CN218397490U

CN218397490U - Sanding device

Info

Publication number: CN218397490U
Application number: CN202222249603.8U
Authority: CN
Inventors: 沙金星; 陆炜炜
Original assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Current assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-31
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to a sanding device, which comprises a shell, a motor component arranged in the shell, a sanding disc driven by the motor component, a fan component connected with the motor component and a dust collecting device connected with the shell, wherein a dust outlet is formed on the shell, and the motor component drives the fan component to rotate so as to guide dust into the dust collecting device through the dust outlet; the dust collecting device comprises a connecting part combined with the dust outlet and a dust collecting part connected with the connecting part, and the connecting part and the dust collecting part are detachably connected through magnetic attraction. The utility model discloses a set up corresponding magnetic adsorption piece and magnet on dust collecting device's connecting portion and the collection dirt portion, realize connecting portion with the magnetism of collection dirt portion is inhaled and is connected, simple structure, and the dismouting is very convenient.

Description

Sanding device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a sanding device, in particular to sanding device that occasions such as fitment, building were used.

[ background of the invention ]

The sanding device is a machine which is driven by a motor to eccentrically swing a sanding disc so as to polish and polish the surface of a workpiece, and can generate a large amount of dust when the sanding device works, and the dust can injure a human body after being sucked into the human body. For this reason, can set up out the dirt mouth on sanding device's casing, set up the collection dirt passageway that runs through on the sanding board, go out dirt mouth department detachably and be connected with the collection dirt box to install collection dirt fan on the motor, the motor during operation drive collection dirt fan carries out high-speed rotation, produces the negative pressure in collection dirt fan department, drives the dust and inhales from the collection dirt passageway of sanding board, and finally collects to the collection dirt box through going out the dirt mouth.

In the prior art, in order to clean the dust in the dust collecting box timely and conveniently, the dust collecting box usually adopts the mode of rotating the buckle and the rotating thread to realize the detachable connection of the connecting part and the dust collecting part, but the mode of rotating the buckle and the rotating thread is structurally complex and the disassembly and assembly are inconvenient.

In view of the above, there is a need for an improved sanding apparatus that overcomes the deficiencies of the prior art.

[ Utility model ] content

Not enough to prior art, an object of the utility model is to provide a simple structure and easy dismounting's sanding device.

The utility model provides a prior art problem can adopt following technical scheme: a sanding device comprises a shell, a motor component arranged in the shell, a sanding disc driven by the motor component, a fan component connected with the motor component and a dust collecting device connected with the shell, wherein a dust outlet is formed on the shell, and the motor component drives the fan component to rotate so as to guide dust into the dust collecting device through the dust outlet; the dust collecting device comprises a connecting part combined with the dust outlet and a dust collecting part connected with the connecting part, and the connecting part and the dust collecting part are detachably connected through magnetic attraction.

The further improvement scheme is as follows: one of the connection part and the dust collection part has a magnet, and the other has a magnetic attraction member.

The further improvement scheme is as follows: the connecting part comprises a first combining part connected with the dust collecting part, the dust collecting part comprises a second combining part connected with the first combining part, the first combining part is provided with a first mounting part which is recessed from the end face far away from the second combining part, and the magnetic adsorption piece is arranged in the first mounting part; the second coupling portion has a second mounting portion corresponding to the first mounting portion, and the magnet is disposed in the second mounting portion.

The further improvement scheme is as follows: the first combining part and the second combining part are arranged in a circumferential mode, the magnetic adsorption pieces and the magnets are respectively provided with a plurality of magnets, and the magnets are distributed on the circumference at intervals.

The further improvement scheme is as follows: the magnetic adsorption piece and the magnet are respectively provided with two magnets which are distributed on the circumference at an interval of 180 degrees.

The further improvement scheme is as follows: the magnetic adsorption piece is a screw, a screw rod of the screw is installed in the first installation part, and a screw head of the screw is adsorbed on the magnet.

The further improvement scheme is as follows: the second joint portion includes the guide slot that inwards caves in from the inner wall, the guide slot is the arc setting.

The further improvement scheme is as follows: the second mounting portion is connected to an end of the guide groove.

The further improvement scheme is as follows: the connecting part comprises a buckle arranged on the opposite side of the first mounting part, and the connecting part is connected to the dust outlet through the buckle.

The further improvement scheme is as follows: the shell comprises an air inlet arranged on the upper side of the motor component and an air outlet arranged on the lower side of the motor component, the fan component comprises a first fan blade arranged towards the motor component and a second fan blade arranged back to the motor component, the first fan blade rotates, external airflow enters the shell through the first air inlet, and after flowing through the motor component, the external airflow is blown out of the air outlet; the sand mill is provided with a through dust suction channel, the second fan blade rotates, and dust is sucked from the dust suction channel and guided into the dust collecting device through the dust outlet.

Compared with the prior art, the utility model discloses following beneficial effect has: the magnetic attraction connection between the connecting part and the dust collecting part is realized by arranging the corresponding magnetic adsorption piece and the magnet on the connecting part and the dust collecting part of the dust collecting device, the structure is simple, and the disassembly and the assembly are very convenient; through set up the guide slot on the second joint portion, assembling play the guide effect during magnet, the installation of being convenient for, just connecting portion with dust collection portion is in under the connected state, and this guide slot also provides the space of placing for magnetic adsorption piece, makes magnetic adsorption piece with the state of inhaling of magnet is more stable.

[ description of the drawings ]

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

FIG. 1 is a schematic view of the sanding device of the present invention;

FIG. 2 is a schematic, exploded view of the sanding device of FIG. 1;

FIG. 3 is an exploded schematic view of the coupling portion and dust collection portion of the sanding device of FIG. 1;

fig. 4 is a schematic exploded view of the connection part and the dust collection part shown in fig. 3.

[ detailed description ] embodiments

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper", "lower", "front", "rear", "left", "right", etc., indicating orientations or positional relationships are based only on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device/element referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Please refer to fig. 1 and 2, an embodiment of the present invention relates to a sanding device 100, the sanding device 100 includes a housing 1, a motor assembly 2 installed in the housing 1, a sanding disc 3 driven by the motor assembly 2, a fan assembly 4 connected to the motor assembly 2 and a dust collecting device 5 connected to the housing 1, the fan assembly 4 and the sanding disc 3 are disposed below the motor assembly 2, and the fan assembly 4 is located between the motor assembly 2 and the sanding disc 3, the sanding disc 3 is exposed at the bottom of the housing 1, the bottom of the sanding disc 3 is fixed with sand paper, the motor assembly 2 drives the fan assembly 4 and the sanding disc 3 to rotate at a high speed under the action of a driving source, so as to polish a workpiece.

In the present embodiment, the housing 1 includes a first portion 17 located at the upper side, a second portion 19 located at the lower side, and an intermediate portion 18 connected between the first portion 17 and the second portion 19, the first portion 17 is formed as a holding portion for a user to grasp, and a switch element 30 for controlling the start and stop of the motor assembly 2, a speed regulating element 40 for controlling the rotation speed of the motor assembly 2, and a power cord 20 externally connected to the drive source are all mounted on the first portion 17; the motor element 2 is disposed in the middle portion 18, and the upper end of the motor element 2 protrudes into the first portion 17, and the lower end protrudes into the second portion 19, the two ends of the motor element 2 are supported by a pair of bearings, the upper bearing 21 is disposed on the first portion 17, and the lower bearing 22 is disposed on the second portion 19; the fan assembly 4 is located in the second portion 19 and rotates with the rotation of the motor assembly 2.

Referring to fig. 2, the housing 1 is formed with a dust outlet 11, the dust outlet 11 penetrates through a side surface of the second portion 19 and extends outward from the side surface of the second portion 19 to form a combining portion 111, and the dust collecting device 5 is connected to the combining portion 111; the motor assembly 2 rotates the fan assembly 4 to guide the dust into the dust collecting device 5 through the dust outlet 11 for effective dust collection.

In this embodiment, the housing 1 includes an air inlet 12 disposed on an upper side of the motor element 2 and an air outlet 13 disposed on a lower side of the motor element 2, the air inlet 12 is disposed on the first portion 17, the air outlet 13 is disposed on the second portion 19, the fan element 4 includes a substrate 43 connected to the motor element 2, a first blade 41 disposed from the substrate 43 toward the motor element 2, and a second blade 42 disposed from the substrate 43 opposite to the motor element 2, and the fan element 4 forms an upper air flow and a lower air flow when rotating.

Specifically, the first fan blade 41 rotates, external air flows into the housing 1 through the first air inlet 12, flows through the motor assembly 2 and is blown out from the air outlet 13, and the air flow is used for cooling and radiating the motor assembly 2; the second fan 42 rotates, and since the sanding disc 3 has a plurality of dust suction channels 31 passing through, dust generated during operation is sucked from the dust suction channels 31 and guided into the dust collecting device 5 through the dust outlet 11, and the airflow is used for dust collection.

Referring to fig. 3 and 4, the dust collecting device 5 includes a connecting portion 51 coupled to the dust outlet 11 and a dust collecting portion 52 connected to the connecting portion 51, one of the connecting portion 51 and the dust collecting portion 52 has a magnet 521, and the other has a magnetic attraction member 511, and the connecting portion 51 and the dust collecting portion 52 are detachably connected by magnetic attraction. The magnetic attraction connection of the connecting part 51 and the dust collecting part 52 is realized by arranging the corresponding magnetic attraction piece 511 and the magnet 521 on the connecting part 51 and the dust collecting part 52 of the dust collecting device 5, the structure is simple, and the assembly and disassembly are very convenient.

In the present embodiment, the magnetic attraction piece 511 is held by the connection portion 51, and the magnet 521 is held by the dust collection portion 52. Specifically, the connection part 51 includes a first combination part 510 connected to the dust collection part 52, the dust collection part 52 includes a second combination part 520 connected to the first combination part 510, the first combination part 510 has a first mounting part 512 recessed from an end surface away from the second combination part 520, and the magnetic adsorption piece 511 is disposed in the first mounting part 512; the second coupling portion 520 has a second mounting portion 522 corresponding to the first mounting portion 512, and the magnet 521 is disposed in the second mounting portion 522.

Further, the connecting portion 51 includes a buckle 513 disposed at an opposite side of the first mounting portion 512, and the connecting portion 51 is connected to the combining portion 111 of the dust outlet 11 via the buckle 513.

In the present embodiment, the magnetic attraction member 511 is a screw, a screw rod of the screw is mounted in the first mounting portion 512, and a screw head of the screw is exposed to the outside of the first mounting portion 512 and magnetically attracted to the magnet 521.

Referring to fig. 3 and 4, the second coupling portion 520 includes a guide groove 523 recessed inward from an inner wall, the guide groove 523 is disposed in an arc shape, and the second mounting portion 522 is connected to an end of the guide groove 523. The guide groove 523 is arranged on the second combining part 520, so that the magnet 521 plays a role in guiding when being assembled, and the installation is convenient; in addition, when the connection portion 51 and the dust collecting portion 52 are connected, the guide slot 523 also provides a space for placing the magnetic attraction member 511 (i.e., the screw head of the screw is located in the guide slot 523), so that the magnetic attraction state of the magnetic attraction member 511 and the magnet 521 is more stable.

In this embodiment, the first coupling portion 510 and the second coupling portion 520 are circumferentially disposed, and the magnetic attraction pieces 511 and the magnets 521 are respectively provided in plural numbers and are circumferentially spaced from each other.

Further, the magnetic attraction pieces 511 and the magnets 521 are respectively provided with two pieces, and are distributed on the circumference at an interval of 180 °.

The utility model discloses a set up corresponding magnetic adsorption piece 511 and magnet 521 on connecting portion 51 and dust collecting part 52 of dust collecting device 5, realize connecting portion 51 and dust collecting part 52's magnetism and inhale the connection, simple structure, and the dismouting is very convenient. The guide groove 523 is arranged on the second combining part 520, so that the magnet 521 plays a role in guiding when being assembled, and the installation is convenient; and the connecting portion 51 and the dust collecting portion 52 are in a connected state, the guide groove 523 also provides a placing space for the magnetic attraction piece 511, so that the magnetic attraction state of the magnetic attraction piece 511 and the magnet 521 is more stable.

The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that there are numerous other alternatives to the sanding device of the present invention without departing from the principles and scope of the invention. The protection scope of the present invention is subject to the content of the claims.

Claims

1. A sanding device comprises a shell, a motor component arranged in the shell, a sanding disc driven by the motor component, a fan component connected with the motor component and a dust collecting device connected with the shell, wherein a dust outlet is formed on the shell, and the motor component drives the fan component to rotate so as to guide dust into the dust collecting device through the dust outlet; the method is characterized in that: the dust collecting device comprises a connecting part combined with the dust outlet and a dust collecting part connected with the connecting part, and the connecting part and the dust collecting part are detachably connected through magnetic attraction.

2. The sanding device of claim 1, wherein: one of the connection part and the dust collection part has a magnet, and the other has a magnetic adsorption member.

3. The sanding device of claim 2, wherein: the connecting part comprises a first combining part connected with the dust collecting part, the dust collecting part comprises a second combining part connected with the first combining part, the first combining part is provided with a first mounting part which is recessed from the end face far away from the second combining part, and the magnetic adsorption piece is arranged in the first mounting part; the second coupling portion has a second mounting portion corresponding to the first mounting portion, and the magnet is disposed in the second mounting portion.

4. A sanding device as defined in claim 3, characterized in that: the first combining part and the second combining part are arranged in a circumferential mode, the magnetic adsorption pieces and the magnets are respectively provided with a plurality of magnets, and the magnets are distributed on the circumference at intervals.

5. The sanding device of claim 4, wherein: the magnetic adsorption piece and the magnet are respectively provided with two magnets which are distributed on the circumference at an interval of 180 degrees.

6. A sanding device as defined in claim 3, characterized in that: the magnetic adsorption piece is a screw, a screw rod of the screw is installed in the first installation part, and a screw head of the screw is adsorbed on the magnet.

7. A sanding device as defined in claim 3, characterized in that: the second joint portion includes the guide slot that inwards caves in from the inner wall, the guide slot is the arc setting.

8. The sanding device of claim 7, wherein: the second mounting portion is connected to an end of the guide groove.

9. A sanding device as defined in claim 3, wherein: the connecting part comprises a buckle arranged on the opposite side of the first mounting part, and the connecting part is connected to the dust outlet through the buckle.

10. The sanding device of claim 1, wherein: the shell comprises an air inlet arranged on the upper side of the motor component and an air outlet arranged on the lower side of the motor component, the fan component comprises a first fan blade arranged towards the motor component and a second fan blade arranged back to the motor component, the first fan blade rotates, external airflow enters the shell through the air inlet, and after flowing through the motor component, the external airflow is blown out of the air outlet; the sand mill is provided with a through dust suction channel, the second fan blade rotates, and dust is sucked from the dust suction channel and guided into the dust collecting device through the dust outlet.