CN107351573A - A kind of teaching aid - Google Patents
A kind of teaching aid Download PDFInfo
- Publication number
- CN107351573A CN107351573A CN201610737096.9A CN201610737096A CN107351573A CN 107351573 A CN107351573 A CN 107351573A CN 201610737096 A CN201610737096 A CN 201610737096A CN 107351573 A CN107351573 A CN 107351573A
- Authority
- CN
- China
- Prior art keywords
- blackboard
- guide rail
- blackboard eraser
- drive mechanism
- collecting tank
- 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
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of teaching aid, including：Blackboard body；Sliding frame, it includes a pair of first guide rails laterally set and a second vertically arranged guide rail；Blackboard eraser seat；Blackboard eraser body；First collecting tank, it is connected to the following side of blackboard eraser seat, and the notch of the first collecting tank includes main part and the front side wall made of rubber made of rigid plastics towards blackboard eraser body, the first collecting tank, when blackboard eraser body keeps contacting with blackboard body, front side wall is in close contact with blackboard body；Second collecting tank, it is strip, is set along the lower edge of blackboard body, the bottom and both sides of the second collecting tank are all covered with one layer of cavernous body, water are adsorbed with cavernous body；First drive mechanism；And second drive mechanism；Control device, it controls the first drive mechanism and the second drive mechanism alternation.The present invention realizes the auto-erasing to the chalk writing in blackboard body.
Description
Technical field
The present invention relates to a kind of teaching aid.
Background technology
Although current electronic whiteboard is increasingly being applied to classroom instruction field, thoroughly more exchange device is a phase
When the work wasted time and energy, it is the teaching aid most generally used that blackboard, which remains on,.There is experience with students for many years especially for some
For teacher, chalk-writing writing on the blackboard almost turns into its important content given lessons.But traditional blackboard an inconvenience lie in that,
Every class terminates, or needs to write before writing on the blackboard the chalk writing, it is necessary on manual erasing blackboard again.On the one hand it is more unrestrained
Time-consuming, another aspect chalk dust also easily carrys out harmful effect to the health care belt of human body.
The content of the invention
The present invention has designed and developed a kind of teaching aid.
Technical scheme provided by the invention is：
A kind of teaching aid, including：
Blackboard body；
Sliding frame, it includes a pair of first guide rails laterally set and a second vertically arranged guide rail, a pair
First guide rail is arranged at the outside at the upper and lower edge of the blackboard body, and second guide rail is slidably disposed on a pair
On one guide rail；
Blackboard eraser seat, it is slidably disposed on second guide rail；
Blackboard eraser body, it is arranged on the blackboard eraser seat, and marches to the front side of the blackboard body in second guide rail
When, the blackboard eraser body keeps contacting with the blackboard body；
First collecting tank, it is connected to the following side of the blackboard eraser seat, and between first collecting tank and the blackboard eraser body
At a certain distance, the notch of first collecting tank is towards the blackboard eraser body, and protrudes from the erasing of the blackboard eraser body forward
Face, first collecting tank includes main part and the front side wall made of rubber made of rigid plastics, in the plate
When rub body keeps contacting with the blackboard body, the front side wall is in close contact with the blackboard body；
Second collecting tank, it is strip, is set along the lower edge of the blackboard body, before the blackboard body
Side, the bottom and both sides of second collecting tank are all covered with one layer of cavernous body；
First drive mechanism, it is connected to second guide rail, to drive second guide rail along first guide rail
Slide；And
Second drive mechanism, it is connected to the blackboard eraser seat, to drive the blackboard eraser seat to be slided along second guide rail；
Control device, it is connected to first drive mechanism and second drive mechanism, control first driving
Mechanism and the second drive mechanism work in a predefined manner：
First drive mechanism and the second drive mechanism alternation, until second guide rail is from described first
One end of guide rail is moved to the other end of first guide rail, and in each work period, first drive mechanism is first
Second guide rail is driven then to be stopped along first guide rail, one preset distance of traveling, first drive mechanism, it
Second drive mechanism drives the blackboard eraser seat to be moved to the another of second guide rail from one end of second guide rail again afterwards
One end, second drive mechanism are stopped again, wherein, the preset distance is less than or equal to the width of the blackboard eraser body.
Preferably, described teaching aid, in addition to：
Remote control, it is connected to the control device, sends control signal to the control device, makes the control device
First drive mechanism and second drive mechanism is controlled to work in a predefined manner.
Preferably, in described teaching aid, when second guide rail marches to the front side of the blackboard body, institute
The distance between blackboard eraser body and described blackboard body is stated to be designed as：The blackboard eraser body is by the blackboard eraser seat and the blackboard body
Extruding and deform.
Preferably, in described teaching aid, the initial position of second guide rail is the left side of the blackboard body
The outside at edge or the outside of right side edge.
Preferably, in described teaching aid, the width of the blackboard eraser body is 1.1~1.2 times of the preset distance.
Preferably, in described teaching aid, first collecting tank is to be detachably connectable to the blackboard eraser seat
Following side.
Teaching aid of the present invention devises sliding frame on the outside of blackboard body, and the second guide rail is slideably set
Put on the first guide rail, blackboard eraser seat is slidably disposed on the second guide rail, the second guide rail slide a preset distance, blackboard eraser seat from
One end of second guide rail is to the other end, so as the second guide rail gradually slides into the another of the first guide rail from one end of the first guide rail
One end, blackboard eraser body can wipe the chalk writing in blackboard body；The present invention is provided with one in the following side of blackboard eraser seat
First collecting tank, because the wiping speed and wiping dynamics of blackboard eraser body keep constant, it is low that chalk dust flies upward degree, chalk dust meeting
Fall directly into the first collecting tank, avoid influenceing ground health situation；The present invention sets a strip in the lower edge of blackboard body
Second collecting tank of shape, the bottom and both sides of the second collecting tank cover one layer of cavernous body, and cavernous body is adsorbed with water, works as chalk
It when ash is fallen into the second collecting tank, can be soaked in water, avoid chalk dust from flying upward or be scattered to outside the second collecting tank again.This
Invention realizes the auto-erasing to the chalk writing in blackboard body, improves the comfort level in blackboard device use.
Brief description of the drawings
Fig. 1 is the structural representation of teaching aid of the present invention.
Fig. 2 is the structural representation of blackboard eraser body of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As depicted in figs. 1 and 2, the present invention provides a kind of teaching aid, including：Blackboard body；Sliding frame, it includes horizontal stroke
Second guide rail 3 vertically arranged to a pair of 1,2 and one, first guide rails of setting, a pair of first guide rails are arranged at the blackboard
The outside at the upper and lower edge of body 6, second guide rail are slidably disposed on a pair of first guide rails；Blackboard eraser seat 4, it can
It is slidably arranged on second guide rail；Blackboard eraser body 5, it is arranged on the blackboard eraser seat, and is advanced in second guide rail
To the blackboard body front side when, the holding of the blackboard eraser body and the blackboard body contacts；First collecting tank 7, it is connected to
The following side of the blackboard eraser seat 4, and first collecting tank and the blackboard eraser body are spaced apart, first collecting tank
Notch 8 protrudes from forward the erasing face of the blackboard eraser body towards the blackboard eraser body, and first collecting tank is included by hard
Main part made of plastics and front side wall 9 made of rubber, keep contacting with the blackboard body in the blackboard eraser body
When, the front side wall is in close contact with the blackboard body；Second collecting tank 10, it is strip, along the blackboard body 6
Lower edge is set, and positioned at the front side of the blackboard body, the bottom and both sides of second collecting tank are all covered with one layer of sea
Continuous body 11, water is adsorbed with cavernous body；First drive mechanism, it is connected to second guide rail, to drive second guide rail
Slided along first guide rail；And second drive mechanism, it is connected to the blackboard eraser seat, with drive the blackboard eraser seat along
Second guide rail slides；Control device, it is connected to first drive mechanism and second drive mechanism, described in control
First drive mechanism and the second drive mechanism work in a predefined manner：First drive mechanism and second drive mechanism
Alternation, until second guide rail is moved to the other end of first guide rail from one end of first guide rail, and
In each work period, first drive mechanism first drives second guide rail predetermined along first guide rail traveling one
Distance, first drive mechanism are then stopped, and second drive mechanism drives the blackboard eraser seat from described again afterwards
One end of two guide rails is moved to the other end of second guide rail, and second drive mechanism is stopped again, wherein, it is described pre-
Set a distance is less than or equal to the width of the blackboard eraser body.
In the present invention, the first drive mechanism and the second drive mechanism alternation, i.e., when the second guide rail is along the first guide rail
As soon as moving the preset distance width of blackboard eraser body (preset distance be less than or equal to), stop at current location, blackboard eraser seat with
Blackboard eraser body is moved to the other end from one end of the second guide rail, so as to be wiped to the chalk writing of current location；Afterwards second
Guide rail moves preset distance again, and blackboard eraser seat is moved to the other end from one end of the second guide rail again.So it is repeated, blackboard eraser body is just
The whole surface of blackboard body has been traveled through, it is clean so as to which the chalk writing in blackboard body be wiped.
Above-mentioned first collecting tank is connected to the following side of blackboard eraser seat, while the first collecting tank and the spacing of blackboard eraser body interval one
From, notch towards blackboard eraser body.When blackboard eraser body is vertically movable along blackboard body, the translational speed and wiping speed of blackboard eraser body are
It is metastable, which reduce the degree of flying upward of chalk dust, and then chalk dust is naturally fallen in the first collecting tank.And
The notch of first collecting tank protrudes from the wiping surface of blackboard eraser body, and the front side wall of the first collecting tank of rubber by being made up, main part
It is made of plastics, when blackboard eraser body contacts with blackboard body, the front side wall of the first collecting tank can be squeezed and occur slightly to become
Shape, and then make the front side wall of the first collecting tank and blackboard body keep being closely contacted, so as to preferably collect chalk dust.
The present invention sets the second collecting tank outside the lower edge of blackboard body, when blackboard eraser body moves along the second guide rail,
A part of chalk dust can be fallen into the second collecting tank, be collected.And the bottom of the second collecting tank and two sidepieces are equal
Covered with one layer of cavernous body, water is adsorbed with the cavernous body.When chalk dust is fallen into the second collecting tank, chalk dust is flooded
It is wet, so as to be bonded to agglomerate.Periodically clean water can be poured into the second collecting tank.
Preferably, described teaching aid, in addition to：Remote control, it is connected to the control device, to the control
Device sends control signal, the control device is controlled first drive mechanism and second drive mechanism with predetermined party
Formula works.When writing on the blackboard has write full blackboard body, it is necessary to when wiping, teacher can first pass through remote control device control device, make
Blackboard eraser body wipes writing on the blackboard；During blackboard eraser body is wiped, teacher first explains other guide, when blackboard eraser body wipes, teacher's book again
Write new writing on the blackboard.The present invention further increases the flexibility in the use of blackboard device.
Preferably, in described teaching aid, when second guide rail marches to the front side of the blackboard body, institute
The distance between blackboard eraser body and described blackboard body is stated to be designed as：The blackboard eraser body is by the blackboard eraser seat and the blackboard body
Extruding and deform.Blackboard eraser body generally use sponge or cotton, when slight deformation occurs, it is ensured that blackboard eraser body is by word
Mark erasing is clean.
Preferably, in described teaching aid, the initial position of second guide rail is the left side of the blackboard body
The outside at edge or the outside of right side edge, so as to avoid interfering with the normal of teacher when the second guide rail and blackboard eraser seat do not work
Writing.
Preferably, in described teaching aid, the width of the blackboard eraser body is 1.1~1.2 times of the preset distance,
I.e. blackboard eraser body often all has the overlapping of small range in the wiped region of row with the region that lastrow is wiped.Due to the edge of blackboard eraser body
Part stress is smaller, erasing halfway situation of the marginal portion of blackboard eraser body to blackboard body easily occurs, above-mentioned design can
To avoid the occurrence of such case.
Preferably, in described teaching aid, first collecting tank is to be detachably connectable to the blackboard eraser seat
Following side, in order to clear up the chalk dust in the first collecting tank in time.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (6)
- A kind of 1. teaching aid, it is characterised in that including：Blackboard body；Sliding frame, it includes a pair of first guide rails laterally set and a second vertically arranged guide rail, a pair first Guide rail is arranged at the outside at the upper and lower edge of the blackboard body, and second guide rail is slidably disposed on a pair first and led On rail；Blackboard eraser seat, it is slidably disposed on second guide rail；Blackboard eraser body, it is arranged on the blackboard eraser seat, and when second guide rail marches to the front side of the blackboard body, institute Blackboard eraser body is stated to keep contacting with the blackboard body；First collecting tank, it is connected to the following side of the blackboard eraser seat, and first collecting tank and the blackboard eraser body interval one Set a distance, the notch of first collecting tank protrude from forward the erasing face of the blackboard eraser body towards the blackboard eraser body, institute State the first collecting tank include made of rigid plastics main part and the front side wall made of rubber, the blackboard eraser body with When the blackboard body keeps contact, the front side wall is in close contact with the blackboard body；Second collecting tank, it is strip, is set along the lower edge of the blackboard body, positioned at the front side of the blackboard body, The bottom and both sides of second collecting tank are all covered with one layer of cavernous body, and water is adsorbed with cavernous body；First drive mechanism, it is connected to second guide rail, to drive second guide rail to be slided along first guide rail； AndSecond drive mechanism, it is connected to the blackboard eraser seat, to drive the blackboard eraser seat to be slided along second guide rail；Control device, it is connected to first drive mechanism and second drive mechanism, controls first drive mechanism Worked in a predefined manner with the second drive mechanism：First drive mechanism and the second drive mechanism alternation, until second guide rail is from first guide rail One end be moved to the other end of first guide rail, and in each work period, first drive mechanism first drives Second guide rail is then stopped along first guide rail, one preset distance of traveling, first drive mechanism, Zhi Housuo The other end that the second drive mechanism drives the blackboard eraser seat to be moved to second guide rail from one end of second guide rail again is stated, Second drive mechanism is stopped again, wherein, the preset distance is less than or equal to the width of the blackboard eraser body.
- 2. teaching aid as claimed in claim 1, it is characterised in that also include：Remote control, it is connected to the control device, and control signal is sent to the control device, controls the control device First drive mechanism and second drive mechanism work in a predefined manner.
- 3. teaching aid as claimed in claim 2, it is characterised in that march to the blackboard body in second guide rail During front side, the distance between the blackboard eraser body and described blackboard body are designed as：The blackboard eraser body is by the blackboard eraser seat and institute State the extruding of blackboard body and deform.
- 4. teaching aid as claimed in claim 3, it is characterised in that the initial position of second guide rail is the blackboard sheet The outside of the left side edge of body or the outside of right side edge.
- 5. teaching aid as claimed in claim 1, it is characterised in that the width of the blackboard eraser body is the preset distance 1.1~1.2 times.
- 6. teaching aid as claimed in claim 1, it is characterised in that first collecting tank is described to be detachably connectable to The following side of blackboard eraser seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737096.9A CN107351573A (en) | 2016-12-20 | 2016-12-20 | A kind of teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737096.9A CN107351573A (en) | 2016-12-20 | 2016-12-20 | A kind of teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107351573A true CN107351573A (en) | 2017-11-17 |
Family
ID=60271458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610737096.9A Pending CN107351573A (en) | 2016-12-20 | 2016-12-20 | A kind of teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107351573A (en) |
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| CN106142925A (en) * | 2016-08-26 | 2016-11-23 | 樊艳姣 | A kind of automatization blackboard device |
| CN106142924A (en) * | 2016-08-26 | 2016-11-23 | 樊艳姣 | A kind of can the blackboard device of auto-erasing |
| CN106142923A (en) * | 2016-08-26 | 2016-11-23 | 樊艳姣 | A kind of can the blackboard of automatic water-supply |
| CN106142926A (en) * | 2016-08-26 | 2016-11-23 | 樊艳姣 | A kind of intelligent blackboard controlled by contact panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201530236U (en) * | 2009-11-19 | 2010-07-21 | 宋雨茜 | convenient blackboard eraser |
| CN201530231U (en) * | 2009-11-20 | 2010-07-21 | 王思远 | Visual identification fully automatic control blackboard erasing device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20171117 |