CN110254082A

CN110254082A - A kind of dustproof blackboard

Info

Publication number: CN110254082A
Application number: CN201910348763.8A
Authority: CN
Inventors: 屠敏杰
Original assignee: Foshan Feiyu Stationery Co Ltd
Current assignee: Foshan Feiyu Stationery Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2019-09-20
Also published as: JP6754053B1; JP2020183093A

Abstract

The invention discloses a kind of dustproof blackboards, including upper frame, the lower end of the upper frame is installed with blackboard, open slot is equipped in the upper frame, driving device is equipped in the open slot, bracket is slidably connected in the open slot, the driving device controls the movement and rotation of the bracket, through slot is equipped in the bracket, the lower end wall of the through slot is equipped with working chamber, the left hand end wall of the working chamber is rotatably connected to horizontal axis, first bevel gear is from left to right installed on the horizontal axis, first gear and second gear, the rotation of the lead screw can drive moving left and right for the bracket, while the present apparatus can be wiped automatically chalk dust, also chalk ash collection can be got up, so that teacher need not be laborious erase the board, the chalk ash collection that will be raised simultaneously, chalk dust is prevented to cause the health of teacher and classmate Injury.

Description

A kind of dustproof blackboard

Technical field

The present invention relates to field of stationery, specially a kind of dustproof blackboard.

Background technique

Teacher at school when require using just imparting knowledge to students to blackboard, traditional blackboard write play when all Teacher is needed to be wiped clean blackboard with hand, it is very time-consuming and laborious, and will cause a large amount of bisque during this and hike up, student These dust are sucked with teacher to have an impact health.

Summary of the invention

The purpose of the present invention is to provide a kind of dustproof blackboards, to solve the problems mentioned in the above background technology.

To achieve the above object, the invention provides the following technical scheme: a kind of dustproof blackboard, including upper frame, the upper frame Lower end be installed with blackboard, open slot is equipped in the upper frame, is equipped with driving device in the open slot, it is sliding in the open slot Dynamic to be connected with bracket, the driving device controls the movement and rotation of the bracket, is equipped with through slot, the through slot in the bracket Lower end wall be equipped with working chamber, the left hand end wall of the working chamber is rotatably connected to horizontal axis, from left to right fixed on the horizontal axis There are first bevel gear, first gear and second gear, the right end wall of the working chamber is rotatably connected to short axle, a left side for the short axle End is installed with the third gear engaged with the second gear, and the right end of the short axle is installed with cam, the right side of the working chamber End wall is symmetrical above and below to be equipped with T-slot, slidably connects T-block in the T-slot, connects between the T-block and the T-slot There is reset spring, is installed with pushing plate in two T-blocks respectively, long blackboard eraser, institute are connected between two pushing plates The blackboard can be carried out wiping up and down by stating long blackboard eraser, and the pushing plate of upper end is abutted with the cam, the working chamber Lower end wall be rotatably connected to vertical pivot, the upper end of the vertical pivot is installed with the second bevel gear engaged with the first bevel gear, Seven worm screws are installed on the vertical pivot, the aft bulkhead of the working chamber is rotatably connected to seven rotary shafts, the rotary shaft Front end is installed with the worm gear engaged with the worm screw respectively, and the rear end of the rotary shaft is installed with turntable, on the turntable up and down It is symmetrically installed with connecting rod, the other end of the connecting rod is installed with short slab wiping respectively, and the short slab wiping can be to the blackboard Rotation wiping is carried out, the lower end wall of the working chamber is equipped with connecting cavity, and the lower end wall of the connecting cavity is equipped with connecting cavity, the company The lower end wall for connecing chamber is equipped with suction tank, the vertical pivot extend downwardly through the working chamber enter in the suction tank and with institute The rotation connection of end wall up and down of suction tank is stated, the lower end wall of the suction tank is rotatably connected to fan shaft, under the fan shaft End and the lower end of the vertical pivot are installed with fan pulley respectively, are connected with driving belt between two fan pulleys, The upper end of the fan shaft is installed with suction fan, and the lower end surface of the bracket is installed with collection block, is equipped in the collection block Accommodating groove, connection is there are two snorkel between the accommodating groove and the suction tank, equipped with collection device in the collections block.

Preferably, the driving device includes the motor for being fixedly mounted on the open slot right end wall, the motor Left end is connected with the line shaft with the rotation connection of open slot left end wall, and the left hand end wall of the open slot is rotatably connected to silk It is respectively symmetrically installed with powered pulley on thick stick, the lead screw and the line shaft, is connected between two powered pulleys There is connection belt, the lead screw is threadedly coupled with the bracket, and the rotation of the lead screw can drive the left and right of the bracket to move It is dynamic, the spool gear engaged with the first gear is fixedly provided on the line shaft.

Preferably, the collection device includes being symmetrical set in the gas outlet of the accommodating groove upper end wall, it is described Strainer is equipped in gas outlet, the right end wall of the accommodating groove is provided with the torsional spring plate with torsion.

In conclusion the medicine have the advantages that while the present apparatus can be wiped automatically chalk dust, it can also be Chalk ash collection is got up so that teacher need not be laborious the chalk ash collection that erases the board, while will raise, it is therefore prevented that powder Pen ash damages the health of teacher and classmate.

Detailed description of the invention

It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.

Fig. 1 is a kind of schematic view of the front view of dustproof blackboard entirety complete section of the present invention；

Fig. 2 is the partial enlarged view in Fig. 1 of the present invention at A；

Fig. 3 is the partial enlarged view in Fig. 1 of the present invention at B；

Fig. 4 is the partial schematic top elevation cutter layout view of bracket in Fig. 1 of the present invention.

Specific embodiment

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

Below with reference to Fig. 1-4, the present invention is described in detail, for sake of convenience, now such as to hereafter described orientation regulation Under: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.

Fig. 1-4 is please referred to, a kind of embodiment provided by the invention: a kind of dustproof blackboard, including upper frame 21, the upper frame 21 Lower end be installed with blackboard 64, open slot 26 is equipped in the upper frame 21, is equipped with driving device 101, institute in the open slot 26 It states and slidably connects bracket 22 in open slot 26, the driving device 101 controls the movement and rotation of the bracket 22, the branch Through slot 23 is equipped in frame 22, the lower end wall of the through slot 23 is equipped with working chamber 31, and the left hand end wall of the working chamber 31, which rotates, to be connected It is connected to horizontal axis 32, first bevel gear 34, first gear 35 and second gear 36 are from left to right installed on the horizontal axis 32, it is described The right end wall of working chamber 31 is rotatably connected to short axle 38, and the left end of the short axle 38 is installed with engages with the second gear 36 Third gear 37, the right end of the short axle 38 are installed with cam 39, and the right end wall of the working chamber 31 is symmetrical above and below to be equipped with T-slot 40, T-block 42 is slidably connected in the T-slot 40, is connected with reset spring between the T-block 42 and the T-slot 40 41, it is installed with pushing plate 43 respectively in two T-blocks 42, is connected with long blackboard eraser 44, institute between two pushing plates 43 The blackboard 64 can be carried out wiping up and down by stating long blackboard eraser 44, and the pushing plate 43 of upper end is abutted with the cam 39, institute The lower end wall for stating working chamber 31 is rotatably connected to vertical pivot 50, and the upper end of the vertical pivot 50 is installed with nibbles with the first bevel gear 34 The second bevel gear 33 of conjunction is installed with seven worm screws 51 on the vertical pivot 50, and the aft bulkhead of the working chamber 31 is rotatably connected to Seven rotary shafts 45, the front end of the rotary shaft 45 are installed with the worm gear 46 engaged with the worm screw 51, the rotary shaft respectively 45 rear end is installed with turntable 49, symmetrical above and below on the turntable 49 to be installed with connecting rod 47, the other end of the connecting rod 47 It is installed with short slab respectively and wipes 48, the short slab wipes 48 can carry out rotation wiping to the blackboard 64, under the working chamber 31 End wall is equipped with connecting cavity 54, and the lower end wall of the connecting cavity 54 is equipped with connecting cavity 54, and the lower end wall of the connecting cavity 54, which is equipped with, to be inhaled Enter slot 53, the vertical pivot 50 extend downwardly through the working chamber 31 enter in the suction tank 53 and with the suction tank 53 The rotation connection of end wall up and down, the lower end wall of the suction tank 53 is rotatably connected to fan shaft 56, the lower end of the fan shaft 56 It is installed with fan pulley 52 respectively with the lower end of the vertical pivot 50, is connected with transmission skin between two fan pulleys 52 Band 55, the upper end of the fan shaft 56 are installed with suction fan 57, and the lower end surface of the bracket 22, which is installed with, collects block 60, described It collects and is equipped with accommodating groove 63 in block 60, there are two snorkels 58 for connection between the accommodating groove 63 and the suction tank 53, described It collects and is equipped with collection device 102 in block 60.

The driving device 101 includes the motor 30 for being fixedly mounted on the 26 right end wall of open slot, the motor 30 Left end is connected with the line shaft 27 with the 26 left end wall of open slot rotation connection, and the left hand end wall of the open slot 26, which rotates, to be connected It is connected to lead screw 24, is respectively symmetrically installed with powered pulley 28, two power on the lead screw 24 and the line shaft 27 Connection belt 29 is connected between belt pulley 28, the lead screw 24 is threadedly coupled with the bracket 22, the rotation of the lead screw 24 Moving left and right for the bracket 22 can be driven, the long tooth engaged with the first gear 35 is fixedly provided on the line shaft 27 Wheel 25, opens the motor 30, to drive the line shaft 27, the powered pulley 28, the lead screw 24 and the length Gear 25 rotates, so as to drive the bracket 22 mobile to side.

The collection device 102 includes being symmetrical set in the gas outlet 62 of 63 upper end wall of accommodating groove, it is described go out Strainer 59 is equipped in port 62, the right end wall of the accommodating groove 63 is provided with the torsional spring plate 61 with torsion, when chalk dust is from institute It states snorkel 58 to enter in the accommodating groove 63, the wind released can go out from the gas outlet 62, and chalk dust is by the strainer 59 are intercepted, and the torsional spring plate 61 is pushed to the chalk dust that can be taken out in accommodating groove 63.

In use, motor 30 is opened when a face blackboard all writes, thus to drive line shaft 27, powered pulley 28, lead screw 24 and spool gear 25 rotate, and so as to drive bracket 22 mobile to side, the rotation of spool gear 25 drives the first tooth The rotation of wheel 35, horizontal axis 32, second gear 36, third gear 37, short axle 38 and cam 39, to drive pushing plate 43 and long slab Wiping 44 moves up and down, to tentatively be wiped letter written with chalk by long blackboard eraser 44, first bevel gear 34 drives horizontal axis 32, vertical pivot 50, worm screw 51, worm gear 46, rotary shaft 45, turntable 49, connecting rod 47 and short slab wipe 48 rotation, so that letter written with chalk thoroughly be wiped Completely, it tentatively wipes when bracket 22 toward short slab wiping 48 is just first passed through when moving left, then is thoroughly wiped clean by long blackboard eraser 44, Vertical pivot 50 drives the rotation of fan pulley 52, fan shaft 56 and suction fan 57, thus the chalk that will be raised in working chamber 31 Ash is entered in accommodating groove 63 by snorkel 58, and the wind released can be from gas outlet 62, and chalk dust is intercepted by strainer 59, Torsional spring plate 61 is pushed to the chalk dust that can be taken out in accommodating groove 63.

The beneficial effects of the present invention are: while the present apparatus can be wiped automatically chalk dust, it can also be by chalk Ash collects so that teacher need not be laborious the chalk ash collection that erases the board, while will raise, it is therefore prevented that chalk dust pair The health of teacher and classmate damage.

The above, the specific embodiment only invented, but invent protection scope be not limited thereto, it is any without The change or replacement that creative work is expected are crossed, should all be covered within the protection scope of invention.Therefore, the protection scope of invention It should be determined by the scope of protection defined in the claims.

Claims

1. a kind of dustproof blackboard, including upper frame, it is characterised in that: the lower end of the upper frame is installed with blackboard, sets in the upper frame There is open slot, driving device is equipped in the open slot, bracket, the driving device control are slidably connected in the open slot The movement and rotation of the bracket, through slot is equipped in the bracket, and the lower end wall of the through slot is equipped with working chamber, the working chamber Left hand end wall be rotatably connected to horizontal axis, first bevel gear, first gear and the second tooth are from left to right installed on the horizontal axis Wheel, the right end wall of the working chamber be rotatably connected to short axle, and the left end of the short axle is installed with engages with the second gear Third gear, the right end of the short axle are installed with cam, and the right end wall of the working chamber is symmetrical above and below to be equipped with T-slot, the T-type T-block is slidably connected in slot, and reset spring, two two T-blocks are connected between the T-block and the T-slot It is upper to be installed with pushing plate respectively, be connected with long blackboard eraser between two pushing plates, the long blackboard eraser can to the blackboard into Wiping, the pushing plate of upper end abut row with the cam up and down, and the lower end wall of the working chamber is rotatably connected to vertical pivot, institute The upper end for stating vertical pivot is installed with the second bevel gear engaged with the first bevel gear, and seven worm screws are installed on the vertical pivot, The aft bulkhead of the working chamber is rotatably connected to seven rotary shafts, and the front end of the rotary shaft is installed with respectively nibbles with the worm screw The worm gear of conjunction, the rear end of the rotary shaft are installed with turntable, symmetrical above and below on the turntable to be installed with connecting rod, the connecting rod The other end be installed with short slab wiping respectively, short slab wiping can carry out rotation wiping to the blackboard, under the working chamber End wall is equipped with connecting cavity, and the lower end wall of the connecting cavity is equipped with connecting cavity, and the lower end wall of the connecting cavity is equipped with suction tank, described Vertical pivot extends downwardly through the end wall up and down that the working chamber enters in the suction tank and with the suction tank and is rotatablely connected, The lower end wall of the suction tank is rotatably connected to fan shaft, and the lower end of the lower end of the fan shaft and the vertical pivot is installed with respectively Fan pulley is connected with driving belt between two fan pulleys, and the upper end of the fan shaft is installed with sucking wind Fan, the lower end surface of the bracket are installed with collection block, are equipped with accommodating groove, the accommodating groove and the suction tank in the collection block Between connection there are two snorkel, equipped with collection device in the collections block.

2. a kind of dustproof blackboard according to claim 1, it is characterised in that: the driving device includes being fixedly mounted on institute The motor of open slot right end wall is stated, the left end of the motor is connected with the line shaft with the rotation connection of open slot left end wall, The left hand end wall of the open slot is rotatably connected to lead screw, respectively symmetrically fixed dynamic skin on the lead screw and the line shaft Belt wheel is connected with connection belt between two powered pulleys, and the lead screw is threadedly coupled with the bracket, the lead screw Rotation can drive moving left and right for the bracket, the long tooth engaged with the first gear is fixedly provided on the line shaft Wheel.

3. a kind of dustproof blackboard according to claim 1, it is characterised in that: the collection device includes being symmetrical set In the gas outlet of the accommodating groove upper end wall, strainer is equipped in the gas outlet, the right end wall of the accommodating groove, which is provided with, to be had The torsional spring plate of torsion.