CN206049151U - A kind of hand erasing type blackboard - Google Patents
A kind of hand erasing type blackboard Download PDFInfo
- Publication number
- CN206049151U CN206049151U CN201620626966.0U CN201620626966U CN206049151U CN 206049151 U CN206049151 U CN 206049151U CN 201620626966 U CN201620626966 U CN 201620626966U CN 206049151 U CN206049151 U CN 206049151U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- bearing seat
- fixed
- power transmission
- swipe
- 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 hand erasing type blackboard, including first bearing seat and second bearing seat, the first bearing seat has been inserted into a power transmission shaft, the second bearing seat has been inserted into a drive shaft, one piece of circular blackboard body is fixed with the outside of the first bearing seat, the power transmission shaft is stretched out from the circle centre position of blackboard body from inside to outside, the swipe of a block length bar shaped is fixed on the outer face of the power transmission shaft, uniform bristle on the lower surface of the swipe, the bristle is abutted on the outer surface of blackboard body, drive pulley is fixed with the power transmission shaft, driving pulley is fixed with the drive shaft, transmission belt is connected between the drive pulley and driving pulley, a crank is fixed with the drive shaft.This utility model obtain beneficial effect be：(1) simple structure；(2) erasing speed is fast, and efficiency of erasing is high.
Description
Technical field
This utility model is related to a kind of blackboard, particularly a kind of hand erasing type blackboard.
Background technology
Blackboard is a kind of conventional teaching aid, existing blackboard is typically all to be fixed on wall, and teacher is giving lessons
Meanwhile, can give lessons, while being write with chalk on blackboard, after the plate face of blackboard has all been write, then need
The word on blackboard is wiped with blackboard eraser, erasing speed is slow, wastes time and energy.
The content of the invention
Problem to be solved in the utility model is：The handss that a kind of simple structure, erasing speed are fast and efficiency of erasing is high are provided
Shake erasing type blackboard.
In order to solve the above problems, hand erasing type blackboard of the present utility model, including first bearing seat and second bearing
Seat, the first bearing seat have been inserted into a power transmission shaft, and the second bearing seat has been inserted into a drive shaft, and described first
One piece of circular blackboard body is fixed with the outside of bearing block, the power transmission shaft is stretched from the circle centre position of blackboard body from inside to outside
Go out, on the outer face of the power transmission shaft, fix the swipe of a block length bar shaped, uniform bristle, the brush on the lower surface of the swipe
Hair is abutted on the outer surface of blackboard body, is fixed with drive pulley, driving is fixed with the drive shaft on the power transmission shaft
Belt wheel, is connected with transmission belt between the drive pulley and driving pulley, a crank is fixed with the drive shaft.
Further, hand erasing type blackboard of the present utility model, the length of the swipe are equal with the radius of blackboard body.
Further, hand erasing type blackboard of the present utility model, the length of the swipe and the equal diameters of blackboard body.
Further, hand erasing type blackboard of the present utility model, the first bearing seat and second bearing seat are each attached to
On wall.
This utility model obtain beneficial effect be：(1) simple structure；(2) when write with chalk on blackboard the language of the Manchus word when
Wait, shake crank, under the drive of crank, drive shaft starts to rotate, drive shaft drives drive belt rotation while rotating
Dynamic, driving pulley then can be driven by transmission belt, so as to drive drive pulley to rotate, as drive pulley is fixed on transmission
On axle, thus drive axis can be driven, power transmission shaft can drive swipe constantly to rotate during rotation, then, and swipe exists
During rotation, as bristle is abutted on the outer surface of blackboard body, thus can quickly by the outer surface of blackboard body
On word wipe out, compared with existing blackboard eraser is except mode, erasing speed is fast, and efficiency of erasing is high；(3) when need not wipe
When word on blackboard, rub piece is rotated to vertical direction, so blackboard body can be separated, so as to more there is bar
That what is managed is write in blackboard body；(4) length of swipe and the radius of blackboard body or equal diameters, thus erasing when
Wait, swipe can be covered comprehensively to blackboard body, it is ensured that by the word in blackboard body, all erasing is clean.
Description of the drawings
Fig. 1 is the front view of embodiment 1.
Fig. 2 is the top view of embodiment 1.
Fig. 3 is the front view of embodiment 2.
In figure：1st, blackboard body, 2, drive pulley, 3, swipe, 4, bristle, 5, power transmission shaft, 6, transmission belt,
7th, drive shaft, 8, crank, 9, driving pulley, 10, first bearing seat, 11, wall,
12nd, second bearing seat.
Specific embodiment
Embodiment 1
As depicted in figs. 1 and 2, the hand erasing type blackboard of the present embodiment, including first bearing seat 10 and second bearing seat
12, the first bearing seat 10 has been inserted into a power transmission shaft 5, and the second bearing seat 12 has been inserted into a drive shaft 7, institute
The outside for stating first bearing seat 10 is fixed with one piece of circular blackboard body 1, and the power transmission shaft 5 is from inside to outside from blackboard body 1
Circle centre position stretch out, the swipe 3 of a block length bar shaped is fixed on the outer face of the power transmission shaft 5, on the lower surface of the swipe 3
Cloth bristle 4, the bristle 4 are abutted on the outer surface of blackboard body 1, and drive pulley 2 is fixed with the power transmission shaft 5, described
Driving pulley 9 is fixed with drive shaft 5, transmission belt 5, the drive shaft between the drive pulley 2 and driving pulley 9, is connected with
A crank 8 is fixed with 7；The length of the swipe 3 is equal with the radius of blackboard body 1；The first bearing seat 10 and
Two bearing bracket 12 is each attached on wall 11.
The hand erasing type blackboard of the present embodiment, simple structure, when write with chalk in blackboard body 1 language of the Manchus word when,
Shake crank 8, under the drive of crank 8, drive shaft 7 starts to rotate, and drive shaft 7 drives 9 turns of driving pulley while rotating
Dynamic, driving pulley 9 then can be driven by transmission belt 6, so as to drive drive pulley 2 to rotate, as drive pulley 2 is fixed on
On power transmission shaft 5, thus power transmission shaft 5 can be driven to rotate, power transmission shaft 5 can drive swipe 3 constantly to turn during rotation, then
It is dynamic, swipe 3 during rotation, as bristle 4 is abutted on the outer surface of blackboard body 1, thus can quickly by blackboard
Word on the outer surface of body 1 is wiped out, and compared with existing blackboard eraser is except mode, erasing speed is fast, and efficiency of erasing is high.
When the word on erasing blackboard is not needed, rub piece 3 is rotated to vertical direction, so can be by blackboard sheet
Body 1 is separated, and is write in blackboard body 1 so as to more coherent.
The length of swipe 3 and the radius of blackboard body 1 or equal diameters, thus when erasing, swipe 3 can be to blackboard sheet
Body 1 is covered comprehensively, it is ensured that by the word in blackboard body 1, all erasing is clean.
Embodiment 2
As shown in figure 3, the hand erasing type blackboard of the present embodiment, the length of the swipe 3 and the diameter phase of blackboard body 1
Deng.
Other structures and usage are same as Example 1.
Claims (4)
1. a kind of hand erasing type blackboard, it is characterised in that：Including first bearing seat (10) and second bearing seat (12), described
One bearing block (10) has been inserted into a power transmission shaft (5), and the second bearing seat (12) has been inserted into a drive shaft (7), institute
State and on the outside of first bearing seat (10), be fixed with one piece of circular blackboard body (1), the power transmission shaft (5) is from inside to outside from blackboard
The circle centre position of body (1) stretches out, and the swipe (3) of a block length bar shaped, the swipe are fixed on the outer face of the power transmission shaft (5)
(3) uniform bristle (4) on lower surface, the bristle (4) are abutted on the outer surface of blackboard body (1), the power transmission shaft (5)
On be fixed with drive pulley (2), driving pulley (9), the drive pulley (2) and drive belt are fixed with the drive shaft (5)
Transmission belt (5) is connected between wheel (9), a crank (8) on the drive shaft (7), is fixed with.
2. hand erasing type blackboard according to claim 1, it is characterised in that：The length of the swipe (3) and blackboard sheet
The radius of body (1) is equal.
3. hand erasing type blackboard according to claim 1, it is characterised in that：The length of the swipe (3) and blackboard sheet
The equal diameters of body (1).
4. hand erasing type blackboard according to claim 1, it is characterised in that：The first bearing seat (10) and the second axle
Bearing (12) is each attached on wall (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626966.0U CN206049151U (en) | 2016-06-22 | 2016-06-22 | A kind of hand erasing type blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626966.0U CN206049151U (en) | 2016-06-22 | 2016-06-22 | A kind of hand erasing type blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206049151U true CN206049151U (en) | 2017-03-29 |
Family
ID=58371812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620626966.0U Expired - Fee Related CN206049151U (en) | 2016-06-22 | 2016-06-22 | A kind of hand erasing type blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206049151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437660A (en) * | 2018-04-02 | 2018-08-24 | 靳璟瑞 | Easy erasing circle blackboard |
| CN109118893A (en) * | 2018-10-26 | 2019-01-01 | 日照职业技术学院 | One kind being suitable for Chinese literature professional teaching demonstration equipment |
| CN113895171A (en) * | 2021-10-21 | 2022-01-07 | 桃源县漆河镇中学 | Absorption formula raise dust suppression type blackboard eraser |
-
2016
- 2016-06-22 CN CN201620626966.0U patent/CN206049151U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437660A (en) * | 2018-04-02 | 2018-08-24 | 靳璟瑞 | Easy erasing circle blackboard |
| CN108437660B (en) * | 2018-04-02 | 2020-02-07 | 靳璟瑞 | Easy-to-wipe circular blackboard |
| CN109118893A (en) * | 2018-10-26 | 2019-01-01 | 日照职业技术学院 | One kind being suitable for Chinese literature professional teaching demonstration equipment |
| CN113895171A (en) * | 2021-10-21 | 2022-01-07 | 桃源县漆河镇中学 | Absorption formula raise dust suppression type blackboard eraser |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180622 |