CN213685718U - Stainless steel gas collecting pipe assembly - Google Patents
Stainless steel gas collecting pipe assembly Download PDFInfo
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- CN213685718U CN213685718U CN202021693721.2U CN202021693721U CN213685718U CN 213685718 U CN213685718 U CN 213685718U CN 202021693721 U CN202021693721 U CN 202021693721U CN 213685718 U CN213685718 U CN 213685718U
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- stainless steel
- end cap
- branch pipe
- end cover
- hole
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Abstract
The utility model provides a stainless steel discharge subassembly, be responsible for and the branch pipe including the stainless steel, stainless steel discharge subassembly still includes the end cover, the end cover is equipped with at least one and runs through the connecting hole of end cover, the one end of branch pipe is fixed in the connecting hole, the periphery wall of end cover with stainless steel is responsible for's interior perisporium transition fit or interference fit, with will the stainless steel be responsible for with the branch pipe is fixed and the intercommunication to can guarantee that the stainless steel is responsible for and the branch pipe carries out fixed connection through the end cover.
Description
Technical Field
The utility model relates to a refrigeration field especially relates to a stainless steel discharge subassembly.
Background
In the refrigerant circuit of an air conditioning system, a header assembly is often employed to distribute the flow of refrigerant. And the traditional gas collecting pipe assembly is made of copper materials, so that the material cost is high. In order to reduce the cost, the prior art has the main pipe of the gas collecting pipe component made of stainless steel pipe, and the gas collecting pipe component of the copper branch pipe is welded on the main pipe, and one end of the main pipe made of stainless steel pipe can not be screwed to form an end part similar to the end cover to connect the branch pipe.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a stainless steel gas collecting tube assembly, which can ensure that the stainless steel main tube and the branch tube are fixedly connected through the end cap.
The utility model provides a stainless steel discharge subassembly, be responsible for and the branch pipe including the stainless steel, a serial communication port, stainless steel discharge subassembly still includes the end cover, the end cover is equipped with at least one and runs through the connecting hole of end cover, the one end of branch pipe is fixed in the connecting hole, the periphery wall of end cover with stainless steel is responsible for's interior perisporium transition fit or interference fit, in order to incite somebody to action the stainless steel be responsible for with the branch pipe is fixed and communicates.
So set up, during the connecting hole of end cover was fixed in to the branch pipe, the periphery wall of end cover can be responsible for with the stainless steel internal perisporium and carry out transition fit or interference fit to the realization passes through the periphery wall with the end cover and fixes in the internal perisporium that the stainless steel was responsible for, has realized being responsible for the stainless steel and has carried out fixed connection's effect with the branch pipe.
In an embodiment of the present invention, the connection hole includes a first hole section and a second hole section, a diameter of the first hole section is larger than a diameter of the second hole section, and the branch pipe may be fixedly inserted into the first hole section.
So set up, divide into two different first hole sections of diameter and second hole section with the connecting hole, can make the branch pipe can fix in first hole section and can not insert in the second hole section, avoid the branch pipe outstanding the end cover.
In an embodiment of the present invention, the diameter of the second hole section is greater than or equal to the inner diameter of the branch pipe.
So set up, the diameter of second hole section is not less than the internal diameter of branch pipe, can guarantee to flow to the in-process of second hole section from the branch pipe when the fluid, can not receive the resistance, has guaranteed the circulation ability of stainless steel gas collecting tube subassembly.
In an embodiment of the present invention, the end cap further includes a step portion, the step portion is located between the first hole section and the second hole section, and the end of the branch pipe abuts against the step portion.
So set up, step portion can inject the branch pipe and continue to insert along first hole section, has avoided the excessive insertion of branch pipe to play limiting displacement.
In an embodiment of the present invention, along an axial direction of the connection hole, a length of the first hole section is greater than a third of a length of the end cap.
So set up, first hole section is along the axial direction's of connecting hole length is greater than the third the end cover is along the axial direction's of connecting hole length can guarantee to fix the branch pipe firmly on the end cover, prevents that the insecure emergence of being connected of branch pipe and end cover from rocking the scheduling problem.
In an embodiment of the present invention, the branch pipe includes an insertion portion and an outer extension portion, an outer diameter of the insertion portion is smaller than an outer diameter of the outer extension portion, and the insertion portion and the outer extension portion are in conical surface transition therebetween, and the outer extension portion can be clamped into the connection hole.
So set up, through the joint effect of conical surface epitaxial portion and connecting hole, can inject the length of the connecting hole of branch pipe insertion portion lid.
In an embodiment of the present invention, a length of the insertion portion along an axial direction of the connection hole is less than or equal to a length of the end cap along the axial direction of the connection hole.
So set up, can avoid the connecting hole to pass by the portion of inserting of branch pipe.
In an embodiment of the present invention, the end cap further includes a flange disposed on an end surface of the end cap, and a diameter of the flange is greater than or equal to an inner diameter of the stainless steel main pipe.
So set up, the flange can keep out the tip in the stainless steel is responsible for, plays the limiting displacement to the end cover inserts the stainless steel is responsible for.
In an embodiment of the present invention, an arc angle is disposed between the other end surface of the end cover and the outer peripheral wall of the end cover.
So set up, be convenient for insert the end cover and be responsible for the assembly to the stainless steel.
In an embodiment of the present invention, the end cap is a stainless steel end cap.
So set up, the end cover that adopts stainless steel material to make can guarantee that the stainless steel is responsible for and under the fixed prerequisite of branch pipe, reduce cost.
Drawings
Fig. 1 is a schematic structural view of a stainless steel gas collecting tube assembly provided by the present invention.
Fig. 2 is a schematic cross-sectional view of a stainless steel gas manifold assembly according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the end cap according to the above embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a stainless steel gas manifold assembly according to another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the end cap according to the above embodiment of the present invention.
10. A stainless steel main pipe; 20(20A), branch pipes; 21A, an insertion part; 22A, an extension part; 30(30A), end caps; 31(31A), a connection hole; 311. a first bore section; 312. a second bore section; 313. a step portion; 32. a flange; 33. and (5) arc angle.
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, the present invention provides a stainless steel gas collecting tube assembly, which generally comprises a stainless steel main tube 10 and a plurality of branch tubes 20, wherein the branch tubes 20 are used to be installed on the stainless steel main tube 10, and the branch tubes 20 are divided into the branch tubes 20 installed on the side wall of the stainless steel main tube 10 and the branch tubes installed at the end of the stainless steel main tube 10. In the present invention, the branch pipe 20 is an end portion for being installed in the main stainless steel pipe 10.
As shown in fig. 1 and fig. 2, for the illustration of a stainless steel gas collecting tube assembly provided by the present invention, this stainless steel gas collecting tube assembly includes that the stainless steel is responsible for 10, branch pipe 20 and the end cover 30 that is used for carrying out fixed connection with the stainless steel person in charge 10 and branch pipe 20, end cover 30 is equipped with at least one connecting hole 31 that runs through end cover 30, the one end of branch pipe 20 is fixed in connecting hole 31, the peripheral wall of end cover 30 and the stainless steel person in charge 10 internal perisporium transition fit or interference fit to be responsible for 10 with the stainless steel and fixed and the intercommunication of branch pipe 20. Specifically, the branch pipe 20 is inserted into the connection hole 31, and may be fixed by welding, to fix the branch pipe 20 to the end cap 30. The outer peripheral wall of the end cover 30 and the inner peripheral wall of the stainless steel main pipe 10 are in transition fit or interference fit, and the clearance value is-0.1 mm. Therefore, the branch pipe 20 and the main stainless steel pipe 10 are conveniently and fixedly connected through the end cap 30, and the connection hole 31 penetrating through the end cap 30 can ensure that the main stainless steel pipe 10 and the branch pipe 20 are communicated.
As shown in fig. 3, the end cap 30 further includes a flange 32 disposed on an end surface of the end cap 30, and the diameter of the flange 32 is greater than or equal to the inner diameter of the main stainless steel pipe 10. So that the flange 32 can abut the end of the main stainless steel tube 10 and limit the insertion of the end cap 30 into the main stainless steel tube 10.
As shown in fig. 3, a circular arc angle 33 is provided between the other end surface of the end cap 30 and the outer peripheral wall of the end cap 30, so that the end cap 30 can be inserted into the inner diameter of the main stainless steel pipe 10 for assembly.
In an embodiment of the present invention, the end cover 30 is made of stainless steel material, so as to reduce the cost on the premise of ensuring that the main stainless steel pipe 10 and the branch pipe 20 are fixed.
As shown in fig. 2 and 3, for the embodiment of the end cover fixedly connecting the main stainless steel pipe and the branch pipe, the connecting hole 31 of the end cover 30 includes a first hole section 311 and a second hole section 312, the diameter of the first hole section 311 is larger than that of the second hole section 312, and the branch pipe 20 can be fixedly inserted into the first hole section 311, so that the branch pipe 20 can be fixed in the first hole section 311 but cannot be inserted into the second hole section 312, and the branch pipe 20 is prevented from protruding out of the end cover 30.
As shown in fig. 3, the diameter of the first hole section 311 is greater than or equal to the outer diameter of the branch pipe 20, and the diameter of the second hole section 312 is not less than the inner diameter of the branch pipe 20, so that the fluid is not subjected to resistance in the process of flowing from the branch pipe 20 to the second hole section 312, and the flow capacity of the stainless steel gas header assembly is ensured.
As shown in fig. 3, the end cap 30 further includes a step 313, the step 313 is located between the first hole section 311 and the second hole section 312, an end of the branch pipe 20 abuts against the step 313, and the step 313 can limit the insertion of the branch pipe 20 into the second hole section 312.
As shown in fig. 3, the first bore section 311 is longer than one third of the end cap 30 in the axial direction of the coupling bore 31. Specifically, the length L1 of the first hole section 311 in the axial direction of the connecting hole 31 is greater than the length L2 of the one-third end cap 30 in the axial direction of the connecting hole 31, i.e., L1>1/3L2, so that the branch pipe 20 can be firmly fixed on the end cap 30, and the problems of shaking and the like caused by the loose connection of the branch pipe 20 and the end cap 30 can be prevented.
As shown in fig. 4 and 5, for the illustration of the implementation mode of fixedly connecting the stainless steel main pipe and the branch pipe by the end cover according to another embodiment of the present invention, the branch pipe 20A includes an insertion portion 21A and an extension portion 22A, the outer diameter of the insertion portion 21A is smaller than the outer diameter of the extension portion 22A, and a conical surface transition is formed between the insertion portion 21A and the extension portion 22A, the extension portion 22A can be clamped into the connection hole 31A, and then the length of the branch pipe 20A inserted into the connection hole 31A can be limited by the clamping action of the extension portion 22A and the connection hole 31A. Specifically, when the branch tube 20A is inserted into the connection hole 31A at a certain position, the outer extension 22A may contact the edge of the end cap 30A, restricting further insertion of the branch tube 20A into the band connection hole 31A. Here, after the insertion portion 21A is inserted into the connection hole 31A, both may be fixed by welding. In order to ensure the quality of fixation, it is ensured that the length of insertion of the insertion portion 21A is not less than one third of the length of the end cap 30A in the axial direction of the coupling hole 31A.
As shown in fig. 4, the length of the insertion portion 21A in the axial direction of the connection hole 31A is smaller than or equal to the length of the end cap 30A in the axial direction of the connection hole 31A, so that the insertion portion 21A of the branch pipe 20A can be prevented from passing through the connection hole 31A.
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. The utility model provides a stainless steel discharge subassembly, includes that the stainless steel is responsible for and the branch pipe, its characterized in that, stainless steel discharge subassembly still includes the end cover, the end cover is equipped with at least one and runs through the connecting hole of end cover, the one end of branch pipe is fixed in the connecting hole, the periphery wall of end cover with the stainless steel is responsible for the internal perisporium transition fit or interference fit, in order to incite somebody to action the stainless steel is responsible for with the branch pipe is fixed and communicates.
2. The stainless steel manifold assembly of claim 1, wherein the connection holes comprise a first hole section and a second hole section, the first hole section having a diameter greater than a diameter of the second hole section, and the branch tubes are secured to the first hole section.
3. The stainless steel manifold assembly of claim 2, wherein the second bore section has a diameter equal to or greater than an inner diameter of the branch tubes.
4. The stainless steel gas header assembly of claim 2, wherein the end cap further comprises a step between the first bore section and the second bore section, the ends of the branch tubes abutting the step.
5. The stainless steel header assembly of claim 2, wherein the first bore section has a length greater than one third of a length of the end cap in an axial direction of the connection bore.
6. The stainless steel manifold assembly of claim 1, wherein the manifold includes an insert portion and an extension portion, wherein the insert portion has an outer diameter dimension that is less than an outer diameter dimension of the extension portion, and wherein the insert portion and the extension portion have a tapered transition therebetween, and wherein the extension portion is capable of being snapped into the connection hole.
7. The stainless steel gas header assembly of claim 6, wherein the length of the insertion portion along the axial direction of the connection hole is less than or equal to the length of the end cap.
8. The stainless steel header assembly of claim 2 or 6, wherein the end cap further comprises a flange disposed on an end face of the end cap, the flange having a diameter greater than or equal to an inner diameter of the stainless steel main tube.
9. The stainless steel gas manifold assembly of claim 8, wherein an arc angle is provided between the other end face of the end cap and the outer peripheral wall of the end cap.
10. The stainless steel manifold assembly of claim 1, wherein the end cap is a stainless steel end cap.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021693721.2U CN213685718U (en) | 2020-08-14 | 2020-08-14 | Stainless steel gas collecting pipe assembly |
| KR1020237004867A KR20230049095A (en) | 2020-08-14 | 2021-08-10 | Pipe members, pipe assemblies and heat exchangers |
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021693721.2U CN213685718U (en) | 2020-08-14 | 2020-08-14 | Stainless steel gas collecting pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213685718U true CN213685718U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021693721.2U Active CN213685718U (en) | 2020-08-14 | 2020-08-14 | Stainless steel gas collecting pipe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213685718U (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
- 2020-08-14 CN CN202021693721.2U patent/CN213685718U/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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