CN204095371U - Blackboard for education writes wiping dust collecting - Google Patents
Blackboard for education writes wiping dust collecting Download PDFInfo
- Publication number
- CN204095371U CN204095371U CN201420379824.XU CN201420379824U CN204095371U CN 204095371 U CN204095371 U CN 204095371U CN 201420379824 U CN201420379824 U CN 201420379824U CN 204095371 U CN204095371 U CN 204095371U
- Authority
- CN
- China
- Prior art keywords
- gear
- blackboard
- shelving
- dust
- dust collecting
- 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 provides a kind of blackboard for education to write wiping dust collecting, belong to teaching appliance technical field, its structure comprises blackboard and dust connects platform, guide rail is provided with above blackboard upper limb, guide rail arranges railcar, and rail car bottom is provided with support bar, and support bar is provided with motor, motor exports and drives driving gear to rotate, and driving gear is arranged on one-level gear shelving; One-level gear shelving is hinged on support bar; Be provided with driving gear in one-level gear shelving, the first gear, the second gear engage in turn; The 3rd gear is provided with and the 4th gear engages in turn in secondary gear shelving; Transition frame fetters the second gear and is meshed with the 3rd gear; 4th gear shaft bottom of the 4th gear is connected with rotating disk, and the bottom surface of rotating disk is provided with bristle, and the bristle of rotating disk is towards blackboard panel and contact with blackboard panel pressure.This blackboard for education write wiping dust collecting facilitate, save time, laborsaving, quick, effective, wiping effect is clean.
Description
Technical field
The utility model relates to teaching appliance technical field, and specifically a kind of blackboard for education writes wiping dust collecting.
Background technology
General, blackboard traditional sense is said be one can the plane of repeated writing, plate face is hard, is used for teaching, makes, can write, mostly be black with chalk above with plank or ground glass etc., blackish green, white.Chalk is the instrument of transmission of culture.Although the use of traditional blackboard eraser can be good at erasing chalk writings, the operational motion of blackboard eraser is firmly reciprocal wiping, and user easily occurs that arm is tired, the damage of wrist muscle and ligament.And the writing blackboard eraser of full blackboard is wiped harder.
Summary of the invention
Technical assignment of the present utility model solves the deficiencies in the prior art, provides a kind of blackboard for education to write wiping dust collecting.
The technical solution of the utility model realizes in the following manner, and this blackboard for education writes wiping dust collecting, and its structure comprises blackboard and dust connects platform,
Be provided with guide rail above blackboard upper limb, guide rail arranges railcar, rail car bottom is provided with support bar, and support bar is provided with motor,
The motor output shaft of motor is fixedly connected with driving gear shaft, and driving gear shaft drives driving gear to rotate, and driving gear is arranged on one-level gear shelving; One-level gear shelving is hinged on support bar;
Be provided with driving gear, the first gear, the second gear in one-level gear shelving, driving gear, the first gear, the second gear are arranged on one-level gear shelving respectively by wheel shaft, and driving gear, the first gear, the second gear is arranged in a straight line and engage in turn;
Be provided with the 3rd gear and the 4th gear in secondary gear shelving, the 3rd gear and the 4th gear engage in turn;
Hinged by transition frame between one-level gear shelving and secondary gear shelving, transition frame one end is hinged on the second gear shaft of one-level gear shelving, the other end of transition frame is hinged on the 3rd gear shaft of secondary gear shelving, and transition frame fetters the second gear and is meshed with the 3rd gear;
4th gear shaft bottom of the 4th gear is connected with rotating disk, and the bottom surface of rotating disk is provided with bristle, and the bristle of rotating disk is towards blackboard panel and contact with blackboard panel pressure;
The top of the 4th gear shaft is provided with handle sleeve;
Blackboard root edge is provided with dust and connects platform, dust connects on platform and is provided with chalk support net, dust connects platform bottom and is connected with dust hopper, dust leg is connected with bottom dust hopper, it is interior to the water surface that dust leg end extend into water tank, the suction tube more than water surface in water tank arranged is connected to the external world, the suction tube in the water tank external world is provided with axial-flow type sucktion fan, and the airflow direction of axial-flow type sucktion fan is by the external world of water tank towards suction tube end.
Triangular support bracket is provided with between rail car and support bar.
The length of transition frame equals the tooth radius sum of the second gear and the 3rd gear.
The gear size of the first gear, the second gear, the 3rd gear and the 4th gear, shape, gear set specifications are all identical.
The position of motor on support bar is arranged on the center of blackboard upper-lower height; The length of one-level gear shelving, transition frame and secondary gear shelving three and be more than or equal to the half of blackboard upper-lower height.
