CN218624640U - Anti-rotation ring of compressor, scroll plate assembly and compressor assembly - Google Patents

Abstract

The application provides a compressor is prevented circling, is whirled disk assembly and compressor assembly relates to compressor technical field, and the compressor is prevented circling including preventing the circling body, prevents the circling body and has the hole that is used for the location to prevent revolving the round pin, prevents the cross section profile of circling body and be the ring shape, prevents that the outer peripheral face of circling body is provided with the recess, prevents the circling body and is used for inlaying to locate on moving the whirlpool dish to prevent circling body and the area of contact who moves the whirlpool dish through the recess reduction. This prevent the structural design of rotating the ring, can not only reduce the area of contact who prevents rotating the ring body and move the whirlpool dish, can also increase the oil storage volume, both reduced area of contact, still improved lubricated effect, prevent that the ring body and the speed of wear that moves the whirlpool dish are little, and difficult quilt damages, and the running cost is low.

Description

Anti-rotation ring of compressor, scroll plate assembly and compressor assembly

Technical Field

The utility model relates to a compressor technical field particularly, relates to a compressor is prevented circling, is whirled disk subassembly and compressor assembly.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is the heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges the high-temperature high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle. There are various types of compressors, such as a scroll compressor, which consists of an orbiting scroll and a non-orbiting scroll, and includes a number of features that provide a bypass flow of gas through the compressor housing to reduce entrained oil. When the compressor works, the motor assembly rotates to drive the movable scroll plate to make circumferential translation, so that the volume of a closed working cavity formed by meshing the movable scroll plate and the fixed scroll plate through molded lines is changed, and the refrigerant in the closed working cavity is compressed. In addition, in order to prevent the orbiting scroll from rotating, an anti-rotation structure is arranged between the orbiting scroll and the scroll front cover, and generally comprises an annular body arranged on the orbiting scroll and a pin shaft arranged on the scroll front cover, wherein the pin shaft is inserted into the annular body and can drive the annular body to rotate relative to the orbiting scroll.

The inventor researches and discovers that the existing compressor has the following defects:

in the operation process of the compressor, the ring body moves relative to the movable scroll disk, the contact area of the ring body and the movable scroll disk is large, abrasion is large, oil storage is inconvenient, dry friction is easy to occur, the service life of the ring body is shortened, and the operation cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor is prevented circling, is moulded a scroll subassembly and compressor assembly, it can reduce to prevent circling the body and move the frictional force between the whirlpool dish, increases the oil reserve, and is lubricated effectual, and wearing and tearing are little, long service life, the running cost is low.

The embodiment of the utility model is realized like this:

in a first aspect, the present invention provides a compressor anti-rotation ring, including:

the anti-rotation ring comprises an anti-rotation ring body, wherein the anti-rotation ring body is provided with an inner hole used for positioning an anti-rotation pin, the cross section profile of the anti-rotation ring body is in a ring shape, a groove is formed in the outer peripheral surface of the anti-rotation ring body, the anti-rotation ring body is used for being embedded on a movable vortex disc, and the contact area between the anti-rotation ring body and the movable vortex disc is reduced through the groove.

In an alternative embodiment, the recess is provided as an annular groove provided around the axis of the bore.

In an alternative embodiment, the cross-sectional shape of the annular groove is a "U" shape, a "V" shape, an arc shape, or an isosceles trapezoid shape.

In an alternative embodiment, the number of the grooves is multiple, and the multiple grooves are arranged at intervals on the outer circumferential surface of the anti-rotation ring body.

In an alternative embodiment, the inner and outer edges of both end faces of the anti-rotation ring body in the axial direction thereof are each provided with a chamfer.

In a second aspect, the present invention provides a scroll assembly comprising:

a orbiting scroll body and a compressor anti-rotation ring of any one of the preceding embodiments, the anti-rotation ring body being movably connected with the orbiting scroll body.

In an alternative embodiment, the orbiting scroll body is provided with a plurality of positioning grooves arranged circumferentially, and each positioning groove is provided with an anti-rotation ring body.

In an alternative embodiment, an avoidance groove is provided on the groove bottom wall of the positioning groove.

In an optional embodiment, the scroll assembly further comprises a scroll front cover and an anti-rotation pin, the anti-rotation pin is fixedly connected with the scroll front cover, and the anti-rotation pin is inserted into an inner hole of the anti-rotation ring body.

A third aspect, the present invention provides a compressor assembly, the compressor assembly comprising:

the compressor anti-rotation ring of any one of the preceding embodiments.

The embodiment of the utility model provides a beneficial effect is:

in summary, the anti-rotation ring for the compressor provided by this embodiment is used in cooperation with the orbiting scroll, and the anti-rotation ring body is embedded in the positioning groove of the orbiting scroll, and can rotate relative to the positioning groove, the outer circumferential surface of the anti-rotation ring body contacts with the groove circumferential wall of the positioning groove, and during the rotation process, the outer circumferential surface of the anti-rotation ring body generates friction with the groove circumferential wall of the positioning groove. Because the peripheral surface of the anti-rotation ring body is provided with the groove, the anti-rotation ring body is not contacted with the positioning groove in the area surrounded by the groove, and the abrasion of the anti-rotation ring body and the groove peripheral wall of the positioning groove is reduced. And, can store lubricating oil in recess department to reduced the dry friction probability of preventing revolving ring body and constant head tank, lubricated effectual, rotate more in a flexible way. Therefore, the anti-rotation ring body and the movable scroll disk are small in abrasion, the anti-rotation ring body and the movable scroll disk are not easily damaged, the service life is long, the replacement period is prolonged, and the operation cost is low.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a compressor rotation-preventing ring according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an anti-rotation ring of a compressor according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the orbiting scroll body according to the embodiment of the present invention;

fig. 4 is an exploded view of the orbiting scroll body and the anti-rotation ring body according to the embodiment of the present invention.

Icon:

100-anti-rotation ring body; 110-an inner bore; 120-grooves; 200-moving vortex disc; 210-a positioning groove; 220-avoidance groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, in the compressor structure, in order to avoid the rotation of orbiting scroll 200 when moving for quiet scroll disk circumferential direction, set up the round pin axle on the whirlpool dish protecgulum usually, and set up on orbiting scroll 200 and prevent revolving the hole, prevent inlaying in the hole and establish the ring body, the round pin axle is pegged graft in the ring body, when orbiting scroll 200 rotates, under the drive of round pin axle, the ring body can rotate for preventing revolving the hole, at the rotation in-process, the outer peripheral face of ring body and the pore wall contact who prevents revolving the hole can produce the friction, thereby cause the ring body wearing and tearing. The contact area between the two is large, the abrasion speed is high, oil is not easy to store, the lubricating effect is poor, the ring body is easy to damage, the replacement period is short, and the operation cost is high.

In view of this, the designer provides a compressor anti-rotation ring, which not only can reduce the contact area between the anti-rotation ring body 100 and the movable scroll 200, but also can increase the oil storage capacity, thereby reducing the contact area and improving the lubricating effect, and the anti-rotation ring body 100 and the movable scroll 200 have small wear speed, are not easy to be damaged, and have low operation cost.

Referring to fig. 1-2, in the present embodiment, the anti-rotation ring of the compressor includes an anti-rotation ring body 100, the anti-rotation ring body 100 has an inner hole 110 for positioning an anti-rotation pin, the cross-sectional profile of the anti-rotation ring body 100 is a circular ring shape, a groove 120 is disposed on the outer circumferential surface of the anti-rotation ring body 100, and the anti-rotation ring body 100 is embedded on the movable scroll 200 to reduce the contact area between the anti-rotation ring body 100 and the movable scroll 200 through the groove 120.

The compressor anti-rotation ring provided by the embodiment is used as follows:

the anti-rotation ring body 100 is assembled in the positioning groove 210 on the movable scroll 200, the outer circumferential surface of the anti-rotation ring body 100 is in contact with the groove circumferential wall of the positioning groove 210, and the anti-rotation ring body 100 can rotate relative to the positioning groove 210 under the driving of the anti-rotation pin, that is, when the motor drives the movable scroll 200 to move circumferentially relative to the fixed scroll, the anti-rotation pin on the scroll front cover can limit the movement track of the movable scroll 200, so as to prevent the movable scroll 200 from rotating, the anti-rotation pin is a stationary component, and the movable scroll 200 moves circumferentially, so that the anti-rotation pin and the movable scroll 200 move relatively, the anti-rotation pin and the anti-rotation ring body 100 on the movable scroll 200 move relatively, and the anti-rotation ring body 100 can be driven by the anti-rotation pin to rotate relative to the movable scroll 200. Because the outer circumferential surface of the anti-rotation ring body 100 is provided with the groove 120, the anti-rotation ring body 100 does not contact the positioning groove 210 in the area surrounded by the groove 120, and the abrasion of the groove circumferential wall of the anti-rotation ring body 100 and the positioning groove 210 is reduced. Moreover, lubricating oil can be stored in the groove 120, so that the dry friction probability of the anti-rotation ring body 100 and the positioning groove 210 is reduced, the lubricating effect is good, and the rotation is more flexible. Therefore, the anti-rotation ring body 100 and the movable scroll 200 are small in abrasion, the anti-rotation ring body and the movable scroll are not easily damaged, the service life is long, the replacement period is prolonged, and the operation cost is low.

In this embodiment, optionally, a plurality of grooves 120 may be disposed on the outer circumferential surface of the anti-rotation ring body 100, and the number of the grooves 120 may be selected as needed. The recessed groove 120 may be a strip-shaped groove or an annular groove, and in the present embodiment, two annular grooves are provided on the outer circumferential surface of the rotation preventing ring body 100. Both of which extend around the axis of the inner bore 110 of the anti-spin ring body 100, and are spaced apart in the axial direction of the anti-spin ring body 100. The two annular grooves can be configured identically. For example, each annular groove may have a "U" shape in cross-section, it being understood that in other embodiments, the annular grooves may also have a "V" shape, an arc shape, an isosceles trapezoid shape, or the like.

It should be noted that, in other embodiments, the groove 120 may be a strip-shaped groove, and a plurality of strip-shaped grooves may be uniformly arranged at intervals on the outer circumferential surface of the anti-rotation ring body 100, which may also have the effects of reducing friction and increasing the oil storage capacity.

Further, the anti-rotation ring body 100 has two ends in the axial direction, and chamfers are arranged on the inner edge and the outer edge of each end face, and the chamfers can be fillets, so that the die drawing during the processing of the anti-rotation ring body 100 is facilitated, and the assembly of the anti-rotation ring body 100 and the movable scroll disk 200 is also facilitated. That is, when the anti-rotation ring body 100 needs to be inserted into the positioning groove 210 of the orbiting scroll 200, due to the chamfered structural design, the end surface of the anti-rotation ring body 100 is not easily interfered with the notch of the positioning groove 210, so that the anti-rotation ring body 100 can be conveniently inserted into the positioning groove 210.

The compressor anti-rotation ring provided by the embodiment has the advantages that the groove 120 is formed in the outer peripheral surface of the anti-rotation ring body 100, so that the contact area between the anti-rotation ring body 100 and the movable scroll disk 200 is reduced, the oil storage capacity between the anti-rotation ring body 100 and the movable scroll disk 200 is increased, the lubricating effect is improved, the abrasion of the anti-rotation ring body 100 in the operation process relative to the movable scroll disk 200 is small, the anti-rotation ring is not easily damaged, the service life is long, and the operation cost is low.

Referring to fig. 3 and 4, the present embodiment further provides a scroll assembly, which includes a movable scroll 200, a scroll front cover (not shown), an anti-rotation pin (not shown), and a compressor anti-rotation ring, wherein the anti-rotation ring 100 is movably connected to the movable scroll 200, that is, the anti-rotation ring 100 is rotatably connected to the movable scroll 200. The anti-rotation pin is fixedly connected with the scroll front cover, the anti-rotation pin is inserted into an inner hole 110 of the anti-rotation ring body 100, and the anti-rotation ring body 100 can rotate relative to the movable scroll 200 body under the action of the anti-rotation pin.

Alternatively, the orbiting scroll 200 body is provided with a plurality of positioning grooves 210 arranged in a circumference, and one anti-rotation ring body 100 is assembled in each positioning groove 210. In other words, the number of the location grooves 210 on the body of the orbiting scroll 200 is equal to the number of the anti-rotation ring bodies 100, and one anti-rotation ring body 100 is embedded in each location groove 210. It should be appreciated that the positioning slot 210 is a circular slot that matches the shape of the anti-rotation ring body 100. Meanwhile, the number of the anti-rotation pins is equal to that of the anti-rotation ring bodies 100 and the anti-rotation pins are matched with the anti-rotation ring bodies one to one.

Further, be provided with on the groove bottom wall of constant head tank 210 and dodge groove 220, dodge groove 220 and can set up to circular recess, dodge groove 220 and the coaxial setting of constant head tank 210, be convenient for manufacturing. By arranging the avoiding groove 220, the depth of a groove structure for positioning the anti-rotation pin on the movable scroll 200 body is increased, and after the anti-rotation pin is inserted into the anti-rotation ring body 100, the end part of the anti-rotation pin is not easy to abut against the bottom wall of the avoiding groove 220, so that the abrasion is reduced.

The vortex disc assembly provided by the embodiment is reasonable in structure, the abrasion of the anti-rotation ring body 100 is small, the service life is long, the safety is high, and the operation cost is low.

The embodiment also provides a compressor assembly, which comprises the scroll disc component, and the compressor assembly has high operation reliability and low operation cost.

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 (10)

1. An anti-rotation ring for a compressor, comprising:

prevent circling body (100), prevent circling body (100) have and be used for fixing a position hole (110) of preventing the round pin soon, the cross section profile of preventing circling body (100) is the ring shape, the outer peripheral face of preventing circling body (100) is provided with recess (120), prevent circling body (100) and be used for the inlay to locate on moving vortex dish (200), with through recess (120) reduce prevent circling body (100) with the area of contact of moving vortex dish (200).

2. The compressor anti-rotation ring of claim 1, wherein:

the recess (120) is provided as an annular groove disposed about the axis of the bore (110).

3. The anti-rotation ring for a compressor according to claim 2, wherein:

the section of the annular groove is U-shaped, V-shaped, arc-shaped or isosceles trapezoid.

4. The compressor anti-rotation ring according to any one of claims 1 to 3, wherein:

the number of the grooves (120) is multiple, and the grooves (120) are arranged on the outer peripheral surface of the anti-rotation ring body (100) at intervals.

5. The compressor anti-rotation ring of claim 1, wherein:

the inner and outer edges of two end faces of the anti-rotation ring body (100) in the axial direction are provided with chamfers.

6. A scroll assembly, comprising:

-an orbiting scroll (200) body and-a compressor anti-rotation ring as claimed in any one of claims 1 to 5, the anti-rotation ring body (100) being movably connected with the orbiting scroll (200) body.

7. A scroll assembly as claimed in claim 6, wherein:

the movable scroll disc (200) body is provided with a plurality of positioning grooves (210) which are circumferentially arranged, and each positioning groove (210) is internally provided with an anti-rotation ring body (100).

8. A scroll assembly as claimed in claim 7, wherein:

an avoiding groove (220) is arranged on the bottom wall of the positioning groove (210).

9. A scroll assembly as claimed in claim 6, wherein:

the vortex disc assembly further comprises a vortex disc front cover and an anti-rotation pin, the anti-rotation pin is fixedly connected with the vortex disc front cover, and the anti-rotation pin is inserted into an inner hole (110) of the anti-rotation ring body (100).

10. A compressor assembly, comprising:

a scroll assembly as claimed in any one of claims 6 to 9.

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