CN202986458U - Rotary type pencil - Google Patents
Rotary type pencil Download PDFInfo
- Publication number
- CN202986458U CN202986458U CN 201220676098 CN201220676098U CN202986458U CN 202986458 U CN202986458 U CN 202986458U CN 201220676098 CN201220676098 CN 201220676098 CN 201220676098 U CN201220676098 U CN 201220676098U CN 202986458 U CN202986458 U CN 202986458U
- Authority
- CN
- China
- Prior art keywords
- pencil
- pipe
- penholder
- rotary type
- screw bolt
- 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
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model relates to a stationery article for daily use, in particular to a rotary type pencil which comprises a penholder and a pencil core; the rotary type pencil further comprises a screw bolt; the screw rod of the screw bolt is provided with external threads; a push pipe is arranged in the penholder; a through hole is formed in the center of the push pipe; internal threads matched with the external threads are arranged on the inner wall of the through-hole; a guide slot is formed in the inner wall of the penholder; a groove matched with the guide slot is formed in the push pipe; one end of the push pipe is connected with a pencil core pipe; the pencil core is arranged in the pencil core pipe; and anti-slip threads are arranged at the head part of the screw bolt. The rotary type pencil has the advantages that the screw bolt is adopted to match with the push pipe, so that the pencil core in the pencil core pipe can be flexibly stretched out and drew back along the screw bolt, and a finger is not required to touch the pencil core; the structure is simple; and the rotary type pencil is convenient and practical.
Description
Technical field
The utility model relates to a kind of pencil, relates in particular to a kind of rotary pencil, belongs to the stationery field.Background technology
Pencil is the stationery commonly used that people learn to handle official business, the propelling pencil that uses at present is push type, the pen core retraction pressure that need press...with one's finger, refill expansion can not be finely tuned, therefore cause various inconvenience, develop a kind of pencil-lead and be those skilled in the art's good problems to study to the pencil that lead for retractable pencil is finely tuned of can stretching flexibly.
The utility model content
The problem that the utility model need to solve is to provide a kind of pencil-lead and lead for retractable pencil is carried out of can stretching flexibly
The rotary pencil of fine setting.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of rotary pencil, comprise penholder and pencil-lead, described rotary pencil also comprises bolt, and the screw rod of described bolt is provided with external screw thread, is provided with in described penholder to push pipe, described propelling movement tube hub is through hole, the inwall of through hole is provided with the internal thread that coordinates with external screw thread, and described penholder inwall is provided with guide groove, and described propelling movement pipe is provided with the groove that coordinates with it, described propelling movement Guan Yiduan is connected with pen core tube, and described pencil-lead is located in pen core tube.
As preferably, the head of described bolt is provided with antiskid thread.
According to the technical solution of the utility model, adopt bolt and push pipe and coordinates, make the interior pencil-lead of core pipe to stretch flexibly with the rotation of bolt, and point and need not to touch pen core, this utility model is simple in structure, and is convenient and practical.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is penholder cross-sectional structure schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
embodiment such as Fig. 1, shown in Figure 2, a kind of rotary pencil, comprise penholder 1 and pencil-lead 3, described rotary pencil also comprises bolt 2, the screw rod 21 of described bolt 2 is provided with external screw thread 211, be provided with in described penholder 1 and push pipe 4, described propelling movement pipe 4 centers are through hole 41, the inwall of through hole 41 is provided with the internal thread 42 that coordinates with external screw thread 211, described penholder 1 inwall is provided with guide groove 11, described propelling movement pipe 4 is provided with the groove 42 that coordinates with it, described propelling movement pipe 4 one ends are connected with pen core tube 43, described pencil-lead 3 is located in pen core tube 43, the head of described bolt 2 is provided with antiskid thread.
In a word, the above is only preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (2)
1. rotary pencil, comprise penholder (1) and pencil-lead (3), it is characterized in that: described rotary pencil also comprises bolt (2), the screw rod (21) of described bolt (2) is provided with external screw thread (211), be provided with in described penholder (1) and push pipe (4), described propelling movement pipe (4) center is through hole (41), the inwall of through hole (41) is provided with the internal thread (42) that coordinates with external screw thread (211), described penholder (1) inwall is provided with guide groove (11), described propelling movement pipe (4) is provided with the groove (42) that coordinates with it, described propelling movement pipe (4) one ends are connected with pen core tube (43), described pencil-lead (3) is located in pen core tube (43).
2. rotary pencil according to claim 1, it is characterized in that: the head of described bolt (2) is provided with antiskid thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676098 CN202986458U (en) | 2012-12-05 | 2012-12-05 | Rotary type pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676098 CN202986458U (en) | 2012-12-05 | 2012-12-05 | Rotary type pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202986458U true CN202986458U (en) | 2013-06-12 |
Family
ID=48557670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220676098 Expired - Fee Related CN202986458U (en) | 2012-12-05 | 2012-12-05 | Rotary type pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202986458U (en) |
-
2012
- 2012-12-05 CN CN 201220676098 patent/CN202986458U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131205 |