CN206493762U - A kind of blackboard - Google Patents
A kind of blackboard Download PDFInfo
- Publication number
- CN206493762U CN206493762U CN201720005531.9U CN201720005531U CN206493762U CN 206493762 U CN206493762 U CN 206493762U CN 201720005531 U CN201720005531 U CN 201720005531U CN 206493762 U CN206493762 U CN 206493762U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboard body
- bearing pin
- eraser
- round
- 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, including upper, lower two sides blackboard body, on this, lower blackboard body sets and can slided up and down, the upper blackboard body is arranged on rearward position, lower blackboard body is arranged on forward position, the both sides up and down of lower blackboard body are provided with the guide rail isometric with lower blackboard body, provided with the lower blackboard eraser arranged vertically between two guide rails, at least one end is connected provided with roller with guide rail in the upper end or lower end of the lower blackboard eraser, the upper blackboard eraser isometric with upper blackboard body is provided with the top of the back side of the lower blackboard body, the two ends of the upper blackboard eraser are connected by bearing pin with lower blackboard body respectively, the front of the lower blackboard body of bearing pin protrusion, provided with the round and elastic ring with bearing pin clamping in foregoing lower blackboard body, the bearing pin is provided with the snap ring adapted to round and elastic ring.The blackboard structure is simple, cleans convenient.
Description
Technical field
The utility model belongs to realia field, more particularly to a kind of blackboard.
Background technology
The blackboard of present classroom, is all much the structure of upper and lower surface.The blackboard of this two sides structure, is finished one side
Afterwards, following being pushed to or pulls down above, blackboard above is cleaned very inconvenient due to highly higher.
The content of the invention
In place of in order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of blackboard, and the blackboard structure is simple,
Clean convenient.
To achieve the above object, the utility model is adopted the following technical scheme that：A kind of blackboard, including upper and lower faces blackboard
Body, the upper and lower blackboard body sets and can slided up and down, and the upper blackboard body is arranged on rearward position, lower blackboard body
Forward position is arranged on, the both sides up and down of lower blackboard body, which are provided between the guide rail isometric with lower blackboard body, two guide rails, to be set
There is at least one end in the lower blackboard eraser arranged vertically, the upper end or lower end of the lower blackboard eraser to be connected provided with roller with guide rail, institute
State and the upper blackboard eraser isometric with upper blackboard body is provided with the top of the back side of lower blackboard body, the two ends of the upper blackboard eraser are distinguished
Be connected by bearing pin with lower blackboard body, the front of the lower blackboard body of bearing pin protrusion, be provided with foregoing lower blackboard body with
The round and elastic ring of bearing pin clamping, the bearing pin is provided with the snap ring adapted to round and elastic ring.
In the above-mentioned technical solutions, the quantity of snap ring is at least 2 on each bearing pin.
In the above-mentioned technical solutions, the middle of the lower blackboard eraser is provided with handle.
In the above-mentioned technical solutions, the afterbody of two bearing pins is provided with the handle ball for push-and-pull.
The beneficial effects of the utility model are：It is black under scouring by setting vertical lower blackboard eraser in the front of lower blackboard
During plate easily, as long as lower blackboard eraser is from left to right pushed through, by setting blackboard in twice snap ring, regulation on bearing pin
Wipe with the spacing of upper blackboard body, it is necessary to when cleaning blackboard eraser, bearing pin onto shifted in the inside by handle ball, upper blackboard eraser with it is upper black
Plate body is pressed into contact with, then when upper blackboard body is pulled down or pushes to lower blackboard body, and upper blackboard eraser can will be upper black
Blackboard eraser is clean；If upper blackboard need not be wiped, then handle ball is held and be pulled outwardly, another road snap ring is snapped into round and elastic ring
In, upper blackboard eraser is separated with upper blackboard body, after bearing pin is fully drawn out, and can be removed upper blackboard eraser, can be used water
Rinse blackboard surface.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is right view of the present utility model.
Wherein：1. on blackboard body, 2. times blackboard bodies, 3. guide rails, 4. times blackboard erasers, blackboard eraser on 5., 6. bearing pins,
7. handle, 8. handle balls.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
A kind of blackboard as depicted in figs. 1 and 2, including upper and lower faces blackboard body 1,2, the upper and lower blackboard body are set
It can slide up and down, the upper blackboard body 1 is arranged on rearward position, lower blackboard body 2 is arranged on forward position, lower blackboard
The both sides up and down of body 2 are provided between the guide rail 3 isometric with lower blackboard body 2, two guide rails 3 provided with the lower blackboard eraser arranged vertically
4, at least one end is connected provided with roller (not shown) with guide rail 3 in the upper end or lower end of the lower blackboard eraser 4, the lower blackboard
The upper blackboard eraser 5 isometric with upper blackboard body 1 is provided with the top of the back side of body 2, the two ends of the upper blackboard eraser 5 lead to respectively
Cross bearing pin 6 to be connected with lower blackboard body 2, the front of the lower blackboard body 2 of the protrusion of bearing pin 6, set in foregoing lower blackboard body 2
There is the round and elastic ring (not shown) with the clamping of bearing pin 6, the bearing pin 6 is provided with the snap ring adapted to round and elastic ring and (do not drawn
Go out).Snap ring can be stuck in round and elastic ring, and when firmly pushing or pulling on bearing pin 6, snap ring can be extracted or pushed away from round and elastic ring
Enter.
In the above-mentioned technical solutions, the quantity of snap ring is at least 2 on each bearing pin 6.Twice snap ring is set, blocked together
When the position of ring is blocked with round and elastic ring, upper blackboard eraser 5 can be pressed into contact with upper blackboard surface, so move a certain piece of blackboard just
The word on blackboard can be wiped, when another road snap ring is blocked with round and elastic ring, upper blackboard eraser 5 is separated with upper blackboard surface, it is to avoid move
The word in upper blackboard body is wiped when dynamic upper blackboard body 1 or lower blackboard body 2.
In the above-mentioned technical solutions, the middle of the lower blackboard eraser 4 is provided with handle 7.
In the above-mentioned technical solutions, the afterbody of two bearing pins 6 is provided with the handle ball 8 for push-and-pull.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.
Claims (4)
1. a kind of blackboard, including upper and lower faces blackboard body, the upper and lower blackboard body set and can slided up and down, the upper blackboard
Body is arranged on rearward position, and lower blackboard body is arranged on forward position, it is characterized in that：The both sides up and down of lower blackboard body
Provided with the guide rail isometric with lower blackboard body, provided with the lower blackboard eraser arranged vertically between two guide rails, the lower blackboard eraser it is upper
At least one end is connected provided with roller with guide rail in end or lower end, is provided with and upper blackboard sheet at the back side top of the lower blackboard body
The isometric upper blackboard eraser of body, the two ends of the upper blackboard eraser are connected by bearing pin with lower blackboard body respectively, the bearing pin protrusion
The front of lower blackboard body, provided with the round and elastic ring with bearing pin clamping in foregoing lower blackboard body, the bearing pin be provided with
The snap ring that round and elastic ring is adapted to.
2. blackboard according to claim 1, it is characterized in that：The quantity of snap ring is at least 2 on each bearing pin.
3. blackboard according to claim 1, it is characterized in that：The middle of the lower blackboard eraser is provided with handle.
4. blackboard according to claim 1, it is characterized in that：The afterbody of two bearing pins is provided with the handle ball for push-and-pull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005531.9U CN206493762U (en) | 2017-01-04 | 2017-01-04 | A kind of blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005531.9U CN206493762U (en) | 2017-01-04 | 2017-01-04 | A kind of blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206493762U true CN206493762U (en) | 2017-09-15 |
Family
ID=59801933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720005531.9U Expired - Fee Related CN206493762U (en) | 2017-01-04 | 2017-01-04 | A kind of blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206493762U (en) |
-
2017
- 2017-01-04 CN CN201720005531.9U patent/CN206493762U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20200104 |