CN218627385U

CN218627385U - Liquid storage device

Info

Publication number: CN218627385U
Application number: CN202222905931.9U
Authority: CN
Inventors: 胡魁贤; 韦腾飞; 李小林; 李刘理
Original assignee: Nanchang Zhonghao Machinery Co ltd
Current assignee: Nanchang Zhonghao Machinery Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-14
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a liquid storage device, including well barrel, end cover and welding wire, the welding wire sets up between well barrel and end cover, and can be heated and melt to be connected the end cover to well barrel; the welding wire welding device comprises a middle barrel body, wherein a groove is formed in the outer barrel wall of the middle barrel body, the groove is formed by inwards recessing the outer barrel wall of the middle barrel body along the radial direction of the middle barrel body, the groove is arranged corresponding to a welding wire, at least part of the welding wire is arranged on the groove, and the welding wire is limited to the middle barrel body. The utility model has the advantages that: through setting up the recess and fixing the welding wire in the fixed position of well barrel outer tube wall, the problem that the welding wire drops along with the end cover removes easily when having solved the assembly, the solder flow direction can be controlled, and welding quality improves, just the utility model discloses a structure is applicable to automated production, improves production efficiency, reduction in production cost.

Description

Liquid storage device

Technical Field

The application belongs to the technical field of air conditioning system is relevant, especially relates to a reservoir.

Background

The liquid accumulator is a part installed in the air conditioning system, is used for adjusting the using amount of a refrigerant in the air conditioning system, and has the functions of liquid storage, drying, filtering, gas-liquid separation and the like. The existing liquid storage device generally comprises a middle cylinder body and two end covers, wherein the two end covers are connected to two ends of the middle cylinder body in a welding mode, welding wires for welding are usually placed in a chamfer of the middle cylinder body and a gap of the end covers, and then welding is carried out in a brazing furnace. However, only the welding wire is sleeved in the assembly gap between the outer part of the middle cylinder and the end cover, so that the welding wire is easy to fall off in the assembly moving process of the end cover, the assembly difficulty is high, the welding wire is difficult to fix, the flow direction of the welding flux cannot be ensured, the problems of welding breaking, leakage, poor air holes and the like are easily caused, and the welding quality is affected. And the welding wire needs to be sleeved outside the middle cylinder manually, so that the production efficiency of the product is low, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

In view of this, there is a need for a reservoir that improves the quality of the weld between the cartridge and the end cap.

In order to solve the technical problem, the application provides the following technical scheme:

a liquid storage device comprises a middle cylinder body, an end cover and a welding wire, wherein the welding wire is arranged between the middle cylinder body and the end cover and can be heated and melted to connect the end cover to the middle cylinder body;

the welding wire welding device is characterized in that a groove is formed in the outer cylinder wall of the middle cylinder body, the groove is formed by inwards recessing the outer cylinder wall of the middle cylinder body along the radial direction of the middle cylinder body, the groove corresponds to the welding wire, at least part of the welding wire is arranged on the groove and limited to the middle cylinder body.

It can be understood that, by the arrangement, the installation position of the welding wire on the middle cylinder body can be determined, so that the welding wire sleeved outside the middle cylinder body can be prevented from falling off along with the assembly movement of the end cover; in addition, the solder can flow along with the position of the groove in the welding process, the welding flow direction is determined, the problems of poor welding and welding leakage are reduced, and the welding quality is ensured; meanwhile, the grooves can be manufactured in an automatic production mode, the production efficiency of products is improved, and the production and manufacturing cost is reduced.

In one embodiment, the middle cylinder body comprises a necking part and a main body section, the necking part is positioned on two sides of the main body section and connected with the main body section, the groove is positioned on the necking part, and the outer diameter of the necking part is smaller than that of the main body section.

It can be understood that, through set up the throat portion on well barrel, utilize the little characteristics of throat portion external diameter for external part can stretch into to the throat portion in, and fixed with the welding wire, in order to prevent that the welding wire from running, the product of being convenient for can be applicable to automated production.

In one embodiment, the middle cylinder body further comprises a chamfer or a fillet, and the chamfer or the fillet is arranged at the edge of the necking part and connected with the necking part. It can be understood that, by the arrangement, the end cover is prevented from being scratched when the middle cylinder body is assembled, and the assembly is convenient.

