CN210239995U - Scroll plate assembly, scroll compressor and refrigerating system - Google Patents

Abstract

The utility model provides a vortex dish subassembly, scroll compressor and refrigerating system. Wherein, the vortex dish subassembly includes: the fixed scroll comprises a first end plate, and a first oil groove is formed in one end face of the first end plate; the movable scroll comprises a second end plate, and an oil supply channel is arranged on the second end plate; the oil supply channel can be communicated with the first oil groove in the process of eccentric rotation of the movable scroll, and the first oil groove can be partially exposed out of the outer edge of the second end plate in the process of eccentric rotation of the movable scroll. Make the refrigeration oil can get into first oil groove through oil supply channel to through the opening between the outward flange of second end plate and the frame of compressor, with the backpressure space intercommunication of compressor, be favorable to the lubricated structure that is located the backpressure space, improve scroll compressor's reliability.

Description

Scroll plate assembly, scroll compressor and refrigerating system

Technical Field

The utility model belongs to the technical field of the compressor, particularly, relate to a scroll dish subassembly, a scroll compressor and a refrigerating system.

Background

Scroll compressors are widely used in refrigeration systems such as air conditioners and heat pumps because of their high efficiency, light weight and low vibration noise during operation. In the scroll compressor in the related art, only the relative movement between the movable scroll and the fixed scroll is lubricated, only the lubricating oil is introduced between the movable scroll and the fixed scroll, but the lubrication of the internal structure of the back pressure space formed between the movable scroll and the frame is neglected, and particularly the cross slip ring arranged in the back pressure space is worn greatly when the scroll compressor is operated under heavy load and high speed, so that the reliability of the scroll compressor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.

To this end, a first aspect of the present invention provides a scroll assembly.

A second aspect of the present invention provides a scroll compressor.

A third aspect of the present invention provides a refrigeration system.

In view of this, according to a first aspect of the present invention, there is provided a scroll assembly for a compressor, the scroll assembly including: the fixed scroll comprises a first end plate, and a first oil groove is formed in one end face of the first end plate; the movable scroll comprises a second end plate, and an oil supply channel is arranged on the second end plate; the oil supply channel can be communicated with the first oil groove in the process of eccentric rotation of the movable scroll, and the first oil groove can be partially exposed out of the outer edge of the second end plate in the process of eccentric rotation of the movable scroll.

The utility model provides a vortex dish subassembly includes quiet vortex dish and moves the vortex dish, through set up first oil groove on quiet vortex dish, sets up oil supply channel on moving the vortex dish to make oil supply channel can be in moving vortex dish eccentric pivoted in-process and first oil groove intercommunication, optionally be discontinuity and first oil groove intercommunication, make the refrigeration oil (one kind of lubricating oil) can get into first oil groove through oil supply channel. And through making first oil groove expose in the outward flange of second end plate in the in-process of moving the eccentric rotation of scroll dish for the refrigeration oil in the first oil groove can be through the opening between the outward flange of second end plate and the frame of compressor, with the backpressure space intercommunication of compressor, be favorable to lubricating the structure that is located the backpressure space, like the cross sliding ring that sets up usually in the backpressure space, can effectively reduce the cross sliding ring when scroll compressor heavy load high speed operation and with the wearing and tearing of cross sliding ring matched with keyway, improve scroll compressor's reliability.

In the related art, a back pressure space is formed between the second end plate and the frame of the compressor, and the back pressure space is mainly located at the back of the second end plate and communicates with a gap between a side surface of the second end plate and the frame. Therefore, the first oil groove is exposed out of the outer edge of the second end plate and can be communicated with the back pressure space through the gap.

In addition, according to the utility model provides a vortex dish subassembly among the above-mentioned technical scheme, can also have following additional technical characterstic:

in the above technical solution, preferably, the oil supply passage includes an oil inlet hole, an oil outlet hole and a flow guiding passage, the oil inlet hole and the oil outlet hole are respectively located on two end faces of the second end plate, and the flow guiding passage communicates the oil inlet hole and the oil outlet hole; the oil outlet hole can be communicated with the first oil groove in the process of eccentric running of the movable scroll.

In this technical scheme, because the oil outlet can be in the in-process that moves the eccentric pivoted of vortex dish and first oil groove intercommunication, first oil groove can be in the in-process that moves the eccentric pivoted of vortex dish at least part expose in the outward flange of second end plate, acquiesce first oil groove and set up on first end plate is close to an terminal surface that moves the vortex dish, the oil outlet sets up on second end plate is close to an terminal surface of static vortex dish, goes into the oilhole and sets up on second end plate back of the body from an terminal surface of static vortex dish. So that the refrigeration oil can enter the first oil groove through the oil inlet hole, the drainage channel and the oil outlet hole in sequence.

In any of the above technical solutions, preferably, a second oil groove is further provided on an end surface of the first end plate, and the second end plate shields the second oil groove; the oil supply passage can also communicate with the second oil groove during eccentric operation of the orbiting scroll.

In this technical scheme, can also be in the in-process that moves the eccentric rotation of scroll and communicate with the second oil groove through setting for oil supply passage for frozen oil can get into the second oil groove through oil supply passage. And because the second end plate can shelter from the second oil groove for the clearance between first end plate and the second end plate can be lubricated to the refrigeration oil in the second oil groove, reduces wearing and tearing between the two.

In any of the above technical solutions, preferably, a distance between the first oil groove and the second oil groove in a radial direction of the first end plate is smaller than an eccentric running diameter of the movable scroll; the eccentric operating diameter is the distance between the center line of the end face of the second end plate perpendicular to the end face of the second end plate and the rotating axis of the second end plate.

In this technical scheme, through setting for first oil groove and second oil groove and be less than the eccentric running diameter who moves the vortex dish at the radial ascending interval of first end plate, be favorable to guaranteeing that the oil outlet can communicate first oil groove and second oil groove in proper order moving the eccentric pivoted in-process of vortex dish.

In any of the above aspects, preferably, the fixed scroll further includes a first wrap provided on the first end plate. The second oil groove at least partially surrounds the first wrap.

In this technical scheme, at least part surrounds first vortex line tooth through setting for the second oil groove has sufficient extension length, is favorable to leading into the clearance between first end plate and the second end plate with freezing oil fully.

In any of the above technical solutions, preferably, the first oil groove is located on a side of the second oil groove facing away from the first spiral wrap. So that the second oil groove can be closer to the outer edge of the first end plate, thereby facilitating communication with the back pressure space.

In any of the above solutions, preferably, the second oil groove is configured as an arc-shaped oil groove. The second oil groove is provided on the first end plate adjacent to the first spiral wrap.

In any of the above solutions, preferably, at least a part of the first oil groove extends in a radial direction of the first end plate.

In this technical scheme, through setting for at least partial first oil groove along the radial extension of first end plate, be favorable to guaranteeing that first oil groove is linked together with the oil outlet in the in-process of moving the eccentric rotation of scroll to expose in the outward flange of second end plate.

In any of the above solutions, preferably, the first oil groove is configured as a V-shaped groove, an L-shaped groove, a triangular groove or a circular groove.

In any one of the above technical solutions, preferably, the number of the first oil grooves is plural.

In this technical scheme, establish into a plurality ofly through the quantity with first oil groove, be favorable to improving the volume that gets into the refrigeration oil in backpressure space to guarantee the lubricated effect to backpressure space inner structure. The shapes and sizes of the first oil grooves can be completely the same or completely different or not completely the same.

Optionally, at least one of the plurality of first oil grooves may be partially exposed to the outer edge of the second end plate during the eccentric rotation of the orbiting scroll, and at least one of the plurality of first oil grooves may be communicated with the oil inlet hole during the eccentric rotation of the orbiting scroll.

In any one of the above technical solutions, preferably, the number of the oil outlet holes is plural.

In this technical scheme, be a plurality ofly through setting for the oil outlet, a plurality of oil outlets all communicate with drainage channel, are favorable to increasing the volume of introducing the refrigeration oil in first oil groove or the second oil groove to improve lubricated effect.

In any one of the above technical solutions, preferably, the number of the oil outlet holes, the oil inlet holes and the drainage channels is the same and is multiple.

In any of the above technical solutions, preferably, at least a portion of the oil outlet hole extends in a radial direction of the first end plate. The movable scroll is convenient to be communicated with the first oil groove in the eccentric operation process of the movable scroll, and the part of the movable scroll is convenient to be exposed out of the outer edge of the second end plate.

In any one of the above-described aspects, preferably, the oil inlet hole extends in an extending direction of the rotational axis of the first end plate.

In any of the above solutions, preferably, the drainage channel extends from a side of the second end plate to a middle of the second end plate. Furthermore, a throttling piece is arranged in the drainage channel. The quantity and the oil pressure of the freezing oil in the drainage channel can be conveniently adjusted.

A second aspect of the present invention provides a scroll compressor, including: a scroll assembly as claimed in any one of the preceding claims.

The utility model provides a scroll compressor owing to have the vortex dish subassembly of above-mentioned arbitrary technical scheme, and then has the beneficial effect of above-mentioned arbitrary technical scheme, no longer gives unnecessary details here one by one.

In any of the above solutions, preferably, the scroll compressor further comprises: a backpressure space is formed between the frame and the movable scroll plate and is communicated with a key groove, and the key groove is used for accommodating a key of the cross slip ring; the first oil groove can be communicated with the key groove through a back pressure space in the process of eccentric rotation of the movable scroll.

In this technical scheme, specifically set for scroll compressor and included the frame, be formed with the backpressure space by frame and movable scroll to set for the backpressure space can with be used for holding the keyway intercommunication of cross sliding ring, make in the refrigeration oil in the first oil groove can get into the keyway through the backpressure space, lubricate key in keyway and the keyway. The problem that the reliability of the scroll compressor is influenced due to the fact that the cross slip ring is seriously abraded when the scroll compressor runs under a large load at a high speed is avoided.

In any of the above technical solutions, preferably, the frame is disposed avoiding the first oil groove. The first oil groove is not shielded by the frame, so that the situation that the refrigerating oil in the first oil groove enters the space between the frame and the first end plate in a large quantity and the sealing performance between the frame and the first end plate is influenced can be avoided.

In any of the above technical solutions, preferably, the frame is provided with two first key slots, and the orbiting scroll is provided with two second key slots; the two first key grooves and the two second key grooves are used for accommodating keys of the cross slip ring; the projections of the two first key grooves and the two second key grooves on the first end plate have a minimum central angle which is less than or equal to 45 degrees and corresponds to the first oil grooves.

In this technical scheme, be equipped with four keys on the cross sliding ring, the quantity that corresponds the keyway is four, is two first keyways and two second keyways respectively, and two first keyways and two second keyways all communicate with the backpressure space, are favorable to during the refrigeration oil in the first oil groove introduces a plurality of keyways, the key in the lubricated keyway that stretches into.

In any of the above solutions, preferably, the scroll compressor further comprises: the crankshaft is connected with the movable scroll plate, an oil inlet channel is arranged on the crankshaft, and the oil inlet channel is communicated with the oil supply channel. The oil inlet channel is arranged on the crankshaft and communicated with the oil supply channel, so that oil can be supplied into the oil inlet hole conveniently.

In any of the above solutions, preferably, the scroll compressor further comprises: and the driving part is connected with the crankshaft and is used for driving the crankshaft to rotate so as to drive the movable scroll to eccentrically rotate.

In any of the above technical solutions, preferably, an accommodating cavity is provided at one end of the movable scroll, which is away from the fixed scroll, and an eccentric end of the crankshaft extends into the accommodating cavity and leaves a gap with a cavity wall of the accommodating cavity; the oil supply passage is communicated with the oil inlet passage through the gap.

A third aspect of the present invention provides a refrigeration system, including a scroll compressor according to any one of the above-mentioned technical solutions.

The utility model provides a refrigerating system owing to have the scroll compressor of above-mentioned arbitrary technical scheme, and then has the beneficial effect of above-mentioned arbitrary technical scheme, no longer gives unnecessary details here.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 illustrates a schematic structural view of a scroll compressor according to an embodiment of the present invention;

FIG. 2 illustrates a partial schematic view of a scroll compressor according to an embodiment of the present invention;

FIG. 3 illustrates a schematic structural view of a fixed scroll according to an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a movable scroll according to an embodiment of the present invention;

FIG. 5 illustrates a partial structural schematic view of a scroll plate assembly according to an embodiment of the present invention;

FIG. 6 illustrates a schematic top view of a scroll assembly according to an embodiment of the present invention;

figure 7 shows a schematic structural view of a fixed scroll of an embodiment of the present invention;

fig. 8 shows a schematic structural view of a fixed scroll according to another embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:

12 fixed scroll, 122 first end plate, 124 first oil groove, 126 first scroll tooth, 14 movable scroll, 142 second end plate, 144 oil inlet hole, 146 flow guide channel, 148 oil outlet hole, 150 second oil groove, 152 second scroll tooth, 154 second key groove, 16 throttling element, 18 frame, 182 first key groove, 20 backpressure space, 22 key groove, 24 cross slip ring, 26 crankshaft, 262 oil inlet channel, 282 upper cover, 284 lower cover, 286 main body part, 30 compression cavity and 32 motor.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A scroll plate assembly and a scroll compressor according to some embodiments of the present invention will be described with reference to fig. 1 to 8.

Fig. 1 shows an overall structure of a scroll compressor according to an embodiment of the present invention. The scroll compressor includes a housing, a scroll pack, a frame 18, an oldham ring 24, a crankshaft 26 and a drive section.

As shown in fig. 1, the housing according to an embodiment of the present invention includes a main body 286, an upper cover 282 located at an upper end of the main body 286, and a lower cover 284 located at a lower end of the main body 286, wherein the main body 286 has a substantially cylindrical structure with an upper opening and a lower opening, and the main body 286 is fixed to the upper cover 282 and the lower cover 284 by welding in an airtight manner.

As shown in fig. 1, a scroll assembly of an embodiment of the present invention includes a fixed scroll 12 and a movable scroll 14. The intermeshing portions of the fixed scroll 12 and orbiting scroll 14 form a compression chamber 30, and in particular may form a series of crescent shaped compression chambers 30. In the process of eccentric operation of the movable scroll 14, the crescent-shaped compression cavity 30 can continuously move from the periphery to the center to push the refrigerant in the compression cavity 30 to the center, the volume of the compression cavity 30 is gradually reduced, the internal pressure is continuously increased until the refrigerant becomes high-pressure gas, and the high-pressure gas is discharged from the exhaust hole in the center of the fixed scroll 12 to the compression cavity 30, so that the compression process is completed.

As shown in fig. 2 and 3, the fixed scroll 12 of an embodiment of the present invention includes a first end plate 122 and a first scroll slot located on the first end plate 122. A first oil groove 124 is formed in an end surface of the first end plate 122 adjacent to the orbiting scroll 14, and the first oil groove 124 is formed in the outer periphery of the first wrap 126. The first oil groove 124 can be partially exposed to the outer edge of the second end plate 142 of the orbiting scroll 14 during the eccentric operation of the orbiting scroll 14 to communicate with the back pressure space 20 of the compressor. The first oil groove 124 may be intermittently exposed to the outer edge of the second end plate 142 during the eccentric operation of the orbiting scroll 14, or may be always exposed to the outer edge of the second end plate 142.

Since the first oil groove 124 can be exposed to the outer edge of the second end plate 142, the first oil groove 124 can communicate with the back pressure space 20 of the compressor through the opening between the outer edge of the second end plate 142 and the frame 18 of the compressor. The refrigerant oil can be introduced into the key groove 22 of the oldham ring 24 inside the frame 18 and the back pressure space 20 by using the pressure difference, so that the oldham ring 24 and the key groove 22 can be lubricated, and the reliability of the compressor can be improved. Moreover, since the second end plate 142 can partially shield the first oil groove 124, the orbiting scroll 14 can float upward under the air pressure of the back pressure space 20 during the compression of the refrigerant, and can move eccentrically in translation in close contact with the fixed scroll 12, and the refrigerant oil can be introduced from the first oil groove 124 to the end plate contact portion (i.e., the region of the first end plate 122 for contacting the second end plate 142) of the orbiting scroll 14 and the fixed scroll 12, so that the lubrication of the surface contact portion can be increased, and the sealing of the oil film reinforcing refrigerant can be formed.

In some embodiments, first oil groove 124 extends radially of first end plate 122. The first oil groove 124 is beneficial to being communicated with the oil outlet hole 148 during the eccentric rotation of the movable scroll 14 and is exposed out of the outer edge of the second end plate 142.

In some embodiments, as shown in fig. 7 and 8, the first oil groove 124 is configured as a V-shaped groove or an L-shaped groove or a triangular groove or a circular groove. Of course, the first oil groove 124 may be an elliptical groove or a groove with other shapes. The specific shape and/or size (e.g., width) of the first oil groove 124 may depend on the amount of oil supply.

In some embodiments, the number of first oil grooves 124 is one or two.

Specifically, in the case where the number of the first oil grooves 124 is two, it may be used to communicate with the oil inlet holes 144, and to be exposed to the outer edge of the second end plate 142, respectively. And may be adapted to communicate with the oil inlet hole 144 and to be exposed to the outer edge of the second end plate 142.

In some embodiments, as shown in fig. 2 and 3, a second oil groove 150 is provided on an end surface of the first end plate 122 of the fixed scroll 12 facing the orbiting scroll 14, and the second oil groove 150 is an arc-shaped oil groove partially surrounding the first wrap 126. The second end plate 142 blocks the second oil groove 150. So that the refrigerant oil in the second oil groove 150 can be introduced into the gap between the first end plate 122 and the second end plate 142 for lubrication.

As shown in fig. 6, during the eccentric operation of the movable scroll 14, the oil outlet hole 148 can move along the path S and can communicate with the first oil groove 124 and the second oil groove 150 in turn.

In some embodiments, the second oil channel 150 is in communication with the first oil channel 124.

In some embodiments, first oil groove 124 is located on a side of second oil groove 150 facing away from first spiral wrap 126.

In some embodiments, the first oil groove 124 is spaced from the second oil groove 150 in the radial direction of the first end plate 122 by less than the eccentric running diameter of the orbiting scroll 14; wherein the eccentric running diameter is the distance between the center line of the second end plate 142 perpendicular to the end surface thereof and the rotation axis of the second end plate 142. The oil outlet hole 148 on the movable scroll 14 is beneficial to ensure that the first oil groove 124 and the second oil groove 150 can be communicated in sequence in the process of eccentric rotation of the movable scroll 14.

As shown in fig. 4 to 6, the orbiting scroll 14 according to an embodiment of the present invention includes a second end plate 142 and a second spiral wrap 152 provided on the second end plate 142. An oil outlet hole 148 is formed in one end face, close to the fixed scroll 12, of the second end plate 142, an oil inlet hole 144 is formed in one end face, away from the fixed scroll, of the second end plate 142, and a flow guide passage 146 communicating the oil outlet hole 148 with the oil inlet hole 144 is formed in the second end plate 142. The oil outlet hole 148, the oil inlet hole 144 and the flow guiding passage 146 form an oil supply passage. The oil outlet hole 148 can communicate with the first oil groove 124 of the fixed scroll 12 during the eccentric operation of the orbiting scroll 14. So that the freezing oil can sequentially enter the first oil groove 124 through the oil inlet hole 144, the flow guide passage 146, and the oil outlet hole 148.

Alternatively, the oil outlet hole 148 may intermittently communicate with the first oil groove 124 of the fixed scroll 12 during the eccentric operation of the orbiting scroll 14.

In some embodiments, the drainage channel 146 is located in the middle of the second end plate 142, and the drainage channel 146 extends horizontally or approximately horizontally.

In some embodiments, a projection of second oil groove 150 on first end plate 122 on second end plate 142 can at least partially surround second spiral wrap 152.

In some embodiments, the oil outlet hole 148 can also communicate with the second oil groove 150 on the first end plate 122 during the eccentric operation of the orbiting scroll 14. It is convenient to inject the freezing oil into the second oil groove 150.

In some embodiments, the number of oil outlet holes 148 is one or two, and the number of the flow guide passage 146 and the oil inlet hole 144 is one. In the case that the number of the oil outlet holes 148 is two, the oil outlet holes can be used to communicate with the first oil groove 124 and the second oil groove 150, respectively, or can be used to communicate with the first oil groove 124 and the second oil groove 150.

In some embodiments, the number of oil outlet holes 148, oil inlet holes 144, and flow-directing channels 146 is the same and is at least two. Is favorable for full lubrication.

In some embodiments, the oil outlet holes 148 extend in a radial direction of the first end plate 122; and/or the oil inlet holes 144 extend in the extending direction of the rotational axis of the first end plate 122.

In some embodiments, the drainage channel 146 extends from a side of the second end plate 142 to a middle of the second end plate 142; a throttle 16 is provided in the drainage passage 146. The amount of frozen oil and the oil pressure in the drain passage 146 can be adjusted.

The movable scroll 14 according to another embodiment of the present invention includes a second end plate 142 and a second spiral tooth 152 provided on the second end plate 142, and the oil supply passage is provided on the second end plate 142 and extends obliquely upward. Here, the upper side is the direction in which the fixed scroll 12 is located. Need not to set up oil outlet and income oilhole alone, can directly communicate with first oil groove, second oil groove through the both ends opening of fuel feeding passageway.

As shown in fig. 1 and 2, the frame 18 of an embodiment of the present invention can form a back pressure space 20 with the orbiting scroll 14, and the first oil groove 124 can communicate with the key groove 22 through the back pressure space 20 in the process of the eccentric operation of the orbiting scroll 14. The key slot 22 is adapted to receive a key of an oldham ring 24. The convenient back pressure space 20 that introduces the frozen oil in the first oil groove 124 and lubricate the structure in the back pressure space 20, especially under the condition that back pressure space 20 and the keyway 22 that is used for holding the cross sliding ring 24 communicate, this keyway 22 and the key that sets up in keyway 22 can be lubricated to the frozen oil, can effectively reduce the cross sliding ring 24 and with the wearing and tearing of cross sliding ring 24 matched with keyway 22 when scroll compressor heavy load high speed operation, improve scroll compressor's reliability.

In some embodiments, the frame 18 is disposed clear of the first oil sump 124. The refrigerant oil in the first oil tank 124 can be prevented from entering between the frame 18 and the first end plate 122 to a large extent, and the sealing performance between the two can be prevented from being affected.

In other embodiments, the frame 18 may also slightly block the first oil sump 124. The lubricating effect is improved under the condition of not influencing the sealing performance between the two.

In some embodiments, four keys are provided on the oldham ring 24, the number of the corresponding key slots 22 is four, and the two first key slots 182 provided on the frame 18 and the two second key slots 154 provided on the orbiting scroll 14 are provided, and the two first key slots 182 and the two second key slots 154 are both communicated with the back pressure space 20; the projections of the two first key slots 182 and the two second key slots 154 on the first end plate 122 have a minimum central angle equal to or less than 45 ° corresponding to the first oil groove 124. The introduction of the refrigerant oil in the first oil groove 124 into the key groove is facilitated for lubrication.

The four key slots 22 are distributed on the first end plate 122 at intervals of 90 ° from the central angle.

In some embodiments, the scroll compressor also includes a sub-frame 18.

As shown in fig. 1, the crankshaft 26 of an embodiment of the present invention is provided with an oil inlet channel 262, one end of the crankshaft 26 is configured as an eccentric end, the eccentric end is inserted into the accommodating cavity of the end of the movable scroll 14 departing from the fixed scroll 12, and a gap is left between the accommodating cavity, so that the oil inlet hole 144 of the movable scroll 14 can communicate with the oil inlet channel 262 through the gap. The refrigerant oil is convenient to enter the first oil groove 124 and the second oil groove 150 through the oil inlet passage 262, the gap, the oil inlet hole 144, the flow guide passage 146 and the oil outlet hole 148.

In some embodiments, the crankshaft 26 is connected to a motor 32 (a type of drive), and the motor 32 is used to drive the crankshaft 26 to rotate, thereby driving the orbiting scroll 14 to eccentrically operate.

An aspect embodiment of the present invention provides a refrigeration system, including a scroll compressor as in any one of the above embodiments. The scroll compressor provided with any of the embodiments further has the beneficial effects of any of the embodiments, and therefore, the description is omitted.

A specific embodiment of the utility model provides a scroll compressor that reliability is strong sets up radial oil groove (first oil groove 124) in the outside of the first vortex line tooth 126 on the first end plate 122 of static vortex dish 12, corresponds the intercommunication with the high-pressure oilhole (oil outlet 148) that the vortex dish 14 was drawn forth, conveniently provides the refrigeration oil lubrication in the keyway 22 of the cross sliding ring 24 in the backpressure space 20.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (18)

1. A scroll plate assembly for a compressor, the scroll plate assembly comprising:

the fixed scroll comprises a first end plate, and a first oil groove is formed in one end face of the first end plate;

the movable scroll comprises a second end plate, and an oil supply channel is arranged on the second end plate;

the oil supply passage can be communicated with the first oil groove in the eccentric operation process of the movable scroll, and the first oil groove can be partially exposed out of the outer edge of the second end plate in the eccentric operation process of the movable scroll so as to be communicated with the back pressure space of the compressor.

2. The scroll plate assembly of claim 1,

the oil supply channel comprises an oil inlet hole, an oil outlet hole and a drainage channel, the oil inlet hole and the oil outlet hole are respectively positioned on two end faces of the second end plate, and the drainage channel is communicated with the oil inlet hole and the oil outlet hole;

the oil outlet hole can be communicated with the first oil groove in the process of eccentric running of the movable scroll.

3. The scroll pack of claim 1 or 2,

a second oil groove is further formed in one end face of the first end plate, and the second end plate shields the second oil groove;

the oil supply passage may be also communicated with the second oil groove during eccentric operation of the orbiting scroll.

4. The scroll plate assembly of claim 3,

the distance between the first oil groove and the second oil groove in the radial direction of the first end plate is smaller than the eccentric running diameter of the movable scroll;

wherein the eccentric operating diameter is the distance between a center line of the second end plate perpendicular to the end surface thereof and the rotation axis of the second end plate.

5. The scroll plate assembly of claim 3,

the fixed scroll further comprises a first wrap disposed on the first end plate;

the second oil groove at least partially surrounds the first scroll wrap, and the first oil groove is located on one side of the second oil groove, which is away from the first scroll wrap.

6. The scroll plate assembly of claim 5,

the second oil groove is configured as an arc-shaped oil groove.

7. The scroll pack of claim 1 or 2,

at least a portion of the first oil groove extends in a radial direction of the first end plate.

8. The scroll pack of claim 1 or 2,

the first oil groove is constructed as a V-shaped groove, an L-shaped groove, a triangular groove or a circular groove.

9. The scroll plate assembly of claim 2,

the number of the first oil grooves is multiple; or

The number of the oil outlet holes is multiple; or

The oil outlet, the oil inlet and the drainage channels are the same in number and are all multiple.

10. The scroll plate assembly of claim 2,

at least part of the oil outlet holes extend along the radial direction of the first end plate; and/or

The oil inlet hole extends in an extending direction of a rotational axis of the first end plate.

11. The scroll plate assembly of claim 2,

the drainage channel extends from a side of the second end plate to a middle of the second end plate;

and a throttling piece is arranged in the drainage channel.

12. A scroll compressor, comprising:

a scroll assembly according to any one of claims 1 to 11.

13. The scroll compressor of claim 12, further comprising:

the backpressure space is formed between the frame and the movable scroll plate and communicated with a key groove, and the key groove is used for accommodating a key of the cross slip ring;

the first oil groove can communicate with the key groove through the back pressure space during eccentric operation of the orbiting scroll.

14. The scroll compressor of claim 13,

the frame is arranged to avoid the first oil groove.

15. The scroll compressor of claim 13,

the frame is provided with two first key grooves, the movable scroll plate is provided with two second key grooves, and the two first key grooves and the two second key grooves are used for accommodating keys of the cross slip ring;

the projections of the two first key grooves and the two second key grooves on the first end plate have a minimum central angle less than or equal to 45 degrees corresponding to the first oil grooves.

16. The scroll compressor of any one of claims 12 to 15, further comprising:

the crankshaft is connected with the movable scroll plate, an oil inlet channel is arranged on the crankshaft, and the oil inlet channel is communicated with the oil supply channel;

and the driving part is connected with the crankshaft and is used for driving the crankshaft to rotate so as to drive the movable scroll to eccentrically rotate.

17. The scroll compressor of claim 16,

an accommodating cavity is formed in one end, away from the fixed scroll, of the movable scroll, and the eccentric end of the crankshaft extends into the accommodating cavity and a gap is reserved between the eccentric end of the crankshaft and the wall of the accommodating cavity;

the oil supply passage is communicated with the oil inlet passage through the gap.

18. A refrigeration system, comprising:

a scroll compressor as claimed in any one of claims 12 to 17.

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