CN108016180A - A kind of foldable teaching blackboard - Google Patents
A kind of foldable teaching blackboard Download PDFInfo
- Publication number
- CN108016180A CN108016180A CN201711418657.XA CN201711418657A CN108016180A CN 108016180 A CN108016180 A CN 108016180A CN 201711418657 A CN201711418657 A CN 201711418657A CN 108016180 A CN108016180 A CN 108016180A
- Authority
- CN
- China
- Prior art keywords
- card
- clipboard
- add
- hollow tube
- bottom plate
- 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
- 230000003028 elevating effect Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
- A47B97/08—Easels or stands for blackboards or the like foldable
-
- 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 foldable teaching blackboard, including bottom plate, support base is equipped with rear side of bottom plate upper end, hollow tube is rotatably connected on support base, elevating lever is equipped with hollow tube, elevating lever is equipped with several location holes, location hole and the matching hole that is located on hollow tube are by positioning pin connection, elevating lever top is connected with clipboard, clipboard upper end is equipped with slot, add-in card is movably installed with slot, add-in card upper end is equipped with handle, screw thread is provided with the hold-down bolt to cooperate with add-in card on rear side of clipboard, accommodating groove is equipped with the outside of hollow tube, connecting rod is hinged with accommodating groove, interlinking lever end is hinged with fixture block, fixture block and the card slot being located on bottom plate cooperate, fixture block is equipped with tie down screw, tie down screw is threadedly coupled with the locking hole being located in card slot, clipboard placing groove is equipped with front side of bottom plate upper end.The freely adjustable height of the present invention, is convenient for carrying, and writing on the blackboard content confidentiality is high, improves teaching efficiency.
Description
Technical field
The invention belongs to teaching equipment field, and in particular to a kind of foldable teaching blackboard.
Background technology
With the raising of the development of education, and economic level, the level and quality of teaching are also constantly improving.Very
More teachers understand and save instructional blocks of time in teaching process, for the ease of student, and the small blackboard independently placed is used in classroom
Impart knowledge to students, often preceding at school first to write on topic on small blackboard, still, existing small blackboard when in use, still remains following
Problem：1st, teacher carries small blackboard and enters teacher, and the item content recorded on blackboard can shift to an earlier date to be known by student, influences classroom religion
Learn effect；2nd, there was only an independent clipboard, need to be after students finish topic to avoid Publication ahead answer, then incite somebody to action
Correct option is written on small blackboard, wastes instructional blocks of time；3rd, existing small blackboard is highly fixed, and the students' union of heel row does not see
Writing on the blackboard content；4th, volume is larger, not Portable belt, occupied space when leaving unused.
The content of the invention
The present invention is directed to the deficiency in background technology, there is provided a kind of foldable teaching blackboard, can be free by the present invention
Height is adjusted, is convenient for carrying, in advance separately writes topic and answer easy to teacher, and confidentiality is high, saves instructional blocks of time, carries
High teaching efficiency.
To achieve the above object, the technology of the present invention solution is as follows：
A kind of foldable teaching blackboard, including bottom plate, the bottom plate upper end rear side are equipped with support base, are rotatably connected on support base
Hollow tube, hollow tube is interior to be equipped with elevating lever, and the elevating lever is equipped with several location holes, and location hole is with being located on hollow tube
For matching hole by positioning pin connection, the elevating lever top is connected with clipboard, and the clipboard upper end is equipped with slot, in slot
Add-in card is movably installed with, add-in card upper end is equipped with handle, and screw thread is provided with and add-in card mutual cooperation on rear side of the clipboard
Hold-down bolt, hold-down bolt end fits with add-in card, is equipped with accommodating groove on the outside of the hollow tube, is hinged with accommodating groove
Connecting rod, interlinking lever end are hinged with fixture block, and fixture block and the card slot being located on bottom plate cooperate, and the fixture block is equipped with locking screw
Bar, tie down screw are threadedly coupled with the locking hole being located in card slot, and clipboard placing groove is equipped with front side of the bottom plate upper end.
Preferably, the fixture block is equipped with magnet A, and magnet A and the magnet B being located in accommodating groove cooperate.
Preferably, the rear side of the elevating lever top and clipboard carries out screw connection by clip.
Preferably, the clipboard top is equipped with add-in card Wiping mechanism, add-in card Wiping mechanism include baffle, blackboard eraser and
Spring, the baffle are located on rear side of clipboard top, and baffle both ends are wiped by spring coupling plate, and the blackboard eraser is in strip, and plate
The length of wiping is more than the length of add-in card.
Preferably, the hold-down bolt end is equipped with resilient rubbber cushion.
Relative to the prior art, the present invention has the beneficial effect that：
Clipboard, easy to the rotation of hollow tube, can be put into clipboard by the present invention using the rotation connection of support base and hollow tube
In accommodating groove, not only reduce area occupied, it is easy to carry, and clipboard content can be prevented by publicity in advance；The present invention utilizes
The cooperation of fixture block and card slot, tie down screw and locking hole, it is ensured that teacher is in writing on the blackboard on clipboard, stable structure, in addition, sharp
Cooperated with matching hole in elevating lever upper Positioning holes and hollow tube, easy to the height of regulating writing plate；In clipboard of the present invention
It equipped with add-in card, can additionally increase writing on the blackboard content, for example topic answer is write for teacher, easy to improve the confidentiality of answer,
Save instructional blocks of time.Structure of the present invention is novel, reasonable, easy to use, suitable to promote.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, further feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is backsight structural representation of the present invention；
Fig. 3 is overlooking the structure diagram of the present invention；
Fig. 4 is enlarged structure schematic diagram at the C of Fig. 1 of the present invention；
Fig. 5 is enlarged structure schematic diagram at the D of Fig. 1 of the present invention；
In figure：1st, bottom plate, 2, support base, 3, hollow tube, 4, elevating lever, 5, location hole, 6, matching hole, 7, positioning pin, 8, writing
Plate, 9, slot, 10, add-in card, 11, handle, 12, hold-down bolt, 13, accommodating groove, 14, connecting rod, 15, fixture block, 16, card slot, 17,
Tie down screw, 18, locking hole, 19, clipboard placing groove, 20, magnet A, 21, magnet B, 22, clip, 23, screw, 24, baffle,
25th, blackboard eraser, 26, spring.
Embodiment
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, with reference to
Embodiment, the present invention is further explained.
As shown in Figures 1 to 5, a kind of foldable teaching blackboard, including bottom plate 1, bottom plate upper end rear side are equipped with support base 2,
Hollow tube 3 is rotatably connected on support base, elevating lever 4 is equipped with hollow tube, elevating lever is equipped with several location holes 5, positioning
Hole is connected with the matching hole 6 being located on hollow tube by positioning pin 7, and elevating lever top is connected with clipboard 8, elevating lever top with
The rear side of clipboard carries out screw 23 by clip 22 and connects, and easy to the dismounting of clipboard and elevating lever, clipboard upper end is equipped with
Slot 9, is movably installed with add-in card 10 in slot, and add-in card upper end is equipped with handle 11, on rear side of clipboard screw thread be provided with it is attached
The hold-down bolt 12 that splice cooperates, hold-down bolt end fit with add-in card, and hold-down bolt end is equipped with elastic rubber
Pad, prevents that additional plate surface is caused to damage, is equipped with accommodating groove 13 on the outside of hollow tube, connecting rod 14, connecting rod are hinged with accommodating groove
End is hinged with fixture block 15, and fixture block cooperates with the card slot 16 being located on bottom plate, and fixture block is equipped with tie down screw 17, locking screw
Bar is threadedly coupled with the locking hole 18 being located in card slot, is equipped with clipboard placing groove 19 on front side of bottom plate upper end, fixture block is equipped with magnetic
Iron A20, magnet A cooperate with the magnet B 21 being located in accommodating groove, and clipboard top is equipped with add-in card Wiping mechanism, add
Plate Wiping mechanism includes baffle 24, blackboard eraser 25 and spring 26, and baffle is located on rear side of clipboard top, and baffle both ends are connected by spring
Fishplate bar is wiped, and blackboard eraser is in strip, and the length of blackboard eraser is more than the length of add-in card.
The operation principle of the present invention is as follows：
As shown in Figures 1 to 5, in use, teacher can at school before, topic is documented on clipboard 8, and by its correct option
It is documented on add-in card 10, then add-in card is placed in slot 9, tie down screw 17 is then rotated, by fixture block 15 and card slot
16 separation, and using the cooperation of magnet A 20 and magnet B 21, connecting rod 14 is fixed in accommodating groove 13, regulates alignment pin 7, will rise
Drop bar 4 to take in hollow tube 3, rotating hollow tube, makes clipboard be put into the clipboard placing groove 19 of bottom plate upper end, reduces body
Product, it is easy to carry, while when bringing classroom into, student can be avoided to see the content on clipboard.
On classroom, it is necessary in use, again erect hollow tube 3 and clipboard 8, fixture block 15 and card slot 16, locking screw are utilized
The cooperation of bar 17 and locking hole 18, hollow tube 3 is fixed, then utilizes the height of 7 regulating writing plate 8 of positioning pin, student
Answer can then be carried out, after answer, strip blackboard eraser 25 is pulled along by teacher, by handle 11 by add-in card be lifted up to
Proper height, and hold-down bolt 12 is screwed, add-in card 10 is fixed, student then can compare correct option one by one and be learnt.
After use, teacher unclamps hold-down bolt 12 again, and add-in card 10 is progressively put into slot, at this time in spring 26
Under the action of, blackboard eraser 25 is close to 10 surface of add-in card, and the writing for adding plate surface is wiped, reduces the work of teacher
Amount, then progressively clipboard income clipboard placing groove 19 is interior again.
The basic principles, main features and the advantages of the invention have been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes fallen in the implication and scope of the equivalency of claim in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (5)
1. a kind of foldable teaching blackboard, including bottom plate, it is characterised in that：Support base is equipped with rear side of the bottom plate upper end, is supported
Be rotatably connected to hollow tube on seat, be equipped with elevating lever in hollow tube, the elevating lever is equipped with several location holes, location hole and
The matching hole being located on hollow tube is connected with clipboard, the clipboard upper end by positioning pin connection, the elevating lever top
Equipped with slot, be movably installed with add-in card in slot, add-in card upper end is equipped with handle, on rear side of the clipboard screw thread be provided with
The hold-down bolt that add-in card cooperates, hold-down bolt end fit with add-in card, and accommodating groove is equipped with the outside of the hollow tube,
Connecting rod is hinged with accommodating groove, interlinking lever end is hinged with fixture block, and fixture block and the card slot being located on bottom plate cooperate, the fixture block
Tie down screw is equipped with, tie down screw is threadedly coupled with the locking hole being located in card slot, and writing is equipped with front side of the bottom plate upper end
Plate placing groove.
A kind of 2. foldable teaching blackboard as claimed in claim 1, it is characterised in that：The fixture block is equipped with magnet A, magnet
A and the magnet B being located in accommodating groove cooperate.
A kind of 3. foldable teaching blackboard as claimed in claim 1, it is characterised in that：The elevating lever top and clipboard
Rear side carries out screw connection by clip.
A kind of 4. foldable teaching blackboard as claimed in claim 1, it is characterised in that：The clipboard top is equipped with add-in card
Wiping mechanism, add-in card Wiping mechanism include baffle, blackboard eraser and spring, and the baffle is located on rear side of clipboard top, baffle two
End is wiped by spring coupling plate, and the blackboard eraser is in strip, and the length of blackboard eraser is more than the length of add-in card.
A kind of 5. foldable teaching blackboard as claimed in claim 1, it is characterised in that：The hold-down bolt end is equipped with elasticity
Rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418657.XA CN108016180A (en) | 2017-12-25 | 2017-12-25 | A kind of foldable teaching blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418657.XA CN108016180A (en) | 2017-12-25 | 2017-12-25 | A kind of foldable teaching blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108016180A true CN108016180A (en) | 2018-05-11 |
Family
ID=62074611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711418657.XA Pending CN108016180A (en) | 2017-12-25 | 2017-12-25 | A kind of foldable teaching blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108016180A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573638A (en) * | 2018-06-11 | 2018-09-25 | 潍坊科技学院 | A multifunctional display board for English teaching |
| CN109118886A (en) * | 2018-09-13 | 2019-01-01 | 安徽倍思特教育科技有限公司 | A kind of multifunction teaching frame and application method for etiquette teaching |
| CN109130608A (en) * | 2018-08-29 | 2019-01-04 | 佛山市禅城区步步高教育培训中心 | A kind of kindergarten teaching blackboard |
| CN110507097A (en) * | 2019-08-27 | 2019-11-29 | 陈厚锦 | A kind of sketch from life easel and its application method |
-
2017
- 2017-12-25 CN CN201711418657.XA patent/CN108016180A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573638A (en) * | 2018-06-11 | 2018-09-25 | 潍坊科技学院 | A multifunctional display board for English teaching |
| CN109130608A (en) * | 2018-08-29 | 2019-01-04 | 佛山市禅城区步步高教育培训中心 | A kind of kindergarten teaching blackboard |
| CN109118886A (en) * | 2018-09-13 | 2019-01-01 | 安徽倍思特教育科技有限公司 | A kind of multifunction teaching frame and application method for etiquette teaching |
| CN110507097A (en) * | 2019-08-27 | 2019-11-29 | 陈厚锦 | A kind of sketch from life easel and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180511 |