In one embodiment, a riveting part is formed on the middle cylinder body at the position of the notch of the groove, the riveting part protrudes out of the groove wall of the groove, and the riveting part abuts against the welding wire so as to limit the welding wire to the groove.

It can be understood that, so set up for the welding wire in the recess is spacing in the recess by the riveting portion, is difficult to break away from the recess, thereby fixes the welding wire position more reliably, and the welding wire can not take place the displacement even in well barrel assembly removal process and drop yet.

In one embodiment, the number of the riveting portions arranged in each groove is two, and the two riveting portions are arranged on two sides of the welding wire along the axial direction of the middle cylinder body.

It can be understood that the number of the riveting portions is set to two, thus improving the reliability of the welding wire fixed in the groove.

In one embodiment, the groove has a groove diameter larger than the outer diameter of the welding wire to enable the middle cylinder to be partially collapsed and formed into the clinch portion.

It can be understood that the welding wire can be squeezed into the groove through the size matching between the welding wire and the groove, and the subsequent riveting portion is convenient to arrange.

In one embodiment, the groove diameter of the groove is 0.05mm to 0.15mm larger than the outer diameter of the welding wire.

It will be appreciated that so arranged, the degree of dimensional fit between the wire and the groove is optimal.

In one embodiment, the welding wire is in interference fit with the groove, and the welding wire is tightly matched by two side groove walls of the groove.

It will be appreciated that the arrangement is such that the welding wire is clamped by the groove walls in the groove, which serves to secure the welding wire, and no additional riveting is required.

In one embodiment, the end cover comprises a flaring section, the end cover is sleeved outside two ends of the middle cylinder body through the flaring section, the welding wire is located between the flaring section and the groove along the radial direction of the middle cylinder body, and the flaring section is connected with the middle cylinder body in a welding mode through the welding wire.

Due to the application of the scheme, compared with the prior art, the method has the following advantages:

according to the liquid storage device, the groove is formed in the outer cylinder wall of the middle cylinder body, and the welding wire is limited in the groove, so that the installation position of the welding wire on the middle cylinder body can be fixed, and the welding wire sleeved outside the middle cylinder body can be prevented from falling off along with the assembly movement of the end cover; in addition, the solder can flow along with the position of the groove in the welding process, the welding flow direction is determined, the problems of poor welding and welding leakage are reduced, and the welding quality is ensured; simultaneously, the groove notching and the limiting welding wire of the riveting part can be carried out in an automatic production mode, so that the production efficiency of products is improved, and the production and manufacturing cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the description of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a cartridge in a liquid reservoir provided by the present application.

Fig. 2 is a schematic structural diagram of a reservoir provided herein.

Fig. 3 is a partial enlarged view of a portion a in fig. 2 provided in the present application.

Fig. 4 is a partial enlarged view of fig. 2B provided in the present application.

Reference numerals: 100. a reservoir; 10. a middle cylinder body; 11. a groove; 111. riveting and pressing part; 12. a necking part; 13. chamfering; 14. a main body section; 20. an end cap; 21. a flared section; 30. and (4) welding wires.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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 application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The accumulator 100 claimed in the present application is applied to an air conditioning system for adjusting the amount of refrigerant used in the air conditioning system.

Referring to fig. 1 to 4, a liquid storage device 100 according to an embodiment of the present disclosure includes a middle cylinder 10, an end cap 20, and a welding wire 30, wherein the welding wire 30 is disposed between the middle cylinder 10 and the end cap 20 and can be melted by heat to connect the end cap 20 to the middle cylinder 10; the outer cylinder wall of the middle cylinder 10 is provided with a groove 11, the groove 11 is formed by inwards sinking from the outer cylinder wall along the radial direction of the middle cylinder 10, the groove 11 is arranged corresponding to the welding wire 30, and at least part of the welding wire 30 is arranged on the groove 11 and limited to the middle cylinder 10 through the groove 11. Due to the structural arrangement, the installation position of the welding wire 30 on the middle cylinder 10 can be fixed, the welding wire 30 sleeved on the outer cylinder wall of the middle cylinder 10 can be prevented from falling off along with the assembly movement of the end cover 20, and the welding flux can flow along the direction of the groove 11 in the welding process, so that the welding flow direction is determined, the problems of poor welding and welding leakage are reduced, and the welding quality is ensured; meanwhile, the groove 11 can be manufactured in an automatic production mode, so that the production efficiency of products is improved, and the production and manufacturing cost is reduced.

As shown in fig. 1 to 4, in an embodiment, the middle cylinder 10 includes a groove 11, a throat 12, a chamfer 13 and a main body section 14, the groove 11 is located on the throat 12, the throat 12 is disposed on two sides of the main body section 14, the outer diameter of the throat 12 is smaller than the outer diameter of the main body section 14 of the middle cylinder 10, the main body section 14 is located between the two throats 12 and connects the two throats 12, and the chamfer 13 is disposed on the edge of the throat 12 and connects with the throat 12. Of course, as other embodiments, the middle cylinder 10 may also not include the chamfer 13 or the necking portion 12, or the chamfer 13 may be replaced by a round corner, and the necking portion 12, the chamfer 13 or the round corner are provided, mainly for better assembling with the end cap 20.

The middle cylinder 10 is approximately cylindrical, two ends of the outer cylinder wall of the middle cylinder 10 are respectively provided with a groove 11, the grooves 11 are of annular structures and circumferentially surround the outer part of the middle cylinder 10, so that the welding wire 30 can surround the middle cylinder 10 for one circle along the annular structures of the grooves 11, and the middle cylinder 10 is stably sleeved with the welding wire. Of course, in other embodiments, the middle cylinder 10 may also be provided with other shapes such as a rectangular parallelepiped, which is not limited herein.

The middle cylinder 10 is processed through automatic production equipment, so that the outer cylinder wall of the middle cylinder 10 is inwards recessed to form a groove 11. And an automatic grooving technology is adopted, so that the production efficiency of the product is improved, and the production cost is reduced. In other embodiments, the groove 11 may be selectively provided at one end of the middle cylinder 10, and the other end is not provided with the groove 11.

Furthermore, as shown in fig. 3 and 4, in an embodiment, a riveting portion 111 is disposed at a notch position of the groove 11, and the riveting portion 111 is formed by annularly pressing the notch of the groove 11 into which the welding wire 30 is inserted after the welding wire 30 is placed in the groove 11 by an automated production device, so that the welding wire 30 is prevented from being manually sleeved, and the production efficiency is improved. The riveting portion 111 is a protruding portion on the groove wall of the groove 11, the protruding portion locks the welding wire 30 in the groove 11, the welding wire 30 cannot fall off and move even in the assembling and moving process of the middle cylinder 10, and the positioning and fixing of the welding wire 30 are further improved.

In the present embodiment, the number of the notches of the groove 11 provided with the caulking portions 111 is two, and the caulking portions are partially disposed on both sides of the welding wire 30 in the axial direction of the middle cylinder 10, and may be symmetrically disposed so that the welding wire 30 can be stably fixed in the groove 11. Of course, in other embodiments, one side of the groove 11 may be provided with the riveting portion 111 according to actual requirements, and the other side is not provided with the riveting portion 111.

The middle cylinder 10 is further provided with a necking part 12, the necking part 12 is arranged at two sides of the main body section 14 and connected with the main body section 14, and the groove 11 is arranged on the necking part 12. Since an automatic device is used to squeeze the welding wire 30 into the groove 11 for fixing, a recess is concomitantly generated around the groove 11 for facilitating positioning, the recess forming the necking portion 12. By utilizing the characteristic of small outer diameter of the necking part 12, the external component can extend into the necking part 12 and fix the welding wire 30 to prevent the welding wire 30 from being out of position, so that the liquid storage device 100 can be used for automatic production.

The chamfer 13 is arranged at the edge of the outer cylinder wall of the middle cylinder 10, so that the end cover 20 can be assembled on the middle cylinder 10 in the follow-up process, and the end cover 20 can be prevented from being scratched by the middle cylinder 10 in the assembling process. Of course, in other embodiments, the chamfer 13 may be replaced by a fillet.

As shown in fig. 2, the end cap 20 includes a flared section 21, and the end cap 20 is sleeved outside two ends of the middle cylinder body through the flared section 21, in an embodiment, the outer cylinder walls at two ends of the middle cylinder body 10 may be respectively assembled and attached to the inner wall of the flared section 21 during assembly, so as to facilitate subsequent welding. Welding wire 30 is placed in the overlapping portion of the flared section 21 and the middle cylinder 10, that is, the welding wire 30 is placed in the groove 11 therein, so that the flared section 21 is welded to the outer cylinder walls on both sides of the middle cylinder 10, respectively, and thus the end caps 20 are welded to both ends of the middle cylinder 10.

Furthermore, the welding mode of the middle cylinder 10 and the end cover 20 adopts brazing, the welding wire 30 is heated and melted during welding, the solder flows along the annular structure direction of the groove 11, the solder is ensured to be at the welding position, and the problems of poor welding and welding leakage between the end cover 20 and the middle cylinder 10 are reduced.

In one embodiment, the welding wire 30 is nested in the groove 11, and the outer diameter of the welding wire 30 is smaller than the groove diameter of the groove 11, so that the groove 11 can be partially retracted and form the riveting portion 111 after the welding wire 30 can be pressed into the groove 11 by a pressing wheel of an automatic production device.

Preferably, the outer diameter of the welding wire 30 is 0.1mm smaller than the groove diameter of the groove 11, and the size matching of the welding wire 30 and the groove 11 is optimal. Of course, the outer diameter of the welding wire 30 may be smaller than the groove diameter of the groove 11 by 0.05mm, 0.15mm, etc., which may be set according to actual requirements.

In an embodiment, the groove 11 and the welding wire 30 are in an interference fit (not shown), so that the welding wire 30 is clamped by the two side groove walls of the groove 11 and is stably fixed in the groove 11, i.e. the welding wire 30 is tightly fitted with the two side groove walls of the groove 11. Therefore, the riveting part 111 is not arranged in the groove 11, and the welding wire 30 is only required to be extruded into the groove 11, so that the welding wire 30 can be clamped by the groove walls on the two sides of the groove 11.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A liquid storage device comprises a middle cylinder body (10), an end cover (20) and a welding wire (30), wherein the welding wire (30) is arranged between the middle cylinder body (10) and the end cover (20) and can be melted by heating so as to connect the end cover (20) to the middle cylinder body (10);

the welding wire welding device is characterized in that a groove (11) is formed in the outer cylinder wall of the middle cylinder body (10), the groove (11) is formed by inwards recessing the outer cylinder wall of the middle cylinder body (10) along the radial direction of the middle cylinder body (10), the groove (11) is arranged corresponding to the welding wire (30), and at least part of the welding wire (30) is arranged on the groove (11) and limited to the middle cylinder body (10).

2. Reservoir according to claim 1, characterized in that the cartridge (10) comprises a throat (12) and a body section (14), the throat (12) being located on either side of the body section (14) and connected to the body section (14), the groove (11) being located on the throat (12), the outer diameter of the throat (12) being smaller than the outer diameter of the body section (14).

3. Reservoir according to claim 2, characterized in that the central cylinder (10) further comprises a chamfer (13) or a fillet, said chamfer (13) or said fillet being provided at the edge of the throat (12) and being connected to the throat (12).

4. Reservoir according to any one of claims 1 to 3, characterized in that the central cylinder (10) is formed with a rivet (111) at the notch of the groove (11), the rivet (111) protruding from the wall of the groove (11), the rivet (111) abutting against the welding wire (30) to limit the welding wire (30) to the groove (11).

5. Reservoir according to claim 4, characterized in that each groove (11) is provided with two riveting portions (111), two riveting portions (111) being arranged on both sides of the welding wire (30) along the axial direction of the central cylinder (10).

6. Reservoir according to claim 4, characterized in that the groove (11) has a groove diameter greater than the outer diameter of the welding wire (30) so that the central cylinder (10) can be partially retracted and formed into the rivet (111).

7. Reservoir according to claim 6, characterized in that the groove (11) has a groove diameter which is 0.05-0.15 mm larger than the outer diameter of the welding wire (30).

8. Reservoir according to any one of claims 1 to 3, characterized in that the welding wire (30) is in interference fit with the groove (11), the welding wire (30) being tightly fitted by the two side walls of the groove (11).

9. The liquid container according to any one of claims 1-3, characterized in that the end cap (20) comprises a flared section (21), the end cap (20) is sleeved outside two ends of the middle cylinder (10) through the flared section (21), the welding wire (30) is located between the flared section (21) and the groove (11) along the radial direction of the middle cylinder (10), and the flared section (21) is welded with the middle cylinder (10) through the welding wire (30).