CN203945852U - A kind of chalk connector - Google Patents
A kind of chalk connector Download PDFInfo
- Publication number
- CN203945852U CN203945852U CN201420410725.3U CN201420410725U CN203945852U CN 203945852 U CN203945852 U CN 203945852U CN 201420410725 U CN201420410725 U CN 201420410725U CN 203945852 U CN203945852 U CN 203945852U
- Authority
- CN
- China
- Prior art keywords
- chalk
- connector body
- cylinder
- accommodating cavity
- connector
- 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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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a kind of chalk connector, it comprises connector body (1), baffle plate (5), rubber ring (8) and locking member (9), connector body (1) top is provided with link (3), bottom is provided with external screw thread (6), in connector body (1), be provided with accommodating cavity (2), in accommodating cavity (2), be provided with spring (4), one end of spring (4) is fixed on the diapire of accommodating cavity (2), the other end is fixedly connected with baffle plate (5), connector body (1) is provided with tightening (7) near on one end of external screw thread (6), the outer surface of rubber ring (8) and tightening (7) are close to, described locking member (9) is comprised of cylinder (11) and round platform cylindrical shell (12), is provided with internal thread (10) in cylinder (11), and cylinder (11) is threaded with connector body (1).The utility model is rational in infrastructure, easy to operate, has improved the utilization rate of chalk, economizes on resources.
Description
Technical field
The utility model relates to a kind of chalk connector.
Background technology
Chalk is the instrument widely using in daily life, is generally used for book and writes on the blackboard.Chalk is the indispensable instrument of imparting knowledge to students at present, and teacher need to carry out impart knowledge with it.Although chalk is economical and practical educational aid, yet the use of chalk will inevitably produce a large amount of chalk end phenomenons, causes the wasting of resources of going up largely.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of chalk connector is provided, and can improve the utilization rate of chalk, economizes on resources.
The purpose of this utility model is achieved through the following technical solutions: a kind of chalk connector, it comprises connector body, baffle plate, rubber ring and locking member, connector body top is provided with link, bottom is provided with external screw thread, in connector body, be provided with accommodating cavity, in accommodating cavity, be provided with spring, one end of spring is fixed on the diapire of accommodating cavity, the other end is fixedly connected with baffle plate, connector body is near being provided with tightening on externally threaded one end, and outer surface and the tightening of rubber ring are close to; Described locking member is comprised of cylinder and round platform cylindrical shell, and cylinder is fixedly connected with round platform cylindrical shell, is provided with the internal thread matching with external screw thread in cylinder, and cylinder is threaded with connector body, and cylinder is outside equipped with anti-skidding striped.
Described accommodating cavity is circular hole, and rubber ring inside is provided with a circular hole, and the internal diameter of circular hole is consistent with accommodating cavity internal diameter.
The quantity of described tightening is four, and tightening is evenly arranged on connector body.
Described cylinder and frustum cone cylinder body by integral forming.
The beneficial effects of the utility model are:
1), this connector guaranteed when chalk is longer, this connector only exposes a chalk end outward, while avoiding chalk longer, by external force, is fractureed; When chalk more in short-term, this connector also can guarantee that teacher uses chalk to write preferably, has improved the utilization rate of chalk, economizes on resources;
2), in using the process of chalk, teacher can be by regulating locking member to reach the effect that progressively regulates chalk end to be exposed at the length outside connector, easy to use, and cylinder outer surface arranges anti-skidding striped, is more beneficial to adjusting locking member;
3), the utility model is rational in infrastructure, spring and locking member are used in conjunction with, while having guaranteed to unscrew locking member, chalk automatic spring, the rubber ring simultaneously arranging plays the effect of protection chalk, while avoiding locking because of the tightening chalk that more firmly fractures;
4), the utility model good looking appearance, and link is set, be convenient to cord and be connected with this connector, can be used as ornament and use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model connector body;
Fig. 2 is the structural representation of the utility model locking member;
Fig. 3 is use view of the present utility model;
In figure, 1-connector body, 2-accommodating cavity, 3-link, 4-spring, 5-baffle plate, 6-external screw thread, 7-tightening, 8-rubber ring, 9-locking member, 10-internal thread, 11-cylinder, 12-round platform cylindrical shell, 13-cord, the anti-skidding striped of 14-, 15-chalk.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of chalk connector, it comprises connector body 1, baffle plate 5, rubber ring 8 and locking member 9, connector body 1 top is provided with link 3, bottom is provided with external screw thread 6, in connector body 1, be provided with accommodating cavity 2, in accommodating cavity 2, be provided with spring 4, one end of spring 4 is fixed on the diapire of accommodating cavity 2, the other end is fixedly connected with baffle plate 5, connector body 1 is provided with tightening 7 on the one end near external screw thread 6, the outer surface of rubber ring 8 and tightening 7 are close to, the height of rubber ring 8 is less than or equal to the length of tightening 7, preferably, the height of rubber ring 8 is consistent with the length of tightening 7, as shown in Figure 2, described locking member 9 is comprised of cylinder 11 and round platform cylindrical shell 12, and cylinder 11 is fixedly connected with round platform cylindrical shell 12, is provided with the internal thread 10 matching with external screw thread 6 in cylinder 11, cylinder 11 is threaded with connector body 1, and cylinder 11 is outside equipped with anti-skidding striped 14.
Accommodating cavity 2 is circular hole, rubber ring 8 inside are provided with a circular hole, the internal diameter of circular hole is consistent with accommodating cavity 2 internal diameters, preferably, the quantity of tightening 7 is four, and tightening can clamp chalk 15 securely from four direction, and tightening 7 is evenly arranged on connector body 1, cylinder 11 is one-body molded with round platform cylindrical shell 12, and the globality of locking member 9 is stronger.
As shown in Figure 3, first chalk 15 (major part of chalk inwardly) is packed in the accommodating cavity 2 of connector body 1, then rubber ring 8 is inserted in the interlayer of tightening 7 and chalk 15 formation, finally locking member 9 is threaded with connector body 1, teacher is in the process of using, if think that the chalk end exposing is too short, can unscrew locking member 9, under the effect of spring 4 restoring forces, chalk 15 meeting automatic springs, be convenient to write, and the utility model also can be connected as jewelry and use with cord 13.
Claims (4)
1. a chalk connector, it is characterized in that: it comprises connector body (1), baffle plate (5), rubber ring (8) and locking member (9), connector body (1) top is provided with link (3), bottom is provided with external screw thread (6), in connector body (1), be provided with accommodating cavity (2), in accommodating cavity (2), be provided with spring (4), one end of spring (4) is fixed on the diapire of accommodating cavity (2), the other end is fixedly connected with baffle plate (5), connector body (1) is provided with tightening (7) near on one end of external screw thread (6), the outer surface of rubber ring (8) and tightening (7) are close to, described locking member (9) is comprised of cylinder (11) and round platform cylindrical shell (12), cylinder (11) is fixedly connected with round platform cylindrical shell (12), in cylinder (11), be provided with the internal thread (10) matching with external screw thread (6), cylinder (11) is threaded with connector body (1), and cylinder (11) is outside equipped with anti-skidding striped (14).
2. a kind of chalk connector according to claim 1, is characterized in that: described accommodating cavity (2) is circular hole, and rubber ring (8) inside is provided with a circular hole, and the internal diameter of circular hole is consistent with accommodating cavity (2) internal diameter.
3. a kind of chalk connector according to claim 1, is characterized in that: the quantity of described tightening (7) is four, and tightening (7) is evenly arranged on connector body (1).
4. a kind of chalk connector according to claim 1, is characterized in that: described cylinder (11) is one-body molded with round platform cylindrical shell (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410725.3U CN203945852U (en) | 2014-07-17 | 2014-07-17 | A kind of chalk connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410725.3U CN203945852U (en) | 2014-07-17 | 2014-07-17 | A kind of chalk connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203945852U true CN203945852U (en) | 2014-11-19 |
Family
ID=51887910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420410725.3U Expired - Fee Related CN203945852U (en) | 2014-07-17 | 2014-07-17 | A kind of chalk connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203945852U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599492A (en) * | 2016-02-19 | 2016-05-25 | 刘乐凝 | Chalk shell |
| CN106808842A (en) * | 2015-12-02 | 2017-06-09 | 王昱 | Point protector |
-
2014
- 2014-07-17 CN CN201420410725.3U patent/CN203945852U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808842A (en) * | 2015-12-02 | 2017-06-09 | 王昱 | Point protector |
| CN105599492A (en) * | 2016-02-19 | 2016-05-25 | 刘乐凝 | Chalk shell |
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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 |
Granted publication date: 20141119 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |