CN207594589U - Chalk sleeve - Google Patents
Chalk sleeve Download PDFInfo
- Publication number
- CN207594589U CN207594589U CN201720911520.7U CN201720911520U CN207594589U CN 207594589 U CN207594589 U CN 207594589U CN 201720911520 U CN201720911520 U CN 201720911520U CN 207594589 U CN207594589 U CN 207594589U
- Authority
- CN
- China
- Prior art keywords
- chalk
- inner cylinder
- screw shell
- barrel
- clamping piece
- 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 chalk sleeve, including covering ontology, the set ontology includes inner cylinder, chalk barrel, screw shell, outer barrel；Chalk barrel is mounted in inner cylinder and can move up and down wherein, screw shell is sleeved on the periphery of inner cylinder, the inner wall of screw shell, which is equipped with, to cooperate with chalk barrel so that the sliding slot that chalk barrel moves up and down in inner tube, outer sleeve is mounted in the periphery of screw shell, wherein, the bottom of inner cylinder is equipped with the boss knob that coordinates with screw shell bottom end, deviates from from the bottom of inner cylinder to limit screw shell and is used to rotate inner cylinder；The top of the outer barrel is provided with clamping piece, is cased with fastener outside clamping piece, clamping piece is locked by fastener.The utility model is simple in structure, easy to operate, is provided simultaneously with the function of chalk sleeve, teacher's pointer and brush, vdiverse in function, highly practical.
Description
Technical field
The utility model is related to a kind of teaching aids, and in particular to a kind of chalk sleeve.
Background technology
The writing on the blackboard of teacher delivers knowledge for everybody, but themselves finger has but always taken chalk dust.Chalk
Ash is readily adsorbed in finger skin surface, dries finger skin Epidermal dehydration.And the long-term chalk that holds writes writing on the blackboard, easily makes to hold
The finger position life cocoon of chalk is held, finger is damaged.
In order to which chalk is allowed not to be in direct contact with finger, occur various chalk sleeves in the market：
Documents 1：CN102756589A discloses a kind of chalk sleeve, and including pedestal, pedestal is hollow base, in chalk sleeve
Front end is equipped with hollow hold assembly, and hold assembly is connect with pedestal by rubber case, and hold assembly is equipped with slidable tight
Gu ring, hold assembly is locked by slidable dead ring.
Documents 2：CN104708941A discloses a kind of chalk sleeve, including body and pedestal, the diameter of the body
And length, slightly larger than chalk, the pedestal is hollow, and body front end is equipped with hollow clamping piece, the setting of clamping piece lower end
There is dead ring, non-slip mat is equipped among body.
Chalk sleeve all functions are single disclosed in above-mentioned documents, and in chalk sleeve after insertion chalk, it is impossible to adjust chalk
Length, be easy to cause the waste of chalk；Or extracted chalk out from chalk sleeve using hand, it is inconvenient for operation, also easily do
Dirty hand makes chalk damage skin.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of chalk sleeves.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：
A kind of chalk sleeve is provided, including covering ontology, the set ontology includes inner cylinder, chalk barrel, screw shell, outer barrel；Powder
Pen container is mounted in inner cylinder and can move up and down wherein, and screw shell is sleeved on the periphery of inner cylinder, on the inner wall of screw shell
Equipped with cooperating with chalk barrel so that the sliding slot that chalk barrel moves up and down in inner tube, outer sleeve is mounted in the outer of screw shell
It encloses, wherein, the bottom of inner cylinder is equipped with the boss knob coordinated with screw shell bottom end, to limit bottom of the screw shell from inner cylinder
Deviate from and be used to rotate inner cylinder；
The top of the outer barrel is provided with clamping piece, is cased with fastener outside clamping piece, clamping piece is locked by fastener.
Further,
The top of the outer barrel is equipped with upper cover.Upper cover is used to after use, outer barrel be covered, chalk can be prevented not to be exposed at
Outside, chalk is avoided, which to make moist etc., influences its normal use.
Further,
Rubber grip is additionally provided in the middle part of the outer barrel.Rubber grip can increase the friction between chalk sleeve and finger
Power reduces the injury to hand skin, prevents from holding chalk sleeve for a long time and causes finger callous.
Further,
The bottom end of the inner cylinder boss knob is additionally provided with hairbrush or felt, and the bottom end of the inner cylinder is additionally provided with bottom cover, bottom cover
For covering hairbrush or felt.
Hairbrush or felt wipe letter written with chalk when wrongly writing word available for teacher, and without wiping or looking for blackboard with hand
Brush is wiped, and is facilitated and will not be damaged hand skin.
Further,
The boss knob is arranged to hollow structure, battery is provided in the hollow structure, and in the outer of boss knob
Mutually embedding laser lamp and switch is set on wall, the laser lamp is connect with battery.
In use, pulling out upper cover, loosening fasteners hold outer barrel and rotate the boss knob of inner cylinder, you can make chalk barrel
It moves up and down in inner cylinder, is moved up and down so as to adjust the chalk being placed in chalk barrel, adjust the length that chalk exposes outer barrel, adjust
After having saved length, chalk is fixed in tightening fastener parts, avoids chalk during writing and is easily snapped off because shaking.
At the same time it can also open the switch on boss knob, laser lamp is opened, chalk sleeve is made to be used as teacher's pointer.When wrongly writing word
In the case of, bottom cover can also be pulled out, exposes hairbrush or felt, wipes wrongly written character.
The utility model is simple in structure, easy to operate, is provided simultaneously with the function of chalk sleeve, teacher's pointer and brush, vdiverse in function,
It is highly practical.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model embodiment chalk sleeve；
Fig. 2 is the detachment means schematic diagram that the utility model embodiment covers ontology；
Above-mentioned reference numeral：
Inner cylinder 1；Chalk barrel 2；Screw shell 3；Outer barrel 4；Sliding slot 31；Boss knob 11；Clamping piece 41；Rubber grip
42；Fastener 5；Hairbrush (felt) 6；Upper cover 7；Bottom cover 8；Laser lamp 111.
Specific embodiment
Utility model is further illustrated with reference to embodiment and attached drawing, but is not limited to the model of the utility model
It encloses.
As shown in Figure 1, 2, the utility model provides a kind of chalk sleeve, including covering ontology, the set ontology include inner cylinder 1,
Chalk barrel 2, screw shell 3, outer barrel 4；Chalk barrel 2 is mounted in inner cylinder 1 and can move up and down wherein, 3 sets of screw shell
Mounted in the periphery of inner cylinder 1, the inner wall of screw shell 3, which is equipped with, to cooperate with chalk barrel 2 so that chalk barrel 2 is upper and lower in inner tube
Mobile sliding slot 31, outer barrel 4 are sleeved on the periphery of screw shell 3, wherein, the bottom of inner cylinder 1 is equipped with matches with 3 bottom end of screw shell
The boss knob 11 of conjunction is deviate from from the bottom of inner cylinder 1 to limit screw shell 3 and is used to rotate inner cylinder 1；
The top of outer barrel 4 is provided with clamping piece 41, is cased with fastener 5 outside clamping piece 41, clamping piece 41 is locked by fastener 5
Tightly.
The top of outer barrel 4 is equipped with upper cover 7.Upper cover 7 is used to after use, outer barrel 4 be covered, chalk can be prevented not to be exposed at
Outside, chalk is avoided, which to make moist etc., influences its normal use.
The middle part of outer barrel 4 is additionally provided with rubber grip 42.Rubber grip 42 can increase the friction between chalk sleeve and finger
Power reduces the injury to hand skin, prevents from holding chalk sleeve for a long time and causes finger callous.
The bottom end of the boss knob 11 of inner cylinder 1 is additionally provided with hairbrush (or felt) 8, and the bottom end of inner cylinder 1 is additionally provided with bottom cover 8, bottom
Lid 8 is used to cover hairbrush (or felt) 8.
Hairbrush (or felt) 8 wipes letter written with chalk when wrongly writing word available for teacher, and without being wiped or being looked for hand
Blackboard brush is wiped, and is facilitated and will not be damaged hand skin.
Boss knob 11 is arranged to hollow structure, battery is provided in the hollow structure, and in the outer of boss knob 11
Mutually embedding laser lamp 111 and switch is set on wall, the laser lamp 111 is connect with battery.
In use, pulling out upper cover 6, loosening fasteners 5 hold outer barrel 4 and rotate the boss knob 11 of inner cylinder 1, you can make
Chalk barrel 2 moves up and down in inner cylinder 1, is moved up and down so as to adjust the chalk being placed in chalk barrel 2, adjusts chalk and exposes outer barrel
4 length, after having adjusted length, chalk is fixed in tightening fastener parts 5, avoids chalk during writing because shaking
It easily snaps off.
At the same time it can also open the switch on boss knob 11, laser lamp 111 is opened, chalk sleeve is made to be used as teacher's pointer.When writing
In the case of wrongly written character, bottom cover 7 can also be pulled out, exposes hairbrush (or felt) 6, wipes wrongly written character.
The utility model is simple in structure, easy to operate, is provided simultaneously with the function of chalk sleeve, teacher's pointer and brush, vdiverse in function,
It is highly practical.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model will
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (5)
1. chalk sleeve, which is characterized in that including covering ontology,
The set ontology includes inner cylinder, chalk barrel, screw shell, outer barrel；Chalk barrel is mounted in inner cylinder and can be on wherein
Lower movement, screw shell are sleeved on the periphery of inner cylinder, and the inner wall of screw shell, which is equipped with, to cooperate with chalk barrel so that chalk
The sliding slot that cylinder moves up and down in inner tube, outer sleeve are mounted in the periphery of screw shell, wherein, the bottom of inner cylinder is equipped with and screw-casing
The boss knob of tube bottom end cooperation, deviates from from the bottom of inner cylinder to limit screw shell and is used to rotate inner cylinder；
The top of the outer barrel is provided with clamping piece, is cased with fastener outside clamping piece, clamping piece is locked by fastener.
2. chalk sleeve according to claim 1, which is characterized in that
The top of the outer barrel is equipped with upper cover.
3. chalk sleeve according to claim 1, which is characterized in that
Rubber grip is additionally provided in the middle part of the outer barrel.
4. chalk sleeve according to claim 1, which is characterized in that
The bottom end of the inner cylinder boss knob is additionally provided with hairbrush or felt, and the bottom end of the inner cylinder is additionally provided with bottom cover, and bottom cover is used for
Cover hairbrush or felt.
5. chalk sleeve according to claim 1, which is characterized in that
The boss knob is arranged to hollow structure, battery is provided in the hollow structure, and on the outer wall of boss knob
Mutually embedding laser lamp simultaneously sets switch, and the laser lamp is connect with battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911520.7U CN207594589U (en) | 2017-07-26 | 2017-07-26 | Chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911520.7U CN207594589U (en) | 2017-07-26 | 2017-07-26 | Chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207594589U true CN207594589U (en) | 2018-07-10 |
Family
ID=62752620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720911520.7U Expired - Fee Related CN207594589U (en) | 2017-07-26 | 2017-07-26 | Chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207594589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228737A (en) * | 2018-09-11 | 2019-01-18 | 安徽潜源教学设备有限公司 | A kind of chalk clip for teaching |
-
2017
- 2017-07-26 CN CN201720911520.7U patent/CN207594589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228737A (en) * | 2018-09-11 | 2019-01-18 | 安徽潜源教学设备有限公司 | A kind of chalk clip for teaching |
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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: 20180710 Termination date: 20190726 |