CN209972007U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN209972007U CN209972007U CN201920200940.3U CN201920200940U CN209972007U CN 209972007 U CN209972007 U CN 209972007U CN 201920200940 U CN201920200940 U CN 201920200940U CN 209972007 U CN209972007 U CN 209972007U
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- dust collecting
- dust
- motor
- brush
- supporting strip
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Abstract
The utility model relates to a blackboard eraser, which comprises a brush body, an installation block, a dust suction device and a dust collecting device; the brush body comprises brush bristles and a brush plate, the brush bristles are arranged on the brush plate, and dust inlet holes are formed in the brush plate; the brush body is rotatably arranged in the mounting block; the dust collection device is arranged at one end, far away from the brush body, of the mounting block, a first supporting strip, a second supporting strip, a first motor, a fan blade and a second motor are arranged in the dust collection device, the dust collection device is of a hollow structure, the first supporting strip and the second supporting strip are respectively arranged at two ends in the dust collection device, the first motor is arranged on the first supporting strip, an output shaft of the first motor is fixedly connected with the brush plate, and the second motor is arranged on the second supporting strip, and the output shaft of the second motor is fixedly connected with the fan blade; the dust collecting device is arranged at one end of the dust collecting device far away from the mounting block, and a dust collecting box and a second handle are arranged on the dust collecting device. Not only increases the efficiency of wiping the blackboard, but also greatly reduces the harm to human body when wiping the blackboard.
Description
Technical Field
The utility model relates to a teaching aid field especially relates to a blackboard sassafras.
Background
The chalk and the blackboard eraser are the most original and traditional main teaching tools, the chalk makes contribution to the development of human education and society from being invented to being applied to the existing thousands of years, but the existing blackboard eraser is easy to erase blackboard writing written by the chalk, is not clean and needs to be erased repeatedly, so that the physical strength and time of teachers are greatly wasted, a large amount of dust is generated during erasing, the chalk and the blackboard eraser can harm the lung after being inhaled, and lung diseases are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a blackboard eraser is provided to solve the problem mentioned in the above-mentioned background art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a blackboard eraser comprises a brush body, a mounting block, a dust suction device and a dust collecting device; the brush body comprises brush bristles and a brush plate, the brush bristles are arranged on the brush plate, and dust inlet holes are formed in the brush plate; the brush body is rotatably arranged in the mounting block; the dust collection device is arranged at one end, far away from the brush body, of the mounting block, a first supporting strip, a second supporting strip, a first motor, a fan blade and a second motor are arranged in the dust collection device, the dust collection device is of a hollow structure, the first supporting strip and the second supporting strip are respectively arranged at two ends in the dust collection device, the first supporting strip is close to one end of the mounting block, the second supporting strip is close to one end of the dust collection device, the first motor is arranged on the outer side of the dust collection device on the first supporting strip, the first motor penetrates through the mounting block to enable an output shaft of the first motor to be fixedly connected with the brush plate, the second motor is arranged on the inner side of the dust collection device on the second supporting strip, and the fan; the dust collecting device is arranged at one end of the dust collecting device far away from the mounting block, a dust collecting box and a second handle are arranged on the dust collecting device, the dust collecting box is contained in the dust collecting device, and the second handle is arranged on the dust collecting device.
The utility model has the advantages that: when the blackboard needs to be cleaned, the second handle is held by a hand, the switch is turned on, the first motor drives the brush body to rotate when the blackboard is cleaned, so that the blackboard is cleaned more easily, meanwhile, the second motor drives the fan blades to rotate to form air flow, and dust generated when the blackboard is cleaned is sucked into the dust collecting device. Not only increases the efficiency of wiping the blackboard, but also greatly reduces the harm to human body when wiping the blackboard.
Further: the dust collecting box is provided with a first handle and a dust collecting hole, the first handle is arranged on the outer side of the dust collecting box, and the dust collecting hole is arranged at one end, close to the dust collecting device, in the dust collecting box.
The beneficial effects of the further scheme are as follows: dust generated by wiping the blackboard is collected in the dust collection box through the dust collection hole and is cleaned at any time through the handle.
Further: the dust collecting holes are of a conical structure, and a dust collecting groove is formed between every two adjacent dust collecting holes.
The beneficial effects of the further scheme are as follows: the dust can be conveniently collected in the dust collecting box.
Further: the first motor and the second motor are direct current motors.
The beneficial effects of the further scheme are as follows: the direct current motor has long service life and high transmission efficiency.
Further: the housing of the blackboard eraser is mainly made of PC material.
The beneficial effects of the further scheme are as follows: the PC material has high strength, high elastic coefficient, high impact strength and wide application temperature range.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the dust collector of the present invention;
fig. 4 is a schematic view of the present novel dust collecting hole.
Wherein: 1 is a brush body, 11 is brush hair, 12 is a brush board, 13 is a dust inlet hole, 2 is a mounting block, 3 is a dust suction device, 31 is a first supporting bar, 32 is a second supporting bar, 33 is a first motor, 34 is a fan blade, 35 is a second motor, 4 is a dust collection device, 41 is a dust collection box, 411 is a first handle, 412 is a dust collection hole, 413 is a dust collection groove, and 42 is a second handle.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 4, a blackboard eraser comprises a brush body 1, a mounting block 2, a dust suction device 3 and a dust collection device 4; the brush body 1 comprises bristles 11 and a brush plate 12, the bristles 11 are arranged on the brush plate 12, and the brush plate 12 is provided with a dust inlet 13; the brush body 1 is rotatably arranged in the mounting block 2; the dust collection device 3 is arranged at one end, far away from the brush body 1, of the mounting block 2, a first supporting strip 31, a second supporting strip 32, a first motor 33, a fan blade 34 and a second motor 35 are arranged in the dust collection device 3, the dust collection device 3 is of a hollow structure, the first supporting strip 31 and the second supporting strip 32 are respectively arranged at two ends in the dust collection device 3, the first supporting strip 31 is close to one end of the mounting block 2, the second supporting strip 32 is close to one end of the dust collection device 4, the first motor 33 is arranged on the outer side of the dust collection device 3 on the first supporting strip 31, the first motor 33 penetrates through the mounting block 2 to enable an output shaft of the first motor 33 to be fixedly connected with the brush plate 12, the second motor 35 is arranged on the inner side of the dust collection device 3 on the second supporting strip 32, and the fan; the dust collecting device 4 is arranged at one end of the dust collecting device 3 far away from the mounting block 2, a dust collecting box 41 and a second handle 42 are arranged on the dust collecting device 4, the dust collecting box 41 is accommodated in the dust collecting device 4, and the second handle 42 is arranged on the dust collecting device 4; when the blackboard is required to be wiped, the second handle 42 is held by hand, the switch is turned on, when the blackboard is wiped, the first motor 33 drives the brush body 1 to rotate, so that the blackboard is wiped more easily, and simultaneously, the second motor 35 drives the fan blades 34 to rotate to form air flow, so that dust generated when the blackboard is wiped is sucked into the dust collecting device 4. Not only increases the efficiency of wiping the blackboard, but also greatly reduces the harm to human body when wiping the blackboard.
Example two:
as shown in fig. 1 to 4, a blackboard eraser comprises a brush body 1, a mounting block 2, a dust suction device 3 and a dust collection device 4; the brush body 1 comprises bristles 11 and a brush plate 12, the bristles 11 are arranged on the brush plate 12, and the brush plate 12 is provided with a dust inlet 13; the brush body 1 is rotatably arranged in the mounting block 2; the dust collection device 3 is arranged at one end, far away from the brush body 1, of the mounting block 2, a first supporting strip 31, a second supporting strip 32, a first motor 33, a fan blade 34 and a second motor 35 are arranged in the dust collection device 3, the dust collection device 3 is of a hollow structure, the first supporting strip 31 and the second supporting strip 32 are respectively arranged at two ends in the dust collection device 3, the first supporting strip 31 is close to one end of the mounting block 2, the second supporting strip 32 is close to one end of the dust collection device 4, the first motor 33 is arranged on the outer side of the dust collection device 3 on the first supporting strip 31, the first motor 33 penetrates through the mounting block 2 to enable an output shaft of the first motor 33 to be fixedly connected with the brush plate 12, the second motor 35 is arranged on the inner side of the dust collection device 3 on the second supporting strip 32, and the fan; the dust collecting device 4 is arranged at one end of the dust collecting device 3 far away from the mounting block 2, a dust collecting box 41 and a second handle 42 are arranged on the dust collecting device 4, the dust collecting box 41 is accommodated in the dust collecting device 4, and the second handle 42 is arranged on the dust collecting device 4; when the blackboard is required to be wiped, the second handle 42 is held by hand, the switch is turned on, when the blackboard is wiped, the first motor 33 drives the brush body 1 to rotate, so that the blackboard is wiped more easily, and simultaneously, the second motor 35 drives the fan blades 34 to rotate to form air flow, so that dust generated when the blackboard is wiped is sucked into the dust collecting device 4. Not only the efficiency of wiping the blackboard is increased, but also the harm to human body when the blackboard is wiped is greatly reduced; the dust collecting case 41 is provided with a first handle 411 and a dust collecting hole 412, the first handle 411 is arranged outside the dust collecting case 41, the dust collecting hole 412 is arranged at one end of the dust collecting case 41 close to the dust suction device 3, dust generated by wiping the blackboard is collected in the dust collecting case 41 through the dust collecting hole 412, and the dust is cleaned at any time through the handle 411.
Example three:
as shown in fig. 1 to 4, a blackboard eraser comprises a brush body 1, a mounting block 2, a dust suction device 3 and a dust collection device 4; the brush body 1 comprises bristles 11 and a brush plate 12, the bristles 11 are arranged on the brush plate 12, and the brush plate 12 is provided with a dust inlet 13; the brush body 1 is rotatably arranged in the mounting block 2; the dust collection device 3 is arranged at one end, far away from the brush body 1, of the mounting block 2, a first supporting strip 31, a second supporting strip 32, a first motor 33, a fan blade 34 and a second motor 35 are arranged in the dust collection device 3, the dust collection device 3 is of a hollow structure, the first supporting strip 31 and the second supporting strip 32 are respectively arranged at two ends in the dust collection device 3, the first supporting strip 31 is close to one end of the mounting block 2, the second supporting strip 32 is close to one end of the dust collection device 4, the first motor 33 is arranged on the outer side of the dust collection device 3 on the first supporting strip 31, the first motor 33 penetrates through the mounting block 2 to enable an output shaft of the first motor 33 to be fixedly connected with the brush plate 12, the second motor 35 is arranged on the inner side of the dust collection device 3 on the second supporting strip 32, and the fan; the dust collecting device 4 is arranged at one end of the dust collecting device 3 far away from the mounting block 2, a dust collecting box 41 and a second handle 42 are arranged on the dust collecting device 4, the dust collecting box 41 is accommodated in the dust collecting device 4, and the second handle 42 is arranged on the dust collecting device 4; when the blackboard is required to be wiped, the second handle 42 is held by hand, the switch is turned on, when the blackboard is wiped, the first motor 33 drives the brush body 1 to rotate, so that the blackboard is wiped more easily, and simultaneously, the second motor 35 drives the fan blades 34 to rotate to form air flow, so that dust generated when the blackboard is wiped is sucked into the dust collecting device 4. Not only the efficiency of wiping the blackboard is increased, but also the harm to human body when the blackboard is wiped is greatly reduced; the dust collecting case 41 is provided with a first handle 411 and a dust collecting hole 412, the first handle 411 is arranged outside the dust collecting case 41, the dust collecting hole 412 is arranged at one end of the dust collecting case 41 close to the dust suction device 3, dust generated by wiping the blackboard is collected in the dust collecting case 41 through the dust collecting hole 412, and the dust is cleaned at any time through the handle 411. The dust collecting holes 412 are in a conical structure, and a dust collecting groove 413 is arranged between two adjacent dust collecting holes 412, so that dust can be conveniently collected in the dust collecting box 41; the first motor 33 and the second motor 35 are direct current motors, so that the direct current motors are long in service life and high in transmission efficiency; the shell of the blackboard eraser is mainly made of a PC material, and the PC material has high strength, high elastic coefficient, high impact strength and wide use temperature range.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (5)
1. A blackboard eraser is characterized by comprising a brush body (1), a mounting block (2), a dust suction device (3) and a dust collection device (4); the brush body (1) comprises bristles (11) and a brush plate (12), the bristles (11) are arranged on the brush plate (12), and the brush plate (12) is provided with a dust inlet hole (13); the brush body (1) is rotatably arranged in the mounting block (2); dust extraction (3) are installed keep away from installation piece (2) the one end of brush body (1), be provided with first support bar (31), second support bar (32), first motor (33), fan blade (34) and second motor (35) in dust extraction (3), dust extraction (3) are hollow structure, first support bar (31) with second support bar (32) set up respectively both ends in dust extraction (3), just first support bar (31) are close to installation piece (2) one end, second support bar (32) are close to dust collecting device (4) one end, first motor (33) are installed on first support bar (31) the outside of dust extraction (3), just first motor (33) run through installation piece (2) make the output shaft of first motor (33) with brush board (12) fixed connection, the second motor (35) is arranged on the inner side of the dust suction device (3) on the second supporting strip (32), and the fan blades (34) are fixedly connected with an output shaft of the second motor (35); the dust collecting device (4) is arranged at one end, far away from the mounting block (2), of the dust collecting device (3), a dust collecting box (41) and a second handle (42) are arranged on the dust collecting device (4), the dust collecting box (41) is contained in the dust collecting device (4), and the second handle (42) is arranged on the dust collecting device (4).
2. Blackboard eraser according to claim 1, characterized in that the dust collecting box (41) is provided with a first handle (411) and a dust collecting hole (412), the first handle (411) is arranged outside the dust collecting box (41), the dust collecting hole (412) is arranged at one end of the dust collecting box (41) close to the dust suction device (3).
3. The blackboard eraser according to claim 2, wherein the dust collecting holes (412) are tapered, and a dust collecting groove (413) is formed between two adjacent dust collecting holes (412).
4. Blackboard eraser according to claim 1, characterized in that said first motor (33) and said second motor (35) are direct current motors.
5. The blackboard eraser of claim 1, wherein the housing of the blackboard eraser is made primarily of PC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920200940.3U CN209972007U (en) | 2019-02-15 | 2019-02-15 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920200940.3U CN209972007U (en) | 2019-02-15 | 2019-02-15 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209972007U true CN209972007U (en) | 2020-01-21 |
Family
ID=69252976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920200940.3U Expired - Fee Related CN209972007U (en) | 2019-02-15 | 2019-02-15 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209972007U (en) |
-
2019
- 2019-02-15 CN CN201920200940.3U patent/CN209972007U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20210215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |