CN112918167A - Teaching auxiliary device - Google Patents
Teaching auxiliary device Download PDFInfo
- Publication number
- CN112918167A CN112918167A CN202110431886.5A CN202110431886A CN112918167A CN 112918167 A CN112918167 A CN 112918167A CN 202110431886 A CN202110431886 A CN 202110431886A CN 112918167 A CN112918167 A CN 112918167A
- Authority
- CN
- China
- Prior art keywords
- assembly
- blackboard
- reciprocating
- driving
- blackboard eraser
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- 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.)
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- 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
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
-
- 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
- B43L21/04—Wiper holders
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Abstract
The invention relates to a teaching auxiliary device, which comprises a base, a blackboard and a dust removal assembly, wherein the blackboard and the dust removal assembly are arranged on the base, a fixed plate parallel to the base is fixedly arranged on the blackboard, wiping mechanisms connected through a belt are symmetrically arranged on two sides of the blackboard, the wiping mechanisms are connected with a motor fixedly arranged on the fixed plate, each wiping mechanism comprises a driving assembly connected with an output shaft of the motor and an intermittent transmission assembly rotatably arranged on the driving assembly, the driving assembly is also connected with a reciprocating assembly, the intermittent transmission assembly is connected with the reciprocating assembly, a blackboard eraser is arranged on the reciprocating assembly, the driving assembly drives the reciprocating assembly to reciprocate through the reciprocating assembly, the driving assembly also drives the reciprocating assembly to intermittently move through the intermittent transmission assembly, the blackboard eraser is driven to move intermittently, and the blackboard eraser is simple in structure, novel in design and high in practicability.
Description
Technical Field
The invention relates to the field of teaching, in particular to a teaching auxiliary device.
Background
The existing blackboard is characterized in that characters written on the blackboard are erased by a blackboard eraser, a large amount of erased chalk dust flies in the air, a large amount of chalk dust exists on desks of front rows of students, the body health of teachers and students is seriously affected, time and labor are wasted in the process of erasing the blackboard, physical strength of teachers is greatly consumed, and therefore a device capable of automatically erasing the blackboard needs to be designed.
Disclosure of Invention
The present invention is directed to a teaching aid device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a teaching auxiliary device comprises a base, a blackboard and a dust removal assembly, wherein the blackboard and the dust removal assembly are installed on the base, a fixing plate parallel to the base is installed on the blackboard, wiping mechanisms connected through a belt are symmetrically installed on two sides of the blackboard, and the wiping mechanisms are connected with a motor fixedly installed on the fixing plate;
the blackboard eraser is characterized in that the wiping mechanism comprises a driving assembly connected with the motor output shaft and an intermittent transmission assembly rotatably mounted on the driving assembly, the driving assembly is further connected with a reciprocating assembly, a blackboard eraser is mounted on the reciprocating assembly, the driving assembly drives the blackboard eraser to reciprocate through the reciprocating assembly, and the driving assembly drives the reciprocating assembly to intermittently move through the intermittent transmission assembly so as to drive the blackboard eraser to intermittently move.
As a further scheme of the invention: the driving assembly comprises a first transmission rod connected with the motor output shaft, a second transmission rod connected with the first transmission rod and a sleeve arranged on the second transmission rod.
As a still further scheme of the invention: the intermittent transmission assembly comprises a maltese assembly rotatably arranged on the first transmission rod, a screw rod connected with the maltese assembly and a threaded sleeve in threaded fit with the screw rod, and the threaded sleeve is connected with the reciprocating assembly.
As a still further scheme of the invention: the maltese assembly comprises a driving wheel and a driven wheel, wherein the driving wheel is rotatably arranged on the first transmission rod, and the driven wheel is matched with the driving wheel.
As a still further scheme of the invention: the reciprocating assembly comprises a forward and reverse rotating assembly, a second belt and a transverse plate, wherein the forward and reverse rotating assembly is rotatably arranged on the sleeve, the second belt is connected with the forward and reverse rotating assembly, the transverse plate is fixedly arranged on the threaded sleeve, and the second belt is connected with the blackboard eraser.
As a still further scheme of the invention: the forward and reverse rotation assembly comprises a first incomplete bevel gear, a second incomplete bevel gear and a complete bevel gear, wherein the first incomplete bevel gear and the second incomplete bevel gear are rotatably arranged on the sleeve, and the complete bevel gear is meshed with the first incomplete bevel gear and the second incomplete bevel gear.
As a still further scheme of the invention: the dust removal assembly comprises a storage barrel fixedly arranged on the base, a piston cylinder fixedly arranged on the storage barrel and connected with the storage barrel through a check valve, and a piston assembly rotatably arranged on the transverse plate, and the piston cylinder is connected with the blackboard eraser through a hose.
As a still further scheme of the invention: the piston assembly comprises a disc rotatably arranged on the transverse plate, a connecting rod connected with the disc, and a piston connected with the connecting rod and arranged in the piston cylinder.
Compared with the prior art, the invention has the beneficial effects that: when the motor works, the driving assembly is driven to work, so that the reciprocating assembly connected with the driving assembly works to drive the blackboard eraser connected with the reciprocating assembly to reciprocate, the driving assembly can also drive the intermittent transmission assembly to move, the reciprocating assembly connected with the intermittent transmission assembly intermittently moves to drive the blackboard eraser to intermittently move, and the reciprocating assembly can also drive the dust removal assembly to move, so that dust wiped by the blackboard eraser is sucked into the dust removal assembly through the hose.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a teaching assistance device.
Fig. 2 is an enlarged schematic view of a teaching aid at a point a in an embodiment.
Fig. 3 is a schematic view of a connection relationship between the first transmission rod, the second transmission rod and the sleeve in an embodiment of the teaching aid.
Fig. 4 is a schematic view illustrating connection between a blackboard eraser and a second belt in an embodiment of the teaching aid.
In the figure: the blackboard eraser comprises a base-1, a fixing plate-2, a blackboard-3, a motor-4, a first belt-5, a driving wheel-6, a driven wheel-7, a second transmission rod-8, a sleeve-9, a first incomplete bevel gear-10, a second incomplete bevel gear-11, a complete bevel gear-12, a disc-13, a threaded sleeve-14, a transverse plate-15, a second belt-16, a blackboard eraser-17, a screw rod-18, a connecting rod-19, a piston-20, a piston cylinder-21, a storage tank-22, a hose-23, a first transmission rod-24 and a check valve-25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in the embodiment of the invention, the teaching auxiliary device comprises a base 1, a blackboard 3 and a dust removal assembly, wherein the blackboard 3 and the dust removal assembly are mounted on the base 1, a fixing plate 2 parallel to the base 1 is mounted on the blackboard 3, wiping mechanisms connected through a first belt 5 are symmetrically mounted on two sides of the blackboard 3, and the wiping mechanisms are connected with a motor 4 fixedly mounted on the fixing plate 2;
the wiping mechanism comprises a driving assembly connected with an output shaft of the motor 4 and an intermittent transmission assembly rotatably mounted on the driving assembly, the driving assembly is further connected with a reciprocating assembly, the reciprocating assembly is provided with a blackboard eraser 17, the driving assembly drives the blackboard eraser 17 to reciprocate through the reciprocating assembly, and the driving assembly drives the reciprocating assembly to intermittently move through the intermittent transmission assembly so as to drive the blackboard eraser 17 to intermittently move.
In the embodiment of the invention, when the motor 4 works, the driving assembly is driven to work, so that the reciprocating assembly connected with the driving assembly works, and the blackboard eraser 17 connected with the reciprocating assembly is driven to reciprocate, the driving assembly can also drive the intermittent transmission assembly to move, so that the reciprocating assembly connected with the intermittent transmission assembly intermittently moves, and the blackboard eraser 17 is driven to intermittently move, and the reciprocating assembly can also drive the dust removal assembly to move, so that dust erased by the blackboard eraser 17 is sucked into the dust removal assembly through the hose 23.
As an embodiment of the invention, the driving assembly comprises a first transmission rod 24 connected with the output shaft of the motor 4, a second transmission rod 8 connected with the first transmission rod 24 and a sleeve 9 arranged on the second transmission rod 8.
In the embodiment of the present invention, when the first transmission rod 24 rotates, the second transmission rod 8 is driven to rotate, so that the sleeve 9 disposed on the second transmission rod 8 rotates.
As an embodiment of the invention, the intermittent transmission assembly comprises a maltese assembly rotatably arranged on the first transmission rod 24, a screw rod 18 connected with the maltese assembly, and a threaded sleeve 14 in threaded fit with the screw rod 18, wherein the threaded sleeve 14 is connected with the reciprocating assembly.
In the embodiment of the present invention, when the first transmission rod 24 rotates, the maltese assembly will be driven to rotate, so that the screw rod 18 rotates, and the threaded sleeve 14 which is in threaded fit with the screw rod 18 is driven to move intermittently.
As an embodiment of the present invention, the maltese assembly includes a driving wheel 6 rotatably disposed on the first transmission rod 24 and a driven wheel 7 adapted to the driving wheel 6.
In the embodiment of the present invention, when the first transmission rod 24 rotates, the driving wheel 6 will be driven to rotate, and the driven wheel 7 will be driven to rotate.
As an embodiment of the present invention, the reciprocating assembly includes a forward and reverse rotation assembly rotatably disposed on the sleeve 9, a second belt 16 connected to the forward and reverse rotation assembly, and a transverse plate 3 fixedly disposed on the threaded sleeve 14, and the second belt 16 is connected to the blackboard eraser 17.
In the embodiment of the invention, when the sleeve 9 rotates, the forward and reverse rotation assembly is driven to rotate, so that the second belt 16 rotates, and the blackboard eraser 17 is driven to reciprocate.
As an embodiment of the present invention, the forward and reverse rotation assembly includes a first incomplete bevel gear 10 and a second incomplete bevel gear 11 rotatably provided on the sleeve 9, and a full bevel gear 12 engaged with the first incomplete bevel gear 10 and the second incomplete bevel gear 11.
In the embodiment of the invention, when the sleeve 9 rotates, the first incomplete bevel gear 10 and the second incomplete bevel gear 11 are driven to rotate, so that the complete bevel gear 12 rotates, and the second belt 16 is driven to rotate.
As an embodiment of the invention, the dust removing assembly comprises a storage barrel 22 fixedly arranged on the base 1, a piston cylinder 21 fixedly arranged on the storage barrel 22 and connected with the storage barrel 22 through a check valve 25, and a piston assembly rotatably arranged on the transverse plate 3, wherein the piston cylinder 21 is connected with the blackboard eraser 17 through a hose 23.
In the present embodiment, in use, when the piston assembly is rotated, dust will be drawn into the piston cylinder 21 through the hose 23, such that dust in the piston cylinder 21 enters the storage bin 22 through the one-way valve 25.
As an embodiment of the invention, the piston assembly comprises a circular disc 13 rotatably arranged on the transverse plate 3, a connecting rod 19 connected with the circular disc 13, and a piston 20 connected with the connecting rod 19 and arranged in a piston cylinder 21.
In the present embodiment, when the disc 13 rotates, the connecting rod 19 will be moved, so that the piston 20 moves up and down in the piston cylinder 21.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The teaching auxiliary device is characterized by comprising a base (1), a blackboard (3) and a dust removal assembly, wherein the blackboard (3) and the dust removal assembly are mounted on the base (1), a fixing plate (2) parallel to the base (1) is mounted on the blackboard (3), wiping mechanisms connected through a first belt (5) are symmetrically mounted on two sides of the blackboard (3), and the wiping mechanisms are connected with a motor (4) fixedly mounted on the fixing plate (2);
the cleaning mechanism comprises a driving assembly connected with an output shaft of the motor (4) and an intermittent transmission assembly rotatably mounted on the driving assembly, the driving assembly is further connected with a reciprocating assembly, the reciprocating assembly is provided with a blackboard eraser (17), the driving assembly drives the blackboard eraser (17) to reciprocate through the reciprocating assembly, and the driving assembly drives the reciprocating assembly to intermittently move through the intermittent transmission assembly so as to drive the blackboard eraser (17) to intermittently move.
2. A teaching aid as claimed in claim 1, characterized in that the drive assembly comprises a first transmission rod (24) connected to the output shaft of the motor (4) and a second transmission rod (8) connected to the first transmission rod (24) and a sleeve (9) arranged on the second transmission rod (8).
3. A teaching aid according to claim 1, wherein the intermittent drive assembly comprises a maltese assembly rotatably arranged on the first drive rod (24) and a screw (18) connected to the maltese assembly and a threaded sleeve (14) threadedly engaged with the screw (18), the threaded sleeve (14) being connected to the reciprocating assembly.
4. A teaching aid as claimed in claim 3, wherein the maltese assembly comprises a driving wheel (6) rotatably arranged on the first transmission rod (24) and a driven wheel (7) adapted to the driving wheel (6).
5. A teaching aid as claimed in claim 1, wherein the reciprocating assembly comprises a forward and reverse rotation assembly rotatably arranged on the sleeve (9), a second belt (16) connected with the forward and reverse rotation assembly, and a transverse plate (3) fixedly arranged on the threaded sleeve (14), and the blackboard eraser (17) is connected to the second belt (16).
6. A teaching aid as claimed in claim 5, characterized in that the counter-rotating assembly comprises a half bevel gear number one (10) and a half bevel gear number two (11) rotatably mounted on the sleeve (9) and a full bevel gear (12) meshing with the half bevel gear number one (10) and the half bevel gear number two (11).
7. An auxiliary teaching device as claimed in claim 1, wherein the dust-removing assembly comprises a storage barrel (22) fixedly arranged on the base (1), a piston cylinder (21) fixed on the storage barrel (22) and connected with the storage barrel (22) through a one-way valve (25), and a piston assembly rotatably arranged on the cross plate (3), and the piston cylinder (21) is connected with the blackboard eraser (17) through a hose (23).
8. A teaching aid according to claim 7, characterized in that the piston assembly comprises a disc (13) rotatably arranged on the cross plate (3) and a connecting rod (19) connected to the disc (13) and a piston (20) connected to the connecting rod (19) and placed in the piston cylinder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431886.5A CN112918167A (en) | 2021-04-21 | 2021-04-21 | Teaching auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431886.5A CN112918167A (en) | 2021-04-21 | 2021-04-21 | Teaching auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112918167A true CN112918167A (en) | 2021-06-08 |
Family
ID=76174651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110431886.5A Withdrawn CN112918167A (en) | 2021-04-21 | 2021-04-21 | Teaching auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112918167A (en) |
Citations (18)
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| CN203172303U (en) * | 2013-04-11 | 2013-09-04 | 涂亚明 | Partitionable automatic blackboard eraser capable of dividing regions |
| CN103963522A (en) * | 2014-05-14 | 2014-08-06 | 广西电力职业技术学院 | Automatic blackboard eraser |
| CN204077182U (en) * | 2014-07-09 | 2015-01-07 | 中国石油大学(华东) | New automatic dust absorption blackboard eraser |
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| CN206598660U (en) * | 2016-07-27 | 2017-10-31 | 浙江工业大学 | A kind of remote control dust absorption blackboard eraser |
| CN107696750A (en) * | 2017-09-29 | 2018-02-16 | 南丹县职业教育中心 | A kind of multifunctional blackboard for education |
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| CN109367298A (en) * | 2018-12-19 | 2019-02-22 | 福建工程学院 | A kind of automatic eraser device |
| CN109747299A (en) * | 2019-01-17 | 2019-05-14 | 潍坊护理职业学院 | A kind of board of education with dedusting function |
| CN110027343A (en) * | 2019-05-16 | 2019-07-19 | 宁波大学 | A kind of frictional automatic page turning device that auxiliary old man reads |
| CN110214553A (en) * | 2019-07-09 | 2019-09-10 | 杨汉桂 | A kind of agricultural corn removal device of intermittent rotary |
| CN111361334A (en) * | 2020-03-31 | 2020-07-03 | 吕梁学院 | Teaching is with blackboard device that can deash |
| CN211918192U (en) * | 2018-11-26 | 2020-11-13 | 东营职业学院 | Drawing board applied to mathematical education |
| CN212022142U (en) * | 2020-01-09 | 2020-11-27 | 浙江师范大学 | High-efficiency dust-free automatic blackboard eraser |
| CN112439674A (en) * | 2020-11-30 | 2021-03-05 | 菏泽市宁丰木业有限公司 | Manufacturing method and production equipment of high-density damp-proof board |
| CN112496875A (en) * | 2020-11-30 | 2021-03-16 | 菏泽市宁丰木业有限公司 | Application method and equipment of high-precision full-automatic special sander for ultrathin plate |
-
2021
- 2021-04-21 CN CN202110431886.5A patent/CN112918167A/en not_active Withdrawn
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203172303U (en) * | 2013-04-11 | 2013-09-04 | 涂亚明 | Partitionable automatic blackboard eraser capable of dividing regions |
| CN103963522A (en) * | 2014-05-14 | 2014-08-06 | 广西电力职业技术学院 | Automatic blackboard eraser |
| CN204077182U (en) * | 2014-07-09 | 2015-01-07 | 中国石油大学(华东) | New automatic dust absorption blackboard eraser |
| CN204367724U (en) * | 2014-12-30 | 2015-06-03 | 陈洪星 | Blackboard for education wiping dust arrester |
| CN206598660U (en) * | 2016-07-27 | 2017-10-31 | 浙江工业大学 | A kind of remote control dust absorption blackboard eraser |
| CN207630830U (en) * | 2017-05-04 | 2018-07-20 | 安徽工程大学 | Blackboard cleaning device |
| CN107696750A (en) * | 2017-09-29 | 2018-02-16 | 南丹县职业教育中心 | A kind of multifunctional blackboard for education |
| CN107813638A (en) * | 2017-11-01 | 2018-03-20 | 钟晓芳 | A kind of teaching environment friendly blackboard |
| CN207984401U (en) * | 2017-12-30 | 2018-10-19 | 共青科技职业学院 | A kind of teaching aid has the blackboard from dust-erasing function |
| CN211918192U (en) * | 2018-11-26 | 2020-11-13 | 东营职业学院 | Drawing board applied to mathematical education |
| CN109367298A (en) * | 2018-12-19 | 2019-02-22 | 福建工程学院 | A kind of automatic eraser device |
| CN109747299A (en) * | 2019-01-17 | 2019-05-14 | 潍坊护理职业学院 | A kind of board of education with dedusting function |
| CN110027343A (en) * | 2019-05-16 | 2019-07-19 | 宁波大学 | A kind of frictional automatic page turning device that auxiliary old man reads |
| CN110214553A (en) * | 2019-07-09 | 2019-09-10 | 杨汉桂 | A kind of agricultural corn removal device of intermittent rotary |
| CN212022142U (en) * | 2020-01-09 | 2020-11-27 | 浙江师范大学 | High-efficiency dust-free automatic blackboard eraser |
| CN111361334A (en) * | 2020-03-31 | 2020-07-03 | 吕梁学院 | Teaching is with blackboard device that can deash |
| CN112439674A (en) * | 2020-11-30 | 2021-03-05 | 菏泽市宁丰木业有限公司 | Manufacturing method and production equipment of high-density damp-proof board |
| CN112496875A (en) * | 2020-11-30 | 2021-03-16 | 菏泽市宁丰木业有限公司 | Application method and equipment of high-precision full-automatic special sander for ultrathin plate |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210608 |
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| WW01 | Invention patent application withdrawn after publication |