CN201989491U

CN201989491U - Blackboard erasing device

Info

Publication number: CN201989491U
Application number: CN2011200851918U
Authority: CN
Inventors: 刘延兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-28
Filing date: 2011-03-28
Publication date: 2011-09-28
Anticipated expiration: 2021-03-28

Abstract

The utility model discloses a blackboard erasing device, which comprises one erasing device, two driving devices, two translation devices and one chalk dust collector. The erasing device includes two cleaning rollers, a brush synchronous belt wound the two cleaning rollers and a motor connected with one of the two cleaning rollers. The two translation devices are respectively arranged at on the upper portion of a blackboard and the lower portion of the blackboard. Each translation device comprises a sliding groove provided with a rack and arranged on the translation device and a gear body matched with the rack. The gear bodies are respectively connected with the two cleaning rollers through the two driving devices. The chalk dust collector comprises fans, a chalk dust collecting box, a pipeline communicated with the chalk dust collecting box and the erasing device and an air outlet with a filter screen. The blackboard erasing device has the advantages that the motor drives the brush synchronous belt to move, and the brush synchronous belt can be controlled by the driving devices to reciprocate straightly to erase the blackboard, thereby being capable of erasing handwriting on the blackboard automatically. The collector is arranged on the blackboard erasing device and can collect chalk dusts, thereby avoiding the pollution of the chalk dusts to environment. The blackboard erasing device has compact complete structure and reasonable design.

Description

The blackboard wiping arrangement

Technical field

The utility model relates to a kind of blackboard wiping arrangement, the writing on not only can Automatic erasing blackboard, and can collect the chalk bits, belong to the culture and education apparatus.

Background technology

The common blackboard eraser that is used for the writing on the blackboard wiping, generally be in blackboard eraser one side fasten bristles, move around on the blackboard writing by bristle, reach the purpose of removing the blackboard writing, utilize the writing on this blackboard eraser blackboard wiping, waste time and energy, and chalk dust pollutes classroom environment.

Summary of the invention

Therefore in order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of blackboard wiping arrangement, the writing on not only can Automatic erasing blackboard, and can collect the chalk bits.

The technical solution adopted in the utility model is:

A kind of blackboard wiping arrangement comprises that being provided with 1 wipes word device, two transmission devices, two translating devices and 1 dust collection; Wiping the word device comprises two cleaning wheels, walks around the synchronous band of hairbrush of two cleaning wheels and the motor that links to each other with one of them cleaning wheel; Two translating devices be separately positioned on blackboard top and below translating device comprise inside be provided with the chute of tooth bar, with the gear mass that tooth bar cooperatively interacts, gear mass links to each other with cleaning wheel by transmission device respectively; Dust collection comprises the pipeline of blower fan, dust-collecting box, connection dust-collecting box and wiping word device and has the gas outlet of screen pack.

Among the utility model embodiment, each transmission device include down bevel gear, with the Intermediate bevel gears of following bevel gear engagement and the last bevel gear that meshes with Intermediate bevel gears, the coaxial gear that is provided with of last bevel gear, the pinion at this gear and gear mass rear is meshing with each other, and the following bevel gear of described two transmission devices connects a common motor simultaneously.

Among the utility model embodiment, also comprise the switching device that is used for control gear body point-to-point speed, switching device comprises the two parts that are symmetrical set, each part comprises hinged successively head rod, second connecting rod, last transiting rod, boosting-rod, following transiting rod, the 3rd connecting rod and the 4th connecting rod, described two-part head rod connects the bevel gear shaft body simultaneously, two second connecting rods and two the 3rd connecting rod parallel interval settings mutually, two boosting-rods are parallel to each other and are provided with at interval, and between the boosting-rod distance greater than distance between second connecting rod.

Among the utility model embodiment, switching device also includes the lower position block that is used to limit the upper limit position block of distance between two second connecting rods and is used to limit distance between two the 3rd connecting rods.

Among the utility model embodiment, it comprises that also being arranged on being used on the Intermediate bevel gears adjusts the hairbrush adjustment bolt of distance between band and the blackboard synchronously.

Among the utility model embodiment, the dust-collecting box lower end is provided with a closed osculum.

The utility model has the advantages that: be with motion synchronously by the driven by motor hairbrush, and can make hairbrush take to complex line synchronously by transmission device control to move blackboard wiping, the writing on can Automatic erasing blackboard; Be provided with gatherer, enough collect the chalk bits, avoided the pollution of dust environment; Compact overall structure, reasonable in design.

Description of drawings

Fig. 1 is the utility model and the schematic diagram that combines of blackboard;

Fig. 2 is a schematic side view of the present utility model;

Fig. 3 looks schematic diagram for master of the present utility model;

Among the figure 1, tooth bar, 2, blackboard, 3, hairbrush is with synchronously, 4, cleaning wheel, 5, gear mass, 6, gear, 7, Intermediate bevel gears, 8, head rod, 9, following bevel gear, 10, motor, 11, connecting axle, 12, screen pack, 13, blower fan, 14, pipeline, 15, adjust bolt, 16, dust-collecting box, 17, chute, 18, last bevel gear, 19, pinion, 20, second connecting rod, 21, the 3rd connecting rod, 22, upper limit position block, 23, the 4th connecting rod, 24, boosting-rod, 25, last transiting rod, 26, following transiting rod, 27, common motor, 28, lower position block, 29, closed osculum.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further details, following explanation only is exemplary, does not limit protection domain of the present utility model.

With reference to the accompanying drawings 1,2 one kind of blackboard wiping arrangement, comprise that being provided with 1 wipes word device, two transmission devices, two translating devices and 1 dust collection; Wipe that the word device comprises two cleaning wheels 4, the hairbrush of walking around two cleaning wheels synchronously with 3 with the motor 10 that links to each other with one of them cleaning wheel 4; Two translating devices be separately positioned on blackboard 2 tops and below translating device comprise inside be provided with the chute 17 of tooth bar 1, with the gear mass 5 that tooth bar 1 cooperatively interacts, gear mass 5 links to each other with cleaning wheel 4 by transmission device respectively.

2 dust collections comprise blower fan 13, dust-collecting box 16, are communicated with dust-collecting box 16 and wipe the pipeline 14 of word device and have the gas outlet of screen pack 12 with reference to the accompanying drawings; dust-collecting box 16 lower ends are provided with a closed osculum 29; conveniently dust is poured out; can reclaim the dust of collecting simultaneously; send chalk factory back to; can reduce the wasting of resources, thus the protection environment.

With reference to the accompanying drawings 2 each transmission device include down bevel gear 9, with the Intermediate bevel gears 7 of following bevel gear 9 engagements and the last bevel gear 18 that meshes with Intermediate bevel gears 7, the last bevel gear 18 coaxial gears 6 that are provided with, this gear 6 is meshing with each other with the pinion 19 at gear mass 5 rears, the following bevel gear 9 of described two transmission devices connects a common motor 27 simultaneously by a connecting axle 11, this structure transmission device, can realize slowing down simultaneously, realize the conversion of direction.

With reference to the accompanying drawings 3, the utility model also comprises the switching device that is used for control gear body 5 point-to-point speeds, switching device comprises the two parts that are symmetrical set, each part comprises hinged successively head rod 8, second connecting rod 20, last transiting rod 25, boosting-rod 24, following transiting rod 26, the 3rd connecting rod 21 and the 4th connecting rod 23, described two-part head rod 8 connects bevel gear 18 axis bodies simultaneously, the 4th connecting rod 23 connects last bevel gear 18 axis bodies of lower end transmission device simultaneously, two second connecting rods 20 and two the 3rd connecting rod 21 parallel interval settings mutually, two boosting-rods 24 are parallel to each other and are provided with at interval, and between the boosting-rod 24 distance greater than distance between second connecting rod 20.

With reference to the accompanying drawings 3, switching device also includes the lower position block 28 that is used to limit the upper limit position block 22 of distance between two second connecting rods 20 and is used to limit distance between two the 3rd connecting rods 21.

With reference to the accompanying drawings 2, the utility model also comprise be arranged on being used on the Intermediate bevel gears 7 adjust hairbrush synchronously with 3 and blackboard 2 between the adjustment bolt 15 of distance.

The course of work of the present utility model: starter motor 10, the rotation of drive cleaning wheel, after common motor 27 is opened bevel gear 9, Intermediate bevel gears 7 and last bevel gear 18 under the power warp being passed to gear 6 with power moves along tooth bar 1 through pinion 19 coaxial transmission driven gear bodies 5, thereby realized wiping the writing on the word device horizontal translation Automatic erasing blackboard, convenient and practical; Can collect the chalk bits through dust collection in the wiping process, avoid environmental pollution.

Claims

1. a blackboard wiping arrangement is characterized in that: comprise that being provided with 1 wipes word device, two transmission devices, two translating devices and 1 dust collection; Wiping the word device comprises two cleaning wheels (4), walks around the hairbrush of two cleaning wheels synchronously with (3) and the motor (10) that links to each other with one of them cleaning wheel (4); Two translating devices be separately positioned on blackboard (2) top and below translating device comprise inside be provided with the chute of tooth bar (1) (17), with the gear mass (5) that tooth bar (1) cooperatively interacts, gear mass (5) links to each other with cleaning wheel (4) by transmission device respectively; Dust collection comprises blower fan (13), dust-collecting box (16), is communicated with dust-collecting box (16) and wipes the pipeline (14) of word device and have the gas outlet of screen pack (12).

2. according to the described blackboard wiping arrangement of claim 1, it is characterized in that: each transmission device include down bevel gear (9), with the Intermediate bevel gears (7) of following bevel gear (9) engagement and the last bevel gear (18) that meshes with Intermediate bevel gears (7), the coaxial gear (6) that is provided with of last bevel gear (18), this gear (6) is meshing with each other with the pinion (19) at gear mass (5) rear, and the following bevel gear (9) of described two transmission devices connects a common motor (27) simultaneously.

3. according to the described blackboard wiping arrangement of claim 2, it is characterized in that: also comprise the switching device that is used for control gear body (5) point-to-point speed, switching device comprises the two parts that are symmetrical set, each part comprises hinged successively head rod (8), second connecting rod (20), last transiting rod (25), boosting-rod (24), following transiting rod (26), the 3rd connecting rod (21) and the 4th connecting rod (23), described two-part head rod (8) connects bevel gear (18) axis body simultaneously, two second connecting rods (20) and two the 3rd connecting rods (21) parallel interval setting mutually, two boosting-rods (24) are parallel to each other and are provided with at interval, and between the boosting-rod (24) distance greater than distance between second connecting rod (20).

4. according to the described blackboard wiping arrangement of claim 3, it is characterized in that: switching device also includes the lower position block (28) that is used to limit the upper limit position block (22) of distance between two second connecting rods (20) and is used to limit distance between two the 3rd connecting rods (21).

5. according to claim 1 or 2 or 3 or 4 described blackboard wiping arrangements, it is characterized in that: it comprises that also being arranged on being used on the Intermediate bevel gears (7) adjusts hairbrush synchronously with the adjustment bolt (15) of distance between (3) and the blackboard (2).

6. according to claim 1 or 2 or 3 or 4 described blackboard wiping arrangements, it is characterized in that: dust-collecting box (16) lower end is provided with a closed osculum (29).