CN209580960U - A kind of blackboard eraser having dry and wet handoff functionality - Google Patents
A kind of blackboard eraser having dry and wet handoff functionality Download PDFInfo
- Publication number
- CN209580960U CN209580960U CN201821209589.6U CN201821209589U CN209580960U CN 209580960 U CN209580960 U CN 209580960U CN 201821209589 U CN201821209589 U CN 201821209589U CN 209580960 U CN209580960 U CN 209580960U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- shell
- wet
- grafting frame
- cuttage grafting
- 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
Abstract
The utility model discloses a kind of blackboard erasers for having dry and wet handoff functionality, including shell and cuttage grafting frame, the bottom of the shell is fixedly connected with several bar shaped pipes, the inside of the shell offers water cavity, filler is provided at the top of the shell, the bottom of the bar shaped pipe is fixedly connected with nanosponges, the cuttage grafting frame and the activity of bar shaped pipe are clamped, the bottom of the cuttage grafting frame is fixedly connected with several cotton pads, the first spring is fixedly connected between the bottom and cuttage grafting frame of the shell, the bottom of the shell offers card slot, the top two sides of the cuttage grafting frame are fixedly connected to strip, fixation hole is offered on the strip, the utility model structure is simple, it is convenient and practical, the mode of blackboard eraser dry and wet can freely be switched, it is adjusted according to the needs of actual conditions, and the function of included storage water, it is easy to operate, it uses It is convenient, application easy to spread.
Description
Technical field:
The utility model relates to teaching fields, and in particular to a kind of blackboard eraser for having dry and wet handoff functionality.
Background technique:
For wiping the tool of chalk writing, blackboard eraser is also.Teacher at school when writing on the blackboard is write on blackboard, chalk stays
Under writing can not will be wiped clean with common blackboard eraser, need to clean blackboard again with wet rag, it is complicated for operation, and
Inconvenience, existing wiping blackboard structure is too simple so as to cause function deficiency, does not have the function of wet rubbing, the utility model mentions
For a kind of blackboard eraser for having dry and wet handoff functionality.
Utility model content:
The technical problem to be solved by the utility model is to provide a kind of blackboard erasers for having dry and wet handoff functionality.
The following technical solution is employed for technical problem to be solved in the utility model to realize: one kind having dry and wet switching
The blackboard eraser of function, including shell and cuttage grafting frame, the bottom of the shell are fixedly connected with several bar shaped pipes, the shell it is interior
Portion offers water cavity, and filler is provided at the top of the shell, is connected at the top of the bottom of the water cavity and bar shaped pipe, institute
The bottom for stating bar shaped pipe is fixedly connected with nanosponges, and the cuttage grafting frame and the activity of bar shaped pipe are clamped, the bottom of the cuttage grafting frame
Several cotton pads are fixedly connected with, the first spring, the bottom of the shell are fixedly connected between the bottom and cuttage grafting frame of the shell
Portion offers card slot, and the inner wall of the card slot offers telescopic cavity, and the bottom of the telescopic cavity is fixedly connected with second spring, institute
The one end for stating second spring is fixedly connected with card key, and the top two sides of the cuttage grafting frame are fixedly connected to strip, the strip
On offer fixation hole.
Preferably, the card key and fixation hole activity are clamped.
Preferably, the strip and card slot face and activity clamping up and down.
Preferably, the card key and fixation hole are provided with eight groups.
Preferably, five groups of magnetic stripes are fixedly connected at the top of the shell.
Preferably, the side wall of the bar shaped pipe is fixedly installed with pulley.
Working principle of the utility model is: when cuttage grafting frame is not clamped with shell, under the action of the spring, cuttage grafting frame and outer
Shell separation, is wiped clean the chalk writing on blackboard by multilayer bar shaped cotton pad, when pressing down on cuttage grafting frame, strip and card slot card
It connects, squeezes second spring under card key, second spring pops up at fixation hole, and card key and mounting hole are clamped, and realizes cuttage grafting frame and its
The clamping of shell, cuttage grafting frame are retracted, and the nanosponges of bar shaped bottom of the tube are exposed, and water cavity, nanometer sea are provided in the inner cavity of shell
Blackboard is cleaned after silk floss water suction, filler can add water into water cavity.
The beneficial effects of the utility model are: the utility model structure is simple, and it is convenient and practical, it can freely switch blackboard
Wet mode is dried, is adjusted according to the needs of actual conditions, and the function of included storage water, it is easy to operate, it is easy to use,
Application easy to spread.
Detailed description of the invention:
Fig. 1 is the explosive view of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 1；
Fig. 3 is the partial structural diagram of the utility model embodiment 1；
Fig. 4 is the explosive view of the utility model embodiment 2；
Wherein: 1 shell, 2 bar shaped pipes, 3 nanosponges, 4 water cavities, 5 cuttage grafting frames, 6 cotton pads, 7 strips, 8 fixation holes, 9 first
Spring, 10 pulleys, 11 filler, 12 magnetic stripes, 13 card slots, 14 card keys, 15 telescopic cavities, 16 second springs.
Specific embodiment:
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Embodiment 1: as shown in Figure 1-3, a kind of blackboard eraser for having dry and wet handoff functionality, including shell 1 and cuttage grafting frame 5,
The bottom of the shell 1 is fixedly connected with several bar shaped pipes 2, and the side wall of the bar shaped pipe 2 is fixedly installed with pulley 10, described outer
The inside of shell 1 offers water cavity 4, and the top of the shell 1 is provided with filler 11, bottom and the bar shaped pipe 2 of the water cavity 4
Top is connected, and the bottom of the bar shaped pipe 2 is fixedly connected with nanosponges 3, and the cuttage grafting frame 5 is clamped with 2 activity of bar shaped pipe,
The bottom of the cuttage grafting frame 5 is fixedly connected with several cotton pads 6, and is fixedly connected between the bottom and cuttage grafting frame 5 of the shell 1
One spring 9, the bottom of the shell 1 offer card slot 13, and the inner wall of the card slot 13 offers telescopic cavity 15, the telescopic cavity
15 bottom is fixedly connected with second spring 15, and one end of the second spring 15 is fixedly connected with card key 14, the cuttage grafting frame 5
Top two sides be fixedly connected to strip 7, the strip 7 and about 13 face of card slot and activity clamping are opened on the strip 7
Equipped with fixation hole 8, the card key 14 is clamped with 8 activity of fixation hole.The card key 14 is provided with eight groups with fixation hole 8.
Embodiment 2: as shown in Figs 1-4, a kind of blackboard eraser having dry and wet handoff functionality, including shell 1 and cuttage grafting frame 5,
The top of the shell 1 is fixedly connected with five groups of magnetic stripes 12, and the bottom of the shell 1 is fixedly connected with several bar shaped pipes 2, described
The side wall of bar shaped pipe 2 is fixedly installed with pulley 10, and the inside of the shell 1 offers water cavity 4, the top setting of the shell 1
There is filler 11, the bottom of the water cavity 4 and the top of bar shaped pipe 2 are connected, and the bottom of the bar shaped pipe 2 is fixedly connected with
Nanosponges 3, the cuttage grafting frame 5 are clamped with 2 activity of bar shaped pipe, and the bottom of the cuttage grafting frame 5 is fixedly connected with several cotton pads 6,
The first spring 9 is fixedly connected between the bottom and cuttage grafting frame 5 of the shell 1, the bottom of the shell 1 offers card slot 13,
The inner wall of the card slot 13 offers telescopic cavity 15, and the bottom of the telescopic cavity 15 is fixedly connected with second spring 15, and described
One end of two springs 15 is fixedly connected with card key 14, and the top two sides of the cuttage grafting frame 5 are fixedly connected to strip 7, the card
Item 7 is with about 13 face of card slot and activity is clamped, and fixation hole 8 is offered on the strip 7, and the card key 14 and fixation hole 8 are living
Dynamic clamping.The card key 14 is provided with eight groups with fixation hole 8.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of blackboard eraser for having dry and wet handoff functionality, including shell (1) and cuttage grafting frame (5), it is characterised in that: the shell
(1) bottom is fixedly connected with several bar shaped pipes (2), and the inside of the shell (1) offers water cavity (4), the shell (1)
Top is provided with filler (11), is connected at the top of the bottom and bar shaped pipe (2) of the water cavity (4), the bar shaped pipe (2)
Bottom is fixedly connected with nanosponges (3), and the cuttage grafting frame (5) and bar shaped pipe (2) activity are clamped, the bottom of the cuttage grafting frame (5)
Portion is fixedly connected with several cotton pads (6), is fixedly connected with the first spring between the bottom and cuttage grafting frame (5) of the shell (1)
(9), the bottom of the shell (1) offers card slot (13), and the inner wall of the card slot (13) offers telescopic cavity (15), described to stretch
The bottom of contracting chamber (15) is fixedly connected with second spring (16), and one end of the second spring (16) is fixedly connected with card key
(14), the top two sides of the cuttage grafting frame (5) are fixedly connected to strip (7), offer fixation hole (8) on the strip (7).
2. a kind of blackboard eraser for having dry and wet handoff functionality according to claim 1, it is characterised in that: the card key (14)
It is clamped with fixation hole (8) activity.
3. a kind of blackboard eraser for having dry and wet handoff functionality according to claim 1, it is characterised in that: the strip (7)
With card slot (13) face and activity clamping up and down.
4. a kind of blackboard eraser for having dry and wet handoff functionality according to claim 1, it is characterised in that: the card key (14)
Eight groups are provided with fixation hole (8).
5. a kind of blackboard eraser for having dry and wet handoff functionality according to claim 1, it is characterised in that: the shell (1)
Top be fixedly connected with five groups of magnetic stripes (12).
6. a kind of blackboard eraser for having dry and wet handoff functionality according to claim 1, it is characterised in that: the bar shaped pipe
(2) side wall is fixedly installed with pulley (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209589.6U CN209580960U (en) | 2018-07-30 | 2018-07-30 | A kind of blackboard eraser having dry and wet handoff functionality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209589.6U CN209580960U (en) | 2018-07-30 | 2018-07-30 | A kind of blackboard eraser having dry and wet handoff functionality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209580960U true CN209580960U (en) | 2019-11-05 |
Family
ID=68372385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821209589.6U Expired - Fee Related CN209580960U (en) | 2018-07-30 | 2018-07-30 | A kind of blackboard eraser having dry and wet handoff functionality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209580960U (en) |
-
2018
- 2018-07-30 CN CN201821209589.6U patent/CN209580960U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20200730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |