CN203438709U - Adjustable short pencil extension bar - Google Patents
Adjustable short pencil extension bar Download PDFInfo
- Publication number
- CN203438709U CN203438709U CN201320502769.4U CN201320502769U CN203438709U CN 203438709 U CN203438709 U CN 203438709U CN 201320502769 U CN201320502769 U CN 201320502769U CN 203438709 U CN203438709 U CN 203438709U
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- CN
- China
- Prior art keywords
- short pencil
- extension bar
- rod
- adjustable short
- adjustable
- 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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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model relates to the stationery field, and the object of the utility model is to provide an adjustable short pencil extension bar. The adjustable short pencil extension bar comprises a bar body provided with a pencil point outlet in the front end, a sliding pressing block disposed in the bar body, and an adjusting cap connected with the rear end of the bar body in a threaded manner. The front end of the adjusting cap is provided with a pressing block pushing rod. When the adjustable short pencil extension bar is in use, a short pencil can be disposed in the bar body, the short pencil point is extended out of the pencil point outlet, and the adjusting cap can be screwed, and the pressing block pushing bar can be used to push the sliding pressing block to press the rear end of the short pencil. The adjustable short pencil extension bar can be used to continue the use of the short pencil.
Description
Technical field
The utility model relates to stationery field, especially a kind of adjustable short pencil extension bar.
Background technology
Pencil is used certain length to be become after short pencil, exists owing to being affectedly bashful and is inconvenient to be difficult to continue to use wasting deficiency, therefore, designs a kind of short pencil that makes and can continue the adjustable short pencil extension bar using, and becomes problem demanding prompt solution.
Utility model content
The purpose of this utility model is to use certain length and become after short pencil in order to overcome current pencil, exists owing to being affectedly bashful and is inconvenient to be difficult to continue to use wasting deficiency, and a kind of adjustable short pencil extension bar that makes short pencil can continue use is provided.
Concrete technical scheme of the present utility model is:
A short pencil extension bar, comprises that front end is provided with the adjustment cap that the written body of rod, the wiper block that is arranged in the body of rod, the front end exporting is provided with briquetting push rod and is threaded with the rear end of the body of rod.During short pencil extension bar use that this is adjustable, short pencil is put into the body of rod, short pencil head stretches out outside nib outlet, precession adjustment cap, and briquetting push rod promotes the rear end that wiper block is pushed down short pencil.This is adjustable, and short pencil extension bar makes short pencil can continue to use.
As preferably, the described body of rod comprises the main cylinder that is provided with the main aperture that internal diameter mates with the external diameter of wiper block and the front tapered sleeve that is provided with frustum hole; Removable being connected of front end of the large end of front tapered sleeve and main cylinder; Nib outlet is positioned at the small end in frustum hole.Short pencil is firmly fixing and mounting or dismounting are convenient.
As preferably, the rear end of described wiper block is provided with the counterbore that mate with the diameter of briquetting push rod in aperture.It is effective that briquetting push rod promotes wiper block.
As preferably, the front end of described briquetting push rod is provided with the front spherical crown surface that is highly less than the counterbore degree of depth.Briquetting push rod contacts with wiper block.
As preferably, the rear end of described adjustment cap is provided with rear spherical crown surface.The hand holding a pen can not scratch.
Compared with prior art, the beneficial effects of the utility model are: this is adjustable, and short pencil extension bar makes short pencil can continue to use.The body of rod comprises main cylinder and front tapered sleeve, and short pencil is firmly fixing and mounting or dismounting are convenient.The rear end of wiper block is provided with counterbore, and the front end of briquetting push rod is provided with front spherical crown surface, and briquetting push rod contacts with wiper block and to promote wiper block effective.The rear end of adjustment cap is provided with rear spherical crown surface, and the hand holding a pen can not scratch.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
In figure: the body of rod-1, nib outlet-11, main aperture-12, main cylinder-13, frustum hole-14, front tapered sleeve-15, wiper block-2, counterbore-21, adjustment cap-3, briquetting push rod-31, front spherical crown surface-32, rear spherical crown surface-33, short pencil-4.
