A refrigeration appliance adapter

By using magnetic force to control the movement of the positioning column and the design of the adjusting ring, the problems of dust accumulation and jamming in the adapter of the refrigeration equipment are solved, achieving stable connection and convenient operation.

CN224469856UActive Publication Date: 2026-07-07ZAOZHUANG QIXING REFRIGERATION EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZAOZHUANG QIXING REFRIGERATION EQUIP CO LTD
Filing Date
2025-06-27
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing adapters for refrigeration equipment tend to accumulate moisture and dust during operation, leading to spring aging and jamming, affecting connection stability. Furthermore, the locking blocks are prone to accidental activation, causing limit failure and making operation inconvenient.

Method used

The movement of the positioning column is controlled by magnetic force. Axial positioning is achieved by the engagement of the positioning groove with the positioning column. The cooperation of the adjusting ring and the magnetic block prevents dust intrusion and ensures the stability and convenience of the connection.

Benefits of technology

It effectively prevents dust intrusion, avoids spring aging and jamming, improves ease of operation, and ensures stable connection and quick installation and removal of the adapter.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224469856U_ABST
    Figure CN224469856U_ABST
Patent Text Reader

Abstract

This utility model relates to the field of connecting devices and discloses an adapter for refrigeration equipment, including a connecting mechanism. The connecting mechanism has adapters at both its front and rear ends. Each connecting mechanism includes a connecting pipe and two adjusting rings. Positioning posts are slidably fitted onto the front and rear ends of the connecting pipe near their upper ends. Annular grooves are formed on the outer surface of the connecting pipe near both ends. Grooves are formed on opposite ends of the two annular grooves near their sides. Magnets are fixedly fitted onto opposite ends of the two adjusting rings near their upper and lower ends. Elastic protrusions are fixedly formed on opposite ends of the two adjusting rings near their sides. Both adapters include fixing rings. Threaded connection portions are fixedly formed on opposite ends of the two fixing rings. Positioning grooves are formed on opposite ends of the two fixing rings near their upper ends. In this utility model, the adapter can ensure both the stability of the connections between the various parts and the effectiveness of the limiting mechanism.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of connecting devices, and more particularly to an adapter for refrigeration equipment. Background Technology

[0002] Refrigeration equipment refers to various devices and systems used to achieve refrigeration. It typically consists of components such as compressors, condensers, evaporators, and throttling devices. It absorbs and releases heat through the phase change of refrigerant circulation, transferring heat from an object or space to lower its temperature to a level below the ambient temperature. Since the specifications, interfaces, and types of the various components of refrigeration equipment differ, the role of adapters is to enable these components to adapt to each other, establish an effective connection, and work together.

[0003] The existing patent "An adapter for refrigeration equipment (Publication No.: CN 222438237U)" proposes that "this utility model provides an adapter for refrigeration equipment, including a connecting pipe, with coaxially arranged connectors screwed to the openings at both ends of the connecting pipe. The cross-sectional dimensions of the connecting parts of the connectors increase sequentially from the outside to the inside. Locking blocks are provided at both ends of the outer wall of the connecting pipe. The connecting pipe and the connectors are connected together by corresponding locking blocks. A stabilizing member is circumferentially fixed at the middle of the outer wall of the connecting pipe, and the outer surface of the stabilizing member has a conical structure. Multiple connecting ears perpendicular to the connecting pipe are provided on the stabilizing member. The beneficial effects of this utility model are: this adapter is suitable for connecting conduits of different specifications, and also suitable for connecting mounting holes of different specifications on the receiving base, with high connection stability."

[0004] The aforementioned patent achieves axial limiting of the connector by engaging the locking block and the limiting groove. However, both the locking groove and the sliding groove are directly connected to the outside. The mixture of water vapor and dust generated during the operation of the refrigeration equipment may accumulate in these areas, and the spring is directly exposed. This mixture may accelerate the aging of the spring, or even cause the spring to jam, which may affect the sliding of the locking block and the disassembly of the adapter. In addition, the locking block is small in size and L-shaped, with its vertical part protruding outward, which may cause accidental contact, leading to failure of axial limiting, which may affect the stability of the connection between the various components of the adapter. The small size may also cause inconvenience when the operator operates it manually.

[0005] Therefore, those skilled in the art have provided an adapter for refrigeration equipment to solve the problems mentioned in the background art. Utility Model Content

[0006] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an adapter for refrigeration equipment. This adapter can ensure the stability of the connection between the various parts and the effectiveness of the limiting mechanism.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] An adapter for a refrigeration device includes a connecting mechanism, wherein the connecting mechanism has an adapter at both its front and rear ends;

[0009] The connecting mechanism includes a connecting tube and two adjusting rings. Positioning posts are slidably sleeved on the front and rear ends of the connecting tube near the upper end. Annular grooves are opened on the outer surface of the connecting tube near the front and rear ends. Grooves are opened on opposite ends of the two annular grooves near both sides. Magnetic blocks are fixedly sleeved on opposite ends of the two adjusting rings near the upper and lower ends. Elastic protrusions are fixedly provided on opposite ends of the two adjusting rings near both sides.

[0010] Both of the aforementioned adapters include a retaining ring, and each of the two retaining rings has a threaded connection at one end of its opposite side. Each of the two retaining rings also has a positioning groove near its upper end at one end of its opposite side.

[0011] Furthermore, a stabilizing ring is fixedly sleeved on the outer surface of the connecting mechanism, and the stabilizing ring is fixedly sleeved at the middle position of the outer surface of the connecting tube.

[0012] Furthermore, the two adjusting rings are respectively sleeved on the outer surface of the connecting pipe near the front and rear ends, and the two adjusting rings are respectively rotatably sleeved in the two annular grooves.

[0013] Furthermore, of the four magnetic blocks, the two S poles near the top face outwards, and of the four magnetic blocks, the two N poles near the bottom face outwards.

[0014] Furthermore, the opposite ends of the two positioning posts are both S poles, and the four elastic protrusions are respectively fitted into the four grooves.

[0015] Furthermore, of the four magnetic blocks, the two closest to the top correspond to the positions of the two positioning posts, and the two closest to the top of the four magnetic blocks repel each other from the two positioning posts.

[0016] Furthermore, each of the two fixed rings has a tapered connecting part fixedly provided at its opposite end, and the outer surface of each tapered connecting part is fixedly fitted with a plurality of annular protrusions.

[0017] Furthermore, the two positioning pins are respectively engaged in the two positioning slots, and the two threaded connection parts are respectively threaded onto the front and rear ends of the connecting pipe.

[0018] This utility model has the following beneficial effects:

[0019] 1. This utility model proposes an adapter for refrigeration equipment. The adapter includes a connecting mechanism and an adapter mechanism. During use, the connecting pipe and the threaded connection part are threaded together. Axial positioning is achieved by the engagement of the positioning pin and the positioning groove. The positioning pin and the positioning groove are located at the front and rear ends of the connecting pipe and the fixing ring, respectively. When the two mechanisms are assembled, the positioning pin and the positioning groove are shielded and isolated from the external environment, which can effectively prevent dust from the environment from entering the positioning groove. At the same time, magnetic force is used instead of elastic force to control the movement of the positioning pin, avoiding the adapter assembly and disassembly problems caused by spring aging or jamming. This design ensures that the adapter assembly and disassembly process is smooth and fast.

[0020] 2. This utility model proposes an adapter for refrigeration equipment. The adapter is equipped with a connecting mechanism. During use, the adjusting ring is the key structure for controlling the movement of the positioning column. By rotating the adjusting ring, the position of the magnetic block is changed, thereby changing the direction of the force on the positioning column, thus realizing the control of the positioning column. The larger size of the adjusting ring improves the convenience of user operation. At the same time, the adjusting ring is embedded in the annular groove and does not protrude outward. The engagement of the elastic protrusion and the groove provides an effective axial limiting effect, which can greatly reduce the probability of accidental contact and ensure the stability of the adjusting ring, thereby ensuring the reliability of the adapter assembly. Attached Figure Description

[0021] Figure 1 This is an axonometric view of the present invention;

[0022] Figure 2 This is an isometric view of the transfer mechanism in this utility model;

[0023] Figure 3 This is a side view of the disassembled connecting mechanism in this utility model;

[0024] Figure 4 This is a partial side sectional view of the present invention.

[0025] Legend:

[0026] 1. Connecting mechanism; 101. Connecting pipe; 102. Positioning pin; 103. Groove; 104. Adjusting ring; 105. Elastic protrusion; 106. Magnetic block; 107. Annular groove; 2. Adapter mechanism; 201. Threaded connection part; 202. Tapered connection part; 203. Annular protrusion; 204. Fixing ring; 205. Positioning groove; 3. Stabilizing ring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Reference Figure 1 An embodiment of this utility model is provided: an adapter for a refrigeration device, including a connecting mechanism 1, with an adapter 2 provided at both the front and rear ends of the connecting mechanism 1, and a stabilizing ring 3 fixedly sleeved on the outer surface of the connecting mechanism 1, the stabilizing ring 3 being fixedly sleeved at the middle position of the outer surface of the connecting pipe 101.

[0029] Specifically, the connecting mechanism 1 is used to connect two adapter mechanisms 2, and the two adapter mechanisms 2 are used to connect two different pipe ports respectively. The stabilizing ring 3 can fix the entire adapter to the receiving structure.

[0030] It should be noted that: on the outer surface of the stabilizing ring 3, there are fixing blocks on both sides near the front end. The front end of the fixing block has a hole. By passing a screw through the hole, the adapter can be stably fixed to the receiving structure. The outer surface of the rear end of the stabilizing ring 3 is designed to be conical, so that it can be tightly embedded in the mounting hole of the receiving structure, thereby enhancing the stability of the connection between the adapter and the receiving structure.

[0031] Reference Figure 3 , Figure 4 The connecting mechanism 1 includes a connecting tube 101 and two adjusting rings 104. Positioning pins 102 are slidably sleeved on the front and rear ends of the connecting tube 101 near the upper end. Annular grooves 107 are opened on the outer surface of the connecting tube 101 near the front and rear ends. Grooves 103 are opened on opposite ends of the two annular grooves 107 near both sides. Magnets 106 are fixedly sleeved on opposite ends of the two adjusting rings 104 near the upper and lower ends. Elastic protrusions 105 are fixedly provided on opposite ends of the two adjusting rings 104 near both sides.

[0032] Two adjusting rings 104 are respectively sleeved on the outer surface of the connecting pipe 101 near the front and rear ends. The two adjusting rings 104 are respectively rotatably sleeved in the two annular grooves 107. Of the four magnetic blocks 106, the two S poles near the upper end face outwards, and the two N poles near the lower end face outwards. The opposite ends of the two positioning posts 102 are both S poles. Four elastic protrusions 105 are respectively sleeved in the four grooves 103. Of the four magnetic blocks 106, the two near the upper end correspond to the positions of the two positioning posts 102. The two near the upper end of the four magnetic blocks 106 repel each other from the two positioning posts 102. The two positioning posts 102 are respectively engaged in the two positioning grooves 205.

[0033] Specifically, the connecting tube 101 is used to connect the two adapter mechanisms 2. Threaded grooves are opened on its inner surface near the front and rear ends, and it is threadedly fitted with the threaded connection part 201. The positioning post 102 is a permanent magnet, with the magnetic pole near the end of the annular groove 107 being the S pole. The magnetic blocks 106 are also permanent magnets. The four magnetic blocks 106 are divided into upper and lower groups. The magnetic poles of the two upper magnetic blocks 106 near the positioning post 102 are the S pole, and the magnetic poles of the two lower magnetic blocks 106 near the positioning post 102 are the N pole. The two upper magnetic blocks 106 and the positioning post 102 repel each other. The repulsive force can make the positioning post 102 slide outward until it is engaged in the positioning groove 205. When the adjusting ring 104 rotates 180 degrees, the upper and lower magnetic blocks 106 are swapped. At this time, the magnetic blocks 106 and the positioning post 102 attract each other. The attraction force makes the positioning post 102 slide inward until the positioning post 102 is disengaged from the positioning groove 205.

[0034] It should be noted that both the magnetic block 106 and the positioning post 102 are made of a high remanence material. This material has extremely high remanence density and coercivity, and can retain strong magnetism even after the external magnetic field disappears. This can effectively delay the magnetic decay process, thereby ensuring effective control of the positioning post 102 during long-term use.

[0035] The adjusting ring 104 can rotate around the connecting pipe 101. Its rotation position is controlled by the elastic protrusion 105. When the elastic protrusion 105 is engaged in the groove 103, it axially restricts the adjusting ring 104, making the adjusting ring 104 relatively static and stable. At the same time, the elastic protrusion 105 is made of highly elastic rubber material. When a certain force is applied to the adjusting ring 104, the elastic protrusion 105 can be compressed and disengaged from the groove 103, thereby releasing the restriction effect on the adjusting ring 104 and ensuring the smooth sliding of the adjusting ring 104.

[0036] It should be noted that since this adapter is used in refrigeration equipment, in order to ensure the elasticity of the elastic protrusion 105, the rubber of the elastic protrusion 105 is low-temperature rubber. This rubber material can prevent the rubber from hardening at low temperatures, which would affect the rotation adjustment of the adjusting ring 104.

[0037] Reference Figure 2 , Figure 4 Both transition mechanisms 2 include a fixed ring 204. Each fixed ring 204 has a threaded connection part 201 fixedly provided at one end of its opposite side. Each fixed ring 204 has a positioning groove 205 near its upper end at one end of its opposite side. Each fixed ring 204 has a tapered connection part 202 fixedly provided at the opposite end of its opposite side. Each tapered connection part 202 has a plurality of annular protrusions 203 fixedly sleeved on its outer surface. The two threaded connection parts 201 are respectively threaded onto the front and rear ends of the connecting pipe 101.

[0038] Specifically, the threaded connection part 201, the retaining ring 204, and the tapered connection part 202 together constitute the main part of the adapter mechanism 2. The outer surface of the threaded connection part 201 is threaded, allowing it to be threadedly connected to the connecting pipe 101. The retaining ring 204 is located between the threaded connection part 201 and the tapered connection part 202, connecting the two parts. The outer diameter of the retaining ring 204 is larger than the outer diameter of the threaded connection part 201, but the same as the outer diameter of the connecting pipe 101. The tapered connection part 202 is used to connect the adapter to the pipe. Its tapered surface can adapt to various sizes of pipe inner diameters, and the surface of the tapered connection part 202 is provided with multiple annular protrusions 203, each annular protrusion 203... The dimensions of the three components are different, and they are distributed along the conical surface with equal diameters to accommodate pipes of different sizes. The annular protrusion 203 is made of low-temperature rubber. When the pipe is fitted onto the conical connecting part 202, the pipe has a certain elasticity. The pipe generates a contraction force due to elastic deformation, which forms a mutual squeezing pressure with the conical connecting part 202, so that the pipe can be tightly fitted onto the conical connecting part 202. The annular protrusion 203 can increase the frictional resistance of the pipe and increase the stability of the connection between the pipe and the conical connecting part 202. The positioning groove 205 is engaged with the positioning post 102, which can axially limit the adapter 2 and prevent loosening between the adapter 2 and the connecting mechanism 1.

[0039] It should be noted that the adapter is equipped with a tapered connection part 202, which is mainly suitable for connecting circular pipes and adapters.

[0040] Working principle: When the adapter needs to be disassembled, the initial state of the adjusting ring 104 needs to be determined first. At this time, the S pole of the magnetic block 106 located above faces outward and there is a repulsive force between it and the positioning post 102. Under the action of repulsive force, the positioning post 102 is stuck into the positioning groove 205.

[0041] Next, a certain force is applied to the adjusting ring 104, and the elastic protrusion 105 is compressed under pressure until the elastic protrusion 105 is disengaged from the groove 103. The adjusting ring 104 starts to rotate. After rotating 180 degrees, the elastic protrusion 105 is re-engaged into the groove 103. The upper and lower magnetic blocks 106 are reversed, and the upper magnetic block 106 becomes N pole facing outward, which has an attraction with the positioning post 102. Under the action of attraction, the positioning post 102 is disengaged from the positioning groove 205, releasing the axial limit on the adapter mechanism 2. Then, by rotating the adapter mechanism 2, the connection mechanism 1 and the adapter mechanism 2 can be separated.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A transfer for a refrigeration appliance comprising a connection means (1), characterised in that: The front and rear ends of the connecting mechanism (1) are provided with adapter mechanisms (2); The connecting mechanism (1) comprises a connecting pipe (101) and two adjusting rings (104), the front and rear ends of the connecting pipe (101) are slidably sleeved with positioning columns (102) near the upper ends, the outer surfaces of the connecting pipe (101) are provided with annular grooves (107) near the front and rear ends, the opposite ends of the two annular grooves (107) are provided with grooves (103) near the two sides, the opposite ends of the two adjusting rings (104) are fixedly sleeved with magnetic blocks (106) near the upper and lower ends, and the opposite ends of the two adjusting rings (104) are fixedly provided with elastic protrusions (105) near the two sides. The two adapter mechanisms (2) each comprise a fixed ring (204), and the opposite ends of the two fixed rings (204) are fixedly provided with threaded connecting portions (201); and the opposite ends of the two fixed rings (204) are provided with positioning grooves (205) near the upper ends.

2. A conversion head for a refrigeration appliance according to claim 1, characterized in that: The outer surface of the connecting mechanism (1) is fixedly sleeved with a stabilizing ring (3), and the stabilizing ring (3) is fixedly sleeved on the outer surface of the connecting pipe (101) at the middle position.

3. The adapter for a refrigeration appliance of claim 1, wherein: The two adjusting rings (104) are respectively sleeved on the outer surface of the connecting pipe (101) near the front and rear ends, and the two adjusting rings (104) are respectively rotatably sleeved in the two annular grooves (107).

4. The adapter for a refrigeration appliance of claim 1, wherein: The two S-poles of the four magnetic blocks (106) near the upper ends face outward, and the two N-poles of the four magnetic blocks (106) near the lower ends face outward.

5. The adapter for a refrigeration appliance of claim 1, wherein: The opposite ends of the two positioning columns (102) are S-poles, and the four elastic protrusions (105) are respectively sleeved in the four grooves (103).

6. The adapter for a refrigeration appliance of claim 1, wherein: The two S-poles of the four magnetic blocks (106) near the upper ends correspond to the positions of the two positioning columns (102) respectively, and the two S-poles of the four magnetic blocks (106) near the upper ends repel each other.

7. The adapter for a refrigeration appliance of claim 1, wherein: The opposite ends of the two fixed rings (204) are fixedly provided with tapered connecting portions (202), and the outer surfaces of the two tapered connecting portions (202) are fixedly sleeved with a plurality of annular protrusions (203).

8. The adapter for a refrigeration appliance of claim 1, wherein: The two positioning columns (102) are respectively clamped into the two positioning grooves (205), and the two threaded connecting portions (201) are respectively threadedly sleeved on the front and rear ends of the connecting pipe (101).