CN111287961B - Compressor and refrigeration equipment - Google Patents
Compressor and refrigeration equipment Download PDFInfo
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- CN111287961B CN111287961B CN201811505823.4A CN201811505823A CN111287961B CN 111287961 B CN111287961 B CN 111287961B CN 201811505823 A CN201811505823 A CN 201811505823A CN 111287961 B CN111287961 B CN 111287961B
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- compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/32—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members
- F04C18/324—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members with vanes hinged to the inner member and reciprocating with respect to the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a compressor and refrigeration equipment, wherein a cylinder cavity is arranged in a cylinder, a slide sheet groove is also arranged on the cylinder, and the slide sheet groove is communicated with the cylinder cavity; the piston is eccentrically and rotatably arranged in the cylinder cavity; the sliding sheet is arranged in the sliding sheet groove in a reciprocating motion manner, the sliding sheet and the piston define a first working cavity, the first working cavity is provided with a first air suction port and a first air exhaust port, the part of the sliding sheet groove, which is positioned at the tail end of the sliding sheet, forms a second working cavity, and the second working cavity is provided with a second air suction port and a second air exhaust port; wherein, the extension line of the motion trail of the slide sheet which makes reciprocating linear motion relative to the slide sheet groove does not pass through the center of the cylinder. The compressor provided by the invention can reduce the stress of the sliding vane head in the rotation direction of the body, prolong the service life of the sliding vane and enhance the reliability of the sliding vane in the use process.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a compressor and refrigeration equipment comprising the same.
Background
At present, a structure for compressing the rear side of a sliding vane exists in the compressor industry, the structure is that the tail end of a sliding vane groove is sealed, and the function of compressing gas is realized through the reciprocating motion of the sliding vane. The compression part in the prior art has a suction structure, a discharge structure, a sealing structure and the like.
Because the piston of this structure and gleitbretter looks butt, the gleitbretter head atress condition is complicated, and the vibration worsens in the compressor body direction of gyration.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, an aspect of the present invention is directed to a compressor.
Another aspect of the present invention is directed to a refrigerating apparatus including the above compressor.
To achieve the above object, an aspect of the present invention provides a compressor, including: the air cylinder is internally provided with an air cylinder cavity, and the air cylinder is also provided with a slide sheet groove which is communicated with the air cylinder cavity; the piston is eccentrically and rotatably arranged in the cylinder cavity; the sliding piece is arranged in the sliding piece groove in a reciprocating mode, the sliding piece and the piston define a first working cavity, the first working cavity is provided with a first air suction port and a first air exhaust port, the part, located at the tail end of the sliding piece, of the sliding piece groove forms a second working cavity, and the second working cavity is provided with a second air suction port and a second air exhaust port; wherein, the extension line of the motion trail of the slide sheet which makes reciprocating linear motion relative to the slide sheet groove does not pass through the center of the cylinder.
According to the compressor provided by the technical scheme, the piston can be arranged in the compression cavity in a rolling manner, the working medium is sucked from the first air suction port, the piston rolls along the inner wall of the air cylinder cavity to compress the working medium, and the compressed working medium is discharged from the first air discharge port.
In the second working chamber, the sliding sheet reciprocates relative to the sliding sheet groove under the drive of the piston, the second working chamber can perform periodic cycle work such as air suction, compression, exhaust and the like through the movement of the sliding sheet, specifically, a working medium is sucked from the second air suction port and compressed in the second working chamber, and is discharged from the second air outlet after the pressure reaches the exhaust pressure.
The extension line of the motion trail of the sliding sheet making reciprocating linear motion relative to the sliding sheet groove does not pass through the center of the cylinder, namely the distance X between the extension line of the motion trail of the sliding sheet making reciprocating linear motion relative to the sliding sheet groove and the center of the cylinder is not equal to 0, so that the stress of the head of the sliding sheet on the rotation direction of the body can be reduced, the service life of the sliding sheet is prolonged, the reliability of the sliding sheet in the use process is enhanced, and the condition of vibration deterioration in the rotation direction of the compressor body is prevented.
In addition, the compressor provided by the technical scheme of the invention also has the following additional technical characteristics:
in the above technical solution, preferably, the compressor further includes: the eccentric crankshaft is arranged in the cylinder cavity, and the piston is sleeved on an eccentric part of the eccentric crankshaft; the distance between the extension line of the motion track of the slide sheet which makes reciprocating linear motion relative to the slide sheet groove and the center of the air cylinder is X, 0< X < e, wherein e is the eccentric amount of the eccentric part.
The eccentric crankshaft is arranged on the cylinder in a penetrating mode and provided with an eccentric part located in the cylinder cavity, the piston is sleeved on the eccentric part, and the piston rolls relative to the cylinder cavity under the driving of the eccentric crankshaft. The eccentric crankshaft comprises a main shaft part, an eccentric part and an auxiliary shaft part which are sequentially arranged along the length direction of the eccentric crankshaft, and e is the eccentric amount of the axis of the eccentric part matched with the piston of the eccentric crankshaft, the axis of the main shaft part and the axis of the auxiliary shaft part. The crankshaft drives the piston to rotate, and the mechanism which drives the sliding sheet to do reciprocating linear motion relative to the sliding sheet groove through the piston forms an offset crank connecting rod sliding sheet mechanism.
In the above technical solution, preferably, the compressor further includes: the eccentric crankshaft is arranged in the cylinder cavity, and the piston is sleeved on an eccentric part of the eccentric crankshaft; the distance between the extension line of the motion trail of the slide sheet which makes reciprocating linear motion relative to the slide sheet groove and the center of the cylinder is X,
wherein L is an effective length of the slip sheet, and e is an eccentric amount of the eccentric portion.
Be equipped with the holding tank on the surface of piston, the gleitbretter includes gleitbretter main part and the cooperation portion of being connected with the gleitbretter main part, and the cooperation portion sets up the head at the gleitbretter, and the gleitbretter main part is located the gleitbretter inslot, and the cooperation position is located the holding tank and can rotate for the holding tank, realizes the articulated between gleitbretter and the piston. In order to realize the flexible rotation of the sliding vane relative to the piston, the outer surface of the matching part is arc-shaped or approximately arc-shaped (in the case of approximately arc-shaped, the arc-shaped surface can be provided with a groove).
L is the distance between the center of the mating portion and the end of the slide when
And in addition, the flying-out rate of the sliding sheet is low, and the effect of weakening the noise vibration of the compressor is good. After further experiments, when
When the flying rate of the sliding vane is less than 50%, the noise vibration of the compressor is obviously improved. The flying rate is the ratio of the maximum length of the sliding sheet extending out of the sliding sheet groove to the length of the sliding sheet.
In the above technical solution, preferably, an extension line of a motion trajectory of the slide plate reciprocating linearly with respect to the slide plate groove passes between the center of the cylinder and the first air intake port.
In order to avoid the interference of the first air suction port and the air valve assembly groove, the included angle between the first air suction port and the sliding sheet groove needs to be increased, so that the actual air suction volume of the compression mechanism is reduced, wherein the compressor comprises a shell and a compression mechanism positioned in the shell, and the compression mechanism comprises an air cylinder, an eccentric crankshaft, a sliding sheet and an air valve assembly. The air valve assembly groove is positioned at one end of the slide sheet groove far away from the piston, so that the problem of air suction volume reduction caused by the expansion of the included angle between the second air suction port and the slide sheet groove can be avoided.
In the above technical solution, preferably, the first intake port is provided in a radial direction of the cylinder.
In the above technical solution, preferably, the compressor further includes: the air valve assembly is arranged in the air valve assembly groove, the air valve assembly, the sliding sheet and the sliding sheet groove define the second working cavity together, and the second air suction port and the second air exhaust port are arranged on the air valve assembly.
The air valve assembly groove is arranged at one end, away from the piston, of the slide sheet groove. The air valve assembly comprises a valve plate, an air suction valve plate and an air discharge valve plate, the second air suction port and the second air discharge port are formed in the valve plate, the air suction valve plate is arranged on one side, close to the sliding piece, of the valve plate and used for opening and closing the second air suction port, and the air discharge valve plate is arranged on one side, deviated from the sliding piece, of the valve plate and used for opening and closing the second air discharge port.
In the above technical solution, preferably, the air valve assembly groove is disposed at an end of the slide groove away from the first working chamber, and is perpendicular to the slide groove.
The air valve assembly groove is perpendicular to the sliding sheet groove, when the extension line of the motion track of the sliding sheet doing reciprocating linear motion relative to the sliding sheet groove does not pass through the center of the air cylinder, the air valve assembly groove deflects to be far away from the first air suction port, the stress of the hinged head part of the sliding sheet on the rotation direction of the compressor body can be improved, the vibration can be improved, and the problem that the included angle of the first air suction port and the sliding sheet groove is enlarged to reduce the air suction volume can be avoided.
In the above technical solution, preferably, the head of the slide is hinged to the piston.
An aspect of a second aspect of the present invention provides a refrigeration apparatus comprising a compressor as described in any one of the aspects of the first aspect.
The refrigeration equipment provided by the technical scheme of the second aspect of the present invention includes the compressor described in any one of the technical schemes of the first aspect, so that all the beneficial effects of the compressor described in any one of the technical schemes are achieved, and details are not repeated herein.
In the description of the present invention, it should be noted that the "refrigeration equipment" mentioned in the present invention may include any device capable of refrigerating to which the technical solution of the present invention can be applied, including, but not limited to, a refrigerator, an air conditioner or a central air conditioner.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a structure of a compressor in the related art;
FIG. 2 is a schematic view illustrating a reciprocating linear motion of a vane with respect to a vane slot in the related art.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
1 'cylinder, 2' slide sheet.
Fig. 3 is an exploded view schematically illustrating a compressor according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a compressor according to an embodiment of the present invention, in which a dotted line ab indicates an extension line of a motion trajectory of a vane reciprocating in a linear motion with respect to a vane slot, and a point O indicates a center of a piston;
fig. 5 is a schematic structural view of a compressor according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the reciprocating linear motion of the slider with respect to the slider slot according to an embodiment of the present invention;
fig. 7 is a schematic structural view of an eccentric crankshaft according to an embodiment of the present invention, in which a dotted line L1 indicates an axis of an eccentric portion, and a dotted line L2 indicates axes of a main shaft portion and a sub shaft portion.
Wherein, the correspondence between the reference numbers and the part names in fig. 3 to 7 is:
the air valve comprises an air cylinder 1, a first working chamber 11, a first air suction port 12, a first exhaust port 13, a slide sheet groove 14, an air valve assembly groove 15, an air cylinder cavity 16, an air valve assembly 2, a valve plate 21, an air suction valve plate 22, an exhaust valve plate 23, a lift limiter 24, a piston 3, a slide sheet 4, a head part 41, a tail end 42, a second working chamber 5, a fixing part 6, an eccentric crankshaft 7, a main shaft part 71, an auxiliary shaft part 72 and an eccentric part 73.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A compressor and a refrigerating apparatus according to some embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 3 to 7, a compressor according to some embodiments of the present invention includes a cylinder 1, a piston 3, and a vane 4. A cylinder cavity 16 is arranged in the cylinder 1, a sliding sheet groove 14 is also arranged on the cylinder 1, the tail part of the sliding sheet groove is an installation surface, and the sliding sheet groove 14 is communicated with the cylinder cavity 16; the piston 3 is eccentrically and rotatably arranged in the cylinder cavity 16, and the outer diameter of the piston is R; the sliding vane 4 is arranged in a sliding vane slot 14 in a reciprocating linear motion mode, the sliding vane 4 and the piston 3 define a first working chamber 11, the first working chamber 11 is provided with a first air suction port 12 and a first air exhaust port 13, the part, located at the tail end 42, of the sliding vane slot 14 forms a second working chamber 5, and the second working chamber 5 is provided with a second air suction port and a second air exhaust port.
The invention provides a structure capable of improving the volumetric efficiency of a compression cavity and the rotary vibration of a compressor body. The compressor comprises a shell and a compression mechanism, wherein the compression mechanism is arranged in the shell and comprises a cylinder 1, an eccentric crankshaft 7 and a bearing, a slide sheet groove 14 is formed in the cylinder 1, a slide sheet 4 is placed in the slide sheet groove 14, the tail end of the slide sheet groove 14 is an installation surface, a piston 3 runs along the inner wall of the cylinder 1, and the piston 3 is sleeved on an eccentric part of the eccentric crankshaft 7. The device is provided with a first working cavity 11 and a second working cavity 5 at the same time, wherein the first working cavity 11 is composed of the outer diameter of a piston 3, the inner diameter of a cylinder 1 and a slide sheet 4; the second working chamber 5 is composed of a sliding vane 4, a sliding vane groove 14, a valve plate 21 and a bearing end face sealing part, the second working chamber 5 comprises a second air suction port and a second air exhaust port, the piston 3 is hinged with the sliding vane 4, and the sliding vane 4 reciprocates back and forth to perform linear motion to suck and compress air to work; the extension line of the reciprocating linear motion track of the sliding sheet 4 does not pass through the center of the cylinder 1, when the sliding sheet is in an axisymmetric structure along the motion direction of the reciprocating linear motion relative to the sliding sheet groove, the extension line of the reciprocating linear motion track of the sliding sheet is a symmetric axis, for example, the sliding sheet is rectangular, and the extension line of the reciprocating linear motion track of the sliding sheet is a rectangular axis. As shown in fig. 1 and 2, which illustrate the related art, an extension line of a reciprocating linear motion track of the slide sheet 4 passes through the center of the cylinder 1.
The piston 3 is hinged with the head part 41 of the sliding sheet 4, the tail end 42 of the sliding sheet 4 is positioned in the sliding sheet groove 14, the extension line of the reciprocating linear motion track of the sliding sheet 4 does not pass through the center of the cylinder 1, the extension line of the track passes between the center of the cylinder 1 and the first air suction port 12, the distance from the extension line of the track to the center of the cylinder 1 is X, one of the X and the X is 0<And e is less than or equal to X, the e is the eccentric amount of the eccentric shaft matched with the piston 3 and the main and auxiliary axes, namely the eccentric crankshaft comprises a main shaft part 71, an auxiliary shaft part 72 and an eccentric part 73 which are sequentially connected, e is the distance between the axes of the main shaft part and the auxiliary shaft part and the axis of the eccentric part, the limitation of the offset distance X is the minimum polar included angle of the offset crank connecting rod sliding piece 4 mechanism, and in principle, the larger the polar included angle is, the better the force transmission performance of the reciprocating motion of the sliding piece 4 is. Two of them
L is the effective length of the sliding vane 4, the limitation of the value of the offset distance X is that the flying rate of the sliding vane 4 is considered, and experimental data shows that the noise vibration of the compressor is obviously improved when the flying rate of the valve plate is less than 50%.
As shown in fig. 3, the extension line of the reciprocating linear motion track of the sliding piece 4 does not pass through the center of the cylinder 1, the extension line of the track passes through the space between the center of the cylinder 1 and the first air suction port, and the distance from the extension line of the track to the center of the cylinder 1 is X, so that the stress of the hinged head 41 of the sliding piece 4 on the rotation direction of the body can be structurally reduced, and the problem of air suction volume reduction caused by the expansion of the included angle between the first air suction port and the sliding piece groove 14 can be avoided. And the offset crank connecting rod sliding block mechanism has a quick return characteristic, so that the air suction volumetric efficiency of the second working cavity can be improved.
Wherein, the air valve assembly groove 15 is arranged at one end of the slide sheet groove 14 which is far away from the piston 3. The air valve assembly 2 comprises a valve plate 21, an air suction valve plate 22 and an air discharge valve plate 23, a second air suction port and a second air discharge port are formed in the valve plate 21, the air suction valve plate 22 is arranged on one side, close to the sliding piece 4, of the valve plate 21 and used for opening and closing the second air suction port, and the air discharge valve plate 23 is arranged on one side, deviated from the sliding piece 4, of the valve plate 21 and used for opening and closing the second air discharge port. The air valve assembly 2 further comprises a lift limiter 24 which is arranged on one side of the valve plate 21, which is opposite to the sliding sheet 7, and is used for limiting the limit position of the exhaust valve core for opening the second exhaust port.
In the description of the present invention, the term "plurality" means two or more unless explicitly specified or limited otherwise; the terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, or an electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present specification, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A compressor, comprising:
the air cylinder is internally provided with an air cylinder cavity, and the air cylinder is also provided with a slide sheet groove which is communicated with the air cylinder cavity;
the piston is eccentrically and rotatably arranged in the cylinder cavity;
the sliding piece is arranged in the sliding piece groove in a reciprocating mode, the sliding piece and the piston define a first working cavity, the first working cavity is provided with a first air suction port and a first air exhaust port, the part, located at the tail end of the sliding piece, of the sliding piece groove forms a second working cavity, and the second working cavity is provided with a second air suction port and a second air exhaust port;
wherein, the extension line of the motion trail of the slide sheet which makes reciprocating linear motion relative to the slide sheet groove does not pass through the center of the cylinder;
the eccentric crankshaft is arranged in the cylinder cavity, and the piston is sleeved on an eccentric part of the eccentric crankshaft; the distance between the extension line of the motion track of the slide sheet which makes reciprocating linear motion relative to the slide sheet groove and the center of the air cylinder is X, 0< X < e, wherein e is the eccentric amount of the eccentric part.
2. The compressor of claim 1, comprising:
the eccentric crankshaft is arranged in the cylinder cavity, and the piston is sleeved on an eccentric part of the eccentric crankshaft; the distance between the extension line of the motion trail of the slide sheet which makes reciprocating linear motion relative to the slide sheet groove and the center of the cylinder is X,
wherein L is an effective length of the slip sheet, and e is an eccentric amount of the eccentric portion.
3. The compressor of claim 1,
an extension line of a motion track of the slide sheet which makes reciprocating linear motion relative to the slide sheet groove passes through the center of the air cylinder and the first air suction port.
4. Compressor according to any one of claims 1 to 3,
the first intake port is provided in a radial direction of the cylinder.
5. The compressor of any one of claims 1 to 3, further comprising:
the air valve assembly is arranged in the air valve assembly groove, the air valve assembly, the sliding sheet and the sliding sheet groove define the second working cavity together, and the second air suction port and the second air exhaust port are arranged on the air valve assembly.
6. The compressor of claim 5,
the air valve assembly groove is formed in one end, deviating from the first working cavity, of the sliding sheet groove and is perpendicular to the sliding sheet groove.
7. Compressor according to any one of claims 1 to 3,
the head of the sliding sheet is hinged with the piston.
8. Refrigeration device, characterized in that it comprises a compressor according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505823.4A CN111287961B (en) | 2018-12-10 | 2018-12-10 | Compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505823.4A CN111287961B (en) | 2018-12-10 | 2018-12-10 | Compressor and refrigeration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111287961A CN111287961A (en) | 2020-06-16 |
| CN111287961B true CN111287961B (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811505823.4A Active CN111287961B (en) | 2018-12-10 | 2018-12-10 | Compressor and refrigeration equipment |
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| CN (1) | CN111287961B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102227092B1 (en) * | 2019-05-24 | 2021-03-12 | 엘지전자 주식회사 | Rotary compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014206173A (en) * | 2014-07-04 | 2014-10-30 | ▲荒▼田 哲哉 | Discharge mechanism of positive-displacement compressor |
| CN105698425A (en) * | 2016-02-22 | 2016-06-22 | 广东美芝制冷设备有限公司 | Refrigeration device |
| CN207122415U (en) * | 2017-07-31 | 2018-03-20 | 广东美芝制冷设备有限公司 | Compressor and there is its refrigeration plant |
| CN207847942U (en) * | 2018-02-02 | 2018-09-11 | 广东美芝制冷设备有限公司 | Compression mechanism and compressor with it |
-
2018
- 2018-12-10 CN CN201811505823.4A patent/CN111287961B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014206173A (en) * | 2014-07-04 | 2014-10-30 | ▲荒▼田 哲哉 | Discharge mechanism of positive-displacement compressor |
| CN105698425A (en) * | 2016-02-22 | 2016-06-22 | 广东美芝制冷设备有限公司 | Refrigeration device |
| CN207122415U (en) * | 2017-07-31 | 2018-03-20 | 广东美芝制冷设备有限公司 | Compressor and there is its refrigeration plant |
| CN207847942U (en) * | 2018-02-02 | 2018-09-11 | 广东美芝制冷设备有限公司 | Compression mechanism and compressor with it |
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|---|---|
| CN111287961A (en) | 2020-06-16 |
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