CN218733450U

CN218733450U - High-efficient motor stator of electric tool

Info

Publication number: CN218733450U
Application number: CN202222735984.0U
Authority: CN
Inventors: 谢孟训
Original assignee: Dongguan Aikang Industrial Co ltd
Current assignee: Dongguan Aikang Industrial Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-03-24
Anticipated expiration: 2032-10-15

Abstract

The utility model discloses a high-efficient motor stator of electric tool, which comprises a housin, the fixed heat dissipation copper sheet that is equipped with of inner wall of casing, a plurality of first locating holes have all been seted up at the middle part at casing both ends, the fixed stator main part that is equipped with of inner wall of heat dissipation copper sheet, the motor on the electric tool is applied to the stator main part, the casing both ends all are equipped with a plurality of stop gear, stop gear all includes the engaging lug of fixed connection in casing both ends avris, the engaging lug inner wall all alternates with the outer wall of screw rod and is connected, the one end of screw rod all with one side fixed connection of limiting plate, one side of screw rod outer wall all with the inner wall threaded connection of nut, the utility model discloses when the screw rod is connected with the engaging lug, the screw rod is being connected with first through hole and second through hole respectively, makes winding copper wire be in between limiting plate and the engaging lug, after the limiting plate is hugged closely with the copper wire, the rotation nut is connected with the screw rod back and is hugged closely with the acoustic celotex board, and spacing to the screw rod, avoids the copper wire to drop, guarantees the normal operating of motor.

Description

High-efficient motor stator of electric tool

Technical Field

The utility model relates to a motor field, in particular to high-efficient motor stator of electric tool.

Background

The electric tool is a tool used by taking a motor as a driving force, the motor is a tool which converts electric energy into mechanical energy and can reuse the mechanical energy to generate kinetic energy for driving a device, and a stator is an important part in the motor and mainly used for generating a rotating magnetic field and cutting magnetic lines of force in the rotating magnetic field by a rotor so as to generate current.

To this, chinese patent No. CN206313572U is a high-efficient motor stator for electric tool, when this utility model provides a stator is applied to in the motor, make the efficiency of motor improve greatly, thereby environmental protection and energy saving more, the radiating groove on the iron-clad can effectually dispel the heat to the motor, locating hole and arc positioning groove's setting can be more accurate install the stator simultaneously, and do not possess spacing effect when assembling the stator in the above-mentioned patent, need twine the copper line and form stator winding in the stator, do not possess spacing function to the stator winding that forms, the vibrations that produce when the motor operation make the copper line drop easily, influence the normal operating of motor, vibrations when the motor operation simultaneously also can transmit to the stator on, lead to the stator to produce the noise, influence operational environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient motor stator of electric tool to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient motor stator of electric tool, includes the casing, the fixed heat dissipation copper sheet that is equipped with of inner wall of casing, a plurality of first locating holes have all been seted up at the middle part at casing both ends, the fixed stator main part that is equipped with of inner wall of heat dissipation copper sheet, the motor on the electric tool is applied to the stator main part, the both ends of casing all are equipped with a plurality of stop gear, stop gear all includes the engaging lug of fixed connection in casing both ends avris, the inner wall of engaging lug all alternates with the outer wall of screw rod and is connected, the one end of screw rod all with one side fixed connection of limiting plate, one side of screw rod outer wall all with the inner wall threaded connection of nut.

Preferably, the outer wall of casing and the cotton inner wall interlude of inhaling the sound are connected, inhale the cotton outer wall of sound and the inner wall fixed connection of acoustic celotex board.

Preferably, a plurality of first through holes are formed in both sides of the inner wall of the sound insulation board, and a plurality of second through holes are formed in both sides of the inner wall of the sound absorption cotton.

Preferably, the middle part of the outer wall of each screw is connected with the inner wall of the first through hole in an inserting manner, and the other side of the outer wall of each screw is connected with the inner wall of the second through hole in an inserting manner.

Preferably, a plurality of first heat dissipation holes are formed in the two ends of the stator body, and a plurality of second heat dissipation holes are formed in the inner wall of the stator body.

Preferably, the outer wall of acoustic celotex board is fixed and is equipped with a plurality of location ears, every the second locating hole has all been seted up to one side of location ear.

The utility model discloses a technological effect and advantage:

(1) The copper wire is wound between adjacent grooves in the stator main body, the screw rod is connected with the connecting lug, and meanwhile the screw rod is respectively connected with the first through hole and the second through hole, so that the wound copper wire is positioned between the limiting plate and the connecting lug, after the limiting plate and the copper wire are tightly attached, the nut is rotated to be connected with the screw rod and then tightly attached to the sound insulation plate, the screw rod is limited, the copper wire is prevented from falling off due to vibration during the operation of the motor, and the normal operation of the motor is ensured;

(2) Through the heat dissipation copper sheet between casing and the stator main part, with first louvre and the cooperation of second louvre in the stator main part, improved the heat-sinking capability of stator, the vibrations that the motor produced transmit the stator main part in the back, inhale the sound cotton and absorb the noise that vibrations produced, later acoustic celotex board is further isolated the noise, gives sound insulation to the noise that the stator produced and falls the noise, avoids influencing operational environment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the stator body of the present invention;

fig. 3 is a schematic view of the connection structure of the screw rod of the present invention.

In the figure: 1. a housing; 2. a heat dissipation copper sheet; 3. a stator body; 4. connecting lugs; 5. a screw; 6. a limiting plate; 7. a first positioning hole; 8. a nut; 9. sound-absorbing cotton; 10. a sound insulating board; 11. a second through hole; 12. a first heat dissipation hole; 13. a second heat dissipation hole; 14. positioning the ear; 15. and a second positioning hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a practical example, the utility model provides a high-efficiency motor stator of an electric tool as shown in figures 1-3, which comprises a shell 1, a heat-dissipating copper sheet 2 is fixedly arranged on the inner wall of the shell 1, a plurality of first positioning holes 7 are arranged in the middle parts of the two ends of the shell 1, a stator main body 3 is fixedly arranged on the inner wall of the heat-dissipating copper sheet 2, a motor applied to the electric tool by the stator main body 3 is provided, a plurality of limiting mechanisms are arranged on the two ends of the shell 1, each limiting mechanism comprises a connecting lug 4 fixedly connected with the side edges of the two ends of the shell 1, the inner wall of the connecting lug 4 is alternately connected with the outer wall of a screw 5, one end of the screw 5 is fixedly connected with one side of a limiting plate 6, one side of the outer wall of the screw 5 is in threaded connection with the inner wall of a nut 8, casing 1's outer wall and the inner wall alternate connection of inhaling cotton 9, inhale the outer wall of sound cotton 9 and the inner wall fixed connection of acoustic celotex board 10, a plurality of first through-holes have all been seted up to the both sides of acoustic celotex board 10 inner wall, inhale the both sides of sound cotton 9 inner wall and all seted up a plurality of second through-holes 11, the middle part of every screw rod 5 outer wall all alternates with first through-hole's inner wall and is connected, the opposite side of every screw rod 5 outer wall all alternates with the inner wall of second through-hole 11 and is connected, a plurality of first louvres 12 have all been seted up at the both ends of stator main part 3, a plurality of second louvres 13 have all been seted up to the inner wall of stator main part 3, the outer wall of acoustic celotex board 10 is fixed and is equipped with a plurality of location ears 14, second locating hole 15 has all been seted up to one side of every location ear 14.

The utility model discloses the theory of operation: copper wire winding is between the adjacent recess in stator main part 3, when being connected screw rod 5 and engaging lug 4 again, screw rod 5 is being connected with first through hole and second through hole 11 respectively, with inhale sound cotton 9 and acoustic celotex board 10 and be connected, make the winding copper wire be in between limiting plate 6 and engaging lug 4, again with limiting plate 6 with the copper wire hug closely the back, the swivel nut 8 is hugged closely acoustic celotex board 10 after being connected with screw rod 5, carry on spacingly to screw rod 5, vibrations when avoiding the motor operation make the copper wire drop, guarantee the normal operating of motor, heat dissipation copper sheet 2 between casing 1 and stator main part 3, cooperate with first louvre 12 and second louvre 13 on the stator main part 3, the heat-sinking capability of stator has been improved, after the vibrations that the motor produced transmit in the stator main part 3, inhale sound cotton 9 and absorb the noise that the vibrations produced, later acoustic celotex board 10 is isolating the noise further, noise that produces is giving sound insulation and is fallen to the stator, avoid influencing operational environment, location ear 14 can assist acoustic celotex board 10 to install on the motor simultaneously.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-efficiency motor stator of an electric tool comprises a shell (1), wherein a heat dissipation copper sheet (2) is fixedly arranged on the inner wall of the shell (1), a plurality of first positioning holes (7) are formed in the middle of two ends of the shell (1), a stator main body (3) is fixedly arranged on the inner wall of the heat dissipation copper sheet (2),

the stator main body (3) is applied to a motor on an electric tool, a plurality of limiting mechanisms are arranged at two ends of the shell (1),

the method is characterized in that: stop gear all includes engaging lug (4) of fixed connection in casing (1) both ends avris, the inner wall of engaging lug (4) all alternates with the outer wall of screw rod (5) and is connected, the one end of screw rod (5) all with one side fixed connection of limiting plate (6), one side of screw rod (5) outer wall all with the inner wall threaded connection of nut (8).

2. A power tool high efficiency motor stator as claimed in claim 1, wherein: the outer wall of casing (1) and the inner wall interlude of inhaling sound cotton (9) are connected, inhale the inner wall fixed connection of the outer wall of sound cotton (9) and acoustic celotex board (10).

3. A power tool high efficiency motor stator as claimed in claim 2, wherein: a plurality of first through holes are formed in the two sides of the inner wall of the sound insulation board (10), and a plurality of second through holes (11) are formed in the two sides of the inner wall of the sound absorption cotton (9).

4. A power tool high efficiency motor stator as claimed in claim 3, wherein: the middle part of the outer wall of each screw rod (5) is connected with the inner wall of the first through hole in an inserting mode, and the other side of the outer wall of each screw rod (5) is connected with the inner wall of the second through hole (11) in an inserting mode.

5. A high efficiency motor stator for a power tool as claimed in claim 4, wherein: a plurality of first heat dissipation holes (12) are formed in the two ends of the stator body (3), and a plurality of second heat dissipation holes (13) are formed in the inner wall of the stator body (3).

6. A high efficiency motor stator for a power tool as claimed in claim 5, wherein: the outer wall of acoustic celotex board (10) is fixed and is equipped with a plurality of location ears (14), every second locating hole (15) have all been seted up to one side of location ear (14).