CN114412781B - Scroll compressor and air conditioner - Google Patents
Scroll compressor and air conditioner Download PDFInfo
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- CN114412781B CN114412781B CN202210169595.8A CN202210169595A CN114412781B CN 114412781 B CN114412781 B CN 114412781B CN 202210169595 A CN202210169595 A CN 202210169595A CN 114412781 B CN114412781 B CN 114412781B
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- oil
- crankshaft
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- guiding structure
- passage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/023—Lubricant distribution through a hollow driving shaft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention belongs to the technical field of compressors and discloses a scroll compressor and an air conditioner, wherein the scroll compressor comprises a crankshaft, a crankshaft oil pool and an oil passing passage, and an oil guiding structure is arranged on the crankshaft; when the crankshaft rotates to the point that one end of the oil guiding structure is communicated with the crankshaft oil pool and the other end of the oil guiding structure is communicated with the oil passing passage, the oil guiding structure guides out lubricating oil in the crankshaft oil pool through the oil passing passage; the operating frequency of the scroll compressor is positively correlated with the frequency at which the oil introduction structure, the crankshaft oil sump and the oil passage are connected. In the process, as the operation frequency of the compressor is improved, the frequency of the oil guiding structure for communicating the oil tank of the crankshaft with the oil passing passage is increased, and the oil supply quantity is correspondingly increased; otherwise, the times are reduced, and the oil supply quantity is reduced; therefore, the invention can effectively meet the oil quantity requirements of the compressor under different frequencies, and the oil quantity is related to the operation frequency.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a scroll compressor and an air conditioner.
Background
The scroll compressor is widely applied to the field of air conditioners due to higher working efficiency, and in order to ensure stable and reliable operation of the scroll compressor, friction pairs among parts must be effectively lubricated. The existing compressor back pressure cavity is generally supplied with oil by adopting an oil through groove, and the principle is as follows: the back pressure cavity and the oil pool have pressure difference, the oil through groove is arranged at the separation point of high pressure and low pressure, lubricating oil enters the back pressure cavity in the low pressure area from the high pressure area through the oil through groove under the action of pressure, the oil quantity of the oil supply mode is only related to the pressure difference, and the different oil quantity requirements of the compressor under different frequencies cannot be met.
Disclosure of Invention
In view of this, the invention provides a scroll compressor and an air conditioner, in which an oil guiding structure is arranged on a crankshaft, and oil supply is connected and disconnected by means of rotation of the crankshaft, so that the operating frequency of the compressor is positively correlated with the oil supply frequency, and the problem of mismatching of the oil supply quantity and the frequency in the conventional technology is solved.
In order to solve the above problems, according to one aspect of the present application, an embodiment of the present invention provides a scroll compressor, which includes a crankshaft, a crankshaft oil sump, and an oil passing passage, wherein the crankshaft is provided with an oil guiding structure; when the crankshaft rotates to the point that one end of the oil guiding structure is communicated with the crankshaft oil pool and the other end of the oil guiding structure is communicated with the oil passing passage, the oil guiding structure guides out lubricating oil in the crankshaft oil pool through the oil passing passage; the operating frequency of the scroll compressor is positively correlated with the frequency at which the oil introduction structure, the crankshaft oil sump and the oil passage are connected.
In some embodiments, the oil guiding structure comprises a first collar arranged on a shaft shoulder of the crankshaft, a first oil passing notch is formed in the first collar, and the first oil passing notch is used for connecting an oil tank of the crankshaft with an oil passing passage in the rotation process of the crankshaft.
In some embodiments, a first seal is disposed between the first collar and an upper bracket of the compressor.
In some embodiments, the oil guiding structure comprises a first oil baffle plate sleeved on the shaft shoulder of the crankshaft, a second oil passing notch is formed in the first oil baffle plate, and the second oil passing notch is used for connecting the oil tank of the crankshaft with the oil passing passage in the rotating process of the crankshaft.
In some embodiments, the first oil baffle is in an interference fit with a shoulder of the crankshaft.
In some embodiments, a second seal is provided between the first oil baffle and the upper bracket of the compressor.
In some embodiments, the oil guiding structure comprises a second collar arranged on a shaft shoulder of the crankshaft, a first groove is arranged on the second collar, the oil guiding structure further comprises a first bracket oil groove arranged on the upper bracket, and the first bracket oil groove is communicated with the crankshaft oil pool;
in the process of crankshaft rotation, the first groove is communicated with the first bracket oil groove and guides lubricating oil in the first bracket oil groove into the first groove, and when the crankshaft rotates to the state that the first groove is communicated with the oil passing passage, the oil passing passage guides out the lubricating oil in the first groove.
In some embodiments, the oil guiding structure comprises a second oil baffle plate arranged on the shaft shoulder of the crankshaft, a second groove is arranged on the second oil baffle plate, the oil guiding structure further comprises a second bracket oil groove arranged on the upper bracket, and the second bracket oil groove is communicated with the crankshaft oil pool;
in the process of crankshaft rotation, the second groove is communicated with the second bracket oil groove and guides lubricating oil in the second bracket oil groove into the second groove, and when the crankshaft rotates to the state that the second groove is communicated with the oil passing passage, the oil passing passage guides out the lubricating oil in the second groove.
In some embodiments, the oil passage includes a first radial passage having one end in communication with the oil introduction structure and the other end in communication with the first axial passage, and a first axial passage in communication with the back pressure chamber of the compressor.
In some embodiments, the oil passage includes a second radial passage, a third radial passage, and a third axial passage, the second radial passage being connected with the second radial passage, the third radial passage, and the third axial passage in this order, the third axial passage being connected with a contact surface of the orbiting scroll and the upper bracket of the compressor, or the third axial passage being connected with end surfaces of the orbiting scroll and the fixed scroll.
According to another aspect of the present application, an embodiment of the present invention provides an air conditioner including the above-described scroll compressor.
Compared with the prior art, the scroll compressor has at least the following beneficial effects:
an oil guiding structure is arranged on the crankshaft, and the oil guiding structure communicates an oil pool of the crankshaft with an oil passing passage once when the crankshaft rotates for each circle, and the oil guiding structure guides lubricating oil in the oil pool of the crankshaft out through the oil passing passage and is used for providing lubrication for friction pairs among all parts of the compressor; in the process, along with the improvement of the operation frequency of the compressor, the oil guiding structure increases the number of times of communicating the crankshaft oil pool with the oil passing passage in the same time, and the oil supply quantity is correspondingly increased; otherwise, the times are reduced, and the oil supply quantity is reduced; therefore, the invention can effectively meet the oil quantity requirements of the compressor under different frequencies, and can synchronously cover the high-frequency oil quantity requirements by correlating the oil quantity with the operating frequency, and the oil supply is less when the operating frequency is low and more when the operating frequency is high; therefore, the invention realizes the matching of the oil supply quantity and the running frequency of the compressor, avoids the problem of dry grinding caused by insufficient oil supply, and simultaneously avoids the problem of refrigeration capacity reduction caused by overlarge lubricating oil quantity.
On the other hand, the air conditioner provided by the invention is designed based on the scroll compressor, and the beneficial effects of the scroll compressor are referred to herein, and are not repeated herein.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a partial cross-sectional view of a scroll compressor provided in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a crankshaft in a scroll compressor according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a scroll compressor in another direction of a crankshaft provided in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an upper housing in a scroll compressor according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an alternative orientation of an upper bracket in a scroll compressor according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of another construction of a scroll compressor provided in accordance with an embodiment of the present invention;
FIG. 7 is a cross-sectional view of another construction of a scroll compressor provided in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view of another construction of a scroll compressor provided in accordance with an embodiment of the present invention;
FIG. 9 is a cross-sectional view of another construction of a scroll compressor provided in accordance with an embodiment of the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 9 at A;
FIG. 11 is a cross-sectional view taken in the direction B-B in FIG. 9;
fig. 12 is an enlarged view of a first bracket oil sump in a scroll compressor assembly according to an embodiment of the present invention.
Wherein: 1. a crankshaft; 2. a crankshaft oil pool; 3. an oil passage; 4. an upper bracket; 5. a back pressure chamber; 6. an orbiting scroll; 7. a fixed scroll; 11. an oil guiding structure; 31. a first radial passage; 32. a first axial passage; 111. a first collar; 112. a first oil passing notch; 301. a second radial passage; 302. a second axial passage; 303. a third radial passage; 304. a third axial passage; 1101. a first oil baffle; 1102. a second oil passing notch; 11001. a second collar; 11002. a first groove; 11003. and the first bracket oil groove.
Detailed Description
In order to further describe the technical means and effects adopted for achieving the preset aim of the invention, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
In the description of the present invention, it should be clearly understood that terms such as "vertical", "horizontal", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of describing the present invention, and do not mean that the apparatus or element referred to must have a specific orientation or position, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
The embodiment provides a scroll compressor, as shown in fig. 1, the scroll compressor comprises a crankshaft 1, a crankshaft oil sump 2 and an oil passing passage 3, wherein an oil guiding structure 11 is arranged on the crankshaft 1; when the crankshaft 1 rotates until one end of the oil guiding structure 11 is communicated with the crankshaft oil pool 2 and the other end of the oil guiding structure is communicated with the oil passing passage 3, the oil guiding structure 11 guides out lubricating oil in the crankshaft oil pool 2 through the oil passing passage 3; the operating frequency of the scroll compressor is positively correlated with the frequency at which the oil introduction structure 11, the crank oil sump 2, and the oil passage 3 are connected.
Thus, by adopting the structure, the oil guiding structure 11 is arranged on the crankshaft 1, and the oil guiding structure 11 communicates the crankshaft oil sump 2 with the oil passing passage 3 once when the crankshaft 1 rotates once, and the oil guiding structure 11 guides the lubricating oil in the crankshaft oil sump 2 out of the oil passing passage 3 to lubricate friction pairs among all parts of the compressor; in the process, as the operation frequency of the compressor is increased, the number of times that the oil guiding structure 11 communicates the crank oil tank 2 with the oil passing passage 3 is increased in the same time, and the oil supply quantity is correspondingly increased; otherwise, the times are reduced, and the oil supply quantity is reduced; therefore, the embodiment can effectively meet the oil quantity requirements of the compressor under different frequencies, and can synchronously cover the high-frequency oil quantity requirements by correlating the oil quantity with the operating frequency, and the oil supply is less when the operating frequency is low and more when the operating frequency is high; therefore, the invention realizes the matching of the oil supply quantity and the running frequency of the compressor, avoids the problem of dry grinding caused by insufficient oil supply, and simultaneously avoids the problem of refrigeration capacity reduction caused by overlarge lubricating oil quantity.
The scroll compressor provided by the embodiment further comprises an movable scroll 6, a fixed scroll 7, an upper bracket 4, a back pressure cavity 5 and the like, wherein the movable scroll 6 and the fixed scroll 7 are core components of the scroll compressor and are used for compressing gas; the upper bracket 4 is mainly used for supporting a shafting and the movable vortex plate 6, so that the rigidity of the whole machine is improved; the back pressure cavity 5 is arranged between the movable scroll 6 and the upper bracket 4, and the main purpose is that when the movable scroll 6 and the fixed scroll 7 compress gas, the compressed gas has an axial force, and no corresponding balance force is balanced, so that the back pressure cavity 5 is increased to ensure the stability of the movable scroll 6, the back pressure cavity 5 has the function of providing lubricating oil besides increasing the back pressure, the back pressure cavity 5 is positioned between a pump body and the crankshaft oil sump 2, and the lubricating oil flows from the crankshaft oil sump 2 to the back pressure cavity 5 and then to the pump body, so that all contact parts have good lubricating effects; the crankshaft 1 is a power transmission component of the whole machine, and the operating frequency of the crankshaft 1 is the operating frequency of the compressor; the crank oil sump 2 is located between the upper bracket 4, the movable scroll 6 and the crank shaft 1, and mainly provides a lubrication oil reservoir for supplying sufficient lubrication oil to the back pressure chamber 5 while lubricating the bearings.
In a specific embodiment, the oil guiding structure 11 has the following four different structural forms:
first kind: as shown in fig. 2 and 3, the oil guiding structure 11 includes a first collar 111 disposed on a shoulder of the crankshaft 1, and a first oil passing gap 112 is formed on the first collar 111, and the first oil passing gap 112 connects the crankshaft oil sump 2 and the oil passing passage 3 during rotation of the crankshaft 1.
Thus, in the process of rotating the crankshaft 1, after the first oil passing notch 112 connects the crankshaft oil sump 2 and the oil passing passage 3, the lubricating oil in the crankshaft oil sump 2 is led out through the first oil passing notch 112 and the oil passing passage 3, and the led-out position can be any position where the compressor is easy to wear, for example, the lubricating oil can be led into the back pressure cavity 5, the lubricating oil can be led to the contact surface of the movable scroll 6 and the upper bracket 4, and the lubricating oil can be led to the end surfaces of the movable scroll 6 and the fixed scroll 7. However, no matter what part is specifically used as the position of the seed drainage, as the crankshaft 1 rotates once, the first oil passing notch 112 connects the crankshaft oil sump 2 and the oil passing passage 3 once, that is to say, the oil supply quantity is matched with the frequency of the crankshaft 1, that is, the operating frequency of the compressor, so that the problem of dry grinding caused by insufficient oil supply is avoided, and meanwhile, the problem of refrigeration capacity reduction caused by overlarge oil quantity of lubricating oil is also avoided, so that the oil supply quantity is matched with the operating frequency of the compressor.
In addition, a first sealing structure is provided between the first collar 111 and the upper bracket 4 of the compressor, and the form of the first sealing structure is not particularly limited, and may be a sealing ring or a gasket, etc., mainly used for avoiding friction between the first collar 111 and the upper bracket 4 of the compressor.
Second, as shown in fig. 8, the oil guiding structure 11 includes a first oil baffle 1101 sleeved on a shaft shoulder of the crankshaft 1, a second oil passing notch 1102 is formed on the first oil baffle 1101, and the second oil passing notch 1102 connects the crankshaft oil sump 2 and the oil passing passage 3 in the rotation process of the crankshaft 1; the first oil baffle 1101 is in interference fit with the shoulder of the crankshaft 1.
Compared with the oil guiding structure 11 with the first structural form, the oil guiding structure 11 is provided with the first oil baffle 1101, the first oil baffle 1101 is provided with the second oil passing notch 1102, the crank oil tank 2 and the oil passing passage 3 are communicated through the second oil passing notch 1102, and the oil guiding structure 11 provided by the embodiment does not need to directly provide a notch on the crank shaft 1, only the crank shaft 1 and the first oil baffle 1101 are required to be independently processed, so that the oil guiding structure has the advantage of simple processing.
In addition, a second sealing structure is disposed between the first oil baffle 1101 and the upper bracket 4 of the compressor, and the form of the second sealing structure is not particularly limited, and may be a sealing ring or a sealing gasket, etc., mainly used for avoiding friction between the first oil baffle 1101 and the upper bracket 4 of the compressor.
9-11, the oil guiding structure 11 comprises a second shaft ring 11001 arranged on the shaft shoulder of the crankshaft 1, a first groove 11002 is arranged on the second shaft ring 11001, the oil guiding structure 11 further comprises a first bracket oil groove 11003 arranged on the upper bracket 4, and the first bracket oil groove 11003 is communicated with the crankshaft oil sump 2; specifically, the first recess 11002 has a closed, hollow, small hole structure.
With the above structure, in the process of rotation of the crankshaft 1, the first groove 11002 communicates with the first bracket oil groove 11003 and drains the lubricating oil in the first bracket oil groove 11003 into the first groove 11002, and when the crankshaft 1 rotates until the first groove 11002 communicates with the oil passage 3, the oil passage 3 leads out the lubricating oil in the first groove 11002. That is to say: during rotation of the crankshaft 1, when the first groove 11002 moves to the first bracket oil groove 11003, the first groove 11002 stores oil; when the first groove 11002 in which the lubricating oil is present runs to the oil passage 3, the oil passage 3 leads out the lubricating oil in the first groove 11002; the specific position of the extraction may be different, for example, the lubricating oil stored in the first groove 11002 flows into the back pressure chamber 5 through the oil passage 3 under the self-oil pressure, and sufficient lubricating oil is supplied to the compressor pump body.
Fourth, the oil guiding structure 11 comprises a second oil baffle plate arranged on the shaft shoulder of the crankshaft 1, a second groove is formed in the second oil baffle plate, the oil guiding structure 11 further comprises a second bracket oil groove formed in the upper bracket, and the second bracket oil groove is communicated with the crankshaft oil pool; specifically, the second groove is of a small hole structure which is closed up and down and hollow.
After adopting above-mentioned structure, at the rotatory in-process of bent axle 1, second recess and second support oil groove intercommunication and with the lubricating oil drainage in the second support oil groove to the second recess in, when bent axle 1 rotated to second recess and oil through passageway 3 intercommunication, oil through passageway 3 draws forth the lubricating oil in the second recess. That is to say: during the rotation of the crankshaft 1, when the second groove runs to the oil groove of the second bracket, the second groove stores oil; when the second groove with the lubricating oil runs to the oil passing passage 3, the oil passing passage 3 leads out the lubricating oil in the second groove; the specific positions of the extraction may be different, for example, the lubricating oil stored in the second groove flows to the end surfaces of the movable scroll 6 and the fixed scroll 7 through the oil passing passage 3 under the action of the self oil pressure to lubricate the movable scroll 6 and the fixed scroll 7.
In the specific embodiment, the oil passage 3 has a plurality of different structures, and the different structures mainly depend on the specific positions of friction pairs needing lubrication, and the following two specific structures of the oil passage 3 are described as follows:
first, as shown in fig. 1, 4 and 8, the oil passage 3 includes a first radial passage 31 and a first axial passage 32, one end of the first radial passage 31 communicates with the oil introduction structure 11, the other end communicates with the first axial passage 32, and the first axial passage 32 communicates with the back pressure chamber 5 of the compressor.
Naturally, the inclined channels may also be provided, but for the feasibility of machining, they are generally provided as straight channels, in particular the first radial channels 31 are channels provided radially along the compressor, and the first axial channels 32 are channels provided axially along the compressor.
Second, as shown in fig. 6, the oil passage 3 includes a second radial passage 301, a second axial passage 302, a third radial passage 303, and a third axial passage 304, the second radial passage 301 is connected to the second axial passage 302, the third radial passage 303, and the third axial passage 304 in this order, and the third axial passage 304 is connected to the contact surface of the orbiting scroll 6 and the upper frame 4 of the compressor, or the third axial passage 304 is connected to the end surfaces of the orbiting scroll 6 and the fixed scroll 7.
Specifically, when it is necessary to lubricate the contact surface between the movable scroll 6 and the upper bracket 4, the outlet of the third axial passage 304 is located at the contact surface between the movable scroll 6 and the upper bracket 4, and the lubricating oil sequentially passes through the second radial passage 301, the second axial passage 302, the third radial passage 303 and the third axial passage 304 to reach the contact surface between the movable scroll 6 and the upper bracket 4, so as to lubricate the same; when it is necessary to lubricate the end surfaces of the movable scroll 6 and the fixed scroll 7, the outlet of the third axial passage 304 is located at the end surfaces of the movable scroll 6 and the fixed scroll 7, and the lubricating oil sequentially passes through the second radial passage 301, the second axial passage 302, the third radial passage 303, and the third axial passage 304 to reach the end surfaces of the movable scroll 6 and the fixed scroll 7, thereby providing lubrication thereto.
In the scroll compressor provided in this embodiment, the amount of oil supplied to the back pressure chamber or any friction pair increases as the compressor operating frequency increases; on the contrary, along with the reduction of the operation frequency of the compressor, the oil supply quantity is reduced, so that the scroll compressor can effectively meet the oil quantity requirements of the compressor under different frequencies.
Example 2
The present embodiment provides an air conditioner including the scroll compressor of embodiment 1.
In summary, it is easily understood by those skilled in the art that the above-mentioned advantageous features can be freely combined and overlapped without conflict.
The above is only a preferred embodiment of the present invention, and the present invention is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiment according to the technical substance of the present invention still falls within the scope of the technical solution of the present invention.
Claims (11)
1. The scroll compressor is characterized by comprising a crankshaft (1), a crankshaft oil pool (2) and an oil passing passage (3), wherein an oil guiding structure (11) is arranged on the crankshaft (1); when the crankshaft (1) rotates to the point that one end of the oil guiding structure (11) is communicated with the crankshaft oil pool (2) and the other end of the oil guiding structure is communicated with the oil passing passage (3), the oil guiding structure (11) guides out lubricating oil in the crankshaft oil pool (2) through the oil passing passage (3); the operating frequency of the scroll compressor is positively correlated with the frequency at which the oil guiding structure (11), the crankshaft oil sump (2) and the oil passing passage (3) are communicated.
2. The scroll compressor according to claim 1, wherein the oil guiding structure (11) comprises a first collar (111) arranged on a shaft shoulder of the crankshaft (1), a first oil passing notch (112) is formed in the first collar (111), and the first oil passing notch (112) connects the crankshaft oil sump (2) and the oil passing passage (3) in the rotation process of the crankshaft (1).
3. A scroll compressor according to claim 2, wherein a first sealing arrangement is provided between the first collar (111) and the upper bracket (4) of the compressor.
4. The scroll compressor according to claim 1, wherein the oil guiding structure (11) comprises a first oil baffle plate (1101) sleeved on a shaft shoulder of the crankshaft (1), a second oil passing notch (1102) is formed in the first oil baffle plate (1101), and the second oil passing notch (1102) is used for connecting the crankshaft oil sump (2) and the oil passing passage (3) in the rotation process of the crankshaft (1).
5. The scroll compressor of claim 4, wherein the first oil baffle (1101) is in interference fit with a shoulder of the crankshaft (1).
6. A scroll compressor according to claim 4, wherein a second sealing arrangement is provided between the first oil baffle (1101) and the upper bracket (4) of the compressor.
7. The scroll compressor according to claim 1, wherein the oil guiding structure (11) comprises a second collar (11001) arranged on a shaft shoulder of the crankshaft (1), a first groove (11002) is arranged on the second collar (11001), the oil guiding structure (11) further comprises a first bracket oil groove (11003) arranged on the upper bracket (4), and the first bracket oil groove (11003) is communicated with the crankshaft oil pool (2);
during rotation of the crankshaft (1), the first groove (11002) is communicated with the first bracket oil groove (11003) and drains lubricating oil in the first bracket oil groove (11003) into the first groove (11002), and when the crankshaft (1) rotates until the first groove (11002) is communicated with the oil passing passage (3), the oil passing passage (3) leads out the lubricating oil in the first groove (11002).
8. The scroll compressor according to claim 1, wherein the oil guiding structure (11) comprises a second oil baffle plate arranged on a shaft shoulder of the crankshaft (1), a second groove is arranged on the second oil baffle plate, the oil guiding structure (11) further comprises a second bracket oil groove arranged on an upper bracket, and the second bracket oil groove is communicated with the crankshaft oil pool;
in the rotating process of the crankshaft (1), the second groove is communicated with the second bracket oil groove and drains lubricating oil in the second bracket oil groove into the second groove, and when the crankshaft (1) rotates until the second groove is communicated with the oil passing passage (3), the oil passing passage (3) leads out the lubricating oil in the second groove.
9. A scroll compressor according to any one of claims 1-8, wherein the oil passage (3) comprises a first radial channel (31) and a first axial channel (32), one end of the first radial channel (31) being in communication with the oil guiding structure (11) and the other end being in communication with the first axial channel (32), the first axial channel (32) being in communication with the back pressure chamber (5) of the compressor.
10. A scroll compressor according to any one of claims 1-8, wherein the oil passage (3) comprises a second radial channel (301), a second radial channel (302), a third radial channel (303) and a third axial channel (304), the second radial channel (301) being in turn connected to the second axial channel (302), the third radial channel (303) and the third axial channel (304), the third axial channel (304) being connected to the contact surface of the orbiting scroll (6) and the upper bracket (4) of the compressor or the third axial channel (304) being connected to the end surfaces of the orbiting scroll (6) and the fixed scroll (7).
11. An air conditioner comprising the scroll compressor of any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210169595.8A CN114412781B (en) | 2022-02-23 | 2022-02-23 | Scroll compressor and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210169595.8A CN114412781B (en) | 2022-02-23 | 2022-02-23 | Scroll compressor and air conditioner |
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| CN114412781A CN114412781A (en) | 2022-04-29 |
| CN114412781B true CN114412781B (en) | 2023-07-28 |
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| CN202210169595.8A Active CN114412781B (en) | 2022-02-23 | 2022-02-23 | Scroll compressor and air conditioner |
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| CN114962270B (en) * | 2022-06-24 | 2023-08-29 | 珠海凌达压缩机有限公司 | Compressor and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JP5178668B2 (en) * | 2009-09-11 | 2013-04-10 | 日立アプライアンス株式会社 | Scroll compressor |
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| CN114412781A (en) | 2022-04-29 |
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