CN216745044U

CN216745044U - Liquid storage device

Info

Publication number: CN216745044U
Application number: CN202122959311.9U
Authority: CN
Inventors: 王芳; 金海龙; 宇汝巢
Original assignee: Dunan Wuhu Zhongyuan Automatic Control Co ltd
Current assignee: Dunan Wuhu Zhongyuan Automatic Control Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-06-14
Anticipated expiration: 2031-11-25
Also published as: WO2023093653A1

Abstract

The utility model relates to the technical field of refrigeration equipment, in particular to a liquid storage device, which comprises a cylinder body and a plurality of air outlet pipes, wherein the cylinder body is provided with a cylinder opening; the liquid storage device also comprises a fixed seat; the fixed seat is at least partially embedded in the cylinder opening and is fixedly connected with the inner wall of the cylinder opening; the fixed seat is provided with a plurality of through holes, and the plurality of air outlet pipes are respectively provided with one through hole; one end of the air outlet pipe extends into the cylinder body from the corresponding through hole and is communicated with the inside of the cylinder body, and the outer wall of the air outlet pipe is fixedly connected with the inner wall of the through hole. The plurality of through holes are formed in the fixing seat, and the air outlet pipes extend into the barrel body through the through holes, so that the hole walls limit the plurality of air outlet pipes, the stable connection between the air outlet pipes and the barrel body is ensured, and the air outlet pipes are prevented from shifting, shaking or colliding with the inner wall of the barrel body; the fixing base can also block the opening of the barrel, so that liquid leakage in the barrel is avoided, and the sealing performance of the liquid storage device is improved.

Description

Liquid storage device

Technical Field

The utility model relates to a refrigeration plant technical field especially relates to a reservoir.

Background

At present, in a spinning type double-tube liquid storage device, the liquid storage device forms a blocking cap for assembling an air outlet pipe through a stamping process, two air outlet pipe welding interfaces are arranged in the middle of the liquid storage device, however, the air outlet pipe is difficult to assemble during assembly, the air outlet pipe is unstable to assemble and poor in anti-shock capacity in the using process, and the sealing performance is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a reservoir that is easy to assemble and has excellent sealing performance.

The utility model provides a liquid storage device, which comprises a cylinder body and a plurality of air outlet pipes, wherein the cylinder body is provided with a cylinder opening; the liquid storage device also comprises a fixed seat; the fixed seat is at least partially embedded in the tube opening and is fixedly connected with the inner wall of the tube opening; a plurality of through holes are formed in the fixed seat, and the plurality of air outlet pipes are respectively provided with one through hole; one end of the air outlet pipe extends into the cylinder body from the corresponding through hole and is communicated with the inside of the cylinder body, and the outer wall of the air outlet pipe is fixedly connected with the inner wall of the through hole.

In one embodiment, the fixed seat is connected with the inner wall of the tube opening in a welding mode.

In one embodiment, the fixing seat and the barrel are welded and connected by adopting any one or more welding modes of resistance welding, gas-shielded welding and brazing.

In one embodiment, the gas outlet pipe comprises a steel pipe section and a copper pipe section, the steel pipe section is located in the cylinder body, the steel pipe section is partially sleeved with the copper pipe section, and one end, far away from the steel pipe section, of the copper pipe section extends out of the cylinder body.

In one embodiment, the steel pipe section is provided with an expanded diameter part, the inner diameter of the expanded diameter part is larger than the outer diameter of the copper pipe, and the expanded diameter part is sleeved outside the copper pipe section.

In one embodiment, the sleeving part of the steel pipe section and the copper pipe section is positioned in the fixed seat.

In one embodiment, the steel pipe section is embedded into the through hole by adopting a press-fitting process, and the steel pipe section is in interference fit with the through hole.

In one embodiment, the outer wall of the copper pipe section is a clearance fit with the inner wall of the steel pipe section.

In one embodiment, the steel pipe section and the fixed seat are welded in an integrated welding mode in a furnace; the copper pipe section and the fixed seat are welded by flame brazing.

In one embodiment, a stopping portion is arranged on the fixing seat, and the stopping portion is located outside the barrel and used for being matched with the barrel in a stopping manner.

The utility model provides a pair of reservoir compares as follows in prior art's beneficial effect:

the utility model discloses a set up a plurality of through-holes on the fixing base, the outlet duct passes through in the through-hole stretches into the barrel to make the pore wall carry on spacingly to many outlet ducts, ensure the stable connection of outlet duct and barrel, thereby avoid the outlet duct to shift, shake or with barrel inner wall bump etc.. In addition, the fixed seat can also seal the opening of the barrel, so that liquid leakage in the barrel is avoided, and the sealing performance of the liquid storage device is improved.

Drawings

Fig. 1 is a schematic structural view of a liquid reservoir in an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

In the figure, 100, the reservoir; 10. a barrel; 11. a cylinder mouth; 20. a fixed seat; 21. a through hole; 22. a stopper portion; 23. assembling an inclined plane; 30. an air outlet pipe; 31. a steel pipe section; 311. an expanding portion; 312. a bevel; 32. a copper pipe section; 40. an air inlet pipe; 50. a screen assembly.

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.

In the field of refrigeration air conditioners, the liquid accumulator 100 is an auxiliary element of the compressor and is used for storing liquid refrigerant, so that liquid impact caused by the fact that the liquid refrigerant flows into the compressor and damages a compressor pump body is avoided when the compressor is effectively prevented from operating in an unstable state.

The utility model provides a liquid storage device 100, referring to fig. 1-3, the liquid storage device 100 comprises a cylinder 10 and a plurality of air outlet pipes 30, wherein a cylinder opening 11 is arranged on the cylinder 10; the reservoir 100 further comprises a holder 20; the fixed seat 20 is at least partially embedded in the tube opening 11 and is fixedly connected with the inner wall of the tube opening 11; the fixed seat 20 is provided with a plurality of through holes 21, and a plurality of air outlet pipes 30 are respectively provided with one through hole 21; one end of the air outlet pipe 30 extends into the cylinder 10 from the corresponding through hole 21 and is communicated with the inside of the cylinder 10, and the outer wall of the air outlet pipe 30 is fixedly connected with the inner wall of the through hole 21.

This application is through seting up through-hole 21 on fixing base 20, and outlet duct 30 stretches into in the barrel 10 through-hole 21 to make the pore wall carry on spacingly to many outlet ducts 30, ensure the stable connection of outlet duct 30 and barrel 10, thereby avoid outlet duct 30 to shift, shake or bump etc. with barrel 10 inner wall. In addition, the fixed seat 20 can also seal the opening 11, so as to avoid liquid leakage in the cylinder 10 and improve the sealing performance of the liquid reservoir 100.

In one embodiment, the cylinder 10 is spun to form the nozzle 11, the fixing seat 20 is welded to the inner wall of the nozzle 11, the side wall of the fixing seat 20 is sealed to the inner wall of the nozzle 11 by welding, the fixing seat 20 has a certain thickness, and the welding strength between the fixing seat 20 and the nozzle 11 is ensured, so that the sealing performance of the accumulator 100 is improved, and refrigerant leakage is prevented. Of course, in other embodiments, the fixing seat 20 is not limited to the above-mentioned fixing manner, for example, the fixing seat 20 is adhesively connected to the cylinder 10.

Preferably, the fixing base 20 and the cylinder 10 are welded together by one or more welding methods selected from resistance welding, gas-shielded welding and brazing. The resistance welding has the advantages that the heat quantity is concentrated, the heating time is short, and therefore the welding efficiency is high; the brazing can enable the liquid solder to fully fill the gap between the fixed seat 20 and the inner wall of the tube opening 11, and ensure good sealing between the fixed seat 20 and the tube body 10; the gas shielded welding has wide application range, can weld all metals, has no welding slag in the gas shielded welding, has good visibility of a molten pool, and is convenient to operate. All three above welding methods all possess the little characteristics of welding deformation, and then effectively prevent fixing base 20 and barrel 10 welding deformation. Of course, in other embodiments, other welding means may be adopted, and is not limited herein.

Referring to fig. 1 and 2, the stopping portion 22 is disposed on the fixing seat 20, the stopping portion 22 is located outside the barrel 10 and is used for being matched with the barrel 10 in a stopping manner, so that the object inside the barrel 10 can be prevented from being taken out, the stability of the operation of the liquid storage device 100 is increased, the fixing seat 20 can be prevented from being sunk into the barrel 10, in addition, the stopping portion 22 is matched with the barrel 10 and can also be prevented from permeating into the barrel 10, and further, the influence of the welding liquid on the device inside the barrel 10 can be avoided.

The stopping portion 22 is located outside the barrel 10, that is, the stopping portion 22 protrudes from the edge of the nozzle 11, so that the nozzle 11 can be prevented from being collided during the process of installing the reservoir 100, and a good protection effect is provided for the nozzle 11.

Referring to fig. 2, the outer diameter of the end of the fixing base 20 extending into the barrel 10 is smaller than the inner diameter of the barrel opening 11, and a gap is formed between the outer wall of the end of the fixing base 20 extending into the barrel 10 and the inner wall of the barrel 10, so that the fixing base 20 can be installed in the barrel 10, and the installation efficiency can be improved. The outer diameter of the end, extending into the barrel 10, of the fixing seat 20 is small, and the fixing seat can be adapted to the sizes of the mouths 11 of different types, so that the application range is wide.

Preferably, the part of the fixing seat 20 between the end of the fixing seat 20 extending into the cylinder 10 and the stopping part 22 is gradually enlarged to form an assembling inclined surface 23, and during assembling, the fixing seat 20 is pressed on the opening 11 of the opening 11 until the assembling inclined surface 23 is tightly abutted against the opening 11, so that the sealing performance of the accumulator 100 is improved, the refrigerant is prevented from leaking, and the expanded diameter part 311 of the external solution steel pipe section 31 is prevented from permeating into the air outlet pipe 30. Meanwhile, the fixing seat 20 is positioned through the assembling inclined plane 23, and the fixing seat 20 is prevented from being pressed into the cylinder 10 in a transition mode.

Referring to fig. 2, the gas outlet pipe 30 includes a steel pipe section 31 and a copper pipe section 32, the steel pipe section 31 is located in the cylinder 10, the steel pipe section 31 is partially sleeved with the copper pipe section 32, and one end of the copper pipe section 32 far away from the steel pipe section 31 extends out of the cylinder 10. Due to the high price of copper material, the steel tube section 31 is used to reduce the cost of the reservoir 100 in order to reduce the production cost. In refrigeration technical field, the air conditioner pipeline is generally the copper pipe, so set up, through copper pipe section 32 and air conditioner pipeline welding, the same kind of material welding degree of difficulty is lower, and then improves assembly efficiency. Referring to fig. 2, the steel pipe section 31 has an enlarged diameter portion 311, the inner diameter of the enlarged diameter portion 311 is larger than the outer diameter of the copper pipe, and the enlarged diameter portion 311 is sleeved outside the copper pipe section 32. By arranging the expanded diameter part 311, one end of the copper pipe section 32 extends into the expanded diameter part 311 to be connected with the steel pipe section 31 during assembly, so that the assembly difficulty of the copper pipe section 32 is reduced. Moreover, one end of the copper pipe section 32 abuts against the inclined surface 312 of the expanding part 311, so that the copper pipe section 32 is positioned, and the copper pipe section 32 is prevented from excessively extending into the steel pipe section 31; and the copper pipe section 32 is tightly abutted against the inclined surface 312, so that the sealing performance of the joint of the copper pipe section 32 and the steel pipe section 31 can be improved, the refrigerant is prevented from leaking, and the expanded diameter part 311 of the external solution steel pipe section 31 is prevented from permeating into the air outlet pipe 30.

Preferably, referring to fig. 2, the joint between the steel pipe section 31 and the copper pipe section 32 is located in the fixing base 20. So, utilize fixing base 20 to steel pipe section 31 and copper pipe section 32 fixed and limiting displacement, the stability of being connected between reinforcing steel pipe section 31 and the copper pipe section 32. Of course, in other embodiments, the sleeved connection between the steel pipe section 31 and the copper pipe section 32 may be located outside the cylinder 10 or inside the cylinder 10.

In one embodiment, the steel pipe section 31 is inserted into the through hole 21 by press-fitting, and the steel pipe section 31 is interference-fitted with the through hole 21. During the assembly at first with steel pipe section 31 pressure equipment to fixing base 20 in, realize being connected of steel pipe section 31 and fixing base 20, and both interference fit prevent that steel pipe section 31 is not hard up to in later stage assembly connection copper pipe section 32. Of course, in other embodiments, the steel pipe segment 31 may be directly connected to the fixing seat 20 by welding.

Referring to fig. 2, the outer wall of the copper pipe section 32 is in clearance fit with the inner wall of the steel pipe section 31. Specifically, the outer wall of the copper pipe segment 32 is in clearance fit with the inner wall of the expanded diameter portion 311 of the steel pipe segment 31, so that the solder can sufficiently flow between the copper pipe segment 32 and the steel pipe segment 31 during welding, the copper pipe segment 32 and the steel pipe segment 31 are tightly welded, and the refrigerant leakage is prevented.

Preferably, in one embodiment, the steel pipe section 31 and the fixed seat 20 are welded integrally in a furnace, so that the welding process can be reduced, and the welding can be realized together with other positions needing welding; in addition, the copper pipe segment 32 and the fixed seat 20 can be welded by flame brazing. Of course, in other embodiments, the welding manner between the steel pipe segment 31, the copper pipe segment 32 and the fixing seat 20 is not limited.

Referring to fig. 1 and 3, the reservoir 100 further includes an air inlet pipe 40 and a screen assembly 50, and one end of the air inlet pipe 40 extends into the cylinder 10 and is disposed opposite to the air outlet pipe 30. The screen assembly 50 is disposed inside the cylinder 10 and between the inlet pipe 40 and the outlet pipe 30, and is used to prevent liquid refrigerant and impurities from directly entering the inlet pipe 40 and affecting the performance of the liquid accumulator 100.

Wherein, the filter screen subassembly is connected with the inside welded connection of barrel.

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 the terms do not have special meanings unless otherwise stated, 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

1. A liquid storage device comprises a cylinder body (10) and a plurality of air outlet pipes (30), wherein a cylinder opening (11) is formed in the cylinder body (10); the method is characterized in that:

the reservoir further comprises a fixed seat (20); the fixed seat (20) is at least partially embedded in the cylinder opening (11) and is fixedly connected with the inner wall of the cylinder opening (11); a plurality of through holes (21) are formed in the fixed seat (20), and the plurality of air outlet pipes (30) are respectively provided with one through hole (21); one end of the air outlet pipe (30) extends into the cylinder body (10) from the corresponding through hole (21) and is communicated with the inside of the cylinder body (10), and the outer wall of the air outlet pipe (30) is fixedly connected with the inner wall of the through hole (21).

2. Reservoir according to claim 1, characterized in that the holder (20) is welded to the inner wall of the cartridge mouth (11).

3. The reservoir according to claim 2, characterized in that the fixing base (20) is welded to the cylinder (10) by any one or more of resistance welding, gas-shielded welding and brazing.

4. The liquid accumulator of claim 1, characterized in that the gas outlet pipe (30) comprises a steel pipe section (31) and a copper pipe section (32), the steel pipe section (31) is located in the cylinder (10), the steel pipe section (31) is partially sleeved with the copper pipe section (32), and one end of the copper pipe section (32) far away from the steel pipe section (31) extends out of the cylinder (10).

5. Reservoir according to claim 4, characterized in that the steel tube section (31) has an enlarged diameter portion (311), the inner diameter of the enlarged diameter portion (311) being larger than the outer diameter of the copper tube, the enlarged diameter portion (311) being sleeved outside the copper tube section (32).

6. Reservoir according to claim 4, characterized in that the steel pipe section (31) and the copper pipe section (32) are nested within the holder (20).

7. Reservoir according to claim 4, characterized in that the steel tube section (31) is inserted into the through hole (21) by a press-fitting process, and the steel tube section (31) is in interference fit with the through hole (21).

8. Reservoir according to claim 4, characterized in that the outer wall of the copper pipe section (32) is clearance fitted with the inner wall of the steel pipe section (31).

9. Reservoir according to claim 4, characterized in that the steel tube section (31) is welded to the holder (20) by means of integral welding in a furnace; and/or the copper pipe section (32) and the fixed seat (20) are welded by flame brazing.

10. Reservoir according to claim 1, characterized in that a stop (22) is provided on the holder (20), said stop (22) being located outside the cartridge (10) for stop engagement with the cartridge (10).