 6 is a schematic structural diagram of a first steel pipe and a first copper sleeve in a pipeline connecting structure according to an embodiment of the first aspect of the utility model;
FIG. 7 is a schematic structural view of a first steel pipe and a first copper sheathing in a pipe connection structure according to another embodiment of the present invention;
FIG. 8 is a schematic structural view of a first steel pipe and a first copper sheathing in a pipe connection structure according to another embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a second steel pipe and a second copper sheathing in the pipe connection structure according to the embodiment of the present invention;
FIG. 10 is a schematic structural view of a second steel pipe and a second copper sheathing in a pipe connection structure according to another embodiment of the present invention;
FIG. 11 is a schematic structural view of a piping connection structure according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a piping connection structure according to another embodiment of the present invention;
fig. 13 is a schematic structural view of a piping connection structure according to another embodiment of the present invention;
fig. 14 is a schematic structural view of a piping connection structure according to another embodiment of the present invention;
fig. 15 is a schematic structural view of a piping connection structure according to an embodiment of the second aspect of the present invention.
Reference numerals:
11. a first steel pipe; 11A, an upper section of a first steel pipe; 11B, a lower section of the first steel pipe; 111. positioning the projection; 12. a first copper bush; 12A, a first copper bush upper section; 12B, a first copper bush lower section; 21. a second steel pipe; 21A, the upper section of a second steel pipe; 21B, a second steel pipe lower section; 22. a second copper sleeve; 22A, the upper section of the second copper sleeve; 22B, a second copper bush lower section; 31. a first tube; 41. a second tube; 41B, a second pipe lower section; 42. a third copper bush; 5. and (5) pressing a filter screen ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
A piping connection structure according to an embodiment of the first aspect of the present invention will be described with reference to fig. 6 to 15.
As shown in fig. 6 to 10, the pipeline connecting structure according to the embodiment of the first aspect of the present invention includes a first steel pipe 11, a first copper bush 12, a second steel pipe 21 and a second copper bush 22, the first steel pipe 11 has a first steel pipe upper section 11A and a first steel pipe lower section 11B, the second steel pipe 21 has a second steel pipe lower section 21B and a second steel pipe upper section 21A, the first copper bush 12 has a first copper bush upper section 12A and a first copper bush lower section 12B, and the second copper bush 22 has a second copper bush lower section 22B and a second copper bush upper section 22A.
As shown in fig. 6 to 8, the first copper bush 12 is sleeved on the outer peripheral surface of the first steel pipe upper section 11A, in the figure, the first copper bush upper section 12A is located at the upper portion, the first copper bush lower section 12B is located at the lower portion, the first steel pipe upper section 11A is located at the upper portion, the first steel pipe lower section 11B is located at the lower portion, and the first copper bush upper section 12A extends beyond the first steel pipe upper section 11A to form a first extending section.
As shown in fig. 9 and 10, the second copper sleeve 22 is sleeved on the second steel pipe lower section 21B.
As shown in fig. 11 to 14, the first steel pipe 11 and the first copper sleeve 12 are fixedly connected into a whole, the second steel pipe 21 and the second copper sleeve 22 are fixedly connected into a whole, and the first extending section of the first copper sleeve 12 is sleeved outside the second copper sleeve 22 and is fixedly connected with the second copper sleeve 22. The fixed connection mode can be common metal connection modes such as welding, riveting and the like.
According to the pipeline connecting structure disclosed by the embodiment of the first aspect of the utility model, the first copper bush 12 and the second copper bush 22 are arranged on the outer sides of the steel pipes through reasonably arranging the position relation of the first steel pipe 11, the first copper bush 12, the second steel pipe 21 and the second copper bush 22, so that the defects of poor heat conduction capability, uneven heating, cracking and the like of the steel pipes are avoided, in addition, the first copper bush 12 is arranged on the outer side of the first steel pipe 11, the thickness of the first copper bush 12 is not limited, the strength of the joint of the pipeline connecting structure is increased, the fracture risk and the leakage risk of the pipeline are reduced, and the reliability of the pipeline connecting structure is improved.
In some embodiments, as shown in fig. 9 and 10, the second copper bush lower section 22B is located at the lower part, the second copper bush upper section 22A is located at the upper part, the second steel pipe lower section 21B is located at the lower part, and the second steel pipe upper section 21A is located at the upper part. The second copper sheathing lower section 22B is flush with the second steel pipe lower section 21B, as shown in FIG. 9, or the second copper sheathing lower section 22B extends beyond the second steel pipe lower section 21B to form a second extension section, as shown in FIG. 10. The second copper sheathing upper section 22A extends a predetermined length from the first copper sheathing upper section 12A.
The second copper bush lower section 22B extends beyond the second steel pipe lower section 21B, and compared with the second copper bush lower section 22B and the second steel pipe lower section 21B which are flush, the solder penetration is large, the sealing performance is good, and the problem that redundant solder drips can be avoided.
Further, the predetermined length is 15-25 mm, and the length of the first extension is 8-12 mm. Therefore, the second copper sleeve upper section 22A can exceed the first copper sleeve upper section 12A, and the phenomenon that the structural strength of the connecting part is affected by a cavity in the first copper sleeve upper section 12A is avoided. Meanwhile, the second copper sleeve upper section 22A can protect the second steel pipe lower section 21B, and solder is prevented from dropping to the second steel pipe lower section 21B, so that the structural strength of the second steel pipe lower section 21B is affected.
In some embodiments, as shown in fig. 10, the end surface of the second copper sheathing lower section 22B abuts against the end surface of the first steel pipe upper section 11A; or as shown in fig. 11 and 12, the end surface of the second copper bush lower section 22B is spaced from the end surface of the first steel pipe upper section 11A by a predetermined distance. Therefore, the required connection mode can be adjusted according to the actual working condition requirement.
In some embodiments, as shown in FIG. 14, the second copper sheathing lower section 22B extends into the first steel pipe 11. Therefore, a multi-layer protection is formed, and the structural strength of the connecting part can be enhanced.
Further, when the second copper sheathing lower section 22B extends into the first steel pipe 11, in order to ensure the relative position of the second copper sheathing 22 and the first steel pipe 11, a positioning protrusion 111 for stopping the second copper sheathing lower section 22B is arranged on the inner wall of the first steel pipe 11. The second copper sheathing lower section 22B extends into the first steel pipe 11 and gradually extends into the first steel pipe until the end surface of the second copper sheathing lower section 22B contacts the positioning protrusion 111 on the inner wall of the first steel pipe 11, so that the second copper sheathing 22 cannot continue to extend into the first steel pipe, and the relative position of the second copper sheathing 22 and the first steel pipe 11 is ensured.
In some embodiments, as shown in fig. 6 and 7, the first steel pipe upper section 11A is enlarged or reduced, and a flare or a reduction is provided on the first steel pipe upper section 11A, so that the influence of the welding position on the first steel pipe lower section 11B can be reduced.
Alternatively, as shown in fig. 8, the first steel pipe upper section 11A is uniform in radial dimension. Therefore, compared with the flaring and necking modes, the size is uniform, and the material processing cost can be saved. A piping connection structure of an embodiment of the second aspect of the present invention is described below with reference to fig. 15.
As shown in fig. 15, the pipeline connecting structure according to the embodiment of the second aspect of the present invention includes a first pipe 31, a second pipe 41 and a third copper sleeve 42, wherein the first pipe 31 is a copper pipe or a copper-plated pipe, the second pipe 41 is a steel pipe, the third copper sleeve 42 is sleeved outside the lower section 41B of the second pipe and welded to the second pipe 41, and the upper section of the first pipe 31 is sleeved outside the third copper sleeve 42 and welded to the third copper sleeve 42. Therefore, the copper bush is adopted to connect the two steel pipes, so that the processing steps can be reduced, and raw materials can be saved.