The specific embodiment
Below in conjunction with shown in accompanying drawing, the utility model is described further.
As shown in Figure 1: a kind of adjustable short pencil extension bar, comprises that front end has the body of rod 1 of nib outlet 11, is arranged in the adjustment cap 3 that wiper block 2, the front end of the body of rod 1 have briquetting push rod 31 and be threaded with the rear end of the body of rod 1.
The described body of rod 1 comprises the main cylinder 13 with the main aperture 12 that internal diameter coordinates with the crest clearance of wiper block 2 and the front tapered sleeve 15 with frustum hole 14; The large end of front tapered sleeve 15 is threaded with the front end of main cylinder 13; Nib outlet 11 is positioned at the small end in frustum hole 14.
The rear end of described wiper block 2 has the counterbore 21 that aperture coordinates with the diametric clearance of briquetting push rod 31.
The front end of described briquetting push rod 31 has the front spherical crown surface 32 that is highly less than counterbore 21 degree of depth.
The rear end of described adjustment cap 3 has rear spherical crown surface 33.
During short pencil extension bar use that this is adjustable, short pencil 4 is put into the body of rod 1, short pencil head stretches out outside nib outlet 11, precession adjustment cap 3, and briquetting push rod 31 promotes the rear end that wiper blocks 2 are pushed down short pencil 4.
The beneficial effects of the utility model are: this is adjustable, and short pencil extension bar makes short pencil can continue to use.The body of rod comprises main cylinder and front tapered sleeve, and short pencil is firmly fixing and mounting or dismounting are convenient.The rear end of wiper block is provided with counterbore, and the front end of briquetting push rod is provided with front spherical crown surface, and briquetting push rod contacts with wiper block and to promote wiper block effective.The rear end of adjustment cap is provided with rear spherical crown surface, and the hand holding a pen can not scratch.
It is apparent to one skilled in the art that the utility model can be changed into various ways, and such change is not thought and departed from scope of the present utility model.All so apparent modifications of the technical staff to described field, within being included in the scope of this claim.
Claims (5)
1. an adjustable short pencil extension bar, is characterized in that, comprises that front end is provided with the adjustment cap that the written body of rod, the wiper block that is arranged in the body of rod, the front end exporting is provided with briquetting push rod and is threaded with the rear end of the body of rod.
2. adjustable short pencil extension bar according to claim 1, is characterized in that: the described body of rod comprises the main cylinder that is provided with the main aperture that internal diameter mates with the external diameter of wiper block and the front tapered sleeve that is provided with frustum hole; Removable being connected of front end of the large end of front tapered sleeve and main cylinder; Nib outlet is positioned at the small end in frustum hole.
3. adjustable short pencil extension bar according to claim 1 and 2, is characterized in that: the rear end of described wiper block is provided with the counterbore that mate with the diameter of briquetting push rod in aperture.
4. adjustable short pencil extension bar according to claim 3, is characterized in that: the front end of described briquetting push rod is provided with the front spherical crown surface that is highly less than the counterbore degree of depth.
5. adjustable short pencil extension bar according to claim 1 and 2, is characterized in that: the rear end of described adjustment cap is provided with rear spherical crown surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320502769.4U CN203438709U (en) | 2013-08-16 | 2013-08-16 | Adjustable short pencil extension bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320502769.4U CN203438709U (en) | 2013-08-16 | 2013-08-16 | Adjustable short pencil extension bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438709U true CN203438709U (en) | 2014-02-19 |
Family
ID=50089783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320502769.4U Expired - Fee Related CN203438709U (en) | 2013-08-16 | 2013-08-16 | Adjustable short pencil extension bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438709U (en) |
-
2013
- 2013-08-16 CN CN201320502769.4U patent/CN203438709U/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: 20140219 Termination date: 20140816 |
|
| EXPY | Termination of patent right or utility model |