CN212572265U

CN212572265U - Angle grinder capable of preventing iron chips from entering motor

Info

Publication number: CN212572265U
Application number: CN202021723530.6U
Authority: CN
Inventors: 徐振生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-02-19
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a prevent angle grinder of iron fillings entering motor, include: the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with an air inlet and an air outlet, an air guide cavity is arranged in the shell, and the air guide cavity is arranged between the air inlet and the air outlet; a motor is arranged in the air guide cavity and close to the air outlet, and the air inlet, the air guide cavity and the air outlet form a heat dissipation channel; the air guide cavity is internally provided with a detachable magnetic block, the magnetic block is arranged between the motor and the air inlet hole, and the shell is provided with a detachable mounting cover. The utility model prevents scrap iron from entering the electric motor angle grinder, and has simple structure and low production cost; the magnetic block is arranged in the shell, so that scrap iron entering the shell can be attracted, the scrap iron is prevented from further entering the motor, and the service life of the motor is prolonged; the mounting cover is disassembled, the magnetic part can be taken out, and scrap iron is convenient to clean.

Description

Angle grinder capable of preventing iron chips from entering motor

Technical Field

The utility model relates to an angle grinder, in particular to angle grinder who prevents iron fillings from getting into motor.

Background

An angle grinder is a portable electric tool for cutting and polishing glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal and stone materials. The electric angle grinder is a machine for grinding, cutting, removing rust, and polishing metal members using a high-speed rotating sheet wheel, a rubber wheel, a wire wheel, or the like. The angle grinder is suitable for cutting, grinding and brushing metal and stone. The angle grinder is generally provided with a vent hole to dissipate heat from the inside and prevent faults caused by overhigh temperature.

When some existing angle grinders cut, grind and brush other magnetic metals such as iron, more scrap iron is easily generated in the processing process; these iron fillings get into inside the casing from the fresh air inlet easily, along with the air current gets into the motor part, iron fillings can influence the normal work of motor this moment, influence the result of use. If the scrap iron is not cleaned in time, the service life of the motor can be greatly shortened. The shell is required to be detached when scrap iron is cleaned, and the shell is troublesome to detach and inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The technical problem to be solved by the utility model is to provide an angle grinder with simple structure, which can prevent scrap iron from entering the motor and is convenient for cleaning the scrap iron; the magnetic block is arranged in the shell, so that scrap iron can be prevented from entering the motor, and the service life of the motor is prolonged.

(II) technical scheme

In order to solve the technical problem, the utility model provides a prevent angle grinder of iron fillings entering motor, include: the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with an air inlet and an air outlet, an air guide cavity is arranged in the shell, and the air guide cavity is arranged between the air inlet and the air outlet; a motor is arranged in the air guide cavity and close to the air outlet, and the air inlet, the air guide cavity and the air outlet form a heat dissipation channel; the detachable magnetic block is arranged in the air guide cavity, and the magnetic block in the technical scheme is a magnet, so that the magnetic force is strong, and the using effect is good; the magnetic block is arranged between the motor and the air inlet hole, the shell is provided with a detachable installation cover, one side of the installation cover is provided with a limiting bulge, and one end of the limiting bulge is abutted against the magnetic block. The utility model discloses prevent that iron fillings from getting into the angle grinder of motor, casing one side is equipped with switch, and switch is convenient for the user to open or close the power, convenient operation; the structure is simple, and the production cost is low; the magnetic block is arranged in the shell, so that scrap iron entering the shell can be attracted, the scrap iron is prevented from further entering the motor, and the service life of the motor is prolonged; the shell is provided with a mounting groove for mounting the magnetic block, and the mounting is stable; the shell is provided with a through groove for mounting the mounting cover, and the magnetic block can be taken out from the through groove when the mounting cover is dismounted, so that scrap iron adsorbed by the magnetic block can be conveniently cleaned; the stator air guide cavity has an air guide effect, so that the motor can conveniently dissipate heat, the heat dissipation effect is good, and the service life of the motor is prolonged; the rotating shaft is provided with the heat dissipation fan blades, so that outside air enters from the air inlet hole and is discharged from the air outlet hole after passing through the air guide cavity, and the heat dissipation effect is good; the battery pack is convenient to disassemble and assemble, the spare battery can be replaced after disassembly for working, and the use is convenient.

Further, the casing is equipped with and is used for the installation the mounting groove of magnetism piece, during the use the magnetism piece falls into carry out the block in the mounting groove, the installation is firm.

Furthermore, the shell is provided with a through groove for mounting the mounting cover, and the through groove is correspondingly arranged on one side of the magnetic block; dismantle the installation lid can follow lead to the groove and take out the magnetism piece is convenient for right the iron fillings that the magnetism piece adsorbs are cleared up, and the clearance is convenient. The casing is equipped with the recess, the recess sets up one side of installation lid, recess convenient to detach the installation lid.

Furthermore, the mounting cover is provided with a limiting block and a raised first buckling part, the shell is provided with a limiting part correspondingly buckled with the limiting block, and the shell is provided with a second buckling part correspondingly buckled with the first buckling part; when in use, the mounting cover is buckled on the shell, so that the mounting is convenient; accessible during the clearance the recess will the installation lid is dismantled, will again the magnetism piece takes out and clears up adsorbed iron fillings, and the dismouting is convenient, and the clearance is convenient, excellent in use effect.

Further, the wind-guiding cavity comprises a mounting cavity for mounting the motor, the motor comprises a stator, a rotor and a rotating shaft, the stator is provided with a stator wind-guiding cavity, and the rotating shaft is provided with a heat-radiating fan blade. The stator air guide cavity has an air guide effect, so that the motor can radiate heat conveniently, the heat radiation effect is good, and the service life of the motor is prolonged. The casing includes first casing and second casing, the fresh air inlet sets up on the first casing, the exhaust vent sets up on the second casing. The rotating shaft is provided with heat dissipation blades, and the rotating shaft drives the heat dissipation blades to rotate, so that outside air enters from the air inlet hole and is discharged from the air outlet hole after passing through the air guide cavity, and the heat dissipation effect is good.

Further, the bottom of the shell is provided with a battery assembly, and the battery assembly comprises a third shell and a battery arranged in the third shell. The third casing is provided with a locking mechanism, the locking mechanism comprises a pushing key, one end of the pushing key is provided with a third protruding buckling part, and the bottom of the casing is provided with a clamping groove correspondingly clamped with the third buckling part. When the battery pack is used, the pushing key is pushed to enable the third buckling part to fall into the clamping groove to be correspondingly buckled, so that the battery pack is fixedly installed at the bottom of the shell; the pushing key is pushed to enable the third buckling part to be separated from the clamping groove during disassembly, the battery assembly is convenient to disassemble and assemble, the spare battery can be replaced after disassembly for working, and the use is convenient.

Furthermore, a power switch is arranged on one side of the shell, and the power switch is convenient for a user to turn on or turn off a power supply and is convenient to operate.

(III) advantageous effects

The utility model prevents scrap iron from entering the electric motor angle grinder, and has simple structure and low production cost; the magnetic block is arranged in the shell, so that scrap iron entering the shell can be attracted, the scrap iron is prevented from further entering the motor, and the service life of the motor is prolonged; the shell is provided with a mounting groove for mounting the magnetic block, and the mounting is stable; the shell is provided with a through groove for mounting the mounting cover, and the magnetic block can be taken out from the through groove when the mounting cover is dismounted, so that scrap iron adsorbed by the magnetic block can be conveniently cleaned; the stator air guide cavity has an air guide effect, so that the motor can conveniently dissipate heat, the heat dissipation effect is good, and the service life of the motor is prolonged; the rotating shaft is provided with the heat dissipation fan blades, so that outside air enters from the air inlet hole and is discharged from the air outlet hole after passing through the air guide cavity, and the heat dissipation effect is good; the battery component is convenient to disassemble and assemble, and the spare battery can be replaced to work after the battery component is disassembled, so that the use is convenient; one side of the shell is provided with a power switch which is convenient for a user to turn on or turn off the power supply, and the operation is convenient.

Drawings

FIG. 1 is a perspective view of an angle grinder of the present invention preventing iron filings from entering the motor;

FIG. 2 is a schematic view of the angle grinder of the present invention preventing iron filings from entering the motor;

FIG. 3 is a schematic structural view of the present invention preventing iron filings from entering the interior of the housing of the angular grinding machine of the motor;

FIG. 4 is a perspective view of the angular grinder housing of the motor of the present invention preventing iron filings from entering the motor;

FIG. 5 is a schematic view of the structure of the present invention preventing iron filings from entering the bottom of the housing of the electric motor angle grinder;

FIG. 6 is a schematic structural view of the angular grinder housing of the motor according to the present invention for preventing iron filings from entering the motor;

FIG. 7 is a perspective view of the angle grinder mounting cup of the present invention preventing iron filings from entering the motor;

FIG. 8 is a schematic view of the structure of the electric motor of the angle grinder of the present invention preventing iron filings from entering the electric motor;

FIG. 9 is a perspective view of the angular finishing machine battery assembly of the present invention preventing iron filings from entering the motor;

figure 10 is a perspective view of the angle grinder push key of the present invention preventing iron filings from entering the motor;

wherein: the structure comprises a shell 1, an air inlet 101, an air outlet 102, an air guide cavity 103, a mounting groove 104, a through groove 105, a limiting part 106, a second buckling part 107, a mounting cavity 108, a clamping groove 109, a motor 2, a stator 201, a rotor 202, a rotating shaft 203, a stator air guide cavity 204, a heat dissipation fan blade 205, a magnetic block 3, a mounting cover 4, a limiting protrusion 401, a limiting block 402, a first buckling part 403, a groove 404, a first shell 5, a second shell 6, a third shell 7, a push key 8, a third buckling part 801 and a power switch 9.

Detailed Description

Referring to fig. 1 to 10, the present invention provides an angle grinder capable of preventing iron chips from entering a motor, including: the air conditioner comprises a shell 1, wherein the shell 1 is provided with an air inlet hole 101 and an air outlet hole 102, an air guide cavity 103 is arranged in the shell 1, and the air guide cavity 103 is arranged between the air inlet hole 101 and the air outlet hole 102; the motor 2 is arranged in the air guide cavity 103 close to the air outlet 102, and the air inlet 101, the air guide cavity 103 and the air outlet 102 form a heat dissipation channel; the detachable magnetic block 3 is arranged in the air guide cavity 103, and the magnetic block 3 is a magnet in the embodiment, so that the magnetic force is strong and the using effect is good; casing 1 is equipped with the mounting groove 104 that is used for installing magnetic block 3, and magnetic block 3 falls into mounting groove 104 and carries out the block during the use, and the installation is firm. Magnetic block 3 is arranged between motor 2 and fresh air inlet 101, and casing 1 is equipped with detachable installation lid 4, and installation lid 4 one side is equipped with spacing arch 401, and spacing arch 401 one end is supported and is leaned on magnetic block 3. The utility model prevents iron filings from entering the electric machine angle grinder, the battery component is convenient to disassemble and assemble, the spare battery can be replaced to work after disassembly, and the use is convenient; a power switch is arranged on one side of the shell, and the power switch is convenient for a user to turn on or turn off the power supply and is convenient to operate; the structure is simple, and the production cost is low; the magnetic block is arranged in the shell, so that scrap iron entering the shell can be attracted, the scrap iron is prevented from further entering the motor, and the service life of the motor is prolonged; the shell is provided with a mounting groove for mounting the magnetic block, and the mounting is stable; the shell is provided with a through groove for mounting the mounting cover, and the magnetic block can be taken out from the through groove when the mounting cover is dismounted, so that scrap iron adsorbed by the magnetic block can be conveniently cleaned; the stator air guide cavity has an air guide effect, so that the motor can conveniently dissipate heat, the heat dissipation effect is good, and the service life of the motor is prolonged; the rotating shaft is provided with the heat dissipation fan blades, so that outside air enters from the air inlet hole and is discharged from the air outlet hole after passing through the air guide cavity, and the heat dissipation effect is good.

Referring to fig. 1, 2, 6 and 7, the housing 1 is provided with a through groove 105 for mounting the mounting cover 4, and the through groove 105 is correspondingly disposed at one side of the magnetic block 3; dismantle installation lid 4 and can follow logical groove 105 and take out magnetic block 3, be convenient for clear up the iron fillings that magnetic block 3 adsorbs, the clearance is convenient. The housing 1 is provided with a groove 404, the groove 404 is provided on one side of the mounting cover 4, and the groove 404 facilitates the detachment of the mounting cover 4. One side of the shell 1 is provided with a power switch 9, and the power switch 9 is convenient for a user to turn on or off the power supply and is convenient to operate. The mounting cover 4 is provided with a limiting block 402 and a raised first buckling part 403, the shell 1 is provided with a limiting part 106 correspondingly buckled with the limiting block 402, and the shell 1 is provided with a second buckling part 107 correspondingly buckled with the first buckling part 403; when in use, the mounting cover 4 is buckled on the shell 1, so that the mounting is convenient; accessible recess 404 will install and cover 4 dismantles during the clearance, takes out magnetic block 3 again and clears up adsorbed iron fillings, and the dismouting is convenient, and the clearance is convenient, excellent in use effect.

Referring to fig. 1, 3, 4 and 8, the air guide cavity 103 includes an installation cavity 108 for installing the motor 2, the motor 2 includes a stator 201, a rotor 202 and a rotating shaft 203, the stator 201 is provided with a stator air guide cavity 204, and the rotating shaft 203 is provided with a heat dissipation fan blade 205. The stator air guide cavity 204 has an air guide effect, so that the motor 2 can conveniently dissipate heat, the heat dissipation effect is good, and the service life of the motor 2 is prolonged. The housing 1 includes a first housing 5 and a second housing 6, an air inlet hole 101 is provided on the first housing 5, and an air outlet hole 102 is provided on the second housing 6. The rotating shaft 203 is provided with the heat dissipation fan blade 205, and the rotating shaft 203 drives the heat dissipation fan blade 205 to rotate, so that the outside air enters from the air inlet hole 101 and is discharged from the air outlet hole 102 after passing through the air guide cavity 103, and the heat dissipation effect is good.

Referring to fig. 1, 5, 9 and 10, a battery assembly is disposed at the bottom of the case 1, and the battery assembly includes a third case 7 and a battery disposed in the third case 7. The third casing 7 is provided with a locking mechanism, the locking mechanism includes a push key 8, one end of the push key 8 is provided with a third protruding buckling part 801, and the bottom of the casing 1 is provided with a clamping groove 109 correspondingly buckled with the third buckling part 801. When in use, the push key 8 is pushed to enable the third buckling part 801 to fall into the buckling groove 109 for corresponding buckling, so that the battery component is fixedly arranged at the bottom of the shell 1; when the battery pack is disassembled, the pushing key 8 is pushed to enable the third buckling part 801 to be separated from the clamping groove 109, the battery pack is convenient to disassemble and assemble, and the spare battery can be replaced to work after the battery pack is disassembled, so that the battery pack is convenient to use.

The utility model prevents iron filings from entering the electric motor angle grinder, and the rotating shaft is provided with the heat dissipation fan blades, so that the outside air enters from the air inlet hole and is discharged from the air outlet hole after passing through the air guide cavity, and the heat dissipation effect is good; the battery component is convenient to disassemble and assemble, and the spare battery can be replaced to work after the battery component is disassembled, so that the use is convenient; a power switch is arranged on one side of the shell, and the power switch is convenient for a user to turn on or turn off the power supply and is convenient to operate; the structure is simple, and the production cost is low; the magnetic block is arranged in the shell, so that scrap iron entering the shell can be attracted, the scrap iron is prevented from further entering the motor, and the service life of the motor is prolonged; the shell is provided with a mounting groove for mounting the magnetic block, and the mounting is stable; the shell is provided with a through groove for mounting the mounting cover, and the magnetic block can be taken out from the through groove when the mounting cover is dismounted, so that scrap iron adsorbed by the magnetic block can be conveniently cleaned; the stator air guide cavity has an air guide effect, so that the motor can conveniently dissipate heat, the heat dissipation effect is good, and the service life of the motor is prolonged.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An angle grinder that prevents iron filings from entering a motor, comprising: the air conditioner comprises a shell (1), and is characterized in that the shell (1) is provided with an air inlet hole (101) and an air outlet hole (102), an air guide cavity (103) is arranged in the shell (1), and the air guide cavity (103) is arranged between the air inlet hole (101) and the air outlet hole (102); a motor (2) is arranged in the air guide cavity (103) and close to the air outlet hole (102), and the air inlet hole (101), the air guide cavity (103) and the air outlet hole (102) form a heat dissipation channel; the air guide device is characterized in that a detachable magnetic block (3) is arranged in the air guide cavity (103), the magnetic block (3) is arranged between the motor (2) and the air inlet hole (101), and the shell (1) is provided with a detachable installation cover (4).

2. An angle grinder of preventing iron filings from entering into the motor as claimed in claim 1, characterized in that one side of said mounting cover (4) is provided with a limiting projection (401), one end of said limiting projection (401) abuts against said magnetic block (3), and said housing (1) is provided with a mounting groove (104) for mounting said magnetic block (3).

3. An angle grinder of the type which prevents the entry of iron filings into the motor, according to claim 1, characterized in that said housing (1) is provided with a through slot (105) for the mounting of said mounting cover (4), said through slot (105) being correspondingly provided on the side of said magnetic block (3); the shell (1) is provided with a groove (404), and the groove (404) is arranged on one side of the mounting cover (4).

4. The angle grinder for preventing iron chips from entering into a motor according to claim 1, wherein the mounting cover (4) is provided with a limiting block (402) and a raised first buckling part (403), the housing (1) is provided with a limiting part (106) correspondingly buckled with the limiting block (402), and the housing (1) is provided with a second buckling part (107) correspondingly buckled with the first buckling part (403).

5. The angle grinder capable of preventing iron chips from entering into the motor according to claim 1, wherein the air guide cavity (103) comprises a mounting cavity (108) for mounting the motor (2), the motor (2) comprises a stator (201), a rotor (202) and a rotating shaft (203), the stator (201) is provided with a stator air guide cavity (204), and the rotating shaft (203) is provided with heat dissipation fan blades (205).

6. An angle grinder of electric motor for preventing iron filings from entering into it according to claim 1, characterized in that said housing (1) comprises a first housing (5) and a second housing (6), said air inlet hole (101) being provided on said first housing (5) and said air outlet hole (102) being provided on said second housing (6).

7. An angle grinder as claimed in claim 1, characterised in that the housing (1) is provided at its bottom with a battery pack comprising a third housing (7) and a battery disposed within the third housing (7).

8. The angle grinder of claim 7, characterized in that the third housing (7) is provided with a locking mechanism, the locking mechanism comprises a push key (8), one end of the push key (8) is provided with a raised third locking part (801), and the bottom of the housing (1) is provided with a locking groove (109) which is correspondingly locked with the third locking part (801).

9. An angle grinder as claimed in claim 1, characterised in that the magnetic block (3) is a magnet.

10. An angle grinder with a motor for preventing iron filings from entering into it, as claimed in claim 1, wherein a power switch (9) is provided on one side of said housing (1).