CN218717474U - Vortex disk assembly, compressor and air conditioner - Google Patents

Abstract

The application provides a vortex disc assembly, a compressor and an air conditioner, which comprise a fixed structure, a static vortex disc and an installation structure, wherein the static vortex disc comprises a static disc base plate, and only static scrolls are arranged on the static disc base plate; the fixed structure can fix the static disc substrate on the mounting structure; and a vibration reduction structure is arranged between the static disc base plate and the mounting structure. According to the vortex disc assembly, the weight of the vortex disc can be reduced, the vortex disc structure is simple, and noise can be reduced.

Description

Vortex disk assembly, compressor and air conditioner

Technical Field

The application relates to the technical field of air conditioning systems, in particular to a vortex plate assembly, a compressor and an air conditioner.

Background

At present, among the automobile-used whirlpool dish subassembly that whirlpool of traditional trade, the most protecgulum contact of the whirlpool dish subassembly pump body compresses tightly quiet whirlpool dish and fixes, not only needs to increase quiet whirlpool dish outer fringe structure, causes still that certain degree outer structure is big or complicated, and processing is complicated, and weight increase, and quiet whirlpool dish compresses tightly under the effect of axial gas force with the mounting structure contact in addition, directly transmits great vibration, the noise of production to the mounting structure through quiet whirlpool dish.

Therefore, how to provide a scroll assembly, a compressor and an air conditioner which can reduce the weight of a scroll, make the structure of the scroll simple and reduce noise becomes a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the present invention is to provide a scroll assembly, a compressor, and an air conditioner, which can reduce the weight of a scroll, make the scroll simple in structure, and reduce noise.

In order to solve the above problems, the present application provides a scroll assembly comprising:

a fixed structure;

the static vortex disc comprises a static disc base plate, and only static scrolls are arranged on the static disc base plate;

the fixed structure can fix the static disc substrate on the mounting structure; and a vibration reduction structure is arranged between the static disc base plate and the mounting structure.

Further, a vibration damping layer is arranged on the surface, facing the mounting structure, of the static disc base plate, and the vibration damping layer forms a vibration damping structure.

Further, the vibration reduction structure includes an elastic structure; a gap is formed between the static disc substrate and the mounting structure, the elastic structure is arranged in the gap, and the elastic structure is abutted against the static disc substrate and the mounting structure.

Further, the elastic structure comprises a spring, a first end of the spring is abutted with the mounting structure, and a second end of the spring is abutted with the static disc substrate.

Furthermore, the elastic structure comprises at least one disc spring, and an included angle is formed between the central axis direction of each disc spring and the central axis direction of the static disc base plate.

Further, the elastic structure comprises two disc springs; the scroll assembly has a first cross section in the gap, and the central axis directions of the two disk springs are symmetrically arranged about the first cross section.

Further, a sealing layer is arranged on the outer surface of the elastic structure.

Furthermore, the fixed structure comprises a first screw, a first through hole is formed in the static disc substrate, and the first screw can penetrate through the first through hole and is fixedly connected with the mounting structure, so that the static disc substrate is fixed on the mounting structure.

Further, the scroll assembly also comprises an orbiting scroll engaged with the fixed scroll to form a compression cavity; the first through hole is positioned in the compression cavity, and the scroll disk assembly further comprises a sealing structure; the sealing structure is arranged at the first through hole in a sealing mode so as to seal the compression cavity.

Furthermore, the sealing structure is provided with a spiral hole corresponding to the static scroll; the static scroll can pass through the spiral hole, so that the sealing structure is blocked on the first through hole, and the compression cavity is further sealed.

Further, the sealing structure includes a metal substrate; a sealing layer is arranged on the outer surface of the metal substrate; and/or the outer surface of the metal substrate is coated with a wear-resistant layer.

Further, fixed knot constructs including the second screw, is provided with the second through-hole on the mounting structure, and the second screw can run through the second through-hole to with quiet dish base plate fastening connection, fix mounting structure on quiet dish base plate.

According to yet another aspect of the present application, there is provided a compressor, the scroll assembly being the scroll assembly described above.

According to still another aspect of the present application, there is provided an air conditioner, wherein the compressor is the above-mentioned compressor.

The application provides a vortex disk assembly, a compressor and an air conditioner. The fixed structure is adopted to fix the static disc base plate on the mounting structure, so that the front cover does not need to be adopted to contact and press the static scroll disc to be fixed, and further, other structures on the outer edge of the static scroll disc do not need to be added; the outer edge structure of the static vortex disc can be simplified, the design is light, and the processing efficiency and quality are improved; further reduce the vibration transmission of the pump body and improve the vibration noise. The static vortex disc has the advantages that the structure is simple, the pump body assembly is easy to assemble and fix, and the axial vibration reduction and noise reduction functions are achieved. The vortex disc is simple in structural design, the machining process can be simplified, the machining efficiency is improved, the weight of a pump body is reduced, and the lightweight design effect is achieved to a certain degree. The scroll disc has the advantages that the weight of the scroll disc can be reduced, the structure of the scroll disc is simple, and the noise can be reduced.

Drawings

Fig. 1 is a schematic structural view of a compressor in an embodiment of the present application;

fig. 2 is a schematic view of an installation structure of a compressor in an embodiment of the present application;

FIG. 3 is a schematic structural view of a scroll assembly in a first embodiment of the present application;

FIG. 4 is a schematic structural view of a scroll assembly in a second embodiment of the present application;

FIG. 5 is a schematic view of the construction of a scroll assembly in a third embodiment of the present application;

FIG. 6 is a schematic diagram of an elastic structure in an embodiment of the present application;

FIG. 7 is a schematic structural view of an elastic structure in an embodiment of the present application;

FIG. 8 is an enlarged view taken at A in FIG. 7;

FIG. 9 is a schematic view of the construction of a scroll assembly in a fourth embodiment of the present application.

1. A static scroll pan; 11. a first through hole; 12. a second through hole; 13. a stationary platen base plate; 14. a stationary scroll; 2. a mounting structure; 21. end cover threaded holes; 22. a step surface of the end cap; 23. a threaded hole step surface; 24. mounting grooves; 3. a fixed structure; 31. a first screw; 32. a second screw; 33. a gasket; 4. a vibration reduction structure; 41. a sealing layer; 5. a movable scroll pan; 51. a moving scroll; 6. a sealing structure; 61. a helical bore; 7. and (7) an exhaust port.

Detailed Description

Referring to fig. 1-9 in combination, a scroll assembly comprises a fixed structure 3, a fixed scroll 1 and a mounting structure 2, wherein the fixed scroll 1 comprises a fixed disc base plate 13, and only a fixed wrap 14 is arranged on the fixed disc base plate 13; the fixed structure 3 can fix the static disc substrate 13 on the mounting structure 2; a vibration damping structure 4 is provided between the stationary platen base plate 13 and the mounting structure 2. The fixed structure 3 is adopted to fix the static disc base plate 13 on the mounting structure 2, so that the static scroll disc 1 is not required to be pressed and fixed by adopting a front cover in a contact manner, and other structures on the outer edge of the static scroll disc 1 are not required to be added; the outer edge structure of the static vortex disc 1 can be simplified, the design is light, and the processing efficiency and quality are improved; thereby reducing the vibration transmission of the pump body and improving the vibration noise. The static vortex disc 1 has the advantages of simple outer edge structure, easiness in assembling and fixing of the pump body assembly, axial vibration reduction and noise reduction functions. The vortex disc is simple in structural design, the machining process can be simplified, the machining efficiency is improved, the weight of a pump body is reduced, and the lightweight design effect is achieved to a certain degree. The mounting structure 2 is a shell of a compressor, and further, the mounting structure 2 is an end cover of the shell of the compressor. The fixing structure 3 may be a fastener, such as a bolt or a screw. The vibration reduction structure 4 is arranged between the static disc base plate 13 and the mounting structure 2, so that the vibration transmission of a pump body can be reduced and the noise can be reduced when the compressor runs. The application can improve the processing efficiency or quality of the static vortex disc 1 on the whole, and has good effect on improving noise. The end cover is also provided with a threaded hole step surface 23.

The application also discloses embodiments, wherein a damping layer is arranged on the surface of the static disc base plate 13 facing the mounting structure 2, and the damping layer forms the damping structure 4. Namely, a vibration damping part is arranged between the back surface of the fixed scroll 1 and the end cover. The vibration damping structure 4 is formed by coating a vibration damping layer on the back surface of the stationary plate base plate 13.

The application also discloses embodiments, wherein the damping structure 4 comprises an elastic structure; a gap is formed between the static disk substrate 13 and the mounting structure 2, the elastic structure is arranged in the gap, and the elastic structure is abutted against the static disk substrate 13 and the mounting structure 2. The use of the elastic structure can reduce vibration transmission and improve noise.

The application also discloses some embodiments, and the elastic construction includes the spring, and the first end and the mounting structure 2 looks butt of spring, and the second end and the quiet dish base plate 13 looks butt of spring. The spring is arranged between the back surface of the static disc base plate 13 and the mounting structure 2 such as an end cover step surface 22 of an end cover or the surface of the end cover, so that the stress impact of the pump body can be relieved, and the vibration transmission of the pump body is reduced.

The application also discloses some embodiments, and the elastic structure includes at least one disc spring, and the central axis direction of each disc spring has an included angle with the central axis direction of the static disc base plate 13. The base part of the disk spring is made of spring steel; the disc spring elastic part has high rigidity and strong deformation resistance, can resist larger axial impact force, and can realize the displacement value with small axial change.

The application also discloses embodiments in which a sealing layer 41 is provided on the outer surface of the elastic structure. The outer surface of the elastic structure may be coated with a seal coat layer. The contact sealing can be formed on the abutted surfaces of the static disk substrate 13 and the mounting structure 2, a middle pressure area or a high pressure area in the abutted area can be separated from a low pressure area, high pressure and middle and low pressure isolation sealing is formed, grading step differential pressure sealing is formed, and the sealing difficulty is reduced.

The application also discloses embodiments in which the resilient structure comprises two disc springs; the scroll assembly has a first cross section in the gap, and the central axis directions of the two disk springs are symmetrically arranged about the first cross section. The effects of vibration and noise reduction can be further realized.

The application also discloses some embodiments, fixed knot constructs 3 and includes first screw 31, has seted up first through-hole 11 on the quiet dish base plate 13, and first screw 31 can pass first through-hole 11 to with mounting structure 2 fastening connection, fix quiet dish base plate 13 on mounting structure 2. The head of the first screw 31 is pinned to the mounting structure 2 and does not penetrate the mounting structure 2.

The application also discloses some embodiments, the scroll assembly further comprises an orbiting scroll 5, the orbiting scroll 5 is engaged with the fixed scroll 1 to form a compression cavity; the first through hole 11 is positioned in the compression cavity, and the scroll assembly further comprises a sealing structure 6; the sealing structure 6 is arranged at the first through hole 11 in a sealing way to seal the compression cavity. The application realizes simplifying the mounting structure 2 of the outer edge of the static vortex disc 1 by arranging the fixed structure 3 and the wear-resistant sealing element combined structure in the compression cavity range, can improve the processing efficiency of the static disc, and realizes the design of compact structure and light weight. According to the static scroll disk 1, bolt holes are formed in the compression cavity area, bolts are fixed on an end cover, and the bottom surfaces of the fixed bolts and the scroll are covered by a scroll tooth gasket to realize the sealing and the sealing of the compression cavity; the sealing structure 6 can be coated with a sealing coating material for treatment, and can effectively realize sealing, wear reduction and wear resistance. The static vortex disc 1 structure and the fixed form and the vibration reduction structure 4 device can simplify the static vortex disc 1 structure, reduce the processing technology, improve the processing efficiency, simultaneously reduce the weight of the pump body, slow down the axial impact vibration of the pump body, and improve the noise, thereby having good effect. The surface of the sealing structure 6 is coated with a vibration-damping wear-resistant layer.

A spiral area in a compression cavity of the static scroll 1 is provided with a first through hole 11 of a fixed connection structure, and a sealing structure 6 is arranged at the bottom of a scroll; the static scroll 1 is hermetically connected and fixed on a mounting structure 2 such as an end cover through a bolt and a sealing gasket 33; the sealing structure 6 covers the bolt and is arranged on the bottom surface of the bottom of the fixed scroll 14 of the fixed scroll 1 to seal a compression cavity formed by the fixed scroll 1 and the movable scroll.

The application also discloses some embodiments, the sealing structure 6 is provided with a spiral hole 61 corresponding to the fixed scroll 14; the stationary wrap 14 can pass through the spiral hole 61 so that the sealing structure 6 is blocked on the first through hole 11, thereby sealing the compression chamber.

In the first embodiment, the movable scroll 5, the fixed scroll 1 and the sealing structure 6 are arranged on the pump body; the sealing structure 6 is provided with a spiral hole 61, the static scroll 14 can be arranged at the tooth bottom of the static scroll 1 by passing through the spiral hole 61, and the tooth top of the movable scroll 51 can slide and operate with the mutual interference of the wear-resistant sealing element; a bolt step through hole forming mounting groove 24 is arranged on the end face of the base plate of the fixed disk close to the fixed scroll 14, and the fixed scroll 1 is fixedly sealed on an end cover threaded hole 21 on an end cover through a bolt and a sealing gasket 33. The step through hole of the bolt of the fixed scroll 1 is arranged on the spiral area in the compression cavity where the fixed scroll 1 is positioned so as to install a first screw 31; the back surface of the static disc base plate 13 can be contacted with the end cover step surface 22;

an elastic structure is arranged between the static disc base plate 13 and the step surface of the threaded hole 21 of the end cover, and the back surface of the static disc base plate 13 and the step surface 22 of the end cover can be not in contact, namely a gap is formed between the back surface of the static disc base plate and the step surface; under the action of axial gas force, the fixed scroll 1 axially floats towards the end cover side and slightly moves and compresses an elastic structure, and the back surface of the fixed disc base plate 13 can be in contact with or not in contact with the step surface 22 of the end cover; at this time, the orbiting scroll 5 always contacts with the sealing structure 6, i.e. the end face of the wear-resistant sealing member, and is closely attached to the tooth bottom face of the fixed scroll 14 under the action of the back pressure on the back face of the base plate, so that the compression which can elastically float slightly in the axial direction is formed, the elastic structure can absorb the axial impact vibration of the pump body, the vibration transmission is slowed down, and the noise reduction effect is achieved.

In the second embodiment, the step surface of the end cover threaded hole 21 of the present embodiment is provided with a mounting groove 24 to form a receiving cavity of an elastic structure, the elastic member structure is placed in the mounting groove 24, the back surface of the static disc base plate 13 can not contact with the end cover step surface 22 under the action of the elastic structure, and a certain compression elastic deformation gap is maintained. When the fixed scroll 1 is subjected to axial gas force, the elastic structure is compressed under the action of the back surface 3 of the fixed disc base plate 13 to generate elastic compression, and the back surface of the fixed disc base plate 13 can be in contact with or not in contact with the end cover step surface 22.

The mounting groove 24 is a whole large circular groove structure, and the elastic part structure is a spring with a circular outer profile;

or the mounting groove 24 is a plurality of single independent small round hole groove structures, and a plurality of elastic element structures correspondingly configured are springs with round outer profiles.

An elastic structure is arranged between the back surface of the static disc base plate 13 and the step surface 22 of the end cover and between the back surface and the end cover, so that the axial gas impact of the pump body is relieved, the vibration transmission of the pump body is reduced, and the effect of reducing noise is achieved; the others are the same as the first embodiment.

In the third embodiment, an elastic structure is placed on the step surface of the threaded hole 21 of the end cover; one side of the elastic structure is abutted against the back surface of the static disc base plate 13, and the other side of the elastic structure is abutted against the mounting structure 2 such as an end cover; the elastic structure is a disc spring-shaped structure, and the local section is inclined at a certain angle; the base body part of the disc spring is made of spring steel; the disc spring elastic part has high rigidity and strong deformation resistance, can resist larger axial impact force, and can realize the displacement value with small axial change.

Or the surface of the base body of the disc spring can be coated with sealant to form an elastic piece coating part, the elastic piece coating part can form contact sealing with the back surface of the static disc base plate 13 and the surface-to-surface contact part of the end cover step, and a cavity between the back surface of the static disc base plate 13 and the step surface of the end cover threaded hole 21 can be sealed;

the elastic structure can also be formed by combining more than two disc spring part structural parts. The combined structure can bear larger axial impact force and can realize larger axial displacement change; when the axial gas force of the static vortex disc 1 is abnormal and large impurity particles exist in a compression cavity, the static vortex disc 3 can move to a larger position towards the end cover side to give way for unloading, and the pump body is prevented from being seriously damaged.

In the fourth embodiment, a threaded hole, i.e., a second through hole 12 is provided on the back surface of the fixed disk base plate 13, and the second through hole 12, i.e., the threaded hole, does not penetrate through the compression chamber on the fixed wrap side; meanwhile, a bolt through hole is formed in the step surface where the end cover exhaust hole platform is located; an elastic structure is arranged between the back surface of the static disc substrate 13 and the end cover step surface 22; bolts and gaskets 33 are assembled from the end cover side to lock and fix the stationary disc to the end cover. The sealing gasket 33 is pressed by the bolts to prevent high pressure of exhaust gas from leaking into a cavity formed by the back surface of the static disc base plate 13 and the end cover step surface 22. The others are the same as the second embodiment or the third embodiment.

The static vortex structure and the fixed form and the damping structure 4 device of the embodiment can simplify the static vortex disc structure, reduce the machining process, improve the machining efficiency, simultaneously reduce the weight of the pump body, slow down the axial impact vibration of the pump body, and improve the noise, thereby having good effect.

The present application also discloses embodiments in which the sealing structure 6 comprises a metal substrate; a sealing layer 41 is arranged on the outer surface of the metal substrate; the present application also discloses embodiments in which the outer surface of the metal substrate is coated with a wear resistant layer. The sealing structure 6 is a wear-resistant sealing element, and can be a thin metal piece, or the outer surface of the thin metal piece can be provided with a friction-reducing, wear-resistant and sealing coating layer.

The application also discloses some embodiments, and fixed knot constructs 3 and includes second screw 32, is provided with second through-hole 12 on the mounting structure 2, and second screw 32 can run through second through-hole 12 to with quiet set of base plate 13 fastening connection, in order to fix mounting structure 2 on quiet set of base plate 13. The nail head of the second screw 32 is pinned on the static disk substrate 13 and does not penetrate through the static disk substrate 13, so that gas in the compression cavity can be effectively prevented from leaking.

The embodiment of the application discloses a compressor, and a scroll assembly is the scroll assembly. Under the drive of a motor, the movable scroll disk 5 is driven by a crankshaft to rotate eccentrically around the fixed scroll disk 1 and be meshed with each other to form a crescent compression cavity, the processes of air suction, compression and exhaust are formed continuously, and exhaust finally enters a system through an end cover exhaust port 7.

The quiet whirlpool simple structure of the pump body in the compressor of this application to can be provided with the damping elastic component between the pump body and end cover and can realize reducing the vibration transmission, play noise reduction effect.

The embodiment of the application discloses an air conditioner, and a compressor is the compressor.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims (14)

1. A scroll assembly, comprising:

a fixed structure (3);

the fixed scroll (1) comprises a fixed disc base plate (13), and only fixed scrolls (14) are arranged on the fixed disc base plate (13);

and a mounting structure (2), the fixed structure (3) being capable of fixing the stationary disc base plate (13) on the mounting structure (2); and a vibration damping structure (4) is arranged between the static disc base plate (13) and the mounting structure (2).

2. A scroll assembly as claimed in claim 1, wherein a damping layer is provided on a surface of said stationary disc base plate (13) facing said mounting structure (2), said damping layer forming said damping structure (4).

3. A scroll assembly as claimed in claim 1, wherein said vibration dampening structure (4) comprises an elastic structure; a gap is formed between the static disc base plate (13) and the mounting structure (2), the elastic structure is arranged in the gap, and the elastic structure is abutted against the static disc base plate (13) and the mounting structure (2).

4. A scroll assembly as claimed in claim 3, wherein said resilient structure comprises a spring having a first end abutting said mounting structure (2) and a second end abutting said stationary disc base plate (13).

5. A scroll assembly as claimed in claim 3, wherein said resilient structure comprises at least one disc spring, each having a central axis direction at an angle to a central axis direction of said stationary disc base plate (13).

6. A scroll assembly as claimed in claim 5, wherein said resilient structure comprises two of said belleville springs; the scroll assembly has a first cross section in the gap, and central axis directions of the two disc springs are symmetrically arranged about the first cross section.

7. A scroll assembly as claimed in claim 3, wherein a sealing layer (41) is provided on an outer surface of said resilient structure.

8. A scroll assembly as claimed in claim 1, wherein said fixed structure (3) comprises a first screw (31), said stationary base plate (13) having a first through hole (11) formed therein; the first screw (31) can penetrate through the first through hole (11) and is tightly connected with the mounting structure (2) so as to fix the static disc substrate (13) on the mounting structure (2).

9. A scroll assembly as claimed in claim 8, further comprising an orbiting scroll (5), said orbiting scroll (5) engaging with said fixed scroll (1) to form a compression chamber; the first through hole (11) is positioned in the compression cavity, and the scroll assembly further comprises a sealing structure (6); the sealing structure (6) is arranged at the first through hole (11) in a sealing mode so as to seal the compression cavity.

10. A scroll assembly as claimed in claim 9, wherein said sealing structure (6) is provided with a spiral hole (61) corresponding to said stationary wrap (14); the static scroll (14) can pass through the spiral hole (61) so that the sealing structure (6) is blocked on the first through hole (11) to seal the compression chamber.

11. A scroll assembly as claimed in claim 9, wherein said sealing structure (6) comprises a metal base plate; a sealing layer (41) is arranged on the outer surface of the metal substrate; and/or the outer surface of the metal substrate is coated with a wear-resistant layer.

12. A scroll assembly as claimed in claim 1, wherein said fixing structure (3) comprises a second screw (32), and a second through hole (12) is provided on said mounting structure (2), said second screw (32) being capable of passing through said second through hole (12) and being fixedly connected with said stationary disc base plate (13) to fix said mounting structure (2) on said stationary disc base plate (13).

13. A compressor, wherein said scroll assembly is as claimed in any one of claims 1 to 12.

14. An air conditioner characterized in that the compressor is the compressor as set forth in claim 13.

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