CN220043153U

CN220043153U - Automobile window-rocking motor shell structure with high assembly precision

Info

Publication number: CN220043153U
Application number: CN202321559885.XU
Authority: CN
Inventors: 叶煌; 翁泽钦; 柯昌日
Original assignee: Shanghai Bobang Automobile Technology Co ltd
Current assignee: Shanghai Bobang Automobile Technology Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-11-17
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses a motor shell structure of an automobile window-rocking motor with high assembly precision, which comprises the following components: a stator having opposite open and closed ends; the gear box, the curb plate of gear box is formed with the connection opening, the connection opening is embedded to be equipped with the brush yoke, the outer fringe of brush yoke is followed connection opening's axial direction extends and forms multichannel location picture peg, multichannel the location picture peg is followed connection opening's circumference direction interval sets up, connection opening pass through the bolt detachably dock in the open end, multichannel the location picture peg inserts and locates in the open end, multichannel the outside of location picture peg laminate in the inner wall of open end. The utility model solves the problem that the manufacturing cost of the brush frame assembly is high because the gearbox, the stator and the brush frame are assembled together in the existing automobile window-shaking motor.

Description

Automobile window-rocking motor shell structure with high assembly precision

Technical Field

The utility model relates to the technical field of automobile window-rocking motors, in particular to an automobile window-rocking motor shell structure with high assembly precision.

Background

The automobile window-rocking motor is a lifter of automobile glass. Existing automotive window motors (e.g., chinese patent CN111614201 a) include a gear box, a stator, and a carbon brush assembly (or brush holder) that are assembled together. The end face machining precision requirements of the two ends of the brush frame of the existing automobile window-shaking motor are high, precise assembly with a gear box and a stator is needed, and therefore manufacturing cost of the brush frame assembly is high.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the utility model provides an automobile window-rocking motor shell structure with high assembly precision, so as to solve the problem that the manufacturing cost of a brush frame assembly is high due to the fact that a gear box, a stator and a brush frame are assembled together in the existing automobile window-rocking motor.

In order to achieve the above object, a motor casing structure for a car window-rocking motor with high assembly precision is provided, comprising:

a stator having opposite open and closed ends;

the gear box, the curb plate of gear box is formed with the connection opening, the connection opening is embedded to be equipped with the brush yoke, the outer fringe of brush yoke is followed connection opening's axial direction extends and forms multichannel location picture peg, multichannel the location picture peg is followed connection opening's circumference direction interval sets up, connection opening pass through the bolt detachably dock in the open end, multichannel the location picture peg inserts and locates in the open end, multichannel the outside of location picture peg laminate in the inner wall of open end.

Further, the two opposite sides of the outer edge of the opening end are respectively provided with a first ear plate, the two opposite sides of the outer edge of the connecting opening are respectively provided with a second ear plate with a position corresponding to that of the first ear plate, and the first ear plates are attached to the second ear plates and are connected together through bolts.

Further, the first ear plate is provided with a first lock hole, the second ear plate is provided with a second lock hole, the first lock hole and the second lock hole are coaxially arranged, and the bolt is inserted into the first lock hole and the second lock hole which correspond to each other in position.

Further, the brush holder is provided with a shaft hole, a first bearing is arranged in the shaft hole, a second bearing is arranged in the stator, a third bearing is arranged in the gear box, and the first bearing, the second bearing and the third bearing are coaxially arranged to be inserted with a rotor shaft of the automobile window-shaking motor.

Further, a plurality of positioning plugboards are arranged at equal intervals.

The motor shell structure of the automobile window-shaking motor has the beneficial effects that the brush frame (carbon brush assembly) is assembled in a mode of being built in the gear box, the rotor is assembled in the stator, the outer edge of the brush frame forms the positioning plugboard to be inserted into the opening end of the stator to directly and precisely position the stator, and then the gear box is fixedly connected with the stator through the bolt. On the other hand, the axiality of the second bearing and the third bearing at two ends of the rotor shaft is greatly improved, and the current, vibration and noise of the motor can be effectively reduced.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural view of a casing structure of an automotive window-rocking motor with high assembly accuracy according to an embodiment of the present utility model.

Fig. 2 is a front view of a motor housing structure of an automobile window-rocking motor with high assembly accuracy according to an embodiment of the present utility model.

Fig. 3 is a cross-sectional view at A-A in fig. 2.

Fig. 4 is a cross-sectional view at B-B in fig. 2.

Fig. 5 is a schematic structural view of a brush holder according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 5, the present utility model provides a motor housing structure for a car window-rocking with high assembly accuracy, comprising: a stator 1 and a gearbox 2.

Referring to fig. 1 and 3, the stator has a cylindrical-like shape as a whole. Specifically, the stator 1 has an open end and a closed end opposite to each other.

The gear box 2 is generally disc-like in shape. Specifically, the gearbox includes two end plates and a side plate 24. The end plate is circular. The two end plates are coaxially arranged. The side plates are connected between the outer edges of the two end plates. The side plates are arranged in a circle along the circumferential direction of the end plates.

Wherein the side plates 24 of the gearbox 2 are formed with connection openings. The brush holder 21 is embedded in the connecting opening of the gear case 2. Referring to fig. 4 and 5, a plurality of positioning inserts 22 are provided on the outer periphery of the brush holder 21. . The positioning insert plate 22 is formed extending in the axial direction of the connection opening. The plurality of positioning insert plates 22 are arranged at intervals along the circumferential direction of the connection opening.

As a preferred embodiment, a plurality of locating inserts 22 are provided at equal intervals.

Referring to fig. 2 and 5, the connection opening of the gear case 2 is detachably butted to the open end by a bolt. A plurality of locating inserts 22 are inserted into the open ends. The outer sides of the plurality of positioning inserts 22 are attached to the inner walls of the open ends.

As a preferred embodiment, first lugs 13 are formed on opposite sides of the outer edge of the open end of the stator, respectively. The opposite sides of the outer edge of the connection opening of the gear case 2 are respectively formed with second lugs 23. The first ear plate 13 corresponds relatively to the position of the second ear plate 23. The first ear plate 13 is attached to the second ear plate 23. The first ear plate 13 and the second ear plate 23 are connected together by bolts.

The first ear plate 13 is provided with a first lock hole. The second ear plate 23 is provided with a second lock hole. The first lock hole and the second lock hole are coaxially arranged. The bolt is inserted into the first lock hole and the second lock hole corresponding to the positions.

Referring to fig. 3, the brush holder 21 is provided with a shaft hole. A first bearing a is arranged in the shaft hole. A second bearing b is installed in the stator 1. A third bearing c is mounted in the gearbox 2. The first bearing a, the second bearing b and the third bearing c are coaxially arranged for the insertion of a rotor shaft 11 of a car-rocking motor.

The other end of the rotor shaft is coaxially connected to a worm 111. One end of the gear box is fixedly provided with a fixed shaft. The fixed shaft is rotatably mounted with a worm wheel. The worm wheel is meshed with the worm. The worm gear is coaxially connected with an output shaft.

According to the motor shell structure of the automobile window-shaking motor with high assembly precision, the brush frame (carbon brush assembly) is assembled in the gear box, the rotor is assembled in the stator, the outer edge of the brush frame forms the positioning inserting plate to be inserted into the opening end of the stator to directly and precisely position the stator, and then the gear box is fixedly connected with the stator through the bolts. On the other hand, the axiality of the second bearing and the third bearing at two ends of the rotor shaft is greatly improved, and the current, vibration and noise of the motor can be effectively reduced.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims

1. The utility model provides a car window motor casing structure that assembly precision is high which characterized in that includes:

a stator having opposite open and closed ends;

2. The motor housing structure for a car window rocker with high assembly accuracy according to claim 1, wherein first lugs are formed on opposite sides of an outer edge of the open end, second lugs corresponding to the first lugs in position are formed on opposite sides of an outer edge of the connecting opening, and the first lugs are attached to the second lugs and are connected together through bolts.

3. The motor casing structure for the automobile window rocker with high assembly precision according to claim 2, wherein the first lug plate is provided with a first lock hole, the second lug plate is provided with a second lock hole, the first lock hole and the second lock hole are coaxially arranged, and the bolt is inserted into the first lock hole and the second lock hole which correspond to each other in position.

4. The motor casing structure of the automobile window-shaking motor with high assembly precision according to claim 1, wherein the brush frame is provided with a shaft hole, a first bearing is installed in the shaft hole, a second bearing is installed in the stator, a third bearing is installed in the gear box, and the first bearing, the second bearing and the third bearing are coaxially arranged for inserting a rotor shaft of the motor of the automobile window-shaking motor.

5. The motor housing structure for a car window rocker with high assembly accuracy according to claim 1, wherein a plurality of said positioning inserts are arranged at equal intervals.