CN202108688U

CN202108688U - Exhaust anechoic room structure of crank case in refrigeration compressor

Info

Publication number: CN202108688U
Application number: CN2011201579441U
Authority: CN
Inventors: 张韦林; 陆龙泉; 姚辉军; 徐飞; 姜海东
Original assignee: Jiaxipera Compressor Co Ltd
Current assignee: Jiaxipera Compressor Co Ltd
Priority date: 2011-05-18
Filing date: 2011-05-18
Publication date: 2012-01-11
Anticipated expiration: 2021-05-18

Abstract

The utility model discloses an exhaust anechoic room structure of a crank case in a refrigeration compressor. The exhaust anechoic room structure comprises a cylinder hole, an inlet, a column-shaped anechoic room, a spacer, a cover plate, bolts, an exhaust pipe and a deformed anechoic room, wherein the column-shaped anechoic room, the spacer and the cover plate are fastened through the bolts to form a second cavity of an exhaust anechoic room; the exhaust pipe is arranged on the cover plate; the deformed anechoic room is formed through casting, so as to form a first cavity of the exhaust anechoic room; the inlet is communicated with the deformed anechoic room; and the deformed anechoic room is communicated with the column-shaped anechoic room through a throttling hole. The utility model has the advantages that the machining of the exhaust anechoic room can be effectively reduced, that is, the amount of parts, the cost and the deformation of the crank case are reduced; and the exhaust anechoic room with a reasonable shape can be formed, which improves de-noising, vibration isolating and flow loss reducing effects.

Description

Refrigeration compressor is with the exhausting silencer cell structure of crankcase

Technical field

The utility model relates to a kind of refrigeration compressor, and specifically refrigeration compressor is with the exhausting silencer cell structure of crankcase.

Background technique

The exhausting silencer cell structure of existing crankcase of cooler compressor is as shown in Figure 1, comprises cylinder-bore 1, inlet 2, anechoic room 1, pad 1, cover plate 1, screw 1, throttle orifice 7, anechoic room 28, pad two, cover plate 2 10, outlet pipe 11, screw 2 12.Anechoic room 1, pad 1, cover plate 1 rely on first exhausting silencer chamber cavity of fastening formation of screw 1; Anechoic room 28, pad 29, cover plate 2 10 rely on second exhausting silencer chamber of fastening formation cavity of screw 2 12; There is throttle orifice 7 to be communicated with between first exhausting silencer chamber cavity and second exhausting silencer chamber cavity; Cover plate 2 10 is provided with outlet pipe 11, is used to discharge the pressurized gas after the compression.The effect of this exhausting silencer cell structure is through two exhausting silencer chamber cavitys and a throttle orifice, can reduce noise and vibration that the high-pressure gas flow movable property is given birth to.But also there is following shortcoming in it simultaneously: 1, anechoic room 1, anechoic room 28 all need carry out machining, also need parts such as pad, cover plate, screw to form Seal cage, and number of spare parts is many, and cost is high; 2, in order to reduce the distortion of crankcase, reach seal request, need strict control screw moment of torsion during assembling, increased the technological requirement of assembling; 3, owing to anechoic room 1, anechoic room 28 are that machining forms, geometrical shape has restriction, generally all is cylindrical structure, does not reach the ideal designs requirement at aspect of performances such as noise reduction, vibration damping and minimizing flow losses.

Summary of the invention

The utility model technical problem to be solved is to propose the exhausting silencer cell structure of a kind of refrigeration compressor with crankcase, can effectively reduce the machining of exhausting silencer chamber, reduces number of spare parts, reduces cost, and reduces the distortion of crankcase; Can form simultaneously rational exhausting silencer chamber shape again, improve the effect of noise reduction, vibration damping and minimizing flow losses aspect.

For solving the problems of the technologies described above; The utility model refrigeration compressor comprises cylinder-bore, inlet, cylindricality anechoic room, pad, cover plate, screw, outlet pipe and special-shaped anechoic room with the exhausting silencer cell structure of crankcase; Said cylindricality anechoic room, pad and cover plate rely on second exhausting silencer chamber of fastening formation cavity of said screw; Said outlet pipe is located on the said cover plate; Said special-shaped anechoic room adopts casting to form first exhausting silencer chamber cavity, and said inlet is communicated with said special-shaped anechoic room, is communicated with through throttle orifice between said special-shaped anechoic room and said cylindricality anechoic room.

The utility model is owing to adopted above-mentioned technical pattern, and special-shaped anechoic room adopts casting, need not to carry out machining again; Need not use pad, cover plate and screw to seal yet; Not only reduce number of spare parts, reduced cost, and reduced the distortion of crankcase.Simultaneously, because, having reduced screw-driving away from crankcase cylinder hole, the cylindricality anechoic room produces the harmful effect of distortion to the crankcase performance.In addition,, broken through the restriction of geometrical shape, can obtain the required various structures of desirable optimal design, reached the purpose of noise reduction, vibration damping and minimizing flow losses because special-shaped anechoic room adopts casting.

Description of drawings

Fig. 1 is the schematic representation of the exhausting silencer cell structure of existing crankcase;

Fig. 2 hollows out schematic representation for the part of the exhausting silencer cell structure of the utility model crankcase.

Embodiment

As shown in Figure 2, the utility model refrigeration compressor comprises cylinder-bore 1, inlet 2, special-shaped anechoic room 13, throttle orifice 7, cylindricality anechoic room 8, pad 9, cover plate 10, outlet pipe 11 and screw 12 with the exhausting silencer cell structure of crankcase.Abnormity anechoic room 13 adopts casting, becomes first exhausting silencer chamber cavity.Cylindricality anechoic room 8, pad 9, cover plate 10 rely on second exhausting silencer chamber of fastening formation cavity of screw 11.Cylindricality anechoic room 8 has less radial dimension, and for reaching identical seal action, screw 12 required moments of torsion in exhausting silencer chamber will reduce.Have throttle orifice 7 to be communicated with between first exhausting silencer chamber cavity and second exhausting silencer chamber cavity, cover plate 10 is provided with outlet pipe 11, and the pressurized gas after the compression are discharged from outlet pipe 11 from the 2 entering exhausted by crankcase anechoic rooms that enter the mouth.

In the utility model structure, the shape of special-shaped anechoic room 13 is not limited by above-mentioned embodiment, can adopt other shape.

Claims

1. refrigeration compressor is with the exhausting silencer cell structure of crankcase; Comprise cylinder-bore, inlet, cylindricality anechoic room, pad, cover plate, screw and outlet pipe; Said cylindricality anechoic room, pad and cover plate rely on second exhausting silencer chamber of fastening formation cavity of said screw, and said outlet pipe is located on the said cover plate, it is characterized in that; It also includes special-shaped anechoic room; Said special-shaped anechoic room adopts casting to form first exhausting silencer chamber cavity, and said inlet is communicated with said special-shaped anechoic room, is communicated with through throttle orifice between said special-shaped anechoic room and said cylindricality anechoic room.