CN202178646U

CN202178646U - Blower brush holder connection structure

Info

Publication number: CN202178646U
Application number: CN2011203121480U
Authority: CN
Inventors: 王冠宁
Original assignee: CHONGQING HUAYU INDUSTRIAL CO LTD
Current assignee: CHONGQING HUAYU INDUSTRIAL CO LTD
Priority date: 2011-08-25
Filing date: 2011-08-25
Publication date: 2012-03-28
Anticipated expiration: 2021-08-25

Abstract

The utility model discloses a blower brush holder connection structure which includes screws, rubber pads, elastic pads, flat pads, and limited posts. The rubber pad is in a circular ring shape, an outer wall of the rubber pad is peripherally provided with a slot, and the rubber pad is stuck in a through hole in a brush holder assembly via the slot. The limited post is in a T-shaped structure, and is provided with a through hole axially. The limited post passes through a central hole of the rubber pad. A big end of the limited post presses against the outside of the rubber pad. The screw passes through the elastic pad, the flat pad, and the through hole of the limited post in order, and then is screwed in a bolt hole in a front end cover. The blower brush holder connection structure belongs to a soft fastening structure. In the operation of a motor, the resonance generated by the residual unbalance value of a rotating part can be absorbed and buffered by the rubber pads and the limited posts.

Description

A kind of air blast brush holder syndeton

Technical field

The utility model relates to the used air blast of a kind of automotive air-conditioning system, relates in particular to a kind of air blast brush holder syndeton.

Background technology

Along with the develop rapidly of automobile industry, whole industry is to the improve of products quality consciousness, also is strict further to the standard of auxiliary component.The standard of automotive air-conditioning system is also perfect progressively, the trend standardization, and the noise that occurs during the blower fan motor rotation of air-conditioning system inside also more and more receives showing great attention to of industry and client.

The used air blast of automotive air-conditioning system is made up of impeller, mounting disc and motor, and the motor of air blast is made up of front end housing assembly, rear end cap assembly, rotor assembly and stator module, and the front end housing assembly comprises front end housing, brush mount component and carbon brush component.

In the prior art, air blast brush holder syndeton is like Fig. 1, shown in 2 and 3, and this air blast brush holder syndeton comprises screw 1a, plain cushion 2a and bullet pad 3a.Front end housing 4a is provided with three bolts hole, and brush mount component 5a is provided with three through holes, and three bolts hole of front end housing 4a and three through holes of brush mount component 5a are corresponding.When connecting front end housing 4a and brush mount component 5a; Arranged outside plain cushion 2a and bullet pad 3a at brush mount component 5a; Screw 1a is passed the through hole of bullet pad 3a, plain cushion 2a and brush mount component 5a, and screw in the bolt hole of front end housing 4a, brush mount component 5a firmly is connected with front end housing 4a.But above-mentioned this connected mode belongs to rigid fastening structure, and used part is metal material, in motor operation course, can form resonance, makes carbon brush in the brush box of brush holder, become rigidity contact and collision, causes motor operation abnormal sound.

The utility model content

To the above-mentioned deficiency that exists in the prior art, the utility model provides a kind of air blast brush holder syndeton that reduces noise.

In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme: a kind of air blast brush holder syndeton comprises screw, rubber blanket and limited post; Said rubber blanket is an annular, and the outer wall of rubber blanket is along being circumferentially with draw-in groove, and said rubber blanket is stuck in the through hole of brush mount component through draw-in groove; Said limited post is a T shape structure, is provided with through hole along axis, and said limited post passes the centre bore of rubber blanket, and the big end of limited post is pressed in the outside of rubber blanket; Said screw passes the through hole of limited post, and screws in the bolt hole of front end housing.

A kind of preferred version as the utility model also comprises bullet pad and plain cushion, and said screw passes the through hole of bullet pad, plain cushion and limited post successively, and screws in the bolt hole of front end housing.

The beneficial effect of the utility model: the air blast brush holder syndeton of the utility model is made up of screw, bullet pad, plain cushion, rubber blanket and limited post; Belong to soft fastening structure, in motor operation course, the resonance that produces because of the remaining amount of unbalance of rotating parts; Rubber blanket and limited post can absorb, cushion it; When resonance is sent to carbon brush component, vibrate by maximized absorption the effect that reaching is flexible coupling reduces to vibrate; Make that the break-in of carbon brush component and rotor assembly is smooth more, let motor carry out work under the environment more stably.

Description of drawings

The front view that Fig. 1 is connected with front end housing through air blast brush holder syndeton of the prior art for brush mount component;

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

Fig. 3 is the partial enlarged drawing of A part among Fig. 2

The front view that Fig. 4 is connected with front end housing for the air blast brush holder syndeton of brush mount component through the utility model;

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

Fig. 6 is the partial enlarged drawing of B part among Fig. 5.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is done to describe in further detail.

The front view that Fig. 4 is connected with front end housing for the air blast brush holder syndeton of brush mount component through the utility model, Fig. 5 is the right view of Fig. 4, Fig. 6 is B partial enlarged drawing partly among Fig. 5, and is as shown in the figure.A kind of air blast brush holder syndeton comprises screw 3, rubber blanket 1, bullet pad 7, plain cushion 8 and limited post 2.Rubber blanket 1 is an annular, and the outer wall of rubber blanket 1 is along being circumferentially with draw-in groove 4, and rubber blanket 1 is stuck in the through hole of brush mount component 5 through draw-in groove 4.Limited post 2 is a T shape structure, and limited post 2 is provided with through hole along its axis, and limited post 2 passes the centre bore of rubber blanket 1, and the big end of limited post 2 is pressed in the outside of rubber blanket 1.Screw 3 passes the through hole of bullet pad 7, plain cushion 8 and limited post 2 successively, and screws in the bolt hole of front end housing 6, and brush mount component 5 is connected with front end housing 6.

The above-mentioned air blast brush holder syndeton of being made up of screw 3, bullet pad 7, plain cushion 8, rubber blanket 1 and limited post 2 belongs to soft fastening structure.Rubber blanket 1 belongs to the soft rubber material, can absorb impulsive force to greatest extent.Limited post 2 adopts plastic materials, also has the effect of absorbed oscillation, carries out spacingly through 2 pairs of rubber blankets of limited post 1, guarantees that the geometric position of installing is scientific.In motor operation course; The resonance that produces because of the remaining amount of unbalance of rotating parts, rubber blanket 1 can absorb, cushion it with limited post 2, when resonance is sent to carbon brush component; Vibration is by maximized absorption; The effect that reaching is flexible coupling reduces to vibrate makes that the break-in of carbon brush component and rotor assembly is smooth more, lets motor carry out work under the environment more stably.

Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.

Claims

1. an air blast brush holder syndeton comprises screw (3), it is characterized in that: also comprise rubber blanket (1) and limited post (2); Said rubber blanket (1) is an annular, and the outer wall of rubber blanket (1) is along being circumferentially with draw-in groove (4), and said rubber blanket (1) is stuck in the through hole of brush mount component (5) through draw-in groove (4); Said limited post (2) is a T shape structure, is provided with through hole along axis, and said limited post (2) passes the centre bore of rubber blanket (1), and the big end of limited post (2) is pressed in the outside of rubber blanket (1); Said screw (3) passes the through hole of limited post (2), and screws in the bolt hole of front end housing (6).

2. a kind of air blast brush holder syndeton according to claim 1; It is characterized in that: also comprise bullet pad (7) and plain cushion (8); Said screw (3) passes the through hole of bullet pad (7), plain cushion (8) and limited post (2) successively, and screws in the bolt hole of front end housing (6).