In some embodiments, the lower section of the third copper sheathing 42 extends from the second tube lower section 41B, the upper section of the first tube 31 is enlarged to form a transition section, and a screen ring 5 is disposed between the second tube lower section 41B and the transition section of the first tube 31. Pipeline connection structure in the middle of this embodiment can cooperate the compressor in the middle of the muffler filter screen to use through setting up filter screen clamping ring 5, can avoid the solder to fall into the compressor.
A compressor assembly according to an embodiment of the third aspect of the present invention employs the pipe connection structure in the above-described embodiments.
A piping connection structure according to an embodiment of the present invention will be described below with reference to fig. 6 to 15. It is to be understood that the following description is illustrative only and is not intended to be in any way limiting.
The first embodiment is as follows:
in this embodiment, as shown in fig. 11, the pipeline connection structure includes a first steel pipe 11, a first copper sleeve 12, a second steel pipe 21 and a second copper sleeve 22, the first steel pipe 11 has a first steel pipe upper section 11A and a first steel pipe lower section 11B, the second steel pipe 21 has a second steel pipe lower section 21B and a second steel pipe upper section 21A, the first copper sleeve 12 has a first copper sleeve upper section 12A and a first copper sleeve lower section 12B, and the second copper sleeve 22 has a second copper sleeve lower section 22B and a second copper sleeve upper section 22A. The first copper bush 12 is sleeved outside the first steel pipe upper section 11A, in the figure, the first copper bush upper section 12A is located at the upper part, the first copper bush lower section 12B is located at the lower part, the first steel pipe upper section 11A is located at the upper part, the first steel pipe lower section 11B is located at the lower part, and the first copper bush upper section 12A extends beyond the first steel pipe upper section 11A to form a first extending section. The second copper sleeve 22 is sleeved on the second steel pipe lower section 21B. The first steel pipe 11 and the first copper sleeve 12 are welded into a whole, the second steel pipe 21 and the second copper sleeve 22 are welded into a whole, and the first extending section of the first copper sleeve 12 is sleeved outside the second copper sleeve 22 and welded with the second copper sleeve 22.
The first steel pipe upper section 11A expands outward, the inner diameter of the first copper bush 12 is equal to the outer diameter of the first steel pipe upper section 11A, the second copper bush lower section 22B is flush with the second steel pipe lower section 21B, and the end face of the second copper bush lower section 22B is stopped against the end face of the first steel pipe upper section 11A. The first extension of the first copper sleeve 12 does not completely cover the second copper sleeve 22 such that the second copper sleeve upper section 22A extends a predetermined length from the first copper sleeve upper section 12A. The first connection mode increases the strength of the joint of the pipeline connection structure, reduces the risk of pipeline breakage and leakage, and improves the reliability of the pipeline connection structure.
Example two:
as shown in fig. 12, the difference between this embodiment and the first embodiment is that a certain distance is left between the end surface of the second copper sheathing lower section 22B and the end surface of the first steel pipe upper section 11A. The rest is the same as the first embodiment, and is not described herein again.
In this embodiment, a certain distance is left between the end surface of the second copper bush lower section 22B and the end surface of the first steel pipe upper section 11A, and the method is suitable for occasions with large axial length of the connecting part.
Example three:
as shown in fig. 13, the difference between the present embodiment and the first embodiment is that the second copper sheathing lower section 22B extends beyond the second steel pipe lower section 21B to form a second extending section, and the end surface of the second extending section abuts against the end surface of the first steel pipe upper section 11A. The rest is the same as the first embodiment, and is not described herein again.
In the third embodiment, a certain distance is provided between the first steel pipe 11 and the second steel pipe 21, so that the solder penetration is large, the sealing performance is good, and the problem of dripping of redundant solder can be avoided.
Example four:
in this embodiment, as shown in fig. 14, the pipeline connection structure includes a first steel pipe 11, a first copper sleeve 12, a second steel pipe 21 and a second copper sleeve 22, the first steel pipe 11 has a first steel pipe upper section 11A and a first steel pipe lower section 11B, the second steel pipe 21 has a second steel pipe lower section 21B and a second steel pipe upper section 21A, the first copper sleeve 12 has a first copper sleeve upper section 12A and a first copper sleeve lower section 12B, and the second copper sleeve 22 has a second copper sleeve lower section 22B and a second copper sleeve upper section 22A. The first copper bush 12 is sleeved outside the first steel pipe upper section 11A, in the figure, the first copper bush upper section 12A is located at the upper part, the first copper bush lower section 12B is located at the lower part, the first steel pipe upper section 11A is located at the upper part, the first steel pipe lower section 11B is located at the lower part, and the first copper bush upper section 12A extends beyond the first steel pipe upper section 11A to form a first extending section. The second copper sleeve 22 is sleeved on the second steel pipe lower section 21B. The first steel pipe 11 and the first copper sleeve 12 are welded into a whole, the second steel pipe 21 and the second copper sleeve 22 are welded into a whole, and the first extending section of the first copper sleeve 12 is sleeved outside the second copper sleeve 22 and welded with the second copper sleeve 22.
The size of the first steel pipe upper section 11A is the same as that of the first steel pipe lower section 11B, the inner diameter of the first copper bush lower section 12B is equal to the outer diameter of the first steel pipe 11, the inner diameter of the first copper bush upper section 12A is smaller than that of the first copper bush lower section 12B and is equal to that of the second copper bush 22, the size of the second copper bush lower section 22B is the same as that of the second copper bush upper section 22A, and the size of the second steel pipe lower section 21B is the same as that of the second steel pipe upper section 21A.
The end face of the first steel pipe upper section 11A is located at the position of size change of the first copper bush upper section 12A and the first copper bush lower section 12B, a positioning protrusion 111 for stopping the second copper bush lower section 22B is arranged on the inner wall of the first steel pipe 11, and the second copper bush lower section 22B extends into the first steel pipe 11 and enables the end face of the second copper bush lower section 22B to be in contact with the positioning protrusion 111 on the inner wall of the first steel pipe 11. The first extension of the first copper sleeve 12 does not completely cover the second copper sleeve 22 such that the second copper sleeve upper section 22A extends a predetermined length from the first copper sleeve upper section 12A. Example five:
in this embodiment, as shown in fig. 15, the pipeline connection structure includes a first pipe 31, a second pipe 41 and a third copper sleeve 42, the first pipe 31 is a copper pipe or a copper-plated pipe, the second pipe 41 is a steel pipe, the third copper sleeve 42 is sleeved outside the lower section 41B of the second pipe and welded to the second pipe 41, and the upper section of the first pipe 31 is sleeved outside the third copper sleeve 42 and welded to the third copper sleeve 42. The lower section of the third copper bush 42 extends out from the lower section 41B of the second pipe, the upper section of the first pipe 31 is enlarged to form a transition section, and a filter screen compression ring 5 is arranged between the lower section 41B of the second pipe and the transition section of the first pipe 31.
In this embodiment, the filter screen compression ring 5 is provided, so that the solder can be prevented from falling into the compressor.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
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 at least one such 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," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. 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 and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although 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 can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A pipeline connecting structure is characterized by comprising a first steel pipe, a first copper sleeve, a second steel pipe and a second copper sleeve, the first steel pipe comprises a first steel pipe upper section and a first steel pipe lower section, the second steel pipe comprises a second steel pipe upper section and a second steel pipe lower section, the first copper sleeve comprises a first copper sleeve upper section and a first copper sleeve lower section, the second copper sleeve comprises a second copper sleeve upper section and a second copper sleeve lower section, the first copper sleeve is sleeved on the upper section of the first steel pipe, the upper section of the first copper sleeve extends beyond the upper section of the first steel pipe to form a first extending section, the second copper sleeve is sleeved on the lower section of the second steel pipe, the first steel pipe is fixedly connected with the first copper sleeve, the second steel pipe is fixedly connected with the second copper sleeve, and the first extending section of the first copper sleeve is sleeved outside the second copper sleeve and is fixedly connected with the second copper sleeve; and a positioning bulge for stopping the lower section of the second copper sleeve is arranged on the inner wall of the first steel pipe.
2. The pipe connection according to claim 1, wherein the second copper sheathing lower section extends beyond the second steel pipe lower section to form a second extension section or is flush with the second steel pipe lower section, and the second copper sheathing upper section extends from the first copper sheathing upper section by a predetermined length.
3. The pipe connection structure according to claim 2, wherein the first steel pipe or the first copper bush is a drift diameter pipe or a reducer diameter pipe.
4. The pipe connection structure according to any one of claims 1 to 3, wherein an end surface of a lower section of the second copper bush abuts against or is spaced from an end surface of an upper section of the first steel pipe.
5. The pipe connection according to any one of claims 1 to 3, wherein the second copper sheathing lower section extends into the first steel pipe.
6. The pipe connection structure according to claim 1, wherein the first steel pipe upper section is flared or necked-in.
7. A compressor assembly comprising a compressor and the pipe connecting structure according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040236.XU CN215410630U (en) | 2021-05-14 | 2021-05-14 | Pipeline connection structure and compressor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040236.XU CN215410630U (en) | 2021-05-14 | 2021-05-14 | Pipeline connection structure and compressor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410630U true CN215410630U (en) | 2022-01-04 |
Family
ID=79675467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121040236.XU Active CN215410630U (en) | 2021-05-14 | 2021-05-14 | Pipeline connection structure and compressor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237152A1 (en) * | 2021-05-14 | 2022-11-17 | 广东美的暖通设备有限公司 | Pipeline assembly and air conditioning system |
-
2021
- 2021-05-14 CN CN202121040236.XU patent/CN215410630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237152A1 (en) * | 2021-05-14 | 2022-11-17 | 广东美的暖通设备有限公司 | Pipeline assembly and air conditioning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102554484A (en) | Metal pipe welding method and metal pipe welding assembly | |
| CN215410630U (en) | Pipeline connection structure and compressor assembly | |
| EP4130537A1 (en) | Pipeline connection structure, compressor assembly, and air conditioner | |
| CN102363236A (en) | Metal pipe fitting welding method and metal pipe fitting welding component | |
| CN217058040U (en) | Pipeline device and refrigerating system with same | |
| US20240255238A1 (en) | Connector and heat exchanger having same | |
| KR102698060B1 (en) | Plate heat exchanger | |
| CN115342242A (en) | Pipeline connection structure and compressor assembly | |
| CN204913089U (en) | Pipe fitting welded structure | |
| CN206816984U (en) | A kind of refrigeration system pipeline | |
| CN211039983U (en) | Pipe fitting connection structure and muffler | |
| CN216618853U (en) | Pipe sleeve, pipeline assembly and air conditioner with pipeline assembly | |
| WO2023061367A1 (en) | Pipe sleeve, pipeline device, and air conditioner having pipeline device | |
| CN207195143U (en) | A kind of compressor air suction structure | |
| CN215373051U (en) | Refrigerant pipeline and air conditioner | |
| CN211449959U (en) | Flange structure for aluminum alloy vacuum system | |
| CN212823711U (en) | Pipe body connecting structure convenient to weld | |
| CN213685372U (en) | Piping subassembly, cross valve subassembly and air conditioning system | |
| CN210689274U (en) | Heat exchanger and gas water heater with same | |
| CN110873246A (en) | Flange structure for aluminum alloy vacuum system and manufacturing method thereof | |
| CN206846124U (en) | A kind of pipe fitting joint structure and refrigeration machine | |
| CN218096706U (en) | Stop valve assembly and air conditioner with same | |
| CN218096711U (en) | Pipeline device and refrigeration system with same | |
| CN216009944U (en) | Air conditioner pipe fitting, air conditioner pipeline and air conditioner | |
| CN220540570U (en) | High temperature resistant HDPE pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |