CN218118046U - Bearing for compressor, compressor and temperature adjusting system - Google Patents

Bearing for compressor, compressor and temperature adjusting system Download PDF

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Publication number
CN218118046U
CN218118046U CN202221929565.4U CN202221929565U CN218118046U CN 218118046 U CN218118046 U CN 218118046U CN 202221929565 U CN202221929565 U CN 202221929565U CN 218118046 U CN218118046 U CN 218118046U
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groove
oil
cylinder
piston
compressor
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雒应学
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Guangzhou Deshan Cnc Technology Co ltd
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Guangzhou Deshan Cnc Technology Co ltd
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Abstract

The utility model relates to a bearing, compressor and temperature regulation system for compressor, this bearing for compressor includes the bearing body, be provided with the oil guide groove on the bearing body, the projection of oil guide groove in the axial direction coincides with partial cylinder and/or partial gleitbretter, and the lubricating oil that is located on the outside piston is thrown to on cylinder and/or gleitbretter through the oil guide groove under the effect of centrifugal force; the bearing, the compressor and the temperature adjusting system for the compressor can improve the sealing performance of the compressor and reduce the leakage amount of high-pressure refrigerant outside the compression cavity, so that the energy efficiency ratio is effectively improved.

Description

Bearing for compressor, compressor and temperature adjusting system
Technical Field
The utility model relates to a compressor field, in particular to bearing, compressor and temperature regulation system for compressor.
Background
In the refrigeration compressor industry, the rotor type compressor keeps absolute market advantages under various favorable conditions of simple structure, longer service life, mature processing technology and the like. With the improvement of the productivity level, whether the raw material, the processing equipment or the production capacity can ensure that the parts of the compressor are produced in batches and have higher processing precision, but the leakage problem and the clearance problem inside the compressor are limited by the traditional structure, so that the further improvement of the energy efficiency of the rotor compressor is restricted and is an important obstacle.
All assemble with the face and the position relation of face looks laminating between main bearing, cylinder, auxiliary bearing, bent axle/piston and each part of gleitbretter in traditional rotary compressor pump body structure, according to the function different or relatively fixed: such as the cylinder and the main and auxiliary bearings, or relative movement: for example, the sliding sheet, the air cylinder and the main and auxiliary bearings, the pump body structure can effectively operate due to good processing precision, but when the refrigerant is compressed, the high pressure and temperature enable a part of high-pressure refrigerant to leak into other spaces except the compression cavity through the tiny gaps of the matching surfaces to produce useless work, and the energy efficiency ratio is reduced.
SUMMERY OF THE UTILITY MODEL
Based on prior art not enough, the utility model provides a can improve bearing, compressor and temperature regulation system for compressor of energy efficiency ratio.
The embodiment of the utility model provides a bearing for compressor, including the bearing body, be provided with on the bearing body and lead the oil groove, lead the oil groove and pass through under the effect of centrifugal force at axial direction's projection and partial cylinder and/or partial gleitbretter coincidence, the lubricating oil that is located on the outside piston lead the oil groove and be got rid of extremely on cylinder and/or the gleitbretter.
Preferably, the oil guide groove comprises a low-pressure side oil guide groove, when the bearing is assembled with an external cylinder, the low-pressure side oil guide groove is positioned on the low-pressure side of the sliding vane, and the projection of the low-pressure side oil guide groove in the axial direction is overlapped with an oil groove on the upper end surface of the cylinder; and/or the presence of a gas in the gas,
the oil guide groove comprises a high-pressure side oil guide groove, when the bearing is assembled with an external cylinder, the high-pressure side oil guide groove is positioned on the high-pressure side of the sliding sheet, and the projection of the high-pressure side oil guide groove in the axial direction is overlapped with an oil groove in the upper end face of the cylinder.
Preferably, the depth of the oil guide groove is 0.1mm-0.2mm or 0.2mm-0.25mm or 0.25mm-0.5mm or 0.5mm-0.8mm or 0.8mm-1mm; or,
the ratio of the thickness of the wall where the oil groove is located to the depth of the oil groove is 6-30.
Preferably, the bearing is a main bearing, and when in use, the bearing is arranged at the upper part of the cylinder, a bearing groove is formed on the main bearing, an oil guide through hole is arranged on the bottom wall of the main bearing, and the bearing groove is communicated with the space at the lower part of the bottom wall through the oil guide through hole.
Preferably, the bearing is an auxiliary bearing, and a high-pressure air inlet groove and a low-pressure air outlet groove are formed in the auxiliary bearing; when the bearing is assembled with an external cylinder, the bearing is positioned below the external cylinder, and the projection of the high-pressure leading-in air groove in the axial direction is positioned on the high-pressure side of the cylinder and between the slide sheet groove and the air outlet of the cylinder; the projection of the low-pressure gas outlet groove in the axial direction is positioned on the low-pressure side of the cylinder and is positioned at the downstream of the gas inlet of the cylinder; when the external eccentric piston rotates to a first specific position, the high-pressure gas guide groove communicates the transition cavity on the eccentric piston with the high-pressure cavity, and when the eccentric piston rotates to a second specific position, the low-pressure gas guide groove communicates the transition cavity with the low-pressure cavity; and/or the presence of a gas in the gas,
and an auxiliary bearing oil guide groove is arranged on the auxiliary bearing, and the projection of the auxiliary bearing oil guide groove in the axial direction of the auxiliary bearing oil guide groove is positioned on the piston and the cylinder.
The invention also provides a compressor, which comprises a rotating shaft assembly, a sliding vane, a cylinder, a main bearing, an auxiliary bearing and a shell, wherein the main bearing is the main bearing, the rotating shaft assembly penetrates through the cylinder, the main bearing and the auxiliary bearing, the main bearing is positioned at the upper part of the cylinder, and the auxiliary bearing is positioned at the lower part of the cylinder; the pivot subassembly includes pivot and piston, the pivot with piston fixed connection, be formed with the cavity in the pivot, the lower extreme of cavity is provided with the opening, be formed with the oil bath in the shell, the opening is located in the oil bath, be provided with first oil outlet in the pivot, first oil outlet with the cavity is linked together, along with the rotation of pivot subassembly, follows lubricating oil that first oil outlet came out falls the upper surface of piston, the rethread lead the oil groove and be shifted to on cylinder and/or the gleitbretter.
Preferably, a piston upper end surface and a piston lower end surface are formed at two ends of the piston body, and the first oil outlet hole is arranged close to the piston upper end surface; and when the helical blade rotates along with the rotating shaft, the lubricating oil in the oil pool is brought into the cavity and thrown out of the first oil outlet, and the lubricating oil coming out of the first oil outlet falls on the upper end face of the piston.
Preferably, a first oil groove is formed on the upper end surface of the piston, the first oil groove comprises a first annular groove, a first connecting groove and a first storage groove, the first annular groove surrounds the shaft hole, and the inner side of the first annular groove penetrates through the side wall of the shaft hole; one end of the first connecting groove is communicated with the first annular groove, and the other end of the first connecting groove is communicated with the first storage groove.
Preferably, the first communicating groove is located on and extends along a maximum radius of the eccentric piston; or the first connecting groove is arranged close to the maximum radius of the eccentric piston;
at least one end of the first reserve tank is connected to the communication groove, and the first reserve tank extends toward the low pressure side of the eccentric piston.
Preferably, a third oil outlet is formed in the rotating shaft and located in the lower portion of the piston, a second oil groove is formed in the lower end face of the piston, at least part of lubricating oil thrown out of the third oil outlet is gathered in the second oil groove, the second oil groove comprises a second annular groove, a second communicating groove and a second storage groove, the second annular groove is communicated with the first annular groove, one end of the second communicating groove is communicated with the second annular groove, and the other end of the second communicating groove is communicated with the second storage groove.
Preferably, a gap is formed on the peripheral side of the first oil outlet, so that a gap is formed when the rotating shaft is matched with an external part; or,
the diameter of a part of rotating shaft between the upper part of the first oil outlet hole and the upper end face of the piston is larger than that of the upper part of the first oil outlet hole.
Preferably, a spiral blade is fixed in the cavity of the rotating shaft, and an oil guide through hole is formed in the bottom wall of the main bearing; the pivot oil outlet still includes the second oil outlet, the second oil outlet is located the top of pivot, helical blade follows during the pivot rotates, will be located lubricating oil in the oil bath is taken to in the cavity, and follow the second oil outlet throws away and falls in the main bearing, lubricating oil passes through lead the oil through-hole and enter into the main bearing with between the cylinder.
Preferably, the gleitbretter includes the gleitbretter body, the side of gleitbretter body is provided with the roller groove, the up end of gleitbretter body is provided with the gleitbretter oil groove, the one end of going up the gleitbretter oil groove to a side of gleitbretter body extends, and runs through this side.
Preferably, the upper sliding vane oil groove comprises a first upper sliding vane oil groove and a second upper sliding vane oil groove, and one end of the first upper sliding vane oil groove extends to one side face of the sliding vane body and penetrates through the side face; the first upper sliding sheet oil groove is communicated with the second upper sliding sheet oil groove, and one end of the second upper sliding sheet oil groove penetrates through the side wall of the roller groove and is communicated with the roller groove.
Preferably, the lower end surface of the sliding vane body is also provided with a lower sliding vane oil groove, the lower sliding vane oil groove comprises a first lower sliding vane oil groove and a second lower sliding vane oil groove, and one end of the first lower sliding vane oil groove extends to one side surface of the sliding vane body and penetrates through the side surface; the first lower sliding sheet oil groove is communicated with the second lower sliding sheet oil groove; the first upper sliding sheet oil groove and the first lower sliding sheet oil groove are both communicated with the low-pressure side of the sliding sheet body; or,
the transverse section of the roller groove is arc-shaped, a first roller groove end surface and a second roller groove end surface are formed at two ends of the roller groove respectively, the first roller groove end surface is close to the low-pressure side of the cylinder, and the second roller groove end surface is close to the high-pressure side of the roller groove; the second roller groove end face protrudes beyond the first roller groove end face.
Preferably, the cylinder includes the cylinder body, the compression chamber has been seted up on the cylinder body, still set up slide groove and cylinder up end oil groove on the cylinder body, the slide groove with the compression chamber is linked together, cylinder up end oil groove is located on the up end of cylinder, cylinder up end oil groove run through the lateral wall in slide groove, and with slide groove intercommunication.
Preferably, the cylinder up end oil groove encircles the setting of compression chamber, be provided with the intercommunication breach on the upper portion lateral wall in slide groove, the intercommunication breach with cylinder up end oil groove intercommunication.
Preferably, the cylinder up end oil groove includes first cylinder up end oil groove and second cylinder up end oil groove, first cylinder up end oil groove runs through a lateral wall in slide groove, second cylinder up end oil groove runs through another lateral wall in slide groove, first cylinder up end oil groove with second cylinder up end oil groove does not communicate.
Preferably, the cylinder upper end surface oil groove extends along the edge of the compression cavity; or, part of the oil groove on the upper end surface of the cylinder extends along the edge of the compression cavity.
Preferably, the lower terminal surface of cylinder is provided with terminal surface oil groove under the cylinder, at least the one end of cylinder up end oil groove runs through one of them lateral wall in slide groove, at least the one end of terminal surface oil groove runs through under the cylinder one lateral wall in slide groove.
Preferably, the cylinder further comprises a middle partition plate, the cylinder body comprises an upper cylinder body and a lower cylinder body, the piston comprises an upper piston and a lower piston, the middle partition plate is located between the upper cylinder body and the lower cylinder body, the upper piston is located in a compression cavity of the upper cylinder body, and the lower piston is located in a compression cavity of the lower cylinder body; the first oil outlet hole comprises an upper oil outlet hole and a lower oil outlet hole, lubricating oil thrown out of the upper oil outlet hole falls on the upper end face of the upper piston, and lubricating oil thrown out of the lower oil outlet hole falls on the upper end face of the lower piston; the middle partition plate is provided with a middle partition plate oil guide groove, the middle partition plate oil guide groove is overlapped with part of the lower piston in the projection of the axial direction and is also overlapped with part of the lower cylinder body and/or part of the lower sliding sheet, and lubricating oil coming out of the lower piston is thrown to the lower cylinder body and/or the lower sliding sheet through the middle partition plate oil guide groove under the action of centrifugal force.
Preferably, a cylinder longitudinal oil groove is formed in the side wall of the sliding sheet groove, and one end of the cylinder longitudinal oil groove is communicated with the cylinder upper end face oil groove.
Preferably, the oil outlet holes of the rotating shaft include a first oil outlet hole, a first oil path is formed in the compressor, and the first oil path sequentially includes the first oil outlet hole located on the rotating shaft, a first oil groove located on the piston, and an oil guide groove located on the main shaft; the first oil way further comprises an oil groove which is communicated with the oil guide groove and is positioned on the upper end face of the cylinder on the cylinder and an oil groove which is positioned on the upper sliding piece on the sliding piece.
Preferably, the oil outlet of the rotating shaft comprises a second oil outlet, a second oil path is formed in the compressor, and the second oil path comprises a second oil outlet located on the rotating shaft and an oil guide through hole located on the main bearing.
Preferably, the oil outlet of the rotating shaft comprises a third oil outlet, a third oil path is formed in the compressor, and the third oil path comprises a cylinder lower end surface oil groove located in the third oil outlet and located in the piston lower end surface.
Preferably, the piston is an eccentric piston, a transition cavity and a lower opening are formed in the piston, and the lower opening is communicated with the transition cavity.
The invention also provides a temperature adjusting system, which further comprises an evaporator, a condenser and the compressor, wherein a refrigerant circularly flows among the compressor, the evaporator and the condenser.
The embodiment of the utility model provides a through set up the pivot oil outlet on the lateral wall of pivot, can introduce the lubricating oil in the oil bath to the gap between pivot subassembly, gleitbretter, cylinder, base bearing and the auxiliary bearing in, make and form the oil film in the gap of these parts, improve the leakproofness between these parts, reduce the high pressure refrigerant seepage to the outer volume of compression chamber to effectively improve the energy efficiency ratio.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is an exploded view of a part of a compressor according to an embodiment of the present invention.
Fig. 2 is a perspective view of the rotating shaft assembly of the present invention with its upper end facing upward.
Fig. 3 is a perspective view of the rotating shaft assembly of the present invention with its lower end facing upward.
Fig. 4 is a perspective view of the slide sheet of the present invention in a state that the upper end face of the slide sheet faces upward.
Fig. 5 is a perspective view of the slider in a state that the lower end face of the slider faces upward.
Fig. 6 is a perspective view of the cylinder of the present invention in a state where the upper end face of the cylinder faces upward.
Fig. 7 is an enlarged view of a portion B in fig. 6.
Fig. 8 to 10 are perspective views illustrating a state in which the upper end of the cylinder faces upward according to another embodiment of the present invention.
Fig. 11 is a perspective view of the cylinder of the present invention in a state where the lower end face thereof faces upward.
Fig. 12 is a perspective view of the main bearing of the present invention with the lower surface facing upward.
Fig. 13 is an overall structure diagram of the auxiliary bearing of the present invention.
FIG. 14 is an overall view of the auxiliary bearing according to another embodiment of the present invention
Fig. 15 is a schematic diagram showing the cooperation of the components in the compressor of the present invention.
Fig. 16 is a cross-sectional view along direction AA of fig. 14.
Fig. 17 is a sectional view of the compressor of the present invention with two cylinders.
Fig. 18 is an overall configuration diagram of the middle spacer in fig. 17.
In the figure: 1. a rotating shaft assembly; 11. a rotating shaft; 111. a first oil outlet hole; 112. a second oil outlet; 113. a third oil outlet; 12. a piston; 121. a first oil groove; 1211. a first annular groove; 1212. a first connecting groove; 1213. a first storage tank; 122. a second oil groove; 1221. a second annular groove; 1222. a second communicating groove; 1223. a second storage tank; 123. a transition chamber; 124. an upper opening; 125. a lower opening; 2. sliding a sheet; 21. A roller groove; 22. an upper slider oil groove; 221. a first upper slider oil groove; 222. a second upper slide oil groove; 23. A lower slider oil groove; 231. a first lower slide oil groove; 232. a second lower slider oil groove; 3. a cylinder; 31. a compression chamber; 32. a slide groove; 33. an oil groove on the upper end surface of the cylinder; 331. an oil groove on the upper end surface of the first cylinder; 332. an oil groove is formed in the upper end face of the second cylinder; 34. an oil groove on the lower end surface of the cylinder; 35. a cylinder longitudinal oil groove; 36. a communication gap; 37. an air inlet of the cylinder; 38. a cylinder air outlet; 301. an upper cylinder body; 302. a lower cylinder body; 4. A main bearing; 41. an oil guiding through hole; 42. an oil guide groove; 421. a low pressure side oil guide groove; 422. a high-pressure side oil guide groove; 5. a secondary bearing; 51. introducing high pressure into the gas tank; 52. a low-pressure gas outlet groove; 53. the auxiliary bearing oil guide groove; 6. A roller; 7. a middle partition plate; 71. the middle clapboard leads the oil groove.
Detailed Description
To facilitate an understanding of the present invention, the present invention will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like as used herein are for illustrative purposes only.
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 invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 18, an embodiment of the present invention provides a compressor, which includes a rotating shaft assembly 11, a sliding vane 2, a cylinder 3, a main bearing 4, an auxiliary bearing 5, and a housing, wherein the rotating shaft assembly 11 penetrates through the cylinder 3, the main bearing 4, and the auxiliary bearing 5, the main bearing 4 is located on an upper portion of the cylinder 3, and the auxiliary bearing 5 is located on a lower portion of the cylinder 3; the pivot subassembly 11 includes pivot 11 and piston 12, and pivot 11 and piston 12 fixed connection are formed with the cavity in the pivot 11, and the lower extreme of cavity is provided with the opening, is formed with the oil bath in the shell, and the opening is located the oil bath, is provided with the pivot oil outlet in the pivot 11, and the pivot oil outlet is linked together with the cavity. The embodiment of the utility model provides a through set up the pivot oil outlet on the lateral wall of pivot 11, can introduce the lubricating oil in the oil bath to pivot subassembly 11 through external force, gleitbretter 2, cylinder 3, in the gap between main bearing 4 and the auxiliary bearing 5, make the main bearing, the cylinder, the auxiliary bearing, all form the oil film in the gap that the face is laminated with the face between each part of pivot subassembly and gleitbretter, improve the leakproofness between it, reduce the refrigerant seepage to the outer volume of compression chamber 31 in compression process, thereby effectively improve the energy efficiency ratio.
Referring to fig. 2 and 3, the oil outlet hole of the rotating shaft includes a first oil outlet hole 111, the two ends of the piston body are formed with a piston upper end surface and a piston lower end surface, and the first oil outlet hole 111 is disposed near the piston upper end surface; the cavity of the rotating shaft 11 is fixed with a helical blade, when the helical blade rotates along with the rotating shaft 11, the lubricating oil in the oil pool is brought into the cavity and thrown out of the first oil outlet hole 111, and the lubricating oil coming out of the first oil outlet hole 111 falls on the upper end face of the piston. The piston 12 can bring the lubricating oil to the upper surface of the piston 12 and the surface of the cylinder 3 contacting the piston 12 in the process of rotating along with the rotating shaft 11, namely, the lubricating effect is achieved, and the sealing effect between the cylinder 3 and the piston 12 is better due to the oil film generated between the two. In other embodiments, the lubricant in the oil pool can be pumped into the upper part of the cavity of the rotating shaft by an oil pump.
In the preferred embodiment, the piston upper end surface is formed with a first oil groove 121, and the lubricating oil thrown from the first oil outlet hole is gathered in the first oil groove to play the role of oil seal and lubricating the piston and main bearing connecting surface. In another preferred embodiment, the oil outlet holes of the rotating shaft further include a third oil outlet hole 113, the lower end surface of the piston is provided with a second oil groove 122, during the rotation of the piston 12, the lubricating oil in the third oil outlet hole 113 is thrown between the piston and the counter bearing and is collected in the second oil groove, and the lubricating oil in the second oil groove 122 can form a sealing oil film between the second oil groove 122 and the counter bearing 5, and can also play a role in lubrication and sealing. In other embodiments, the first oil outlet hole 111 and the third oil outlet hole 113 are formed on the upper end surface of the piston, and the first oil outlet hole 111 and the third oil outlet hole 113 function as in the above two embodiments.
In a preferred embodiment, the first oil groove 121 includes a first annular groove 1211, a first connecting groove 1212, and a first reservoir groove 1213, the first annular groove 1211 surrounds the shaft hole, and the inner side of the first annular groove 1211 penetrates through the side wall of the shaft hole, and the lubricating oil in the first annular groove 1211 can penetrate between the rotating shaft 11 and the piston 12 to perform an oil film sealing function. One end of the first connecting groove 1212 is communicated with the first annular groove 1211, the other end of the first connecting groove 1212 is communicated with the first storage groove 1213, and the lubricating oil in the first annular groove 1211 is guided into the first connecting groove 1212 and the first storage groove 1213, so that the lubricating oil is more easily smeared between the piston 12 and the main bearing 4, and the lubricating oil leaks to other structures of the compressor, so that an oil film is more easily formed on the contact surfaces of other components, and the sealing effect of the compressor is further enhanced.
Referring to fig. 3, in the preferred embodiment, the rotating shaft 11 is provided with a third oil outlet 113, the third oil outlet 113 is located at the lower part of the piston 12, the lower end surface of the piston is provided with a second oil groove 122, and the lubricating oil thrown out from the third oil outlet 113 is at least partially collected in the second oil groove 122. The second oil groove 122 includes a second annular groove 1221, a second communication groove 1222, and a second storage groove 1223, the second annular groove 1221 communicates with the first annular groove 1211, one end of the second communication groove 1222 communicates with the second annular groove 1221, and the other end of the second communication groove 1222 communicates with the second storage groove 1223. The lubricating oil thrown out from the third oil outlet 113 flows in the second annular groove 1221, the second communication groove 1222, and the second reservoir groove 1223, and the lubricating oil is spread more easily between the sub-bearing 5 and the piston 12 to form an oil film, thereby performing both a lubricating function and an oil sealing function. First oil groove 121 is longer than second oil groove 122, specifically, second oil groove 122 is located the position of keeping away from lower opening 125 of piston 12, and second oil groove 122 only extends in piston 12 unopened position, and piston 12 open position wall is thinner, and it can influence the stability of piston 12 structure to open the groove again, so set up, under the circumstances that guarantees that the lubricating oil flows, makes the structural stability of piston 12 still guarantee, reduces eccentric piston 12 because of the damaged risk of pressure is too big. And an auxiliary bearing oil guide groove is formed in the auxiliary bearing, the projection of the auxiliary bearing oil guide groove in the axial direction of the auxiliary bearing oil guide groove is positioned on the piston and the cylinder, so that lubricating oil coming out of the third oil outlet falls on the piston, and is thrown to a position between the cylinder and the auxiliary bearing through the auxiliary bearing oil guide groove under the action of centrifugal force to form an oil film at the position, and the sealing effect is enhanced.
The utility model discloses up end (contrary T) and lower terminal surface (T) at pivot 11 are provided with first oil groove and second oil groove respectively, rotary motion is done to pivot 11 under motor drive, combine 11 inside cavity structures in pivot, lubricating oil in the oil bath can be led to in first oil groove and the second oil groove, lubricating oil in the oil groove can form sealed oil film, effectually prevent that the high-pressure gas in the compression chamber 31 from struggling into among the inside cavity of piston 12, reduce the friction resistance of terminal surface (T) and up end (contrary T) down simultaneously, reduce wearing and tearing.
In a preferred embodiment, the piston 12 is an eccentric piston, a transition cavity 123 and an upper opening 124 are formed in the piston 12, the upper opening 124 is communicated with the transition cavity 123, the upper opening 124 includes a first upper opening 124 and a second upper opening 124, the first upper opening 124 is located on one side of the maximum radius of the eccentric piston, the second upper opening 124 is located on the other side of the maximum radius of the eccentric piston, and it should be noted that the maximum radius of the eccentric piston refers to a line having the largest vertical distance from the center line of the rotating shaft 11 to the edge of the piston 12.
In an embodiment, the first connecting channel 1212 is located on the maximum radius of the eccentric piston 12, i.e. the first connecting channel 1212 is located between the first upper opening 124 and the second upper opening 124, the first connecting channel 1212 extending along the maximum radius. In another embodiment, the first connecting channel 1212 is located near the maximum radius of the eccentric piston 12. The first connecting groove 1212 is located between the first upper opening 124 and the second upper opening 124, at least one end of the first storage groove 1213 is connected to the first connecting groove 1212, and further, the first connecting groove 1212 is located at the maximum radius of the eccentric piston, and since the maximum radius of the eccentric piston is the position where the eccentric piston is in sealing contact with the cylinder 3, which is closest to the cylinder 3, it is also the position where the lubricating oil on the eccentric piston is most easily thrown onto the cylinder 3 and the vane 2, and therefore, an oil groove is provided there, and it is easier to accumulate more lubricating oil and throw the lubricating oil onto the upper end surface of the cylinder and the upper end surface of the vane 2. First hold up tank 1213 extends to eccentric piston's low pressure side (need explain that, the utility model discloses well high pressure side and low pressure side are with the diameter at gleitbretter place as the boundary line), because high-pressure side pressure is big, the lateral wall of eccentric piston's high pressure side need bear bigger pressure, and the low pressure side then does not have this risk, consequently, extends first hold up tank 1213 to the low pressure side, can reduce eccentric piston 12 because of the too big impaired risk of pressure.
In the preferred embodiment, the first oil outlet hole 111 is formed with a notch on the periphery thereof, so that a gap is formed when the rotating shaft 11 is engaged with an external component, since the contact surface between the rotating shaft 11 and the main bearing 4 is substantially in a sealed state, if no notch is formed, the amount of the lubricating oil thrown out from the first oil outlet hole 111 is very small, and the lubricating oil cannot be sealed and lubricated, and the provision of a notch enables the lubricating oil to be more easily thrown out from the first oil outlet hole 111. In another preferred embodiment, at least a portion of the rotating shaft 11 between the upper portion of the first oil outlet hole 111 and the upper end surface of the piston has a smaller diameter than the upper portion of the first oil outlet hole 111, so that a gap is formed at the position of the first oil outlet hole 111, and similarly, in order to more easily throw out the lubricating oil, it should be noted that the upper portion of the first oil outlet hole 111 refers to a point or a circular line located at the upper portion of the first oil outlet hole 111, and the specific position of the upper portion of the first oil outlet hole 111 is not limited by the present invention as long as it is located at the upper portion of the first oil outlet hole 111 in the vertical direction. Of course, the diameter of the rotating shaft 11 may be different at other positions, and it is within the scope of the present disclosure as long as the above conditions of the present disclosure are satisfied.
The cavity of the rotating shaft 11 is internally fixed with a helical blade, the bottom wall of the main bearing 4 is provided with an oil guide through hole 41, and the helical blade can bring lubricating oil to the upper part of the cavity when rotating along with the rotating shaft 11. The oil outlet holes of the rotating shaft further comprise a second oil outlet hole 112, the second oil outlet hole 112 is located at the top of the rotating shaft 11, when the helical blade rotates along with the rotating shaft 11, lubricating oil in the oil pool is brought into the cavity and thrown out from the second oil outlet hole 112 to fall into the main bearing 4, and the lubricating oil enters between the main bearing 4 and the air cylinder 3 through the oil guide through hole 41. The utility model discloses a set up on the main bearing 4 of compressor and lead oil through-hole 41, set up the oil bath on secondary bearing 5, utilize on helical blade's the lubricating oil of gathering in with the oil bath introduces the up end of cylinder 3, ensure that its oil mass supply is abundant, lubricating oil can cyclic utilization.
Referring to fig. 4 and 5, the sliding vane 2 includes a sliding vane body, a roller groove 21 is provided at a side surface of the sliding vane body, an upper sliding vane oil groove 22 is provided at an upper end surface of the sliding vane body, and one end of the upper sliding vane oil groove 22 extends to one side surface of the sliding vane body and penetrates through the side surface. Along with piston 12's rotation, reciprocating motion can be done to gleitbretter 2, when gleitbretter 2 moved the state of supreme gleitbretter oil groove 22 and cylinder up end oil groove 33 intercommunication, in the lubricating oil in the cylinder up end oil groove 33 can flow into upper slide piece oil groove 22, when the lubricating oil in the upper slide piece oil groove 22 was enough many, can form the oil blanket, strengthened sealed effect.
In a preferred embodiment, the upper vane oil groove 22 includes a first upper vane oil groove 221 and a second upper vane oil groove 222, and one end of the first upper vane oil groove 221 extends toward one side surface of the vane body and penetrates the side surface for communicating with the cylinder upper end surface oil groove 33 to introduce the lubricating oil in the cylinder upper end surface oil groove 33 into the upper vane oil groove 22. The first upper slide oil groove 221 is communicated with the second upper slide oil groove 222, one end of the second upper slide oil groove 222 penetrates through the side wall of the roller groove 21 and is communicated with the roller groove 21, and the lubricating oil in the upper slide oil groove 22 permeates into the roller groove 21 to lubricate between the roller 6 and the roller groove 21.
In a preferred embodiment, the lower end surface of the slider body is also provided with a lower slider oil groove 23, the lower slider oil groove 23 includes a first lower slider oil groove 231 and a second lower slider oil groove 232, and one end of the first lower slider oil groove 231 extends to one side surface of the slider body and penetrates through the side surface; the first lower vane oil groove 231 is communicated with the second lower vane oil groove 232; first upper slide oil groove 221 and first lower slide oil groove 231 all communicate the low pressure side of gleitbretter body, and lubricating oil oozes the lower part of gleitbretter body from between gleitbretter 2 and the gleitbretter groove 32, flows into second lower slide oil groove 232 from first lower slide oil groove 231 again, has sufficient lubricating oil in lower slide oil groove 23, will permeate the gap between gleitbretter 2 and the upper bearing in, plays the effect of oil blanket equally, provides sealed effect.
Referring to fig. 6, in a preferred embodiment, the cylinder 3 includes a cylinder body, the cylinder body has a compression cavity 31, the cylinder body further has a slide groove 32 and a cylinder upper end surface oil groove 33, the slide groove 32 is communicated with the compression cavity 31, the cylinder upper end surface oil groove 33 is located on an upper end surface of the cylinder 3, the cylinder upper end surface oil groove 33 penetrates through a side wall of the slide groove 32 and is communicated with the slide groove 32, so that lubricating oil in the cylinder upper end surface oil groove 33 can be introduced into the slide groove 32, and relative movement between the slide 2 and the cylinder 3 is lubricated.
Referring to fig. 6 and 7, in a preferred embodiment, the cylinder upper end surface oil groove 33 is disposed around the compression chamber 31, a communication notch 36 is disposed on an upper side wall of the slide groove 32, the communication notch 36 is communicated with the cylinder upper end surface oil groove 33, the communication notch 36 can receive lubricating oil of the cylinder upper end surface oil groove 33, and can also receive lubricating oil thrown out when the piston 12 rotates, and then the lubricating oil is introduced into the upper slide oil groove 22, and meanwhile, the time for which the upper slide oil groove 22 can be communicated with other oil passages is longer, and more lubricating oil flows into the upper slide oil groove 22.
Referring to fig. 9 and 10, in the preferred embodiment, the cylinder head side oil grooves 33 include a first cylinder head side oil groove 331 and a second cylinder head side oil groove 332, the first cylinder head side oil groove 331 penetrates one side wall of the vane groove 32 to permeate downward through a gap between the vane 2 and the cylinder 3, the second cylinder head side oil groove 332 penetrates the other side wall of the vane groove 32 to receive the permeated lubricating oil between the vane 2 and the cylinder 3, and the first cylinder head side oil groove 331 and the second cylinder head side oil groove 332 are not communicated with each other.
Referring to fig. 6, in a preferred embodiment, a cylinder upper end oil groove 33 extends along the edge of the compression chamber 31; referring to fig. 8, in another embodiment, a partial cylinder upper end oil groove 33 extends along the edge of the compression chamber 31. No matter how extended the cylinder oil groove is, it can more easily receive the lubricating oil thrown out by the piston 12 if it is close to the edge of the compression chamber 31.
Referring to fig. 11, in a preferred embodiment, the lower end surface of the cylinder 3 is provided with a cylinder lower end surface oil groove 34, at least one end of the cylinder upper end surface oil groove 33 penetrates one of the side walls of the slide plate groove 32, and at least one end of the cylinder lower end surface oil groove 34 penetrates one of the side walls of the slide plate groove 32, for communicating the cylinder upper end surface oil groove 33 and the cylinder lower end surface oil groove 34 through the slide plate groove 32.
Referring to fig. 7, in the preferred embodiment, a cylinder longitudinal oil groove 35 is provided on a side wall of the vane groove 32, one end of the cylinder longitudinal oil groove 35 is communicated with the cylinder upper end surface oil groove 33, further, the cylinder longitudinal oil groove 35 is communicated with a communication notch 36, and lubricating oil permeates between the vane 2 and the cylinder 3 from the communication notch 36, so as to increase the speed of the lubricating oil permeating into the cylinder lower end surface oil groove 34 from the cylinder upper end surface oil groove 33.
Oil grooves are formed in the upper end face and the lower end face of the cylinder 3 and two side faces of the sliding sheet groove 32, the upper end face is assembled with the end face of the main bearing 4, the lower end face is assembled with the end face of the auxiliary bearing 5, a sliding sheet 2 is installed in the sliding sheet groove 32, and after the structures are assembled, an oil groove which is mutually connected and plays a role in strengthening sealing can be formed; the upper end face and the lower end face of the sliding piece 2 are respectively provided with an oil groove, along with the reciprocating motion of the sliding piece 2, oil in the oil grooves not only reduces the friction resistance, but also can strengthen the sealing and prevent the air leakage between the high-pressure cavity and the low-pressure cavity through the matching surfaces of the sliding piece 2 in the running process of the pump body.
Referring to fig. 17 to 18, the compressor further includes a middle partition plate 7, the cylinder body includes an upper cylinder body 301 and a lower cylinder body 302, the piston includes an upper piston and a lower piston, the middle partition plate 7 is located between the upper cylinder body 301 and the lower cylinder body 302, the upper piston is located in a compression cavity of the upper cylinder body 301, the lower piston is located in a compression cavity of the lower cylinder body 302, which is a compressor with a dual-cylinder structure, and a specific structure belongs to the prior art and is not described herein again. The first oil outlet hole 111 includes an upper oil outlet hole and a lower oil outlet hole, and lubricating oil thrown out from the upper oil outlet hole falls on the upper end surface of the upper piston, and lubricating oil thrown out from the lower oil outlet hole falls on the upper end surface of the lower piston. Referring to fig. 18, a middle partition plate oil guide groove 71 is disposed on the middle partition plate 7, a projection of the middle partition plate oil guide groove 71 in the axial direction coincides with a part of the pistons (it should be noted that a projection of the middle partition plate oil guide groove 71 in the axial direction refers to a projection of the middle partition plate oil guide groove 71 along the direction of the rotating shaft 11 and falling on a plane where the upper end surface of the lower cylinder body is located, in this application, other descriptions regarding the projection direction may refer to this explanation), and also coincides with a part of the lower cylinder body and/or a part of the lower sliding vane, lubricating oil coming out from the lower piston is thrown to the lower cylinder and/or the lower sliding vane through the middle partition plate oil guide groove 71 under the action of centrifugal force, an action of the middle partition plate oil guide groove 71 disposed on the middle partition plate 7 is completely the same as an action of the main bearing oil guide groove disposed on the main bearing, and is not described herein again. In one embodiment, one of the intermediate partition oil guide grooves 71 may be provided, and the intermediate partition oil guide groove 71 is provided at the high pressure side or the low pressure side of the lower cylinder body. In other embodiments, two intermediate partition oil guide grooves 71 may be provided, and the two intermediate partition oil guide grooves 71 are located on the high pressure side and the low pressure side of the lower cylinder, respectively. The oil groove arranged on the lower cylinder body 302 is matched with the oil guide groove 71 of the middle partition plate, so that the high-pressure side and the low-pressure side of the lower cylinder body 302 cannot blow by gas.
Referring to fig. 12, in a preferred embodiment, the main bearing 4 includes a main bearing body, an oil guide groove 42 is formed in the main bearing body, a projection of the oil guide groove 42 in an axial direction coincides with a portion of the piston 12 and also coincides with a portion of the cylinder 3 and/or a portion of the sliding vane 2, and lubricating oil coming out of the first oil groove 121 is thrown onto the cylinder 3 and/or the sliding vane 2 through the oil guide groove 42 under a centrifugal force, so that the lubricating oil on the piston 12 is transferred to the cylinder 3 and/or the sliding vane 2, and the lubricating oil may also generate an oil film at a joint of other components, thereby further increasing a sealing effect of the cylinder 3.
Referring to fig. 12, in the first preferred embodiment, the oil guide groove 42 includes a low pressure side oil guide groove 421, and the low pressure side oil guide groove 421 is located on the low pressure side of the vane 2, and the axial direction projection thereof coincides with the cylinder upper end surface oil groove 33. In the second embodiment, the oil guiding groove 42 includes a high-pressure side oil guiding groove 422, the high-pressure side oil guiding groove 422 is located on the high-pressure side of the sliding vane 2, a projection of the high-pressure side oil guiding groove 422 in an axial direction thereof coincides with the first cylinder upper end surface oil groove 331, the first cylinder upper end surface oil groove 331 is opened on the high-pressure side of the cylinder, the first cylinder upper end surface oil groove 331 does not extend to the low-pressure side of the cylinder 3, the low-pressure side is provided with the second cylinder upper end surface oil groove 332, the second cylinder upper end surface oil groove 332 is only opened on the low-pressure side of the cylinder, and the first cylinder upper end surface oil groove 331 and the second cylinder upper end surface oil groove 332 are not communicated. In the third embodiment, the oil guide groove 42 includes a low pressure side oil guide groove 421 and a high pressure side oil guide groove 422, the low pressure side oil guide groove 421 is the same as in the first embodiment, and the high pressure side oil guide groove 422 is the same as in the second embodiment, and the description thereof is omitted. In more embodiments, the secondary bearing is also provided with an oil guide groove, and the structure and the function of the oil guide groove can refer to the oil guide groove of the main bearing.
In the preferred embodiment, the oil-guiding groove 42 has a depth of 0.1mm to 0.2mm or 0.2mm to 0.25mm or 0.25mm to 0.5mm or 0.5mm to 0.8mm or 0.8 to 1mm. The thickness of the bottom wall of the main bearing 4 is generally 3mm, if the oil guide groove 42 is too shallow, the oil throwing effect is not good, and if the oil guide groove is too deep, the mechanical stability and the air tightness of the main bearing 4 are affected. In other embodiments, the ratio of the thickness of the wall in which the sump is located to the depth of the sump is 6-30.
Referring to fig. 12, in the first embodiment, the rotating shaft oil outlet holes include the first oil outlet hole 111, and the compressor has the first oil passage formed therein, which includes the first oil outlet hole 111 on the rotating shaft 11, the first oil groove 121 on the piston 12, and the oil guide groove 42 on the main shaft in this order; the first oil path further includes a cylinder upper end surface oil groove 33 on the cylinder 3 and an upper slide plate oil groove 22 on the slide plate 2, which are communicated with the oil guide groove 42. In the second embodiment, the oil outlet holes of the rotating shaft include the second oil outlet hole 112, and the second oil passage is formed in the compressor and includes the second oil outlet hole 112 located in the rotating shaft 11 and the oil guide through hole 41 located in the main bearing 4. In the third embodiment, the oil outlet holes of the rotating shaft include the third oil outlet hole 113, a third oil path is formed in the compressor, and the third oil path includes the oil groove 34 located at the third oil outlet hole 113 and at the lower end surface of the piston 12, and the oil groove 34 located at the lower end surface of the cylinder can form a gap between the auxiliary bearing 5 and the piston 12, and the lubricating oil can be collected in the gap to lubricate and seal the auxiliary bearing 5 and the piston 12. In other embodiments, two or three of the first oil passage, the second oil passage, and the third oil passage may be present at the same time.
Referring to fig. 3, in a preferred embodiment, the piston 12 is an eccentric piston, and a transition chamber 123 and a lower opening 125 are formed in the piston 12, the lower opening 125 communicating with the transition chamber 123. Referring to fig. 13 and 14, the sub-bearing 5 is provided with a high-pressure introduction air groove 51 and a low-pressure discharge air groove 52; the projection of the high-pressure air-introducing groove 51 in the axial direction is located on the high-pressure side of the cylinder 3 and between the slide plate groove 32 and the cylinder air outlet 38, when the eccentric rotating shaft 11 rotates to a specific position, the high-pressure air-introducing groove 51 just straddles the side wall of the lower opening 125, so that the transition cavity 123 is communicated with the high-pressure cavity, and high-pressure refrigerant in the high-pressure cavity can enter the transition cavity 123 instantly. The projection of the low-pressure air-guiding groove 52 in the axial direction is located on the low-pressure side of the cylinder 3 and downstream of the cylinder air inlet 37 (downstream of the direction in which the piston 12 rotates), when the eccentric piston 12 rotates at a specific position, the low-pressure air-guiding groove just straddles over the side wall of the transition cavity 123, the low-pressure air-guiding groove conducts the transition cavity 123 and the low-pressure cavity, and the high-pressure refrigerant in the transition cavity 123 can enter the low-pressure cavity instantaneously. In the prior art, the high-pressure refrigerant in the compression cavity 31 is decompressed through the air cylinder air outlet 38, and as some gaps exist between the air cylinder air outlet 38 and the sliding vane 2, part of the high-pressure refrigerant (clearance volume) can remain, the high-pressure refrigerant (clearance volume) in the angle range can reversely flow back to the low-pressure cavity along with the rotation of the eccentric piston 12, and at the moment, the clearance volume expands due to the low pressure in the cavity and occupies part of the space of the suction cavity, so that the low-pressure refrigerant newly sucked outside can be reduced in each action, the volumetric efficiency of the compressor is directly reduced, and the energy efficiency ratio is further directly reduced. The utility model discloses a set up leading-in air duct 51 of high pressure and low pressure derivation air duct 52 on auxiliary bearing 5, realize shifting the highly compressed refrigerant of residual part to the low pressure chamber in to continue the compression to it, thereby compensatied not enough among the prior art, improved the energy efficiency ratio of compressor.
Referring to fig. 14, in the preferred embodiment, a sub-bearing oil guide groove 53 is provided in the sub-bearing 5 to allow the lubricating oil to pass therethrough. In another preferred embodiment, a high-pressure leading-in air groove 51 and a low-pressure leading-out air groove 52 are further arranged on the auxiliary bearing 5, the high-pressure leading-in air groove 51 and the low-pressure leading-out air groove 52 are matched as leading-in and leading-out control switches of clearance volumes, high-pressure clearances can be sucked and discharged into a transition cavity 123, the structure mainly has the function of communicating the high-pressure cavity leading-in high-pressure clearance volumes to the transition cavity 123 of the eccentric part of the rotating shaft 11 as a switch at a specific position, and the structure communicates the transition cavity 123 of the eccentric part of the rotating shaft and the low-pressure compressor to release the clearance volume with higher pressure after the high-pressure leading-in air groove 51 is closed.
The utility model also provides a temperature regulation system, still include evaporimeter, condenser and the compressor of above-mentioned arbitrary, there is the refrigerant circulation to flow between compressor, evaporimeter, the condenser.
The utility model discloses a draw lubricating oil through the pivot oil outlet, at 3 terminal surfaces of cylinder and the 32 both sides face in slide groove, 2 terminal surfaces of gleitbretter and the 11 eccentric portion of pivot pairs set up the oil groove, and lead oil groove 42 in the setting of base bearing 4, thereby realize not adding the effective leakproofness of each fitting surface in the compressor pump body compression chamber 31 with the help of the inside lubricating oil of compressor, pressure differential under the prerequisite of other components fully, will harm to reveal and fall to minimumly, effectively improve the energy efficiency ratio of cylinder 3. The communicated grooves are arranged on the auxiliary bearing 5 (the main bearing 4) to serve as a control switch, the cavity of the eccentric part of the integrated rotating shaft 11 serves as a transitional gas storage structure, the clearance volume in the cavity of the compressor is reintroduced into the suction cavity in an enthalpy-increasing and gas-supplementing mode, and low-temperature and low-pressure gaseous refrigerant cannot be reversely pushed out to reduce the volumetric efficiency.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above embodiments only express the specific embodiments of the utility model, and the description thereof is more specific and detailed, but not so as to limit the scope of the patent of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (27)

1. The utility model provides a bearing for compressor, its characterized in that, includes the bearing body, be provided with on the bearing body and lead the oil groove, lead the oil groove and coincide with partial cylinder and/or partial gleitbretter in axial direction's projection, be located lubricating oil on the outside piston passes through under the effect of centrifugal force lead the oil groove and be got rid of extremely on cylinder and/or the gleitbretter.
2. The bearing for a compressor of claim 1, wherein the oil guide groove comprises a low pressure side oil guide groove which is located on a low pressure side of the vane when the bearing is assembled with an external cylinder, and a projection of an axial direction thereof is overlapped with an oil groove on an upper end surface of the cylinder; and/or the presence of a gas in the atmosphere,
the oil guide groove comprises a high-pressure side oil guide groove, when the bearing is assembled with an external cylinder, the high-pressure side oil guide groove is located on the high-pressure side of the sliding piece, and the projection of the high-pressure side oil guide groove in the axial direction is overlapped with the oil groove in the upper end face of the cylinder.
3. The bearing for the compressor according to claim 1, wherein the oil guide groove has a depth of 0.1mm to 0.2mm or 0.2mm to 0.25mm or 0.25mm to 0.5mm or 0.5mm to 0.8mm or 0.8mm to 1mm; or,
the ratio of the thickness of the wall where the oil groove is located to the depth of the oil groove is 6-30.
4. A bearing for a compressor according to claim 1, wherein the bearing is a main bearing which is mounted on an upper portion of the cylinder in use, the main bearing having a bearing groove formed therein, and an oil guide through hole provided in a bottom wall of the main bearing and communicating the bearing groove with a space below the bottom wall.
5. The bearing for a compressor according to claim 1, wherein the bearing is a sub-bearing provided with a high-pressure gas introduction groove and a low-pressure gas discharge groove; when the bearing is assembled with an external cylinder, the bearing is positioned below the external cylinder, and the projection of the high-pressure leading-in air groove in the axial direction is positioned on the high-pressure side of the cylinder and is positioned between the slide sheet groove and the air outlet of the cylinder; the projection of the low-pressure air outlet groove in the axial direction is positioned on the low-pressure side of the cylinder and is positioned at the downstream of the air inlet of the cylinder; when an external eccentric piston rotates to a first specific position, a high-pressure air guide groove communicates a transition cavity on the eccentric piston with a high-pressure cavity, and when the eccentric piston rotates to a second specific position, a low-pressure air guide groove communicates the transition cavity with a low-pressure cavity; and/or the presence of a gas in the atmosphere,
and an auxiliary bearing oil guide groove is arranged on the auxiliary bearing, and the projection of the auxiliary bearing oil guide groove in the axial direction of the auxiliary bearing oil guide groove is positioned on the piston and the cylinder.
6. A compressor, comprising a rotating shaft assembly, a sliding vane, a cylinder, a main bearing, a secondary bearing and a shell, wherein the main bearing is the main bearing of any one of claims 1 to 4, the rotating shaft assembly penetrates through the cylinder, the main bearing and the secondary bearing, the main bearing is positioned at the upper part of the cylinder, and the secondary bearing is positioned at the lower part of the cylinder; the pivot subassembly includes pivot and piston, the pivot with piston fixed connection, be formed with the cavity in the pivot, the lower extreme of cavity is provided with the opening, be formed with the oil bath in the shell, the opening is located in the oil bath, be provided with first oil outlet in the pivot, first oil outlet with the cavity is linked together, along with the rotation of pivot subassembly, follows lubricating oil that first oil outlet came out falls the upper surface of piston, the rethread lead the oil groove and be shifted to on cylinder and/or the gleitbretter.
7. The compressor of claim 6, wherein both ends of the piston body are formed with a piston upper end surface and a piston lower end surface, and the first oil outlet hole is provided near the piston upper end surface; and when the helical blade rotates along with the rotating shaft, the lubricating oil in the oil pool is brought into the cavity and thrown out of the first oil outlet, and the lubricating oil coming out of the first oil outlet falls on the upper end face of the piston.
8. The compressor according to claim 6, wherein a first oil groove is formed on the upper end surface of the piston, the first oil groove includes a first annular groove, a first communicating groove, and a first reserve groove, the first annular groove surrounds the shaft hole of the piston, and an inner side of the first annular groove penetrates through a side wall of the shaft hole; one end of the first connecting groove is communicated with the first annular groove, and the other end of the first connecting groove is communicated with the first storage groove.
9. The compressor of claim 8, wherein the first connecting channel is located on and extends along a maximum radius of the eccentric piston; or the first connecting groove is arranged close to the maximum radius of the eccentric piston;
at least one end of the first reservoir is connected to the communication groove, and the first reservoir groove extends toward a low pressure side of the eccentric piston.
10. The compressor according to claim 8, wherein a third oil outlet is provided in the rotating shaft, the third oil outlet is located at a lower portion of the piston, a second oil groove is provided at a lower end surface of the piston, the lubricating oil thrown from the third oil outlet at least partially collects in the second oil groove, the second oil groove includes a second annular groove, a second communicating groove and a second storage groove, the second annular groove is communicated with the first annular groove, one end of the second communicating groove is communicated with the second annular groove, and the other end of the second communicating groove is communicated with the second storage groove.
11. The compressor of claim 6, wherein a gap is formed on a peripheral side of the first oil outlet hole to allow a clearance to be formed when the rotating shaft is engaged with an external member; or,
the diameter of part of the rotating shaft between the upper part of the first oil outlet hole and the upper end face of the piston is larger than that of the upper part of the first oil outlet hole.
12. The compressor of claim 6, wherein a helical blade is fixed in the cavity of the rotating shaft, and an oil guide through hole is formed in the bottom wall of the main bearing; the pivot oil outlet still includes the second oil outlet, the second oil outlet is located the top of pivot, helical blade follows when the pivot rotates, will be located lubricating oil in the oil bath takes to in the cavity, and follow the second oil outlet throws away and falls in the main bearing, lubricating oil passes through lead the oil through hole and enter into the main bearing with between the cylinder.
13. The compressor of claim 6, wherein the vane includes a vane body, a side of the vane body is provided with a roller groove, an upper end of the vane body is provided with an upper vane oil groove, and an end of the upper vane oil groove extends toward and through one side of the vane body.
14. The compressor of claim 13, wherein the upper vane oil groove includes a first upper vane oil groove and a second upper vane oil groove, one end of the first upper vane oil groove extending toward and through one side surface of the vane body; the first upper slide oil groove and the second upper slide oil groove are communicated, and one end of the second upper slide oil groove penetrates through the side wall of the roller groove and is communicated with the roller groove.
15. The compressor of claim 14, wherein the lower end surface of the vane body is also provided with a lower vane oil groove, the lower vane oil groove comprising a first lower vane oil groove and a second lower vane oil groove, one end of the first lower vane oil groove extending toward and penetrating one side surface of the vane body; the first lower sliding sheet oil groove is communicated with the second lower sliding sheet oil groove; the first upper sliding sheet oil groove and the first lower sliding sheet oil groove are both communicated with the low-pressure side of the sliding sheet body; or,
the transverse section of the roller groove is arc-shaped, a first roller groove end surface and a second roller groove end surface are formed at two ends of the roller groove respectively, the first roller groove end surface is close to the low-pressure side of the cylinder, and the second roller groove end surface is close to the high-pressure side of the roller groove; the second roller groove end face protrudes beyond the first roller groove end face.
16. The compressor of claim 6, wherein the cylinder includes a cylinder body, the cylinder body defines a compression chamber, the cylinder body further defines a vane groove and a cylinder top oil groove, the vane groove is communicated with the compression chamber, the cylinder top oil groove is located on the top end of the cylinder, and the cylinder top oil groove penetrates through a sidewall of the vane groove and is communicated with the vane groove.
17. The compressor of claim 16, wherein the cylinder upper end surface oil groove is disposed around the compression chamber, and a communication notch is disposed on an upper side wall of the vane groove, the communication notch communicating with the cylinder upper end surface oil groove.
18. The compressor of claim 16, wherein the cylinder upper end face oil groove comprises a first cylinder upper end face oil groove and a second cylinder upper end face oil groove, the first cylinder upper end face oil groove penetrates one side wall of the vane groove, the second cylinder upper end face oil groove penetrates the other side wall of the vane groove, and the first cylinder upper end face oil groove and the second cylinder upper end face oil groove are not communicated.
19. The compressor of claim 16, wherein the cylinder upper end face oil groove extends along an edge of the compression chamber; or, part of the oil groove on the upper end surface of the cylinder extends along the edge of the compression cavity.
20. The compressor of claim 16, wherein the lower end surface of the cylinder is provided with a cylinder lower end surface oil groove, at least one end of the cylinder upper end surface oil groove penetrates through one of the side walls of the vane groove, and at least one end of the cylinder lower end surface oil groove penetrates through one of the side walls of the vane groove.
21. The compressor of claim 16, wherein the cylinder further comprises a middle diaphragm, the cylinder body comprises an upper cylinder body and a lower cylinder body, the piston comprises an upper piston and a lower piston, the middle diaphragm is positioned between the upper cylinder body and the lower cylinder body, the upper piston is positioned within the compression cavity of the upper cylinder body, and the lower piston is positioned within the compression cavity of the lower cylinder body; the first oil outlet hole comprises an upper oil outlet hole and a lower oil outlet hole, lubricating oil thrown out of the upper oil outlet hole falls on the upper end face of the upper piston, and lubricating oil thrown out of the lower oil outlet hole falls on the upper end face of the lower piston; the middle partition plate is provided with a middle partition plate oil guide groove, the projection of the middle partition plate oil guide groove in the axial direction is overlapped with part of the lower piston and is also overlapped with part of the lower cylinder body and/or part of the lower sliding sheet, and lubricating oil from the lower piston is thrown onto the lower cylinder body and/or the lower sliding sheet through the middle partition plate oil guide groove under the action of centrifugal force.
22. The compressor of claim 16, wherein a cylinder longitudinal oil groove is provided on a side wall of the vane groove, and one end of the cylinder longitudinal oil groove communicates with the cylinder upper end surface oil groove.
23. The compressor of claim 6, wherein the shaft oil outlet comprises a first oil outlet, and a first oil passage is formed in the compressor, and the first oil passage comprises a first oil outlet located on the shaft, a first oil groove located on the piston, and an oil guide groove located on the main shaft in this order; the first oil way further comprises an oil groove which is communicated with the oil guide groove and is positioned on the upper end face of the cylinder on the cylinder and an oil groove which is positioned on the upper sliding sheet on the sliding sheet.
24. The compressor of claim 6, wherein the shaft oil outlet hole comprises a second oil outlet hole, and a second oil passage is formed in the compressor and comprises a second oil outlet hole formed in the shaft and an oil guide through hole formed in the main bearing.
25. The compressor of claim 6, wherein the shaft oil outlet hole comprises a third oil outlet hole, and a third oil passage is formed in the compressor and comprises a cylinder lower end surface oil groove located in the third oil outlet hole and located in the lower end surface of the piston.
26. The compressor of claim 6, wherein the piston is an eccentric piston, a transition cavity and a lower opening are formed in the piston, the lower opening communicating with the transition cavity.
27. A temperature regulation system, further comprising an evaporator, a condenser and a compressor as claimed in any one of claims 6 to 26, wherein refrigerant circulates between the compressor, the evaporator and the condenser.
CN202221929565.4U 2022-07-22 2022-07-22 Bearing for compressor, compressor and temperature adjusting system Active CN218118046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221929565.4U CN218118046U (en) 2022-07-22 2022-07-22 Bearing for compressor, compressor and temperature adjusting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221929565.4U CN218118046U (en) 2022-07-22 2022-07-22 Bearing for compressor, compressor and temperature adjusting system

Publications (1)

Publication Number Publication Date
CN218118046U true CN218118046U (en) 2022-12-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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