CN213631075U - Gas collecting pipe assembly - Google Patents
Gas collecting pipe assembly Download PDFInfo
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- CN213631075U CN213631075U CN202021715888.4U CN202021715888U CN213631075U CN 213631075 U CN213631075 U CN 213631075U CN 202021715888 U CN202021715888 U CN 202021715888U CN 213631075 U CN213631075 U CN 213631075U
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- pipe
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- branch pipe
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Abstract
The utility model relates to a gas collecting pipe component, which comprises a main pipe, a plurality of branch pipes, a multi-way pipe or a first bent pipe, wherein the main pipe is made of stainless steel; at least one branch pipe in the plurality of branch pipes is greater than or equal to 50mm in length, and the branch pipe which is greater than or equal to 50mm in length is made of stainless steel and is welded with the main pipe; and/or one end of at least one branch pipe in the plurality of branch pipes is communicated with the main pipe and is welded with the main pipe, the other end of the branch pipe is communicated with the multi-way pipe or the first bent pipe, and the at least one branch pipe is made of stainless steel. The utility model has the advantages that: the hardness between the branch pipes and the multi-way pipes is improved, so that the copper pipes are prevented from softening and deforming, and the cost is reduced.
Description
Technical Field
The utility model relates to a refrigeration technology field especially relates to a discharge subassembly.
Background
The gas collecting pipe assembly is applied to an air conditioning system, and plays a role in guiding the circulation of a refrigerant and optimizing a flow path structure. The common gas collecting pipe assembly comprises a main pipe and branch pipes, wherein the main pipe is made of stainless steel, and the branch pipes are welded with the main pipe; the branch pipes connected with the two ends of the heat exchanger are made of copper;
however, when the copper branch pipe is welded to the stainless steel main pipe, the copper branch pipe is softened and deformed, and the branch pipe is made of copper, which results in high cost.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a gas collecting tube assembly with high welding quality and low cost.
The utility model provides a gas collecting pipe component, which comprises a main pipe, a plurality of branch pipes, a multi-way pipe or a first bent pipe, wherein the main pipe is made of stainless steel; at least one branch pipe in the plurality of branch pipes is greater than or equal to 50mm in length, and the branch pipe which is greater than or equal to 50mm in length is made of stainless steel and is connected with the main pipe in a welding mode;
and/or one end of at least one of the branch pipes is communicated with the main pipe and is welded with the main pipe, the other end of the branch pipe is communicated with the multi-way pipe or the first bent pipe, and the branch pipe is made of stainless steel.
In the application, when the length of the branch pipe is not less than 50mm, the branch pipe is made of stainless steel; when the branch pipe is connected with the multi-way pipe or the first bent pipe, the branch pipe is made of stainless steel; the problem of the softening deformation of the copper pipe caused by overlong branch pipes or mutual welding of the branch pipes and the main pipe which are made of different materials is avoided.
In one embodiment, a second bent pipe extends from one end of the main pipe, and the second bent pipe is made of stainless steel.
So set up, can make the stainless steel be responsible for and be the integral type shaping of bending.
In one embodiment, the branch pipe and the main pipe are in clearance fit, and the clearance value is 0.01-0.1 mm; or the branch pipe and the main pipe are in interference fit.
The gap value is set to be 0.01mm-0.1mm, so that the penetration of the solder is facilitated; meanwhile, the branch pipe part is provided with the garland, and the branch pipe can be ensured to be assembled more tightly through transition fit.
In one embodiment, a plurality of connecting holes are formed in the outer side wall of the main pipe, and a part of the branch pipes in the plurality of branch pipes are fixed in the connecting holes in a one-to-one correspondence manner.
So set up, be convenient for be connected between branch pipe and the person in charge.
In one embodiment, a positioning portion is arranged on an outer wall of one end, connected with the main pipe, of the branch pipe, the positioning portion protrudes out of the outer wall of the branch pipe along the diameter direction of the branch pipe, and when the branch pipe is installed in the connecting hole, the positioning portion can abut against the outer wall of the main pipe.
It can be understood that the outer wall of the branch pipe is provided with a positioning part, when the branch pipe extends into the connecting hole and is connected with the main pipe, the positioning part can be abutted against the outer wall of the main pipe to play a limiting role, and the branch pipe is prevented from being inserted into the inner part of the main pipe to be too deep.
In one embodiment, an insertion section is arranged at one end of the branch pipe connected with the main pipe, and the insertion section is in transition connection with the branch pipe through an inclined plane; the gas collecting pipe assembly comprises a welding ring, and the welding ring is sleeved at the outer side wall of the inclined plane and can be abutted against the outer wall of the main pipe.
