CN214307725U

CN214307725U - Liquid storage device and air conditioning system thereof

Info

Publication number: CN214307725U
Application number: CN202022748076.6U
Authority: CN
Inventors: 江涛; 宇汝巢; 金海龙
Original assignee: Zhejiang Dunan Artificial Environment Co Ltd
Current assignee: Zhejiang Dunan Artificial Environment Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-28
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a stock solution technical field especially relates to a reservoir and air conditioning system thereof. A liquid storage device comprises a cylinder body and a first connecting pipe, wherein a storage cavity is formed in the cylinder body, a first opening is formed in one end of the cylinder body, the first connecting pipe is contained in the storage cavity, and one end of the first connecting pipe extends into the first opening and is welded with the cylinder body; follow the axis of barrel, have on the inner wall of first open-ended outer end to the heavy groove of stepping down that the storage chamber direction extends, first takeover stretches into be equipped with the edge on the one end lateral wall in the first opening first takeover is radially sunken, and follows the play air groove that the axis of barrel extends, just the part that goes out the air groove is located heavy groove department of stepping down. An air conditioning system comprises the liquid storage device. The utility model has the advantages that: the air in the solder can be effectively guided to be discharged, so that the problem of air holes caused by dead blocking is avoided, the welding quality is improved, and the leakage rate is reduced.

Description

Liquid storage device and air conditioning system thereof

Technical Field

The utility model relates to a stock solution technical field especially relates to a reservoir and air conditioning system thereof.

Background

The liquid storage device is one of common parts of an air conditioning system, the existing liquid storage device comprises a cylinder body, a second connecting pipe, a first connecting pipe and other parts, the first connecting pipe is arranged in the cylinder body and welded with the cylinder body, and one end of the second connecting pipe is connected with the first connecting pipe. And when first takeover and barrel welding at present, have the solder to be difficult for infiltration, welding bad and during the welding, the difficult air escape that appears the gas pocket between first takeover and the barrel.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide an accumulator and an air conditioning system thereof, which can improve the welding quality between a first connection pipe and a cylinder.

The utility model provides a liquid storage device, which comprises a barrel body and a first connecting pipe, wherein a storage cavity is arranged in the barrel body, a first opening is arranged at one end of the barrel body, the first connecting pipe is accommodated in the storage cavity, and one end of the first connecting pipe extends into the first opening and is welded with the barrel body;

follow the axis of barrel, have on the inner wall of first open-ended outer end to the heavy groove of stepping down that the storage chamber direction extends, first takeover stretches into be equipped with the edge on the one end lateral wall in the first opening first takeover is radially sunken and follows the play air groove that the axis of barrel extends, just the part that goes out the air groove is located heavy groove department of stepping down.

The method has the advantages that the abdicating sinking groove is formed, so that a larger trough for accommodating the solder can be formed between the first connecting pipe and the barrel in a surrounding mode, the solder can be better accumulated and filled in the abdicating sinking groove, the solder can conveniently permeate between the first connecting pipe and the hole wall of the first opening, dead angles do not exist, and welding firmness is improved; meanwhile, the air outlet groove is partially positioned in the yielding sinking groove, so that air in the solder can be guided to be discharged by the air outlet groove during welding, the problem of air holes caused by blocking is avoided, the welding quality is improved, and the leakage rate is reduced.

In one embodiment, the number of the air outlet grooves is multiple, and the air outlet grooves are arranged at intervals along the circumferential direction of the outer side wall of the first connecting pipe.

It can be understood that a plurality of air outlet grooves are arranged, so that air can be led out in a plurality of directions, and the welding quality is further improved.

In one embodiment, a connecting rib which corresponds to the air outlet groove and protrudes is formed on the inner wall of the first connecting pipe;

the liquid storage device further comprises a second connecting pipe, one end of the second connecting pipe extends into the first connecting pipe and is in interference fit with the connecting ribs, and the second connecting pipe is connected with the first connecting pipe in a welded mode.

It can be understood that, the setting of splice bar not only can make the second take over and first taking over be connected more firmly, moreover, after the one end that the second was taken over stretched into first takeover, can make the second take over and first takeover between form the clearance to the infiltration of solder improves welding quality when the welding.

In one embodiment, the depth of the abdicating sinking groove along the axial direction of the cylinder body is 3mm-4.5 mm.

In one embodiment, the extending direction of the air outlet groove is parallel to the axis of the cylinder; or an included angle is formed between the extending direction of the air outlet groove and the axis of the cylinder body;

the extending direction of the abdicating sinking groove is parallel to the axis of the cylinder body; or a certain included angle is formed between the extending direction of the abdicating sinking groove and the axis of the cylinder body.

In one embodiment, one end of the first connecting pipe is provided with an expanding section, and the expanding section extends into the first opening and is welded with the cylinder;

the air outlet groove is positioned on the outer side wall of the expanding section.

So set up, can be convenient for first takeover and the being connected of barrel.

In one embodiment, the wall thickness of the expanded diameter section is greater than the wall thickness of the second connecting pipe.

So set up, not only can be convenient for go out the processing of air slot, and can improve the joint strength between first takeover and the barrel.

In one embodiment, the accumulator further includes a filter assembly, a second opening is opened at one end of the cylinder body far away from the first opening, and the filter assembly is installed in the storage cavity and is arranged close to the second opening for filtering the refrigerant coming from the second opening.

In one embodiment, the filter assembly comprises a filter screen and a connecting seat, the connecting seat is arranged in the storage cavity and is in sealing connection with the cavity wall of the storage cavity, and the filter screen is fixed on the connecting seat;

the connecting seat is provided with a through hole, the axis of the through hole is intersected with the axis of the first connecting pipe, and an included angle between the axis of the through hole and the axis of the first connecting pipe is larger than 0 degree and smaller than 90 degrees.

It can be understood that the included angle between the axis of the through hole and the axis of the first connecting pipe is greater than 0 degree and less than 90 degrees, so that the through hole can be arranged away from the first connecting pipe, and liquid refrigerant is prevented from entering the first connecting pipe.

The utility model discloses still provide following technical scheme:

an air conditioning system comprises the liquid storage device.

Compared with the prior art, the liquid storage device provided by the utility model has the advantages that the liquid storage device is provided with the abdicating sinking groove, so that a larger trough for accommodating the solder can be enclosed between the first connecting pipe and the cylinder body, the solder can be better accumulated and filled at the abdicating sinking groove, the solder can be conveniently infiltrated between the first connecting pipe and the hole wall of the first opening, and the welding firmness is improved; meanwhile, the air outlet groove is partially positioned in the yielding sinking groove, so that air in the solder can be guided to be discharged by the air outlet groove during welding, the problem of air holes caused by blocking is avoided, the welding quality is improved, and the leakage rate is reduced.

Drawings

Fig. 1 is a schematic view of a reservoir structure provided in the present application.

Fig. 2 is an enlarged view of a in fig. 1 provided herein.

Fig. 3 is a schematic structural diagram of a first adapter tube provided in the present application.

100, a liquid storage device; 10. a barrel; 11. a storage chamber; 12. a first opening; 121. a yielding sink groove; 13. a middle cylinder; 14. a cover body; 15. a second opening; 20. a first adapter tube; 21. an air outlet groove; 22. connecting ribs; 23. a diameter expanding section; 30. a filter assembly; 31. filtering with a screen; 32. a connecting seat; 321. and a through hole.

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 an accumulator 100, and the accumulator 100 is applied to an air conditioning system for storing a refrigerant and/or performing gas-liquid separation on the refrigerant.

Referring to fig. 1 to 3, the liquid storage device 100 includes a cylinder 10 and a first connection pipe 20, the cylinder 10 has a storage cavity 11 therein, one end of the cylinder 10 has a first opening 12, the first connection pipe 20 is accommodated in the storage cavity 11, and one end of the first connection pipe 20 extends into the first opening 12 and is welded to the cylinder 10; and, along the axis of barrel 10, there is a yielding sink groove 121 extending towards the direction of storage chamber 11 on the inner wall of the outer end of first opening 12, and on the outer side wall of one end of first connecting pipe 20 extending into first opening 12, there is an air outlet groove 21 radially recessed along first connecting pipe 20 and extending along the axis of barrel 10, and part of air outlet groove 21 is located at yielding sink groove 121.

Conventionally, a plurality of convex outer ribs are generally arranged on the outer side wall of the first connecting pipe, when the first connecting pipe extends into the first opening 12, the outer ribs are in interference fit with the inner wall of the first opening, and then the first connecting pipe is welded with the cylinder. It can be understood that the outer convex rib is arranged on the outer side wall of the first connecting pipe, so that dead angles exist at the outer convex rib, and solder is difficult to permeate during welding, so that the risk of poor permeation exists; meanwhile, air inside the connector is not easy to exhaust during connection, and air holes are easy to generate. In addition, by arranging the abdicating sinking groove 121, a larger trough for accommodating the solder can be enclosed between the first connecting pipe 20 and the barrel 10, so that the solder can be better accumulated and filled in the abdicating sinking groove 121, the problem of dead angles does not exist, the solder can conveniently permeate between the first connecting pipe 20 and the hole wall of the first opening 12, and the welding firmness is improved; meanwhile, as the part of the air outlet groove 21 is positioned in the abdicating sinking groove 121, the air outlet groove 21 can guide air in the solder to be discharged during welding, so as to avoid the problem of air holes caused by blocking, improve the welding quality and reduce the leakage rate.

Further, the air outlet groove 21 is recessed toward the axial direction of the first connecting pipe 20 along the radial direction of the first connecting pipe 20; the extending direction of the air outlet groove 21 is parallel to the axis of the cylinder 10, or the extending direction of the air outlet groove 21 and the axis of the cylinder 10 form a certain included angle. The abdicating sinking groove 121 extends along the axis direction of the cylinder 10, and the extension line of the abdicating sinking groove 121 is parallel to the axis of the cylinder 10 or has a certain included angle. The end face of the abdicating sinking groove 121 is also provided with a chamfer angle for placing solder.

In one embodiment, as shown in fig. 1, the cylinder 10 includes a middle cylinder 13 and two covers 14 disposed at two ends of the middle cylinder 13, and the cylinder 10 is formed by spinning the two covers 14 at two ends to enclose the storage cavity 11. The first opening 12 is opened on one of the cover bodies 14, and the first connecting pipe 20 is welded to the cover body 14. Of course, one or two of the cover bodies 14 may be provided separately from the middle tube 13 and then fixedly connected by welding or the like.

Further, the depth of the abdicating sink groove 121 is 3mm-4.5mm along the axial direction of the cylinder 10. It can be understood that the depth of the recess 121 is too shallow to facilitate the receiving of solder, and too deep to facilitate the processing of the recess 121. Therefore, the depth of the yielding sinking groove 121 is 3mm-4.5mm, so that the solder can be better accumulated and filled in the yielding sinking groove 121, and the yielding sinking groove 121 is more convenient to process.

Preferably, the offset sink 121 is a step provided at the first opening 12, and after the first adapter 20 extends into the first opening 12, the offset sink 121 is enclosed between the first adapter and the wall of the first opening 12.

In an embodiment, the number of the air outlet grooves 21 is multiple, and the multiple air outlet grooves 21 are arranged at intervals along the circumferential direction of the outer side wall of the first connecting pipe 20. It will be appreciated that a plurality of air outlet slots 21 are provided to allow air to be drawn in a plurality of directions, further improving the quality of the weld.

Preferably, the number of the air outlet grooves 21 is 2 to 6. 2-6 air outlet grooves 21 are uniformly arranged at intervals in the circumferential direction of the outer side wall of the first connecting pipe 20. It can be understood that the uniformly distributed air outlet grooves 21 can lead out air at every position to the maximum extent, which is beneficial to improving the welding quality. Meanwhile, in this embodiment, the number of the air outlet grooves 21 may be 2, 4, or 6, which will not be described herein again.

In one embodiment, as shown in fig. 3, the inner wall of the first adapter 20 is formed with a connecting rib 22 corresponding to and protruding from the air outlet groove 21; the reservoir 100 further includes a second connection tube (not shown), one end of the second connection tube extends into the first connection tube 20 and forms an interference fit with the connection rib 22, and the second connection tube is welded to the first connection tube 20. It can be understood that, the connection rib 22 not only can make the second connection pipe more firmly connected with the first connection pipe 20, but also can make the second connection pipe and the first connection pipe 20 form a gap after one end of the second connection pipe extends into the first connection pipe 20, so that the penetration of solder during welding can be facilitated, the welding quality can be improved, meanwhile, the automatic welding can be facilitated, and a precondition can be provided for full automation. In addition, one end of the second adapter tube can be in clearance fit with the connecting rib 22 and then welded and fixed.

Furthermore, one end of the first connecting pipe 20 is provided with an expanding section 23, the expanding section 23 extends into the first opening 12 and is welded with the cylinder 10, the air outlet groove 21 is positioned on the outer side wall of the expanding section 23, and the second connecting pipe extends into the expanding section 23 and is welded with the expanding section 23, so that the first connecting pipe 20 can be conveniently connected with the cylinder 10 and the second connecting pipe.

Preferably, the wall thickness of the expanded diameter section 23 is greater than the wall thickness of the second connecting piece. It can be understood that, by providing the thicker diameter-expanding section 23, the processing of the air outlet groove 21 can be facilitated, and the connection strength between the first connecting pipe 20 and the cylinder 10 can be improved.

As shown in fig. 1, the accumulator 100 further includes a filter assembly 30, a second opening 15 is opened at an end of the cylinder 10 far from the first opening 12, and the filter assembly 30 is installed in the storage chamber 11 and disposed near the second opening 15 for filtering the refrigerant coming from the second opening 15.

Specifically, the filter assembly 30 includes a filter screen 31 and a connecting seat 32, the connecting seat 32 is installed in the storage chamber 11 and is hermetically connected with the wall of the storage chamber 11 to prevent refrigerant that is not filtered from entering the storage chamber 11 from a gap between the connecting seat 32 and the inner wall of the storage chamber 11, and the filter screen 31 is fixed on the connecting seat 32 and is used for filtering the refrigerant entering from the second opening 15.

Preferably, as shown in fig. 1, the connection holder 32 is provided with a through hole 321, and the through hole 321 communicates the second opening 15 with the storage chamber 11, so that the refrigerant introduced from the second opening 15 enters the inside of the storage chamber 11 through the through hole 321.

Further, the axis of the through hole 321 intersects with the axis of the first adapter 20, and an included angle between the axis of the through hole 321 and the axis of the first adapter 20 is θ, and θ is greater than 0 degree and less than 90 degrees. It can be understood that the included angle between the axis of the through hole 321 and the axis of the first adapter 20 is greater than 0 degree and less than 90 degrees, that is, the second open end of the through hole 321 is disposed towards the axis of the first adapter 20, so that the through hole 321 is disposed away from the first adapter 20, and further the refrigeration from the through hole 321 is guided to be away from the first adapter 20, thereby preventing the liquid refrigerant from entering the first adapter 20 and preventing the liquid refrigerant from entering the compressor through the first adapter 20.

The present invention further provides an air conditioning system (not shown), which includes the above-mentioned liquid storage device 100.

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

1. A liquid storage device comprises a cylinder body and a first connecting pipe, wherein a storage cavity is formed in the cylinder body, a first opening is formed in one end of the cylinder body, the first connecting pipe is contained in the storage cavity, and one end of the first connecting pipe extends into the first opening and is welded with the cylinder body;

its characterized in that follows the axis of barrel, have on the inner wall of first open-ended outer end to the heavy groove of stepping down that the storage chamber direction extends, first takeover stretches into be equipped with on the one end lateral wall in the first opening and follow first takeover is radial sunken, and follows the groove of giving vent to anger that the axis of barrel extends, just the part in groove of giving vent to anger is located heavy groove department of stepping down.

2. The reservoir of claim 1, wherein the number of the air outlet grooves is multiple, and the air outlet grooves are arranged at intervals along the circumferential direction of the outer side wall of the first connecting pipe.

3. The liquid reservoir of claim 1, wherein the inner wall of the first connecting pipe is formed with a convex connecting rib corresponding to the air outlet groove;

4. The reservoir of claim 1, wherein the depth of the relief groove is 3mm to 4.5mm in the axial direction of the barrel.

5. The reservoir of claim 1, wherein the gas outlet slot extends parallel to the axis of the barrel; or an included angle is formed between the extending direction of the air outlet groove and the axis of the cylinder body;

6. The reservoir of claim 3, wherein one end of the first adapter tube has an enlarged diameter section that extends into the first opening and is welded to the barrel;

7. Reservoir according to claim 6, characterized in that the wall thickness of the expanded diameter section is greater than the wall thickness of the second connecting tube.

8. The accumulator of claim 1, further comprising a filter assembly, wherein a second opening is opened at an end of the cylinder away from the first opening, and the filter assembly is mounted in the storage chamber and disposed adjacent to the second opening for filtering refrigerant entering from the second opening.

9. The reservoir of claim 8, wherein the filter assembly comprises a filter screen and a connecting seat, the connecting seat is installed in the storage cavity and is connected with the cavity wall of the storage cavity in a sealing manner, and the filter screen is fixed on the connecting seat;

10. An air conditioning system comprising an accumulator according to any of claims 1-9.