CN204055071U - Compasses with rotatable pencil core head - Google Patents
Compasses with rotatable pencil core head Download PDFInfo
- Publication number
- CN204055071U CN204055071U CN201420369323.3U CN201420369323U CN204055071U CN 204055071 U CN204055071 U CN 204055071U CN 201420369323 U CN201420369323 U CN 201420369323U CN 204055071 U CN204055071 U CN 204055071U
- Authority
- CN
- China
- Prior art keywords
- compasses
- pen core
- rotating disk
- pencil
- supporting leg
- 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 discloses a kind of compasses with rotatable pencil core head, comprise pen core supporting leg and compasses apical branch leg, pen core supporting leg end is provided with rotating disk, and inside is provided with spring and projection; Rotating disk upper end is provided with rotating shaft, and lower end is provided with pen core cylinder; Rotating shaft is connected pen core cylinder by connecting rod with pen core supporting leg three, and side is provided with tightens screw rod, and lower end is provided with two pencil-leads and a compasses pin; Compasses apical branch leg side is provided with elastic tape; Elastic tape has mesh bag.The utility model is by the rotation of rotating disk, and the pencil-lead that can realize different thicknesses is drawn, simple to operate, promote picture efficiency, rubber can be put into mesh bag simultaneously, prevent the loss of rubber, rotating disk is provided with a compasses point, makes compasses can also work as divider and use.
Description
Technical field
The utility model relates to a kind of daily study article, especially a kind of compasses with rotatable pencil core head.
Background technology
When Graphing of Engineering, often need with compasses or point programming circle or circular arc, and drawn line segment has dividing of thickness, traditional compasses only have a pen core, it is cumbersome for drawing the different circular arc of thickness, if and need to use divider, compasses and divider must change and use like that, reduce picture efficiency, also often need in picture to use rubber, the rubber that we use is too little, often easily drops to the ground and makes dirty or lose, and giving draws also makes troubles.
A kind of compasses of rotatable replacing pen core are disclosed in Chinese utility model patent description CN201951089U, it is provided with connecting rod in the end of a compasses bar of compasses body, and connected by rotating shaft, one end of connecting rod is provided with pen core head, the other end is provided with rubber, realizes freely switching of pen core head and rubber by axis of rotation.But its pen core is only provided with one, for the circular arc needing picture different thicknesses, do not have effect, and its pen core axis and compasses body are not on same axis, pen core head easily breaks, although can prevent rubber from losing, but rubber is thinner, not only easily break but also wear down very fast, and then needing to change rubber frequently, also result in inconvenience.
Utility model content
(1) goal of the invention
In order to overcome the deficiency of existing product, the utility model provides a kind of compasses with rotatable pencil core head, its object is to solve common compasses and can not draw the problem that the different circular arc of thickness and rubber easily lose, when also solving picture, change the inconvenience that compasses and divider cause simultaneously.
(2) technical scheme
The utility model is a kind of compasses of rotatable replacing pen core, comprises pen core supporting leg and compasses apical branch leg, it is characterized in that: described pen core supporting leg end is provided with rotating disk, and inside is provided with spring and projection; Described rotating disk upper end is provided with rotating shaft, and lower end is provided with pen core cylinder; Described rotating shaft is connected with pen core supporting leg by connecting rod; Described pen core cylinder has three, and side is provided with tightens screw rod, and lower end is provided with two pencil-leads and a compasses pin; Described compasses apical branch leg side is provided with elastic tape; Described elastic tape has mesh bag.
Further, described bump size is just to coordinate with rotating disk upper surface circular groove for good.
Further, described rotating disk upper surface is provided with circular groove, and axle center is coaxial with pen core cylinder axle center.
Described pencil-lead has two, and end thickness is different.
(3) beneficial effect
The beneficial effects of the utility model are: by the rotation of rotating disk, the pencil-lead that can realize different thicknesses is drawn, simple to operate, promote picture efficiency, rubber can be put into mesh bag simultaneously, prevent the loss of rubber, rotating disk is provided with a compasses point, make compasses can also work as divider and use.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model partial sectional view
Detailed description of the invention
As shown in Figure 1 and Figure 2, a kind of compasses with rotatable pencil core head, comprise pen core supporting leg (1) and compasses apical branch leg (2), described pen core supporting leg (1) end is provided with rotating disk (3), and inside is provided with spring (11) and projection (12); Described rotating disk (3) upper end is provided with rotating shaft (4), and lower end is provided with pen core cylinder (5); Described rotating shaft (4) is connected and fixed by connecting rod (6) and pen core supporting leg (1); Described pen core cylinder (5) has three, and side is provided with tightens screw rod (7), and lower end is provided with two pencil-leads (8) and a compasses pin (13); Described compasses apical branch leg (2) side is provided with elastic tape (9); Described elastic tape (9) has mesh bag (10).
Wherein, described projection (12) size is just to coordinate for good with rotating disk (3) upper surface circular groove, thus coordinate with circular groove, when needing pencil-lead (8) or compasses pin (13) using which kind of fineness, rotate rotating disk (3) by pen core supporting leg (1) lower end round boss shift-in and this pencil-lead (8) or the coaxial groove of compasses pin (13), due to rubbing action, the sound can be sent, user just knows after hearing sound that convex fast (12) have forwarded groove completely to and suffered, when compasses pin (13) being turned to desired location, now compasses can work as divider use, described rotating disk (3) upper surface is provided with circular groove, and axle center is coaxial with pen core cylinder (5) axle center, and rotating disk (3) around the shaft (4) rotates, describedly to use when tightening screw rod (7) for changing pencil-lead (8) or compasses pin (13), described pencil-lead (8) has two, and end thickness is different, thus realizes the object that compasses can draw different thicknesses circular arc, place rubber in described mesh bag (10), mesh bag (10) mouth is provided with elastic tape (9), described elastic tape (9) is for contraction-like, namely mesh bag (10) mouth is in closed, when needs use inner rubber, strut elastic tape (9) with finger and can take out rubber use in mesh bag (10), after hand unclamps, elastic tape (9) is in contraction-like again.
Embodiment recited above is only be described preferred embodiment of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that this area ordinary person makes the technical solution of the utility model and improvement; protection domain of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (3)
1. a compasses with rotatable pencil core head, comprise pen core supporting leg (1) and compasses apical branch leg (2), described pen core supporting leg (1) end is provided with rotating disk (3), and inside is provided with spring (11) and projection (12); Described rotating disk (3) upper end is provided with rotating shaft (4), and lower end is provided with pen core cylinder (5); Described rotating shaft (4) is connected and fixed by connecting rod (6) and pen core supporting leg (1); Described pen core cylinder (5) has three, and side is provided with tightens screw rod (7), and lower end is provided with two pencil-leads (8) and a compasses pin (13); Described compasses apical branch leg (2) side is provided with elastic tape (9); Described elastic tape (9) has mesh bag (10).
2. compasses with rotatable pencil core head according to claim 1, is characterized in that: described projection (12) size is just to coordinate with rotating disk (3) upper surface circular groove.
3. compasses with rotatable pencil core head according to claim 1 and 2, is characterized in that: described rotating disk (3) upper surface is provided with circular groove, and axle center is coaxial with pen core cylinder (5) axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420369323.3U CN204055071U (en) | 2014-07-03 | 2014-07-03 | Compasses with rotatable pencil core head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420369323.3U CN204055071U (en) | 2014-07-03 | 2014-07-03 | Compasses with rotatable pencil core head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204055071U true CN204055071U (en) | 2014-12-31 |
Family
ID=52196646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420369323.3U Expired - Fee Related CN204055071U (en) | 2014-07-03 | 2014-07-03 | Compasses with rotatable pencil core head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204055071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962495A (en) * | 2019-12-30 | 2020-04-07 | 白睿初 | Compasses |
-
2014
- 2014-07-03 CN CN201420369323.3U patent/CN204055071U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962495A (en) * | 2019-12-30 | 2020-04-07 | 白睿初 | Compasses |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170703 |