Efficient uniform distribution type refrigerant flow dividing structure

By combining the design of shielding components and scale lines, precise flow regulation of the refrigerant distribution structure is achieved, solving the problem that existing technologies cannot adapt to the needs of different areas, and improving the accuracy of refrigerant distribution and the flexibility of the equipment.

CN223882580UActive Publication Date: 2026-02-06ZHEJIANG JUSHEN NEW MATERIAL TECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520462476.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-06
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Existing refrigerant distribution devices cannot accurately adjust the refrigerant flow distribution in the branches according to the different needs of the refrigeration equipment.

Method used

A highly efficient uniform refrigerant distribution structure was designed, comprising a shielding component, a filter component, and a detachable connector. The shielding area of ​​the baffle is adjusted by rotating the handwheel to control the refrigerant flow, and the scale lines and limit bolts ensure precise adjustment and stability.

Benefits of technology

It enables precise adjustment of refrigerant flow according to the cooling needs of different regions, improving the accuracy and reliability of flow regulation, and ensuring the stability of refrigerant distribution and the flexibility of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223882580U_ABST
    Figure CN223882580U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-efficiency equipartition type refrigerant shunting structure which comprises a pipe body, a shielding assembly used for adjusting the throughput of a refrigerant is arranged in an inner cavity of the pipe body, and a filtering assembly used for filtering the refrigerant entering the pipe body is arranged at a top opening of the pipe body. The top and the bottom of the pipe body are connected with an input pipe used for conveying refrigerating fluid and an equipment connecting pipe connected with equipment through detachable connecting pieces correspondingly, through the arrangement of the shielding assembly, a hand wheel is rotated towards one side, a connecting rod can be made to rotate to drive baffles to rotate, the other set of baffles are driven to rotate inwards at the same time through the linkage assembly, and therefore the refrigerating fluid can be conveyed. Therefore, the shielding area of the baffle to the inner cavity of the pipe body is changed, the throughput of the refrigerant is adjusted, the actual refrigeration requirements of different areas are met, and the flow distribution of the refrigerant in the branch is accurately adjusted.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to refrigerant shunt structure technical field, concretely relates to a high -efficient even formula refrigerant shunt structure. BACKGROUND

[0002] In the refrigeration equipment, the refrigerant entering the evaporator and condenser needs to be shunted to realize that the refrigerant evenly enters each capillary or evaporating coil, so that the refrigerant can be fully dispersed and maximally contacted with the outside, fully utilize the heat transfer function of the equipment, complete heat exchange at the fastest speed and achieve the effect of adjusting temperature.

[0003] The Chinese patent with publication number CN219913549U discloses a refrigerant shunt device for refrigeration and air conditioning, which comprises a shunt head body, a six-prong block and a threaded pipe, the lower end of the shunt head body is fixedly connected with the six-prong block, the inner side of the bottom end of the six-prong block is provided with an internal thread, the inner side of the six-prong block is spirally connected with the threaded pipe through the internal thread, the inner side of the periphery of the shunt head body is provided with a shunt hole, the inner side of the middle bottom end of the shunt head body is provided with a threaded hole, the inner side of the bottom end of the shunt head body is spirally connected with a threaded rod through the threaded hole, the bottom end of the threaded rod is fixedly connected with a fixed block, and the inner side of the lower end of the fixed block is rotationally connected with a rotating shaft through a micro bearing. In the utility model, the refrigerant entering the shunt device can be pressurized, thereby overcoming the problem of large internal resistance of the pipeline, leading to uneven shunting, further ensuring the evaporation area of the heat exchanger and effectively ensuring the refrigeration effect of the air conditioner.

[0004] The above-mentioned shunt device cannot accurately adjust the flow distribution of the refrigerant in the branch according to the actual refrigeration requirements of different areas of the refrigeration equipment in actual use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a high -efficient even formula refrigerant shunt structure to solve the technical defects that the existing shunt device cannot be adjusted according to requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A high -efficient even formula refrigerant shunt structure, including the pipe body, the inner chamber of the pipe body is provided with the sheltering subassembly for adjusting the refrigerant passing amount, the top mouth of the pipe body is provided with the filtering subassembly for filtering the refrigerant entering the inside of the pipe body, and the top and the bottom of the pipe body are connected with the input pipe for conveying refrigeration liquid and the equipment connecting pipe for connecting equipment respectively through detachable connecting pieces.

[0008] The shielding assembly comprises a fixed strip fixedly installed in the middle of the inner cavity of the pipe body, accommodating grooves are formed in the bottoms of the two sides of the fixed strip, the inner cavities of the two groups of accommodating grooves are rotationally connected with connecting rods, the surfaces of the two groups of connecting rods are fixedly sleeved with fixed rings, the opposite sides of the two groups of fixed rings are fixedly connected with baffle plates for shielding the inner cavity of the pipe body, the opposite sides of the two groups of baffle plates are connected together through a linkage assembly, and the surface of the pipe body is provided with a rotating assembly for rotating one group of connecting rods so as to simultaneously rotate the two groups of baffle plates inward to adjust the shielding area of the inner cavity of the pipe body.

[0009] As a preferred scheme of the present application, the rotating assembly comprises fixed sleeves respectively installed on the front and rear surfaces of the pipe body, the two ends of one group of connecting rods respectively penetrate the inner cavities of the corresponding fixed sleeves and extend to the outer sides of the corresponding fixed sleeves, and the two ends of the connecting rod located on the outer side of the fixed sleeve are fixedly connected with hand wheels.

[0010] As a preferred scheme of the present application, the surfaces of the two groups of fixed sleeves are provided with recesses arranged in an arc shape, the inner cavities of the recesses are provided with scale lines, the two ends of the connecting rod are fixedly connected with U-shaped frames, the outer circular surfaces of the two groups of fixed sleeves are respectively located inside the corresponding U-shaped frames, and the front surfaces of the two groups of U-shaped frames are provided with observation openings at positions corresponding to the scale lines.

[0011] As a further scheme of the present application, the top of the U-shaped frame is threadedly connected with a limiting bolt, the outer circular surfaces of the two groups of fixed sleeves are provided with limiting holes at positions corresponding to each group of division values of the scale lines, and the end of the limiting bolt is inserted into the inner cavity of one group of limiting holes.

[0012] As a further scheme of the present application, the linkage assembly comprises fan-shaped racks fixedly installed on the middle parts of the opposite sides of the two groups of fixed rings, and the tooth surfaces of the two groups of fan-shaped racks are meshed together.

[0013] As a preferred scheme of the present application, the filtering assembly comprises a limiting ring fixedly installed on the inner wall of the pipe body and located above the baffle plate, a filter plate is placed on the upper part of the limiting ring, an outer threaded ring is threadedly connected with the mouth part of the pipe body, and a hexagonal hole is formed in the middle part of the outer threaded ring.

[0014] As a further preferred scheme of the present application, the detachable connecting piece comprises outer threaded pipes respectively communicating with the top and bottom of the pipe body, and the ends of the input pipe and the equipment connecting pipe are sleeved with threaded covers, and the surfaces of the two groups of threaded covers are threadedly connected with the surfaces of the corresponding outer threaded pipes.

[0015] Compared with the prior art, the high-efficiency equal-division type refrigerant shunting structure has the following beneficial effects:

[0016] 1. The utility model discloses a setting of shielding assembly, rotates hand wheel to one side, can make connecting rod rotate and drive baffle to rotate to another group of baffles are driven to rotate simultaneously inwards through linkage assembly to change the shielding area of baffle to the inner chamber of pipe body, adjust the passing amount of refrigerant, and this adapts to the actual refrigeration demand of different area, and then, accurately adjust the flow distribution of refrigerant in branch.

[0017] 2. The utility model discloses the setting of observation port, the arc -shaped recess of fixed sleeve surface and the inside scale line, cooperate the observation port on the U -shaped frame, can directly observe the rotation angle of connecting rod to accurately control the rotation of baffle, realize more accurate adjustment to refrigerant flow, improve the precision and reliability of flow regulation.

[0018] 3. The utility model discloses the setting of limiting bolt and limiting hole, after adjusting the angle of baffle, inserts the end of limiting bolt into corresponding limiting hole, can firmly lock the position of connecting rod, prevents the accidental rotation of connecting rod due to external vibration or other factors, ensures the stability of refrigerant flow. DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the drawing needed to be used in the embodiment simple introduction, obviously, the drawing in the following description only is the embodiment of the utility model case, for the person skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0020] Figure 1 It is the structural schematic diagram of the embodiment of the utility model;

[0021] Figure 2 It is the structural schematic diagram of the external thread pipe in the embodiment of the utility model;

[0022] Figure 3 It is the sectional structure schematic diagram of the pipe body in the embodiment of the utility model;

[0023] Figure 4 It is the structural schematic diagram of the baffle in the embodiment of the utility model;

[0024] Figure 5 It is the sectional structure schematic diagram of the fixed strip in the embodiment of the utility model.

[0025] Signs of drawing:

[0026] 100, pipe body;101, input pipe;102, equipment connecting pipe;

[0027] 200, screw cover;201, external thread pipe;

[0028] 300, hand wheel; 301, fixed sleeve; 302, groove; 303, scale line; 304, limiting hole; 305, observation port; 306, limiting bolt; 307, connecting rod; 308, fixed ring; 309, sector rack; 310, baffle; 311, fixed strip; 312, containing groove;

[0029] 400, external thread ring; 401, filter plate; 402, limiting ring; 403, hexagonal hole. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear and obvious, the following will be further described in detail with the utility model embodiment combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0031] In the description of the utility model embodiment, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model embodiment and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model embodiment.

[0032] In the description of the utility model embodiment, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, integrally connected, or detachably connected, it can be the communication inside two elements, it can be directly connected, or indirectly connected through an intermediate medium, for those skilled in the art, the specific meaning of the above terms in the utility model embodiment can be understood according to the specific circumstances.

[0033] Referring to the drawings Figures 1-5 The utility model embodiment discloses a high-efficiency equal division type refrigerant distribution structure, which comprises a pipe body 100, the inner cavity of the pipe body 100 is provided with a shielding assembly for adjusting the passing amount of refrigerant, the top opening of the pipe body 100 is provided with a filter assembly for filtering the refrigerant entering the inside of the pipe body 100, and the top and bottom of the pipe body 100 are respectively connected with an input pipe 101 for conveying refrigerant and a device connecting pipe 102 for connecting devices through detachable connecting pieces.

[0034] The shielding assembly comprises a fixed strip 311 fixedly installed in the middle of the inner cavity of the pipe body 100, the bottom of the two sides of the fixed strip 311 is provided with a containing groove 312, the inner cavity of the two containing grooves 312 is rotatably connected with a connecting rod 307, the surface of the two connecting rods 307 is fixedly sleeved with a fixed ring 308, the opposite side of the two fixed rings 308 is fixedly connected with a baffle plate 310 for shielding the inner cavity of the pipe body 100, the opposite side of the two baffle plates 310 is connected together through a linkage assembly, and the surface of one side of the pipe body 100 is provided with a rotating assembly for rotating one of the connecting rods 307 to simultaneously rotate the two baffle plates 310 inward to adjust the shielding area of the inner cavity of the pipe body 100.

[0035] The rotating assembly comprises fixed sleeves 301 installed on the front and rear surfaces of the pipe body 100, respectively, the two ends of one of the connecting rods 307 extend through the inner cavities of the corresponding fixed sleeves 301 and extend to the outer sides of the corresponding fixed sleeves 301, and the two ends of the connecting rod 307 located on the outer side of the fixed sleeve 301 are fixedly connected with a hand wheel 300, through the arrangement of the shielding assembly, rotating the hand wheel 300 to one side can make the connecting rod 307 rotate, thereby driving the baffle plate 310 to rotate, and through the linkage assembly, the other baffle plate 310 is simultaneously rotated inward, thereby changing the shielding area of the baffle plate 310 to the inner cavity of the pipe body 100, adjusting the passing amount of the refrigerant, thereby adapting to the actual refrigeration demand of different areas, and accurately adjusting the flow distribution of the refrigerant in the branch.

[0036] The surfaces of the two fixed sleeves 301 are provided with arc-shaped grooves 302, the inner cavities of the grooves 302 are provided with scale lines 303, the two ends of the connecting rod 307 are fixedly connected with a U-shaped bracket 313, the outer circular surfaces of the two fixed sleeves 301 are located inside the corresponding U-shaped brackets 313, the front surfaces of the two U-shaped brackets 313 are provided with observation openings 305 corresponding to the scale lines 303, through the arrangement of the observation openings 305, the arc-shaped grooves 302 provided on the surface of the fixed sleeve 301 and the scale lines 303 inside the arc-shaped grooves 302 are matched with the observation openings 305 on the U-shaped bracket 313, the rotating angle of the connecting rod 307 can be directly observed, thereby accurately controlling the rotation of the baffle plate 310, realizing more accurate adjustment of the refrigerant flow, and improving the accuracy and reliability of the flow adjustment.

[0037] The top of the U-shaped frame 313 is threadedly connected with a limiting bolt 306, and the outer circumferential surface of each of the two sets of fixing sleeves 301 is provided with a limiting hole 304 at a position corresponding to each of the division values of the scale line 303. The end of the limiting bolt 306 is inserted into the inner cavity of one of the limiting holes 304. After the angle of the baffle 310 is adjusted, the end of the limiting bolt 306 is inserted into the corresponding limiting hole 304, so as to firmly lock the position of the connecting rod 307 and prevent the connecting rod 307 from being accidentally rotated due to external vibration or other factors, thereby ensuring the stability of the refrigerant flow.

[0038] The linkage assembly includes a fan-shaped gear rack 309 fixedly installed at the middle part of the opposite side of each of the two sets of fixing rings 308. The tooth surfaces of the two sets of fan-shaped gear racks 309 are engaged together. Through the arrangement of the linkage assembly, when one of the connecting rods 307 is rotated, the other connecting rod 307 can be stably and reliably driven to rotate synchronously, thereby ensuring that the two baffles 310 can be simultaneously rotated inward to adjust, so that the adjustment of the shielding area of the inner cavity of the pipe body 100 is more uniform and accurate.

[0039] The filtering assembly includes a limiting ring 402 fixedly installed on the inner wall of the pipe body 100 and located above the baffle 310. The upper part of the limiting ring 402 is provided with a filter plate 401. The mouth of the pipe body 100 is threadedly connected with an external thread ring 400. The middle part of the external thread ring 400 is provided with a hexagonal hole 403. Through the arrangement of the filtering assembly, the impurities in the refrigerant can be effectively intercepted, the subsequent connected equipment is protected from damage by impurities, and the service life of the equipment is prolonged. At the same time, the filter plate 401 can be taken out and replaced by unscrewing the external thread ring 400, and the maintenance operation is simple and convenient. In addition, the hexagonal hole 403 in the middle of the external thread ring 400 facilitates the use of tools for disassembly and installation.

[0040] The detachable connecting piece includes an external thread pipe 201 respectively communicating with the top and bottom of the pipe body 100. The end of the input pipe 101 and the equipment connecting pipe 102 is provided with a threaded cap 200. The two sets of threaded caps 200 are respectively threadedly connected with the surface of the corresponding side external thread pipe 201. The end of the input pipe 101 and the equipment connecting pipe 102 connected with the pipe body 100 is a flared mouth. Through the arrangement of the detachable connecting piece, the connection of the input pipe 101 and the equipment connecting pipe 102 with the pipe body 100 is simple and convenient, and the connection is firm. At the same time, it is convenient to disassemble and reinstall, and when the pipeline or equipment needs to be replaced, the operation can be quickly completed, thereby improving the flexibility and expandability of the system.

[0041] The utility model embodiment uses, screw thread cover 200 of input end portion and the outer thread ring 400 of pipe body 100 top are screwed together, refrigerant in input pipe 101 can enter pipe body 100, subsequently, the screw thread cover 200 of equipment connecting pipe 102 is connected together with the outer thread ring 400 of pipe body 100 bottom, and refrigerant in pipe body 100 can enter equipment connecting pipe 102.

[0042] Rotating hand wheel 300 to one side, can make connecting rod 307 rotate and drive baffle 310 to rotate, when baffle 310 rotates, drive sector rack 309 to rotate, because the tooth surface of two sets of baffle 310 relative one side installed sector rack 309 is engaged together, when one set of sector rack 309 rotates, will drive another set of sector rack 309 to rotate, and then drive connecting rod 307 and baffle 310 synchronous rotation, and then the facing end of two sets of baffle 310 rotates downward simultaneously, thereby changing the shielding area of baffle 310 to the inner cavity of pipe body 100, thereby adjusting the passing amount of refrigerant.

[0043] The surface of fixed sleeve 301 is provided with recess 302 arranged in an arc shape, recess 302 has scale line 303, and the front side surface of U-shaped frame 313 at both ends of connecting rod 307 is provided with observation port 305, scale line 303 can be seen through observation port 305, so that the rotation angle of baffle 310 is known.

[0044] When rotating to the required angle finally, tighten limit bolt 306 inward, so that the end of limit bolt 306 is inserted into limit hole 304 in the corresponding position, prevent self-rotation, and ensure that the position of baffle 310 is stable.

[0045] The utility model embodiment through the setting of shielding assembly, rotating hand wheel 300 to one side, can make connecting rod 307 rotate and drive baffle 310 to rotate, and another set of baffle 310 is driven to rotate inward simultaneously through linkage assembly, thereby changing the shielding area of baffle 310 to the inner cavity of pipe body 100, adjusting the passing amount of refrigerant, to adapt to the actual refrigeration demand of different areas, and then accurately adjust the flow distribution of refrigerant in branch.

[0046] The basic principle of the present application is shown and described above, and the above is only the preferred embodiment of the present application, and does not limit the present application, and the above embodiment and the description in the specification only illustrate the principle of the present application, and any modification, equivalent replacement and improvement within the scope of the present application should be included in the protection scope of the present application.

Claims

1. A high-efficiency equal-division refrigerant splitting structure comprising a pipe body (100), characterized in that: The inner cavity of the pipe body (100) is provided with a shielding assembly for adjusting the amount of refrigerant passing through, the top of the pipe body (100) is provided with a filtering assembly for filtering the refrigerant entering the inside of the pipe body (100), and the top and bottom of the pipe body (100) are respectively connected with an input pipe (101) for conveying refrigerant and a device connecting pipe (102) for connecting equipment through detachable connectors. The shielding assembly comprises a fixed strip (311) fixedly installed in the middle of the inner cavity of the pipe body (100), the two sides of the fixed strip (311) are provided with accommodating grooves (312), the inner cavities of the two groups of accommodating grooves (312) are rotatably connected with connecting rods (307), the surfaces of the two groups of connecting rods (307) are fixedly provided with fixed rings (308), the opposite sides of the two groups of fixed rings (308) are fixedly connected with baffles (310) for shielding the inner cavity of the pipe body (100), the opposite sides of the two groups of baffles (310) are connected together through a linkage assembly, and one side surface of the pipe body (100) is provided with a rotating assembly for rotating one group of connecting rods (307) to simultaneously rotate the two groups of baffles (310) inward to adjust the shielding area of the inner cavity of the pipe body (100).

2. The high-efficiency equal-split refrigerant split structure of claim 1, wherein: The rotating assembly comprises fixed sleeves (301) installed on the front and rear sides of the pipe body (100), respectively, and the two ends of one group of connecting rods (307) extend outside the corresponding fixed sleeve (301) through the inner cavities of the corresponding fixed sleeve (301), and the two ends of the connecting rod (307) outside the fixed sleeve (301) are fixedly connected with hand wheels (300).

3. The high-efficiency equal division refrigerant splitting structure of claim 1, wherein: The surfaces of the two groups of fixed sleeves (301) are provided with arc-shaped grooves (302), the inner cavities of the grooves (302) are provided with scale lines (303), the two ends of the connecting rod (307) are fixedly connected with U-shaped frames (313), the outer circular surfaces of the two groups of fixed sleeves (301) are located inside the corresponding U-shaped frames (313), and the front surfaces of the two groups of U-shaped frames (313) are provided with observation openings (305) corresponding to the scale lines (303).

4. The high-efficiency equal-split refrigerant split structure of claim 3, wherein: The top of the U-shaped frame (313) is threadedly connected with a limiting bolt (306), the outer circular surfaces of the two groups of fixed sleeves (301) are provided with limiting holes (304) corresponding to each group of division values of the scale lines (303), and the end of the limiting bolt (306) is inserted into the inner cavity of one of the limiting holes (304).

5. A high-efficiency equal-split refrigerant split structure according to claim 4, characterized by: The linkage assembly comprises fan-shaped racks (309) fixedly installed in the middle of the opposite sides of the two groups of fixed rings (308), respectively, and the tooth surfaces of the two groups of fan-shaped racks (309) are engaged together.

6. The high-efficiency equal division refrigerant splitting structure of claim 1, wherein: The filter assembly comprises a limiting ring (402) fixedly installed on the inner wall of a pipe body (100) and located above a baffle (310), an upper portion of the limiting ring (402) is provided with a filter plate (401), and a mouth portion of the pipe body (100) is threadedly connected with an outer threaded ring (400), and a middle portion of the outer threaded ring (400) is provided with a hexagonal hole (403).

7. A high-efficiency equal-split refrigerant split structure according to any one of claims 1-6, characterized in that: The detachable connecting piece comprises outer threaded pipes (201) respectively communicating with the top and bottom of the pipe body (100), and the end portions of the input pipe (101) and the equipment connecting pipe (102) are respectively sleeved with threaded covers (200), and the two groups of threaded covers (200) are respectively threadedly connected with the surfaces of the corresponding side outer threaded pipes (201).

Citation Information

Patent Citations

  • Refrigerant shunting device of refrigeration air conditioner

    CN219913549U