CN217789414U

CN217789414U - Rotor punching sheet of vehicle air blower motor

Info

Publication number: CN217789414U
Application number: CN202222593407.2U
Authority: CN
Inventors: 张波; 王俊文; 尹利平; 吴翔宇; 邱建勤
Original assignee: Sichuan Fusheng Auto Parts Co ltd
Current assignee: Sichuan Fusheng Auto Parts Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-11-11
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a rotor punching of automobile-used air-blower motor relates to motor technical field, including upper end towards piece, middle towards piece and lower extreme towards piece, the upper end is towards the horizontal plane structure towards piece upper end, the upper end is the thin ladder surface structure in the thick right side in a left side towards the piece, the upper end is opened towards the piece lower extreme and is had two first constant head tanks, two first locating pieces are installed towards the piece upper end in the middle, it has two second constant head tanks to open towards the piece lower extreme in the middle, second constant head tank and first locating piece phase-match, the horizontal plane structure is personally submitted towards piece lower extreme to the lower extreme, the lower extreme is the thick ladder surface structure in the thin right side in a left side towards the piece, two second locating pieces are installed towards piece upper end to the lower extreme. The utility model discloses a set up the upper end towards piece, middle towards piece and the lower extreme towards the mutual coincide of piece of three kinds of different shapes of piece and form electric motor rotor towards the piece, the dislocation condition when having reduced the coincide operation to and reduced the operation degree of difficulty that later stage rotor surface was polished, was polished.

Description

Rotor punching sheet of vehicle air blower motor

Technical Field

The utility model relates to the technical field of electric machines, in particular to automobile-used air-blower motor's rotor punching.

Background

The automobile blower is used for blowing cold air on an air conditioner evaporation box or hot air in a warm water tank into an automobile, and mainly comprises the following six parts: motor, air cleaner, air-blower body, air chamber, base (also can the oil tank), drip oil nozzle. The blower eccentrically operates by a rotor offset in a cylinder, and sucks, compresses, and discharges air by changing the volume between vanes in a rotor groove.

The basic structure of the blower motor for the vehicle consists of a stator and a rotor, wherein the rotor is formed by overlapping a plurality of rotor punching sheets, and the overlapping steps are as follows: the punching sheet center is drilled, then the bearing is used for stringing, the two punching sheets at the uppermost end and the lowermost end are compressed, and then the punching sheets are welded on the bearing, so that the purpose of overlapping the punching sheets of the motor rotor can be achieved.

As shown in fig. 6, the upper and lower end faces of the rotor sheet of the existing blower motor for vehicles are horizontal planes, and when the lamination operation is performed, the rotor sheet is stressed to slightly shift, so that the outer surface of the rotor has an uneven condition, the operation difficulty of polishing and polishing in the later period of the rotor is increased, and the quality of the rotor is also affected, so that the rotor sheet of the blower motor for vehicles is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a rotor punching sheet for an air blower motor for a vehicle, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rotor punching of automobile-used air-blower motor, includes upper end towards piece, middle towards piece and lower extreme towards piece, the horizontal plane structure is personally submitted to upper end towards piece upper end, upper end is the thick right thin ladder face structure in a left side towards piece, upper end is opened towards piece lower extreme and is had two first constant head tanks, two first locating pieces are installed towards piece upper end in the middle, two first locating pieces are respectively with two first constant head tanks phase-match, it has two second constant head tanks to open towards the piece lower extreme in the middle, second constant head tank and first locating piece phase-match, the horizontal plane structure is personally submitted to lower extreme towards piece lower extreme, the lower extreme is the thick ladder face structure in a left side towards piece, two second locating pieces are installed to lower extreme towards piece upper end, two second locating pieces respectively with two second constant head tanks phase-match.

Preferably, the middle punching sheet is of an equal-thickness stepped surface structure, and the stepped part is of a forty-five degree inclined surface structure.

Preferably, the lower end face of the upper end punching sheet is matched with the upper end face of the middle punching sheet.

Preferably, the lower end face of the middle stamped piece is matched with the upper end face of the lower stamped piece.

Preferably, the two first positioning blocks are symmetrically distributed on the left and right of the horizontal plane.

Preferably, the two second positioning blocks are respectively located right below the two first positioning blocks, and the shapes of the second positioning blocks are the same as the shapes of the first positioning blocks.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the motor rotor is formed by mutually superposing the punching sheets with three different shapes, namely the upper punching sheet, the middle punching sheet and the lower punching sheet, and the contact surfaces between every two punching sheets are stepped surfaces, when the superposition operation is carried out, the upper punching sheet or the middle punching sheet above cannot move rightwards under the influence of the stepped surfaces in the left-right direction, so that the dislocation is avoided, in the front-back direction, the upper punching sheet or the middle punching sheet above can only move forwards and backwards along the stepped surfaces under the influence of the stepped surfaces, the formation of random staggered surfaces is avoided, the operation difficulty of later-stage rotor surface grinding and polishing is reduced, and the quality of the motor rotor of the blower for vehicles is improved;

2. the accuracy of the lamination of the middle punching sheet and the lower end punching sheet is improved by arranging the second positioning groove and the second positioning block, the accuracy of the lamination of the middle punching sheet and the middle punching sheet is improved by arranging the first positioning block and the second positioning groove, the accuracy of the lamination of the upper end punching sheet and the middle punching sheet is improved by arranging the first positioning block and the first positioning groove, and the quality of the rotor is further improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of an upper punch;

FIG. 3 is a schematic perspective view of the middle sheet;

FIG. 4 is a schematic view of another perspective structure of the middle sheet;

FIG. 5 is a schematic perspective view of a lower end punch;

fig. 6 is a schematic perspective view of a rotor sheet of a conventional blower motor for a vehicle.

In the figure: 1. punching the upper end; 2. punching the middle sheet; 3. punching the lower end; 11. a first positioning groove; 21. a first positioning block; 22. a second positioning groove; 31. and a second positioning block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a rotor punching sheet of a blower motor for a vehicle includes an upper end punching sheet 1, a middle punching sheet 2 and a lower end punching sheet 3, the upper end of the upper end punching sheet 1 is of a horizontal plane structure, the upper end punching sheet 1 is of a stepped surface structure with a thick left side and a thin right side, two first positioning grooves 11 are formed in the lower end of the upper end punching sheet 1, two first positioning blocks 21 are installed at the upper end of the middle punching sheet 2, the two first positioning blocks 21 are respectively matched with the two first positioning grooves 11, two second positioning grooves 22 are formed in the lower end of the middle punching sheet 2, the second positioning grooves 22 are matched with the first positioning blocks 21, the lower end of the lower end punching sheet 3 is of a horizontal plane structure, the lower end punching sheet 3 is of a stepped surface structure with a thin left side and a thick right side, two second positioning blocks 31 are installed at the upper end of the lower end punching sheet 3, and the two second positioning blocks 31 are respectively matched with the two second positioning grooves 22.

As shown in fig. 3 and fig. 4, the intermediate stamped sheet 2 has a constant-thickness stepped surface structure, and the stepped portion has a forty-five degree inclined surface structure, and as a specific embodiment, the intermediate stamped sheet 2 is formed by splicing two horizontal surfaces in a vertically staggered manner, and the areas of the two horizontal surfaces are equal.

Further, the lower end face of the upper end sheet 1 is matched with the upper end face of the middle sheet 2, and as a specific implementation manner, the lower end face of the upper end sheet 1 and the upper end face of the middle sheet 2 are perfectly attached to each other in this embodiment.

Further, the lower end face of the middle stamped piece 2 is matched with the upper end face of the lower end stamped piece 3, and as a specific implementation manner, the lower end face of the middle stamped piece 2 and the upper end face of the lower end stamped piece 3 are perfectly attached to each other in this embodiment.

Further, two first positioning blocks 21 are symmetrically distributed on the horizontal plane, and as a specific embodiment, the first positioning block 21 in this embodiment has a notched ring structure.

Further, the two second positioning blocks 31 are respectively located right below the two first positioning blocks 21, and the shape of the second positioning block 31 is the same as that of the first positioning block 21.

It should be noted that, the utility model relates to a rotor punching sheet of vehicle air blower motor, form electric motor rotor through setting up upper end towards 1, middle towards 2 and 3 coincide of lower extreme towards, according to electric motor rotor's high demand, select the middle towards 2 of suitable quantity, then superpose middle towards 2 in proper order in the upper end of lower extreme towards 3, place upper end towards 1 at the last upper end of the middle towards 2 of the top, and then formed the rotor, wherein, improve the accuracy of middle towards 2 and 3 coincide of lower extreme towards through setting up second constant head tank 22 and second locating piece 31, improve the accuracy of middle towards 2 and 2 coincide towards 2 towards middle towards through setting up first constant head tank 21 and second constant head tank 22, improve the accuracy of upper end 1 and 2 coincide towards middle towards through setting up first constant head tank 21 and first constant head tank 11, further improved the quality of rotor; when carrying out the coincide operation, on the left and right sides, the upper end towards piece 1 or the middle towards piece 2 of top receive the influence of ladder face can't remove right, avoid forming the dislocation, and on the fore-and-aft direction, the upper end towards piece 1 or the middle towards piece 2 of top receive the influence of ladder face can only carry out the fore-and-aft direction and remove along the ladder face, avoid forming random staggered face, reduced the operation degree of difficulty that later stage rotor surface ground, polished, improved automobile-used air-blower motor rotor's quality.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automobile-used air-blower motor's rotor punching, includes upper end towards piece (1), middle towards piece (2) and lower extreme towards piece (3), its characterized in that: the upper end is towards personally submitting horizontal plane structure towards piece (1) upper end, the upper end is the thin ladder surface structure in the thick right side in a left side towards piece (1), the upper end is opened towards piece (1) lower extreme has two first constant head tank (11), two first constant head tank (21), two are installed towards piece (2) upper end to the centre first constant head tank (21) respectively with two first constant head tank (11) phase-matchs, it has two second constant head tank (22) to open towards piece (2) lower extreme in the centre, second constant head tank (22) and first constant head tank (21) phase-match, horizontal plane structure is personally submitted towards piece (3) lower extreme, lower extreme is the thick ladder surface structure in the thin right side in a left side towards piece (3), two second locating piece (31), two are installed towards piece (3) upper end to the lower extreme second locating piece (31) respectively with two second constant head tank (22) phase-matches.

2. The rotor sheet of a blower motor for vehicles according to claim 1, characterized in that: the middle punching sheet (2) is of a ladder surface structure with equal thickness, and the ladder position is of a forty-five degree inclined plane structure.

3. The rotor sheet of a blower motor for vehicles according to claim 2, characterized in that: the lower end face of the upper end punching sheet (1) is matched with the upper end face of the middle punching sheet (2).

4. The rotor sheet of a blower motor for vehicles according to claim 3, characterized in that: the lower end face of the middle punching sheet (2) is matched with the upper end face of the lower punching sheet (3).

5. The rotor sheet of a blower motor for vehicles according to claim 4, characterized in that: the two first positioning blocks (21) are distributed symmetrically on the left and right on the horizontal plane.

6. The rotor sheet of the blower motor for the vehicle as set forth in claim 5, wherein: the two second positioning blocks (31) are respectively positioned under the two first positioning blocks (21), and the shapes of the second positioning blocks (31) are the same as the shapes of the first positioning blocks (21).