CN202428896U - Adjustable chalk clip - Google Patents
Adjustable chalk clip Download PDFInfo
- Publication number
- CN202428896U CN202428896U CN2011204240754U CN201120424075U CN202428896U CN 202428896 U CN202428896 U CN 202428896U CN 2011204240754 U CN2011204240754 U CN 2011204240754U CN 201120424075 U CN201120424075 U CN 201120424075U CN 202428896 U CN202428896 U CN 202428896U
- Authority
- CN
- China
- Prior art keywords
- cartridge
- container frame
- pen container
- lifting column
- adjustable chalk
- 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 an adjustable chalk clip, which consists of a pen container frame, compressed spring sheets, a clamping sheet, a cartridge, a tightness-adjustable chalk point, a lifting column, a spring and a locking cap, wherein seven cylindrical holes are formed at the periphery of the pen container frame; the outer sides of the cylindrical holes are provided with the compressed spring sheets, and the inner sides of the cylindrical holes are provided with open slots; the cartridge is cylindrical, a central hole is formed at the central position of the cartridge, and an inlet groove is formed at the upper end of the cartridge; the upper end of the cartridge is connected with the pen container frame through the clamping sheet in a sleeved mode, and the lower end of the cartridge is provided with the tightness-adjustable chalk point; the lifting column is engaged with the central hole through threads; and the lower end of the lifting column is provided with the spring and the locking cap. When the adjustable chalk clip is used, fingers are not contacted with chalks, so that the adjustable chalk clip is clean and sanitary; and seven chalks in different colors are filled in the pen container frame, so that the chalks can be quickly and conveniently replaced at any time according to the requirements of writing and drawing. The adjustable chalk clip has a simple structure, is convenient to operate, brings convenience to teachers and is suitable to be popularized.
Description
Technical field
The utility model relates to a kind of teaching aid, is a kind of adjustable chalk folder specifically.
Background technology
Chalk is a kind of educational aid of on blackboard, writing that the teacher uses always, but because it is to mix sticking glutinous agent with land plaster to make, and leaning on rubs stays the dust trace and show Chinese character and letter, diagram on blackboard.When writing, the teacher will pinch in hand with thumb and forefinger folder, usually is that delegation's word is write down, and full hand all is a dust, and is careless slightly, will erasing on clothes, write extremely unhygienic.
Summary of the invention
In view of above-mentioned, the purpose of the utility model is to provide a kind of adjustable chalk folder.
The utility model is realized through following technical scheme:
A kind of adjustable chalk folder is made up of pen container frame, making leaf spring, card, pen core, degree of tightness nib, lifting column, spring and locking cap, and the circumferential edge of pen container frame 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 through card and the socket of pen container frame, 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 utility model and beneficial effect:
When 1, the utility model adopts above-mentioned adjustable multifunctional chalk folder to write, as long as pinch a pond outer tube wall with finger, can write, finger does not contact chalk, clean hygiene.
2, the pen container frame of the utility model is equipped with the chalk of 7 different colours, has the effect of pencil box concurrently, has write one, as long as rotate the pen container frame, pushes making leaf spring, just can put into one automatically, can change chalk at any time according to writing, draw needs, and is quick and easy.
3, the lifting column outer end portion of the utility model can be used as teacher's pointer and uses, convenient indication, teaching.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 12-pond of 1-pen container frame 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
The specific embodiment
Below in conjunction with description of drawings the utility model is done further explanation:
As shown in Figure 1; A kind of adjustable chalk folder is made up of pen container frame 1, making leaf spring 2, card 3, pen core 4, degree of tightness nib 5, lifting column 7, spring 9 and locking cap 10, and the circumferential edge of pen container frame 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 through card 3 and 1 socket of pen container frame, 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, can write with finger.When needs are changed chalk,, the chalk of needs is turned to inlet channel 8 on one side as long as rotate pen container frame 1; Push making leaf spring 2; Chalk is pressed into inlet channel 8 by the open slot of cylindrical hole 11, gets into centre bore 6, through rotation and lifting post 7; Utilize spring 9 and locking cap 10 to stop writing and shift a pond 12 onto, expose degree of tightness nib 5 up to an end of chalk and get final product.
Claims (1)
1. an adjustable chalk presss from both sides; Form by pen container frame (1), making leaf spring (2), card (3), pen core (4), degree of tightness nib (5), lifting column (7), spring (9) and locking cap (10); It is characterized in that: the circumferential edge of pen container frame (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 through card (3) and pen container frame (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 |
|---|---|---|---|
| CN2011204240754U CN202428896U (en) | 2011-10-31 | 2011-10-31 | Adjustable chalk clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204240754U CN202428896U (en) | 2011-10-31 | 2011-10-31 | Adjustable chalk clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202428896U true CN202428896U (en) | 2012-09-12 |
Family
ID=46778367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204240754U Expired - Fee Related CN202428896U (en) | 2011-10-31 | 2011-10-31 | Adjustable chalk clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202428896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085536A (en) * | 2011-10-31 | 2013-05-08 | 王建生 | Adjustable chalk holder |
-
2011
- 2011-10-31 CN CN2011204240754U patent/CN202428896U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085536A (en) * | 2011-10-31 | 2013-05-08 | 王建生 | Adjustable chalk holder |
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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: 20120912 Termination date: 20131031 |