CN106050614A

CN106050614A - Compressor

Info

Publication number: CN106050614A
Application number: CN201610631109.4A
Authority: CN
Inventors: 刘清辉; 林婵琼; 袁亮贵; 侯岩
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Landa Compressor Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Landa Compressor Co Ltd
Priority date: 2016-08-01
Filing date: 2016-08-01
Publication date: 2016-10-26
Anticipated expiration: 2036-08-01
Also published as: CN106050614B

Abstract

The invention discloses a compressor, and belongs to the technical field of compressing devices. The compressor is designed for solving the problems that according to an existing device, crankshafts intervene, and are low in strength. The compressor comprises a crankshaft and a rotor iron core and further comprises a piece-shaped baffle; one face of the baffle is attached to the supporting face of the long-axis trimming position of the crankshaft, the other face of the baffle is attached to the rotor iron core, the baffle is of an annular structure, an inner ring of the baffle comprises an arc line segment and a straight line segment, and the arc line segment and the straight line segment are connected to form a close structure; the crankshaft is arranged in the inner ring of the baffle in a penetrating manner; and the compressor solves the intervening problem of the crankshaft and the transition corner at the connecting position of the circular arc and the straight line of the rotor iron core in an existing structure, it is ensured that after being assembled, the rotor iron core cannot incline, and coaxiality of a stator-rotor cannot be affected; and a back chipping groove does not need to be formed in the root of the supporting face of the long-axis trimming position of the crankshaft, and it is ensured that the crankshaft has the enough strength.

Description

Compressor

Technical field

The present invention relates to compressor technical field, particularly relate to a kind of compressor.

Background technology

Micro-compressor refers to that refrigerating capacity is less than the refrigeration compressor of 1KW, and volume is little, lightweight, endurance strong, noise Low and energy consumption is low.

Existing micro-compressor includes rotor core and bent axle, the major axis trimming position supporting surface phase of rotor core and bent axle Contact.From the point of view of in theory, circular arc and the straight line of rotor core inner ring are directly connected to, but grind in practice as high die-punch There is knuckle the junction of the circular arc and straight line that damage rotor core.

In the case of the junction of rotor core circular arc and straight line is formed with knuckle, as depicted in figs. 1 and 2, as Fruit is if the root of the major axis trimming position supporting surface 11 of bent axle 1 is provided with transition angle 13, and this transition angle 13 can be with rotor ferrum Interference region 10 is produced between core 2；As shown in figures 1 and 3, can be at the root of the major axis trimming position supporting surface 11 of bent axle 1 Back chipping groove 12 is set to avoid the knuckle of rotor core, but the too conference of the degree of depth of back chipping groove 12 reduces the intensity of bent axle 1, deep Spend the least purpose not reaching again back chipping (dodging).

Summary of the invention

It is an object of the invention to propose a kind of bent axle to interfere, not drop low intensive compressor.

For reaching this purpose, the present invention by the following technical solutions:

A kind of compressor, including bent axle and rotor core, also includes that the baffle plate of lamellar, the one side of described baffle plate are fitted in institute Stating on the major axis trimming position supporting surface of bent axle, another side is fitted on described rotor core.

Particularly, described baffle plate is circulus, and the inner ring of described baffle plate includes arc and straightway, described arc Be connected formation closing structure with straightway；Described bent axle is located in the inner ring of described baffle plate.

Further, the escape groove of indent is formed at least one junction of described arc and straightway.

Further, it is respectively formed escape groove in two junctions of described arc and straightway, two described escape groove Shape identical.

Particularly, the cross section of described escape groove is circular arc, rectangle or ellipse.

Particularly, between the medial wall of described baffle plate and described bent axle, gap is formed.

Further, the width h in described gap is less than or equal to 0.4 times of height H of described major axis trimming position supporting surface.

Particularly, the root at the major axis trimming position supporting surface of described bent axle is formed with transition angle.

Further, the radius at described transition angle is less than the width h in described gap.

Particularly, described compressor is micro-compressor.

Compressor of the present invention arranges baffle plate between major axis trimming position supporting surface and the rotor core of bent axle, solves existing There is the problem interfered between structure rotor iron core circular arc and the knuckle of straight line junction and bent axle, it is ensured that rotor ferrum Will not tilt, not interfere with the axiality of stator-rotator after core assembling；Because bent axle major axis trimming position supporting surface and turn Be provided with baffle plate between sub-iron core, bent axle will not interfere, thus bent axle major axis trimming position supporting surface root not Back chipping groove need to be set, it is ensured that bent axle has enough intensity.

Accompanying drawing explanation

Fig. 1 is the structural representation of existing bent axle；

Fig. 2 is the schematic diagram of existing rotor core and the first fit structure of bent axle；

Fig. 3 is the schematic diagram of existing rotor core and bent axle the second fit structure；

Fig. 4 is the structural representation of the compressor that the preferred embodiment of the present invention one provides；

Fig. 5 is the partial schematic diagram in Fig. 4 at A；

Fig. 6 is the front view of the baffle plate that the preferred embodiment of the present invention one provides；

Fig. 7 is baffle plate and the fit structure schematic diagram of bent axle of the preferred embodiment of the present invention one offer.

In figure:

1, bent axle；2, rotor core；3, baffle plate；4, gap；10, interference region；11, major axis trimming position supporting surface；12、 Back chipping groove；13, transition angle；31, arc；32, straightway；33, escape groove.

Detailed description of the invention

Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.

Preferred embodiment one:

The open a kind of compressor of this preferred embodiment.As shown in Figure 4 and Figure 5, this compressor includes bent axle 1, rotor core 2 With the baffle plate 3 of lamellar, the one side of baffle plate 3 is fitted on the major axis trimming position supporting surface 11 of bent axle 1, and another side is fitted in rotor On iron core 2.

Baffle plate 3 is set between major axis trimming position supporting surface 11 and the rotor core 2 of bent axle 1, solves existing structure The problem interfered between circular arc and the knuckle of straight line junction and the bent axle 1 of rotor iron core 2, it is ensured that rotor core Will not tilt, not interfere with the axiality of stator-rotator after 2 assemblings.

The concrete structure of baffle plate 3 does not limits, and can the major axis trimming position supporting surface 11 of bent axle 1 and rotor core 2 be separated ?.Preferably, baffle plate 3 is circulus, and the inner ring of baffle plate 3 includes arc 31 and straightway 32, arc 31 and straight line Section 32 is connected formation closing structure；Bent axle 1 is located in the inner ring of baffle plate 3.

This baffle plate 3 can be a newly-increased structure, it is also possible to be the baffle plate of existing compressor to be carried out transformation form.Tool Body, the internal diameter of existing annular baffle is reduced to the root of the major axis trimming position supporting surface 11 slightly larger than bent axle 1 Diameter.

As shown in Figure 6 and Figure 7, in order to avoid the transition angle between arc 31 and straightway 32 interferes with bent axle 1, The escape groove 33 of indent, the corresponding bent axle of this escape groove 33 can be formed at least one junction of arc 31 and straightway 32 Arcwall face and the transition structure of plane junction on 1, the area of escape groove 33, more than the area of the interference region of existing structure, is protected Card compression function normally works.

In order to make compressor reach more preferable working effect, it is respectively formed in two junctions of arc 31 and straightway 32 Escape groove 33, the shape of two escape groove 33 is identical and on the corresponding bent axle 1 of each escape groove 33 side of arcwall face and plane is even Connect the transition structure at place.

The shape of cross section of escape groove 33 does not limits, the transition angle being avoided that between arc 31 and straightway 32 and bent axle 1 Between interfere.Preferably, the cross section of escape groove 33 is circular arc, rectangle or ellipse, and processing technique is simple, add Work efficiency rate is high.

On the basis of said structure, between the medial wall of baffle plate 3 and bent axle 1, form gap 4, to avoid affecting bent axle The normal work of 1.The width h (vertical dimension between the inwall of bent axle 1 outer surface to baffle plate 3) in gap 4 is preferably less than Equal to the height H of major axis trimming position supporting surface 11 0.4 times, it is ensured that also will not when bent axle 1 or baffle plate 3 occur transverse shakiness The major axis trimming position supporting surface 11 making bent axle 1 collides rotor core 2 through the inner ring of baffle plate 3.

Because be provided with baffle plate 3 between major axis trimming position supporting surface 11 and the rotor core 2 of bent axle 1, bent axle 1 will not Interfere, so the root at the major axis trimming position supporting surface 11 of bent axle 1 is not required to arrange back chipping groove, it is ensured that bent axle 1 has Enough intensity.Preferably, the root at the major axis trimming position supporting surface 11 of bent axle 1 is formed with transition angle 13, it is to avoid growing The root of axle trimming position supporting surface 11 forms stress and concentrates, and further increases the intensity of bent axle 1.

In order to ensure that the side of baffle plate 3 can be fitted tightly on the major axis trimming position supporting surface 11 of bent axle 1, transition angle 13 Radius less than the width h in gap 4, the most whole transition angle 13 is positioned in the structure of gap 4, it is ensured that compressor operating is more steady.

Preferred embodiment two:

The open a kind of micro-compressor of this preferred embodiment.This micro-compressor includes bent axle, rotor core and lamellar Baffle plate, the one side of baffle plate is fitted on the major axis trimming position supporting surface of bent axle, and another side is fitted on rotor core.Solve The problem interfered between existing structure rotor iron core circular arc and the knuckle of straight line junction and bent axle, it is ensured that rotor Will not tilt, not interfere with the axiality of stator-rotator after iron core assembly.

Note, above are only presently preferred embodiments of the present invention and the know-why used.Those skilled in the art can manage Solve, the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art Change, readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example, the present invention is entered Go and be described in further detail, but the present invention has been not limited only to above example, without departing from the inventive concept, Other Equivalent embodiments more can also be included, and the scope of the present invention is determined by scope of the appended claims.

Claims

1. a compressor, including bent axle (1) and rotor core (2), it is characterised in that also include the baffle plate (3) of lamellar, described The one side of baffle plate (3) is fitted on major axis trimming position supporting surface (11) of described bent axle (1), and another side is fitted in described rotor On iron core (2).

Compressor the most according to claim 1, it is characterised in that described baffle plate (3) is circulus, described baffle plate (3) Inner ring include arc (31) and straightway (32), described arc (31) and straightway (32) be connected formation Guan Bi knot Structure；Described bent axle (1) is located in the inner ring of described baffle plate (3).

Compressor the most according to claim 2, it is characterised in that at described arc (31) and straightway (32) at least One junction forms the escape groove (33) of indent.

Compressor the most according to claim 3, it is characterised in that described arc (31) and two of straightway (32) Junction is respectively formed escape groove (33), and the shape of two described escape groove (33) is identical.

5. according to the compressor described in claim 3 or 4, it is characterised in that the cross section of described escape groove (33) be circular arc, Rectangle or ellipse.

6. according to the compressor described in any one of claim 2 to 4, it is characterised in that in medial wall and the institute of described baffle plate (3) State and between bent axle (1), form gap (4).

Compressor the most according to claim 6, it is characterised in that the width h of described gap (4) is less than or equal to described major axis 0.4 times of the height H of trimming position supporting surface (11).

Compressor the most according to claim 6, it is characterised in that at the major axis trimming position supporting surface of described bent axle (1) (11) root is formed with transition angle (13).

Compressor the most according to claim 8, it is characterised in that the radius of described transition angle (13) is less than described gap (4) width h.

10. according to the compressor described in any one of Claims 1-4, it is characterised in that described compressor is micro-compressor.