Motor adopts clockwise and anticlockwise motor.
Dust leg end offers passage.
The beneficial effect that the utility model is compared with prior art produced is:
This blackboard for education is write wiping dust collecting and is finally driven rotating disk forward or reverse to rotate at a series of gear of clockwise and anticlockwise motor transmission, the bristle rotated carries out wiping to blackboard panel, and carry out handle sleeve by operator toward the promotion of renaturation and realize the wiping track of rotating disk bristle on blackboard panel, wiping action is carried out in the plate face of blackboard eraser to blackboard traditionally that realize.
The mechanical arm of in-line hinged formation three connecting rod between one-level gear shelving, transition frame, secondary gear shelving, so makes rotating disk can move on whole blackboard plate, avoids producing dead angle area, blackboard wiping that can be more complete.
This blackboard for education writes wiping dust collecting only to be needed simply to press gently in blackboard plane, and action is smeared gently in blackboard plane, the effect of blackboard wiping can be realized, saving the wiping of operator's traditional blackboard uses upper arm to brandish frequently, facilitate, save time, laborsaving, quick, effective, wiping effect is clean.
This blackboard for education writes that wiping dust collecting is reasonable in design, structure is simple, safe and reliable, easy to use, be easy to safeguard, have good value for applications.
Accompanying drawing explanation
Accompanying drawing 1 is main TV structure schematic diagram of the present utility model;
Accompanying drawing 2 is side-looking structural representations of the present utility model;
Accompanying drawing 3 is partial structurtes schematic diagrames of the present utility model.
Mark in accompanying drawing represents respectively:
1, blackboard, 2, guide rail, 3, rail car, 4, support bar, 5, triangular support bracket,
6, motor, 7, motor output shaft, 8, driving gear shaft, 9, driving gear, 10, one-level gear shelving,
11, the first gear, the 12, second gear, the 13, the 3rd gear, the 14, the 4th gear,
15, secondary gear shelving, 16, transition frame,
17, rotating disk, 18, bristle, 19, handle sleeve,
20, dust connects platform, and 21, chalk support net, 22, dust hopper, 23, dust leg, 24, water tank, 25, suction tube, 26, axial-flow type sucktion fan;
27, the second gear shaft, the 28, the 3rd gear shaft, the 29, the 4th gear shaft, 30, passage.
Detailed description of the invention
Write wiping dust collecting below in conjunction with accompanying drawing to blackboard for education of the present utility model to be described in detail below.
As shown in drawings, blackboard for education of the present utility model writes wiping dust collecting, its structure comprises blackboard 1 and dust connects platform 20, guide rail 2 is provided with above blackboard 1 upper limb, guide rail 2 is arranged railcar 3, rail car 3 bottom is provided with support bar 4, support bar 4 is provided with motor 6, is provided with triangular support bracket 5 between rail car 3 and support bar 4.The motor output shaft 7 of motor 6 is fixedly connected with driving gear shaft 8, and driving gear shaft 8 drives driving gear 9 to rotate, and driving gear 9 is arranged on one-level gear shelving 10; One-level gear shelving 10 is hinged on support bar 4;
Driving gear 9, first gear 11, second gear 12 is provided with in one-level gear shelving 10, driving gear 9, first gear 11, second gear 12 is arranged on one-level gear shelving 10 respectively by wheel shaft, and driving gear 9, first gear 11, second gear 12 is arranged in a straight line and engage in turn;
Be provided with the 3rd gear 13 and the 4th gear the 14, three gear 13 and the 4th gear 14 in secondary gear shelving 15 to engage in turn;
Hinged by transition frame 16 between one-level gear shelving 10 and secondary gear shelving 15, transition frame 16 one end is hinged on the second gear shaft 27 of one-level gear shelving, the other end of transition frame 16 is hinged on the 3rd gear shaft 28 of secondary gear shelving, and transition frame 16 fetters the second gear 12 and is meshed with the 3rd gear 13;
4th gear shaft bottom of the 4th gear 14 is connected with rotating disk 17, and the bottom surface of rotating disk 17 is provided with bristle 18, and the bristle 18 of rotating disk is towards blackboard panel and contact with blackboard panel pressure;
The top of the 4th gear shaft 29 is provided with handle sleeve 19;
Blackboard 1 root edge is provided with dust and connects platform 20, dust connects on platform 20 and is provided with chalk support net 21, dust connects platform 20 bottom and is connected with dust hopper 22, dust leg 23 is connected with bottom dust hopper 22, it is interior to the water surface that dust leg 23 end extend into water tank 24, the suction tube 25 more than water surface in water tank 24 arranged is connected to the external world, and the suction tube 25 in water tank 24 external world is provided with axial-flow type sucktion fan 26, and the airflow direction of axial-flow type sucktion fan 26 is by the external world of water tank 24 towards suction tube 25 end.
The length of transition frame 16 equals the tooth radius sum of the second gear 12 and the 3rd gear 13.
The gear size of the first gear 11, second gear 12, the 3rd gear 13 and the 4th gear 14, shape, gear set specifications are all identical.
The position of motor 6 on support bar 4 is arranged on the center of blackboard upper-lower height; The length of one-level gear shelving 10, transition frame 16 and secondary gear shelving 15 three and be more than or equal to the half of blackboard upper-lower height.
Motor 6 adopts clockwise and anticlockwise motor.
Dust leg 23 end offers passage 30.
Claims (7)
1. blackboard for education writes wiping dust collecting, it is characterized in that comprising blackboard and dust connects platform,
Be provided with guide rail above blackboard upper limb, guide rail arranges railcar, rail car bottom is provided with support bar, and support bar is provided with motor,
The motor output shaft of motor is fixedly connected with driving gear shaft, and driving gear shaft drives driving gear to rotate, and driving gear is arranged on one-level gear shelving; One-level gear shelving is hinged on support bar;
Be provided with driving gear, the first gear, the second gear in one-level gear shelving, driving gear, the first gear, the second gear are arranged on one-level gear shelving respectively by wheel shaft, and driving gear, the first gear, the second gear is arranged in a straight line and engage in turn;
Be provided with the 3rd gear and the 4th gear in secondary gear shelving, the 3rd gear and the 4th gear engage in turn;
Hinged by transition frame between one-level gear shelving and secondary gear shelving, transition frame one end is hinged on the second gear shaft of one-level gear shelving, the other end of transition frame is hinged on the 3rd gear shaft of secondary gear shelving, and transition frame fetters the second gear and is meshed with the 3rd gear;
4th gear shaft bottom of the 4th gear is connected with rotating disk, and the bottom surface of rotating disk is provided with bristle, and the bristle of rotating disk is towards blackboard panel and contact with blackboard panel pressure;
The top of the 4th gear shaft is provided with handle sleeve;
Blackboard root edge is provided with dust and connects platform, dust connects on platform and is provided with chalk support net, dust connects platform bottom and is connected with dust hopper, dust leg is connected with bottom dust hopper, it is interior to the water surface that dust leg end extend into water tank, the suction tube more than water surface in water tank arranged is connected to the external world, the suction tube in the water tank external world is provided with axial-flow type sucktion fan, and the airflow direction of axial-flow type sucktion fan is by the external world of water tank towards suction tube end.
2. blackboard for education according to claim 1 writes wiping dust collecting, it is characterized in that being provided with triangular support bracket between rail car and support bar.
3. blackboard for education according to claim 1 writes wiping dust collecting, it is characterized in that the length of transition frame equals the tooth radius sum of the second gear and the 3rd gear.
4. blackboard for education according to claim 1 writes wiping dust collecting, it is characterized in that the first gear, the second gear, the gear size of the 3rd gear and the 4th gear, shape, gear set specifications are all identical.
5. blackboard for education according to claim 1 writes wiping dust collecting, it is characterized in that the position of motor on support bar is arranged on the center of blackboard upper-lower height; The length of one-level gear shelving, transition frame and secondary gear shelving three and be more than or equal to the half of blackboard upper-lower height.
6. blackboard for education according to claim 1 writes wiping dust collecting, it is characterized in that motor adopts clockwise and anticlockwise motor.
7. blackboard for education according to claim 1 writes wiping dust collecting, it is characterized in that dust leg end offers passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379824.XU CN204095371U (en) | 2014-07-10 | 2014-07-10 | Blackboard for education writes wiping dust collecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379824.XU CN204095371U (en) | 2014-07-10 | 2014-07-10 | Blackboard for education writes wiping dust collecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204095371U true CN204095371U (en) | 2015-01-14 |
Family
ID=52263832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420379824.XU Expired - Fee Related CN204095371U (en) | 2014-07-10 | 2014-07-10 | Blackboard for education writes wiping dust collecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204095371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228740A (en) * | 2017-07-11 | 2019-01-18 | 河北艾业科技发展有限公司 | A kind of blackboard for preventing dust from splashing |
-
2014
- 2014-07-10 CN CN201420379824.XU patent/CN204095371U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228740A (en) * | 2017-07-11 | 2019-01-18 | 河北艾业科技发展有限公司 | A kind of blackboard for preventing dust from splashing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150710 |
|
| EXPY | Termination of patent right or utility model |