CN205573430U - Crawler eraser - Google Patents
Crawler eraser Download PDFInfo
- Publication number
- CN205573430U CN205573430U CN201620155898.4U CN201620155898U CN205573430U CN 205573430 U CN205573430 U CN 205573430U CN 201620155898 U CN201620155898 U CN 201620155898U CN 205573430 U CN205573430 U CN 205573430U
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- CN
- China
- Prior art keywords
- plate
- crawler
- eraser
- housing
- dust
- 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
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Abstract
The utility model discloses a crawler eraser, including casing, the handle device of setting above the casing, still include recovery unit and cleaning device, recovery unit includes scraper blade switch, liftable scraping plate mechanism and fixes the dust collection box in the casing, liftable scraping plate mechanism includes the push rod, links board and scraper blade, cleaning device includes two cavitys form athey wheels, install track in the athey wheel outer fringe, set up on the cleaning cloth layer on track surface and set up the driving motor who is used for the walking of drive track wheel at every athey wheel cavity intracavity. The utility model discloses combine together recovery unit and cleaning device, can not only carry out recycle to the chalk dust, adopt the drive of electronic mode clean moreover, save time and physical power.
Description
Technical field
This utility model relates to blackboard eraser for teaching, in particular to a kind of crawler eraser.
Background technology
Traditional blackboard eraser in use, can cause chalk dust to fly upward everywhere, not only can be to teachers and students
Healthy formation harm, also can cause environmental pollution.Have at present electrostatic roll type, wet
All kinds of blackboard erasers such as profit type, suction ash type, but electrostatic roll type blackboard eraser involves great expense, it is impossible to
Promote on a large scale.Wet type blackboard eraser, on the one hand cleaning dynamics is limited, needs repeatedly firmly to wipe
Wipe；On the other hand, after wiping, blackboard could use after needing to air-dry, and affects speed of writing.
The suction ash dynamics inhaling ash type blackboard eraser is inadequate, can have a strong impact on dust removing effects.Additionally, it is existing
Chalk dust also cannot be regathered recycling by blackboard eraser, causes the waste of resource.
Summary of the invention
The purpose of this utility model seeks to provide a kind of crawler eraser.This crawler-type blackboard
Wipe and retracting device and cleaning device are combined, chalk dust can not only be recycled, and
And use cleaning driven electrically, time-consuming and physical, wiping is convenient, cleaning effect is good.
For achieving the above object, the crawler eraser designed by this utility model, including housing,
It is arranged on the door handle device above housing, also includes retracting device and cleaning device, described recovery
Device includes scraping switching plate, liftable scraping plate mechanism and the dust recovery being fixed in housing
Case, described liftable scraping plate mechanism includes push rod, connecting plate and scraper plate, and one end of described push rod leads to
Crossing hinges with to scrape switching plate hinged, the middle part activity of the other end of described push rod and connecting plate is even
Connecing, one end of described connecting plate is hinged with the top of housing by fixed hinge, described connecting plate another
One end is flexibly connected with scraper plate by bearing pin, is additionally provided with spring between described connecting plate and scraper plate；Institute
The top stating housing is provided with for the guide rail for scraping switching plate slide anteroposterior, the two ends of described guide rail
It is equipped with for the buckle spacing to scraping switching plate, is additionally provided with in described housing for connecting plate is limited
The block of position；Described dust collection box is provided with dust inlet, dust outlet and for opening
Or the case lid of Guan Bi dust outlet, is provided with guide plate, sets after guide plate at described dust inlet
There is the dividing plate preventing dust from flowing backwards；
The shoe that described cleaning device includes two hollow form Athey wheels, is arranged in Athey wheel outer rim
Carry, be arranged on the cleaning layer of cloth of track surface and be arranged on the interior use of each Athey wheel cavity
In the driving motor driving Athey wheel walking；It is provided with for fixed drive motor in described housing
Rack tube, the opening of described rack tube is provided with sealing plate, and the output shaft of described driving motor is worn
Crossing sealing plate to be in transmission connection with drive plate, described drive plate is in transmission connection by keyway with Athey wheel,
Being arranged with the bearing of radial interference fit therewith on described rack tube, described Athey wheel passes through bearing
It is arranged on rack tube.
Further, circumferentially spaced several cannelures that arranges of the outer wall of described Athey wheel, institute
State crawler belt inwall to be provided with and the raised item of cannelure mating shapes, thus desirably prevent crawler belt
Break away, it is ensured that Athey wheel is properly functioning.
Further, the accumulator for power supply, described accumulator position it are additionally provided with in described housing
In the cavity between two Athey wheels, also include being arranged on housing side charging inlet and
Rectifier transformer, described charging inlet electrically connects with rectifier transformer, described rectifier transformer with
Storage battery connects.During charging, charging inlet connects alternating current, and rectified transformator is electric power storage
Charging in pond, electrical appliance part is isolated with remaining part, uses cleaning driven electrically, during saving
Between and muscle power, wiping is convenient, cleaning effect is good.
Further, described door handle device is provided with the motor switch controlling to drive motor, passes through
Motor switch controls to drive being turned on and off of motor, simple to operate, convenient.
Yet further, described cleaning layer of cloth is for being adhered to dismountable bed of cloth in track surface
Or the elastical cloth bed of material being set in track surface, be conducive to cleaning layer of cloth be carried out or
Person changes.
Further, described cleaning layer of cloth is cotton and/or nylon layer of cloth, can produce during friction
Electrostatic Absorption dust, is conducive to cleaning chalk dust up hill and dale, and cleaning effect is strong.
Compared with prior art, this utility model has the advantage that
One, retracting device and cleaning device are combined by this utility model, can enter chalk dust
Row recycles, it is to avoid chalk dust flies upward everywhere, and resource reusable edible；
Its two, between this utility model scraper plate and connecting plate use bearing pin be connected, scraper plate can be around bearing pin
Rotating, scraper plate is also limited by spring simultaneously, when scraper plate is driven around bearing pin by cleaning layer of cloth frictional force
During rotation, spring pulls it back, and makes scraper plate produce elasticity while striking off cleaning layer of cloth surface
Vibration, improves dust removal effect further；
Its three, this utility model use cleaning driven electrically, time-consuming and physical, wipe
Wipe conveniently, cleaning effect good；
Its four, this utility model simple in construction, production cost are low, practical, are conducive to pushing away
Wide utilization.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of crawler eraser；
Fig. 2 is the side view of cleaning device in Fig. 1；
Fig. 3 is the partial enlarged drawing of liftable scraping plate mechanism in Fig. 1；
Wherein: housing 1, door handle device 2, retracting device 3, cleaning device 4, Athey wheel
4.1, crawler belt 4.2, cleaning layer of cloth 4.3, drive motor 4.4, rack tube 4.5, sealing plate 4.6,
Drive plate 4.7, bearing 4.8, scrape switching plate 5, guide rail 5.1, buckle 5.2, block 5.3,
Liftable scraping plate mechanism 6, push rod 6.1, connecting plate 6.2, scraper plate 6.3, spring 6.4, dust return
Receive case 7, dust inlet 7.1, dust outlet 7.2, case lid 7.3, guide plate 7.4, dividing plate 7.5,
Accumulator 8, charging inlet 9, rectifier transformer 10, motor switch 11.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Crawler eraser shown in figure, including housing 1, is arranged on the handle above housing 1
Arm device 2, also includes retracting device 3 and cleaning device 4, and retracting device 3 includes that scraper plate is opened
Pass 5, liftable scraping plate mechanism 6 and the dust collection box 7 being fixed in housing 1, can
Lifting scraping plate mechanism 6 includes push rod 6.1, connecting plate 6.2 and scraper plate 6.3, one end of push rod 6.1
By hinges with to scrape switching plate 5 hinged, the other end of push rod 6.1 with in connecting plate 6.2
Portion is flexibly connected, and one end of connecting plate 6.2 is hinged with the top of housing 1 by fixed hinge, even
The other end of plate 6.2 is flexibly connected with scraper plate 6.3 by bearing pin, connecting plate 6.2 and scraper plate 6.3 it
Between be additionally provided with spring 6.4；The top of housing 1 is provided with for for scraping switching plate 5 slide anteroposterior
Guide rail 5.1, the two ends of guide rail 5.1 are equipped with for scraping the spacing buckle of switching plate 5 5.2,
It is additionally provided with in housing 1 for the block 5.3 spacing to connecting plate 6.2；Dust collection box 7 is provided with
Dust inlet 7.1, dust outlet 7.2 and for opening or close dust outlet 7.2
Case lid 7.3, is provided with guide plate 7.4, after dust is scraped off by scraper plate 6.3 at dust inlet 7.1
Entering in dust collection box 7 along guide plate 7.1, guide plate 7.4 is provided with dividing plate 7.5 below,
In order to prevent dust from flowing backwards.
Cleaning device 4 includes two hollow form Athey wheels 4.1, is arranged on Athey wheel 4.1 outer rim
On crawler belt 4.2, be arranged on the cleaning layer of cloth 4.3 on crawler belt 4.2 surface and be arranged on each
For the driving motor 4.4 driving Athey wheel 4.1 to walk in Athey wheel 4.1 cavity；Housing 1
Inside being provided with the rack tube 4.5 for fixed drive motor 4.4, the opening of rack tube 4.5 is provided with
Sealing plate 4.6, drives the output shaft of motor 4.4 through sealing plate 4.6 and drive plate 4.7 transmission
Connecting, drive plate 4.7 is in transmission connection by keyway with Athey wheel 4.1, and rack tube 4.5 overlaps
Being provided with the bearing 4.8 of radial interference fit therewith, Athey wheel 4.1 is arranged on by bearing 4.8 and props up
On frame cylinder 4.5, door handle device 2 is provided with the motor switch 11 controlling to drive motor 4.4, adopts
Using cleaning driven electrically, time-consuming and physical, wiping is convenient, cleaning effect is good.
In technique scheme, the outer wall of Athey wheel 4.1 is circumferentially spaced arranges several annulars
Groove, crawler belt 4.2 inwall is provided with and the raised item of cannelure mating shapes, thus is conducive to anti-
Only crawler belt 4.2 breaks away, it is ensured that Athey wheel 4.1 is properly functioning.
In technique scheme, in housing 1, it is additionally provided with the accumulator 8 for power supply, accumulator
8 are located in the cavity between two Athey wheels 4.1, also include being arranged on housing 1 side
Charging inlet 9 and rectifier transformer 10, charging inlet 9 electrically connects with rectifier transformer 10,
Rectifier transformer 10 electrically connects with accumulator 8.During charging, charging inlet 9 connects alternating current,
Rectified transformator 10 charges for accumulator 8, and electrical appliance part is isolated with remaining part, operation
Safely, conveniently.
In technique scheme, cleaning layer of cloth 4.3 is detachable for being adhered on crawler belt 4.2 surface
Bed of cloth or be set in the elastical cloth bed of material on crawler belt 4.2 surface, cleaning layer of cloth 4.3 be
Cotton and/or nylon layer of cloth, can produce Electrostatic Absorption dust during friction, is conducive to entering chalk dust
Row cleans up hill and dale, and cleaning effect is strong.
Use process of the present utility model: in wiping process, opens motor switch 11, even
Logical driving motor 4.4 and accumulator 8, make driving motor 4.4 start to rotate, drive motor 4.4
Use the gear motor of slow-speed of revolution high torque, drive Athey wheel 4.1 to rotate by drive plate 4.7,
Then drive crawler belt 4.2 shuttling movement, blackboard is carried out wiping.Meanwhile, by regulation scraper plate
Switch 5 makes scraper plate 6.3 arrive lowermost end, uses bearing pin even between scraper plate 6.3 and connecting plate 6.2
Connecing, scraper plate 6.3 can rotate around bearing pin, and scraper plate 6.3 is also limited by spring 6.4 simultaneously, when scraping
Plate 6.3 is driven when bearing pin rotates by cleaning layer of cloth 4.3 frictional force, and spring 6.4 pulls it back,
Make scraper plate 6.3 produce elastic vibration while cleaning layer of cloth 4.3 surface is struck off, carry further
High dust removal effect.
The above, detailed description of the invention the most of the present utility model, it is noted that any ripe
Know those skilled in the art in the technical scope disclosed by this utility model, can readily occur in
Change or replacement, all should contain within protection domain of the present utility model.
Claims (7)
1. a crawler eraser, including housing (1), is arranged on housing (1) top
Door handle device (2), it is characterised in that: also include retracting device (3) and cleaning device (4),
Described retracting device (3) include scraping switching plate (5), liftable scraping plate mechanism (6) and
The dust collection box (7) being fixed in housing (1), described liftable scraping plate mechanism (6) is wrapped
Including push rod (6.1), connecting plate (6.2) and scraper plate (6.3), one end of described push rod (6.1) leads to
Cross hinges with to scrape switching plate (5) hinged, the other end of described push rod (6.1) and connecting plate
(6.2) middle part is flexibly connected, and fixed hinge and shell are passed through in one end of described connecting plate (6.2)
The top of body (1) is hinged, and the other end of described connecting plate (6.2) is by bearing pin and scraper plate (6.3)
It is flexibly connected, between described connecting plate (6.2) and scraper plate (6.3), is additionally provided with spring (6.4)；
The top of described housing (1) is provided with for the guide rail (5.1) for scraping switching plate (5) slide anteroposterior,
The two ends of described guide rail (5.1) are equipped with for the buckle (5.2) spacing to scraping switching plate (5),
It is additionally provided with in described housing (1) for the block (5.3) spacing to connecting plate (6.2)；Described
Dust collection box (7) is provided with dust inlet (7.1), dust outlet (7.2) and is used for beating
Open or close the case lid (7.3) of dust outlet (7.2), described dust inlet (7.1) place
It is provided with guide plate (7.4), after described guide plate (7.4), is provided with the dividing plate (7.5) preventing dust from flowing backwards；
Described cleaning device (4) includes two hollow form Athey wheels (4.1), is arranged on crawler belt
Crawler belt (4.2) in wheel (4.1) outer rim, it is arranged on the cleaning layer of cloth on crawler belt (4.2) surface
(4.3) and it is used for driving Athey wheel (4.1) in being arranged on each Athey wheel (4.1) cavity
The driving motor (4.4) of walking；It is provided with for fixed drive motor (4.4) in described housing (1)
Rack tube (4.5), the opening of described rack tube (4.5) is provided with sealing plate (4.6), institute
State the output shaft driving motor (4.4) through sealing plate (4.6) and drive plate (4.7) transmission
Connecting, described drive plate (4.7) is in transmission connection by keyway with Athey wheel (4.1), described
The bearing (4.8) of radial interference fit therewith, described Athey wheel it is arranged with on rack tube (4.5)
(4.1) it is arranged on rack tube (4.5) by bearing (4.8).
Crawler eraser the most according to claim 1, it is characterised in that: described shoe
Circumferentially spaced several cannelures that arranges of the outer wall of belt wheel (4.1), described crawler belt (4.2)
Inwall is provided with and the raised item of cannelure mating shapes.
Crawler eraser the most according to claim 1, it is characterised in that: described shell
Being additionally provided with the accumulator (8) for power supply in body (1), described accumulator (8) is located at two
In cavity between individual Athey wheel (4.1).
Crawler eraser the most according to claim 1, it is characterised in that: also include
Be arranged on charging inlet (9) and the rectifier transformer (10) of housing (1) side, described in fill
Electrical interface (9) electrically connects with rectifier transformer (10), described rectifier transformer (10) with
Accumulator (8) electrically connects.
Crawler eraser the most according to claim 1, it is characterised in that: described
Arm device (2) is provided with the motor switch (11) controlling to drive motor (4.4).
Crawler eraser the most according to claim 1, it is characterised in that: described clearly
Clean layer of cloth (4.3) is for being adhered on crawler belt (4.2) surface dismountable bed of cloth or sheathed
The elastical cloth bed of material on crawler belt (4.2) surface.
7. according to the crawler eraser described in claim 1 or 6, it is characterised in that: institute
State cleaning layer of cloth (4.3) for cotton and/or nylon layer of cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155898.4U CN205573430U (en) | 2016-03-01 | 2016-03-01 | Crawler eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155898.4U CN205573430U (en) | 2016-03-01 | 2016-03-01 | Crawler eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205573430U true CN205573430U (en) | 2016-09-14 |
Family
ID=56870229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620155898.4U Expired - Fee Related CN205573430U (en) | 2016-03-01 | 2016-03-01 | Crawler eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205573430U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415547A (en) * | 2017-08-22 | 2017-12-01 | 苏州市智水环境科研技术有限公司 | A kind of environment-friendly dust-proof eraser |
| CN108237824A (en) * | 2018-01-02 | 2018-07-03 | 于翊凡 | A kind of whiteboard eraser |
| CN108749422A (en) * | 2018-05-22 | 2018-11-06 | 云南经济管理学院 | A kind of teaching automatic blackboard cleaning device |
| CN109203798A (en) * | 2018-10-30 | 2019-01-15 | 广东工业大学华立学院 | A kind of blackboard brush |
| CN111361333A (en) * | 2020-03-20 | 2020-07-03 | 赵泽明 | Blackboard-writing device for education |
| CN111572249A (en) * | 2020-06-29 | 2020-08-25 | 上海移远通信技术股份有限公司 | Intelligent blackboard eraser |
| CN112238696A (en) * | 2019-11-15 | 2021-01-19 | 林超文 | Dust-free environment-friendly blackboard writing device |
| CN112976894A (en) * | 2021-03-01 | 2021-06-18 | 杨菊红 | Blackboard eraser capable of reducing dust for education and teaching |
-
2016
- 2016-03-01 CN CN201620155898.4U patent/CN205573430U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415547A (en) * | 2017-08-22 | 2017-12-01 | 苏州市智水环境科研技术有限公司 | A kind of environment-friendly dust-proof eraser |
| CN108237824A (en) * | 2018-01-02 | 2018-07-03 | 于翊凡 | A kind of whiteboard eraser |
| CN108749422A (en) * | 2018-05-22 | 2018-11-06 | 云南经济管理学院 | A kind of teaching automatic blackboard cleaning device |
| CN109203798A (en) * | 2018-10-30 | 2019-01-15 | 广东工业大学华立学院 | A kind of blackboard brush |
| CN109203798B (en) * | 2018-10-30 | 2022-11-25 | 广东工业大学华立学院 | Blackboard brush |
| CN112238696A (en) * | 2019-11-15 | 2021-01-19 | 林超文 | Dust-free environment-friendly blackboard writing device |
| CN111361333A (en) * | 2020-03-20 | 2020-07-03 | 赵泽明 | Blackboard-writing device for education |
| CN111361333B (en) * | 2020-03-20 | 2021-06-22 | 威海海洋职业学院 | Blackboard-writing device for education |
| CN111572249A (en) * | 2020-06-29 | 2020-08-25 | 上海移远通信技术股份有限公司 | Intelligent blackboard eraser |
| CN112976894A (en) * | 2021-03-01 | 2021-06-18 | 杨菊红 | Blackboard eraser capable of reducing dust for education and teaching |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20170301 |