CN218986192U

CN218986192U - Fixable combined ruler

Info

Publication number: CN218986192U
Application number: CN202223405540.7U
Authority: CN
Inventors: 范艳丽; 余丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-09
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a fixable combined ruler, which belongs to the technical field of teaching ruler, and comprises a first ruler plate, wherein a sliding groove, a movable groove, an L-shaped groove and an adjusting groove are formed in the first ruler plate, a second ruler plate is connected in a sliding manner in the sliding groove, a plurality of clamping holes are formed in the second ruler plate, a sliding rod is connected in the L-shaped groove in a sliding manner, a connecting plate and a button are respectively and fixedly connected to two ends of the sliding rod, a clamping block is fixedly connected to the top of the connecting plate and clamped in the clamping hole, and a spring is sleeved on the surface of the sliding rod; the novel ruler has the beneficial effects that by arranging the buttons, the clamping blocks and the clamping holes, people can conveniently contract the ruler plate, so that people can conveniently carry the ruler plate, meanwhile, people can rotate the knob to fix the first ruler plate on the side face of the blackboard, so that people can conveniently and stably position the first ruler plate, and drawing stability can be improved.

Description

Fixable combined ruler

Technical Field

The utility model relates to the technical field of teaching ruler, in particular to a fixable combined ruler.

Background

Mathematics is a general means for human to strictly describe abstract structures and modes of things, can be applied to any problem in the real world, all mathematical objects are artificially defined in nature, geometry in mathematics is one of very important branches, and mathematics people need to use a teaching ruler to draw figures on a blackboard when teaching geometry. Geometry is a subject of studying spatial structure and properties, and is one of the most basic study contents in mathematics, and in geometry teaching, tools such as angle squares are often required to be used for drawing.

However, some traditional teaching ruler functions are single, traditional ruler is long, can not stretch out and draw back, carries inconvenience, and some current teaching ruler simultaneously can not fix the position of ruler when using, can not draw the triangle-shaped of different angles according to the demand, uses very inconveniently, consequently to above-mentioned problem, specially provides a fixable combination ruler.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a fixable combined ruler which has the characteristics of being telescopic, convenient to carry, convenient for people to fix the position of the ruler and convenient for people to draw triangles with different angles.

(2) Technical proposal

In order to achieve the above purpose, the utility model provides a fixable combined ruler, which comprises a first ruler plate, wherein a sliding groove, a movable groove, an L-shaped groove and an adjusting groove are formed in the first ruler plate, a second ruler plate is connected in a sliding manner in the sliding groove, a plurality of clamping holes are formed in the second ruler plate, a sliding rod is connected in the L-shaped groove in a sliding manner, a connecting plate and a button are respectively and fixedly connected to two ends of the sliding rod, a clamping block is fixedly connected to the top of the connecting plate, the clamping block is clamped in the clamping hole, a spring is sleeved on the surface of the sliding rod, two ends of the spring are respectively and fixedly connected to the top of the inside of the L-shaped groove and the top of the connecting plate, a rotating shaft is rotatably arranged on the top of the inside of the adjusting groove through a bearing, a knob and a threaded rod are respectively and fixedly connected to two ends of the rotating shaft, two limiting rods are fixedly connected to the inner sides of the adjusting groove, a limiting plate is connected to the surface of the limiting rod in a sliding manner, a threaded cylinder is fixedly connected to the bottom of the limiting plate, the threaded rod is connected to the bottom of the threaded rod in the threaded cylinder, one end of the threaded cylinder penetrates through the adjusting groove, and a sucking disc is fixedly connected to the sucking disc.

When using the combination chi utensil that can fix of this technical scheme, through setting up button, fixture block and draw-in hole, be convenient for people shrink the chi board to be convenient for people carry the chi board, simultaneously, people rotate the knob, can fix first chi board in the blackboard side, thereby be convenient for people stabilize the position of first chi board, can improve drawing stability.

Further, a first connecting rod is movably connected to the inner side face of the movable groove through a pin shaft, and a limit groove is formed in the top of the movable groove.

Further, a second connecting rod is movably connected to one end of the first connecting rod through a pin shaft, a fixing bolt is connected to the top of the second connecting rod through threads, and the fixing bolt is slidably connected in the limiting groove.

Further, one end of the first ruler plate is fixedly connected with an angle plate, and a rotary groove is formed in the angle plate.

Further, the first ruler plate side fixedly connected with pilot line, pilot line sliding connection is in the rotary groove, pilot line one end fixedly connected with solid fixed ring.

Further, scale marks are engraved on the tops of the first ruler plate and the second ruler plate.

(3) Advantageous effects

In summary, the utility model has the following beneficial effects:

1. according to the fixable combined ruler, the buttons, the clamping blocks and the clamping holes are arranged, so that people can conveniently contract the ruler plate, and therefore people can conveniently carry the ruler plate, meanwhile, people can rotate the knob to fix the first ruler plate on the side face of the blackboard, and therefore people can conveniently and stably position the first ruler plate, and drawing stability can be improved;

2. this fixable's combination chi utensil through setting up head rod and second connecting rod, people pulling second connecting rod, through fixing bolt, adjusts the position of head rod and second connecting rod, and the triangle-shaped of different angles is drawn to people of being convenient for, through setting up the angle board, people inserts the chalk in the fixed ring, pulls the fixed ring, and the arc line of different angles can be drawn to contrast instruction line.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model in elevation;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is an enlarged cross-sectional schematic view of the structure of FIG. 1 at A;

fig. 4 is an enlarged sectional schematic view of the structure at B in fig. 1.

The marks in the drawings are:

1. a first ruler plate; 2. a chute; 3. a movable groove; 4. a second ruler plate; 5. a clamping hole; 6. an L-shaped groove; 7. a slide bar; 8. a connecting plate; 9. a button; 10. a spring; 11. a clamping block; 12. a suction cup; 13. a rotating shaft; 14. a knob; 15. a threaded rod; 16. a thread cylinder; 17. a limiting plate; 18. a limit rod; 19. an adjustment tank; 20. a limit groove; 21. a first connecting rod; 22. a second connecting rod; 23. a fixing bolt; 24. an angle plate; 25. a rotary groove; 26. an indication line; 27. a fixing ring; 28. graduation marks.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-4.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fixable's combination chi utensil, including first chi board 1, spout 2 has been seted up to first chi board 1 inside, movable groove 3, L type groove 6 and adjustment tank 19, spout 2 inside sliding connection has second chi board 4, a plurality of draw-in holes 5,L type groove 6 inside sliding connection has slide bar 7 has been seted up to second chi board 4 inside, slide bar 7 both ends are fixedly connected with connecting plate 8 and button 9 respectively, connecting plate 8 top fixedly connected with fixture block 11, fixture block 11 joint is in draw-in holes 5, spring 10 has been cup jointed on slide bar 7 surface, spring 10 both ends are fixedly connected with respectively at L type groove 6 inside top and connecting plate 8 top, the inside top of adjustment tank 19 is worn to have through the bearing rotation pivot 13, pivot 13 both ends are fixedly connected with knob 14 and threaded rod 15 respectively, two gag lever 18 of inside side fixedly connected with of adjustment tank 19, gag lever arm 18 surface sliding connection has gag lever post 17, gag lever arm 17 bottom fixedly connected with screw thread section of thick bamboo 16, threaded rod 15 bottom threaded connection is in screw thread section of thick bamboo 16, screw 16 one end passes adjustment tank 19, and fixedly connected with sucking disc 12.

Through adopting above-mentioned technical scheme, through setting up button 9, fixture block 11 and draw-in hole 5, be convenient for people shrink the chi board to be convenient for people carry the chi board, simultaneously, people rotate knob 14, can fix first chi board 1 in the blackboard side, thereby be convenient for people stabilize the position of first chi board 1, can improve drawing stability.

Specifically, the inner side surface of the movable groove 3 is movably connected with a first connecting rod 21 through a pin shaft, and the top of the movable groove 3 is provided with a limit groove 20.

Specifically, one end of the first connecting rod 21 is movably connected with a second connecting rod 22 through a pin shaft, the top of the second connecting rod 22 is in threaded connection with a fixing bolt 23, and the fixing bolt 23 is in sliding connection in the limiting groove 20.

Specifically, one end of the first ruler plate 1 is fixedly connected with an angle plate 24, and a rotating groove 25 is formed in the angle plate 24.

Specifically, the side of the first ruler plate 1 is fixedly connected with an indication line 26, the indication line 26 is slidably connected in the rotary groove 25, and one end of the indication line 26 is fixedly connected with a fixing ring 27.

Through adopting above-mentioned technical scheme, through setting up head rod 21 and second connecting rod 22, people stimulate second connecting rod 22, through fixing bolt 23, adjust head rod 21 and second connecting rod 22's position, be convenient for people draw the triangle-shaped of different angles, through setting up angle board 24, people insert the chalk in the solid fixed ring 27, stimulate solid fixed ring 27, contrast instruction line 26 can draw the arc line of different angles.

Specifically, the top of the first ruler plate 1 and the second ruler plate 4 are carved with graduation marks 28.

The working principle of the utility model is as follows:

when the device is used, a user contacts the side surface of the first ruler plate 1 with the side surface of the blackboard, then rotates the knob 14 to enable the rotating shaft 13 and the threaded rod 15 to rotate, drives the threaded cylinder 16 to be at the position inside the adjusting groove 19 under the action of the limiting rod 18 and the limiting plate 17, pushes the sucking disc 12 to be close to the blackboard, fixes the first ruler plate 1 on the side surface of the blackboard, and can draw after the fixation is completed;

through setting up button 9, when people need shrink the chi board, people press button 9, make fixture block 11 break away from draw-in hole 5, insert first chi inboard 1 with second chi board 4, then loosen button 9, under the effect of spring 10, fixture block 11 joint is in draw-in hole 5, fix the position of second chi board 4, thereby be convenient for people shrink the chi board, through setting up head rod 21 and second connecting rod 22, people stimulate second connecting rod 22, through fixing bolt 23, adjust head rod 21 and second connecting rod 22's position, be convenient for people draw the triangle-shaped of different angles, through setting up angle board 24, people insert the chalk in fixed ring 27, pull fixed ring 27, the arc line of different angles can be drawn to contrast indicator line 26.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. Fixable combined ruler comprises a first ruler plate (1), and is characterized in that: the utility model discloses a threaded limit cylinder, including first chi board (1) inside spout (2), movable groove (3), L type groove (6) and adjustment tank (19) of having seted up, spout (2) inside sliding connection has second chi board (4), a plurality of draw-in holes (5) have been seted up to second chi board (4) inside, L type groove (6) inside sliding connection has slide bar (7), slide bar (7) both ends fixedly connected with connecting plate (8) and button (9) respectively, connecting plate (8) top fixedly connected with fixture block (11), fixture block (11) joint is in draw-in hole (5), spring (10) have been cup jointed on slide bar (7) surface, spring (10) both ends are fixedly connected with in L type groove (6) inside top and connecting plate (8) top respectively, pivot (13) are worn to be equipped with through the bearing rotation in inside top in adjustment tank (19), pivot (13) both ends are fixedly connected with knob (14) and threaded rod (15) respectively, two spacing bars (18) are fixedly connected with to side surface side in adjustment tank (19), threaded limit cylinder (16) are connected with threaded limit cylinder (16) bottom (16) threaded limit cylinder (16), one end of the threaded cylinder (16) penetrates through the adjusting groove (19) and is fixedly connected with the sucker (12).

2. A fixable combination ruler as claimed in claim 1 wherein: the inner side surface of the movable groove (3) is movably connected with a first connecting rod (21) through a pin shaft, and a limiting groove (20) is formed in the top of the movable groove (3).

3. A fixable combination ruler as claimed in claim 2 wherein: one end of the first connecting rod (21) is movably connected with a second connecting rod (22) through a pin shaft, the top of the second connecting rod (22) is in threaded connection with a fixing bolt (23), and the fixing bolt (23) is in sliding connection in the limiting groove (20).

4. A fixable combination ruler as claimed in claim 1 wherein: one end of the first ruler plate (1) is fixedly connected with an angle plate (24), and a rotary groove (25) is formed in the angle plate (24).

5. The fixable combination ruler of claim 4, wherein: the side of the first ruler plate (1) is fixedly connected with an indication line (26), the indication line (26) is slidably connected in the rotary groove (25), and one end of the indication line (26) is fixedly connected with a fixing ring (27).

6. A fixable combination ruler as claimed in claim 1 wherein: scale marks (28) are engraved on the tops of the first ruler plate (1) and the second ruler plate (4).