CN213831154U

CN213831154U - Dust removal blackboard eraser of teaching usefulness

Info

Publication number: CN213831154U
Application number: CN202022814599.6U
Authority: CN
Inventors: 张朋炬; 申绿化; 张仕骏; 张�杰; 李羚源; 刘雪杰; 刘伟东; 王双玉; 徐冉冉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-30
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a dust removal blackboard eraser of teaching usefulness which characterized in that: including the main part support with install the exhaust system who takes out the dust on the main part support, carry out the collection system of collecting to the dust, be located the handle of main part support top, be located the main part support bottom clean the system and be located the inside cleaning system that cleans the dust of main part support to the blackboard, cleaning system sets up the below at exhaust system, the utility model relates to a dust removal blackboard eraser has characteristics such as swift, clean, high-efficient dust removal, cleans the blackboard more laborsavingly, and the dust also can be quick at the same time is collected, and unified processing avoids environmental pollution, has protected teachers and students' health safety.

Description

Dust removal blackboard eraser of teaching usefulness

Technical Field

The utility model relates to a blackboard eraser field, especially a dust removal blackboard eraser of school's teaching usefulness.

Background

The chalk is nontoxic, but the chalk dust is harmful! The fine particles of chalk dust have strong bacteria adsorption capacity, and the components of the chalk are alkaline substances. Harmful germs and alkaline substances easily cause inflammation on the skin of teachers and students and respiratory systems, such as the nose, throat, trachea, bronchus and other parts, and seriously cause damage to the lung and the kidney. Students are responsible for blackboard erasing tasks and stay in the classroom from morning to evening, and chalk dust is more dangerous to the health of immature students with poor resistance. Therefore, it is necessary to design a blackboard eraser which can remove dust, can rapidly collect dust to avoid environmental pollution and protect the health of teachers and students.

Disclosure of Invention

In order to overcome the defects of the prior art of the blackboard eraser, the invention aims to provide the blackboard eraser which can remove dust efficiently and can collect dust at the same time.

The utility model adopts the following technical proposal to realize. According to the utility model provides a dust removal blackboard eraser for teaching, including the main part support and install exhaust system, collection system, handle, the cleaning system that is located the main part support bottom and the cleaning system that is located the main part support inside on the main part support, the main part support includes that the front and back left three side all is provided with the main part support main frame of baffle, the handle is installed above the main part support main frame and its inside installs the built-in power supply for exhaust system and cleaning system power supply; the air exhaust system comprises a second fixing frame, a first fixing frame and an exhaust fan arranged in the second fixing frame through the first fixing frame are arranged in the second fixing frame, and two first connecting frames fixedly connected with the main frame of the main body support are arranged on two sides of the second fixing frame;

the cleaning system is arranged below the air draft system and comprises a second connecting frame with two ends fixedly connected with the main body support and hole yarns arranged inside the main body support through the second connecting frame, a motor gear fixing frame is arranged on the main body support, a shaft coupling, a shaft and a second pin shaft are further arranged inside the motor gear fixing frame, a motor is arranged on one side of the motor gear fixing frame, a motor output shaft is connected with the shaft coupling, the shaft coupling penetrates through the side wall of the motor gear fixing frame, a first large straight gear is arranged at the end part far away from the motor, the shaft and the second pin shaft respectively penetrate through the side wall of the motor gear fixing frame and are respectively provided with a small straight gear meshed with the first large straight gear and a second large straight gear meshed with the small straight gear, a hole for the second pin shaft to pass through so as to enter the main body support is formed in a side baffle plate of the cleaning system, and a lead screw is further arranged on the second pin shaft in the main body support, limiting blocks are arranged on two sides of the screw rod, and cotton brushes which can do linear motion on the screw rod and the bottoms of which are attached to the hole yarns are also arranged in the middle of the two limiting blocks;

the collecting system comprises a collecting box for collecting dust, an opening is formed in one side of the collecting box, the collecting box is arranged on the right side of the main body support in a direction that the opening faces the interior of the main body support, the collecting system further comprises a first shaft fixing frame and a second shaft fixing frame which are fixedly connected to the side portion of the main body support, collecting box fixing shafts are arranged on the first shaft fixing frame and the second shaft fixing frame, and the collecting box is arranged on the collecting box fixing shafts through a collecting box connecting frame;

the wiping system comprises a wiping plate and a fixed block, wherein the wiping plate is arranged at the bottom of the main body bracket, the fixed block is provided with a plurality of rectangular through holes, the fixed block is fixedly connected with the side edges of the main body bracket main frame, a spring is arranged on the wiping plate, and one end, far away from the wiping plate, of the spring is provided with a fixed block connecting frame and is connected with the fixed block through the fixed block connecting frame.

Furthermore, limit switches and angle irons are further installed inside the main body support.

Further, a power supply pressing switch which can be started when being squeezed by the wiping system is further arranged at the bottom of the main frame of the main body bracket.

Borrow by above-mentioned technical scheme, the utility model has the advantages that: effectively solves the problem that the chalk dust flies all around. The dust removal blackboard eraser is mainly applied to erasing a blackboard and has the characteristics of quickness, cleanness, high-efficiency dust removal and the like. Because this dust removal blackboard eraser has exhaust system, cleaning system and collection system, so clean the blackboard more laborsavingly, dust also can be quick at the same time is collected, and unified processing avoids environmental pollution, has protected teachers and students' health safety.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a dust-removing blackboard eraser for teaching of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of an air exhaust system in the dust-removing blackboard eraser for teaching of the present invention;

FIG. 4 is a schematic structural view of a cleaning system in a dust-removing blackboard eraser for teaching of the present invention;

FIG. 5 is a schematic structural view of a dust-collecting blackboard eraser collecting system for teaching of the present invention;

FIG. 6 is a schematic structural view of a wiping system in a dust-collecting blackboard eraser for teaching according to the present invention;

FIG. 7 is a schematic structural view of a main body bracket of the dust-removing blackboard eraser for teaching of the present invention;

[ reference numerals ]

1-an air draft system, 101-an exhaust fan, 102-a first fixing frame, 103-a second fixing frame, 104-a first connecting frame, 2-a cleaning system, 201-a motor, 202-a coupler, 203-a motor gear fixing frame, 204-a first big spur gear, 205-a second big spur gear, 206-a small spur gear, 207-a first pin shaft, 208-a shaft, 209-a second pin shaft, 210-a first limiting block, 211-a second limiting block, 212-a lead screw, 213-a cotton brush, 214-a hole yarn, 215-a second connecting frame, 3-a collecting system, 301-a first shaft fixing frame, 302-a second shaft fixing frame, 303-a collecting box fixing shaft, 304-a collecting box, 305-a collecting box connecting frame, 306-a knob, 4-a wiping system, 401-spring, 402-fixed block connecting frame, 403-fixed block, 404-wiping plate, 5-main body bracket, 501-angle iron, 502-main body bracket limit switch, 503-baffle, 504-main body bracket main frame and 6-handle.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the objectives of the present invention, the following detailed description will be made with reference to the accompanying drawings and preferred embodiments of the present invention for the specific embodiments, structures, features and effects of the blackboard eraser for teaching purpose.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1, 2 and 7, a dust-removing blackboard eraser for teaching includes an air draft system 1, a cleaning system 2, a collecting system 3, a wiping system 4, a main body bracket 5 and a handle 6. As shown in fig. 1 and 6, the main body frame 5 includes a main body frame 504, the main body frame 504 is provided with baffles 503 on four sides of the main body frame, the main body frame 5 is sealed on the sides, and the ventilation system 1, the cleaning system 2, the wiping system 4 and the baffles 503 form a chamber inside the main body frame 5. A main body bracket limit switch 502 and an angle iron 501 are further mounted inside the main body bracket 5, the angle iron 501 is welded on one baffle 503, and the main body bracket limit switch 502 is fixed on the angle iron 501; the handle 6 is installed above the main body support main frame 504, the handle 6 is internally provided with a built-in power supply which supplies power to the air draft system 1 and the collecting system 3 respectively, the bottom of the handle 6 is fixedly connected with the upper end of the main body support main frame 504, the bottom of the main body support main frame 504 is also provided with a press switch, and the built-in power supply can be started when the handle is extruded by the wiping system 4.

Referring to fig. 1, 2 and 3, the air exhaust system 1 includes an exhaust fan 101, a first fixing frame 102, a second fixing frame 103, and two first connecting frames 104, the two first connecting frames 104 are fixedly installed at two sides of the second fixing frame 103, the air exhaust system 1 is installed inside the upper end face of the main frame 504 of the main body bracket through the second fixing frame 103 and the first connecting frames 104, the second fixing frame 103 is further installed with the first fixing frame 102, the first fixing frame 102 is a cross fixing frame, the exhaust fan 101 is rotatably installed at the central position inside the second fixing frame 103 through the first fixing frame 102, and the exhaust fan 101 can rotate when a power supply is built in.

Referring to fig. 1, 2 and 4, the sweeping system 2 is installed inside the main body frame 5 and below the air extracting system 1, so as to separate the air extracting system 1 from other positions inside the main body frame 5 and prevent dust from being extracted along with air. The cleaning system 2 comprises a motor 201, a coupler 202, a motor gear fixing frame 203, a first large spur gear 204, a second large spur gear 205, a small spur gear 206, a first pin shaft 207, a shaft 208, a second pin shaft 209, a first limiting block 210, a second limiting block 211, a lead screw 212, a cotton brush 213, a hole yarn 214 and two second connecting frames 215, wherein two ends of each second connecting frame 215 are fixedly connected with side edges of a main frame 504 of a main body support, and the middle of each second connecting frame 215 is provided with the hole yarn 214 capable of blocking dust. The motor gear fixing frame 203 is fixedly arranged on the main body support 5, a coupler 202, a shaft 208 and a second pin roll 209 are arranged inside the motor gear fixing frame 203, the motor 201 is arranged on one side of the motor gear fixing frame 203, an output shaft of the motor 201 is connected with the coupler 202, one side, far away from the motor 201, of the coupler 202 penetrates through the side wall of the motor gear fixing frame 203 and is provided with a first large spur gear 204 through a first pin roll 207, one side, far away from the motor 201, of the shaft 208 penetrates through the side wall of the motor gear fixing frame 203 and is provided with a small spur gear 206 meshed with the first large spur gear 204, and the second pin roll 209 penetrates through the side wall of the motor gear fixing frame 203 and is provided with a second large spur gear 205 meshed with the small spur gear 206. The output shaft of the motor 201 can drive the second big spur gear 205 to rotate when rotating, and the second big spur gear 205 can drive the second pin 209 to rotate when rotating. The hole that supplies second round pin axle 209 to pass through is seted up to the left baffle 503 of main part support 5, and round pin axle 209 gets into inside the main part support 5 through this sky, and lead screw 212 has still been cup jointed to the one end that motor 201 was kept away from to second round pin axle 209, and lead screw 212 both ends all are provided with first stopper 210 and second stopper 211, still installs cotton brush 213 on the lead screw 212, and the bottom and the hole yarn 214 of cotton brush 213 closely laminate. The first limiting block 210 and the second limiting block 211 can limit the movement position of the cotton brush 213 on the screw rod 212, and the motor 201 can drive the first big spur gear 204, the small spur gear 206 and the second big spur gear 205 of the motor to rotate when rotating, so as to drive the second pin shaft 209 and the screw rod 212 to rotate, and then the cotton brush 213 makes linear motion on the screw rod 212 to clean the hole yarn 214 with dust.

Referring to fig. 1, 2 and 5, the collecting system 3 includes a first shaft fixing frame 301, a second shaft fixing frame 302, a collecting box fixing shaft 303, a collecting box 304 and a collecting box connecting frame 305, wherein an opening is formed on one side of the collecting box 304, two collecting box connecting frames 305 are arranged at the bottom of the other side of the collecting box 304 and are installed on the collecting box fixing shaft 303 through the collecting box connecting frames 305, a knob 306 capable of driving the collecting box fixing shaft 303 and the collecting box 304 to rotate is arranged at one end of the collecting box fixing shaft 303, the first shaft fixing frame 301 is arranged at the other end of the collecting box fixing shaft 303, the second shaft fixing frame 302 is further arranged at a position adjacent to the knob 306, and the first shaft fixing frame 301 and the second shaft fixing frame 302 are further fixedly connected with the right side of the main body support 5. The collection box 304 is provided with an opening at one side, and when the blackboard eraser is used for dust removal, the collection box 304 is turned to the direction of opening to the outside by rotating the knob 306 at the end of the blackboard erasing so that the right side of the main body frame 5 is closed by being mounted at the right side of the main body frame in the direction of opening to the inside of the main body frame 5, and the dust collected inside is poured out.

Referring to fig. 2 and 6, the wiping system 4 includes a spring 401, a fixing block connecting frame 402, a fixing block 403, and a wiping plate 404, the wiping plate 404 is installed at the bottom of the main body bracket 5, and a plurality of rectangular through holes are formed in the wiping plate 404, two springs 401 are installed on the wiping plate 404, the fixing block connecting frame 402 is fixedly connected to the upper ends of the two springs 401, one end of the fixing block connecting frame 402, which is far away from the springs 401, is further connected to the fixing block 403, and the fixing block 403 is fixedly connected to the side edge of the main body bracket main frame 504.

The working principle of the utility model is as follows:

when the blackboard eraser is used, the wiping plate 404 of the wiping system 4 is tightly attached to the blackboard surface, the spring 401 shrinks when the blackboard eraser is pressed by a little force, the wiping plate 404 shrinks inwards, the wiping plate 404 squeezes the press switch to start the built-in power supply, the exhaust fan 101 in the air exhaust system 1 rotates at high speed to suck dust generated by wiping the blackboard into the cavity through the through hole in the wiping plate 404, the dust is adsorbed on the hole yarns 214 of the cleaning system 2 under the action of the exhaust fan 101, meanwhile, the cotton brush 213 tightly attaches to the hole yarns 214 to do reciprocating linear motion under the action of the motor 201 to sweep the dust adsorbed on the surface of the hole yarns 214 into the dust collection box 304, the power supply is disconnected after the blackboard is wiped, the air exhaust system 1 and the cleaning system 2 stop running, the collection box 304 is rotated to be opened towards the outside by the rotating knob 306, and the dust collected in the dust collection box is poured into the garbage can.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.

Claims

1. The utility model provides a dust removal blackboard eraser of teaching usefulness which characterized in that: the cleaning device comprises a main body support, an air draft system, a collecting system, a handle, a cleaning system and a cleaning system, wherein the air draft system, the collecting system, the handle, the cleaning system and the cleaning system are arranged on the main body support; the air exhaust system comprises a second fixing frame, a first fixing frame and an exhaust fan arranged in the second fixing frame through the first fixing frame are arranged in the second fixing frame, and two first connecting frames fixedly connected with the main frame of the main body support are arranged on two sides of the second fixing frame;

2. The dust removal blackboard eraser for teaching according to claim 1, wherein: the inside main part support limit switch and the angle bar of still installing of main part support.

3. The dust removal blackboard eraser for teaching according to claim 1, wherein: the bottom of the main frame of the main body bracket is also provided with a built-in power supply push switch which can be started when being squeezed by the wiping system.