CN108437658A - A kind of chalk dust-prevention protecting jacket - Google Patents
A kind of chalk dust-prevention protecting jacket Download PDFInfo
- Publication number
- CN108437658A CN108437658A CN201810608996.2A CN201810608996A CN108437658A CN 108437658 A CN108437658 A CN 108437658A CN 201810608996 A CN201810608996 A CN 201810608996A CN 108437658 A CN108437658 A CN 108437658A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- penholder
- nib
- chalk dust
- chalk
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
- B43K23/016—Holders for crayons or chalks
-
- 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
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
-
- 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 present invention relates to teaching aid technical fields,In particular a kind of chalk dust-prevention protecting jacket,Including penholder and nib,Penholder upper end both sides are fixedly connected with blackboard eraser,The penholder top left side is fixedly connected with battery case,The penholder is located at blackboard eraser upper and lower side and offers suction inlet,The penholder top center position offers air outlet,The air outlet lower end is fixedly connected with wind turbine,And wind turbine is fixed on the inside of penholder,The wind turbine lower end is fixedly connected with filter screen,And filter screen is fixedly connected on the inside of penholder,Bolt is slidably connected on the downside of the penholder both ends,It is bolted,Form chamber,Absorption is played to the chalk dust of generation,The chalk dust of absorption is stored on the inside of nib,When storage is full,It can be with adjusting bolt,Dismantle nib,The chalk dust of collection is handled,Reduce pollution of the chalk dust to air,Be conducive to the health of Faculty and Students.With exhausted big economic benefit and extensive market value, it is worth of widely use.
Description
Technical field
The present invention relates to teaching aid technical field, specially a kind of chalk dust-prevention protecting jacket.
Background technology
Chalk dust-prevention protecting jacket makes a kind of energy assisted teacher impart knowledge to students, and chalk is fixed, writing process can be absorbed and black
The chalk dust generated during plate, and two chalks can be fixed, chalk extension elongation can be adjusted according to teacher's personal habits
And the device of protective case total length, design is simple, and manufacturing cost is low, can effectively solve the problem that the dust generated in teaching process,
Be conducive to the health of teacher and student, therefore, the demand to chalk dust-prevention protecting jacket is growing.
Teacher directly touches chalk with hand and is write, make chalk surface during with chalk-writing in teaching process
Dust directly fall in skin surface, and fallen in air with chalk dust that the process that erases the board generates in writing process,
Faculty and Students leverage the health of Faculty and Students, therefore, regarding to the issue above by breathing inhalation of chalk dust
It is proposed a kind of chalk dust-prevention protecting jacket.
Invention content
The purpose of the present invention is to provide a kind of chalk dust-prevention protecting jackets, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：
A kind of chalk dust-prevention protecting jacket, including penholder and nib, penholder upper end both sides are fixedly connected with blackboard eraser, the pen
Bar top left side is fixedly connected with battery case, and the penholder is located at blackboard eraser upper and lower side and offers suction inlet, the penholder top
Portion middle position offers air outlet, and the air outlet lower end is fixedly connected with wind turbine, and wind turbine is fixed on the inside of penholder, described
Wind turbine lower end is fixedly connected with filter screen, and filter screen is fixedly connected on the inside of penholder, is slidably connected on the downside of the penholder both ends
There are bolt, the penholder lower end inside to slidably connect nib, the intermediate inside of nib is fixedly connected with fixed ring, described solid
To determine to be fixedly connected with inner casing on the inside of ring, the inner casing upper end is fixedly connected with baffle, and the inner casing lower end is fixedly connected with long axis,
And long axis, through inner casing both sides, long axis centre both sides are fixedly connected with baffle ring, cunning are fixedly connected on the inside of the baffle ring
Block, sliding block upside centre position are fixedly connected with short axle, and the short axle upper end is fixedly connected with pullover, the short axle top
Middle position is fixedly connected with spring, and the spring upper end is fixedly connected with Chalk casing, and Chalk casing is threadedly coupled with pullover.
Preferably, the written outer diameter is equal to penholder bottom diameter.
Preferably, the bolt is threadedly coupled with penholder.
Preferably, the fixed ring outer diameter is equal to written internal diameter, and fixed ring internal diameter is equal to inner casing outer diameter.
Preferably, the written length is equal to penholder lower end inside chamber length.
Compared with prior art, the beneficial effects of the invention are as follows：
1, in the present invention, by the wind turbine and suction inlet of setting, when teacher when in use, turn on the switch, in writing process,
Chalk end rubs off with blackboard and falls chalk dust, and by dust exhaust apparatus, the chalk dust fallen is inhaled into inner casing, the setting of penholder end
There is blackboard eraser, can be wiped when writing, there are suction inlet setting in blackboard eraser both sides, and erase the board a large amount of chalk dusts generated in the process
Also it can be inhaled into protective case；
2, in the present invention, by the pullover and Chalk casing of setting, chalk is filled in into Chalk casing, it can be by rotating pullover, control
The position of Chalk casing, teacher can adjust the length that chalk stretches out according to personal habits, and double pullover designs can be put into different face
The chalk of color replaces the chalk for needing color to be used by rotating the rotation of pullover control slide block；
3, in the present invention, by the nib and penholder of setting, nib and penholder are slidably connected, are bolted, and form chamber,
Absorption is played to the chalk dust of generation, the chalk dust of absorption is stored on the inside of nib, when storage is full, can adjust spiral shell
Bolt dismantles nib, and the chalk dust of collection is handled, and reduces pollution of the chalk dust to air, is conducive to the body of Faculty and Students
Health.With exhausted big economic benefit and extensive market value, it is worth of widely use.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is structural schematic diagram at the A of Fig. 1 of the present invention；
Fig. 3 is fixed ring structural schematic diagram of the present invention.
In figure：1- blackboard erasers, 2- wind turbines, 3- baffles, 4- bolts, 5- filter screens, 6- battery cases, 7- penholders, 8- fixed rings,
9- long axis, 10- pullovers, 11- Chalk casings, 12- springs, 13- sliding blocks, 14- baffle rings, 15- nibs, 16- short axles, 17- inner casings, a- go out
Air port, b- suction inlets.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：
A kind of chalk dust-prevention protecting jacket, including penholder 7 and nib 15,7 upper end both sides of the penholder are fixedly connected with blackboard eraser 1,
7 top left side of the penholder is fixedly connected with battery case 6, and the penholder 7 is located at 1 upper and lower side of blackboard eraser and offers suction inlet,
7 top center position of the penholder offers the lower ends air outlet a, the air outlet a and is fixedly connected with wind turbine 2, and wind turbine 2 is fixed
In 7 inside of penholder, 2 lower end of the wind turbine is fixedly connected with filter screen 5, and filter screen 5 is fixedly connected on 7 inside of penholder, described
Bolt 4 is slidably connected on the downside of 7 both ends of penholder, 7 lower end inside of the penholder slidably connects among nib 15, described written 15
Inside is fixedly connected with fixed ring 8, and 8 inside of the fixed ring is fixedly connected with inner casing 17, and 17 upper end of the inner casing is fixedly connected
There is a baffle 3,17 lower end of the inner casing is fixedly connected with long axis 9, and long axis 9 is through 17 both sides of inner casing, two among the long axis 9
Side is fixedly connected with baffle ring 14, and sliding block 13 is fixedly connected on the inside of the baffle ring, and 13 upside centre position of the sliding block, which is fixed, to be connected
It is connected to short axle 16,16 upper end of the short axle is fixedly connected with pullover 10, and 16 top middle position of the short axle is fixedly connected with bullet
Spring 12,12 upper end of the spring is fixedly connected with Chalk casing 11, and Chalk casing 11 is threadedly coupled with pullover 10.
Written 15 outer diameter is equal to 7 bottom diameter of penholder, and nib 15 is slidably connected with penholder 7, reduces in sliding process
The friction of generation and noise are fixed convenient for passing through bolt 4；The bolt 4 is threadedly coupled with penholder 7, by rotating bolt 4
Penholder 7 and nib 15 are fixed, it is simple and convenient；8 outer diameter of the fixed ring is equal to written 15 internal diameters, and 8 internal diameter of fixed ring is equal to interior
17 outer diameter of shell fixes nib 15 with inner casing, forms suction inlet b, and the chalk dust generated to nib 15 absorbs；The nib
15 length are equal to 7 lower end inside chamber length of penholder, convenient for users to protective case entire length is adjusted, when use and put
It is in rational position when setting, extends service using life and property easy to use.
Workflow：Battery is packed into battery case 6 using preceding, chalk to be used is needed to be packed into Chalk casing 11, when use is horizontal
It to rotation pullover 10, is connected through a screw thread, can be stretched out in rotary course or Chalk casing 11 of retracting, stretch out length to adjust chalk
Degree, it is longitudinal to rotate pullover 10, by long axis 9 and sliding block 13, the required chalk used is adjusted to written 15 lower ends, unclamps bolt
4, it stretches nib 15 and is adjusted to required length, fastening bolt 4 is opened the switch of wind turbine 2 and write, the powder generated in writing process
Pen ash, the suction inlet b and air outlet a that the chamber and penholder 7 formed with inner casing 17 by nib 15 opens up, the wind turbine of rotation
2 generate draught head, and chalk dust is sucked 17 inside of written 15 inner casing and is stored therein in, and 7 end of penholder is provided with blackboard eraser 1,
The chalk dust that wiping process generates when use can be also inhaled into inside inner casing 17, when chalk dust storage is full, is unclamped bolt 4, taken
Go out nib 15, topple over chalk dust, reuses.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of chalk dust-prevention protecting jacket, including penholder（7）And nib（15）, it is characterised in that：The penholder（7）Upper end both sides
It is fixedly connected with blackboard eraser（1）, the penholder（7）Top left side is fixedly connected with battery case（6）, the penholder（7）Positioned at black
Blackboard eraser（1）Upper and lower side offers suction inlet, the penholder（7）Top center position offers air outlet（a）, the air outlet
（a）Lower end is fixedly connected with wind turbine（2）, and wind turbine（2）It is fixed on penholder（7）Inside, the wind turbine（2）Lower end is fixedly connected with
Filter screen（5）, and filter screen（5）It is fixedly connected on penholder（7）Inside, the penholder（7）Bolt is slidably connected on the downside of both ends
（4）, the penholder（7）Lower end inside slidably connects nib（15）, the nib（15）Intermediate inside is fixedly connected with fixation
Ring（8）, the fixed ring（8）Inside is fixedly connected with inner casing（17）, the inner casing（17）Upper end is fixedly connected with baffle（3）,
The inner casing（17）Lower end is fixedly connected with long axis（9）, and long axis（9）Through inner casing（17）Both sides, the long axis（9）It is intermediate
Both sides are fixedly connected with baffle ring（14）, the baffle ring inside is fixedly connected with sliding block（13）, the sliding block（13）Upside interposition
It sets and is fixedly connected with short axle（16）, the short axle（16）Upper end is fixedly connected with pullover（10）, the short axle（16）Top center
Position is fixedly connected with spring（12）, the spring（12）Upper end is fixedly connected with Chalk casing（11）, and Chalk casing（11）With set
Head（10）It is threadedly coupled.
2. a kind of chalk dust-prevention protecting jacket according to claim 1, it is characterised in that：The nib（15）Outer diameter is equal to pen
Bar（7）Bottom diameter.
3. a kind of chalk dust-prevention protecting jacket according to claim 1, it is characterised in that：The bolt（4）With penholder（7）Spiral shell
Line connects.
4. a kind of chalk dust-prevention protecting jacket according to claim 1, it is characterised in that：The fixed ring（8）Outer diameter is equal to
Nib（15）Internal diameter, fixed ring（8）Internal diameter is equal to inner casing（17）Outer diameter.
5. a kind of chalk dust-prevention protecting jacket according to claim 1, it is characterised in that：The nib（15）Length is equal to pen
Bar（7）Lower end inside chamber length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608996.2A CN108437658A (en) | 2018-06-13 | 2018-06-13 | A kind of chalk dust-prevention protecting jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608996.2A CN108437658A (en) | 2018-06-13 | 2018-06-13 | A kind of chalk dust-prevention protecting jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108437658A true CN108437658A (en) | 2018-08-24 |
Family
ID=63206319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810608996.2A Withdrawn CN108437658A (en) | 2018-06-13 | 2018-06-13 | A kind of chalk dust-prevention protecting jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108437658A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605995A (en) * | 2018-11-21 | 2019-04-12 | 王晨娣 | A kind of teaching dust arrester installation having rotary adjustment structure |
| CN109823093A (en) * | 2019-02-27 | 2019-05-31 | 张慧利 | A kind of multi-action computer educational facilities and its application method |
| CN110481217A (en) * | 2019-08-21 | 2019-11-22 | 山东交通职业学院 | A kind of complementary education instructional device |
| CN111169199A (en) * | 2020-01-14 | 2020-05-19 | 唐山师范学院 | Multi-functional english teaching aid |
-
2018
- 2018-06-13 CN CN201810608996.2A patent/CN108437658A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605995A (en) * | 2018-11-21 | 2019-04-12 | 王晨娣 | A kind of teaching dust arrester installation having rotary adjustment structure |
| CN109823093A (en) * | 2019-02-27 | 2019-05-31 | 张慧利 | A kind of multi-action computer educational facilities and its application method |
| CN110481217A (en) * | 2019-08-21 | 2019-11-22 | 山东交通职业学院 | A kind of complementary education instructional device |
| CN111169199A (en) * | 2020-01-14 | 2020-05-19 | 唐山师范学院 | Multi-functional english teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |
|
| WW01 | Invention patent application withdrawn after publication |