Supercooling type liquid accumulator assembly with externally-buckled end body

Abstract

The utility model provides an end body externally-buckled type supercooling liquid storage device assembly, and belongs to the technical field of refrigeration equipment. The assembly comprises a shell, an end cover part, a filtering part and an upper plug cap. The upper plug cap is arranged at the bottom of the shell and is in interference fit and insertion connection with the shell; the end cover component comprises an end body and a cover body, the end body sleeves the outer side of the shell, the cover body is connected with the end body, an annular boss is arranged in the end body, and the end body is in threaded connection with the cover body; the filtering part comprises a filter, the filter is arranged at the inner bottom of the shell and abuts against the upper plug cap, the filter comprises a filter screen and a frame, and the filter screen is circumferentially arranged around the interior of the frame; one end of the supporting pipe is connected with the top of the filter, and the other end of the supporting pipe abuts against the bottom of the cover body. The filter is simple in structure, convenient to assemble, capable of being rapidly and smoothly installed in place, good in sealing performance, good in filtering effect and capable of effectively improving the operation efficiency of a refrigerating system and prolonging the service life of the refrigerating system.

Description

Technical Field

[0001] This application relates to an externally fastened subcooled liquid reservoir assembly, belonging to the technical field of subcooled liquid reservoirs. Background Technology

[0002] The subcooled liquid receiver in a condenser is an important component of a refrigeration system, primarily used for storing refrigerant, filtering impurities, and separating gas and liquid. With the development of refrigeration technology, the structural design of subcooled liquid receivers has been continuously optimized to meet the needs of different application scenarios.

[0003] Currently, many condenser products on the market require an installation orientation where the inlet is at the bottom and the outlet at the top. The condenser's working principle involves converting high-temperature, high-pressure gaseous refrigerant into liquid refrigerant through heat exchange. To ensure complete filtration of the refrigerant within the product, the filter screen inside the receiver needs to be installed at the very bottom of the receiver. To ensure the filter screen can be easily installed at the bottom of the receiver, most subcooled receivers currently on the market are of an integrated structure.

[0004] Among them, the Chinese patent document with publication number CN219868621U previously filed by the applicant provides a riveted subcooled liquid reservoir assembly, including a housing and a connecting bracket. The housing has a flow hole, and the connecting bracket is riveted to the flow hole. An upper plug is inserted into one end of the housing, and a middle plug is embedded inside the other end of the housing, with an end body inserted at the end. This structure connects the independent connecting bracket to the housing by riveting, eliminating the existing convex rib structure that is integrally extruded and stretched with the housing of the subcooled liquid reservoir.

[0005] However, existing subcooled liquid receivers still have the following problems:

[0006] 1. Traditional subcooled liquid receivers are mostly one-piece structures. In order to make threads inside the shell, the shell wall is usually designed to be thicker. The weight of the liquid receiver of the same length is heavier, resulting in a small internal space and weak liquid storage capacity. In addition, there is a lot of waste material in the shell profile, which makes the processing more difficult, resulting in waste of raw materials and high cost.

[0007] 2. The filter screen needs to be installed at the bottom of the liquid reservoir, but the traditional structure makes it difficult to install the filter screen smoothly at the bottom of the liquid reservoir, and it is not fixed firmly, which can easily lead to tilting and other problems, affecting the filtration effect. Utility Model Content

[0008] To address the aforementioned issues, an externally snap-on subcooled liquid receiver assembly is provided. By incorporating an externally snap-on end body and supporting components, the filter can be quickly and accurately placed at the bottom of the housing, resulting in excellent fixation, effectively reducing the housing wall thickness, lowering raw material costs, improving production efficiency, increasing liquid storage capacity, and providing stable and superior filtration performance.

[0009] According to one aspect of this application, an externally fastened subcooled liquid reservoir assembly is provided, including a housing, an end cap component, a filter component, and an upper plug; the upper plug is disposed at the bottom of the housing and is inserted into the housing with an interference fit; the end cap component includes an end body and a cover body, the end body is sleeved on the outside of the housing, and the cover body is connected to the end body; the filter component includes a filter, the filter is disposed at the bottom inside the housing and abuts against the upper plug.

[0010] Optionally, an annular boss is provided in the end body, and the end body is threadedly connected to the cover body.

[0011] Optionally, the end cap component further includes an aluminum welding ring, which is sleeved on the outside of the housing and disposed at the connection between the end body and the housing.

[0012] Optionally, the end cap component further includes several O-rings, and several grooves are formed circumferentially on the outer side of the cap body for fixing the O-rings.

[0013] Optionally, the filter component further includes a support tube, one end of which is connected to the top of the filter and the other end of which abuts against the bottom of the cover.

[0014] Optionally, the filter includes a screen and a frame, the screen being arranged circumferentially around the interior of the frame.

[0015] Optionally, a limiting hole is provided at the top of the frame, and one end of the support tube is inserted into the limiting hole.

[0016] Optionally, a mounting hole is provided on the top of the cover.

[0017] Optionally, a drying package is also included, which is disposed inside the housing.

[0018] Optionally, the outer side of the housing is provided with connecting ribs along the length direction.

[0019] The beneficial effects of this application include, but are not limited to:

[0020] 1. The externally fastened subcooled liquid reservoir assembly of this application replaces the traditional threaded connection between the end body and the housing by using an externally fastened interference fit between the end body and the housing through the shaft hole, eliminating the housing thread turning process, effectively reducing the housing wall thickness, reducing machining waste, and increasing the internal space of the housing, thus effectively improving the liquid storage capacity.

[0021] 2. According to the externally fastened subcooled liquid reservoir assembly of this application, the diameter of the end body is larger than that of the shell, and the filter can be directly inserted vertically from the top of the shell. The filter is fixed by one end of the support tube and the other end abuts against the bottom of the cover, so that the filter can be placed stably and the filtration effect is good.

[0022] 3. According to the externally fastened subcooled liquid reservoir assembly of this application, by fitting an aluminum welding ring at the connection between the end body and the shell, a metallurgical bond is formed after brazing. At the same time, multiple O-rings are set in the groove of the cover body and the cover body is threadedly connected to the end body, resulting in a good overall sealing effect. Attached Figure Description

[0023] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0024] Figure 1 This is a cross-sectional structural schematic diagram of the externally attached subcooled liquid reservoir assembly of this application;

[0025] Figure 2 This is a bottom view of the externally attached subcooled liquid reservoir assembly of this application;

[0026] Figure 3 This is a cross-sectional structural diagram of the end body of the end cap component in this application;

[0027] Figure 4 This is a cross-sectional structural diagram of the end cap component in this application;

[0028] Figure 5 for Figure 1 Enlarged view of section A in the middle;

[0029] Figure 6 This is a top view of the end cap component in this application;

[0030] Figure 7 This is a three-dimensional structural diagram of the filter in this application;

[0031] Figure 8 This is a side view of the filter structure of this application;

[0032] Figure 9 This is a front view schematic diagram of the externally mounted subcooled liquid receiver assembly of this application when it is installed on the condenser.

[0033] Explanation of symbols in the diagram:

[0034] 1. Shell, 2. Top cap, 3. End body, 4. Cover, 5. Filter, 6. Aluminum welded ring, 7. O-ring seal, 8. Groove, 9. Connecting rib, 10. Support tube, 11. Filter screen, 12. Frame, 13. Limiting hole, 14. Mounting hole, 15. Drying bag, 16. Annular boss. Detailed Implementation

[0035] To better understand the above-mentioned objectives, features, and advantages of this application, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other. Many specific details are set forth in the following description to provide a thorough understanding of this application; however, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0036] Furthermore, it should be understood in the description of this application that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0037] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0038] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0039] refer to Figures 1-2 This application discloses an externally snap-on subcooled liquid reservoir assembly with an end body 3, comprising a housing 1, an end cap component, a filter component, and an upper plug 2. The upper plug 2 is disposed at the bottom of the housing 1 and is inserted into the housing 1 with an interference fit. The end cap component includes an end body 3 and a cover body 4, with the end body 3 sleeved on the outside of the housing 1 and the cover body 4 connected to the end body 3. The filter component includes a filter 5, which is disposed at the bottom inside the housing 1 and abuts against the upper plug 2.

[0040] Specifically, the housing 1 has a cylindrical structure, and connecting ribs 9 are provided along the length of the outer side of the housing 1. The dimensions of the housing are not specifically limited in this application, and those skilled in the art can adjust them according to actual needs. In this embodiment, the inner diameter of the housing is 32mm, the thickness at the connecting ribs is 3mm, and the wall thickness of the remaining areas is 1.8mm. The bottom of the housing 1 is open for installing the upper cap 2. The top of the housing 1 is also an open structure for installing the end cap component. A liquid storage space is formed inside the housing 1 for storing refrigerant.

[0041] The upper cap 2 is cylindrical, with a diameter slightly larger than the inner diameter of the bottom of the housing 1, and is inserted into the bottom of the housing 1 by an interference fit. The outer circumferential surface of the upper cap 2 is tightly fitted to the inner wall of the housing 1 to ensure sealing performance. The top surface of the upper cap 2 is a flat structure for contacting the bottom of the filter 5.

[0042] refer to Figure 3 The end body 3 in the end cap component has an annular structure with an inner diameter slightly larger than the outer diameter of the housing 1, and is interference-fitted onto the outside of the housing 1. An annular boss 16 is provided inside the end body 3, which is located in the middle of the inner wall of the end body 3 and is used to define the installation position of the end body 3 on the housing 1. The annular boss 16 has internal threads for connection with the cover body 4.

[0043] In the existing condenser design, due to the position of the support, the filter 5 cannot be inserted through the top cap 2 at the bottom. Therefore, it can only be inserted from the top of the housing 1. By setting the diameter of the end body 3 to be larger than that of the housing 1 with an interference fit, the filter 5 will not be affected by the inner diameter of the end body 3 and can be smoothly inserted into the bottom. At the same time, the end body 3 is threaded inside, eliminating the original threads on the inner wall of the housing 1, which can significantly reduce the wall thickness of the housing 1 and save materials.

[0044] refer to Figure 4 and Figure 6 The cover 4 is a cylindrical structure with an outer diameter that matches the inner diameter of the end body 3. The bottom outer circumference is provided with external threads, which connect it to the end body 3 via a threaded connection. The top of the cover 4 has a mounting hole 14, which is hexagonal in shape and is used to install and tighten the end cover with a hex wrench.

[0045] refer to Figure 5 The end cap component also includes an aluminum welding ring 6, which is sleeved on the outside of the housing 1 and located at the connection between the end body 3 and the housing 1. The aluminum welding ring 6 will melt and strengthen the weld between the two during brazing, enhance the connection strength, and improve the sealing performance.

[0046] The end cap component also includes several O-rings 7, and several grooves 8 are formed on the outer circumference of the cap body 4 for fixing the O-rings 7. This application does not limit the specific number of grooves 8 and sealing rings; those skilled in the art can select according to actual needs. There are two grooves 8, evenly distributed on the outer circumferential surface of the cap body 4. The O-rings 7 are made of high-temperature resistant rubber material, installed in the grooves 8, and contact the inner wall of the end body 3 to form a sealing structure, preventing refrigerant leakage.

[0047] refer to Figures 7-8 The filter 5 in the filter component is located at the bottom inside the housing 1 and abuts against the upper cap 2. The filter 5 includes a filter screen 11 and a frame 12, with the filter screen 11 arranged circumferentially around the inside of the frame 12. The frame 12 is made of plastic and is cylindrical. The filter screen 11 is made of stainless steel, and the mesh diameter can be selected according to actual needs. It can effectively filter impurities and particulate matter in the refrigerant.

[0048] Furthermore, the filter component also includes a support tube 10, one end of which is connected to the top of the filter 5, and the other end abuts against the bottom of the cover 4. The support tube 10 is an aluminum tube, and its length is adjusted according to the height of the housing 1 to ensure the stability of the filter 5 within the housing 1. A limiting hole 13 is provided at the top of the frame 12, and one end of the support tube 10 is inserted into the limiting hole 13. The diameter of the limiting hole 13 matches the outer diameter of the support tube 10 to ensure a secure connection. In use, the support tube 10 can be inserted into the limiting hole 13 first, and then the filter 5 can be guided along the inner wall of the housing 1 to the bottom of the housing 1 to abut against the upper cap 2 securely. This ensures that the filter 5 remains in a fixed position at the bottom of the housing 1 throughout the entire use process, achieving thorough filtration.

[0049] refer to Figure 9 The externally clipped subcooled liquid receiver assembly of the end body 3 also includes a desiccant 15, which is disposed inside the housing 1. The desiccant 15 is made of molecular sieve material, model XH-7, and is capable of absorbing moisture in the refrigeration system to prevent the system from freezing. The desiccant 15 is cylindrical and placed in the internal space of the housing 1 above the filter 5.

[0050] During use, the refrigerant is filtered by filter 5 to remove impurities and particulate matter. Simultaneously, the desiccant 15 absorbs moisture from the refrigerant. The filtered refrigerant then enters other components of the refrigeration system through the outlet at the bottom of the housing 1. The external snap-fit ​​structure of the end body 3 facilitates the installation and disassembly of the receiver assembly, while also improving sealing performance and preventing refrigerant leakage. This external snap-fit ​​subcooled receiver assembly has a compact structure, is easy to install, and provides good filtration, effectively extending the service life of the refrigeration system and improving its operating efficiency. The above description is merely a preferred embodiment of this application and is not intended to limit the application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. An externally fastened subcooled liquid reservoir assembly, characterized in that, It includes a housing (1), an end cap component, a filter component, and an upper plug (2); the upper plug (2) is disposed at the bottom of the housing (1) and is inserted into the housing (1) with an interference fit; The end cap component includes an end body (3) and a cover body (4). The end body (3) is sleeved on the outside of the housing (1), and the cover body (4) is connected to the end body (3). The filter component includes a filter (5) and a support. The filter (5) is disposed at the bottom of the housing (1), with one end abutting against the upper cap (2) and the other end connected to the support.

2. The externally fastened subcooled liquid reservoir assembly according to claim 1, characterized in that, An annular boss (16) is provided inside the end body (3), and the end body (3) is threadedly connected to the cover body (4).

3. The externally fastened subcooled liquid reservoir assembly according to claim 1, characterized in that, The end cap component also includes an aluminum welding ring (6), which is sleeved on the outside of the housing (1) and located at the connection between the end body (3) and the housing (1).

4. The externally fastened subcooled liquid reservoir assembly according to claim 1, characterized in that, The end cap component also includes several O-rings (7), and several grooves (8) are opened on the outer circumferential side of the cover body (4) for fixing the O-rings (7).

5. The externally fastened subcooled liquid reservoir assembly according to claim 1, characterized in that, The filter component also includes a support tube (10), one end of which is connected to the top of the filter (5), and the other end of which abuts against the bottom of the cover (4).

6. The externally fastened subcooled liquid reservoir assembly according to claim 5, characterized in that, The filter (5) includes a filter screen (11) and a frame (12), the filter screen (11) being arranged circumferentially around the interior of the frame (12).

7. The externally fastened subcooled liquid reservoir assembly according to claim 6, characterized in that, The top of the frame (12) is provided with a limiting hole (13), and one end of the support tube (10) is inserted into the limiting hole (13).

8. The externally fastened subcooled liquid reservoir assembly according to claim 1, characterized in that, The top of the cover (4) has an installation hole (14).

9. The externally fastened subcooled liquid reservoir assembly according to claim 1, characterized in that, It also includes a drying package (15), which is disposed inside the housing (1).

10. The externally fastened subcooled liquid reservoir assembly according to claim 1, characterized in that, The outer side of the housing (1) is provided with connecting protrusions (9) along the length direction.

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