CN204476769U - A kind of rotor-type compressor air suction structure - Google Patents

Abstract

The utility model discloses an air suction structure of a rotor type compressor, which comprises a cylinder intubation pipe, a cylinder body, a connecting plate, a connecting pipe and a universal joint; the connecting plate is fixed on the cylinder body by spot welding, and the connecting plate is provided with threaded holes and Through hole; the connecting pipe is placed in the through hole on the connecting plate and brazed and welded on the cylinder body; the cylinder insert is inserted into the connecting pipe and is higher than the connecting pipe, and the part of the cylinder insert higher than the connecting pipe is brazed and welded with the connecting pipe The universal joint is inserted into the cylinder intubation tube; the outer edge of the universal joint rear end is fixed with a connecting plate, and the screw passes through the connecting plate and the threaded hole on the connecting plate and is threaded, so that the universal joint is fixed on the connecting plate. For the application of mobile refrigeration, the utility model adopts a new suction structure, which solves the difficulty of connecting the refrigeration compressor with a universal joint, and achieves the purpose of convenient installation and replacement of the rotor compressor when it is used in mobile refrigeration.

Description

A rotary compressor suction structure

【Technical field】

The utility model relates to the field of refrigeration compressors, in particular to a rotor type compressor suction structure.

【Background technique】

In the field of household air-conditioning applications, the pipes used for the suction of the rotary compressor are made of copper pipes, which are fixed to the suction port of the compressor by brazing. This fixing method is not suitable for mobile refrigeration applications.

In some special applications of rotary compressors, such as mobile refrigeration fields such as vehicle air-conditioning refrigeration, brazing cannot be used for installation and replacement of compressors.

【Content of utility model】

The purpose of the utility model is to provide a rotor compressor suction structure to solve the above technical problems.

In order to achieve the above object, the utility model adopts the following technical solutions:

A suction structure for a rotor compressor, including a cylinder intubation tube, a cylinder, a connecting plate, a connecting pipe and a universal joint; the connecting plate is fixed on the cylinder by spot welding, and threaded holes and through holes are arranged on the connecting plate; The tube is placed in the through hole on the connecting plate and brazed and welded on the cylinder body; the cylinder cannula is inserted into the connecting tube and is higher than the connecting tube, and the part of the cylinder cannula higher than the connecting tube is brazed and welded with the connecting tube; The joint is inserted in the cylinder intubation tube; the outer edge of the universal joint rear end is fixed with a connecting plate, and the screw passes through the connecting plate and the threaded hole on the connecting plate and is threaded, so that the universal joint is fixed on the connecting plate.

Preferably, the rubber sealing ring provided on the outer periphery of the universal joint is closely combined with the inner hole of the cylinder insert.

Preferably, the top of the cylinder insert is lower than the surface of the connecting plate.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is a rotor type compressor air suction structure, by setting a cylinder intubation tube matched with a universal joint on the periphery of the compressor cylinder, and connecting with the universal joint When connecting, use screws to fix the universal joint on the connecting plate through the threaded holes on the connecting plate. It solves the technical problem that brazing cannot be used for installation and replacement of compressors in the field of mobile refrigeration such as the existing vehicle air-conditioning refrigeration; for mobile refrigeration applications, the utility model adopts a new suction structure, which solves the problem that the refrigeration compressor adopts a general The difficulty of joint connection achieves the purpose of convenient installation and replacement of the compressor when the rotary compressor is used in mobile refrigeration.

【Description of drawings】

Fig. 1 is a schematic diagram of the suction structure of the utility model rotor compressor;

Figure 2 is a schematic diagram of the installation of the universal joint and the suction port.

【Detailed ways】

Please refer to FIG. 1 and FIG. 2 , the utility model is a rotor compressor suction structure, including a cylinder insert 1 , a cylinder 2 , a connecting plate 3 , a connecting pipe 4 and a universal joint 6 .

The connecting plate 3 is fixed on the cylinder body 2 by spot welding, and the connecting plate 3 is provided with a threaded hole 3-1 and a through hole 3-2; the connecting pipe 4 is placed in the through hole 3-2 on the connecting plate 3 and brazed Welded on cylinder 2.

The cylinder cannula 1 is inserted into the connecting pipe 4 and is higher than the connecting pipe 4; during actual assembly, the cylinder cannula 1 is inserted into the connecting pipe 4 first, and the protruding part of the cylinder cannula 1 is brazed and welded with the connecting pipe 4 .

When connecting with the universal joint 6, the universal joint 6 is inserted in the cylinder intubation 1; the outer edge of the universal joint 6 rear end is fixed with a connecting plate 60, and the screw 7 passes through the connecting plate 60 and the threaded hole 3 on the connecting plate 3- 1 is screwed, and the universal joint 6 is fixed on the connecting plate 3. At this time, the rubber sealing ring 5 provided on the outer periphery of the universal joint 6 is closely combined with the inner hole of the cylinder intubation tube 1 to ensure good sealing and prevent leakage of the suction pipe during use. gas.

Claims (3)

1. a rotor-type compressor air suction structure, is characterized in that, comprises cylinder intubate (1), cylindrical shell (2), connecting plate (3), connecting tube (4) and universal joint (6); Connecting plate (3) is fixed on cylindrical shell (2) by spot welding, and connecting plate (3) is provided with tapped hole (3-1) and through hole (3-2); In the through hole (3-2) that connecting tube (4) is placed on connecting plate (3) and Welding on cylindrical shell (2); Cylinder intubate (1) insertion connecting tube (4) is interior and higher than connecting tube (4), the part that cylinder intubate (1) exceeds connecting tube (4) is integral with connecting tube (4) Welding; Universal joint (6) inserts in cylinder intubate (1); The outer rim of universal joint (6) rear end is fixed with connecting plate (60), screw (7) is fixed through connecting plate (60) and tapped hole (3-1) screw thread on connecting plate (3), and universal joint (6) is fixed on connecting plate (3).

2. a kind of rotor-type compressor air suction structure according to claim 1, is characterized in that, the rubber seal (5) that universal joint (6) periphery is arranged and cylinder intubate (1) endoporus are combined closely.

3. a kind of rotor-type compressor air suction structure according to claim 1, is characterized in that, the top of cylinder intubate (1) is lower than the surface of connecting plate (3).