CN204977988U - Blackboard eraser of regeneration chalk - Google Patents
Blackboard eraser of regeneration chalk Download PDFInfo
- Publication number
- CN204977988U CN204977988U CN201520571389.5U CN201520571389U CN204977988U CN 204977988 U CN204977988 U CN 204977988U CN 201520571389 U CN201520571389 U CN 201520571389U CN 204977988 U CN204977988 U CN 204977988U
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- China
- Prior art keywords
- chalk
- regenerating unit
- blackboard eraser
- dust
- regeneration
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Abstract
The utility model relates to a teaching stationery discloses a blackboard eraser of regeneration chalk, including the wiping arrangement, dust extraction and passing through dust extraction with fixed regenerating unit is connected to the wiping arrangement, wherein, the wiping arrangement is fixed the central authorities of dust extraction up end, regenerating unit connects it is fixed on dust extraction's the lower terminal surface. The problem of chalk dust raise dust through regenerating unit, with collecting the chalk dust regeneration chalk of getting up, has been solved promptly to the chalk dust that utilizes dust extraction to absorb and collect the process of cleaning, has avoided the chalk dust directly to get rid of the wasting of resources that causes again, through the telescopic shell, has increased the scope of cleaning of blackboard eraser, has improved the efficiency of cleaning the blackboard.
Description
Technical field
The utility model relates to a kind of teaching stationery, particularly a kind of blackboard eraser regenerating chalk.
Background technology
Blackboard eraser is an indispensable part in daily teaching work, although present teaching method there occurs very large change, teaching aid is more and more modernization also, but blackboard writing is because of its advantage such as convenient and swift, still have its irreplaceable status and generality, the use of blackboard eraser is also still very frequent.
Common blackboard eraser has its salient feature, i.e. compact, practical and convenient, wipes clean effective, long service life etc.But its shortcoming is also clearly, usually can find that teacher or student are when the common blackboard eraser of use erases the board, except one hold blackboard eraser blackboard wiping except, an other hand often must cover mouth and nose.That is because can with a large amount of airborne dusts (being mostly chalk dust) when using common blackboard eraser.And that be subject to the impact of airborne dust is not only the classmate or teacher that erase the board, and the student be punished for being related at front row also can be affected.The harm of airborne dust is self-evident, and excessive suction can cause serious harm to the lung of human body, and what this situation was the most frequent still more occurs on classroom, and that is injured mostly is child, and harmfulness is just larger.
Application number is CN201320147907.1, name is called in a kind of patent of dust-removing blackboard eraser, by arranging dust absorption fan and dust removing tube in the inside of blackboard eraser main body, the chalk dust that blackboard eraser produces in wiping process is by air suction opening and collecting hood inspiration blackboard eraser main body, chalk dust is removed in dust removing tube, the gas that such dust absorption fan is produced by boasting would not carry chalk dust, and then serves the object of removing chalk dust.
In the technical scheme of above-mentioned patent document, utilize electric dust absorption fan and dust removing tube, although can reduce the airborne dust of chalk dust to a certain extent, collected chalk dust is directly removed, and causes the direct wasting of resources.
Utility model content
The utility model provides a kind of blackboard eraser regenerating chalk dust, utilize dust exhaust apparatus to draw and collect the chalk dust of wiping process, pass through regenerating unit, by collected chalk dust regeneration chalk, namely solve the problem of chalk dust airborne dust, turn avoid chalk dust and directly remove the wasting of resources caused, by telescopic shell, increase the wiping scope of blackboard eraser, improve the efficiency of blackboard wiping.
For achieving the above object, the utility model provides following technical scheme:
A kind of blackboard eraser regenerating chalk, comprise wiping arrangement, also comprise dust exhaust apparatus, with the regenerating unit be connected and fixed by described dust exhaust apparatus and described wiping arrangement, wherein, described wiping arrangement is fixed on the central authorities of described dust exhaust apparatus upper surface, fixing on the lower surface that described regenerating unit is connected to described dust exhaust apparatus.
Preferably, also comprise retractor device, described retractor device is set on outside described regenerating unit one end, can along the relative slip of described regenerating unit length bearing of trend.
Preferably, two sides of the length bearing of trend of described dust exhaust apparatus are processed with circular arc, in the central authorities of upper surface, processing sets up has the groove being used for fixing and clamping described wiping arrangement, the outline track of parallel described dust exhaust apparatus, between described groove and all sides of described outline, offer multiple through hole.
Preferably, described regenerating unit entirety is in cuboid profile, two sides of length bearing of trend are processed with circular arc, comprise the airtight housing being around in outer peripheral face, be laid on described enclosure interior, for collecting and store the driving section of chalk dust, and the rotating roller driving described driving section to rotate and drive source, with the groove die cavity being used for regenerating shaping chalk, wherein, described driving section becomes upper and lower two-layer interval, the first closed setting connected that is connected, described live-roller is folded in centre, described drive source is arranged on one end of described regenerating unit, described groove die cavity is opened in described driving section along described regenerating unit length bearing of trend, one of them terminal tail.
Preferably, described groove die cavity is arranged on described regenerating unit and telescoping mechanism and is slidably matched and holds, turned to the corner of the rotation of vertical direction by horizontal direction against described driving-belt, lower than the setting on the upper strata of described driving-belt, described drive source is fixedly installed on described regenerating unit away from the other one end be slidably matched with described telescoping mechanism.
Preferably, described drive source is the drivable direct current generator of battery.
Preferably, described telescoping mechanism, along the inner side of described regenerating unit length bearing of trend, is provided with track, in the two sides of described regenerating unit length bearing of trend, offers groove.
Preferably, described telescoping mechanism two side tail ends are provided with buckle, described regenerating unit and the side of matching of described telescoping mechanism, be provided with snap ring from the position close to end face.
Compared with prior art, the utility model tool has the following advantages and beneficial effect: utilize dust exhaust apparatus to draw and collect the chalk dust of wiping process, pass through regenerating unit, by collected chalk dust regeneration chalk, namely solve the problem of chalk dust airborne dust, turn avoid chalk dust and directly remove the wasting of resources caused, by telescopic shell, increase the wiping scope of blackboard eraser, improve the efficiency of blackboard wiping.
Accompanying drawing explanation
A kind of structural upright schematic diagram regenerating the blackboard eraser of chalk that Fig. 1 provides for the utility model embodiment;
A kind of structural representation regenerating the blackboard eraser of chalk that Fig. 2 provides for the utility model embodiment;
Fig. 3 for the utility model embodiment provide for a kind of dust exhaust apparatus structural representation regenerating the blackboard eraser of chalk;
Fig. 4 for the utility model embodiment provide for a kind of regenerating unit structural representation regenerating the blackboard eraser of chalk.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described as a device shown in the figure or feature and other devices or feature.Should be understood that, space relative terms is intended to comprise the different azimuth in use or operation except the described in the drawings orientation of device.Such as, " in other devices or structure below " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ".Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... below " two kinds of orientation.This device also can other different modes location (90-degree rotation or be in other orientation), and relatively describe space used here and make respective explanations.
Please refer to Fig. 1 to Fig. 4, a kind of structural upright schematic diagram regenerating the blackboard eraser of chalk that Fig. 1 provides for the utility model embodiment, a kind of structural representation regenerating the blackboard eraser of chalk that Fig. 2 provides for the utility model embodiment, Fig. 3 for the utility model embodiment provide for a kind of dust exhaust apparatus structural representation regenerating the blackboard eraser of chalk, Fig. 4 for the utility model embodiment provide for a kind of regenerating unit structural representation regenerating the blackboard eraser of chalk.
As shown in Figure 1, a kind of blackboard eraser regenerating chalk, comprise wiping arrangement 10, dust exhaust apparatus 20, with the regenerating unit 30 be connected and fixed by dust exhaust apparatus 20 and wiping arrangement 10, wherein, wiping arrangement 10 is fixed on the upper surface central authorities of dust exhaust apparatus 20, fixing on the lower surface that regenerating unit 30 is fixedly connected on dust exhaust apparatus 20.Wiping arrangement 10 is in the process of blackboard wiping, chalk dust is absorbed by dust exhaust apparatus 20 and collects, and is stored in inside regenerating unit 30, by the recycling again of regenerating unit 30 pairs of chalk dusts, both solved the problem of chalk dust airborne dust, and turn avoid chalk dust and directly outwell the wasting of resources caused.
Alternatively, also comprise, be set on outside regenerating unit 30 one end, can along regenerating unit 30 length bearing of trend, the retractor device 40 of relative movement, can the telescoping mechanism 40 of relative sliding by relative regenerating unit 30, extends the size of regenerating unit 30 at its length bearing of trend, increase the wiping scope of blackboard eraser, improve the efficiency of blackboard wiping.
As shown in Figure 3, dust exhaust apparatus 20 entirety is in cuboid profile, conveniently blackboard eraser is in the assurance of wiping process, two sides of the length bearing of trend of dust exhaust apparatus 20 are processed with circular arc, and in the central authorities of upper surface, processing sets up has the groove 21 being used for fixing clamping wiping arrangement 10, the outline track of parallel dust exhaust apparatus 20, between groove 21 and outline week side, offer multiple through hole 21, to collect the chalk dust that wiping arrangement 10 drops at wiping process.
As shown in Figure 2 and Figure 4, regenerating unit 30 entirety is in cuboid profile, two sides of length bearing of trend are processed with circular arc, comprise the airtight housing 31 being around in outer peripheral face, be laid on housing 31 inner, for collecting and store the driving section 32 of chalk dust, and drive rotating roller 33 and the drive source 34 of driving section 32 rotation, with the groove die cavity 35 being used for regenerating shaping chalk, wherein upper and lower two-layer interval, 32 one-tenth, driving section, the first closed setting connected that is connected, live-roller 33 is folded in centre, drive source 34 is arranged on one end of regenerating unit 30, groove die cavity 35 is opened in driving section 32 along regenerating unit 30 length bearing of trend, one of them terminal tail.Pass through rotating shaft, live-roller 33 is driven to rotate, thus drive driving section 32 inner at regenerating unit 30, along length bearing of trend, the rolling of circulation, focuses on one end of regenerating unit 30 endlessly by the chalk dust that collection is come, collection piles with and is preset with chalk profile groove die cavity 35, use relatively rotating of rotating shaft, rub and form, the recycling of chalk dust regeneration chalk can be completed.
Alternatively, preset chalk profile groove die cavity 35 to be arranged on regenerating unit 30 and to be slidably matched with telescoping mechanism 40 and to hold, turned to the corner of the rotation of vertical direction by horizontal direction against driving-belt 32, lower than the setting on the upper strata of driving-belt 32, drive source 34 is fixedly installed on regenerating unit 30 away from the other one end be slidably matched with telescoping mechanism 40.Thus driving section 32, by the driving of drive source 34, by collecting the chalk dust of coming, being transported and being deposited in groove die cavity 35, relatively rotating by rotating shaft, rubbing, extrude, finally in groove die cavity 35, forming complete chalk.When needing, directly push telescoping mechanism 40 open, can take out easily.
Alternatively, drive source 34 is the common drivable direct current generator of battery.
Alternatively, telescoping mechanism 40 is along the inner side of regenerating unit 30 length bearing of trend, be provided with track, in the two sides of regenerating unit 30 length bearing of trend, offer groove, by the guide rail of telescoping mechanism 40 madial wall, with the groove of regenerating unit 30 side, the cooperation of engaging, telescoping mechanism 40 can be crossed according to the direction of predetermined trajectory, relative movement, and can not depart from.Preferably, adopt folding stretching structure, telescoping mechanism 40 two side tail ends are provided with buckle, and regenerating unit 30 and the side of matching of telescoping mechanism 40, be provided with snap ring from the position close to end face.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solutions of the utility model; therefore; every content not departing from technical solutions of the utility model; the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all belong to the protection domain of technical solutions of the utility model.
Claims (8)
1. one kind regenerates the blackboard eraser of chalk, comprise wiping arrangement, it is characterized in that, also comprise dust exhaust apparatus, with the regenerating unit be connected and fixed by described dust exhaust apparatus and described wiping arrangement, wherein, described wiping arrangement is fixed on the central authorities of described dust exhaust apparatus upper surface, fixing on the lower surface that described regenerating unit is connected to described dust exhaust apparatus.
2. the blackboard eraser of regeneration chalk according to claim 1, is characterized in that, also comprise telescoping mechanism, and described telescoping mechanism is set on outside described regenerating unit one end, can along the relative slip of described regenerating unit length bearing of trend.
3. the blackboard eraser of regeneration chalk according to claim 2, it is characterized in that, two sides of the length bearing of trend of described dust exhaust apparatus are processed with circular arc, in the central authorities of upper surface, processing sets up has the groove being used for fixing and clamping described wiping arrangement, the outline track of parallel described dust exhaust apparatus, between described groove and all sides of described outline, offers multiple through hole.
4. the blackboard eraser of regeneration chalk according to claim 3, it is characterized in that, described regenerating unit entirety is in cuboid profile, two sides of length bearing of trend are processed with circular arc, comprise the airtight housing being around in outer peripheral face, be laid on described enclosure interior, for collecting and store the driving section of chalk dust, and the rotating roller driving described driving section to rotate and drive source, driving-belt, with the groove die cavity being used for regenerating shaping chalk, wherein, described driving section becomes upper and lower two-layer interval, join end to end the closed setting connected, described rotating roller is folded in centre, described drive source is arranged on one end of described regenerating unit, described groove die cavity is opened in described driving section along described regenerating unit length bearing of trend, one of them terminal tail.
5. the blackboard eraser of regeneration chalk according to claim 4, it is characterized in that, described groove die cavity is arranged on described regenerating unit and telescoping mechanism and is slidably matched and holds, turned to the corner of the rotation of vertical direction by horizontal direction against described driving-belt, lower than the setting on the upper strata of described driving-belt, described drive source is fixedly installed on described regenerating unit away from the other one end be slidably matched with described telescoping mechanism.
6. the blackboard eraser of regeneration chalk according to claim 5, is characterized in that, described drive source is the drivable direct current generator of battery.
7. the blackboard eraser of regeneration chalk according to claim 2, is characterized in that, described telescoping mechanism, along the inner side of described regenerating unit length bearing of trend, is provided with track, in the two sides of described regenerating unit length bearing of trend, offers groove.
8. the blackboard eraser of regeneration chalk according to claim 7, is characterized in that, described telescoping mechanism two side tail ends are provided with buckle, and described regenerating unit and the side of matching of described telescoping mechanism, be provided with snap ring from the position close to end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571389.5U CN204977988U (en) | 2015-08-01 | 2015-08-01 | Blackboard eraser of regeneration chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571389.5U CN204977988U (en) | 2015-08-01 | 2015-08-01 | Blackboard eraser of regeneration chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204977988U true CN204977988U (en) | 2016-01-20 |
Family
ID=55112395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520571389.5U Expired - Fee Related CN204977988U (en) | 2015-08-01 | 2015-08-01 | Blackboard eraser of regeneration chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204977988U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313947A (en) * | 2016-08-29 | 2017-01-11 | 彭展忠 | Environment-friendly dust-free teaching aid with humidifying device |
| CN107554151A (en) * | 2017-09-07 | 2018-01-09 | 钦州学院 | The automatic dust-catching type device to erase the board |
| CN110757989A (en) * | 2018-09-01 | 2020-02-07 | 都函 | Automatic dust absorption blackboard of intelligence teaching |
| CN111204161A (en) * | 2018-11-21 | 2020-05-29 | 齐皓宇 | High-adsorption dustproof renewable chalk eraser and preparation and use method thereof |
-
2015
- 2015-08-01 CN CN201520571389.5U patent/CN204977988U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313947A (en) * | 2016-08-29 | 2017-01-11 | 彭展忠 | Environment-friendly dust-free teaching aid with humidifying device |
| CN106313947B (en) * | 2016-08-29 | 2017-11-14 | 彭展忠 | Environment-friendly dustless teaching aid with humidification device |
| CN107554151A (en) * | 2017-09-07 | 2018-01-09 | 钦州学院 | The automatic dust-catching type device to erase the board |
| CN110757989A (en) * | 2018-09-01 | 2020-02-07 | 都函 | Automatic dust absorption blackboard of intelligence teaching |
| CN111204161A (en) * | 2018-11-21 | 2020-05-29 | 齐皓宇 | High-adsorption dustproof renewable chalk eraser and preparation and use method thereof |
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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 Termination date: 20160801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |