CN220378472U - Scroll compressor and air conditioner - Google Patents

Abstract

The utility model relates to the technical field of air conditioners, in particular to a scroll compressor and an air conditioner. The device comprises a shell, a movable disc, a static disc, an eccentric sleeve and a crankshaft, wherein the shell comprises a shell and a front end cover, and the shell is fixedly connected with the front end cover; the movable disc and the static disc are arranged in a cavity formed by the shell, and are mutually spliced; one end of the crankshaft extends into the shell, the eccentric sleeve is sleeved at one end of the crankshaft extending into the shell, the bearing is fixedly sleeved on the periphery of the eccentric sleeve and arranged in the movable disc, and the eccentric sleeve is inserted into the movable disc to drive the movable disc to rotate; the crankshaft and the eccentric sleeve are respectively formed with gaps with the movable plate, the front end cover is provided with a first oil passage, the crankshaft is axially provided with a second oil passage, and an outlet of the second oil passage is arranged at the end part of Qu Zhoutao, which is provided with the eccentric sleeve. The oil enters between the eccentric sleeve and the bearing through the gap, so that the purpose of lubricating the contact surfaces of the eccentric sleeve and the bearing is achieved, and the power consumption of the scroll compressor is prevented from rising due to abrasion in the working process.

Description

Scroll compressor and air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to a scroll compressor and an air conditioner.

Background

The scroll compressor is widely applied to the fields of refrigeration air-conditioning, heat pump and the like due to the characteristics of high efficiency, small volume, light weight, stable operation and the like. Generally, a scroll compressor is composed of a hermetic shell, a stationary plate, a movable plate, a crankshaft and a motor, wherein the crankshaft is fixedly sleeved with an eccentric shaft sleeve, the outer periphery of the eccentric shaft sleeve is fixedly sleeved with a bearing, the eccentric bearing is partially inserted into the movable plate to drive the movable plate to rotate, molded lines of the movable plate and the stationary plate are spiral, and the movable plate is eccentric relative to the stationary plate and is installed at a 180-degree difference, so that a plurality of crescent spaces are formed between the movable plate and the stationary plate. When the movable disk rotates around the center of the static disk and rotates and translates without rotation with a certain radius, the crescent space of the outer ring moves towards the center continuously, at this time, the refrigerant is pushed to the center space gradually, the volume of the refrigerant is reduced continuously and the pressure of the refrigerant is increased continuously until the refrigerant is communicated with the central exhaust hole, and the high-pressure refrigerant is discharged out of the pump body to complete the compression process.

In the operation process of the compressor, the motor can drive the crankshaft to always perform rotary motion, the movable disc keeps doing translational motion along with the rotary crankshaft, the bearing and the eccentric sleeve can be always rubbed in the motion process, abrasion is caused, and the power consumption of the compressor is increased.

Accordingly, there is a need for a scroll compressor and an air conditioner to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a scroll compressor and an air conditioner, which can lubricate a bearing and an eccentric sleeve in the compressor, reduce abrasion and prevent the power consumption of the compressor from rising.

To achieve the purpose, the utility model adopts the following technical scheme:

a scroll compressor comprising:

the shell comprises a shell and a front end cover, wherein the shell is fixedly connected with the front end cover, and a containing cavity is formed between the shell and the front end cover;

the movable disc and the static disc are arranged in a cavity formed by the shell, and are mutually spliced;

the eccentric sleeve is sleeved at one end of the crankshaft, which extends into the shell, and the periphery of the eccentric sleeve is fixedly sleeved with a bearing which is arranged in the movable disc, and the eccentric sleeve is inserted into the movable disc to drive the movable disc to rotate;

the crankshaft and the eccentric sleeve are respectively formed with gaps with the movable disc, the front end cover is provided with a first oil duct, the crankshaft is axially provided with a second oil duct, an outlet of the second oil duct is arranged at the end part of the eccentric sleeve, which is sleeved with the crankshaft, of the crankshaft, and the first oil duct is communicated with the second oil duct.

As a preferred technical scheme of the scroll compressor, the scroll compressor further comprises an anti-rotation ring, the anti-rotation ring is arranged at the end part of the front end cover, which is inserted into the casing, wear-resisting plates are arranged between the anti-rotation ring and the casing, an anti-rotation pin is arranged at one end of the front end cover, which faces the movable plate, and the anti-rotation ring is provided with a pin hole, and the anti-rotation pin is matched with the anti-rotation pin to limit the rotation of the movable plate.

As a preferable technical scheme of the scroll compressor, the front end cover is provided with a third oil duct, the third oil duct is communicated with the first oil duct, and an outlet of the third oil duct is arranged at the end part of the front end cover, which is inserted into the casing.

As a preferable technical scheme of the scroll compressor, the anti-rotation ring is provided with an oil inlet hole and an oil inlet groove, the oil inlet hole is axially formed along the anti-rotation ring, the oil inlet groove is formed in the end face of the anti-rotation ring, which faces the wear pad, and the oil inlet hole is respectively communicated with the third oil duct and the oil inlet groove.

As a preferable mode of the above scroll compressor, the oil inlet groove includes an annular oil groove and a straight oil groove, a plurality of the straight oil grooves are circumferentially arranged on an outer periphery of the annular oil groove, and the oil inlet hole communicates with one of the plurality of the straight oil grooves.

As a preferable mode of the above scroll compressor, the plurality of straight oil grooves are circumferentially and uniformly arranged on the outer periphery of the annular oil groove.

As a preferable technical scheme of the scroll compressor, the first oil passage is respectively perpendicular to the second oil passage and the third oil passage.

As a preferable technical scheme of the scroll compressor, the scroll compressor further comprises an anti-rotation shaft sleeve, and the anti-rotation shaft sleeve is sleeved on the periphery of the anti-rotation pin.

As a preferable technical scheme of the scroll compressor, a shaft seal is provided between the other end of the crankshaft and the front end cover.

The utility model also provides an air conditioner comprising the scroll compressor according to any one of the schemes.

The utility model has the beneficial effects that:

the vortex compressor comprises a shell, a movable disc, a static disc, an eccentric sleeve and a crankshaft, wherein the shell comprises a shell and a front end cover, and the shell is fixedly connected with the front end cover; the movable disc and the static disc are arranged in a cavity formed by the shell, and are mutually spliced; one end of the crankshaft extends into the shell, the eccentric sleeve is sleeved at one end of the crankshaft extending into the shell, the bearing is fixedly sleeved on the periphery of the eccentric sleeve and arranged in the movable disc, and the eccentric sleeve is inserted into the movable disc to drive the movable disc to rotate; the crankshaft and the eccentric sleeve are respectively formed with gaps with the movable plate, the front end cover is provided with a first oil duct, the crankshaft is axially provided with a second oil duct, an outlet of the second oil duct is arranged at the end part of the Qu Zhoutao eccentric sleeve, and the first oil duct is communicated with the second oil duct. The import of first oil duct is provided with the oil separator, in oil enters into first oil duct through the oil separator like this, because second oil duct and first oil duct intercommunication, oil enters into the second oil duct through first oil duct, in the oil enters into the clearance that bent axle and movable disk formed after flowing out from the second oil duct like this, oil enters into between eccentric sleeve and the bearing through the clearance like this, has played the lubricated purpose of contact surface to eccentric sleeve and bearing two like this, prevent the two wear to lead to scroll compressor consumption to rise in the course of the work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a cross-sectional view of a scroll compressor provided in an embodiment of the present utility model;

FIG. 2 is a front view of a crankshaft provided in an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a front view of an eccentric sleeve provided by an embodiment of the present utility model;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 4;

FIG. 6 is a front view of an anti-rotation ring and front end cap assembled according to an embodiment of the present utility model;

fig. 7 is a partial cross-sectional view of fig. 6.

FIG. 8 is a front view of an anti-rotation ring according to an embodiment of the present utility model;

FIG. 9 is a front view of a front end cover provided by an embodiment of the present utility model;

fig. 10 is a cross-sectional view taken at C-C of fig. 9.

In the figure:

1. a housing; 11. a housing; 12. a front end cover; 121. a first oil passage; 122. a third oil passage; 123. a shaft hole; 13. a bolt; 2. a movable plate; 3. a static disc; 4. an eccentric sleeve; 41. a first mounting hole; 5. a crankshaft; 51. a second oil passage; 6. an anti-rotation ring; 61. a pin hole; 62. an oil inlet hole; 63. an oil inlet groove; 631. an annular oil groove; 632. a straight oil groove; 7. wear-resistant plate; 8. an anti-rotation sleeve; 9. a shaft seal; 10. and (3) a bearing.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, the embodiment of the present utility model provides a scroll compressor capable of lubricating an eccentric sleeve 4 and a bearing 10 in operation, preventing the abrasion of a position where the eccentric sleeve 4 and the bearing 10 are in contact from being serious to cause the overall power consumption of the scroll compressor to be increased.

Specifically, as shown in fig. 1 to 3, the vortex compressor comprises a shell 1, a movable disc 2, a static disc 3, an eccentric sleeve 4 and a crankshaft 5, wherein the shell 1 comprises a shell 11 and a front end cover 12, the shell 11 and the front end cover 12 are fixedly connected, and can be particularly fixedly connected through bolts or welded, a sealing ring is arranged between the shell 11 and the front end cover 12, and a sealed accommodating cavity is formed between the shell 11 and the front end cover 12; the movable disc 2 and the static disc 3 are both arranged in a cavity formed by the shell 11, and the static disc 3 is fixedly connected with the shell 11 through a bolt 13; the movable disc 2 and the static disc 3 are mutually spliced; one end of the crankshaft 5 extends into the shell 1, the eccentric sleeve 4 is sleeved at one end of the crankshaft 5 extending into the shell 1, a bearing 10 is fixedly sleeved on the periphery of the eccentric sleeve 4, the bearing 10 is arranged in the movable disc 2, and the eccentric sleeve 4 is inserted into the movable disc 2 to drive the movable disc 2 to rotate; the crankshaft 5 and the eccentric sleeve 4 are respectively formed with gaps with the movable plate 2, the front end cover 12 is provided with a first oil duct 121 and a shaft hole 123, the crankshaft 5 is arranged on the front end cover through the shaft hole 123, the crankshaft is axially provided with a second oil duct 51, an outlet of the second oil duct 51 is arranged at the end part of the crankshaft 5, sleeved with the eccentric sleeve 4, and the first oil duct 121 is communicated with the second oil duct 51. The bearing 10 is a sliding bearing.

The inlet of the first oil duct 121 is provided with the oil separator, so that oil enters the first oil duct 121 through the oil separator, and because the second oil duct 51 is communicated with the first oil duct 121, oil enters the second oil duct 51 through the first oil duct 121, so that the oil flows out of the second oil duct 51 and then enters a gap formed by the crankshaft 5 and the movable disc 2, and the oil enters between the eccentric sleeve 4 and the bearing 10 through the gap, so that the purpose of lubricating contact surfaces of the eccentric sleeve 4 and the bearing 10 is achieved, and the power consumption of the scroll compressor is prevented from rising due to abrasion in the working process.

In order to prevent oil from flowing out of the housing 1 and to improve the sealing performance of the whole housing 1 of the scroll compressor 11, a shaft seal 9 is provided between the other end of the crankshaft 5 and the front end cover 12.

As shown in fig. 4 and 5, the eccentric sleeve 4 has a first mounting hole 41 through which the crankshaft 5 can pass. The first mounting hole 41 is provided at one side of the central axis of the eccentric sleeve 4.

In order to prevent the stop disc 2 from rotating during operation, and with continued reference to fig. 1 and 6 to 8, in this embodiment, the scroll compressor further includes an anti-rotation ring 6, the anti-rotation ring 6 is disposed at an end portion of the front end cover 12 inserted into the housing 11, a wear-resisting plate 7 is disposed between the anti-rotation ring 6 and the housing 11, an anti-rotation pin 8 is mounted at an end of the movable disc 2 facing the front end cover 12, the anti-rotation ring 6 is provided with a pin hole 61, and the anti-rotation pin 8 cooperates with the anti-rotation ring 6 to limit rotation of the movable disc 2. So that the movable disk 2 can only move linearly. The pin holes 61 are provided in one-to-one correspondence with the rotation preventing pins 8. Further, in this embodiment, the scroll compressor further includes an anti-rotation shaft sleeve (not shown in the figure), and the anti-rotation shaft sleeve is sleeved on the outer periphery of the anti-rotation pin 8, where the anti-rotation shaft sleeve and the anti-rotation pin 8 are disposed in one-to-one correspondence.

In order to prevent wear between the anti-rotation ring 6 and the wear plate 7 and to increase power consumption, in this embodiment, as shown in fig. 7, 9 and 10, the front end cover 12 is further provided with a third oil passage 122, the third oil passage 122 communicates with the first oil passage 121, and an outlet of the third oil passage 122 is provided at an end portion of the front end cover 12 inserted into the housing 11. Wherein the third oil passage 122 is disposed in parallel with the second oil passage 51, which facilitates processing of the third oil passage 122 and the second oil passage 51. The oil enters the third oil duct 122 through the first oil duct 121, and then flows out of the third oil duct 122 to enter between the anti-rotation ring 6 and the wear pad 7, so that the purpose of lubricating the anti-rotation ring 6 and the wear pad 7 is achieved, and the abrasion of the anti-rotation ring 6 and the wear pad 7 is reduced.

Further, as shown in fig. 6 to 8, in order to enable oil to be stored between the anti-rotation ring 6 and the wear plate 7, the anti-rotation ring 6 is provided with an oil inlet hole 62 and an oil inlet groove 63, the oil inlet hole 62 is disposed along the axial direction of the anti-rotation ring 6, that is, the central axis of the oil inlet 62 is disposed in parallel with the central axis of the anti-rotation ring 6; the oil inlet groove 63 is provided at the end face of the anti-rotation ring 6 facing the wear plate 7, and the oil inlet hole 62 communicates with the third oil passage 122 and the oil inlet groove 63, respectively. The oil enters the oil inlet hole 62 from the third oil duct 122 and then enters the oil inlet groove 63 from the oil inlet hole 62, and as the oil inlet groove 63 is arranged on the end face of the anti-rotation ring 6 facing the wear plate 7, more oil is stored in the oil inlet groove 63, so that the purpose of lubricating the anti-rotation ring 6 and the wear plate 7 can be realized.

Further, the oil inlet groove 63 includes an annular oil groove 631 and a straight oil groove 632, the plurality of straight oil grooves 632 are circumferentially arranged on the outer periphery of the annular oil groove 631, and the oil inlet hole 62 communicates with one of the plurality of straight oil grooves 632, so that oil can enter the annular oil groove 631 and other straight oil grooves 632 through the straight oil grooves 632. The provision of the plurality of straight oil grooves 632 can increase the oil flow area, and improve the actual lubrication area of both the anti-rotation ring 6 and the wear plate 7.

Further, a plurality of straight oil grooves 632 are circumferentially uniformly arranged on the outer circumference of the annular oil groove 631. Thus, the oil liquid between the anti-rotation ring 6 and the wear-resistant piece 7 is uniformly distributed, and the lubrication effect is improved.

In the present embodiment, the first oil passage 121 is disposed perpendicularly to the second and third oil passages 51 and 122, respectively, for the convenience of processing and also for the purpose of improving the fluidity of the oil. The first oil passage 121 is vertically disposed, and the second oil passage 51 and the third oil passage 122 are horizontally disposed.

An embodiment of the present utility model also provides an air conditioner including the scroll compressor provided in the embodiment.

The air conditioner according to the embodiment of the present utility model has all the advantages and beneficial effects of the scroll compressor according to the above embodiment, and will not be described here again.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (7)

1. A scroll compressor comprising:

the shell (1) comprises a shell (11) and a front end cover (12), wherein the shell (11) is fixedly connected with the front end cover (12), and the shell (11) and the front end cover (12) form a containing cavity;

the movable disc (2) and the static disc (3) are arranged in a cavity formed by the shell (11), and the movable disc (2) and the static disc (3) are mutually inserted;

the device comprises an eccentric sleeve (4) and a crankshaft (5), wherein one end of the crankshaft (5) stretches into the shell (1), the eccentric sleeve (4) is sleeved on one end of the crankshaft (5) stretching into the shell (1), a bearing (10) is fixedly sleeved on the periphery of the eccentric sleeve (4), the bearing (10) is arranged in the movable disc (2), and the eccentric sleeve (4) is inserted into the movable disc (2) to drive the movable disc (2) to rotate;

the novel crank is characterized in that a gap is formed between the crank shaft (5) and the eccentric sleeve (4) and the movable disc (2), a first oil duct (121) is arranged on the front end cover (12), a second oil duct (51) is axially arranged on the crank shaft (5), an outlet of the second oil duct (51) is arranged at the end part of the crank shaft (5) sleeved with the eccentric sleeve (4), and the first oil duct (121) is communicated with the second oil duct (51);

the anti-rotation ring (6) is arranged at the end part of the front end cover (12) inserted into the shell (11), an abrasion-resistant sheet (7) is arranged between the anti-rotation ring (6) and the shell (11), an anti-rotation pin (8) is arranged at one end, facing the front end cover (12), of the movable disc (2), the anti-rotation ring (6) is provided with a pin hole (61), and the anti-rotation pin (8) is matched with the anti-rotation pin (8) to limit the rotation of the brake disc (2);

the front end cover (12) is provided with a third oil duct (122), the third oil duct (122) is communicated with the first oil duct (121), and an outlet of the third oil duct (122) is arranged at the end part of the front end cover (12) inserted into the shell (11);

the anti-rotation ring (6) is provided with an oil inlet hole (62) and an oil inlet groove (63), the oil inlet hole (62) is axially arranged along the anti-rotation ring (6), the oil inlet groove (63) is formed in the end face of the anti-rotation ring (6) facing the wear plate (7), and the oil inlet hole (62) is respectively communicated with the third oil duct (122) and the oil inlet groove (63).

2. The scroll compressor according to claim 1, wherein the oil feed groove (63) includes an annular oil groove (631) and a straight oil groove (632), a plurality of the straight oil grooves (632) being circumferentially arranged at an outer periphery of the annular oil groove (631), the oil feed hole (62) being in communication with one of the plurality of the straight oil grooves (632).

3. The scroll compressor according to claim 2, wherein a plurality of the straight oil grooves (632) are circumferentially uniformly arranged on the outer circumference of the annular oil groove (631).

4. The scroll compressor according to claim 1, wherein the first oil passage (121) is disposed perpendicularly to the second oil passage (51) and the third oil passage (122), respectively.

5. The scroll compressor according to claim 1, further comprising an anti-rotation sleeve, said anti-rotation sleeve being fitted around the outer periphery of said anti-rotation pin (8).

6. A scroll compressor according to claim 1, wherein a shaft seal (9) is provided between the other end of the crankshaft (5) and the front end cap (12).

7. An air conditioner comprising the scroll compressor according to any one of claims 1 to 6.