CN210949109U - Structure for providing flexible vibration for static scroll and scroll machine - Google Patents

Abstract

The utility model relates to a compressor field, a structure and vortex machinery for providing flexible cluster to quiet vortex dish specifically says so. The vortex disc comprises a fixed vortex disc, a movable vortex disc and a bearing seat, wherein the fixed vortex disc and the movable vortex disc are meshed with each other; flanges are uniformly distributed on the lower edge of the fixed scroll plate in the circumferential direction and are matched with the spigot of the bearing seat; the upper surface of the bearing seat is provided with a thrust ring, the lower surface of the thrust ring is axially limited with a thrust surface of the fixed scroll, and the thrust ring is fixed on the bearing seat through a first fastener. The structure of the application can ensure the position precision of the matching surface of the sliding track surface of the static scroll and the rotating part, and simultaneously prevent the static scroll from rotating along with the movable scroll and the rotation of the movable scroll.

Description

Structure for providing flexible vibration for static scroll and scroll machine

Technical Field

The utility model relates to a compressor field, a structure and vortex machinery for providing flexible cluster to quiet vortex dish specifically says so.

Background

In the prior art, the sliding surface of the static scroll, which is used for flexible axial movement, cannot be machined with the matching surface of the rotating part at one time, and the position precision of the matching surface of the sliding surface of the static scroll and the rotating part needs to be ensured by repeated clamping or high-precision equipment, so that the machining cost and the rejection rate are relatively high. As in the prior published patent numbers: 95115297.1, title of the invention: a scroll compressor is provided.

Therefore, a scroll machine capable of ensuring the position accuracy of the mating surfaces of the sliding track surface of the fixed scroll and the rotating member and saving the cost is needed.

Disclosure of Invention

An object of the utility model is to provide a structure and vortex machinery for providing flexible cluster to static scroll to solve above-mentioned technical problem.

A structure for providing flexible crosstalk to a fixed scroll comprises the fixed scroll, a movable scroll and a bearing seat, wherein the fixed scroll and the movable scroll are meshed with each other;

a flange is arranged on the lower edge of the fixed scroll plate in the circumferential direction and matched with a spigot of the bearing seat;

the upper surface of the bearing seat is provided with a thrust ring, the lower surface of the thrust ring is axially limited with a thrust surface of the fixed scroll, and the thrust ring is fixed on the bearing seat through a first fastener.

Preferably, a thrust disc is arranged at the lower end of the movable scroll disc and fixed on the bearing seat through a second fastening piece.

Preferably, the upper surface of the thrust disc is provided with a cross slip ring, and the end surface of the cross slip ring is provided with four protrusions which are respectively matched with concave parts at the lower ends of the movable scroll and the fixed scroll and used for preventing the movable scroll from rotating.

Preferably, the upper end of the bearing seat is uniformly provided with limiting legs, the lower edge of the fixed scroll plate extends out of a limiting block, and the limiting block is in clearance fit with the adjacent limiting legs to limit the circumferential rotation of the fixed scroll plate.

Preferably, the bearing seat inner wall forms a fixed scroll runner for axial movement of the fixed scroll.

Preferably, the lower edge of the fixed scroll is uniformly provided with flanges in the circumferential direction, and the number of the flanges is 4.

Preferably, the lower part of the thrust collar is provided with an external spigot matched with the internal spigot of the bearing seat, and the lower surface of the thrust collar is axially limited with the thrust surface of the fixed scroll;

the inner wall of the thrust collar is used as a fixed scroll slideway for the axial movement of the fixed scroll.

The application also provides a scroll machine which comprises the structure.

Preferably, the scroll machine comprises a scroll compressor.

Preferably, the lower end of the movable scroll is connected with a crankshaft; an unloading lining is arranged between the crankshaft and the movable scroll plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the structure of the application can ensure the position precision of the matching surface of the sliding track surface of the static scroll and the rotating part, and simultaneously prevent the static scroll from rotating along with the movable scroll and the rotation of the movable scroll.

Drawings

FIG. 1 is a schematic view of a split structure of the present invention for providing a flexible play structure to a fixed scroll;

fig. 2 is a cross-sectional view of the structure of the present invention providing flexible play;

FIG. 3 is a partial enlarged view of the structure of the present invention providing flexible play;

FIG. 4 is another embodiment of the present invention;

the device comprises a thrust ring 1, an external spigot 110, a first fastener 2, a fixed scroll 3, a flange 310, a limiting block 320, a movable scroll 4, a cross slip ring 5, a bulge 510, a thrust disc 6, a bearing seat 7, a limiting leg 710, a fixed disc slideway 720, a crankshaft 8, a second fastener 9 and an unloading bush 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4:

a structure for providing flexible vibration for a fixed scroll comprises the fixed scroll 3, a movable scroll 4 and a bearing seat 7, wherein the fixed scroll 3 and the movable scroll 4 are meshed with each other;

the lower edge of the fixed scroll 3 is circumferentially provided with 4 flanges 310 or the flanges 310 are uniformly distributed, the flanges 310 are matched with the spigot of the bearing seat 7, and the flanges 310 and the inner wall of the bearing seat 7 form a fixed scroll slideway 720 for the axial movement of the fixed scroll 3;

or an external spigot 110 matched with the internal spigot of the bearing seat 7 is arranged at the lower part of the thrust ring 1, and the lower surface of the thrust ring 1 is axially limited with the thrust surface of the fixed scroll 3; the inner wall of the thrust collar 1 serves as a fixed scroll runner 720 for the fixed scroll 3 to move axially.

The upper surface of the bearing seat 7 is provided with a thrust ring 1, the lower surface of the thrust ring 1 is axially limited with a thrust surface of the fixed scroll 3, and the thrust ring 1 is fixed on the bearing seat 7 through a first fastener 2. The lower end of the movable scroll plate 4 is provided with a thrust plate 6, and the thrust plate 6 is fixed on a bearing seat 7 through a second fastener 9.

Further, in order to prevent the movable scroll 4 from rotating, an oldham ring 5 is arranged on the upper surface of the thrust disc 6, and four protrusions 510 are arranged on the end surface of the oldham ring 5 and respectively matched with the grooves at the lower ends of the movable scroll 4 and the fixed scroll 3.

Furthermore, in order to limit the fixed scroll 3 and prevent the fixed scroll 3 from rotating along with the movable scroll 4, the limiting legs 710 are uniformly distributed at the lower end of the bearing seat 7, the limiting block 320 extends out of the lower edge of the fixed scroll 3, and the limiting block 320 is in clearance fit with the adjacent limiting legs 710 to limit the circumferential rotation of the fixed scroll 3.

The application also provides a scroll machine, scroll machine includes foretell structure, and scroll machine includes scroll compressor, moves the lower extreme of vortex dish 4 and links to each other with bent axle 8, is equipped with uninstallation bush 10 between bent axle 8 and the vortex dish 4 that moves.

Specifically, the crankshaft 8 rotates to drive the movable scroll 4 to rotate along a small-radius plane at the center of a base circle of the fixed scroll 3, the outer diameters of four flanges of the fixed scroll 3 are matched with an inner spigot of a bearing seat 7, the thrust ring 1 limits axial displacement of the fixed scroll 3, the movable scroll 4 is arranged on the upper portion of the thrust disc 6, and the thrust disc 6 is connected with the bearing seat 7 into a whole through a second fastener 9; four bulges 10 are arranged on the end face of the cross slip ring 5 and are respectively matched with grooves arranged on the movable vortex disk and the fixed vortex disk to prevent the movable vortex disk 4 from rotating, a plurality of crescent areas formed by the movable vortex disk 4 and the fixed vortex disk 3 are gradually compressed, and finally the gas is discharged from a gas exhaust hole on the back of the fixed vortex disk 3, when liquid impact is generated, the fixed vortex disk 3 moves upwards to the thrust ring 1 along a fixed disk slide way formed by the bearing seat 7, the movable vortex disk 4 is separated from the end face of the fixed vortex disk 3, unloading is realized, and the vortex disk is prevented from being damaged. Meanwhile, in order to prevent the fixed scroll 3 from rotating when compressing gas, a gap formed between two adjacent limiting legs 710 on the bearing seat 7 is matched with a limiting block 320 extending out of the outer diameter of the fixed scroll to limit the circumferential rotation of the fixed scroll 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A structure for providing flexible crosstalk to a fixed scroll comprises the fixed scroll (3), a movable scroll (4) and a bearing seat (7), wherein the fixed scroll (3) and the movable scroll (4) are meshed with each other; the method is characterized in that:

a flange (310) is arranged on the lower edge of the fixed scroll (3) in the circumferential direction, and the flange (310) is matched with a spigot of the bearing seat (7);

the upper surface of the bearing seat (7) is provided with a thrust collar (1), the lower surface of the thrust collar (1) is axially limited with a thrust surface of the fixed scroll (3), and the thrust collar (1) is fixed on the bearing seat (7) through a first fastener (2).

2. The structure of claim 1, wherein:

the lower end of the movable scroll (4) is provided with a thrust disc (6), and the thrust disc (6) is fixed on the bearing seat (7) through a second fastening piece (9).

3. The structure of claim 2, wherein:

the upper surface of the thrust disc (6) is provided with a cross slip ring (5), the end surface of the cross slip ring (5) is provided with four protrusions (510) which are respectively matched with grooves at the lower ends of the movable scroll (4) and the fixed scroll (3) and used for preventing the movable scroll (4) from rotating.

4. The structure of claim 1, wherein:

limiting legs (710) are uniformly distributed at the upper end of the bearing seat (7), a limiting block (320) extends out of the lower edge of the fixed scroll (3), and the limiting block (320) is in clearance fit with the adjacent limiting legs (710) to limit the circumferential rotation of the fixed scroll (3).

5. The structure of claim 1, wherein:

the inner wall of the bearing seat (7) is used as a fixed scroll slideway (720) for the axial movement of the fixed scroll (3).

6. The structure of claim 1, wherein: flanges (310) are uniformly distributed on the lower edge of the fixed scroll (3) in the circumferential direction, and the number of the flanges (310) is 4.

7. The structure of claim 1, wherein: the lower end of the movable scroll (4) is connected with a crankshaft (8); an unloading lining (10) is arranged between the crankshaft (8) and the movable scroll (4).

8. The structure of claim 1, wherein: the lower part of the thrust ring (1) is provided with an outer spigot (110) matched with the inner spigot of the bearing seat (7); the inner wall of the thrust ring (1) is used as a fixed scroll slideway (720) for the axial movement of the fixed scroll (3).

9. A scroll machine characterized by: the scroll machine comprising a structure according to any one of claims 1-8.

10. The scroll machine of claim 9, wherein: the scroll machine includes a scroll compressor.

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