CN108481953A - A kind of education and instruction presentation device - Google Patents
A kind of education and instruction presentation device Download PDFInfo
- Publication number
- CN108481953A CN108481953A CN201810127131.4A CN201810127131A CN108481953A CN 108481953 A CN108481953 A CN 108481953A CN 201810127131 A CN201810127131 A CN 201810127131A CN 108481953 A CN108481953 A CN 108481953A
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- CN
- China
- Prior art keywords
- spring
- fixed case
- pillar
- block
- education
- 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.)
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Classifications
-
- 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
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/004—Repeatedly-usable boards or tablets for writing or drawing with illuminating devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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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
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- 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
- B43L12/00—Means to prevent slippage
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to a kind of presentation device more particularly to a kind of education and instruction presentation devices.The technical problem to be solved in the present invention is to provide a kind of displayings that can carry out thicker paper and the paper of large scale, show good fixing effect, facilitate the education and instruction presentation device write and inscribed after class.The present invention provides such a education and instruction presentation devices, include pedestal, friction pad, pillar, fixed case, baffle, flap, blackboard, fixing device, swing seat, electric pushrod, sector gear etc.;Symmetrical expression is provided with pillar before and after fixed case bottom wall, and pillar bottom end is provided with pedestal, and pedestal lower part is provided with friction pad, and bottom right is provided with baffle in fixed case.Invention achieves displaying, displaying good fixing effect and the effects for facilitating writing to inscribe after class that can carry out thicker paper and the paper of large scale, this equipment utilization fixing device fixes paper courseware, it is suitble to the displaying of different-thickness and the paper courseware of size, bandwagon effect good.
Description
Technical field
The present invention relates to a kind of presentation device more particularly to a kind of education and instruction presentation devices.
Background technology
The inclined theoretical property of content that education and instruction is taught is strong, and teacher, after having given lessons, teacher can after class, to having
A little data are shown, and are learnt after facilitating students in class, meanwhile, some homeworks of progress indwelling are needed, papery courseware thickness is not
One, it is not of uniform size, in education and instruction, the fixation to papery courseware, mainly utilize magnetite, papery it is thicker and size it is larger
Paper courseware be easy to slide, bandwagon effect is limited, therefore there is an urgent need for research and develop a kind of to carry out thicker paper and large scale
Paper displaying, show good fixing effect, facilitate and write the education and instruction presentation device inscribed after class.
Invention content
(1)Technical problems to be solved
The present invention is in order to overcome in education and instruction, the fixation to papery courseware, mainly utilizes magnetite, and papery is thicker and size
Larger paper courseware is easy to slide, and the limited disadvantage of bandwagon effect, the technical problem to be solved in the present invention is to provide one kind can
To carry out the displaying of the paper of thicker paper and large scale, good fixing effect is shown, facilitate the education religion write and inscribed after class
Presentation device.
(2)Technical solution
In order to solve the above technical problem, the present invention provides such a education and instruction presentation devices, include pedestal, rub
Scrubbing pad, pillar, fixed case, baffle, flap, blackboard, fixing device, swing seat, electric pushrod, sector gear, rack, swing
Bar, sliding sleeve, guide rod and cross bar, symmetrical expression is provided with pillar before and after fixed case bottom wall, and pillar bottom end is provided with pedestal, pedestal lower part
It is provided with friction pad, bottom right is provided with baffle in fixed case, and left side is provided with cross bar and guide rod, cross bar right end in fixed case
Rotary type is provided with sector gear, and guide rod is located at below cross bar, and sliding sleeve is arranged on guide rod, rack, rack are provided at the top of sliding sleeve
It is engaged with sector gear, rotary type is connected with oscillating rod on the right side of rack, and swing seat, swing seat are provided on the left of fixed case inner top
On be hingedly connected with electric pushrod, electric pushrod bottom end is articulated and connected with sector gear, rotary type connection on the right side of fixed case roof
There is flap, is articulated and connected with oscillating rod right end on the left of flap, is provided with blackboard and fixing device on the right side of flap, fixing device is located at
Above blackboard.
Preferably, fixing device includes briquetting, curved bar, foam-rubber cushion, the first spring and fixed block, on the right side of flap top from
Front to back is evenly arranged with the first spring and fixed block successively, and fixed block is located above the first spring, hingedly connects on the right side of fixed block
It is connected to curved bar, the first spring right end is connect with curved bar, and curved bar top is provided with briquetting, and curved bar lower left is provided with foam-rubber cushion.
Preferably, further include have riser, the first wedge block, the second wedge block, second spring, third spring and fixture block, Gu
Determine symmetrical expression before and after bottom wall and be provided with first through hole and the first groove, the first groove is located at the left side of through-hole, the first groove with
Corresponding first through hole is connected to, and third spring and fixture block are provided in the first groove, and third spring is located on the left of fixture block, third spring
It is connected with corresponding fixture block, pillar passes through first through hole, and the first card slot and the second card slot, the second card are provided on the left of column upper section
Slot is located at below the first card slot, and the first card slot and the second card slot coordinate with fixture block, and pillar top is provided with the second wedge block, the
It is connected with second spring in two wedge blocks and fixed case between bottom, sliding sleeve bottom is provided with riser, symmetrical before and after bottom of the riser
Formula is provided with the first wedge block, and the first wedge block is located above the second wedge block, the first wedge block and corresponding second wedge block
Cooperation.
Preferably, further include having first pulley, second pulley, drawstring, the 4th spring, shifting chute, movable stand and placing groove,
Fixed case antetheca lower left quarter and rear portion lower left quarter are both provided with the second through-hole, and left side symmetrical expression is provided with second pulley in fixed case
And shifting chute, shifting chute are located on the outside of second pulley, and drawstring is connected in second pulley, the rear wall and rear side of front side shifting chute move
The antetheca of dynamic slot is both provided with aperture, and movable stand is provided in shifting chute, and movable stand is located on the outside of aperture, and movable stand outboard end is set
It is equipped with placing groove, placing groove and the second through-hole coordinate, and the 4th spring is connected between movable stand inner end and shifting chute, front side
Drawstring passes through the aperture and the 4th spring of front side, the end of front side drawstring to be connect with the rear end of front side movable stand, the drawstring of rear side
Across the aperture and the 4th spring of rear side, the end of rear side drawstring is connect with the front end of rear side movable stand, right before and after riser left side
Title formula is provided with first pulley, and first pulley is located at the directly to the right of drawstring.
Preferably, further include blocking slot, connecting rod and headlamp, fixed case top right side, which is provided with, blocks slot, fixed
Rotary type is provided with connecting rod on the right side of box top, and connecting rod is located at the right front for blocking slot, and connecting rod end is connected with headlamp.
Preferably, further include having covering, placing pipe and cork, placement pipe is connected with before and after fixed case upper right quarter, places pipe
It is connected to outside, the equal rotary type in fixed case antetheca upper right side and rear wall upper right side is provided with covering, and cork is provided in covering, soft
Plug coordinates with pipe is placed.
Operation principle:When needing to carry out complementary education teaching using this equipment, this equipment is placed on suitable position, bottom
Seat and pillar support this equipment, and friction pad friction is big, this equipment is allow firmly to place, and start electric pushrod and shrink, draw
Dynamic sector gear reverses, and rack travels forward, and oscillating rod pushes flap to reverse forward, after a period of time, blackboard and fixing device
Certain angle is tilted to, electric pushrod is stopped, in this way, when people is when blackboard writes the topic after class of indwelling, writes facility, together
When, after finishing writing, start fixing device, paper courseware is clipped in fixing device to fixed, startup electric pushrod elongation, it is fan-shaped
Gear is clockwise, and rack moves downward, and oscillating rod is pulled to swing, and oscillating rod pulls flap clockwise, when flap and fixed case bottom wall connect
It touches, and when flap be in vertical state, electric pushrod is stopped, and then this equipment is shown.
Because fixing device includes briquetting, curved bar, foam-rubber cushion, the first spring and fixed block, top the past on the right side of flap
It is evenly arranged with the first spring and fixed block successively after, fixed block is located above the first spring, articulated connection on the right side of fixed block
There are curved bar, the first spring right end to be connect with curved bar, curved bar top is provided with briquetting, and curved bar lower left is provided with foam-rubber cushion, so
When people needs fixed paper courseware, briquetting, curved bar reverse afterwards, and paper courseware is placed on by the first spring elongation, then, people
Briquetting is unclamped in position between foam-rubber cushion and flap, and under the elastic force effect of the first spring, curved bar is clockwise, drives foam-rubber cushion suitable
Turn, paper courseware is clipped on flap, paper courseware is facilitated to show.
Because further including having riser, the first wedge block, the second wedge block, second spring, third spring and fixture block, fixed case
Symmetrical expression is provided with first through hole and the first groove before and after bottom wall, and the first groove is located at the left side of through-hole, the first groove with it is corresponding
First through hole is connected to, and is provided with third spring and fixture block in the first groove, and third spring is located at fixture block left side, third spring with it is right
The fixture block connection answered, pillar pass through first through hole, the first card slot and the second card slot, the second slot are provided on the left of column upper section
Below the first card slot, the first card slot and the second card slot coordinate with fixture block, and pillar top is provided with the second wedge block, the second wedge
Second spring is connected in shape block and fixed case between bottom, sliding sleeve bottom is provided with riser, and symmetrical expression is set before and after bottom of the riser
It is equipped with the first wedge block, the first wedge block is located above the second wedge block, and the first wedge block coordinates with corresponding second wedge block,
So when fixture block is located in the second card slot, pillar is fixed, second spring relaxation, flap tilts, while the major part of pillar
It stretches into fixed case, this device height is relatively low, and promotional content, after finishing writing, electric pushrod are write on blackboard convenient for people
It stretches, rack moves downward, and sliding sleeve is driven to move downward, and riser moves downward therewith, and the first wedge block moves downward, and squeezes the
Two wedge block stress move downward, and squeeze second spring, and pillar moves downward, in the process, fixture block stress move downward from
Extraction in second card slot, third spring-compressed, then, when the first card slot is located at fixture block directly to the right, fixture block is in third spring
Elastic force effect is lower to be inserted into the second card slot, this equipment is raised, convenient for the displaying content of courses.
Because further include have first pulley, second pulley, drawstring, the 4th spring, shifting chute, movable stand and placing groove, Gu
Determine case antetheca lower left quarter and rear portion lower left quarter be both provided with the second through-hole, in fixed case left side symmetrical expression be provided with second pulley and
Shifting chute, shifting chute are located on the outside of second pulley, and drawstring, rear wall and the rear side movement of front side shifting chute are connected in second pulley
The antetheca of slot is both provided with aperture, and movable stand is provided in shifting chute, and movable stand is located on the outside of aperture, the setting of movable stand outboard end
There are placing groove, placing groove and the second through-hole to coordinate, the 4th spring, the drawing of front side are connected between movable stand inner end and shifting chute
It restricts across the aperture and the 4th spring of front side, the end of front side drawstring is connect with the rear end of front side movable stand, and the drawstring of rear side is worn
Later the end of the aperture of side and the 4th spring, rear side drawstring is connect with the front end of rear side movable stand, symmetrical before and after riser left side
Formula is provided with first pulley, and first pulley is located at the directly to the right of drawstring, initially, chalk is placed in placing groove, first pulley is squeezed
Drawstring, the 4th spring-compressed, placing groove is pressed to be located in fixed case, so when needing to write on blackboard, riser is with sliding sleeve
It moving right, first pulley is moved right with first pulley, and movable stand moves outward under the elastic force effect of the 4th spring,
Placing groove is driven to pass through on the outside of the second through-hole to fixed case, then, people can take out chalk use out of placing groove.
Because further including blocking slot, connecting rod and headlamp, fixed case top right side, which is provided with, blocks slot, fixed case top
Rotary type is provided with connecting rod on the right side of portion, and connecting rod is located at the right front for blocking slot, and connecting rod end is connected with headlamp, just
Beginning, headlamp is located at flap upper right side, so when night, opens headlamp, provides light, this equipment night is facilitated to show,
When headlamp need not be used, it is rotatablely connected 180 ° of bar, headlamp is turned to and is blocked in slot, protection photograph can be played by blocking slot
Bright lamp.
Because further including having covering, placing pipe and cork, placement pipe is connected with before and after fixed case upper right quarter, place pipe with it is outer
Side is connected to, and the equal rotary type in fixed case antetheca upper right side and rear wall upper right side is provided with coverings, is provided with cork in covering, cork and
Pipe cooperation is placed, so when carrying out courseware displaying using this equipment, cork can be extracted out with turning cover, made placement by people
Pipe is connected to outside, and then, people can place some associated paper data placing in pipe, facilitate people to read and understand paper class
Part, after the use of this equipment, people's turning cover resets, and cork plug is made to place reset in pipe.
(3)Advantageous effect
Invention achieves displaying, the displaying good fixing effects and conveniently that can carry out thicker paper and the paper of large scale
The effect inscribed after class is write, this equipment utilization fixing device fixes paper courseware, is suitble to the paper courseware of different-thickness and size
Displaying, bandwagon effect is good, and is provided with blackboard, is inscribed after class convenient for teacher's indwelling, this functions of the equipments is various, this equipment utilization
Electric pushrod drives flap rotation, writes on blackboard convenient for people and is shown using blackboard, easy to operate, easy-to-use.
Description of the drawings
Fig. 1 is the main structure diagram of the present invention.
Fig. 2 is the main structure diagram of the fixing device of the present invention.
Fig. 3 is the first part main structure diagram of the present invention.
Fig. 4 is the partial top structural schematic diagram of the present invention.
Fig. 5 is second of part main structure diagram of the present invention.
Fig. 6 is the overlooking structure diagram for blocking slot of the present invention.
Fig. 7 is the part right side structural representation of the present invention.
Label in attached drawing be:1- pedestals, 2- friction pads, 3- pillars, 4- fixed cases, 5- baffles, 6- flaps, 7- blackboards,
8- fixing devices, 81- briquettings, 82- curved bars, 83- foam-rubber cushions, the first springs of 84-, 85- fixed blocks, 9- swing seats, 10- is electronic to be pushed away
Bar, 11- sector gears, 12- racks, 13- oscillating rods, 14- sliding sleeves, 15- guide rods, 16- cross bars, 17- risers, the first wedge shapes of 18-
Block, the second wedge blocks of 19-, 20- second springs, the first card slots of 21-, 22- third springs, the first grooves of 23-, 24- fixture blocks, 25-
Second card slot, 26- first through hole, 27- first pulleys, 28- second pulleys, 29- drawstrings, 30- apertures, the 4th springs of 31-, 32-
Shifting chute, 33- movable stands, 34- placing grooves, the second through-holes of 35-, 36- block slot, 37- connecting rods, 38- headlamps, and 39- is covered,
40- places pipe, 41- corks.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of education and instruction presentation device includes as shown in figs. 1-7 pedestal 1, friction pad 2, pillar 3, fixed case 4, baffle
5, flap 6, blackboard 7, fixing device 8, swing seat 9, electric pushrod 10, sector gear 11, rack 12, oscillating rod 13, sliding sleeve 14,
Guide rod 15 and cross bar 16, symmetrical expression is provided with pillar 3 before and after 4 bottom wall of fixed case, and 3 bottom end of pillar is provided with pedestal 1, under pedestal 1
Portion is provided with friction pad 2, and bottom right is provided with baffle 5 in fixed case 4, and left side is provided with cross bar 16 and guide rod in fixed case 4
15,16 right end rotary type of cross bar is provided with sector gear 11, and guide rod 15 is located at 16 lower section of cross bar, sliding sleeve 14 is arranged on guide rod 15,
14 top of sliding sleeve is provided with rack 12, and rack 12 is engaged with sector gear 11, and 12 right side rotary type of rack is connected with oscillating rod 13,
Be provided with swing seat 9 on the left of fixed case 4 inner top, be hingedly connected with electric pushrod 10 in swing seat 9,10 bottom end of electric pushrod with
Sector gear 11 is articulated and connected, and rotary type is connected with flap 6 on the right side of 4 roof of fixed case, and 6 left side of flap is cut with scissors with 13 right end of oscillating rod
It connects in succession, 6 right side of flap is provided with blackboard 7 and fixing device 8, and fixing device 8 is located at 7 top of blackboard.
Embodiment 2
A kind of education and instruction presentation device includes as shown in figs. 1-7 pedestal 1, friction pad 2, pillar 3, fixed case 4, baffle
5, flap 6, blackboard 7, fixing device 8, swing seat 9, electric pushrod 10, sector gear 11, rack 12, oscillating rod 13, sliding sleeve 14,
Guide rod 15 and cross bar 16, symmetrical expression is provided with pillar 3 before and after 4 bottom wall of fixed case, and 3 bottom end of pillar is provided with pedestal 1, under pedestal 1
Portion is provided with friction pad 2, and bottom right is provided with baffle 5 in fixed case 4, and left side is provided with cross bar 16 and guide rod in fixed case 4
15,16 right end rotary type of cross bar is provided with sector gear 11, and guide rod 15 is located at 16 lower section of cross bar, sliding sleeve 14 is arranged on guide rod 15,
14 top of sliding sleeve is provided with rack 12, and rack 12 is engaged with sector gear 11, and 12 right side rotary type of rack is connected with oscillating rod 13,
Be provided with swing seat 9 on the left of fixed case 4 inner top, be hingedly connected with electric pushrod 10 in swing seat 9,10 bottom end of electric pushrod with
Sector gear 11 is articulated and connected, and rotary type is connected with flap 6 on the right side of 4 roof of fixed case, and 6 left side of flap is cut with scissors with 13 right end of oscillating rod
It connects in succession, 6 right side of flap is provided with blackboard 7 and fixing device 8, and fixing device 8 is located at 7 top of blackboard.
Fixing device 8 includes briquetting 81, curved bar 82, foam-rubber cushion 83, the first spring 84 and fixed block 85,6 right side of flap
Top is evenly arranged with the first spring 84 and fixed block 85 successively from front to back, and fixed block 85 is located at 84 top of the first spring, Gu
To determine 85 right side of block and is hingedly connected with curved bar 82,84 right end of the first spring is connect with curved bar 82, and 82 top of curved bar is provided with briquetting 81,
82 lower left of curved bar is provided with foam-rubber cushion 83.
Embodiment 3
A kind of education and instruction presentation device includes as shown in figs. 1-7 pedestal 1, friction pad 2, pillar 3, fixed case 4, baffle
5, flap 6, blackboard 7, fixing device 8, swing seat 9, electric pushrod 10, sector gear 11, rack 12, oscillating rod 13, sliding sleeve 14,
Guide rod 15 and cross bar 16, symmetrical expression is provided with pillar 3 before and after 4 bottom wall of fixed case, and 3 bottom end of pillar is provided with pedestal 1, under pedestal 1
Portion is provided with friction pad 2, and bottom right is provided with baffle 5 in fixed case 4, and left side is provided with cross bar 16 and guide rod in fixed case 4
15,16 right end rotary type of cross bar is provided with sector gear 11, and guide rod 15 is located at 16 lower section of cross bar, sliding sleeve 14 is arranged on guide rod 15,
14 top of sliding sleeve is provided with rack 12, and rack 12 is engaged with sector gear 11, and 12 right side rotary type of rack is connected with oscillating rod 13,
Be provided with swing seat 9 on the left of fixed case 4 inner top, be hingedly connected with electric pushrod 10 in swing seat 9,10 bottom end of electric pushrod with
Sector gear 11 is articulated and connected, and rotary type is connected with flap 6 on the right side of 4 roof of fixed case, and 6 left side of flap is cut with scissors with 13 right end of oscillating rod
It connects in succession, 6 right side of flap is provided with blackboard 7 and fixing device 8, and fixing device 8 is located at 7 top of blackboard.
Fixing device 8 includes briquetting 81, curved bar 82, foam-rubber cushion 83, the first spring 84 and fixed block 85,6 right side of flap
Top is evenly arranged with the first spring 84 and fixed block 85 successively from front to back, and fixed block 85 is located at 84 top of the first spring, Gu
To determine 85 right side of block and is hingedly connected with curved bar 82,84 right end of the first spring is connect with curved bar 82, and 82 top of curved bar is provided with briquetting 81,
82 lower left of curved bar is provided with foam-rubber cushion 83.
Further include having riser 17, the first wedge block 18, the second wedge block 19, second spring 20, third spring 22 and fixture block
24, symmetrical expression is provided with first through hole 26 and the first groove 23 before and after 4 bottom wall of fixed case, and the first groove 23 is located at a left side for through-hole
Side, the first groove 23 are connected to corresponding first through hole 26, and third spring 22 and fixture block 24, third bullet are provided in the first groove 23
Spring 22 is located at 24 left side of fixture block, and third spring 22 is connected with corresponding fixture block 24, and pillar 3 passes through first through hole 26,3 top of pillar
Left side is provided with the first card slot 21 and the second card slot 25, and the second card slot 25 is located at 21 lower section of the first card slot, the first card slot 21 and the
Two draw-in groove 25 coordinates with fixture block 24, and 3 top of pillar is provided with the second wedge block 19, the second wedge block 19 and bottom in fixed case 4
Second spring 20 is connected between portion, 14 bottom of sliding sleeve is provided with riser 17, and symmetrical expression is provided with first before and after 17 bottom of riser
Wedge block 18, the first wedge block 18 are located at 19 top of the second wedge block, and the first wedge block 18 is matched with corresponding second wedge block 19
It closes.
Embodiment 4
A kind of education and instruction presentation device includes as shown in figs. 1-7 pedestal 1, friction pad 2, pillar 3, fixed case 4, baffle
5, flap 6, blackboard 7, fixing device 8, swing seat 9, electric pushrod 10, sector gear 11, rack 12, oscillating rod 13, sliding sleeve 14,
Guide rod 15 and cross bar 16, symmetrical expression is provided with pillar 3 before and after 4 bottom wall of fixed case, and 3 bottom end of pillar is provided with pedestal 1, under pedestal 1
Portion is provided with friction pad 2, and bottom right is provided with baffle 5 in fixed case 4, and left side is provided with cross bar 16 and guide rod in fixed case 4
15,16 right end rotary type of cross bar is provided with sector gear 11, and guide rod 15 is located at 16 lower section of cross bar, sliding sleeve 14 is arranged on guide rod 15,
14 top of sliding sleeve is provided with rack 12, and rack 12 is engaged with sector gear 11, and 12 right side rotary type of rack is connected with oscillating rod 13,
Be provided with swing seat 9 on the left of fixed case 4 inner top, be hingedly connected with electric pushrod 10 in swing seat 9,10 bottom end of electric pushrod with
Sector gear 11 is articulated and connected, and rotary type is connected with flap 6 on the right side of 4 roof of fixed case, and 6 left side of flap is cut with scissors with 13 right end of oscillating rod
It connects in succession, 6 right side of flap is provided with blackboard 7 and fixing device 8, and fixing device 8 is located at 7 top of blackboard.
Fixing device 8 includes briquetting 81, curved bar 82, foam-rubber cushion 83, the first spring 84 and fixed block 85,6 right side of flap
Top is evenly arranged with the first spring 84 and fixed block 85 successively from front to back, and fixed block 85 is located at 84 top of the first spring, Gu
To determine 85 right side of block and is hingedly connected with curved bar 82,84 right end of the first spring is connect with curved bar 82, and 82 top of curved bar is provided with briquetting 81,
82 lower left of curved bar is provided with foam-rubber cushion 83.
Further include having riser 17, the first wedge block 18, the second wedge block 19, second spring 20, third spring 22 and fixture block
24, symmetrical expression is provided with first through hole 26 and the first groove 23 before and after 4 bottom wall of fixed case, and the first groove 23 is located at a left side for through-hole
Side, the first groove 23 are connected to corresponding first through hole 26, and third spring 22 and fixture block 24, third bullet are provided in the first groove 23
Spring 22 is located at 24 left side of fixture block, and third spring 22 is connected with corresponding fixture block 24, and pillar 3 passes through first through hole 26,3 top of pillar
Left side is provided with the first card slot 21 and the second card slot 25, and the second card slot 25 is located at 21 lower section of the first card slot, the first card slot 21 and the
Two draw-in groove 25 coordinates with fixture block 24, and 3 top of pillar is provided with the second wedge block 19, the second wedge block 19 and bottom in fixed case 4
Second spring 20 is connected between portion, 14 bottom of sliding sleeve is provided with riser 17, and symmetrical expression is provided with first before and after 17 bottom of riser
Wedge block 18, the first wedge block 18 are located at 19 top of the second wedge block, and the first wedge block 18 is matched with corresponding second wedge block 19
It closes.
Further include having first pulley 27, second pulley 28, drawstring 29, the 4th spring 31, shifting chute 32, movable stand 33 and putting
Slot 34 is set, 4 antetheca lower left quarter of fixed case and rear portion lower left quarter are both provided with the second through-hole 35, and left side symmetrical expression is set in fixed case 4
It is equipped with second pulley 28 and shifting chute 32, shifting chute 32 is located at 28 outside of second pulley, drawstring 29 is connected in second pulley 28,
The rear wall of front side shifting chute 32 and the antetheca of rear side shifting chute 32 are both provided with aperture 30, and movable stand is provided in shifting chute 32
33, movable stand 33 is located at 30 outside of aperture, and 33 outboard end of movable stand is provided with placing groove 34, and placing groove 34 is matched with the second through-hole 35
It closes, the 4th spring 31 is connected between 33 inner end of movable stand and shifting chute 32, the drawstring 29 of front side passes through the aperture 30 of front side
It is connect with the rear end of front side movable stand 33 with the end of the 4th spring 31, front side drawstring 29, the drawstring 29 of rear side passes through rear side
The end of aperture 30 and the 4th spring 31, rear side drawstring 29 is connect with the front end of rear side movable stand 33, right before and after 17 left side of riser
Title formula is provided with first pulley 27, and first pulley 27 is located at the directly to the right of drawstring 29.
