CN208281177U - A kind of compressor - Google Patents
A kind of compressor Download PDFInfo
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- CN208281177U CN208281177U CN201820885389.6U CN201820885389U CN208281177U CN 208281177 U CN208281177 U CN 208281177U CN 201820885389 U CN201820885389 U CN 201820885389U CN 208281177 U CN208281177 U CN 208281177U
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Abstract
The utility model relates to a kind of compressors, make the piston being eccentrically rotated, the crankshaft for driving piston operation, support crankshaft including cylinder, in cylinder and form the supporting element of closing accommodating space with cylinder and contacted with piston outer wall and closing accommodating space is divided into volume in the suction chamber of dynamic change and the sliding block of compression chamber, cylinder is equipped with air inlet and gas vent；Chamfering is equipped in the inner periphery and the outer periphery of piston；Supporting element is equipped with tonifying Qi hole, and tonifying Qi hole one end nearest apart from cylinder axis is most proximal end, and tonifying Qi hole one end farthest apart from cylinder axis is distalmost end, the distance R1 of the most proximal end in tonifying Qi hole to cylinder axis, the distance R of the distalmost end in tonifying Qi hole to cylinder axis2, R1And R2Meet: R1≥Ep/2+Es+C2；R2≤Dp‑Es‑C1；The position in tonifying Qi hole is designed at a distance from cylinder, piston according to the eccentricity of crankshaft and tonifying Qi hole, and then makes to can get enough air compensations in the compression chamber of cylinder, while also effectively preventing leakage problem, improves compressor performance.
Description
Technical field
The utility model relates to refrigerating/heating fields, more particularly to a kind of compressor.
Background technique
In refrigerating/heating circulation, compressor is a kind of device that low pressure refrigerant is promoted to high pressure refrigerant.Traditional rotation
The working principle of rotary compressor is that crankshaft rotation is directly driven by motor, and crankshaft drives eccentric piston in the pressure of cylinder again
The rotation of contracting chamber causes the variation of compression chamber volume, and then completes air-breathing-compression-exhaust process, to realize the pressure to refrigerant
Contracting.But traditional compressor is at low temperatures, the decaying of refrigerant low-temperature heating ability is serious, leads to compression mechanism thermal energy power
It is substantially reduced；And the pressure ratio compressed under cryogenic increases, and load increases, and delivery temperature increases, and causes compressor reliable
Property reduce.
For the performance for improving compressor, traditional compressor usually will increase gas supplementing opening, in compressor operation with
The mode of second vapor injection improves performance.Specifically, opening up a gas supplementing opening on the compressor；Gas supplementing opening connection compression chamber and outer
Boundary's refrigerant is connected to the gas supplementing opening periodically with compression chamber by the movement of piston cycle type, and then increases in compression chamber
Decrement improve compressor performance to increase internal circulating load.
However, compressor is at work, it is inadequate to be still easy to appear air compensation, the unconspicuous problem of performance boost；And
After tonifying Qi hole is set, the problem of leaking at piston inner diameter is readily occurred in, while the pressure that there is also compression chamber is excessive,
Cause refrigerant to backward flow into the problem of mending stomatal limiting value leakage, leverages compressor performance.
Utility model content
Based on this, the purpose of the utility model is to provide a kind of compressors, and having can get enough air compensations,
It can prevent from leaking at piston inner diameter simultaneously, and prevent refrigerant from backward flowing into and mend stomatal limiting value leakage, improve pressure
The advantages of contracting machine performance.
A kind of compressor makees the piston being eccentrically rotated, the crankshaft for driving piston operation, support including cylinder, in cylinder
Crankshaft simultaneously forms the supporting element in enclosed volume space with cylinder and contacts with piston outer wall and enclosed volume space is divided into appearance
Product is equipped with air inlet and gas vent in the suction chamber of dynamic change and the sliding block of compression chamber, the cylinder；The piston it is interior
Chamfering is equipped on week and periphery；The supporting element is equipped with tonifying Qi hole, tonifying Qi hole one end nearest apart from cylinder axis
For most proximal end, tonifying Qi hole one end farthest apart from the cylinder axis is distalmost end, the most proximal end in the tonifying Qi hole to gas
The distance R1 at cylinder center meets with the distalmost end in the tonifying Qi hole to cylinder axis distance R2:
R1≥Ep/2+Es+C2；
R2≤Dp-Es-C1；
Wherein, Ep is the internal diameter of piston；Es is the eccentricity of crankshaft；Dp is the outer diameter of piston；C1For on piston outer periphery
The radical length of chamfering；C2For the radical length of the chamfering in piston inner circumferential.
Compared with the prior art, the utility model is set at a distance from cylinder, piston according to the eccentricity and tonifying Qi hole of crankshaft
Count the position in tonifying Qi hole, and then make to can get enough air compensations in the compression chamber of cylinder, and compress cavity pressure it is larger when,
And in exhaust phase, tonifying Qi hole can be enable to be fully sealed by piston, be let out at piston inner diameter to both prevent
Leakage, and the leakage problem for preventing refrigerant to occur from the reverse flow of tonifying Qi hole, and then improve compressor performance.
Further, the shape in the tonifying Qi hole are as follows: using cylinder as the center of circle, with most proximal end at a distance from cylinder axis for half
The circle of diameter；Using cylinder as the center of circle, using distalmost end at a distance from cylinder axis as the circle of radius；Start when tonifying Qi where piston external diameter
Circle；Terminate circle when tonifying Qi where piston external diameter；One overlapping region of the overlapped formation of this four circles；The tonifying Qi hole setting
In the overlapping region, and at least there is a point phase mutual respect in each edge of the edge in the tonifying Qi hole and the overlapping region
It closes.
Further, the tonifying Qi hole is round hole, to facilitate processing, while facilitating the position in determining tonifying Qi hole.
Further, the tonifying Qi hole is non-circular hole, can increase tonifying Qi hole as needed by designing non-circular hole
Tonifying Qi area, and then increase air compensation.
Further, the tonifying Qi hole is slotted eye.The major axis radius R and minor axis radius r in the tonifying Qi hole meet:
1/3≤r/R<1。
Further, the tonifying Qi hole is arcuate socket；The side arc-shaped side of the arcuate socket with using the cylinder as the center of circle,
It is coincided using circle of the most proximal end at a distance from cylinder axis as radius；The other side arc-shaped side of the arcuate socket with the cylinder
It coincides for the center of circle, with circle of the distalmost end at a distance from cylinder axis.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of compressor；
Fig. 2 is the top view of cylinder；
Fig. 3 is the cross-sectional view of cylinder；
Fig. 4 is the structural schematic diagram of piston；
Fig. 5 is the shape and structure schematic diagram of tonifying Qi hole in one embodiment.
Specific embodiment
Please refer to Fig. 1 to Fig. 4, Fig. 1 is the structural schematic diagram of compressor；Fig. 2 is the top view of cylinder；Fig. 3 is gas
The cross-sectional view of cylinder；Fig. 4 is the structural schematic diagram of piston.The compressor makees the work being eccentrically rotated including cylinder 1, in cylinder
Plug 2, the crankshaft 3 for driving piston operation, support crankshaft and supporting element 4 and piston outer wall that enclosed volume space is formed with cylinder
It contacts and enclosed volume space is divided into volume in the suction chamber of dynamic change and the sliding block 5 of compression chamber and is connect with sliding block
Elastic component 6.Chamfering is equipped in the inner periphery and the outer periphery of the piston 2.The cylinder 1 is equipped with air inlet 11 and gas vent
12.The supporting element 4 is equipped with tonifying Qi hole 41.The positional distance in the tonifying Qi hole 41 according to 2 size of piston and tonifying Qi hole 41 with
The distance at 1 center of cylinder is arranged, and then piston 2 is made to realize 41 tonifying Qi of tonifying Qi hole in expiratory phase, to obtain enough air compensations,
In compression and exhaust phase, tonifying Qi hole 41 can be blocked completely by piston 2, to prevent from leaking at piston inner diameter, into
And compressor performance is improved, specifically, the tonifying Qi hole 41 one end nearest apart from 1 center of cylinder is most proximal end, the benefit
The one end farthest apart from 1 center of cylinder of stomata 41 is distalmost end, then the most proximal end in the tonifying Qi hole 41 to 1 center of cylinder
Distance R1 meets with the distalmost end in the tonifying Qi hole 41 to 1 center distance R2 of cylinder:
R1≥Ep/2+Es+C2；
R2≤Dp-Es-C1；
Wherein, Ep is the internal diameter of piston；Es is the eccentricity of crankshaft；Dp is the outer diameter of piston；C1For on piston outer periphery
The radical length of chamfering；C2For the radical length of the chamfering in piston inner circumferential.
Referring to Fig. 5, it is the shape and structure schematic diagram of tonifying Qi hole in one embodiment.In one embodiment, institute
State the shape in tonifying Qi hole are as follows: using cylinder as the center of circle, using most proximal end with cylinder axis distance R1 as the circle D1 of radius；It is with cylinder
The center of circle, using distalmost end with cylinder axis distance R2 as the circle D2 of radius；Start circle D3 when tonifying Qi where piston external diameter；Terminate
Circle D4 when tonifying Qi where piston external diameter；One overlapping region of the overlapped formation of this four circles；The tonifying Qi hole is arranged described
In overlapping region, and at least there is a point and overlap in each edge of the edge in the tonifying Qi hole and the overlapping region.
For convenience of the position for processing and facilitating determining tonifying Qi hole, in one embodiment, the tonifying Qi hole is round hole.
For the tonifying Qi area for further increasing tonifying Qi hole, and then increase air compensation, tonifying Qi hole, which can according to need, to be designed as
The shapes such as non-circular hole.In one embodiment, the tonifying Qi hole is non-circular hole.
In one embodiment, the tonifying Qi hole 41 is made of half elliptic and semicircle；The short axle of the half elliptic
Radius is equal with the radius size of semicircle；Alternatively, the major axis radius of the half elliptic is equal with the radius size of semicircle.
In one embodiment, the tonifying Qi hole 41 is arcuate socket；The side arc-shaped side of the arcuate socket with the gas
Cylinder is the center of circle, is coincided with cylinder axis distance R1 as the circle of radius using most proximal end；The other side arc-shaped side of the arcuate socket
It coincides with using the cylinder as the center of circle, with the circle of distalmost end and cylinder axis distance R2.
In the present embodiment, the compressor is single cylinder compressor, and the supporting element 4 includes being separately positioned on about 1 cylinder
The upper bearing (metal) 42 and lower bearing 43 at both ends, are arranged the tonifying Qi hole 41 on upper bearing (metal) 42 or lower bearing 43.
In one embodiment, the compressor is duplex cylinder compressor, and the supporting element 4 includes being arranged in about 1 cylinder
The upper bearing (metal) and lower bearing at both ends and it is arranged between upper bearing (metal) and lower bearing and cylinder body is separated into two accommodating spaces
Intermediate bulkhead；The tonifying Qi hole 41 is set on the intermediate bulkhead, to be connected to described two accommodating spaces.To increase compression effect
Rate is respectively set by the same shaft-driven piston of song between each accommodating space, makes refrigerant in any accommodating
Go out in space through overcompression heel row.
Compared with the prior art, the utility model is set at a distance from cylinder, piston according to the eccentricity and tonifying Qi hole of crankshaft
Count the position in tonifying Qi hole, and then make to can get enough air compensations in the compression chamber of cylinder, and compress cavity pressure it is larger when,
And in exhaust phase, tonifying Qi hole can be enable to be fully sealed by piston, be let out at piston inner diameter to both prevent
Leakage, and the leakage problem for preventing refrigerant to occur from the reverse flow of tonifying Qi hole, and then improve compressor performance.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (9)
1. a kind of compressor makees the piston being eccentrically rotated, the crankshaft for driving piston operation, support song including cylinder, in cylinder
Axis simultaneously forms the supporting element of closing accommodating space with cylinder and contacts with piston outer wall and closing accommodating space is divided into volume
In the suction chamber of dynamic change and the sliding block of compression chamber；The cylinder is equipped with air inlet and gas vent；The inner circumferential of the piston
With chamfering is equipped on periphery；The supporting element be equipped with tonifying Qi hole, it is characterised in that: the tonifying Qi hole apart from cylinder axis most
Close one end is most proximal end, and tonifying Qi hole one end farthest apart from the cylinder axis is distalmost end, and the tonifying Qi hole is most
Distance R of the proximal end to cylinder axis1, with the distalmost end in the tonifying Qi hole to cylinder axis distance R2Meet:
R1≥Ep/2+Es+C2；
R2≤Dp-Es-C1；
Wherein, Ep is the internal diameter of piston；Es is the eccentricity of crankshaft；Dp is the outer diameter of piston；C1For the chamfering on piston outer periphery
Radical length；C2For the radical length of the chamfering in piston inner circumferential.
2. compressor according to claim 1, it is characterised in that: the shape in the tonifying Qi hole and position meet: with cylinder
Center is the center of circle, using the distance of tonifying Qi hole most proximal end to cylinder axis as the circle of radius；Using cylinder axis as the center of circle, with tonifying Qi hole
The distance of distalmost end to cylinder axis is the circle of radius；Start circle when tonifying Qi where piston external diameter；Terminate when tonifying Qi outside piston
Circle where diameter；One overlapping region of the overlapped formation of this four circles；The tonifying Qi hole is arranged in the overlapping region, and institute
At least there is a point respectively and overlap in each edge of the edge for stating tonifying Qi hole and the overlapping region.
3. compressor according to claim 1, it is characterised in that: the tonifying Qi hole is round hole.
4. compressor according to claim 1, it is characterised in that: the tonifying Qi hole is non-circular hole.
5. compressor according to claim 4, it is characterised in that: the tonifying Qi hole is slotted eye；The tonifying Qi hole
Major axis radius R and minor axis radius r meets:
1/3≤r/R<1。
6. compressor according to claim 1, it is characterised in that: the tonifying Qi hole is made of half elliptic and semicircle；
The minor axis radius of the half elliptic and the radius size of semicircle are equal；Alternatively, the major axis radius of the half elliptic with
The radius size of semicircle is equal.
7. compressor according to claim 1, it is characterised in that: the tonifying Qi hole is arcuate socket；The one of the arcuate socket
Side arc-shaped side with using the cylinder as the center of circle, to coincide at a distance from most proximal end and cylinder axis for the circle of radius；The arc
The other side arc-shaped side in hole coincides with using the cylinder as the center of circle, with the circle at a distance from distalmost end and cylinder axis.
8. compressor according to claim 1, it is characterised in that: the supporting element includes being separately positioned on cylinder or more two
The tonifying Qi hole is arranged in the upper bearing (metal) and lower bearing at end on the upper bearing (metal) or lower bearing.
9. compressor according to claim 1, it is characterised in that: the supporting element includes that cylinder upper and lower ends are arranged in
Upper bearing (metal) and lower bearing and the middle interval for being arranged between upper bearing (metal) and lower bearing and be separated into cylinder body two accommodating spaces
Plate；The tonifying Qi hole is set on the intermediate bulkhead, to be connected to described two accommodating spaces；And between each accommodating space
It is respectively provided with by the same shaft-driven piston of song, arranges refrigerant again after overcompression in any accommodating space
Out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885389.6U CN208281177U (en) | 2018-06-07 | 2018-06-07 | A kind of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885389.6U CN208281177U (en) | 2018-06-07 | 2018-06-07 | A kind of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208281177U true CN208281177U (en) | 2018-12-25 |
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ID=64698491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820885389.6U Active CN208281177U (en) | 2018-06-07 | 2018-06-07 | A kind of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208281177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576514A (en) * | 2020-11-30 | 2021-03-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and air conditioner with same |
-
2018
- 2018-06-07 CN CN201820885389.6U patent/CN208281177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576514A (en) * | 2020-11-30 | 2021-03-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and air conditioner with same |
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