CN109203796B - Closed blackboard eraser box - Google Patents
Closed blackboard eraser box Download PDFInfo
- Publication number
- CN109203796B CN109203796B CN201811262581.0A CN201811262581A CN109203796B CN 109203796 B CN109203796 B CN 109203796B CN 201811262581 A CN201811262581 A CN 201811262581A CN 109203796 B CN109203796 B CN 109203796B
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- Prior art keywords
- blackboard eraser
- eraser
- box body
- groove
- wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a closed blackboard eraser box, which comprises a blackboard eraser board and a blackboard eraser box body, wherein blackboard eraser cotton is bonded on the surface of the blackboard eraser board, a supporting plate is in joggle joint with the inner wall of the blackboard eraser box body, a supporting rod is welded on the surface of the supporting plate, a motor is fixedly connected on the surface of the supporting rod, an output shaft of the motor is fixedly connected with a rotating shaft through a coupler, fan blades are welded on the surface of the rotating shaft, a vibrating tube is sleeved on the surface of the rotating shaft, a limiting rod is welded on the surface of the supporting plate, the surface of the limiting rod is L-shaped, a limiting groove is formed in the surface of the vibrating tube, and one end of the limiting. This closed blackboard eraser box simple structure uses netted elasticity mechanism resonance blackboard eraser, and the dust on blackboard eraser surface that can be high-efficient comprehensive clears away reduces the influence of dust to teachers and students to effectual present blackboard eraser of having solved when the chalk dust that drops, the dust is difficult to drop, and the problem of the healthy of teachers and students is seriously influenced to the dust that drifts about.
Description
Technical Field
The invention relates to the technical field of stationery, in particular to a closed eraser box.
Background
The blackboard eraser is suitable for stationery for erasing a blackboard, the blackboard eraser must be used for erasing the blackboard in the process of writing on a teaching blackboard, thick chalk dust can be adsorbed on the surface of the blackboard eraser in the process, the chalk dust on the blackboard eraser needs to be cleaned frequently, otherwise, the blackboard is not convenient to erase cleanly, the chalk dust is mainly cleared away by flapping at present, although dust on the blackboard eraser can be cleared away, the flapping surface of the blackboard eraser is in tight contact with the flapped surface, the dust cannot fall off quickly and efficiently, a large amount of dust generated in the flapping process also has the problem of influencing the health of teachers and students, the dust is not easy to fall off when the chalk dust falls off in the current blackboard eraser, and the scattered dust seriously influences the health of the teachers and students, so a closed blackboard eraser box is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a closed blackboard eraser box, which solves the problems that when the chalk dust falls off from the existing blackboard eraser, the dust is not easy to fall off, and the scattered dust seriously influences the health of teachers and students.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a closed blackboard eraser box comprises a blackboard eraser board and a blackboard eraser box body, wherein blackboard eraser cotton is bonded on the surface of the blackboard eraser board, a supporting plate is joggled on the inner wall of the blackboard eraser box body, a supporting rod is welded on the surface of the supporting plate, a motor is fixedly connected with the surface of the supporting rod, an output shaft of the motor is fixedly connected with a rotating shaft through a coupler, a fan blade is welded on the surface of the rotating shaft, a vibrating tube is sleeved on the surface of the rotating shaft, a limiting rod is welded on the surface of the supporting plate, the surface of the limiting rod is L-shaped, a limiting groove is formed in the surface of the vibrating tube, one end of the limiting rod is connected with the inner wall of the limiting groove in a sliding manner, a plurality of high-elasticity rubber ribs are bonded on the inner wall of the blackboard eraser box body, the high-elasticity rubber ribs are woven into a net shape in a criss-cross manner, a vibrating plate is bonded on the middle of the net woven, the inner wall of vibrations pipe is inlayed and is had movable pearl, decline groove has been seted up on the surface of pivot, perpendicular groove has been seted up on the surface of pivot, the annular has been seted up on the surface of pivot, communicate each other between decline groove, perpendicular groove and the annular, the activity pearl slides on the inner wall of decline groove, perpendicular groove and annular, the entry has been seted up at the surperficial top of blackboard eraser box body, the surface of blackboard eraser box body articulates there is the baffle, the tiny through-hole of a plurality of has been seted up to the inner wall of blackboard eraser box body, the inner wall overlap joint of blackboard eraser box body has the holding tank.
Preferably, the material that the blackboard eraser is continuous includes the sponge, the continuous inside of blackboard eraser is inlayed and is had a plurality of spring, the continuous surface parcel one deck cloth of blackboard eraser, sponge and spring all have elasticity, when patting the dust, do benefit to and produce great resonance, make things convenient for dropping of dust, and the cloth plays the guard action to the blackboard eraser silk floss.
Preferably, the vibration tube is located above the fan blades, and the vibration tube is located below the vibration plate.
Preferably, a battery groove is formed in the surface of the eraser box body, a battery is mounted on the inner wall of the battery groove, an electric switch is fixedly mounted on the surface of the eraser box body, the output end of the electric switch is electrically connected with the output end of the battery, and the input end of the electric switch is electrically connected with the input end of the motor.
Preferably, the movable bead is clamped on the inner wall of the vibration tube and can rotate, and the movable bead is spherical and can rotate to reduce friction.
Preferably, the length and the width of the inlet are the same as those of the inner wall of the eraser box body, the length and the width of the eraser wood plate are respectively greater than those of the inlet, the length and the width of the eraser cotton are respectively less than those of the inlet, the inlet can be completely shielded by the eraser wood plate, the eraser cotton is not contacted with the inner wall in the eraser box body, and the effect that the inner wall influences vibration can be avoided.
Preferably, the through hole is lower than the fan in position in the eraser box, the accommodating groove is located below the supporting plate, the through hole is located below the fan, and when the fan generates wind power, the through hole enters the air into the eraser box from the outside, so that the wind power blowing to the eraser is stronger.
Preferably, the upper surface of the blackboard eraser box body is wrapped with a layer of iron sheet, two soft magnetic strips are bonded on the surface of the blackboard eraser board and adsorbed together with the upper surface of the blackboard eraser box body, and the blackboard eraser is prevented from being bounced away in the process of flapping.
(III) advantageous effects
(1) The motor is used for driving the rotating shaft to rotate, when the rotating shaft rotates, the movable beads slide on the inner bottom wall of the annular groove in a fit mode, when the movable beads meet the descending groove, the movable beads slide into the descending groove, then the rotating shaft continues to rotate, the movable beads descend on the inner wall of the descending groove, the movable beads drive the vibrating tube to descend together, then the vibrating tube drives the vibrating plate to descend, when the rotating shaft rotates to the point that the movable beads enter the vertical groove, the vibrating tube is lowered to the minimum and rapidly ascends and bounces under the action of the elastic force of the high-elasticity rubber band, the vibrating plate and the high-elasticity rubber band rapidly ascend and bounces to directly flap the surface of the sponge of the blackboard eraser, dust on the blackboard eraser is knocked off, the reticular vibrating plate elastically flaps the blackboard eraser, and accordingly dust can fall off in a larger space on the surface of the blackboard eraser, and the effect of comprehensively and rapidly dropping.
(2) When the dust collecting device is used, water is filled in the containing groove, the motor drives the rotating shaft to rotate, the rotating shaft drives the fan blades to rotate, the fan blades generate upward wind power, the wind blows to the surface of the eraser cotton, so that falling dust cannot be attached to the surface of the eraser cotton, upward wind blows dust carried by a user to the inside of the containing groove under the reverse pushing action of the eraser cotton, the dust does not fly when contacting with the water, and the effect of timely reducing the dust floating in the eraser box body and avoiding the dust from returning to the surface of the eraser cotton is achieved.
(3) When the blackboard eraser is used, the movable beads continuously and circularly run in the descending groove, the vertical groove and the annular groove, so that the surface of the blackboard eraser cotton can be continuously flapped, the manual beating of the blackboard eraser is replaced, and time and labor are saved.
(4) The whole process of the invention is carried out in the eraser box body, the entrance of the eraser box body is blocked by the eraser board, the dust enters the containing groove under the action of wind force and is dissolved in water, when the eraser box body stops, the dust enters the containing groove under the action of gravity and is dissolved in water, and the dust cannot float to the outside of the eraser box body in the dust removal process, thereby avoiding the eraser dust from being sucked by teachers and students and reducing the potential safety hazard.
(5) The blackboard eraser is simple in structure, and the net-shaped elastic mechanism resonance blackboard eraser is used, so that dust on the surface of the blackboard eraser can be efficiently and comprehensively removed, the influence of the dust on teachers and students is reduced, and the problems that the dust is not easy to fall off when the chalk dust falls off in the existing blackboard eraser and the health of teachers and students is seriously influenced by scattered dust are effectively solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the eraser case according to the present invention;
FIG. 3 is a front view of the sponge structure of the present invention;
FIG. 4 is a sectional view of the vibrating tube structure of the present invention;
FIG. 5 is a cross-sectional view of a retaining groove structure of the present invention.
Wherein, 1 board eraser wood board, 2 board eraser box bodies, 3 board eraser sponge, 4 supporting plates, 5 supporting rods, 6 motors, 7 rotating shafts, 8 fan blades, 9 vibrating tubes, 10 limiting rods, 11 limiting grooves, 12 high-elasticity rubber bands, 13 vibrating plates, 14 movable beads, 15 descending grooves, 16 vertical grooves, 17 annular grooves, 18 inlets, 20 through holes, 21 accommodating grooves, 22 battery grooves, 23 electric switches and 24 soft magnetic strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, an embodiment of the present invention provides a closed type eraser box, which comprises an eraser board 1 and an eraser box body 2, wherein an eraser sponge 3 is bonded on the surface of the eraser board 1, the material of the eraser sponge 3 comprises sponge, a plurality of springs are embedded inside the eraser sponge 3, the surface of the eraser sponge 3 is wrapped with a layer of cloth, a support plate 4 is jogged on the inner wall of the eraser box body 2, a support rod 5 is welded on the surface of the support plate 4, a motor 6 is fixedly connected on the surface of the support rod 5, a rotating shaft 7 is fixedly connected on the output shaft of the motor 6 through a coupling, fan blades 8 are welded on the surface of the rotating shaft 7, a vibration tube 9 is sleeved on the surface of the rotating shaft 7, a stop lever 10 is welded on the surface of the support plate 4, the surface of the stop lever 10 is L-shaped, a stop groove 11 is formed on the surface of the support plate 9, one end of the stop lever 10 is slidably connected with the inner wall of the stop, the high elastic rubber band 12 is woven into a net shape in a criss-cross mode, the middle of the net woven by the high elastic rubber band 12 is tied with a vibrating plate 13, the vibrating tube 9 is positioned above the fan blades 8, the vibrating tube 9 is positioned below the vibrating plate 13, the surface of the vibrating plate 13 is fixedly connected with the surface of the vibrating tube 9, the inner wall of the vibrating tube 9 is inlaid with a movable bead 14, the movable bead 14 is clamped on the inner wall of the vibrating tube 9, the movable bead 14 can rotate, the surface of the rotating shaft 7 is provided with a descending groove 15, the surface of the rotating shaft 7 is provided with a vertical groove 16, the surface of the rotating shaft 7 is provided with an annular groove 17, the descending groove 15, the vertical groove 16 and the annular groove 17 are communicated with each other, the movable bead 14 slides on the inner walls of the descending groove 15, the vertical groove 16 and the annular groove 17, the top of the surface of the blackboard eraser box body 2 is provided with an inlet 18, the length and the width of the inlet 18 are the same as those of the inner, the length and the width of the blackboard eraser cotton 3 are respectively smaller than the length and the width of the inlet 18, the surface of the blackboard eraser box body 2 is hinged with a baffle plate, the inner wall of the blackboard eraser box body 2 is provided with a plurality of fine through holes 20, the inner wall of the blackboard eraser box body 2 is lapped with a containing groove 21, the position height of the through holes 20 in the interior of the blackboard eraser box body 2 is lower than the position height of a fan, the containing groove 21 is positioned below the supporting plate 4, the surface of the blackboard eraser box body 2 is provided with a battery groove 22, the inner wall of the battery groove 22 is used for installing a battery, the surface fixing of the blackboard eraser box body 2 is provided with an electric switch 23, the output end of the electric switch 23 is electrically connected with the output end of the battery, the input end of the electric switch 23 is electrically connected with the input end of.
When the blackboard eraser is used, a power supply is connected, the baffle is opened, a certain amount of water is injected into the accommodating groove 21, then the baffle is closed, the blackboard eraser cotton 3 extends into the blackboard eraser box body 2 through the inlet 18, the soft magnetic strips 24 are adsorbed on the iron sheet on the upper surface of the blackboard eraser box body 2, so that the inlet 18 is sealed by the blackboard eraser board 1, then the electric switch 23 is opened, the motor 6 is started, the motor 6 drives the rotating shaft 7 to rotate, when the rotating shaft 7 rotates, the movable beads 14 slide on the inner bottom wall of the annular groove 17 attached to the inner side of the annular groove 17, when the movable beads 14 meet the descending groove 15, the movable beads slide into the descending groove 15, then the rotating shaft 7 continues to rotate, the movable beads 14 descend on the inner wall of the descending groove 15, the movable beads 14 drive the vibration tube 9 to descend together, then the vibration tube 9 drives the vibration plate 13 to descend, when the rotating shaft 7 rotates until the movable beads 14, the vibration tube 9 is lowered to the lowest and rises and bounces rapidly under the action of the elastic force of the high-elasticity rubber band 12, the vibration plate 13 and the high-elasticity rubber band 12 rise and bounce rapidly to directly flap the surface of the blackboard eraser sponge 3, dust on the surface of the blackboard eraser sponge 3 falls under the action of resonance, meanwhile, the motor 6 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the fan blade 8 to rotate, the fan blade 8 generates upward wind force, the wind force is blown to the surface of the blackboard eraser cotton 3, so that the falling dust can not be attached to the surface of the blackboard eraser cotton 3, and the dust of the carrier is blown to the inside of the holding tank 21 under the reverse pushing action of the blackboard eraser sponge 3 by the upward wind, the dust does not fly up when contacting with water, and after the dust is removed, the dust is settled for a while, then the electric switch 23 is closed, the baffle is opened, the accommodating groove 21 is taken out and cleaned, and the blackboard eraser board 1 is separated from the blackboard eraser box body 2, so that the use process of the whole closed blackboard eraser box is completed.
Claims (8)
1. The utility model provides a closed blackboard eraser box, includes blackboard eraser plank (1) and blackboard eraser box body (2), its characterized in that: the blackboard eraser is characterized in that eraser cotton (3) is bonded on the surface of the blackboard eraser board (1), a supporting plate (4) is connected to the inner wall of the blackboard eraser box body (2) in a joggled mode, a supporting rod (5) is welded on the surface of the supporting plate (4), a motor (6) is fixedly connected to the surface of the supporting rod (5), a rotating shaft (7) is fixedly connected to an output shaft of the motor (6) through a coupler, fan blades (8) are welded on the surface of the rotating shaft (7), a vibration pipe (9) is sleeved on the surface of the rotating shaft (7), a limiting rod (10) is welded on the surface of the supporting plate (4), the surface of the limiting rod (10) is L-shaped, a limiting groove (11) is formed in the surface of the vibration pipe (9), one end of the limiting rod (10) is connected with the inner wall of the limiting groove (11) in a sliding mode, a plurality of high-elasticity rubber, the high elastic rubber band (12) vertically and horizontally staggered weaves to be netted, the middle part of the net woven by the high elastic rubber band (12) is bound and connected with a vibrating plate (13), the surface of the vibrating plate (13) is connected with the surface fixing of a vibrating tube (9), the inner wall of the vibrating tube (9) is embedded with a movable bead (14), a descending groove (15) is arranged on the surface of a rotating shaft (7), a vertical groove (16) is arranged on the surface of the rotating shaft (7), an annular groove (17) is arranged on the surface of the rotating shaft (7), the descending groove (15), the vertical groove (16) and the annular groove (17) are communicated with each other, the movable bead (14) slides on the inner wall of the descending groove (15), the vertical groove (16) and the annular groove (17), an inlet (18) is arranged at the top of the surface of the blackboard eraser box body (2), and a baffle is hinged on the surface of the blackboard eraser box body (2), a plurality of small through holes (20) are formed in the inner wall of the eraser box body (2), and an accommodating groove (21) is formed in the inner wall of the eraser box body (2) in an overlapping mode.
2. The enclosed eraser cartridge according to claim 1, wherein: the material of the blackboard eraser cotton (3) comprises sponge, a plurality of springs are embedded in the blackboard eraser cotton (3), and a layer of cloth is wrapped on the surface of the blackboard eraser cotton (3).
3. The enclosed eraser cartridge according to claim 1, wherein: the vibration tube (9) is located above the fan blades (8), and the vibration tube (9) is located below the vibration plate (13).
4. The enclosed eraser cartridge according to claim 1, wherein: the blackboard eraser box comprises a blackboard eraser box body (2), and is characterized in that a battery groove (22) is formed in the surface of the blackboard eraser box body (2), a battery is mounted on the inner wall of the battery groove (22), an electric switch (23) is fixedly mounted on the surface of the blackboard eraser box body (2), the output end of the electric switch (23) is electrically connected with the output end of the battery, and the input end of the electric switch (23) is electrically connected with the input end of a motor (6).
5. The enclosed eraser cartridge according to claim 1, wherein: the movable bead (14) is clamped on the inner wall of the vibration tube (9), and the movable bead (14) can rotate.
6. The enclosed eraser cartridge according to claim 1, wherein: the length and the width of the inlet (18) are the same as those of the inner wall of the eraser box body (2), the length and the width of the eraser wood board (1) are respectively greater than those of the inlet (18), and the length and the width of the eraser cotton (3) are respectively less than those of the inlet (18).
7. The enclosed eraser cartridge according to claim 1, wherein: the height of the through hole (20) in the blackboard eraser box body (2) is lower than that of the fan, and the accommodating groove (21) is located below the supporting plate (4).
8. The enclosed eraser cartridge according to claim 1, wherein: the upper surface of the blackboard eraser box body (2) is wrapped with a layer of iron sheet, and two soft magnetic strips (24) are bonded on the surface of the blackboard eraser board (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249084.1A CN110757997B (en) | 2018-10-27 | 2018-10-27 | Closed blackboard eraser box |
| CN201811262581.0A CN109203796B (en) | 2018-10-27 | 2018-10-27 | Closed blackboard eraser box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262581.0A CN109203796B (en) | 2018-10-27 | 2018-10-27 | Closed blackboard eraser box |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911249084.1A Division CN110757997B (en) | 2018-10-27 | 2018-10-27 | Closed blackboard eraser box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109203796A CN109203796A (en) | 2019-01-15 |
| CN109203796B true CN109203796B (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811262581.0A Active CN109203796B (en) | 2018-10-27 | 2018-10-27 | Closed blackboard eraser box |
| CN201911249084.1A Active CN110757997B (en) | 2018-10-27 | 2018-10-27 | Closed blackboard eraser box |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911249084.1A Active CN110757997B (en) | 2018-10-27 | 2018-10-27 | Closed blackboard eraser box |
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| CN (2) | CN109203796B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154589A (en) * | 2019-05-09 | 2019-08-23 | 安徽师范大学 | A kind of chalk and blackboard eraser storage teaching aid convenient for deashing |
| CN110802972A (en) * | 2019-12-16 | 2020-02-18 | 安徽信息工程学院 | Mechanical blackboard eraser |
| CN112208251A (en) * | 2020-10-22 | 2021-01-12 | 莫仁媚 | Movable blackboard eraser and blackboard eraser box matched with same for dust removal |
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| CN201021027Y (en) * | 2006-09-18 | 2008-02-13 | 凌子成 | Double surface self-cleaning blackboard eraser |
| CN201223864Y (en) * | 2008-07-14 | 2009-04-22 | 广西工学院 | Blackboard eraser dust remover |
| KR20100023988A (en) * | 2008-08-23 | 2010-03-05 | 유재원 | Hair of chalkboard eraser |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110757997A (en) | 2020-02-07 |
| CN109203796A (en) | 2019-01-15 |
| CN110757997B (en) | 2020-12-18 |
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