CN211146997U

CN211146997U - Liquid storage device

Info

Publication number: CN211146997U
Application number: CN201922002762.6U
Authority: CN
Inventors: 王小平; 潘思杰; 郝建波
Original assignee: Mianyang Haili Electric Appliance Co ltd; Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Mianyang Haili Electric Appliance Co ltd; Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-31
Anticipated expiration: 2029-11-19

Abstract

The utility model provides a liquid storage device, including barrel, intake pipe and outlet duct, the intake pipe sets up the one end of barrel and communicate with the barrel inner chamber, the other end of barrel is equipped with a gas outlet, the gas outlet is including the throat section, the throat section is kept away from for the opening the tubaeform of barrel inner chamber, the outlet duct is in the throat section with the barrel welding. The utility model discloses a project organization is favorable to on the one hand the outlet duct inserts the location of throat section, promptly weld promptly, need not to measure the location, and is efficient, and on the other hand liquid solder easily flows in when both weld the throat section with clearance between the outlet duct increases welding strength, reduces the excessive volume of solder to improve welding quality and efficiency.

Description

Liquid storage device

Technical Field

The utility model relates to a compressor accessory technical field, in particular to reservoir.

Background

The liquid accumulator is an important part of the compressor and plays roles in storing, gas-liquid separation, filtration, noise reduction and refrigerant buffering. The accumulator is generally installed in the evaporator and the air suction pipe of the compressor of the air conditioner to prevent the liquid refrigerant from flowing into the compressor and causing liquid slugging. The reservoir comprises an air inlet pipe, a cylinder body and an air outlet pipe, wherein the air inlet pipe is generally connected with the interface of the electromagnetic directional valve, and the air outlet pipe is connected to the interface of the compressor. The refrigerant from the evaporator enters the liquid storage device through the air inlet pipe, the refrigerant without vaporization directly falls into the cylinder of the liquid storage device because the refrigerant is heavier than gas, and the vaporized refrigerant enters the compressor through the air outlet pipe to prevent the compressor from sucking the liquid refrigerant to cause liquid impact, so that the effect of gas-liquid separation is achieved.

In the prior art, the necking of the cylinder of the liquid storage device is in a straight chamfer type, when a copper pipe (a bent pipe and a straight pipe) is welded, the copper pipe is firstly plugged into the necking of the cylinder, and then a brass solder wire is melted by flame welding, so that the brass solder wire naturally flows and permeates into a fit clearance between the copper pipe and the necking of the copper body of the liquid storage device. However, the inner diameter of the necking of the liquid storage cylinder is too small or the outer diameter of the copper pipe is too large, so that the fit clearance between the copper pipe and the necking of the liquid storage cylinder is too small, the penetration of the solder is insufficient, the liquid storage cylinder leaks, air holes are formed, and the solder overflows to form welding beading.

The problems of leakage, welding beading and the like of the existing liquid storage device become main bad problems of the liquid storage device, serious hidden quality troubles are caused, and the production efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reservoir to solve among the prior art reservoir because of barrel throat internal diameter undersize or copper external diameter is too big, cause both fit clearance undersize, lead to the reservoir not enough in the solder infiltration when welding copper pipe, thereby lead to the reservoir to leak and the excessive formation welding beading of solder, influence the problem of reservoir production yield.

In order to solve the technical problem, the utility model provides a reservoir, including barrel, intake pipe and outlet duct, the intake pipe sets up the one end of barrel and communicate with the barrel inner chamber, the other end of barrel is equipped with a gas outlet, the gas outlet includes the throat section, the throat section is kept away from for the opening the tubaeform of barrel inner chamber, the outlet duct is in the throat section with the barrel welding.

Optionally, the throat section includes a horn portion and a step portion, the horn portion is located the throat section deviates from the one end of barrel inner chamber, the step portion is located the throat section is close to the one end of barrel inner chamber.

Optionally, the inner diameter of the horn portion gradually increases from one end close to the stepped portion to one end away from the stepped portion.

Optionally, the outlet duct also includes a transition section, and the transition section is communicated with the inner cavity of the cylinder body through the necking section.

Optionally, the transition section is cylindrical, and the inner diameter of the transition section is greater than the minimum inner diameter of the horn portion and less than the maximum inner diameter of the horn portion.

Optionally, the step portion is located on the inner side of one end, close to the inner cavity of the cylinder, of the necking section, and the transition section is inserted into the horn portion and abutted to the step portion.

Optionally, the transition section and the cylinder are connected by brazing with brass.

Optionally, the wall thickness of one end of the horn portion, which is away from the step portion, is greater than or equal to 0.5 mm.

Optionally, the gas-liquid separator further comprises a connecting pipe, wherein the connecting pipe is located in the inner cavity of the cylinder body, one end of the connecting pipe is communicated with the gas outlet pipe, and the other end of the connecting pipe is located in the inner cavity of the cylinder body.

Optionally, still include the filter screen subassembly, the filter screen subassembly sets up the barrel inner chamber is close to the position of intake pipe.

The utility model provides a pair of reservoir has following beneficial effect:

the utility model provides a reservoir, includes barrel, intake pipe and outlet duct, the intake pipe sets up the one end of barrel and communicates with the barrel inner chamber, the other end of barrel is equipped with a gas outlet, the gas outlet is including the throat section, the throat section is kept away from for the opening the tubaeform of barrel inner chamber, the outlet duct is in the throat section with the barrel welding. The utility model discloses a project organization is favorable to on the one hand the outlet duct inserts the location of throat section, promptly weld promptly, need not to measure the location, and is efficient, and on the other hand liquid solder easily flows in when both weld the throat section with clearance between the outlet duct increases welding strength, reduces the excessive volume of solder to improve welding quality and efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a liquid storage device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a partial enlarged view of B in FIG. 2;

wherein the reference numerals of figures 1 to 3 are as follows:

1-a cylinder body; 2, an air inlet pipe; 3-air outlet pipe; 31-a necking section; 32-a transition section; 4-connecting pipe; 5-a screen assembly.

Detailed Description

The following provides a reservoir according to the present invention with reference to the accompanying drawings and embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Referring to fig. 1, 2 and 3, fig. 1 is a schematic structural diagram of a reservoir according to the present embodiment; FIG. 2 is an enlarged view of a portion of FIG. 1; fig. 3 is a partially enlarged view of B in fig. 2.

Reservoir in this embodiment, including barrel 1, intake pipe 2 and outlet duct 3, intake pipe 2 sets up the one end of barrel 1 and communicate with the barrel inner chamber, the other end of barrel 1 is equipped with a gas outlet, the gas outlet includes throat section 31, throat section 31 is kept away from for the opening the tubaeform of barrel inner chamber, outlet duct 3 is in throat section 31 with barrel 1 welding.

Specifically, the throat section 31 includes a horn portion and a step portion, the horn portion is located the throat section 31 deviates from the one end of barrel inner chamber, the step portion is located the throat section 31 is close to the one end of barrel inner chamber, the internal diameter of horn portion is by being close to the one end of step portion is to deviating from the one end crescent of step portion.

Further, outlet duct 3 still includes changeover portion 32, changeover portion 32 passes through necking down section 31 with the barrel inner chamber intercommunication, it should explain that the shape of changeover portion 32 is cylindrical, the internal diameter of changeover portion 32 is greater than the minimum internal diameter of horn portion, and is less than the maximum internal diameter of horn portion.

Preferably, the transition section 32 and the barrel 1 are connected by brazing welding. The brazing is a method of using a metal material with a liquid phase temperature lower than the solid phase temperature of a base metal as a brazing filler metal, heating parts and the brazing filler metal until the brazing filler metal is molten, wetting the base metal with the liquid brazing filler metal, filling a joint gap, and mutually dissolving and diffusing the joint gap and the base metal to realize part connection. The brazing is characterized in that the joint has smooth surface, good air tightness, stable shape and size, and little change of welding structure and performance, and can be connected with the same or different metals. The embodiment adopts brass brazing to realize the welding between the copper outlet pipe 3, the transition section 32 and the steel cylinder 1, ensures the air tightness of the connection of the three, improves the production efficiency and reduces the production cost.

Further, the step portion is located the inner side of the end of the necking section close to the inner cavity of the cylinder, and the transition section 32 is inserted into the horn portion and abutted to the step portion. The structural design is beneficial to the insertion and positioning of the transition section 32 into the necking section 31, namely plug-and-play welding, measurement and positioning are not needed, the efficiency is high, and on the other hand, liquid solder can easily flow into a gap between the necking section 31 and the transition section 32 during welding of the two, so that the welding strength is increased, the overflow amount of the solder is reduced, and the welding quality and efficiency are improved.

In addition, the reservoir still includes connecting pipe 4 and filter screen subassembly 5, connecting pipe 4 is located in the barrel inner chamber, the one end of connecting pipe 4 with 3 intercommunications of outlet duct, the other end is located in the barrel inner chamber. The filter screen assembly 5 is arranged at a position, close to the air inlet pipe 2, of the inner cavity of the cylinder body. The filter screen assembly 5 mainly serves to filter and prevent some undissolved components in the air conditioning system from flowing into the compressor and damaging the compressor.

In the manufacturing process, the necking section 31 is formed by turning a straight chamfer necking, specifically, the straight chamfer necking is turned, when feeding is carried out from inside to outside, the feeding amount is gradually increased, a horn-shaped necking section 31 with a large outside and a small inside is formed, and the inner diameter of the step part of the necking section 31 is consistent with the inner diameter of the straight chamfer necking.

It should be noted that the wall thickness of one end of the flared portion of the necking section 31, which is away from the stepped portion, needs to be greater than or equal to 0.5mm, so as to ensure that the thin-walled portion of the necking section 31 can bear a certain pressure and is not deformed by the extrusion of the transition section 32.

Compared with the liquid storage device in the prior art, as long as the wall thickness of the end, deviating from the step part, of the horn part of the necking section 31 meets the requirement, the technical improvement of the necking section 31 of the liquid storage device in the embodiment not only ensures that the fit clearance between the necking section 31 and the transition section 32 is proper, so that the leakage of the liquid storage device and the overflow of solder to form a weld beading caused by insufficient solder penetration are avoided, but also the stress distribution at the joint of the necking section 31 and the transition section 32 is uniform, and the necking section 31 cannot be deformed or damaged.

Preferably, the barrel 1 is made of steel, the steel is high in strength, good in toughness and high in compressive strength, the steel has weldability and leakage resistance, and in addition, the steel is low in price, so that the production cost can be saved.

Preferably, the air inlet pipe 2 and the air outlet pipe 3 are made of copper materials.

To sum up, the utility model provides a pair of reservoir has following advantage: the utility model provides a reservoir, includes barrel, intake pipe and outlet duct, the intake pipe sets up the one end of barrel and communicates with the barrel inner chamber, the other end of barrel is equipped with a gas outlet, the gas outlet is including the throat section, the throat section is kept away from for the opening the tubaeform of barrel inner chamber, the outlet duct is in the throat section with the barrel welding, it is further, the throat section still includes a step portion, the changeover portion inserts the throat section with step portion looks butt. The utility model discloses a project organization is favorable to on the one hand the outlet duct inserts the location of throat section, promptly weld promptly, need not to measure the location, and is efficient, and on the other hand liquid solder easily flows in when both weld the throat section with clearance between the outlet duct increases welding strength, reduces the excessive volume of solder to improve welding quality and efficiency. In addition, the reservoir still includes the filter screen subassembly, the filter screen subassembly sets up tail end below department of intake pipe, the effect of filter screen subassembly mainly filters, prevents that some inside insoluble components of air conditioning system from making the compressor impaired in flowing into the compressor.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a reservoir, its characterized in that, includes barrel, intake pipe and outlet duct, the intake pipe sets up the one end of barrel and with barrel inner chamber intercommunication, the other end of barrel is equipped with a gas outlet, the gas outlet includes the throat section, the throat section is kept away from for the opening the tubaeform of barrel inner chamber, the outlet duct is in the throat section with the barrel welding.

2. The reservoir of claim 1, wherein the necked-down section comprises a flared portion and a stepped portion, the flared portion being located at an end of the necked-down section facing away from the barrel cavity, and the stepped portion being located at an end of the necked-down section adjacent to the barrel cavity.

3. The reservoir of claim 2, wherein the flared portion has an inner diameter that gradually increases from an end proximate the step portion to an end distal from the step portion.

4. The reservoir of claim 2 or 3, wherein the outlet tube further comprises a transition section, the transition section communicating with the barrel lumen through the constricted section.

5. The reservoir of claim 4, wherein the transition section is cylindrical in shape, and wherein the transition section has an inner diameter that is greater than the minimum inner diameter of the horn and less than the maximum inner diameter of the horn.

6. The reservoir of claim 4, wherein the step is located inside an end of the throat section near the barrel cavity, and the transition section is inserted into the horn to abut against the step.

7. The reservoir of claim 4, wherein the transition section and the barrel are brazed and connected using brass.

8. The reservoir according to claim 2, characterized in that the wall thickness of the end of the flared portion facing away from the step portion is equal to or greater than 0.5 mm.

9. The reservoir of claim 1, further comprising a connecting tube positioned in the inner chamber of the barrel, one end of the connecting tube being in communication with the outlet tube and the other end being positioned in the inner chamber of the barrel.

10. The reservoir of claim 1, further comprising a screen assembly disposed within the cartridge interior proximate the air inlet conduit.