CN208021040U - Teacher assists writing device with chalk - Google Patents
Teacher assists writing device with chalk Download PDFInfo
- Publication number
- CN208021040U CN208021040U CN201720938836.5U CN201720938836U CN208021040U CN 208021040 U CN208021040 U CN 208021040U CN 201720938836 U CN201720938836 U CN 201720938836U CN 208021040 U CN208021040 U CN 208021040U
- Authority
- CN
- China
- Prior art keywords
- chalk
- pedestal
- protection
- protection sleeve
- length
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of teachers to assist writing device, including chalk protection sleeve, protection upper shield, multiple length-adjustment holes, length fixed pin, length adjustment sliding block, sliding block connecting rod, chalk pedestal, pedestal mounting hole, length adjustment slot, chalk clamped flanges, written protection cap and two the cover flanges with chalk；Protection upper shield connects chalk protection sleeve; written protection cap connects chalk protection sleeve or protection upper shield by the cover flange; length-adjustment holes, length adjustment slot are located on chalk protection sleeve; sliding block connecting rod company commander's degree adjusting slider and chalk pedestal; pedestal mounting hole is located in chalk pedestal; length fixed pin penetrating length adjustment hole and pedestal mounting hole, chalk clamped flanges are located on chalk pedestal, and the bottom of chalk is vertically placed to by chalk clamped flanges on chalk pedestal.The utility model can be used to adjust the length of chalk, and the hand-held writing of chalk, when writing is convenient for be not directly contacted with chalk, use clean hygiene, reduce influence of the dust to teachers ' health.
Description
Technical field
The utility model is related to a kind of tutor auxiliary platform articles for use more particularly to a kind of teacher to assist writing device with chalk.
Background technology
With the development of science and technology, multimedia teaching facility is answered in the place to operate schools in many cities extensively
With, but traditional teaching method also still remains.In traditional teaching method, teacher holds chalk and writes writing on the blackboard to student,
It has been stained with chalk dust on hand, has been easy to make textbook, dais, clothing etc. dirty, use is unhygienic, is not conducive to good health.And it uses
The board of education and marking pen cost of marker wrote are higher, can not be widely used to promote in remote poverty-stricken area.
Utility model content
The purpose of this utility model：A kind of teacher's chalk auxiliary writing device is provided, it is simple in structure, it is easy to use, at
This is low.
To achieve the goals above, the technical solution of the utility model is：
A kind of teacher's chalk auxiliary writing device, including chalk protection sleeve, protection upper shield, multiple length-adjustment holes, length
Spend fixed pin, length adjustment sliding block, sliding block connecting rod, chalk pedestal, pedestal mounting hole, length adjustment slot, chalk clamped flanges,
Written protection cap and two the cover flanges；The chalk protection sleeve is the hollow cylindrical structure of upper end and lower ending opening, institute
The protection upper shield stated is screwed in by threaded adapter at the lower ending opening of the chalk protection sleeve；Two the cover flanges
Be arranged at the upper end-face edge of the chalk protection sleeve and the lower edge of the described protection upper shield at, the nib protection
Lid is adapted to the cover in the upper end of the chalk protection sleeve or the lower end of protection upper shield by the cover flange；Described is more
A length-adjustment holes, which are respectively separated, to be arranged on the front end face of the chalk protection sleeve, and multiple length-adjustment holes are by upper
To lower longitudinal arrangement, the length adjustment slot is arranged on the side end face of the chalk protection sleeve, the length adjustment
The strip structure that slot is vertically arranged；One end of the sliding block connecting rod is fixedly connected with the length adjustment sliding block,
The other end of the sliding block connecting rod is fixedly connected with the chalk pedestal；The chalk pedestal runs through the length
Regulating tank is arranged in the chalk protection sleeve, and the chalk pedestal is circular sheet-like structures, the chalk protection sleeve
Internal diameter be more than the chalk pedestal outer diameter；The pedestal mounting hole is arranged in the chalk pedestal and runs through institute
The front end face for the chalk pedestal stated, the length fixed pin run through the length-adjustment holes and pedestal mounting hole, make described
Chalk pedestal be horizontally set in the chalk protection sleeve；The chalk clamped flanges are cirque structure and are arranged
The bottom of the upper surface edge of the chalk pedestal, chalk is vertically placed to the powder by the chalk clamped flanges
On pedestal.
Above-mentioned teacher assists writing device with chalk, wherein the cover flange wherein described in one is equipped with elastic clip
Item, is located at the upper end of the chalk protection sleeve, and the elastic force clamp bar is cirque structure and is wrapped on chalk.
Above-mentioned teacher assists writing device with chalk, wherein the top of the chalk protection sleeve is recessed inwardly in arc
Face structure is located at the lower section of the written protection cap.
Above-mentioned teacher assists writing device with chalk, wherein the protective case is covered equipped with sucker, is located at described
At the end face outside center for protecting upper shield.
Above-mentioned teacher assists writing device with chalk, wherein is equipped at intervals on the upper surface of the chalk pedestal more
The bottom of the anti-skidding raised line of item, chalk is connected by the upper surface of a plurality of anti-skidding raised line and the chalk pedestal.
Above-mentioned teacher assists writing device with chalk, wherein is spaced on the inner side end of the chalk clamped flanges
Equipped with multiple clamping salient points, multiple clamping salient points are pressed on chalk bottom.
Above-mentioned teacher assists writing device with chalk, wherein and movable sleeve is connected to dust cover on the chalk protection sleeve,
The dust cover is globoidal structure the cover on the top of the chalk protection sleeve.
The utility model can be used to adjust the length of chalk, and the hand-held writing of chalk, when writing is convenient for be not directly contacted with powder
Pen reduces influence of the dust to teachers ' health using clean hygiene.
Description of the drawings
Fig. 1 is the exploded view that the utility model teacher assists writing device with chalk.
Fig. 2 is the side view for the chalk protection sleeve that the utility model teacher assists writing device with chalk.
Fig. 3 is the vertical view for the chalk pedestal that the utility model teacher assists writing device with chalk.
Specific implementation mode
The embodiments of the present invention are further illustrated below in conjunction with attached drawing.
It refers to shown in attached drawing 1 to attached drawing 3, a kind of teacher assists writing device with chalk, including chalk protection sleeve 1, protects
Protecting cover 2, multiple length-adjustment holes 3, length fixed pin 4, length adjustment sliding block 5, sliding block connecting rod 6, chalk pedestal 7, pedestal
Mounting hole 8, length adjustment slot 9, chalk clamped flanges 10, written protection cap 11 and two the cover flanges 12；The chalk is protected
Sheath 1 is the hollow cylindrical structure of upper end and lower ending opening, the protection upper shield 2 by threaded adapter be screwed in described in
At the lower ending opening of chalk protection sleeve 1；The upper end-face edge in the chalk protection sleeve 1 is arranged in two the cover flanges 12
At the lower edge of place and the protection upper shield 2, the written protection cap 11 passes through 12 adapter cover of the cover flange
It covers the upper end in the chalk protection sleeve 1 or protects the lower end of upper shield 2；Multiple length-adjustment holes 3, which are respectively separated, to be set
It sets on the front end face of the chalk protection sleeve 1, multiple length-adjustment holes 3 from top to bottom longitudinal arrangement is described
Length adjustment slot 9 is arranged on the side end face of the chalk protection sleeve 1, the length that the length adjustment slot 9 is vertically arranged
Strip structure；One end of the sliding block connecting rod 6 is fixedly connected with the length adjustment sliding block 5, sliding block connection
The other end of bar 6 is fixedly connected with the chalk pedestal 7；The chalk pedestal 7 is arranged through the length adjustment slot 9
In the chalk protection sleeve 1, the chalk pedestal 7 is circular sheet-like structures, the internal diameter of the chalk protection sleeve 1
More than the outer diameter of the chalk pedestal 7；The pedestal mounting hole 8 is arranged in the chalk pedestal 7 and through described
Chalk pedestal 7 front end face, the length fixed pin 4 run through the length-adjustment holes 3 and pedestal mounting hole 8, make institute
The chalk pedestal 7 stated is horizontally set in the chalk protection sleeve 1；The chalk clamped flanges 10 be cirque structure simultaneously
It is arranged in the upper surface edge of the chalk pedestal 7, the bottom of chalk is set vertically by the chalk clamped flanges 10
In on the chalk pedestal 7.
The cover flange 12 wherein described in one is equipped with elastic force clamp bar 13, is located at the upper end of the chalk protection sleeve 1,
The elastic force clamp bar 13 is cirque structure and is wrapped on chalk, and chalk can be kept coaxial and stablized, convenient for making for chalk
With, avoid write when shake and influence font.
The top of the chalk protection sleeve 1 is recessed inwardly in globoidal structure 14, is located at the written protection cap 11
Lower section can be convenient for finger grip chalk protection sleeve 1, writing when more stable, more comfortable.
The protection upper shield 2 is equipped with sucker 15, is located at the end face outside center of the protection upper shield 2, this reality
It is also convenient for storing when not in use, avoids this reality convenient for being taken with the novel surface that can be adsorbed on blackboard or dais by sucker 15
Make internal chalk fracture with novel tumbled from eminence.
It is equipped at intervals with a plurality of anti-skidding raised line 16 on the upper surface of the chalk pedestal 7, the bottom of chalk passes through described
A plurality of anti-skidding raised line 16 and the upper surface of the chalk pedestal 7 connect, and can play anti-skidding effect, be conducive to chalk
Stablize.
Multiple clamping salient points 17, multiple clampings are equipped at intervals on the inner side end of the chalk clamped flanges 10
Salient point 17 is pressed on chalk bottom, further functions as anti-skidding effect, is conducive to the stabilization of chalk.
Movable sleeve is connected to dust cover 18 on the chalk protection sleeve 1, and the dust cover 18 is that globoidal structure the cover exists
The top of the chalk protection sleeve 1 can prevent chalk dust from falling on hand, use clean hygiene writing the when of using.
In use, chalk is placed in chalk protection sleeve 1, it is screwed on and covers protection upper shield 2, chalk pedestal 7 is connected by sliding block
Extension bar 6 turns to horizontal position after being inserted into chalk protection sleeve 1, so that the bottom of chalk is passed through chalk clamped flanges 10 and is placed in chalk bottom
On seat 7；The height that chalk pedestal 7 can be adjusted along length adjustment slot 9 by length adjustment sliding block 5 exposes powder to adjust chalk
The length of the upper end of protective case 1, convenient for writing, by 4 penetrating length adjustment hole 3 of length fixed pin after adjusting to suitable length
With pedestal mounting hole 8, make 7 level altitude of chalk pedestal, you can hand-held to write.When writing, written protection cap 11 is convex by the cover
12 the cover of edge is on protection upper shield 2, and when not writing, written protection cap 11 is by 12 the cover of the cover flange on chalk protection sleeve 1
End, can protect the nib of chalk.
In conclusion the utility model can be used to adjust the length of chalk, it is convenient for the hand-held writing of chalk, when writing is not straight
Contact chalk reduces influence of the dust to teachers ' health using clean hygiene.
Chalk protection sleeve 1 is using chalk protection sleeve in the prior art.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every to utilize equivalent structure transformation made by the utility model description, it is directly or indirectly related with other are attached to
The technical field of product, is equally included in the patent within the scope of the utility model.
Claims (7)
1. a kind of teacher assists writing device with chalk, it is characterised in that：Including chalk protection sleeve, protection upper shield, multiple length
Adjustment hole, length fixed pin, length adjustment sliding block, sliding block connecting rod, chalk pedestal, pedestal mounting hole, length adjustment slot, chalk
Clamped flanges, written protection cap and two the cover flanges；The chalk protection sleeve is the hollow circuit cylinder of upper end and lower ending opening
Shape structure, the protection upper shield are screwed in by threaded adapter at the lower ending opening of the chalk protection sleeve；Described two
The cover flange be arranged at the upper end-face edge of the chalk protection sleeve and the lower edge of the protection upper shield at, it is described
Written protection cap the cover is adapted under the upper end of the chalk protection sleeve or protection upper shield by the cover flange
End；Multiple length-adjustment holes, which are respectively separated, to be arranged on the front end face of the chalk protection sleeve, multiple length
From top to bottom longitudinal arrangement, the length adjustment slot are arranged on the side end face of the chalk protection sleeve degree adjustment hole, institute
The strip structure that the length adjustment slot stated is vertically arranged；It is slided with the length adjustment one end of the sliding block connecting rod
Block is fixedly connected, and the other end of the sliding block connecting rod is fixedly connected with the chalk pedestal；The chalk pedestal passes through
It wears the length adjustment slot to be arranged in the chalk protection sleeve, the chalk pedestal is circular sheet-like structures, described
Chalk protection sleeve internal diameter be more than the chalk pedestal outer diameter；The pedestal mounting hole is arranged at the chalk bottom
Front end face in seat and through the chalk pedestal, the length fixed pin are solid through the length-adjustment holes and pedestal
Determine hole, the chalk pedestal is made to be horizontally set in the chalk protection sleeve；The chalk clamped flanges are circular ring shape
Structure is simultaneously arranged in the upper surface edge of the chalk pedestal, and the bottom of chalk is vertical by the chalk clamped flanges
It is placed on the chalk pedestal.
2. teacher according to claim 1 assists writing device with chalk, it is characterised in that：The cover wherein described in one
Flange is equipped with elastic force clamp bar, is located at the upper end of the chalk protection sleeve, and the elastic force clamp bar is cirque structure and wraps
It is rolled on chalk.
3. teacher according to claim 1 assists writing device with chalk, it is characterised in that：The chalk protection sleeve
Top is recessed inwardly in globoidal structure, is located at the lower section of the written protection cap.
4. teacher according to claim 1 assists writing device with chalk, it is characterised in that：The protective case, which covers, to be set
There is sucker, is located at the end face outside center of the protection upper shield.
5. teacher according to claim 1 assists writing device with chalk, it is characterised in that：The chalk pedestal it is upper
A plurality of anti-skidding raised line is equipped at intervals on end face, the bottom of chalk passes through a plurality of anti-skidding raised line and the chalk pedestal
Upper surface connects.
6. teacher according to claim 1 assists writing device with chalk, it is characterised in that：The chalk clamped flanges
Inner side end on be equipped at intervals with multiple clamping salient points, multiple clamping salient points are pressed on chalk bottom.
7. teacher according to claim 1 assists writing device with chalk, it is characterised in that：On the chalk protection sleeve
Movable sleeve is connected to dust cover, and the dust cover is globoidal structure the cover on the top of the chalk protection sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938836.5U CN208021040U (en) | 2017-07-30 | 2017-07-30 | Teacher assists writing device with chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938836.5U CN208021040U (en) | 2017-07-30 | 2017-07-30 | Teacher assists writing device with chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208021040U true CN208021040U (en) | 2018-10-30 |
Family
ID=63897798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720938836.5U Expired - Fee Related CN208021040U (en) | 2017-07-30 | 2017-07-30 | Teacher assists writing device with chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208021040U (en) |
-
2017
- 2017-07-30 CN CN201720938836.5U patent/CN208021040U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20190730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |