CN107344466A - The mobile seamless blackboard of one kind - Google Patents
The mobile seamless blackboard of one kind Download PDFInfo
- Publication number
- CN107344466A CN107344466A CN201710466172.1A CN201710466172A CN107344466A CN 107344466 A CN107344466 A CN 107344466A CN 201710466172 A CN201710466172 A CN 201710466172A CN 107344466 A CN107344466 A CN 107344466A
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- China
- Prior art keywords
- support shaft
- support
- housing
- blackboard
- component
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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
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- Toys (AREA)
Abstract
The invention discloses the mobile seamless blackboard of one kind, including housing, slide carriage component, upper pushing block component, lower pushing block component, vertically move board component, breast wheel, driving wheel, motor, transmission belt and support spring, the housing is internally provided with inside casing, the upper ledge of housing is internally provided with upper hopper chute, the lower frame of housing is internally provided with gliding groove, stop bit raised line is provided with the top and bottom of the upper hopper chute and gliding groove, the upper ledge in lower frame left end side wall with being provided with middle pole, upper ledge on lower frame right end sidewalls with being provided with main strut, the lower frame plate of the lower frame and the left-half of the upper deckle board of upper ledge are provided with inner support block and outer support block, support bar is connected between inner support block and outer support block；The present invention can reduce two pieces of blackboard seams, take a fancy to harmony more attractive in appearance, avoid chalk dust from falling into interior inframe, service life length is simple in construction, easy to use.
Description
【Technical field】
The present invention relates to the technical field of blackboard, the technical field of particularly seamless blackboard.
【Background technology】
It is required to use blackboard explain etc. in school and large enterprise now, so allowing for blackboard etc. makes
With very extensively, there are some polylith blackboards in present school, and they are two pieces of compositions mostly, and teacher has write lower part, so
Can be exchanged afterwards by the blackboard of the slideway of left and right both sides by following blackboard and above, but it is mobile complete after, two are black
Front plan is not concordant between plate, and chalk dust is easy to fall among gap, and shortening uses blackboard service life, influences simultaneously
The aesthetic property that writing is, allow spectators to look and produce strong division sense；For it is such the defects of, it is necessary to existing polylith
Blackboard is improved.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of mobile seamless blackboard, can make two pieces
Blackboard seam reduces, and takes a fancy to harmony more attractive in appearance, avoids chalk dust from falling into interior inframe, service life length, simple in construction, user
Just.
To achieve the above object, the present invention proposes a kind of mobile seamless blackboard, including housing, slide carriage component, upper pushing block
Component, lower pushing block component, vertically move board component, breast wheel, driving wheel, motor, transmission belt and support spring, the outer inframe
Portion is provided with inside casing, and the upper ledge of housing is internally provided with upper hopper chute, and the lower frame of housing is internally provided with gliding groove, the upper hopper chute
With being provided with stop bit raised line on the top and bottom of gliding groove, the upper ledge in lower frame left end side wall with being provided with middle pole, upper ledge
With being provided with main strut on lower frame right end sidewalls, in the left-half of the lower frame plate of the lower frame and the upper deckle board of upper ledge is provided with
Support block and outer support block, support bar is connected between inner support block and outer support block, long waist shaped is provided with the lower frame plate
Sliding eye；Slide carriage is provided with the rear bearing sheet of the slide carriage component, rear bearing sheet front side top is disposed with the first support
Axle, the second support shaft, the 3rd support shaft and the 4th support shaft, lower section is disposed with the 5th support shaft, the on front side of rear bearing sheet
Six support shafts, the 7th support shaft and the 8th support shaft, first support shaft, the second support shaft, the 3rd support shaft, the 4th support
