CN202031836U

CN202031836U - Wear resistant bead-fixed ring of scroll compressor

Info

Publication number: CN202031836U
Application number: CN201120068397XU
Authority: CN
Inventors: 钱永贵; 易丰收
Original assignee: NANJING AOTECAR REFRIGERATING CO Ltd
Current assignee: Nanjing Aotecar New Energy Technology Co., Ltd.
Priority date: 2011-03-16
Filing date: 2011-03-16
Publication date: 2011-11-09
Anticipated expiration: 2021-03-16

Abstract

A wear resistant bead-fixed ring of a scroll compressor comprises a front bead-fixed ring and a rear bead-fixed ring, wherein bead-fixed grooves (2) are arranged in disk bodies (1) of both the front and the rear bead-fixed rings; and every bead-fixed groove (2) consists of an annular roller path (3) and a central bulge. The bead-fixed ring is characterized in that a wear resistant coating (4) is arranged on the surface of the annular roller path (3). As the current highly-mature surface coating technology is applied to the manufacturing industry of the compressors, not only the wear resistance of the annular roller paths in the bead-fixed ring is improved, but also the raw material cost and the manufacture cost are reduced; and the service life prolonging of the compressor is facilitated, and the replacement cycle of the bead-fixed ring is prolonged.

Description

The wear-resisting type scroll compressor is decided Zhu Quan

Technical field

The utility model relates to a kind of scroll compressor, especially a kind ofly guarantees that scroll compressor makes the Ding Zhuquan of oscillating motion, and specifically a kind of wear-resisting type scroll compressor is decided Zhu Quan.

Background technique

As everyone knows, scroll compressor will be realized that plane rocking motion must rely on and decides Zhu Quan.Owing to decide the high-speed friction that Zhu Quan need bear steel ball for a long time, therefore, the ring raceway of deciding on the Zhu Quan must have very high hardness, for the hardness that improves ring raceway just must be carried out carburizing heat treatment to deciding Zhu Quan, mostly be stainless steel greatly owing to decide pearl circle material therefor, therefore, not only increased manufacture cost, and heat treated reject rate is higher, is easy to produce surface imperfection, and hardness is difficult to reach design load, had a strong impact on the bulk life time of compressor, to this, except improving heat treatment process, there is not good solution all the time at present.

Summary of the invention

The purpose of this utility model is that to decide in the pearl circle manufacture process yield rate not high at existing, and the problem that wear resistance is not good designs that a kind of to have manufacture method simple, and the wear-resisting type scroll compressor that wear resistance is high is decided Zhu Quan.

The technical solution of the utility model is:

A kind of wear-resisting type scroll compressor is decided Zhu Quan, comprise front fixed ball ring and back fixing ball ring, the disk body 1 of front fixed ball ring and back fixing ball ring is equipped with decides pearl groove 2, and each decides pearl groove 2 by ring raceway 3 and central protuberance composition, it is characterized in that the surface of described ring raceway 3 is provided with wear resistant coating 4.

Described wear resistant coating 4 is ceramic coating or TiO ₂Coating.

Described disk body 1 is provided with lightening hole or loss of weight breach 5.

The beneficial effects of the utility model:

The utility model has not only increased the wear resistance of deciding the ring raceway in the pearl circle, and can reduce the cost of raw material and manufacture cost by present very ripe cover coat technology is applied to compressor manufacturing industry.Help improving the working life of compressor, prolong the replacement cycle of deciding Zhu Quan.

The utility model is simple in structure, and is easily manufactured.

Description of drawings

Fig. 1 is the structural representation of facing of front fixed ball ring of the present utility model.

Fig. 2 is the left TV structure schematic representation of Fig. 1.

Fig. 3 is the local enlarged diagram of deciding the pearl groove of front fixed ball ring of the present utility model.

Fig. 4 is the structural representation of facing of back fixing ball ring of the present utility model.

Fig. 5 is the left TV structure schematic representation of Fig. 4.

Fig. 6 is the local enlarged diagram of deciding the pearl groove of back fixing ball ring of the present utility model.

Fig. 7 is front fixed ball ring of the present utility model and back fixing ball ring working state schematic representation.

Embodiment

Below in conjunction with drawings and Examples the utility model is further described.

Shown in Fig. 1-7.

A kind of wear-resisting type scroll compressor is decided Zhu Quan, comprise front fixed ball ring 6 and back fixing ball ring 7, as shown in Figure 7, identical on the structural entity of front fixed ball ring 6 and back fixing ball ring 7, both difference parts are that front fixed ball ring is fixed on the motionless protecgulum by two pins, and back fixing ball ring is fixed on the Moving plate of doing rotation motion by two pins.During work, the position of deciding pearl groove 2 above them differs the turning radius of a Moving plate, position when steel ball 8 is worked from Fig. 7 can be clear that very much, the disk body 1 of front fixed ball ring 6 and back fixing ball ring 7 is equipped with a plurality of decide pearl groove 2(such as Fig. 1,2, Fig. 4, shown in 5), from Fig. 1,4 can find out, on the front fixed ball ring 6 to decide pearl groove 2 less from the distance in the center of circle, and on the back fixing ball ring 7 to decide pearl groove 2 bigger from the distance in the center of circle, differ the width (see figure 7) of a raceway between the two, each is decided pearl groove 2 and forms by ring raceway 3 and central protuberance, the surface of described ring raceway 3 is provided with wear resistant coating 4, as Fig. 3, shown in 6.Described wear resistant coating 4 can adopt ceramic coating or TiO ₂Coating also can adopt other nano coating.In addition, when specifically implementing, in order to reduce the overall weight of compressor, also can on disk body 1, offer lightening hole or loss of weight breach 5, lightening hole can offer on the inboard or outer circumference of deciding the pearl groove, and the loss of weight breach can be opened on the circumference of disk body 1, and concrete quantity is advisable not influence intensity.

The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.

Claims

1. a wear-resisting type scroll compressor is decided Zhu Quan, comprise front fixed ball ring and back fixing ball ring, the disk body of front fixed ball ring and back fixing ball ring (1) is equipped with decides pearl groove (2), each decides pearl groove (2) by ring raceway (3) and central protuberance composition, it is characterized in that the surface of described ring raceway (3) is provided with wear resistant coating (4).

2. wear-resisting type scroll compressor according to claim 1 is decided Zhu Quan, it is characterized in that described wear resistant coating (4) is ceramic coating or TiO ₂Coating.

3. wear-resisting type scroll compressor according to claim 1 is decided Zhu Quan, it is characterized in that described disk body (1) is provided with lightening hole or loss of weight breach (5).