CN205588835U - Chalk sleeve - Google Patents
Chalk sleeve Download PDFInfo
- Publication number
- CN205588835U CN205588835U CN201521071934.0U CN201521071934U CN205588835U CN 205588835 U CN205588835 U CN 205588835U CN 201521071934 U CN201521071934 U CN 201521071934U CN 205588835 U CN205588835 U CN 205588835U
- Authority
- CN
- China
- Prior art keywords
- chalk
- sleeve
- holding rod
- chalk sleeve
- cover body
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a chalk sleeve, the cover body including the elastic construction, the front end of the cover body is provided with lock nut, the rear end of the cover body is provided with the lock sleeve, the side of the cover body is provided with the holding rod, the holding rod is located lock nut with position between the lock sleeve, the holding rod includes straight rod part and down tube portion, straight rod part with the cover body is perpendicular, down tube portion with the rear portion of the cover body forms the acute angle. The utility model discloses can enough prevent hand direct contact to chalk, also can make the chalk head nearer from the hand, hold the holding rod from the direction that becomes certain contained angle with set body, the user is more handy when using the chalk, long -time use that can be not tired.
Description
Technical field
This utility model belongs to realia technical field, is specifically related to a kind of chalk sleeve.
Background technology
Chalk is instrument widely used in daily life, is generally used for being written on blackboard, if user
Directly hold chalk for a long time, skin can be caused certain injury, and chalk dust is easily sticked on hand, unclear
Clean, the appearance of chalk sleeve solves this problem.The chalk sleeve of prior art is generally linear structure, this
Although kind of structure can play the effect of handguard, but owing to length is oversize, hands is too remote from chalk end, use
Person can feel to use the most all the time, uses overlong time, and hands is easy to feel tired.
Utility model content
The purpose of this utility model is that provides a kind of chalk sleeve to solve the problems referred to above.
This utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of chalk sleeve, including the body of elastic construction, the front end of described body is provided with locking nut, institute
The rear end stating body is provided with lock sleeve, and the side of described body is provided with holding rod, and described holding rod is positioned at described
Position between locking nut and described lock sleeve, described holding rod includes straight-bar portion and brace portion, described straight-bar
Portion is vertical with described body, and described brace portion forms acute angle with the rear portion of described body.
It is internal that chalk is fixed on set by locking nut and lock sleeve respectively from rear and front end, is made by straight-bar portion
Grip zone will not be too near to body, and activity space is wider, and brace portion is easy to user and holds, thus controls
Whole chalk sleeve and overlap the trend of internal chalk.
Preferably, the front end of described chalk sleeve is set to chamfering structure, it is simple to dismounting locking nut.
Preferably, described locking nut and described lock sleeve are plastic material, and quality is light and handy.
Preferably, the rear portion of described body is provided with guide ridges, and the inwall of described lock sleeve is provided with described
The gathering sill that guide ridges matches, described guide ridges is stuck in described gathering sill, it is simple to lock sleeve can be along
Body slides.
Preferably, the outer surface of described lock sleeve is provided with projection, it is simple to operation controls lock sleeve and moves.
Preferably, described straight-bar portion and described brace portion are connected for arcuate structure, and this structure will not be cut
Hands.
Preferably, the acute angle that the rear portion of described brace portion and described body is formed is 45 °, is demonstrate,proved by experiment
This angle bright to hold appearance more comfortable.
The beneficial effects of the utility model are:
This utility model can either prevent hands from directly contacting chalk, it is also possible to make chalk end from hands closer to,
Hold holding rod from the direction formed an angle with body, user when using chalk more smoothly, it is possible to no
Tired long-time use.
Accompanying drawing explanation
Fig. 1 is the structural representation of chalk sleeve described in the utility model；
Fig. 2 is the sectional structure schematic diagram of lock sleeve described in the utility model；
In figure: 1-body, 2-locking nut, 3-lock sleeve, 4-projection, 5-straight-bar portion, 6-brace portion,
7-guide ridges, 8-chalk, 9-gathering sill.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, this utility model includes the body 1 of elastic construction, the front end of described body 1
Being provided with locking nut 2, the rear end of described body 1 is provided with lock sleeve 3, and the side of described body 1 is arranged
There is holding rod, described holding rod position between described locking nut 2 and described lock sleeve 3, described holding rod
Including straight-bar portion 5 and brace portion 6, described straight-bar portion 5 is vertical with described body 1, described brace portion 6 and institute
The rear portion stating body 1 forms acute angle.
In the present embodiment, the front end of described chalk 8 set is set to chamfering structure.Described locking nut 2 He
Described lock sleeve 3 is plastic material.The rear portion of described body 1 is provided with guide ridges 7, described lock sleeve 3
Inwall be provided with the gathering sill 9 matched with described guide ridges 7, described guide ridges 7 is stuck in described gathering sill
In 9.The outer surface of described lock sleeve 3 is provided with projection 4.Described straight-bar portion 5 and the rank in described brace portion 6
Pick out as arcuate structure.The acute angle that the rear portion of described brace portion 6 and described body 1 is formed is 45 °.
Chalk 8 in use, is now inserted in body 1 to correct position, then leads to by this utility model from front end
Cross locking nut 2 and lock sleeve 3 chalk is fixed on set internal motionless, at this moment user's the most hand-holdable brace portion 6
Use chalk 8, when needing the position regulating chalk 8, then unclamp locking nut 2 and lock sleeve 3, this
Time just chalk 8 anteriorly can be moved.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all
Any amendment, equivalent and the improvement etc. made within spirit of the present utility model and principle, all should comprise
In protection domain of the present utility model.
Claims (7)
1. a chalk sleeve, including the body of elastic construction, it is characterised in that: the front end of described body is arranged
Having locking nut, the rear end of described body to be provided with lock sleeve, the side of described body is provided with holding rod, institute
Stating holding rod position between described locking nut and described lock sleeve, described holding rod includes that straight-bar portion is with oblique
Bar portion, described straight-bar portion is vertical with described body, and described brace portion forms acute angle with the rear portion of described body.
Chalk sleeve the most according to claim 1, it is characterised in that: the front end of described chalk sleeve is set to
Chamfering structure.
Chalk sleeve the most according to claim 1, it is characterised in that: described locking nut and described locking
Set is plastic material.
Chalk sleeve the most according to claim 1, it is characterised in that: the rear portion of described body is provided with leads
To ridge, the inwall of described lock sleeve is provided with the gathering sill matched with described guide ridges, described guide ridges card
In described gathering sill.
Chalk sleeve the most according to claim 1, it is characterised in that: the outer surface of described lock sleeve is arranged
There is projection.
Chalk sleeve the most according to claim 1, it is characterised in that: described straight-bar portion and described brace portion
Linking go out for arcuate structure.
Chalk sleeve the most according to claim 1, it is characterised in that: described brace portion and described body
The acute angle that rear portion is formed is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521071934.0U CN205588835U (en) | 2015-12-21 | 2015-12-21 | Chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521071934.0U CN205588835U (en) | 2015-12-21 | 2015-12-21 | Chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205588835U true CN205588835U (en) | 2016-09-21 |
Family
ID=56927278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521071934.0U Expired - Fee Related CN205588835U (en) | 2015-12-21 | 2015-12-21 | Chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205588835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291694A (en) * | 2018-10-22 | 2019-02-01 | 重庆三峡学院 | A kind of chalk auxiliary writing device |
-
2015
- 2015-12-21 CN CN201521071934.0U patent/CN205588835U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291694A (en) * | 2018-10-22 | 2019-02-01 | 重庆三峡学院 | A kind of chalk auxiliary writing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160921 Termination date: 20161221 |