CN2184571Y - Adjustable pencil type compasses - Google Patents
Adjustable pencil type compasses Download PDFInfo
- Publication number
- CN2184571Y CN2184571Y CN 94208620 CN94208620U CN2184571Y CN 2184571 Y CN2184571 Y CN 2184571Y CN 94208620 CN94208620 CN 94208620 CN 94208620 U CN94208620 U CN 94208620U CN 2184571 Y CN2184571 Y CN 2184571Y
- Authority
- CN
- China
- Prior art keywords
- lead
- retractable pencil
- frame
- cap
- compasses
- 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 pair of propelling pencil type compasses, comprising a compass frame, a fulcrum frame, and a lead frame. The lead frame is composed of a spring, a copper sleeve, a plastic sleeve, a lead sleeve, a lead, a hollow connecting rod, a lead cap, and a rubber band. The lead cap is pushed up to return a primary position, and the lead can be adjusted to a certain length and fixed through the hollow connecting rod, the lead sleeve, the lead cap, and the central position of the rubber band. The utility model is suitable for the occasions of learning and drawing, having the advantages of simple lead replacing, and convenient use.
Description
The utility model belongs to compasses, and especially propelling pencil formula compasses are applicable to study and the occasion of charting.
Before the utility model is made, the compasses of prior art mainly are made up of compasses frame, fulcrum frame, lead core cover, lead for retractable pencil cap and lead for retractable pencil, and lead for retractable pencil one end is arranged in the lead core cover, the lead for retractable pencil cap sleeve is in the lead core cover outside, be used for fixing lead for retractable pencil, in study and drawing course, lead for retractable pencil weares and teares or fractures, need back out the lead for retractable pencil cap, reappose and fixing lead for retractable pencil, it is loaded down with trivial details to change lead for retractable pencil, uses very inconvenient in study and the drawing.
Task of the present utility model is to overcome the deficiencies in the prior art, and a kind of lead for retractable pencil propelling pencil formula compasses simple, easy to use of changing are provided.
Propelling pencil formula compasses, include compasses frame (1), fulcrum frame (2), lead for retractable pencil frame (3), fulcrum frame (2) is fixed in the bracket groove of compasses frame (1) by screw, lead for retractable pencil frame (3) is arranged in another bracket groove of compasses frame (1), lead for retractable pencil frame (3) is mainly by hollow connecting rod (4), spring (5), lead core cover (6), copper sheathing (7), plastic sheath (8), lead for retractable pencil cap (9), lead for retractable pencil (10), elastic tape (11) is formed, copper sheathing (7) is enclosed within lead core cover (6) lower end, spring (5) is enclosed within lead core cover (6) upper end, plastic sheath (8) is enclosed within spring (5) outside, plastic sheath (8) one ends cooperate with copper sheathing (7), lead for retractable pencil cap (9) is arranged on plastic sheath (8) lower end, lead for retractable pencil cap (9) is enclosed within plastic sheath (8) lower end and copper sheathing (7) outside, elastic tape (11) is arranged on lead for retractable pencil cap (9) interior lower end, hollow connecting rod (4) is connected with lead core cover (6), and lead for retractable pencil (10) is by hollow connecting rod (4), lead core cover (6), the center of lead for retractable pencil cap (9) and elastic tape (11).
The utility model compared with prior art, and is relatively simple for structure, and the replacing lead for retractable pencil is simple, and only lead for retractable pencil cap (9) need be made progress promotes, and replacing is additional, extremely easy to use automatically to be arranged on the interior lead for retractable pencil of plastic sheath (8), has bigger practical value.
Fig. 1 is propelling pencil formula compasses structural representations.
1-compasses frame wherein, 2-fulcrum frame, 3-lead for retractable pencil frame.
Fig. 2 is lead for retractable pencil frame (a 3) structural representation.
The hollow connecting rod of 4-wherein, 5-spring, 6-lead core cover, 7-copper sheathing, 8-plastic sheath, 9-lead for retractable pencil cap, 10-lead for retractable pencil, 11-elastic tape.
Operation principle of the present utility model and embodiment are: include compasses frame (1), the propelling pencil formula compasses of fulcrum frame (2) lead for retractable pencil frame (3), fulcrum frame (2) is fixed in another bracket groove of compasses frame (1) by screw, lead for retractable pencil frame (3) is mainly by hollow connecting rod (4), spring (5), lead core cover (6), copper sheathing (7), plastic sheath (8), lead for retractable pencil cap (9), lead for retractable pencil (10), elastic tape (11) is formed, copper sheathing (7) is enclosed within lead core cover (6) lower end, spring (5) is enclosed within lead core cover (6) upper end, plastic sheath (8) is enclosed within spring (5) outside, plastic sheath (8) one ends cooperate with copper sheathing (7), lead for retractable pencil cap (9) is arranged on plastic sheath (8) lower end, lead for retractable pencil cap (9) is enclosed within plastic sheath (8) lower end and copper sheathing (7) outside, elastic tape (11) is arranged on lead for retractable pencil cap (9) interior lower end, hollow connecting rod (4) is connected with lead core cover (6), lead for retractable pencil (10) is by hollow connecting rod (4), lead core cover (6), the center of lead for retractable pencil cap (9) and elastic tape (11), when lead for retractable pencil weares and teares or fractures, as long as lead for retractable pencil cap (9) is upwards promoted, the lead for retractable pencil (10) that is arranged on this moment in hollow connecting rod (4) or lead core cover (6) center passes through lead core cover (6), the center of lead for retractable pencil cap (9) and elastic tape (11) is adjusted to certain-length, unclamp lead for retractable pencil cap (9) then and return to the origin-location, lead for retractable pencil is fixed, be specially adapted to study and drawing, the replacing lead for retractable pencil is simple, very convenient in the use, have bigger implementary value and economic results in society.
Claims (1)
1, propelling pencil formula compasses, include compasses frame (1), fulcrum frame (2), lead for retractable pencil frame (3), fulcrum frame (2) is fixed in the bracket groove of compasses frame (1) by screw, lead for retractable pencil frame (3) is arranged in another bracket groove of compasses frame (1), it is characterized in that lead for retractable pencil frame (3) is mainly by hollow connecting rod (4), spring (5), lead core cover (6), copper sheathing (7), plastic sheath (8), lead for retractable pencil cap (9), lead for retractable pencil (10), elastic tape (11) is formed, copper sheathing (7) is enclosed within lead core cover (6) lower end, spring (5) is enclosed within lead core cover (6) upper end, plastic sheath (8) is enclosed within spring (5) outside, plastic sheath (8) one ends cooperate with copper sheathing (7), lead for retractable pencil cap (9) is arranged on plastic sheath (8) lower end, lead for retractable pencil cap (9) is enclosed within plastic sheath (8) lower end and copper sheathing (7) outside, elastic tape (11) is arranged on lead for retractable pencil cap (9) interior lower end, hollow connecting rod (4) is connected with lead core cover (6), and lead for retractable pencil (10) is by hollow connecting rod (4), lead core cover (6), the center of lead for retractable pencil cap (9) and elastic tape (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94208620 CN2184571Y (en) | 1994-04-07 | 1994-04-07 | Adjustable pencil type compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94208620 CN2184571Y (en) | 1994-04-07 | 1994-04-07 | Adjustable pencil type compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2184571Y true CN2184571Y (en) | 1994-12-07 |
Family
ID=33826579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94208620 Expired - Fee Related CN2184571Y (en) | 1994-04-07 | 1994-04-07 | Adjustable pencil type compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2184571Y (en) |
-
1994
- 1994-04-07 CN CN 94208620 patent/CN2184571Y/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 | ||
| 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 |