CN204741362U

CN204741362U - Motor carbon cover

Info

Publication number: CN204741362U
Application number: CN201520482095.5U
Authority: CN
Inventors: 刘振德; 张强; 张云; 熊春英; 郭小军
Original assignee: Shenzhen Horentop Technology Co Ltd
Current assignee: Shenzhen Horentop Technology Co Ltd
Priority date: 2015-07-06
Filing date: 2015-07-06
Publication date: 2015-11-04
Anticipated expiration: 2025-07-06

Abstract

The utility model relates to a motor carbon cover, including annular main part to and the elastic stop block of formation in annular main part, elastic stop block die -cut and extended to the annular main part outside and forms by annular main part, the annular main part is by formations of buckling of strip an organic whole, and two tooth and grooves that abutting ends formation was mutually supported of strip. The utility model discloses an adopt the strip annular main part among the integrated into one piece motor carbon cover of buckling, form the elastic stop block isotructure earlier on planar strip to thereby form the tooth at the abutting end of strip and be in the same place with groove riveting joint, can avoid to form among the prior art elastic stop block's processing predicament in annular main part. Therefore the utility model provides a motor carbon cover has the advantage that processing is convenient, production efficiency is higher.

Description

Motor carbon cover

Technical field

The utility model relates to electric motor field, particularly relates to a kind of carbon cover be applied in motor.

Background technology

Carbon cover, also known as carbon brush holder, is the important component part of motor.Pressure to be added in by spring on the carbon brush that contacts with commutator or collector ring surface sliding by carbon cover, makes carbon brush stably conduction current between fixed body and rotary body.Under the elastic force effect of spring, carbon brush all the time with commutator or collector ring surface contact, therefore motor circuit remains UNICOM's state.

Carbon cover entirety has circulus, and the structures such as the flexible block comprising annular body and formed on body, guide vane end stop, these structures are formed by body punching press.Because flexible block, guide vane end stop are formed in the different azimuth of body, difficulty is caused to processing and forming.

Utility model content

Based on this, be necessary the problem for processing difficulties, provide a kind of motor carbon cover with unique texture, the structure such as flexible block, guide vane end stop that motor carbon is put easily is processed.

A kind of motor carbon cover, comprise circumferential body, and the flexible block be formed in circumferential body, described flexible block is punched and extend outside circumferential body and form by circumferential body, described circumferential body is integrally bent to form by band, and two of band abutting ends form the tooth and groove that cooperatively interact.

Above-mentioned motor carbon cover bends the circumferential body in one-body molded motor carbon cover by employing band, first on the band of plane, form the structures such as flexible block, and form tooth and groove thus bending rivets together at the abutting end of band, the processing predicament that will form flexible block in prior art in circumferential body can be avoided.Thus the motor carbon cover that the utility model provides has the advantage that processing is convenient, production efficiency is higher.

Wherein in an embodiment, described circumferential body comprises multiple sidewall, and described flexible block is formed on different lateral.

Wherein in an embodiment, described sidewall also forms louvre.

Wherein in an embodiment, described two abutting ends are positioned at the middle part of one of them sidewall.

Wherein in an embodiment, the sidewall at described abutting end place protrudes out formation arc convex outside circumferential body.

Wherein in an embodiment, described circumferential body comprises four sidewalls, and a sidewall relative with the sidewall at abutting end place also protrudes out formation arc convex outside circumferential body.

Wherein in an embodiment, described groove is dovetail groove, and described tooth is the dovetail tooth with the mating shapes of groove.

Accompanying drawing explanation

The schematic front view of the motor carbon cover that Fig. 1 provides for the utility model one embodiment;

The end view that Fig. 2 overlaps for the carbon of motor shown in Fig. 1;

The process schematic that Fig. 3 and Fig. 4 overlaps for motor carbon shown in manuscript 1.

Embodiment

As depicted in figs. 1 and 2, the motor carbon cover that the utility model one embodiment provides, comprises circumferential body 10, and is formed in the flexible block 11 in circumferential body 10, and described flexible block 11 is punched and extend outside circumferential body 10 and form by circumferential body 10.

Understandably, in circumferential body 10, also punching press can form louvre 13.

In one embodiment, described circumferential body 10 comprises four sidewalls 101,102,103,104, and described flexible block 11 and louvre 13 are formed on different lateral.Fig. 1 and embodiment illustrated in fig. 2 in, flexible block 11 is formed on relative two sidewalls 101,103.Louvre 13 is formed on one of them sidewall 101.The specific function that flexible block 11 and these structures with screens and punching of louvre 13 will be able to realize according to motor carbon cover and be arranged in the correct position place of circumferential body 10.

Described circumferential body 10 is integrally bent to form by band, and it has two abutting ends 12,14.Fig. 1 and embodiment illustrated in fig. 2 in, abutting end 12,14 be bonded with each other formed sidewall 104.And abutting end 12 being formed tooth 121 and groove 123, on abutting end 14, the tooth 121 of corresponding abutting end 12 and groove 123 also form corresponding tooth 141 and groove 143.These teeth and groove cooperatively interact and make band be bent rear formation circumferential body 10.Particularly, the tooth 121 of abutting end 12 is corresponding to be housed in a groove 143 of abutting end 14, and 141, the tooth of abutting end 14 is corresponding to be housed in a groove 123 of abutting end 12.

In one embodiment, described groove 123,143 is dovetail groove, and described tooth 121,141 is the dovetail tooth with the mating shapes of groove 123,143.

In one embodiment, described two abutting ends 12,14 are positioned at the middle part of one of them sidewall 104.

In one embodiment, the sidewall 104 at described abutting end 12,14 place protrudes out and forms arc convex 15 outside circumferential body 10.

In one embodiment, relative with the sidewall 104 at abutting end 12, a 14 place sidewall 102 also protrudes out and forms arc convex 15 outside circumferential body 10.

Fig. 3 and Fig. 4 shows the forming process of above-mentioned motor carbon cover.Wherein Fig. 3 is the schematic front view of the band 20 for the formation of motor carbon cover, and Fig. 4 is the schematic side view of this band 20.This motor carbon cover successively forms hole, precompressed position, convex closure by the progressive die on band 20, and then through bending, riveted, the steps such as die-cut blanking form motor carbon cover as shown in Figures 1 and 2.Be separated out the step forming motor carbon cover in Fig. 3 with dotted line, in this schematic diagram through 12 steps by the bending of band 20 one, die-cutly form above-mentioned motor carbon cover.Be appreciated that, in other embodiments, concrete step suitably can adjust according to the structure of motor carbon cover, the structures such as the screens that more multi-step formation motor carbon such as may be needed to put and punching, such as form again the step riveted again that abutting end 12,14 needs to bend through more times, etc.

The utility model bends the circumferential body in one-body molded motor carbon cover by employing band, first on the band of plane, form the structures such as flexible block, and form tooth and groove thus riveted is bonded together at the abutting end of band, the processing predicament that will form flexible block in prior art in circumferential body can be avoided.Thus the motor carbon cover that the utility model provides has the advantage that processing is convenient, production efficiency is higher.

Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.

The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims

1. a motor carbon cover, comprise circumferential body, and the flexible block be formed in circumferential body, described flexible block is punched and extend outside circumferential body and form by circumferential body, it is characterized in that, described circumferential body is integrally bent to form by band, and two of band abutting ends form the tooth and groove that cooperatively interact.

2. motor carbon cover according to claim 1, it is characterized in that, described circumferential body comprises multiple sidewall, and described flexible block is formed on different lateral.

3. motor carbon cover according to claim 2, is characterized in that, described sidewall also forms louvre.

4. motor carbon cover according to claim 2, is characterized in that, described two abutting ends are positioned at the middle part of one of them sidewall.

5. motor carbon cover according to claim 4, is characterized in that, the sidewall at described abutting end place protrudes out formation arc convex outside circumferential body.

6. motor carbon cover according to claim 5, is characterized in that, described circumferential body comprises four sidewalls, and a sidewall relative with the sidewall at abutting end place also protrudes out formation arc convex outside circumferential body.

7. according to the motor carbon cover in claim 1-6 item described in any one, it is characterized in that, described groove is dovetail groove, and described tooth is the dovetail tooth with the mating shapes of groove.