CN116066330A - Pump body structure of compressor, compressor and refrigerator - Google Patents
Pump body structure of compressor, compressor and refrigerator Download PDFInfo
- Publication number
- CN116066330A CN116066330A CN202310027599.7A CN202310027599A CN116066330A CN 116066330 A CN116066330 A CN 116066330A CN 202310027599 A CN202310027599 A CN 202310027599A CN 116066330 A CN116066330 A CN 116066330A
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- Prior art keywords
- hole
- compressor
- oil
- oil delivery
- delivery hole
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 69
- 230000006835 compression Effects 0.000 claims abstract description 66
- 238000007906 compression Methods 0.000 claims abstract description 66
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 98
- 239000010687 lubricating oil Substances 0.000 description 34
- 238000012546 transfer Methods 0.000 description 10
- 238000005461 lubrication Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 239000010725 compressor oil Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0207—Lubrication with lubrication control systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
- F04B39/0292—Lubrication of pistons or cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention provides a pump body structure of a compressor, the compressor and a refrigerator, wherein the pump body structure of the compressor comprises a cylinder seat, the cylinder seat is provided with a compression cavity, an opening is arranged on the cylinder seat and is communicated with the compression cavity, the opening is used for guiding gas to enter and exit the compression cavity, an oil delivery hole is arranged on the cylinder seat, the oil delivery hole is positioned at the opening, one end of the oil delivery hole is communicated with the compression cavity, the other end of the oil delivery hole is communicated with an oil pool of the compressor, a sealing piece is arranged in the oil delivery hole, and the sealing piece can move in the oil delivery hole along the axial direction of the oil delivery hole so as to open or close the oil delivery hole. According to the invention, the defect of large oil discharge amount of the compressor in the prior art can be overcome, and the heat exchange efficiency of the refrigerant is improved.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a pump body structure of a compressor, the compressor and a refrigerator.
Background
The trend in the piston compressor market is to lower the cost and increase the efficiency, wherein the compressor oil path design is an important part of lubricating parts, reducing mechanical motion friction and improving the efficiency of the compressor. At present, in a fully-closed piston compressor, an oil supply path is designed to mainly store lubricating oil in an oil storage space at the bottom of a shell, and by driving a crankshaft, the lubricating oil is lubricated along an oil groove of a shaft diameter. The design of the crankshaft oil circuit determines the lubricating oil performance of the compressor. If lubrication is insufficient, the power of the compressor is increased, and the efficiency and the reliability are reduced; if the oil quantity is large, the oil throwing height of the crankshaft is too high, the oil throwing path is far, so that a large amount of lubricating oil is sucked by the suction muffler, and the oil discharging rate of the compressor is large. The compressor oil discharge is large, so that lubrication of parts is insufficient, abrasion is caused, meanwhile, the efficiency of the refrigerant in evaporation heat exchange is low, the starting rate of the compressor is high, and finally the power consumption of the refrigerator is increased.
Because the compressor in the prior art has the technical problems of large oil discharge quantity, insufficient lubrication of parts and the like, the invention designs a pump body structure of the compressor, the compressor and a refrigerator.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect of large oil discharge amount of the compressor in the prior art, thereby providing a pump body structure of the compressor, the compressor and the refrigerator.
In order to solve the above problems, the present invention provides a pump body structure of a compressor, comprising:
the cylinder block, the cylinder block has the compression chamber, be provided with the opening on the cylinder block, the opening with the compression chamber is linked together, the opening is used for guiding gas business turn over the compression chamber, be provided with the oil feed hole on the cylinder block, just, the oil feed hole is located the opening part, oil feed hole one end intercommunication the compression chamber, the oil pool of other end intercommunication compressor, be provided with the sealing member in the oil feed hole, follow the axial of oil feed hole, the sealing member can oil feed hole internal motion, so that oil feed hole is opened or is closed.
In some embodiments, an included angle is formed between the inner wall of the oil delivery hole and the outer wall of the sealing element, the included angle is an acute angle, a piston is arranged in the compression cavity, and the sealing element can open or close the oil delivery hole according to the movement of the piston.
In some embodiments, a plurality of grooves are formed in the inner wall of the compression cavity along the circumferential direction of the opening, the grooves are located at the opening, two adjacent grooves are communicated through a communication hole (10), and one end of the oil transmission hole is arranged at the bottom of the groove.
In some embodiments, the longitudinal section of the inner wall of the oil delivery hole and the longitudinal section of the seal member are trapezoidal, the long side of the trapezoid faces the compression chamber, the short side is opposite to the compression cavity, and the length of the short side of the oil conveying hole is larger than or equal to that of the short side of the sealing element.
In some embodiments, the oil delivery aperture includes a fixed aperture having a first end in communication with the compression chamber and a second end in communication with the flow aperture, and a flow aperture, the seal being located within the fixed aperture.
In some embodiments, the inner diameter of the fixing hole is greater than the outer diameter of the sealing member, and the outer diameter of the sealing member is greater than the inner diameter of the flow hole, and the sealing member can open or close the flow hole when the sealing member moves.
In some embodiments, an elastic member is disposed in the fixing hole, and the sealing member is located between the elastic member and the flow hole, and the elastic member can drive the sealing member to move.
In some embodiments, one end of the elastic member is connected to the sealing member, the other end is connected to the inner wall of the fixing hole, and the inner diameter of the fixing hole is larger than the outer diameter of the elastic member.
In some embodiments, a baffle is disposed at an end of the elastic member facing away from the sealing member, the baffle is annular, an inner diameter of the fixing hole is larger than an outer diameter of the baffle, and the elastic member can move in the fixing hole.
The invention also provides a compressor, which comprises the pump body structure of the compressor.
The invention also provides a refrigerator comprising the compressor.
The pump body structure of the compressor, the compressor and the refrigerator provided by the invention have the following beneficial effects:
the cylinder block is provided with the oil delivery hole, just, the oil delivery hole is located the opening part, oil delivery hole one end intercommunication compression chamber, the oil sump of other end intercommunication compressor, be provided with the sealing member in the oil delivery hole, along the axial of oil delivery hole, the sealing member can be in oil delivery hole internal motion, so that oil delivery hole opens or closes, when the piston operation arrives the top dead center, at this moment, there is a large amount of lubricating oil in the opening part of cylinder block, at this moment, when the gas compression in the cylinder, the sealing member moves under the effect of pressure so that oil delivery hole closes, lubricating oil can flow into the oil delivery hole and store, prevent compression chamber gas leakage, after compression exhaust process is accomplished, the compressor begins to breathe in, at this moment, the sealing member moves so that oil delivery hole opens, and lubricating oil of opening part flows into the oil sump of compressor through the oil delivery hole, carries out the oil feeding lubrication of next round, both can improve the heat transfer efficiency of refrigerant, can reduce the oil extraction rate of compressor again.
Drawings
Fig. 1 is a schematic view of a cylinder block in a pump body structure of a compressor according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an oil delivery hole in a pump body structure of a compressor according to an embodiment of the present invention;
FIG. 3 is a schematic view of an elastic member in a pump body structure of a compressor according to an embodiment of the present invention;
FIG. 4 is a schematic view of a seal in a pump body structure of a compressor according to an embodiment of the present invention;
fig. 5 is a schematic view of a cylinder head in a pump body structure of a compressor according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a cylinder block in a pump body structure of a compressor according to an embodiment of the present invention;
fig. 7 is a partial enlarged view of fig. 6.
The reference numerals are expressed as:
1. a cylinder block; 2. a piston; 3. a cylinder head; 4. an elastic member; 5. a seal; 6. a groove; 7. an oil delivery hole; 8. a fixing hole; 9. a flow hole; 10. a communication hole; 11. a gasket; 12. and a valve plate.
Detailed Description
Referring to fig. 1 to 7 in combination, according to an embodiment of the present invention, there is provided a pump body structure of a compressor, including: the cylinder block 1, cylinder block 1 has the compression chamber, be provided with the opening on the cylinder block 1, the opening with the compression chamber is linked together, the opening is used for guiding gas business turn over the compression chamber, be provided with oil transfer hole 7 on the cylinder block 1, just, oil transfer hole 7 is located the opening part, oil transfer hole 7 one end intercommunication compression chamber, the oil reservoir of other end intercommunication compressor, be provided with sealing member 5 in the oil transfer hole 7, along the axial of oil transfer hole 7, sealing member 5 can be in oil transfer hole 7 internal motion, so that oil transfer hole 7 is opened or is closed. In this technical scheme, the opening part of cylinder block 1 is provided with cylinder head 3, the compression intracavity still is provided with piston 2, piston 2 can be at compression intracavity reciprocating motion, the bent axle of compressor throws oil and enters into the compression intracavity, make the existence lubricating oil in the compression intracavity, because the running frequency of compressor in the industry is higher and higher now, the oil loading of bent axle is great during the high frequency, lead to getting into a large amount of lubricating oil in the jar hole, lubricating oil passes through exhaust passage and discharges the compressor, lubricating oil in the casing reduces in a large number, because lubricating oil is not enough leads to the part wearing and tearing after long-time operation, also can lead to the refrigerant inefficiency when evaporating heat transfer simultaneously, the compressor start-up rate is high, finally increase the power consumption of refrigerator. The cylinder seat 1 is provided with the oil delivery hole 7, and, the oil delivery hole 7 is located the opening part, oil delivery hole 7 one end intercommunication compression chamber, the oil sump of other end intercommunication compressor, be provided with sealing member 5 in the oil delivery hole 7, along the axial of oil delivery hole 7, sealing member 5 can be in the oil delivery hole 7 internal motion, so that oil delivery hole 7 opens or closes, when piston 2 moves to the top dead center, at this moment, there is a large amount of lubricating oil in the opening part of cylinder seat 1, at this moment, when the gas compression in the cylinder, sealing member 5 moves under the effect of pressure so that oil delivery hole 7 closes, lubricating oil can flow into the oil delivery hole and store, prevent compression chamber gas leakage, after the compression exhaust process is accomplished, the compressor begins to breathe in at this moment, sealing member 5 moves so that oil delivery hole 7 opens, and the lubricating oil of opening part flows into the oil sump of compressor through oil delivery hole 7, carries out the lubrication of next round, both can improve the heat transfer efficiency of refrigerant, can reduce the oil extraction rate of compressor again. Referring to fig. 5, the pump body structure of the compressor of the present invention further includes a cylinder head 3, a gasket 11 and a valve plate 12, and in particular, it is identical to the conventional piston compressor structure in that the cylinder head 3 is mounted on the cylinder block 1. Proper amount of lubricating oil can promote the sealed effect of cylinder head 3 gasket 11, prevents to leak gas, can cause a large amount of lubricating oil between suction valve block 12 and the valve plate when lubricating oil is too much, makes suction valve block open the difficulty under viscous force effect, causes the refrigerating output to reduce, the condition that valve block life-span reduces. The piston 2 reciprocates in the compression chamber, and lubricating oil in the compression chamber mainly enters the compression chamber through oil slinging of the crankshaft. Because the running frequency of the existing compressor in the industry is higher and higher, the oil feeding amount of the crankshaft is larger at high frequency, so that a large amount of lubricating oil enters the compression cavity, the lubricating oil is discharged out of the compressor through the exhaust channel, the lubricating oil in the shell is greatly reduced, parts are worn due to insufficient lubricating oil after long-time running, meanwhile, the efficiency of the refrigerant is low during evaporation heat exchange, the starting rate of the compressor is high, and finally the power consumption of the refrigerator is increased.
In some embodiments, an included angle is formed between the inner wall of the oil delivery hole 7 and the outer wall of the sealing member 5, the included angle is an acute angle, a piston 2 is arranged in the compression cavity, and the sealing member 5 can open or close the oil delivery hole 7 according to the movement of the piston 2. In this technical scheme, the oil delivery hole 7 inner wall with have the contained angle between the outer wall of sealing member 5, the contained angle is the acute angle for when sealing member 5 moves, can make oil delivery hole 7 open or close, guarantee that the lubricating oil in the compression chamber can flow into in the oil sump of compressor casing through oil delivery hole 7. When the gas in the cylinder is compressed, the sealing element 5 moves under the action of pressure to enable the oil delivery hole 7 to be closed, lubricating oil flows into the oil delivery hole for storage, the air leakage of the compression cavity is prevented, after the compression and exhaust process is completed, the compressor starts to suck air, at the moment, the sealing element 5 moves to enable the oil delivery hole 7 to be opened, and the lubricating oil at the opening flows into an oil pool of the compressor through the oil delivery hole 7.
In some embodiments, as shown in fig. 1, a plurality of grooves 6 are formed in the inner wall of the compression chamber along the circumferential direction of the opening, the grooves 6 are located at the opening, two adjacent grooves 6 are communicated through a communication hole 10, and one end of the oil delivery hole 7 is disposed at the bottom of the groove 6.
In this technical scheme, open-ended circumference is provided with a plurality of recesses 6 on the inner wall of compression chamber, recess 6 is located the opening part, adjacent two be linked together through intercommunicating pore 10 between the recess 6, intercommunicating pore 10 sets up on the interior terminal surface of recess 6, and be located the inner wall of compression chamber under, when piston 2 moves the top dead center, cylinder block 1 top has a large amount of lubricating oil, lubricating oil flows into oil delivery hole 7 department through recess 6, a plurality of recesses 6 are annular arrangement, the annular structure is discontinuous, the partial region is unanimous with compression chamber diameter promptly, the partial design of non-intercommunication has intercommunicating pore 10, the lubricating oil of compression chamber top round can flow into oil delivery hole 7 department through intercommunicating pore 10, the problem that the piston wearing and tearing and clearance volume are too big can be avoided. The communicating hole 10 has a rectangular, trapezoid, round, semicircular structure and the like, so that lubricating oil can circulate conveniently.
In some embodiments, the longitudinal section of the inner wall of the oil delivery hole 7 and the longitudinal section of the sealing member 5 are trapezoidal, the long side of the trapezoid faces the compression cavity, the short side faces away from the compression cavity, and the short side length of the oil delivery hole 7 is greater than or equal to the short side length of the sealing member 5. In this technical scheme, the longitudinal section of oil transportation hole 7 inner wall with the longitudinal section of sealing member 5 is trapezoidal, trapezoidal long limit orientation the compression chamber, the minor face is dorsad the compression chamber, just, the minor face length of oil transportation hole 7 is greater than or equal to the minor face length of sealing member 5. The sealing element 5 is guaranteed to move in the oil conveying hole 7, the side wall of the sealing element 5 is matched with the side wall of the oil conveying hole 7, the oil conveying hole 7 is opened or closed more conveniently, the control gradient is accurate, the installation is simple, the structure is reliable, and the feasibility is strong.
In some embodiments, referring to fig. 2, the oil delivery hole 7 includes a fixing hole 8 and a flow hole 9, the fixing hole 8 has a first end and a second end, the first end communicates with the compression chamber, the second end communicates with the flow hole 9, and the sealing member 5 is located in the fixing hole 8. In this technical scheme, the oil transportation hole 7 includes fixed orifices 8 and circulation hole 9, and fixed orifices 8 have first end and second end, first end intercommunication the compression chamber, the second end intercommunication circulation hole 9 for lubricating oil in the compression chamber can be stored in fixed orifices 8, improves the oil transportation efficiency of oil transportation hole 7.
In some embodiments, the inner diameter of the fixing hole 8 is larger than the outer diameter of the sealing member 5, the outer diameter of the sealing member 5 is larger than the inner diameter of the flow hole 9, and the sealing member 5 can open or close the flow hole 9 when the sealing member 5 moves. In the technical scheme, when the gas in the compression cavity is compressed, the pressure is high, and under the action of the pressure, the sealing piece 5 closes the circulation hole 9 to prevent the air leakage of the compression cavity; when the compression discharge process is completed, the compressor starts to suck air, the sealing member 5 is lifted, lubricating oil flows out from the circulation hole 9 into the casing, the oil supply lubrication of the next round is carried out, so that the heat exchange efficiency of the refrigerant can be improved, and the oil discharge rate of the compressor can be reduced.
In some embodiments, as shown in fig. 6 and 7, an elastic member 4 is disposed in the fixing hole 8, and the sealing member 5 is located between the elastic member 4 and the through hole 9, and the elastic member 4 can drive the sealing member 5 to move. In this technical scheme, be provided with the elastic component 4 in the fixed orifices 8, the sealing member 5 is located the elastic component 4 with the circulation hole 9 is through the motion of elastic component 4 drive sealing member 5, thereby open or close the circulation hole 9.
In some embodiments, as shown in fig. 3 and 4, one end of the elastic member 4 is connected to the sealing member 5, the other end is connected to the inner wall of the fixing hole 8, and the inner diameter of the fixing hole 8 is larger than the outer diameter of the elastic member 4. In the technical scheme, when the gas in the compression cavity is compressed, the pressure is high, and the sealing piece 5 moves under the action of the pressure, so that the elastic piece 4 stretches, the circulation hole 9 is closed, and the air leakage of the compression cavity is prevented; after the compression and exhaust process is finished, the compressor starts to suck air, the sealing element 5 rises under the elastic action of the elastic element 4, lubricating oil flows out of the circulation hole 9 into the shell, and oil supply and lubrication of the next round are carried out, so that the heat exchange efficiency of the refrigerant can be improved, and the oil discharge rate of the compressor can be reduced.
In some embodiments, a baffle is disposed at an end of the elastic member 4 facing away from the sealing member 5, the baffle is annular, an inner diameter of the fixing hole 8 is larger than an outer diameter of the baffle, and the elastic member 4 can move in the fixing hole 8. In the technical scheme, when the gas in the compression cavity is compressed, the pressure is high, under the action of the pressure, the baffle plate enables the elastic piece 4 to be continuously compressed, so that the sealing piece 5 is sealed, and air leakage is prevented; after the compression and exhaustion process is completed, the compressor starts to suck air, the elastic piece 4 rebounds, the sealing piece 5 ascends, and lubricating oil flows out of the oil leakage hole into the shell to perform oil supply lubrication of the next round. The elastic member 4 may employ a spring.
The invention also provides a compressor, which comprises the pump body structure of the compressor.
The invention also provides a refrigerator comprising the compressor.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (11)
1. The utility model provides a pump body structure of compressor which characterized in that: comprising the following steps: the cylinder block (1), cylinder block (1) has the compression chamber, be provided with the opening on cylinder block (1), the opening with the compression chamber is linked together, the opening is used for guiding gas business turn over compression chamber, be provided with oil delivery hole (7) on cylinder block (1), just, oil delivery hole (7) are located opening part, oil delivery hole (7) one end intercommunication compression chamber, the oil reservoir of other end intercommunication compressor, be provided with sealing member (5) in oil delivery hole (7), follow the axial of oil delivery hole (7), sealing member (5) can be in oil delivery hole (7) internal motion, so that oil delivery hole (7) are opened or are closed.
2. The pump body structure of the compressor according to claim 1, wherein: the oil delivery hole (7) inner wall and the sealing element (5) outer wall between have the contained angle, the contained angle is the acute angle, just, be provided with piston (2) in the compression chamber, sealing element (5) can be according to the motion of piston (2), open or close oil delivery hole (7).
3. The pump body structure of the compressor according to claim 1, wherein: along open-ended circumference, be provided with a plurality of recesses (6) on the inner wall of compression chamber, recess (6) are located the opening part, adjacent two be linked together through intercommunicating pore (10) between recess (6), the one end setting of defeated oil hole (7) is in the bottom of recess (6).
4. The pump body structure of the compressor according to claim 1, wherein: the longitudinal section of the inner wall of the oil delivery hole (7) and the longitudinal section of the sealing piece (5) are trapezoid, the long side of the trapezoid faces the compression cavity, the short side of the trapezoid faces away from the compression cavity, and the length of the short side of the oil delivery hole (7) is larger than or equal to the length of the short side of the sealing piece (5).
5. The pump body structure of the compressor according to claim 1, wherein: the oil delivery hole (7) comprises a fixing hole (8) and a circulating hole (9), the fixing hole (8) is provided with a first end and a second end, the first end is communicated with the compression cavity, the second end is communicated with the circulating hole (9), and the sealing piece (5) is located in the fixing hole (8).
6. The pump body structure of the compressor according to claim 5, the method is characterized in that: the inner diameter of the fixing hole (8) is larger than the outer diameter of the sealing piece (5), the outer diameter of the sealing piece (5) is larger than the inner diameter of the circulating hole (9), and when the sealing piece (5) moves, the sealing piece (5) can open or close the circulating hole (9).
7. The pump body structure of the compressor according to claim 5, wherein: elastic pieces (4) are arranged in the fixing holes (8), the sealing pieces (5) are located between the elastic pieces (4) and the circulating holes (9), and the elastic pieces (4) can drive the sealing pieces (5) to move.
8. The pump body structure of the compressor according to claim 7, wherein: one end of the elastic piece (4) is connected with the sealing piece (5), the other end of the elastic piece is connected with the inner wall of the fixing hole (8), and the inner diameter of the fixing hole (8) is larger than the outer diameter of the elastic piece (4).
9. The pump body structure of the compressor according to claim 7, wherein: the elastic piece (4) is provided with a baffle at one end facing away from the sealing piece (5), the baffle is annular, the inner diameter of the fixing hole (8) is larger than the outer diameter of the baffle, and the elastic piece (4) can move in the fixing hole (8).
10. A compressor, characterized in that: pump body structure comprising a compressor according to any one of claims 1 to 9.
11. A refrigerator, characterized in that: comprising the compressor of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310027599.7A CN116066330A (en) | 2023-01-09 | 2023-01-09 | Pump body structure of compressor, compressor and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310027599.7A CN116066330A (en) | 2023-01-09 | 2023-01-09 | Pump body structure of compressor, compressor and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116066330A true CN116066330A (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310027599.7A Pending CN116066330A (en) | 2023-01-09 | 2023-01-09 | Pump body structure of compressor, compressor and refrigerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN116066330A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118757373A (en) * | 2024-09-06 | 2024-10-11 | 珠海格力电器股份有限公司 | Compressor antifriction subassembly, compressor and refrigerator |
-
2023
- 2023-01-09 CN CN202310027599.7A patent/CN116066330A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118757373A (en) * | 2024-09-06 | 2024-10-11 | 珠海格力电器股份有限公司 | Compressor antifriction subassembly, compressor and refrigerator |
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