CN208428846U - Writing on the blackboard block - Google Patents
Writing on the blackboard block Download PDFInfo
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- CN208428846U CN208428846U CN201820352985.8U CN201820352985U CN208428846U CN 208428846 U CN208428846 U CN 208428846U CN 201820352985 U CN201820352985 U CN 201820352985U CN 208428846 U CN208428846 U CN 208428846U
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- shrinkage pool
- writing
- blackboard
- shrinkage
- block
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Abstract
The utility model provides a kind of writing on the blackboard block, and writing on the blackboard block includes writing on the blackboard layer, and multiple row shrinkage pool column are provided on writing on the blackboard layer, and the extending direction of each column shrinkage pool column is parallel to each other, and has been provided with raised line between adjacent two shrinkage pools column, raised line includes multiple first protruding blocks；Multiple shrinkage pools are provided in shrinkage pool column, the centerline collineation of the shrinkage pool of same row is arranged, the area equation of shrinkage pool, the second protruding block is provided between two adjacent shrinkage pools, the area equation of the end face of the area of the end face of first protruding block and the second protruding block, using the above structure, the shrinkage pool arrangement of writing on the blackboard layer is very regular, regular shrinkage pool also increases can be with the contact area of chalk, increase frictional force to avoid skidding, and increase the accessible area of each shrinkage pool and chalk, so that remaining in chalk in shrinkage pool more more evenly, to increase the heavy feeling of writing on the blackboard, keep writing on the blackboard apparent visible.
Description
Technical field
The utility model relates to realia fields, more particularly, to a kind of writing on the blackboard block.
Background technique
Currently, gradually replacing common chalk to reduce the dust pollution on classroom with water-soluble chalk, however passing through writing on the blackboard
The powder of remaining water-soluble chalk is to be wiped by the blackboard eraser to get wet, but be to continue with after being wiped across with water on blackboard
Blackboard on writing on the blackboard blackboard is become into shining surfaces, can not be remained on blackboard since droplet is filled with lesser recess on blackboard
While more chalk powders, the brightness on the visible blackboard of students at wiping is very high, so that students can not be high-visible black
The case where writing on the blackboard on plate influences the study situation of students, and the blackboard writing on the blackboard after getting wet is easy to appear skidding.If will
Blackboard is carried out again after carrying out matte management using since the recess on blackboard is irregular, being difficult to clean after writing on the blackboard, if water-soluble
The residue of chalk continues to stay in the recess of blackboard, and subsequent writing on the blackboard content still can not be high-visible.
Utility model content
The main purpose of the utility model is to provide that a kind of writing on the blackboard is apparent and easy cleaned writing on the blackboard block.
To realize above-mentioned main purpose, writing on the blackboard block provided by the utility model includes writing on the blackboard layer, is provided on writing on the blackboard layer
The extending direction of multiple row shrinkage pool column, each column shrinkage pool column is parallel to each other, and is provided with raised line, raised line packet between adjacent two shrinkage pools column
Include multiple first protruding blocks；Multiple shrinkage pools are provided in shrinkage pool column, the center of multiple shrinkage pools on same row shrinkage pool column is same
On straight line, in multiple shrinkage pools, it is convex to be provided with second between two adjacent shrinkage pools for the area equation of the complete multiple shrinkage pools of shape
It is bittiness, the area equation of the end face of the area of the end face of the first protruding block and the second protruding block.
As it can be seen that the extending direction of each column shrinkage pool column is parallel to each other, the center line of the shrinkage pool in each column is on the same line simultaneously
Area equation, so that the shrinkage pool arrangement of writing on the blackboard layer is very regular, regular shrinkage pool, which also increases, to be increased with the contact area of chalk
Frictional force avoids skidding, and increases the accessible area of each shrinkage pool and chalk, so that the chalk remained in shrinkage pool is more
More evenly, to increase the heavy feeling of writing on the blackboard, while equal-sized shrinkage pool is easy to clear up, and makes subsequent writing on the blackboard is apparent can
See.
Further embodiment is that writing on the blackboard block further includes adhered layer, and adhered layer is provided with glue in the one side far from writing on the blackboard layer
Layer.
As it can be seen that completing the connection between writing on the blackboard block and blackboard by the method for glue stickup, pasting and replacing quick
It is convenient.
Further embodiment is that the side wall of shrinkage pool is far from the bottom surface of shrinkage pool and raised towards the first protruding block or/and second
It is obliquely installed.
As it can be seen that side wall further increases the accessible area in shrinkage pool with chalk far from the inclined shrinkage pool of shrinkage pool, so that
In shrinkage pool can remaining chalk pen end it is more, to increase the heavy feeling of writing on the blackboard, increase clarity.
Further embodiment is that the bottom surface of shrinkage pool is in equilateral hexagon, side setting altogether between two adjacent shrinkage pools.
As it can be seen that during chalk any direction writing on the blackboard, the interior area phase contacted with chalk of the shrinkage pool of equilateral hexagon
It is bigger to the area that can be contacted with chalk in the shrinkage pool of quadrangle, and the number of the angle between equilateral hexagon top and side
More than the angle number in quadrangle, so that more chalk residues can be accommodated in equilateral hexagon, while equilateral hexagon
It is easier to realize in opposite polygon technique of other numbers of sides greater than six.
Further embodiment is that the angle of the bottom surface of the side wall and shrinkage pool of shrinkage pool is 150 degree to 160 degree.
Reduced as it can be seen that residue in the too small shrinkage pool of the gradient of side wall is opposite, but the gradient of side wall it is excessive so that
Shrinkage pool tends to horizontal plane, so that the ability of shrinkage pool reflected light reduces, students can not see writing on the blackboard clearly.
Further embodiment is that the height of the side wall of shrinkage pool is 0.03 millimeter to 0.05 millimeter.
As it can be seen that the excessive residue being difficult to clean in shrinkage pool of the depth of shrinkage pool, the depth of shrinkage pool is too small, is easy to appear skidding
The case where.
Further embodiment is that the ratio between the area of the end face of the area of the bottom surface of shrinkage pool and the first protruding block is 6:
4。
As it can be seen that reflective degree can be effectively controlled in the area ratio between shrinkage pool and raised line.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model writing on the blackboard block embodiment.
Fig. 2 is schematic enlarged-scale view at A in Fig. 1.
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
The writing on the blackboard block of the utility model is applied in realia field, and writing on the blackboard slip gauge site preparation is provided with multiple shrinkage pools, shrinkage pool
Area equation and adjacent two shrinkage pools between protruding block end face area it is also equal so that the shrinkage pool in writing on the blackboard layer
Be arranged it is regular, so that it is more more evenly to remain in the chalk pen end in shrinkage pool after writing on the blackboard, to increase the thickness of writing on the blackboard on writing on the blackboard block
Double infection, keep writing on the blackboard apparent as it can be seen that and shrinkage pool set-up mode of the same size so that the water-soluble chalk end in shrinkage pool is residual
It stays object to be easier to be cleaned, residue in shrinkage pool is reduced, so that writing on the blackboard is apparent visible.
Referring to Fig. 1, the writing on the blackboard block of the utility model includes writing on the blackboard layer 1 and adhered layer 2, and adhered layer 2 is for pasting writing on the blackboard block
It closes on board or blackboard, glue layer can be evenly coated on one side close to board in adhered layer 2, thus by writing on the blackboard block
It is pasted on board, the connection between writing on the blackboard block and blackboard is completed by the method for glue stickup, paste and replace fast
Speed is convenient.Alternatively, writing on the blackboard block can also be followed closely on board by drawing pin.
Writing on the blackboard block is arranged in far from the one side of board in writing on the blackboard layer 1.Referring to fig. 2, multiple row shrinkage pool is provided on writing on the blackboard layer 1
The extending direction of column 3, each column shrinkage pool column 3 is parallel to each other, and is provided with raised line 4 between two adjacent shrinkage pool column 3, raised line 4 includes
Multiple first protruding blocks 41.Multiple shrinkage pools 5, the center line of multiple shrinkage pools 5 on same row shrinkage pool column 3 are provided in shrinkage pool column 3
On the same line, the area equation of the complete shrinkage pool 5 of each shape in shrinkage pool column 3, interior shrinkage pool 5 includes bottom surface 51 and edge
The side wall 52 of the circumferential direction setting at the edge of bottom surface 51, the area equation of each shrinkage pool 5 in the present embodiment, i.e. bottom surface 51
Area is equal with the sum of the area of side wall 52.Writing on the blackboard block in Fig. 1 in the present embodiment is amplified writing on the blackboard block, in reality
Application process in, user can cut writing on the blackboard block according to the size of board, on writing on the blackboard block include shape after cutting
Complete shrinkage pool and the incomplete shrinkage pool of shape.
