CN214351530U

CN214351530U - Angle grinder

Info

Publication number: CN214351530U
Application number: CN202120522957.8U
Authority: CN
Inventors: 崔小军
Original assignee: Jiangsu Flint Electromechanical Technology Co ltd
Current assignee: Jiangsu Flint Electromechanical Technology Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-08
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses an angle grinder, which comprises a tail shell, a middle shell and a head shell, wherein a motor is arranged in the tail shell, an output shaft of the motor is provided with a radiating blade and a first bevel gear, a supporting seat is arranged inside the middle shell, an output shaft of the motor penetrates through the supporting seat in a rotating manner, a cylindrical shell-shaped mounting seat is mounted inside the head shell, a rotating shaft is rotatably arranged in the mounting seat, a second bevel gear and a grinding wheel are arranged on the rotating shaft, the outer part of the mounting seat is clamped with a protective cover through a hoop, the side edge of the mounting seat is provided with a guide groove and an annular limiting groove, the guide way and the spacing groove intercommunication, be fixed with first stopper on the inner wall of protection casing, be fixed with the second stopper on the inner wall of clamp, first stopper and second stopper all slide in the guide way through the spacing groove. The utility model discloses can effectually protect the user, and operate safe and reliable, in the surplus good heat dissipation environment in motor kitchen.

Description

Angle grinder

Technical Field

The utility model relates to a technical field that polishes especially relates to an angle grinder.

Background

Angle grinders (grinders), also known as grinders or disc grinders, are abrasive tools used for cutting and grinding glass fiber reinforced plastics. The angle grinder is a portable electric tool for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal and stone materials.

Present angle mill in the use we discover, the piece that polishes the production causes the injury to the operator easily, has the polisher that has the protection casing at present, but its protection casing is not convenient for adjust, still causes partial piece to dash to the operator easily when different positions are polished like this, and is not comprehensive enough to operator's protection, and simultaneously, the motor generates heat easily at the during operation, if the untimely heat of discharging then causes the motor to damage easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an angle grinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an angle grinder, includes tail shell, mesochite and first shell, the internally mounted of tail shell has the motor, install cooling fin and first bevel gear on the output shaft of motor, the internally mounted of mesochite has the supporting seat, the output shaft of motor rotates and runs through the supporting seat, the internally mounted of first shell has the mount pad of cylinder shell form, the pivot is installed in the internal rotation of mount pad, install second bevel gear and emery wheel in the pivot, there is the protection casing outside of mount pad through the clamp joint, guide way and annular spacing groove have been seted up to the side of mount pad, guide way and spacing groove intercommunication, be fixed with first stopper on the inner wall of protection casing, be fixed with the second stopper on the inner wall of clamp, first stopper and second stopper all slide into the guide way through the spacing groove.

Preferably, a second heat dissipation grid is arranged on the side edge of the head shell, a wind collection cover is arranged inside the head shell, and heat dissipation blades are arranged on an output shaft of the motor and located in the wind collection cover.

Preferably, a first heat dissipation grid is arranged on the side edge of the tail shell, a power line is arranged on the side edge of the tail shell, and the power line is electrically connected with the motor.

Preferably, the first bevel gear and the second bevel gear are in meshing transmission, and the protective cover is of a semi-cylindrical shell-shaped structure.

Preferably, the side of tail shell is provided with anti-skidding line, the motor is servo motor, tail shell, mesochite and head shell are fixed connection in proper order.

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

1. when the utility model is used, the motor drives the first bevel gear and the radiating blade to rotate, the rotating shaft can be driven to rotate through the meshing transmission between the first bevel gear and the second bevel gear, the rotating shaft drives the grinding wheel to rotate to realize the grinding operation, the outer part of the mounting seat is clamped with the protective cover through the hoop, the side edge of the mounting seat is provided with the guide groove and the annular limiting groove, the guide groove is communicated with the limiting groove, the inner wall of the protective cover is fixed with the first limiting block, the inner wall of the hoop is fixed with the second limiting block, the first limiting block and the second limiting block both slide into the guide groove through the limiting groove, thereby facilitating the installation and the disassembly of the protective cover, the protective cover can block the scraps generated by grinding to avoid causing injury to an operator, simultaneously, the orientation of the protective cover can be adjusted through the sliding of the first limiting block in the limiting groove, thereby being adjusted according to different grinding positions, thereby better protecting the operator and being very convenient and safe.

2. The utility model discloses in, pivoted radiator vane can come out and discharge from second radiator grille with the heat suction that the motor produced, and simultaneously, the exhaust hot-blast can sweep the piece that grinds the production, avoid the piece backward flow to cause the injury to the operator, good protection effect has, and simultaneously, the part heat of motor also can directly dispel the heat through first radiator grille, it is very good to the protection of motor, power cord accessible plug inserts the power outward and uses with the power supply machine, but through turning to of button switching and switching motor.

Drawings

Fig. 1 is a first axis measuring view of an angle grinder provided by the present invention;

fig. 2 is a second axis measuring view of an angle grinder provided by the present invention;

FIG. 3 is a side view of an angle grinder according to the present invention;

FIG. 4 is a schematic view of the internal structure of the head shell of the angle grinder of the present invention;

FIG. 5 is a schematic structural view of a protective cover of an angle grinder according to the present invention;

FIG. 6 is a schematic structural view of a hoop of an angle grinder according to the present invention;

fig. 7 is a schematic structural diagram of a mounting seat of an angle grinder according to the present invention.

In the figure: the cooling structure comprises a tail shell 1, a middle shell 2, a head shell 3, a protective cover 4, a first limiting block 41, a clamp 5, a second limiting block 51, a mounting seat 6, a limiting groove 61, a guide groove 62, a grinding wheel 7, a power line 8, a second cooling grid 9, a fan cover 10, a first cooling grid 11, a button 12, a motor 13, a supporting seat 14, cooling blades 15, a first bevel gear 16, a second bevel gear 17 and a rotating shaft 18.

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.

Referring to fig. 1-7, an angle grinder includes a tail housing 1, mesochite 2 and first shell 3, the internally mounted of tail shell 1 has motor 13, install cooling fin 15 and first bevel gear 16 on the output shaft of motor 13, the internally mounted of mesochite 2 has supporting seat 14, the output shaft of motor 13 rotates and runs through supporting seat 14, the internally mounted of first shell 3 has the mounting seat 6 of cylinder shell form, the pivot 18 is installed in the internal rotation of mounting seat 6, install second bevel gear 17 and emery wheel 7 in the pivot 18, the outside of mounting seat 6 has protection casing 4 through 5 joints of clamp, guide way 62 and annular spacing groove 61 have been seted up to the side of mounting seat 6, guide way 62 and spacing groove 61 communicate, be fixed with first stopper 41 on the inner wall of protection casing 4, be fixed with second stopper 51 on the inner wall of clamp 5, first stopper 41 and second stopper 51 all slide into the guide way 62 through spacing groove 61.

Second radiator grille 9 has been seted up to the side of first shell 3, the internally mounted of first shell 3 has air-collecting cover 10, install cooling blade 15 on the output shaft of motor 13, cooling blade 15 is located air-collecting cover 10, first radiator grille 11 has been seted up to the side of tail shell 1, the side of tail shell 1 is provided with power cord 8, power cord 8 and motor 13 electric connection, first bevel gear 16 and the meshing transmission of second bevel gear 17, protection casing 4 is half-cylinder shell column structure, the side of tail shell 1 is provided with anti-skidding line, motor 13 is servo motor, tail shell 1, mesochite 2 and first shell 3 are fixed connection in proper order.

The working principle is as follows:

when the utility model is used, the motor 13 drives the first bevel gear 16 and the heat dissipating blades 15 to rotate, the rotating shaft 18 can be driven to rotate through the meshing transmission between the first bevel gear 16 and the second bevel gear 17, the rotating shaft 18 drives the grinding wheel 7 to rotate to realize the grinding operation, the outer part of the mounting seat 3 is connected with the protective cover 4 through the clamp 5 in a clamping way, the side edge of the mounting seat 3 is provided with the guide groove 32 and the annular limiting groove 31, the guide groove 32 is communicated with the limiting groove 31, the inner wall of the protective cover 4 is fixed with the first limiting block 41, the inner wall of the clamp 5 is fixed with the second limiting block 51, the first limiting block 41 and the second limiting block 51 both slide into the guide groove 32 through the limiting groove 31, thereby facilitating the installation and the disassembly of the protective cover 4, the protective cover 4 can block the fragments generated by grinding, avoiding the injury to the operator, and simultaneously, the sliding of the first limiting block 41 in the limiting groove 31 can be realized, the orientation of the protective cover 4 can be adjusted, so that the protective cover can be adjusted according to different polishing positions, operators can be protected better, and the protective cover is very convenient and safe.

The utility model discloses in, pivoted radiating vane 15 can come out and discharge from second cooling grid 9 with the heat suction that motor 13 produced, and simultaneously, the piece that the exhaust hot-blast produced can be swept to the mill, avoid the piece backward flow to cause the injury to the operator, good protection effect has, and simultaneously, motor 13's partial heat also can directly dispel the heat through first cooling grid 11, it is very good to motor 13's protection, 8 accessible plugs of power cord insert the power outward and use with power supply machine 13, but through button 12 switching and switching motor 13 turn to.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An angle grinder comprises a tail shell (1), a middle shell (2) and a head shell (3), and is characterized in that a motor (13) is installed inside the tail shell (1), a radiating blade (15) and a first bevel gear (16) are installed on an output shaft of the motor (13), a supporting seat (14) is installed inside the middle shell (2), the output shaft of the motor (13) rotates to penetrate through the supporting seat (14), a cylindrical shell-shaped mounting seat (6) is installed inside the head shell (3), a rotating shaft (18) is installed inside the mounting seat (6) in a rotating manner, a second bevel gear (17) and a grinding wheel (7) are installed on the rotating shaft (18), a protective cover (4) is clamped outside the mounting seat (6) through a clamping hoop (5), a guide groove (62) and an annular limiting groove (61) are formed in the side edge of the mounting seat (6), guide way (62) and spacing groove (61) intercommunication, be fixed with first stopper (41) on the inner wall of protection casing (4), be fixed with second stopper (51) on the inner wall of clamp (5), first stopper (41) and second stopper (51) all slide in guide way (62) through spacing groove (61).

2. The angle grinder of claim 1, wherein a second heat dissipation grid (9) is formed at a side edge of the head shell (3), a wind collection cover (10) is installed inside the head shell (3), heat dissipation blades (15) are installed on an output shaft of the motor (13), and the heat dissipation blades (15) are located in the wind collection cover (10).

3. The angle grinder as claimed in claim 1, wherein a first heat dissipation grid (11) is formed on the side of the tail shell (1), a power line (8) is arranged on the side of the tail shell (1), and the power line (8) is electrically connected with a motor (13).

4. An angle grinder as claimed in claim 1, characterized in that said first bevel gear (16) and said second bevel gear (17) are in meshing transmission, said shield (4) being of semi-cylindrical shell-like configuration.

5. The angle grinder as claimed in claim 1, characterized in that the lateral sides of the tail shell (1) are provided with anti-slip threads, the motor (13) is a servo motor, and the tail shell (1), the middle shell (2) and the head shell (3) are fixedly connected in sequence.