CN203888484U - Electric blackboard eraser easy to use - Google Patents

Abstract

The utility model provides an electric blackboard eraser easy to use. The electric blackboard eraser easy to use structurally comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are buckled to be fixed, wherein dust storage grooves with top openings are formed in the two sides of the lower box body, correspondingly, protruding blocks which can be inserted in the top openings of the dust storage grooves are arranged on the two sides of the upper box body, dust inlets communicated with the top openings of the dust storage grooves are formed in the opposite inner sides of the dust storage grooves respectively, a sweeping device with bristles is installed on the lower box body and used in cooperation with the dust inlets, and a driving assembly driving the sweeping device is arranged in the upper box body. Compared with the prior art, the electric blackboard eraser easy to use has the advantages of being reasonable in design, simple in structure, convenient to use, ideal in wiping effect, high in practicability, friendly to the environment, sanitary and wide in application range.

Description

A kind of easy-to-use type electric blackboard eraser

Technical field

The utility model relates to school supply and stationery technical field, specifically a kind of easy-to-use type electric blackboard eraser simple in structure, easy to use.

Background technology

The blackboard eraser that school is used is at present all that traditional blackboard is wiped, while using the chalk word on these blackboard eraser blackboard wipings, very easily make chalk bits along with the movement of blackboard eraser is flown upward with air-flow, both contaminated environment, be detrimental to health again, classmate and teacher earlier in classroom are victim forever, had a strong impact on academics and students's physical and mental health, the teacher to the work of being engaged in teaching for a long time particularly, accumulate over a long period, chalk dust can deposit at respiratory system, cause occupational disease, and existing blackboard eraser many times cannot be clean by blackboard-cleaning, need rag could further clean chalk dust residual on blackboard.Even if there are in the prior art some designs about Automatic erasing blackboard, but for the writings on the blackboard such as blackboard newspaper on similar school exterior wall, just cannot realize the automatic erasing of blackboard, must use blackboard eraser, and existing blackboard eraser need to manually complete the wiping of writing on the blackboard, if run into the higher place of writing on the blackboard in wiping process, will make a lot of short students contact, affect the carrying out of wiping.Based on this, now provide a kind of and automatically complete wiping action, be easy to the easy-to-use type electric blackboard eraser of adjusting.

Summary of the invention

Technical assignment of the present utility model is to solve the deficiencies in the prior art, and a kind of easy-to-use type electric blackboard eraser simple in structure, easy to use is provided.

The technical solution of the utility model realizes in the following manner, this a kind of easy-to-use type electric blackboard eraser, its structure comprises upper cartridge body, the lower box body being fastened, in the both sides of lower box body, offer open-topped storage ash-pit, corresponding, the both sides of upper cartridge body are provided with can insert the open-topped projection of this storage ash-pit, the relative inner of above-mentioned two storage ash-pits all offers the ash charge mouth connecting with its open top, be used in conjunction with this ash charge mouth, clearing apparatus with bristle is installed on lower box body, drives the driving assembly of this clearing apparatus to be arranged in upper cartridge body.

In this technical scheme, by driving assembly to drive clearing apparatus to work, complete the wiping to writing on the blackboard, after entering storage ash-pit, the chalk bits of wiping store, after finishing using, from upper cartridge body, take off lower box body, then chalk bits are poured out from the open top of storage ash-pit, whole use procedure is very convenient, and clean hygiene and wiping effect are desirable.

As preferably, the top of described upper cartridge body is connected with adjusting rod by universal joint, and the rear end of this adjusting rod is provided with gripping handle.This universal joint adopts the universal ball joint structure of inner hollow common in prior art, and the student that is arranged so that of adjusting rod can be by this blackboard eraser Arbitrary Rotation when wiping, guarantees that blackboard is arbitrarily angled can both obtain wiping.

Further, described adjusting rod is expansion link.The setting party of this expansion link different height students use, practical, applied widely.

Further, the lateral surface of described gripping handle is that curved surface shape, medial surface shrink gradually and is connected as a single entity with the rear end of adjusting rod.The gripping of this structure is designing according to human hands physiological curve, and convenient gripping carried out.

As preferably, described driving assembly comprises gauge tap, supplying cell, micromachine, speed changer, power transmission shaft, transition axis, the driving gear being linked in sequence, wherein gauge tap is arranged on and grips on medial surface, supplying cell, micromachine, speed changer, power transmission shaft, transition axis, driving gear are arranged in upper cartridge body, described speed changer clutch end connects N power transmission shaft, corresponding, the transition axis being connected with this transmission shaft driven, the driving gear that is arranged on transition axis front end are provided with N, the natural number that described N is >=1.In this technical scheme, whether gauge tap controls supplying cell supply of electric power, when power supply is carried out, micromachine starts, this micromachine drive speed transmission starts, and speed changer is realized multiaxis output, and the power of output is sent on line shaft, through the rotation of transition axis rear drive driving gear, and then realize the driving to clearing apparatus.Connection between above-mentioned gauge tap, supplying cell, micromachine, speed changer connects by power line common in prior art.

As preferably, described clearing apparatus comprises and being parallel to each other and the N group corresponding with driving gear, the driven shaft that every group of clearing apparatus include the driven tooth that is meshed with driving gear, be connected as a single entity with driven tooth, be arranged on driven shaft and the bristle distributing in the shape of a spiral, on lower box body, offer the driven tooth mounting groove of placing driven tooth, the ash charge mouth downside of this lower box body offers the fixedly holddown groove of driven shaft outer end.The arranging of this helical form bristle guaranteed chalk bits can automatic cleaning to the both sides of lower box body, guarantee that the chalk bits collection of storage ash-pit is normally carried out.

As preferably, the driven tooth in described every group of clearing apparatus is provided with two, and this driven tooth and the driving gear being meshed with it are bevel gear, corresponding, and the driven tooth mounting groove of placing this driven tooth is opened in middle part, lower box body bottom side.

Further, described storage ash-pit integral body is " V " shape of inclination, and its bottom is downward skewed from inside to outside.The storage ash-pit of this structure can effectively guarantee can not drop out easily after chalk bits enter, and storage ash is satisfactory for result.

Further, the four jiaos of ends in described lower box body bottom are all provided with universal wheel, and the bottom of this universal wheel is lower than the bottom of driven shaft, higher than the bottom of bristle.The setting of this universal wheel can convenient whole blackboard eraser movement, practical.

The beneficial effect that the utility model compared with prior art produced is:

The feature such as that a kind of easy-to-use type electric blackboard eraser of the present utility model has is simple in structure, easy to use, be skillfully constructed, wiping is highly easy to adjust, wiping process completes automatically, wiping effect is desirable, practical, environmentally-friendly sanitary, applied widely, effectively guarantee the healthy of user, be easy to promote.

Accompanying drawing explanation

Accompanying drawing 1 is structural representation of the present utility model.

Accompanying drawing 2 is upward view of the present utility model.

Accompanying drawing 3 is the grey slot part schematic diagram of storage of the present utility model.

Accompanying drawing 4 is driving assembly schematic diagram of the present utility model.

Accompanying drawing 5 is that internal structure of the present utility model connects block diagram.

Mark in accompanying drawing represents respectively:

1, lower box body, 2, upper cartridge body, 3, micromachine, 4, grip handle, 5, gauge tap, 6, supplying cell, 7, adjusting rod, 8, universal joint, 9, storage ash-pit, 10, lid, 11, projection, 12, universal wheel, 13, bristle, 14, speed changer, 15, driven shaft, 16, driven tooth mounting groove, 17, driven tooth, 18, power transmission shaft, 19, transition axis, 20, driving gear, 21, holddown groove, 22, ash charge mouth.

The specific embodiment

Below in conjunction with accompanying drawing, a kind of easy-to-use type electric blackboard eraser of the present utility model is described in detail below.

As accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, this a kind of easy-to-use type electric blackboard eraser, its structure comprises the upper cartridge body 2 being fastened, lower box body 1, in the both sides of lower box body 1, offer open-topped storage ash-pit 9, corresponding, the both sides of upper cartridge body 2 are provided with can insert the open-topped projection 11 of this storage ash-pit 9, the relative inner of above-mentioned two storage ash-pits 9 all offers the ash charge mouth 22 connecting with its open top, be used in conjunction with this ash charge mouth 22, clearing apparatus with bristle 13 is installed on lower box body 1, drive the driving assembly of this clearing apparatus to be arranged in upper cartridge body 2.

The top of described upper cartridge body 2 is connected with adjusting rod 7 by universal joint 8, and the rear end of this adjusting rod 7 is provided with and grips 4.

Described adjusting rod 7 is expansion link.

Described grip is 4 lateral surface that curved surface shape, medial surface shrink gradually and is connected as a single entity with the rear end of adjusting rod 7.

Described driving assembly comprises the gauge tap 5 being linked in sequence, supplying cell 6, micromachine 3, speed changer 14, power transmission shaft 18, transition axis 19, driving gear 20, wherein gauge tap 5 is arranged on and grips on 4 medial surfaces, supplying cell 6, micromachine 3, speed changer 14, power transmission shaft 18, transition axis 19, driving gear 20 is arranged in upper cartridge body 2, the opening part of this upper cartridge body 2 is arranged on side, this opening part is provided with lid 10, after lid 10 is installed, its lateral surface is mutually concordant with lower box body 1 lateral surface, described speed changer 14 clutch ends connect N power transmission shaft 18, corresponding, the transition axis 19 being in transmission connection with this power transmission shaft 18, the driving gear 20 that is arranged on transition axis 19 front ends is provided with N, described N is >=1 natural number.

Described clearing apparatus comprises and being parallel to each other and the N group corresponding with driving gear 20, the driven shaft 15 that every group of clearing apparatus include the driven tooth 17 that is meshed with driving gear 20, be connected as a single entity with driven tooth 17, be arranged on driven shaft 15 and the bristle 13 distributing in the shape of a spiral, on lower box body 1, offer the driven tooth mounting groove 16 of placing driven tooth 17, ash charge mouth 22 downsides of this lower box body 1 offer the fixedly holddown groove 21 of driven shaft 15 outer ends.

Driven tooth 17 in described every group of clearing apparatus is provided with two, and this driven tooth 17 and the driving gear 20 being meshed with it are bevel gear, corresponding, and the driven tooth mounting groove 16 of placing this driven tooth 17 is opened in lower box body 1 middle part, bottom side.

Described storage ash-pit 9 integral body are " V " shape of inclination, and its bottom is downward skewed from inside to outside.

Four jiaos of 1 bottoms of described lower box body end is all provided with universal wheel 12, and the bottom of this universal wheel 12 is lower than the bottom of driven shaft 15, higher than the bottom of bristle 13.

Except the technical characterictic described in description, be the known technology of those skilled in the art.

Claims (9)

1. an easy-to-use type electric blackboard eraser, it is characterized in that: its structure comprises upper cartridge body, the lower box body being fastened, in the both sides of lower box body, offer open-topped storage ash-pit, corresponding, the both sides of upper cartridge body are provided with can insert the open-topped projection of this storage ash-pit, the relative inner of above-mentioned two storage ash-pits all offers the ash charge mouth connecting with its open top, be used in conjunction with this ash charge mouth, clearing apparatus with bristle is installed on lower box body, drives the driving assembly of this clearing apparatus to be arranged in upper cartridge body.

2. a kind of easy-to-use type electric blackboard eraser according to claim 1, is characterized in that: the top of described upper cartridge body is connected with adjusting rod by universal joint, and the rear end of this adjusting rod is provided with gripping handle.

3. a kind of easy-to-use type electric blackboard eraser according to claim 2, is characterized in that: described adjusting rod is expansion link.

4. a kind of easy-to-use type electric blackboard eraser according to claim 2, is characterized in that: the lateral surface of described gripping handle is that curved surface shape, medial surface shrink gradually and is connected as a single entity with the rear end of adjusting rod.

5. according to a kind of easy-to-use type electric blackboard eraser described in claim 2 or 4, it is characterized in that: described driving assembly comprises the gauge tap being linked in sequence, supplying cell, micromachine, speed changer, power transmission shaft, transition axis, driving gear, wherein gauge tap is arranged on and grips on medial surface, supplying cell, micromachine, speed changer, power transmission shaft, transition axis, driving gear is arranged in upper cartridge body, described speed changer clutch end connects N power transmission shaft, corresponding, the transition axis being connected with this transmission shaft driven, the driving gear that is arranged on transition axis front end is provided with N, described N is >=1 natural number.

6. a kind of easy-to-use type electric blackboard eraser according to claim 5, it is characterized in that: described clearing apparatus comprises and being parallel to each other and the N group corresponding with driving gear, the driven shaft that every group of clearing apparatus include the driven tooth that is meshed with driving gear, be connected as a single entity with driven tooth, be arranged on driven shaft and the bristle distributing in the shape of a spiral, on lower box body, offer the driven tooth mounting groove of placing driven tooth, the ash charge mouth downside of this lower box body offers the fixedly holddown groove of driven shaft outer end.

7. a kind of easy-to-use type electric blackboard eraser according to claim 6, it is characterized in that: the driven tooth in described every group of clearing apparatus is provided with two, this driven tooth and the driving gear being meshed with it are bevel gear, corresponding, the driven tooth mounting groove of placing this driven tooth is opened in middle part, lower box body bottom side.

8. a kind of easy-to-use type electric blackboard eraser according to claim 6, is characterized in that: described storage ash-pit integral body is " V " shape of inclination, and its bottom is downward skewed from inside to outside.

9. a kind of easy-to-use type electric blackboard eraser according to claim 6, is characterized in that: the four jiaos of ends in described lower box body bottom are all provided with universal wheel, and the bottom of this universal wheel is lower than the bottom of driven shaft, higher than the bottom of bristle.