CN200939781Y

CN200939781Y - Dust collecting eraser

Info

Publication number: CN200939781Y
Application number: CN 200520034126
Authority: CN
Inventors: 易化淼
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-08
Filing date: 2005-05-08
Publication date: 2007-08-29
Anticipated expiration: 2015-05-08

Abstract

The utility model relates to a dust-absorbing blackboard brush device comprising a dust collector, chalk-powder expeller, an elastic extensible pipe and a remotely-controlled brush head. The utility model is characterized in that the dust collector is positioned in the outer sound-insulating housing box and connected with the water film separate chalk-power expeller. The chalk-powder expeller is poured with water; the water fog formed by the absorbed airflow impact on the water surface can effectively absorb and remove the chalk-powder. The elastic extensible pipe is connected with the remotely-controlled brush head. The blackboard brush is flexible, the welted wool, brush and absorbing pored cloth are provided reasonably, the absorbing air channel resistance is small, and the remotely-controlled brush head is flexibly turned on/off. The greatest attribute of the utility model is that the water film separate chalk-power expeller is introduced to effectively remove the chalk-powder with water fog with a chalk-powder removal effects not attained by other dry-powder type blackboard brush. The utility model has the advantages of cleanly erasing the chalk writing without flying dust, conveniently removing the chalk powder with a small noise, simple structure and low manufacturing cost. The dust-absorbing blackboard brush is a good helper either for teaching in the schools or for brushing the dry dust in the warehouses.

Description

A kind of dust-absorbing blackboard brush device

Technical field

The utility model relates to a kind of dust-absorbing blackboard brush device.Comprise by a dust catcher connecting a branch ash ash storage, constitute by spring extension tube and remote control brush four parts.Be applicable to the letter written with chalk wiped on the blackboard or the surperficial dry ash of other object.

Background technology

Existing driven blackboard brush mostly adopts micro machine, inhale combinations such as apparatus for ash packs in the blackboard brush in the lump, this class driven blackboard brush exists power little, it is few to store up grey capacity, it is not only hand-held that volume is bigger than normal lays particular stress on, and storage ash amount is little, need frequent deashing, dust causes secondary pollution, can not satisfy the teaching practice needs.If the employing patent No. is 98228444.6 electric dust sucting brush, its structure is by the brush housing, in the brush housing support is set, and is fixed with motor on the support, and motor shaft end is provided with brush; The dust of having brushed is taken away and is collected by the air-flow that electric dust collector produces.Though the configuration dust catcher has improved suction power, and support operating system must be set, the complicated inconvenience of using is installed.Other has the patent No. is 002599473 blackboard absorbent brush, and this utility model mainly is made up of blackboard brush, suction port, dust suction bend pipe, and the dust suction bend pipe links to each other with dust catcher.Under the effect of dust catcher air-introduced machine, dust is sucked by suction inlet by the brush brush down, is siphoned away by dust catcher through bend pipe then.In use there are four shortcomings in this blackboard absorbent brush: there is a circular suction port (suction inlet) at first brush board center.When the blackboard brush brush was moving, dust was partly siphoned away near suction inlet and suction inlet, and the dust of the peripheral region beyond suction inlet is trapped on the plastic foam, can not in time be sucked away, and begins to drop when the dust amount of concentrating increases, and can not reach the effect of exceeding the time limit; Flannelette or plastic foam in its two blackboard brush, former claim lacks technical characterictic, be embedded in the centre of brush board by flannelette in the blackboard brush shown in the figure or plastic foam, bristle is arranged all around, flannelette and foam are plane expansion, flannelette or plastic foam are not only easily stopped up by dust, reduce the passage rate of powder ash, and be easy to surface wear, flannelette or plastic foam self quality deliquescing causes and comes off, make the consumable accessory of product, have the drawback of often upgrading; Its three blackboard brush back is provided with bend pipe, and this elbow structure not only increases suction resistance, and influences appearance design, and bend pipe is sitting at the handle position, uses very inconvenient; Its four this device will remove to stir power switch with hand when using, and operating personnel use inconvenience.

The utility model content

The technical problems to be solved in the utility model provides a kind of dust-absorbing blackboard brush device, comprise that (annotate: vacuum cleaner system is used for many blackboard brush and connects use dust catcher, can select dust catcher for use during separate unit), divide grey soot blower, spring extension tube, remote control brush four parts constitute.The remote control brush has brush board, shell on the back, hollow handle composition, and a plurality of inlet holes, felt and mane are arranged on the brush board.

In order to solve the problems of the technologies described above, the utility model dust-absorbing blackboard brush device comprises by a noise reduction dust catcher, connects to divide grey soot blower, is connected with the remote control brush by spring extension tube.Blackboard brush uses very frequently in teaching process, and powder ash amount is also very big.In order to solve the little problem of suction in the existing driven blackboard brush, at first, the utility model is started with from strengthening suction, selecting dust catcher for use is motive power, can realize the not wafting purpose of powder ash can not be for school accepts but commercially available common dust catcher noise is very big, and dust catcher must be handled through eliminating the noise for this reason.Secondly, the utility model will solve the problem of storage ash amount, connect the efficient grey soot blower that divides at the dust catcher inlet, divide grey soot blower the applicant to have in early days and apply for a patent, this divides grey soot blower to have centrifugal and water film type, can choose the same form wantonly, in the grey box of depositing of minute grey soot blower, inject an amount of water, the air-flow that has a powder ash from inlet along the conduit filter screen directly to the water surface, make the powder ash reach effective separation, stay the transparent powder ash of depositing in the grey box and can observe timely removing at any time.The 3rd, be to set up an efficient remote control blackboard brush, this remote control brush is to be made of brush board, shell on the back, hollow handle and RPB, a plurality of inlet holes, felt, mane are arranged on the brush board, brush board forms suction chamber with shell on the back and is connected hollow handle, by spring extension tube and the grey soot blower of branch, dust catcher links to each other.A felt is arranged in the middle of the brush board, both sides at the felt bar have bristle and inlet hole respectively, inlet hole parallel wrong row with bristle distribute, and the effect of mane is the moving powder ash of brush, and the brush panel is packed in the shell on the back, brush and shell on the back form negative pressure cavity, the powder ash concentrates at the negative pressure cavity of brush and shell on the back by inlet hole, is siphoned away by dust catcher along spring extension tube, and the brush shell on the back has handle to link to each other with spring extension tube, the place ahead is provided with the power supply RPB on the brush shell on the back, can carry out the flexible operating of switching power supply with finger.After the utility model brush improves, the centre of head plate face and suction hole is arranged all around, on the brush panel, can not produce and suck the dead angle, avoided the powder ash to be detained at the place, dead angle, felt bar in the middle of the brush board face, the favourable letter written with chalk of wiping, both sides have bristle to be used for brushing the powder ash respectively, and the powder ash that brush falls siphons away by inlet hole.When the letter written with chalk on the blackboard was moved by the brush brush, under the effect, the letter written with chalk on the blackboard had been wiped when being brushed, wipe, inhaling three kinds of power, the powder ash has been sucked away, and reaches the mark of not writeeing down characters on the blackboard, the classroom environment not airborne dust of ash that do not fall, improve greatly to use and render a service, have the suction ash effect of big power.The dust catcher that this device adopts is to handle through eliminating the noise, and efficiently divides under the existence of grey soot blower, is not subjected to secondary pollution more effectual to the protection environment.Suck handle and directly link to each other with the brush shell on the back, form the nature cambered surface, the shell back makes RPB, end user's more convenient operation.This dust-absorbing blackboard brush device has following characteristics: brushing blackboard letter written with chalk has the totally not outer dust of the word of wiping; Divide grey soot blower to have the powder of separation ash and render a service height, it is very convenient to remove the powder ash, and the water smoke ash disposal can prevent the dust secondary pollution; It is big that dust catcher is inhaled grey power, and noise is low when use is handled in special noise reduction; This device has simple in structure, and RPB is easy to operate, and it is effective to absorb the powder ash.This device is under the suction of dust catcher, and the powder ash under the brush is entered the grey soot blower of branch along spring extension tube again by the powerful brush that sucks, and air is efficiently separated with the powder ash.Storage ash takes off when full to be deposited grey box water and rinses well, does not produce the dust secondary pollution, is the preferably selection of brushing blackboard in the school instruction.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model dust-absorbing blackboard brush device is described in further detail:

Fig. 1 is the utility model dust-absorbing blackboard brush device schematic diagram.

Fig. 2 is the utility model dust-absorbing blackboard brush front view.

Fig. 3 is the utility model dust-absorbing blackboard brush vertical view.

Fig. 4 is the utility model dust-absorbing blackboard brush brush board figure

The specific embodiment

The utility model dust-absorbing blackboard brush device is right after the grey soot blower 2 of branch by dust catcher 1 and is connected with remote control brush 4 by spring extension tube 3 as shown in Figure 1, has four parts and constitutes.The dust catcher of handling through the sound insulation noise elimination 1 links to each other with a minute grey soot blower 2 in sound proof box, selects for use water film type to divide and injects suitable quantity of water in the grey box of depositing of grey soot blower 2, improves the branch ash and renders a service, and divides grey ash storage 2 to be connected with remote control brush 4 by spring extension tube 3.As shown in Figure 4, dust-absorbing blackboard brush is joined by hollow handle 7 and spring extension tube 3, shell on the back 6 forms negative pressure cavity with brush board 9, and RPB 5 is on brush shell on the back 6, and mane 11 is distributed in felt 10 both sides, felt 10 is on the axis of brush board 9, the length of felt 10 and brush board equal in length, there is mane 11 felt 10 both sides, brush board mane 11 be furnished with inlet hole 12 in the ranks, the parallel wrong row of inlet hole 12 with bristle, around brush board 9 and felt 11 both sides such as Fig. 4 require to lay strip inlet hole 14.Brush board 9 in use, the paired letter written with chalk of felt 10, mane 11, inlet hole 12 three's mutual group produces and wipes, brush, the synergy of inhaling.Being provided with by position shown in Figure 4 is suction for around strengthening and middle part, is equivalent to form air film around the brush and sucks curtain wall, guarantees that the powder ash raises outside not flying out.Shell on the back 6 is used for fixing brush board 9, and with the common vacuum chambers that form of brush board 9, inhaling brush shell on the back 6 has handle 7 hollows to link to each other with spring extension tube 3, the moving powder ash of brush is sucked along inlet hole 14, and the handle of concentrating by hollow 7 is sucked away, the top of shell on the back is provided with RPB 5 by position shown in Figure 1, RPB 5 makes operating personnel when operation, the fixed power source position of the switch can be walked close to, dust catcher 1 can be started and close, not to the utmost handling safety and easy to use.

The utility model is not limited to above-mentioned embodiment; as long as the blackboard brush structure adopts dust catcher, divides grey soot blower, spring extension tube and blackboard brush four parts to be connected; changing no matter frame mode is different, is that combined or separate type all drop among the protection domain of the present utility model.

Claims

1. dust-absorbing blackboard brush device, comprise dust catcher (1), divide grey soot blower (2), spring extension tube (3) constitutes with remote control brush (4) four parts, the remote control brush has brush board (9), shell on the back (6), RPB (5), hollow handle (7), a plurality of inlet holes (12), strip hole (14), felt (10) and mane (11) are arranged on the brush board (9), it is characterized in that: divide grey soot blower (2) to be connected between dust catcher (1) and the spring extension tube (3), spring extension tube (3) other end is connected with remote control brush (4).

2. by the described dust-absorbing blackboard brush device of claim 1, it is characterized in that described dust catcher (1) is outer for the sound insulation silencer box, acoustic material is arranged in the case.

3. by the described dust-absorbing blackboard brush device of claim 1, it is characterized in that being marked with water in the stored ash box of the grey soot blower of described branch (2), form water smoke or moisture film, stored ash box is made with transparent material.

4. by the described dust-absorbing blackboard brush device of claim 1, it is characterized in that described spring extension tube (3) can be along being wiped by the free telescopic brush of erasing blackboard face, spring extension tube is made by the steel moulding material.

5. ask 1 described dust-absorbing blackboard brush device by right, it is characterized in that it is mane (11) that place, described brush board (9) axis is equipped with felt (10) both sides, felt (10) constitutes with inlet hole (12) strip hole (14) that is respectively wrong row in the ranks of mane (11).

6.. by the described dust-absorbing blackboard brush device of claim 1, it is characterized in that described mane (11) is distributed in felt (10) both sides, the height of mane (11) is 15～25mm, the mane material is plastics hair or animal wool.

7.. by the described dust-absorbing blackboard brush device of claim 1, it is characterized in that described felt (10) is isometric with brush board at the place, axis of brush board, width is 8～10mm, highly is 15～25mm.

8.., it is characterized in that described RPB (5) is installed on the blackboard brush shell on the back (6), is the radio source control button by the described dust-absorbing blackboard brush device of claim 1.