CN207955112U - A kind of seamless blackboard of movement - Google Patents

Abstract

The utility model discloses a kind of seamless blackboards of movement, including outline border, slide carriage component, upper pushing block component, lower pushing block component, vertically move board group part, breast wheel, driving wheel, motor, transmission belt and support spring, the outline border is internally provided with inside casing, the upper ledge of outline border is internally provided with upper hopper chute, the lower frame of outline border is internally provided with gliding groove, stop bit raised line is both provided on the top and bottom of the upper hopper chute and gliding groove, it is provided with middle strut on the upper ledge and lower frame left end side wall, it is provided with main strut on upper ledge and lower frame right end sidewalls, 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, it is connected with supporting rod between inner support block and outer support block；The utility model can be such that two pieces of blackboard seams reduce, and take a fancy to more beautiful harmony, chalk dust is avoided to fall into inside casing, service life is long, simple in structure, easy to use.

Description

A kind of seamless blackboard of movement

【Technical field】

The utility model is related to the technical field of blackboard, the technical field of especially seamless blackboard.

【Background technology】

It is required to use blackboard explain etc. in school and large enterprise now, allowing for blackboard etc. in this way makes With very extensively, there are some polylith blackboards in present school, 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, shortens and uses blackboard service life, influences simultaneously The aesthetics that writing is allows spectators to seem and generates strong division sense；For such defect, it is necessary to existing polylith Blackboard is improved.

【Utility model content】

The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of seamless blackboard of movement, can make Two pieces of blackboard seams reduce, and take a fancy to more beautiful harmony, chalk dust is avoided to fall into inside casing, service life is long, simple in structure, makes With conveniently.

To achieve the above object, the utility model proposes a kind of seamless blackboard of movement, including outline border, slide carriage component, on Pushing block component, lower pushing block component vertically move board group part, breast wheel, driving wheel, motor, transmission belt and support spring, described outer Frame is internally provided with inside casing, and the upper ledge of outline border is internally provided with upper hopper chute, and the lower frame of outline border is internally provided with gliding groove, it is described on It is both provided with stop bit raised line on the top and bottom of sliding slot and gliding groove, middle strut is provided on the upper ledge and lower frame left end side wall, Main strut, the left-half setting of the lower frame plate of the lower frame and the upper deckle board of upper ledge are provided on upper ledge and lower frame right end sidewalls There are inner support block and outer support block, supporting rod is connected between inner support block and outer support block, length is provided in the lower frame plate Kidney-shaped sliding eye；Slide carriage is provided on the rear bearing sheet of the slide carriage component, rear bearing sheet front side top is disposed with first Support shaft, the second support shaft, third support shaft and the 4th support shaft, rear bearing sheet front side lower section are disposed with the 5th support Axis, the 6th support shaft, the 7th support shaft and the 8th support shaft, first support shaft, the second support shaft, third support shaft, Slider roller, sliding rolling are arranged in four support shafts, the 5th support shaft, the 6th support shaft, the 7th support shaft and the 8th support shaft It is arranged on wheel excircle fluted；Rear bearing sheet lower front end is provided with lower slider hole, and front end is provided with above rear bearing sheet Sliding eye；The slider roller of the slide carriage component is arranged in upper hopper chute and gliding groove；The upper moving body of the upper pushing block component Side is provided with sliding bar, and upper sliding bar one end is provided with upper stopper, and the upper sliding bar is arranged in upper sliding eye, moves up Kinetoplast front end is provided with wedge block, and upper moving body lower face is provided with notch, and the upper swingle on upper notch is arranged with Pinch roller, the vertical range between upper outer rim and upper swingle central axis are less than the radius of upper pressure wheel, are arranged on rear side of upper moving body There is the first pillar, the second pillar is provided on front side of upper wedge block；The lower moving body side of the lower pushing block component is provided with downslide Lever, downslide lever one end are provided with lower stopper, and the downslide lever is arranged in lower slider hole, is provided on the upside of lower moving body Lower notch is arranged with lower pressure wheel on the lower swingle on lower notch, under the vertical range between lower outer rim and lower swingle is less than The radius of pinch roller, lower moving body downside are provided with poke rod, and poke rod is arranged in long waist shaped sliding eye；It is described to vertically move plate The quadrangle of the arc support plate of component is provided with sliding eye, and sliding eye is set on supporting rod, is provided on front side of arc support plate Thin plate is arranged with support spring between arc support plate trailing flank and outer support block medial surface；In being arranged on the middle strut Between take turns, be arranged with driving wheel on the main strut, the quantity of driving wheel is two, between one of driving wheel and the first pillar It is connected with the first left traction rope, the first right traction rope is connected between one of driving wheel and the second pillar, another is actively It is connected with the second left traction rope between wheel and third pillar, the second right traction is connected between another driving wheel and the 4th pillar Rope；First right traction rope is around the breast wheel on the left of upper ledge, and the second right traction rope is around the breast wheel on the left of lower frame；The active By being driven band connection between wheel and the output shaft of motor.

