CN213602522U - Motor and assembling structure of Hall assembly thereof - Google Patents

Abstract

The utility model provides a motor and hall assembly's assembly structure thereof, assembly structure is: a pressing part is arranged on the inner side of the motor end cover, and a first pressing terminal and a second pressing terminal are oppositely arranged at one end, far away from the motor end cover, of the pressing part; the middle part of the Hall assembly is provided with a mounting hole along the assembly direction, during assembly, one end of the pressing part, which is far away from the motor end cover, penetrates through the mounting hole, and the first pressing terminal and the second pressing terminal are respectively bent towards the mutually far away directions, so that the Hall assembly is limited. The assembling structure adopts an inner inserting mode, the Hall assembly is tightly pressed in the motor end cover through the pressing assembly, the assembling binding force of the Hall assembly and the motor end cover is improved, the assembling reliability is improved, meanwhile, the distance between the Hall chip and the magnetic ring is reduced, the requirement on the magnetic ring is reduced, and therefore the motor cost is reduced.

Description

Motor and assembling structure of Hall assembly thereof

Technical Field

The utility model relates to an assembly structure of motor, specifically speaking relates to an assembly structure of hall element and have this assembly structure's motor.

Background

A HALL element (HALL) is a semiconductor magneto-electronic device that operates using the HALL effect. The magnetic field and its changes can be detected using the hall effect, and thus the hall element can be used in a variety of magnetic field-related applications. The Hall elements have many advantages, and they have firm structure, small volume, light weight, long service life, convenient installation, low power consumption, high frequency (up to 1 MHZ), vibration resistance, and resistance to pollution or corrosion caused by dust, oil stain, water vapor, salt mist and the like.

The Hall assembly in the motor comprises a Hall chip and a corresponding sensor, is used for controlling the rotation of the motor, measuring the rotation speed of a rotor and the like, and is one of common parts of the motor. The existing Hall assembly structure is shown in figure 1, a connector is fixed on a motor end cover in advance, then the Hall assembly is inserted into the connector, the Hall assembly 1 of the structure is arranged on the outer side of a motor end cover 3 and is fastened by interference, the stability is poor, the distance between a Hall chip 7 and a magnetic ring 8 is large (as shown in figure 2, the distance between the Hall chip and the magnetic ring can reach 2.25 mm), the magnetic ring with high residual magnetism needs to be matched with the magnetic ring, and the processing cost of the motor is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a first purpose provides a hall assembly's of motor assembly structure, and this structure adopts interior the inserting and presses fixed mode, has improved the assembly reliability, has reduced the motor cost simultaneously.

A second object of the present invention is to provide a motor, wherein the hall element of the motor is assembled in the motor through the above-mentioned assembling structure.

In order to achieve the above object, in one aspect of the present invention, an assembly structure of a hall assembly of a motor is provided, in which a pressing part is disposed inside a motor end cover, and a first pressing terminal and a second pressing terminal are disposed opposite to one end of the pressing part away from the motor end cover;

the middle part of the Hall assembly is provided with a mounting hole along the assembly direction, during assembly, one end of the pressing part, which is far away from the motor end cover, penetrates through the mounting hole, and the first pressing terminal and the second pressing terminal are respectively bent towards the mutually far away directions, so that the Hall assembly is limited.

Preferably, the first and second pressing terminals are integrally formed with the pressing member.

Preferably, the pressing member has a plate-like structure, and a through hole or a slit having an opening is formed in a middle portion of the plate-like structure.

Preferably, the notch is a U-shaped notch.

The utility model discloses a motor, including motor end cover, stator, rotor and annex, the motor end cover encloses into accommodation space with the stator, rotor and annex all set up in this accommodation space, a serial communication port, the annex includes hall assembly, and this hall assembly adopts as above assembly structure assemble in the motor end cover inboard.

Compared with the prior art, the beneficial effects of the utility model are that:

the assembling structure adopts an assembling mode of interpolation compression, the Hall component is compressed in the motor end cover through the compression assembly, the assembling binding force of the Hall component and the motor end cover is improved, the assembling reliability is improved, meanwhile, the distance between the Hall chip and the magnetic ring is reduced, the requirement on the magnetic ring is reduced, and therefore the motor cost is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic diagram of an exploded structure of a Hall assembly of the prior art;

FIG. 2 is a schematic cross-sectional view of a prior art Hall assembly mounting structure;

fig. 3 is an exploded view of an assembly structure of a hall element according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a motor end cover in an embodiment of the present invention;

fig. 5 is a schematic top view of a hall element assembly structure according to an embodiment of the present invention.

Wherein, 1, Hall assembly; 2. a connector; 3. a motor end cover; 4. a first hold-down terminal; 5. a second compression terminal; 6. a U-shaped opening; 7. a Hall chip; 8. a magnetic ring; 9. and (7) installing holes.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 3 and 4, in the present embodiment, an assembly structure of a hall assembly 1 of a motor is provided, in which a pressing part is provided inside a motor end cover 3, and a first pressing terminal 4 and a second pressing terminal 5 are oppositely provided at one end of the pressing part away from the motor end cover 3;

the middle part of the Hall assembly 1 is provided with a mounting hole 9 along the assembly direction, during assembly, one end of the compressing component, which is far away from the motor end cover 3, penetrates through the mounting hole 9, and the first compressing terminal 4 and the second compressing terminal 5 are respectively bent towards the directions which are far away from each other, so that the Hall assembly 1 is limited. The structure is adopted to assemble the Hall assembly 1, the pull-out force of the Hall assembly 1 is greater than 80N, and the assembly stability and reliability of the product are better.

In a preferred embodiment, the first and second press terminals 4 and 5 are integrally formed with the press member.

In a preferred embodiment, the pressing member has a plate-like structure, and a through hole or a slit having an opening is formed in a middle portion of the plate-like structure.

In a preferred embodiment, the notch is a U-shaped notch 6.

The embodiment also provides a motor, including motor end cover 3, stator, rotor and annex, motor end cover 3 encloses into accommodation space with the stator, rotor and annex all set up in this accommodation space, its characterized in that, the annex includes hall subassembly 1, and this hall subassembly 1 adopts as above assembly structure to assemble in motor end cover 3 inboard.

This assembly structure adopts the assembly mode that the interpolation compresses tightly, compresses tightly hall subassembly 1 in motor end cover 3 through two compressing terminals that compress tightly the part, has improved the assembly cohesion of hall part with motor end cover 3, has improved the assembly reliability, as shown in fig. 5, this assembly structure has also reduced the distance between hall chip 7 and the magnetic ring 8, has reduced the requirement to magnetic ring 8 to the motor cost has been reduced.

Further, it should be noted that:

in the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims (5)

1. The assembling structure of the Hall assembly of the motor is characterized in that a pressing part is arranged on the inner side of a motor end cover (3), and a first pressing terminal (4) and a second pressing terminal (5) are oppositely arranged at one end, far away from the motor end cover (3), of the pressing part;

hall subassembly (1) middle part is formed with a mounting hole (9) along the assembly direction, during the assembly, the one end that compresses tightly the part and keep away from motor end cover (3) runs through this mounting hole (9), first terminal (4) and the second that compress tightly are buckled to the direction of keeping away from each other respectively to it is right Hall subassembly (1) carry on spacingly.

2. The assembling structure of the hall element of an electric motor according to claim 1, wherein said first pressing terminal (4) and said second pressing terminal (5) are integrally formed with the pressing member.

3. The assembling structure of the hall element of an electric motor according to claim 2, wherein said pressing member is a plate-like structure having a through hole or a slit formed at a central portion thereof.

4. The assembling structure of the hall element of an electric motor according to claim 3, wherein said notch is a U-shaped notch (6).

5. A motor comprises a motor end cover (3), a stator, a rotor and accessories, wherein the motor end cover (3) and the stator form an accommodating space in a surrounding mode, and the rotor and the accessories are arranged in the accommodating space, the motor is characterized in that the accessories comprise a Hall assembly (1), and the Hall assembly (1) is assembled on the inner side of the motor end cover (3) by adopting the assembling structure as claimed in any one of claims 1 to 4.

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