CN201907294U - Clamp holder for writing with chalk - Google Patents
Clamp holder for writing with chalk Download PDFInfo
- Publication number
- CN201907294U CN201907294U CN2011200153210U CN201120015321U CN201907294U CN 201907294 U CN201907294 U CN 201907294U CN 2011200153210 U CN2011200153210 U CN 2011200153210U CN 201120015321 U CN201120015321 U CN 201120015321U CN 201907294 U CN201907294 U CN 201907294U
- Authority
- CN
- China
- Prior art keywords
- chalk
- writing
- screw rod
- sleeve
- sleeve barrel
- 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 relates to a clamp holder for writing with a chalk, which belongs to the technical field of an auxiliary teaching tool. The clamp holder for writing with the chalk consists of a sleeve barrel (1), a screw rod (2) and elastic clamp sheets (3) and is characterized in that the screw rod (2) provided with a hand wheel (4) at the outer end is connected with a center hole of the left end surface of the sleeve barrel (1) through internal screw threads, the center part of the right end surface of the sleeve barrel (1) corresponding to the screw rod (2) is provided with a through hole (5) with the inside diameter being matched with the outside diameter of the chalk, and the inner wall of the sleeve barrel (1) is provided with two mutually symmetrical arc-shaped elastic clamp sheets (3) capable of clamping and fixing the chalk. The clamp holder for writing with the chalk has the advantages that the structure is simple, the use is convenient, the writing can be carried out through holding the sleeve barrel by hand, the direct contact between the hand and the chalk can be avoided, and the pollution on the hand of people is avoided.
Description
Technical field
The utility model belongs to teaching appurtenance technical field, and specifically a kind of chalk is write and used clamper.
Background technology
Chalk is the staple that school teacher writes on blackboard, points directly to contact with chalk when writing, and often expires the powder that hand is a white after class for one, and the adversary pollutes, healthy unfavorable to the people.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of user's hand directly not contact with chalk, can avoid pointing the chalk that is polluted and write and use clamper.
The purpose of this utility model is achieved in that this chalk is write with clamper and is made up of sleeve, screw rod, elastic clip, sleeve left side centre bore internal thread is connecting the screw rod that the outer end is provided with handwheel, the sleeve right side center relative with screw rod is provided with the through hole that internal diameter and chalk external diameter adapt, and sleeve lining is provided with two symmetrical arc elastic clips that chalk can be gripped.
During use, insert in the sleeve after chalk passed through hole on the sleeve right side, and chalk is gripped, write then and get final product by the arc elastic clip; Start to take turns in the writing process transfer, screw rod can be released chalk gradually.
Advantage of the present utility model: simple in structure, easy to use, hold sleeve and can write, can avoid hand directly to contact with chalk, avoid staff is polluted.
Description of drawings
Accompanying drawing is a structure cutaway view of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail: this chalk is write with clamper and is made up of sleeve 1, screw rod 2, elastic clip 3, sleeve 1 left side centre bore internal thread is connecting the screw rod 2 that the outer end is provided with handwheel 4, the sleeve 1 right side center relative with screw rod 2 is provided with the through hole 5 that internal diameter and chalk external diameter adapt, and sleeve 1 inwall is provided with two symmetrical arc elastic clips 3 that chalk can be gripped.
Claims (1)
1. a chalk is write and is used clamper, form by sleeve (1), screw rod (2), elastic clip (3), it is characterized in that sleeve (1) left side centre bore internal thread is connecting the screw rod (2) that the outer end is provided with handwheel (4), sleeve (1) the right side center relative with screw rod (2) is provided with the through hole (5) that internal diameter and chalk external diameter adapt, and sleeve (1) inwall is provided with two symmetrical arc elastic clips (3) that chalk can be gripped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200153210U CN201907294U (en) | 2011-01-19 | 2011-01-19 | Clamp holder for writing with chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200153210U CN201907294U (en) | 2011-01-19 | 2011-01-19 | Clamp holder for writing with chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201907294U true CN201907294U (en) | 2011-07-27 |
Family
ID=44299504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200153210U Expired - Fee Related CN201907294U (en) | 2011-01-19 | 2011-01-19 | Clamp holder for writing with chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201907294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452251A (en) * | 2011-12-10 | 2012-05-16 | 刘安民 | Chalk using device |
| CN109878246A (en) * | 2019-04-02 | 2019-06-14 | 孙昊 | A kind of arc clamped-in style pen core mounting structure and its application method |
-
2011
- 2011-01-19 CN CN2011200153210U patent/CN201907294U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452251A (en) * | 2011-12-10 | 2012-05-16 | 刘安民 | Chalk using device |
| CN109878246A (en) * | 2019-04-02 | 2019-06-14 | 孙昊 | A kind of arc clamped-in style pen core mounting structure and its application method |
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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: 20110727 Termination date: 20120119 |