CN203358129U - Blackboard with rulers - Google Patents
Blackboard with rulers Download PDFInfo
- Publication number
- CN203358129U CN203358129U CN 201320460028 CN201320460028U CN203358129U CN 203358129 U CN203358129 U CN 203358129U CN 201320460028 CN201320460028 CN 201320460028 CN 201320460028 U CN201320460028 U CN 201320460028U CN 203358129 U CN203358129 U CN 203358129U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- chi
- ruler
- protractor
- rulers
- 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 blackboard with rulers. The blackboard with the rulers comprises a blackboard body, wherein the upper end and the lower end of the blackboard body are provided with sliding rails which are internally provided with rollers; the rollers are connected with a vertical ruler so as to drive the vertical ruler to move left and right on the surface of the blackboard body; the middle part of the vertical ruler is provided with a through hole which is internally provided with a rotary knob, and the vertical ruler, a horizontal ruler and a protractor are connected together through a fastening element; the horizontal ruler and the protractor can move up and down along with the fastening element; the top of the fastening element is provided with a rotary knob; the sliding rails on the upper side and the lower side of the blackboard body are internally provided with the rollers, and the rollers and a seat are connected in a sliding mode, so that the seat can move linearly within the range of the sliding rails; the rulers are convenient to regulate, and the blackboard with the rulers have the characteristic of convenience in moving and using.
Description
Technical field
The utility model relates to a kind of blackboard, particularly a kind of blackboard with ruler.
Background technology
The blackboard that current domestic associated production manufacturer produces, majority tends to blackboard and ruler separate design, not contact between the two, do not form an integral body, make when setting-out and require a great deal of time, wasted the plenty of time in classroom, especially when drawing horizontal and vertical lines, need adjustment repeatedly, need two hands to press the direction that ruler carrys out alternative line simultaneously simultaneously, can't draw drawn lines accurate angle, need again to free hand to delineate lines when drawing, increase work difficulty.The method of taking in most of universities and colleges at home, usually additional function seldom, function movably particularly.The common every picture of picture person for a moment, all can utilize mode and the picture of drawing back to produce a kind of distance, removes to observe the whole structure of own picture, also can go carefully to delineate details very close to picture.So whole action all is the unlimited adjustment for distance.And existing product is not considered this point.Make the user in use, always in the action that constantly repeats oneself, efficiency in the sense of fatigue that has virtually increased the weight of the user also reduces simultaneously.
Summary of the invention
In order to overcome the deficiency of above-mentioned existing capability technology, be to provide a kind of blackboard with ruler order of the present utility model, can reduce the sense of fatigue that the user moves, there are mobile convenient, easy to use characteristics.
To achieve these goals, the technical solution adopted in the utility model is: a kind of blackboard with ruler, include blackboard, the upper and lower two ends of blackboard are provided with dragging track, be provided with roller in dragging track, roller is connected with vertical chi, driving vertical chi moves left and right on the surface of blackboard, middle part at vertical chi is provided with through hole, be provided with knob in through hole, and by securing member by vertical chi, chi and protractor link together anyhow, chi and protractor can move up and down along with securing member anyhow, the securing member top is provided with knob.
Described dragging track is elongate recesses, makes the vertical chi can transverse shifting.
Described roller is by the fixture dragging track of fixedly packing into.
Described vertical chi is provided with elongated through-holes, makes chi anyhow to move up and down.
Described vertical chi with anyhow between chi, by securing member, be connected.
The bottom of described protractor is provided with angular marking.
The utlity model has following advantage:
Be provided with roller in the dragging track of the utility model due to the both sides up and down at blackboard, be connected with seat slide by roller, make seat can in the slide rail scope, carry out traveling priority; Make the convenient adjusting of ruler, there are mobile convenient, easy to use characteristics.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation.
The partial enlarged drawing that Fig. 2 is Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, structural principle of the present utility model and operation principle are described in further detail.
Referring to Fig. 1,2, a kind of blackboard with ruler, include blackboard 1, blackboard is provided with dragging track 4 in two ends Shang Xia 1, be provided with roller 5 in dragging track 4, roller 5 is connected with vertical chi 2, driving vertical chi 2 moves left and right on the surface of blackboard 1, middle part at vertical chi 2 is provided with through hole 6, be provided with securing member 7 in through hole 6, and by securing member 7 by vertical chi 2, chi 3 and protractor 9 link together anyhow, chi 3 and protractor 9 can move up and down along with securing member 7 anyhow, securing member 7 tops are provided with knob 8, in the bottom of knob 8, are provided with angular marking.
Described dragging track 4 is elongate recesses, makes the vertical chi 2 can transverse shifting.
Described roller 5 is fixedly packed into by fixture in dragging track.
Described vertical chi is provided with elongated through-holes, makes chi anyhow to move up and down.
Described vertical chi with anyhow between chi, by securing member, be connected, be used for guaranteeing the stability of setting-out.
Described protractor 9 is provided with angular marking can clear and definite drawn lines angle problem.
Operation principle of the present utility model is:
Utilize the roller 5 on dragging track 4 and vertical chi 2 to play support and fixing vertical chi 2 and chi 3 effects anyhow, also as the restriction of moving range and exist, roller 5 is mainly used to support vertical chi 2 to slide, in sliding process, reduce friction, chi 3 is fixedly guaranteed to slide by securing member 7 anyhow, and chi 3 can be more according to angular marking 9 setting-out sections anyhow simultaneously.
Claims (4)
1. the blackboard with ruler, include blackboard (1), it is characterized in that, the upper and lower two ends of blackboard (1) are provided with dragging track (4), be provided with roller (5) in dragging track (4), roller (5) is connected with vertical chi (2), driving vertical chi (2) moves left and right on the surface of blackboard (1), middle part at vertical chi (2) is provided with through hole (6), be provided with securing member (7) in through hole (6), and pass through securing member (7) by vertical chi (2), anyhow chi (3) and protractor (9) link together, anyhow chi (3) and protractor (9) can move up and down along with securing member (7), securing member (7) top is provided with knob (8).
2. a kind of blackboard with ruler according to claim 1, is characterized in that, described dragging track (4) is elongate recesses.
3. a kind of blackboard with ruler according to claim 1, is characterized in that, described roller (5) is fixedly packed into by fixture in dragging track (4).
4. a kind of blackboard with ruler according to claim 1, is characterized in that, described protractor (9) is provided with angular marking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320460028 CN203358129U (en) | 2013-07-31 | 2013-07-31 | Blackboard with rulers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320460028 CN203358129U (en) | 2013-07-31 | 2013-07-31 | Blackboard with rulers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203358129U true CN203358129U (en) | 2013-12-25 |
Family
ID=49805944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320460028 Expired - Fee Related CN203358129U (en) | 2013-07-31 | 2013-07-31 | Blackboard with rulers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203358129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959159A (en) * | 2020-08-17 | 2020-11-20 | 莱芜职业技术学院 | Improved mathematics teaching aid |
-
2013
- 2013-07-31 CN CN 201320460028 patent/CN203358129U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959159A (en) * | 2020-08-17 | 2020-11-20 | 莱芜职业技术学院 | Improved mathematics teaching aid |
| CN111959159B (en) * | 2020-08-17 | 2021-12-10 | 莱芜职业技术学院 | Improved mathematics teaching aid |
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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: 20131225 Termination date: 20140731 |
|
| EXPY | Termination of patent right or utility model |