CN202944093U - Contact ruler - Google Patents
Contact ruler Download PDFInfo
- Publication number
- CN202944093U CN202944093U CN 201220697784 CN201220697784U CN202944093U CN 202944093 U CN202944093 U CN 202944093U CN 201220697784 CN201220697784 CN 201220697784 CN 201220697784 U CN201220697784 U CN 201220697784U CN 202944093 U CN202944093 U CN 202944093U
- Authority
- CN
- China
- Prior art keywords
- ruler
- block
- paper
- edge
- pencil
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a contact ruler which comprises a ruler body, wherein at least three supporting blocks distributed in a triangular form are arranged on the lower surface of the ruler body; and the bottoms of the supporting blocks are of arched structures. Through the supporting blocks which are distributed in the triangular form on the lower surface of the ruler body, a certain distance is kept between the ruler body and the paper, so that the side face of pencil lead is not scraped by the edge of the ruler when the pencil draws along the edge of the ruler, the edge of the ruler is not stained by the pencil dust, and the paper is not stained when the ruler is used for drawing line or is moved; and the ruler can be lifted when the finger tip is clamped in a clearance between the ruler body and the paper, so that the ruler is more convenient to be lifted.
Description
Technical field
The utility model relates to a kind of schooling apparatus, relates in particular to a kind of ruler.
Background technology
Present ruler comprises ruler, triangle ruler, protractor etc., reverse side during use (lower surface) contact paper, and positive (upper surface) pinned with hand.Use ruler of the prior art to have following deficiency: when 1, using pencil to draw along the edge of ruler, the side of pencil-lead is easily scraped by the edge of ruler, the pencil powder that the scrapes paper of easily making dirty; When 2, drawing, also easily made dirty by the pencil powder in the edge of ruler, in case mobile ruler, the ruler paper of also can making dirty; 3, because the ruler body directly contacts with paper, the user can't directly pick up ruler, and the edge that needs ruler to be moved to desk or drawing board could be picked up ruler, causes ruler to use inconvenient.
The utility model content
For the deficiencies in the prior art part, the utility model provides a kind of paper of making dirty of avoiding, the contact ruler of easily picking up.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
The contact ruler comprises the ruler body, is provided with the back-up block of at least three distributions triangular in shape on the lower surface of ruler body, and the bottom of described back-up block is arc surfaced.
As a kind of preferred version of the present utility model, described back-up block is comprised of the round main body on top and the hemisphere of bottom, described back-up block and this body by integral forming of ruler.
As another kind of preferred version of the present utility model, described ruler body is the triangle ruler, is provided with respectively back-up block at the place, three angles of triangle ruler, at the lower surface of triangle ruler and also be provided with back-up block between the back-up block at side two ends.
As another preferred version of the present utility model, described hemispheroidal radius is 1～4mm.
The beneficial effects of the utility model are: the utility model is provided with the back-up block of at least three distributions triangular in shape on the lower surface of ruler body, make and have certain distance between ruler body and paper, when pencil is drawn along the edge of ruler, the side of pencil-lead can not scraped by the edge of ruler, simultaneously can not made dirty by the pencil powder in the edge of ruler yet, at setting-out or the attachable mechanical stage period of the day from 11 p.m. to 1 a.m paper of can not making dirty; When picking up ruler, the space that finger tip snaps between ruler body and paper just can be picked up ruler, picks up ruler more convenient.
Description of drawings
Fig. 1 is the structural representation of contact ruler;
Fig. 2 is the structural representation that the ruler body coordinates with back-up block.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, the contact ruler comprises ruler body 1, is provided with the back-up block 2 of at least three distributions triangular in shape on the lower surface of ruler body 1, and the bottom of back-up block 2 is arc surfaced.Back-up block 2 is comprised of the round main body 3 on top and the hemisphere 4 of bottom, and back-up block 2 is one-body molded with ruler body 1.In the present embodiment, the radius of hemisphere 4 is 1～4mm.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. the contact ruler, comprise ruler body (1), it is characterized in that: be provided with the back-up block (2) of at least three distributions triangular in shape on the lower surface of ruler body (1), the bottom of described back-up block (2) is arc surfaced.
2. contact according to claim 1 ruler, it is characterized in that: described back-up block (2) is comprised of the round main body (3) on top and the hemisphere (4) of bottom, and described back-up block (2) is one-body molded with ruler body (1).
3. contact according to claim 1 and 2 ruler, it is characterized in that: described ruler body (1) is the triangle ruler, place, three angles at the triangle ruler is provided with respectively back-up block (2), at the lower surface of triangle ruler and be positioned between the back-up block (2) at side two ends and also be provided with back-up block (2).
4. contact according to claim 2 ruler, it is characterized in that: the radius of described hemisphere (4) is 1～4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220697784 CN202944093U (en) | 2012-12-17 | 2012-12-17 | Contact ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220697784 CN202944093U (en) | 2012-12-17 | 2012-12-17 | Contact ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202944093U true CN202944093U (en) | 2013-05-22 |
Family
ID=48419806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220697784 Expired - Fee Related CN202944093U (en) | 2012-12-17 | 2012-12-17 | Contact ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202944093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339478A (en) * | 2020-12-28 | 2021-02-09 | 陕西科技大学 | Ruler suitable for mark pen |
-
2012
- 2012-12-17 CN CN 201220697784 patent/CN202944093U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339478A (en) * | 2020-12-28 | 2021-02-09 | 陕西科技大学 | Ruler suitable for mark pen |
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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: 20130522 Termination date: 20131217 |