CN103950320A - Rolling type white board - Google Patents
Rolling type white board Download PDFInfo
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- CN103950320A CN103950320A CN201410191964.9A CN201410191964A CN103950320A CN 103950320 A CN103950320 A CN 103950320A CN 201410191964 A CN201410191964 A CN 201410191964A CN 103950320 A CN103950320 A CN 103950320A
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Abstract
The invention discloses a rolling type white board and belongs to the field of teaching appliances. The rolling type white board comprises the main parts of a rectangular frame, a curtain, an upper rotating roller regulating mechanism, a lower rotating roller drive mechanism, an eraser roller fixing mechanism, an eraser roller drive mechanism, a power switch, a dial-off switch, and a power box. The rolling type white board is simple in structure, convenient in disassembly and assembly, and compact in overall structure, the curtain can circularly rotate and can wipe automatically, so that the labor intensity is reduced, and the teaching environment is improved.
Description
Technical field
The present invention relates to a kind of teaching aid, more particularly, relate to a kind of rolling type white board.
Background technology
The blackboard of existing teaching use is wooden or the blackboard made of the material such as frosted glass or iron porcelain, its main drawback is: 1, when wiping due to dust from flying, severe contamination teaching environment, Long Term Contact chalk dust can produce harmful effect to teachers and students' health, simultaneously user, in the time that the leg biceps curl arm of remembering is faced upward head and up write, also easily eats chalk dust; 2, conventional blackboard is hard-wired, easily the not high user of height is brought inconvenience in use, make to write bothersome, simultaneously in order not waste the usable floor area of blackboard, all bothersome comparatively painstakingly while writing bottom blackboard top and blackboard; 3, existing blackboard is because being subject to limitation in height, and teacher has blocked the segment word content on blackboard when movable at dais, is an impediment to the observation of student's knowledge hand brain, affects results of learning; 4, blackboard with chalk write and the wiping of hand-power in, plate face is easily damaged aging, cause fade, reflective, writing is unclear, brings infringement to student eyesight; 5, to write literal comparatively limited for blackboard; 6, in the time carrying out slide show teaching, must hang up separately screen, very inconvenient.
Therefore, this area is easy to use in the urgent need to one, is applicable to the user of different heights, there is no blackboard or the blank of chalk dust.
Summary of the invention
1. the technical problem that invention will solve
The object of the invention is to overcome above-mentioned deficiency, a kind of rolling type white board is provided, adopt technical scheme of the present invention, simple in structure, easy accessibility, compact overall structure, curtain can cycle rotation, and energy automatic erasing, has reduced labour intensity, has improved teaching environment.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of rolling type white board of the present invention, comprise rectangular-shaped framework, curtain, upper live-rollers governor motion, lower live-rollers driving mechanism, blackboard eraser roller fixed mechanism and blackboard eraser roller driving mechanism, described framework comprises right column, left column, sill and entablature, and the top of described framework is provided with live-rollers; The two ends of described upper live-rollers are connected with right column, left column respectively by upper live-rollers governor motion; Described framework is provided with lower live-rollers, and this lower live-rollers is positioned at sill below; The right-hand member of described lower live-rollers successively through bearing block with bearing with after right column, be connected with lower live-rollers driving mechanism; The left end of described lower live-rollers successively through bearing block with bearing with after left column, be connected with blackboard eraser roller driving mechanism; Above-mentioned upper live-rollers and lower live-rollers are parallel to each other, and are connected in conveyer belt mode by the curtain of closed hoop between upper live-rollers and lower live-rollers; The below of described framework is provided with the blackboard eraser roller being moved left and right by blackboard eraser roller driving mechanisms control; Described blackboard eraser roller compresses and contacts with above-mentioned curtain; The two ends of described blackboard eraser roller are connected with right column, left column respectively by blackboard eraser roller fixed mechanism.
Further, described upper live-rollers governor motion comprises bearing block mount pad and adjusting bolt; The right side of described right column and the left side of left column are all fixed with fixed mounting; Described adjusting bolt is connected with bearing block mount pad through after fixed mounting; On described bearing block mount pad, be fixed with the bearing block with bearing, this bearing block with bearing is set in respectively the two ends of above-mentioned upper live-rollers.
Further, described lower live-rollers driving mechanism comprises and is fixedly mounted on motor, shaft coupling, the driving wheel of sill upper surface, the driven pulley that is set in lower live-rollers right-hand member, the first rotating shaft and Timing Belt, the output shaft of described motor is connected with one end of the first rotating shaft by shaft coupling, and the other end of this first rotating shaft is connected with driving wheel through after right column; Between described driving wheel and driven pulley, be connected by Timing Belt.
Further, described blackboard eraser roller driving mechanism comprise be set in lower live-rollers left end the first bevel gear, the second rotating shaft, be set in the second bevel gear, connecting rod, slide block in the second rotating shaft, the axis of the first described bevel gear is mutually vertical with the axis of the second bevel gear, and the second bevel gear is meshed with the first bevel gear; The upper end of the second described rotating shaft is fixedly mounted on left column by the bearing block with bearing, and the upper end of the second rotating shaft is arranged with two bearing blocks; The lower end of the second described rotating shaft is installed with crankwheel; One end bias of described crankwheel and connecting rod is hinged; The other end of described connecting rod is hinged on slide block, and this slide block is connected mutually with above-mentioned blackboard eraser roller.
Further, described blackboard eraser roller fixed mechanism comprises linear bearing mount pad, adjusting rod and adjustment screw, and the two ends of described blackboard eraser roller are all arranged with linear bearing; Described linear bearing is arranged in the first installing hole of linear bearing mount pad; On described linear bearing mount pad, offer the second installing hole, the axis of this second installing hole is mutually vertical with the axis of the first installing hole; The trailing flank of described right column and the trailing flank of left column are all fixed with fixed block; Described adjusting rod passes the second installing hole and is connected with adjustment screw after fixed block.
Further, also comprise power supply box, for controlling the cutting-off switch of motor switch and for controlling the power switch of power supply box, described power switch is connected with power supply box; Described power supply box and cutting-off switch; Described cutting-off switch is connected with motor.
Further, the blackboard eraser of described blackboard eraser roller is 1/4th circular arc.
Further, on described sill and entablature, be all symmetrical arranged and be useful on the limited post that prevents curtain left and right sideslip.
Further, front liner plate and the rear lining plate on the front and back frame face that is fixedly mounted on framework is close at the back side of described curtain writing surface; Above-mentioned power switch and cutting-off switch are installed on front liner plate.
Further, the back side of described curtain writing surface is frosting.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) a kind of rolling type white board of the present invention, it comprises live-rollers governor motion, lower live-rollers driving mechanism, blackboard eraser roller fixed mechanism and blackboard eraser roller driving mechanism, simple in structure, easy accessibility, compact overall structure;
(2) a kind of rolling type white board of the present invention, it comprises live-rollers governor motion, the right side of right column and the left side of left column are all fixed with fixed mounting, adjusting bolt is connected with bearing block mount pad through after fixed mounting, on bearing block mount pad, be fixed with the bearing block with bearing, this bearing block with bearing is set in respectively the two ends of above-mentioned upper live-rollers, connect compact, easy accessibility, by adjusting bolt to bearing block mount pad up-down adjustment, the upper live-rollers that drive is arranged on bearing block moves up and down, and then the object of the degree of tightness of curtain is adjusted in realization,
(3) a kind of rolling type white board of the present invention, it comprises lower live-rollers driving machine, the output shaft of motor is connected with one end of the first rotating shaft by shaft coupling, the other end of this first rotating shaft is connected with driving wheel through after right column, driving wheel is connected by Timing Belt with being set between the driven pulley of lower live-rollers right-hand member, connect compact, easy accessibility, machine operation drives driving wheel to rotate, and drive the driven pulley being contained on lower live-rollers by Timing Belt, owing to being connected in conveyer belt mode by the curtain of closed hoop between upper live-rollers and lower live-rollers, curtain can circulating rolling,
(4) a kind of rolling type white board of the present invention, it comprises blackboard eraser roller fixed mechanism, blackboard eraser roller and blackboard eraser roller driving mechanism, in blackboard eraser roller driving mechanism, design according to the principle of slider-crank mechanism, connect compact, easy accessibility, lower live-rollers drives the first bevel gear work when rolling, the second bevel gear is meshed with the first bevel gear and drives the second rotating shaft to rotate, the second rotating shaft drives crankwheel to rotate, crankwheel drives Eccentric-hinge to be connected on the connecting rod motion on crankwheel, the side-to-side movement of connecting rod band movable slider, this slide block is connected mutually with the blackboard eraser roller being arranged on framework by blackboard eraser roller fixed mechanism, and then drive blackboard eraser roller to move left and right, realize the object of erasing characters, reduce labour intensity, improve teaching environment,
(5) a kind of rolling type white board of the present invention, it comprises blackboard eraser roller fixed mechanism, the two ends of blackboard eraser roller are all arranged with linear bearing, linear bearing is arranged in the first installing hole of linear bearing mount pad, on linear bearing mount pad, offer the second installing hole, the axis of this second installing hole is mutually vertical with the axis of the first installing hole, the trailing flank of right column and the trailing flank of left column are all fixed with fixed block, adjusting rod passes the second installing hole and is connected with adjustment screw after fixed block, connect compact, easy accessibility, by adjustment screw, adjusting rod is carried out to degree of tightness adjusting, drive the linear bearing mount pad that linear bearing is installed to move up and down, and then drive blackboard eraser roller to move up and down, be convenient to regulate blackboard eraser and curtain tightness,
(6) a kind of rolling type white board of the present invention, it comprises power supply, for controlling the cutting-off switch of motor switch and for controlling the power switch of power switch, power switch is connected with power supply box, power supply box is connected with cutting-off switch, cutting-off switch is connected with motor, realizes automation control, controls as required cutting-off switch and power switch, easy to operate, connect simple;
(7) a kind of rolling type white board of the present invention, the blackboard eraser of its blackboard eraser roller is 1/4th circular arc, has increased the contact area of blackboard eraser and curtain, makes wiping more clean;
(8) a kind of rolling type white board of the present invention, is all symmetrical arranged on its sill and entablature and is useful on the limited post that prevents curtain left and right sideslip, and restriction curtain sideslip in the time rolling, guarantees to use normal;
(9) a kind of rolling type white board of the present invention, front liner plate and the rear lining plate on the front and back frame face that is fixedly mounted on framework is close at the back side of its curtain writing surface, conveniently writes;
(10) a kind of rolling type white board of the present invention, the back side of its curtain writing surface is frosting, increases frictional force, skids preventing on upper live-rollers and lower live-rollers.
Brief description of the drawings
Fig. 1 is the perspective view of a kind of rolling type white board of the present invention;
Fig. 2 is the side view of a kind of rolling type white board of the present invention;
Fig. 3 is the structural representation of upper live-rollers governor motion in the present invention;
Fig. 4 is the structural representation of lower live-rollers driving mechanism in the present invention;
Fig. 5 is the structural representation of blackboard eraser roller driving mechanism in the present invention;
Fig. 6 is the schematic diagram that in the present invention, in blackboard eraser roller driving mechanism, crankwheel is connected with slide block;
Fig. 7 is the structural representation of blackboard eraser roller fixed mechanism in the present invention.
Label declaration in schematic diagram: 1, framework; 2, upper live-rollers; 3, lower live-rollers; 4, blackboard eraser roller; 401, blackboard eraser; 5, curtain; 601, bearing block; 602, bearing block mount pad; 603, fixed mounting; 604, adjusting bolt; 701, motor; 702, shaft coupling; 703, driving wheel; 704, driven pulley; 705, the first rotating shaft; 706, Timing Belt; 801, the first bevel gear; 802, the second bevel gear; 803, the second rotating shaft; 804, crankwheel; 805, connecting rod; 806, slide block; 901, linear bearing; 902, linear bearing mount pad; 903, fixed block; 904, adjusting rod; 905, adjustment screw; 10, front liner plate; 11, rear lining plate; 12, limited post; 13, power switch; 14, cutting-off switch; 15, power supply box.
Detailed description of the invention
For further understanding content of the present invention, the present invention is described in detail by reference to the accompanying drawings.
In conjunction with Fig. 1 and Fig. 2, a kind of rolling type white board of the present invention, can hang over when mounted on wall, also can be arranged in frame, comprise rectangular-shaped framework 1, curtain 5, upper live-rollers governor motion, lower live-rollers driving mechanism, blackboard eraser roller fixed mechanism and blackboard eraser roller driving mechanism, simple in structure, easy accessibility, compact overall structure, framework 1 comprises right column, left column, sill and entablature, the top of framework 1 is provided with live-rollers 2; The two ends of upper live-rollers 2 are connected with right column, left column respectively by upper live-rollers governor motion; Framework 1 is provided with lower live-rollers 3, and this lower live-rollers 3 is positioned at sill below; The right-hand member of lower live-rollers 3 successively through bearing block 601 with bearing with after right column, be connected with lower live-rollers driving mechanism; The left end of lower live-rollers 3 successively through bearing block 601 with bearing with after left column, be connected with blackboard eraser roller driving mechanism; Above-mentioned bearing block 601 is fixedly mounted on sill lower surface; Above-mentioned upper live-rollers 2 and lower live-rollers 3 are parallel to each other, and be connected in conveyer belt mode by the curtain 5 of closed hoop between upper live-rollers 2 and lower live-rollers 3, the back side of these curtain 5 writing surfaces is frosting, increases frictional force, skids preventing on upper live-rollers 2 and lower live-rollers 3; In order to limit curtain 5 sideslip in the time rolling, guarantee to use normally, on sill and entablature, be all symmetrical arranged and be useful on the limited post 12 that prevents curtain 5 left and right sideslips; In addition, write on curtain 5 for convenient, front liner plate 10 and the rear lining plate 11 on the front and back frame face that is fixedly mounted on framework 1 is close at the back side of curtain 5 writing surfaces; The below of framework 1 is provided with the blackboard eraser roller 4 being moved left and right by blackboard eraser roller driving mechanisms control; Blackboard eraser roller 4 compresses and contacts with above-mentioned curtain 5; The two ends of blackboard eraser roller 4 are connected with right column, left column respectively by blackboard eraser roller fixed mechanism; Power switch 13 for controlling power supply box 15 switches is installed and for controlling the cutting-off switch 14 of motor 701 switches on front liner plate 10; Power switch 13 is connected with power supply box 15; Power supply box 15 is connected with cutting-off switch 14; Cutting-off switch 14 is connected with motor 701; In the present embodiment, power supply box 15 is arranged on framework 1, realizes automation control, controls as required cutting-off switch 14 and power switch 13, easy to operate, connects simple; Wherein:
As shown in Figure 3, upper live-rollers governor motion comprises bearing block mount pad 602 and adjusting bolt 604; The right side of right column and the left side of left column are all fixed with fixed mounting 603; Adjusting bolt 604 is passed fixed mounting 603 afterwards and bearing block mount pad 602 is connected; On bearing block mount pad 602, be fixed with the bearing block 601 with bearing, this bearing block 601 with bearing is set in respectively the two ends of above-mentioned upper live-rollers 2; Connect compact, easy accessibility, by adjusting bolt 604 to bearing block mount pad 602 up-down adjustment, the bearing block 601 that drive is arranged on bearing block mount pad 602 moves up and down, and then drive the upper live-rollers 2 that is arranged on the top of framework 1 by bearing block 601 to move up and down, and then realize the object of adjusting curtain 5 degrees of tightness;
As shown in Figure 4, lower live-rollers driving mechanism comprise be fixedly mounted on sill upper surface motor 701, shaft coupling 702, driving wheel 703, be set in driven pulley 704, the first rotating shaft 705 and the Timing Belt 706 of lower live-rollers 3 right-hand members, the output shaft of motor 701 is connected with one end of the first rotating shaft 705 by shaft coupling 702, and the other end of this first rotating shaft 705 is connected with driving wheel 703 through after right column; Between driving wheel 703 and driven pulley 704, be connected by Timing Belt 706, connect compactness, easy accessibility; Controlling motor 701 works, motor 701 drives the driving wheel 703 being attached thereto to rotate, driving wheel 703 drives driven pulley 704 to rotate by Timing Belt 706, driven pulley 704 drives lower live-rollers 3 to rotate, owing to being connected in conveyer belt mode by the curtain 5 of closed hoop between upper live-rollers 2 and lower live-rollers 3, thereby realize the circulating rolling of curtain 5;
As shown in Figure 5 and Figure 6, blackboard eraser roller driving mechanism comprises the first bevel gear 801, the second rotating shaft 803, the second bevel gear 802, connecting rod 805, the slide block 806 that are set in lower live-rollers 3 left ends, the axis of the first bevel gear 801 is mutually vertical with the axis that is set in the second bevel gear 802 in the second rotating shaft 803, and the second bevel gear 802 is meshed with the first bevel gear 801, the upper end of the second rotating shaft 803 is fixedly mounted on left column by the bearing block 601 with bearing, and the upper end of the second rotating shaft 803 is arranged with two bearing blocks 601, the lower end of the second rotating shaft 803 is installed with crankwheel 804, crankwheel 804 is hinged with one end bias of connecting rod 805, the other end of connecting rod 805 is hinged on slide block 806, and this slide block 806 is connected mutually with above-mentioned blackboard eraser roller 4, connects compactness, easy accessibility, above-mentioned lower live-rollers 3 rotates under the effect of lower live-rollers driving mechanism, this lower live-rollers 3 drives the first bevel gear 801 being attached thereto to rotate, because the second bevel gear 802 is meshed with the first bevel gear 801, drive the second bevel gear 802 to rotate, because the second bevel gear 802 is set in the second rotating shaft 803, drive the second rotating shaft 803 to rotate, and then drive the crankwheel 804 that is fixedly mounted on the second rotating shaft 803 lower ends to rotate, and then drive blackboard eraser roller 4 to move left and right by slider-crank mechanism, realize the object of erasing characters, reduce labour intensity, improve teaching environment, the concrete structure of above-mentioned slider-crank mechanism is that crankwheel 804 is hinged with one end bias of connecting rod 805, the other end of connecting rod 805 is hinged on slide block 806, and this slide block 806 is connected mutually with above-mentioned blackboard eraser roller 4,
As shown in Figure 7, blackboard eraser roller fixed mechanism comprises linear bearing mount pad 902, adjusting rod 904 and adjustment screw 905, and the two ends of blackboard eraser roller 4 are all arranged with linear bearing 901; Linear bearing 901 is arranged in the first installing hole of linear bearing mount pad 902; On linear bearing mount pad 902, offer the second installing hole, the axis of this second installing hole is mutually vertical with the axis of the first installing hole; The trailing flank of right column and the trailing flank of left column are all fixed with fixed block 903; Adjusting rod 904 is connected with adjustment screw 905 with after fixed block 903 through the second installing hole; Connect compact, easy accessibility, carries out degree of tightness adjusting by adjustment screw 905 to adjusting rod 904, drives the linear bearing mount pad 902 that linear bearing 901 is installed to move up and down, and then drive blackboard eraser roller 4 to move up and down, regulate blackboard eraser 401 and curtain 5 tightness thereby realize; In order to have increased the contact area of blackboard eraser in blackboard eraser roller 4 401 and curtain 5, make wiping more clean, the blackboard eraser 401 of blackboard eraser roller 4 is 1/4th circular arc.
When use, first turn on the power switch 13, on curtain 5, adopt pigment pen to write, in the time that cutting-off switch 14 is allocated to " rising " gear, curtain 5 rotations raise, and the writing of writing on curtain 5 is raise, student can all can see the written contents on curtain 5 in different angles, curtain 5 reverse side are declining simultaneously, the writing of reverse side has not needed, only curtain 5 reverse side need be continued to decline until the writing on curtain 5 reverse side all to pass through lower live-rollers 3 erasable; In the time that cutting-off switch 14 is allocated to " decline " gear, curtain 5 rotations decline, and the writing of writing on curtain 5 is declined; In addition, when curtain 5 is static, also can be used as magic lantern screen uses.
Use the benefit of a kind of rolling type white board of the present invention: 1, teacher can be all the time with the most applicable oneself, the attitude of the most comfortable, most convenient is carried out writing on the blackboard, has greatly alleviated working strength; 2, the content of writing on the blackboard can drive rising by motor 701 with curtain 5, full the student in classroom can see; 3, the curtain 5 that is positioned at framework 1 back side is in declining, and the sponge in blackboard eraser roller 4 on blackboard eraser 401 is wiped writing, can write for a long time continuously, need not start to wipe blank; 4, on curtain 5, adopt pigment pen to write, and carry out wiping with sponge, to curtain 5 not damageds, can use for a long time, and write while wiping pollution-free without dust; 5, screen when curtain 5 can be used as slide show teaching; 6, the curtain 5 slowly rising, just as caption, is convenient to students ' reading and memory, if do not write down, also can reverse and see.
A kind of rolling type white board of the present invention, simple in structure, easy accessibility, compact overall structure, curtain 5 can cycle rotation, and can automatic erasing, has reduced labour intensity, has improved teaching environment.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the invention aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (10)
1. a rolling type white board, comprise rectangular-shaped framework (1) and curtain (5), described framework (1) comprises right column, left column, sill and entablature, it is characterized in that: also comprise live-rollers governor motion, lower live-rollers driving mechanism, blackboard eraser roller fixed mechanism and blackboard eraser roller driving mechanism, the top of described framework (1) is provided with live-rollers (2); The two ends of described upper live-rollers (2) are connected with right column, left column respectively by upper live-rollers governor motion; Described framework (1) is provided with lower live-rollers (3), and this lower live-rollers (3) is positioned at sill below; The right-hand member of described lower live-rollers (3) successively through bearing block (601) with bearing with after right column, be connected with lower live-rollers driving mechanism; The left end of described lower live-rollers (3) successively through bearing block (601) with bearing with after left column, be connected with blackboard eraser roller driving mechanism; Above-mentioned upper live-rollers (2) and lower live-rollers (3) are parallel to each other, and between upper live-rollers (2) and lower live-rollers (3), the curtain (5) by closed hoop is connected in conveyer belt mode; The below of described framework (1) is provided with the blackboard eraser roller (4) being moved left and right by blackboard eraser roller driving mechanisms control; Described blackboard eraser roller (4) compresses and contacts with above-mentioned curtain (5); The two ends of described blackboard eraser roller (4) are connected with right column, left column respectively by blackboard eraser roller fixed mechanism.
2. a kind of rolling type white board according to claim 1, is characterized in that: described upper live-rollers governor motion comprises bearing block mount pad (602) and adjusting bolt (604); The right side of described right column and the left side of left column are all fixed with fixed mounting (603); Described adjusting bolt (604) is passed fixed mounting (603) afterwards and bearing block mount pad (602) is connected; On described bearing block mount pad (602), be fixed with the bearing block (601) with bearing, this bearing block (601) with bearing is set in respectively the two ends of above-mentioned upper live-rollers (2).
3. a kind of rolling type white board according to claim 2, it is characterized in that: described lower live-rollers driving mechanism comprises the motor (701) that is fixedly mounted on sill upper surface, shaft coupling (702), driving wheel (703), be set in the driven pulley (704) of lower live-rollers (3) right-hand member, the first rotating shaft (705) and Timing Belt (706), the output shaft of described motor (701) is connected with one end of the first rotating shaft (705) by shaft coupling (702), the other end of this first rotating shaft (705) is connected with driving wheel (703) through after right column, between described driving wheel (703) and driven pulley (704), be connected by Timing Belt (706).
4. a kind of rolling type white board according to claim 3, it is characterized in that: described blackboard eraser roller driving mechanism comprise be set in lower live-rollers (3) left end the first bevel gear (801), the second rotating shaft (803), be set in the second bevel gear (802), connecting rod (805), slide block (806) in the second rotating shaft (803), the axis of described the first bevel gear (801) is mutually vertical with the axis of the second bevel gear (802), and the second bevel gear (802) is meshed with the first bevel gear (801); The upper end of described the second rotating shaft (803) is fixedly mounted on left column by the bearing block with bearing (601), and the upper end of the second rotating shaft (803) is arranged with two bearing blocks (601); The lower end of described the second rotating shaft (803) is installed with crankwheel (804); Described crankwheel (804) is hinged with one end bias of connecting rod (805); It is upper that the other end of described connecting rod (805) is hinged on slide block (806), and this slide block (806) is connected mutually with above-mentioned blackboard eraser roller (4).
5. a kind of rolling type white board according to claim 4, it is characterized in that: described blackboard eraser roller fixed mechanism comprises linear bearing mount pad (902), adjusting rod (904) and adjustment screw (905), the two ends of described blackboard eraser roller (4) are all arranged with linear bearing (901); Described linear bearing (901) is arranged in the first installing hole of linear bearing mount pad (902); On described linear bearing mount pad (902), offer the second installing hole, the axis of this second installing hole is mutually vertical with the axis of the first installing hole; The trailing flank of described right column and the trailing flank of left column are all fixed with fixed block (903); Described adjusting rod (904) is connected with adjustment screw (905) with after fixed block (903) through the second installing hole.
6. a kind of rolling type white board according to claim 5, it is characterized in that: also comprise power supply box (15), for controlling the cutting-off switch (14) of motor (701) switch and for controlling the power switch (13) of power supply box (15), described power switch (13) is connected with power supply box (15); Described power supply box (15) is connected with cutting-off switch (14); Described cutting-off switch (14) is connected with motor (701).
7. a kind of rolling type white board according to claim 6, is characterized in that: the blackboard eraser (401) of described blackboard eraser roller (4) is 1/4th circular arc.
8. according to a kind of rolling type white board described in claim 6 or 7, it is characterized in that: on described sill and entablature, be all symmetrical arranged and be useful on the limited post (12) that prevents curtain (5) left and right sideslip.
9. a kind of rolling type white board according to claim 8, is characterized in that: front liner plate (10) and the rear lining plate (11) on the front and back frame face that is fixedly mounted on framework (1) is close at the back side of described curtain (5) writing surface; Above-mentioned power switch (13) and cutting-off switch (14) are installed on front liner plate (10).
10. a kind of rolling type white board according to claim 9, is characterized in that: the back side of described curtain (5) writing surface is frosting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191964.9A CN103950320B (en) | 2014-05-07 | 2014-05-07 | A kind of rolling type white board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191964.9A CN103950320B (en) | 2014-05-07 | 2014-05-07 | A kind of rolling type white board |
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| CN103950320A true CN103950320A (en) | 2014-07-30 |
| CN103950320B CN103950320B (en) | 2016-02-03 |
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| CN110315890A (en) * | 2019-07-24 | 2019-10-11 | 范会平 | A kind of multi-functional speech plate |
| CN110744951A (en) * | 2019-11-14 | 2020-02-04 | 张戈 | Rolling type white board |
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| CN112428722A (en) * | 2020-11-09 | 2021-03-02 | 惠州学院 | Writing board with automatic cleaning function |
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| CN104175772B (en) * | 2014-08-13 | 2016-03-23 | 上海电机学院 | For the blackboard eraser mechanism of push-and-pull blackboard movable up and down |
| CN104354499A (en) * | 2014-12-07 | 2015-02-18 | 赵夫超 | Movable rolling-type blackboard |
| CN106004176A (en) * | 2016-07-02 | 2016-10-12 | 深圳市中幼国际教育科技有限公司 | Mathematics teaching board |
| CN106626893A (en) * | 2016-11-24 | 2017-05-10 | 牡丹江师范学院 | Auxiliary device for instruction of liberal arts |
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| CN108437662A (en) * | 2018-04-04 | 2018-08-24 | 昆明理工大学 | A kind of roller auto-erasing blackboard device |
| CN108490869A (en) * | 2018-05-21 | 2018-09-04 | 深圳职业技术学院 | A kind of intelligent management system of practical teaching |
| CN109637399A (en) * | 2019-01-28 | 2019-04-16 | 河北建材职业技术学院 | College management work announcement board |
| CN109920276A (en) * | 2019-04-23 | 2019-06-21 | 江苏海事职业技术学院 | A kind of auxiliary English word memorizing plate |
| CN110315890A (en) * | 2019-07-24 | 2019-10-11 | 范会平 | A kind of multi-functional speech plate |
| CN110744951A (en) * | 2019-11-14 | 2020-02-04 | 张戈 | Rolling type white board |
| CN112369847A (en) * | 2020-11-09 | 2021-02-19 | 惠州学院 | Teaching aid capable of adjusting multiple degrees of freedom of board frame |
| CN112428722A (en) * | 2020-11-09 | 2021-03-02 | 惠州学院 | Writing board with automatic cleaning function |
| CN112428722B (en) * | 2020-11-09 | 2022-03-08 | 惠州学院 | Writing board with automatic cleaning function |
| CN112369847B (en) * | 2020-11-09 | 2022-05-17 | 惠州学院 | Teaching aid capable of adjusting multiple degrees of freedom of board frame |
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Effective date of registration: 20181130 Address after: 213017 Room 938, Tianning Science Promotion Center, 256 Zhulin North Road, Tianning District, Changzhou City, Jiangsu Province Patentee after: Changzhou Dongji Road International Trade Co., Ltd. Address before: 213022 Wushan Road, Xinbei District, Changzhou, Jiangsu Province, No. 1 Patentee before: Changzhou Polytechnic College |
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