CN201728948U - Chalk writing sanitary ware - Google Patents
Chalk writing sanitary ware Download PDFInfo
- Publication number
- CN201728948U CN201728948U CN2010202791584U CN201020279158U CN201728948U CN 201728948 U CN201728948 U CN 201728948U CN 2010202791584 U CN2010202791584 U CN 2010202791584U CN 201020279158 U CN201020279158 U CN 201020279158U CN 201728948 U CN201728948 U CN 201728948U
- Authority
- CN
- China
- Prior art keywords
- chalk
- urceolus
- push rod
- outer cylinder
- writing
- 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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- Pens And Brushes (AREA)
Abstract
The utility model discloses a chalk writing sanitary ware which consists of a chalk, a push rod and an outer cylinder; the push rod is connected with the outer cylinder in a sliding way; one end of the push rod is a connecting sleeve and the other end is a push handle; the connecting sleeve is arranged in the outer cylinder; the push handle is arranged outside the outer cylinder; the chalk is sleeved inside the outer cylinder; one end of the chalk is blocked, sleeved and connected with the connecting sleeve; and the chalk is arranged inside the outer cylinder, which avoids a human hand from being directly contacted with the chalk and reduces the dust dispersed in the air.
Description
Technical field
This use is novel to relate to a kind of chalk, relates to a kind of chalk writing hygiene device in particular.
Technical background
Chalk is the instrument that widely uses in the life, is usually used in writing on blackboard; Chalk can produce a large amount of dust in use, and this mainly is because chalk and the friction of blackboard and the friction of chalk and staff; And the dust that is produced during the friction of chalk and blackboard has all fallen into the ash-pit of blackboard below basically, and the overwhelming majority of flying away airborne dust is that the friction by chalk and staff causes.
The utility model content
Be to solve the problem that exists in the background technology, this use is novel to have proposed a kind of chalk writing hygiene device, and it is made up of chalk, push rod and urceolus; Push rod and urceolus are slidingly connected; Push rod one end is an adapter sleeve, and the other end is for pushing away handle, and adapter sleeve places in the urceolus, pushes away handle and places outside the urceolus; Chalk sleeve is connected in the urceolus, and chalk one end is connected with the adapter sleeve cutting ferrule.
Described urceolus also is provided with one and connects soft cover, connects soft cover and closely contacts with chalk and the slit between urceolus and the chalk is covered.
Useful technique effect of the present utility model is: chalk is placed in the urceolus, has avoided staff to contact with the direct of chalk, has reduced and has flown away airborne dust.
Description of drawings
Fig. 1 chalk writing hygiene device schematic diagram
The specific embodiment
Scheme of the present utility model is: it is made up of chalk 1, push rod 2 and urceolus 3; Push rod 2 and urceolus 3 are slidingly connected; Push rod 2 one ends are adapter sleeve 2-1, and the other end is for pushing away handle 2-3, and adapter sleeve 2-1 places in the urceolus 3, push away handle 2-3 and place outside the urceolus 3; Chalk 1 is socketed in the urceolus 3, and chalk 1 one ends are connected with adapter sleeve 2-1 cutting ferrule.This has just effectively been avoided staff to contact with the direct of chalk.
Described urceolus 3 also is provided with one and connects soft cover 3-1, connects that soft cover 3-1 and chalk 1 are tight to be contacted and the slit between urceolus 3 and the chalk 1 is covered.Connecting soft cover 3-1 makes staff can grip chalk 1 more easily with tight contact of chalk 1.
After adopting improvement of the present utility model, avoided staff to contact, effectively reduced and flown away, after the chalk outside being exposed to the soft cover of connection 3-1 uses to airborne dust with the direct of chalk 1, push away handle 2-3 again chalk 1 is released one section downwards, continue to use.
Claims (2)
1. chalk writing hygiene device, it is characterized in that: it is made up of chalk (1), push rod (2) and urceolus (3); Push rod (2) and urceolus (3) are slidingly connected; Push rod (2) one ends are adapter sleeve (2-1), and the other end is for pushing away handle (2-3), and adapter sleeve (2-1) places in the urceolus (3), push away handle (2-3) and place outside the urceolus (3); Chalk (1) is socketed in the urceolus (3), and chalk (1) one end is connected with adapter sleeve (2-1) cutting ferrule.
2. chalk writing hygiene device according to claim 1 is characterized in that: described urceolus (3) also is provided with one and connects soft cover (3-1), connects soft cover (3-1) and closely contacts with chalk (1) and the slit between urceolus (3) and the chalk (1) is covered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202791584U CN201728948U (en) | 2010-08-02 | 2010-08-02 | Chalk writing sanitary ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202791584U CN201728948U (en) | 2010-08-02 | 2010-08-02 | Chalk writing sanitary ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201728948U true CN201728948U (en) | 2011-02-02 |
Family
ID=43520107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202791584U Expired - Fee Related CN201728948U (en) | 2010-08-02 | 2010-08-02 | Chalk writing sanitary ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201728948U (en) |
-
2010
- 2010-08-02 CN CN2010202791584U patent/CN201728948U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20110802 |