CN202840718U

CN202840718U - Air condition compressor rotor

Info

Publication number: CN202840718U
Application number: CN201220416893.4U
Authority: CN
Inventors: 洪飞; 陈超
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: 2012-08-21
Filing date: 2012-08-21
Publication date: 2013-03-27
Anticipated expiration: 2022-08-21

Abstract

Provided is an air condition compressor rotor. The air condition compressor rotor comprises a rotor body, wherein an upper end ring is arranged at the upper end part of the rotor body and a lower end ring is arranged at the lower end part of the rotor body, and a rotation shaft through hole is formed in the rotor body; and the upper end ring and/or the lower end ring are/is provided with a counterweight balance part along the inner walls/wall of the rings/ring. The counterweight balance part is arranged on the inner wall of the end ring to achieve and effect that one side of the end ring is heavier, an end ring structure and a balance block structure are integrated, so that on one side, the end surface of an aluminum ring and the end surface of a balance body are at the same plane height, a protruding step structure of the balance block is eliminated, the wind resistance loss is reduced and the motor efficiency is improved, and on the other side, with the same volume, a cast aluminum material whose price is much cheaper than that of a copper material is adopted, so that the cost is lowered to a certain extent; meanwhile, as no protruding structure is arranged on either two sides of the rotor body, the overall length of the rotor body is shortened, the motor inertia moment is reduced, the starting is much easier, and the miniaturization and the compactness of a compressor are more favorably implemented.

Description

Air conditioner compressed machine rotor

Technical field

The utility model relates to compressor field, relates in particular to the balancing rotor that uses on a kind of compressor of air conditioner.

Background technology

The existing compressor that is used on the household electrical appliance such as air-conditioning generally includes shell, the pump housing, stator, rotor, rotating shaft, gas-liquid separator, air intake duct and blast pipe.The stator fixed installation in the enclosure, rotor rotates in stator interior during work, drive pump housing piston by rotating shaft and do eccentric rotary, under the eccentric rotary effect of pump housing piston, cold-producing medium is in air intake duct is inhaled into the pump housing, surpass critical pressure until be compressed into pressure, just export in the refrigerating circulation system through blast pipe.When pump housing piston is done eccentric rotary, in order to reduce the vibrations that produce under the eccentric rotary effect, usually balance weight can be set in the upper and lower of rotor, be used for regulating the balance of compressor.

With reference to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 to Fig. 3 is the structural representation of a kind of compressor drum in the prior art.This rotor comprises rotor body 100, be arranged at top ring 101 and the lower loop 102 at rotor body 100 two ends, be fixed on the upper balance weight 103 on top ring 101 outer faces and be fixed on lower balance weight 104 on lower loop 102 outer faces, upper balance weight 103 and lower balance weight 104 all are the semicircle loop configuration, make a side of rotor and opposite side form weight difference by balance weight is set, thereby play the effect of adjustment.But at present the modes of riveted joint that adopt are connected more between the rotor of compressor of air conditioner and the balance weight, the firm degree of riveting in compressor operation exists certain hidden danger, and present balance weight major part is arranged on the end ring, protrude from outside the rotor body end face, therefore the part of this protrusion can produce windage loss in rotor rotation process, thereby causes the reduction of electric efficiency.

The utility model content

The purpose of this utility model provides and a kind ofly can effectively reduce windage, can realize the air conditioner compressed machine rotor of compressor miniaturization, densification.

To achieve these goals, the utility model is taked following technical solution: air conditioner compressed machine rotor, comprise rotor body, and be provided with top ring in the upper end of rotor body, the bottom is provided with lower loop, is provided with the rotating shaft through hole in rotor body; Top ring and/or lower loop are provided with the counterweigh section that arranges along the ring inwall.

The upper surface of counterweigh of the present utility model section is corresponding with the lower surface concordant with the upper surface of its place end ring with the lower surface.

The projection of shape of counterweigh of the present utility model section vertical direction is crescent.

Counterweigh of the present utility model section is semicircular ring.

Counterweigh of the present utility model section inboard is provided with the curved flanges of protruding to the end ring center.

The center of the inner circle of top ring of the present utility model and/or described lower loop does not overlap with the center of circle of cylindrical.

The inner circle of top ring of the present utility model and/or described lower loop be shaped as ellipse.

The counterweigh section that is arranged at described top ring one side of the present utility model is upper counterweigh section, and the counterweigh section that is arranged at described lower loop opposite side is lower counterweigh section, and described upper counterweigh section and described lower counterweigh section vary in weight.

Top ring of the present utility model and/or described lower loop and counterweigh section adopt aluminum casting to be integral.

As known from the above, the utility model forms the one-sided effect that lays particular stress on of end ring along on the ring inwall of end ring counterweigh section being set, end ring is installed in the end of rotor body after, can realize regulating the purpose of compressor balance.The utility model is integrated end ring structure and balance block structure, make aluminium ring end face and balance weight end face be in the same plane height on the one hand, eliminated the ledge structure that existing balance weight protrudes, can reduce windage loss, favourable raising electric efficiency, copper with respect to volume on the other hand, adopted the lower cast aluminium material of unit price, cost decreases, because the rotor body two ends do not have the projective structure of balance weight, the entire length of rotor body shortens, and can reduce the motor the moment of inertia simultaneously, make startup easier, also be beneficial to and realize compressor miniaturization and densification.

Description of drawings

Fig. 1 is the structural representation of a kind of rotor in the prior art;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the upward view of Fig. 1;

Fig. 4 is the structural representation of the utility model embodiment 1;

Fig. 5 is the vertical view of Fig. 4;

Fig. 6 is the upward view of Fig. 4;

Fig. 7 is the structural representation of the utility model embodiment 2;

Fig. 8 is the structural representation of the utility model embodiment 3;

Fig. 9 is the structural representation of the utility model embodiment 4.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in more detail.

Embodiment

Embodiment 1

As shown in Figure 4, the air conditioner compressed machine rotor of the present embodiment comprises rotor body 1, is provided with top ring 2 and the lower loop 3 of aluminum in the upper/lower terminal section correspondence of rotor body 1.Be processed with the rotating shaft through hole a that arranges along the axis of rotor body 1 in the rotor body 1, be used for installing compressor rotation shaft.For convenience of description, the axis direction (being the centerline direction among Fig. 4) with rotor body 1 is defined as vertical direction.

Simultaneously with reference to Fig. 5, ring inwall on top ring 2 right sides is provided with the b of counterweigh section, the upper counterweigh b of section arranges along the ring inwall of top ring 2, upward the projection of shape on the b of the counterweigh section vertical direction is crescent, the upper surface of the upper counterweigh b of section is corresponding with the lower surface concordant with the upper surface of top ring 2 with the lower surface, the upper surface that is whole top ring 2 is the plane, and the lower surface also is the plane, can reduce windage loss thus.With respect to the left side that counterweigh section is not set, set up the counterweigh section that protrudes from the ring inwall on top ring 2 right sides, top ring 2 right sides are laid particular stress on respect to the left side, when top ring 2 is installed on the rotor body 1, counterweigh section on the end ring is equivalent to the effect of balance weight, can make varying in weight in the weight of opposite side of rotor body 1 one sides.

Refer again to Fig. 6, the ring inwall that is arranged at lower loop 3 left sides on rotor body 1 bottom is provided with the lower counterweigh c of section that arranges along lower loop 3 ring inwalls, the projection of shape of the lower counterweigh c of section vertical direction also is crescent, setting up the lower counterweigh c of section makes lower loop 3 form one-sided laying particular stress on, after rotor body 1 two ends are provided with the end ring with counterweigh section, can regulate compressor balance.The thickness of the lower c of counterweigh section in the present embodiment (distance between the contact-making surface of the medial surface of counterweigh section and itself and end ring) is less than the thickness of the upper counterweigh b of section.

Embodiment 2

As shown in Figure 7, be arranged at the semicircle loop configuration that the upper counterweigh b of section on the top ring 2 arranges for the ring inwall along top ring 2 in the present embodiment, the upper and lower end face of the upper counterweigh b of section is concordant with the upper and lower end face of top ring 2.The structure of the lower counterweigh section of lower loop 3 is identical with shape and the structure of the upper counterweigh b of section.The connecting relation of other parts and parts is identical with embodiment 1.

Embodiment 3

As shown in Figure 8, the present embodiment and embodiment 2 different places are: the upper counterweigh b of the section medial surface that is arranged on the top ring 2 also is provided with one section curved flanges of protruding to top ring 2 centers.

Embodiment 4

As shown in Figure 9, the present embodiment and embodiment 1 different place is: upper counterweigh section is arranged on the ring inwall on top ring 2 right sides, the medial surface of upper counterweigh section and the ring inwall of top ring 2 opposite sides form the inner circle of top ring 2, the inner circle of top ring 2 is oval, and the geometric center of this inner circle does not overlap with the center of circle (center of end ring) of top ring cylindrical, and namely inner circle is with respect to the center eccentric setting of top ring 2.The inner circle of top ring 2 is setovered left in the present embodiment, makes the thickness of top ring 2 right side annulus greater than the thickness of left side annulus, forms the top ring that lay particular stress on the right side, can adjustment.

Above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although with reference to above-described embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that, still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the scope of technical solutions of the utility model.

Claims

1. air conditioner compressed machine rotor comprises rotor body, is provided with top ring in the upper end of described rotor body, the bottom is provided with lower loop, is provided with the rotating shaft through hole in rotor body;

It is characterized in that:

Described top ring and/or described lower loop are provided with the counterweigh section that arranges along the ring inwall.

2. air conditioner compressed machine rotor as claimed in claim 1 is characterized in that: the upper surface of described counterweigh section is corresponding with the lower surface concordant with the upper surface of its place end ring with the lower surface.

3. air conditioner compressed machine rotor as claimed in claim 1 is characterized in that: the projection of shape of described counterweigh section vertical direction is crescent.

4. air conditioner compressed machine rotor as claimed in claim 1 is characterized in that: described counterweigh section is semicircular ring.

5. air conditioner compressed machine rotor as claimed in claim 4 is characterized in that: described counterweigh section inboard is provided with the curved flanges of protruding to the end ring center.

6. air conditioner compressed machine rotor as claimed in claim 1, it is characterized in that: the center of the inner circle of described top ring and/or described lower loop does not overlap with the center of circle of cylindrical.

7. air conditioner compressed machine rotor as claimed in claim 6 is characterized in that: the inner circle of described top ring and/or described lower loop be shaped as ellipse.

8. air conditioner compressed machine rotor as claimed in claim 1, it is characterized in that: the counterweigh section that is arranged at described top ring one side is upper counterweigh section, the counterweigh section that is arranged at described lower loop opposite side is lower counterweigh section, and described upper counterweigh section and described lower counterweigh section vary in weight.

9. such as each described air conditioner compressed machine rotor of claim 1-8, it is characterized in that: described top ring and/or described lower loop and counterweigh section adopt aluminum casting to be integral.