CN205125371U - Multi -functional automatic chalk box - Google Patents
Multi -functional automatic chalk box Download PDFInfo
- Publication number
- CN205125371U CN205125371U CN201521020265.4U CN201521020265U CN205125371U CN 205125371 U CN205125371 U CN 205125371U CN 201521020265 U CN201521020265 U CN 201521020265U CN 205125371 U CN205125371 U CN 205125371U
- Authority
- CN
- China
- Prior art keywords
- chalk
- box body
- chamber
- box
- multifunctional automatic
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a multi -functional automatic chalk box, including the box body, inside one side of box body is provided with the chalk chamber that is used for holding the chalk, and the position that is close to chalk chamber lower extreme on the box body is provided with the chalk and exports, and the position that is close to the chalk export in the box body is provided with and is used for the power thrust unit of chalk from chalk chamber release, the utility model discloses can satisfy and use the chalk extraction convenient in teaching work to the auto -eject, the appearance is pleasing to the eye in addition, and the function is many, can not only accomplish the dress chalk, dust on can also installing the blackboard eraser and collecting the blackboard eraser, and the chalk dust in the chalk box is difficult to spill out -of -the -box, and the secondary raise dust is avoided to non -staining podium and textbook, is the teaching assistance apparatus of an ideal.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly a kind of Multifunctional automatic chalk box.
Background technology
Chalk holder is the common tool in teaching, the chalk holder used in teaching, generally adopt square carton, chalk is vertically contained in chalk holder, open the lid from top when taking chalk, arrest chalk end, extract chalk out, this chalk holder extracts very inconvenient, when in chalk holder, chalk is few, chalk is often tiltedly placed in chalk holder, also easily fractures, and the chalk dust in chalk holder easily spills outside box, contaminated environment, and profile unsightly, function singleness, can only complete the function of dress chalk.The blackboard eraser that current teaching is used, after being finished, be often placed directly on dais, chalk dust easily pollutes dais and textbook, and the chalk dust flown upward is scattered, also unhygienic.
Summary of the invention
Problem to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art, the pollution providing a kind of chalk to take conveniently, can reduce chalk dust and putting into and a kind of Multifunctional automatic chalk box clearing up blackboard eraser.
In order to solve the problem, the utility model by the following technical solutions:
A kind of Multifunctional automatic chalk box, comprise box body, the side, inside of box body is provided with the chalk chamber for holding chalk, position near lower end, chalk chamber on box body is provided with chalk outlet, in box body, the position of chalk outlet is provided with the powered device for being released from chalk chamber by chalk.
Below the further optimization of the utility model to such scheme:
Position on box body above chalk outlet is provided with inductor.
The bottom in chalk chamber is provided with chalk guide rail, and described chalk guide rail is obliquely installed, and its height increases from the position near chalk outlet gradually to the position away from chalk outlet.
The bottom in described chalk chamber is provided with semicircle slide rail near the position of chalk guide rail lower end, and the side of described semicircle slide rail is connected with chalk guide rail one.Position on box body above semicircle slide rail is provided with chalk guide block, the chalk in chalk chamber can be imported chalk outlet smoothly.
Powered device comprises the tooth bar pushing block be arranged on rear side of semicircle slide rail, and one end and the semicircle slide rail of described tooth bar pushing block are slidably connected, and the other end slidably connects lead, and described lead is fixed on box body.
In box body, motor is installed, the power output shaft of described motor is provided with pinion, by shifting slide gear engaged transmission between described pinion and tooth bar pushing block.
When chalk is drawn, inductor is by feedback, and starter motor, band carry-over bar pushing block slides left, and after sliding into certain distance, chalk is rolled on semicircle slide rail automatically, then motor reversal, and tooth bar pushing block slides to the right release chalk.When chalk be not drawn need cleaning blackboard eraser time, control electric motor starting and stopping by gauge tap.
Lateral partitions is provided with in described box body, the cavity be positioned in box body above lateral partitions is upper chamber, longitudinal baffle is provided with in upper chamber, upper chamber is partitioned into upper annular seal space and working chamber by longitudinal baffle, be provided with round brush in described upper annular seal space, position corresponding with round brush on the upper shell of described box body is provided with the opening of the brush section insertion can holding blackboard eraser.
Round brush is installed on the rotating shaft, wherein one end of this turning cylinder is fixedly connected with box body with working chamber through longitudinal baffle, the part that turning cylinder is positioned at working chamber is provided with the first belt pulley, the power output shaft of motor is provided with the second belt pulley, between the first belt pulley and the second belt pulley, passes through belt transmission.
The cavity be positioned in box body below lateral partitions is lower chambers, and bottom chamber is provided with the dividing plate of inverted L shape, forms lower seal chamber between the downside of dividing plate and box body, and being provided with in annular seal space can the chalk end drawer of pull.
Described shifting slide gear is slidably connected sprocket drive spindle, and wherein one end of this gear shaft is fixed on box body, and the other end is fixed on dividing plate, and the position of excircle between shifting slide gear and dividing plate of gear shaft is provided with back-moving spring;
Position between shifting slide gear and box body is provided with the connecting lever connecting rod that shifting slide gear can be driven to move left and right on gear shaft, centre position and the gear shaft of described connecting lever connecting rod are rotationally connected, wherein one end of connecting lever connecting rod is arranged on the position of shifting slide gear, and the other end is arranged on the outside of box body and is connected with pull bar.
When needs eject chalk, pull bar can be pulled out, shifting slide gear inwardly slides and engages respectively with pinion and tooth bar pushing block by connecting lever connecting rod, when without the need to ejecting chalk, when only round brush need be rotated and clear up blackboard eraser, pull bar inwardly can be promoted, drive connecting lever connecting rod to depart from shifting slide gear, make shifting slide gear under the effect of back-moving spring, slide and depart from respectively with pinion and tooth bar pushing block, now, motor only drives round brush to rotate.
The utility model can meet that in teaching, to use chalk to extract convenient, and automatic spring, and good looking appearance, function is many, can not only complete dress chalk, can also install blackboard eraser and the dust that smears of collecting board, and the chalk dust in chalk holder is not easy to spill outside box, not polluting dais and textbook, avoid reentrainment of dust, is a kind of desirable tutor auxiliary platform apparatus.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is automatic chalk box structural representation in the utility model embodiment;
Accompanying drawing 2 is structural representations that in the utility model embodiment, chalk holder is released automatically;
Accompanying drawing 3 is the structural representations in chalk chamber in the utility model embodiment.
In figure: 1-box body; 2-blackboard eraser; 3-round brush; 4-longitudinal baffle; 5-first belt pulley; 6-belt; 7-lateral partitions; 8-pinion; 9-second belt pulley; 10-shifting slide gear; 11-back shaft; 12-tooth bar pushing block; 13-semicircle slide rail; 14-motor; 15-battery; 16-controller; 17-lower seal chamber; 18-chalk drawer head; 19-dividing plate; 20-powder drawer; The upper annular seal space of 21-; 22-lead; 23-chamber; 24-chalk chamber; 25-chalk; 26-inductor; 27-chalk guide block; 28-chalk guide rail; 29-chamber is covered; 30-gauge tap; 31-chalk outlet; 32-working chamber; 33-back-moving spring; 34-connecting lever connecting rod; 35-pull bar.
Detailed description of the invention
Embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, a kind of Multifunctional automatic chalk box, comprises box body 1, and the upper end of box body 1 is provided with chamber lid 29, for sealing.
The side, inside of box body 1 is provided with the chalk chamber 24 for holding chalk 25, position near lower end, chalk chamber 24 on box body 1 is provided with chalk outlet 31, in box body 1, the position of chalk outlet 31 is provided with the powered device for being released from chalk chamber 24 by chalk 25.
Position on box body 1 above chalk outlet 31 is provided with inductor 26, for detecting the turnover situation of chalk.
The bottom in chalk chamber 24 is provided with chalk guide rail 28, and described chalk guide rail 28 is obliquely installed, and its height increases from the position near chalk outlet 31 gradually to the position away from chalk outlet 31.
The bottom in described chalk chamber 24 is provided with semicircle slide rail 13 near the position of chalk guide rail 28 lower end, and the side of described semicircle slide rail 13 is connected with chalk guide rail 28 one.Position on box body 1 above semicircle slide rail 13 is provided with chalk guide block 27, the chalk 25 in chalk chamber 24 can be imported chalk outlet 31 smoothly.
Powered device comprises the tooth bar pushing block 12 be arranged on rear side of semicircle slide rail 13, and one end and the semicircle slide rail 13 of described tooth bar pushing block 12 are slidably connected, and the other end slidably connects lead 22, and described lead 22 is fixed on box body 1.
Motor 14 is installed in box body 1, the power output shaft of described motor 14 is provided with pinion 8, by shifting slide gear 10 engaged transmission between described pinion 8 and tooth bar pushing block 12.
Be provided with battery 15 and controller 16 in box body 1, controller 16 is electrically connected with motor 14, is provided with gauge tap 30 in the outside of box body 1, and described gauge tap 30 is electrically connected respectively with battery 15 and controller 16.
When chalk 25 is drawn, inductor 26 is by feedback, and starter motor 14, band carry-over bar pushing block 12 slides left, and after sliding into certain distance, chalk 25 is rolled on semicircle slide rail 13 automatically, and then motor 14 reverses, and tooth bar pushing block 12 slides to the right and releases chalk 25.When chalk 25 be not drawn need cleaning blackboard eraser 2 time, control motor 14 start and stop by gauge tap 30.
Lateral partitions 7 is provided with in described box body 1, the cavity be positioned in box body 1 above lateral partitions 7 is upper chamber, longitudinal baffle 4 is provided with in upper chamber, upper chamber is partitioned into upper annular seal space 21 and working chamber 32 by longitudinal baffle 4, be provided with round brush 3 in described upper annular seal space 21, on the upper shell of described box body 1, the position corresponding with round brush 3 is provided with the opening that the brush section that can hold blackboard eraser 2 inserts.
Round brush 3 is installed on the rotating shaft, and wherein one end of this turning cylinder is fixedly connected with box body 1 with working chamber 32 through longitudinal baffle 4.
Be connected by bearing rotational support between turning cylinder with longitudinal baffle 4.
The part that turning cylinder is positioned at working chamber 32 is provided with the first belt pulley 5, the power output shaft of motor 14 is provided with between the second belt pulley 9, first belt pulley 5 and the second belt pulley 9 by belt 6 transmission.
During work, the brush section of blackboard eraser 2 can be inserted the opening part of box body 1,
In upper annular seal space 21, be provided with can the powder drawer 20 of pull in the position be positioned at below round brush 3, for collecting round brush 3 by the dust under blackboard eraser 2 is cleared up.
Position near upper annular seal space 21 side in box body 1 is provided with a chamber 23, and the upper end in a chamber 23 has opening, for inserting the teaching aids such as pen.
The cavity be positioned in box body 1 below lateral partitions 7 is lower chambers, and bottom chamber is provided with the dividing plate 19 of inverted L shape, and described motor 14, battery 15 are arranged on the top of dividing plate 19.
Form lower seal chamber 17 between the downside of dividing plate 19 and box body 1, being provided with in annular seal space 17 can the chalk end drawer 18 of pull, can be used for storing using remaining chalk end.
Described shifting slide gear 10 is slidably connected sprocket drive spindle, and wherein one end of this gear shaft is fixed on box body 1, and the other end is fixed on dividing plate 19, and the position of excircle between shifting slide gear 10 and dividing plate 19 of gear shaft is provided with back-moving spring 33;
Position between shifting slide gear 10 and box body 1 is provided with the connecting lever connecting rod 34 that shifting slide gear 10 can be driven to move left and right on gear shaft, centre position and the gear shaft of described connecting lever connecting rod 34 are rotationally connected, wherein one end of connecting lever connecting rod 34 is arranged on the position of shifting slide gear 10, and the other end is arranged on the outside of box body 1 and is connected with pull bar 35.
When needs eject chalk, pull bar 35 can be pulled out, shifting slide gear 10 inwardly slides and engages respectively with pinion 8 and tooth bar pushing block 12 by connecting lever connecting rod 34, when without the need to ejecting chalk, when only round brush 3 need be rotated and clears up blackboard eraser 2, pull bar 35 inwardly can be promoted, drive connecting lever connecting rod 34 to depart from shifting slide gear 10, make shifting slide gear 10 under the effect of back-moving spring 33, slide and depart from respectively with pinion 8 and tooth bar pushing block 12, now, 14, motor drives round brush 3 to rotate.
The utility model can meet that in teaching, to use chalk to extract convenient, and automatic spring, and good looking appearance, function is many, can not only complete dress chalk, can also install blackboard eraser and the dust that smears of collecting board, and the chalk dust in chalk holder is not easy to spill outside box, not polluting dais and textbook, avoid reentrainment of dust, is a kind of desirable tutor auxiliary platform apparatus.
Claims (10)
1. a Multifunctional automatic chalk box, comprise box body (1), it is characterized in that: the side, inside of box body (1) is provided with the chalk chamber (24) for holding chalk (25), the upper position near chalk chamber (24) lower end of box body (1) is provided with chalk outlet (31), in box body (1), the position of chalk outlet (31) is provided with the powered device for being released from chalk chamber (24) by chalk (25).
2. a kind of Multifunctional automatic chalk box according to claim 1, is characterized in that: the upper position near chalk outlet (31) top of box body (1) is provided with inductor (26).
3. a kind of Multifunctional automatic chalk box according to claim 1 and 2, it is characterized in that: the bottom of chalk chamber (24) is provided with chalk guide rail (28), described chalk guide rail (28) is obliquely installed, and its height increases from the position near chalk outlet (31) gradually to the position away from chalk outlet (31).
4. a kind of Multifunctional automatic chalk box according to claim 3, it is characterized in that: the bottom of described chalk chamber (24) is provided with semicircle slide rail (13) near the position of chalk guide rail (28) lower end, the side of described semicircle slide rail (13) is connected with chalk guide rail (28) one, the upper position near semicircle slide rail (13) top of box body (1) is provided with chalk guide block (27), the chalk (25) in chalk chamber (24) can be imported chalk outlet (31) smoothly.
5. a kind of Multifunctional automatic chalk box according to claim 4, it is characterized in that: powered device comprises the tooth bar pushing block (12) being arranged on semicircle slide rail (13) rear side, one end and the semicircle slide rail (13) of described tooth bar pushing block (12) are slidably connected, the other end slidably connects lead (22), and described lead (22) is fixed on box body (1).
6. a kind of Multifunctional automatic chalk box according to claim 5, it is characterized in that: motor (14) is installed in box body (1), the power output shaft of described motor (14) is provided with pinion (8), by shifting slide gear (10) engaged transmission between described pinion (8) and tooth bar pushing block (12).
7. a kind of Multifunctional automatic chalk box according to claim 6, it is characterized in that: in described box body (1), be provided with lateral partitions (7), the cavity being positioned at lateral partitions (7) top in box body (1) is upper chamber, longitudinal baffle (4) is provided with in upper chamber, upper chamber is partitioned into upper annular seal space (21) and working chamber (32) by longitudinal baffle (4), in described upper annular seal space (21), round brush (3) is installed, position corresponding with round brush (3) on the upper shell of described box body (1) is provided with the opening that the brush section that can hold blackboard eraser (2) inserts.
8. a kind of Multifunctional automatic chalk box according to claim 7, it is characterized in that: round brush (3) is installed on the rotating shaft, wherein one end of this turning cylinder is fixedly connected with box body (1) with working chamber (32) through longitudinal baffle (4), the part that turning cylinder is positioned at working chamber (32) is provided with the first belt pulley (5), the power output shaft of motor (14) is provided with the second belt pulley (9), by belt (6) transmission between the first belt pulley (5) and the second belt pulley (9).
9. a kind of Multifunctional automatic chalk box according to claim 8, is characterized in that:
The cavity being positioned at lateral partitions (7) below in box body (1) is lower chambers, bottom chamber is provided with the dividing plate (19) of inverted L shape, form lower seal chamber (17) between the downside of dividing plate (19) and box body (1), being provided with in annular seal space (17) can the chalk end drawer (18) of pull.
10. a kind of Multifunctional automatic chalk box according to claim 9, is characterized in that:
Described shifting slide gear (10) is slidably connected sprocket drive spindle, wherein one end of this gear shaft is fixed on box body (1), the other end is fixed on dividing plate (19), and the excircle position be positioned between shifting slide gear (10) and dividing plate (19) of gear shaft is provided with back-moving spring (33);
Position between shifting slide gear (10) and box body (1) is provided with the connecting lever connecting rod (34) that shifting slide gear (10) can be driven to move left and right on gear shaft, centre position and the gear shaft of described connecting lever connecting rod (34) are rotationally connected, wherein one end of connecting lever connecting rod (34) is arranged on the position of shifting slide gear (10), and the other end is arranged on the outside of box body (1) and is connected with pull bar (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020265.4U CN205125371U (en) | 2015-12-01 | 2015-12-01 | Multi -functional automatic chalk box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020265.4U CN205125371U (en) | 2015-12-01 | 2015-12-01 | Multi -functional automatic chalk box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205125371U true CN205125371U (en) | 2016-04-06 |
Family
ID=55611208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521020265.4U Expired - Fee Related CN205125371U (en) | 2015-12-01 | 2015-12-01 | Multi -functional automatic chalk box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205125371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716141A (en) * | 2021-01-08 | 2021-04-30 | 王建花 | Full-automatic platform of supplementary teaching |
-
2015
- 2015-12-01 CN CN201521020265.4U patent/CN205125371U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716141A (en) * | 2021-01-08 | 2021-04-30 | 王建花 | Full-automatic platform of supplementary teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |