Novel dust-free dedusting blackboard eraser

Abstract

The utility model relates to the technical field of teaching aids. The novel dust-free dedusting blackboard eraser comprises a shell, the upper end of an inner cavity of the shell is fixedly connected with a filter plate, the lower end of the inner cavity of the shell is fixedly connected with a partition plate, a motor is installed on the inner wall of the upper end of the shell, and the output end of the motor is fixedly connected with a trace erasing assembly. According to the blackboard eraser, a worker holds the dust partition mechanisms to enable the dust partition mechanisms to be close to each other, and at the moment, the motor is started to drive the trace erasing assembly to remove chalk traces on a blackboard, so that the blackboard eraser is convenient to use. And the trace erasing assembly is started to drive the dust removing mechanism to rotate so as to remove dust on the surface of the filter plate, so that the dust is prevented from blocking the filter plate, falling on the partition plate and flying in the air, and convenience is provided for teaching activities.

Description

TECHNICAL FIELD

[0001] The utility model relates to teaching aid technical field especially relates to a novel dustless dust-removing blackboard eraser. BACKGROUND

[0002] The blackboard eraser is widely used in schools, training classes and other educational institutions for educational activities, mainly used for wiping chalk marks on the blackboard to achieve the purpose of repeated use of the blackboard.

[0003] However, dust will be generated in the process of removing chalk marks on the blackboard, and the dust will adhere to the blackboard eraser. When the dust adhering to the blackboard eraser is too much, it will affect the erasing effect of the blackboard eraser on the chalk marks on the blackboard. When the blackboard eraser continues to remove the chalk marks on the blackboard, part of the dust will float in the air or adhere to the clothes of the cleaning personnel, affecting the use and bringing inconvenience to the teaching activities. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model provides the following technical scheme:

[0005] A novel dustless dust-removing blackboard eraser, comprising a shell, a filter plate fixedly connected to the upper end of the inner cavity of the shell, and a partition plate fixedly connected to the lower end of the inner cavity of the shell, an inner wall of the upper end of the shell being provided with a motor, an output end of the motor being fixedly connected with a trace erasing assembly, an outer wall of the upper end of the trace erasing assembly being rotatably connected with the upper end surface of the inner cavity of the shell, and the outer wall of the trace erasing assembly being fixedly connected with a dust removing mechanism, and dust blocking mechanisms being installed at both ends of the shell.

[0006] As an improvement of the above technical scheme, the dust blocking mechanism comprises a dust channel, a moving rod, a second spring, a baffle and a grip plate, the dust channel being formed at both ends of the shell, one end of the moving rod penetrating the inner cavities of both ends of the shell, an outer wall of the moving rod being provided with a limiting plate, and the outer wall of the limiting plate being clamped with the inner cavities of both ends of the shell, the second spring being fixedly connected with the inner cavities of both ends of the shell at the ends close to each other, the ends of the second spring away from each other being fixedly connected with the ends of the limiting plate close to each other, and the inner cavity of the second spring being clamped with the outer wall of the moving rod, one end of the baffle being fixedly connected with the end of the moving rod close to each other, and the outer wall of the baffle being clamped with the inner cavity of the upper end of the dust channel, and the grip plate being fixedly connected with the end of the moving rod away from each other.

[0007] As an improvement to the above technical solution, the trace erasure assembly includes a rotating shaft, fan blades, a cleaning plate, and a brush. The upper end of the rotating shaft is rotatably connected to the upper end face of the inner cavity of the housing, and the upper end of the rotating shaft is fixedly connected to the output end of the motor. The lower end of the rotating shaft penetrates the inner wall of the filter plate and the partition plate and extends to the lower end of the partition plate. The ends of the fan blades that are close to each other are fixedly connected to the outer wall of the rotating shaft. The upper end of the cleaning plate is fixedly connected to the lower end face of the rotating shaft, and the cleaning plate has holes. The upper end of the brush is fixedly connected to the lower end face of the cleaning plate.

[0008] As an improvement to the above technical solution, the dust removal mechanism includes a support plate, a first spring, a telescopic rod, and a cleaning plate. One end of the support plate, which is close to the other end, is fixedly connected to the outer wall of the rotating shaft. The upper end of the first spring is fixedly connected to the lower end face of the support plate. One end of the telescopic rod passes through the inner wall of the first spring and the support plate and extends to the upper end of the support plate. A fixing plate is installed on the lower end face of the telescopic rod, and the fixing plate is fixedly connected to the lower end of the first spring. The lower end of the cleaning plate is fixedly connected to the upper end face of the telescopic rod.

[0009] As an improvement to the above technical solution, a cleaning brush is installed on the upper surface of the cleaning plate, and the upper end of the cleaning brush overlaps with the lower surface of the filter plate.

[0010] As an improvement to the above technical solution, the front of the housing is magnetically connected to the dust removal plate via a magnetic plate, and a handle is connected to the front of the dust removal plate.

[0011] The beneficial effects of this utility model are:

[0012] By having a person hold the dust barrier mechanism and bring the dust barriers closer together, the motor starts and drives the trace erasing component to remove chalk marks on the blackboard. The trace erasing component also drives the dust removal mechanism to rotate and remove dust from the surface of the filter plate, preventing dust from clogging the filter plate and causing the dust to fall onto the barrier plate. This prevents the dust from drifting into the air or adhering to the clothing worn by the person, improving the practicality of the device and providing convenience for teaching activities. Attached Figure Description

[0013] Figure 1 This is a structural diagram of the present utility model;

[0014] Figure 2 This utility model Figure 1 The front view;

[0015] Figure 3 This utility model Figure 2 Top view;

[0016] Figure 4 This utility model Figure 3 Sectional view at point bb;

[0017] Figure 5 For the utility model Figure 2 The sectional view at a-a.

[0018] The figure reference:1, the casing;2, the filter plate;3, the partition;4, the motor;5, trace erasing assembly;51, the pivot;52, the fan blade;53, the dust removal mechanism;531, the support plate;532, the first spring;533, the telescopic link;534, the cleaning plate;54, the cleaning plate;55, the brush;6, the dust partition mechanism;61, the dust channel;62, the moving rod;63, the second spring;64, the baffle;65, the grip plate;7, the dust removal plate. DETAILED DESCRIPTION

[0019] In order to make the utility model purposes, technical scheme and advantages more clearly, following the utility model is further detailed. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] Please refer to Figures 1-5 The utility model provides a technical scheme: a novel dustless dust removal blackboard eraser, including casing 1, the upper end fixed connection of casing 1 inner chamber has filter plate 2, and the lower end fixed connection of casing 1 inner chamber has partition 3, the inner wall of casing 1 upper end is installed with motor 4, the output of motor 4 is fixedly connected with trace erasing assembly 5, and the outer wall of trace erasing assembly 5 upper end is rotatably connected with the upper end surface of casing 1 inner chamber, and the outer wall of trace erasing assembly 5 is fixedly connected with dust removal mechanism 53, and the both ends of casing 1 are installed with dust partition mechanism 6.

[0021] By the personnel hold dust partition mechanism 6 and make dust partition mechanism 6 close to each other, motor 4 is started to drive trace erasing assembly 5 to remove chalk traces on the blackboard, and dust removal mechanism 53 is driven to rotate by the start of trace erasing assembly 5 to remove the dust on the surface of filter plate 2, prevent dust from blocking filter plate 2, make dust fall on partition 3, prevent dust from floating in the air, improve the practicability of the device, provide convenience for teaching activities.

[0022] Specifically, the dust blocking mechanism 6 comprises a dust channel 61, a moving rod 62, a second spring 63, a baffle 64 and a grip plate 65. The dust channel 61 is arranged at both ends of the shell 1. One end of the moving rod 62 penetrates the inner cavities of both ends of the shell 1, and the outer wall of the moving rod 62 is provided with a limiting plate, and the outer wall of the limiting plate is clamped with the inner cavities of both ends of the shell 1. The mutually close ends of the second spring 63 are fixedly connected with the inner cavities of both ends of the shell 1, and the mutually far ends of the second spring 63 are fixedly connected with the mutually close ends of the limiting plate, and the inner cavity of the second spring 63 is clamped with the outer wall of the moving rod 62. One end of the baffle 64 is fixedly connected with the mutually close end of the moving rod 62, and the outer wall of the baffle 64 is clamped with the inner cavity of the upper end of the dust channel 61. The mutually close end of the grip plate 65 is fixedly connected with the mutually far end of the moving rod 62.

[0023] By holding the grip plate 65, the grip plate 65 is brought close to each other, thereby driving the moving rod 62 to be close to each other, and the moving rod 62 drives the baffle 64 to be close to each other, so that the baffle 64 is separated from the dust channel 61, thereby facilitating the entry of dust. When the cleaning is completed, the elastic force of the second spring 63 is used to drive the moving rod 62 to be far away from each other, thereby driving the baffle 64 to be far away from each other and clamped with the dust channel 61, preventing the dust from escaping from the inner cavity of the shell 1 through the dust channel 61, thereby ensuring the stability and effect of the dust absorption of the device.

[0024] Specifically, the trace erasing assembly 5 comprises a rotating shaft 51, a fan blade 52, a cleaning plate 54 and a brush 55. The upper end of the rotating shaft 51 is rotatably connected with the upper end surface of the inner cavity of the shell 1, and the upper end of the rotating shaft 51 is fixedly connected with the output end of the motor 4. The lower end of the rotating shaft 51 penetrates the inner walls of the filter plate 2 and the partition plate 3 and extends to the lower end of the partition plate 3. The mutually close end of the fan blade 52 is fixedly connected with the outer wall of the rotating shaft 51. The upper end of the cleaning plate 54 is fixedly connected with the lower end surface of the rotating shaft 51, and the cleaning plate 54 is provided with a hole. The upper end of the brush 55 is fixedly connected with the lower end surface of the cleaning plate 54.

[0025] The rotation of the motor 4 drives the rotating shaft 51 and the fan blade 52 to rotate. The rotation of the rotating shaft 51 drives the cleaning plate 54 and the brush 55 to rotate to clean the chalk marks on the blackboard. The rotation of the fan blade 52 drives the dust and air to enter the dust channel 61 through the hole arranged on the cleaning plate 54, and then enter the inner part of the shell 1 through the dust channel 61. After that, the dust is filtered by the filter plate 2, and then the dust on the upper end of the filter plate 2 is cleaned by the dust cleaning mechanism 53, thereby saving manpower and time, effectively improving the blackboard cleaning efficiency.

[0026] Specifically, the dust removing mechanism 53 comprises a support plate 531, a first spring 532, an extension rod 533 and a cleaning plate 534, the support plate 531 is fixedly connected with the outer wall of the rotating shaft 51 at the end close to each other, the upper end of the first spring 532 is fixedly connected with the lower end surface of the support plate 531, one end of the extension rod 533 penetrates the inner wall of the first spring 532 and the support plate 531 and extends to the upper end of the support plate 531, the lower end surface of the extension rod 533 is installed with a fixed plate, and the fixed plate is fixedly connected with the lower end of the first spring 532, and the lower end of the cleaning plate 534 is fixedly connected with the upper end surface of the extension rod 533.

[0027] The support plate 531 is rotated by the rotation of the rotating shaft 51, thereby driving the first spring 532 and the extension rod 533 to rotate, the extension rod 533 drives the cleaning plate 534 to rotate, and the cleaning plate 534 is in a lapping state with the filter plate 2 through the elastic force of the first spring 532, thereby ensuring the filtering property of the filter plate 2 to the dust in the air and ensuring the stability of the filter plate 2 to the dust filtering.

[0028] Specifically, the upper end surface of the cleaning plate 534 is installed with a cleaning brush, and the upper end of the cleaning brush is lapped with the lower end surface of the filter plate 2.

[0029] The cleaning brush installed on the upper end of the cleaning plate 534 is rotated by rotating the cleaning plate 534, thereby cleaning the filter plate 2, and the cleaning brush is lapped with the filter plate 2, thereby ensuring the stability of the cleaning plate 534 to the filter plate 2 cleaning.

[0030] Specifically, the front surface of the shell 1 is magnetically connected with the dust discharging plate 7 through a magnetic plate, and the front surface of the dust discharging plate 7 is connected with a handle.

[0031] The dust discharging plate 7 is separated from the shell 1 by the personnel pulling the dust discharging plate 7, thereby facilitating the dust accumulated on the partition plate 3 to be discharged, thereby facilitating the personnel to clean the dust in the shell 1.

[0032] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them.

Claims

1. A novel dust-free blackboard eraser, comprising a housing (1), characterized in that: A filter plate (2) is fixedly connected to the upper end of the inner cavity of the housing (1), and a partition plate (3) is fixedly connected to the lower end of the inner cavity of the housing (1). A motor (4) is installed on the inner wall of the upper end of the housing (1). A trace erasing component (5) is fixedly connected to the output end of the motor (4). The outer wall of the upper end of the trace erasing component (5) is rotatably connected to the upper end face of the inner cavity of the housing (1). A dust removal mechanism (53) is fixedly connected to the outer wall of the trace erasing component (5). A dust isolation mechanism (6) is installed at both ends of the housing (1).

2. The novel dust-free blackboard eraser according to claim 1, characterized in that: The dust isolation mechanism (6) includes a dust channel (61), a moving rod (62), a second spring (63), a baffle (64), and a gripping plate (65). The dust channel (61) is located at both ends of the housing (1). One end of the moving rod (62) passes through the inner cavities at both ends of the housing (1), and a limiting plate is installed on the outer wall of the moving rod (62). The outer wall of the limiting plate is engaged with the inner cavities at both ends of the housing (1). One end of the second spring (63) is close to the housing (1). The inner cavities at both ends are fixedly connected, and the ends of the second spring (63) that are far apart from each other are fixedly connected to the ends of the limiting plate that are close to each other. The inner cavity of the second spring (63) is engaged with the outer wall of the moving rod (62). One end of the baffle (64) is fixedly connected to the end of the moving rod (62) that is close to each other. The outer wall of the baffle (64) is engaged with the inner cavity at the upper end of the dust channel (61). The ends of the grips (65) that are close to each other are fixedly connected to the ends of the moving rod (62) that are far apart from each other.

3. The novel dust-free blackboard eraser according to claim 1, characterized in that: The trace erasure assembly (5) includes a rotating shaft (51), fan blades (52), a cleaning plate (54), and a brush (55). The upper end of the rotating shaft (51) is rotatably connected to the upper end face of the inner cavity of the housing (1), and the upper end of the rotating shaft (51) is fixedly connected to the output end of the motor (4). The lower end of the rotating shaft (51) penetrates the inner wall of the filter plate (2) and the partition plate (3) and extends to the lower end of the partition plate (3). The ends of the fan blades (52) that are close to each other are fixedly connected to the outer wall of the rotating shaft (51). The upper end of the cleaning plate (54) is fixedly connected to the lower end face of the rotating shaft (51), and the cleaning plate (54) has holes. The upper end of the brush (55) is fixedly connected to the lower end face of the cleaning plate (54).

4. The novel dust-free blackboard eraser according to claim 1, characterized in that: The dust removal mechanism (53) includes a support plate (531), a first spring (532), a telescopic rod (533), and a cleaning plate (534). The ends of the support plates (531) that are close to each other are fixedly connected to the outer wall of the rotating shaft (51). The upper end of the first spring (532) is fixedly connected to the lower end face of the support plate (531). One end of the telescopic rod (533) passes through the inner wall of the first spring (532) and the support plate (531) and extends to the upper end of the support plate (531). A fixing plate is installed on the lower end face of the telescopic rod (533), and the fixing plate is fixedly connected to the lower end of the first spring (532). The lower end of the cleaning plate (534) is fixedly connected to the upper end face of the telescopic rod (533).

5. A novel dust-free blackboard eraser according to claim 4, characterized in that: A cleaning brush is installed on the upper surface of the cleaning plate (534), and the upper end of the cleaning brush overlaps with the lower surface of the filter plate (2).

6. The novel dust-free blackboard eraser according to claim 1, characterized in that: The front of the housing (1) is magnetically connected to the dust removal plate (7) via a magnetic plate, and a handle is connected to the front of the dust removal plate (7).

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