CN210851817U

CN210851817U - Rotary blackboard eraser ash removal device

Info

Publication number: CN210851817U
Application number: CN201921086924.2U
Authority: CN
Inventors: 于竞航; 徐佳银
Original assignee: Shenyang Normal University
Current assignee: Shenyang Normal University
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-06-26
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a rotation type blackboard eraser ash removal device, include: collect box, propelling movement frame, blackboard eraser mount, U-shaped support frame, a plurality of roll a section of thick bamboo, a plurality of cleaning brush and bottom, it has the through-hole that is used for bearing to collect box lower surface processing, it has the blackboard eraser import to collect box upper surface processing, the U-shaped support frame is located the bottom upper surface, just be located collect the box in, U-shaped support frame both sides all processing has the bearing through-hole. This rotation type blackboard eraser ash removal device drives the brush through going up and down to rotate for the brush stretches into the inside dust that clears up of blackboard eraser, seals up the collection to the dust simultaneously, and convenient to detach clears up, and the elasticity extrusion is vibrate, increases dust removal effect, and it is also more convenient to use, the device that the structure is fairly simple.

Description

Rotary blackboard eraser ash removal device

Technical Field

The utility model relates to an deashing field provides a rotation type blackboard eraser ash removal device very much.

Background

The ash removal is the operation of cleaning dust.

In order to facilitate students to better understand the knowledge taught by teachers, the teachers are required to write key knowledge points on the blackboard for the students to copy back and review, in order to facilitate the reutilization of the blackboard, chalk is used for writing on the blackboard, then the blackboard is erased through the blackboard eraser, a large amount of dust is left on the blackboard eraser after the chalk eraser is erased, in order to facilitate the long-term reuse of the blackboard eraser, the blackboard eraser is discharged through the operation of colliding and the like after the blackboard is erased every time, but because the particles of the dust are small, the dust is easy to be sucked into nasal cavities and oral cavities by people without being cleaned by sealed collision, the health of the people is threatened, the traditional operation of cleaning the dust is manual operation, and because the chalk contains alkaline substances, the safety of the contact hand part to the skin of the hand part is also influenced, if the shielding object is utilized to shield or the dust is directly cleaned in a sealed space, the dust is not sucked into the body, but the dust is also troublesome to clean, so that the dust cleaning device is necessary to design a device for cleaning and hermetically collecting the dust through lifting and rotating in order to solve the problems and facilitate the teaching of teachers and the safety of people.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the above problem, the utility model aims to provide a rotation type blackboard eraser ash removal device.

The utility model provides a technical scheme is: a rotary blackboard eraser ash removal device comprises: a collecting box, a pushing frame, a blackboard eraser fixing frame, a U-shaped supporting frame, a plurality of rolling cylinders, a plurality of cleaning brushes and a bottom cover, the lower surface of the collecting box is provided with a through hole for bearing the bottom cover, the upper surface of the collecting box is provided with a blackboard eraser inlet, the U-shaped support frame is positioned on the upper surface of the bottom cover and in the collecting box, bearing through holes are processed on both sides of the U-shaped support frame, a plurality of rolling cylinders are uniformly positioned in the bearing through holes, each cleaning brush is sleeved on the rolling cylinder and rotates along with the rolling cylinder, the pushing frame is not connected with the collecting box and can move up and down in the U-shaped supporting frame through the blackboard eraser inlet, the blackboard eraser fixing frame is positioned at the middle lower end of the pushing frame and used for intercepting the blackboard eraser on two sides, and the bottom cover extends into the collecting box and is matched with the inner height of the collecting box.

Preferably, every face of blackboard eraser mount all includes stiff end and expansion end, every the expansion end with be the couple connection between the promotion frame.

Further preferably, the lower surface of the bottom cover further comprises a foot pad for increasing friction.

Further preferably, the bottom cover and the collecting box are connected in a movable clamping mode.

Further preferably, each of the cleaning brushes is a hard, long-bristle cleaning brush.

Further preferably, the lower end of the pushing frame is provided with a limiting frame, and the length of the limiting frame is greater than that of the blackboard eraser inlet.

Further preferably, the lower surface of the limiting frame further comprises a spring which is in contact with the center of the upper surface of the U-shaped supporting frame.

The utility model provides a rotation type blackboard eraser ash removal device, one kind drives the brush through going up and down and rotates for the brush stretches into the inside dust that clears up of blackboard eraser, seals up the collection to the dust simultaneously, and convenient to detach clears up, and elasticity extrusion is vibrate, increases dust removal effect, and it is also more convenient to use, the device that the structure is also simpler.

Drawings

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

FIG. 1 is a schematic structural view of a rotary blackboard eraser ash removal device;

FIG. 2 is a cross-sectional side view of the U-shaped support frame and the cleaning brush in the rotary blackboard eraser ash removal device;

FIG. 3 is a top sectional view of the pushing frame, the blackboard eraser fixing frame and the limiting frame of the rotary blackboard eraser soot cleaning device;

FIG. 4 is a front view of the rotary blackboard eraser soot cleaning device;

FIG. 5 is a top view of the U-shaped support frame, the cleaning brush and the bottom cover of the rotary blackboard eraser ash removal device;

FIG. 6 is a front sectional view showing the assembly of the blackboard eraser holder, the U-shaped support frame, the rolling cylinder and the cleaning brush in the rotary blackboard eraser ash removal device;

FIG. 7 is a partially enlarged view of the limiting frame and the spring in the ash removing device of the rotary blackboard eraser;

in the figure: 1. a collection box; 2. a pushing frame; 3. a blackboard eraser fixing frame; 4. a U-shaped support frame; 5. a rolling cylinder; 6. cleaning the brush; 7. a bottom cover; 8. a foot pad; 9. a restraint frame; 10. a spring.

Detailed Description

The invention will be further explained below with reference to specific embodiments, without limiting the invention.

As shown in fig. 1-7, the utility model provides a rotary blackboard eraser ash removal device, include: the blackboard eraser comprises a collecting box 1, a pushing frame 2, a blackboard eraser fixing frame 3, a U-shaped supporting frame 4, a plurality of rolling cylinders 5, a plurality of cleaning brushes 6 and a bottom cover 7, wherein through holes for bearing the bottom cover 7 are processed on the lower surface of the collecting box 1, a blackboard eraser inlet is processed on the upper surface of the collecting box 1, the U-shaped supporting frame 4 is positioned on the upper surface of the bottom cover 7 and positioned in the collecting box 1, bearing through holes are processed on two sides of the U-shaped supporting frame 4, the rolling cylinders 5 are uniformly positioned in the bearing through holes, each cleaning brush 6 is sleeved on the rolling cylinder 5 and rotates along with the rolling cylinder, the pushing frame 2 is not connected with the collecting box 1 and moves up and down in the U-shaped supporting frame 4 through the blackboard eraser inlet, the blackboard eraser fixing frame 3 is positioned at the middle lower end of the pushing frame 2 and intercepts the blackboard eraser on two sides, the height of the bottom cover 7 extending into the collection box 1 is matched with the height of the interior of the collection box 1, when dust cleaning operation is carried out, the blackboard eraser is vertically placed on two sides of the push frame 2, the blackboard eraser is fixed through the blackboard eraser fixing frame 3 at the upper end, the blackboard eraser enters the collection box 1 through the blackboard eraser inlet positioned on the upper surface of the collection box 1, the push frame 2 is lifted back and forth in the collection box 1 through manpower to drive the blackboard erasers on two sides to lift, when the blackboard erasers are lifted, a plurality of rolling cylinders 5 positioned on two sides in the U-shaped support frame 4 rotate on the fixed positions per se to drive the cleaning brushes 6 positioned on each rolling cylinder 5 to rotate, so that each cleaning brush 6 continuously extends into the interior of the blackboard eraser in the rotating process to clean dust mixed with the interior of the blackboard eraser, the dust collection box comprises a push frame 2, a collecting box 1, a U-shaped support frame 4, a bottom cover 7 and a bottom cover 7, wherein the push frame 2 is repeatedly lifted and lowered to enable a cleaning brush 6 to extend into the blackboard eraser for multiple times, dust is pushed out through rotation in the process of cleaning dust, the collecting box 1 is sealed and does not splash, the effect of collecting dust in the city is good, the blackboard eraser fixing frame 3 is only used for fixing the blackboard eraser and the push frame 2, the bottom cover 7 is sleeved at the lower end of the collecting box 1 and is used for supporting the U-shaped support frame 4 at the bottom, when the bottom cover 7 is separated from the collecting box 1, the U-shaped support frame 4 is also far away from the inside of the collecting box 1, the cleaning brush 6 in the U-shaped support frame 4 is convenient to be well cleaned from the outside, the bottom cover 7 is also convenient for collecting the bottom end of the cleaning dust intercepted in the collecting box 1, and, the bottom cover 7 is manually cleaned after being taken away, and the bottom cover is not shielded at the moment, so that the bottom cover is convenient to clean.

As the improvement of technical scheme, 3 every faces of blackboard eraser mount all include stiff end and expansion end, every the expansion end with it connects to be the couple between the pushing frame 2, and the stiff end is exactly cliping the blackboard eraser, and the expansion end is the couple formula, is convenient for put into the blackboard eraser after be connected with pushing frame 2 for fixed and restriction is good.

As an improvement of the technical solution, the lower surface of the bottom cover 7 further comprises a foot pad 8 for increasing friction, the foot pads 8 on the lower surface of the bottom cover 7 are only used for supporting the bottom cover 7, and are also convenient to have a certain distance from a supporting surface, so that a hand can be conveniently inserted into the distance, and the collection box 1 and the bottom cover 7 can be conveniently separated, wherein the foot pads 8 include but are not limited to rubber blocks and the like.

As an improvement of the technical scheme, the bottom cover 7 and the collecting box 1 are movably clamped and connected, and clamping is direct movable sleeving, so that the collecting box is convenient to detach and install.

As the improvement of the technical scheme, each cleaning brush 6 is a hard long-hair cleaning brush 6, most of the hard long hairs can conveniently extend into the blackboard eraser, dust can be cleaned better, and the hard service life is prolonged.

As an improvement of the technical scheme, the lower end of the pushing frame 2 is provided with a limiting frame 9, the length of the limiting frame 9 is greater than that of the blackboard eraser inlet, and the limiting frame 9 is intercepted inside the blackboard eraser inlet when the pushing frame 2 is continuously lifted, so that the pushing frame 2 cannot rise to the inside of the removing and collecting box 1, and the use is convenient.

As the improvement of the technical scheme, the lower surface of the limiting frame 9 further comprises a spring 10 which is in contact with the center of the upper surface of the U-shaped supporting frame 4, and the spring 10 which is arranged on the lower surface of the limiting frame 9 is convenient to contact with the upper surface of the U-shaped supporting frame 4 when the pushing frame 2 descends to the lowest point, when the spring 10 is extruded, manual pulling is not needed in the ascending stage, the pushing frame 2 can be bounced upwards through the reaction force of the spring 10, when the pushing frame bounces, the limiting frame 9 is intercepted in the blackboard eraser inlet, the back-and-forth movement in a certain vertical range is convenient, the use is convenient, and in the back-and-forth bounced period, the vibration condition also occurs, so that dust which is not completely cleaned up is more conveniently vibrated out, and the cleaning is thorough.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a rotation type blackboard eraser ash removal device which characterized in that includes: the blackboard eraser comprises a collecting box (1), a pushing frame (2), a blackboard eraser fixing frame (3), a U-shaped supporting frame (4), a plurality of rolling cylinders (5), a plurality of cleaning brushes (6) and a bottom cover (7), wherein through holes for bearing the bottom cover (7) are machined in the lower surface of the collecting box (1), a blackboard eraser inlet is machined in the upper surface of the collecting box (1), the U-shaped supporting frame (4) is positioned on the upper surface of the bottom cover (7) and positioned in the collecting box (1), bearing through holes are machined in two sides of the U-shaped supporting frame (4), the rolling cylinders (5) are uniformly positioned in the bearing through holes, each cleaning brush (6) is sleeved on the rolling cylinder (5) and rotates along with the rolling cylinder, the pushing frame (2) and the collecting box (1) are not connected and are lifted and moved in the U-shaped supporting frame (4) through the blackboard eraser inlet, the blackboard eraser fixing frame (3) is positioned at the middle lower end of the pushing frame (2) and intercepts the blackboard eraser from two sides, and the bottom cover (7) extends into the collecting box (1) and is matched with the inner height of the collecting box (1).

2. The rotary blackboard eraser ash removal device according to claim 1, wherein each face of the blackboard eraser fixing frame (3) comprises a fixed end and a movable end, and each movable end is connected with the pushing frame (2) through a hook.

3. The rotary blackboard eraser ash removal device according to claim 1, wherein the lower surface of the bottom cover (7) further comprises a foot pad (8) for increasing friction.

4. The rotary blackboard eraser soot cleaning device according to claim 1, wherein the bottom cover (7) is movably connected with the collecting box (1) in a clamping manner.

5. A rotary blackboard eraser ash removal device according to claim 1, characterized in that each cleaning brush (6) is a hard long-haired cleaning brush (6).

6. The rotary blackboard eraser soot cleaning device according to claim 1, wherein a limiting frame (9) is provided at the lower end of the pushing frame (2), and the length of the limiting frame (9) is greater than the length of the blackboard eraser inlet.

7. A rotary blackboard eraser ash removal device according to claim 6, characterized in that the lower surface of the limiting frame (9) also includes a spring (10) contacting with the center of the upper surface of the U-shaped support frame (4).