CN206822218U - A kind of chalk holder - Google Patents
A kind of chalk holder Download PDFInfo
- Publication number
- CN206822218U CN206822218U CN201720653352.6U CN201720653352U CN206822218U CN 206822218 U CN206822218 U CN 206822218U CN 201720653352 U CN201720653352 U CN 201720653352U CN 206822218 U CN206822218 U CN 206822218U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- cylinder inner
- inner box
- spring
- chalk
- 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 chalk holder, including cube outer box, cylinder inner box, guide rod, the first spring, cross bar, first connecting rod, second connecting rod, support base and second spring, outer box wall forms accommodating chamber with cube outer box inwall in the cylinder, the cylinder inner box side wall upper part is arranged with two guide grooves, the guide groove that cylinder inner box side wall is stretched out at the cross bar both ends is connected to the first spring one end, and the cylinder inner box bottom is provided with through hole close to the edge of guide rod root.Chalk holder of the present utility model, cross bar is moved to distalmost end along guide groove, as chalk is using reducing, remaining chalk, through the first spring contraction, presses to cylinder inner box side together by cross bar, according to lever principle, first connecting rod bottom pushes second connecting rod one end, is rotated in the middle part of second connecting rod around support base, the second connecting rod other end drives projection to enter in through hole, eject the chalk in cylinder inner box, chalk of conveniently taking.
Description
Technical field
It the utility model is related to a kind of box, and in particular to a kind of chalk holder.
Background technology
It can use chalk in daily teaching, when the chalk in chalk holder is more, be not easy to take, chalk meeting when chalk is less
Topple over, be not easy to take, itself and, not being finished chalk for a long time mouldy can become damp.
The content of the invention
Purpose of utility model：The purpose of this utility model is in view of the shortcomings of the prior art, there is provided a kind of chalk holder, side
Just use.
Technical scheme：A kind of chalk holder described in the utility model, including cube outer box, cylinder inner box, guide rod,
First spring, cross bar, first connecting rod, second connecting rod, support base and second spring, the cylinder inner box are located at cube outer box
Inside, outer box wall and cube outer box inwall form accommodating chamber in the cylinder, cube outer box inwall in the accommodating chamber
Upper level direction is arranged with two parallel guide rods, and described two guide rods are equipped with the first spring, the cylinder
Internal box side wall upper part is arranged with two guide grooves, and the cross bar is through at two guide grooves, and the cross bar both ends are stretched out in cylinder
The guide groove of box side wall is connected to the first spring one end, and the first spring other end is fixed on guide rod root, the cylinder
Inner box bottom is provided with through hole close to the edge of guide rod root, and vertical direction is also included in the accommodating chamber and slides the set
Cube outer box upper surface is stretched out on one connecting rod, the first connecting rod top, and the first connecting rod lower end is articulated with second connecting rod one
End, the second connecting rod middle part are hinged with the support base located at accommodating chamber bottom, and the second connecting rod other end, which is provided with, can be inserted into
The projection of through hole, the projection are connected with second spring with accommodating chamber bottom.
Preferably, the cube outer box upper surface is provided with solar cell, and the cylinder inner box side wall is provided with two
Breather pipe, the interior electric fan for being provided with two face breather pipes of the accommodating chamber, the electric fan are connected to solar cell.
Preferably, the drying box for accommodating drier is provided with the breather pipe.
Preferably, the outer outer box wall of the cube is hinged with eyeglass.
Preferably, the external part at the top of the first connecting rod is connected with strip button.
Preferably, the cross bar is rubber rods.
Beneficial effect：Chalk holder of the present utility model, in use, moving cross bar to distalmost end along guide groove, chalk is put into
In cylinder inner box, as chalk is using reducing, remaining chalk, through the first spring contraction, is pressed in cylinder together by cross bar
Box side, according to lever principle, first connecting rod bottom pushes second connecting rod one end, is rotated in the middle part of second connecting rod around support base, the
The two connecting rod other ends drive projection enter through hole in, eject cylinder inner box in chalk, chalk of conveniently taking, electric fan with
Breather pipe, drying box are dried with the use of holding chalk.
Brief description of the drawings
Fig. 1 is the front view of the utility model structure；
Fig. 2 is the top view of the utility model structure.
Embodiment
Technical solutions of the utility model are described in detail below, but the scope of protection of the utility model is not limited to
The embodiment.
As depicted in figs. 1 and 2, a kind of chalk holder of the present utility model, including cube outer box 1, cylinder inner box 2, lead
It is located to bar 3, the first spring 4, cross bar 5, first connecting rod 6, second connecting rod 7, support base 8 and second spring 9, cylinder inner box 2
Inside cube outer box 1, the outer wall of cylinder inner box 2 and the inwall of cube outer box 1 form accommodating chamber 10, cube in accommodating chamber 10
The external upper inside wall horizontal direction of box 1 is arranged with two parallel guide rods 3, and two guide rods 3 are equipped with the first spring
4, the side wall upper part of cylinder inner box 2 is arranged with two guide grooves 11, and cross bar 5 is through at two guide grooves 11, and cylinder is stretched out at the both ends of cross bar 5
The guide groove 11 of the internal side wall of box 2 is connected to the one end of the first spring 4, and the other end of the first spring 4 is fixed on the root of guide rod 3, cylinder
The internal bottom of box 2 is provided with through hole 12 close to the edge of the root of guide rod 3, and also including vertical direction in accommodating chamber 10 slides setting
First connecting rod 6, the top of first connecting rod 6 stretches out the upper surface of cube outer box 1, and the lower end of first connecting rod 6 is articulated with second connecting rod 7 one
End, the middle part of second connecting rod 7 are hinged with the support base 8 located at the bottom of accommodating chamber 10, and the other end of second connecting rod 7, which is provided with, can be inserted into through hole
Projection 13, projection 13 and the bottom of accommodating chamber 10 be connected with second spring 9, and the upper surface of cube outer box 1 is provided with solar cell
14, the side wall of cylinder inner box 2 is provided with two breather pipes 15, and the electric fan of two face breather pipes 15 is provided with accommodating chamber 10
16, electric fan 16 is connected to solar cell 14, and the drying box for accommodating drier, cube outer box 1 are provided with breather pipe 15
Outer wall is hinged with eyeglass 17, and the external part at the top of first connecting rod 6 is connected with strip button 18, and cross bar 5 is rubber rods, is used
When, move cross bar 5 to distalmost end along guide groove 11, chalk is put into cylinder inner box 2, it is remaining as chalk is using reduction
Chalk is shunk by cross bar 5 through the first spring 4, presses to the side of cylinder inner box 2 together, according to lever principle, the bottom of first connecting rod 6
The one end of second connecting rod 7 is pushed, the middle part of second connecting rod 7 rotates around support base 8, and it is logical that the other end of second connecting rod 7 drives projection 13 to enter
In hole 12, the chalk in cylinder inner box 2, chalk of conveniently taking are ejected, electric fan 16 coordinates and made with breather pipe 15, drying box
Dried with chalk is kept.
As described above, although the utility model has been represented and described with reference to specific preferred embodiment, but it must not
It is construed to the limitation to the utility model itself.In the spirit and scope of the present utility model for not departing from appended claims and defining
Under the premise of, can various changes can be made in the form and details to it.
Claims (6)
- A kind of 1. chalk holder, it is characterised in that：Including cube outer box (1), cylinder inner box (2), guide rod (3), the first bullet Spring (4), cross bar (5), first connecting rod (6), second connecting rod (7), support base (8) and second spring (9), the cylinder inner box (2) internal located at cube outer box (1), cylinder inner box (2) outer wall forms accommodating chamber with cube outer box (1) inwall (10), cube outer box (1) upper inside wall horizontal direction in the accommodating chamber (10) is arranged with two parallel guide rods (3), described two guide rods (3) are equipped with the first spring (4), and cylinder inner box (2) side wall upper part is arranged with two Individual guide groove (11), the cross bar (5) are through at two guide grooves (11), and cylinder inner box (2) side wall is stretched out at cross bar (5) both ends Guide groove (11) is connected to the first spring (4) one end, and the first spring (4) other end is fixed on guide rod (3) root, the circle Cylinder inner box (2) bottom is provided with through hole (12) close to the edge of guide rod (3) root, also includes in the accommodating chamber (10) perpendicular For Nogata to sliding the first connecting rod (6) that sets, cube outer box (1) upper surface is stretched out on first connecting rod (6) top, and described the One connecting rod (6) lower end is articulated with second connecting rod (7) one end, is hinged with the middle part of the second connecting rod (7) located at accommodating chamber (10) bottom The support base (8) in portion, second connecting rod (7) other end are provided with the projection (13) that can be inserted into through hole, and the projection (13) is with holding Receiving chamber (10) bottom is connected with second spring (9).
- 2. chalk holder according to claim 1, it is characterised in that：Cube outer box (1) upper surface is provided with solar energy Battery (14), cylinder inner box (2) side wall are provided with two breather pipes (15), two faces are provided with the accommodating chamber (10) The electric fan (16) of breather pipe (15), the electric fan (16) are connected to solar cell (14).
- 3. chalk holder according to claim 2, it is characterised in that：It is provided with the breather pipe (15) and accommodates the dry of drier Dry box.
- 4. chalk holder according to claim 1, it is characterised in that：Cube outer box (1) outer wall is hinged with eyeglass (17)。
- 5. chalk holder according to claim 1, it is characterised in that：External part at the top of the first connecting rod (6) is connected with Strip button (18).
- 6. chalk holder according to claim 1, it is characterised in that：The cross bar (5) is rubber rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653352.6U CN206822218U (en) | 2017-06-07 | 2017-06-07 | A kind of chalk holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653352.6U CN206822218U (en) | 2017-06-07 | 2017-06-07 | A kind of chalk holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206822218U true CN206822218U (en) | 2018-01-02 |
Family
ID=60772550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720653352.6U Expired - Fee Related CN206822218U (en) | 2017-06-07 | 2017-06-07 | A kind of chalk holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206822218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895763A (en) * | 2021-02-04 | 2021-06-04 | 玉林师范学院 | Novel dust absorption chalk cover |
-
2017
- 2017-06-07 CN CN201720653352.6U patent/CN206822218U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895763A (en) * | 2021-02-04 | 2021-06-04 | 玉林师范学院 | Novel dust absorption chalk cover |
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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: 20180102 Termination date: 20180607 |