Further include blocking slot 36, connecting rod 37 and headlamp 38,4 top right side of fixed case, which is provided with, blocks slot 36, Gu
Determine 4 top right side rotary type of case and be provided with connecting rod 37, connecting rod 37 is located at the right front for blocking slot 36, and 37 end of connecting rod connects
It is connected to headlamp 38.
Further include having covering 39, placing pipe 40 and cork 41, is connected with before and after 4 upper right quarter of fixed case and places pipe 40, placed
Pipe 40 is connected to outside, and 4 antetheca upper right side of fixed case and the equal rotary type in rear wall upper right side are provided with covering 39, cover and are arranged on 39
There are cork 41, cork 41 to coordinate with pipe 40 is placed.
Operation principle:When needing to carry out complementary education teaching using this equipment, this equipment is placed on suitable position, bottom
Seat 1 and pillar 3 support this equipment, and friction pad 2 rubs greatly, this equipment is allow firmly to place, and start electric pushrod 10 and receive
Contracting pulls sector gear 11 to reverse, and rack 12 travels forward, and oscillating rod 13 pushes forward flap 6 to reverse, black after a period of time
Plate 7 and fixing device 8 tilt to certain angle, and electric pushrod 10 is stopped, in this way, when people writes the class of indwelling in blackboard 7
After when inscribing, write facility, meanwhile, after finishing writing, start fixing device 8, paper courseware is clipped in fixing device 8 it is fixed,
Start electric pushrod 10 to extend, sector gear 11 is clockwise, and rack 12 moves downward, and oscillating rod 13 is pulled to swing, and oscillating rod 13 is drawn
Turn plate 6 is clockwise, and when flap 6 is contacted with 4 bottom wall of fixed case, and flap 6 is in vertical state, electric pushrod 10 stops work
Make, this subsequent equipment is shown.
Because fixing device 8 includes briquetting 81, curved bar 82, foam-rubber cushion 83, the first spring 84 and fixed block 85, flap 6
It is evenly arranged with the first spring 84 and fixed block 85 successively from front to back above right side, fixed block 85 is located on the first spring 84
Side, 85 right side of fixed block are hingedly connected with curved bar 82, and 84 right end of the first spring is connect with curved bar 82, and 82 top of curved bar is provided with pressure
Block 81,82 lower left of curved bar are provided with foam-rubber cushion 83, so when people needs fixed paper courseware, it is rear to press briquetting 81, curved bar 82
It reverses, the first spring 84 stretches, and then, paper courseware is placed on the position between foam-rubber cushion 83 and flap 6 by people, unclamps briquetting
81, under the elastic force effect of the first spring 84, curved bar 82 is clockwise, drives foam-rubber cushion 83 clockwise, paper courseware is clipped in flap 6
On, facilitate paper courseware to show.
Because further including having riser 17, the first wedge block 18, the second wedge block 19, second spring 20,22 and of third spring
Fixture block 24, symmetrical expression is provided with first through hole 26 and the first groove 23 before and after 4 bottom wall of fixed case, and the first groove 23 is located at through-hole
Left side, the first groove 23 are connected to corresponding first through hole 26, and third spring 22 and fixture block 24, third are provided in the first groove 23
Spring 22 is located at 24 left side of fixture block, and third spring 22 is connected with corresponding fixture block 24, and pillar 3 is in first through hole 26, pillar 3
The first card slot 21 and the second card slot 25 are provided on the left of portion, the second card slot 25 is located at 21 lower section of the first card slot, 21 He of the first card slot
Second card slot 25 coordinates with fixture block 24, and 3 top of pillar is provided with the second wedge block 19, the second wedge block 19 in fixed case 4
Second spring 20 is connected between bottom, 14 bottom of sliding sleeve is provided with riser 17, and symmetrical expression is provided with before and after 17 bottom of riser
One wedge block 18, the first wedge block 18 are located at 19 top of the second wedge block, the first wedge block 18 and corresponding second wedge block 19
Cooperation, so when fixture block 24 is located in the second card slot 25, pillar 3 is fixed, and second spring 20 relaxes, and flap 6 tilts, and props up simultaneously
The major part of column 3 stretches into fixed case 4, this device height is relatively low, and promotional content is write on blackboard 7 convenient for people, writes
After, electric pushrod 10 stretches, and rack 12 moves downward, and sliding sleeve 14 is driven to move downward, and riser 17 moves downward therewith, the
One wedge block 18 moves downward, and squeezes 19 stress of the second wedge block and moves downward, squeezes second spring 20, and pillar 3 moves downward,
In the process, 24 stress of fixture block moves downward the extraction out of second card slot 25, and third spring 22 compresses, then, when the first card
When slot 21 is located at 24 directly to the right of fixture block, fixture block 24 is inserted under the elastic force effect of third spring 22 in the second card slot 25, will originally be set
It is standby to raise, convenient for the displaying content of courses.
Because further including having first pulley 27, second pulley 28, drawstring 29, the 4th spring 31, shifting chute 32, movable stand 33
With placing groove 34,4 antetheca lower left quarter of fixed case and rear portion lower left quarter are both provided with the second through-hole 35, and left side is symmetrical in fixed case 4
Formula is provided with second pulley 28 and shifting chute 32, and shifting chute 32 is located at 28 outside of second pulley, drawing is connected in second pulley 28
Rope 29, the rear wall of front side shifting chute 32 and the antetheca of rear side shifting chute 32 are both provided with aperture 30, and shifting is provided in shifting chute 32
Moving frame 33, movable stand 33 are located at 30 outside of aperture, and 33 outboard end of movable stand is provided with placing groove 34, placing groove 34 and the second through-hole
35 cooperations, are connected with the 4th spring 31 between 33 inner end of movable stand and shifting chute 32, the drawstring 29 of front side passes through the small of front side
The end of hole 30 and the 4th spring 31, front side drawstring 29 is connect with the rear end of front side movable stand 33, after the drawstring 29 of rear side passes through
The aperture 30 and the 4th spring 31 of side, the end of rear side drawstring 29 are connect with the front end of rear side movable stand 33, before 17 left side of riser
Symmetrical expression is provided with first pulley 27 afterwards, and first pulley 27 is located at the directly to the right of drawstring 29, initially, powder is placed in placing groove 34
Pen, first pulley 27 squeeze drawstring 29, the compression of the 4th spring 31, and placing groove 34 is located in fixed case 4, so when needing in blackboard
When being write on 7, riser 17 is moved right with sliding sleeve 14, and first pulley 27 is moved right with first pulley 27, in the 4th bullet
Movable stand 33 moves outward under the elastic force effect of spring 31, and placing groove 34 is driven to pass through on the outside of the second through-hole 35 to fixed case 4, with
Afterwards, people can take out chalk out of placing groove 34 and use.
Because further including blocking slot 36, connecting rod 37 and headlamp 38,4 top right side of fixed case, which is provided with, blocks slot
36,4 top right side rotary type of fixed case is provided with connecting rod 37, and connecting rod 37 is located at the right front for blocking slot 36, connecting rod 37
End is connected with headlamp 38, and initially, headlamp 38 is located at 6 upper right side of flap, so when night, opens headlamp 38, carries
For light, this equipment night is facilitated to show, when headlamp 38 need not be used, be rotatablely connected 37180 ° of bar, by 38 turns of headlamp
It moves to blocking in slot 36, protection headlamp 38 can be played by blocking slot 36.
Because further including having covering 39, placing pipe 40 and cork 41, it is connected with before and after 4 upper right quarter of fixed case and places pipe 40,
It places pipe 40 to be connected to outside, 4 antetheca upper right side of fixed case and the equal rotary type in rear wall upper right side are provided with covering 39, cover on 39
It is provided with cork 41, cork 41 coordinates with pipe 40 is placed, so when carrying out courseware displaying using this equipment, people can rotate
39 are covered, cork 41 is extracted out, placement pipe 40 is made to be connected to outside, then, people can some be related placing the interior placement of pipe 40
Paper data facilitates people to read and understands paper courseware, and after the use of this equipment, people's turning cover 39 resets, and makes cork 41
Plug is placing reset in pipe 40.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of education and instruction presentation device, which is characterized in that include pedestal(1), friction pad(2), pillar(3), it is fixed
Case(4), baffle(5), flap(6), blackboard(7), fixing device(8), swing seat(9), electric pushrod(10), sector gear
(11), rack(12), oscillating rod(13), sliding sleeve(14), guide rod(15)And cross bar(16), fixed case(4)It is symmetrical before and after bottom wall
It is provided with pillar(3), pillar(3)Bottom end is provided with pedestal(1), pedestal(1)Lower part is provided with friction pad(2), fixed case(4)It is interior
Bottom right is provided with baffle(5), fixed case(4)Interior left side is provided with cross bar(16)And guide rod(15), cross bar(16)Right end turns
Dynamic formula is provided with sector gear(11), guide rod(15)Positioned at cross bar(16)Lower section, guide rod(15)Upper setting sliding sleeve(14), sliding sleeve
(14)Top is provided with rack(12), rack(12)With sector gear(11)Engagement, rack(12)Right side rotary type is connected with pendulum
Lever(13), fixed case(4)It is provided with swing seat on the left of inner top(9), swing seat(9)On be hingedly connected with electric pushrod
(10), electric pushrod(10)Bottom end and sector gear(11)Articulated connection, fixed case(4)Rotary type is connected with flap on the right side of roof
(6), flap(6)Left side and oscillating rod(13)Right end is articulated and connected, flap(6)Right side is provided with blackboard(7)And fixing device
(8), fixing device(8)Positioned at blackboard(7)Top.
2. a kind of education and instruction presentation device according to claim 1, which is characterized in that fixing device(8)Include
Briquetting(81), curved bar(82), foam-rubber cushion(83), the first spring(84)And fixed block(85), flap(6)Above right side from front to back
It is evenly arranged with the first spring successively(84)And fixed block(85), fixed block(85)Positioned at the first spring(84)Top, fixed block
(85)Right side is hingedly connected with curved bar(82), the first spring(84)Right end and curved bar(82)Connection, curved bar(82)Top is provided with
Briquetting(81), curved bar(82)Lower left is provided with foam-rubber cushion(83).
3. a kind of education and instruction presentation device according to claim 2, which is characterized in that further include having riser(17)、
First wedge block(18), the second wedge block(19), second spring(20), third spring(22)And fixture block(24), fixed case(4)Bottom
Symmetrical expression is provided with first through hole before and after wall(26)With the first groove(23), the first groove(23)Positioned at the left side of through-hole, first
Groove(23)With corresponding first through hole(26)Connection, the first groove(23)Inside it is provided with third spring(22)And fixture block(24), the
Three springs(22)Positioned at fixture block(24)Left side, third spring(22)With corresponding fixture block(24)Connection, pillar(3)It is logical across first
Hole(26), pillar(3)Upper left-hand is provided with the first card slot(21)With the second card slot(25), the second card slot(25)Positioned at the first card
Slot(21)Lower section, the first card slot(21)With the second card slot(25)And fixture block(24)Cooperation, pillar(3)Top is provided with the second wedge
Shape block(19), the second wedge block(19)With fixed case(4)It is connected with second spring between interior bottom(20), sliding sleeve(14)Bottom is set
It is equipped with riser(17), riser(17)Symmetrical expression is provided with the first wedge block before and after bottom(18), the first wedge block(18)Positioned at
Two wedge blocks(19)Top, the first wedge block(18)With corresponding second wedge block(19)Cooperation.
4. a kind of education and instruction presentation device according to claim 3, which is characterized in that further include having first pulley
(27), second pulley(28), drawstring(29), the 4th spring(31), shifting chute(32), movable stand(33)And placing groove(34)Gu
Determine case(4)Antetheca lower left quarter and rear portion lower left quarter are both provided with the second through-hole(35), fixed case(4)Interior left side symmetrical expression is provided with
Second pulley(28)And shifting chute(32), shifting chute(32)Positioned at second pulley(28)Outside, second pulley(28)On be connected with
Drawstring(29), front side shifting chute(32)Rear wall and rear side shifting chute(32)Antetheca be both provided with aperture(30), shifting chute
(32)Inside it is provided with movable stand(33), movable stand(33)Positioned at aperture(30)Outside, movable stand(33)Outboard end is provided with placement
Slot(34), placing groove(34)With the second through-hole(35)Cooperation, movable stand(33)Inner end and shifting chute(32)Between be connected with
Four springs(31), the drawstring of front side(29)Aperture across front side(30)With the 4th spring(31), front side drawstring(29)End
With front side movable stand(33)Rear end connection, the drawstring of rear side(29)Across the aperture of rear side(30)With the 4th spring(31), after
Layback rope(29)End and rear side movable stand(33)Front end connection, riser(17)Symmetrical expression is provided with the first cunning before and after left side
Wheel(27), first pulley(27)Positioned at drawstring(29)Directly to the right.
5. a kind of education and instruction presentation device according to claim 4, which is characterized in that further include blocking slot
(36), connecting rod(37)And headlamp(38), fixed case(4)Top right side, which is provided with, blocks slot(36), fixed case(4)Top right
Side rotary type is provided with connecting rod(37), connecting rod(37)Positioned at blocking slot(36)Right front, connecting rod(37)End connects
There is headlamp(38).
6. a kind of education and instruction presentation device according to claim 5, which is characterized in that further include having covering(39)、
Place pipe(40)And cork(41), fixed case(4)Placement pipe is connected with before and after upper right quarter(40), place pipe(40)Connect with outside
It is logical, fixed case(4)The equal rotary type in antetheca upper right side and rear wall upper right side is provided with covering(39), cover(39)On be provided with cork
(41), cork(41)It is managed with placing(40)Cooperation.
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CN201810127131.4A CN108481953A (en) | 2018-02-08 | 2018-02-08 | A kind of education and instruction presentation device |
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CN201810127131.4A CN108481953A (en) | 2018-02-08 | 2018-02-08 | A kind of education and instruction presentation device |
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ID=63339945
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Cited By (5)
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CN111820685A (en) * | 2020-07-10 | 2020-10-27 | 周春燕 | Rolling type cloth paving display platform |
CN112107166A (en) * | 2020-09-08 | 2020-12-22 | 廖秀连 | Portable display device of building site construction drawing |
CN112265396A (en) * | 2020-10-30 | 2021-01-26 | 江西宏大教育科技发展有限公司 | Teaching aid of angularly adjustable |
CN112603123A (en) * | 2020-12-08 | 2021-04-06 | 大连交通大学 | Foldable multifunctional display rack for art design |
CN114129002A (en) * | 2021-12-01 | 2022-03-04 | 延边大学 | History education hangs display device with teaching picture |
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CN206718804U (en) * | 2017-03-06 | 2017-12-08 | 陕西国际商贸学院 | A kind of presentation board for English teaching being conveniently fixedly clamped |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112265396A (en) * | 2020-10-30 | 2021-01-26 | 江西宏大教育科技发展有限公司 | Teaching aid of angularly adjustable |
CN112603123A (en) * | 2020-12-08 | 2021-04-06 | 大连交通大学 | Foldable multifunctional display rack for art design |
CN114129002A (en) * | 2021-12-01 | 2022-03-04 | 延边大学 | History education hangs display device with teaching picture |
CN114129002B (en) * | 2021-12-01 | 2023-08-11 | 延边大学 | Teaching graph suspension display device for history education |
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Application publication date: 20180904 |