CN202266433U - Compressor for increasing cylinder volumetric efficiency - Google Patents
Compressor for increasing cylinder volumetric efficiency Download PDFInfo
- Publication number
- CN202266433U CN202266433U CN2011203245303U CN201120324530U CN202266433U CN 202266433 U CN202266433 U CN 202266433U CN 2011203245303 U CN2011203245303 U CN 2011203245303U CN 201120324530 U CN201120324530 U CN 201120324530U CN 202266433 U CN202266433 U CN 202266433U
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- cylinder
- compressor
- compression roller
- eccentric compression
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Abstract
A compressor for increasing cylinder volumetric efficiency comprises a motor, a cylinder body assembly, and an eccentric compression roller; the cylinder body assembly comprises a cylinder, and an upper flange and a lower flange covered at two ends of the cylinder; the upper and the lower flange are respectively equipped with an upper silencer and a lower silencer; a crankshaft of the motor is equipped with the eccentric compression roller; a slide plate is mounted in the cylinder; when the compressor is a double-cylinder compressor, the cylinder body assembly also comprises a clapboard disposed between two eccentric compression rollers of the two cylinders; an air inlet communicated with a cylinder working chamber is disposed on the side wall of one of the upper flange, the lower flange, or the clapboard of the double-cylinder compressor; the side end surface of the rotating eccentric compression roller is engaged with the air inlet, and can close the channel between the air inlet and the cylinder working chamber; the air inlet is a semi-crescent closed largest air inflow region formed by vertical projection of the slide plate center line, and rotation trajectories of a high point of an excircle where the eccentric compression roller is against the slide plate center line, and a high point of an inner hole on the upper flange, or the lower flange, or the clapboard wall.
Description
[technical field]
The utility model relates to technical field of refrigeration compressors, relates in particular to a kind of compressor that improves volume of cylinder efficient.
[background technique]
Present existing compressor, particularly rotary air condition compressor, as shown in the figure 1; This compressor comprises cylinder 1, flange, eccentric compression roller 3, bent axle 4 and slide plate 5; Its air suction structure generally is to give cylinder working chamber 1b air feed through the inlet hole 1a on the cylinder 1, mainly is to rely on eccentric compression roller top side arc surface 3a to close passage between inlet hole 1a and the compression chamber 1c, therefore after the cylinder exhaust is accomplished; Be that the high point of eccentric compression roller 3b is when slide plate 5 groove center 5a overlap; Before closing the passage of inlet hole 1a and compression chamber to eccentric compression roller 3, the volume of cylinder zone 1d that inlet hole 1a closes on will have air-breathing refluence phenomenon, make volume of cylinder zone 1d not be fully utilized; Cause volume of cylinder efficient lower, influence compressor performance.
[model utility content]
The utility model provides a kind of pressurized gas of avoiding to flow backwards, reduce air-breathing pulsation, improves the compressor of volumetric efficiency.
For realizing the purpose of the utility model, the technological scheme of employing is following:
A kind of compressor that improves volume of cylinder efficient comprises motor, housing assembly and eccentric compression roller, and housing assembly comprises that cylinder and lid are located at the upper flange at cylinder two ends, lower flange, are respectively fitted with baffler and bottom silencer on the upper and lower flange; The crankshaft installed of motor has the eccentric compression roller of in cylinder, rotating, and the slide plate that cooperates with eccentric compression roller is installed in the cylinder, and housing assembly also comprised the dividing plate that is arranged between the two eccentric compression roller of two cylinders when said compressor was duplex cylinder compressor; Offer the inlet hole that is communicated with cylinder working chamber on the sidewall of the dividing plate three's of said upper and lower flange or duplex cylinder compressor one of which, the side end face of the eccentric compression roller of rotation cooperates with inlet hole and can periodically close the passage between said inlet hole and the cylinder working chamber; Said inlet hole is that the high point of cylindrical of slide plate center line and eccentric compression roller and the conflict of slide plate center line top and the rotating locus line vertical projection of the high point of endoporus form the full admission district that half moon seals on upper flange or lower flange or partition wall.
Said compressor is a duplex cylinder compressor; The side-wall shaft of the upper and lower side of said dividing plate is to offering the half moon air inlet duct that is communicated with respectively with upper and lower cylinder and is equal to the full admission district respectively, dividing plate radially offer the input hole that is communicated with the half moon air inlet duct of its upper and lower side.
Said compressor is a single cylinder compressor, the half moon air inlet duct that axially the offering of the one of which of said upper flange or lower flange is communicated with cylinder and is equal to the full admission district, companion flange radially offer the input hole that is communicated with the half moon air inlet duct.
The advantage of the utility model:
The utility model utilizes in flange or dividing plate thread form in the first half of the month confined area of compresser cylinder end face and offers inlet hole, certainly, also can offer the full admission groove of half moon; Make the air inflow of inlet hole maximum; Inlet hole on the existing compresser cylinder of cancellation adopts the end face of eccentric compression roller to close the passage between inlet hole and the active chamber, solves the problem that there is air-breathing clearance volume in existing air-breathing method and structure; And thoroughly eliminated air-breathing clearance volume, improve volumetric efficiency; Solve existing air-breathing mode and close the untimely air-breathing pulsation problem that causes gas to flow backwards and cause, thereby improve compressor air suction efficient and indicated efficiency, improve compressor performance because of compression chamber.
[description of drawings]
Fig. 1 is the air suction structure of existing technology compressor;
Fig. 2 is the cylinder air suction structure embodiment's one of the utility model a sectional structure schematic representation;
Fig. 3 is the plan structure schematic representation at the cylinder air suction structure central diaphragm place of Fig. 2;
Fig. 4 is the cylinder air suction structure embodiment's two of the utility model a sectional structure schematic representation;
Fig. 5 is the plan structure schematic representation at upper flange place in the cylinder air suction structure of Fig. 4;
Fig. 6 is the cylinder air suction structure embodiment's three of the utility model a sectional structure schematic representation;
Fig. 7 is the plan structure schematic representation at lower flange place in the cylinder air suction structure of Fig. 6.
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
[embodiment]
Embodiment one
As shown in Figures 2 and 3; A kind of compressor that improves volume of cylinder efficient; Said compressor is a duplex cylinder compressor; This duplex cylinder compressor comprises motor 6 (bent axle that only shows motor among the figure), housing assembly 7 and eccentric compression roller 8; Housing assembly 7 comprises cylinder 70 (two cylinder), is arranged on the dividing plate 71 between the two eccentric compression roller of two cylinders and covers upper flange 72 and the lower flange 73 that is located at the cylinder two ends, is respectively fitted with the last baffler 74 and bottom silencer 75 that are mated on the upper and lower flange (72,73); The crankshaft installed of motor 6 has the eccentric compression roller 8 of in cylinder 70, rotating, and the slide plate 9 that cooperates with eccentric compression roller 8 is installed in the cylinder 70; Offer the inlet hole 10 that is communicated with cylinder 70 active chambers on the sidewall of said dividing plate 71, the side end face of the eccentric compression roller 8 of rotation cooperates with inlet hole 10 and can periodically close the passage between said inlet hole 10 and cylinder 70 active chambers; Said inlet hole 10 is that slide plate 9 center line 9c and eccentric compression roller 8 form the maximum area air inlet area that half moon seals with the high point of cylindrical of slide plate 9 center line tops conflict and rotating locus line (5d, the 5e) vertical projection of the high point of endoporus on dividing plate 71 walls, and the inlet hole of Any shape or number drops on and gets final product within this scope; Inlet hole 10 can be a crescent shape, also can be other shapes, can be one or more hole equally.
Continue as shown in Figures 2 and 3; In this instance; The side-wall shaft of dividing plate 71 upper and lower sides is to offering the half moon air inlet duct 710 that is communicated with respectively with upper and lower cylinder 70 and is equal to the full admission district respectively; Dividing plate 71 radially offer the input hole 711 that is communicated with the half moon air inlet duct 710 of its upper and lower side, make that the air inflow of inlet hole 10 is maximum, volumetric efficiency is the highest.During work; About the gas of compressor liquor separator gets into respectively through input hole on the dividing plate 71 711 and half moon air inlet duct 710 in the active chamber 1b; After the cylinder exhaust was accomplished, the end face of eccentric compression roller 8 can cover the half moon air inlet duct 710 of inlet hole 10, and air aspiration cavity and compression chamber are separated; Then gas is compressed; To open air-breathingly again along with motor 6 crankshaft rotating inlet holes 10, pressurized gas discharging will be closed inlet hole 10 after accomplishing again, the above work of repetition of turning around of every fortune.
Embodiment two
Like Fig. 4 and shown in Figure 5; Said compressor is a single cylinder compressor; This single cylinder compressor comprises motor 6 (bent axle that only shows motor among the figure), housing assembly 7 and eccentric compression roller 8; Housing assembly 7 comprises that cylinder 70 (single cylinder) and lid are located at the upper flange 72 and lower flange 73 at cylinder two ends, are respectively fitted with the last baffler 74 and bottom silencer 75 that are mated on the upper and lower flange (72,73); The crankshaft installed of motor 6 has the eccentric compression roller 8 of in cylinder 70, rotating, and the slide plate 9 that cooperates with eccentric compression roller 8 is installed in the cylinder 70; Offer on the sidewall of said upper flange 72 inlet hole 10 that is communicated with cylinder 70 active chambers ', the side end face of the eccentric compression roller 8 of rotation and inlet hole 10 ' cooperate and can periodically close said inlet hole 10 ' and cylinder 70 active chambers between passage; Said inlet hole 10 ' be that slide plate 9 center line 9c and eccentric compression roller 8 form the maximum area air inlet area that half moon seals with the high point of cylindrical of slide plate 9 center line tops conflict and rotating locus line (2d, the 2e) vertical projection of the high point of endoporus on upper flange 72 walls, the inlet hole of Any shape or number drops on and gets final product within this scope; Inlet hole 10 ' can be crescent shape, also can be other shapes, can be one or more hole equally.
Continue like Fig. 4 and shown in Figure 5; In this instance; Axially the offering of upper flange 72 be communicated with cylinder 70 and with the full admission district be equal to half moon air inlet duct 710 '; Companion flange radially offer with the input hole 711 of half moon air inlet duct 710 ' be communicated with ' make inlet hole 10 ' air inflow maximum, volumetric efficiency is the highest.During work; Input hole 711 on the gas process upper flange 72 of compressor liquor separator ' and half moon air inlet duct 710 ' get into respectively in the active chamber 1b; After the cylinder exhaust is accomplished, the end face of eccentric compression roller 8 can cover inlet hole 10 ' half moon air inlet duct 710, air aspiration cavity and compression chamber are separated; Then gas is compressed; Along with motor 6 crankshaft rotating inlet holes 10 ' will open again are air-breathing, will close again after the pressurized gas discharging is accomplished inlet hole 10 ', the above work of repetition of turning around of every fortune.
Embodiment three
Like Fig. 6 and shown in Figure 7; This embodiment and embodiment's two unique differences are; Offer the inlet hole 10 that is communicated with cylinder 70 active chambers on the sidewall of said lower flange 73 ", the passage between the side end face of the eccentric compression roller 8 of rotation and inlet hole 10 " cooperate and can periodically close said inlet hole 10 " and cylinder 70 active chambers; " be that slide plate 9 center line 9c and eccentric compression roller 8 form the maximum area air inlet area that half moon seals with the high point of cylindrical of slide plate 9 center line tops conflict and rotating locus line (7d, the 7e) vertical projection of the high point of endoporus on lower flange 73 walls, the inlet hole of Any shape or number drops on and gets final product within this scope said inlet hole 10; " can be crescent shape, also can be other shapes to inlet hole 10, can be one or more hole equally.In this instance; Axially the offering of lower flange 73 be communicated with cylinder 70 and with the full admission district be equal to the air inflow of half moon air inlet duct 710 "; radially offer and the half moon air inlet duct 710 " input hole 711 that is communicated with " of companion flange make inlet hole 10 " maximum, volumetric efficiency is the highest.
Certainly; The technical conceive of the utility model is not limited in above-mentioned case study on implementation; Can also obtain many different concrete schemes according to the design of the utility model; Doing conspicuous change according to the prompting of the foregoing description, and other every changes that do not break away from the utility model essence, all should be included within the described scope of claim.
Claims (3)
1. a compressor that improves volume of cylinder efficient comprises motor, housing assembly and eccentric compression roller, and housing assembly comprises that cylinder and lid are located at the upper flange at cylinder two ends, lower flange, are respectively fitted with baffler and bottom silencer on the upper and lower flange; The crankshaft installed of motor has the eccentric compression roller of in cylinder, rotating, and the slide plate that cooperates with eccentric compression roller is installed in the cylinder, and housing assembly also comprised the dividing plate that is arranged between the two eccentric compression roller of two cylinders when said compressor was duplex cylinder compressor; It is characterized in that:
Offer the inlet hole that is communicated with cylinder working chamber on the sidewall of the dividing plate three's of said upper and lower flange or duplex cylinder compressor one of which, the side end face of the eccentric compression roller of rotation cooperates with inlet hole and can periodically close the passage between said inlet hole and the cylinder working chamber;
Said inlet hole is that the high point of cylindrical of slide plate center line and eccentric compression roller and the conflict of slide plate center line top and the rotating locus line vertical projection of the high point of endoporus form the full admission district that half moon seals on upper flange or lower flange or partition wall.
2. a kind of compressor that improves volume of cylinder efficient according to claim 1; It is characterized in that; Said compressor is a duplex cylinder compressor; The side-wall shaft of the upper and lower side of said dividing plate is to offering the half moon air inlet duct that is communicated with respectively with upper and lower cylinder and is equal to the full admission district respectively, dividing plate radially offer the input hole that is communicated with the half moon air inlet duct of its upper and lower side.
3. a kind of compressor that improves volume of cylinder efficient according to claim 1; It is characterized in that; Said compressor is a single cylinder compressor; The half moon air inlet duct that axially the offering of the one of which of said upper flange or lower flange is communicated with cylinder and is equal to the full admission district, companion flange radially offer the input hole that is communicated with the half moon air inlet duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203245303U CN202266433U (en) | 2011-08-31 | 2011-08-31 | Compressor for increasing cylinder volumetric efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203245303U CN202266433U (en) | 2011-08-31 | 2011-08-31 | Compressor for increasing cylinder volumetric efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202266433U true CN202266433U (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203245303U Expired - Lifetime CN202266433U (en) | 2011-08-31 | 2011-08-31 | Compressor for increasing cylinder volumetric efficiency |
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| Country | Link |
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| CN (1) | CN202266433U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338089A (en) * | 2011-08-31 | 2012-02-01 | 珠海格力电器股份有限公司 | Compressor for increasing volumetric efficiency of cylinder |
| CN103696963A (en) * | 2013-12-20 | 2014-04-02 | 广东美芝制冷设备有限公司 | Double-cylinder rotary type compressor component and compression device thereof |
| CN110439817A (en) * | 2019-09-12 | 2019-11-12 | 珠海凌达压缩机有限公司 | A kind of cylinder, pump assembly and compressor suitable for compressor |
-
2011
- 2011-08-31 CN CN2011203245303U patent/CN202266433U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338089A (en) * | 2011-08-31 | 2012-02-01 | 珠海格力电器股份有限公司 | Compressor for increasing volumetric efficiency of cylinder |
| CN103696963A (en) * | 2013-12-20 | 2014-04-02 | 广东美芝制冷设备有限公司 | Double-cylinder rotary type compressor component and compression device thereof |
| CN103696963B (en) * | 2013-12-20 | 2016-02-17 | 广东美芝制冷设备有限公司 | Double-cylinder rotary type compressor component and compression set thereof |
| CN110439817A (en) * | 2019-09-12 | 2019-11-12 | 珠海凌达压缩机有限公司 | A kind of cylinder, pump assembly and compressor suitable for 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: 20120606 |
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| CX01 | Expiry of patent term |