CN208646428U - A kind of blackboard for teaching - Google Patents
A kind of blackboard for teaching Download PDFInfo
- Publication number
- CN208646428U CN208646428U CN201820483550.7U CN201820483550U CN208646428U CN 208646428 U CN208646428 U CN 208646428U CN 201820483550 U CN201820483550 U CN 201820483550U CN 208646428 U CN208646428 U CN 208646428U
- Authority
- CN
- China
- Prior art keywords
- board
- blackboard
- fixed
- telescopic rod
- sliding slot
- 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 blackboard for teaching, including blackboard body, the both ends of blackboard body are respectively equipped with the first board and the second board, bottom end inside blackboard body is fixed with the first U-shaped sliding slot, the bottom end of first board and the second board is fixed with draw runner, first U-shaped sliding slot is slidably connected with draw runner, and the bottom of the first board and the second board side opens up fluted, and two inner sidewalls of groove are fixed with the second U-shaped sliding slot.When blackboard space is limited when the utility model plays teacher at school by the first board being equipped with and the second board, the effect in space of writing enough is provided, play the role of limiting the first board and second by the cooperation for the first limit block and the second limit block being equipped with and write Board position, play the role of fixing the first board and the second board by the first bolt being equipped with, passes through the cooperation of the draw runner being equipped with and the first U-shaped sliding slot the first board easy to remove and the second board.
Description
Technical field
The utility model relates to teaching equipment technical field, specially a kind of blackboard for teaching.
Background technique
Currently, the blackboard used in classroom is use of writing of teaching for classroom, however existing blackboard structure is fixed at present,
Most fixation and metope, can not carry out height adjustment and movement, not only the writing of inconvenient teacher, but also carry also extremely not
Just, while because blackboard size is fixed, classroom area is occupied if too big, if too small inadequate teacher writes, so causing to learn
Raw learning time is reduced, to cause learning efficiency low, therefore we make improvement to this, proposes a kind of impart knowledge to students with black
Plate.
Utility model content
To solve the not easily shifted difficult adjustment with height of blackboard of the existing technology and will affect student's learning efficiency
Defect, the utility model provide a kind of blackboard for teaching.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of blackboard for teaching of the utility model, including blackboard body, the both ends of the blackboard body are respectively equipped with first
Board and the second board, the bottom end inside the blackboard body are fixed with the first U-shaped sliding slot, first board and
The bottom end of second board is fixed with draw runner, and the first U-shaped sliding slot is slidably connected with draw runner, first board and
The bottom of second board side opens up fluted, and two inner sidewalls of the groove are fixed with the second U-shaped sliding slot, institute
The inside for stating groove is equipped with chalk placing groove, and the both ends of the chalk placing groove are fixed with sliding block, the second U-shaped sliding slot
It is slidably connected with sliding block, the both ends of the blackboard body bottom are fixed with the first electric telescopic rod, and described first electronic stretches
The bottom end of contracting bar is fixedly installed with universal wheel, and the bottom of first electric telescopic rod is interspersed to be connected with fixed plate, the fixation
The both ends in board bottom portion are fixed with the second electric telescopic rod, and the bottom end of second electric telescopic rod is fixedly installed with sucker,
First electric telescopic rod and the second electric telescopic rod pass through switch and are electrically connected with the power supply.
Further, the both ends at the top of the blackboard body, which are interted, is connected with the first bolt, and the one of first bolt
End is in contact with the top of the first board and the second board respectively.
Further, the bottom of first board and the second board side is interspersed is connected with the second bolt, institute
The one end for stating the second bolt is in contact with the side of sliding block.
Further, the both ends of the one of inner sidewall of the blackboard body are fixed with the first limited block, and described
The side of one board and the second board is fixed with the second limited block to match with the first limited block positions and dimensions.
Further, the side at the top of the sucker is fixedly installed with solenoid valve, and the solenoid valve passes through switch and power supply
It is electrically connected.
Compared with prior art, the utility model has the following beneficial effects: this kind of blackboard for teaching, by be equipped with
When blackboard space is limited when one board and the second board play the role of teacher at school, space of writing enough is provided, is led to
Cross equipped with the cooperations of the first limit block and the second limit block play the role of limiting the first board and second and write Board position,
Play the role of fixing the first board and the second board by the first bolt being equipped with, passes through the draw runner and the first U being equipped with
The cooperation of type sliding slot the first board easy to remove and the second board, while reducing the occupied area of blackboard, by being equipped with
Chalk placing groove convenient for placing chalk and the chalk dust that falls of storage, by the cooperation of the sliding block being equipped with and the second U-shaped sliding slot,
It is convenient for by the universal wheel being equipped with blackboard easy to remove by the first electric telescopic rod being equipped with convenient for sliding chalk placing groove
The height of blackboard is adjusted, so that teacher be facilitated to write on blackboard, fixed and universal wheel is played the role of by the sucker being equipped with,
Its automatic moving is prevented, plays the role of adjusting sucker height by the second electric telescopic rod being equipped with, passes through the fixation being equipped with
Plate plays the role of supporting and fixing the second electric telescopic rod.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of blackboard for teaching of the utility model；
Fig. 2 is a kind of side view of blackboard for teaching part of the utility model；
Fig. 3 is a kind of structural schematic diagram of blackboard for teaching part of the utility model；
Fig. 4 is a kind of structural schematic diagram of blackboard for teaching local interior of the utility model.
In figure: 1, blackboard body；2, the first board；3, the second board；4, the first bolt；5, the second bolt；6, sliding
Item；7, groove；8, the first electric telescopic rod；9, fixed plate；10, the second electric telescopic rod；11, universal wheel；12, sucker；13,
One U-shaped sliding slot；14, the first limited block；15, chalk placing groove；16, sliding block；17, the second limited block；18, the second U-shaped sliding slot.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs 1-4, a kind of blackboard for teaching, including blackboard body 1, the both ends of blackboard body 1 are respectively equipped with first
Board 2 and the second board 3, the bottom end inside blackboard body 1 are fixed with the first U-shaped sliding slot 13, the first board 2 and
The bottom end of two boards 3 is fixed with draw runner 6, and the first U-shaped sliding slot 13 is slidably connected with draw runner 6, the first board 2 and second
The bottom of 3 side of board opens up fluted 7, and two inner sidewalls of groove 7 are fixed with the second U-shaped sliding slot 18, groove 7
Inside be equipped with chalk placing groove 15, the both ends of chalk placing groove 15 are fixed with sliding block 16, the second U-shaped sliding slot 18 and sliding block
16 are slidably connected, and the both ends of 1 bottom of blackboard body are fixed with the first electric telescopic rod 8, the bottom end of the first electric telescopic rod 8
It is fixedly installed with universal wheel 11, the bottom of the first electric telescopic rod 8 is interspersed to be connected with fixed plate 9, and the both ends of 9 bottom of fixed plate are equal
It is fixed with the second electric telescopic rod 10, the bottom end of the second electric telescopic rod 10 is fixedly installed with sucker 12, the first electric expansion
Bar 8 and the second electric telescopic rod 10 are electrically connected with the power supply by switch.
Wherein, the both ends at the top of blackboard body 1 are interspersed is connected with the first bolt 4, and one end of the first bolt 4 is respectively with the
The top of one board 2 and the second board 3 is in contact, and the first bolt 5 plays the role of fixed draw runner.
Wherein, the bottom of 3 side of the first board 2 and the second board is interspersed is connected with the second bolt 5, the second bolt
5 one end is in contact with the side of sliding block 16, and the second bolt 5 plays the role of fixed sliding block 16.
Wherein, the both ends of the one of inner sidewall of blackboard body 1 are fixed with the first limited block 14, the first board 2
It is fixed with the second limited block 17 to match with 14 positions and dimensions of the first limited block with the side of the second board 3, first
The cooperation of limited block 14 and the second limited block 17 is played the role of limiting the first board 2 and 3 position of the second board.
Wherein, the side at 12 top of sucker is fixedly installed with solenoid valve, and solenoid valve is electrically connected with the power supply by switch, electricity
Magnet valve plays the role of controlling sucker 12.
It should be noted that the utility model is a kind of blackboard for teaching, when specific works, firstly, blackboard body 1 is led to
It crosses universal wheel and is moved to classroom, then extended by the second electric telescopic rod of switch control 10, so that sucker 12 and ground face contact,
Then sucker 12 is started by solenoid valve, it is made to adsorb ground, blackboard body 1 is fixed, it is then U-shaped by draw runner 6 and first
The cooperation of sliding slot 13 skids off the first board 2 and the second board 3 out of blackboard body 1, until the first limited block 14 and
Two limited blocks 17 are in contact, and can not again slide in and out the first board 2 and the second board 3 at this time, then tighten the first bolt
4, so that draw runner 6 is fixed, the fixation to the first board 2 and the second board 3 is completed, then passes through the second U-shaped 18 He of sliding slot
Chalk placing groove 15 is extracted out out of groove 7, then tightens the second bolt 5 by the cooperation of sliding block 16, so that chalk placing groove 15 is solid
Fixed, teacher can place chalk in it, help himself freely to convenient for upper class hour, upper class hour, and teacher can pass through switch-mode regulation first
Electric telescopic rod 8 is write so as to adjust the height of blackboard body 1 convenient for teacher.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of blackboard for teaching, including blackboard body (1), which is characterized in that the both ends of the blackboard body (1) are respectively equipped with
First board (2) and the second board (3), the internal bottom end of the blackboard body (1) are fixed with the first U-shaped sliding slot
(13), the bottom end of first board (2) and the second board (3) is fixed with draw runner (6), the first U-shaped sliding slot
(13) it is slidably connected with draw runner (6), the bottom of first board (2) and the second board (3) side opens up fluted
(7), two inner sidewalls of the groove (7) are fixed with the second U-shaped sliding slot (18), and the inside of the groove (7) is equipped with powder
Placing groove (15), the both ends of the chalk placing groove (15) are fixed with sliding block (16), the second U-shaped sliding slot (18) with
Sliding block (16) is slidably connected, and the both ends of blackboard body (1) bottom are fixed with the first electric telescopic rod (8), and described
The bottom end of one electric telescopic rod (8) is fixedly installed with universal wheel (11), the interspersed connection in the bottom of first electric telescopic rod (8)
Have fixed plate (9), the both ends of fixed plate (9) bottom are fixed with the second electric telescopic rod (10), and described second is electronic
The bottom end of telescopic rod (10) is fixedly installed with sucker (12), first electric telescopic rod (8) and the second electric telescopic rod (10)
It is electrically connected with the power supply by switch.
2. a kind of blackboard for teaching according to claim 1, which is characterized in that the both ends at the top of the blackboard body (1)
It is interspersed to be connected with the first bolt (4), one end of first bolt (4) respectively with the first board (2) and the second board
(3) top is in contact.
3. a kind of blackboard for teaching according to claim 1, which is characterized in that first board (2) and second is write
The bottom of letter stencil (3) side is interspersed to be connected with the second bolt (5), and the one of one end of second bolt (5) and sliding block (16)
Side is in contact.
4. a kind of blackboard for teaching according to claim 1, which is characterized in that the blackboard body (1) is in one of them
The both ends of side wall are fixed with the first limited block (14), and the side of first board (2) and the second board (3) is fixed
Equipped with the second limited block (17) to match with the first limited block (14) positions and dimensions.
5. a kind of blackboard for teaching according to claim 1, which is characterized in that the side at the top of the sucker (12) is fixed
Solenoid valve is installed, the solenoid valve is electrically connected with the power supply by switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483550.7U CN208646428U (en) | 2018-04-08 | 2018-04-08 | A kind of blackboard for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483550.7U CN208646428U (en) | 2018-04-08 | 2018-04-08 | A kind of blackboard for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208646428U true CN208646428U (en) | 2019-03-26 |
Family
ID=65775678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820483550.7U Expired - Fee Related CN208646428U (en) | 2018-04-08 | 2018-04-08 | A kind of blackboard for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208646428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636881A (en) * | 2020-05-22 | 2020-09-08 | 湖北工业大学 | Shield tail clearance monitoring device |
-
2018
- 2018-04-08 CN CN201820483550.7U patent/CN208646428U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636881A (en) * | 2020-05-22 | 2020-09-08 | 湖北工业大学 | Shield tail clearance monitoring device |
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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: 20190326 Termination date: 20200408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |