CN106042734A - Electric blackboard eraser - Google Patents
Electric blackboard eraser Download PDFInfo
- Publication number
- CN106042734A CN106042734A CN201610469837.XA CN201610469837A CN106042734A CN 106042734 A CN106042734 A CN 106042734A CN 201610469837 A CN201610469837 A CN 201610469837A CN 106042734 A CN106042734 A CN 106042734A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- connects
- motor
- switch
- blackboard eraser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
- B43L21/04—Wiper holders
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an electric blackboard eraser. A sleeve is a square sleeve. The interior of the sleeve is connected with gears I, and the gears I are engaged with a rack. The rack is arranged at the top end of a blackboard. The two ends of the rack are connected with vertical limiting columns. Limiting switches are arranged at the upper ends of the limiting columns and used in cooperation with the sleeve. A manual transposition box is connected to the bottom end of the sleeve and internally connected with vertical supporting rods. The bottom end of each vertical supporting rod is connected with a blackboard eraser body. The top end of the sleeve is connected with a battery box. The right side of the battery box is connected with a motor shell internally provided with a motor. An output shaft of the motor is connected with a gear II engaged with the rack. The motor is further connected with an extension rod. The extension rod is connected with a handle provided with a switch. By means of the electric blackboard eraser, a blackboard can be wiped manually and automatically, and using is convenient.
Description
Technical field
The invention belongs to teaching field, specifically, be a kind of electric blackboard eraser.
Background technology
The content of courses now is many, and class hour is tight, makes good use of the required course becoming teacher for each minute attended class, and due to teacher
The chalk used can produce a lot of dust when wiping, and cause damage irreversible infringement to the health especially pulmonary of teacher,
How class-teaching of teacher reduces dust and teacher's injury and efficient blackboard wiping is become focus of concern.
Summary of the invention
The present invention provides a kind of electric blackboard eraser device, in order to solve the problems referred to above, both can manual blackboard wiping, again may be used
With Automatic erasing blackboard, easy to use.
For reaching above-mentioned purpose, the technological means that the present invention uses is: a kind of electric blackboard eraser, its composition includes: sleeve
1, tooth bar 2, described sleeve 1 is square sleeve 1, and the inside of described sleeve 1 connects gear I 3, described gear I 3 engaging tooth
Bar 2, the top being contained in blackboard of described tooth bar 2, the two ends of described tooth bar 2 connect vertical limited post 4 respectively, and described is perpendicular
The upper end of straight limited post 4 is respectively provided with limit switch 5, and described limit switch 5 mating sleeve 1 uses, the bottom of described sleeve 1
Connect manually transposition case 6, in described manually transposition case 6, connect vertical pole 7, the bottom connecting plate of described vertical pole 7
Wiping 8, the top of described sleeve 1 connects battery case 9, and the right side of described battery case 9 connects motor case 10, and described is electronic
Motor 11 is set in casing 10, the output shaft of described motor 11 connects gear II 12, described gear II 12 engagement
Tooth bar 2, described motor 11 box is also connected with extension rod 13, and described extension rod 13 connects handle 14, described handle 14
On switch 21 is set.
Further, described manually transposition case 6 includes that rectangular blocks 15, the inside of described rectangular blocks 15 have ladder
Connected in star 16, loads one group of transposition fastener in described trapezoidal groove 16, described transposition fastener includes arc block 17, described
Arc block 17 has arc groove 18, loads arc-like sheet 19 in described arc groove 18, and described arc-like sheet 19 is recessed at arc
Sliding in groove 18, described arc-like sheet 19 coordinates lateral strut to use with arc groove 18, and the bottom of described lateral strut is even
Connect vertical pole 7.
Further, described battery case 9 is connected to the right side of sleeve 1, and described motor 11 box is arranged on sleeve 1
Right side, described motor 11 is rotating motor 11.
Further, the U-shaped support in connection side, axle center 20 of described gear I 3, the two ends of the U-shaped support in described side 20 are even
It is connected on the inner surface of sleeve 1.
Further, described manually transposition case 6 is arranged on the rearward position, bottom surface of sleeve 1.
Further, described battery inside is equipped with battery, and the positive pole of described battery connects rotating forward activate switch SA
Head end, the first end rotating forward activate switch SA connects the head end of the first travel switch SQ1, the end of the first travel switch SQ1
End connects the end of the second travel switch SQ2, and the end of the first travel switch SQ1 is also connected with one end of motor M, motor M
The other end connect rotate forward activate switch SA the second end, described rotatings forward activate switch SA second end connection reversion open
First end of dynamic switch SA, the head end of the second travel switch SQ2 connects the second end of reversion activate switch SA, and reversion starts
The head end of switch SA connects power cathode.
Beneficial effects of the present invention is as follows:
1. the sleeve of the present invention coordinates motor to use, and makes blackboard eraser can automatically carry out the wiping of blackboard, reduces teacher closely
Absorb the harm that dust brings；
2. gear I pinion rack of the present invention, make that sleeve runs is more convenient, smooth and easy；
3. the switch of the present invention is contained on handle, easy to control, and the arcuate groove of handle is the position of finger, it is simple to hold with a firm grip；
4. the gear I of the present invention and the equal pinion rack of gear II, make tooth bar move in parallel, good stability；
5. the present invention uses travel switch to cut off the electricity supply in time, prevents motor damages.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is the right side view of the present invention.
Accompanying drawing 3 is that the present invention manually replaces the sectional view of case.
Accompanying drawing 4 is the close-up schematic view of accompanying drawing 3.
Accompanying drawing 5 is the circuit diagram of the present invention.
In figure: sleeve 1, tooth bar 2, gear I 3, vertical limited post 4, limit switch 5, manually transposition case 6, vertical pole 7,
Blackboard eraser 8, battery case 9, motor case 10, motor 11, gear II 12, extension rod 13, handle 14, rectangular blocks 15, trapezoidal recessed
Groove 16, arc block 17, arc groove 18, arc-like sheet 19, the U-shaped support in side 20, switch 21.
Below in conjunction with the drawings and specific embodiments, the structure of the present invention is further described in detail, in this specification
Front, rear, left and right all with in accompanying drawing direction keep consistent.
Detailed description of the invention
As shown in Fig. 1 ~ 5, a kind of electric blackboard eraser, its composition includes: sleeve 1, tooth bar 2, and described sleeve 1 is square
Sleeve 1, the inside of described sleeve 1 connects gear I 3, described gear I 3 pinion rack 2, described tooth bar 2 be contained in blackboard
Top, the two ends of described tooth bar 2 connect vertical limited post 4 respectively, and the upper end of described vertical limited post 4 is respectively provided with spacing
Switch 5, described limit switch 5 mating sleeve 1 uses, and the bottom of described sleeve 1 connects manually transposition case 6, described hands
Connecting vertical pole 7 in moving a case 6, the bottom of described vertical pole 7 connects blackboard eraser 8, and the top of described sleeve 1 connects
Battery case 9, the right side of described battery case 9 connects motor case 10, arranges motor 11 in described motor case 10, described
Motor 11 output shaft on connect gear II 12, described gear II 12 pinion rack 2, described motor 11 box also connects
Connect extension rod 13, described extension rod 13 connects handle 14, described handle 14 arranges switch 21.
Described electric blackboard eraser, described manually transposition case 6 includes rectangular blocks 15, described rectangular blocks 15 interior
Portion has trapezoidal groove 16, loads one group of transposition fastener in described trapezoidal groove 16, and described transposition fastener includes arc block
17, described arc block 17 has arc groove 18, loads arc-like sheet 19, described arc-like sheet 19 in described arc groove 18
Sliding in arc groove 18, described arc-like sheet 19 coordinates lateral strut to use with arc groove 18, described lateral strut
Bottom connect vertical pole 7.
Described electric blackboard eraser, described battery case 9 is connected to the right side of sleeve 1, and described motor 11 box is arranged
On the right side of sleeve 1, described motor 11 is rotating motor 11.
Described electric blackboard eraser, the U-shaped support in connection side, axle center 20 of described gear I 3, the U-shaped support in described side 20
Two ends be connected to the inner surface of sleeve 1.
Described electric blackboard eraser, described manually transposition case 6 is arranged on the rearward position, bottom surface of sleeve 1.
Described electric blackboard eraser, described battery inside is equipped with battery, and the positive pole of described battery connects rotating forward and opens
The head end of dynamic switch SA, the first end rotating forward activate switch SA connects the head end of the first travel switch SQ1, the first travel switch
The end of SQ1 connects the end of the second travel switch SQ2, and the end of the first travel switch SQ1 is also connected with one end of motor M,
The other end of motor M connects the second end rotating forward activate switch SA, and the second end of described rotating forward activate switch SA is even
Connecing the first end of reversion activate switch SA, the head end of the second travel switch SQ2 connects the second end of reversion activate switch SA,
The head end of reversion activate switch SA connects power cathode.
Working method: the switch on described electric blackboard eraser, first actuating motor can make motor automatically operate,
Automatic erasing blackboard, when needs are manual, hold handle pin switch do not loose one's grip, it is achieved Non-follow control wiping scope, when automatically
The travel switch encountering vertical limited post during blackboard wiping automatically cuts off power supply.
Schematically being described the present invention and embodiment thereof above, this description does not has restricted, institute in accompanying drawing
Show is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case of without departing from the invention objective, designs and this technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (6)
1. an electric blackboard eraser, its composition includes: sleeve (1), tooth bar (2), it is characterized in that: described sleeve (1) is square
Sleeve (1), the inside of described sleeve (1) connects gear I (3), described gear I (3) pinion rack (2), described tooth bar
(2) the top being contained in blackboard, the two ends of described tooth bar (2) connect vertical limited post (4), described vertical limited post respectively
(4) upper end is respectively provided with limit switch (5), and described limit switch (5) mating sleeve (1) uses, the end of described sleeve (1)
End connects vertical pole (7) in connecting the case (6) that manually replaces, the described case that manually replaces (6), described vertical pole (7)
Bottom connects blackboard eraser (8), and the top of described sleeve (1) connects battery case (9), and the right side of described battery case (9) connects electricity
Motivation shell (10), arranges motor (11) in described motor case (10), the output shaft of described motor (11) connects
Gear II (12), described gear II (12) pinion rack (2), described motor (11) box is also connected with extension rod (13), institute
Connect handle (14) on the extension rod (13) stated, described handle (14) arranges switch (21).
Electric blackboard eraser the most according to claim 1, is characterized in that: the described case that manually replaces (6) includes rectangular blocks
(15), the inside of described rectangular blocks (15) has trapezoidal groove (16), loads one group and change in described trapezoidal groove (16)
Bit card part, described transposition fastener includes that arc block (17), described arc block (17) have arc groove (18), described arc
Loading arc-like sheet (19) in connected in star (18), described arc-like sheet (19) slides in arc groove (18), described arc-like sheet
(19) coordinating lateral strut to use with arc groove (18), the bottom of described lateral strut connects vertical pole (7).
Electric blackboard eraser the most according to claim 1, is characterized in that: described battery case (9) is connected to the right side of sleeve (1)
Side, described motor (11) box is arranged on the right side of sleeve (1), and described motor (11) is rotating motor (11).
Electric blackboard eraser the most according to claim 1, is characterized in that: U-shaped of the connection side, axle center of described gear I (3)
Frame (20), the two ends of the U-shaped support in described side (20) are connected to the inner surface of sleeve (1).
Electric blackboard eraser the most according to claim 1, is characterized in that: the described case that manually replaces (6) is arranged on sleeve (1)
Rearward position, bottom surface.
Electric blackboard eraser the most according to claim 1, is characterized in that: described battery inside is equipped with battery, described
The positive pole of battery connects the head end rotating forward activate switch SA, and the first end rotating forward activate switch SA connects the first travel switch
The head end of SQ1, the end of the first travel switch SQ1 connects the end of the second travel switch SQ2, the end of the first travel switch SQ1
End is also connected with one end of motor M, and the other end of motor M connects the second end rotating forward activate switch SA, described rotating forward
Second end of activate switch SA connects the first end of reversion activate switch SA, and the head end of the second travel switch SQ2 connects anti-
Turning the second end of activate switch SA, the head end of reversion activate switch SA connects power cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610469837.XA CN106042734A (en) | 2016-06-26 | 2016-06-26 | Electric blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610469837.XA CN106042734A (en) | 2016-06-26 | 2016-06-26 | Electric blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106042734A true CN106042734A (en) | 2016-10-26 |
Family
ID=57166331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610469837.XA Pending CN106042734A (en) | 2016-06-26 | 2016-06-26 | Electric blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106042734A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2863499Y (en) * | 2006-01-09 | 2007-01-31 | 龙诗琪 | Multifunctional blackboard eraser |
| CN201120813Y (en) * | 2007-06-20 | 2008-09-24 | 王之滇 | Electric blackboard eraser |
| CA2670663A1 (en) * | 2008-09-25 | 2010-03-25 | Grupo Azor Mexico, S.A. De C.V. | Eraser and marker holder for white boards |
| CN201456831U (en) * | 2009-06-18 | 2010-05-12 | 华军 | Blackboard eraser clutch |
| JP2010167654A (en) * | 2009-01-22 | 2010-08-05 | M & F:Kk | Stationery holder |
| CN203792980U (en) * | 2014-01-09 | 2014-08-27 | 栾颖 | Scriber used for English language teaching |
-
2016
- 2016-06-26 CN CN201610469837.XA patent/CN106042734A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2863499Y (en) * | 2006-01-09 | 2007-01-31 | 龙诗琪 | Multifunctional blackboard eraser |
| CN201120813Y (en) * | 2007-06-20 | 2008-09-24 | 王之滇 | Electric blackboard eraser |
| CA2670663A1 (en) * | 2008-09-25 | 2010-03-25 | Grupo Azor Mexico, S.A. De C.V. | Eraser and marker holder for white boards |
| JP2010167654A (en) * | 2009-01-22 | 2010-08-05 | M & F:Kk | Stationery holder |
| CN201456831U (en) * | 2009-06-18 | 2010-05-12 | 华军 | Blackboard eraser clutch |
| CN203792980U (en) * | 2014-01-09 | 2014-08-27 | 栾颖 | Scriber used for English language teaching |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |