CN211183561U - Flat motor - Google Patents

Abstract

The utility model discloses a miniature flat motor includes upper casing and lower casing, upper casing and lower casing joint, the upper casing with the intracavity that holds that the lower casing formed is provided with the vibration subassembly, and the inside of upper casing is provided with the magnet steel, and the inside of lower casing is provided with down the magnet steel, goes up the magnet steel and corresponds each other with the magnetic pole of magnet steel down, is provided with the locating hole on the roof on the upper casing, and the circumference of lower casing is equipped with the backplate that stretches to the outside. Through set up the locating hole on last casing to install the pilot pin corresponding with the locating hole size on the upper casing on the mould, make the magnet steel magnetic pole in the upper casing corresponding with the magnetic pole in the lower casing, then the upper casing of having installed the magnet steel is through the direct and lower casing subassembly of pilot pin on the mould installation combination, and locating hole and backplate all play the effect of location sign when the magnet steel is installed, and this technology installation is simple, efficient, defective rate low grade.

Description

Flat motor

Technical Field

The utility model belongs to the technical field of the motor, more specifically, the utility model relates to a miniature flat motor.

Background

At present, current miniature flat motor double-magnet steel product need align N S's in two magnet steel about with the magnetic pole, and the magnet steel in the lower casing generally adopts the mode of the fixed lower casing of mould, and magnet steel passes through the mould after magnetizing and directly installs in the lower casing, can the magnetic pole direction of snap-on NS. However, the magnetic steel in the upper case can only search the magnetic pole direction by using a blind installation rotating mode when being installed due to the fact that the NS magnetic pole has no marking mode, and the mode is high in labor cost, low in efficiency and the like.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a miniature flat motor to solve the problem of low installation efficiency of flat motors in the prior art.

In order to achieve the above object, the utility model provides a miniature flat motor, including upper housing and lower casing, upper housing and lower casing joint, the upper housing with the intracavity that holds that the lower casing formed is provided with the vibration subassembly, and the inside of upper housing is provided with the magnet steel, and the inside of lower casing is provided with down the magnet steel, and the magnetic pole of going up magnet steel and magnet steel corresponds each other down, is provided with the locating hole on the roof on the upper housing, and the circumference of lower casing is equipped with the backplate that stretches to the outside.

Furthermore, the upper magnetic steel is bonded with the upper shell, and the lower magnetic steel is bonded with the lower shell.

Furthermore, a plurality of bosses are arranged in the circumferential direction of the lower shell, a plurality of clamping grooves are arranged in the circumferential direction of the upper shell, and the bosses are clamped in the clamping grooves.

Furthermore, two positioning holes are symmetrically formed in the top wall of the upper shell.

Furthermore, the connecting line of the positioning hole is vertical to the guard plate.

Further, the guard plate is located between the two positioning holes.

Use the technical scheme of the utility model, through set up the locating hole on last casing to the locating hole size corresponding pilot pin on installation and the last casing on the mould, make the magnet steel magnetic pole in the last casing corresponding with the magnetic pole in the lower casing, then the last casing of installing the magnet steel is through the pilot pin on the mould direct and lower casing subassembly installation combination, locating hole and backplate all play the effect of location sign when the magnet steel is installed, this technology installation is simple, high efficiency, the defective rate low grade.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a miniature flat motor according to the present invention;

FIG. 2 is a schematic view of the structure of the upper housing of FIG. 1;

fig. 3 shows a schematic structural view of the lower housing of fig. 1.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless stated to the contrary, directional terms such as "upper, lower, top, bottom" are used with respect to the orientation shown in the drawings, or with respect to itself in the vertical, perpendicular, or gravitational direction; likewise, for ease of understanding and description, "inner and outer" are inner and outer relative to the profile of the components themselves, but the above directional terms are not intended to limit the invention.

As shown in fig. 1-3, a miniature flat motor includes an upper casing 1 and a lower casing 2, the upper casing 1 is connected with the lower casing 2 in a clamping manner, a vibration component 3 is arranged in a containing cavity formed by the upper casing 1 and the lower casing 2, an upper magnetic steel 4 is arranged in the upper casing 1, a lower magnetic steel 5 is arranged in the lower casing 2, magnetic poles of the upper magnetic steel 4 and the lower magnetic steel 5 correspond to each other, a positioning hole 6 is arranged on a top wall on the upper casing 1, and a guard plate 7 extending to the outside is arranged in the circumferential direction of the lower casing 2.

In this embodiment, the upper magnetic steel 4 is bonded to the upper casing 1, and the lower magnetic steel 5 is bonded to the lower casing 2.

In this embodiment, a plurality of bosses 8 are arranged in the circumferential direction of the lower housing 2, a plurality of slots 9 are arranged in the circumferential direction of the upper housing 1, and the bosses 8 are clamped in the slots 9.

In this embodiment, two positioning holes 6 are symmetrically arranged on the top wall of the upper housing 1.

In the present embodiment, the line of the positioning hole 6 is perpendicular to the guard plate 7.

In the present embodiment, the protector plate 7 is located in the middle of the two positioning holes 6.

By applying the technical scheme of the embodiment in the market, the positioning holes are formed in the upper machine shell, the positioning pins corresponding to the sizes of the positioning holes in the upper machine shell are installed on the die, the magnetic poles of the magnetic steel in the upper machine shell correspond to the magnetic poles in the lower machine shell, then the upper machine shell with the magnetic steel installed is directly installed and combined with the lower machine shell assembly through the positioning pins on the die, the positioning holes and the protective plate play a role in positioning identification when the magnetic steel is installed, and the process is simple in installation, high in efficiency, low in reject ratio and the like.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a flat motor, includes upper housing and lower casing, upper housing and lower casing joint, the upper housing with the intracavity that holds that the lower casing formed is provided with the vibration subassembly, a serial communication port, the inside of upper housing is provided with the magnet steel, the inside of lower casing is provided with down the magnet steel, go up the magnet steel with the magnetic pole of magnet steel corresponds each other down, be provided with the locating hole on the roof on the upper housing, the circumference of lower casing is equipped with the backplate that stretches to the outside.

2. The flat motor according to claim 1, wherein the upper magnetic steel is bonded to the upper casing, and the lower magnetic steel is bonded to the lower casing.

3. The flat motor as claimed in claim 1, wherein a plurality of bosses are formed on a circumference of the lower housing, a plurality of engaging grooves are formed on a circumference of the upper housing, and the bosses are engaged with the engaging grooves.

4. The flat motor as claimed in claim 1, wherein the positioning holes are symmetrically provided in two on the top wall of the upper casing.

5. The flat motor as claimed in claim 4, wherein a line of the positioning hole is perpendicular to the guard plate.

6. The flat motor as claimed in claim 5, wherein said guard plate is located intermediate two of said locating holes.

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