CN207433091U - A kind of blackboard for teaching - Google Patents
A kind of blackboard for teaching Download PDFInfo
- Publication number
- CN207433091U CN207433091U CN201720585343.8U CN201720585343U CN207433091U CN 207433091 U CN207433091 U CN 207433091U CN 201720585343 U CN201720585343 U CN 201720585343U CN 207433091 U CN207433091 U CN 207433091U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- motor
- runner frame
- limited block
- block
- 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 blackboard for teaching,Including blackboard body,Blackboard body both sides symmetric position is equipped with sliding block A,The sliding block A is placed in inside sliding slot,The sliding slot is fixed on by fixinig plate on runner frame,The runner frame is symmetrically fixed on metope,Blackboard body top symmetric position is equipped with connecting seat,The first motor is installed on the connecting seat,The first motor one side is equipped with slide block B,The slide block B is placed in inside sliding slot,First motor rotation axis are equipped with gear,The gear and the ratcheting connection of gear grooved,The gear grooved is fixed on runner frame upper end,The runner frame lower end is equipped with the 3rd limited block,3rd limited block is equipped with the first two-way switch,First two-way switch and the first motor are electrically connected,The blackboard eraser fits with blackboard body,Described connector one end is sequentially connected by the rotation axis of screw and the second motor,Second motor is fixedly mounted on runner frame bottom.
Description
Technical field
The utility model belongs to teaching equipment field, and in particular to a kind of blackboard for teaching.
Background technology
Blackboard is not to refer in particular to the plate face of black, said in traditional sense it be one can be with the plane of repeated writing, plate face is hard
Firmly, it is chiefly used in imparting knowledge to students, made of plank or ground glass etc., can be write with the specific writing material such as chalk above,
Mostly black, blackish green, white or ecru.Over more than 200 years, blackboard is applied to plank, cement from earliest with blacking
Etc. hard objects surface, to the water mill glass of the nineties, color coated steel sheet, composite panel ... has witnessed world's educational undertaking
Development step by step, convey knowledge for the mankind, spread education, made distinctions won on the battlefield.This fully shows blackboard educates thing to us
Industry is how important, the blackboard in usual classroom be all it is fixed, the Position Design of blackboard again cannot be too low, it is too low to make
Classmate into most heel row does not see whole blackboards, and the Position Design of blackboard is too high, and teacher is caused to erase the board using difficulty
When accidentally chalk dust may enter in eyes, there are security risks.
In view of this, design is a kind of simple in structure, can easily be accommodated height, can be solved without the blackboard of manual wipping
It is necessary to state problem.
Utility model content
The purpose of this utility model is to provide a kind of blackboard for teaching, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides following technical solution：Including blackboard body, the blackboard body two
Side symmetric position is placed in equipped with sliding block A, the sliding block A inside the first sliding groove, and the first sliding groove is fixed on cunning by fixinig plate
On truss, the runner frame is symmetrically fixed on metope, and blackboard body top symmetric position is equipped with connecting seat, the connection
The first motor is installed on seat, the first motor one side is equipped with slide block B, and the slide block B is placed in inside the first sliding groove, institute
The first motor rotation axis are stated equipped with gear, the gear and the ratcheting connection of gear grooved, the gear grooved are fixed on runner frame upper end,
The runner frame lower end is equipped with the 3rd limited block, and the 3rd limited block is equipped with the first two-way switch, first two-way opened
It closes and the first motor is electrically connected, the runner frame is additionally provided with the second sliding slot, and second sliding slot is equipped with connection by sliding block
Part, the connector one side are equipped with blackboard eraser, and the blackboard eraser fits with blackboard body, and described connector one end passes through screw
It is sequentially connected with the rotation axis of the second motor, second motor is fixedly mounted on runner frame bottom, second two-way switch
It is electrically connected with the second motor.
Preferably, the gear grooved lower end is equipped with the first limited block.
Preferably, the first sliding groove lower end is equipped with the second limited block.
Preferably, it is additionally provided with holder on the 3rd limited block.
Preferably, chalk dust ledge is equipped between the 3rd limited block.
Preferably, the fixinig plate at least there are six.
Preferably, described connector one end is additionally provided with the screw hole to match with screw.
Preferably, the screw upper end is fixed on runner frame upper end by rolling bearing.
The technique effect and advantage of the utility model：The blackboard for teaching, blackboard body are slided by sliding block A and the first sliding groove
Dynamic connection, it is ensured that stability when blackboard body is by the first motor rise and fall, it, can by setting the first two-way switch
Easily to control the rotating of the first motor, so as to easily adjust the height of blackboard body, by blackboard body
Top symmetric position, which is equipped with connecting seat, can easily install the first motor, can be with by being equipped with slide block B in the first motor one side
Make to operate up and down along gear grooved with what the gear that the first motor rotation axis are fixedly connected consolidated, it, can by setting chalk dust ledge
With prevent from erasing the board body when, chalk dust, which is come to, is all fullly, and by setting the first limited block, limiting gear, which moves downward, is more than
Extreme position skids off the first sliding groove by setting the second limited block that can limit sliding block A.By setting blackboard eraser, can facilitate
Efficiently erase the board body, and the utility model is simple in structure, convenient and practical, is worthy to be popularized.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the cutaway view of the utility model sliding slot；
Fig. 3 is the 3rd limited block of the utility model and chalk dust ledge schematic diagram；
Fig. 4 is the connector schematic diagram of the utility model.
In figure：1 blackboard body, 2 gear grooveds, 3 first motors, 4 gears, 5 first limited blocks, 6 sliding slots, 7 slide block Bs, 8 connections
Seat, 9 fixinig plates, 10 runner frames, 11 second limited blocks, 12 the 3rd limited blocks, 13 first two-way switch, 14 sliding block A, 15 chalk dusts
Slot, 16 holders, 17 second sliding slots, 18 second two-way switch, 19 second motors, 20 screws, 21 blackboard erasers, 22 connectors, 23
Sliding block, 24 screw holes.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model provides a kind of blackboard for teaching as shown in Figs 1-4, including blackboard body 1, the blackboard sheet
1 both sides symmetric position of body is equipped with sliding block A 14, and the sliding block A 14 is placed in inside the first sliding groove 6, and the first sliding groove 6 passes through solid
Stator 9 is fixed on runner frame 10, and the runner frame 10 is symmetrically fixed on metope, the 1 top symmetric position of blackboard body
Equipped with connecting seat 8, the first motor 3 is installed on the connecting seat 8,3 one side of the first motor is equipped with slide block B 7, described
Slide block B 7 is placed in inside the first sliding groove 6, and 3 rotation axis of the first motor is equipped with gear 4, and the gear 4 and gear grooved 2 are ratcheting
Connection, the gear grooved 2 are fixed on 10 upper end of runner frame, and 10 lower end of runner frame is equipped with the 3rd limited block 12, and the described 3rd
Limited block 12 is equipped with the first two-way switch 13, and 13 and first motor 3 of the first two-way switch is electrically connected, the runner frame
10 are additionally provided with the second sliding slot 17, and second sliding slot 17 is equipped with connector 22 by sliding block 23, and 22 one side of connector is set
There is blackboard eraser 21, the blackboard eraser 21 fits with blackboard body 1, and described 22 one end of connector passes through 20 and second motor of screw
19 rotation axis is sequentially connected, and second motor 19 is fixedly mounted on 10 bottom of runner frame, 18 He of the second two-way switch
Second motor 19 is electrically connected, and 2 lower end of gear grooved is equipped with the first limited block 5.6 lower end of the first sliding groove is equipped with the second limit
Position block 11.Holder 16 is additionally provided on 3rd limited block 12.Chalk dust ledge 15 is equipped between 3rd limited block 12.Institute
State fixinig plate 9 at least there are six.Described 22 one end of connector is additionally provided with the screw hole 24 to match with screw 20.The screw 20
Upper end is fixed on 10 upper end of runner frame by rolling bearing.
Operation principle：First motor, 3 rotating can be controlled by the first two-way switch 13, upward buck switch 13, first
Motor 3 rotates forward, and band moving gear 4 moves upwards in gear grooved 2 therewith, and downward buck switch 13, the first motor 3 inverts, therewith band
Moving gear 4 moves downward in gear grooved 2, since the first motor 3 is fixedly connected by connecting seat with blackboard body 1, so as to
To achieve the effect that adjust blackboard body height.By setting holder 16, it may be convenient to chalk is held, by setting chalk
Ash-pit 15 can collect chalk dust, be unlikely to erase the board body 1 when chalk dust to come to all be to pass through the second two-way switch fullly
18, blackboard eraser 21 can be controlled to move up and down along blackboard body 1, carry out blackboard wiping body 1.
Finally it should be noted that：The above is only the preferred embodiment of the utility model only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Equivalent substitution is carried out, within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of blackboard for teaching, including blackboard body (1), it is characterised in that：Blackboard body (1) both sides symmetric position is set
There is sliding block A (14), the sliding block A (14) is placed in the first sliding groove (6) inside, and the first sliding groove (6) is fixed by fixinig plate (9)
On runner frame (10), the runner frame (10) is symmetrically fixed on metope, and blackboard body (1) top symmetric position is equipped with
Connecting seat (8), the first motor (3) is installed on the connecting seat (8), and the first motor (3) one side is equipped with slide block B
(7), the slide block B (7) is placed in the first sliding groove (6) inside, and the first motor (3) rotation axis is equipped with gear (4), the gear
(4) and gear grooved (2) ratcheting connection, the gear grooved (2) are fixed on runner frame (10) upper end, and runner frame (10) lower end is set
There is the 3rd limited block (12), the 3rd limited block (12) is equipped with the first two-way switch (13) and the second two-way switch (18),
First two-way switch (13) and the first motor (3) are electrically connected, and the runner frame (10) is additionally provided with the second sliding slot (17), institute
It states the second sliding slot (17) and connector (22) is equipped with by sliding block (23), connector (22) one side is equipped with blackboard eraser (21),
The blackboard eraser (21) fits with blackboard body (1), and described connector (22) one end passes through screw (20) and the second motor
(19) rotation axis is sequentially connected, and second motor (19) is fixedly mounted on runner frame (10) bottom, second two-way opened
It closes (18) and the second motor (19) is electrically connected；Gear grooved (2) lower end is equipped with the first limited block (5)；The first sliding groove
(6) lower end is equipped with the second limited block (11).
2. a kind of blackboard for teaching according to claim 1, it is characterised in that：It is additionally provided on 3rd limited block (12)
Holder (16).
3. a kind of blackboard for teaching according to claim 1, it is characterised in that：It is equipped between 3rd limited block (12)
Chalk dust ledge (15).
4. a kind of blackboard for teaching according to claim 1, it is characterised in that：The fixinig plate (9) at least there are six.
5. a kind of blackboard for teaching according to claim 1, it is characterised in that：Described connector (22) one end be additionally provided with
The screw hole (24) that screw (20) matches.
6. a kind of blackboard for teaching according to claim 1, it is characterised in that：Screw (20) upper end passes through rolling
Bearing is fixed on runner frame (10) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585343.8U CN207433091U (en) | 2017-05-24 | 2017-05-24 | A kind of blackboard for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585343.8U CN207433091U (en) | 2017-05-24 | 2017-05-24 | A kind of blackboard for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207433091U true CN207433091U (en) | 2018-06-01 |
Family
ID=62395976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720585343.8U Expired - Fee Related CN207433091U (en) | 2017-05-24 | 2017-05-24 | A kind of blackboard for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207433091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973442A (en) * | 2018-07-25 | 2018-12-11 | 郑煌 | A kind of blackboard for education |
-
2017
- 2017-05-24 CN CN201720585343.8U patent/CN207433091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973442A (en) * | 2018-07-25 | 2018-12-11 | 郑煌 | A kind of blackboard for education |
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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: 20180601 Termination date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |