CN209683273U - A kind of teaching aid - Google Patents
A kind of teaching aid Download PDFInfo
- Publication number
- CN209683273U CN209683273U CN201822257907.2U CN201822257907U CN209683273U CN 209683273 U CN209683273 U CN 209683273U CN 201822257907 U CN201822257907 U CN 201822257907U CN 209683273 U CN209683273 U CN 209683273U
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- CN
- China
- Prior art keywords
- sliding
- slot
- bar
- wall
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of teaching aids, including pen container, the sliding slot of opening upwards is equipped in the pen container, and slide plate is slidably connected in sliding slot, the clip slot of opening upwards is equipped in the slide plate, and the clamping device being equipped with it is equipped in clip slot, the sliding chamber of two be vertically arranged is also symmetrically arranged in the pen container, and sliding block is slidably connected in two sliding chambers, the opposite side side wall of two sliding blocks is fixedly connected to connecting rod, the inner wall of the sliding slot is equipped with the strip-shaped hole being connected to sliding chamber, and connecting rod is arranged through strip-shaped hole, the connecting rod is fixedly connected far from one end of sliding block with slide plate, the fixed mechanism being equipped with it is equipped in the sliding block.The utility model is easy to operate, easy to use, by clamping to chalk, can make full use of to chalk, avoid the waste of chalk end, protects environment, reduces the contamination of teacher's chalk dust when imparting knowledge to students using chalk.
Description
Technical field
The utility model relates to teaching aid technical field more particularly to a kind of teaching aids.
Background technique
The apparatus for enabling student to use when intuitively, visually understanding each appliances used in the content of courses and teachers' instruction
General name.Teaching aid is referred to as.The learning interest of student can be improved in teaching aid, enriches perceptual knowledge, and help forms specific concept, develops
The observation ability and thinking ability of student.Generally divide common teaching aid, special teaching aid, Teachig-aid for infant studying three classes.
In teaching process, it is easily broken off using chalk end when being write on blackboard, chalk end is shorter to be not easy to write, institute
Generally can directly abandon, cause to waste and pollute environment, teacher on hand can when using chalk to carry out writing and teaching on blackboard
Many chalk dusts are infected with, are not easy to clean；For this purpose, it is proposed that a kind of teaching aid solves the above problems.
Utility model content
Purpose of the utility model is to solve existing in the prior art in teaching process, using chalk end black
It is easily broken off when being write on plate, chalk end is shorter to be not easy to write, so generally can directly abandon, causes to waste and pollute ring
The problems such as border, teacher can be infected with many chalk dusts when using chalk to carry out writing and teaching on blackboard on hand, be not easy to cleaning,
And a kind of teaching aid proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of teaching aid, including pen container, the sliding slot of opening upwards is equipped in the pen container, and is slidably connected in sliding slot
Slide plate is equipped with the clip slot of opening upwards in the slide plate, and the clamping device being equipped with it, the pen container are equipped in clip slot
In be also symmetrically arranged with the sliding chamber of two be vertically arranged, and sliding block is slidably connected in two sliding chambers, two sliding blocks it is opposite one
Side side wall is fixedly connected to connecting rod, and the inner wall of the sliding slot is equipped with the strip-shaped hole being connected to sliding chamber, and connecting rod runs through item
The setting of shape hole, the connecting rod is fixedly connected far from one end of sliding block with slide plate, equipped with being equipped with it in the sliding block
Fixed mechanism.
Preferably, the clamping device includes two symmetrically arranged curved splints, and two curved splints are respectively positioned on folder
It is arranged in slot, the opposite side side wall of two curved splints is fixedly connected to cross bar, and the inner wall of clip slot is equipped with and cross
The matched link slot of bar, side inner wall of the link slot far from curved splint are connect by the first spring with cross bar.
Preferably, the two sides inner wall of the link slot is symmetrically fixedly connected with limited block, and limited block is close to link slot
Opening setting, the side wall of the cross bar are fixedly connected with and the matched block of limited block.
Preferably, the fixed mechanism includes kelly, is equipped with strip groove in two sliding blocks, and in strip groove
It is rotatably connected to bull stick, one end rotation connection of the kelly and bull stick, and sliding chamber is vertically arranged close to the side inner wall of sliding slot
Equipped with the multiple and matched card slot of kelly, the other end of the bull stick is rotatably connected to by bar, and is arranged by bar through sliding block, institute
The side wall for stating pen container is equipped with the strip gab being connected to sliding chamber, and is arranged by bar through strip gab, and the bull stick is far from kelly
Side side wall connected by the inner wall of second spring and strip groove, and second spring by bar far from being arranged.
Preferably, described to be fixedly connected with through one end of strip gab by block by bar and anti-by rubber is enclosed on block
Skidding.
Preferably, oblique chute is equipped at the upside sidewall corner of two curved splints.
The technical solution that the embodiments of the present invention provide can include the following benefits:
1, the utility model is easy to operate, easy to use, and by clamping to chalk, sufficiently benefit can be carried out to chalk
With avoiding the waste of chalk end, protect environment, reduce the contamination of teacher's chalk dust when imparting knowledge to students using chalk.
2, rubber sleeve is effectively prevent by block and rubber antiskid pad convenient for pressing by bar by setting, by the way that oblique chute is arranged,
When sticking into chalk between two curved splints, chalk slides in oblique chute, squeezes two curved splints, is convenient for
Chalk is sticked between two curved splints.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of teaching aid schematic view of the front view；
Fig. 2 be the utility model proposes a kind of teaching aid overlooking structure diagram；
Fig. 3 is the structural schematic diagram in Fig. 1 at A；
Fig. 4 is the structural schematic diagram in Fig. 2 at B.
In figure: 1 pen container, 2 sliding slots, 3 slide plates, 4 clip slots, 5 sliding blocks, 6 sliding chambers, 7 connecting rods, 8 curved splints, 9 cross bars, 10 connect
Bar, 17 second springs are pressed in access slot, 11 first springs, 12 strip grooves, 13 bull sticks, 14 kellies, 15 card slots, 16.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of teaching aid, including pen container 1 are equipped with the sliding slot 2 of opening upwards in pen container 1, and in sliding slot 2
Slide plate 3 is slidably connected, the clip slot 4 of opening upwards is equipped in slide plate 3, and is equipped with the clamping machine being equipped with it in clip slot 4
Structure, clamping device includes two symmetrically arranged curved splints 8, and two curved splints 8 are respectively positioned in clip slot 4 and are arranged, and two
The opposite side side wall of curved splint 8 is fixedly connected to cross bar 9, and the inner wall of clip slot 4 is equipped with and the matched link slot of cross bar 9
10, side inner wall of the link slot 10 far from curved splint 8 is connect by the first spring 11 with cross bar 9, and one end of chalk is sticked into
Between two curved splints 8, the cross bar 9 on curved splint 8 is driven to squeeze the first spring 11, in the elastic masterpiece of the first spring 11
Under, drives two curved splints 8 to clamp chalk without falling off, be equipped at the upside sidewall corner of two curved splints 8 oblique
Sliding slot, when sticking into chalk between two curved splints 8, chalk slides in oblique chute, squeezes to two curved splints 8
Pressure, so that chalk sticks between two curved splints 8；
The two sides inner wall of link slot 10 is symmetrically fixedly connected with limited block, and limited block is set close to the opening of link slot 10
It sets, the side wall of cross bar 9 is fixedly connected with to be located at cross bar 9 and connected with the matched block of limited block by setting limited block and block
One end in access slot 10 is limited, and is effectively prevent cross bar 9 to undesirably fall off link slot 10 and is made device damage failure；
It is also symmetrically arranged with the sliding chamber 6 of two be vertically arranged in pen container 1, and slidably connects sliding block 5 in two sliding chambers 6,
The opposite side side wall of two sliding blocks 5 is fixedly connected to connecting rod 7, and the inner wall of sliding slot 2 is equipped with the bar shaped being connected to sliding chamber 6
Hole, and connecting rod 7 is arranged through strip-shaped hole, the one end of connecting rod 7 far from sliding block 5 is fixedly connected with slide plate 3, is equipped in sliding block 5
The fixed mechanism being equipped with it；
Fixed mechanism includes kelly 14, strip groove 12 is equipped in two sliding blocks 5, and be rotatablely connected in strip groove 12
There are bull stick 13, one end rotation connection of kelly 14 and bull stick 13, and sliding chamber 6 is vertically arranged close to the side inner wall of sliding slot 2 and is equipped with
The multiple and matched card slot 15 of kelly 14, the other end of bull stick 13 are rotatably connected to by bar 16, and are set by bar 16 through sliding block 5
It sets, the side wall of pen container 1 is equipped with the strip gab being connected to sliding chamber 6, and is arranged by bar 16 through strip gab, and bull stick 13 is far from card
The side side wall of bar 14 is connect by second spring 17 with the inner wall of strip groove 12, and second spring 17 is separate sets by bar 16
It sets, under the resilient force of second spring 17, kelly 14 is sticked into card slot 15, sliding block 5 is fixed, thus to slide plate 3
Position be fixed, when needing the position of adjusting slider 3, pin by bar 16, drive bull stick 13 to rotate, to drive kelly
14 are detached from card slot 15, i.e., slidably press bar 16, and band movable slider 5 slides in sliding chamber 6, and slide plate 3 is driven to slide in sliding slot 2, right
The position of slide plate 3 is adjusted, and is fixedly connected with through one end of strip gab by block by bar 16, and by being enclosed with rubber on block
Non-slip mat effectively prevent rubber sleeve convenient for pressing by bar 16.
When the utility model is used, chalk is sliding in oblique chute when sticking into chalk between two curved splints 8
It is dynamic, two curved splints 8 are squeezed, so that chalk sticks between two curved splints 8, drive the cross on curved splint 8
Bar 9 squeezes the first spring 11, under the resilient force of the first spring 11, drive two curved splints 8 clamp chalks without
It falls off, when chalk use shortens, pins by bar 16, bull stick 13 is driven to rotate, so that kelly 14 be driven to be detached from card slot 15
Bar 16 is pressed in sliding, and band movable slider 5 slides in sliding chamber 6, drives slide plate 3 to slide in sliding slot 2, one end of chalk is leaked out
, unclamp and press bar 16, under the resilient force of second spring 17, kelly 14 is sticked into card slot 15, is consolidated to sliding block 5
It is fixed, so that slide plate 3 be fixed.
The present apparatus is easy to operate, easy to use, by clamping to chalk, can make full use of, keep away to chalk
The waste for exempting from chalk end, protects environment, reduces the contamination of teacher's chalk dust when imparting knowledge to students using chalk, by setting by block and
Rubber antiskid pad effectively prevent rubber sleeve convenient for pressing by bar 16, and by the way that oblique chute is arranged, chalk is being sticked into two arc folders
When between plate 8, chalk slides in oblique chute, squeezes two curved splints 8, convenient for chalk is sticked into two arc folders
Between plate 8.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (1)
1. a kind of teaching aid, including pen container (1), which is characterized in that the sliding slot (2) of opening upwards is equipped in the pen container (1),
And slide plate (3) are slidably connected in sliding slot (2), the clip slot (4) of opening upwards is equipped in the slide plate (3), and set in clip slot (4)
There is the clamping device being equipped with it, the sliding chamber (6) of two be vertically arranged, and two are also symmetrically arranged in the pen container (1)
It being slidably connected sliding block (5) in sliding chamber (6), two opposite side side walls of sliding block (5) are fixedly connected to connecting rod (7),
The inner wall of the sliding slot (2) is equipped with the strip-shaped hole being connected to sliding chamber (6), and connecting rod (7) is arranged through strip-shaped hole, the connection
Bar (7) is fixedly connected far from the one end of sliding block (5) with slide plate (3), and the fixation machine being equipped with it is equipped in the sliding block (5)
Structure；
The clamping device includes two symmetrically arranged curved splints (8), and two curved splints (8) are respectively positioned on clip slot (4)
Middle setting, two opposite side side walls of the curved splint (8) are fixedly connected to cross bar (9), and the inner wall of clip slot (4) is set
Have and passes through the first bullet far from the side inner wall of curved splint (8) with cross bar (9) matched link slot (10), the link slot (10)
Spring (11) is connect with cross bar (9)；
The two sides inner wall of the link slot (10) is symmetrically fixedly connected with limited block, and limited block is close to the opening of link slot (10)
Place's setting, the side wall of the cross bar (9) are fixedly connected with and the matched block of limited block；
The fixed mechanism includes kelly (14), is equipped with strip groove (12) in two sliding blocks (5), and strip groove
(12) it is rotatably connected in bull stick (13), one end of the kelly (14) and bull stick (13) is rotatablely connected, and sliding chamber (6) are close sliding
The side inner wall of slot (2) is vertically arranged equipped with multiple and kelly (14) matched card slot (15), the other end of the bull stick (13)
It is rotatably connected to by bar (16), and is arranged by bar (16) through sliding block (5), the side wall of the pen container (1) is equipped with sliding chamber (6) even
Logical strip gab, and be arranged by bar (16) through strip gab, side side wall of the bull stick (13) far from kelly (14) is logical
It crosses second spring (17) to connect with the inner wall of strip groove (12), and second spring (17) is far from by bar (16) setting；
It is described to be fixedly connected with through one end of strip gab by block by bar (16), and by being enclosed with rubber antiskid pad on block；
Oblique chute is equipped at the upside sidewall corner of two curved splints (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822257907.2U CN209683273U (en) | 2018-12-30 | 2018-12-30 | A kind of teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822257907.2U CN209683273U (en) | 2018-12-30 | 2018-12-30 | A kind of teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209683273U true CN209683273U (en) | 2019-11-26 |
Family
ID=68597807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822257907.2U Expired - Fee Related CN209683273U (en) | 2018-12-30 | 2018-12-30 | A kind of teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209683273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706541A (en) * | 2020-12-22 | 2021-04-27 | 真彩文具股份有限公司 | Oil painting stick protective sleeve |
| CN113459699A (en) * | 2021-07-13 | 2021-10-01 | 重庆第二师范学院 | Holder and ellipse drawing device thereof |
-
2018
- 2018-12-30 CN CN201822257907.2U patent/CN209683273U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706541A (en) * | 2020-12-22 | 2021-04-27 | 真彩文具股份有限公司 | Oil painting stick protective sleeve |
| CN113459699A (en) * | 2021-07-13 | 2021-10-01 | 重庆第二师范学院 | Holder and ellipse drawing device thereof |
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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: 20191126 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |