CN2564352Y - Chalk end using holder - Google Patents
Chalk end using holder Download PDFInfo
- Publication number
- CN2564352Y CN2564352Y CN 02252841 CN02252841U CN2564352Y CN 2564352 Y CN2564352 Y CN 2564352Y CN 02252841 CN02252841 CN 02252841 CN 02252841 U CN02252841 U CN 02252841U CN 2564352 Y CN2564352 Y CN 2564352Y
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- Prior art keywords
- chalk
- sleeve
- utility
- cover
- model
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- 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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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a chalk stub utilizing device; according to International Patent Classification table, the utility model pertains to the technical field of the subgroup of operation and transportation department, the subdivision of printing; writing or drawing article; the big category of office article; writing or drawing article; the small category of writing or drawing auxiliary article; and the small group technical field. A pencil or lead strip only needs to move in the axial direction towards a cutting blade to be sharpened. The utility model aims to solve the technical problems that the utilization rate of chalk stubs is low and chalk cause harm to skin; the utility model is mainly composed of a long chalk, a first sleeve, a second sleeve, a third sleeve, a forth sleeve, a screw handle and a chalk stub. The utility model is characterized in that the lower end of the chalk stub is nested and arranged in an inner chamber of the first sleeve; the lower end of the first sleeve is nested in the inner chamber of the second sleeve; a pin is inserted and arranged in the middle of the chalk stub; the lower end of the chalk stub is nested and arranged on the inner chamber of the first sleeve; the lower end of a spiral column is inserted and arranged at the left side of the forth sleeve; the lower end of the third sleeve is nested and arranged on the inner chamber of the forth sleeve. Pencils or lead strips only need to move in the axial direction towards the cutting blade to be sharpened. The utility model is a practical and novel technical proposal that has wide application, and low cost. Besides, the utility model is easy to manufacture and can be used conveniently, thus easy to promote.
Description
(1) technical field:
The utility model relates to the chalk head and utilizes device, divides by International Patent Classification (IPC) (IPC) to belong to operation; Department of Transportation, printing branch is write or drawing appliance; The big class of office appliance is write or drawing article; The assistant product group of writing or draw, big group of pencil or leads sharpening device, pencil or leads are within it only by moving axially the little technical group field of sharpening facing to cutting tip.
(2) background technology:
At present, existing and once had about big group of pencil or leads sharpening device, pencil or leads only utilize the demand of device all to do very fruitful effort by the technology that moves axially the group of sharpening facing to cutting tip to the chalk head within it, also once design many outstanding technical schemes.As being declared by Zhao's intergrowth of the Decree of Patent Office of China in 1996, Granted publication is CN2226527Y, and China Patent No. (ZL) is: No. 95220250.6 utility model patent title is the utility model patent of " spiral chalk dust ", the technical scheme that is adopted.In big group of pencil or leads sharpening device, pencil or leads are routine of great value inventions by the technical elements that moves axially the group of sharpening facing to cutting tip only within it, and it has solved the technical problem of chalk dust spiral effectively.But still have some deficits, it is low that it also is difficult to solve chalk head utilization rate; Throw away waste; The technical problem that chalk damages skin.
(3) summary of the invention:
The purpose of this utility model is to provide a kind of chalk head to utilize device.Low to solve chalk head utilization rate; Throw away waste; The technical problem that chalk damages skin.
The new technical scheme that above-mentioned technical problem to be solved in the utility model adopted be achieved in that the chalk head of this utility model utilize device mainly by: long chalk, cover one, cover two, cover three, cover four, twist hand, pin, double-screw bolt, chalk head and constitute.The long chalk of its major part, pin, double-screw bolt are selected for use by market.Its cover one is a truncated conical shape, is material with plastics, through the cold forming processing and manufacturing.Its cover two is truncated conical shape, is material with plastics, through the cold forming processing and manufacturing.Its stubborn hand is a petal shape, is material with iron, through the casting processing and manufacturing.
In shape, structure and combination thereof, the essential features that chalk head of the present utility model utilizes device and immediate prior art to have is: the thin end position fit of cover one is installed in the position of the bottom of long chalk, be combined into the bascule of truncated conical shape, function has been the effect of cover chalk.The bottom position welded and installed of twisting hand is combined into the fixed structure like the screw shape in the position on the top of double-screw bolt, and function has been the effect that turns.In shape, structure and combination thereof, chalk head of the present utility model utilizes the device technical characterictic different with immediate prior art to be: the lower end position of chalk head is inserted in the position of the inner chamber that is installed in cover one, the lower end position of cover one is inserted in the position of the inner chamber that is installed in cover two, be combined into the bascule of truncated conical shape, function has been the effect of writing.The position intermediate that is installed in the chalk head is inserted in the pin position of pin, and the lower end position of chalk head is inserted in the position of the inner chamber that is installed in cover one, is combined into the fixed structure of truncated conical shape, and function has been the fixedly effect of chalk head.The lower end position of double-screw bolt inserts the position on the right side that is installed in cover four, and the lower end position of cover three is inserted in the position of the inner chamber that is installed in cover four, is combined into the bascule of truncated conical shape, and function has been fixing effect.So just realized that chalk head of the present utility model utilizes the solution chalk head utilization rate of device low; Throw away waste; The purpose of the technical problem that chalk damages skin.
It is that the utility model is low for solving chalk head utilization rate that the chalk head of utility model utilizes the beneficial effect of device; Throw away waste; The technical scheme that technical problem adopted that chalk damages skin and existing and once had about big group of pencil or leads sharpening device, pencil or leads have only been compared three place's advantage and improvement by the technology that moves axially the group of sharpening facing to cutting tip within it:
First, because chalk head of the present utility model utilizes the lower end position that has designed the chalk head in the technical scheme of device to be inserted in the position of the inner chamber that is installed in cover one, the lower end position of cover one is inserted in the position of the inner chamber that is installed in cover two, be combined into the bascule of truncated conical shape, so the technical problem that easier solution is write.
Second, because chalk head of the present utility model utilizes the pin position of having designed pin in the technical scheme of device to insert the position intermediate that is installed in the chalk head, the lower end position of chalk head is inserted in the position of the inner chamber that is installed in cover one, be combined into the fixed structure of truncated conical shape, so the fixing technical problem of chalk head of easier solution.
The 3rd, because chalk head of the present utility model utilizes the lower end position that has designed double-screw bolt in the technical scheme of device to insert the position on the right side that is installed in cover four, the lower end position of cover three is inserted in the position of the inner chamber that is installed in cover four, be combined into the bascule of truncated conical shape, so the fixing technical problem of easier solution.
(4) description of drawings:
Accompanying drawing provides the structural representation that chalk head of the present utility model utilizes device:
Fig. 1: be the overall structure schematic diagram that chalk head of the present utility model utilizes device:
Fig. 2: be the partial structurtes schematic diagram that chalk head of the present utility model utilizes device:
Fig. 3: be the overall structure schematic diagram that chalk head of the present utility model utilizes device:
The label declaration of parts in the schematic diagram:
1 long chalk 2 covers one 3 covers 24 covers 35 covers four
6 twist hand 7 pins 8 double-screw bolts 9 chalk heads
(5) specific embodiment:
Below in conjunction with accompanying drawing, utilize device low for realizing solving chalk head utilization rate to chalk head of the present utility model; Throw away waste; The optimal way of the technical scheme that the technical problem that chalk damages skin is taked is described further:
Its static structure: please join accompanying drawing: as shown in the figure, chalk head of the present utility model utilizes device mainly to be made of long chalk 1, cover 1, cover 23, cover 34, cover 45, stubborn hand 6, pin 7, double-screw bolt 8, chalk head 9.The long chalk 1 of its major part, pin 7, double-screw bolt 8 are selected for use by market.Its cover 1 is truncated conical shape, is material with plastics, through the cold forming processing and manufacturing.Its cover 23 is truncated conical shape, is material with plastics, through the cold forming processing and manufacturing.Its stubborn hand 6 is petal shapes, is material with iron, through the casting processing and manufacturing.
In shape, structure and combination thereof, chalk head of the present utility model utilizes the total essential features of device and immediate prior art to be: overlap the position that one 2 thin end position fit is installed in the bottom of long chalk 1, be combined into the bascule of truncated conical shape, function has been the effect of cover chalk.The bottom position welded and installed of twisting hand 6 is combined into the fixed structure like the screw shape in the position on the top of double-screw bolt 8, and function has been the effect that turns.In shape, structure and combination thereof, chalk head of the present utility model utilizes the device technical characterictic different with immediate prior art to be: the lower end position of chalk head 9 is inserted in the position of the inner chamber that is installed in cover 1, overlap the position that one 2 lower end position is inserted in the inner chamber that is installed in cover 23, be combined into the bascule of truncated conical shape, function has been the effect of writing.The position intermediate that is installed in chalk head 9 is inserted in the pin position of pin 7, and the lower end position of chalk head 9 is inserted in the position of the inner chamber that is installed in cover 1, is combined into the fixed structure of truncated conical shape, and function has been the fixedly effect of chalk head.The lower end position of double-screw bolt 8 inserts the position on the right side that is installed in cover 45, overlaps the position that 34 lower end position is inserted in the inner chamber that is installed in cover 45, is combined into the bascule of truncated conical shape, and function has been the effect of fixing.
Below by using method, further set forth the dynamic structure relation that this practical chalk head utilizes device: in use, when needs are inserted long chalk 1, according to physical principle, at first take out long chalk 1, long then chalk 1 lower end is inserted in 1, turns hand 6 more then, thereby finishes the task of the long chalk of cover.
In use, in the time of needs covers chalk head 9, according to physical principle, at first chalk head 9 inserts cover 1, and pin 7 inserts in the middle of the chalk heads 9 then, and it is fixing to turn hand 6 more then, thereby finishes the task of overlapping the chalk head.So just realized that chalk head of the present utility model utilizes the solution chalk head utilization rate of device low; Throw away waste; The technical problem purpose that chalk damages skin.
Realize that preferred plan of the present utility model is is material with plastics, iron, utilize the basic equipment of teaching aid factory, take to produce by batch in a large number,, so just can realize better that chalk head of the present utility model utilizes the practical value and the economic worth of device to supply the demand on social boundary.
Claims (3)
1. the chalk head utilizes device, it is by long chalk (1), cover one (2), cover two (3), cover three (4), cover four (5), twist hand (6), pin (7), double-screw bolt (8), chalk head (9) constitutes, in shape, structure and be: overlap the position that one (2) thin end position fit is installed in the bottom of long chalk (1) in conjunction with the total necessary technology of last the utility model and immediate prior art, twist the position of the bottom position welded and installed of hand (6) on the top of double-screw bolt (8), the utility model is in shape, the structure and in conjunction with last, being different from immediate prior art feature is: the lower end position of chalk head (9) is inserted in the position of the inner chamber that is installed in cover one (2), and the lower end position of cover one (2) is inserted in the position of the inner chamber that is installed in cover two (3).
2. chalk head according to claim 1 utilizes device, it is characterized in that: the position intermediate that is installed in chalk head (9) is inserted in the pin position of pin (7), and the lower end position of chalk head (9) is inserted in the position of the inner chamber that is installed in cover one (2).
3. chalk head according to claim 1 utilizes device, it is characterized in that: the lower end position of double-screw bolt (8) inserts the position on the right side that is installed in cover four (5), and the lower end position of cover three (4) is inserted in the position of the inner chamber that is installed in cover four (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02252841 CN2564352Y (en) | 2002-08-27 | 2002-08-27 | Chalk end using holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02252841 CN2564352Y (en) | 2002-08-27 | 2002-08-27 | Chalk end using holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2564352Y true CN2564352Y (en) | 2003-08-06 |
Family
ID=33722176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02252841 Expired - Fee Related CN2564352Y (en) | 2002-08-27 | 2002-08-27 | Chalk end using holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2564352Y (en) |
-
2002
- 2002-08-27 CN CN 02252841 patent/CN2564352Y/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 | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wei Duo Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |