JP6487112B2 - Oiling assembly and compressor for refrigerator compressor - Google Patents

Description

  The present invention relates to a technical field of a compressor, and more particularly, to an oil supply assembly for a refrigerator compressor and a compressor including the oil supply assembly.

  The greatest feature of the inverter-type refrigerator compressor is that the rotational speed of the motor is variable. Usually, the rotational speed range is about 1200 to 4500 rpm. An ordinary constant speed compressor generally has a rotational speed of about 2900 rpm. If the number of revolutions is high, the refrigerator's refrigeration performance is effectively improved, the cooling rate of food stored in the refrigerator is improved, and the ordinary constant speed compressor is used for the quick freezing function of the refrigerator and maintaining the freshness of the food. The advantages are clear compared to However, as the rotational speed increases, more refrigeration oil in the compressor is pumped by the centrifugal oil pump (the higher the rotational speed, the higher the pumping capacity of the oil pump), and it flows into the cylinder and is discharged to the refrigerator system. . Too much refrigeration oil causes oil clogging in the refrigerator system, reducing the heat exchange efficiency of the system duct and reducing the refrigeration performance of the refrigerator.

  Conventional refrigerator compressor manufacturers usually solve the above-mentioned problem by increasing the number of oil drain holes in the main shaft of the crankshaft. However, it is necessary to improve the processing accuracy of the equipment, and the requirements for processing positioning are also strict.

  The present invention aims to solve to some extent technical problems existing in the related art. Therefore, the present invention can not only effectively solve problems such as too much oil being pumped when the rotation speed of the inverter type compressor is high, but also can be compressed by being attached to the compressor. An oil supply assembly for a refrigerator compressor capable of simplifying a machining process of a crankshaft of a machine.

  The present invention further provides a compressor including an oil supply assembly for the refrigerator compressor.

  An oil supply assembly for a refrigerator compressor according to an embodiment of the first aspect of the present invention is provided with an oil drain hole and an exhaust hole at an upper portion, and is eccentrically provided with respect to a rotation axis of a crank shaft of the compressor. An oil intake passage is defined, an oil supply vane in which the oil discharge hole and the exhaust hole communicate with the oil suction passage, a chamber is defined inside, and an oil suction hole communicated with the chamber is provided, An oil pump in which an oil supply vane is mounted in the chamber, an oil drain connection hole and an exhaust connection hole are provided, the oil drain connection hole communicates with the oil drain hole, and the gas exhaust connection hole communicates with the gas exhaust hole. A housing.

  According to the oil supply assembly for the refrigerator compressor according to the embodiment of the present invention, by providing the exhaust hole and the exhaust oil hole in the oil supply vane, too much oil is pumped when the rotational speed of the inverter compressor is high. In addition, it is possible to reduce the crankshaft machining process by integrating the oil exhaust holes and exhaust holes processed in the crankshaft in the prior art into the oil supply vane, and the compressor crankshaft. The structure becomes simpler and the reliability is improved. In addition, the processing of the refueling vane is simplified, and it is not necessary to introduce a special processing or assembly tool, so that the economy becomes more remarkable.

  The refueling assembly for the refrigerator compressor according to the embodiment of the present invention may further include the following additional technical features.

  According to an embodiment of the present invention, protrusions are provided on both sides of the oil supply vane, the oil discharge hole is provided in the protrusion on one side of the oil supply vane, and the exhaust hole is provided on the oil supply vane. It is provided in the protrusion on the other side.

  Optionally, the two protrusions of the oil supply vane are provided to face each other along the radial direction of the oil pump housing, and the oil discharge hole and the exhaust hole are provided coaxially.

  According to an embodiment of the present invention, the oil discharge hole and the oil discharge connection hole are provided coaxially, and the exhaust hole and the exhaust connection hole are provided coaxially.

  According to an embodiment of the present invention, the oil suction passage is provided along a vertical direction, is provided eccentrically with respect to a rotation axis of a crankshaft of the compressor, and the oil discharge hole is provided in the oil supply vane. On the side close to the oil suction passage.

  Optionally, when the distance between the intersection of the oil drain hole and the oil suction passage and the rotation axis of the crankshaft is R and the radius of the oil suction hole is r, R and r Satisfies R> r.

  Optionally, when the distance between the intersection of the exhaust hole and the oil suction passage and the rotation axis of the crankshaft is R1, and the radius of the oil suction hole is r, R1 and r are R1 <r is satisfied.

  Furthermore, the intersection of the central axis of the exhaust hole and the oil suction passage is located on the rotational axis of the crankshaft.

  According to an embodiment of the present invention, the outer peripheral surface of the oil supply vane is formed into an arc surface.

  In addition, the present invention further provides a compressor including an oil supply assembly for the refrigerator compressor according to the embodiment.

  The compressor according to the embodiment of the second aspect of the present invention is the compressor according to the embodiment of the present invention because the refueling assembly for the refrigerator compressor according to the embodiment of the present invention has the above-described technical effect. Also has the technical effects described above. That is, the compressor according to the embodiment of the present invention can effectively solve the problem that too much oil is pumped when the rotational speed of the inverter compressor is high, and can reduce the processing steps of the compressor.

  Some of the additional aspects and advantages of the present invention will be described in the following description, and some will be apparent from the following description, or can be grasped by practicing the present invention.

FIG. 1 is a schematic view illustrating a structure of an oil supply assembly for a refrigerator compressor according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of an oil supply assembly for a refrigerator compressor according to an embodiment of the present invention. FIG. 3 is a plan view of an oil supply assembly for a refrigerator compressor according to an embodiment of the present invention. FIG. 4 is a schematic view showing the structure of an oil supply vane of an oil supply assembly for a refrigerator compressor according to an embodiment of the present invention. FIG. 5 is a cross-sectional view of an oil supply vane of an oil supply assembly for a refrigerator compressor according to an embodiment of the present invention. FIG. 6 is a plan view of an oil supply vane of an oil supply assembly for a refrigerator compressor according to an embodiment of the present invention.

  Hereinafter, embodiments of the present invention will be described in detail. An example of the embodiments is shown in the drawings. The embodiments described below with reference to the drawings are illustrative and should be used to describe the present invention and should not be understood as limiting the present invention.

  In the description of the present invention, “center”, “vertical direction”, “lateral direction”, “length”, “width”, “thickness”, “upper”, “lower”, “vertical”, “horizontal”, “ The direction or positional relationship indicated by terms such as “top”, “bottom”, “inside”, “outside”, “axial direction”, “radial direction”, “circumferential direction” is based on the orientation or positional relationship shown in the drawing, It is merely for convenience or simplicity of describing the present invention, and does not indicate or imply that a specified apparatus or component is in a particular orientation and is configured and operated in a particular orientation. It should not be understood as limiting the invention.

  The terms “first” and “second” are used only to describe the purpose and indicate or imply relative importance, or imply the number of technical features indicated. Do not understand to direct. Therefore, the features limited to “first” and “second” explicitly or imply that at least one of the features is included. In the description of the present invention, unless there is a clear and specific limitation, “plurality” means at least two, for example, two, three, and the like.

  In the present invention, unless specifically defined and limited, the meanings of terms such as “attach”, “connect to each other”, “connect”, and “fix” should be widely understood. For example, a fixed connection, a detachable connection, or an integral connection is possible. Mechanical connections, electrical connections, or communication with each other is also possible. It is possible to connect directly, indirectly through an intermediate medium, the inside of two parts can communicate, or there can be an interaction between the two parts . A person skilled in the art can understand the specific meaning of the above terms in the present invention depending on the specific case.

  Hereinafter, an oil supply assembly 100 for a refrigerator compressor according to an embodiment of the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 to 3, an oil supply assembly 100 for a refrigerator compressor according to an embodiment of the present invention may include an oil supply vane 1 and an oil pump housing 2.

  Specifically, an oil discharge hole 11 and an exhaust hole 12 are provided in the upper portion of the oil supply vane 1, and oil suction is provided inside the oil supply vane 1 so as to be eccentric with respect to the rotation axis of a crankshaft (not shown) of the compressor. A passage 13 is defined, the oil discharge hole 11 and the exhaust hole 12 communicate with the oil suction passage 13, a chamber 21 is defined inside the oil pump housing 2, and the oil pump housing 2 communicates with the chamber 21. An oil suction hole 22 is provided, the oil supply vane 1 is mounted in the chamber 21, an oil discharge connection hole 23 and an exhaust connection hole 24 are provided in the oil pump housing 2, and the oil discharge connection hole 23 is formed in the oil discharge hole 11. The exhaust connection hole 24 is communicated with the exhaust hole 12.

  As shown in FIG. 1, a chamber 21 is defined inside the oil pump housing 2, the oil supply vane 1 is mounted in the chamber 21, an oil suction hole 22 is provided at the lower end of the oil pump housing 2, and the oil suction hole 22. Is communicated with the chamber 21, and an oil suction passage 13 is provided in the upper portion of the oil supply vane 1. The oil suction passage 13 extends along the axial direction of the crankshaft of the compressor and is provided eccentric to the rotation axis of the crankshaft of the compressor. That is, the central axis of the oil suction passage 13 is not located on the same straight line as the rotation axis of the crankshaft of the compressor.

  The oil suction passage 13 communicates with the chamber 21. That is, the oil suction passage 13 communicates with the oil suction hole 22. The oil supply vane 1 is further provided with an oil exhaust hole 11 and an exhaust hole 12, and the exhaust hole 12 and the oil exhaust hole 11 communicate with an oil suction passage 13, respectively. An oil drain connection hole 23 and an exhaust connection hole 24 are provided in the oil pump housing 2, the oil drain connection hole 23 is communicated with the oil drain hole 11, and the gas exhaust connection hole 24 is communicated with the gas exhaust hole 12. In this way, when the compressor is operated to a certain number of revolutions, the oil is sent out through the oil suction passage 13 and excess pumped oil is discharged through the oil drain hole 11 and the oil drain connection hole 23. Discharge. When the compressor is started, the exhaust gas is exhausted through the exhaust hole 12 and the exhaust connection hole 24. When the rotation speed of the compressor is lower than the rotation speed, the oil supply assembly 100 sends out oil only through the oil suction passage 13. The oil drain hole 11 and the oil drain connection hole 23 do not drain oil. Thereby, oil to be pumped in the compressor can be secured, oil clogging can be suppressed, and use performance of the compressor can be secured.

  The oil supply assembly 100 for the refrigerator compressor according to the embodiment of the present invention is provided with the exhaust hole 12 and the exhaust oil hole 11 in the oil supply vane 1 so that a lot of oil is pumped when the rotation speed of the inverter compressor is high. In addition to effectively solving problems such as excessively, by integrating the oil discharge holes 11 and the exhaust holes 12 processed in the crankshaft in the prior art in the oil supply vane 1, the processing process of the crankshaft can be reduced, The structure of the compressor crankshaft becomes simpler and the reliability is improved, the processing of the oiling vane 1 is simplified, and there is no need to introduce a dedicated processing or assembly tool, which is economical. Become more prominent.

  In one embodiment of the present invention, protrusions 14 are provided on both sides of the oil supply vane 1, the oil discharge hole 11 is provided in the protrusion 14 on one side of the oil supply vane 1, and the exhaust hole 12 is the other side of the oil supply vane 1. It is provided on the side protrusion 14. That is, the oil discharge hole 11 and the exhaust hole 12 are provided on both sides of the oil supply vane 1, respectively. The oil discharge hole 11 communicates the oil suction passage 13 and the outside of the oil supply vane 1, and the exhaust hole 12 communicates the oil suction passage 13 and the outside of the oil supply vane 1. Thereby, the installation of the exhaust hole 12 and the oil exhaust hole 11 becomes convenient, and it is useful for the oil exhaust by the oil exhaust hole 11 and the exhaust by the exhaust hole 12.

  Specifically, as shown in FIGS. 1, 4, and 5, the main body of the oil supply vane 1 is formed in a substantially thin plate-like structure, and protrusions 14 are provided on both sides of the upper portion of the oil supply vane 1. 14 is formed integrally with the main body. An oil suction passage 13 is formed in the upper portion of the oil supply vane 1 and extends along the axial direction of the oil supply vane 1. An oil discharge hole 11 is provided on one side of the oil supply vane 1 and on a protrusion 14 on one side of the oil supply vane 1, and the oil discharge hole 11 connects the oil suction passage 13 and the oil connection hole 23 of the oil pump housing 2. Communicate. An exhaust hole 12 is provided in the protrusion 14 on the other side of the oil supply vane 1, and communicates between the oil suction passage 13 and the oil connection hole 23 of the oil pump housing 2. The two protrusions 14 make it easy to install the oil drain holes 11 and the exhaust holes 12, simplify the structure of the oil supply vane 1, eliminate the need for secondary machining of the compressor crankshaft, and produce compressors. The process is simplified.

  Optionally, the two protrusions 14 of the oil supply vane 1 are arranged to face each other along the radial direction of the oil pump housing 2, and the oil discharge hole 11 and the exhaust hole 12 are provided coaxially. That is, the two protrusions 14 are provided on both sides of the oil supply vane 1 and are disposed to face each other along the radial direction of the chamber 21 of the oil pump housing 2. As shown in FIGS. 4 and 5, as can be seen from the plan view of the fuel supply vane 1, the cross section of the main body of the fuel supply vane 1 and the two protrusions 14 is formed in a cross shape. Is attached to the chamber 21 of the oil pump housing 2, the assembly of the oil supply vane 1 and the chamber 21 becomes convenient, and the strength of the structure of the oil supply vane 1 is enhanced. Further, the oil drain hole 11 and the exhaust hole 12 are perpendicular to the oil suction passage 13, and the oil drain hole 11 and the exhaust hole 12 are provided coaxially, so that the oil discharge hole 11 and the exhaust hole 12 can be processed and manufactured. It becomes even more convenient.

  In one embodiment of the present invention, the oil discharge hole 11 and the oil discharge connection hole 23 are provided coaxially, and the exhaust hole 12 and the exhaust connection hole 24 are provided coaxially. Referring to FIGS. 2 and 5 together, the oil drain hole 11 and the exhaust hole 12 are provided in the horizontal direction, and the oil drain connection hole 23 and the oil drain hole 11 correspond to the positions and are provided coaxially, and the exhaust connection. The holes 24 and the exhaust holes 12 correspond to each other and are provided coaxially, thereby being useful for communication between the oil drain connection hole 23 and the oil drain hole 11 and communication between the gas exhaust connection hole 24 and the gas exhaust hole 12.

  Preferably, the oil suction passage 13 is provided along the vertical direction and is eccentric with respect to the rotation axis of the crankshaft of the compressor, and the oil discharge hole 11 is close to the oil suction passage 13 of the oil supply vane 1. Provided on one side. In other words, the oil intake passage 13 is provided eccentrically with respect to the rotation axis of the crankshaft of the compressor, and the oil discharge hole 11 is provided on one side where the oil intake passage 13 of the oil supply vane 1 is shifted from the compressor crankshaft. . That is, the oil intake passage 13 and the oil discharge hole 11 are provided on one side of the oil supply vane 1 eccentrically with respect to the rotation axis of the crankshaft of the compressor, and the exhaust hole 12 is provided on the other side opposite to the oil supply vane 1. It is done. As a result, when the rotational speed of the compressor increases to a certain rotational speed, oil can be drained through the oil drain hole 11 and the exhaust hole 12 only exhausts, and the pumped oil is exhausted through the exhaust hole 12. Can be ensured not to be discharged from.

  In one example of the present invention, when the distance between the intersection of the oil discharge hole 11 and the oil suction passage 13 and the rotation axis of the crankshaft is R, and the radius of the oil suction hole 22 is r, R and r satisfy R> r. In other words, the distance between the intersection of the central axis of the oil drain hole 11 and the oil suction passage 13 and the rotation axis of the crankshaft is larger than the radius of the oil suction hole 22. As a result, when the rotation speed of the compressor reaches a certain rotation speed, the pumped oil is discharged through the oil discharge hole 11 and oil clogging can be prevented.

  Preferably, when the distance between the intersection of the exhaust hole 12 and the oil suction passage 13 and the rotation axis of the crankshaft is R1, and the radius of the oil suction hole 22 is r, R1 and r are R1 < r is satisfied. In other words, the horizontal distance from the intersection of the central axis of the exhaust hole 12 and the inner peripheral wall of the oil suction passage 13 to the rotation axis of the crankshaft is smaller than the radius of the oil suction hole 22. As a result, it is possible to prevent the oil pumped in the oil suction passage 13 from being discharged through the exhaust hole 12, and to improve the safety performance of the compressor.

  Furthermore, the intersection of the central axis of the exhaust hole 12 and the oil suction passage 13 is located on the rotation axis of the crankshaft. That is, the inner wall of the oil suction passage 13 passes through the rotation axis of the crankshaft. In other words, the distance between the intersection of the exhaust hole 12 and the oil suction passage 13 and the rotation axis of the crankshaft is zero. As a result, it is possible to ensure that the oil pumped in the oil suction passage 13 is not discharged from the exhaust hole 12, and further to ensure the use performance of the compressor.

  In one embodiment of the present invention, the outer peripheral surface of the oil supply vane 1 is formed into an arc surface. Referring to FIG. 2 and FIG. 6 together, the chamber 21 of the oil pump housing 2 is formed in a columnar shape, and the outer peripheral surface of the oil supply vane 1 is formed in an arcuate surface, thereby being coupled to the inner peripheral surface of the chamber 21. In particular, the assembly of the oil supply vane 1 and the oil pump housing 2 is convenient. Optionally, the oil supply vane 1 is fitted into the chamber 21 of the oil pump housing 2 so that the oil supply vane 1 and the oil pump housing 2 can be easily assembled. As an assembly means of the oil supply vane 1 and the oil pump housing 2, the oil supply vane 1 and the oil pump housing 2 may be connected and connected in other forms. For example, the oil supply vane 1 and the oil pump housing 2 may adopt a clearance fit or a stop fit, and may be attached by other structures or assembly devices, and the present invention is limited thereto. do not do.

  Hereinafter, a specific embodiment of an oil supply assembly 100 for a refrigerator compressor according to an embodiment of the present invention will be described with reference to the drawings. It should be noted that the following description is merely illustrative and is not intended to limit the embodiments of the present invention.

  1 to 6, an oil supply assembly 100 for a refrigerator compressor according to an embodiment of the present invention includes an oil supply vane 1 and an oil pump housing 2. The lower part of the oil supply vane 1 is formed in a thin plate-like structure, the oil intake passage 13, the oil exhaust hole 11 and the exhaust hole 12 are partitioned in the upper part of the oil supply vane 1, and the oil exhaust hole 11 and the exhaust hole 12 are formed in the oil intake passage 13. The oil suction passage 13 is extended along the axial direction of the crankshaft of the compressor and is offset from the rotation axis of the crankshaft.

  The oil drain hole 11 and the exhaust hole 12 are respectively perpendicular to the intake passage, and the oil drain hole 11 and the exhaust hole 12 are provided coaxially. The oil discharge hole 11 and the exhaust hole 12 are respectively provided on opposite sides of the oil supply vane 1, and the oil discharge hole 11 is provided on one side where the oil suction passage 13 of the oil supply vane 1 is shifted from the rotation axis of the crankshaft. Reference numeral 12 is provided on the other side of the oil supply vane 1 facing the oil discharge hole 11.

  As shown in FIG. 6, the cross section of the oil suction passage 13 is formed in a polygon, the polygon is substantially rectangular, and one side away from the axial direction of the rotation axis of the rectangular crankshaft is formed in an arc. As a result, the size of the oil suction passage 13 can be increased, which is useful for the circulation of the pumped oil. The oil suction passage 13 according to the embodiment of the present invention may have other shapes.

  A chamber 21 is defined inside the oil pump housing 2, an oil suction hole 22 communicating with the chamber 21 is provided at a central position of the bottom wall of the oil pump housing 2, and an oil discharge connection hole 23 is formed on the side wall of the oil pump housing 2. In addition, an exhaust connection hole 24 is provided, and the fuel supply vane 1 is mounted in the chamber 21. The oil suction passage 13 communicates with the oil suction hole 22, the oil drain connection hole 23 communicates with the oil drain hole 11 and is provided coaxially, and the exhaust connection hole 24 communicates with the exhaust hole 12 and provided coaxially. . As a result, excess pumped oil can be discharged by the oil discharge hole 11 and the oil discharge connection hole 23, and can be exhausted by the exhaust connection hole 24 and the exhaust hole 12, thereby suppressing oil clogging and improving the use performance of the compressor. To do.

  Preferably, the distance R between the intersection of the central axis of the oil drainage hole 11 and the side wall of the oil suction passage 13 that is close to the rotation axis of the crankshaft is larger than the radius r of the oil suction hole 22. Thereby, when the rotation speed of the compressor reaches a certain rotation speed, oil drainage by the oil drainage hole 11 can be secured. The distance R1 between the intersection of the central axis of the exhaust hole 12 and the side wall of the oil suction passage 13 that is close to the rotation axis of the crankshaft is smaller than the radius r of the oil suction hole 22. As a result, the pumped oil can be prevented from flowing out of the exhaust hole 12.

  Further, the intersection of the central axis of the exhaust hole 12 and the side wall of the oil suction passage 13 adjacent to the exhaust hole 12 is located on the rotation axis of the crankshaft. That is, the distance between the intersection of the central axis of the exhaust hole 12 and the side wall of the oil suction passage 13 that is close to the rotation axis of the crankshaft is zero. This further prevents the pumped oil from flowing out of the exhaust hole 12.

  As shown in FIG. 6, the outer peripheral surface of the oil supply vane 1 is formed in an arc surface, the oil supply vane 1 is attached in the chamber 21, and the outer peripheral surface of the oil supply vane 1 is preferably coupled to the inner peripheral surface of the chamber 21. Therefore, it is useful for assembling the fuel supply vane 1.

  Accordingly, the oil supply assembly 100 for the refrigerator compressor according to the embodiment of the present invention is an inverter type by integrating the exhaust holes 12 and the oil discharge holes 11 formed in the crankshaft in the prior art in the oil supply vane 1. It can effectively solve the problem that too much oil is pumped when the rotation speed of the compressor is high, and it is not necessary to process the crankshaft multiple times, and the crankshaft machining process can be reduced. .

  In addition, the present invention further provides a compressor including an oil supply assembly 100 for a refrigerator compressor according to the above-described embodiment.

  Since the refueling assembly 100 for a refrigerator compressor according to the above-described embodiment of the present invention has the above-described technical effect, the compressor according to the embodiment of the present invention also has the above-described technical effect. That is, the compressor according to the embodiment of the present invention can effectively solve the problem that too much oil is pumped when the rotational speed of the inverter compressor is high, and can reduce the processing steps of the compressor.

  Other structures and operations of the compressor according to embodiments of the present invention are well known to those skilled in the art and will not be described in detail here.

  In the present invention, the first feature is “above” or “below” the second feature unless the first feature and the second feature are in direct contact, unless otherwise specified and limited. Alternatively, the first feature and the second feature may include indirect contact via the intermediate medium. Also, the fact that the first feature is “above”, “above” or “upper surface” of the second feature includes that the first feature is directly above and obliquely above the second feature, or simply Only the horizontal height of one feature is higher than the second feature. That the first feature is “below”, “below” or “bottom” of the second feature includes that the first feature is directly below and obliquely below the second feature, or simply Only the horizontal height is lower than the second feature.

  In the description of the present invention, descriptions referring to terms such as “one embodiment”, “one example”, “exemplary”, “specific example”, or “one example” The specific features, configurations, materials, or characteristics described in connection with are meant to be included in at least one embodiment or example of the present invention. In this specification, exemplary depictions of the above terms are not necessarily referring to the same examples or illustrations. In addition, the specific features, configurations, materials, and characteristics described can be combined as appropriate in any one or more of the embodiments or examples. Also, where not contradictory to each other, those skilled in the art can combine and combine the different embodiments or examples described herein and the features of the different embodiments or examples.

  While the embodiments of the present invention have been shown and described, the above embodiments are illustrative and should not be construed as limiting the invention. Those skilled in the art can make changes, modifications, substitutions and variations to these embodiments within the scope of the present invention.

DESCRIPTION OF SYMBOLS 100: Oil supply assembly for refrigerator compressors 1: Oil supply vane 11: Oil discharge hole 12: Exhaust hole 13: Oil suction passage 14: Protrusion 2: Oil pump housing 21: Chamber 22: Oil suction hole 23: Waste oil connection hole 24: Exhaust connection hole

Claims (10)

An oil drainage hole and an exhaust hole are provided in the upper part, and an oil suction passage provided eccentrically with respect to the rotation axis of the crankshaft of the compressor is defined therein, and the oil drainage hole and the exhaust hole are provided in the oil suction passage. Refueling vanes communicated with each other;
A chamber is defined inside, an oil suction hole communicating with the chamber is provided, an oil drain connection hole and an exhaust connection hole are provided, the oil supply vane is mounted in the chamber, and the oil drain connection hole is provided. An oil pump housing communicated with the oil exhaust hole, and the exhaust connection hole communicated with the exhaust hole.
A refueling assembly for a refrigerator compressor. Protrusions are provided on both sides of the oil supply vane, the oil discharge hole is provided in the protrusion on one side of the oil supply vane, and the exhaust hole is provided in the protrusion on the other side of the oil supply vane.
The oil supply assembly for a refrigerator compressor according to claim 1. The two protrusions of the oil supply vane are provided facing each other along the radial direction of the oil pump housing, and the oil discharge hole and the exhaust hole are provided coaxially.
An oil supply assembly for a refrigerator compressor according to claim 2. The oil discharge hole and the oil discharge connection hole are provided coaxially, and the exhaust hole and the exhaust connection hole are provided coaxially.
The oil supply assembly for a refrigerator compressor according to claim 1. The oil suction passage is provided along the vertical direction and is eccentric with respect to the rotation axis of the crankshaft of the compressor, and the oil drainage hole is located on the side close to the oil suction passage of the oil supply vane. Provided,
The oil supply assembly for a refrigerator compressor according to claim 1. When the distance between the intersection of the oil drain hole and the oil suction passage and the rotation axis of the crankshaft is R, and the radius of the oil suction hole is r, R and r are R> r Meet,
An oil supply assembly for a refrigerator compressor according to claim 5. When the distance between the intersection of the exhaust hole and the oil suction passage and the rotation axis of the crankshaft is R1, and the radius of the oil suction hole is r, R1 and r satisfy R1 <r. Fulfill,
An oil supply assembly for a refrigerator compressor according to claim 5. The intersection of the central axis of the exhaust hole and the oil suction passage is located on the rotation axis of the crankshaft.
An oil supply assembly for a refrigerator compressor according to claim 7. The outer peripheral surface of the oil supply vane is formed in an arc surface,
An oil supply assembly for a refrigerator compressor according to any one of claims 1 to 8.   The compressor provided with the oil supply assembly for refrigerator compressors of any one of Claims 1 thru | or 9.