CN213034321U

CN213034321U - Hand-held grinder with dust absorption function

Info

Publication number: CN213034321U
Application number: CN202021487459.6U
Authority: CN
Inventors: 罗睿峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-23
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a hand-held type grinder with dust absorption function, including casing, motor, fan and protection casing, the internally mounted of casing has the motor, the internally mounted of casing has the fan, the lower fixed surface of casing has the protection casing, the emery wheel is located the inside of protection casing, dust collection box is all installed to the inside left and right sides of casing, dust collection box's inner wall surface mounting has the filter screen, the left side internally mounted of handle has the worm, the right side surface mounting of handle has anti-skidding cover. This hand-held type grinder with dust absorption function, the outside of emery wheel is provided with the protection casing, and the internally mounted of protection casing has the dust absorption pipe, carries out grinding during operation at the emery wheel, and the protection casing can effectively prevent the dust to splash to operating personnel's face, and the inside of dust collection box that can in time be adsorbed by the dust absorption pipe of the inside dust that produces of protection casing is favorable to avoiding the dust to splash and causes operational environment's pollution, has improved the factor of safety in the device use.

Description

Hand-held grinder with dust absorption function

Technical Field

The utility model relates to a relevant technical field of grinding apparatus specifically is a hand-held type grinding apparatus with dust absorption function.

Background

The grinding tool is a tool for grinding, grinding and polishing, the grinding tool is widely applied to the fields of mechanical manufacturing, metal processing, processing of non-metal materials, grain processing, paper industry and the like, the handheld grinding is comprehensive summary of a grinding method, the handheld grinding has high flexibility, and during processing of the handheld grinding, the handheld grinding tool needs to be used for movable grinding processing, but the existing handheld grinding tool has certain defects.

Can produce a large amount of dusts in grinding apparatus grinding process, and current hand-held grinding tool does not have the function of dust absorption, and these dusts are waved and are spilt in the air or splash to operating personnel's face, not only can cause the pollution of processing environment, still can bring great potential safety hazard, and the adjustment that mainly relies on operating personnel wrist joint to carry out grinding angle when current hand-held grinding tool uses, and the flexibility is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hand-held type grinder with dust absorption function to propose current hand-held type grinder among the above-mentioned background art and do not have the function of dust absorption, the dust is wafted and is spilt in the air or splashes to operating personnel's face, not only can cause the pollution of processing environment, still can bring great potential safety hazard, relies on the rotation of operating personnel wrist joint to carry out grinding angle's adjustment, the relatively poor problem of flexibility.

In order to achieve the above object, the utility model provides a following technical scheme: a hand-held grinding tool with a dust collection function comprises a shell, a motor, a fan and a protective cover, wherein the motor is installed inside the shell, a grinding wheel is connected below the motor, the fan is installed inside the shell and is positioned above the motor, the protective cover is fixed on the lower surface of the shell, a dust collection pipe is connected inside the protective cover in a penetrating mode, the grinding wheel is positioned inside the protective cover, the grinding wheel is positioned below the dust collection pipe, dust collection boxes are installed on the left side and the right side inside the shell, a fixing block is arranged below the inside of each dust collection box and penetrates through the upper end of the corresponding dust collection pipe, a filter screen is installed on the surface of the inner wall of each dust collection box and is positioned on one side of the fan, a connecting block is fixed on the right side of the shell, a worm wheel is installed inside the connecting block, a handle is connected to the right side of the connecting block, and the left side of the worm is connected with a worm wheel, and the outer surface of the right side of the handle is provided with an anti-slip sleeve.

Preferably, the edge of the protective cover is arranged to be an inclined structure, the lower end of the protective cover and the lower end of the grinding wheel are located on the same horizontal line, and the grinding wheel and the protective cover form a rotating structure.

Preferably, the dust absorption pipe is provided with 2 about the central point symmetry of protection casing, and the dust absorption pipe is connected for the block with the fixed block to the fixed block is integrated structure with the dust-collecting box.

Preferably, the dust collecting box and the shell form a detachable mounting structure, the dust collecting box is fixedly connected with the filter screen, and the outer surface of the filter screen is attached to the outer surface of the fan.

Preferably, the worm wheel is in meshed connection with the worm, the worm is in rotary connection with the handle, and the handle and the connecting block form a rotary structure.

Preferably, the handle and the anti-slip sleeve are connected in a clamping manner, and the anti-slip sleeve is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that: the hand-held grinding tool with the dust absorption function,

1. the protective cover is arranged on the outer side of the grinding wheel, the dust collection pipe is arranged in the protective cover, when the grinding wheel is used for grinding, dust can be effectively prevented from splashing to the face of an operator by the protective cover, the dust generated in the protective cover can be timely adsorbed into the dust collection box by the dust collection pipe, the pollution to the working environment caused by the dust splashing can be avoided, and the safety factor of the device in the using process is improved;

2. the whole dust collecting box can be detached from the interior of the shell, the dust of a mobile phone in the dust collecting box can be conveniently cleaned by detaching the dust collecting box from the shell, the filter screen is arranged in the dust collecting box, the dust can be prevented from entering the interior of the fan through the filter screen, and the normal work of the fan is guaranteed;

3. the internally mounted of handle has the worm, is connected through rotating the worm and utilizing the meshing between worm and the worm wheel, can adjust the installation angle of connecting block and casing, makes the device be convenient for carry out the grinding of different angles to the irregularly-shaped work piece of shape, has improved the flexibility in the device use, simultaneously because worm drive's auto-lock nature, can prevent that the casing from the change of angle from appearing in the grinding process, has increased the stability after the casing angular adjustment.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the connection block and the handle of the present invention;

FIG. 3 is a schematic view of the structure of the grinding wheel and the protective cover of the present invention;

FIG. 4 is a schematic view of the top view of the housing and the dust collecting case of the present invention;

fig. 5 is a schematic view of the overlooking structure of the dust collecting box and the fixing block of the present invention.

In the figure: 1. a housing; 2. a motor; 3. a grinding wheel; 4. a fan; 5. a protective cover; 6. a dust collection pipe; 7. a dust collecting box; 8. a fixed block; 9. filtering with a screen; 10. connecting blocks; 11. a worm gear; 12. a handle; 13. a worm; 14. an anti-slip sleeve.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a hand-held grinding tool with dust collection function comprises a shell 1, a motor 2, a grinding wheel 3, a fan 4, a protective cover 5, a dust collection pipe 6, a dust collection box 7, a fixing block 8, a filter screen 9, a connecting block 10, a worm wheel 11, a handle 12, a worm 13 and an anti-skidding sleeve 14, wherein the motor 2 is installed inside the shell 1, the grinding wheel 3 is connected below the motor 2, the fan 4 is installed inside the shell 1, the fan 4 is positioned above the motor 2, the protective cover 5 is fixed on the lower surface of the shell 1, the dust collection pipe 6 is connected inside the protective cover 5 in a penetrating manner, the grinding wheel 3 is positioned inside the protective cover 5, the grinding wheel 3 is positioned below the dust collection pipe 6, the dust collection boxes 7 are installed on the left side and the right side inside the shell 1, the fixing block 8 is arranged below the inside of the dust collection box 7, the inside of the fixing block 8 is penetrated by the upper end of the dust, the filter screen 9 is positioned on one side of the fan 4, the right side of the shell 1 is fixed with a connecting block 10, a worm wheel 11 is arranged inside the connecting block 10, the right side of the connecting block 10 is connected with a handle 12, a worm 13 is arranged inside the left side of the handle 12, the left side of the worm 13 is connected with the worm wheel 11, and the outer surface of the right side of the handle 12 is provided with an anti-skidding sleeve 14;

the edge of the protective cover 5 is arranged to be an inclined structure, the lower end of the protective cover 5 and the lower end of the grinding wheel 3 are located on the same horizontal line, the grinding wheel 3 and the protective cover 5 form a rotating structure, the arrangement mode that the lower end of the protective cover 5 and the lower end of the grinding wheel 3 are located on the same horizontal line enables the protective cover 5 to protect the grinding wheel 3 from being affected, the protective cover 5 with the inclined structure can better block dust generated by grinding the grinding wheel 3, and a better protection effect is achieved;

2 dust suction pipes 6 are symmetrically arranged about the central point of the protective cover 5, the dust suction pipes 6 are connected with the fixed block 8 in a clamping manner, the fixed block 8 and the dust collection box 7 are of an integrated structure, the symmetrically arranged dust suction pipes 6 can adsorb dust in the protective cover 5 from different directions, the dust suction efficiency of the device is improved, and the stability of the dust collection box 7 in the shell 1 can be improved by clamping the dust suction pipes 6 in the fixed block 8;

the dust collecting box 7 and the shell 1 form a dismounting and mounting structure, the dust collecting box 7 is fixedly connected with the filter screen 9, the outer surface of the filter screen 9 is attached to the outer surface of the fan 4, dust in the dust collecting box 7 is convenient to clean by dismounting the dust collecting box 7 from the shell 1, the dust collecting box 7 is cleaned regularly, the improvement of the cleanliness in the dust collecting box 7 is facilitated, the dust collecting box 7 can better store the dust, the arranged filter screen 9 can prevent the dust from entering the fan 4 from the inside of the dust collecting box 7, and the normal work of the fan 4 is guaranteed;

the worm wheel 11 is meshed with the worm 13, the worm 13 is rotatably connected with the handle 12, the handle 12 and the connecting block 10 form a rotating structure, and the worm 13 is rotatably connected with the handle 12, so that the handle 12 cannot rotate synchronously when the worm 13 is rotated, normal rotating motion of the worm 13 is ensured, and by means of the meshed connection between the worm 13 and the worm wheel 11, the worm 13 can be driven to rotate in a manner of rotating the worm wheel 11, so that the mounting angle of the shell 1 is adjusted, and the device is convenient for grinding workpieces with irregular shapes at different angles;

the handle 12 is connected with the anti-slip sleeve 14 in a clamping manner, the anti-slip sleeve 14 is made of rubber, and the rubber has better wear resistance and anti-slip property, so that the friction coefficient of contact between the hand of a user and the handle 12 can be increased, and the phenomenon that the handle 12 falls off in the using process is avoided;

the working principle is as follows: when the hand-held grinding tool with the dust collection function is used, as shown in figures 1-5, when the hand-held grinding tool is used, firstly, the power supply of the motor 2 and the fan 4 is switched on, the grinding wheel 3 is driven to rotate at a high speed by the motor 2, then the handle 12 is held by hands, the grinding wheel 3 is attached to the surface of a workpiece to be ground, the surface of the workpiece is ground by the grinding wheel 3, dust generated by grinding is adsorbed into the dust collection box 7 from the inside of the dust collection pipe 6 by the fan 4, because the filter screen 9 is arranged between the dust collection box 7 and the fan 4, the dust can be prevented from entering the inside of the fan 4 by the filter screen 9, the dust is completely stored in the dust collection box 7, the protective cover 5 arranged on the outer side of the grinding wheel 3 can well block the dust generated by grinding, the dust can not splash everywhere, the safety factor in the use process is improved, and the adsorption effect of the dust, when the grinding angle of the grinding wheel 3 needs to be adjusted, the worm 13 is rotated, the worm wheel 11 can be driven to rotate in the connecting block 10 by utilizing the transmission meshing connection between the worm 13 and the worm wheel 11, the integral installation angle of the shell 1 is changed by the rotation of the connecting block 10, the grinding angle of the grinding wheel 3 is synchronously adjusted, the grinding angle of the grinding wheel 3 is changed, the grinding processing of different angles can be conveniently carried out on workpieces in different shapes, and the flexibility of the device in the use process is greatly improved;

when the dust in the dust collecting box 7 needs to be cleaned, the dust collecting box 7 is pulled upwards to enable the dust collecting pipe 6 to be disengaged from the inside of the fixed block 8, the dust collecting box 7 can be detached from the inner part of the shell 1, after the cleaning is finished, the dust collecting box 7 is inserted downwards from the upper part of the shell 1, the dust suction pipe 6 is clamped inside the fixed block 8 in the inserting process, so that the installation of the dust collection box 7 inside the shell 1 is completed, the subsequent grinding work is convenient, the cleanness inside the dust collecting box 7 can be improved by regularly cleaning the dust collecting box 7, the dust collecting box 7 is convenient to collect dust better, the surface of the handle 12 is provided with the anti-skid sleeve 14, the friction coefficient of the contact between the hand of the user and the handle 12 can be increased through the anti-slip sleeve 14, the phenomenon that the handle 12 falls off is avoided, and the overall practicability is improved.

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. The utility model provides a hand-held type grinder with dust absorption function, includes casing (1), motor (2), fan (4) and protection casing (5), its characterized in that: the dust collection device is characterized in that a motor (2) is mounted inside a shell (1), a grinding wheel (3) is connected below the motor (2), a fan (4) is mounted inside the shell (1), the fan (4) is located above the motor (2), a protective cover (5) is fixed on the lower surface of the shell (1), a dust collection pipe (6) penetrates through the protective cover (5), the grinding wheel (3) is located inside the protective cover (5), the grinding wheel (3) is located below the dust collection pipe (6), dust collection boxes (7) are mounted on the left side and the right side of the interior of the shell (1), a fixing block (8) is arranged below the interior of each dust collection box (7), the interior of each fixing block (8) is penetrated through by the upper end of the corresponding dust collection pipe (6), a filter screen (9) is mounted on the surface of the inner wall of each dust collection box (7), and the filter screen (9) is located on one side of the, the right side of casing (1) is fixed with connecting block (10), and the internally mounted of connecting block (10) has worm wheel (11) to the right side of connecting block (10) is connected with handle (12), the left side internally mounted of handle (12) has worm (13), and the left side of worm (13) is connected with worm wheel (11), the right side surface mounting of handle (12) has antiskid cover (14).

2. A hand-held abrasive tool with dust extraction as claimed in claim 1, wherein: the edge of the protective cover (5) is arranged to be an inclined structure, the lower end of the protective cover (5) and the lower end of the grinding wheel (3) are located on the same horizontal line, and the grinding wheel (3) and the protective cover (5) form a rotating structure.

3. A hand-held abrasive tool with dust extraction as claimed in claim 1, wherein: the dust collection pipe (6) is symmetrically provided with 2 dust collection pipes about the central point of the protective cover (5), the dust collection pipes (6) are connected with the fixed block (8) in a clamping manner, and the fixed block (8) and the dust collection box (7) are of an integrated structure.

4. A hand-held abrasive tool with dust extraction as claimed in claim 1, wherein: the dust collecting box (7) and the shell (1) form a detachable mounting structure, the dust collecting box (7) is fixedly connected with the filter screen (9), and the outer surface of the filter screen (9) is attached to the outer surface of the fan (4).

5. A hand-held abrasive tool with dust extraction as claimed in claim 1, wherein: the worm wheel (11) is connected with the worm (13) in a meshed mode, the worm (13) is connected with the handle (12) in a rotating mode, and the handle (12) and the connecting block (10) form a rotating structure.

6. A hand-held abrasive tool with dust extraction as claimed in claim 1, wherein: the handle (12) is connected with the anti-slip sleeve (14) in a clamping mode, and the anti-slip sleeve (14) is made of rubber.