CN215921715U

CN215921715U - Adjustable drawing rule for daily teaching

Info

Publication number: CN215921715U
Application number: CN202122440927.5U
Authority: CN
Inventors: 武天佑
Original assignee: Guangdong Ocean University
Current assignee: Guangdong Ocean University
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-01
Anticipated expiration: 2031-10-11

Abstract

The utility model provides an adjustable drawing rule for daily teaching, and relates to the field of equipment for teaching. This adjustable drawing rule is used in daily teaching, including first fixed ruler and second fixed ruler, be equipped with the rotor plate between first fixed ruler and the second fixed ruler, be equipped with adjusting part between rotor plate and the first fixed ruler, second fixed ruler bottom fixedly connected with gag lever post, the gag lever post outside cover be equipped with the sliding block and with sliding block sliding connection, the sliding block rotates with the rotor plate to be connected. This adjustable drawing rule is used in daily teaching carries on spacingly through fixed connection's telescopic link between first fixed ruler and the second fixed ruler simultaneously, makes the rotor plate promote the second fixed ruler and carries out the rebound, and the teaching personnel of being convenient for draw horizontal line, has avoided the duplicate movement setting-out, and the simple operation makes the tape measure prolong along with the removal of second fixed ruler simultaneously, confirms the distance between first fixed ruler and the second fixed ruler fast.

Description

Adjustable drawing rule for daily teaching

Technical Field

The utility model relates to a teaching equipment technology, in particular to an adjustable drawing rule for daily teaching, and belongs to the technical field of adjustable drawing rules.

Background

Along with the gradual improvement of economic level and the rapid development of times, the indispensable subject of contemporary students of mathematics has higher and higher attention to the education industry, more and more varieties are used for learning in the education industry on the market, the styles are various, and drawing tools for mathematics are taken as an example and are mainly used for drawing geometric figures, and the drawing tools sold on the market at present have various varieties.

But there are more or less problems affecting the learning and use of students; when teachers teach, drawing rules are needed; present multi-functional drawing rule, when using, the parallel lines of drawing that can not be fine, mr need remove the ruler many times to drawing to parallel lines has caused the extravagant a large amount of times of teaching in-process, and the influence mr uses, is not convenient for measure simultaneously to longer line segment, needs to remove the ruler and further measures, when the ruler removes, makes easily and leads to measuring and drawing the deviation that appears, and the length of ruler can't be adjusted.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide an adjustable drawing rule for daily teaching in order to solve the problems, so that the drawing rule is required to be used when teachers and teachers teach in the prior art; present multi-functional drawing rule, when using, the parallel lines of drawing that can not be fine, mr need remove the ruler many times to drawing to parallel lines has caused the extravagant a large amount of times of teaching in-process, and the influence mr uses, is not convenient for measure simultaneously to longer line segment, needs to remove the ruler and further measures, when the ruler removes, makes easily and leads to measuring and drawing the deviation that appears, and the length of ruler can't carry out the problem of adjusting.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: adjustable drawing rule is used in daily teaching, including first fixed ruler and second fixed ruler, be equipped with the rotor plate between first fixed ruler and the second fixed ruler, be equipped with adjusting part between rotor plate and the first fixed ruler, second fixed ruler bottom fixedly connected with gag lever post, gag lever post outside cover be equipped with the sliding block and with sliding block sliding connection, the sliding block rotates with the rotor plate to be connected, the inside rack that is equipped with of second fixed ruler.

Preferably, the adjusting part includes the dwang, the dwang runs through first fixed ruler and rotates with first fixed ruler to be connected, dwang and rotor plate fixed connection, dwang outside fixedly connected with worm wheel, rotor plate and worm wheel set up inside first fixed ruler, rotate through the dwang and drive the rotor plate and rotate to remove to the second fixed ruler and adjust.

Preferably, the adjusting component further comprises a worm, the worm is meshed with the worm wheel and connected with the first fixing ruler in a penetrating mode, the worm is meshed with the worm wheel and connected with the first fixing ruler in a rotating mode, and a locking effect is achieved when the worm is meshed with the worm wheel, so that the rotating plate can keep stable after pushing the second fixing ruler to ascend, and deviation and shaking during drawing are avoided.

Preferably, dwang outside fixedly connected with pointer, first fixed ruler outside fixedly connected with dial, the dial outside is equipped with the scale interval, drives the pointer and deflects when the dwang rotates, makes the pointer remove in the dial outside, judges the deflection angle of rotor plate through the pointer.

Preferably, a telescopic rod is arranged between the first fixed ruler and the second fixed ruler, two ends of the telescopic rod are respectively fixedly connected with the second fixed ruler and the first fixed ruler, one end of the second fixed ruler is fixedly connected with a tape measure, the other end of the tape measure is fixedly connected with the first fixed ruler, the second fixed ruler and the first fixed ruler are limited through the telescopic rod, and the first fixed ruler and the second fixed ruler are enabled to keep parallel movement.

Preferably, a limiting groove is formed in one side of the second fixing ruler, a limiting plate is fixedly connected to one side of the rack, the limiting plate is connected with the second fixing ruler in a sliding mode through the limiting groove, the rack is made to move stably through matching of the limiting plate and the limiting groove, and rack deviation is avoided.

Preferably, the meshing of rack bottom is connected with the connecting rod, connecting rod one side is equipped with the fixed plate, fixed plate and second fixed ruler fixed connection, fixed plate one side is rotated and is connected with the connecting rod, the connecting rod run through the gear and with gear fixed connection, through rotating the connecting rod, make the connecting rod drive the gear and rotate, make the rack that the meshing is connected remove to the length of extension measurement, convenient to use.

The utility model provides an adjustable drawing rule for daily teaching, which has the following beneficial effects:

1. this adjustable drawing rule is used in daily teaching, make the rotor plate drive the sliding block and slide in the gag lever post outside when the rotor plate deflects, fixed connection's telescopic link carries on spacingly between first fixed ruler and the second fixed ruler simultaneously, make the rotor plate promote the second fixed ruler and carry out the rebound, the teaching personnel of being convenient for draw horizontal line, avoided the repetitive movement setting-out, the simple operation, simultaneously along with the removal of the second fixed ruler, make the tape measure prolong, confirm the distance between first fixed ruler and the second fixed ruler fast.

2. This adjustable drawing rule is used in daily teaching through rotating the connecting rod, makes the connecting rod drive gear and rotates, because the gear is connected with the connecting rod meshing to make the rack slide, thereby increase its measuring distance, it is more convenient, quick to make the teaching personnel carry out the line section measurement.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a first fixed ruler structure of the present invention;

FIG. 3 is a schematic view of a second fixed ruler according to the present invention;

fig. 4 is an enlarged view of the structure of the portion a of fig. 2 according to the present invention.

In the figure: 1. a first fixed scale; 2. a second fixed scale; 3. a rotating plate; 4. a limiting rod; 5. rotating the rod; 6. a worm gear; 7. an indicator needle; 8. an indicator panel; 9. a worm; 10. a tape measure; 11. a telescopic rod; 12. a rack; 13. a limiting groove; 14. a limiting plate; 15. a fixing plate; 16. a gear; 17. a connecting rod; 18. and a slider.

Detailed Description

The embodiment of the utility model provides an adjustable drawing rule for daily teaching.

Referring to fig. 1, 2, 3 and 4, the adjustable ruler comprises a first fixed ruler 1 and a second fixed ruler 2, a rotating plate 3 is arranged between the first fixed ruler 1 and the second fixed ruler 2, an adjusting component is arranged between the rotating plate 3 and the first fixed ruler 1, a limiting rod 4 is fixedly connected to the bottom of the second fixed ruler 2, a sliding block 18 is sleeved on the outer side of the limiting rod 4 and is in sliding connection with the sliding block 18, the sliding block 18 is in rotating connection with the rotating plate 3, a rack 12 is arranged inside the second fixed ruler 2, a scale value is arranged on the outer side of the rack 12, the adjusting component comprises a rotating rod 5, the rotating rod 5 penetrates through the first fixed ruler 1 and is in rotating connection with the first fixed ruler 1, the rotating rod 5 is fixedly connected with the rotating plate 3, a worm wheel 6 is fixedly connected to the outer side of the rotating rod 5, the rotating plate 3 and the worm wheel 6 are arranged inside the first fixed ruler 1, rotate through dwang 5 and drive rotor plate 3 and rotate to remove to second fixed ruler 2 and adjust, adjusting part still includes worm 9, worm 9 is connected with the meshing of worm wheel 6, worm 9 runs through first fixed ruler 1 one side and rotates with first fixed ruler 1 and be connected, is connected with the meshing of worm wheel 6 when worm 9 and has the dead effect of lock, thereby makes rotor plate 3 promote the second fixed ruler 2 and rise the back, and remain stable, the deviation appears when avoiding drawing, rocks, dwang 5 outside fixedly connected with pointer 7, 1 outside fixedly connected with of first fixed ruler pointer 8, the 8 outsides of pointer are equipped with scale interval, drive pointer 7 when dwang 5 rotates and deflect, make pointer 7 remove in the 8 outsides of pointer, judge out rotor plate 3's deflection angle through pointer 7.

Be equipped with telescopic link 11 between first fixed ruler 1 and the second fixed ruler 2, 11 both ends of telescopic link respectively with second fixed ruler 2 and first fixed ruler 1 fixed connection, 2 one end fixedly connected with tape measure 10 of second fixed ruler, the tape measure 10 other end and first fixed ruler 1 fixed connection carry on spacingly to second fixed ruler 2 and first fixed ruler 1 through telescopic link 11, make first fixed ruler 1 and second fixed ruler 2 keep parallel translation.

Specifically, align first fixed ruler 1 one side and blackboard when using, through rotating worm 9, make worm 9 drive worm wheel 6 that the meshing is connected and rotate, rotate when worm wheel 6 and drive dwang 5 and rotate, dwang 5 drives the rotor plate 3 and deflects this moment, make rotor plate 3 drive sliding block 18 slide in the gag lever post 4 outside when rotor plate 3 deflects, fixed connection's telescopic link 11 carries on spacingly simultaneously between first fixed ruler 1 and the second fixed ruler 2, make rotor plate 3 promote the second fixed ruler 2 and carry out the rebound, the teaching personnel of being convenient for draw horizontal line, repeat the removal setting-out has been avoided, and is convenient for operate, simultaneously along with the removal of second fixed ruler 2, make 10 prolong, confirm the distance between first fixed ruler 1 of tape measure and the second fixed ruler 2 fast.

Referring to fig. 1, 2 and 3 again, a limiting groove 13 is formed in one side of the second fixed ruler 2, a limiting plate 14 is fixedly connected to one side of the rack 12, the limiting plate 14 is slidably connected to the second fixed ruler 2 through the limiting groove 13, the rack 12 is kept stable in movement by matching the limiting plate 14 with the limiting groove 13, the rack 12 is prevented from being deviated, a connecting rod 17 is engaged and connected to the bottom of the rack 12, a fixing plate 15 is arranged on one side of the connecting rod 17, the fixing plate 15 is fixedly connected to the second fixed ruler 2, the connecting rod 17 is rotatably connected to one side of the fixing plate 15, the connecting rod 17 penetrates through the gear 16 and is fixedly connected to the gear 16, and the connecting rod 17 is rotated to drive the gear 16 to rotate the rack 12, so that the rack 12 engaged and connected is moved, thereby extending the measurement length and facilitating use.

Specifically, when needs are measured or are drawn longer line segments, through rotating connecting rod 17, make connecting rod 17 drive gear 16 and rotate, because gear 16 is connected with connecting rod 17 meshing to make rack 12 slide, thereby increase its measuring distance, make the teaching personnel carry out the measurement to the line segment more convenient, quick.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Adjustable drawing rule is used in daily teaching, including first fixed ruler (1) and second fixed ruler (2), its characterized in that: be equipped with rotor plate (3) between first fixed ruler (1) and second fixed ruler (2), be equipped with adjusting part between rotor plate (3) and first fixed ruler (1), second fixed ruler (2) bottom fixedly connected with gag lever post (4), gag lever post (4) outside cover be equipped with sliding block (18) and with sliding block (18) sliding connection, sliding block (18) rotate with rotor plate (3) and are connected, the inside rack (12) that is equipped with of second fixed ruler (2).

2. Adjustable drawing rule for daily teaching according to claim 1, characterized in that: the adjusting part comprises a rotating rod (5), the rotating rod (5) runs through the first fixed ruler (1) and is connected with the first fixed ruler (1) in a rotating mode, the rotating rod (5) is fixedly connected with a rotating plate (3), a worm wheel (6) is fixedly connected to the outer side of the rotating rod (5), and the rotating plate (3) and the worm wheel (6) are arranged inside the first fixed ruler (1).

3. Adjustable drawing rule for daily teaching according to claim 2, characterized in that: the adjusting component further comprises a worm (9), the worm (9) is meshed with the worm wheel (6), and the worm (9) penetrates through one side of the first fixed ruler (1) and is rotatably connected with the first fixed ruler (1).

4. Adjustable drawing rule for daily teaching according to claim 2, characterized in that: dwang (5) outside fixedly connected with pointer (7), first fixed ruler (1) outside fixedly connected with indicator panel (8), the indicator panel (8) outside is equipped with the scale interval.

5. Adjustable drawing rule for daily teaching according to claim 1, characterized in that: be equipped with telescopic link (11) between first fixed ruler (1) and second fixed ruler (2), telescopic link (11) both ends respectively with second fixed ruler (2) and first fixed ruler (1) fixed connection, second fixed ruler (2) one end fixedly connected with tape measure (10), the tape measure (10) other end and first fixed ruler (1) fixed connection.

6. Adjustable drawing rule for daily teaching according to claim 1, characterized in that: limiting groove (13) have been seted up to second fixed ruler (2) one side, rack (12) one side fixedly connected with limiting plate (14), limiting plate (14) pass through limiting groove (13) and second fixed ruler (2) sliding connection.

7. Adjustable drawing rule for daily teaching according to claim 1, characterized in that: the rack (12) bottom meshing is connected with connecting rod (17), connecting rod (17) one side is equipped with fixed plate (15), fixed plate (15) and second fixed ruler (2) fixed connection, fixed plate (15) one side is rotated and is connected with connecting rod (17), connecting rod (17) run through gear (16) and with gear (16) fixed connection.