Slider roller is arranged with axle, the 5th support shaft, the 6th support shaft, the 7th support shaft and the 8th support shaft, slider roller is cylindrical
Set on week fluted；Rear bearing sheet lower front end is provided with lower slider hole, and front end is provided with sliding eye above rear bearing sheet；
The slider roller of the slide carriage component is arranged in upper hopper chute and gliding groove；The upper moving body side of the upper pushing block component is set
There is upper sliding bar, upper sliding bar one end is provided with upper stopper, and the upper sliding bar is arranged in sliding eye, upper moving body front end
It is provided with wedge, upper moving body lower surface is provided with notch, and the upper swingle on upper notch is arranged with upper pressure wheel, upper outer
Vertical range between edge and upper swingle central axis is less than the radius of upper pressure wheel, and it is convex to be provided with first on rear side of upper moving body
Post, upper wedge front side are provided with the second projection；The lower moving body side of the lower pushing block component is provided with downslide lever, glides
Lever one end is provided with lower block, and the downslide lever is arranged in lower slider hole, and lower notch is provided with the upside of lower moving body, under
Lower pressure wheel is arranged with lower swingle on notch, the vertical range between lower outer rim and lower swingle is less than the half of lower pressure wheel
Footpath, lower moving body downside are provided with poke rod, and poke rod is arranged in long waist shaped sliding eye；The bow for vertically moving board component
The corner of shape supporting plate is provided with sliding eye, and sliding eye is set on support bar, and thin plate, arch are provided with front side of arc support plate
Support spring is arranged between supporting plate trailing flank and outer support block medial surface；Breast wheel is arranged with the middle pole, it is described
It is arranged with driving wheel on main strut, the quantity of driving wheel is two, and the is connected between one of driving wheel and the first projection
One left pull rope, the first right pull rope, another driving wheel and the 3rd are connected between one of driving wheel and the second projection
The second left pull rope is connected between projection, the second right pull rope is connected between another driving wheel and the 4th projection；First
Right pull rope is around the breast wheel on the left of upper ledge, and the second right pull rope is around the breast wheel on the left of lower frame；The driving wheel and electricity
By being driven band connection between the output shaft of machine.
Preferably, the inner support block and outer support block position are relative；The long waist shaped sliding eye is located at inner support block
On one side；The width of the slide carriage is equal with rear bearing sheet width, the leading flank of the slide carriage and the leading flank flush of housing, institute
State that thin plate is equal with arc support plate width, the width and web width of the slide carriage are the half of inside casing length, slide carriage and
The height of thin plate is highly equal with inside casing.
Preferably, being provided with rear projection with rear end in the middle part of the rear bearing sheet rear, set in the rotary shaft of rear projection
There is rotation pinch roller.
Preferably, slider roller groove in first support shaft and the 3rd support shaft and upper hopper chute upper side only
Position raised line is in contact, the slider roller groove in the second support shaft and the 4th support shaft and the stop bit raised line phase of upper hopper chute downside
Contact, the 5th support shaft and the slider roller groove of the 7th support shaft are in contact with the stop bit raised line of the downside of gliding groove, the
The slider roller groove of six support shafts and the 8th support shaft is in contact with the stop bit raised line of the upper side of gliding groove.
Preferably, the quantity of the upper sliding bar is at least 2, upper sliding bar is formed with upper sliding eye and is slidably matched；
The quantity of the downslide lever is at least 2, and downslide lever is formed with lower slider hole and is slidably matched.
Preferably, the poke rod lower surface is higher by housing downside 5-10mm；The poke rod lower surface is higher by outer
Frame downside 5-10mm；Voice device is provided at both ends with front side of the housing, control device is additionally provided with front side of housing.
Beneficial effects of the present invention：The present invention by by the slider roller groove in the first support shaft and the 3rd support shaft with
The stop bit raised line of upper hopper chute upper side is in contact, under the slider roller groove in the second support shaft and the 4th support shaft and upper hopper chute
The stop bit raised line of side is in contact, and the downside of the slider roller groove and gliding groove of the 5th support shaft and the 7th support shaft is stopped
Position raised line is in contact, the slider roller groove of the 6th support shaft and the 8th support shaft and the stop bit raised line phase of the upper side of gliding groove
Contact so that slide carriage component slides reliably in outer inframe, and movement is smooth；Poke rod is provided with the downside of lower moving body, poke rod is set
Put in long waist shaped sliding eye, poke rod lower surface is higher by housing downside 5-10mm so that poke rod can facilitate in long waist
Shape sliding eye moves so that blackboard is the same in the case of out of power can normal use；Breast wheel and driving wheel are provided with, is connected with
Left pull rope and right pull rope so that upper pushing block component and lower pushing block component conveniently moving, so as to facilitate slide carriage component more preferable
Move left and right, be provided with rear projection, rotation pinch roller is provided with the rotary shaft of rear projection so that slide carriage component is moved to vertical shifting
When in front of dynamic board component, it can uniformly push down and vertically move board component, support spring uniform force, effectively prevent structure from seriously inclining
Tiltedly；Simple in construction, easy to use, reliable operation of the invention.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of dimensional structure diagram for moving seamless blackboard of the present invention；
Fig. 2 is a kind of another structural representation for moving seamless blackboard of the present invention；
Fig. 3 is a kind of exploded perspective schematic diagram for moving seamless blackboard of the present invention；
Fig. 4 is a kind of housing dimensional structure diagram for moving seamless blackboard of the present invention；
Fig. 5 is a kind of housing solid partial structural diagram for moving seamless blackboard of the present invention；
Fig. 6 is a kind of three-dimensional another partial structural diagram of housing for moving seamless blackboard of the present invention；
Fig. 7 is a kind of another dimensional structure diagram of housing for moving seamless blackboard of the present invention；
Fig. 8 is a kind of housing diagrammatic cross-section for moving seamless blackboard of the present invention；
Fig. 9 is a kind of housing section partial schematic diagram for moving seamless blackboard of the present invention；
Figure 10 is a kind of slide carriage component dimensional structure diagram for moving seamless blackboard of the present invention；
Figure 11 is a kind of slide carriage component solid partial structural diagram for moving seamless blackboard of the present invention；
Figure 12 is a kind of another dimensional structure diagram of slide carriage component for moving seamless blackboard of the present invention；
Figure 13 is a kind of upper pushing block component dimensional structure diagram for moving seamless blackboard of the present invention；
Figure 14 is a kind of upper another dimensional structure diagram of pushing block component for moving seamless blackboard of the present invention；
Figure 15 is a kind of lower pushing block component dimensional structure diagram for moving seamless blackboard of the present invention；
Figure 16 is a kind of lower another dimensional structure diagram of pushing block component for moving seamless blackboard of the present invention；
Figure 17 be the present invention it is a kind of move seamless blackboard vertically move board component dimensional structure diagram.
In figure：1- housings, 101- inside casings, 102- upper ledges, 103- upper hopper chutes, 104- lower frames, 105- gliding grooves, 1051- stop
Pole, 107- lower frame plates, 108- inner support blocks, 109- outer supports block, 110- support bars, 111- long waist shapeds in position raised line, 106-
Sliding eye, 112- fixed plates support block, 113- main struts, the upper deckle boards of 114-, 115- voice devices, 116- control devices, 2- are slipped
Board component, 201- rear bearing sheets, 202- slide carriages, the support shafts of 203- first, the support shafts of 204- second, the support shafts of 205- the 3rd,
The support shafts of 206- the 4th, the support shafts of 207- the 5th, the support shafts of 208- the 6th, the support shafts of 209- the 7th, the support shafts of 210- the 8th,
Projection, 214- rotary shafts, 215- rotations pinch roller, the upper sliding eyes of 216-, 3- after 211- slider rollers, 212- lower sliders hole, 213-
Upper pushing block component, the upper wedges of 301-, the upper moving bodys of 302-, the upper outer rims of 303-, the upper sliding bars of 304-, 305- upper stoppers, 306-
Under the upper swingle of upper notch, 307-, 308- upper pressure wheels, the projections of 309- first, the projections of 310- second, 4- under pushing block component, 401-
Rotated under wedge, 402- under moving body, 403- under outer rim, 404- downslides lever, 405- under block, 406- under notch, 407-
Bar, 408- lower pressure wheels, the projections of 409- the 3rd, the projections of 410- the 4th, 411- poke rods, 5- vertically move board component, 501- arch
Supporting plate, 502- thin plates, 503- sliding eyes, 6- breast wheels, 7- driving wheels, 8- motors, 9- transmission belts, 10- support springs, 11-
Fixed plate.
【Embodiment】
Refering to Fig. 1-Figure 17, a kind of mobile seamless blackboard of the present invention, including housing 1, slide carriage component 2, upper pushing block component 3,
Lower pushing block component 4, board component 5, breast wheel 6, driving wheel 7, motor 8, transmission belt 9 and support spring 10 are vertically moved, it is described outer
Frame 1 is internally provided with inside casing 101, and the upper ledge 102 of housing 1 is internally provided with upper hopper chute 103, and the inside of lower frame 104 of housing 1 is set
There is gliding groove 105, the upper hopper chute 103 on the top and bottom of gliding groove 105 with being provided with stop bit raised line 1051, the upper ledge
102 with being provided with middle pole 106 in the left end side wall of lower frame 104, upper ledge 102 on the right end sidewalls of lower frame 104 with being provided with main strut
113, the left-half of the lower frame plate 107 of the lower frame 104 and the upper deckle board 114 of upper ledge 102 is provided with inner support block 108 and outside
Support block 109, support bar 110 is connected between inner support block 108 and outer support block 109, length is provided with the lower frame plate 107
Kidney-shaped sliding eye 111；Be provided with slide carriage 202 on the rear bearing sheet 201 of the slide carriage component 2, the front side top of rear bearing sheet 201 according to
It is secondary to be provided with the first support shaft 203, the second support shaft 204, the 3rd support shaft 205 and the 4th support shaft 206, rear bearing sheet 201
The 5th support shaft 207, the 6th support shaft 208, the 7th support shaft 209 and the 8th support shaft 210, institute are disposed with below front side
State the first support shaft 203, the second support shaft 204, the 3rd support shaft 205, the 4th support shaft 206, the 5th support shaft the 207, the 6th
Slider roller 211 is arranged with support shaft 208, the 7th support shaft 209 and the 8th support shaft 210, on the excircle of slider roller 211
Set fluted；The lower front end of rear bearing sheet 201 is provided with lower slider hole 212, and the top front end of rear bearing sheet 201 is provided with cunning
Dynamic hole 216；The slider roller 211 of the slide carriage component 2 is arranged in upper hopper chute 103 and gliding groove 105；The upper pushing block component
3 side of upper moving body 302 is provided with sliding bar 304, and upper one end of sliding bar 304 is provided with upper stopper 305, the upper slip
Bar 304 is arranged in sliding eye 216, and the upper front end of moving body 302 is provided with wedge 301, and the upper lower surface of moving body 302 is set
It is equipped with notch 306, the upper swingle 307 on upper notch 306 is arranged with upper pressure wheel 308, upper outer rim 303 and upper swingle 307
Vertical range between central axis is less than the radius of upper pressure wheel 308, and the upper rear side of moving body 302 is provided with the first projection 309, on
The front side of wedge 301 is provided with the second projection 310；The side of lower moving body 402 of the lower pushing block component 4 is provided with downslide lever
404, the one end of downslide lever 404 is provided with lower block 405, and the downslide lever 404 is arranged in lower slider hole 212, lower movement
The upside of body 402 is provided with lower notch 406, and lower pressure wheel 408, lower outer rim 403 are arranged with the lower swingle 407 on lower notch 406
Vertical range between lower swingle 407 is less than the radius of lower pressure wheel 408, and the lower downside of moving body 402 is provided with poke rod
411, poke rod 411 is arranged in long waist shaped sliding eye 111；The corner of the arc support plate 501 for vertically moving board component 5
Sliding eye 503 is provided with, sliding eye 503 is set on support bar 110, and the front side of arc support plate 501 is provided with thin plate 502, bends
Support spring 10 is arranged between the trailing flank of shape supporting plate 501 and the medial surface of outer support block 109；It is arranged on the middle pole 106
Have breast wheel 6, be arranged with driving wheel 7 on the main strut 113, the quantity of driving wheel 7 is two, one of driving wheel 7 with
The first left pull rope is connected between first projection 309, first is connected between one of projection 310 of driving wheel 7 and second
Right pull rope, the second left pull rope is connected between another projection 409 of driving wheel 7 and the 3rd, another driving wheel 7 and the 4th
The second right pull rope is connected between projection 410；First right pull rope is around the breast wheel 6 in the left side of upper ledge 102, the second right traction
Rope is around the breast wheel 6 on the left of lower frame 104；Connected between the output shaft of the driving wheel 7 and motor 8 by transmission belt 9；It is described
Inner support block 108 is relative with the position of outer support block 109；The long waist shaped sliding eye 111 is located at inner support block 108 on one side；It is described
The width of slide carriage 202 is equal with the width of rear bearing sheet 201, the leading flank of the slide carriage 202 and the leading flank flush of housing 1,
The thin plate 502 is equal with the width of arc support plate 501, and the width and the width of thin plate 502 of the slide carriage 202 are inside casing 101
The height of the half of length, slide carriage 202 and thin plate 502 is highly equal with inside casing 101；In the middle part of the rear of rear bearing sheet 201
Rear end is provided with rear projection 213, rotation pinch roller 215 is provided with the rotary shaft 214 of rear projection 213；First support shaft
203 and the 3rd groove of slider roller 211 in support shaft 205 be in contact with the stop bit raised line 1051 of the upper side of upper hopper chute 103,
The groove of slider roller 211 and the stop bit raised line 1051 of the downside of upper hopper chute 103 in two support shafts 204 and the 4th support shaft 206
It is in contact, the groove of slider roller 211 of the 5th support shaft 207 and the 7th support shaft 209 and the stop bit of the downside of gliding groove 105
Raised line 1051 is in contact, the groove of slider roller 211 of the 6th support shaft 208 and the 8th support shaft 210 and the upside of gliding groove 105
The stop bit raised line 1051 in face is in contact；The quantity of the upper sliding bar 304 is at least 2, upper sliding bar 304 and upper sliding eye
216 formation are slidably matched；The quantity of the downslide lever 404 is at least 2, and downslide lever 404 is formed with lower slider hole 212 and slided
It is dynamic to coordinate；The lower surface of poke rod 411 is higher by the downside 5-10mm of housing 1；The front side of housing 1 is provided at both ends with voice dress
115 are put, the front side of housing 1 is additionally provided with control device 116.
The course of work of the present invention：
A kind of mobile seamless blackboard of the invention in the course of the work, in the case where there is power supply, opens control device 116
Switch, motor 8 rotates, and so as to drive driving wheel 7 to rotate, driving wheel 7 is left by the right pull rope crimp shrinkage of breast wheel 6
Draw rope elongation so that go up pushing block component 3 and lower pushing block component 4 in the sliding eye 216 and lower slider hole 212 on corresponding respectively
Interior slip, until upper pushing block component 3 can not slide and lower pushing block component 4 can not be in lower slider hole 212 in upper sliding eye 216
Slide, now, upper wedge 301 is moved on front side of the upper end of arc support plate 501, and lower wedge 401 is moved to arc support plate
On front side of 501 lower ends so that the upper surface of thin plate 502 is located at the rear side of rear bearing sheet 201, and support spring 10 is compressed, and motor 8 continues to turn
Dynamic, upper pushing block component 3 and lower pushing block component 4 pull slide carriage component 2 to move forward jointly, upper pressure wheel 308, lower pressure wheel 408
With rotation pinch roller 215 in the surface scrolls of thin plate 502, the front of board component 5 is vertically moved until the component of slide carriage 2 is located at, motor 8
Resistance increases to setting and limited, motor stalls, and at this moment user can be write using fixed plate 11, can also be by fixation
Plate 11 repacks fixed frame into, in liquid crystal display device installed above etc. equipment.When needing slide carriage component 2 recovering original position
Put, motor 8 rotates backward, and upper pushing block component 3 and lower pushing block component 4 are moved respectively to sliding eye 216 and lower slider hole 212 not
Slidable position, then slide carriage component 2 is pulled to move jointly, so as to realize that slide carriage component 2 returns, until slide carriage component 2 one
Side arrives to the side wall of inside casing 101, and the resistance of motor 8 reaches setting limitation, and motor 8 stops operating, and support spring 10 recovers deformation so that
Vertically move board component 5 to eject forward so that the leading flank of thin plate 502 and the lateral wall flush of housing 1, vertically move board component 5
With the front side surface flush of slide carriage component 2, the formation of adjacent seam is smaller, and aesthetic property is preferable；When there is no power supply, only need artificial
Stir poke rod 411 so that poke rod 411 moves in long waist shaped sliding eye 111, and moving process and motor 8 drive process phase one
Cause, during return, it is only necessary to stir poke rod 411 and returned in long waist shaped sliding eye 111.
The present invention is by by the groove of slider roller 211 and upper hopper chute in the first support shaft 203 and the 3rd support shaft 205
The stop bit raised line 1051 of 103 upper sides is in contact, the groove of slider roller 211 in the second support shaft 204 and the 4th support shaft 206
It is in contact with the stop bit raised line 1051 of the downside of upper hopper chute 103, the slider roller of the 5th support shaft 207 and the 7th support shaft 209
211 grooves are in contact with the stop bit raised line 1051 of the downside of gliding groove 105, the 6th support shaft 208 and the 8th support shaft 210
The groove of slider roller 211 is in contact with the stop bit raised line 1051 of the upper side of gliding groove 105 so that slide carriage component 2 is in housing 1
Slide reliably, movement is smooth；The lower downside of moving body 402 is provided with poke rod 411, and poke rod 411 is arranged on long waist shaped sliding eye
In 111, the lower surface of poke rod 411 is higher by the downside 5-10mm of housing 1 so that poke rod 411 can facilitate to be slided in long waist shaped
Move in hole 111 so that blackboard is the same in the case of out of power can normal use；Breast wheel 6 and driving wheel 7 are provided with, is connected with
Left pull rope and right pull rope so that upper pushing block component 3 and the lower conveniently moving of pushing block component 4, so as to facilitate slide carriage component 2 more preferable
Move left and right, be provided with rear projection 213, be provided with the rotary shaft 214 of rear projection 213 rotation pinch roller 215 so that slide carriage group
Part 2 is moved to when vertically moving 5 front of board component, can uniformly be pushed down and be vertically moved board component 5, the stress of support spring 10 is equal
It is even, effectively prevent structure knockdown；Simple in construction, easy to use, reliable operation of the invention.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (6)
1. the mobile seamless blackboard of one kind, it is characterised in that：Including housing (1), slide carriage component (2), upper pushing block component (3), under push away
Block assembly (4), vertically move board component (5), breast wheel (6), driving wheel (7), motor (8), transmission belt (9) and support spring
(10), the housing (1) is internally provided with inside casing (101), and the upper ledge (102) of housing (1) is internally provided with upper hopper chute (103),
The lower frame (104) of housing (1) is internally provided with gliding groove (105), the upper hopper chute (103) and the top and bottom of gliding groove (105)
On be provided with stop bit raised line (1051), the upper ledge (102) with being provided with middle pole (106) in lower frame (104) left end side wall,
Be provided with main strut (113) on upper ledge (102) and lower frame (104) right end sidewalls, the lower frame plate (107) of the lower frame (104) with
The left-half of the upper deckle board (114) of upper ledge (102) is provided with inner support block (108) and outer support block (109), inner support block
(108) support bar (110) is connected between outer support block (109), long waist shaped sliding eye is provided with the lower frame plate (107)
(111)；Be provided with slide carriage (202) on the rear bearing sheet (201) of the slide carriage component (2), rear bearing sheet (201) front side top according to
It is secondary to be provided with the first support shaft (203), the second support shaft (204), the 3rd support shaft (205) and the 4th support shaft (206), rear branch
On front side of fagging (201) lower section be disposed with the 5th support shaft (207), the 6th support shaft (208), the 7th support shaft (209) and
8th support shaft (210), first support shaft (203), the second support shaft (204), the 3rd support shaft (205), the 4th support
Covered in axle (206), the 5th support shaft (207), the 6th support shaft (208), the 7th support shaft (209) and the 8th support shaft (210)
Provided with slider roller (211), set on slider roller (211) excircle fluted；Rear bearing sheet (201) lower front end is provided with
Lower slider hole (212), rear bearing sheet (201) top front end are provided with sliding eye (216)；The slip of the slide carriage component (2)
Roller (211) is arranged in upper hopper chute (103) and gliding groove (105)；The upper moving body (302) one of the upper pushing block component (3)
Side is provided with sliding bar (304), and upper sliding bar (304) one end is provided with upper stopper (305), and the upper sliding bar (304) sets
Put in upper sliding eye (216), upper moving body (302) front end is provided with wedge (301), upper moving body (302) lower surface
Be provided with notch (306), the upper swingle (307) on upper notch (306) is arranged with upper pressure wheel (308), upper outer rim (303) with
Vertical range between upper swingle (307) central axis is less than the radius of upper pressure wheel (308), is set on rear side of upper moving body (302)
The first projection (309) is equipped with, the second projection (310) is provided with front side of upper wedge (301)；Under the lower pushing block component (4)
Moving body (402) side is provided with downslide lever (404), and downslide lever (404) one end is provided with lower block (405), under described
Sliding bar (404) is arranged in lower slider hole (212), and lower notch (406), lower notch are provided with the upside of lower moving body (402)
(406) lower pressure wheel (408) is arranged with the lower swingle (407) on, hanging down between lower outer rim (403) and lower swingle (407)
Straight distance is less than the radius of lower pressure wheel (408), is provided with poke rod (411) on the downside of lower moving body (402), poke rod (411) is set
Put in long waist shaped sliding eye (111)；The corner of the arc support plate (501) for vertically moving board component (5) is provided with cunning
Dynamic hole (503), sliding eye (503) are set on support bar (110), and thin plate (502) is provided with front side of arc support plate (501),
Support spring (10) is arranged between arc support plate (501) trailing flank and outer support block (109) medial surface；The middle pole
(106) breast wheel (6) is arranged with, driving wheel (7) is arranged with the main strut (113), the quantity of driving wheel (7) is two
It is individual, be connected with the first left pull rope between one of driving wheel (7) and the first projection (309), one of driving wheel (7) with
The first right pull rope is connected between second projection (310), is connected between another driving wheel (7) and the 3rd projection (409)
Second left pull rope, the second right pull rope is connected between another driving wheel (7) and the 4th projection (410)；First right traction
Rope is around the breast wheel (6) on the left of upper ledge (102), and the second right pull rope is around the breast wheel (6) on the left of lower frame (104)；It is described
It is connected between driving wheel (7) and the output shaft of motor (8) by transmission belt (9).
A kind of 2. mobile seamless blackboard as claimed in claim 1, it is characterised in that：The inner support block (108) and outer support
Block (109) position is relative；The long waist shaped sliding eye (111) is located at inner support block (108) on one side；The width of the slide carriage (202)
Degree is equal with rear bearing sheet (201) width, the leading flank of the slide carriage (202) and the leading flank flush of housing (1), described thin
Plate (502) is equal with arc support plate (501) width, and the width and thin plate (502) width of the slide carriage (202) are inside casing
(101) height of the half of length, slide carriage (202) and thin plate (502) is highly equal with inside casing (101).
A kind of 3. mobile seamless blackboard as claimed in claim 1, it is characterised in that：In the middle part of rear bearing sheet (201) rear
Rear end is provided with rear projection (213), rotation pinch roller (215) is provided with the rotary shaft (214) of rear projection (213).
A kind of 4. mobile seamless blackboard as claimed in claim 1, it is characterised in that：First support shaft (203) and the 3rd
Slider roller (211) groove in support shaft (205) is in contact with the stop bit raised line (1051) of upper hopper chute (103) upper side, the
Slider roller (211) groove and the stop bit of upper hopper chute (103) downside in two support shafts (204) and the 4th support shaft (206)
Raised line (1051) is in contact, slider roller (211) groove and gliding groove of the 5th support shaft (207) and the 7th support shaft (209)
(105) the stop bit raised line (1051) of downside is in contact, the slip rolling of the 6th support shaft (208) and the 8th support shaft (210)
Wheel (211) groove is in contact with the stop bit raised line (1051) of the upper side of gliding groove (105).
A kind of 5. mobile seamless blackboard as claimed in claim 1, it is characterised in that：The quantity of the upper sliding bar (304) is extremely
It is 2 less, upper sliding bar (304) forms with upper sliding eye (216) and is slidably matched；The quantity of the downslide lever (404) is at least
For 2, downslide lever (404) is formed with lower slider hole (212) and is slidably matched.
A kind of 6. mobile seamless blackboard as claimed in claim 1, it is characterised in that：Poke rod (411) lower surface is higher by
Housing (1) downside 5-10mm；Voice device (115) is provided at both ends with front side of the housing (1), is also set up on front side of housing (1)
There is control device (116).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710466172.1A CN107344466A (en) | 2017-06-19 | 2017-06-19 | The mobile seamless blackboard of one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710466172.1A CN107344466A (en) | 2017-06-19 | 2017-06-19 | The mobile seamless blackboard of one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107344466A true CN107344466A (en) | 2017-11-14 |
Family
ID=60253296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710466172.1A Pending CN107344466A (en) | 2017-06-19 | 2017-06-19 | The mobile seamless blackboard of one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107344466A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845159A (en) * | 2020-08-03 | 2020-10-30 | 武汉亿维登科技发展有限公司 | Blackboard for physical teaching |
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Application publication date: 20171114 |
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