CN103085536A - Adjustable chalk holder - Google Patents
Adjustable chalk holder Download PDFInfo
- Publication number
- CN103085536A CN103085536A CN2011103382767A CN201110338276A CN103085536A CN 103085536 A CN103085536 A CN 103085536A CN 2011103382767 A CN2011103382767 A CN 2011103382767A CN 201110338276 A CN201110338276 A CN 201110338276A CN 103085536 A CN103085536 A CN 103085536A
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- China
- Prior art keywords
- core
- lifting column
- chalk
- adjustable
- spring
- Prior art date
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Abstract
An adjustable chalk holder comprises a chalk container support, compress spring pieces, a locking piece, a core, an elastic head, a lifting column, a fixing cap and a spring. 7 cylindrical holes are arranged in the chalk container support in a surrounded manner. The compress spring pieces are arranged on the outer side of the cylindrical holes, and opening grooves are arranged on the inner side of the cylindrical holes. The core is a cylinder; and a central hole is reserved in the center of the core. An inlet groove is reserved at the upper end of the core which is in a sleeve joint with the chalk container support through the locking piece, and the lower end of the core is provided with the elastic head. The lifting column is meshed with the central hole through screw threads, and the spring and the fixing cap are arranged at the lower end of the lifting column. When using the adjustable chalk holder, a user does not need to touch chalks with fingers, and can keep fingers clean. Besides, the adjustable chalk holder holds chalks in 7 different colors which can be rapidly and conveniently changed at any time according to requirements of writing and drawing. The adjustable chalk holder is simple in structure, convenient to operate by teaching staffs, and suitable for promotion.
Description
Technical field
The present invention relates to a kind of teaching aid, is a kind of adjustable chalk clip specifically.
Background technology
Chalk is a kind of educational aid of writing on blackboard that the teacher commonly uses, but because it is to mix sticking glutinous agent with land plaster to make, and stays the dust trace by rubbing and come Display of Chinese characters and letter, diagram on blackboard.When writing, the teacher will pinch in hand with thumb and forefinger folder, is usually that line inscribed is write down, and full hand is all dust, and is slightly careless, will erasing on clothes, write extremely unhygienic.
Summary of the invention
In view of above-mentioned, the object of the present invention is to provide a kind of adjustable chalk clip.
The present invention is achieved through the following technical solutions:
A kind of adjustable chalk clip is comprised of pen pot holder, making leaf spring, card, pen core, degree of tightness nib, lifting column, locking cap and spring, and the garden periphery of pen pot holder is provided with 7 cylindrical holes, and the outside of cylindrical hole is provided with making leaf spring, and its inboard is provided with open slot; Pen core is cylinder, and the center is provided with centre bore, and its upper end is provided with inlet channel; The upper end of pen core is by card and pen pot holder socket, and its lower end is provided with the degree of tightness nib; Lifting column and centre bore pass through screw-threaded engagement; The lifting column lower end is provided with spring and locking cap.
Advantage of the present invention and beneficial effect:
When 1, the present invention adopts above-mentioned adjustable Multifunctional chalk clamp to write, as long as pinch a pond outer tube wall with finger, can write, finger does not contact chalk, clean hygiene.
2, pen pot holder of the present invention is equipped with the chalk of 7 different colours, has the effect of pencil box concurrently, writes one, as long as the rotary pen container frame is pressed making leaf spring, just can automatically put into one, can change at any time chalk according to writing, draw needs, and is quick and easy.
3, lifting column outer end portion of the present invention can be used as teacher's pointer and uses, convenient indication, teaching.
Description of drawings
Fig. 1 is structural representation of the present invention.
In figure: 1-pen pot holder 2-making leaf spring 3-card 4-pen core 5-degree of tightness nib 6-centre bore 7-lifting column 8-inlet channel 9-spring 10-locking cap 11-cylindrical hole 12-pond
The specific embodiment
The present invention is described further below in conjunction with description of drawings:
As shown in Figure 1, a kind of adjustable chalk clip is comprised of pen pot holder 1, making leaf spring 2, card 3, pen core 4, degree of tightness nib 5, lifting column 7, locking cap 9 and spring 10, and the garden periphery of pen pot holder 1 is provided with 7 cylindrical holes 11, the outside of cylindrical hole 11 is provided with making leaf spring 2, and its inboard is provided with open slot; Pen core 4 is cylinder, and the center is provided with centre bore 6, and its upper end is provided with inlet channel 8; The upper end of pen core 4 is by card 3 and pen pot holder 1 socket, and its lower end is provided with degree of tightness nib 5; Lifting column 7 passes through screw-threaded engagement with centre bore 6; Lifting column 7 lower ends are provided with spring 9 and locking cap 10.
In use, pinch pen core 4 with finger, can write.When needs are changed chalk, as long as rotary pen container frame 1, the chalk of needs is turned to inlet channel 8 on one side, press making leaf spring 2, chalk is pressed into inlet channel 8 by the open slot of cylindrical hole 11, enters centre bore 6, by rotary lifting pole 7, utilize spring 9 and locking cap 10 to stop writing and shift a pond 12 onto, get final product until an end of chalk exposes degree of tightness nib 5.
Claims (1)
1. adjustable chalk clip, formed by pen pot holder (1), making leaf spring (2), card (3), pen core (4), degree of tightness nib (5), lifting column (7), locking cap (9) and spring (10), it is characterized in that: the garden periphery of pen pot holder (1) is provided with 7 cylindrical holes (11), the outside of cylindrical hole (11) is provided with making leaf spring (2), and its inboard is provided with open slot; Pen core (4) is cylinder, and the center is provided with centre bore (6), and its upper end is provided with inlet channel (8); The upper end of pen core (4) is by card (3) and pen pot holder (1) socket, and its lower end is provided with degree of tightness nib (5); Lifting column (7) passes through screw-threaded engagement with centre bore (6); Lifting column (7) lower end is provided with spring (9) and locking cap (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103382767A CN103085536A (en) | 2011-10-31 | 2011-10-31 | Adjustable chalk holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103382767A CN103085536A (en) | 2011-10-31 | 2011-10-31 | Adjustable chalk holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103085536A true CN103085536A (en) | 2013-05-08 |
Family
ID=48198871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103382767A Pending CN103085536A (en) | 2011-10-31 | 2011-10-31 | Adjustable chalk holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103085536A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1798029A (en) * | 1929-06-12 | 1931-03-24 | John P Nicholas | Adjustable crayon holder |
| CN85205649U (en) * | 1985-12-26 | 1986-07-23 | 余承汉 | Adjustable chalk clip |
| CN2460311Y (en) * | 2001-01-03 | 2001-11-21 | 梁苑 | Chalk cover |
| CN201812398U (en) * | 2010-10-20 | 2011-04-27 | 赵美凤 | Pointer |
| CN102039751A (en) * | 2011-01-11 | 2011-05-04 | 刘昱彤 | Novel chalk clip device |
| CN201833718U (en) * | 2010-10-28 | 2011-05-18 | 张依诺 | Novel chalk |
| CN202428896U (en) * | 2011-10-31 | 2012-09-12 | 王建生 | Adjustable chalk clip |
-
2011
- 2011-10-31 CN CN2011103382767A patent/CN103085536A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1798029A (en) * | 1929-06-12 | 1931-03-24 | John P Nicholas | Adjustable crayon holder |
| CN85205649U (en) * | 1985-12-26 | 1986-07-23 | 余承汉 | Adjustable chalk clip |
| CN2460311Y (en) * | 2001-01-03 | 2001-11-21 | 梁苑 | Chalk cover |
| CN201812398U (en) * | 2010-10-20 | 2011-04-27 | 赵美凤 | Pointer |
| CN201833718U (en) * | 2010-10-28 | 2011-05-18 | 张依诺 | Novel chalk |
| CN102039751A (en) * | 2011-01-11 | 2011-05-04 | 刘昱彤 | Novel chalk clip device |
| CN202428896U (en) * | 2011-10-31 | 2012-09-12 | 王建生 | Adjustable chalk clip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130508 |