CN215870945U - Brush sound wave motor magnetic shoe fixing mechanism - Google Patents
Brush sound wave motor magnetic shoe fixing mechanism Download PDFInfo
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- CN215870945U CN215870945U CN202121507350.9U CN202121507350U CN215870945U CN 215870945 U CN215870945 U CN 215870945U CN 202121507350 U CN202121507350 U CN 202121507350U CN 215870945 U CN215870945 U CN 215870945U
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- 230000002452 interceptive effect Effects 0.000 description 1
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Abstract
The utility model discloses a brushed sound wave motor magnetic shoe fixing mechanism which comprises a motor shell, magnetic shoes and a limiting frame body, wherein the limiting frame body comprises a first limiting frame body assembly and a second limiting frame body assembly, four magnetic shoe grooves for positioning the magnetic shoes are formed in the circumferential direction of the first limiting frame body assembly and the second limiting frame body assembly, the magnetic shoe grooves in the first limiting frame body assembly correspond to the magnetic shoe grooves in the second limiting frame body assembly, and radial limiting surfaces for radially limiting the magnetic shoes are arranged in the magnetic shoe grooves; a positioning connecting mechanism is arranged between the first limiting frame body assembly and the second frame body assembly. In the utility model, the magnetic shoe is not required to be adhered and fixed on the inner wall of the motor shell through glue, so that the surface of the magnetic shoe is not required to be processed into an arc surface, and the surface of the magnetic shoe is directly processed into a plane, thereby greatly reducing the processing difficulty of the magnetic shoe and effectively reducing the processing cost of the magnetic shoe.
Description
Technical Field
The utility model relates to the technical field of sound wave motors, in particular to a magnetic shoe fixing mechanism of a brushed sound wave motor.
Background
The existing sound wave motor comprises a motor shell, a magnetic shoe, a limiting frame body, a rotor assembly, an electric brush and a tailstock. The magnetic shoes are provided with four in total and are arranged on the inner side of the motor shell. The circumference of the limiting frame body is provided with four magnetic shoe grooves used for positioning the magnetic shoes, when the limiting frame body is installed, the limiting frame body is firstly installed in the motor shell, and then the four magnetic shoes are respectively placed in the four magnetic shoe grooves in the limiting frame body. The limiting frame body can only play a role in circumferential positioning for four magnetic tiles, and after the magnetic tiles are placed in the magnetic tile grooves, one side of each magnetic tile is fixed on the inner wall of the motor shell through glue, so that the radial positioning of the magnetic tiles can be realized. In order to firmly fix one side of the magnetic shoe on the inner wall of the motor shell through glue, the existing magnetic shoe has the appearance structure as shown in fig. 7, in the figure, the surface of one side of the magnetic shoe 8 is an arc surface, the radian of the arc surface is the same as that of the inner wall of the motor shell, so that the magnetic shoe 8 can be attached to the inner wall of the motor shell, a larger contact surface is formed between the magnetic shoe and the motor shell, and the magnetic shoe can be firmly adhered and fixed on the inner wall of the motor to realize the radial positioning of the magnetic shoe.
However, the conventional magnetic shoe is manufactured into a required shape by grinding a whole raw material, and the surface of the conventional magnetic shoe needs to be processed into an arc surface, so that the problems of large processing difficulty and high processing cost exist.
Disclosure of Invention
The utility model aims to solve the problems that in the existing sound wave motor, a magnetic shoe needs to be bonded and fixed on the inner wall of a motor shell through glue to realize radial positioning, and the surface of one side of the magnetic shoe needs to be processed into an arc surface to ensure that a larger contact surface can be formed between the magnetic shoe and the motor shell, so that the magnetic shoe can be firmly bonded and fixed on the inner wall of the motor, and the magnetic shoe is large in processing difficulty and high in processing cost.
The purpose of the utility model is realized by the following technical scheme: a brush sound wave motor magnetic shoe fixing mechanism comprises a motor shell, magnetic shoes and a limiting frame body, wherein the limiting frame body comprises a first limiting frame body assembly and a second limiting frame body assembly, four magnetic shoe grooves for positioning the magnetic shoes are formed in the circumferential direction of the first limiting frame body assembly and the circumferential direction of the second limiting frame body assembly, the magnetic shoe grooves in the first limiting frame body assembly correspond to the magnetic shoe grooves in the second limiting frame body assembly, and radial limiting surfaces for radially limiting the magnetic shoes are arranged in the magnetic shoe grooves; a positioning connecting mechanism is arranged between the first limiting frame body assembly and the second frame body assembly.
According to the utility model, the first limiting frame body assembly and the second limiting frame body assembly are combined to form a complete limiting frame body, and when the first limiting frame body assembly and the second limiting frame body assembly are combined, the first limiting frame body assembly and the second limiting frame body assembly are positioned and connected through the positioning and connecting mechanism; then the four magnetic shoes are respectively placed in the magnetic shoe grooves, and the whole combination body is installed in the motor shell. Because the radial limiting surface is arranged in the magnetic shoe groove, one side of the magnetic shoe is contacted with the radial limiting surface, and the other side of the magnetic shoe is contacted with the inner wall of the motor shell, the radial positioning of the magnetic shoe is realized under the condition of not adopting glue for fixation. In the utility model, the magnetic shoe is not required to be adhered and fixed on the inner wall of the motor shell through glue, so that the surface of the magnetic shoe is not required to be processed into an arc surface, and the surface of the magnetic shoe is directly processed into a plane, thereby greatly reducing the processing difficulty of the magnetic shoe and effectively reducing the processing cost of the magnetic shoe.
Preferably, the magnetic shoe has a rectangular parallelepiped structure. The magnetic shoe is of a rectangular structure, has a simple appearance and is convenient to process.
Preferably, the first limiting frame body assembly and the second limiting frame body assembly are made of plastic.
Preferably, the positioning connection mechanism comprises a positioning boss arranged on the end face of the first limiting frame body assembly and a positioning hole arranged on the end face of the second limiting frame body assembly and matched with the positioning boss. When the first limiting frame body assembly and the second limiting frame body assembly are combined, the positioning boss on the first frame body assembly is inserted into the positioning hole on the second limiting frame body assembly.
Preferably, the positioning boss is a cylinder.
Preferably, the inner walls of the first limit frame body assembly and the second limit frame body assembly are provided with avoidance grooves. In order to avoid the rotor assembly on the sound wave motor to collide and interfere with the first limit frame body assembly and the second limit frame body assembly when rotating, the inner walls of the first limit frame body assembly and the second limit frame body assembly are provided with avoidance grooves, so that the occurrence of the above conditions is avoided.
Preferably, the avoiding groove is a rectangular groove.
The utility model has the beneficial effects that: in the utility model, the magnetic shoe is not required to be adhered and fixed on the inner wall of the motor shell through glue, so that the surface of the magnetic shoe is not required to be processed into an arc surface, and the surface of the magnetic shoe is directly processed into a plane, thereby greatly reducing the processing difficulty of the magnetic shoe and effectively reducing the processing cost of the magnetic shoe.
Drawings
Fig. 1 is an exploded view of the structure of the acoustic wave motor of the present invention.
Fig. 2 is a schematic diagram of the magnetic shoe combined with the first and second limiting frame assemblies.
Fig. 3 is a schematic structural diagram of the first limiting frame assembly.
Fig. 4 is a schematic structural view of the second limiting frame assembly.
FIG. 5 is a schematic structural view of a magnetic shoe according to the present invention.
Fig. 6 is a cross-sectional view of the magnet shoe after it is secured in the motor housing.
Fig. 7 is a schematic structural diagram of an external shape of a magnetic shoe in a conventional acoustic wave motor.
In the figure: 1. motor shell, 2, rotor subassembly, 3, brush, 4, bearing, 5, tailstock, 6, first spacing framework subassembly, 7, the spacing framework subassembly of second, 8, magnetic shoe, 9, radial spacing face, 10, dodge the groove, 11, location boss, 12, locating hole.
Detailed Description
The utility model is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 6, a mechanism for fixing a magnetic shoe of a brushed acoustic motor includes a motor housing 1, a magnetic shoe 8, a limiting frame, a brush 3, a bearing 4, and a tailstock 5. The magnetic shoe 8 is in a cuboid structure. The spacing frame comprises a first spacing frame assembly 6 and a second spacing frame assembly 7. The first and second limiting frame assemblies 6 and 7 are made of plastic. Four magnetic shoe grooves are formed in the peripheries of the first limiting frame body assembly and the second limiting frame body assembly and used for positioning the magnetic shoes 8. The magnetic shoe grooves on the first limiting frame body assembly 6 correspond to the magnetic shoe grooves on the second limiting frame body assembly 7. And a radial limiting surface 9 for radially limiting the magnetic shoe 8 is arranged in the magnetic shoe groove. A positioning connecting mechanism is arranged between the first limiting frame body assembly 6 and the second frame body assembly 7. The positioning connection mechanism comprises a positioning boss 11 arranged on the end face of the first limiting frame body assembly 6 and a positioning hole 12 arranged on the end face of the second limiting frame body assembly 7 and matched with the positioning boss 11. The positioning boss 11 is a cylinder. The positioning hole 12 is a circular hole. The inner walls of the first limiting frame body assembly 6 and the second limiting frame body assembly 7 are provided with avoidance grooves 10. The avoiding groove 10 is a rectangular groove. By providing the avoiding groove 10, the rotor assembly on the acoustic motor is prevented from colliding and interfering with the first and second limiting frame assemblies when rotating.
According to the utility model, the first limiting frame body assembly and the second limiting frame body assembly are combined to form a complete limiting frame body, and when the first limiting frame body assembly and the second limiting frame body assembly are combined, the positioning boss on the first frame body assembly is inserted into the positioning hole on the second limiting frame body assembly to realize positioning connection of the first limiting frame body assembly and the second limiting frame body assembly; then the four magnetic shoes are respectively placed in the magnetic shoe grooves, and the whole combination body is installed in the motor shell. Because the radial limiting surface is arranged in the magnetic shoe groove, one side of the magnetic shoe is contacted with the radial limiting surface, and the other side of the magnetic shoe is contacted with the inner wall of the motor shell, the radial positioning of the magnetic shoe is realized under the condition of not adopting glue for fixation. In the utility model, the magnetic shoe is not required to be adhered and fixed on the inner wall of the motor shell through glue, so that the surface of the magnetic shoe is not required to be processed into an arc surface.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a there is brush sound wave motor magnetic shoe fixed establishment, includes motor housing, magnetic shoe, spacing framework, its characterized in that: the limiting frame body comprises a first limiting frame body assembly and a second limiting frame body assembly, four magnetic shoe grooves for positioning the magnetic shoes are formed in the circumferential direction of the first limiting frame body assembly and the circumferential direction of the second limiting frame body assembly, the magnetic shoe grooves in the first limiting frame body assembly correspond to the magnetic shoe grooves in the second limiting frame body assembly, and radial limiting surfaces for radially limiting the magnetic shoes are arranged in the magnetic shoe grooves; a positioning connecting mechanism is arranged between the first limiting frame body assembly and the second frame body assembly.
2. A brushed acoustic motor magnetic shoe retaining mechanism as claimed in claim 1 in which the magnetic shoe is of rectangular parallelepiped configuration.
3. The brushed acoustic motor magnetic shoe retaining mechanism of claim 1, wherein the first and second retaining frame members are made of plastic.
4. A brushed acoustic motor magnetic shoe retaining mechanism as claimed in claim 1, 2 or 3 wherein said locating and connecting mechanism comprises a locating boss disposed on the end face of the first limiting frame assembly and a locating hole disposed on the end face of the second limiting frame assembly for engaging with the locating boss.
5. A brushed acoustic motor magnetic shoe retaining mechanism as claimed in claim 4 wherein said locating boss is cylindrical.
6. A brushed acoustic motor magnetic shoe retaining mechanism as claimed in claim 1, 2 or 3 wherein the inner walls of the first and second retaining frame members are provided with an evasion groove.
7. The brushed acoustic motor magnetic shoe retaining mechanism of claim 6 wherein the evasion groove is a rectangular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121507350.9U CN215870945U (en) | 2021-07-02 | 2021-07-02 | Brush sound wave motor magnetic shoe fixing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121507350.9U CN215870945U (en) | 2021-07-02 | 2021-07-02 | Brush sound wave motor magnetic shoe fixing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215870945U true CN215870945U (en) | 2022-02-18 |
Family
ID=80332716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121507350.9U Active CN215870945U (en) | 2021-07-02 | 2021-07-02 | Brush sound wave motor magnetic shoe fixing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215870945U (en) |
-
2021
- 2021-07-02 CN CN202121507350.9U patent/CN215870945U/en active Active
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