CN103192630A - Batten type automatic overturning back cleaning blackboard - Google Patents
Batten type automatic overturning back cleaning blackboard Download PDFInfo
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- CN103192630A CN103192630A CN201310099189XA CN201310099189A CN103192630A CN 103192630 A CN103192630 A CN 103192630A CN 201310099189X A CN201310099189X A CN 201310099189XA CN 201310099189 A CN201310099189 A CN 201310099189A CN 103192630 A CN103192630 A CN 103192630A
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Abstract
The invention relates to a batten type automatic overturning back cleaning blackboard which is mainly composed of a board surface, a frame around the board surface and a power input mechanism. The board surface is composed of a plurality of horizontally arranged battens, mutually buckled protrusions or grooves are arranged at the positions of contact surfaces of the adjacent battens, and the frame is composed of a static frame, side frames and a movable frame. Board surface renewal mechanisms are arranged in two side frames respectively, sliding bodies are arranged at two ends of the movable frame, mandrels are arranged at two ends of the battens respectively, and the sliding bodies and the mandrels are respectively connected with the board surface renewal mechanisms. First driving bodies are arranged in the two side frames respectively, are driven by the power input mechanism and are connected with the board surface renewal mechanisms. By driving the movable frame and the plurality of horizontally arranged battens through the first driving bodies in the two side frames, separation of the movable frame, the battens and the static frame is achieved, then the battens are overturned for 180 degrees, integrated press fit is performed finally, cleaning of the back side is finished while normal teaching use of the visual board surface is achieved, and accordingly the problems which occur in blackboard use at present are solved.
Description
Technical field
The invention relate to a kind of strip type overturn automatically the back of the body clean blackboard, belong to a kind of teaching blackboard.
Background technology
At present, the blackboard for education working face is fixed surface.After writing on the blackboard is used, with dry type blackboard eraser or wet type blackboard eraser, remove writing, and then write.
The shortcoming of existing blackboard is: indoor dust is big when removing writing with the dry type blackboard eraser, is unfavorable for air cleaner, the maintenance of teaching and administrative staff's physically and mentally healthy and indoor instrument; Remove writing with the wet type blackboard eraser, need the flushing blackboard eraser, after the plate face need be waited for its surface drying, just can reuse.Because blackboard eraser do not have self-cleaning, these two kinds of modes that erase the board clean all not thoroughly, influence teaching efficiency simultaneously, rhythm and cultural atmosphere.
Existing much at the solution of above problem, effect is all undesirable.The washing blackboard is arranged on the market, and its writing surface is the washing surface.Because blackboard structure and the strength of materials are limit, the washing member must be installed along short direction, moves along length direction.For taking instructional blocks of time less, manufacturer adopts the force air-dried measure, accelerates the washing member speed of service, strengthens ventilation.Because of inhomogeneous, the air-dry air quantity of the water content of plate face, wind speed, windage skewness.Because these intrinsic factors are although manufacturer has adopted a lot of high-tech means.Blackboard corner local location is timely surface drying still, normally the carrying out of influence teaching.The simultaneity factor noise, unstable and very difficult the maintenance, thereby the washing blackboard has occurred also failing for a long time to be popularized.
Summary of the invention
The invention provides a kind of strip type to overturn automatically and carries on the back clean blackboard, this blackboard is under driving body drives in two frames by moving frame and a plurality of lath that be arranged in parallel, realize moving frame, separating of lath and quiet frame, lath turns over turnback then, and last whole pressing reaches visual plate face and normally imparts knowledge to students when using, it is clean to finish washing of dorsal surface, has various problems thereby solve in the present blackboard use.
For overcoming the above problems, concrete technical scheme of the present invention is as follows: a kind of strip type overturns automatically and carries on the back clean blackboard, mainly by the plate face, framework around the plate face and power input mechanism are formed, the plate face is made up of a plurality of horizontally disposed laths, and adjacent lath has projection or the groove of mutual fastening at the contact-making surface place; The moving frame that the frame that the quiet frame that framework is arranged by bottom level, plate face both sides vertically arrange and upper horizontal arrange is formed; Be respectively equipped with more new mechanism of plate face in two frames, moving frame two ends are respectively equipped with slide mass, and the two ends of lath are respectively equipped with mandrel, slide mass and mandrel respectively with the plate face more new mechanism be connected; The driving body I that can move along the frame length direction is set respectively in two frames, the driving body I driven by power input mechanism and with the plate face more new mechanism be connected.
Described plate face more new mechanism is made up of translation mechanism and switching mechanism, and wherein the translation mechanism structure is: be respectively equipped with buffer spring in described two frames, the driving body I is connected with slide mass by buffer spring; Be provided with the frame fixed body in frame, slide mass and mandrel and frame fixed body are slidingly connected, between moving frame and the adjacent mandrel, between per two adjacent mandrels, draw body to interconnect by leading respectively between quiet frame and the adjacent mandrel.
Described plate face more new mechanism is made up of translation mechanism and switching mechanism, wherein the switching mechanism structure is: be provided with docking mechanism and frame fixed body in the frame, docking mechanism and frame fixed body are slidingly matched, the end of each mandrel is respectively equipped with rotary body, all rotary bodies that are positioned at lath the same side are arranged in parallel, adjacent rotary body draws body to interconnect by rotation, and docking mechanism is driven by the driving body I and is connected with one of them mandrel.
Described power input mechanism, its structure is: be provided with reducing motor in described frame or the quiet frame, the two ends of frame fixed body are respectively equipped with the axis of guide in frame, the power transmission shaft of reducing motor is provided with drive, the drive excircle is provided with the cog belt with its interlock, and cog belt one end is connected with the main transmission steel strand wires; The main transmission steel strand wires pass the driving body I after walking around the moving frame end axis of guide of respective side, after walking around the quiet frame two ends axis of guide and moving another axis of guide of frame end successively, be passed down through opposite side driving body I, walk around a quiet frame end axis of guide again and be connected with the other end of cog belt, form closed driving-chain; Driving body I and main transmission steel strand wires are for fixedlying connected; In main transmission steel strand wires end or inner the insertion be connected with tensioned device and collision block; Be provided with travel switch at the collision block orbit.
Described docking mechanism structure is: slidely connect pulley block respectively on two frame fixed bodies, the inner face of pulley block is provided with L type crimp, the mandrel at lath two ends, middle part passes in the pulley block L type crimp and is connected with freewheel clutch behind the circular hole, and circular hole is slidingly matched in mandrel periphery and the crimp; Be provided with controll block above pulley block, controll block and frame solid are slidingly matched, and are provided with limiting block above controll block, and limiting block is positioned on the orbit of driving body I; Freewheel clutch excircle place is provided with and surmounts flexible chain, and an end that surmounts flexible chain is connected with the below of controll block, is connected with return spring after the other end that surmounts flexible chain is walked around freewheel clutch, and the other end of return spring is connected with the below of homonymy pulley block.
Described power input mechanism is provided with clutch, and its structure is: the power transmission shaft of described reducing motor is provided with clutch, and the mandrel end nearest with clutch is provided with position-limited wheel; Be provided with the lock dog that can swing at the frame fixed body, an end of lock dog and the sliding-contact of position-limited wheel working face, the lock dog other end inserts the clutch for clutch control position of clutch.
Described framework is provided with whole displacement mechanism, and its structure is: be provided with the frame fixed body in frame, two frame fixed body rear sides respectively have two support arms, and each support arm two ends flexibly connects with frame fixed body and wall connecting piece respectively; Quiet frame downside is provided with ratchet and self-locking mechanism, and the end of translation steel strand wires I is fixed and is wrapped on the turning cylinder of ratchet, and the other end is connected with preloading spring by steering block in the middle of the quiet frame, and the other end of preloading spring connects a movable pulley; Translation steel strand wires II is walked around movable pulley, and an end is through the rotating shaft of quiet frame end, and by frame fixed body hole, the bearing pin of walking around on the corresponding wall connecting piece is connected with corresponding frame fixed body; The other end is walked around another quiet frame end rotating shaft through after the quiet frame end rotating shaft, by another frame fixed body hole, is connected with corresponding frame fixed body after walking around the bearing pin on the corresponding wall connecting piece.
Whole displacement mechanism is provided with general safety mechanism, and its structure is: described frame fixed body rear side is provided with safety door hook, is provided with safety pin at wall connecting piece, and safety door hook and safety pin fasten; Be provided with safe slide fastener at frame fixed body rear side, the other end of safe slide fastener is connected with wall connecting piece.
The described plate face back side is provided with water brush mechanism, and its structure is: the back side of lath is provided with the water brush body, and the front end of water brush body is provided with water brush bar, and the water brush bar outside is provided with aqua storage tank, and the front end perforate of aqua storage tank is positioned at water brush bar top; Be provided with water tank below the plate face, be provided with water pump in water tank, the water side of water pump communicates with a water pipe, and the other end of water pipe communicates with aqua storage tank; The two ends of water brush body are connected with the cleaning transmission device respectively.
Water brush mechanism is provided with to wipe away does mechanism, and its structure is: described water brush body is provided with the wiper rail that is parallel to water brush bar, and the bottom surface of wiper rail is provided with location-plate, and location-plate and aqua storage tank surface are slidingly connected; The two ends of location-plate are respectively equipped with elongated hole or open slot, and the drive block that has the inclined-plane is positioned at this elongated hole or open slot, and a side of elongated hole or open slot and the inclined-plane of drive block are slidingly matched; The two ends of drive block are connected with depression bar respectively, and depression bar runs through the perforate of water brush body outer wall, and are slidingly connected with hole wall; Two ends at location-plate are respectively equipped with restoring spring, and the other end of restoring spring is connected with the water brush body.
This strip type overturns automatically and carries on the back the version that clean blackboard adopts moving frame, lath and quiet frame to be laminated, be provided with projection or the groove of mutual fastening at the contact-making surface place, in the blackboard use, drive the action of driving body I by power input mechanism, thereby make the driving body I drive more new mechanism of plate face, realize translation and the upset of lath, reach the purpose that the plate face upgrades.
In order to make the unified integral body of the common formation of frame, all laths and quiet frame, adopt main structure of drawing body, drive on the slide mass by the driving body I and move, and then drive each main body that draws successively, realize the control of lath separating distance, and by buffer spring, realize soft drive.
The structure of switching mechanism is the action that drives docking mechanism by the action of driving body I, makes a pair of mandrel wherein realize spinning movement, and the common action of drawing body and rotary body simultaneously by rotation realizes the whole upset synchronously of all plate faces.
Power input mechanism adopts flexible transmission chain structure in the frame, realizes the more synchronous operation of new mechanism of plate face that two frames are interior with minimum space, for the setting of clutch is provided convenience.Setting up of clutch guaranteed blackboard in plate face renewal process, suddenly under the situation about having a power failure, and normally the carrying out of teaching.
This strip type back of the body clean blackboard back of overturning automatically is provided with the integral translation system, realizes the blackboard integral translation, be convenient to blackboard maintenance, change consumptive material.By the setting of safety door hook and safe slide fastener, improved the blackboard overall security simultaneously.
Be provided with water brush body and location-plate and travelling mechanism thereof at the back side of plate face, with the motion of water brush body, in the up operating mode of water brush body, wiper rail disengaging plate face quits work the assurance wiper rail with location-plate; The descending operating mode of water brush body, wiper rail contact plate face is realized wiping function.Thereby after guaranteeing washing, the cleaning of plate face and the reduction of water content.
Operating process of the present invention is: touch automatic button, the plate face is finished automatic renewal, and visible surface is normally write, teaching, and corresponding surface cleans automatically, wipes away driedly, leaves standstill surface drying then; Also can hide button by the trigger board face, realize that writing on the blackboard is hiding.
The invention has the beneficial effects as follows: blackboard and the existing blackboard appearance similar that generally uses, only increased removable water tank at following middle side part, this sets of plan has been taken all factors into consideration, the reliability of blackboard, ornamental, maintenance, security, and the carrying out of imparting knowledge to students under the unexpected powering-off state.Compress blackboard and taken up room, compressed material weight, guaranteed the cultural atmosphere of teaching.According to normal teaching situation, wash about two weeks of clean water and upgrade once; Consumptive material upgraded once in about 20 months, and this programme is taken all factors into consideration above-mentioned factor, can handled easily.
The invention has following advantage compared with the prior art:
1, solved the matter of time of water wash system operation.Finishing dorsal surface simultaneously in the use of blackboard lateral surface washes clean.Long 2.7 meters, high 1.2 meters blackboard, normal teaching is used to be needed more than 15 minutes, and for the operation of water wash system provides the sufficient time, the plate face after the wiping, leaves standstill surface drying through scraping water in open space;
2, airborne dust problem and the wiping completeness problem of air agitation have been solved.Water brush, wiping are in the concealed space lateral arrangement, during its work, along the short direction low speed of blackboard, mild operation.The at first wetting font of water that the water brush body flows out is washed away then, has self-cleaning property;
3, increase instructional blocks of time, reduced system maintenance time and frequency simultaneously.The plate face upgraded for 5 seconds can be finished with interior, has guaranteed the continuity of teaching thinking.The water brush body, the wiper rail impulse stroke is short, and little to plate face pressure, it is little to wear and tear, and has effectively improved life cycle.Clean water leaves standstill in the water tank, and precipitation process can be recycled;
4, having reduced blackboard takes up room.Be writing surface before and after the blackboard, usable floor area doubles with the area occupied ratio.Dwindle the horizontal view angle, shortened writer's displacement, for electronic equipment uses and shows the space that provides suitable, be conducive to bring into play the advantage separately of conventional teaching and modern teaching;
5, effectively protected eyesight.Because the plate face can upgrade, two plate faces spray different colors, effectively alleviate teaching and administrative staff's asthenopia; The plate face does not have floating dust through washing, has increased the definition of writing;
6, increased the hidden function of writing on the blackboard.Start and manually upgrade knob, the upset of plate face, the realization writing on the blackboard is hidden.Start manually upset knob again, realize the writing on the blackboard reproduction;
7, stability and the decorative effect of blackboard operation have been improved.A whole set of simple and reliable for structure, no high-tech factor gently, softens, and under the slow prerequisite, (less than 50W) finishes design function with small-power, is transmission simultaneously, the water circulation, and systems such as distribution are hidden in frame and the water tank, and providing may.
Description of drawings
Fig. 1: blackboard front view.
Fig. 2: lath is the back front view separately.
Fig. 3: the exploded perspective view of Figure 1A place (not having moving frame buckle closure, frame buckle closure and protecting cover).
Fig. 4: power input mechanism schematic diagram.
Fig. 5: Fig. 4 C place (lower spring on the no driving body I, fricton-tight body inner spring contact component and transmission steel hinge line) schematic diagram.
Fig. 6: the exploded perspective view of Figure 1B place (no corner protector and munnion buckle closure).
Fig. 7: water brush body end (anhydrous brush body main structure, frame fixed body and frame buckle closure) connection diagram.
Fig. 8: cleaning structure biopsy cavity marker devices schematic diagram.
Fig. 9: quiet frame (not having quiet frame buckle closure, water tank, translation and upset power transmission mechanism, circuit) is positioned at water tank place confined explosion schematic diagram.
Figure 10: the whole displacement mechanism driving-chain of blackboard schematic diagram.
Figure 11: the blackboard side view that has biopsy cavity marker devices.
Figure 12: the whole displacement of blackboard of laying down water tank finishes the rear side viewing schematic diagram.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the invention is described in further detail
Present embodiment comprises following mechanism: (1) plate face is new mechanism more; (2) clutch; (3) wiper mechanism of blackboard rear side and water circulation mechanism thereof; (4) the whole displacement mechanism of blackboard and release mechanism.
One, plate face new mechanism more
The structure explanation: the plate face upgrades, and at first moving frame (108), each lath (101) and quiet frame (107) separately make mutual formation suitable interval (avoiding upset to interfere), 180 ° of the upsets that continue, and pressing could realize then.As depicted in figs. 1 and 2, the design mainly comprises the framework around plate face and the plate face, and the plate face is made up of a plurality of horizontally disposed laths (101); The moving frame (108) that the frame (102) that the quiet frame (107) that framework is arranged by bottom level, plate face both sides vertically arrange and upper horizontal arrange is formed; Moving frame (108) can move along the length direction of frame (102); As Fig. 3 and shown in Figure 6, be respectively equipped with mandrel (312) at the two ends of lath, mandrel and frame (102) flexibly connect; Between moving frame (108) and the adjacent mandrel (312), between per two adjacent mandrels (312), draw body (308) to interconnect by leading between quiet frame (107) and the adjacent mandrel; Be not as the criterion with the adjacent component interference when each master draws the shortest length between the pivot of body two ends to be the lath upset, i.e. during lath pressing, the master draws body portion unsettled, and the mutual corresponding master in frame both sides draws body length identical simultaneously; Be provided with frame fixed body (307) in the frame (102), frame fixed body (307) inside is provided with positioning strip (315), and a side of positioning strip (315) is connected with frame fixed body (307) by spring pressuring plate (313); Mandrel (312) is positioned at the slotted opening of frame fixed body (307), is provided with stopper slot at the excircle of each mandrel (312), and positioning strip (315) opposite side compresses stopper slot; The end of mandrel (312) is provided with rotary body (310), and the other end of rotary body (310) is provided with contiguous block (309), connects rotation between adjacent two contiguous blocks (309) and draws body (311); Rotation draws the length between the pivot of body (311) two ends to be corresponding main length of drawing (308) between the pivot of body two ends; As shown in Figure 4, moving frame two ends arrange slide mass (302), and slide mass (302) is slidingly connected with frame fixed body (307), is provided with two buffer springs (411) in the cavity of slide mass (302), is provided with driving body I (408) between two buffer springs; As Fig. 4, shown in 5, slidely connect pulley block (416) respectively at the middle part of two frame fixed bodies (307), the inner face of pulley block (416) is provided with L type crimp, the mandrel (312) at middle part lath (101) two ends passes in pulley block (416) the L type crimp and is connected with freewheel clutch (410) behind the circular hole, and circular hole is slidingly matched in mandrel periphery and pulley block (416) crimp; Be provided with controll block (417) in the top of pulley block (416), controll block (417) is slidingly matched with frame solid (307) slideway, is provided with spacing shelves in controll block (417) top, and spacing gear is on the orbit of driving body I (408); Freewheel clutch (410) excircle place is provided with and surmounts flexible chain, the pulley that an end that surmounts flexible chain (409) is walked around in the pulley block (416) is connected with the below of controll block (417), the other end that surmounts flexible chain (409) is walked around freewheel clutch (410) back and is connected with return spring (415), and the other end of return spring (415) is connected with the below of homonymy pulley block (416).
Shown in Fig. 2 and 3, moving frame is provided with moving main body (301), and moving main body two ends are provided with protecting cover (201), and protecting cover (201) makes each other to be connected by the moving main body (301) of lock-bit spring (304) drawknot, and protecting cover (201) can slide in frame (102); Be provided with quiet main body (603) in the quiet frame (107) simultaneously.
The plate face upgrades driving-chain: as shown in Figure 4, the two ends of two frame fixed bodies (307) are respectively equipped with the axis of guide (306), and an end of quiet main body (603) is provided with reducing motor (405) and drive (404) thereof; Drive (404) excircle is provided with the cog belt (407) with its interlock, and cog belt (407) one ends connect collision block (403), and the other end is connected with main transmission steel strand wires (412); Main transmission steel strand wires (412) pass driving body I (408) after walking around the moving frame end axis of guide (306) of respective side, walk around the two quiet frame end axis of guides (306) successively, another moving frame end axis of guide (306), pass opposite side driving body I (408), walk around a quiet frame end axis of guide (306) again and be connected with tensioned device (402); The other end of tensioned device (402) is connected with collision block (403); Wherein the driving body I (408) in the two frame fixed bodies (307) is fixed on the main transmission steel strand wires (412); Be provided with 2 travel switches (401) at collision block (403) orbit.This kind layout has guaranteed frame both sides driving body I (408) synchronous operation.
Working method:
1) click automatic button (105), or manual flip button (104), reducing motor (405) running;
2) realize that at first lath separates: driving body I (408) is operation upwards, and the buffer spring (411) of lifting top, buffer spring (411) promote slide mass (302) and drive the upwards operation of moving frame (108); Moving frame (108) draws body (308) to spur each mandrel (312) from top to bottom successively by main, mandrel drives upwards operation of each lath (101), pulley block (416) and controll block (417) along the upwards operation of frame fixed body (307) slideway surface, draw body (308) and each rotation to draw body (311) simultaneously strain until each master with mandrel; Move frame, each lath and quiet frame and be separated from each other this moment, out of service at main body (308) the control downslide kinetoplast (302) that draws;
3) realize the lath upset: driving body I (408) continues up, and the buffer spring of top (411) compresses but slide mass (302) is motionless, and pulley block (416) is motionless; Driving body I (408) drives the spacing shelves pulling of controll block (417) and surmounts flexible chain (409), surmounts flexible chain (409) and drives freewheel clutch (410); Rotary body (310) and lath (101) Rotate 180 ° of freewheel clutch on being fixed on this mandrel (312), and draw rotary body on body (311) and each mandrel (312) by each rotation, drive 180 ° of all laths upsets; Positioning strip (315) clamps each mandrel (312) location under spring pressuring plate (313) effect; Collision block (403) on the main transmission steel strand wires (412) touches travel switch (401), and reducing motor reverses;
4) realize the lath pressing: driving body I (408) is descending, and freewheel clutch (410) and controll block (417) are in the playback of return spring (415) effect lower slider; Buffer spring (411) the elongation compression stress of slide block top disappears, and pressing is until moving frame (108) playback successively from the bottom to top for lath (101), and pulley block (416) is with mandrel slip playback;
5) driving body I (408) continues descending, the buffer spring (411) of compression below, buffer spring (411) promotes slide mass (302) downwards, slide mass (302) compresses frame (108), each lath (101) and quiet frame (107) mutually, collision block (403) on the main transmission steel strand wires (412) touches another travel switch (401), the upset motor stops, and finishes blackboard panel and upgrades.
Two, clutch
Shown in Fig. 4 and 6, the power transmission shaft of described reducing motor (405) is provided with clutch (413), is provided with position-limited wheel (406) with the end of the nearest mandrel of clutch (312), and position-limited wheel (406) working face is provided with two open slots; Be provided with the lock dog (414) that can swing at frame fixed body (307), an end of lock dog (414) is provided with boss, and boss and position-limited wheel working face are slidingly connected, and the other end inserts the clutch for clutch control position of clutch (413).This structure guarantees blackboard in plate face renewal process, under the unexpected power-off condition, and the normal use of blackboard.By cooperating of position-limited wheel (406) working face upper shed groove and lock dog (414) boss, have a power failure during pressing fully separately and after the lath upset at lath (101), touch lock dog (414), the lock dog other end can realize that driving-chain separates with main drive gear; Have a power failure when lath overturns, need manually stir one of them lath (101), after driving all laths and finishing upset, lock dog (414) just can be touched, and the lock dog other end can realize that just driving-chain separates with main drive gear.Driving-chain is with after main drive gear separates, and moving frame (108) and each lath (101) satisfy normally carrying out of imparting knowledge to students in deadweight and the playback of slide block upside buffer spring (411) effect lower slider.
Three, the wiper mechanism of blackboard rear side and water circulation mechanism thereof
The structure explanation: as Fig. 7, shown in 8,9, the back side of lath (101) is provided with water brush body (803), and the front end of water brush body is provided with water brush bar (805), and water brush bar (805) outside is provided with aqua storage tank (801); The front end perforate of aqua storage tank (801) is positioned at water brush bar (805) top; Below blackboard, be provided with water tank (106), in water tank (106), be provided with water pump (901), quiet main body downside is provided with connector, water pump is fixed on the quiet main body (603) by connector, water tank (106) arranges fixed mechanism separately and is connected with body of wall, the water side of water pump communicates with a water pipe (701), and the other end of water pipe communicates with aqua storage tank (801); Rear side at quiet frame (107) is provided with water receiving tank (604), and the middle part of water receiving tank (604) communicates by the cavity of mozzle (902) with water tank (106); Wherein the two ends of water brush body (803) are connected with driving body II (703) between slowly-releasing spring (702) by two slowly-releasing springs (702) respectively, and driving body II (703) is fixed on the cleaning driving-chain.Water brush body (803) is provided with the wiper rail (804) that is parallel to the water brush body, and the bottom surface of wiper rail is provided with location-plate (705), and location-plate and aqua storage tank (801) surface is slidingly connected; The two ends of location-plate (705) are respectively equipped with elongated hole or open slot, and the drive block (704) that has the inclined-plane is positioned at this elongated hole or open slot, and the inclined-plane of a side of elongated hole or open slot and drive block (704) is slidingly matched; The two ends of drive block (704) are connected with depression bar (707) respectively, and depression bar runs through the perforate of water brush body outer wall, and are slidingly connected with hole wall; Be respectively equipped with restoring spring (802) at the two ends of location-plate (705), the other end of restoring spring (802) is connected with water brush body (803).
Clean driving-chain: this driving-chain upgrades the driving-chain symmetric arrangement with the plate face, and (motor is arranged in quiet frame left comer side) guarantees the synchronous operation of munnion both sides driving body II (703).
Working method:
1) by starting automatic button (105), after plate face refresh routine is finished, the washing motor, water pump (901) starts simultaneously;
2) driving body II (703) drives upwards operation of water brush body (803), and water drenches and drops down blackboard washing surface, by the trickling downwards of washing surface, the brush bar of the water on the water brush body (803) (805) edge by slit, the cavity front side outflow of aqua storage tank (801); Under the effect of Shui Chong and water brush bar, chalk trace is eliminated, and the chalk particle is taken away by water; Wash water receiving tank (604) and mozzle (902) reflux tank (106) of clean water on quiet main body (603);
3) water brush body (803) runs to the top gradually, drive block (704) is gone up top connector (305) extension that end-post (707) touches frame fixed body (307), at first stop motion, the relative water brush body of the inclined working of drive block (704) moves downwards, arrive the next, namely shown in Figure 8 of water brush body (803); Restoring spring drives wiper rail (804) front end and touches blackboard washing surface; Alignment pin on the locating piece (706) pins drive block (704); Collision block on the washing driving-chain touches travel switch, and motor reverses;
4) water brush body (803) operation downwards, blackboard surface are carried out secondary and are scrubbed, and the scraper plate (806) of wiper rail (804) and bottom thereof is wiped the blackboard surface water off, wipes away dried.Stay moist surface, surface drying;
5) when water brush body (803) progresses into quiet main body (603) water receiving tank (604), drive block (704) end-post (707) down touches water receiving tank (604) surface, at first stop motion; The relative water brush body of the inclined working of drive block (704) is operation upwards, it is upper to arrive the water brush body, drive block (704) working face drives location-plate (705) and drives wiper rail (804) front end disengaging washing surface, and the alignment pin on the locating piece (706) pins drive block (704); Collision block on the driving-chain touches travel switch, and motor stops, and water pump stops, and water-washing process finishes.
After water-washing process finishes, according to the teaching needs, click manual flip button (104), the upset motor just can start, and realizes the writing on the blackboard hidden function.
Water circulation path: the water in the water tank (106) arrives water brush body (803) aqua storage tank (801) through water pipe (701) under water pump (901) drives; In aqua storage tank front end slit, outwards trickling; The soaked brush bar of water logging (805) that trickles and; After water brush bar is scrubbed blackboard, scrub water along the trickling downwards of washing surface, via quiet main body (603) water receiving tank (604), be pooled to mozzle (902), enter water tank (106); Finish a working cycles.
The interior water yield abundance of water tank (106) can leave standstill the long period, and the chalk particle in the washing water can fully precipitate.Pump power is low simultaneously, and is suspended on the water tank middle and lower part by quiet main body (603), with water tank bottom certain distance is arranged, and is less to the agitation force of water.Therefore lay some large aperture materials at water tank bottom, reduce the water stirring and just can satisfy water quality requirement sedimentary influence.
As shown in figure 11, water tank (106) side arranges water level meter (1105), can observe the internal water condition.Independent and the body of wall flexible connection of water tank reduces blackboard load, simultaneously at the cleaning water tank, and renewal, additional clean water, and in the blackboard maintenance process, water tank (106) can be for convenience detach.
Four, the whole displacement mechanism of blackboard and release mechanism
Blackboard integral translation mechanism structure: as Figure 11, shown in 12, on the blackboard both sides respectively have, in, following three wall connecting pieces (1004).Two frame fixed body (307) rear sides respectively have two support arms (1102), and during each support arm (1102) two ends reached with frame fixed body (307) respectively, two wall connecting pieces (1004) flexibly connected down.The formation metope is fixed edge, and metope and blackboard are opposite side, and two support arms (1102) are opposite side, but the parallel four limit row structures of folding.
Driving-chain: the connector of the quiet main body of quiet frame (107) (603) downside is provided with ratchet (1002) and self-locking mechanism (1001), one end of translation steel strand wires I (1003) is fixed and is wrapped on the ratchet turning cylinder, the other end is connected with preloading spring (1006) by steering block in the middle of the quiet frame, and the other end of preloading spring (1006) connects a movable pulley (1007); Translation steel strand wires II (1008) is walked around movable pulley (1007), and an end, is walked around corresponding wall connecting piece bearing pin (1005) and is connected with corresponding frame fixed body (307) by frame fixed body (307) hole through quiet frame end rotating shaft (306); Walk around another quiet frame end rotating shaft (306) after the other end process quiet frame end rotating shaft (306), by another frame fixed body (307) hole, walk around corresponding wall connecting piece bearing pin (1005) back and be connected with corresponding frame fixed body (307).
Blackboard release mechanism structure: frame fixed body (307) rear side is provided with safety door hook (1104), be provided with safety pin (1103) at downside wall connecting piece (1004), when blackboard used in normal teaching, safety door hook (1104) fastened with safety pin (1103); Also be provided with safe slide fastener (1101) at frame fixed body (307) rear side, the other end of safe slide fastener (1101) is connected with upside wall connecting piece (1004), and when blackboard normally used, safe slide fastener all was overhang except two ends.
When blackboard normally used, ratchet (1002) was by movable pulley (1007) tension translation tension steel strand wires II (1008), and through the ratchet self-locking, frame fixed body (307) compresses wall connecting piece (1004), and blackboard is fixed.Through hole after safety pin (1103) insertion wall connecting piece (1004) and safety door hook (1104) cooperate simultaneously.Guaranteed under the situation of driving-chain fracture the safety of blackboard.Need to upgrade consumptive material, during the maintenance blackboard, deenergization unloads lower header (106), extracts safety pin (1103) out, pulls open ratchet (1002) latching member (1001), counterclockwise rotates ratchet (1002).Floating is connected support arm (1102) bearing pin (1005) rotation in wall connecting piece (1004) separately on the blackboard two frame fixed bodies (307), and blackboard integral body is to wall outer side, downward translation.Blackboard moves to correct position, and latching member (1001) is pinned ratchet (1002).Form visible space between blackboard and the body of wall, hand and instrument activity space.At this moment, safe slide fastener (1101) is tightened up, and guarantees under the driving-chain crack conditions safety of blackboard.
The respective handling that present embodiment is done following details and analyze explanation: (1), the lath place's vestige that is laminated; (2), bulk strength; (3), infiltration; (4), consumptive material upgrades; (5), blackboard noise; (6), material antiseptic; (7), production cost; (8), install; (9), general safety and ornamental.
(1) the lath place's vestige that is laminated
By the correction to the lath extrusion die, the mutual location of the fine finishining of lath correlation surface and lath (101) emboss pit when being laminated, plate face pressing place trace width can be controlled in the 0.2mm.Blackboard is shade, with vestige part color similarity.The people of normal vision beyond 1.5 meters, discover less than.And in 1.5 meters, because of lath depth of section unanimity, cross direction profiles is even, and is slightly larger than normal letter written with chalk height, for controlling font size and row to playing standardization role, does not also influence the visual effect of plate face.
(2) bulk strength
Lath is the closed housing structure, increased the performance of material, moving frame (108) and adjacent lath (101), be laminated between lath (101) and adjacent lath (101) and quiet frame (107) and adjacent lath (101), moving frame has mutual fastening projection or groove between lath and quiet frame at the contact-making surface place, as shown in Figure 8, by its fastening, be connected as a single entity each other, increased the bulk strength of material.The positive center of blackboard is its weak spot.If write letter written with chalk with 10 newton's normal force herein, blackboard is whole by long 2.7 meters, and is high 1.2 meters, and the lath cross section is by high 100mm, wide 35mm, the 6063-T5 aluminium section bar is adopted in wall thickness 1.0mm design, as calculated, amount of deflection herein can satisfy the teaching requirement less than 0.5mm.Water brush body (by designing with the lath same ratio in the accompanying drawing 8) its intensity as calculated can also satisfy instructions for use.
(3) infiltration
As shown in Figure 8, the lath stitching surface adopts projection and the groove structure that fastens mutually; Smear not treating substance of water such as paraffin at stitching surface; The design of sheet material stitching surface has the angle of flow path direction against the current; The power that is laminated between lath; By 2 U-shaped cavitys that become 90 ° inner concave to form with stitching surface, the interior air-flow of cavity is unobstructed, no negative pressure in lath stitching surface design.These factors shorten the degree of depth that water can soak into, and stop water to trickle to writing surface, infiltration.From the water that aqua storage tank (801) flows out, hydraulic pressure is very low, and water can not flow to the clipboard face.
Between lath (101) both sides and frame fixed body (307) for movingly.Have part water to the trickling of writing surface direction, but lath (101) is wideer relatively, the stitching surface in the cross section between lacing wire and two laths all arranges flow path direction inclination angle against the current, and this part water flows to washing face again.
As shown in Figure 6, this Analysis of Nested Design mainly seeps water and a little stitches bottom for lath (101) both sides are connected with munnion fixed body (307), and its horizontal direction is quiet main body (603) upper surface.At this processing draining inclination angle, make water can flow to quiet main body (603) water receiving tank (604) smoothly.Allow part current frames in meditation (107) inner surface herein near reaching, to the middle part trickling, through intermediate openings, enter water tank (106).Dye circuit for anti-part water logging here, at quiet main body (603) suitable position, drip cloth (602) is set.For preventing quiet frame and frame seam crossing generation seepage, two ends arrange antiseepage cushion block (601) in quiet frame (107).
(4) renewal of consumptive material
The main consumptive material of this Analysis of Nested Design is water brush bar (805), wipes strip (804), and it is mainly two kinds of materials forms, with the blackboard contact site be sponge, flexible materials such as chemical fibre and hairbrush are attached on the rubber bodies.Rubber is fixed in the section bar draw-in groove by the evagination part.Flexible material uses through long-term, after the wearing and tearing, can upgrade.
Renewal process: unload lower header (106), the blackboard integral translation is to correct position (as shown in figure 12).Extract water brush body both sides connecting pins (708) (as shown in Figure 7) out, unload water brush body (803) (move with the water brush body flexible water conduit end that is connected on the water brush body).In the draw-in groove of water brush body and positioning body section bar, take off water brush bar (805), wipe strip (804).Reverse operating is finished installation process.
(5) blackboard uses noise
Each mechanism of cover the design all adopts the flexible transmission chain that is provided with take up member, drives lath both sides mechanism kinematic simultaneously; Between each mechanism, all flexibly connect between each main member simultaneously, elimination is expanded with heat and contract with cold, and the assembling applied stress; Adopt super-silent water pump and motor reducer, smear lubricating grease at sliding position.This blackboard is in small-power, and low speed is worked under the low hydraulic pressure, guarantees the quiet of teaching environment.
(6) material is anticorrosion
The design, each main material all can be after machining, spraying, assembling.Blackboard surface spraying blackboard paint, water brush bar and wiper rail are flexible material, and to contact pressure little with the blackboard surface, and it is little to wear and tear, and can satisfy instructions for use.The all surface that water can be contaminated does not have the spraying blind area.Each securing member, spring draws body, and steel strand wires adopt stainless steel.Be with synchronously, corner protector is chemical products.
(7) production cost
This blackboard, each main material is extrudate, takes full advantage of its cavity body structure, reduces material cost and reduces processing charges simultaneously.Also manufacture of materials such as color steel, plastic-steel, nylon can be adopted, material cost can be further reduced.Water tank, angle connector, mandrel, rotary body, the processing of annex molds such as corner protector, mould is reusable.Steel strand wires, spring, cog belt draws body, and jump rings etc. are easily purchases material at a low price.Motor, water pump is the compact low power product, and is with low cost.Processing factory only need use mini-plant, can finish whole work.
(8) install
Be connected by the draw-in groove structure between frame buckle closure and main body, after the main body assembling is finished, each transmission mechanism be installed, water brush body and water pipe, circuit, through unified debugging, protecting cover (201) is installed in the performance acceptance(check) at last, frame buckle closure and corner protector (103).
(9) general safety and ornamental
Whole blackboard, compact conformation has compressed non-board of education face and has taken up room, transmission, the water circulation, mechanism part such as distribution are hidden in frame and the water tank, do not have exposed securing member, install satisfied, have improved decorative effect in the time of maintenance.Downside two bights arrange the corner protector (103) that flexible material is made, and simultaneously by the setting of safety door hook and safe slide fastener, improve the overall security of blackboard.
Present embodiment can be done further improvement and perfect as required, such as: between blackboard and body of wall, add fan or heating facility, increase the surperficial air of washing and flow, accelerate surface drying time; In water tank, add the water filtration facility, improve the clean level of washing clean water, prolong and change the water time; Increase the supplemental support of floating at the moving frame of blackboard and quiet frame rear side, further improve the blackboard bulk strength; Blackboard dorsal part water washing mechanism changes dry type into and wipes mechanism, increases dust removal installation; Lath is arranged vertically the blackboard splicing arranges chalk holder at water tank, etc.
Claims (10)
1. a strip type overturns automatically and carries on the back clean blackboard, mainly by the plate face, framework around the plate face and power input mechanism are formed, and it is characterized in that: the plate face is made up of a plurality of horizontally disposed laths (101), and adjacent lath has projection or the groove of mutual fastening at the contact-making surface place; The moving frame (108) that the frame (102) that the quiet frame (107) that framework is arranged by bottom level, plate face both sides vertically arrange and upper horizontal arrange is formed; Be respectively equipped with more new mechanism of plate face in two frames (102), moving frame two ends are respectively equipped with slide mass (302), and the two ends of lath are respectively equipped with mandrel (312), slide mass (302) and mandrel (312) respectively with the plate face more new mechanism be connected; The driving body I (408) that can move along frame (102) length direction is set respectively in two frames (102), driving body I (408) driven by power input mechanism and with the plate face more new mechanism be connected.
2. strip type as claimed in claim 1 overturns automatically and carries on the back clean blackboard, it is characterized in that: described plate face more new mechanism is made up of translation mechanism and switching mechanism, wherein the translation mechanism structure is: be respectively equipped with buffer spring (411) in described two frames, driving body I (408) is connected with slide mass (302) by buffer spring (411); In frame (102), be provided with frame fixed body (307), slide mass (302) and mandrel (312) and frame fixed body (307) are slidingly connected, between moving frame (108) and the adjacent mandrel (312), between per two adjacent mandrels (312), draw body (308) to interconnect by leading respectively between quiet frame (107) and the adjacent mandrel (312).
3. strip type as claimed in claim 1 overturns automatically and carries on the back clean blackboard, it is characterized by: described plate face more new mechanism is made up of translation mechanism and switching mechanism, wherein the switching mechanism structure is: be provided with docking mechanism and frame fixed body (307) in the frame, docking mechanism and frame fixed body (307) are slidingly matched, the end of each mandrel (312) is respectively equipped with rotary body (310), all rotary bodies (310) that are positioned at lath the same side are arranged in parallel, adjacent rotary body (310) draws body (311) to interconnect by rotation, and docking mechanism is driven by driving body I (408) and is connected with one of them mandrel (312).
4. strip type as claimed in claim 1 overturns automatically and carries on the back clean blackboard, it is characterized by: described power input mechanism, its structure is: be provided with reducing motor (405) in described frame (102) or the quiet frame (107), the two ends of frame fixed body (307) are respectively equipped with the axis of guide (306) in frame (102), the power transmission shaft of reducing motor is provided with drive (404), the drive excircle is provided with the cog belt (407) with its interlock, and cog belt one end is connected with main transmission steel strand wires (412); Main transmission steel strand wires (412) pass driving body I (408) after walking around the moving frame end axis of guide (306) of respective side, after walking around the quiet frame two ends axis of guides (306) and moving another axis of guide of frame end (306) successively, be passed down through opposite side driving body I (408), walk around a quiet frame end axis of guide (306) again and be connected with the other end of cog belt (407), form closed driving-chain; Driving body I (408) and main transmission steel strand wires (412) are for fixedlying connected; In main transmission steel strand wires (412) end or inner the insertion be connected with tensioned device (402) and collision block (403); Be provided with travel switch (401) at collision block (403) orbit.
5. strip type as claimed in claim 3 overturns automatically and carries on the back clean blackboard, it is characterized by: described docking mechanism structure is: slidely connect pulley block (416) on two frame fixed bodies (307) respectively, the inner face of pulley block (416) is provided with L type crimp, the mandrel (312) at middle part lath (101) two ends passes in pulley block (416) the L type crimp and is connected with freewheel clutch (410) behind the circular hole, and circular hole is slidingly matched in mandrel periphery and the crimp; Be provided with controll block (417) in the top of pulley block (416), controll block (417) is slidingly matched with frame solid (307), is provided with limiting block in controll block (417) top, and limiting block is positioned on the orbit of driving body I (408); Freewheel clutch (410) excircle place is provided with and surmounts flexible chain, an end that surmounts flexible chain (409) is connected with the below of controll block (417), the other end that surmounts flexible chain (409) is walked around freewheel clutch (410) back and is connected with return spring (415), and the other end of return spring (415) is connected with the below of homonymy pulley block (416).
6. strip type as claimed in claim 4 overturns automatically and carries on the back clean blackboard, it is characterized in that: described power input mechanism is provided with clutch, its structure is: the power transmission shaft of described reducing motor (405) is provided with clutch (413), and the mandrel nearest with clutch (312) end is provided with position-limited wheel (406); Be provided with the lock dog (414) that can swing at frame fixed body (307), an end of lock dog (414) and the sliding-contact of position-limited wheel working face, lock dog (414) other end inserts the clutch for clutch control position of clutch (413).
7. strip type as claimed in claim 1 overturns automatically and carries on the back clean blackboard, it is characterized in that: described framework is provided with whole displacement mechanism, its structure is: be provided with frame fixed body (307) in frame (102), two frame fixed body (307) rear sides respectively have two support arms (1102), and each support arm (1102) two ends flexibly connect with frame fixed body (307) and wall connecting piece (1004) respectively; Quiet frame (107) downside is provided with ratchet (1002) and self-locking mechanism (1001), the end of translation steel strand wires I (1003) is fixed and is wrapped on the turning cylinder of ratchet, the other end is connected with preloading spring (1006) by steering block in the middle of the quiet frame, and the other end of preloading spring (1006) connects a movable pulley (1007); Translation steel strand wires II (1008) is walked around movable pulley (1007), one end is through quiet frame end rotating shaft (306), by frame fixed body (307) hole, the bearing pin of walking around on the corresponding wall connecting piece (1004) (1005) is connected with corresponding frame fixed body (307); Walk around another quiet frame end rotating shaft (306) after the other end process quiet frame end rotating shaft (306), by another frame fixed body (307) hole, bearing pin (1005) back of walking around on the corresponding wall connecting piece (1004) is connected with corresponding frame fixed body (307).
8. strip type as claimed in claim 7 overturns automatically and carries on the back clean blackboard, it is characterized in that: whole displacement mechanism is provided with general safety mechanism, its structure is: described frame fixed body (307) rear side is provided with safety door hook (1104), be provided with safety pin (1103) at wall connecting piece (1004), safety door hook (1104) fastens with safety pin (1103); Be provided with safe slide fastener (1101) at frame fixed body (307) rear side, the other end of safe slide fastener (1101) is connected with wall connecting piece (1004).
9. strip type as claimed in claim 1 overturns automatically and carries on the back clean blackboard, it is characterized in that: the described plate face back side is provided with water brush mechanism, its structure is: the back side of lath (101) is provided with water brush body (803), the front end of water brush body (803) is provided with water brush bar (805), water brush bar (805) outside is provided with aqua storage tank (801), and the front end perforate of aqua storage tank (801) is positioned at water brush bar (805) top; Be provided with water tank (106) below the plate face, be provided with water pump (901) in water tank (106), the water side of water pump (901) communicates with a water pipe (701), and the other end of water pipe (701) communicates with aqua storage tank (801); The two ends of water brush body (803) are connected with the cleaning transmission device respectively.
10. strip type as claimed in claim 9 overturns automatically and carries on the back clean blackboard, it is characterized in that: water brush mechanism is provided with to wipe away does mechanism, its structure is: described water brush body (803) is provided with the wiper rail (804) that is parallel to water brush bar (805), the bottom surface of wiper rail (804) is provided with location-plate (705), and location-plate (705) is slidingly connected with aqua storage tank (801) surface; The two ends of location-plate (705) are respectively equipped with elongated hole or open slot, and the drive block (704) that has the inclined-plane is positioned at this elongated hole or open slot, and the inclined-plane of a side of elongated hole or open slot and drive block (704) is slidingly matched; The two ends of drive block (704) are connected with depression bar (707) respectively, and depression bar runs through the perforate of water brush body outer wall, and are slidingly connected with hole wall; Be respectively equipped with restoring spring (802) at the two ends of location-plate (705), the other end of restoring spring (802) is connected with water brush body (803).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310099189.XA CN103192630B (en) | 2013-03-26 | 2013-03-26 | Batten type automatic overturning back cleaning blackboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310099189.XA CN103192630B (en) | 2013-03-26 | 2013-03-26 | Batten type automatic overturning back cleaning blackboard |
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| Publication Number | Publication Date |
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| CN103192630A true CN103192630A (en) | 2013-07-10 |
| CN103192630B CN103192630B (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310099189.XA Expired - Fee Related CN103192630B (en) | 2013-03-26 | 2013-03-26 | Batten type automatic overturning back cleaning blackboard |
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Cited By (4)
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| CN104275968A (en) * | 2014-10-27 | 2015-01-14 | 西安理工大学 | Blackboard |
| CN104442113A (en) * | 2014-11-12 | 2015-03-25 | 孝感市奇思妙想文化传媒有限公司 | Louvered blackboard capable of cleaning automatically |
| CN106626916A (en) * | 2017-01-24 | 2017-05-10 | 南京工业职业技术学院 | Remote-controlled rotary automatic erasing blackboard |
| CN112790141A (en) * | 2021-01-11 | 2021-05-14 | 重庆文理学院 | Indoor breeding equipment for carps without specific pathogens |
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| CN104442113A (en) * | 2014-11-12 | 2015-03-25 | 孝感市奇思妙想文化传媒有限公司 | Louvered blackboard capable of cleaning automatically |
| CN106626916A (en) * | 2017-01-24 | 2017-05-10 | 南京工业职业技术学院 | Remote-controlled rotary automatic erasing blackboard |
| CN112790141A (en) * | 2021-01-11 | 2021-05-14 | 重庆文理学院 | Indoor breeding equipment for carps without specific pathogens |
| CN112790141B (en) * | 2021-01-11 | 2022-10-21 | 重庆文理学院 | Indoor breeding equipment for carps without specific pathogens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103192630B (en) | 2015-01-14 |
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