CN203832082U - Multifunctional blackboard - Google Patents

Multifunctional blackboard Download PDF

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Publication number
CN203832082U
CN203832082U CN201420272939.9U CN201420272939U CN203832082U CN 203832082 U CN203832082 U CN 203832082U CN 201420272939 U CN201420272939 U CN 201420272939U CN 203832082 U CN203832082 U CN 203832082U
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CN
China
Prior art keywords
cylinder
driven
fixed
swab
vertical
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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.)
Expired - Fee Related
Application number
CN201420272939.9U
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Chinese (zh)
Inventor
朱兰芹
王学盛
袁亚蒙
刘振东
王雪茹
Original Assignee
朱兰芹
王学盛
袁亚蒙
刘振东
王雪茹
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Application filed by 朱兰芹, 王学盛, 袁亚蒙, 刘振东, 王雪茹 filed Critical 朱兰芹
Priority to CN201420272939.9U priority Critical patent/CN203832082U/en
Application granted granted Critical
Publication of CN203832082U publication Critical patent/CN203832082U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a multifunctional blackboard. The multifunctional blackboard comprises a framework, a writing screen, a back board and a power driving mechanism, wherein a drum vertical driving rotating mechanism and a drum vertical driven rotating mechanism are arranged on both sides of the writing screen; a tension mechanism is arranged at the middle segment of the writing screen; scrubbing devices are arranged at the rolling-in end and the rolling-out end of the writing screen; the scrubbing device at the rolling-in end is connected with the power driving mechanism, and a compression device is arranged on one side of the scrubbing device; the drum vertical driving rotating mechanism and the drum vertical driven rotating mechanism are fixed on the back board; the drum vertical driving rotating mechanism is driven by the power driving mechanism; the drum vertical driven rotating mechanism is driven by the drum vertical driving rotating mechanism. The multifunctional blackboard is convenient to install and use, meanwhile dust-free environment-friendly teaching is realized, and the health of teachers and students is fully protected; moreover, the multifunctional blackboard is low in manufacturing cost, has a powerful function, and has higher cost performance and a wider market prospect compared with the conventional commercially-available ordinary blackboard.

Description

Multi-functional blackboard
Technical field
The utility model relates to teaching equipment field, is specially multi-functional blackboard.
Background technology
Blackboard is one of modal teaching aid in teaching process, and it has the feature of the use of being simple and easy to and repeated writing as a kind of traditional teaching aid.Teacher is by the content of attending class in blackboard writing on the blackboard, by the student that imparts to of abstract knowledge image hard to understand, thereby reaches the object of teaching.
The blackboard of existing school for imparting knowledge to students, generally adopt traditional mode that blackboard is fixing on the wall, need to lean on manpower to clean, dust is larger like this, and contaminated environment can endanger the healthy of teachers and students for a long time, and pupil is because can't reach blackboard, often step on the writing of stool on erasing the board, easily causing tumble injury, very dangerous.
Utility model content
The purpose of this utility model is to provide a kind of close structure, easy accessibility, and multi-functional blackboard that can automatic scrubbing, to solve the problem proposing in above-mentioned background technology.
To achieve these goals, the technical problem that the utility model solves realizes by the following technical solutions:
Multi-functional blackboard, comprises framework, writes screen, is fixed on the backboard in framework and is fixed on the power-driven mechanism on backboard; Described both sides of writing screen are provided with for driving and write cylinder vertical active rotation mechanism and the vertical driven rotating mechanism of cylinder that screen horizontally rotates motion, the interlude of writing screen is provided with strainer, writing screen rolls into end and rolls out end and be equipped with swab, the swab that rolls into end is arranged on the vertical active rotation of cylinder mechanism one side, and the swab that rolls out end is arranged on a side of the vertical driven rotating mechanism of cylinder; The described swab that rolls into end is connected with power-driven mechanism with link pin by connecting rod, and a side of swab is provided with for regulating swab and writing the hold down gag of distance between screen; Described hold down gag is fixed by adjustable bolt and framework; The vertical driven rotating mechanism of described cylinder vertical active rotation mechanism and cylinder is all fixed on backboard, the vertical active rotation of cylinder mechanism is connected by writing screen realization with the vertical driven rotating mechanism of cylinder, the vertical active rotation of cylinder mechanism is driven by power-driven mechanism, and the driven rotating mechanism of drum-type is driven to realize by the vertical active rotation of cylinder mechanism and rotates.
Further, a side of described framework is provided with wall chart mechanism, and described wall chart mechanism comprises expansion link, gear, tooth bar, handle, rack-track piece and self-locking device; Described handle is connected with gear, wheel and rack engagement, and tooth bar is connected with rack-track piece; Described self-locking device is tooth bar screens piece.
Further, described expansion link is provided with clip.
Further, the vertical driven rotating mechanism of described cylinder vertical active rotation mechanism and cylinder includes cylinder and is arranged on the bearing at cylinder two ends, and for the bearing fixed mount of rigid bearing, wherein, bearing fixed mount is fixed on backboard, and one end of the drum shaft in the vertical active rotation of cylinder mechanism is provided with bevel gear wheel.
Further, described power-driven mechanism comprises the motor fixing frame that is fixed on backboard, is fixed on the single-phase stepper motor on motor fixing frame, the output shaft being connected with progressive motor by shaft coupling and device at the cam on output shaft top, wherein, on described output shaft, bevel pinion is installed, bevel pinion and the bevel gear wheel engagement that is arranged on drum shaft one end, realize the power transmission of the vertical active rotation of power-driven mechanism and cylinder mechanism.
Further, the gearratio of described bevel pinion and bevel gear wheel is 1:2.
Further, described strainer comprises tensioning rotating shaft, is arranged on the bearing at tensioning rotating shaft two ends and for the fixed mount of rigid bearing.
Further, described in write screen and made by PVC material, flexibility is good, can be used for rotatablely moving.
Further, described in roll into end swab be wet rubbing device, the water pump that comprises outer cover, is fixed on wiping sponge in outer cover and supplies water for sponge.
Further, described in roll out end swab be dry wiping device, comprise outer cover and be fixed on the wiping sponge in outer cover.
Further, the back side of described backboard is also provided with dry wiping device, and the dry wet rubbing of whole scouring process is washed alternately, strengthens scrub effect.
beneficial effect
The utility model perfect in shape and function, is convenient to install and use, and can farthest improve the efficiency of attending class.Teaching environment mechanization, automation and intelligentized only choosing.Meanwhile, the utility model has been realized dustless environment protecting teaching, and the healthy of teacher and student adequately protected.Under the serious overall situation of nowadays environmental pollution, certainly will numerous teachers and students' favor will be obtained.In addition, the utility model cost is lower, powerful, compares current normal blackboard on the market, has higher cost performance, and market prospects are wide.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is power-driven mechanism structural representation described in the utility model;
Fig. 3 is wall chart mechanical work principle figure described in the utility model.
The specific embodiment
In order to make of the present utility modelly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Figure 1-3, multi-functional blackboard, comprises framework 1, writes screen 2, is fixed on the backboard 3 in framework and is fixed on the power-driven mechanism 4 on backboard 3; Described both sides of writing screen 2 are provided with for driving and write the vertical active rotation of cylinder mechanism 5 and the vertical driven rotating mechanism 6 of cylinder that screen 2 horizontally rotates motion, the interlude of writing screen 2 is provided with strainer 7, prevent skidding, write rolling into end and roll out end and being equipped with swab of screen 2, the swab 8 that rolls into end is arranged on the vertical active rotation of cylinder mechanism 5 one sides, and the swab (not marking in figure) that rolls out end is arranged on a side of the vertical driven rotating mechanism 6 of cylinder.
Wherein, the swab 8 that rolls into end is connected with the cam 4-5 in power-driven mechanism 4 with link pin 10 by connecting rod 9, cam 4-5 rotation, impel the cycle movement up and down of connecting rod 9 and swab 8, both form two dimensional motion, vestige on erasing writing screen 2 effectively, one side of swab 8 is provided with for regulating swab 8 and writing the hold down gag 12 of distance between screen 2, hold down gag 12 is fixing by adjustable bolt 12-1 and framework 1, by regulating the degree of tightness of adjustable bolt 12-1, distance between sponge in adjusting screen and swab 8, control its tight ness rating, the problem that friction is much or wiping does not wash clean of avoiding hypotelorism or excessively far causing, strengthened scrub effect, also be convenient to the replacing of sponge in swab 8, extend the service life of whole device.
The vertical driven rotating mechanism 6 of the vertical active rotation of described cylinder mechanism 5 and cylinder comprises cylinder 5-1 and 6-1, and the bearing 5-2 and the 6-2 that are arranged on cylinder 5-1 and 6-1 two ends, and for bearing fixed mount 5-3 and the 6-4 of rigid bearing 5-2 and 6-2, wherein, bearing fixed mount 5-3 and 6-4 are fixed on backboard 2, and turning cylinder one end of cylinder 5-1 is provided with bevel gear wheel 5-3.
Described power-driven mechanism 4 comprises the motor fixing frame 4-1 being fixed on backboard, be fixed on the single-phase stepper motor 4-2 on motor fixing frame, the output shaft 4-4 being connected with progressive motor 4-2 by shaft coupling 4-3 and device are at the cam 4-5 on output shaft 4-4 top, wherein, on described output shaft 4-4, bevel pinion 4-6 is installed, bevel pinion 4-6 and the bevel gear wheel 5-3 engagement that is arranged on turning cylinder one end of cylinder 5-1, the gearratio of bevel pinion 4-6 and bevel gear wheel 5-3 is 1:2, the power that horizontally rotates of the output of stepper motor 4-2 is by the transmission of bevel pinion 4-6 and bevel gear wheel 5-3, be transformed into the revolving force of the vertical direction rotating for the vertical active rotation of head roll mechanism 5, when the vertical active rotation of power-driven mechanism 4 head roll mechanism 5 rotates, the vertical active rotation of cylinder mechanism 5 pulls the vertical driven rotating mechanism 6 of cylinder to rotate by writing screen 2, thereby realization is write screen 2 and is horizontally rotated motion.
One side of described framework 1 is provided with wall chart mechanism, and described wall chart mechanism comprises expansion link 13, gear 14, tooth bar 15, handle 16, rack-track piece 17 and self-locking device 18; Described handle 16 is connected with gear 14, gear 14 and tooth bar 15 engagements, tooth bar 15 is connected with rack-track piece 17, for hanging school wall map or teaching process, needs the long-time immobilized substance retaining (as example exercise question, structure chart etc., be equivalent to fixedly blackboard), expanded blackboard space.
Described self-locking device 18 is tooth bar screens piece, during use, first move expansion link 13 to Len req, with connecting rod, prop up, with clip, drawing is fixed on expansion link 13, swinging handle 16, handle 16 driven gear 14 rotations, gear 14 promotes tooth bar 15 and moves upward under the drive of rack-track piece 17, while arriving correct position, handle 16 stops, then with self-locking device 18, tooth bar is fixing.
Wherein, described in roll into end swab 8 be wet rubbing device, comprise outer cover, be fixed on wiping sponge in outer cover and be the water pump of sponge water supply; The described swab (not marking in figure) that rolls out end is dry wiping device, comprises outer cover and is fixed on the wiping sponge in outer cover; When dry wet rubbing is washed alternately, in order to strengthen scrub effect, can also a set of dry wiping device be also set at the back side of backboard.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.

Claims (9)

1. multi-functional blackboard, comprises framework, writes screen, is fixed on the backboard in framework and is fixed on the power-driven mechanism on backboard; It is characterized in that, described both sides of writing screen are provided with for driving and write cylinder vertical active rotation mechanism and the vertical driven rotating mechanism of cylinder that screen horizontally rotates motion, the interlude of writing screen is provided with strainer, writing screen rolls into end and rolls out end and be equipped with swab, the swab that rolls into end is arranged on the vertical active rotation of cylinder mechanism one side, and the swab that rolls out end is arranged on a side of the vertical driven rotating mechanism of cylinder; The described swab that rolls into end is connected with power-driven mechanism with link pin by connecting rod, and a side of swab is provided with for regulating swab and writing the hold down gag of distance between screen; Described hold down gag is fixed by adjustable bolt and framework; The vertical driven rotating mechanism of described cylinder vertical active rotation mechanism and cylinder is all fixed on backboard, the vertical active rotation of cylinder mechanism is connected by writing screen realization with the vertical driven rotating mechanism of cylinder, the vertical active rotation of cylinder mechanism is driven by power-driven mechanism, and the driven rotating mechanism of drum-type is driven to realize by the vertical active rotation of cylinder mechanism and rotates.
2. multi-functional blackboard according to claim 1, is characterized in that, a side of described framework is provided with wall chart mechanism, and described wall chart mechanism comprises expansion link, gear, tooth bar, handle, rack-track piece and self-locking device; Described handle is connected with gear, wheel and rack engagement, and tooth bar is connected with rack-track piece; Described self-locking device is tooth bar screens piece.
3. multi-functional blackboard according to claim 1, it is characterized in that, the vertical driven rotating mechanism of described cylinder vertical active rotation mechanism and cylinder includes cylinder and is arranged on the bearing at cylinder two ends, and for the bearing fixed mount of rigid bearing, wherein, bearing fixed mount is fixed on backboard, and one end of the drum shaft in the vertical active rotation of cylinder mechanism is provided with bevel gear wheel.
4. multi-functional blackboard according to claim 1, it is characterized in that, described power-driven mechanism comprises the motor fixing frame that is fixed on backboard, is fixed on the single-phase stepper motor on motor fixing frame, the output shaft being connected with progressive motor by shaft coupling and device at the cam on output shaft top, wherein, on described output shaft, bevel pinion is installed, bevel pinion and the bevel gear wheel engagement that is arranged on drum shaft one end, realize the power transmission of the vertical active rotation of power-driven mechanism and cylinder mechanism.
5. according to the multi-functional blackboard described in claim 1 or 4 or 5, it is characterized in that, the gearratio of described bevel pinion and bevel gear wheel is 1:2.
6. multi-functional blackboard according to claim 1, is characterized in that, described strainer comprises tensioning rotating shaft, be arranged on the bearing at tensioning rotating shaft two ends and for the fixed mount of rigid bearing.
7. multi-functional blackboard according to claim 1, is characterized in that, described in write screen material be PVC material.
8. multi-functional blackboard according to claim 1, is characterized in that, described in roll out end swab be dry wiping device, comprise outer cover and be fixed on the wiping sponge in outer cover.
9. multi-functional blackboard according to claim 1, is characterized in that, the back side of described backboard is also provided with dry wiping device, strengthens scrub effect.
CN201420272939.9U 2014-05-27 2014-05-27 Multifunctional blackboard Expired - Fee Related CN203832082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420272939.9U CN203832082U (en) 2014-05-27 2014-05-27 Multifunctional blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420272939.9U CN203832082U (en) 2014-05-27 2014-05-27 Multifunctional blackboard

Publications (1)

Publication Number Publication Date
CN203832082U true CN203832082U (en) 2014-09-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420272939.9U Expired - Fee Related CN203832082U (en) 2014-05-27 2014-05-27 Multifunctional blackboard

Country Status (1)

Country Link
CN (1) CN203832082U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104476953A (en) * 2014-12-30 2015-04-01 西安石油大学 Finely-adjustable anti-reflective blackboard
CN106739704A (en) * 2017-01-21 2017-05-31 河北工业大学 A kind of intelligent blackboard

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104476953A (en) * 2014-12-30 2015-04-01 西安石油大学 Finely-adjustable anti-reflective blackboard
CN106739704A (en) * 2017-01-21 2017-05-31 河北工业大学 A kind of intelligent blackboard
CN106739704B (en) * 2017-01-21 2018-01-02 河北工业大学 A kind of intelligent blackboard

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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: 20140917

Termination date: 20160527