CN203214336U - Noise reduction cover of compressor - Google Patents
Noise reduction cover of compressor Download PDFInfo
- Publication number
- CN203214336U CN203214336U CN 201320090390 CN201320090390U CN203214336U CN 203214336 U CN203214336 U CN 203214336U CN 201320090390 CN201320090390 CN 201320090390 CN 201320090390 U CN201320090390 U CN 201320090390U CN 203214336 U CN203214336 U CN 203214336U
- Authority
- CN
- China
- Prior art keywords
- silencer cover
- noise reduction
- compressor
- reduction cover
- cover body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The utility model discloses a noise reduction cover of a compressor. The noise reduction cover comprises a noise reduction cover main body and a side baffle peripherally arranged at the periphery of the noise reduction cover main body, wherein a shaft hole and an air outlet are formed in the noise reduction main body; the side baffle comprises a connection part and a folding edge; the connection part is bended upwards from the edge of the noise reduction cover main body; the folding edge and the connection part are connected and are horizontally and upwards bended. According to the noise reduction cover, in order to reduce the contact of a refrigerant and refrigerant oil during a running process of a system, the edges of the noise reduction cover main body are extended, the side baffle surrounding the noise reduction cover main body is arranged on the noise reduction cover main body, and a waist ring hole in an upper flange can be covered by the noise reduction cover, so that the refrigerant above the upper flange in a shell is separated from the refrigerant oil under the upper flange; and after the refrigerant and the refrigerant oil are separated, the refrigerant oil entering into the system can be reduced, so that the problem that the oil discharge rate is high caused by refrigerant circulation is reduced.
Description
Technical field
The utility model belongs to the Compressor Technology field, relates in particular to the silencer cover that uses in a kind of rotary compressor.
Background technique
Compressor generally includes enclosing housing, the compression pump housing, electric machine assembly, bent axle, gas-liquid separator, sucking pipe and outlet pipe.Stator and rotor are formed the electric machine assembly of compressor, and the compression pump housing comprises cylinder, upper flange, lower flange and is fixed on roller in the crankshaft eccentric portion.Rotor rotates in stator interior during work, and in cylinder, do off-centre by bent axle drive roller and roll, under the eccentric lift-over effect of roller, low pressure refrigerant is inhaled in the cylinder through sucking pipe to be compressed, surpass critical pressure until being compressed into pressure, just export in the heat-exchange system through outlet pipe.Store refrigeration oil at compressor enclosing housing inner bottom part, in the process of compressor operating, oil passageway in the refrigeration oil process bent axle and the oilhole that communicates with oil passageway can arrive the position of each component in the compressor, to reach the purpose of lubricating component, unnecessary refrigeration oil is discharged from the oil passageway upper end, and the enclosing housing bottom that falls back.
In order to reduce the welding stress that upper flange produces in the compressor when welding, reduce welding stress by processing several girdle ring holes at upper flange in the prior art, thereby reduce the distortion of upper flange, can save material simultaneously.But find through overtesting, air-conditioning system is when operation, the refrigerant of upper flange top can mix with the refrigeration oil of enclosing housing bottom in the enclosing housing, in the process that refrigerant circulates, can take the refrigeration oil of a part out of compressor, thereby increase the oil content of air-conditioning system, when the oil content of compressor was higher, the efficiency of air-conditioning system will reduce, so if can reduce the oil content of compressor, will the efficiency that improve air-conditioning system be very helpful.And the size of oil drain quantity can directly influence the performance of compressor, and compressor can can't long-play because of the oil return difficulty.Under this external specific operating mode, have liquid refrigerants and flow out from bloop, enter in the refrigeration oil of housing lower end by flange girdle ring hole, fuel sucking pipe will cause liquid hammer when sucking liquid refrigerants, and the pump housing is caused damage, reduces the reliability of compressor.
The model utility content
The purpose of this utility model provides a kind of novel compressor silencer cover, can reduce contacting of refrigerant and refrigeration oil, thereby takes refrigeration oil out of when avoiding refrigerant to flow from compressor, reduces system's oil content.
To achieve these goals, the utility model is taked following technical solution:
The compressor silencer cover comprises: silencer cover body and be located in lateral retaining plate around the described silencer cover body, and described silencer cover body is provided with axis hole and exhaust port; Described lateral retaining plate comprises joint and flanging, and described joint is from the upwards bending of edge of described silencer cover body, and described flanging links to each other with described joint and level outwards bends.
Preferably, described lateral retaining plate is L shaped.
Preferably, the angle between described joint and the described silencer cover body is slightly larger than 90 degree, and the angle between described flanging and the described joint is slightly larger than 90 degree.
Preferably, described silencer cover body is provided with spill port.
Preferably, the punching press that makes progress from the bottom surface of described silencer cover body of described spill port, the sense of rotation the when opening direction of the spill port that punching press forms is worked with compressor crank shaft is identical.
Preferably, described spill port evenly arranges at interval along circumference.
By above technological scheme as can be known, refrigerant and refrigeration oil contacted when the utility model moved for the minimizing system, the silencer cover body is expanded the limit and around the silencer cover body edges lateral retaining plate is set, silencer cover can cover the girdle ring hole on the upper flange, the refrigerant of upper flange top in the housing is separated with the refrigeration oil of below, after refrigerant and refrigeration oil are isolated, can reduce the refrigeration oil in the system of entering, thereby reduce the high problem of oil pump capacity that the refrigerant circulation causes, and can reduce in the refrigeration oil that liquid refrigerants enters the housing lower end, thereby can avoid occurring liquid hammer.
Description of drawings
Fig. 1 is an embodiment's of the utility model structural representation;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the sectional view along A-A line among Fig. 2;
Fig. 4 is assemblied in structural representation on the upper flange for the utility model.
Below in conjunction with accompanying drawing embodiment of the present utility model is done explanation in further detail.
Embodiment
As shown in Figure 1 to Figure 3, compressor silencer cover of the present utility model comprises discoidal silencer cover body 1 and is around in silencer cover body 1 lateral retaining plate 2 on every side.Be processed with axis hole 1a and several exhaust ports that voltage supply contracting machine crankshaft passes at the center of silencer cover body 1.The lateral retaining plate 2 of present embodiment is shaped in the edge of silencer cover body 1, and it is L shaped that lateral retaining plate 2 roughly is, and it comprises joint 2-1 and flanging 2-2.Joint 2-1 links to each other with silencer cover body 1, joint 2-1 bends obliquely from the edge of silencer cover body 1, angle between joint 2-1 and the silencer cover body 1 is slightly larger than 90 degree, flanging 2-2 links to each other with joint 2-1, flanging 2-2 level outwards bends, and the angle between flanging 2-2 and the joint 2-1 also is slightly larger than 90 degree.
With reference to Fig. 4, when the compressor silencer cover is assemblied on the upper flange 100, the size of the size of silencer cover body 1 and upper flange 100 flange inner regions adapts, silencer cover body 1 can hide upper flange 100 flanges with inner region, because lateral retaining plate 2 is upwards bendings from silencer cover body 1 edge, flanging 2-2 can cover on the flange of upper flange 100, compared with prior art, the utility model expands the compressor silencer cover limit and lateral retaining plate is set simultaneously, can make silencer cover form encapsulation lid preferably, the girdle ring hole of processing on upper flange 100 covered, the contact channels of refrigerant and refrigeration oil is closed, thereby refrigerant and refrigeration oil are isolated, reduce the area of contact of refrigerant and refrigeration oil, reduce the degree that mixes of refrigeration oil and refrigerant, avoid refrigeration oil in the refrigerant cyclic process, to be taken out of.
As an optimized technical scheme, present embodiment is pressed with spill port 1b in silencer cover body 1 upper punch, and spill port 1b is positioned at the outside of exhaust port place circumference, is provided with 4 spill port 1b in the present embodiment, and these 4 spill port 1b evenly arrange at interval along circumference.The spill port 1b punching press that makes progress from the bottom surface of silencer cover body 1, the sense of rotation the when opening direction of the spill port 1b that punching press forms is worked with compressor crank shaft is identical.When compressor operating, being arranged at epitrochanterian equilibrium block rotates with rotor, gas in the cavity between motor and the upper flange can form the air-flow identical with the rotor sense of rotation, when sense of rotation is identical when the spill port opening direction is worked with bent axle, can reduce gaseous coolant and oily contacting, thereby reduce oil content.
Above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although with reference to above-described embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that, still can make amendment or be equal to replacement embodiment of the present utility model, also can adopt other processing modes to make as spill port, its quantity can have different variations as required with concrete shape; Lateral retaining plate and silencer cover body can adopt integral forming process, also can be for being welded to connect.Therefore, do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the scope of technical solutions of the utility model.
Claims (6)
1. the compressor silencer cover is characterized in that, comprising:
Silencer cover body and be located in lateral retaining plate around the described silencer cover body, described silencer cover body is provided with axis hole and exhaust port; Described lateral retaining plate comprises joint and flanging, and described joint is from the upwards bending of edge of described silencer cover body, and described flanging links to each other with described joint and level outwards bends.
2. compressor silencer cover as claimed in claim 1, it is characterized in that: described lateral retaining plate is L shaped.
3. compressor silencer cover as claimed in claim 1 or 2 is characterized in that: the angle between described joint and the described silencer cover body is slightly larger than 90 degree, and the angle between described flanging and the described joint is slightly larger than 90 and spends.
4. compressor silencer cover as claimed in claim 1, it is characterized in that: described silencer cover body is provided with spill port.
5. compressor silencer cover as claimed in claim 4 is characterized in that: the punching press that makes progress from the bottom surface of described silencer cover body of described spill port, the sense of rotation the when opening direction of the spill port that punching press forms is worked with compressor crank shaft is identical.
6. as claim 4 or 5 described compressor silencer covers, it is characterized in that: described spill port evenly arranges at interval along circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090390 CN203214336U (en) | 2013-02-27 | 2013-02-27 | Noise reduction cover of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090390 CN203214336U (en) | 2013-02-27 | 2013-02-27 | Noise reduction cover of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214336U true CN203214336U (en) | 2013-09-25 |
Family
ID=49203880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320090390 Expired - Lifetime CN203214336U (en) | 2013-02-27 | 2013-02-27 | Noise reduction cover of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214336U (en) |
-
2013
- 2013-02-27 CN CN 201320090390 patent/CN203214336U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
|
| CX01 | Expiry of patent term |