CN2264671Y

CN2264671Y - Washed rolling blackboard

Info

Publication number: CN2264671Y
Application number: CN 96220097
Authority: CN
Inventors: 白子明
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-08-02
Filing date: 1996-08-02
Publication date: 1997-10-15
Anticipated expiration: 2006-08-02

Abstract

The utility model discloses a washed rolling blackboard which belongs to a teaching aid. On the basis of a rolling wet dust removing blackboard, a speed reducing motor is directly adopted and washing air-dry and intensified clean approaches (5, 6, 3 and 11) are introduced. Two kinds of orthogonal transmission structures (4 and 7), a water tank (1), a light screen board and a light source (18) are arranged on a position controller of a board surface. The structures can be used for thoroughly clearing writing without dust. The board surface can be recovered to an original state. Position control can be carried out on two orthogonal directions. Therefore, a visual effect can be improved from many ways and water can be circularly used. The utility model has the advantages of reasonable structure, perfect structure, obvious effect and easy application.

Description

The washed type rolling blackboard

The utility model belongs to teaching aid, the used blackboard of teacher when relating generally to collective and giving lessons.

Known takeup type blackboard can be realized writing with display position and separate, and has improved the effect of teacher's writing on the blackboard; This structure is provided with the function of writing on the blackboard self-cleaning mostly, thereby has also alleviated the labour intensity of teacher's muscle power.But finding takeup type blackboard is provided with the speed change transmission more, often makes complex structure; Though the pollution that in wet type self-cleaning scheme, has solved dust preferably, and the recovery of plate face user mode is also leaving shortcoming in varying degrees after the self-cleaning.

The purpose of this utility model provides the organization plan that designs simplification recovers the wet type self-cleaning blackboard of user mode rapidly.

The utility model purpose is to realize like this, the washed type rolling blackboard comprises the grillage that supports blackboard integral body, the rotating shaft of being fixed in the relative both sides of grillage and being parallel to each other, be wound in the relative outer surface of diaxon, but writing blackboard writing on the blackboard, and the ring-band shape plate face that rotates with axle, and the grillage strainer of securable ring-band shape plate face between two rotating shafts that link, place plate face rear side, can remove plate face surface attachment writing on the blackboard vestige by friction, and be fixed in the blackboard eraser of grillage, drive the power that described rotating shaft is rotated, can making, the clipboard face portion becomes wet storage water system, be positioned between two rotating shafts and ring-band shape two plate faces within and link with grillage, but the gripper shoe face is so that write the backing plate of writing on the blackboard, and the accessory that is fixedly connected.Wherein said rotating shaft power is for directly having the motor of the output of slowing down; Also be provided with the place ahead that is positioned at plate face rotation direction blackboard eraser simultaneously, be fixed in the warm-air supply system that grillage can provide the wind-force oven dry.Like this, reducing motor can be simplified plate face transmission system, and the wind-force oven dry can make wet type clear board postscript plate face return to state to be used rapidly.Plate face after this programme designs simplification, the self-cleaning can be recovered rapidly, thereby realized the purpose of this utility model.

The utility model is provided with the flushing type water system, promptly set up and be fixed in grillage in described storage water system, the motor and water pump that washes down water is provided, near the blackboard eraser that plate face back side panel face moving direction at first contacts, the plate face moves reciprocal relevant position, be provided be fixed in grillage can spray the spray orifice that washes down water and join hydraulic pipeline, and place below this place's plate face and this blackboard eraser, be fixed in water storage tank, link with described hydraulic pipeline, be fixed in the water storage tank of grillage, cleaner with the filtered and recycled water for dust removal, like this, flushing has strengthened the effect of wet type clear board face, but reclaim using water wisely, headed by hole for water spraying is placed in before the blackboard eraser, can make plate face quilt towards clear position trace and plate face attached water, cleaned by blackboard eraser immediately, the effect of this programme is improved.

The utility model can also be set up the sliding support pair that links with grillage, and another of sliding pair formed the surface and then be fixed on the supporter of blackboard user mode grillage, and its glide direction is parallel with plate face shaft axis; Also be provided with the connection governor motion that is fixed between grillage and the support of blackboard user mode simultaneously, as screw thread; The transmission direction of this screw thread should be consistent with the glide direction of sliding support pair, and the support of its driving part and grillage links with the axial limiting transmission, and can accept the input of blackboard position adjustments moment of torsion.Like this, connect the fixed position that governor motion can change blackboard, cooperate with sliding pair this change is controlled within the slide-and-guide scope, and reduce and regulate resistance,

The utility model also is equipped with the lighting source of band penthouse in front side, blackboard top, so as to offsetting reflective that the biasing lamp causes, thereby improve the display effect of blackboard.

The utility model can be the reasonable combination of above-mentioned each scheme, to adapt to different instructions for uses.

The utility model is selected for use reducing motor to simplify the blackout plate structure and is introduced wet type and wash down the wind-force drying structure, make blackboard both can be when having removed the writing on the blackboard vestige better effects if, more thorough; But subsequently again instant recovery its just as initial dormant state.Blackboard supports the adjustment that connects can change fixing position, is beneficial to the content that shows writing on the blackboard in bigger visual range.The serviceability of the perfect existing auto purification type blackboard of can reeling.

Accompanying drawing has provided the utility model embodiment signal.

Fig. 1 is a blackboard outward appearance diagrammatic sketch;

Fig. 2 is an internal structure diagrammatic elevation view behind dismounting plate face and the forward part grillage;

Fig. 3 is the A-A cutaway view of Fig. 2;

Fig. 4 is the B-B cutaway view of Fig. 3.

Among the figure: 1, cyclic water tank 2, water pump and motor 3, injection water pipe 4, drive roll 5, horizontal scrolling motor 6, lifting motor 7, elevating screw 8, adjusting bolt 9, air-heater 10, passive cylinder 11, warm-air pipe 12, lifting nut 13, scrubbing brush 14, support backing plate 15, gauge tap 16, riser guide 17, rollable plate face 18, last eaves and fluorescent lamp 19, box grillage 20, leading screw bearing 21, wall 22, bolt 23, filter screen

The utility model is described in further detail below in conjunction with embodiment.

The utility model embodiment is the blackboard of giving lessons in the common classroom, 300 * 120 * 30 centimetres of its overall dimensions, and 2 kilowatts of total outputs are as Fig. 1,2,3,4.

This example is a blackboard grillage 19 by the flat casing of rectangle of positive side hollow, two ends, the left and right sides are provided with cylinder parallel to each other 4,10 in grillage, flexible rollable ring-band shape plate face 17 in the mode that contains two cylinders simultaneously, be surrounded on two cylinder opposite external side, the cylinder that is positioned at the right side supports the slip that can make vertical cylinder axis direction along the plate face, link through bolt 8 and grillage, bolt 8 center lines and two centre of the drum's line place plane parallel are also vertical with the centre of the drum line.Between two cylinders and within the plate face endless belt, also be provided with the backing plate 14 that fixedly links with grillage, its front face surface is consistent with the common tangent plane of two cylinder obverse-faces.The cylinder axle head and the reducing motor 5 that are positioned at left end directly link.Between the back side, two cylinders of closing on the tube that rolls left, be wound in the outside of plate face between two cylinders, be equipped with parallel with cylinder axis, at grillage near the plate face along the water pipe 3 that is fixed with spray orifice on the relevant position of cylinder axis direction length, the pipe lower end links through water pump 2 and water tank 1 inner chamber, water pump is furnished with its drive motors, and water tank is furnished with filter screen 23.Between grillage back side panel and the clipboard face, on the direction of parallel roller axle, the whole width of plate face, be provided with plate face CONTACT WITH FRICTION and be fixed in 3 blackboard erasers 13 on the grillage.The pipeline and the air-heater 9 that are provided with the warm-air pipe 11 that is fixed in grillage at the nearly right cylinder of plate face 10 places, link with warm-air pipe, section is established two dovetail grooves at the rear side two ends of grillage, reach the dovetail that is slidingly matched with groove, cooperate the sliding pair 16 that forms, dovetail is fixed in the knee wall 21 of blackboard by bolt 22, and the glide direction of sliding pair is parallel with the cylinder axis direction.The motor 6 that still is provided with worm drive pair 7,12 and links with it at the middle part of grillage in this direction.Motor is fixed in the support 21 of blackboard, and motor also is fixed in this support through the bearing and the seat 21 at two ends; Be fixed in grillage trailing flank bottom with leading screw nut engaged 12.Positive front side is provided with eaves formula shield above grillage, is fixed with irradiation source 18 under the plate.Be provided with operation-control switch 15 in the grillage side, and link through lead and institute's control electrical equipment.It more than is this routine primary structure explanation.

Horizontal scrolling motor 5 can be realized the place ahead plate moving towards a left side during work.Water pump water tank 1 can supply water for injection water pipe 3, blackboard eraser 13 can be wiped the attachment on the plate face of being broken through by water, warm-air pipe 11,9 of air-heaters provide the energy of oven dry plate face residual water mark before the plate face of rear side goes to positive front, but the normal tensioning dormant state of the adjusting bolt 8 retaining plate faces at right side cylinder 5 two ends, backing plate 14 can be used as the planar support of writing on the blackboard when writing, water tank 1 under the plate, can collect and hold wash water and the attached water that falls with the filtering plate face, the motor 6 at grillage rear can change the relative position of screw thread transmission self, after the dovetail 16 of its screw rod 7 and both sides sliding pair is fixed on the blackboard supporter, can make the position of blackboard vertical direction adjusted, the shield on blackboard top and light source then can block unhelpful light and increase the normal illumination at plate face place, help the normal demonstration of blackboard and prevent the reflective phenomenon that blackboard exists usually.

Use this example can alleviate the fatigue of teacher's writing on the blackboard, enlarge the visual range of teaching board, improve the display effect of working environment and writing on the blackboard, thereby provide a kind of appointed condition for improving the quality of teaching.

Claims

1, the washed type rolling blackboard comprises the grillage that supports blackboard integral body, be fixed in the relative both sides of grillage, and the rotating shaft that is parallel to each other, be wound in the relative outer surface of diaxon, but writing blackboard writing on the blackboard, and the ring-band shape plate face that rotates with axle, with the link strainer of securable ring-band shape plate face of grillage, place plate face rear side, can wipe plate face surface attachment writing on the blackboard vestige by friction, and be fixed in the blackboard eraser of grillage, drive the power that described rotating shaft and coiling plate face rotate, can making, the clipboard face portion becomes wet storage water system, be positioned between two rotating shafts and the band-like plate face within and link with grillage, but the gripper shoe face is so that write the backing plate of writing on the blackboard, and the accessory that is fixedly connected, it is characterized in that: described turning cylinder power is for can directly driving the reducing motor (5 of turning cylinder, 6); The warm-air supply system (9,11) that is positioned at plate face rotation direction blackboard eraser (13) the place ahead, is fixed in grillage (19), can provides wind-force to dry also is provided simultaneously.

2, blackboard as claimed in claim 1, it is characterized in that: described storage water system contains water pump and motor (2) thereof, near the blackboard eraser that plate face back side panel face moving direction at first contacts, the rightabout of plate face moving direction, be provided with grillage fixedly link can spray the spray orifice that washes down water and join hydraulic pipeline (3), place the water storage tank and the filtering parts (1,23) of relevant position, this part plate face and this blackboard eraser below.

3, blackboard as claimed in claim 1 is characterized in that also being provided with the sliding support pair (16) that links with grillage, and the support (21) that another building block of sliding pair and grillage are installed links, and its glide direction is parallel to described rotating shaft (4); With the worm drive pair (7,8) that grillage links, its transmission direction is consistent with the secondary glide direction of sliding support, and the driving part of transmission and the support of grillage (21) axial limiting link, and can accept the input of blackboard position adjustments moment of torsion.

4, blackboard as claimed in claim 1 or 2 is characterized in that: also be fixed with eaves formula shadow shield and light source (18) on blackboard top.

5, blackboard as claimed in claim 3 is characterized in that: also be fixed with eaves formula shadow shield and light source (18) on blackboard top.