CN201902335U - Exhaust structure used for middle plate of double-cylinder rotating type compressor - Google Patents
Exhaust structure used for middle plate of double-cylinder rotating type compressor Download PDFInfo
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- CN201902335U CN201902335U CN2010206688690U CN201020668869U CN201902335U CN 201902335 U CN201902335 U CN 201902335U CN 2010206688690 U CN2010206688690 U CN 2010206688690U CN 201020668869 U CN201020668869 U CN 201020668869U CN 201902335 U CN201902335 U CN 201902335U
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- exhaust
- intermediate plate
- valve seat
- middle plate
- delivery valve
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Abstract
The utility model relates to an exhaust structure used for a middle plate of a double-cylinder rotating type compressor. The middle plate is formed by vertically superimposing an upper intermediate plate and a lower intermediate plate; the exhaust structure used for the middle plate comprises an upper exhaust valve seat, a ring-shaped groove and a lower exhaust valve, wherein the upper exhaust valve seat is arranged on the bottom surface of the middle plate and connected with an upper air cylinder cavity, and an exhaust hole communicated with the upper air cylinder cavity is formed at one end of the upper exhaust valve seat; the ring-shaped groove is formed on the top surface of the lower middle plate and communicated with an exhaust through hole; and the lower exhaust valve seat is arranged on the ring-shaped groove surface and connected with the lower air cylinder cavity, and an exhaust hole communicated with the lower air cylinder cavity is formed at one end of the lower exhaust valve seat. By the adoption of the middle plate exhaust structure, the double exhaust mode of the original upper and lower cylinder covers of a double-cylinder rotary compressor is changed into four exhaust mode, the loss of excessive compression of the compressor during exhaust is effectively reduced, and the performance of the compressor is improved.
Description
Technical field
The utility model relates to compressor field, relates in particular to a kind of exhaust structure that is used for the twin-tub rotation-type compressor intermediate plate.
Background technique
Extremely shown in Figure 6 as Fig. 1, conventional twin-tub rotation-type compressor comprises upper cylinder cover 1, upper cylinder 2, intermediate plate 5, lower cylinder 3 and following cylinder cap 4, wherein, upper cylinder cover 1 end face is provided with three exhaust holes 11 and delivery valve seat 12, upper cylinder 2 end faces are provided with three exhaust holes 21, intermediate plate 5 end faces are provided with three exhaust holes 51, lower cylinder 3 end faces are provided with three exhaust holes 31, and following cylinder cap 4 end faces are provided with three exhaust holes 41 and the bottom surface is provided with a delivery valve seat 42, upper cylinder cover 1, upper cylinder 2, intermediate plate 5, exhaust passage on lower cylinder 3 and the following cylinder cap 4 is corresponding one by one to be communicated with, and forms three exhaust passages thus.During work, upper cylinder 2 refrigerant exhausts enter in the compressor housing cavity by upper cylinder cover 1 delivery valve seat 12; Lower cylinder 3 refrigerant exhausts are passed through cylinder cap 4 down again by from cylinder cap 4 delivery valve seats 42 discharges down, lower cylinder 3, and intermediate plate 5, upper cylinder 2, the exhaust passage that the exhaust hole 41,31,51,21,11 on the upper cylinder cover 1 forms enters in the compressor housing cavity.
The twin-tub rolling rotor type compressor mainly adopts the above-mentioned exhaust of cylinder cap up and down form, but along with compressor displacement increases, exhaust overcompression loss is big, influences the indicated efficiency and the complete machine performance of compressor.
Therefore, how effectively to reduce the overcompression loss of compressor when exhaust and become one of direction of those skilled in the art's research and development.
Summary of the invention
The purpose of this utility model provides a kind of exhaust structure that is used for the twin-tub rotation-type compressor intermediate plate exactly in order to address the above problem, can effectively reduce the overcompression loss of compressor when exhaust.
The purpose of this utility model is achieved in that a kind of exhaust structure that is used for the twin-tub rotation-type compressor intermediate plate, described intermediate plate places between upper cylinder and the lower cylinder, the center of described upper and lower air cylinders axially all has cavity, punishment is furnished with the plurality of rows vent hole to described intermediate plate end face near excircle, described intermediate plate is formed by stacking up and down by upper mid plate and following intermediate plate, and described intermediate plate exhaust structure comprises:
Be located at the bottom surface of described upper mid plate and the last delivery valve seat that joins with described upper cylinder cavity, end of delivery valve seat is provided with the exhaust port that communicates with described upper cylinder cavity on this;
The annular groove of being located at down the intermediate plate end face and being communicated with described exhaust hole;
And the following delivery valve seat of being located on the described annular groove groove face and joining with the lower cylinder cavity, an end of this time delivery valve seat is provided with the exhaust port that communicates with described lower cylinder cavity.
Above-mentioned a kind of exhaust structure that is used for the twin-tub rotation-type compressor intermediate plate, wherein, the thickness of described intermediate plate down is greater than the thickness of described upper mid plate.
The utility model intermediate plate exhaust structure makes the original cylinder cap 2 exhaust forms up and down of twin-tub rotation-type compressor become 4 exhaust forms, thereby has effectively reduced the overcompression loss of compressor when exhaust, has improved compressor performance.
Description of drawings
Fig. 1 is the sectional view of conventional twin-tub rotation-type compressor;
Fig. 2 is the structural representation of cylinder cap conventionally;
Fig. 3 is the structural representation of cylinder conventionally;
Fig. 4 is the structural representation of conventional intermediate plate;
Fig. 5 is the structural representation of conventional lower cylinder;
Fig. 6 is the conventional structural representation of cylinder cap down;
Fig. 7 is a structural representation of the present utility model;
Fig. 8 is the structural representation of upper mid plate;
Fig. 9 is the sectional drawing of Fig. 8 along the X-X direction;
Figure 10 is the sectional drawing of Fig. 8 along the A-A direction;
Figure 11 is the structural representation of following intermediate plate;
Figure 12 is the sectional drawing of Figure 11 along the Y-Y direction;
Figure 13 is the sectional drawing of Figure 11 along the B-B direction;
Figure 14 is the structural representation that the utility model intermediate plate is axially oppositely placed.
Embodiment
Referring to Fig. 7 to Figure 13, the utility model intermediate plate 5 places between upper cylinder 2 and the lower cylinder 3, the center of upper and lower air cylinders 2,3 axially all has cavity, intermediate plate 5 is formed by stacking up and down by upper mid plate 6 and following intermediate plate 7, the end face of upper mid plate 6 is provided with 3 exhaust holes 61 near the excircle place, its bottom surface is provided with the last delivery valve seat 62 that joins with upper cylinder 2 cavitys, and end of delivery valve seat 62 is provided with the exhaust port 63 that communicates with upper cylinder 2 cavitys on this; The end face of following intermediate plate 7 is provided with 3 exhaust holes 71 near the excircle place, the corresponding one by one connection of 3 exhaust holes 61 of these 3 exhaust holes 71 and upper mid plate 6, form 3 exhaust passages respectively, the end face of following intermediate plate 7 also is provided with the annular groove 73 that is communicated with exhaust hole 71, the groove face of this annular groove 73 is provided with the following delivery valve seat 72 that joins with lower cylinder 3 cavitys, one end of this time delivery valve seat 72 is provided with the exhaust port 74 that communicates with lower cylinder 3 cavitys, and the last delivery valve seat 62 of upper mid plate 6 and following delivery valve seat 72 upper-lower positions of following intermediate plate 7 are corresponding mutually.Wherein, the thickness of following intermediate plate 7 is greater than the thickness of upper mid plate 6.
When upper mid plate 6 superposeed formation intermediate plates 5 with following intermediate plate 7, the annular groove 73 of following intermediate plate 7 and the bottom surface of upper mid plate 6 formed and are communicated with upward exhaust port 63, the exhaust port 74 of following delivery valve seat 72 and the closed inner chamber of the exhaust hole 71 on the following intermediate plate 7 of delivery valve seat 62.
During work, refrigerant exhaust in upper cylinder 2 cavitys enters in the compressor housing cavity by upper cylinder cover 1 delivery valve seat 12, and last delivery valve seat 62 that also can be by upper mid plate 6 enters in the compressor housing cavity through annular groove 73 and exhaust hole 71 and exhaust hole 61; Refrigerant exhaust in lower cylinder 3 cavitys enters in the compressor housing cavity by the exhaust passage on down cylinder cap 4, lower cylinder 3, intermediate plate 5, upper cylinder 2, the upper cylinder cover 1, and following delivery valve seat 72 that also can be by intermediate plate 7 down enters in the compressor housing cavity through annular groove 73 and exhaust hole 71 and exhaust hole 61.Make the original cylinder cap 2 exhaust forms up and down of twin-tub rotation-type compressor become 4 exhaust forms, effectively reduced the overcompression loss of compressor when exhaust, improved compressor performance.
As shown in figure 14, intermediate plate 5 of the present utility model also can axially oppositely be placed, and promptly descends intermediate plate 7 to place top, and upper mid plate 6 places its below.Wherein, the following delivery valve seat 72 on the following intermediate plate 7 joins with upper cylinder 2 cavitys, and the exhaust port 74 on it communicates with upper cylinder 2 cavitys; Last delivery valve seat 62 on the upper mid plate 6 joins with lower cylinder 3 cavitys, and the exhaust port 63 on it communicates with lower cylinder 3 cavitys.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technological schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (3)
1. exhaust structure that is used for the twin-tub rotation-type compressor intermediate plate, described intermediate plate places between upper cylinder and the lower cylinder, the center of described upper and lower air cylinders axially all has cavity, punishment is furnished with the plurality of rows vent hole to described intermediate plate end face near excircle, it is characterized in that, described intermediate plate comprises intermediate plate and the upper mid plate that is superimposed on this time intermediate plate down, and described intermediate plate exhaust structure comprises:
Be located at the bottom surface of described upper mid plate and the last delivery valve seat that joins with described upper cylinder cavity, end of delivery valve seat is provided with the exhaust port that communicates with described upper cylinder cavity on this;
The annular groove of being located at down the intermediate plate end face and being communicated with described exhaust hole;
And the following delivery valve seat of being located on the described annular groove groove face and joining with the lower cylinder cavity, an end of this time delivery valve seat is provided with the exhaust port that communicates with described lower cylinder cavity.
2. a kind of exhaust structure that is used for the twin-tub rotation-type compressor intermediate plate as claimed in claim 1 is characterized in that, the thickness of described intermediate plate down is greater than the thickness of described upper mid plate.
3. a kind of exhaust structure that is used for the twin-tub rotation-type compressor intermediate plate as claimed in claim 1 is characterized in that described intermediate plate also can axially oppositely be placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206688690U CN201902335U (en) | 2010-12-20 | 2010-12-20 | Exhaust structure used for middle plate of double-cylinder rotating type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206688690U CN201902335U (en) | 2010-12-20 | 2010-12-20 | Exhaust structure used for middle plate of double-cylinder rotating type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902335U true CN201902335U (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206688690U Expired - Lifetime CN201902335U (en) | 2010-12-20 | 2010-12-20 | Exhaust structure used for middle plate of double-cylinder rotating type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902335U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291620A (en) * | 2012-02-24 | 2013-09-11 | 广东美芝制冷设备有限公司 | Multi-air-cylinder rotary compressor as well as control method thereof |
| CN105485021A (en) * | 2016-01-25 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder compressor and air conditioner |
| CN107387414A (en) * | 2017-07-31 | 2017-11-24 | 广东美芝制冷设备有限公司 | Compression assembly and multi-cylinder rotary compressor |
-
2010
- 2010-12-20 CN CN2010206688690U patent/CN201902335U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291620A (en) * | 2012-02-24 | 2013-09-11 | 广东美芝制冷设备有限公司 | Multi-air-cylinder rotary compressor as well as control method thereof |
| CN105485021A (en) * | 2016-01-25 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder compressor and air conditioner |
| CN105485021B (en) * | 2016-01-25 | 2018-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Duplex cylinder compressor and air conditioner |
| CN107387414A (en) * | 2017-07-31 | 2017-11-24 | 广东美芝制冷设备有限公司 | Compression assembly and multi-cylinder rotary compressor |
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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: 20110720 |
|
| CX01 | Expiry of patent term |