Preferably, the inner support block and outer support block position are opposite；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 outline border, 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 equal with inside casing height.

Preferably, being provided with rear convex block with rear end in the middle part of the rear bearing sheet rear, it is arranged in the rotary shaft of rear convex block There is rotation pinch roller.

Preferably, slider roller groove in first support shaft and third support shaft and upper hopper chute upper side only Position raised line is in contact, the stop bit raised line phase of the slider roller groove in the second support shaft and the 4th support shaft and upper hopper chute downside Contact, the 5th support shaft and the slider roller groove of the 7th support shaft and the stop bit raised line of the downside of gliding groove are in contact, 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 slidably matched with the formation of upper sliding eye； 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 face is higher by outline border downside 5-10mm；The poke rod lower face is higher by outer Frame downside 5-10mm；It is provided at both ends with voice device on front side of the outline border, control device is additionally provided on front side of outline border.

The beneficial effects of the utility model：The utility model is by rolling the sliding in the first support shaft and third support shaft Wheel groove be in contact with the stop bit raised line of upper hopper chute upper side, the slider roller groove in the second support shaft and the 4th support shaft and The stop bit raised line of upper hopper chute downside is in contact, under the slider roller groove and gliding groove of the 5th support shaft and the 7th support shaft The stop bit raised line of side is in contact, and the upper side of the slider roller groove and gliding groove of the 6th support shaft and the 8th support shaft stops Position raised line is in contact so that slide carriage component slides reliably in outline border, and movement is smooth；It is provided with poke rod on the downside of lower moving body, Poke rod is arranged in long waist shaped sliding eye, and poke rod lower face is higher by outline border downside 5-10mm so that poke rod can be square Just it is moved in long waist shaped sliding eye so that blackboard is the same in the case of out of power can normal use；It is provided with breast wheel and active Wheel, is connected with left traction rope and right traction rope so that upper pushing block component and lower pushing block component conveniently moving, to facilitate slide carriage group Part preferably moves left and right, and is provided with rear convex block, rotation pinch roller is provided in the rotary shaft of rear convex block so that slide carriage component moves To when vertically moving in front of board group part, it can uniformly push down and vertically move board group part, support spring uniform force effectively prevent tying Structure knockdown；The utility model is simple in structure, easy to use, reliable operation.

The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.

【Description of the drawings】

Fig. 1 is a kind of dimensional structure diagram moving seamless blackboard of the utility model；

Fig. 2 is a kind of another structural schematic diagram moving seamless blackboard of the utility model；

Fig. 3 is a kind of exploded perspective schematic diagram moving seamless blackboard of the utility model；

Fig. 4 is a kind of outline border dimensional structure diagram moving seamless blackboard of the utility model；

Fig. 5 is a kind of outline border solid partial structural diagram moving seamless blackboard of the utility model；

Fig. 6 is a kind of three-dimensional another partial structural diagram of outline border moving seamless blackboard of the utility model；

Fig. 7 is a kind of another dimensional structure diagram of the outline border moving seamless blackboard of the utility model；

Fig. 8 is a kind of outline border diagrammatic cross-section moving seamless blackboard of the utility model；

Fig. 9 is a kind of outline border section partial schematic diagram moving seamless blackboard of the utility model；

Figure 10 is a kind of slide carriage component dimensional structure diagram moving seamless blackboard of the utility model；

Figure 11 is a kind of slide carriage component solid partial structural diagram moving seamless blackboard of the utility model；

Figure 12 is a kind of another dimensional structure diagram of slide carriage component moving seamless blackboard of the utility model；

Figure 13 is a kind of upper pushing block component dimensional structure diagram moving seamless blackboard of the utility model；

Figure 14 is a kind of upper another dimensional structure diagram of pushing block component moving seamless blackboard of the utility model；

Figure 15 is a kind of lower pushing block component dimensional structure diagram moving seamless blackboard of the utility model；

Figure 16 is a kind of lower another dimensional structure diagram of pushing block component moving seamless blackboard of the utility model；

Figure 17 be the utility model it is a kind of move seamless blackboard vertically move board group part dimensional structure diagram.

In figure：1- outline borders, 101- inside casings, 102- upper ledges, 103- upper hopper chutes, 104- lower frames, 105- gliding grooves, 1051- stop Strut, 107- lower frame plates, 108- inner support blocks, 109- outer supports block, 110- supporting rods, 111- long waist shapeds in position raised line, 106- Sliding eye, 112- fixed plates supporting block, 113- main struts, the upper deckle boards of 114-, 115- voice devices, 116- control devices, 2- are slipped Board group part, 201- rear bearing sheets, 202- slide carriages, the first support shafts of 203-, the second support shafts of 204-, 205- thirds support shaft, The 4th support shafts of 206-, the 5th support shafts of 207-, the 6th support shafts of 208-, the 7th support shafts of 209-, the 8th support shafts of 210-, Convex block, 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 wedge blocks 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 first pillars of 309-, the second pillars of 310-, 4- under pushing block component, 401- It is rotated under notch, 407- under outer rim, 404- downslides lever, 405- lower stoppers, 406- under moving body, 403- under wedge block, 402- Bar, 408- lower pressure wheels, 409- thirds pillar, the 4th pillars of 410-, 411- poke rods, 5- vertically move board group part, 501- arch Support plate, 502- thin plates, 503- sliding eyes, 6- breast wheels, 7- driving wheels, 8- motors, 9- transmission belts, 10- support springs, 11- Fixed plate.

【Specific implementation mode】

- Figure 17 refering to fig. 1, a kind of movement of the utility model is seamless blackboard, including outline border 1, slide carriage component 2, upper pushing block group Part 3, vertically moves board group part 5, breast wheel 6, driving wheel 7, motor 8, transmission belt 9 and support spring 10, institute at lower pushing block component 4 It states outline border 1 and is internally provided with inside casing 101, the upper ledge 102 of outline border 1 is internally provided with upper hopper chute 103, inside the lower frame 104 of outline border 1 Be provided with gliding groove 105, the upper hopper chute 103 be both provided with stop bit raised line 1051 on the top and bottom of gliding groove 105, it is described on It is provided with middle strut 106 on frame 102 and 104 left end side wall of lower frame, main branch is provided on upper ledge 102 and 104 right end sidewalls of lower frame Bar 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 be provided with inner support block 108 and Outer support block 109 is connected with supporting rod 110, is provided in the lower frame plate 107 between inner support block 108 and outer support block 109 Long waist shaped sliding eye 111；Slide carriage 202,201 front side top of rear bearing sheet are provided on the rear bearing sheet 201 of the slide carriage component 2 It is disposed with the first support shaft 203, the second support shaft 204, third support shaft 205 and the 4th support shaft 206, rear bearing sheet 201 front sides lower section are disposed with the 5th support shaft 207, the 6th support shaft 208, the 7th support shaft 209 and the 8th support shaft 210, first support shaft 203, the second support shaft 204, third support shaft 205, the 4th support shaft 206, the 5th support shaft 207, slider roller 211, slider roller 211 are arranged in the 6th support shaft 208, the 7th support shaft 209 and the 8th support shaft 210 It is arranged on excircle fluted；201 lower front end of rear bearing sheet is provided with lower slider hole 212, and 201 top front end of rear bearing sheet is set It is equipped with sliding eye 216；The slider roller 211 of the slide carriage component 2 is arranged in upper hopper chute 103 and gliding groove 105；On described 302 side of upper moving body of pushing block component 3 is provided with sliding bar 304, and 304 one end of upper sliding bar is provided with upper stopper 305, institute It states sliding bar 304 to be arranged in upper sliding eye 216,302 front end of upper moving body is provided with wedge block 301, upper moving body 302 Lower face is provided with notch 306, and the upper swingle 307 on upper notch 306 is arranged with upper pressure wheel 308, upper outer rim 303 and upper rotation Vertical range between 307 central axis of bull stick is less than the radius of upper pressure wheel 308, and it is convex that 302 rear side of upper moving body is provided with first Column 309,301 front side of upper wedge block are provided with the second pillar 310；402 side of lower moving body of the lower pushing block component 4 is provided with Downslide lever 404,404 one end of downslide lever are provided with lower stopper 405, and the downslide lever 404 is arranged in lower slider hole 212 Interior, 402 upside of lower moving body is provided with lower notch 406, and lower pressure wheel 408 is arranged on the lower swingle 407 on lower notch 406, Vertical range between lower outer rim 403 and lower swingle 407 is less than the radius of lower pressure wheel 408, and 402 downside of lower moving body is provided with Poke rod 411, poke rod 411 are arranged in long waist shaped sliding eye 111；The arc support plate 501 for vertically moving board group part 5 Quadrangle be provided with sliding eye 503, sliding eye 503 is set on supporting rod 110, and the front side of arc support plate 501 is provided with thin plate 502, support spring 10 is arranged between 109 medial surface of 501 trailing flank of arc support plate and outer support block；The middle strut 106 On be arranged with breast wheel 6, be arranged with driving wheel 7 on the main strut 113, the quantity of driving wheel 7 is two, it is one of actively It is connected with the first left traction rope between wheel 7 and the first pillar 309, is connected between one of driving wheel 7 and the second pillar 310 First right traction rope is connected with the second left traction rope between another driving wheel 7 and third pillar 409, another driving wheel 7 with The second right traction rope is connected between 4th pillar 410；For first right traction rope around the breast wheel 6 in 102 left side of upper ledge, second is right Traction rope is around the breast wheel 6 on the left of lower frame 104；It is connected by transmission belt 9 between the driving wheel 7 and the output shaft of motor 8； The inner support block 108 is opposite with 109 position of outer support block；The long waist shaped sliding eye 111 is located at inner support block 108 on one side； The width of the slide carriage 202 is equal with 201 width of rear bearing sheet, and the leading flank of the slide carriage 202 is equal with the leading flank of outline border 1 Together, the thin plate 502 is equal with 501 width of arc support plate, and the width and 502 width of thin plate of the slide carriage 202 are inside casing The height of the half of 101 length, slide carriage 202 and thin plate 502 is equal with 101 height of inside casing；In 201 rear of the rear bearing sheet Portion and rear end are provided with rear convex block 213, and rotation pinch roller 215 is provided in the rotary shaft 214 of rear convex block 213；First support 211 groove of slider roller on axis 203 and third support shaft 205 is in contact with the stop bit raised line 1051 of 103 upper side of upper hopper chute, The stop bit raised line of 211 groove of slider roller and 103 downside of upper hopper chute in second support shaft 204 and the 4th support shaft 206 1051 are in contact, 211 groove of slider roller of the 5th support shaft 207 and the 7th support shaft 209 and the downside of gliding groove 105 Stop bit raised line 1051 is in contact, 211 groove of slider roller and the gliding groove 105 of the 6th support shaft 208 and the 8th support shaft 210 The stop bit raised line 1051 of upper side is in contact；The quantity of the upper sliding bar 304 is at least 2, upper sliding bar 304 and upper sliding Hole 216 forms and is slidably matched；The quantity of the downslide lever 404 is at least 2, and downslide lever 404 is formed with lower slider hole 212 It is slidably matched；411 lower face of the poke rod is higher by 1 downside 5-10mm of outline border；1 front side of the outline border is provided at both ends with voice Device 115,1 front side of outline border are additionally provided with control device 116.

Utility model works process：

A kind of movement of the utility model is seamless blackboard during the work time, in the case where there is power supply, opens control device 116 switch, motor 8 rotate, and to drive driving wheel 7 to rotate, driving wheel 7 is by breast wheel 6 so that the curling of right traction rope is received Contracting, left traction rope elongation so that upper pushing block component 3 and lower pushing block component 4 are respectively in corresponding upper sliding eye 216 and lower slider Sliding in hole 212, until upper pushing block component 3 cannot slide and lower pushing block component 4 cannot be in lower slider hole in upper sliding eye 216 Sliding in 212, at this point, upper wedge block 301 is moved on front side of 501 upper end of arc support plate, lower wedge block 401 is moved to arch branch On front side of 501 lower end of fagging so that 502 upper surface of thin plate is located on rear side of rear bearing sheet 201, and support spring 10 is compressed, motor 8 after Continuous rotation, 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 and rotation pinch roller 215 in 502 surface scrolls of thin plate, vertically move the front of board group part 5 until 2 component of slide carriage is located at, electricity 8 resistance of machine increases to setting and limits, motor stalls, and at this moment user can be write using fixed plate 11, can also incite somebody to action Fixed plate 11 repacks fixed frame into, in liquid crystal display device installed above etc. equipment.When needing slide carriage component 2 restoring original Position, motor 8 rotate 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 Then not slidable position pulls slide carriage component 2 to move jointly, to realize that slide carriage component 2 returns, until slide carriage component 2 Side arrives to 101 side wall of inside casing, and 8 resistance of motor reaches setting limitation, and motor 8 stops operating, and support spring 10 restores deformation, makes Board group part 5 must be vertically moved to pop up forward so that 502 leading flank of thin plate and 1 lateral wall flush of outline border vertically move board group part 5 with 2 front side surface flush of slide carriage component, adjacent seam formed it is smaller, aesthetics is preferable；When there is no power supply, people is only needed Work stirs poke rod 411 so that poke rod 411 is moved in long waist shaped sliding eye 111, and moving process and motor 8 drive process phase Unanimously, when return, it is only necessary to stir poke rod 411 and be returned in long waist shaped sliding eye 111.

The utility model is by by 211 groove of slider roller and the upper cunning in the first support shaft 203 and third support shaft 205 The stop bit raised line 1051 of 103 upper side of slot is in contact, and the slider roller 211 in the second support shaft 204 and the 4th support shaft 206 is recessed Slot is in contact with the stop bit raised line 1051 of 103 downside of upper hopper chute, the sliding rolling of the 5th support shaft 207 and the 7th support shaft 209 It takes turns 211 grooves to be 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 210 211 groove of slider roller be 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 outline border 1 Interior sliding is reliable, and movement is smooth；402 downside of lower moving body is provided with poke rod 411, and the setting of poke rod 411 is slided in long waist shaped In hole 111,411 lower face of poke rod is higher by 1 downside 5-10mm of outline border so that poke rod 411 can facilitate to be slided in long waist shaped It moves in dynamic hole 111 so that blackboard is the same in the case of out of power can normal use；It is provided with breast wheel 6 and driving wheel 7, is connected There are left traction rope and right traction rope so that upper pushing block component 3 and lower 4 conveniently moving of pushing block component, to facilitate slide carriage component 2 more Good moves left and right, and is provided with rear convex block 213, rotation pinch roller 215 is provided in the rotary shaft 214 of rear convex block 213 so that slide carriage Component 2 is moved to when vertically moving board group 5 front of part, can uniformly be pushed down and be vertically moved board group part 5,10 stress of support spring is equal It is even, it effectively prevent structure knockdown；The utility model is simple in structure, easy to use, reliable operation.

Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality Scheme after type simple transformation belongs to the scope of protection of the utility model.

Claims (6)

1. a kind of seamless blackboard of movement, it is characterised in that：Including outline border (1), slide carriage component (2), upper pushing block component (3), under push away Block assembly (4) vertically moves board group part (5), breast wheel (6), driving wheel (7), motor (8), transmission belt (9) and support spring (10), the outline border (1) is internally provided with inside casing (101), and the upper ledge (102) of outline border (1) is internally provided with upper hopper chute (103), The lower frame (104) of outline border (1) is internally provided with gliding groove (105), the top and bottom of the upper hopper chute (103) and gliding groove (105) On be both provided with stop bit raised line (1051), be provided with middle strut (106) on the upper ledge (102) and 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) it is connected with supporting rod (110) between outer support block (109), long waist shaped sliding eye is provided on 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), third support shaft (205) and the 4th support shaft (206), it is rear to prop up 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), third support shaft (205), the 4th support It is covered in axis (206), the 5th support shaft (207), the 6th support shaft (208), the 7th support shaft (209) and the 8th support shaft (210) Equipped with slider roller (211), it is arranged 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 sliding of the slide carriage component (2) Idler wheel (211) setting is 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 It sets in upper sliding eye (216), upper moving body (302) front end is provided with wedge block (301), upper moving body (302) lower face 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) It is equipped with the first pillar (309), the second pillar (310) is provided on front side of upper wedge block (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 stopper (405), under described Sliding bar (404) setting is provided with lower notch (406), lower notch in lower slider hole (212) on the upside of lower moving body (402) (406) lower pressure wheel (408) is arranged on 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 It sets in long waist shaped sliding eye (111)；The quadrangle of the arc support plate (501) for vertically moving board group part (5) is provided with cunning Dynamic hole (503), sliding eye (503) are set on supporting rod (110), and thin plate (502) is provided on front side of arc support plate (501), It is arranged with support spring (10) between arc support plate (501) trailing flank and outer support block (109) medial surface；The middle strut (106) it is arranged with breast wheel (6) on, driving wheel (7) is arranged on the main strut (113), the quantity of driving wheel (7) is two It is a, be connected with the first left traction rope between one of driving wheel (7) and the first pillar (309), one of driving wheel (7) with It is connected with the first right traction rope between second pillar (310), is connected between another driving wheel (7) and third pillar (409) Second left traction rope is connected with the second right traction rope between another driving wheel (7) and the 4th pillar (410)；First right traction Rope is around the breast wheel (6) on the left of upper ledge (102), and the second right traction rope is around the breast wheel (6) on the left of lower frame (104)；It is described It is connect by transmission belt (9) between driving wheel (7) and the output shaft of motor (8).

2. a kind of seamless blackboard of movement as described in claim 1, it is characterised in that：The inner support block (108) and outer support Block (109) position is opposite；The long waist shaped sliding eye (111) is located at inner support block (108) on one side；The width of the slide carriage (202) , the leading flank flush of the leading flank and outline border (1) of the slide carriage (202) equal with rear bearing sheet (201) width is spent, it is 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 equal with inside casing (101) height.

3. a kind of seamless blackboard of movement as described in claim 1, it is characterised in that：In the middle part of rear bearing sheet (201) rear Rear end is provided with rear convex block (213), rotation pinch roller (215) is provided in the rotary shaft (214) of rear convex block (213).

4. a kind of seamless blackboard of movement as described in claim 1, it is characterised in that：First support shaft (203) and third 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 The stop bit of slider roller (211) groove and 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 sliding 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).

5. a kind of seamless blackboard of movement as described 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) is slidably matched with upper sliding eye (216) formation；The quantity of the downslide lever (404) is at least It it is 2, downslide lever (404) is formed with lower slider hole (212) and is slidably matched.

6. a kind of seamless blackboard of movement as described in claim 1, it is characterised in that：Poke rod (411) lower face is higher by Outline border (1) downside 5-10mm；It is provided at both ends with voice device (115) on front side of the outline border (1), is also set up on front side of outline border (1) There is control device (116).