CN209616720U - A kind of environmentally-friendly chalk holder - Google Patents
A kind of environmentally-friendly chalk holder Download PDFInfo
- Publication number
- CN209616720U CN209616720U CN201920257735.0U CN201920257735U CN209616720U CN 209616720 U CN209616720 U CN 209616720U CN 201920257735 U CN201920257735 U CN 201920257735U CN 209616720 U CN209616720 U CN 209616720U
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- China
- Prior art keywords
- chalk
- block
- rotating bar
- environmentally
- link block
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- 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
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a kind of environmentally-friendly chalk holders, its structure includes chalk sleeve ontology, push/pull slot, regulation button, chalk and rotating device, a kind of environmentally-friendly chalk holder of the utility model, by being provided with rotating device, be conducive to be attached by the external screw thread on pen cap surface with the internal screw thread in the first fixed block, rotating device is set to be fixed on chalk sleeve ontology top, then take out the chalk sleeve ontology with another color chalk, and the internal screw thread in its external screw thread and the second fixed block by pen cap surface is attached, the prior art is solved when teacher needs to pass through another color progress secondary scribe mark to figure on blackboard or text, need to look for the chalk sleeve with another color chalk, to make to explain process interrupt, cause student during this period of time may be absent-minded, the problem of affecting efficiency of listening to lecture.
Description
Technical field
The utility model is a kind of environmentally-friendly chalk holder, belongs to environmentally-friendly chalk holder field.
Background technique
Chalk sleeve is one kind of teaching aid, is set in outside chalk when in use, teacher using chalk when writing on blackboard,
Hand does not contact directly with chalk, is bonded in teacher on hand so as to avoid chalk bits, improves the working environment of teacher；With
Continuous improvement of people's living standards, a kind of environmentally-friendly chalk holder has also obtained technological improvement, but the prior art is needed as teacher
When passing through another color progress secondary scribe mark to figure on blackboard or text, need to look for another color chalk
Chalk sleeve, thus make explain process interrupt, cause student during this period of time may be absent-minded, affect efficiency of listening to lecture.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of environmentally-friendly chalk holder, it is existing to solve
Technology when teacher needs to pass through another color to figure on blackboard or text carry out secondary scribe mark when, need to look for and have
The chalk sleeve of another color chalk causes student during this period of time may be absent-minded to make to explain process interrupt, influences
The problem of efficiency of listening to lecture.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of environmentally-friendly chalk holder,
Including chalk sleeve ontology, push/pull slot, regulation button, chalk and rotating device, the chalk sleeve ontology front center, which is provided with, to be pushed away
Kerve, the regulation button are slidably connected with push/pull slot, and chalk sleeve ontology bottom end is clamped with chalk, the chalk sleeve
Ontology is provided with rotating device, the rotating device by the first fixed block, the first rotating bar, the first link block, the second link block,
Second rotating bar, the second fixed block, screw bolt and nut composition, first fixed block and chalk sleeve ontology upper end carry out screw thread company
It connects, the first fixed block top middle portion is provided with the first rotating bar, and the first rotating bar upper front end is provided with the first company
Block is connect, and is rotatablely connected with the first link block, second link block is set to the first link block front end, and described second connects
It connects block upper end and is provided with the second rotating bar, and be rotatablely connected with the second link block, second rotating bar top is provided with
Second fixed block, the bolt is through the first link block front end face middle part, the first rotating bar upper center, the second rotating bar
In the middle part of lower end and in the middle part of the second link block front end face, nut, and and bolt are provided in the middle part of the second link block rear end face
Rear end is threadedly coupled.
Further, chalk sleeve ontology top is provided with pen cap, and pen cap outer surface is provided with external screw thread, is convenient for powder
Pen cap ontology is preferably attached with the first fixed block.
Further, the chalk sleeve body interior and regulation button corresponding position are provided with fixture block, and fixture block top with
Regulation button carries out grafting, convenient for chalk is clamped fixation, and is convenient for assembly corresponding with regulation button.
Further, first fixed block is consistent with the second fixed block shape size, and inside is provided with internal screw thread,
It is attached convenient for one end and the pen cap, one end is attached with the chalk sleeve ontology with another color.
Further, first rotating bar is consistent with the second rotating bar shape size, and mutually before and after image is symmetrical, has
Conducive to preferably being rotated.
Further, first link block is consistent with the second link block shape size, and mutually before and after image is symmetrical, has
Conducive to preferably being rotated.
Further, the fixture block uses plastic material, and material is slim and graceful, molding easy to process.
Further, first link block and the second link block are all made of plastic material, and material is slim and graceful, it is easy to process at
Type.
A kind of environmentally-friendly chalk holder of the utility model is conducive to by being provided with rotating device through the outer of pen cap surface
Screw thread is attached with the internal screw thread in the first fixed block, so that rotating device is fixed on chalk sleeve ontology top, is then taken out band
There is the chalk sleeve ontology of another color chalk, and it is passed through into the internal screw thread in the external screw thread and the second fixed block on pen cap surface
It is attached, solves the prior art when teacher needs to assist figure on blackboard or text by another color
It when underlining, needs to look for the chalk sleeve with another color chalk, to make to explain process interrupt, causes student at this
May be absent-minded in the section time, the problem of affecting efficiency of listening to lecture.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the chalk sleeve body construction schematic diagram of the utility model；
Fig. 3 is the chalk sleeve ontology internal clamping block structural schematic diagram of the utility model；
Fig. 4 is the rotating device structural schematic diagram of the utility model；
Fig. 5 is the rotating device nut location schematic diagram of the utility model.
In figure: chalk sleeve ontology -1, pen cap -11, fixture block -12, push/pull slot -2, regulation button -3, chalk -4, rotation dress
Set the -5, first fixed block -51, the first rotating bar -52, the first link block -53, the second link block -54, the second rotating bar -55,
Two fixed blocks -56, bolt -57, nut -58.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, the utility model provides a kind of environmentally-friendly chalk holder: including chalk sleeve sheet
Body 1, push/pull slot 2, regulation button 3, chalk 4 and rotating device 5,1 front center of chalk sleeve ontology are provided with push/pull slot 2, adjust
Button 3 is slidably connected with push/pull slot 2, and 1 bottom end of chalk sleeve ontology is clamped with chalk 4, and chalk sleeve ontology 1 is provided with rotation dress
5 are set, rotating device 5 is by the first fixed block 51, the first rotating bar 52, the first link block 53, the second link block 54, the second rotating bar
55, the second fixed block 56, bolt 57 and nut 58 form, and the first fixed block 51 is threadedly coupled with 1 upper end of chalk sleeve ontology,
First fixed block, 51 top middle portion is provided with the first rotating bar 52, and 52 upper front end of the first rotating bar is provided with the first link block
53, and be rotatablely connected with the first link block 53, the second link block 54 is set to 53 front end of the first link block, the second link block
54 upper ends are provided with the second rotating bar 55, and are rotatablely connected with the second link block 54, and 55 top of the second rotating bar is provided with
Second fixed block 56, bolt 57 is through in the middle part of the first link block 53 front end face, 52 upper center of the first rotating bar, and second turn
In the middle part of 55 lower end of lever and in the middle part of 54 front end face of the second link block, it is provided with nut 58 in the middle part of 54 rear end face of the second link block,
And be threadedly coupled with 57 rear end of bolt, 1 top of chalk sleeve ontology is provided with pen cap 11, and 11 outer surface of pen cap is provided with outside
Screw thread, the inside of chalk sleeve ontology 1 and 3 corresponding position of regulation button are provided with fixture block 12, and 12 top of fixture block and regulation button 3 into
Row grafting, the first fixed block 51 is consistent with 56 shape size of the second fixed block, and inside is provided with internal screw thread, the first rotating bar
52 is consistent with 55 shape size of the second rotating bar, and mutually before and after image is symmetrical, 54 shape of the first link block 53 and the second link block
Shape is in the same size, and mutually before and after image is symmetrical, and fixture block 12 uses plastic material, and the first link block 53 and the second link block 54 are
Using plastic material.
Bolt 57 described in this patent: machine components, the cylindrical threaded fastener of adapted nut.By head and spiral shell
Bar (having externally threaded cylindrical body) a kind of fastener dimerous, need to cooperate with nut, for being fastenedly connected two bands
There is the part of through-hole.This type of attachment claims to be bolted.As nut is screwed off from bolt 57, and the two parts can be made
It separates, therefore being bolted is to belong to be detachably connected；Nut 58 is exactly nut, is threaded together with bolt or screw rod for playing fastening
The part of effect, by the screw thread of inside, equivalent specifications nut 58 and bolt can just link together.
When user wants using this patent, first pen cap 11 is connected through a screw thread from chalk sleeve ontology 1 by it
Rotate counterclockwise removing, chalk sleeve ontology 1 is made to be divided into two parts, then take out fixture block 12, chalk is plugged in fixture block
Fixture block 12 with chalk is then packed into chalk sleeve ontology 1 by 12 lower ends, and loads onto the powder that another part has push/pull slot 2
Pen cap ontology 1 keeps it corresponding with fixture block 12, then regulation button 3 is mounted on fixture block 12, allows to be slided
It is dynamic, finally chalk sleeve ontology 1 will be attached fixation by pen cap 11, user then makes by pressing down on regulation button 3
Regulation button 3 is mutually separated with 12 junction of fixture block, then by pushing down on regulation button 3 and under the action of push/pull slot 2, is made
It can be slided up and down, so that chalk be released；When user needs to use two different colors of chalk sleeve ontology 1
When, it is attached by the external screw thread and the internal screw thread in the first fixed block 51 on 11 surface of pen cap, rotating device 5 is made to be fixed on powder
1 top of pen cap ontology then takes out the chalk sleeve ontology 1 with another color chalk, and it is passed through 11 surface of pen cap
Internal screw thread in external screw thread and the second fixed block 56 is attached, and can be turned between the first rotating bar 52 and the second rotating bar 55
Dynamic range is 0~120 degree, and user can according to demand be adjusted two chalk sleeve ontologies 1 with different colours chalk
To angle is suitble to, enforcement of going forward side by side is used, and when being not used, two chalk sleeve ontologies 1 with different colours chalk can rotated
Device 5 turns to fitting under acting on, and will not occupy redundant space, solve the prior art work as teacher need to figure on blackboard or
When text passes through another color progress secondary scribe mark, need to look for the chalk sleeve with another color chalk, thus
Make to explain process interrupt, the problem of causing student during this period of time may be absent-minded, affect efficiency of listening to lecture.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of environmentally-friendly chalk holder, including chalk sleeve ontology (1), push/pull slot (2), regulation button (3) and chalk (4), feature
It is: further includes rotating device (5), chalk sleeve ontology (1) front center is provided with push/pull slot (2), the regulation button
(3) it is slidably connected with push/pull slot (2), chalk sleeve ontology (1) bottom end is clamped with chalk (4), the chalk sleeve ontology
(1) it is provided with rotating device (5), the rotating device (5) is by the first fixed block (51), the first rotating bar (52), the first connection
Block (53), the second link block (54), the second rotating bar (55), the second fixed block (56), bolt (57) and nut (58) composition, institute
It states the first fixed block (51) to be threadedly coupled with chalk sleeve ontology (1) upper end, the first fixed block (51) top middle portion is set
It is equipped with the first rotating bar (52), the first rotating bar (52) upper front end is provided with the first link block (53), and is connected with first
It connects block (53) to be rotatablely connected, second link block (54) is set to the first link block (53) front end, second connection
Block (54) upper end is provided with the second rotating bar (55), and is rotatablely connected with the second link block (54), second rotating bar
(55) top is provided with the second fixed block (56), and the bolt (57) is through in the middle part of the first link block (53) front end face, and the
One rotating bar (52) upper center, the second rotating bar (55) lower end middle part and the second link block (54) front end face middle part, it is described
It is provided with nut (58) in the middle part of second link block (54) rear end face, and is threadedly coupled with bolt (57) rear end.
2. a kind of environmentally-friendly chalk holder according to claim 1, it is characterised in that: chalk sleeve ontology (1) the top setting
Have pen cap (11), and pen cap (11) outer surface is provided with external screw thread.
3. a kind of environmentally-friendly chalk holder according to claim 1, it is characterised in that: the chalk sleeve ontology (1) is internal and adjusts
Section button (3) corresponding position is provided with fixture block (12), and fixture block (12) top and regulation button (3) carry out grafting.
4. a kind of environmentally-friendly chalk holder according to claim 1, it is characterised in that: first fixed block (51) is solid with second
It is consistent to determine block (56) shape size, and inside is provided with internal screw thread.
5. a kind of environmentally-friendly chalk holder according to claim 1, it is characterised in that: first rotating bar (52) and second turn
Lever (55) shape size is consistent, and mutually before and after image is symmetrical.
6. a kind of environmentally-friendly chalk holder according to claim 1, it is characterised in that: first link block (53) connects with second
It is consistent to connect block (54) shape size, and mutually before and after image is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257735.0U CN209616720U (en) | 2019-02-28 | 2019-02-28 | A kind of environmentally-friendly chalk holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257735.0U CN209616720U (en) | 2019-02-28 | 2019-02-28 | A kind of environmentally-friendly chalk holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209616720U true CN209616720U (en) | 2019-11-12 |
Family
ID=68455265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920257735.0U Expired - Fee Related CN209616720U (en) | 2019-02-28 | 2019-02-28 | A kind of environmentally-friendly chalk holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209616720U (en) |
-
2019
- 2019-02-28 CN CN201920257735.0U patent/CN209616720U/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: 20191112 Termination date: 20210228 |