CN112943581B - Oil circuit structure and compressor with same - Google Patents

Oil circuit structure and compressor with same Download PDF

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Publication number
CN112943581B
CN112943581B CN202110218680.4A CN202110218680A CN112943581B CN 112943581 B CN112943581 B CN 112943581B CN 202110218680 A CN202110218680 A CN 202110218680A CN 112943581 B CN112943581 B CN 112943581B
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China
Prior art keywords
oil
cylinder
oil groove
groove
seat
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CN202110218680.4A
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CN112943581A (en
Inventor
魏会军
黄传顺
朱红伟
刘靖
朱咏杰
李亚荣
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Priority to CN202110218680.4A priority Critical patent/CN112943581B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/06Cooling; Heating; Prevention of freezing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/02Lubrication
    • F04B39/0223Lubrication characterised by the compressor type
    • F04B39/0276Lubrication characterised by the compressor type the pump being of the reciprocating piston type, e.g. oscillating, free-piston compressors

Abstract

The invention provides an oil circuit structure and a compressor with the same. The oil circuit structure has an oil outlet, and the oil circuit structure includes: the cylinder seat comprises a first seat body and a second seat body connected with the first seat body, and the first seat body is provided with a cylinder hole for arranging a piston; the second base is used for supporting the crankshaft; the first seat body is provided with a first oil groove and a second oil groove communicated with the first oil groove; the second oil groove is arranged around the cylinder hole; the first oil groove is located between the crankshaft and the second oil groove, so that lubricating oil passing through the crankshaft sequentially passes through the first oil groove and the second oil groove and then flows out of the oil outlet. The oil way structure solves the problem that the refrigerant in the air suction section is seriously overheated due to local high temperature in the compressor in the prior art.

Description

Oil circuit structure and compressor with same
Technical Field
The invention relates to the field of compressors, in particular to an oil way structure and a compressor with the same.
Background
At present, a piston compressor for a refrigerator is of a crank-connecting rod structure, a crankshaft rotates under the driving of a motor to drive a piston to reciprocate, and air suction, compression and exhaust of the compressor are achieved. The cylinder block is a compressor body and provides supporting and platform functions.
The high-temperature gas compressed in the cylinder mainly dissipates heat through the outer surface of the cylinder head, and the heat dissipation area of the cylinder head is limited due to the small size of the core of the piston compressor, so that the temperature of three parts, namely the cylinder cover, the cylinder seat and the valve plate, of the cylinder head part is high. The local high temperature causes serious overheating of the refrigerant at the air suction section, so that the air suction efficiency of the compressor is reduced, and the performance of the whole compressor is reduced.
Disclosure of Invention
The invention mainly aims to provide an oil circuit structure and a compressor with the same, and aims to solve the problem that a refrigerant at a suction section is seriously overheated due to local high temperature in the compressor in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided an oil passage structure having an oil outlet, the oil passage structure including: the cylinder seat comprises a first seat body and a second seat body connected with the first seat body, and the first seat body is provided with a cylinder hole for arranging a piston; the second base is used for supporting the crankshaft; the first seat body is provided with a first oil groove and a second oil groove communicated with the first oil groove; the second oil groove is arranged around the cylinder hole; the first oil groove is located between the crankshaft and the second oil groove, so that lubricating oil passing through the crankshaft sequentially passes through the first oil groove and the second oil groove and then flows out of the oil outlet.
Further, the oil circuit structure still includes the third oil groove that is linked together with the second oil groove, and the third oil groove sets up on first pedestal and sets up with first oil groove interval.
Furthermore, the first base comprises a first column body and a second column body, the first column body is provided with a first end and a second end which are oppositely arranged along the axial direction of the first column body, the second column body is provided with a third end and a fourth end which are oppositely arranged along the axial direction of the second column body, the first end of the first column body is connected with the second base body, and the second end of the first column body is connected with the first end of the second column body; the cylinder bore extends from the first end of the first cylinder to the second end of the second cylinder; the first oil groove and the third oil groove are arranged on the first cylinder at intervals; the second oil groove is arranged on the second cylinder body and arranged around the circumference of the second cylinder body.
Further, in the axial direction of the first cylinder, one end of the first oil groove extends to the first end of the first cylinder to form a first inlet, and the other end of the first oil groove extends to the second end of the first cylinder to form a first outlet; and/or, in the axial direction of the first cylinder, one end of the third oil groove extends to the first end of the first cylinder to form a second inlet, and the other end of the third oil groove extends to the second end of the first cylinder to form a second outlet.
Further, in the axial direction of the second cylinder, one end of the second oil groove extends to the first end of the second cylinder, and the other end of the second oil groove extends toward the second end of the second cylinder.
Further, the first oil groove is positioned above the second oil groove; and/or the third oil groove is positioned above the second oil groove.
Further, the oil path structure further includes: and the cylinder cover is arranged on the first base body to seal one end of the cylinder hole, and the oil outlet is arranged on the cylinder cover.
Further, the cylinder head comprises a cylinder head body and an oil blocking wall connected with the cylinder head body, wherein the cylinder head body is used for blocking one end of the cylinder hole; the oil blocking wall and the cylinder cover main body are arranged at intervals to form an oil passing channel, at least part of the oil blocking wall is positioned below the second oil groove, and the oil blocking wall is arranged around the circumference of the second oil groove; wherein, the oil outlet is communicated with the oil passage.
Further, the depths of the second oil grooves in the circumferential direction are all equal; and/or the widths of the second oil grooves in the axial direction of the second oil grooves are equal along the circumferential direction of the second oil grooves.
According to another aspect of the present invention, there is provided a compressor including an oil passage structure, wherein the oil passage structure is the above oil passage structure.
The oil way structure is suitable for the piston compressor and comprises a cylinder seat and an oil outlet, wherein a first seat body of the cylinder seat is provided with a cylinder hole for arranging a piston to reciprocate, and a second seat body of the cylinder seat is used for supporting a crankshaft so that the crankshaft can be rotatably arranged relative to the second seat body; the outer surface of the first seat body of the oil way structure is provided with a first oil groove and a second oil groove, the second oil groove surrounds the cylinder hole, and lubricating oil passing through the crankshaft sequentially passes through the first oil groove and the second oil groove and then flows out of the oil outlet. Like this, the setting of second oil groove has increased the heat radiating area of lubricating oil with first pedestal for the temperature of first pedestal reduces, also makes the temperature of the cylinder head of being connected with first pedestal and valve plate obtain reducing, thereby has reduced the heat transfer of high temperature spare part with the end refrigerant of breathing in, has promoted the inspiratory efficiency of compressor, makes compressor refrigerating output and performance all obtain promoting.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view showing an embodiment of an oil passage structure according to the present invention;
fig. 2 shows a partially enlarged view at B of the embodiment of the oil passage structure in fig. 1;
fig. 3 shows a partially enlarged view at a of the embodiment of the oil passage structure in fig. 1;
fig. 4 shows a schematic structural view of the crankshaft of the oil passage structure according to the present invention at an angular position of 0 °;
fig. 5 shows a schematic structural view of the crankshaft of the oil circuit structure according to the present invention at an angular position of 60 °;
fig. 6 shows a schematic structural view of a cylinder head of the oil passage structure according to the present invention.
Wherein the figures include the following reference numerals:
10. an oil outlet; 20. a cylinder block; 21. a first seat body; 211. a cylinder bore; 212. a first oil groove; 213. a second oil groove; 214. a third oil groove; 22. a second seat body; 23. a first column; 231. a first inlet; 232. a first outlet; 233. a second inlet; 234. a second outlet; 24. a second cylinder; 30. a crankshaft; 40. a cylinder head; 41. a cylinder head main body; 42. an oil retaining wall; 43. an oil passing channel; 50. an oil pump; 60. a rotor; 70. a connecting rod; 80. a muffler; 90. a first lube oil line; 100. a second lube oil line; 110. a valve plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The present invention provides an oil path structure, please refer to fig. 1 to 6, the oil path structure has an oil outlet 10, the oil path structure includes: a cylinder block 20 including a first block body 21 and a second block body 22 connected to the first block body 21, the first block body 21 having a cylinder bore 211 for disposing a piston; the second seat 22 is used for supporting the crankshaft 30; the first seat 21 is provided with a first oil groove 212 and a second oil groove 213 communicated with the first oil groove 212; the second oil groove 213 is provided around the cylinder bore 211; the first oil groove 212 is located between the crankshaft 30 and the second oil groove 213, so that the lubricating oil passing through the crankshaft 30 flows out from the oil outlet 10 after passing through the first oil groove 212 and the second oil groove 213 in sequence.
The oil circuit structure of the invention is suitable for the piston compressor, the oil circuit structure includes the cylinder block 20 and oil outlet 10, the first base 21 of the cylinder block 20 has the cylinder hole 211 used for setting the piston for the piston to make the reciprocating motion, the second base 22 of the cylinder block 20 is used for supporting the crankshaft 30, so as to make the crankshaft 30 set up rotatably relative to the second base 22; the outer surface of the first seat 21 of the oil passage structure is provided with a first oil groove 212 and a second oil groove 213, the second oil groove 213 is arranged around the cylinder hole 211, and the lubricating oil passing through the crankshaft 30 sequentially passes through the first oil groove 212 and the second oil groove 213 and then flows out from the oil outlet 10. Like this, the setting of second oil groove 213 has increased the heat radiating area of lubricating oil with first pedestal 21 for the temperature of first pedestal 21 reduces, also makes the temperature of the cylinder head 40 and the valve plate 110 of being connected with first pedestal 21 obtain reducing, thereby has reduced the heat transfer of high temperature spare part with the end refrigerant of breathing in, has promoted the efficiency of breathing in of compressor, makes compressor refrigerating output and performance all obtain promoting.
In this embodiment, the oil path structure further includes a third oil groove 214 communicated with the second oil groove 213, and the third oil groove 214 is disposed on the first seat 21 and spaced apart from the first oil groove 212. Such an arrangement may allow the lubricating oil passing through the crankshaft 30 to flow out of the oil outlet 10 after passing through the third oil groove 214 and the second oil groove 213 in sequence, so that the temperatures of the first seat 21, the cylinder head 40, and the valve plate 110 are reduced.
In specific implementation, a schematic diagram of an oil path structure when the crankshaft 30 is at an angular position of 0 ° is shown in fig. 4, and in the operation process of the piston compressor, the rotation motion of the crankshaft 30 is converted into the reciprocating motion of the piston through the action of the connecting rod 70, so that the rotation angle of the crankshaft 30 and the reciprocating linear motion of the piston are in one-to-one correspondence. In the present application, the initial rotation angle of the crankshaft corresponding to the position of the dead center of the piston in the cylinder bore 211 of the cylinder is defined to be 0 °. During the operation of the piston compressor, the lubricating oil in the oil sump enters the lateral oil outlet hole through the internal passage of the crankshaft 30 under the action of the oil pump 50 at the bottom of the crankshaft 30, then reaches the short shaft of the crankshaft 30 along the external spiral channel, and the lubricating oil reaching the short shaft is thrown out from the gap between the crankshaft 30 and the connecting rod 70 along the parabola under the action of the rotating centrifugal force of the crankshaft 30. When the crank shaft 30 rotates to the 0 ° angle position, the first lubricating oil wick 90 thrown from the top of the crank shaft 30 enters the first oil groove 212, then flows from the first oil groove 212 into the second oil groove 213, and the lubricating oil in the second oil groove 213 flows downward along the flow passage, as shown in fig. 2, and flows out from the lower end of the oil outlet 10 under the action of the oil blocking wall 42 at the lower end of the cylinder head 40, as shown in fig. 6. Because the second oil groove 213 is added to the first seat 21, the heat dissipation area of the lubricating oil and the cylinder is increased, so that the temperature of the first seat 21, the cylinder cover 40 and the valve plate 110 is reduced, the heat exchange between high-temperature components and a refrigerant at the air suction end is reduced, the air suction efficiency is improved, and the cold capacity and the performance of the compressor are improved.
In specific implementation, a schematic diagram of the oil path structure when the crankshaft 30 is at the 60 ° angle position is shown in fig. 5, when the crankshaft 30 is at the 60 ° angle position, an oil line of the lubricating oil thrown from the end of the crankshaft 30 is shifted along with the change of the angle, and at this time, the second lubricating oil line 100 thrown out enters the second oil groove 213 along the third oil groove 214, as shown in fig. 5. The lubricating oil in the interior of the second oil groove 213 flows down along the flow passage, as shown in fig. 3, and flows out from the upper end of the oil outlet 10 by the oil retaining wall 42 at the lower end of the cylinder head 40. The lubricating oil entering the second oil groove 213 cools the first seat 21, the cylinder head 40 and the valve plate 110, reduces the heat exchange between high-temperature components and a refrigerant at the air suction end, improves the air suction efficiency, and improves the cold capacity and performance of the compressor.
In this embodiment, the first seat 21 includes a first column 23 and a second column 24, the first column 23 has a first end and a second end opposite to each other along an axial direction thereof, the second column 24 has a third end and a fourth end opposite to each other along the axial direction thereof, the first end of the first column 23 is connected to the second seat 22, and the second end of the first column 23 is connected to the first end of the second column 24; the cylinder bore 211 extends from a first end of the first cylinder 23 to a second end of the second cylinder 24; the first oil groove 212 and the third oil groove 214 are arranged on the first cylinder 23 at intervals; the second oil groove 213 is provided on the second column 24 and is provided around the circumference of the second column 24. This arrangement allows circulation of the oil path, and allows the first cylinder 23 to dissipate heat via the first oil groove 212 and the third oil groove 214, and allows the second cylinder 24 to dissipate heat via the second oil groove 213.
Specifically, the second post 24 is a cylinder. The groove bottom of the second oil groove 213 is arc-shaped due to the arrangement, so that the lubricating oil can flow conveniently.
In the present embodiment, in the axial direction of the first cylinder 23, one end of the first oil groove 212 extends to the first end of the first cylinder 23 to form a first inlet 231, and the other end of the first oil groove 212 extends to the second end of the first cylinder 23 to form a first outlet 232; and/or, in the axial direction of the first cylinder 23, one end of the third oil groove 214 extends to the first end of the first cylinder 23 to form the second inlet 233, and the other end of the third oil groove 214 extends to the second end of the first cylinder 23 to form the second outlet 234. Such an arrangement facilitates the first oil sump 212 and the third oil sump 214 to receive and deliver lubrication oil.
In the present embodiment, in the axial direction of the second column 24, one end of the second oil groove 213 extends to the first end of the second column 24, and the other end of the second oil groove 213 extends toward the second end of the second column 24. That is, the second end of first cylinder 23 forms a partial wall of second oil channel 213, and the arrangement is such that the lubricant oil flowing out from first outlet 232 directly enters second oil channel 213 through the second end of first cylinder 23, and the lubricant oil flowing out from second outlet 234 directly enters second oil channel 213 through the second end of first cylinder 23, and the arrangement is such that the heat of first cylinder 23 can be dissipated through the second end of first cylinder 23.
In the present embodiment, the first oil groove 212 is located above the second oil groove 213; and/or the third oil groove 214 is positioned above the second oil groove 213. This arrangement allows the lubricating oil in first oil groove 212 and third oil groove 214 to flow into second oil groove 213.
In the present embodiment, the oil path structure further includes a cylinder head 40, the cylinder head 40 is covered on the first seat 21 to block one end of the cylinder bore 211, and the oil outlet 10 is provided on the cylinder head 40.
Specifically, the oil outlet 10 is a square mouth.
In the present embodiment, the cylinder head 40 includes a cylinder head body 41 and an oil baffle wall 42 connected to the cylinder head body 41, the cylinder head body 41 being used to block one end of the cylinder bore 211; the oil blocking wall 42 is arranged at a distance from the cylinder head body 41 to form the oil passing channel 43, at least part of the oil blocking wall 42 is positioned below the second oil groove 213, and the oil blocking wall 42 is arranged around the circumference of the second oil groove 213; wherein, the oil outlet 10 is communicated with the oil passage 43. The lubricating oil entering the cylinder head 40 flows under the diversion of the oil baffle wall 42 and flows out of the oil outlet 10 of the cylinder head 40 to form an oil circuit circulation.
Specifically, the oil deflector wall 42 is an arc-shaped plate. Such an arrangement facilitates the diversion of the lubricating oil.
In the present embodiment, the depths of the second oil grooves 213 in the circumferential direction thereof are all equal; and/or the widths of the second oil grooves 213 in the axial direction thereof are all equal in the circumferential direction of the second oil grooves 213. This arrangement provides a uniform heat dissipation effect to the cylinder block 20.
Specifically, the second oil groove 213 has a width L2 in its axial direction, as shown in fig. 1; wherein, the value range of L2 is 3< L2<10 mm. Such arrangement realizes a good heat dissipation effect on the basis of satisfying the function of the cylinder block 20.
Specifically, the depth of the second oil groove 213 ranges from 2 mm to 7.5 mm; the depth of the second oil groove 213 can also be represented by the outer diameter D of the first housing and the outer diameter D of the second oil groove 213, the depth of the second oil groove 213 is (D-D)/2, and D-D is 4-15mm, as shown in fig. 1. Such arrangement realizes a good heat dissipation effect on the basis of satisfying the function of the cylinder block 20.
Specifically, as shown in fig. 2, the first oil groove 212 is a rectangular groove, the width of the first oil groove 212 in the circumferential direction of the first seat 21 is b1, and the value range of b1 is 4-10 mm; the depth of the first oil groove 212 is h1, and the value range of h1 is 3-8 mm.
Specifically, the shape and size of the third oil groove 214 are the same as those of the first oil groove 212, that is, the third oil groove 214 is a rectangular groove, the width of the third oil groove 214 in the circumferential direction of the first seat 21 is b1, and the value range of b1 is 4-10 mm; the depth of the third oil groove 214 is h1, and the value range of h1 is 3-8 mm.
Specifically, the lubricating oil flowing out from the upper end and the lower end of the oil outlet 10 flows back to the oil pool, and oil circuit circulation is completed.
In the present embodiment, the oil path structure further includes a muffler 80, a rotor 60, and a valve plate 110, wherein the muffler 80 is used for silencing a suction-end pneumatic part.
The invention also provides a compressor, which comprises an oil circuit structure, wherein the oil circuit structure is the oil circuit structure in the embodiment.
The application solves the following technical problems: because the cylinder head (namely the cylinder block and the cylinder cover) of the piston compressor has small heat dissipation area, the partial high temperature of the cylinder head is caused to transfer heat with the air suction end, so that the refrigerant in the air suction section is seriously overheated, and the air suction efficiency is reduced.
The beneficial effect of this application: the problem of serious suction overheating of the compressor is solved, and the suction efficiency of the compressor is improved; the refrigerating capacity of the compressor is increased, and the performance of the compressor is improved.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the oil circuit structure of the invention is suitable for the piston compressor, the oil circuit structure includes the cylinder block 20 and oil outlet 10, the first base 21 of the cylinder block 20 has the cylinder hole 211 used for setting the piston for the piston to make the reciprocating motion, the second base 22 of the cylinder block 20 is used for supporting the crankshaft 30, so as to make the crankshaft 30 set up rotatably relative to the second base 22; the outer surface of the first seat 21 of the oil path structure is provided with a first oil groove 212 and a second oil groove 213, the second oil groove 213 surrounds the cylinder hole 211, and the lubricating oil passing through the crankshaft 30 sequentially passes through the first oil groove 212 and the second oil groove 213 and then flows out from the oil outlet 10. Like this, the setting of second oil groove 213 has increased the heat radiating area of lubricating oil with first pedestal 21 for the temperature of first pedestal 21 reduces, also makes the temperature of the cylinder head 40 and the valve plate 110 of being connected with first pedestal 21 obtain reducing, thereby has reduced the heat transfer of high temperature spare part with the end refrigerant of breathing in, has promoted the suction efficiency of compressor, makes compressor refrigeration capacity and performance all obtain promoting.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
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. An oil passage structure characterized by an oil outlet (10), comprising:
the cylinder seat (20) comprises a first seat body (21) and a second seat body (22) connected with the first seat body (21), and the first seat body (21) is provided with a cylinder hole (211) for arranging a piston; the second seat body (22) is used for supporting a crankshaft (30);
the first base body (21) is provided with a first oil groove (212) and a second oil groove (213) communicated with the first oil groove (212); the second oil groove (213) is provided around the cylinder bore (211); the first oil groove (212) is positioned between the crankshaft (30) and the second oil groove (213), so that lubricating oil passing through the crankshaft (30) sequentially passes through the first oil groove (212) and the second oil groove (213) and then flows out of the oil outlet (10);
a cylinder head (40) which is covered on the first seat body (21) to seal one end of the cylinder bore (211), the oil outlet (10) being provided on the cylinder head (40);
the cylinder head (40) comprises a cylinder head body (41) and an oil blocking wall (42) connected with the cylinder head body (41), wherein the cylinder head body (41) is used for blocking one end of the cylinder hole (211); the oil blocking wall (42) is arranged at a distance from the cylinder head body (41) to form an oil passing channel (43), at least part of the oil blocking wall (42) is positioned below the second oil groove (213), and the oil blocking wall (42) is arranged around the circumference of the second oil groove (213);
wherein the oil outlet (10) is communicated with the oil passage (43).
2. The oil passage structure according to claim 1, further comprising a third oil groove (214) communicating with the second oil groove (213), the third oil groove (214) being provided on the first seat (21) and spaced apart from the first oil groove (212).
3. The oil passage structure according to claim 2, wherein the first seat (21) includes a first cylinder (23) and a second cylinder (24), the first cylinder (23) having a first end and a second end that are disposed opposite to each other in an axial direction thereof, the second cylinder (24) having a third end and a fourth end that are disposed opposite to each other in an axial direction thereof, the first end of the first cylinder (23) being connected to the second seat (22), the second end of the first cylinder (23) being connected to the first end of the second cylinder (24); the cylinder bore (211) extending from a first end of the first cylinder (23) to a second end of the second cylinder (24);
the first oil groove (212) and the third oil groove (214) are arranged on the first cylinder (23) at intervals;
the second oil groove (213) is provided on the second cylinder (24) and disposed around the circumference of the second cylinder (24).
4. The oil passage structure according to claim 3, characterized in that in the axial direction of the first cylinder (23), one end of the first oil groove (212) extends to a first end of the first cylinder (23) to form a first inlet (231), and the other end of the first oil groove (212) extends to a second end of the first cylinder (23) to form a first outlet (232); and/or
In the axial direction of the first cylinder (23), one end of the third oil groove (214) extends to the first end of the first cylinder (23) to form a second inlet (233), and the other end of the third oil groove (214) extends to the second end of the first cylinder (23) to form a second outlet (234).
5. The oil passage structure according to claim 3, characterized in that one end of the second oil groove (213) extends to a first end of the second column body (24) in an axial direction of the second column body (24), and the other end of the second oil groove (213) extends toward a second end of the second column body (24).
6. The oil passage structure according to claim 2, wherein the first oil groove (212) is located above the second oil groove (213); and/or the third oil groove (214) is positioned above the second oil groove (213).
7. The oil passage structure according to any one of claims 1 to 6, characterized in that the depths of the second oil grooves (213) in the circumferential direction thereof are all equal; and/or
The widths of the second oil grooves (213) in the axial direction thereof are all equal in the circumferential direction of the second oil grooves (213).
8. A compressor comprising an oil passage structure, characterized in that the oil passage structure is as set forth in any one of claims 1 to 7.
CN202110218680.4A 2021-02-26 2021-02-26 Oil circuit structure and compressor with same Active CN112943581B (en)

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CN112943581B true CN112943581B (en) 2022-08-02

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CN114909272A (en) * 2022-04-13 2022-08-16 黄石东贝压缩机有限公司 Cylinder block for improving performance of compressor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005307795A (en) * 2004-04-20 2005-11-04 Matsushita Electric Ind Co Ltd Compressor
JP2013057283A (en) * 2011-09-08 2013-03-28 Panasonic Corp Hermetic compressor
CN204239180U (en) * 2014-11-07 2015-04-01 安徽美芝制冷设备有限公司 Piston compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005307795A (en) * 2004-04-20 2005-11-04 Matsushita Electric Ind Co Ltd Compressor
JP2013057283A (en) * 2011-09-08 2013-03-28 Panasonic Corp Hermetic compressor
CN204239180U (en) * 2014-11-07 2015-04-01 安徽美芝制冷设备有限公司 Piston compressor

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