CN204340442U - A kind of double wall pen core - Google Patents
A kind of double wall pen core Download PDFInfo
- Publication number
- CN204340442U CN204340442U CN201420527062.3U CN201420527062U CN204340442U CN 204340442 U CN204340442 U CN 204340442U CN 201420527062 U CN201420527062 U CN 201420527062U CN 204340442 U CN204340442 U CN 204340442U
- Authority
- CN
- China
- Prior art keywords
- pen core
- double wall
- core
- utility
- double
- 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
Links
Abstract
The utility model relates to a kind of pen core, particularly a kind of double wall pen core.It comprises reservoir shaft and nib, and described reservoir shaft is double-wall structure, comprises outer core pipe and the inner core tube composition that ink is housed, is seal cavity and carries out vacuumizing process between described outer core pipe and inner core tube.The utility model structure is simple, can prevent the ink in pen core in winter from condensing.
Description
Technical field
The utility model relates to a kind of pen core, particularly a kind of double wall pen core.
Background technology
Existing pen core to cause ink condensation in pen core in winter because temperature is low, often can not there will be any more the phenomenon of water, has a lot of pen core or new just having to discard, which results in and greatly waste.
Utility model content
The utility model, in order to make up the deficiencies in the prior art, provides a kind of double wall pen core.
The utility model is achieved by the following technical solution:
A kind of double wall pen core, comprises reservoir shaft and nib, it is characterized in that: described reservoir shaft is double-wall structure, comprises outer core pipe and the inner core tube composition that ink is housed, is seal cavity and vacuumizes process between described outer core pipe and inner core tube.
Described outer core pipe and inner core tube be spaced apart 1mm.
The utility model structure is simple, can prevent the ink in pen core in winter from condensing.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing is structural representation of the present utility model.
In figure, 1 hairpin body, 2 timer clocks, 3 hair clip lids, 4 rivets, 5 loudspeakers.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises reservoir shaft 1 and nib 2, it is characterized in that: described reservoir shaft 1 is double-wall structure, comprises outer core pipe 3 and forms with the inner core tube 4 that ink is housed, be seal cavity and carry out vacuumizing process between described outer core pipe 3 and inner core tube 4.
Described outer core pipe 3 is spaced apart 1mm with inner core tube 4.
Claims (2)
1. a double wall pen core, comprise reservoir shaft (1) and nib (2), it is characterized in that: described reservoir shaft (1) is double-wall structure, to be made up of outer core pipe (3) and inner core tube (4) that ink is housed, to carry out vacuumizing process for seal cavity between described outer core pipe (3) and inner core tube (4).
2. double wall pen core according to claim 1, is characterized in that: described outer core pipe (3) is spaced apart 1mm with inner core tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527062.3U CN204340442U (en) | 2014-09-15 | 2014-09-15 | A kind of double wall pen core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527062.3U CN204340442U (en) | 2014-09-15 | 2014-09-15 | A kind of double wall pen core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204340442U true CN204340442U (en) | 2015-05-20 |
Family
ID=53223739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420527062.3U Expired - Fee Related CN204340442U (en) | 2014-09-15 | 2014-09-15 | A kind of double wall pen core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204340442U (en) |
-
2014
- 2014-09-15 CN CN201420527062.3U patent/CN204340442U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20150915 |
|
| EXPY | Termination of patent right or utility model |