Automotive DC brush motor stator magnetic shoe holding mechanism

Abstract

The utility model discloses a vehicle DC brush motor stator magnetic shoe holding mechanism, which relates to the motor structure field, and comprises a casing, a magnetic shoe positioning framework, a magnetic shoe and a magnetic shoe clamp, the magnetic shoe positioning framework is arranged in the casing, the top of the magnetic shoe positioning framework is provided with a long positioning column and three short positioning columns, and the long positioning column and the three short positioning columns are arranged in the casing. A positioning mechanism is arranged between the long positioning column and the machine shell. The number of the magnetic shoes is four, the four magnetic shoes are inserted into the top of the magnetic shoe positioning framework respectively and located between the adjacent long positioning columns and the short positioning columns and between the adjacent short positioning columns, and the magnetic shoe clamp is arranged between every two adjacent magnetic shoes. The magnetic tile is high in structural strength, capable of enabling the magnetic tile to be tightly attached to the inner wall of the machine shell, free of failure caused by vibration, free of glue, free of curing time, environmentally friendly and efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor structure field, concretely relates to a direct current brush motor stator magnetic shoe holding mechanism for vehicle. BACKGROUND

[0002] In prior art, direct current brush motor stator magnetic shoe holding for vehicle usually adopts glue bonding fixed, and the glue can be invalid in long -term vibration, high temperature environment, resulting in motor damage, and using glue is not conducive to environmental protection in the production process. For this reason, the utility model provides a direct current brush motor stator magnetic shoe holding mechanism for vehicle. UTILITY MODEL CONTENTS

[0003] In view of the above existing motor stator magnetic shoe holding mechanism problem, the utility model is provided.

[0004] Therefore, the utility model aims at providing a direct current brush motor stator magnetic shoe holding mechanism for vehicle, which solves the problems in the background art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A direct current brush motor stator magnetic shoe holding mechanism for vehicle, including casing, magnetic shoe positioning framework, magnetic shoe and magnetic shoe card, the magnetic shoe positioning framework is located in the inside of casing, the top of magnetic shoe positioning framework is provided with long positioning column and three short positioning columns, and the long positioning column is equipped with positioning mechanism between casing;The number of magnetic shoe is four, four magnetic shoe is inserted in the top of magnetic shoe positioning framework respectively, and is located between adjacent long positioning column and short positioning column and between adjacent short positioning column, and the magnetic shoe card is set up between two adjacent magnetic shoe.

[0007] Preferably, the casing adopts a cylindrical structure with one end closed, and the casing adopts a steel plate stretch forming shell.

[0008] Preferably, the positioning mechanism includes a positioning protrusion provided on the inner wall of the casing, and the sidewall of the long positioning column is provided with a positioning groove matched with the positioning protrusion.

[0009] Preferably, the magnetic shoe positioning framework adopts a circular ring structure, and the long positioning column and the short positioning column are integrally formed with the magnetic shoe positioning framework.

[0010] Further, the magnetic shoe adopts an arc-shaped member, and the outer sidewall of the magnetic shoe is attached to the inner wall of the casing.

[0011] Preferably, the magnetic shoe card adopts an M-shaped elastic member, and the magnetic shoe card provides radial support force for the adjacent two magnetic shoes, and the two ends of the magnetic shoe card are provided with anti-dropping bent parts connected with the adjacent magnetic shoe card.

[0012] In the above technical solutions, the technical effects and advantages provided by the utility model are as follows:

[0013] The utility model discloses not use glue, need not solidification time, environmental protection high efficiency.

[0014] The utility model discloses the structure is reliable, and each spare part will not be damaged or come out.

[0015] The utility model discloses the magnetic tile card is elastic element, can provide radial support force for two adjacent magnetic tiles, make the magnetic tile and the inner wall of the casing tightly fit, and will not fail due to vibration. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the person skilled in the art better understand the technical scheme of the utility model, the following will be further introduced in detail to the utility model with the drawings.

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the plan view of the utility model;

[0019] Figure 3 It is the Figure 1 Three-dimensional view of the magnetic tile positioning framework;

[0020] Figure 4 It is the Figure 2 The A part of the enlarged schematic view of;

[0021] Figure 5 It is the structure schematic diagram of the utility model that proposes the six-pole stator.

[0022] EXPLANATION OF REFERENCE NUMERALS:

[0023] 1, the casing;2, the magnetic tile positioning framework;3, the magnetic tile;4, the magnetic tile card;5, the long positioning column;6, the short positioning column;7, the positioning convex;8, the positioning recess;9, the anti-drop bending part. DETAILED DESCRIPTION

[0024] In order to make the person skilled in the art better understand the technical scheme of the utility model, the following will be further introduced in detail to the utility model with the drawings.

[0025] The utility model provides as Figures 1-4The application discloses a kind of DC brush motor stator magnetic tile holding mechanism for vehicle, including shell 1, magnetic tile positioning framework 2, magnetic tile 3 and magnetic tile 4, shell 1 adopts the tubular structure of one end being closed, and shell 1 adopts steel plate stretch forming shell, so that the overall structural strength of shell 1 is high, magnetic tile positioning framework 2 is located in the inside of shell 1, the top of magnetic tile positioning framework 2 is provided with long positioning column 5 and three short positioning columns 6, magnetic tile positioning framework 2 adopts circular ring structure, long positioning column 5 and short positioning column 6 are integrally formed with magnetic tile positioning framework 2, long positioning column 5 and short positioning column 6 are distributed in equidistant, the number of magnetic tile 3 is four, four magnetic tile 3 are inserted into the top of magnetic tile positioning framework 2 respectively, and are located between adjacent long positioning column 5 and short positioning column 6 and between adjacent short positioning column 6, magnetic tile 4 is arranged between adjacent two magnetic tile 3, magnetic tile 3 adopts arc-shaped piece, and the outer wall of magnetic tile 3 is attached with the inner wall of shell 1, magnetic tile 4 adopts M-shaped elastic piece, and magnetic tile 4 provides radial support force for adjacent two magnetic tile 3, the two ends of magnetic tile 4 are provided with anti-drop bending part 9 for being clamped with adjacent magnetic tile 3, so that magnetic tile 4 is not easy to fall off between adjacent magnetic tile 3, the mounting structure described above does not use glue, does not need curing time, and is environment-friendly and efficient.

[0026] As shown in Figures 2-3 Long positioning column 5 and shell 1 are provided with positioning mechanism, positioning mechanism includes positioning protrusion 7 arranged on the inner wall of shell 1, and positioning groove 8 is formed in the side wall of long positioning column 5 and matched with positioning protrusion 7, when magnetic tile positioning framework 2 is placed in the inside of shell 1, positioning protrusion 7 is inserted into the inside of positioning groove 8, so that the circumferential positioning of magnetic tile positioning framework 2 in the inside of shell 1 can be realized, and the stability of magnetic tile positioning framework 2 in the inside of shell 1 is increased.

[0027] When assembling: first, magnetic tile positioning framework 2 is placed in the inside of shell 1, so that positioning groove 8 on long positioning column 5 is matched and connected with positioning protrusion 7 on the inner wall of shell 1, then four magnetic tile 3 are placed between adjacent long positioning column 5 and short positioning column 6 and between adjacent short positioning column 6, and magnetic tile 4 is inserted between adjacent two magnetic tile 3, so that radial support force is provided for adjacent two magnetic tile 3 by magnetic tile 4, so that magnetic tile 3 is closely attached with the inner wall of shell 1.

[0028] The utility model is not limited to a certain motor, and can be applied to motors of different sizes and different pole numbers, for example, six-pole stator (such as Figure 5 ).

[0029] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A stator magnet holder mechanism for a vehicle-mounted DC brushed motor, comprising a housing (1), a magnet positioning frame (2), a magnet (3), and a magnet clip (4), characterized in that: The magnetic tile positioning framework (2) is located inside the shell (1), the top of the magnetic tile positioning framework (2) is provided with a long positioning column (5) and three short positioning columns (6), and the long positioning column (5) is provided with a positioning mechanism between the shell (1). The number of the magnetic tile (3) is four, four magnetic tiles (3) are respectively inserted into the top of the magnetic tile positioning framework (2), and are located between adjacent long positioning columns (5) and short positioning columns (6) and between adjacent short positioning columns (6), and the magnetic tile holder (4) is arranged between two adjacent magnetic tiles (3).

2. The stator segment retention mechanism for a DC brushed motor for automotive applications of claim 1, wherein: The shell (1) adopts a cylindrical structure with one end closed, and the shell (1) is formed by stretching a steel plate.

3. The direct current brushed motor stator segment retention mechanism for automotive use of claim 1, wherein: The positioning mechanism comprises a positioning protrusion (7) arranged on the inner wall of the shell (1), and the sidewall of the long positioning column (5) is provided with a positioning groove (8) matched with the positioning protrusion (7).

4. The direct current brushed motor stator segment retention mechanism for automotive use of claim 1, wherein: The magnetic tile positioning framework (2) adopts a circular ring structure, and the long positioning column (5) and the short positioning column (6) are integrally formed with the magnetic tile positioning framework (2).

5. The direct current brushed motor stator segment retention mechanism for automotive use of claim 1, wherein: The magnetic tile (3) adopts an arc-shaped piece, and the outer sidewall of the magnetic tile (3) is arranged in close contact with the inner wall of the shell (1).

6. The direct current brushed motor stator segment retention mechanism for automotive use of claim 1, wherein: The magnetic tile holder (4) adopts an M-shaped elastic piece, and provides radial support force for the adjacent two magnetic tiles (3), and the two ends of the magnetic tile holder (4) are provided with anti-dropping bent portions (9) for clamping the adjacent magnetic tiles (3).

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