CN217063441U

CN217063441U - Motor cover with stable power transmission structure and motor

Info

Publication number: CN217063441U
Application number: CN202123262506.4U
Authority: CN
Inventors: 王智磊
Original assignee: Zhide Motor Suzhou Co ltd
Current assignee: Zhide Motor Suzhou Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-07-26
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a motor lid with stabilize transmission of electricity structure includes, motor lid casing middle part is provided with the motor shaft mounting hole, the other power supply seat that is provided with of motor shaft mounting hole, run through the terminal mounting hole that is provided with two symmetries in the power supply seat, the terminal mounting hole is interior to be equipped with respectively and to be used for the switch-on just, two copper terminals that the shape is the same of negative pole power, motor lid casing internal surface uses the axis of motor shaft mounting hole to be provided with two carbon-brush boxes as the symmetry axis symmetry, in the carbon-brush box to pivot mount pad direction telescopically is provided with the carbon brush, the copper terminal passes through connection of electric lines with the carbon brush. This scheme assembly structure is simple, and the cost is lower, and the copper terminal is fixed through first step and second step butt, for the connected mode of interference fit's tight fit, can not lead to resistance increase and influence the problem of current transmission stability because of the assembly tension.

Description

Motor cover with stable power transmission structure and motor

Technical Field

The utility model belongs to the technical field of the field and specifically relates to a motor lid and motor with stabilize transmission of electricity structure.

Background

The motor is connected with an external power supply through the conductive terminals to switch on the power supply, the traditional conductive terminals are common metal conductive sheets which are spliced on the socket, but in the rotating process of the motor, the metal conductive sheets of the common splicing structure are easy to loosen, or the stability of current transmission is influenced because the conductive terminals, the wires and the carbon brushes are not stably connected, so that the using effect of the motor is influenced.

The existing solution is mainly to fix the conductive terminal by means of integral injection molding of the metal conductive sheet and the motor cover or interference fit with the motor cover socket, but the integral injection molding needs to consume higher cost, and increases the process difficulty and procedures; the interference fit mode of the conductive terminal and the motor cover easily generates gaps in the subsequent use process, and meanwhile, the interference fit mode easily increases resistance to influence the conductive effect.

SUMMERY OF THE UTILITY MODEL

The novel purpose is exactly in order to solve the above-mentioned problem that exists among the prior art, provides a motor cover and motor with stable transmission of electricity structure.

The purpose of the utility model is realized through the following technical scheme:

the motor cover with the stable power transmission structure comprises a motor cover shell, wherein a motor shaft mounting hole is formed in the middle of the motor cover shell, a power base is arranged beside the motor shaft mounting hole, two symmetrical terminal mounting holes penetrate through the power base, two copper terminals which are identical in shape and are respectively used for connecting a positive power supply and a negative power supply are inserted into the terminal mounting holes, each copper terminal comprises a bottom plate, a buckle is arranged on each bottom plate, a first buckling part and a second buckling part are arranged on two sides of each bottom plate in a curling manner, one end of each bottom plate is further provided with a bending surface in a bending extending manner, the bending surfaces extend from the terminal mounting holes to the inner surface of the motor cover shell and are attached to the inner surface of the motor cover shell, the bending directions of the two copper terminals are opposite, and the inner surface of the motor cover shell is symmetrically provided with two carbon brush boxes by taking the axis of the motor shaft mounting hole as a symmetry axis, and carbon brushes are arranged in the carbon brush box in a telescopic manner towards the direction of the rotating shaft mounting seat, and the copper terminals are connected with the carbon brushes through electric wires.

Preferably, a partition plate is arranged between the terminal mounting holes, a first step is arranged on the middle section of the inner wall of each terminal mounting hole in a protruding mode, and a second step is arranged on the partition plate, close to one end of the inner surface of the motor cover shell, towards the inner surface of each terminal mounting hole in a protruding mode.

Preferably, the buckle abuts against the surface of the first step, the bottom ends of the first and second bent portions abut against the surface of the second step, and the folding angle between the bottom plate and the bending surface is attached to the end of the second step.

Preferably, the bending surfaces of the two copper terminals are respectively provided with a threading hole for fixing an electric wire, and the electric wire penetrates through the threading hole and is respectively connected with one adjacent carbon brush.

Preferably, one end of the carbon brush close to the rotating shaft mounting seat is set to be in an arc shape matched with the circumference of the motor shaft mounting hole.

Preferably, a wire connecting hole is formed in a side surface of the carbon brush box, and the wire passes through the wire connecting hole and is connected with the carbon brush.

Preferably, a wire holder for fixing a wire is further provided between the terminal mounting hole and the carbon brush case.

An electric machine comprising a motor cover as described above with a stable power transmission configuration.

The utility model discloses technical scheme's beneficial effect mainly embodies:

1. in the scheme, the copper terminals are inserted into the terminal mounting holes symmetrically formed in the power supply base, the conductivity of the copper terminals is high, and the copper terminals are provided with the buckles, the first curling parts, the second curling parts and the bending structures which are matched with the first steps and the second steps in the terminal mounting holes, so that the assembly stability of the copper terminals and the motor cover shell is improved;

2. in this scheme, assembly stability is high between copper terminal and the motor lid, and simultaneously, assembly structure is simple, and the cost is lower, and the copper terminal is fixed through first step and second step butt, and for the connected mode of interference fit's close-fitting, can not lead to resistance increase and influence the problem of current transmission stability because of the assembly tension.

Drawings

FIG. 1: is a three-dimensional view of a motor cover with a stable power transmission structure in the utility model;

FIG. 2 is a schematic diagram: the utility model provides a bottom view of a motor cover with a stable power transmission structure;

FIG. 3: is a three-dimensional view of the copper terminal in the utility model;

FIG. 4 is a schematic view of: is a top view of the copper terminal in the utility model;

FIG. 5: is the longitudinal section of the power socket part of the utility model (at this time, the copper terminal is inserted into the motor shaft mounting hole).

Detailed Description

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.

In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", 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 simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

The utility model discloses a motor cover and motor with stabilize transmission of electricity structure expounds with following combination figure:

as shown in fig. 1, the motor cover with the stable power transmission structure includes a motor cover housing 1, a motor shaft mounting hole 2 is provided in the middle of the motor cover housing 1, a power base 3 is provided beside the motor shaft mounting hole 2, two symmetrical terminal mounting holes 4 are provided in the power base 3 in a penetrating manner, two copper terminals 5 having the same shape and respectively used for connecting a positive power supply and a negative power supply are inserted into the terminal mounting holes 4, two carbon brush boxes 6 are provided on the inner surface of the motor cover housing 1 in a symmetrical manner by using the axis of the motor shaft mounting hole 2 as a symmetry axis, a carbon brush 7 is telescopically provided in the carbon brush box 6 in the direction of the rotation shaft mounting base, and the copper terminals 5 are connected with the carbon brush 7 through wires 8.

Specifically, as shown in fig. 1 and 2, the copper terminal 5 includes a bottom plate 51, a buckle 52 is arranged on the bottom plate 51, the buckle 52 is from the upwarping of the surface of the bottom plate 51, the two sides of the bottom plate 51 are curled to form a first curling portion 53 and a second curling portion 54, the surfaces of the first curling portion 53 and the second curling portion 54 are the front surface of the bottom plate 51, the surface where the buckle 52 is upwarped is the back surface of the bottom plate 51, one end of the bottom plate 51 is further bent to form a bending surface 55, the bending surface 55 is further bent to form a bending surface 55, the terminal mounting holes 4 are extended to the inner surface of the motor cover housing 1 and are attached to the inner surface of the motor cover housing 1, the bending surfaces 55 of the two copper terminals 5 are opposite in bending direction, a partition plate 41 is arranged between the terminal mounting holes 4, a first step 42 is arranged in the middle section of the inner wall of the terminal mounting holes 4, the partition plate 41 is close to the inner surface of the motor cover housing toward the terminal mounting holes 4 A second step 43 is provided, the bottom end of the tilted portion of the buckle 52 abuts against the top end surface of the first step 42, the bottom ends of the first and second curled

portions

53 and 54 abut against the top end surface of the second step 43 (in this embodiment, one end of the outer surface close to the motor cover housing 1 is the top end, and one end of the inner surface close to the motor cover housing 1 is the bottom end), the folding angle between the bottom plate 51 and the folding surface 55 is attached to the end position of the second step 43 protruding into the terminal mounting hole 4, and the folding surface 55 extends from the bottom surface of the second step 43 to the inner surface of the motor cover housing 1.

Specifically, as shown in fig. 4, the bending surfaces 55 of the two copper terminals 5 are respectively provided with a threading hole 56 for fixing an electric wire 8, the electric wire 8 passes through the threading hole 56 and is respectively connected with an adjacent carbon brush 7, the side surface of the carbon brush box 6 is provided with an electric wire 8 connecting hole, the carbon brush 7 is telescopically arranged in the carbon brush box 6, the carbon brush 7 is attached to the inner wall of the carbon brush box 6, one end of the carbon brush 7 close to the rotating shaft mounting seat is provided with an arc shape matched with the circumference of the motor shaft mounting hole 2, the electric wire 8 passes through the electric wire 8 connecting hole and is connected with the carbon brush 7, specifically, the two ends of the electric wire 8 are respectively connected with the threading hole 56 arranged on the bending surface 55 of the copper terminal 5 and the electric wire 8 connecting hole arranged on the side surface of the carbon brush box 6, when external positive and negative power supplies are respectively connected with the two copper terminals 5, the current is transmitted to the carbon brush 7 through the copper terminal 5 and the electric wire 8, and the carbon brush 7 transmits the current to the motor commutator, so that the motor rotates.

Further, terminal mounting hole 4 with still be provided with the electric wire support 9 that is used for fixed electric wire 8 between the

carbon brush box

6, 8 cards of electric wire are established draw-in groove department that 9 tops of electric wire support set up, the arrangement of being convenient for electric wire 8 prevents in the motor use, and 8 overlengths of electric wire or fixed unstability lead to contact failure, influence current transmission's stability.

An electric machine comprising a machine cover as described above with a stable power transmission structure.

The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.

Claims

1. Motor lid with stabilize transmission of electricity structure, its characterized in that: the motor cover comprises a motor cover shell, wherein a motor shaft mounting hole is formed in the middle of the motor cover shell, a power supply seat is arranged beside the motor shaft mounting hole, two symmetrical terminal mounting holes are formed in the power supply seat in a penetrating mode, two copper terminals which are used for being connected with a positive power supply and a negative power supply and have the same shape are inserted into the terminal mounting holes, each copper terminal comprises a bottom plate, a buckle is arranged on each bottom plate, a first bending portion and a second bending portion are arranged on two sides of each bottom plate in a curling mode, one end of each bottom plate is further provided with a bending surface in a bending and extending mode, each bending surface extends to the inner surface of the motor cover shell from the corresponding terminal mounting hole and is attached to the inner surface of the motor cover shell, the bending directions of the two copper terminals are opposite, and two carbon brush boxes are symmetrically arranged on the inner surface of the motor cover shell by taking the axis of the motor shaft mounting hole as a symmetry axis, and carbon brushes are arranged in the carbon brush box in a telescopic manner towards the direction of the rotating shaft mounting seat, and the copper terminals are connected with the carbon brushes through electric wires.

2. The motor cover with a stabilized power transmission structure according to claim 1, characterized in that: a partition plate is arranged between the terminal mounting holes, a first step is arranged on the middle section of the inner wall of each terminal mounting hole in a protruding mode, and a second step is arranged on the partition plate and close to one end, close to the inner surface of the motor cover shell, of the terminal mounting hole in a protruding mode.

3. The motor cover with a stabilized power transmission structure according to claim 2, characterized in that: the buckle is abutted against the surface of the first step, the bottom ends of the first and second curled parts are abutted against the surface of the second step, and the folding angle of the bottom plate and the bending surface is attached to the end part of the second step.

4. The motor cover with a stable power transmission structure according to claim 3, wherein: and the bending surfaces of the two copper terminals are respectively provided with a threading hole for fixing an electric wire, and the electric wire passes through the threading hole and is respectively connected with an adjacent carbon brush.

5. The motor cover with a stable power transmission structure according to claim 1, wherein: and one end of the carbon brush close to the rotating shaft mounting seat is set to be in an arc shape matched with the circumference of the motor shaft mounting hole.

6. The motor cover with a stabilized power transmission structure according to claim 1, characterized in that: and the side surface of the carbon brush box is provided with an electric wire connecting hole, and the electric wire penetrates through the electric wire connecting hole to be connected with the carbon brush.

7. The motor cover with a stable power transmission structure according to claim 6, wherein: and an electric wire support used for fixing an electric wire is also arranged between the terminal mounting hole and the carbon brush box.

8. The motor, its characterized in that: a motor cover having a stable power transmission structure including the motor cover according to any one of claims 1 to 7.