CN216642452U

CN216642452U - Scroll compressor who moves scroll dish subassembly and applied this subassembly

Info

Publication number: CN216642452U
Application number: CN202123340456.7U
Authority: CN
Inventors: 戈大伟; 银峰; 程旭
Original assignee: Suzhou Ruiqu Electric Technology Co ltd
Current assignee: Suzhou Ruiqu Electric Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-31
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to the technical field of automotive compressors, in particular to a movable scroll assembly which comprises a main bearing seat and a movable scroll, wherein the movable scroll comprises an end plate and a movable scroll part, an anti-rotation column is arranged on the end surface, facing the end plate, of the main bearing seat, a hub part and an anti-rotation ring corresponding to the anti-rotation column are arranged on the end surface, facing the main bearing seat, of the end plate, and a plurality of air inlet through grooves are formed in the periphery of the main bearing seat in a penetrating manner; the outer edge of one side, facing the main bearing seat, of the end plate is provided with an annular groove, and the annular groove is partially overlapped with the air inlet through grooves when the movable scroll plate rotates eccentrically; and a scroll compressor using the assembly; the scroll compressor comprises a controller, a machine shell, a motor, the movable scroll assembly and a fixed scroll, wherein the motor, the movable scroll assembly and the fixed scroll are arranged in the machine shell; the utility model effectively solves the problem that the energy efficiency of the scroll compressor is reduced due to pressure drop in the prior art; the scroll compressor provided by the utility model has the advantages of stable operation, small vibration and high working energy efficiency.

Description

Scroll compressor who moves scroll dish subassembly and applied this subassembly

Technical Field

The utility model relates to the technical field of automotive compressors, in particular to a movable scroll assembly and a scroll compressor using the same.

Background

The existing automotive scroll compressor generally comprises a shell, a motor, a fixed scroll, a movable scroll and a main bearing seat, wherein the motor, the fixed scroll, the movable scroll and the main bearing seat are installed in the shell; in the prior art, in order to save the cost of the scroll compressor, the discharge capacity of the compressor is increased under the condition of changing the overall size of the outer diameter of the scroll compressor as much as possible, the effect is generally obtained by increasing the radial size of the movable scroll plate, and the problem that the energy efficiency of the compressor is reduced due to pressure drop caused by the fact that the air inlet area of an air inlet through groove on a main bearing seat is reduced correspondingly occurs; the technical scheme which is the same as or similar to the technical scheme of the utility model is not found after retrieval.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a move scroll dish subassembly and applied scroll compressor of this subassembly to in order to practice thrift the cost among the prior art, increase the discharge capacity of compressor under the condition of as far as possible not changing compressor external diameter overall dimension, increase the radial dimension who moves the scroll dish, thereby make the area of admitting air of the logical groove of admitting air on the main bearing housing diminish and produce the pressure drop, cause the problem that the compressor efficiency descends.

The technical scheme of the utility model is as follows: a movable scroll plate assembly comprises a main bearing seat and a movable scroll plate, wherein the movable scroll plate comprises an end plate and a movable scroll part, an anti-rotation column is arranged on the end surface, facing the end plate, of the main bearing seat, a hub part and an anti-rotation ring corresponding to the anti-rotation column are arranged on the end surface, facing the main bearing seat, of the end plate, and a plurality of air inlet through grooves are formed in the periphery of the main bearing seat in a penetrating mode; the outer edge of one side, facing the main bearing seat, of the end plate is provided with an annular groove, and the annular groove is partially overlapped with the air inlet through grooves when the movable scroll plate rotates eccentrically.

Preferably, the annular groove extends outwards along the radial direction of the end plate to form a plurality of convex parts, and the edges of the convex parts do not exceed the edge of the end plate; a plurality of notches are formed in the axial direction of the end plate, close to the plurality of convex parts; the radial area of the notches along the end plate is larger than that of the lug boss along the end plate, and the inner space of the notches is communicated with the inner space of the annular groove.

Preferably, the number of the air inlet through grooves, the protruding parts and the notches is six.

The scroll compressor comprises a controller, a shell, a motor, the movable scroll plate assembly and the fixed scroll plate, wherein the motor is arranged in the shell; the shell comprises a shell body and a top cover, wherein the shell body is provided with an air suction port for allowing refrigerant gas to enter, and the top cover is provided with an air exhaust port for exhausting the refrigerant gas; a crank shaft is arranged in the motor, penetrates through the main bearing seat and is mounted on the movable scroll plate; the movable scroll plate is arranged in the fixed scroll plate and meshed with the fixed scroll plate to form a scroll compression cavity; the fixed scroll is arranged on the top cover, and an air outlet is formed in the fixed scroll; the air suction port is communicated with the air inlet through groove on the main bearing seat through the interior of the machine shell, and the air outlet is communicated with the air exhaust port.

Preferably, the driving end of the crankshaft is provided with an eccentric shaft, the eccentric shaft is mounted in the hub through a first bearing, and the eccentric shaft is provided with a balance block far away from the first bearing.

Preferably, a second bearing is arranged in the main bearing seat, and the second bearing is sleeved on the periphery of the crankshaft.

Compared with the prior art, the utility model has the advantages that:

(1) in one embodiment of the utility model, the outer edge of one side of the end plate of the movable scroll plate component, which faces the main bearing seat, is provided with an annular groove, and the annular groove is partially overlapped with the plurality of air inlet through grooves when the movable scroll plate rotates eccentrically, so that refrigerant gas in the air inlet through grooves enters the scroll compression cavity along the annular groove, the refrigerant gas can be guided to enter the scroll compression cavity to flow more smoothly, and the gas pressure drop is reduced; in another embodiment of the utility model, the annular groove is extended outwards along the radial direction of the end plate, a plurality of notches are arranged on the axial direction of the end plate and are close to the plurality of protrusions, the internal space of the notches is communicated with the internal space of the annular groove, and the notches are matched with the protrusions, so that on one hand, when a machine tool processes the movable scroll plate, a clamp can extend into the notches to press the protrusions, the machining of the movable scroll plate is fixed, the machining precision of the movable scroll plate is improved, on the other hand, the internal space of the notches is communicated with the internal space of the annular groove, the circulation channel of refrigerant gas entering a scroll compression cavity is ensured, and the problem of energy efficiency reduction of the scroll compressor caused by pressure drop in the prior art is effectively solved; the utility model has simple structure and strong practicability.

(2) The scroll compressor comprises a controller, a shell, a motor, the movable scroll plate component and the fixed scroll plate, wherein the motor, the movable scroll plate component and the fixed scroll plate are arranged in the shell; the eccentric shaft is provided with the balance block, so that the scroll compressor is stable in operation, small in vibration and high in working efficiency.

Drawings

The utility model is further described with reference to the following figures and examples:

FIG. 1 is a schematic structural diagram of a movable scroll in the prior art;

FIG. 2 is a schematic illustration of an orbiting scroll assembly according to one embodiment;

FIG. 3 is a schematic structural view of an orbiting scroll in an orbiting scroll assembly according to one embodiment;

FIG. 4 is a front view of FIG. 2;

FIG. 5 is a schematic structural view of an orbiting scroll assembly according to a second embodiment;

FIG. 6 is an exploded view of the orbiting scroll assembly of FIG. 5 and its assembly with the balance weight;

FIG. 7 is an enlarged schematic view A of FIG. 5;

FIG. 8 is a schematic view of the structure of an orbiting scroll in an orbiting scroll assembly according to a second embodiment;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a schematic view of a scroll compressor according to an embodiment;

fig. 11 is a cross-sectional view of fig. 10.

Wherein:

10. a main bearing seat 11, an air inlet through groove 12 and an anti-autorotation column;

20. the movable vortex plate 21, the end plate 211, the anti-self-rotation ring 212, the hub 213, the annular groove 214, the bulge 215, the notch 22 and the movable vortex part;

30. the device comprises a controller 40, a machine shell 41, a shell 411, an air inlet 42, a top cover 421, an air outlet 50, a motor 60, a fixed scroll 61, an air outlet 70, a crankshaft 71, an eccentric shaft 80, a scroll compression cavity 90 and a balance block.

Detailed Description

The present invention will be further described in detail with reference to the following specific examples:

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

As shown in fig. 2 and 3, a movable scroll assembly includes a main bearing seat 10 and a movable scroll 20, the movable scroll 20 includes an end plate 21 and a movable scroll part 22, an anti-rotation column 12 is disposed on an end surface of the main bearing seat 10 facing the end plate 21, a boss 212 and an anti-rotation ring 211 corresponding to the anti-rotation column 12 are disposed on an end surface of the end plate 21 facing the main bearing seat 10, the anti-rotation column 12 is disposed in the anti-rotation ring 211 and cooperates with the anti-rotation ring 211 to prevent the movable scroll 20 from rotating under the driving of an eccentric shaft 71.

A plurality of air inlet through grooves 11 are formed in the periphery of the main bearing seat 10 in a penetrating manner, and the air inlet through grooves 11 supply air to the movable scroll 20 and the fixed scroll 60; an annular groove 213 is formed in the outer edge of one side of the end plate 21 facing the main bearing seat 10, and when the movable scroll 20 rotates eccentrically, the annular groove 213 is partially overlapped with the plurality of air inlet through grooves 11; as shown in fig. 4, when the radial dimension of the movable scroll 20 is too large, the end plate 21 of the movable scroll 20 blocks the portion of the air inlet groove 11 on the main bearing seat 10 at a certain moment when the movable scroll 20 performs eccentric rotation, thereby reducing the flow area of the refrigerant gas; in this embodiment, the annular groove 213 on the end plate 21 enables the refrigerant gas in the air inlet through groove 11 to enter the scroll compression cavity 80 along the annular groove 213, which is beneficial to guiding the refrigerant gas to enter the scroll compression cavity 80 to flow more smoothly and reduce the gas pressure drop compared with the end plate 21 (as shown in fig. 1) without the annular groove 213 in the prior art; in this embodiment, the number of the air inlet through grooves 11, the protrusions 214, and the notches 215 is six, and the number of the air inlet through grooves, the number of the protrusions 214, and the number of the notches 215 may be set as required, and is not limited herein.

Example two

As shown in fig. 5-9, the second embodiment differs from the first embodiment in that: the annular groove 213 extends outwards along the radial direction of the end plate 21 to form a plurality of protrusions 214, and the edges of the plurality of protrusions 214 do not exceed the edge of the end plate 21; a plurality of notches 215 are arranged on the end plate 21 and are axially adjacent to the plurality of convex parts 214; the radial area of the plurality of notches 215 along the end plate 21 is larger than the radial area of the convex part 214 along the end plate 21, and the internal space of the plurality of notches 215 is communicated with the internal space of the annular groove 213; in the second embodiment, the number of the air inlet through groove 11, the protruding portions 214 and the notches 215 is six, and six notches 215 are matched with six protruding portions 214, on one hand, when the movable scroll 20 is machined by a machine tool, the clamp can extend into the notches 215 to press the protruding portions 214, so that the machining of the movable scroll 20 is fixed, the machining precision of the movable scroll 20 is improved, on the other hand, the inner space of the notches 215 is communicated with the inner space of the annular groove 213, it is ensured that the part of the air inlet through groove 11 is not blocked, and the refrigerant gas enters the scroll compression cavity 80 and flows smoothly (as shown by dotted lines in fig. 7).

As shown in fig. 10 and 11, the present embodiment further provides a scroll compressor, which includes a controller 30, a casing 40, and a motor 50 installed inside the casing 40, a movable scroll assembly and a fixed scroll 60 in the first embodiment or the second embodiment; the cabinet 40 includes a case 41 and a top cover 42, the controller 30 and the top cover 42 being respectively installed to both ends of the case 41; an air inlet 411 for the refrigerant gas to enter is arranged on the shell 41, and an air outlet 421 for the refrigerant gas to discharge is arranged on the top cover 42; a crankshaft 70 is arranged in the motor 50, specifically, a second bearing is arranged in the main bearing seat 10, the second bearing is sleeved on the periphery of the crankshaft 70, and the crankshaft 70 penetrates through the main bearing seat 10 and is installed on the movable scroll plate 20; the driving end of the crankshaft 70 is provided with an eccentric shaft 71, the eccentric shaft 71 is mounted in the hub part 212 through a first bearing, the eccentric shaft 71 is provided with a balance block 90 away from the first bearing end, and the balance block 90 is used for ensuring the balance of the eccentric rotating part; the movable scroll 20 is arranged in the fixed scroll 60 and meshed with the fixed scroll 60 to form a scroll compression chamber 80; the fixed scroll 60 is mounted on the top cover 42, and an air outlet 61 is arranged on the fixed scroll 60; the air inlet 411 is communicated with the air inlet through slot 11 of the main bearing housing 10 through the inside of the housing 40, and the air outlet 61 is communicated with the air outlet 421.

In practical application, the refrigerant gas enters the casing 40 through the air suction port 411, the motor 50 enters the scroll compression cavity 80 from the air inlet through groove 11 on the main bearing seat 10, the eccentric wheel drives the movable scroll 20 to rotate around the base circle of the fixed scroll by a certain radius value with the base circle of the fixed scroll as the center to compress the refrigerant gas, and the refrigerant gas is discharged to the outside of the scroll compressor from the air outlet 61 and the air outlet 421 after being compressed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a move vortex dish subassembly, includes main bearing seat (10), moves vortex dish (20), move vortex dish (20) including end plate (21), move vortex portion (22), main bearing seat (10) are equipped with on the terminal surface of end plate (21) and prevent from revolving post (12), end plate (21) are equipped with hub (212) and prevent from revolving ring (211) that correspond with preventing from revolving post (12) on the terminal surface of main bearing seat (10), its characterized in that: a plurality of air inlet through grooves (11) are formed in the periphery of the main bearing seat (10) in a penetrating manner; the outer edge of one side, facing the main bearing seat (10), of the end plate (21) is provided with an annular groove (213), and when the annular groove (213) rotates eccentrically with the movable scroll (20), the annular groove partially coincides with the air inlet through grooves (11).

2. An orbiting scroll assembly according to claim 1, wherein: the annular groove (213) is provided with a plurality of protrusions (214) which extend outwards along the radial direction of the end plate (21), and the edges of the protrusions (214) do not exceed the edge of the end plate (21); a plurality of notches (215) are formed in the axial direction of the end plate (21) and are close to the plurality of protruding parts (214); the radial area of the plurality of notches (215) along the end plate (21) is larger than the radial area of the lug boss (214) along the end plate (21), and the inner space of the plurality of notches (215) is communicated with the inner space of the annular groove (213).

3. An orbiting scroll assembly according to claim 2, wherein: the number of the air inlet through grooves (11), the protruding parts (214) and the notches (215) is six.

4. A scroll compressor characterized by: comprising a controller (30), a housing (40), and a motor (50) mounted within the housing (40), an orbiting scroll assembly according to any one of claims 1 to 3, a fixed scroll (60); the casing (40) comprises a casing (41) and a top cover (42), wherein the casing (41) is provided with a suction port (411) for refrigerant gas to enter, and the top cover (42) is provided with an exhaust port (421) for refrigerant gas to exhaust; a crankshaft (70) is arranged in the motor (50), and the crankshaft (70) penetrates through the main bearing seat (10) and is installed on the movable scroll (20); the movable scroll (20) is arranged in the fixed scroll (60) and meshed with the fixed scroll (60) to form a scroll compression cavity (80); the fixed scroll (60) is arranged on the top cover (42), and an air outlet (61) is formed in the fixed scroll (60); the air suction port (411) is communicated with an air inlet through groove (11) on the main bearing seat (10) through the interior of the machine shell (40), and the air outlet (61) is communicated with the air outlet (421).

5. The scroll compressor of claim 4, wherein: the driving end of the crankshaft (70) is provided with an eccentric shaft (71), the eccentric shaft (71) is mounted in the hub (212) through a first bearing, and a balance block (90) is mounted at the end, far away from the first bearing, of the eccentric shaft (71).

6. The scroll compressor of claim 4, wherein: a second bearing is arranged in the main bearing seat (10) and sleeved on the periphery of the crank shaft (70).