CN103950320B - A kind of rolling type white board - Google Patents
A kind of rolling type white board Download PDFInfo
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- CN103950320B CN103950320B CN201410191964.9A CN201410191964A CN103950320B CN 103950320 B CN103950320 B CN 103950320B CN 201410191964 A CN201410191964 A CN 201410191964A CN 103950320 B CN103950320 B CN 103950320B
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Abstract
The invention discloses a kind of rolling type white board, belong to teaching aid field.A kind of rolling type white board of the present invention, is made up of critical pieces such as rectangular-shaped framework, curtain, upper live-rollers governor motion, lower live-rollers driving mechanism, blackboard eraser roller fixed mechanism, blackboard eraser roller driving mechanism, power switch, cutting-off switch and power supply boxs.A kind of rolling type white board of the present invention, structure is simple, easy accessibility, compact overall structure, and curtain can cycle rotation, and can automatic erasing, reduces labour intensity, improves teaching environment.
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 is wooden or the blackboard made of the material such as frosted glass or iron porcelain, its major drawbacks is: 1, during 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 tiptoe hold high arm face upward head up write time, also easily eat chalk dust; 2, conventional blackboard is hard-wired, and easily not high to height user brings inconvenience in use, makes to write bothersome, simultaneously in order to not waste the usable floor area of blackboard, bothersome all comparatively painstakingly when writing bottom blackboard top and blackboard; 3, existing blackboard is because of by height limitation, has blocked the segment word content on blackboard, be an impediment to the observation of student's knowledge hand brain, affect results of learning when teacher is movable at dais; 4, blackboard with chalk write and hand-power erasing in, plate face is easily damaged aging, cause fade, reflective, writing is unclear, brings infringement to student eyesight; 5, the blackboard area that writes is comparatively limited; 6, screen must be hanged up separately when carrying out slide show teaching, very inconvenient.
Therefore, this area is easy to use in the urgent need to one, is applicable to the user of different height, does not have blackboard or the blank of chalk dust.
Summary of the invention
1. invent the technical problem that will solve
The object of the invention is to overcome above-mentioned deficiency, provide a kind of rolling type white board, adopt technical scheme of the present invention, structure is simple, easy accessibility, compact overall structure, curtain can cycle rotation, and energy automatic erasing, reduce labour intensity, improve 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 below sill; The right-hand member of described lower live-rollers is connected with lower live-rollers driving mechanism with after right column through the bearing block of band bearing successively; The left end of described lower live-rollers is connected with blackboard eraser roller driving mechanism with after left column through the bearing block of band bearing successively; Above-mentioned upper live-rollers and lower live-rollers are parallel to each other, and the curtain by closed hoop between upper live-rollers and lower live-rollers is connected in conveyer belt mode; The below of described framework is provided with the blackboard eraser roller moved left and right by blackboard eraser roller driving mechanisms control; Described blackboard eraser roller compresses with above-mentioned curtain and contacts; 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; Described bearing block mount pad is fixed with the bearing block of band bearing, the bearing block of this band bearing is set in the two ends of above-mentioned upper live-rollers respectively.
Further, described lower live-rollers driving mechanism comprise be fixedly mounted on sill upper surface motor, shaft coupling, driving wheel, the driven pulley being set in lower live-rollers right-hand member, the first rotating shaft and Timing Belt, the output shaft of described motor is connected by shaft coupling one end with the first rotating shaft, and the other end of this first rotating shaft is connected with driving wheel through after right column; Described driving wheel is connected by Timing Belt with between driven pulley.
Further, described blackboard eraser roller driving mechanism comprise be set in lower live-rollers left end the first bevel gear, the second rotating shaft, the second bevel gear be set in the second rotating shaft, connecting rod, slide block, 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 being with the bearing block of 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; Described linear bearing mount pad offers the second installing hole, and 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 is connected with adjustment screw with after fixed block through the second installing hole.
Further, also comprise power supply box, for controlling the cutting-off switch of motor switch and the power switch for controlling 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 the circular arc of 1/4th.
Further, described sill and entablature are all symmetrically arranged with the limited post for preventing curtain left and right sideslip.
Further, the back side of described curtain writing surface is close to and is fixedly mounted on front liner plate on the frame face, front and back of framework and rear lining plate; 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, and structure is simple, 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, bearing block mount pad is fixed with the bearing block of band bearing, the bearing block of this band bearing is set in the two ends of above-mentioned upper live-rollers respectively, connect compact, easy accessibility, by adjusting bolt to bearing block mount pad up-down adjustment, the upper live-rollers be arranged on bearing block is driven to move up and down, and then realize the object of the degree of tightness adjusting curtain,
(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 by shaft coupling one end with the first rotating shaft, 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 between the driven pulley being set in lower live-rollers right-hand member, connect compact, easy accessibility, machine operation drives driving wheel to rotate, and the driven pulley be contained on lower live-rollers is driven by Timing Belt, because the curtain by closed hoop between upper live-rollers and lower live-rollers is connected in conveyer belt mode, 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, design according to the principle of slider-crank mechanism in blackboard eraser roller driving mechanism, connect compact, easy accessibility, lower live-rollers drives the first bevel gear work while rolling, second bevel gear is meshed with the first bevel gear drive second axis of rotation, second rotating shaft drives crankwheel to rotate, the connecting rod that crankwheel drives Eccentric-hinge to be connected on crankwheel moves, the side-to-side movement of connecting rod band movable slider, this slide block is connected mutually with the blackboard eraser roller be 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, linear bearing mount pad offers 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 is connected with adjustment screw with after fixed block through the second installing hole, connect compact, easy accessibility, by adjustment screw, degree of tightness adjustment is carried out to adjusting rod, the linear bearing mount pad installing linear bearing is driven 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 the power switch for controlling 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 Automated condtrol, controls cutting-off switch and power switch as required, 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 the circular arc of 1/4th, adds the contact area of blackboard eraser and curtain, makes wiping more clean;
(8) a kind of rolling type white board of the present invention, its sill and entablature is all symmetrically arranged with the limited post for preventing curtain left and right sideslip, restriction curtain sideslip when rolling, and guarantees to use normal;
(9) a kind of rolling type white board of the present invention, the back side of its curtain writing surface is close to and is fixedly mounted on front liner plate on the frame face, front and back of framework and rear lining plate, 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, to prevent from skidding on upper live-rollers and lower live-rollers.
Accompanying drawing explanation
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 understanding content of the present invention further, the present invention is described in detail by reference to the accompanying drawings.
Composition graphs 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, structure is simple, easy accessibility, compact overall structure, framework 1 comprises right column, left column, sill and entablature, and 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 below sill; The right-hand member of lower live-rollers 3 is connected with lower live-rollers driving mechanism with after right column through the bearing block 601 of band bearing successively; The left end of lower live-rollers 3 is connected with blackboard eraser roller driving mechanism with after left column through the bearing block 601 of band bearing successively; 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 the curtain 5 by closed hoop between upper live-rollers 2 and lower live-rollers 3 is connected in conveyer belt mode, the back side of this curtain 5 writing surface is frosting, increases frictional force, to prevent from skidding on upper live-rollers 2 and lower live-rollers 3; In order to limit curtain 5 sideslip when rolling, guaranteeing to use normal, sill and entablature being all symmetrically arranged with the limited post 12 for preventing curtain about 5 sideslip; In addition, conveniently write on curtain 5, the back side of curtain 5 writing surface is close to and is fixedly mounted on front liner plate 10 on the frame face, front and back of framework 1 and rear lining plate 11; The below of framework 1 is provided with the blackboard eraser roller 4 moved left and right by blackboard eraser roller driving mechanisms control; Blackboard eraser roller 4 compresses with above-mentioned curtain 5 and contacts; The two ends of blackboard eraser roller 4 are connected with right column, left column respectively by blackboard eraser roller fixed mechanism; Front liner plate 10 is provided with the power switch 13 for controlling power supply box 15 switch and the cutting-off switch 14 for controlling motor 701 switch; 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 Automated condtrol, controls cutting-off switch 14 and power switch 13 as required, 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 through after fixed mounting 603 and bearing block mount pad 602 be connected; Bearing block mount pad 602 is fixed with the bearing block 601 of band bearing, the bearing block 601 of this band bearing is set in the two ends of above-mentioned upper live-rollers 2 respectively; Connect compact, easy accessibility, by adjusting bolt 604 pairs of bearing block mount pad 602 up-down adjustment, the bearing block 601 be arranged on bearing block mount pad 602 is driven to move up and down, and then the upper live-rollers 2 that drive is arranged on the top of framework 1 by bearing block 601 moves up and down, and then realize the object of adjustment curtain 5 degree 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, driven pulley 704, first rotating shaft 705 being set in lower live-rollers 3 right-hand member and Timing Belt 706, the output shaft of motor 701 is connected by shaft coupling 702 one end with the first rotating shaft 705, and the other end of this first rotating shaft 705 is connected with driving wheel 703 through after right column; Be connected by Timing Belt 706 between driving wheel 703 with driven pulley 704, connect compact, easy accessibility; Control motor 701 to work, motor 701 drives the driving wheel 703 be 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, because the curtain 5 by closed hoop between upper live-rollers 2 and lower live-rollers 3 is connected in conveyer belt mode, thus realize the circulating rolling of curtain 5;
As shown in Figure 5 and Figure 6, blackboard eraser roller driving mechanism comprise be set in lower live-rollers 3 left end the first bevel gear 801, second rotating shaft 803, second bevel gear 802, connecting rod 805, slide block 806, the axis of the first bevel gear 801 is mutually vertical with the axis of the second bevel gear 802 be set 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 of band 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 compact, 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 be attached thereto to rotate, because the second bevel gear 802 is meshed with the first bevel gear 801, the second bevel gear 802 is driven to rotate, because the second bevel gear 802 is set in the second rotating shaft 803, the second rotating shaft 803 is driven to rotate, and then drive the crankwheel 804 being fixedly mounted on the second rotating shaft 803 lower end 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; Linear bearing mount pad 902 offers 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 through the second installing hole and fixed block 903 are rear; Connect compact, easy accessibility, carries out degree of tightness adjustment by adjustment screw 905 pairs of adjusting rods 904, drives the linear bearing mount pad 902 installing linear bearing 901 to move up and down, and then drive blackboard eraser roller 4 to move up and down, thus realize regulating blackboard eraser 401 and curtain 5 tightness; In order to add blackboard eraser 401 and the contact area of curtain 5 in blackboard eraser roller 4, make wiping more clean, the blackboard eraser 401 of blackboard eraser roller 4 is the circular arc of 1/4th.
First 13 are turned on the power switch during use, curtain 5 adopt pigment pen to write, when cutting-off switch 14 is allocated to " rising " gear, curtain 5 rotates and raises, and the writing write on curtain 5 is raised, student all can see the written contents on curtain 5 in different angles, curtain 5 reverse side is in decline simultaneously, the writing of reverse side has not needed, and only curtain 5 reverse side need be continued to decline until the writing on curtain 5 reverse side is all that is erasable through lower live-rollers 3; When cutting-off switch 14 is allocated to " decline " gear, curtain 5 rotates and declines, and is declined by the writing write on curtain 5; In addition, also can be used as magic lantern screen to use when curtain 5 is static.
Use the benefit of a kind of rolling type white board of the present invention: 1, teacher can all the time with the most applicable oneself, the attitude of the most comfortable, most convenient carries out writing on the blackboard, significantly reduces working strength; 2, the content of writing on the blackboard can drive rising with curtain 5 by motor 701, full the student in classroom can see; 3, be positioned at the curtain 5 at framework 1 back side while decline, writing is wiped by the sponge in blackboard eraser roller 4 on blackboard eraser 401, can write for a long time continuously, need not start to wipe blank; 4, curtain 5 adopts pigment pen to write, and carry out wiping with sponge, to curtain 5 not damaged, can use for a long time, and pollution-free without dust when writing erasing; 5, screen when curtain 5 can be used as slide show teaching; 6, the curtain 5 slowly risen, 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, structure is simple, easy accessibility, compact overall structure, and curtain 5 can cycle rotation, and can automatic erasing, reduces labour intensity, improves teaching environment.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (9)
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 below sill, the right-hand member of described lower live-rollers (3) is connected with lower live-rollers driving mechanism with after right column through the bearing block (601) of band bearing successively, the left end of described lower live-rollers (3) is connected with blackboard eraser roller driving mechanism with after left column through the bearing block (601) of band bearing successively, wherein blackboard eraser roller driving mechanism comprises the first bevel gear (801) being set in lower live-rollers (3) left end, second rotating shaft (803), be set in the second bevel gear (802) in the second rotating shaft (803), connecting rod (805), slide block (806), 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 (601) of band bearing, 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), the other end of described connecting rod (805) is hinged on slide block (806), and this slide block (806) is connected mutually with blackboard eraser roller (4), above-mentioned upper live-rollers (2) and lower live-rollers (3) are parallel to each other, and the curtain (5) by closed hoop between upper live-rollers (2) and lower live-rollers (3) is connected in conveyer belt mode, the below of described framework (1) is provided with the blackboard eraser roller (4) moved left and right by blackboard eraser roller driving mechanisms control, described blackboard eraser roller (4) compresses with above-mentioned curtain (5) and contacts, 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 connected with bearing block mount pad (602) afterwards through fixed mounting (603); Described bearing block mount pad (602) is fixed with the bearing block (601) of band bearing, the bearing block (601) of this band bearing is set in the two ends of above-mentioned upper live-rollers (2) respectively.
3. a kind of rolling type white board according to claim 2, it is characterized in that: described lower live-rollers driving mechanism comprise be fixedly mounted on sill upper surface motor (701), shaft coupling (702), driving wheel (703), the driven pulley (704) being set in 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 by shaft coupling (702) one end with the first rotating shaft (705), and the other end of this first rotating shaft (705) is connected with driving wheel (703) through after right column; Described driving wheel (703) is connected by Timing Belt (706) with between driven pulley (704).
4. a kind of rolling type white board according to claim 3, 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); Described linear bearing mount pad (902) offers the second installing hole, and 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 fixed block (903) afterwards through the second installing hole.
5. a kind of rolling type white board according to claim 4, it is characterized in that: also comprise power supply box (15), for controlling the cutting-off switch (14) of motor (701) switch and the power switch (13) for controlling 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).
6. a kind of rolling type white board according to claim 5, is characterized in that: the blackboard eraser (401) of described blackboard eraser roller (4) in 1/4th circular arc.
7. a kind of rolling type white board according to claim 5 or 6, is characterized in that: described sill and entablature are all symmetrically arranged with the limited post (12) for preventing curtain (5) left and right sideslip.
8. a kind of rolling type white board according to claim 7, is characterized in that: the back side of described curtain (5) writing surface is close to and is fixedly mounted on front liner plate (10) on the frame face, front and back of framework (1) and rear lining plate (11); Above-mentioned power switch (13) and cutting-off switch (14) are installed on front liner plate (10).
9. a kind of rolling type white board according to claim 8, 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103950320A CN103950320A (en) | 2014-07-30 |
| CN103950320B true CN103950320B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410191964.9A Active CN103950320B (en) | 2014-05-07 | 2014-05-07 | A kind of rolling type white board |
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| 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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| CN2068054U (en) * | 1990-01-10 | 1990-12-26 | 谢明 | Belt-type cycle blackboard |
| CN2080028U (en) * | 1990-05-18 | 1991-07-03 | 王贵欣 | Automatic winding dust-suction blackboard |
| CN2248134Y (en) * | 1996-04-09 | 1997-02-26 | 张建勋 | Rolling self dust-removing health blackboard |
| CN1351935A (en) * | 2000-11-02 | 2002-06-05 | 梅保安 | Return type blackboard |
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| Publication number | Publication date |
|---|---|
| CN103950320A (en) | 2014-07-30 |
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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 |