CN204977992U - Motor -driven blackboard eraser - Google Patents
Motor -driven blackboard eraser Download PDFInfo
- Publication number
- CN204977992U CN204977992U CN201520767924.4U CN201520767924U CN204977992U CN 204977992 U CN204977992 U CN 204977992U CN 201520767924 U CN201520767924 U CN 201520767924U CN 204977992 U CN204977992 U CN 204977992U
- Authority
- CN
- China
- Prior art keywords
- gathering arrester
- dust gathering
- inner chamber
- dust
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 claims abstract description 91
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 230000008278 dynamic mechanism Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a motor -driven blackboard eraser, include the casing and install the dust cage in the casing top, the bottom of dust cage is provided with the gas access of intercommunication casing inner chamber and dust cage inner chamber, the right side portion of dust cage is provided with the gas outlet, the casing mid -mounting has its rotatory pivot by dynamic mechanism driving, the brush hair dish is installed to the lower extreme of pivot, the equipartition has the brush hair that stretches out the casing bottom on the lower terminal surface of brush hair dish, the equipartition has a plurality ofly and the through -hole adjacent setting of brush hair mounted position on the disk body of brush hair dish, stretch into to its inner chamber in and its upper end is installed and to be coiled the gaseous rotating vane who sucks to the dust cage inner chamber in the peripheral region with the brush hair from the gas access of dust cage for the upper end of pivot, the gas outlet department of dust cage is provided with the filter equipment of filterable dust. This motor -driven blackboard eraser simple structure, convenient to use can reduce the intensity of labour when blacking the board to collection chalk dust that can be convenient.
Description
Technical field
The utility model relates to a kind of blackboard eraser, particularly relates to a kind of electric blackboard eraser with dust-absorbing function.
Background technology
Blackboard eraser is instrument conventional in teaching process, but current used blackboard eraser is generally the simplest and easy, the most traditional blackboard eraser, user's swing arm back and forth is fast needed when erasing the board, this work adds the labour intensity of user undoubtedly, and chalk dust can be caused to disperse in air, and each corner to classroom of being scattered, not only affect classroom environment, and serious threat student and teacher's is healthy, therefore be necessary to design a kind of frequency that can reduce swing arm back and forth, thus reduction labour intensity, and can by collected for chalk dust electric blackboard eraser while erasing the board.
Utility model content
It is simple that the technical problems to be solved in the utility model is to provide a kind of structure, easy to use, can reduce labour intensity, and can collect the electric blackboard eraser of chalk dust.
For solving the problems of the technologies described above, the utility model comprises housing and is arranged on the dust gathering arrester above housing, the bottom of described dust gathering arrester is provided with the gas access being communicated with housing cavity and dust gathering arrester inner chamber, the right side of described dust gathering arrester is provided with gas vent, described housing central section is provided with the rotating shaft driving it to rotate by actuating unit, the lower end of described rotating shaft is provided with bristle disk, the lower surface of described bristle disk is evenly equipped with the bristle stretching out housing bottom, the disk body of described bristle disk is evenly equipped with multiple through hole be disposed adjacent with bristle installation site, the upper end of described rotating shaft stretches to its inner chamber and its upper end and is provided with and gas in bristle disk peripheral region can be sucked into the rotating vane in dust gathering arrester inner chamber from the gas access of dust gathering arrester, the gas outlet of described dust gathering arrester is provided with can the filter of Chalk-dust filtering.
Adopt the blackboard cleaning device of said structure when erasing the board, can directly blackboard cleaning device be pressed against on blackboard, and by the mechanism's drive brush hair disc fast rotational that turns on the power, now because the effect of bristle disk lower end bristle can rapidly by the chalk font erasing on the blackboard of place, simultaneously and rely on the suction of rotating vane to be sucked in dust gathering arrester by the chalk dust of erasing, by the filter of dust gathering arrester gas outlet by dust-filtering in dust gathering arrester inner chamber, air is then expelled to dust gathering arrester outside by filter, finally reach light erasing chalk font, and collect the function of chalk dust.
Conveniently blackboard cleaning device slides freely on blackboard, and the bottom of described housing is provided with multiple Universal caster along the uniform setting in bristle disk edge, and the bottom of described bristle is to downward-extension and exceed the bottom of Universal caster.
Be connected with on the left of the inner chamber being positioned at housing and be horizontally disposed with gripper shoe, described actuating unit comprises installation motor on the supporting plate, and the output shaft of described motor is provided with master gear, described rotating shaft is provided with the pinion engaged with master gear.
Described filter comprises the hollow out shell wall that last point of dust gathering arrester shell wall has engraved structure, and the outside of described hollow out shell wall is coated with filter cloth.
The leak-proof device preventing the dust in its inner chamber from spilling from gas access is provided with in described dust gathering arrester.
Described leak-proof device comprises from gas access to the cylinder that dust gathering arrester inner chamber extends, and the outer end of described cylinder is connected with the shell wall of dust gathering arrester, described rotating vane to stretch in cylinder bore and the internal diameter of cylinder slightly larger than the external diameter of rotating vane.
Dust gathering arrester and housing are departed from thus topple over the dust in dust gathering arrester for convenience, described housing is provided with multiple connecting hole, be set with the rubber stopper with plug-in opening in described connecting hole, described dust gathering arrester by multiple to be arranged on bottom dust gathering arrester and the pin that can insert in rubber stopper and housing plug-in.
In sum, the utility model structure is simple, easy to use, can reduce labour intensity when erasing the board, and can collect chalk dust easily, and conveniently can be carried out by collected chalk dust concentrating and topple over.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 of the present utility modelly looks up structural representation;
Fig. 3 is plan structure schematic diagram of the present utility model;
Fig. 4 is the sectional structure schematic diagram along A-A line in Fig. 3;
Fig. 5 is the structural representation under the utility model using state.
Detailed description of the invention
With reference to accompanying drawing, the dust gathering arrester 2 that this electric blackboard eraser comprises housing 1 and is arranged on above housing 1, this housing 1 is for lacking the cuboid of upper right corner part structure, as shown in Figure 1, the side view of this housing in front view is L-shaped, the structure that housing 1 upper right corner lacks is carried out coupling by dust gathering arrester 2 and is replaced, and therefore housing 1 and dust gathering arrester 2 combination are a complete cuboid after installing, the rear wall of this housing 1 is provided with the supporting seat 18 extended to housing cavity center, this supporting seat 18 is provided with the rotating shaft 5 driving it to rotate by actuating unit, as shown in Figure 2, this rotating shaft 5 is preferably arranged with housing bottom center is concentric, the lower end of rotating shaft 5 is provided with bristle disk 6, the lower surface of this bristle disk 6 is evenly embedded with many bunches of bristles 7, simultaneously, the bottom of this housing 1 offer with bristle disk 6 coaxial arrange and diameter slightly larger than the bottom outlet of bristle disk 6 diameter, as shown in Figure 4, this bristle disk 6 can stretch out thus exceed bottom housing 1 from bottom outlet, now the length of bristle 7 can be about 10mm, certainly this bristle disk 6 also can be hidden in housing 1, now the external part of this bristle 7 to stretch out in bottom outlet to downward-extension, and its external part exceeds about 10mm bottom housing 1, chalk writing on erasing blackboard, the disk body of this bristle disk 6 is also evenly equipped with multiple through hole 13 be disposed adjacent with bristle 7 installation site, when therefore electric blackboard eraser being pressed against on blackboard surface, this bristle disk 6 rotates and bristle 7 can be driven the chalk writing erasing on blackboard, aforementioned dust gathering arrester 2 is for collecting the dust produced during erasing, the bottom of dust gathering arrester 2 is provided with the gas access 3 being communicated with housing 1 inner chamber and dust gathering arrester 2 inner chamber, the upper end of this rotating shaft 5 stretches to its inner chamber and its upper end and is provided with and gas in bristle disk 6 peripheral region can be sucked into the rotating vane 8 in dust gathering arrester 2 inner chamber from gas access 3, the preferred diameter of above-mentioned gas entrance 3 is slightly larger than the circular hole of rotating vane overall diameter, the right side of dust gathering arrester 2 is provided with gas vent 4, this gas vent 4 place is provided with can the filter of Chalk-dust filtering, therefore the gas with dust is blown into dust gathering arrester 2 inner chamber from gas access 3, by this filter by dust-filtering in dust gathering arrester 2 cavity, gas after filtration then blows out from filter, this filter comprises the hollow out shell wall that last point of dust gathering arrester 2 shell wall has engraved structure, and the arranged outside of hollow out shell wall has filter cloth 14, and this filter cloth 14 preferably covers outside hollow out shell wall in bonding mode, therefore can conveniently change when it is damaged.
Continue with reference to accompanying drawing, be connected with on the left of the inner chamber being positioned at housing 1 and be horizontally disposed with gripper shoe 20, the left side of this gripper shoe 20, front side portion and rear lateral portion respectively with the left side wall of housing 1, front side wall is connected with rear wall, be exactly specifically, housing left half cavity room is divided into upper and lower two-layer chamber as shown in Figure 4 by this gripper shoe, previous power mechanism is then for being vertically arranged on the motor 10 above gripper shoe, the output shaft of this motor 10 penetrates gripper shoe and stretches in the chamber below gripper shoe, and its end is provided with master gear 11, this rotating shaft 5 is provided with the pinion 12 engaged with master gear 11, therefore rotating shaft 5 is driven to rotate when motor 10 rotates, in order to abundant fixed support rotating shaft 5 rotates, vibrations are produced when preventing from rotating, the right side central of this gripper shoe extends one section of lug to casing center separately, this lug is used for the upper end of fixed rotating shaft, therefore this rotating shaft relies on upper and lower spaced lug and supporting seat 18 to keep it fully to be supported, this major and minor gear can adopt protective cover to carry out dust-proof protection, can certainly adopt the structure shown in figure, and both are exposed in housing 1 inner chamber, this motor 10 is preferably powered by the battery 19 above it, therefore use more for convenience, range of application is larger, battery 19 can certainly be cancelled, motor 10 is communicated with neighbouring power supply and uses by the power line that direct employing has a certain length, its shortcoming is the restriction by power supply line length, and the scope of application has limitation, but its advantage is the time can saved charging or change battery.
Continue with reference to accompanying drawing, because dust gathering arrester 2 needs to be separated with housing 1 frequently, thus topple over the dust of its internal gathering, therefore following plug-in structure is adopted between dust gathering arrester 2 and housing 1, namely multiple support otic placode extended to housing cavity is set on this housing 1, this support otic placode offers the connecting hole of up/down perforation, the harness of connecting hole inner sleeve has the rubber stopper 16 of plug-in opening, certainly, relevant position bottom this dust gathering arrester 2 is also provided with the pin 17 that can insert in plug-in opening, when pin 17 is inserted in plug-in opening, pin 17 is squeezed in plug-in opening by this rubber stopper 16 elastic deformation, the object that now reachability set dust hood 2 is fixing with housing 1, when needs disjoint set dust hood 2, promptly dust gathering arrester 2 is only needed upwards to pull, give pin 17 1 axial forces be pulled outwardly, this pin 17 just can be extracted out from plug-in opening, therefore the object that dust gathering arrester 2 is separated with housing 1 is reached, wherein, gripper shoe 20 on the left of this housing 1 can be offered completely connecting hole for plug-in mounting dust gathering arrester 2, therefore when dust gathering arrester 2 and housing are plug-in, the left side wall bottom surface of dust gathering arrester 2 seals with the end face of gripper shoe 20 and contacts, thus be a chamber sealed by the chamber shutoff above gripper shoe, when therefore can avoid work, dust enters and affects machine operation, the bottom surface of this dust gathering arrester seals with the housing end face of corresponding contact respectively and contacts in addition, final formation gas only can enter from housing bottom outlet region, from the venting channels that the gas outlet of dust gathering arrester is got rid of.
Continue with reference to accompanying drawing, conveniently movement is pressed against the electric blackboard eraser on blackboard, the bottom of housing 1 is provided with four Universal casters 9 along the uniform setting in bristle disk 6 edge, this Universal caster 9 is prior art, do not repeat them here, because Universal caster 9 adds the spacing distance of housing 1 bottom surface and blackboard surface, therefore the projecting end of bristle 7 continues downwards to extend and exceeds bottom about the 5mm of Universal caster 9.
Continue with reference to accompanying drawing, the leak-proof device preventing the dust in its inner chamber from spilling from gas access 3 is also provided with in dust gathering arrester 2, this leak-proof device comprises along edge, gas access 3 to the cylinder 15 that dust gathering arrester 2 inner chamber extends, the internal diameter of cylinder 15 is equal with the internal diameter of gas access 3, the extended height of this cylinder 15 accounts for 2/3 of dust gathering arrester 2 cavity heights, now, this rotating vane 8 stretches in cylinder 15 inner chamber.
As shown in Figure 5, when specifically using, first open motor power, and this electric blackboard eraser is directly pressed against on blackboard surface, due to the interval action of Universal caster 9, this bristle 7 can not be out of shape by excessive compression, thus impact erasing effect, again because Universal caster 9 supports rolling action, this electric blackboard eraser slides freely on blackboard surface, while this motor 10 drives bristle disk 6 to rotate, this rotating vane 8 also synchronous axial system, therefore the dust produced during erasing is sucked in dust gathering arrester 2 inner chamber by housing 1 inner chamber, due to the effect of filter, dust is filtered in dust gathering arrester 2, gas after filtration blows out from filter, namely said process completes the whole course of work of this electric blackboard eraser, when not working, can keep flat on the table by electric blackboard eraser, because cylinder 15 stretches into certain altitude to inner chamber, the dust therefore in dust gathering arrester 2 inner chamber can not spill from gas access 3.
Claims (7)
1. a blackboard cleaning device, it is characterized in that: comprise housing (1) and be arranged on the dust gathering arrester (2) above housing (1), the bottom of described dust gathering arrester (2) is provided with the gas access (3) being communicated with housing (1) inner chamber and dust gathering arrester (2) inner chamber, the right side of described dust gathering arrester (2) is provided with gas vent (4), described housing (1) middle part is provided with the rotating shaft (5) driving it to rotate by actuating unit, the lower end of described rotating shaft (5) is provided with bristle disk (6), the lower surface of described bristle disk (6) is evenly equipped with the bristle (7) stretching out housing (1) bottom, the disk body of described bristle disk (6) is evenly equipped with multiple through hole (13) be disposed adjacent with bristle (7) installation site, the upper end of described rotating shaft (5) stretches to its inner chamber and its upper end and is provided with the rotating vane (8) that gas in bristle disk (6) peripheral region can be sucked in dust gathering arrester (2) inner chamber from the gas access (3) of dust gathering arrester (2), gas vent (4) place of described dust gathering arrester (2) is provided with can the filter of Chalk-dust filtering.
2. electric blackboard eraser as claimed in claim 1, it is characterized in that: the bottom of described housing (1) is provided with multiple Universal caster (9) along the uniform setting in bristle disk (6) edge, the bottom of described bristle (7) is to downward-extension and exceed the bottom of Universal caster (9).
3. blackboard cleaning device as claimed in claim 1, it is characterized in that: be connected with on the left of the inner chamber being positioned at housing (1) and be horizontally disposed with gripper shoe, described actuating unit comprises installation motor on the supporting plate (10), the output shaft of described motor (10) is provided with master gear (11), described rotating shaft (5) is provided with the pinion (12) engaged with master gear (11).
4. electric blackboard eraser as claimed in claim 1, it is characterized in that: described filter comprises the hollow out shell wall that last point of dust gathering arrester (2) shell wall has engraved structure, the outside of described hollow out shell wall is coated with filter cloth (14).
5. electric blackboard eraser as claimed in claim 1, is characterized in that: be provided with the leak-proof device preventing the dust in its inner chamber from spilling from gas access (3) in described dust gathering arrester (2).
6. electric blackboard eraser as claimed in claim 5, it is characterized in that: described leak-proof device comprises the cylinder (15) extended from gas access (3) to dust gathering arrester (2) inner chamber, the outer end of described cylinder (15) is connected with the shell wall of dust gathering arrester (2), described rotating vane (8) to stretch in cylinder (15) inner chamber and the internal diameter of cylinder (15) slightly larger than the external diameter of rotating vane (8).
7. electric blackboard eraser as claimed in claim 1, it is characterized in that: (1) is provided with multiple connecting hole to described housing, be set with the rubber stopper (16) with plug-in opening in described connecting hole, described dust gathering arrester (2) is arranged on dust gathering arrester (2) bottom and can to insert pin (17) in rubber stopper (16) plug-in with housing (1) by multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520767924.4U CN204977992U (en) | 2015-10-06 | 2015-10-06 | Motor -driven blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520767924.4U CN204977992U (en) | 2015-10-06 | 2015-10-06 | Motor -driven blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204977992U true CN204977992U (en) | 2016-01-20 |
Family
ID=55112399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520767924.4U Expired - Fee Related CN204977992U (en) | 2015-10-06 | 2015-10-06 | Motor -driven blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204977992U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882268A (en) * | 2016-04-12 | 2016-08-24 | 宿州学院 | Blackboard eraser good in adaptability |
| CN108081834A (en) * | 2017-12-12 | 2018-05-29 | 郑州赫恩电子信息技术有限公司 | A kind of telescopic automatic dust-absorption blackboard eraser of middle and primary schools |
| CN109047081A (en) * | 2018-07-19 | 2018-12-21 | 苏州泰富金电子科技有限公司 | A kind of depositing dust formula geological prospecting rock sample clearing apparatus |
| CN112693253A (en) * | 2020-12-28 | 2021-04-23 | 成都兰腾科技有限公司 | Multifunctional device |
-
2015
- 2015-10-06 CN CN201520767924.4U patent/CN204977992U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882268A (en) * | 2016-04-12 | 2016-08-24 | 宿州学院 | Blackboard eraser good in adaptability |
| CN108081834A (en) * | 2017-12-12 | 2018-05-29 | 郑州赫恩电子信息技术有限公司 | A kind of telescopic automatic dust-absorption blackboard eraser of middle and primary schools |
| CN109047081A (en) * | 2018-07-19 | 2018-12-21 | 苏州泰富金电子科技有限公司 | A kind of depositing dust formula geological prospecting rock sample clearing apparatus |
| CN112693253A (en) * | 2020-12-28 | 2021-04-23 | 成都兰腾科技有限公司 | Multifunctional device |
| CN112693253B (en) * | 2020-12-28 | 2022-04-15 | 成都兰腾科技有限公司 | Multifunctional device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |