CN2430288Y

CN2430288Y - Dust collector for blackboard eraser

Info

Publication number: CN2430288Y
Application number: CN 00243257
Authority: CN
Inventors: 刘德喜
Original assignee: 刘德喜
Current assignee: Meng Yuan environmental protection Polytron Technologies Inc
Priority date: 2000-07-10
Filing date: 2000-07-10
Publication date: 2001-05-16
Anticipated expiration: 2010-07-10
Also published as: SG94830A1

Abstract

The utility model relates to a dust collector for a blackboard eraser. The utility model mainly comprises a box body, an air suction component, a door leaf, a dust collecting bag, and a dust guide pipe fitting. In the box body, an inner box body is arranged, and an inner space and an outer space are formed. The air suction component not only is installed on the inner box body but also is communicated with the inner space and the outer space. The air transmitting dust collecting bag is installed in the inner space, and the dust collecting bag is communicated with a blackboard eraser through the dust guide pipe fitting. When the utility model is used, dust generated by the erasing operation of the blackboard eraser is sucked and gathered in the dust collecting bag by the air suction component. Consequently, dust is avoided from flowing and diffusing all around, and teaching places are kept clean.

Description

The Dust collector for blackboard eraser device

The utility model relates to a kind of dust collect plant that can compile blackboard eraser wiping dust fast.

Press, general place to operate schools all is provided with blackboard or blank usually, writes for the teacher.Font pen and the blank pen of writing blank all contain volatile hypertoxic organic solvent, and be quite big for the injury of human body; And when writing with chalk, then need constantly use the blackboard eraser blackboard wiping, cramping will drop and waves everywhere, spreads in the chalk dust of blackboard eraser bottom surface with moving of blackboard eraser, cause injection chalk dust in the classroom, be to influence the faculty, the particularly healthy big secret worry of teacher and child.

In view of this, the inventor is that active research is improved with its design and manufacturing experience of being engaged in dust suction and Related product for many years, and the utility model Dust collector for blackboard eraser Design of device and exploitation are arranged then.

The purpose of this utility model promptly is to provide a kind of collection board crocus dirt and can be for convenience detach and change the Dust collector for blackboard eraser device of dust bag of can aspirating at any time.

To achieve these goals, the utility model utilizes casing, air-breathing member, door leaf, dust bag and dust guiding tube spare to constitute a kind of Dust collector for blackboard eraser device.Be provided with internal box in the casing and form the interior space and the external space, the casing bottom side is provided with the exhaust outlet that is communicated with between the mistress, and internal box is provided with saturating dead slot seat and the saturating empty passage that is communicated with inside and outside space; Air-breathing member is installed in the internal box groove seat and is communicated with inside and outside space; Door leaf is sheathed in the internal box passage and can cuts out or open; Dust bag is engaged by the air-permeative filter layer and forms and place interior space; The two ends of dust guiding tube spare are communicated with dust bag and blackboard eraser respectively.

So the Dust collector for blackboard eraser device that constitutes in use, the dust that produces during the blackboard eraser wiping can be aspirated at any time by air-breathing member and import in the dust bag, thereby can effectively avoid dust to fly upward diffusion everywhere, keeps the cleaning of place to operate schools.

Be described in further detail below in conjunction with the technical characterictic of specific embodiment the utility model Dust collector for blackboard eraser device.

Fig. 1 is the structural representation of the utility model Dust collector for blackboard eraser device.

Fig. 2 is the utility model Dust collector for blackboard eraser device box and door leaf structural representation.

Fig. 3 is the utility model Dust collector for blackboard eraser device and blackboard eraser connection diagram.

Fig. 4 is the utility model Dust collector for blackboard eraser device dust bag and dust guiding tube spare connection diagram.

Fig. 5 is the utility model Dust collector for blackboard eraser mount board scrape along dedusting groove structural representation.

Fig. 6 places the schematic diagram of dedusting groove for the utility model Dust collector for blackboard eraser device blackboard eraser.

Shown in figure 1-6, the utility model Dust collector for blackboard eraser device mainly comprises casing 20, air-breathing member 30, door leaf 40, dust bag 50 and dust guiding tube spare 60.

Casing 20 assembles by plate is affixed, its front side is provided with tetragonal opening 201, its bottom side is provided with exhaust outlet 202, the upside of casing 20 is sky and in the affixed one group of hinge 203 of upper side edge, hinge 203 is fixed in loam cake 204 sides, but casing 20 upsides are opened or covered to these loam cake 204 deflections to form, and loam cake 204 peripheries are provided with airtight 205 and form airtight construction with pressing casing 20.Internal box 21 assembles so that plate is affixed, is fixedly arranged in the casing 20, forms the external space 22 and interior space 23 between casing 20 and the internal box 21; Internal box 21 is provided with a preceding frame 211 and is fixed in the medial surface periphery of casing 20 openings 201, establish the opening 201 of a passage 212 and connect box 20 before the internal box 21 in the frame 211 week, internal box 21 upsides are established a circular saturating dead slot seat and are communicated with the external space 22 and interior space 23, internal box 21 all identity distance casing 20 suitable distances form annular groove 25 and are communicated with the external space 22, suitably apart from forming bottom 26 and being communicated with annular groove 25 and exhaust outlet 202, sound insulating pad 27 is posted solid in the medial surface of casing 20 and loam cake 204 respectively apart from casing 20 in internal box 21 bottom sides.

Air-breathing member 30 is installed on the internal box 21 in the side channel seat, its

circular seat

31,32 is abutted against the side up and down of groove seat periphery respectively,

circular seat

31,32 cannelure seats also form airtight construction, air-breathing member 30 bottom side circular seat 32 are provided with air-breathing ring 33 and are communicated with interior space 23, and air-breathing member 30 top side circular seat 31 are established air exhaust loop 34 and are communicated with the external space 22.

Door leaf 40 is the opening 201 of square body and fit casing 20, door leaf 40 inboard peripheries are provided with air packing 41 and abut in passage 212 end faces of internal box 21, door leaf 40 sides are provided with the opening 201 of one group of hinge 42 and corresponding affixed casing 20, open or close but door leaf 40 deflections form, door leaf 40 central authorities are provided with a circular hole 43 in addition.

Dust bag 50 is to be bonded into the spatial accommodation of suitable volume and can be placed the interior space 23 of internal box 21 by the filter course 51 with small mesh, and a side 53 of dust bag 50 is provided with a perforation, this perforation periphery establish bonding element 55 and soft in encircle 56.

Dust guiding tube spare 60 is for having the soft snake belly tube of suitable caliber, the one end articulates a connector 61, the straight length 62 of connector 61 passes the circular hole 43 of door leaf 40 and forms interior ring 56 medial surfaces of a flange with closing circular hole 43, and the corresponding bonding element 55 of flange is provided with bonding element and can be bonded to each other with bonding element 55; The end in addition of dust guiding tube spare 60 connects an adapter 65 with socket tube connector 66.

With reference to figure 3, Fig. 5, shown in Figure 6, the affixed hollow housing 71 of a side of blackboard eraser 70 also is communicated with tube connector 66, and hollow housing 71 bottom sides are provided with an intercommunicating pore 72 and a bonding cleaning layer 73, and cleaning layer 73 is provided with a plurality of grooves 74 and is communicated with intercommunicating pore 72.Shift out or push hiding but set up in addition a dedusting groove 75 and pull on framework 77, dedusting groove 75 bottom sides are provided with and can contact blackboard eraser 70 and draw together including dust sheet 76 except that its chalk dust.

With reference to figure 1, Fig. 2 and shown in Figure 4, sensing element 80 is fixedly arranged on the periphery of side channel seat on the internal box 21, and its detecting bar 81 runs through internal box 21 and protrudes into interior space 23 to detect its vacuum; Display lamp is fixedly arranged on casing 20 front sides and links to each other with sensing element 80 by lead; Inductive switch 83 is fixed in casing 20 front sides and is connected power supply and air-breathing member 30 respectively with hand switch 84; Infrared switch is installed in the hollow housing 71 of blackboard eraser 70, start button and close button and be installed in the hollow housing 71 and also link to each other with infrared switch respectively, press...with one's finger to press and start button or close button, changeable control infrared switch is to start or to close inductive switch 83 and control the break-make of air-breathing member 30 power supplys.

With reference to figure 1, Fig. 3 and shown in Figure 4, the filter course 51 of dust bag 50 has small mesh, have ventilative and the characteristic of saturating dust not, spatial accommodation is ventilative with interior space 23 and is communicated with, the hollow housing 71 of interior space 23, dust bag 50, dust guiding tube spare 60 and blackboard eraser 70 forms connectivity structure, and the groove 74 of blackboard eraser 70 is communicated with the intercommunicating pore 72 of hollow housing 71 again.When the utility model uses, start button with finger presses, make infrared switch action and switch inductive switch 83 starting air-breathing member 30, the air in air-breathing member 30 suctions in the space 23 and aspirate air in the dust bag 50 simultaneously and hollow housing 71, groove 74 and the intercommunicating pore 72 of dust guiding tube spare 60, blackboard eraser 70 in air; The dust that produces during cleaning layer 73 wipings of blackboard eraser 70 is sandwiched between cleaning layer 73 and the blackboard, by the above-mentioned swabbing action of blackboard eraser 70, and can be with dust suction to groove 74 and enter the spatial accommodation of dust bag 50 through 60 guidings of dust guiding tube spare.This shows that the dust suction of utilizing the utility model that the blackboard eraser wiping is produced is pooled in the dust bag, and unlikely scattering flown upward, and can make extraneous space keep clean.

With reference to shown in Figure 4, when constantly accumulating dust in the spatial accommodation of dust bag 50, dust will constantly be built-up in its filter course 51, cause filter course 51 mesh partial blockages or form littler mesh.For keeping certain aspiration and guarantee all to aspirate dust, air-breathing member 30 will be adjusted the power output that improves air-breathing member 30 by its internal control system, keep the vacuums of setting in making in the space 23.

With reference to figure 3, shown in Figure 4, collecting dust when dust bag 50 continues to increase when a certain amount of, filter course 51 is subjected to block and also acquires a certain degree, when air-breathing member 30 aspirates, the air that dust bag flows out reduces to a certain degree, the ability of its suction dust reduces, and the vacuum in the interior space 23 improves, this moment sensing element 80 the interior space that detects of detecting bar 81 23 in vacuums will exceed setting value, the signal that sensing element 80 produces will make display lamp produce flicker, the caution user, the Dust Capacity that dust bag 50 is collected has reached police circles' state, should in time remove the dust bag dust or change dust bag.

When removing the dust bag dust or changing dust bag, door leaf 40 can be opened from the opening 201 of casing 20, passage 212 saturating interior spaces 23 empty, internal box 21 form open space, after bonding element 55 and dust guiding tube spare 60 bonding elements are peeled off, can take out dust bag 50 easily, to remove the dust that wherein compiles; When the needs replacing, when reinstalling dust bag 50, can be with the straight length 62 of the perforation 54 involutory connectors 61 of dust bag 50, encircle 56 socket straight lengths 62 in making simultaneously and form airtight, bonding mutually up to bonding element 55 with dust guiding tube spare 60 bonding elements, promptly finish refitting dust bag 50, its operation is simple and convenient very.

Suction is during dust, and the air in the interior space 23 of air-breathing member 30 suctions enters air exhaust loop 34 via air-breathing ring 33, is discharged into the external space 22 of casing 20 and discharges through annular groove 25, bottom 26 and exhaust outlet 202 from air exhaust loop 34 again.Casing 20, loam cake 204 medial surfaces all paste intrinsic sound insulating pad 27, the sound that air-breathing member 30 suction airs produce is intercepted by sound insulating pad 27, and the annular groove 25 between casing 20, the internal box 21, bottom 26 form extending channel, sound can be effectively intercepted, the quiet and clean of place to operate schools can be kept during operation.

With reference to shown in Figure 6, blackboard eraser when its cleaning layer 73 surfaces will adhere to dust, can place dedusting groove 75 with blackboard eraser 70 after 70 wiping a period of times, makes cleaning layer 73 bottom sides contact including dust sheet 76 and relatively moves to draw together except that dust.In addition, cleaning layer 73 can utilize magic tape and blackboard eraser 70 bonding, thereby can dismantle, change cleaning layer 73 easily.

In sum, the utility model Dust collector for blackboard eraser device is established internal box to form inside and outside space in casing, utilize air-breathing member and have the dust bag of air-permeative filter layer and the dust guiding tube spare that is communicated with dust bag, the dust that produces in the time of can aspirating the blackboard eraser wiping at any time, prevent that dust from flying upward diffusion everywhere, to keep the cleaning of place to operate schools.

Claims

1, a kind of Dust collector for blackboard eraser device is characterized in that comprising casing, air-breathing member, door leaf, dust bag and dust guiding tube spare; Be provided with internal box in the described casing, form the external space and interior space between casing and the internal box, the casing bottom side is provided with the exhaust outlet that is communicated with the external space, and internal box is provided with saturating dead slot seat that is communicated with inside and outside space and the saturating empty passage that passes casing; Described air-breathing member is installed on internal box groove seat place and forms airtightly, and its air-breathing ring and air exhaust loop are communicated with inside and outside space respectively; Described door leaf is sheathed in the passage of internal box and forms airtightly, and door leaf articulates casing and can cut out or open; Described dust bag is the spatial accommodation that is bonded into by the air-permeative filter layer, places the interior space of internal box, and the one side is provided with perforation and is provided with bonding element; Cover was through in the perforation of dust bag after described dust guiding tube spare one end articulated a connector and passes door leaf, and connector is provided with can the bonding element of tight affixed dust bag and form airtight bonding element, and the end in addition of dust guiding tube spare is connected with blackboard eraser.