CN202353368U

CN202353368U - Electric motor module

Info

Publication number: CN202353368U
Application number: CN 201120383655
Authority: CN
Inventors: 柴永森; 北山正弘
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Group Corp; Hefei Haier Air Conditioner Co Ltd
Priority date: 2011-10-11
Filing date: 2011-10-11
Publication date: 2012-07-25
Anticipated expiration: 2021-10-11

Abstract

The utility model discloses an electric motor module, which comprises an electric motor, wherein vibration-proof rubber for a shaft close to the electric motor is arranged on upper and lower shells of the electric motor. As the shaft surrounding the electric motor is provided with the vibration-proof rubber on the upper and lower shells, the vibration-proof rubber close to the electric motor is clamped between the electric motor and a bracket or a mounting seat when the electric motor module is fixed to the bracket or the mounting seat, thereby effectively decreasing the vibration. As the vibration-proof rubber is fixed close to the shaft, the electric motor module can decrease the vibration of the electric motor to nearly zero.

Description

A kind of electric motor assembly

Technical field

The utility model relates to household electrical appliance damping noise reduction technical field, particularly a kind of electric motor assembly.

Background technology

At present because the vibration of vertical split-type air conditioner device, ceiling-mounted air conditioner indoor electric motivation when 100Hz, 200Hz (especially) produced bigger noise.Thereby make that user's user satisfaction is poor.But, never can not find the effective measures of head it off.

As shown in Figure 1; Present wind pushing motor 6 (motor); 3 or 4 fixed feet 8 are arranged on anti-load-side end cap 5; Fixed feet more than 8 adopts spot welding or riveted joint mode to be connected with End cover for motor 5, when motor 6 matees with complete machine, generally is to cooperate the back to be fixed to motor leg 8 on the set bolt 3 of back backplate 2 with vibration-proof rubber 1.Generally speaking, the range motor axle center is near more, vibrates more little; And vibration is big more more to the periphery.Therefore, the existing motor leg place that is used for fixing, electric and magnetic oscillation the best part just.Though have vibration-proof rubber to cooperate, can not absorb motor fully and conduct the vibration that.This is the major reason that forms motor noise.

The utility model content

The purpose of the utility model is in order to address the above problem; A kind of electric motor assembly is provided; This electric motor assembly more closely vibrates more little principle according to the range motor axle center, vibration-proof rubber is arranged near the axle center of motor, reaches the effect of the vibrationproof noise reduction of the best.

To achieve these goals, the utility model provides a kind of electric motor assembly, and this kind electric motor assembly comprises motor, wherein, lower casing place on said motor, be provided with next-door neighbour said motor the axle vibration proof rubber.

Because the axle around motor locates to be provided with vibration-proof rubber up and down at shell; Thereby; When electric motor assembly is fixed to support or mount pad, the vibration proof rubber of next-door neighbour's electric drive axle will be clamped between motor and said support or the mount pad, thereby carry out effective vibration damping.Since vibration proof rubber be fixed on axle near, the utility model can be reduced to motor vibration near the state that does not have.

Preferably, the orthographic projection of said vibration proof rubber is an annular, around the axle of said motor.

Preferably, the both sides up and down of said vibration proof rubber are provided with projection equably.

The utility model technical scheme is to put vibration-proof rubber on every side up and down at the shell around the motor reel part, again with being with telescopic fixed support to block vibration-proof rubber.Fixed support directly is fixed on the backplate with bolt.Support of motor adopts telescopic the cooperation with vibration-proof rubber, can guarantee fixed.Since vibration proof rubber be fixed on the axle near, near more according to the range motor axle center, vibrate more little principle, the utility model can motor vibration be reduced near the nothing state.

Description of drawings:

Fig. 1: the mounting means cross section structure sketch map of existing motor;

Fig. 2: the installment state schematic cross-section of the electric motor assembly of the utility model one embodiment;

Fig. 3: the electric motor assembly of another embodiment of the utility model is at the sketch map of installment state;

Fig. 4: the schematic top plan view that has the vibration proof rubber of projection in the utility model;

Fig. 5: the schematic cross-section that has the vibration proof rubber of projection in the utility model;

Fig. 6: the schematic top plan view that does not have the vibration proof rubber of projection in the utility model;

Fig. 7: the schematic cross-section that does not have the vibration proof rubber of projection in the utility model.

Embodiment:

Electric motor assembly according to the utility model one embodiment comprises motor, wherein, lower casing place on said motor, be provided with next-door neighbour said motor the axle vibration proof rubber.Because the axle around motor locates to be provided with vibration-proof rubber up and down at shell; Thereby; When electric motor assembly is fixed to support or mount pad, the vibration proof rubber of next-door neighbour's electric drive axle will be clamped between motor and said support or the mount pad, thereby carry out effective vibration damping.Since vibration proof rubber be fixed on axle near, can be reduced to motor vibration near the state that does not have.

Embodiment to the utility model is elaborated with reference to the accompanying drawings.The accompanying drawing that it is pointed out that the utility model is schematically, and is not to draw in strict accordance with dimension scale.

Shown in Fig. 2-3, under the example installment state of the motor of the utility model, be provided with fixed support 11 and be enclosed within on the motor 12, be fixed on the backplate 14 through bolt 13; The axle 15 of motor passes fixed support 11; On lower casing on the

motor

12,15 respectively be provided with vibration proof rubber 16, be clipped between fixed support 11 and the motor 12 around the axle of motor.Wherein, backplate 14 can be the part of pedestal, also can be mounted in the member on the electric motor assembly, can also be the member that is fastened to pedestal.

It is pointed out that vibration proof rubber can adopt various suitable shapes,, get final product thereby carry out Vibrant buffer in the position of the axle that is close to motor as long as its axle that can be close to said motor is provided with.

For example, in the embodiment that Fig. 2 schematically shows, vibration proof rubber 16 is substantially annular, and the cross sectional shape of annular vibration proof rubber 16 is roughly L shaped.That is to say that the shape of the vibration proof rubber shown in Fig. 2 is returned to circle along a circle with roughly L shaped shape and formed.

In the embodiment that Fig. 3 schematically shows; Vibration proof rubber 16 still is substantially annular; The cross sectional shape of annular vibration proof rubber 16 is roughly a right-angled triangle and one square (can be of combining rectangle or square); Wherein, said right-angled triangle and said square partially overlapping.That is to say that the shape of the vibration proof rubber shown in Fig. 2 is returned along a circle with triangle and square combined shaped and circled and form.In the embodiment shown in fig. 3, gable is positioned at the inboard, and is positioned at the side towards motor.But according to the shape of motor and the shape of the pedestal corresponding site that cooperates with it, said gable also can be positioned at the outside.

In Fig. 4 and embodiment shown in Figure 5, vibration proof rubber 16 still is substantially annular, and the cross sectional shape of annular vibration proof rubber 16 is roughly square (for example, can be rectangle or square).That is to say that the shape of the vibration proof rubber 16 shown in Fig. 4 and Fig. 5 is that square returning along a circle circled and formed.

Shown in Figure 4 and 5, on a side of vibration proof rubber 16, have projection 17, and said projection 17 is provided with equably.Have projection 17 although only illustrate in the drawings in a side,, also can on both sides, have projection.And, have the said side of projection 17, on installment state, can be the upside and/or the downside of vibration proof rubber.From relative position, the said side that has projection 17 can be the contact side (or contact-making surface) that said vibration proof rubber contacts with the shell and/or the pedestal of said fixed support, motor.

As previously mentioned, the orthographic projection of vibration proof rubber can be annular, and around motor the axle 15.

In Fig. 6 and embodiment shown in Figure 7, vibration proof rubber 16 still is substantially annular, and the cross sectional shape of annular vibration proof rubber 16 is roughly ellipse.。That is to say that the shape of the vibration proof rubber 16 shown in Fig. 6 and Fig. 7 is or to be an ellipse substantially along a circle return circles and form.Said ellipse can be flat ellipse as shown in the figure, and promptly height can be other ellipse less than the ellipse of width, can also be round.

In Fig. 6 and embodiment shown in Figure 7, vibration proof rubber do not have Fig. 4 and embodiment illustrated in fig. 5 in projection.

In the embodiment that does not illustrate, can be provided with equably on the shell of vibration proof rubber and fixed support, motor and/or the contact-making surface of backplate porose, with absorbed oscillation better.

In the embodiment that another does not illustrate, vibration proof rubber and fixed support are inboard, the contact-making surface of the shell of motor, and with the contact-making surface of the shell of backplate and motor, be provided with jog (or concavo-convex undulations) equably.For example, the shape of vibration proof rubber is or is that a circle (for example, being similar to the outline of gear) that has a tooth is returned to circle along a circle and formed substantially.

Generally speaking, the utility model technical scheme is to put vibration-proof rubber on every side up and down at the shell around the motor reel part, again with being with telescopic fixed support to block vibration-proof rubber.Fixed support directly is fixed on the backplate with bolt.Support of motor adopts telescopic the cooperation with vibration-proof rubber, can guarantee fixed; Projection is set, and is the effect of strengthening.Since vibration proof rubber be fixed on the axle near, near more according to the range motor axle center, vibrate more little principle, the utility model can motor vibration be reduced near the nothing state.

Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the execution mode of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation that these spirit that belong to the utility model are extended out or change still are among the protection range of the utility model.

Claims

1. an electric motor assembly comprises motor, it is characterized in that, lower casing place on said motor, be provided with next-door neighbour said motor the axle vibration proof rubber.

2. electric motor assembly according to claim 1 is characterized in that: the orthographic projection of said vibration proof rubber is an annular, around the axle of said motor.

3. electric motor assembly according to claim 1 is characterized in that: the both sides up and down of said vibration proof rubber are provided with projection equably.