The second protruding block 6, the area and second of the end face 42 of the first protruding block 41 are provided between two adjacent shrinkage pools 5
The area equation of the end face 61 of protruding block 6, and the area of the bottom surface 51 of shrinkage pool 5 also mutually equal, the face of the side wall 52 of shrinkage pool 5
Product is also mutually equal.In writing on the blackboard layer 2, just relatively there are convex portion when shrinkage pool 5 is arranged, the wherein setting of raised line 4 is arranged two
Between shrinkage pool column 3, raised line 4 includes multiple first protruding blocks 41, in the present embodiment, the first protruding block 41 and the second protruding block 6
It is the side for forming shrinkage pool 5, so that there are common portion 43, the first protruding blocks between the first protruding block 41 and the second protruding block
41 and second protruding block 6 respectively include side wall and far from 5 bottom surface 51 of shrinkage pool end face, in the present embodiment, the first protruding block 41
Side wall and the second protruding block 6 side wall be shrinkage pool 5 side wall 52, the area of 5 side wall 52 of shrinkage pool is mutually equal, thus first
The area equation of the end face 61 of area and the second protruding block 6 far from shrinkage pool 5 of end face 42 of the protruding block 41 far from shrinkage pool 5, first
On the end face 42 of protruding block 41 with the corresponding part after common portion 43 is individually subtracted on the end face 61 of the second protruding block 6
Area is also equal, so that the arrangement of 1 upper concave hole 5 of writing on the blackboard layer is more regular, the residue of the water-soluble chalk on the end face of protruding block
Can residual quantity it is as consistent as possible, keep writing on the blackboard on heavy feeling.
The extending direction of each column shrinkage pool column 3 is parallel to each other, and the centerline collineation of the shrinkage pool 5 in each column is arranged and area phase
Deng so that writing on the blackboard layer 1 shrinkage pool 5 arrangement it is very regular, regular shrinkage pool 5 also increases can be with the contact area of chalk, and increase rubs
Wiping, which is tried hard to avoid, exempts to skid, and increases the accessible area of each shrinkage pool 5 and chalk, so that the chalk remained in shrinkage pool 5 is more
More evenly, to increase the heavy feeling of writing on the blackboard, keep writing on the blackboard apparent visible.
In the present embodiment, the bottom surface 51 of shrinkage pool 5 is in equilateral hexagon, and total side is arranged between two adjacent shrinkage pools 5,
In the present embodiment, the second protruding block 6 is provided between the shrinkage pool two-by-two 5 in each column shrinkage pool column 3 jointly.In chalk any direction plate
During book, the residue of more water-soluble chalks can be remained on the angle 8 in shrinkage pool 5；Side connects in equilateral hexagon
The number for connecing the angle 8 to be formed is more than the number that the side of quadrangle connects the angle to be formed, so that the water in equilateral hexagon
Dissolubility chalk can residual quantity be greater than quadrangle in water-soluble chalk can residual quantity；And equilateral hexagon compares it in technique
The shapes such as his octagon, dodecagon are easier to realize, wherein the bottom surface 51 of shrinkage pool 5 and side wall 52 do light processing, first
Matte management is done in the end face 42 of protruding block 41 and the end face 61 of the second protruding block 6.
Bottom surface 51 of the side wall 52 of shrinkage pool 5 far from shrinkage pool 5 is simultaneously set towards the first protruding block 41 and the inclination of the second protruding block 6
It sets, side wall 52 further increases the accessible area in shrinkage pool 5 with chalk far from the inclined shrinkage pool 5 in bottom surface 51, so that shrinkage pool 5
It is interior can remaining chalk pen end it is more, to increase the heavy feeling of writing on the blackboard, increase clarity.
If the gradient of side wall 52 is too small, the chalk residue that may be present in shrinkage pool 5 is opposite to be reduced, but side wall 52 inclines
Gradient is excessive, so that shrinkage pool 5 tends to horizontal plane, so that the ability of 1 reflected light of writing on the blackboard layer reduces, students can not see writing on the blackboard clearly；
When the angle of the side wall 52 of shrinkage pool 5 and the bottom surface 51 of shrinkage pool 5 is 150 degree to 160 degree, chalk in shrinkage pool 5 can be both guaranteed
Residual quantity, and can guarantee the ability of 1 reflected light of writing on the blackboard layer, guarantee that students clean visible writing on the blackboard content.
If the excessive residue being difficult to clean in shrinkage pool 5 of the depth of shrinkage pool 5, the depth of shrinkage pool 5 is too small, is easy to appear skidding
The case where and reduce writing on the blackboard block reflected light ability.When the height of the side wall 52 of shrinkage pool 5 is 0.03 millimeter to 0.05 millimeter,
Be easier to cleaning shrinkage pool 5 in residue while, reduce skid the case where and guarantee writing on the blackboard block reflected light ability.
When ratio between the area of the end face 42 of the area of the bottom surface 51 of shrinkage pool 5 and the first protruding block 41 is 6:4, can have
The reflective degree of effect control writing on the blackboard block.
The writing on the blackboard slip gauge site preparation of the utility model is provided with multiple shrinkage pools 5, the area equation of shrinkage pool 5 and two-by-two shrinkage pool 5
Between protruding block end face area it is also equal so that the shrinkage pool 5 in writing on the blackboard layer be arranged it is regular, to remain in after writing on the blackboard recessed
Chalk pen end in hole 5 is more more evenly, to increase the heavy feeling of writing on the blackboard on writing on the blackboard block, keep writing on the blackboard apparent as it can be seen that and
The setting of the same size of shrinkage pool 5 is reduced in shrinkage pool 5 so that the water-soluble chalk end residue in shrinkage pool 5 is easier to be cleaned
Residue, so that writing on the blackboard is apparent visible.
Finally it is emphasized that the above is only the preferred embodiment of the present invention, it is not limited to this reality
With novel, for those skilled in the art, the utility model can have various change and change, all in the utility model
Spirit and principle within, any modification, equivalent substitution, improvement and etc. done should be included in the protection model of the utility model
Within enclosing.
Claims (7)
1. writing on the blackboard block, which is characterized in that the writing on the blackboard block includes writing on the blackboard layer, multiple row shrinkage pool column is provided on the writing on the blackboard layer, often
The extending direction for arranging the shrinkage pool column is parallel to each other, and is provided with raised line, the raised line packet between the shrinkage pool column of adjacent two
Include multiple first protruding blocks；Multiple shrinkage pools, multiple shrinkage pools on the column of shrinkage pool described in same row are provided in the shrinkage pool column
Center on the same line, in multiple shrinkage pools, the area equation of the complete multiple shrinkage pools of shape, adjacent two
The second protruding block, the end face of the area of the end face of first protruding block and second protruding block are provided between the shrinkage pool
Area equation.
2. writing on the blackboard block according to claim 1, it is characterised in that:
The writing on the blackboard block further includes adhered layer, and the adhered layer is provided with glue layer in the one side far from the writing on the blackboard layer.
3. writing on the blackboard block according to claim 2, it is characterised in that:
Bottom surface of the side wall of the shrinkage pool far from the shrinkage pool is simultaneously tilted towards first protruding block or/and second protrusion
Setting.
4. writing on the blackboard block according to claim 3, it is characterised in that:
The bottom surface of the shrinkage pool is in equilateral hexagon, side setting altogether between two adjacent shrinkage pools.
5. writing on the blackboard block according to claim 3, it is characterised in that:
The angle of the bottom surface of the side wall of the shrinkage pool and the shrinkage pool is 150 degree to 160 degree.
6. the writing on the blackboard block according to claim 3 or 5, it is characterised in that:
The height of the side wall of the shrinkage pool is 0.03 millimeter to 0.05 millimeter.
7. writing on the blackboard block according to claim 1, it is characterised in that:
Ratio between the area of the end face of the area of the bottom surface of the shrinkage pool and first protruding block is 6:4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820352985.8U CN208428846U (en) | 2018-03-15 | 2018-03-15 | Writing on the blackboard block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820352985.8U CN208428846U (en) | 2018-03-15 | 2018-03-15 | Writing on the blackboard block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208428846U true CN208428846U (en) | 2019-01-25 |
Family
ID=65106026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820352985.8U Active CN208428846U (en) | 2018-03-15 | 2018-03-15 | Writing on the blackboard block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208428846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274927A (en) * | 2018-03-15 | 2018-07-13 | 成都松齐明科技有限公司 | Writing on the blackboard block |
-
2018
- 2018-03-15 CN CN201820352985.8U patent/CN208428846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274927A (en) * | 2018-03-15 | 2018-07-13 | 成都松齐明科技有限公司 | Writing on the blackboard block |
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