CN2688512Y - Structural improvement of blackboard eraser machine - Google Patents

Abstract

The utility model relates to a structural improvement of blackboard eraser machine which is provided with two motor driving devices in the movable hand machine body. A motor rotating shaft can drive a driving screw with a reverse spiral flute to make unidirectional rotation via a worm set deceleration, making the reverse spiral flute drive a brush hair seat to slide in reciprocating line type and increasing the dust scraping efficiency of the blackboard eraser. The same motor rotating shaft also drives the centrifugal blade wheel to rotate at high speed, absorbing the dust in a chamber in the machine body. The dust of the blackboard eraser is in a collecting box via absorbing and scraping and dumped by outward extracting the collecting box. The outer face of the casing of the chamber is provided with a plugging hole of a dust pipe, and the plugging hole is in the closed state via an elastic blocking piece. When the dust pipe plugs in the chamber, the elastic blocking piece is jacked up, and the dust pipe effects the function of dust absorption and can absorb and clean the dust in the dust slot under the blackboard. The utility model has simple structure, convenient operation, and efficiency of well dust scraping effect of blackboard eraser.

Description

The blackboard erasing machine structural improvement

Technical field

The utility model is relevant a kind of blackboard erasing machine structural improvement, especially finger is a kind of can be provided with a motor actuator in the body of portable activity one, and the driving screw that utilizes this motor shaft to drive a tool reverse screw channel is on the one hand made one-directional rotation, by being reciprocating type wire slip to drive a hair brush base, effectively to strike off powder ash on the blackboard eraser, can drive centrifuge blade wheel high speed rotating on the other hand again, make in body and form pick-up performance in the chamber, by striking off back powder ash in a collection receipts box to inhale collection, and can cooperate a sweep-up pipe to insert again and be communicated in this chamber, and have dust-absorbing function, and reach designs simplification, simple operation, and blackboard eraser powder ash strikes off respond well and has the use effect of dust-absorbing function again.

Background technology

Blackboard is one of main tool of teaching use, and the user utilizes chalk and blackboard eraser to scribble on blackboard or wiping.But can produce a large amount of powder ashes in using, or descend slowly and lightly in blackboard powder ash-pit or the ground, or be stained with and stay on the blackboard eraser, especially after repeatedly using blackboard eraser, often need to pat earlier blackboard eraser and smear the powder ash with clear board, the beginning can reach preferable wiping effect; Therefore and,, be easy to cause the powder ash to fly upward everywhere when when removing blackboard powder ash-pit or beating blackboard eraser because powder ash be light small-particle, not only easy-clear is unclean, and hinders surrounding environment and health, causes the inconvenience in the use and regrets.And at the removing problem of blackboard eraser powder ash, though the design of existing blackboard erasing machine on the market, strike off powder ash on the blackboard eraser by electric device on the blackboard erasing machine, to replace general beating action, though can solve the subproblem that the powder ash flies upward everywhere, but ideal is not attained in the design of existing blackboard erasing machine, big or structure is complicated as volume, or strike off action and can't not strike off powder ash on the blackboard eraser effectively really, maybe can only strike off powder ash on the blackboard eraser and can't remove blackboard powder ash-pit, or inconvenient operation or the like, the needs of improvement are again arranged in fact.

The utility model content

Main purpose of the present utility model is to provide a kind of blackboard erasing machine structural improvement, it is can in the body of portable activity a motor actuator be set in one, this motor shaft is slowed down by worm screw group make one-directional rotation with the driving screw that drives a tool reverse screw channel, and the cross-over design by reverse screw channel on this driving screw, make the one-directional rotation of driving screw but can drive a hair brush base and be reciprocating type wire and slide, smear the efficient of striking off of powder ash with riser.

The utility model purpose again is to provide a kind of blackboard erasing machine structural improvement, it further utilizes this motor shaft and drives centrifuge blade wheel high speed rotating, make in the body of blackboard erasing machine and form pick-up performance in the chamber, receive in the box at a collection will inhaling collection from the powder ash that strikes off on the blackboard eraser, and can and outwell by this collection receipts box of outer extraction, with the convenience of simplified structure and lifting operation.

The another purpose of the utility model is to provide a kind of blackboard erasing machine structural improvement, it further is provided with one for the sheathed inserting hole of sweep-up pipe on the shell surface to chamber that should tool cloth pick-up performance, this inserting hole is not to be air-tight state by an elasticity blocking sheet when using, after utilizing a sweep-up pipe that matches to be inserted in this inserting hole, catch can back down this elasticity blocking sheet in the joint of sweep-up pipe, the pick-up performance of this chamber is extended on the sweep-up pipe, make sweep-up pipe absorb peace and quiet operation the powder ash on the blackboard powder ash-pit.A kind of blackboard erasing machine structural improvement comprises;

One body, it is made up of upper and lower casing, and its inside is distinguished into forward and backward two chambers by a shim, and draws and be connected to a power line, uses for external power supply;

One blackboard eraser posting port, it is provided in a side of on the side of upper shell upper side, inserts down with wiping surface for blackboard eraser, and the enclosing cover that is pivoted above this posting port, after blackboard eraser was inserted, this enclosing cover can cover above blackboard eraser and the compacting blackboard eraser, and this enclosing cover can be by an elasticity button button and press-started again;

One handgrip, it is a ㄇ shape ring-type handgrip, is hubbed on another side of upper side, uses for portable body;

One motor actuator, it is provided in a side of in the rear chamber, comprise a motor fixing base, a motor, a rotating shaft, centrifuge blade wheel and worm screw group, and drive centrifuge blade wheel high speed rotating by this motor shaft, and the centrifuge blade wheel is positioned at the shim rear, and makes the passage of the center air inlet openings aligning shim of centrifuge blade wheel, when making centrifuge blade wheel high speed rotating, can draw the air of front chamber from passage, and make front chamber form pick-up performance;

One movable collection is received box, it is provided in a side of in the front chamber, can slide on the slide rail in front chamber, and can extract out outward or insert by the body leading flank, after collection receipts box is inserted front chamber again, can push against on the ventilation orifice ring periphery of shim by an anti-drain gasket, make this passage and collection receive that a corresponding passage is communicated with on the box, and collection receipts box upper vent hole inboard is provided with screen pack, to prevent that collecting the powder ash of drawing in the receipts box enters rear chamber, collection is received the close lid one movable upper cover plate in box top again, and this upper cover plate is provided with a funnel-form air entry, and this air entry is provided with an elasticity windage sheet;

One scrapes ash bears box, it is provided in a side of blackboard eraser posting port inboard, its bottom surface is provided with an air entry, this air entry is and collects the corresponding driving fit of air entry of receiving the box cover plate and be communicated with, be provided with a guide rod and a driving screw to striding before and after again in its box, and driving screw is by the motor shaft transmission, which is provided with two reverse screw channels, and two reverse screw channels are intersected with each other at driving screw, and form a horn shape crosspoint at two ends end to end of driving screw, cooperate a movable guide block again in the screw channel, and link a hair brush base on the guide block again, and hair brush base is to be set in to slide on the guide rod, when making the driving screw one-directional rotation, can make a unidirectional linearity by screw channel driving guide block and hair brush base moves, and when guide block moved to the horn shape crosspoint of driving screw one end, guide block can change to advance in another reverse screw channel at this place, crosspoint, proceeded reverse linear to move, slide to form sagittal reciprocating type wire, make bristle on the hair brush base carry out the two-way action of striking off the blackboard eraser of blackboard eraser posting port;

One inserting hole, it is provided in a side of a side of body, and extends to internal body and to scrape the side through hole that ash bears box, makes inserting hole and scrapes ash and bear the box internal communication, and its inside opening outer rim is provided with one and has elastic reset function bullet blocking sheet again;

One sweep-up pipe, it is a hose construction, its joint is inserted in the inserting hole, and backs down the blocking sheet simultaneously and make and scrape ash and bear that box is inner to be communicated with sweep-up pipe.

Described blackboard erasing machine structural improvement is wherein established switch and light emitting diode lamp on the upper side of this upper shell, controls the behaviour in service of blackboard erasing machine to cooperate inner set circuit board arrangement.

Described blackboard erasing machine structural improvement wherein can be provided with the elasticity location sphere on this front chamber's inner bottom surface, after making collection receive box to slip into front chamber, lives and stops on the anchor point by this elasticity location sphere contact.

Described blackboard erasing machine structural improvement, the blocking sheet that wherein is located at inserting hole inside opening outer rim is to be set in one to contact on the bar, contacting bar is controlled by an elastic component again, and in sweep-up pipe is not inserted in inserting hole the time, this blocking sheet enclosed elastic is lived inside opening and is air-tight state, and in sweep-up pipe is inserted in inserting hole the time, a center catch can promote to contact bar and inwardly make the elastic component compression in the pipe joint of sweep-up pipe, makes to contract in the blocking sheet and leave inside opening.

Described blackboard erasing machine structural improvement, wherein establishing driving screw is by the motor shaft transmission, and this motor shaft is to drive worm screw group earlier, and the worm screw group drives a helical gear coaxial rotation, and this helical gear again with the driving screw rotating shaft on a helical gear meshing, make the high speed rotating of motor shaft get the deceleration transmission driving screw and slowly run.

Described blackboard erasing machine structural improvement, wherein this body bottom surface extra locking one base plate and protruding button make body can be seated in a bolster of setting up, and convexedly stretch on the bolster outside the perforation, to live by the lockset snap close by protruding button.

Description of drawings

Fig. 1 is the three-dimensional appearance schematic diagram of the utility model one embodiment;

Fig. 2 is the utility model one three-dimensional (blast) schematic diagram that decomposes;

Fig. 3 is the local enlarged diagram of body upper of the present utility model;

Fig. 4 is the perspective exploded view of internal body of the present utility model;

Fig. 5 is the perspective exploded view of sweep-up pipe of the present utility model part;

Fig. 6 is the local enlarged diagram of the driving screw of the utility model tool reverse screw channel.

The specific embodiment

Now cooperate the graphic of preferred embodiment, after structure of the present utility model and functional character thereof are illustrated in.

See also shown in Fig. 1,2, blackboard erasing machine 1 of the present utility model mainly comprises a body 10, and this body 10 is to constitute a size suitably and structure that can portable activity by upper shell 11 and lower house 12; And establish tool one inserting hole 13 in body 10 sides, can be for a sweep-up pipe 14 by being inserted in outward in the inserting hole 13, and have pick-up performance (repeating after the appearance); And body 10 and draw and be connected to a power line 15 uses for external power supply.

Please consult shown in Figure 3 simultaneously, establish tool one blackboard eraser posting port 111 at a side of upper shell 11 upper sides 110, insert down with wiping surface for blackboard eraser 2, the enclosing cover 112 and these blackboard eraser posting port 111 tops are pivoted, after making blackboard eraser 2 insert this posting port 111, enclosing cover 112 can cover above blackboard eraser 2 and flush with upper side 110, and compacting blackboard eraser 2 strikes off operation in order to the powder ash downwards on the one hand, can promote the attractive in appearance of body 10 on the one hand; And the ㄇ shape ring-type handgrip 113 that is pivoted on upper side 110 another sides, for can portable body 10 activities using; And LED (light emitting diode) indicator lamp 115 that can establish tool switch 114 and be correlated with in addition on the upper side 110, but control panel is wiped the behaviour in service of machine 1 to cooperate inner set circuit board arrangement 116, as when using, open switch 114 earlier, and when enclosing cover 112 covers, activate automatically, and shutdown automatically behind a certain setting-up time, allow the user be convenient to operation; Enclosing cover 112 can be pushed the back unlatching by an elasticity button button 117 again, for inserting blackboard eraser 2.

Please consult shown in Figure 4 simultaneously, body 10 inside between upper and lower casing 11,12 are to be distinguished into forward and backward two chambers 17,18 by a shim 16, wherein, in rear chamber 18, establish tool one motor actuator 20, comprise a motor fixing base 21, a motor 22, a rotating shaft 23, centrifuge blade wheel 24 and one worm screw group 25; And the rotating shaft 23 driving centrifuge blades of this motor 22 are taken turns 24 high speed rotating, and centrifuge blade wheel 24 is positioned at shim 16 rears, and the center INO Intake Open 241 that makes centrifuge blade wheel 24 is aimed at the passage 161 of shim 16, and when centrifuge blade is taken turns 24 high speed rotating, can draw the air of front chamber 17 from passage 161, and make front chamber 17 form pick-up performance.Receive box 30 and a movable collection is set in the front chamber 17, it is slips on the bottom surface slide rail 171 in front chamber 17 that this collection is received box 30, and can outwards extract out or insert from body 10 leading flanks; And after collection receives box 30 and slip into front chamber 17, can stop on the anchor point by the contact of the elasticity location sphere 172 on front chamber's 17 inner bottom surfaces, and can push against on passage 161 ring peripheries by an anti-drain gasket 32, make passage 161 and collection receive that corresponding passage 301 is communicated with on the box 30, tool screen pack 31 is then established in passage 301 inboards, to prevent that collecting the powder ash of receiving absorption in the box 30 enters rear chamber 18; And collection is received the close lid one movable upper cover plate 33 in box 30 tops, and this upper cover plate 33 is provided with a funnel-form air entry mouth 331, on this air entry mouth 331 and set an elasticity windage sheet 34.

Please consult shown in Figure 5 simultaneously again, be provided with one scrapes ash and bears box 40 in blackboard eraser posting port 111 inboards, this is scraped the bottom surface that ash bears box 40 and is provided with a funnel-form air entry 401 corresponding to air entry 331, but makes air entry 401 cover caps in the last outer edge surface of air entry 331 and form connection; Stride to (vertically) before and after bearing in the box 40 and be provided with a guide rod 41 and a driving screw 42 and scrape ash, and the rotating shaft of driving screw 42 is by by a helical gear 43 transmissions, cooperate a movable guide block 44 again on the driving screw 42, and guide block 44 links a hair brush base 45 again, and hair brush base 45 is to be set on the guide rod 41; When guide block 44 is mobile by driving screw 42 rotations, can drive hair brush base 45 and on guide rod 41, produce front and back to (vertically) same moved further, make the bristle 451 on the hair brush base 45 can carry out the action of striking off of powder ash to the wiping surface of blackboard eraser 2.

Please consult shown in Fig. 2,4,5,6 again, rotating shaft 23 other ends of this motor 22 are to drive worm screw group 25, and drive a helical gear 251 coaxial rotation by worm screw group 25, and this helical gear 251 be with driving screw 42 rotating shafts on helical gear 43 engagement, make the high speed rotating of motor shaft 23 get deceleration transmission driving screw 42 and slowly run, be beneficial to strike off the carrying out of action.And driving screw 42 is provided with two reverse screw channels 421,422, and two reverse screw channels 421,422 are intersected with each other on driving screw 42, and forms a horn shape crosspoint 423 at the two ends end to end of driving screw 42; And guide block 44 can be by neck 441 blocks in the middle of it in hair brush base 45, and can vertical center axis be that rotate in the axle center, and make its bottom 442 angle changing and imbedding on the driving screw 42 in the screw channel 421 (422); Then when driving screw 42 is made one-directional rotation, before can driving guide block 44 and do by this screw channel 421 (422) with hair brush base 45 (back) to linearity move, and when guide block 44 moves to the horn shape crosspoint 423 of driving screw 42 1 tail ends, guide block 44 can be in these 423 places, crosspoint can change into another screw channel 422 (421), proceed the back (preceding) to reverse linear move, form sagittal reciprocating type wire and slide, what make powder ash on 451 pairs of blackboard erasers 2 of bristle strikes off the action efficient that is increased.

Please consult shown in Fig. 1,3,5, tool one inserting hole 13 is established in the side of body 10 again, and this inserting hole 13 is to extend to body 10 inside to scrape the through hole 402 that ash bears box 40, makes inserting hole 13 and scrapes the internal communication that ash bears box 40; Inserting hole 13 inside openings 131 outer rims are provided with a blocking sheet 132 again, this blocking sheet 132 can and contact bar 134 controls by an elastic component 133, and has the elastic reset function, in the time of in sweep-up pipe 14 is not inserted in inserting hole 13, but these blocking sheet 132 enclosed elastics are lived inside opening 131 and are air-tight state, and inserting hole 13 is hedged off from the outer world; And in sweep-up pipe 14 is inserted in inserting hole 13 time, center catch (not shown) can promote to contact bar 134 inwardly and make elastic component 133 compressions in the pipe joint 141 of sweep-up pipe 14, and blocking sheet 132 can in contract and leave inside opening 131, make and scrape ash and bear that box 40 is inner to be communicated with sweep-up pipe 14, by having dust-absorbing function with the simple and easy sweep-up pipe 14 that makes.

In addition, for considering blackboard erasing machine 1 actual convenience and the anti-theft that uses, the body 10 bottom surfaces base plate 19 that can additionally lock, to cooperate the bolster of setting up 50 to use, this bolster 50 can lock earlier on the other wall of blackboard, form a fixture, can be seated on the bolster 50 for blackboard erasing machine 1, and can set up a protruding button 191 on body 10 bottom surfaces, and convexedly stretch in downwards outside the perforation 192 of base plate 19, when blackboard erasing machine 1 is seated on the bolster 50, can makes on the also corresponding bolster 50 of protruding button 191 perforation 51 and convexedly stretch in downwards outside the perforation 51, for giving snap close by lockset again, can reach anti-theft feature by bolster 50 bottom surfaces.

During use, the user opens switch 114 earlier, and enclosing cover 112 is raised by compression elasticity button button 117, the blackboard eraser 2 of putting into existing powder ash again is at posting port 111 places, blackboard eraser 2 wiping surfaces are resisted against on the bristle 451 of hair brush base 45, again enclosing cover 112 is pushed and covered, then motor 22 activates, and make bristle 451 back and forth strike off powder ash on blackboard eraser 2 wiping surfaces, and the powder ash is aspirated simultaneously downwards, enter collection receives in the box 30 through air-breathing 401 and air-breathing 331, treat that motor 22 stops through behind the setting-up time, by compression elasticity button button 117 enclosing cover 112 is raised again, take out the powder ash blackboard eraser of scraped clean again, strike off operation automatically and finish the powder ash; Can take sweep-up pipe 14 in addition and be inserted in the inserting hole 13, and by handgrip 113 portable whole blackboard erasing machines 1, to absorb the powder ash on the peace and quiet blackboard powder ash-pit; Can receive box 30 and outwell powder ashes in the collection receipts box 30 by this collection of outer extraction again; Then by said structure, make blackboard erasing machine 1 designs simplification, and simple operation, and it is respond well that blackboard eraser powder ash is struck off, and again can easy plant sweep-up pipe 14 and carry out the dust suction operation.

Claims (6)

1, a kind of blackboard erasing machine structural improvement is characterized in that, comprises;

One body, it is made up of upper and lower casing, and its inside is distinguished into forward and backward two chambers by a shim, and draws and be connected to a power line;

One blackboard eraser posting port, it is provided in a side of on the side of upper shell upper side, and an enclosing cover is pivoted above this posting port;

One handgrip, it is a ㄇ shape ring-type handgrip, is hubbed on another side of upper side;

One motor actuator, it is provided in a side of in the rear chamber, comprises a motor fixing base, a motor, a rotating shaft, centrifuge blade wheel and worm screw group;

One movable collection is received box, it is provided in a side of in the front chamber, slide on the slide rail in front chamber, extract out outward or insert by the body leading flank, collection is received box and is inserted front chamber, push against on the ventilation orifice ring periphery of shim with an anti-drain gasket, make this passage and collection receive that a corresponding passage is communicated with on the box, be provided with screen pack and collect receipts box upper vent hole inboard; Collection is received the close lid one movable upper cover plate in box top, and this upper cover plate is provided with a funnel-form air entry, and this air entry is provided with an elasticity windage sheet;

One scrapes ash bears box, it is provided in a side of blackboard eraser posting port inboard, its bottom surface is provided with an air entry, this air entry is and collects the corresponding driving fit of air entry of receiving the box cover plate and be communicated with, be provided with a guide rod and a driving screw to striding before and after again in its box, and driving screw is connected with motor, which is provided with two reverse screw channels, and two reverse screw channels are intersected with each other at driving screw, and form a horn shape crosspoint at two ends end to end of driving screw, cooperate a movable guide block again in the screw channel, and link a hair brush base on the guide block again, and hair brush base is to be set in to slide on the guide rod, and the driving screw one-directional rotation is made a unidirectional linearity by screw channel driving guide block and hair brush base and moved; And when guide block moves to the horn shape crosspoint of driving screw one end, guide block changes to advance in another reverse screw channel at this place, crosspoint, proceed reverse linear and move, slide, make bristle on the hair brush base carry out the two-way action of striking off the blackboard eraser of blackboard eraser posting port to form sagittal reciprocating type wire;

One inserting hole, it is provided in a side of a side of body, and extends to internal body and to scrape the side through hole that ash bears box, makes inserting hole and scrapes ash and bear the box internal communication, and its inside opening outer rim is provided with one and has elastic reset function bullet blocking sheet again;

One sweep-up pipe, it is a hose construction, its joint is inserted in the inserting hole, and backs down the blocking sheet simultaneously and make and scrape ash and bear that box is inner to be communicated with sweep-up pipe.

2, blackboard erasing machine structural improvement as claimed in claim 1 is characterized in that, establishes switch and light emitting diode lamp on the upper side of described this upper shell.

3, blackboard erasing machine structural improvement as claimed in claim 1 is characterized in that, on described this front chamber's inner bottom surface the elasticity location sphere is set.

4, blackboard erasing machine structural improvement as claimed in claim 1 is characterized in that, the described blocking sheet that is located at inserting hole inside opening outer rim is to be set in one to contact on the bar, contacts bar and is controlled by an elastic component.

5, blackboard erasing machine structural improvement as claimed in claim 1, it is characterized in that the described driving screw of establishing is to link to each other with motor shaft, and this motor shaft is to connect worm screw group, and worm screw group connects a helical gear coaxial rotation, and this helical gear again with the driving screw rotating shaft on a helical gear meshing.

6, blackboard erasing machine structural improvement as claimed in claim 1 is characterized in that, described this body bottom surface lock a base plate and protruding button, and protruding button convexedly stretches on the bolster outside the perforation.

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