It can be understood that the inclined plane is arranged to play a guiding role and is matched with the welding ring for use, so that the welding ring can be abutted against the large-diameter end of the inclined plane.
In one embodiment, one end of the branch pipe connected with the multi-way pipe is provided with a reducing section, and the reducing section can be inserted into the multi-way pipe.
So set up, be convenient for the connection of multi-ported pipe and branch pipe.
In one embodiment, one end of the branch pipe connected with the multi-way pipe is provided with a flaring section, and the multi-way pipe can be inserted into the flaring section.
So set up, be convenient for the connection of multi-ported pipe and branch pipe.
In one embodiment, a notch is formed in the outer side wall of the insertion end in the circumferential direction and used for solder penetration.
So set up, the solder falls into the inside of being responsible for through the gap when avoiding the welding.
In one embodiment, the outer wall of the necking section is circumferentially provided with a capillary action surface.
It will be appreciated that the connection is made tighter by providing a capillary surface to increase the circumferential roughness of the outer wall of the constriction.
Compared with the prior art, the gas collecting pipe assembly provided by the utility model has the advantages that when the length of the branch pipe is not less than 50mm, the branch pipe is made of stainless steel; or when the branch pipe is connected with the multi-way pipe or the first bent pipe, the branch pipe is made of stainless steel to replace the existing copper pipe; the problems that the copper pipe is softened and deformed when the branch pipe is too long or the branch pipe and the main pipe are welded with each other by pipelines made of different materials are solved.
Drawings
Fig. 1 is a schematic structural diagram of a gas collecting tube assembly provided by the present invention.
Fig. 2 is a partially enlarged schematic structural view of an embodiment of welding the branch pipe and the main pipe in fig. 1.
Fig. 3 is a partially enlarged schematic structural view of another embodiment of the welding of the branch pipe and the main pipe in fig. 1.
Fig. 4 is a partially enlarged structural view of the manifold of fig. 3.
Fig. 5 is a partially enlarged structural schematic view of a necking section in the embodiment of fig. 1.
Fig. 6 is a partially enlarged schematic view of a necking section in another embodiment of fig. 1.
Fig. 7 is a partially enlarged structural view of the flared section of the embodiment of fig. 1.
In the figure, 100, a gas collecting pipe assembly; 10. a main pipe; 11. a second bend pipe; 12. connecting holes; 13. a protrusion; 20. a branch pipe; 21. a positioning part; 22. a plug section; 221. a notch; 23. a bevel; 24. a necking section; 25. a flared section; 30. a multi-pass tube; 50. and (7) welding a ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-7, the present invention provides a gas collecting tube assembly 100, wherein the gas collecting tube assembly 100 is applied to an air conditioning refrigeration system, and is used for optimizing the flow path structure of a refrigerant, so that the refrigerant can perform sufficient heat exchange.
As shown in fig. 1, specifically, the gas collecting tube assembly 100 includes a main tube 10, a plurality of branch tubes 20, a multi-way tube 30 and/or a first elbow (not shown), wherein the main tube 10 is made of stainless steel; among the branch pipes 20, at least one branch pipe 20 is greater than or equal to 50mm in length, and the branch pipe 20 greater than or equal to 50mm in length is made of stainless steel and is welded to the main pipe 10; and/or one end of at least one branch pipe 20 of the plurality of branch pipes 20 is communicated with the main pipe 10 and is welded with the main pipe 10, the other end is communicated with the multi-way pipe 30 or the first bent pipe, and the material of at least one branch pipe 20 is stainless steel. It can be understood that when the length of the branch pipe 20 is not less than 50mm, the branch pipe 20 is made of stainless steel; when the branch pipe 20 is connected with the multi-way pipe 30 or the first bent pipe, the branch pipe 20 is made of stainless steel; thereby avoiding the problem of softening and deforming the copper pipe when the branch pipe 20 is too long or the branch pipe 20 and the main pipe 10 are welded with each other by using pipes made of different materials.
In the present embodiment, the first bend is constituted by a plurality of curved long legs.
Further, the remaining (the length of the branch pipe 20 is less than 50mm or not connected to the multi-way pipe 30 or the first bent pipe) branch pipe 20 is made of copper, but not limited to copper, and the remaining branch pipe 20 may also be made of stainless steel or a combination of copper and stainless steel.
In one embodiment, a second bent pipe 11 extends from one end of the main pipe 10, and the second bent pipe 11 is made of stainless steel. The pipeline material of bending department at being responsible for 10 adopts the stainless steel promptly, and the stainless steel of being convenient for is responsible for 10 and is the integral type shaping of bending, and promotes the hardness of junction.
Further, as shown in fig. 1 to 3, a plurality of connection holes 12 are opened on an outer side wall of the main pipe 10, and some of the branch pipes 20 among the plurality of branch pipes 20 are fixed in the connection holes 12 in a one-to-one correspondence, so that a part of the refrigerant in the main pipe 10 flows into the main pipe 10 from the branch pipes 20.
As shown in fig. 2, in an embodiment, a positioning portion 21 is provided on an outer wall of one end of the branch pipe 20 connected to the main pipe 10, the positioning portion 21 protrudes from the outer wall of the branch pipe 20 in a diameter direction of the branch pipe 20, and the positioning portion 21 can abut against the outer wall of the main pipe 10 when the branch pipe 20 is installed in the connection hole 12. It can be understood that the outer wall of the branch pipe 20 is provided with a positioning portion 21, and when the branch pipe 20 extends into the connecting hole 12 to be connected with the main pipe 10, the positioning portion 21 can abut against the outer wall of the main pipe 10 to play a limiting role, so as to prevent the branch pipe 20 from being inserted too deep into the main pipe 10.
Furthermore, the outer wall of the main pipe 10 is provided with a plurality of protrusions 13, and each protrusion 13 is provided with a connecting hole 12. The outer wall of the branch pipe 20 is provided with a positioning part 21, and when the branch pipe 20 extends into the connecting hole 12 to be connected with the main pipe 10, the positioning part 21 can abut against the bulge 13, thereby playing a role in limiting.
As shown in fig. 3, in an embodiment, an insertion section 22 is provided at one end of the branch pipe 20 connected to the main pipe 10, and an inclined surface 23 is provided on an outer surface of the insertion section 22; the gas collecting tube assembly 100 includes a welding ring 50, and the welding ring 50 is sleeved on the inclined surface 23 of the insertion section 22 and can abut against the outer wall of the main tube 10. It will be appreciated that the provision of the ramp 23 acts as a guide for the weld ring 50 to be used in conjunction with enabling the weld ring 50 to abut against the large diameter end of the ramp 23. Of course, the end of the plug section 22 remote from the main pipe 10 may also be transitionally connected by other structures, such as a stepped surface.
Furthermore, the outer wall of the main pipe 10 is provided with a plurality of protrusions 13, and each protrusion 13 is correspondingly provided with a connecting hole 12. The outer wall of the inclined plane 23 is sleeved with the welding ring 50, and when the branch pipe 20 extends into the connecting hole 12 to be connected with the main pipe 10, the welding ring 50 can abut against the protrusion 13, so that a limiting effect is achieved.
As shown in fig. 4, further, the outer side wall of the plug section 22 is circumferentially provided with a notch 221, and the notch 221 is used for receiving solder when the main pipe 10 is welded with the branch pipe 20, so that the solder is prevented from falling into the main pipe 10 through a gap during welding.
Preferably, the notch 221 includes a plurality of notches 221, the plurality of notches 221 are arranged at intervals along the circumferential direction of the plug section 22, and the width of each notch 221 extends along the axial direction of the plug section 22. It will be appreciated that the provision of a plurality of notches 221 more fully cradle the solder, further avoiding solder from falling through the gap into the main tube 10 during soldering.
Of course, in other embodiments, the width of each slot 221 may also extend circumferentially along the plug section 22, or both circumferentially along the plug section 22 and axially along the plug section 22, i.e. each slot 221 width extends in a spiral manner.
In one embodiment, the branch pipe 20 and the main pipe 10 are in clearance fit, and the clearance value is 0.01mm-0.1mm, so that the penetration of solder is facilitated, and the phenomenon that the solder loosens and falls off during welding is avoided; or, the branch pipe 20 and the main pipe 10 are in interference fit, and the branch pipe 20 is partially provided with a garland (not shown), so that the branch pipe 20 can be more tightly assembled through transition fit.
As shown in fig. 5 and 6, in one embodiment, one end of the branch pipe 20 connected to the multi-way pipe 30 has a reduced section 24, and the reduced section 24 can be inserted into the multi-way pipe 30, so as to connect the branch pipe 20 to the multi-way pipe 30.
Preferably, the outer wall of the constriction 24 is provided with a capillary surface (not shown) in the circumferential direction. The capillary action surface forms a reticulate pattern groove through the nick, of course, the capillary action surface can also form grooves with other shapes, for example, the capillary action surface forms a straight line groove, a twill groove, a bending line groove or a wavy line groove through the nick. In other embodiments, the wicking surface is formed into a rough surface by grinding. By arranging the capillary action surface, the circumferential roughness of the outer wall of the necking section 24 is increased, so that the connection is tighter.
In another embodiment, as shown in fig. 7, the end of the branch pipe 20 connected with the multi-way pipe 30 has a flared section 25, and the multi-way pipe 30 can be inserted into the flared section 25, so as to connect the branch pipe 20 with the multi-way pipe 30.
In the gas collecting tube assembly 100 provided by the utility model, when the length of the branch tube 20 is not less than 50mm, the branch tube 20 is made of stainless steel; when the branch pipe 20 is connected with the multi-way pipe 30 or the first bent pipe, the branch pipe 20 is made of stainless steel; thereby avoiding the problem of softening and deforming the copper pipe when the branch pipe 20 is too long or the branch pipe 20 and the main pipe 10 are mutually welded by pipelines made of different materials; the rigidity of the branch pipe 20 for connecting the multi-way pipe 30 is improved, and the cost is reduced.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (10)
1. A gas collecting pipe assembly is characterized by comprising a main pipe, a plurality of branch pipes, a multi-way pipe or a first bent pipe, wherein the main pipe is made of stainless steel;
at least one branch pipe in the plurality of branch pipes is greater than or equal to 50mm in length, and the branch pipe which is greater than or equal to 50mm in length is made of stainless steel and is connected with the main pipe in a welding mode; and/or
And one end of at least one of the branch pipes is communicated with the main pipe and is welded with the main pipe, the other end of the branch pipe is communicated with the multi-way pipe or the first bent pipe, and the at least one branch pipe is made of stainless steel.
2. The manifold assembly of claim 1, wherein a second elbow extends from one end of the main tube, the second elbow being stainless steel.
3. The manifold assembly of claim 1, wherein the branch tubes are in clearance fit with the main tube, and the clearance value is 0.01-0.1 mm;
or the branch pipe and the main pipe are in interference fit.
4. The manifold assembly of claim 1, wherein a plurality of connection holes are formed in an outer side wall of the main pipe, and a portion of the branch pipes among the plurality of branch pipes are fixed in the connection holes in a one-to-one correspondence.
5. The gas collecting tube assembly according to claim 4, wherein a positioning portion is provided on an outer wall of one end of the branch tube connected to the main tube, the positioning portion protruding from the outer wall of the branch tube in a diameter direction of the branch tube, and the positioning portion can abut against the outer wall of the main tube when the branch tube is mounted in the connecting hole.
6. The gas collecting pipe assembly according to claim 4, wherein one end of the branch pipe connected with the main pipe is provided with an insertion section, and the insertion section is in transition connection with the branch pipe through an inclined plane;
the gas collecting pipe assembly comprises a welding ring, and the welding ring is sleeved on the inclined plane and can be abutted against the outer wall of the main pipe.
7. The manifold assembly of claim 1, wherein the end of the branch tube connected to the manifold has a necked-down section that can be plugged into the manifold.
8. The manifold assembly of claim 1, wherein the end of the manifold to which the manifold is connected has a flared section into which the manifold can be inserted.
9. The manifold assembly of claim 6, wherein the outer sidewall of the plug section is circumferentially provided with a notch for solder penetration.
10. The manifold assembly of claim 7, wherein the outer wall of the converging section is circumferentially provided with a wicking surface.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715888.4U CN213631075U (en) | 2020-08-17 | 2020-08-17 | Gas collecting pipe assembly |
| JP2022573436A JP2023537455A (en) | 2020-08-14 | 2021-08-10 | Fittings, tube assemblies and heat exchangers |
| PCT/CN2021/111802 WO2022033479A1 (en) | 2020-08-14 | 2021-08-10 | Tube, tube assembly and heat exchanger |
| KR1020237004867A KR20230049095A (en) | 2020-08-14 | 2021-08-10 | Pipe members, pipe assemblies and heat exchangers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715888.4U CN213631075U (en) | 2020-08-17 | 2020-08-17 | Gas collecting pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213631075U true CN213631075U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021715888.4U Active CN213631075U (en) | 2020-08-14 | 2020-08-17 | Gas collecting pipe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213631075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033479A1 (en) * | 2020-08-14 | 2022-02-17 | 浙江盾安人工环境股份有限公司 | Tube, tube assembly and heat exchanger |
-
2020
- 2020-08-17 CN CN202021715888.4U patent/CN213631075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033479A1 (en) * | 2020-08-14 | 2022-02-17 | 浙江盾安人工环境股份有限公司 | Tube, tube assembly and heat exchanger |
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