CN217935382U - Motor grounding structure and motor - Google Patents

Abstract

The utility model relates to a technical field of ground structure discloses a motor ground structure and motor, and motor ground structure includes: the grounding terminal is provided with a connecting part and a fixing part, the connecting part is used for being electrically connected with a grounding wire of a motor power supply, and the fixing part is used for being fixed on the inner surface of a conductive shell of the motor; the fixing part is used for fixing the fixing part on the inner surface of the motor conductive shell; the elastic medium is arranged between the fixing part and the fixing part; the link of ground terminal is connected to motor power's earth connection, and ground terminal's stiff end is fixed at the electrically conductive inner shell internal surface of motor again, has realized motor ground connection, through set up the elastic medium between mounting and binding post's fixed part, like this, even motor rotation work, because the existence of elastic medium, binding post has elastic buffer, and binding post is difficult not hard up the damage, and ground structure stability is high, long service life.

Description

Motor grounding structure and motor

Technical Field

The utility model relates to a technical field of ground structure specifically is a motor ground structure and motor.

Background

The grounding is an electric safety measure adopted for ensuring the normal work and personal safety of electric equipment, is realized by connecting a metal wire with a grounding device, and is commonly used for protecting grounding, working grounding, lightning protection grounding, shielding grounding, static electricity prevention grounding and the like. The grounding device introduces leakage current, static charge, lightning current and the like which are possibly generated on electric equipment and other production equipment into the ground, thereby avoiding human body electric shock and accidents such as fire, explosion and the like which possibly occur.

In the field of motor grounding, the space in the motor shell is very limited, the grounding structure of the motor is very troublesome to install, and the grounding structure of the motor is easy to loosen and damage due to the rotation work of the motor, so that the normal work of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor ground structure and motor just in order to solve above-mentioned problem, can be in the motor work engineering, ground structure is difficult not hard up damage yet.

The utility model discloses an above-mentioned purpose is realized to following technical scheme, and the first aspect, this application provides a motor ground structure, include:

the grounding terminal is provided with a connecting part and a fixing part, the connecting part is used for being electrically connected with a grounding wire of a motor power supply, and the fixing part is used for being fixed on the inner surface of a conductive shell of the motor;

the fixing part is used for fixing the fixing part on the inner surface of the motor conductive shell;

an elastic medium disposed between the fixing portion and the fixing member.

Further, the fixing piece is a screw, and the screw is in threaded connection with the inner surface of the motor conductive shell.

Furthermore, the elastic medium is an elastic washer, a first through hole is formed by the elastic washer in a surrounding mode, and the fixing piece penetrates through the first through hole.

Furthermore, the fixing part is a hollow ring sheet with a second through hole, and the fixing part penetrates through the second through hole of the ring sheet and is fixedly connected with the inner surface of the conductive shell of the motor, so that the fixing part is fixedly connected with the inner surface of the conductive shell of the motor.

In a second aspect, the present application further provides an electric machine comprising:

a conductive housing;

the grounding terminal is provided with a connecting part and a fixing part, the connecting part is used for being electrically connected with a grounding wire of a motor power supply, and the fixing part is used for being fixed on the inner surface of the conductive shell of the motor;

a fixing part for fixing the fixing part to an inner surface of the conductive housing of the motor;

an elastic medium disposed between the fixing portion and the fixing member.

Further, the conductive shell is an aluminum shell.

Further, the inner surface of the conductive shell is provided with a fixing groove which is correspondingly matched with the fixing piece.

The beneficial effects of the utility model are that: through the ground structure that the aforesaid provided, the link of ground terminal is connected through the earth connection of motor power, the stiff end of ground terminal is fixed again at the internal surface of the electrically conductive inner shell of motor, the ground connection of motor has been realized, the ground structure is installed alone on the electrically conductive shell internal surface of motor, can not interfere the motor internals, simultaneously through setting up the elastic medium between mounting and binding post's fixed part, thus, even motor rotation work, because the existence of elastic medium, binding post has certain elastic buffer, binding post is difficult not hard up the damage, ground structure stability is high, long service life.

Drawings

Fig. 1 is a schematic structural diagram of a motor according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

fig. 3 is an exploded schematic view of a grounding structure according to an embodiment of the present invention.

In the figure:

1. a ground structure;

11. a ground terminal 111, a connection portion 112, a fixing portion;

12. a fixing member;

13. an elastic medium;

2. conductive shell, 21, fixed slot 21.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 for simplicity of description, and 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 thus, 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 to implicitly indicate 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, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

Referring to fig. 1, a preferred embodiment of the present invention is provided.

In a first aspect, the present application provides a grounding structure 1 for an electric machine, comprising:

the grounding terminal 11, the grounding terminal 11 has the connecting portion 111 and the fixed portion, the connecting portion 111 is used for electrically connecting with the grounding wire of the power supply of the electric machine, the fixed portion is used for fixing on the inner surface of the conductive shell 2 of the electric machine;

a fixing part 12, wherein the fixing part 12 is used for fixing the fixing part on the inner surface of the conductive shell 2 of the motor;

and an elastic medium 13, wherein the elastic medium 13 is arranged between the fixing part and the fixing part 12.

Through the grounding structure 1 that the aforesaid provided, the link of grounding terminal 11 is connected through the earth connection of motor power, the stiff end of grounding terminal 11 is fixed at the internal surface of the electrically conductive inner shell of motor again, the ground connection of motor has been realized, grounding structure 1 installs on the electrically conductive 2 internal surfaces of shell of motor alone, can not interfere the motor internals, simultaneously through setting up elastic medium 13 between mounting 12 and binding post's fixed part, therefore, even motor rotation work, because elastic medium 13's existence, binding post has certain elastic buffer, binding post is difficult not hard up the damage, grounding structure 1 stability is high, long service life.

Further, the fixing part 12 is a screw, the screw is in threaded connection with the inner surface of the motor conductive shell 2, and the connection effect of the threaded connection with the inner surface of the motor conductive shell 2 through the screw is good.

Further, the elastic medium 13 is an elastic washer, the elastic washer is surrounded to form a first through hole, and the fixing member 12 passes through the first through hole.

Further, the fixing part is a hollow ring plate forming a second through hole, and the fixing part 12 penetrates through the second through hole of the ring plate and is fixedly connected with the inner surface of the conductive shell 2 of the motor, so that the fixing part is fixedly connected with the inner surface of the conductive shell 2 of the motor.

In a second aspect, the present application further provides an electric machine comprising:

a conductive housing 2;

the grounding terminal 11, the grounding terminal 11 has the connecting portion 111 and the fixed portion, the connecting portion 111 is used for connecting with the grounding wire of the power supply of the electrical machine electrically, the fixed portion is used for fixing on the inner surface of the conductive outer casing 2 of the electrical machine;

a fixing member 12, the fixing member 12 being used to fix the fixing portion to an inner surface of the conductive housing 2 of the motor;

and an elastic medium 13, wherein the elastic medium 13 is arranged between the fixing part and the fixing part 12.

Further, the conductive housing 2 is an aluminum housing.

Further, the inner surface of the conductive housing 2 is provided with fixing grooves 21 for corresponding fitting with the fixing pieces 12.

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 are not necessarily intended to 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. An electric machine grounding structure, comprising:

the grounding terminal is provided with a connecting part and a fixing part, the connecting part is used for being electrically connected with a grounding wire of a motor power supply, and the fixing part is used for being fixed on the inner surface of a conductive shell of the motor;

the fixing part is used for fixing the fixing part on the inner surface of the conductive shell of the motor;

an elastic medium disposed between the fixing portion and the fixing member.

2. The motor grounding structure as claimed in claim 1, wherein the fixing member is a screw, and the screw is threadedly coupled to an inner surface of the conductive housing of the motor.

3. The grounding structure of an electric motor as claimed in claim 1, wherein the elastic medium is an elastic washer, the elastic washer is surrounded by a first through hole, and the fixing member passes through the first through hole.

4. The grounding structure of an electric motor as claimed in claim 1, wherein the fixing portion is a hollow ring plate with a second through hole, and the fixing member passes through the second through hole of the ring plate and is fixedly connected with the inner surface of the conductive shell of the electric motor, so as to fixedly connect the fixing portion with the inner surface of the conductive shell of the electric motor.

5. An electric machine, comprising:

a conductive housing;

the grounding terminal is provided with a connecting part and a fixing part, the connecting part is used for being electrically connected with a grounding wire of a motor power supply, and the fixing part is used for being fixed on the inner surface of the conductive shell of the motor;

a fixing part for fixing the fixing part to an inner surface of the conductive housing of the motor;

an elastic medium disposed between the fixing portion and the fixing member.

6. An electrical machine according to claim 5, wherein the electrically conductive housing is an aluminium housing.

Images