CN2589211Y - Novel chalk holder - Google Patents
Novel chalk holder Download PDFInfo
- Publication number
- CN2589211Y CN2589211Y CN 02292783 CN02292783U CN2589211Y CN 2589211 Y CN2589211 Y CN 2589211Y CN 02292783 CN02292783 CN 02292783 CN 02292783 U CN02292783 U CN 02292783U CN 2589211 Y CN2589211 Y CN 2589211Y
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- Prior art keywords
- chalk
- sleeve
- groove
- novel
- utility
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Abstract
The utility model relates to a novel chalk sleeve which belongs to the technical field of the group of extruding mechanisms, retracting mechanisms or locking mechanisms of the writing part selection of the subclass of writing or drawing apparatus of the class of office appliances of writing or drawing apparatus under the subsection of printing in the section of performing operations and transportation according to the International Patent Classification (IPC). The novel chalk sleeve aims to solve the technical problems of wasteful chalk usage and chalk waste. The novel chalk sleeve is mainly composed of a gripping sleeve, a chalk sleeve, a chalk, a groove, a small rubber block and a groove. The utility model is characterized in that the bottom of the small rubber block is adhesively arranged at the inner surface of the chalk sleeve; the outer surface of the chalk is inserted in the inner surface of the chalk sleeve; the outer surface of the groove is adhesively connected to the right side of the gripping sleeve, and the outer surface of the groove is adhesively arranged at the left side of the gripping sleeve. The novel chalk sleeve with a new practical technical scheme is suitable for the selection in the field of the writing part and belongs to the field the groups of the extruding mechanisms, the retracting mechanisms or the locking mechanisms. The utility model has the advantages of wide application ranges, simple fabrication, low cost and convenient use.
Description
(1) technical field:
The utility model relates to novel chalk casing, divides by International Patent Classification (IPC) (IPC) to belong to operation, Department of Transportation, printing branch, write or drawing appliance, the big class of office appliance is write or the drawing appliance group, the selection of written portion, the technical field of release withdrawal or locking mechanism group.
(2) background technology:
At present, the selection that has now and once had about written portion, the technology of withdrawal or locking mechanism group of releasing was all done very fruitful effort to the demand of novel chalk casing, also once designed many outstanding technical schemes.As the * Decree of Patent Office of China since the row capital declare, Granted publication number is CN2224728 Y, China Patent No. (ZL) is: No. 94248656.0 utility model patent title is the utility model patent of " Automatic chalk cover ", the technical scheme that is adopted.The selection of written portion, the technical elements of releasing withdrawal or locking mechanism group is a routine of great value invention, it has solved the full automatic technical problem of chalk sleeve effectively.But still have some deficits, it also is difficult to solve the chalk use and does not save, the technical problem of waste chalk.
(3) summary of the invention:
The purpose of this utility model is to provide a kind of novel chalk casing.Use and do not save to solve chalk, the waste powder and technical problem.
The novel chalk casing that the new technical scheme that above-mentioned technical problem to be solved in the utility model adopted is achieved in that this utility model mainly by: gripping sleeve, chalk sleeve, chalk, groove, small rubber piece, groove constitute.Its major part chalk, small rubber piece are selected for use by market.Its gripping sleeve is upper coarse and lower fine drum, is material with the steel plate, through the processing and forming manufacturing.Its chalk sleeve is upper coarse and lower fine drum, is material with the steel plate, through the processing and forming manufacturing.Its groove is a semi-circular shape, is material with rubber, through the processing and forming manufacturing.
In shape, structure and combination thereof, the total essential features of novel chalk casing of the present utility model and immediate prior art is: the inner surface position socket of gripping sleeve is installed in the outer surface position of chalk sleeve, be combined into the combining structure of upper coarse and lower fine cylindrical shape, function has been the effect that clamps.In shape, structure and combination thereof, the novel chalk casing of the present utility model technical characterictic different with immediate prior art is: the bottom position of statuette blob of viscose is pasted the inner surface position that is installed in chalk sleeve, the outer surface position of chalk is inserted in the inner surface position of chalk sleeve, be combined into the combining structure of upper coarse and lower fine cylindrical shape, function has been effect fixing, chalk.The outer surface position of groove is pasted the right positions that is connected gripping sleeve, and the outer surface position of groove is pasted the leftward position that is installed in gripping sleeve, is combined into the combining structure of two semi-circular shapes, and function has been the effect of placing finger.The solution chalk of so just having realized novel chalk casing of the present utility model uses does not save the purpose of the technical problem of waste chalk.
The beneficial effect of the novel chalk casing of utility model is: the utility model is not saved for solving the chalk use, the technical scheme that technical problem adopted and the selection about written portion existing and that once had of waste chalk, the technology of withdrawal or locking mechanism group of releasing has been compared two advantages and improvement:
First, paste the inner surface position that is installed in chalk sleeve owing to designed the bottom position of statuette blob of viscose in the technical scheme of novel chalk casing of the present utility model, the outer surface position of chalk is inserted in the inner surface position of chalk sleeve, be combined into the combining structure of upper coarse and lower fine cylindrical shape, so can easier solution fix, the technical problem of chalk.
Second, paste the right positions that is connected gripping sleeve owing to designed the outer surface position of groove in the technical scheme of novel chalk casing of the present utility model, the outer surface position of groove is pasted the leftward position that is installed in gripping sleeve, be combined into the combining structure of two semi-circular shapes, so can easier solution place the technical problem of pointing.
(4) description of drawings:
Accompanying drawing provides the structural representation of novel chalk casing of the present utility model:
Fig. 1: the sectional structure schematic diagram that is novel chalk casing of the present utility model:
Fig. 2: the overall structure schematic diagram that is novel chalk casing of the present utility model:
The label declaration of parts in the schematic diagram: 1 gripping sleeve, 2 chalk sleeves, 3 chalks, 4 grooves, 5 small rubber pieces, 6 grooves
(5) specific embodiment:
Below in conjunction with accompanying drawing, for realizing that solving the chalk use does not save, the optimal way of the technical scheme that the technical problem of waste chalk is taked is described further to novel chalk casing of the present utility model:
Its static structure: please join accompanying drawing: as shown in the figure, novel chalk casing of the present utility model mainly is made of gripping sleeve 1, chalk sleeve 2, chalk 3, groove 4, small rubber piece 5, groove 6.Its major part chalk 3, small rubber piece 5 are selected for use by market.Its gripping sleeve 1 is upper coarse and lower fine drum, is material with the steel plate, through the processing and forming manufacturing.Its chalk sleeve 2 is upper coarse and lower fine drums, is material with the steel plate, through the processing and forming manufacturing.Its groove 4 is semi-circular shapes, is material with rubber, through the processing and forming manufacturing.
In shape, structure and combination thereof, the total essential features of novel chalk casing of the present utility model and immediate prior art is: the inner surface position socket of gripping sleeve 1 is installed in the outer surface position of chalk sleeve 2, be combined into the combining structure of upper coarse and lower fine cylindrical shape, function has been the effect that clamps.In shape, structure and combination thereof, the novel chalk casing of the present utility model technical characterictic different with immediate prior art is: the bottom position of statuette blob of viscose 5 is pasted the inner surface position that is installed in chalk sleeve 2, the outer surface position of chalk 3 is inserted in the inner surface position of chalk sleeve 2, be combined into the combining structure of upper coarse and lower fine cylindrical shape, function has been effect fixing, chalk.The outer surface position of groove 4 is pasted the right positions that is connected gripping sleeve 1, and the outer surface position of groove 6 is pasted the leftward position that is installed in gripping sleeve 1, is combined into the combining structure of two semi-circular shapes, and function has been the effect of placing finger.
Below by using method, further set forth the dynamic structure relation of this practical novel chalk casing: in use, when the needs chalk writes, principle according to physics, the chalk sleeve 2 of at first chalk being packed into puts chalk sleeve 2 then, thereby finishes the task of writing.
In use, when needs are saved chalk, according to the principle of physics, play chalk sleeve 2 at first downwards, play chalk then, the gripping sleeve 2 that is locked then again, thus finish the task of saving chalk.The solution chalk of so just having realized novel chalk casing of the present utility model uses does not save the purpose of the technical problem of waste chalk.
Realize that preferred plan of the present utility model is is material with the steel plate, utilize the basic equipment of iron and steel factory, take to produce by batch in a large number,, so just can realize the practical value and the economic worth of novel chalk casing of the present utility model better with the demand of supply educational circles.
Claims (2)
1. novel chalk casing, it is to be made of gripping sleeve (1), chalk sleeve (2), chalk (3), groove (4), small rubber piece (5), groove (6), the inner surface position socket of its gripping sleeve (1) is installed in the outer surface position of chalk sleeve (2), it is characterized in that: the bottom position of statuette blob of viscose (5) is pasted the inner surface position that is installed in chalk sleeve (2), and the outer surface position of chalk (3) is inserted in the inner surface position of chalk sleeve (2).
2. novel chalk casing according to claim 1 is characterized in that the outer surface position of groove (4) is pasted the right positions that is connected gripping sleeve (1), and the outer surface position of groove (6) is pasted the leftward position that is installed in gripping sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292783 CN2589211Y (en) | 2002-12-31 | 2002-12-31 | Novel chalk holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292783 CN2589211Y (en) | 2002-12-31 | 2002-12-31 | Novel chalk holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2589211Y true CN2589211Y (en) | 2003-12-03 |
Family
ID=33750976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02292783 Expired - Fee Related CN2589211Y (en) | 2002-12-31 | 2002-12-31 | Novel chalk holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2589211Y (en) |
-
2002
- 2002-12-31 CN CN 02292783 patent/CN2589211Y/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: Wang Lewei 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 |