CN211233111U - Capillary assembly for air-conditioning refrigeration - Google Patents

Abstract

The utility model discloses a capillary tube assembly for air conditioning and refrigeration, which comprises a capillary tube, a protector and a side plate. A stretching section is slidably connected inside the protector, and the stretching section is fixedly connected with the side plate. Located between the protector and the side plate, the outer surface of the side plate is connected with a first connecting pipe through a heat insulation ring, and one end of the first connecting pipe is connected with a second connecting pipe through a telescopic pipe, and the second connecting pipe is connected A connecting head is fixed on the end of the pipe, a fixing ring is fixed on the outer side of the connecting head, and a heating ring is installed between the side plates. The capillary is wound in an annular shape, and its contour is protected by the protector and the side plate, and the crack at the bend caused by the stretching of the capillary is prevented, and the spacing of the capillary can be moved through the spring and the extension section, and the spring plays a role in protecting the extension length from being too large. , to increase the life cycle and safety of the air conditioning capillary.

Description

A capillary tube assembly for air conditioning and refrigeration

technical field

The utility model relates to the technical field of air conditioners, in particular to a capillary tube assembly for air conditioner refrigeration.

Background technique

The working principle of the air conditioner is based on the four essential components of the compressor, the condenser, the evaporator and the throttling device. In order to save costs, the throttling device of the air conditioner manufacturer adopts the low-cost capillary throttling. The device and capillary are installed in the outdoor unit.

The existing air-conditioning capillary tube components are made of aluminum alloys, which lack ductility and toughness. When the capillary tube is pulled during disassembly and maintenance operations, cracks will be formed in the bent part, which is less safe and has a low application cycle. For the capillary tube assembly, when cleaning the blockage inside the capillary tube, it needs to be heated with an oxygen welding torch, and the two ends of the capillary tube cannot be heated, otherwise it will be easily broken.

Utility model content

The purpose of the utility model is to propose a capillary assembly for air conditioning and refrigeration in order to solve the problems of cracks being formed in the curved part of the capillary and to facilitate the cleaning of blockages in the capillary.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a capillary tube assembly for air conditioning and refrigeration, comprising a capillary tube, a protector and a side plate, and a stretching section is slidably connected inside the protector, and the stretching section It is fixedly connected with the side plate, the capillary is located between the protector and the side plate, the outer surface of the side plate is connected with a first connecting pipe through a heat insulation ring, and one end of the first connecting pipe is connected with a first connecting pipe through a telescopic pipe. Two connecting pipes, the end of the second connecting pipe is fixed with a connecting head, the outer side of the connecting head is fixed with a fixing ring, and a heating ring is installed between the side plates.

As a further description of the above technical solutions:

Both ends of the capillary are respectively connected with connecting heads.

As a further description of the above technical solution:

The diameter of the first connecting pipe is smaller than the diameter of the second connecting pipe, and the first connecting pipe and the second connecting pipe are disassembled.

As a further description of the above technical solutions:

The inner side of the fixing ring is provided with threads.

As a further description of the above technical solutions:

The protectors are respectively composed of a mounting block, a tension section and a spring.

As a further description of the above technical solutions:

An installation block is fixed in the middle of the protector, springs are fixed on both sides of the installation block, and an end of the spring away from the installation block is fixed with the extension section.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

1. In the present utility model, by being provided with a protector, an extension section, a spring and a side plate, the capillary is wound in an annular shape, and its outline is protected by the protector and the side plate, and the crack at the bend caused by the stretching of the capillary is prevented, and the spring The distance between the capillary tube and the extension section can be moved, and the spring plays a role in protecting the extension length from being too large, increasing the service cycle and safety of the air conditioning capillary tube.

2. In the present utility model, by being provided with a heating ring and a heat insulation ring, the air-conditioning capillary is annularly wound on the outer surface of the heating ring, and the air-conditioning capillary is heated and pulverized by turning on the heating ring power supply, and the two parts of the capillary air-conditioning capillary are heated and crushed. The end of the capillary is insulated and fixed, and when clearing the blockage, it is not easy to directly heat the two ends of the capillary, which is safer.

Description of drawings

1 is a schematic cross-sectional structure diagram of a capillary tube assembly for air conditioning and refrigeration proposed by the utility model;

2 is a schematic side view of a capillary tube assembly for air conditioning and refrigeration proposed by the utility model;

Fig. 3 is a partial structural schematic diagram of a first connecting pipe of a capillary tube assembly for air conditioning and refrigeration proposed by the utility model.

illustration:

1. Capillary tube; 2. Protector; 3. Stretching section; 4. Side plate; 5. Insulation ring; 6. Telescopic tube; 7. Connector; 8. Fixed ring; 9. Spring; 10. Mounting block; 11. Heating ring; 12. The first connecting pipe; 13. The second connecting pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a capillary tube assembly for air conditioning and refrigeration, comprising a capillary tube 1, a protector 2 and a side plate 4, the protector 2 is slidably connected with a stretching section inside 3. The stretching section 3 is fixedly connected with the side plate 4, the capillary tube 1 is located between the protector 2 and the side plate 2, and the outer surface of the side plate 4 is connected with the first connecting pipe 12 through the heat insulation ring 5 , one end of the first connecting pipe 12 is connected with a second connecting pipe 13 through the telescopic pipe 6, the end of the second connecting pipe 13 is fixed with a connecting head 7, and the outer side of the connecting head 7 is fixed with a fixing ring 8 , a heating ring 11 is installed between the side plates 4 .

Specifically, as shown in FIG. 1 and FIG. 3 , both ends of the capillary 1 are respectively connected with the connector 7 , which can fix the infusion position of the capillary 1 .

Specifically, as shown in FIG. 1 and FIG. 3 , the diameter of the first connecting pipe 12 is smaller than the diameter of the second connecting pipe 13 , and the first connecting pipe 12 and the second connecting pipe 13 are disassembled and arranged to reduce the occupied space and improve the applicability.

Specifically, as shown in FIG. 2 , the inner side of the fixing ring 8 is provided with threads, which can be paired and installed with the air conditioner assembly to reinforce the interface.

Specifically, as shown in FIG. 1 , the protector 2 is composed of a mounting block 10 , a tension section 3 and a spring 9 respectively. The protector 2 and the side plate 4 protect the outline of the capillary tube 1 and prevent the capillary tube 1 from being stretched. There is a crack at the bend, and the distance between the capillary 1 can be moved by the spring 9 and the extension.

Specifically, as shown in FIG. 1 , a mounting block 10 is fixed in the middle of the protector 2 , and springs 9 are fixed on both sides of the mounting block 10 , and one end of the spring 9 away from the mounting block 10 and the extension section are fixed 3. Fixed, the spring 9 plays a role in protecting the extended length from being too large, and increases the service cycle and safety of the air-conditioning capillary 1.

Working principle: when in use, fix the connector 7 at both ends of the air-conditioning capillary tube, put the air-conditioning capillary tube 1 into the protector 2 and the side plate 4, stretch the protection length of the extension section 3 according to the length of the air-conditioning capillary tube 1, and the fixing ring 8 is threaded It is fixed between the condenser infusion pipe and the evaporator inlet, and the air conditioning capillary 1 is welded between the condenser infusion pipe and the evaporator inlet to effectively protect the outer wall of the capillary 1 and increase its safety. If it is necessary to turn on the power supply of the heating ring 11, the air conditioning capillary 1 needs to be heated and crushed by the heating ring 11, and the operation is more convenient.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A capillary tube assembly for air conditioning and refrigeration, comprising a capillary tube (1), a protector (2) and a side plate (4), wherein the protector (2) is slidably connected with a stretched section (3) inside. ), the stretching section (3) is fixedly connected with the side plate (4), the capillary tube (1) is located between the protector (2) and the side plate (4), the outer surface of the side plate (4) A first connecting pipe (12) is connected through the thermal insulation ring (5), and one end of the first connecting pipe (12) is connected with a second connecting pipe (13) through a telescopic pipe (6). The second connecting pipe A connecting head (7) is fixed at the end of (13), a fixing ring (8) is fixed on the outer side of the connecting head (7), and a heating ring (11) is installed between the side plates (4). 2 . The capillary tube assembly for air conditioning and refrigeration according to claim 1 , wherein the two ends of the capillary tube ( 1 ) are respectively connected with the connecting head ( 7 ). 3 . 3. A capillary tube assembly for air conditioning and refrigeration according to claim 1, wherein the diameter of the first connecting pipe (12) is smaller than the diameter of the second connecting pipe (13), and the first connecting pipe (12) ) is dismantled from the second connecting pipe (13). 4 . The capillary tube assembly for air conditioning and refrigeration according to claim 1 , wherein the inner side of the fixing ring ( 8 ) is provided with threads. 5 . 5 . The capillary tube assembly for air conditioning and refrigeration according to claim 1 , wherein the protector ( 2 ) is composed of a mounting block ( 10 ), a stretching section ( 3 ) and a spring ( 9 ). 6 . 6 . The capillary tube assembly for air conditioning and refrigeration according to claim 5 , wherein a mounting block ( 10 ) is fixed in the middle of the inside of the protector ( 2 ), and two sides of the mounting block ( 10 ) are fixed. 7 . Both are fixed with a spring (9), and one end of the spring (9) away from the mounting block (10) is fixed with the stretching section (3).

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