CN202100463U - Single-cylinder double-vane rotary compressor - Google Patents
Single-cylinder double-vane rotary compressor Download PDFInfo
- Publication number
- CN202100463U CN202100463U CN2011201720139U CN201120172013U CN202100463U CN 202100463 U CN202100463 U CN 202100463U CN 2011201720139 U CN2011201720139 U CN 2011201720139U CN 201120172013 U CN201120172013 U CN 201120172013U CN 202100463 U CN202100463 U CN 202100463U
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- CN
- China
- Prior art keywords
- vane
- slide plate
- cylinder
- vane slot
- air cylinder
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Abstract
A single-cylinder double-vane rotary compressor comprises a motor assembly and a compression assembly both arranged in a housing, wherein, the compression assembly comprises a piston in an air cylinder; a first vane groove accommodating a first vane and a second vane groove accommodating a second vane are formed on the air cylinder; a first cutter-receding hole is formed at the back of the first vane groove, and a second cutter-receding hole is formed at the back of the second vane groove; an eccentric crankshaft drives the piston to perform eccentric rotation in the air cylinder and is used for supporting both of a main bearing and an assistant bearing of the eccentric crankshaft to be arranged on the two sides of the air cylinder; and when the back of the second vane is contacted with the inner wall of the second cutter-receding hole, the distance between the apex of the second vane and the inner circumference of the air cylinder is L, and L is greater than or equal to 0 and is less than or equal to 0.05mm. As the design scheme is adopted, when the single-cylinder double-vane rotary compressor is in a working state of a high capability mode, the second vane is fully accommodated in the second vane groove, the clearance volume is effectively reduced and the volume efficiency is improved.
Description
Technical field
The utility model relates to a kind of rotary compressor, the two slide plate rotary compressors of particularly a kind of single cylinder.
Background technique
In recent years, through the rotating speed of converter technique change rotary compressor, the method for the displacement variation of realization rotary compressor is more and more universal.But the method has increased the quantity of electronic component, has increased cost of production.
The research of twin-tub variable capacity rotation compressor is in the develop rapidly, and the twin-tub variable capacity rotation compressor is compared with the single cylinder rotary compressor, has the many and high shortcoming of fabricating cost of number of components and parts.And, because the twin-tub variable capacity rotation compressor has increased by a cover compression assembly, make frictional loss increase.
To this situation, the research of the two slide plate rotary compressors of single cylinder is advancing, still, when two slide plate rotary compressors of single cylinder during in the ability mode of operation, because have only the first slide plate work, so there is the clearance volume increase, problem such as volumetric efficiency is lower.
The model utility content
The purpose of the utility model aims to provide a kind of simple and reasonable, flexible operation, fabricating cost is low, clearance volume is little, and the two slide plate rotary compressors of the single cylinder that volumetric efficiency is high are to overcome deficiency of the prior art.
By the two slide plate rotary compressors of a kind of single cylinder of this purpose design; Comprise the electric machine assembly and the compression assembly that are arranged in the housing; Compression assembly comprises the piston that is arranged in the cylinder, and cylinder is provided with first vane slot that holds first slide plate, second vane slot that holds second slide plate, and the rear portion of first vane slot is provided with the first withdrawing hole; The rear portion of second vane slot is provided with the second withdrawing hole; The eccentric crankshaft driven plunger is made eccentric rotary in cylinder, be used to support the main bearing of eccentric crankshaft and the both sides that supplementary bearing is arranged on cylinder, and its structure characteristic is that the back of second slide plate is when contacting with the inwall in the second withdrawing hole; Spacing between the interior week of the tip of second slide plate and cylinder is L, and 0≤L≤0.05mm.
The utility model is through after adopting above-mentioned design proposal, and when the two slide plate rotary compressors of single cylinder were in the ability mode state, second slide plate was accommodated in second vane slot fully, can effectively reduce clearance volume, improves volumetric efficiency.
The utlity model has simple and reasonable, flexible operation, fabricating cost is low, clearance volume is little, the characteristics that volumetric efficiency is high.
Description of drawings
Fig. 1 is the utility model one embodiment's a broken section structural representation.
Fig. 2 is the structural representation of the utility model when 100% pattern is worked.
Fig. 3 is the structural representation of the utility model when 80% pattern is worked.
Fig. 4 be the utility model when 100% pattern is worked, the location diagram of second slide plate and cylinder.
Among the figure: 10 is housing, and 11 is cylinder, and 12 is piston, and 13.1 is first slide plate, and 13.2 is second slide plate, and 13.3 is first vane slot; 13.4 be second vane slot, 13.5 is the first withdrawing hole, 13.6 is the second withdrawing hole, and 13.7 is the first exhaust otch, and 13.8 is the second exhaust otch, and 13.9 is sliding blade spring; 14 is supplementary bearing, and 15 is main bearing, and 16 is eccentric crankshaft, and 17 is rotor, and 18 is stator; 19 for pressure switches pipe, and 20 is suction port, and 21 is sealing plate, and 22 is enclosed magnet, and 23 is sealing screw; 81 is air aspiration cavity, and 82 is compression chamber, and 83 is intermediate cavity, and 84 is the first slide plate chamber, and 85 is the second slide plate chamber.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Referring to Fig. 1-Fig. 2, the two slide plate rotary compressors of this single cylinder comprise the electric machine assembly and the compression assembly that are arranged in the housing 10, and electric machine assembly comprises stator 18 and rotor 17, and stator 18 is fixed on the inwall of housing 10, and rotor 17 is fixed on the eccentric crankshaft 16.Compression assembly comprises cylinder 11, eccentric crankshaft 16, is used to support the main bearing 15 and the supplementary bearing 14 of eccentric crankshaft 16, is provided with piston 12, first vane slot 13.3 and second vane slot 13.4 in the cylinder 11.
Along the sense of rotation of eccentric crankshaft 16, the angle between first vane slot 13.3 and second vane slot 13.4 is θ.The rear portion that the rear portion of first vane slot 13.3 is provided with the first withdrawing hole, 13.5, the second vane slots 13.4 is provided with the second withdrawing hole 13.6.Be provided with in first vane slot 13.3 in first slide plate 13.1 and sliding blade spring 13.9, the second vane slots 13.4 and be provided with second slide plate 13.2.
The second withdrawing hole 13.6 surrounds the second slide plate chamber 85 jointly with main bearing 15 and supplementary bearing 14.The first withdrawing hole 13.5 surrounds the first slide plate chamber 84 jointly with main bearing 15 and supplementary bearing 14.When the second slide plate chamber leads to high pressure, first slide plate and the second slide plate proper functioning, the two slide plate rotary compressors of single cylinder are the capabilities mode state; When the second slide plate chamber led to low pressure, second slide plate was accommodated in second vane slot, has only the first slide plate work, and compressor is the ability mode state.
Second vane slot 13.4 communicates with the second slide plate chamber 85, and the second slide plate chamber 85 is switched pipe 19 with pressure and communicated.Through switching the pressure in the second slide plate chamber 85, realize transfiguration.
The two slide plate rotary compressors of this single cylinder under the work of ability pattern, promptly under 100% pattern work, discharge capacity be V1.The two discharge capacities of slide plate rotary compressor under the work of capabilities pattern of single cylinder are V2, suppose V2=80%*V1 at present, and promptly the capabilities pattern is 80% pattern.Be example with 80% pattern and 100% pattern below, describe the design.
As shown in Figure 2, when pressure switching pipe 19 led to low pressure Ps, the second slide plate chamber, 85 pressure were high pressure P s, and second slide plate 13.2 is accommodated in second vane slot 13.4 fully.The first slide plate chamber, 84 pressure are high pressure P d always, and the periphery butt of the tip of first slide plate 13.1 and piston 12 is reciprocating in first vane slot 13.3.Therefore, cylinder 11, piston 12 and first slide plate 13.1 have been divided into air aspiration cavity 81 and compression chamber 82 totally two chambers to the active chamber of cylinder 11.Eccentric crankshaft 16 drives piston 12 and rotates, and is compressed into the pressurized gas that pressure is Pd to the low-pressure gas that is drawn into air aspiration cavity 81 from suction port 20, then these pressurized gas is discharged from the first exhaust otch 13.7 that is arranged on the cylinder 11.When eccentric crankshaft 16 drives the moment that pistons 12 turn over suction port 20 fully, this moment, compression chamber 82 volumes equaled V1.This working procedure is 100% pattern.
As shown in Figure 3; When pressure switching pipe 19 leads to high pressure P d; The second slide plate chamber, 85 pressure are high pressure P d, and the pressure in the first slide plate chamber 84 is high pressure P d always, under the effect of gas differential pressure power; The tip of first slide plate 13.1 and second slide plate 13.2 joins with the periphery of piston 12 respectively, and is reciprocating in first vane slot 13.3, second vane slot 13.4 respectively.Therefore, cylinder 11, piston 12, first slide plate 13.1 and second slide plate 13.2 have been divided into air aspiration cavity 81, compression chamber 82 and intermediate cavity 83 totally three chambers to the active chamber of cylinder 11.Eccentric crankshaft 16 drives piston 12 and rotates, and is compressed into the pressurized gas that pressure is Pd to the low-pressure gas that is drawn into air aspiration cavity 81 from suction port 20, then these pressurized gas is discharged from the second exhaust otch 13.8 that is arranged on the cylinder 11.When eccentric crankshaft 16 drives the moment that pistons 12 turn over suction port 20 fully, this moment, compression chamber 82 volumes equaled V2.This working procedure is 80% pattern.
As shown in Figure 4, the two slide plate rotary compressors of this single cylinder are when 100% pattern is worked, and second slide plate 13.2 is accommodated in second vane slot 13.4 fully.And; When the back of second slide plate 13.2 contacts with the inwall in the second withdrawing hole 13.6; Distance L between the interior week of the tip of second slide plate 13.2 and cylinder 11 satisfies relation 0≤L≤0.05mm; The position at the inwall place that is meant cylinder interior week here, this inwall does not comprise first vane slot and second vane slot and the first exhaust otch and the second exhaust otch that is arranged on the cylinder, only refers to the scope at the maximum inner diameter place of cylinder; Thereby the clearance volume in the time of can effectively reducing 100% pattern improves volumetric efficiency.
Claims (1)
1. two slide plate rotary compressors of a single cylinder; Comprise the electric machine assembly and the compression assembly that are arranged in the housing (10); Compression assembly comprises the piston (12) that is arranged in the cylinder (11); Cylinder (11) is provided with first vane slot (13.3) that holds first slide plate (13.1), second vane slot (13.4) that holds second slide plate (13.2), and the rear portion of first vane slot (13.3) is provided with the first withdrawing hole (13.5), and the rear portion of second vane slot (13.4) is provided with the second withdrawing hole (13.6); Eccentric crankshaft (16) driven plunger (12) is made eccentric rotary in cylinder (11); Be used to support the main bearing (15) of eccentric crankshaft (16) and the both sides that supplementary bearing (14) is arranged on cylinder (11), second vane slot (13.4) and pressure switch pipe (19) and communicate, when the back that it is characterized in that second slide plate (13.2) contacts with the inwall in the second withdrawing hole (13.6); Spacing between the interior week of the tip of second slide plate (13.2) and cylinder (11) is L, and 0≤L≤0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201720139U CN202100463U (en) | 2011-05-26 | 2011-05-26 | Single-cylinder double-vane rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201720139U CN202100463U (en) | 2011-05-26 | 2011-05-26 | Single-cylinder double-vane rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100463U true CN202100463U (en) | 2012-01-04 |
Family
ID=45386478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201720139U Expired - Fee Related CN202100463U (en) | 2011-05-26 | 2011-05-26 | Single-cylinder double-vane rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100463U (en) |
-
2011
- 2011-05-26 CN CN2011201720139U patent/CN202100463U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20190526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |