CN220763940U

CN220763940U - Multipurpose ruler for mathematics

Info

Publication number: CN220763940U
Application number: CN202322219459.8U
Authority: CN
Inventors: 羊鑫宇; 姚舜邺
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-04-12
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses a mathematical multipurpose ruler, which relates to the technical field of mathematical multipurpose rulers and comprises a main ruler with first scale marks arranged on one side of the top, wherein an auxiliary ruler is rotatably connected to one side of the bottom of the main ruler, which is far away from the first scale marks, the distance between a moving block and a fixed block is a radius, and then a circle can be drawn.

Description

Multipurpose ruler for mathematics

Technical Field

The utility model relates to the technical field of mathematics multipurpose ruler, in particular to a mathematics multipurpose ruler.

Background

Ruler is also called ruler and space ruler and is a tool for drawing line segments (especially straight) and measuring length. The scale is typically graduated to measure length. Some rules have holes with special shapes such as letters or circles in the middle, so that the user can conveniently draw pictures.

During teaching, a ruler tool is often required to be used for drawing a corresponding geometric figure on a blackboard to explain knowledge, and because the ruler is simple in function, a teacher is often required to carry a stack of other teaching tools, such as compasses are required to be used when drawing circles and arcs, most of the existing compasses are provided with tips for positioning, users are easy to be pricked, the user is endangered, and the compasses are inconvenient to carry.

Disclosure of Invention

The utility model aims at: in order to solve the problems of the background technology, the utility model provides a mathematical multipurpose ruler.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a multipurpose ruler of mathematics, includes that top one side is provided with the main scale of scale mark one, scale mark one-to-one rotation is kept away from to main scale bottom is connected with the auxiliary scale, the auxiliary scale top is provided with scale mark two, the logical groove has been seted up on the main scale, logical inslot side sliding connection has the movable block, be provided with the locking subassembly that can lock the movable block on the main scale, the draw-in groove has been seted up on the movable block, draw-in groove inboard sliding connection has two arc clamps that are symmetric distribution and can draw close each other, main scale one side fixedly connected with fixed block, the spread groove has been seted up to the fixed block bottom, the inboard sliding connection of spread groove has the locating pin, the inboard top fixedly connected with spring three of spread groove, locating pin top and three bottom fixedly connected with of spring, locating pin top one side is provided with the spacing subassembly that can carry out spacing to the locating pin.

Further, the cavity is formed in the bottom of the main ruler and the same side of the auxiliary ruler, the auxiliary ruler is rotationally connected to the inner side of the cavity, a first threaded groove is formed in the top of the auxiliary ruler, which is close to one end of the main ruler, a first threaded hole and a second threaded hole are formed in the top of the main ruler, which is close to one side of the auxiliary ruler, the first threaded hole and the second threaded hole are in threaded connection with the same first screw, and the bottom of the first screw is in threaded connection with the first threaded groove.

Further, locking assembly is including seting up at the inboard guide way that is symmetrical distribution of logical groove, two equal sliding connection in guide way has the guide block, two the guide block all with movable block fixed connection, a plurality of screw holes third with the inboard intercommunication of guide way have been seted up to scale mark one-to-one was kept away from at main scale top, one of them screw groove second has been seted up at the guide block top, screw hole third inboard threaded connection has screw second, screw second bottom and the inboard threaded connection of screw groove second.

Further, movable block one side fixedly connected with connecting block, the movable groove has been seted up on the connecting block, movable groove inboard bottom fixedly connected with spring one, spring one top fixedly connected with rack, rack and the inboard sliding connection of movable groove, spout one and spout two have been seted up respectively to draw-in groove inboard both ends, the inboard sliding connection of spout one has two sliders one that are symmetrical distribution, two slider one respectively with two arc clamp fixed connection, spout two inboard rotation is connected with two directional screw rods, threaded connection has two sliders two that are symmetrical distribution on the bidirectional screw rod, two slider two all with spout two inboard sliding connection, two slider two respectively with two arc clamp fixed connection, movable block is close to movable groove one side and rotates and be connected with the connecting axle, connecting axle one end extends to spout two insides and with two directional screw rod one end fixed connection, the connecting axle other end extends to the movable groove inboard and fixedly connected with gear, gear and rack meshing.

Further, the top of the connecting block is slidably connected with a pressing rod, and the bottom of the pressing rod extends to the inner side of the movable groove and is fixedly connected with the top of the rack.

Further, a plurality of evenly distributed through holes are formed in one side of the fixed block, a limiting rod is connected to the inner side of the through hole in a sliding mode, a groove is formed in the top end of the locating pin, one end of the limiting rod extends to the inner side of the groove and is fixedly connected with a limiting plate, a second spring is fixedly connected to one side, away from the limiting rod, of the limiting plate, and one end, away from the limiting plate, of the second spring is fixedly connected with the inner side wall of the groove.

The beneficial effects of the utility model are as follows:

the utility model can draw a straight line on a blackboard by the main scale, further can measure the length of the drawn straight line by the first scale mark, further can draw a right angle by rotating the auxiliary scale, is matched with the main scale, further can clamp the chalk by clamping the chalk at the inner side of the clamping groove and by two arc clamps, can measure the distance between the moving block and the fixed block by sliding the moving block at the inner side of the through groove under the action of the first scale mark, can lock the moving block by the locking component, further can slide the locating pin at the inner side of the connecting groove, further can slide the locating pin out of the connecting groove by taking the locating pin as the center of a circle, and can obtain the distance between the moving block and the fixed block as the radius, the ruler is characterized in that the positioning pin is arranged on the inner side of the connecting groove, the spring III is compressed at the moment, the positioning pin can slide out of the inner side of the connecting groove under the action of the spring III only by adjusting the limiting assembly, the ruler is simple in function, a teacher is required to carry a stack of other teaching tools, such as the compass is required to be used when the circle and the arc are drawn, most of existing compasses are provided with positioning tips, the user is easy to be injured, the damage is caused to the user, and the compasses are inconvenient to carry.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram showing the separation of the main scale and the auxiliary scale of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is a schematic view of the internal structure of the fixing block of the present utility model;

FIG. 5 is a schematic top view of the present utility model;

reference numerals: 1. a main scale; 2. a secondary ruler; 3. a cavity; 4. a first threaded hole; 5. a first screw; 6. a through groove; 7. a connecting block; 8. a threaded hole III; 9. a second screw; 10. a compression bar; 12. a moving block; 13. a clamping groove; 14. a fixed block; 15. a first thread groove; 16. a threaded hole II; 17. a movable groove; 18. a first spring; 19. a gear; 20. a rack; 21. a positioning pin; 22. slotting; 23. a second spring; 24. a connecting groove; 25. a third spring; 26. a limiting plate; 27. a through hole; 28. a limit rod; 29. a connecting shaft; 30. a thread groove II; 31. a first sliding block; 32. a first chute; 33. an arc clamp; 34. a second slide block; 35. a bidirectional screw; 36. and a second chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-5, a multipurpose ruler for mathematics comprises a main ruler 1 with first graduation marks arranged on one side of the top, a subsidiary ruler 2 is rotatably connected to the bottom of the main ruler 1 on one side far away from the graduation marks, second graduation marks are arranged on the top of the subsidiary ruler 2, a through groove 6 is formed in the main ruler 1, a moving block 12 is slidably connected to the inner side of the through groove 6, a locking assembly capable of locking the moving block 12 is arranged on the main ruler 1, a clamping groove 13 is formed in the moving block 12, two symmetrically distributed arc-shaped clamps 33 which can be mutually closed are slidably connected to the inner side of the clamping groove 13, a fixed block 14 is fixedly connected to one side of the main ruler 1, a connecting groove 24 is formed in the bottom of the fixed block 14, a positioning pin 21 is slidably connected to the inner side of the connecting groove 24, a spring III 25 is fixedly connected to the inner side top of the connecting groove 24, the top of the positioning pin 21 is fixedly connected to the bottom of the spring III 25, in some embodiments, a limit component capable of limiting the locating pin 21 is arranged on one side of the top of the locating pin 21, so that a teacher can draw a straight line on a blackboard through the main scale 1, the drawn straight line can be measured in length through the first scale mark, the right angle can be drawn through the rotation of the auxiliary scale 2 under the cooperation of the main scale 1, the chalk can be clamped inside the clamping groove 13 through clamping the chalk by the two arc clamps 33, the chalk can be clamped through the sliding of the moving block 12 inside the through groove 6, the distance between the moving block 12 and the fixed block 14 can be measured under the action of the first scale mark, the moving block 12 can be locked through the locking component, the locating pin 21 can slide inside the connecting groove 24 through the locating pin 21, the locating pin 21 can slide out of the connecting groove 24 with the locating pin 21 as a circle center, the distance between the movable block 12 and the fixed block 14 is the radius, and then can draw a circle, slide upwards in the spread groove 24 through the locating pin 21, under the effect of spacing subassembly, can carry out spacing to the locating pin 21, make the locating pin 21 be located the spread groove 24 inboard, spring three 25 is compressed this moment, when using next time, only need adjust spacing subassembly, can make the locating pin 21 slide out from the spread groove 24 inner side under the effect of spring three 25, thereby it is simple to have solved ruler function, this often needs the teacher to take a pile of other teaching tools, for example need to use the compasses when drawing circular, arc, current compasses mostly have the pointed end of location usefulness, the user is stabbed easily, harm to the user, and the compasses carry inconvenient problem too.

As shown in fig. 1 and 2, in some embodiments, the bottom of the main scale 1 and the same side of the auxiliary scale 2 are provided with a cavity 3, the auxiliary scale 2 is rotatably connected inside the cavity 3, one end, close to the main scale 1, of the top of the auxiliary scale 2 is provided with a first thread groove 15, one side, close to the auxiliary scale 2, of the top of the main scale 1 is provided with a first thread hole 4 and a second thread hole 16, the inner sides of the first thread hole 4 and the second thread hole 16 are in threaded connection with the same first screw 5, the bottom of the first screw 5 is in threaded connection with the inner sides of the first thread groove 15, the first screw 5 is in threaded connection with the inner sides of the first thread groove 4, so that the auxiliary scale 2 can be accommodated inside the cavity 3, the first screw 5 is in threaded connection with the inner sides of the second thread groove 16, and then the first screw 5 is in threaded connection with the inner sides of the first thread groove 15, so that the auxiliary scale 2 is perpendicular to the main scale 1.

As shown in fig. 1, fig. 2, fig. 3 and fig. 5, in some embodiments, the locking assembly includes two symmetrically distributed guide grooves formed inside the through groove 6, two guide grooves are both slidably connected with guide blocks, two guide blocks are both fixedly connected with the moving block 12, a plurality of threaded holes three 8 communicated with the inner sides of the guide grooves are formed on one side, far away from the scale marks, of the top of the main scale 1, a threaded groove two 30 is formed on the top of the guide block, a screw two 9 is connected with the inner side of the threaded hole three 8 in a threaded manner, the bottom of the screw two 9 is connected with the inner side of the threaded groove two 30 in a threaded manner, the guide blocks slide inside the guide grooves, so that the moving block 12 slides inside the through groove 6, the screw two 9 is connected with the inner side of the threaded hole three 8 in a threaded manner, and then the screw two 9 is connected with the inner side of the threaded groove two 30 in a threaded manner, so that the moving block 12 can be locked and limited.

As shown in fig. 3 and 5, in some embodiments, a connecting block 7 is fixedly connected to one side of the moving block 12, a movable slot 17 is provided on the connecting block 7, a first spring 18 is fixedly connected to the bottom of the inner side of the movable slot 17, a rack 20 is fixedly connected to the top of the first spring 18, the rack 20 is slidably connected to the inner side of the movable slot 17, a first chute 32 and a second chute 36 are respectively provided at two ends of the inner side of the clamping slot 13, two symmetrically distributed first sliders 31 are slidably connected to the inner side of the first chute 32, two first sliders 31 are fixedly connected to two arc clamps 33, two bidirectional screws 35 are rotatably connected to the inner side of the second chute 36, two symmetrically distributed second sliders 34 are threadedly connected to the inner side of the second chute 36, the two second sliders 34 are fixedly connected to the two arc clamps 33, the movable block 12 is rotatably connected with a connecting shaft 29 near one side of the movable groove 17, one end of the connecting shaft 29 extends to the inner side of the second sliding groove 36 and is fixedly connected with one end of a bidirectional screw rod 35, the other end of the connecting shaft 29 extends to the inner side of the movable groove 17 and is fixedly connected with a gear 19, the gear 19 is meshed with a rack 20, the rack 20 slides downwards at the inner side of the movable groove 17 to push the gear 19 to rotate, the first spring 18 is compressed to drive the connecting shaft 29 to rotate to drive the bidirectional screw rod 35 to rotate, the second sliding blocks 34 slide away from each other at the inner side of the second sliding groove 36 to drive the two arc clamps 33 to slide away from each other, the inner side of the clamping groove 13 is opened at the moment, chalk is placed between the two arc clamps 33, under the action of the first spring 18, the rack 20 can be driven to slide upwards to drive the gear 19 to rotate reversely to drive the connecting shaft 29 to rotate reversely, the bidirectional screw rod 35 is driven to reversely rotate, so that the two sliding blocks II 34 slide close to each other on the inner side of the sliding groove II 36, and the two arc clamps 33 are driven to slide close to each other, so that chalk is clamped.

As shown in fig. 1-3, in some embodiments, the top of the connecting block 7 is slidably connected with a pressing rod 10, and the bottom of the pressing rod 10 extends to the inner side of the movable slot 17 and is fixedly connected with the top of the rack 20, so as to push the pressing rod 10 and further push the rack 20 to slide downwards.

As shown in fig. 4, in some embodiments, a plurality of evenly distributed through holes 27 are formed on one side of the fixed block 14, a limiting rod 28 is slidably connected to the inner side of the through holes 27, a slot 22 is formed on the top end of the positioning pin 21, one end of the limiting rod 28 extends to the inner side of the slot 22 and is fixedly connected with a limiting plate 26, one side, away from the limiting rod 28, of the limiting plate 26 is fixedly connected with a second spring 23, one end, away from the limiting plate 26, of the second spring 23 is fixedly connected with the inner side wall of the slot 22, the limiting rod 28 is extruded, the limiting rod 28 moves towards the inner side of the slot 22, the second spring 23 is extruded, the limiting rod 28 slides out of the through holes 27, at the moment, the positioning pin 21 can be pushed to slide up and down, the positioning pin 21 can slide in or slide out from the inner side of the connecting slot 24, and stabbing of the hand of a teacher by the positioning pin 21 can be avoided.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a multipurpose ruler of mathematics, is provided with main scale (1) of scale mark one including top one side, its characterized in that: the utility model discloses a scale, including main scale (1), scale (2), main scale (1), connecting groove (24) inboard sliding connection has movable block (12), be provided with on main scale (1) and carry out locking subassembly of locking movable block (12), draw-in groove (13) have been seted up on movable block (12), draw-in groove (13) inboard sliding connection has two arc presss from both sides (33) that are symmetric distribution and can draw close to each other, main scale (1) one side fixedly connected with fixed block (14), connecting groove (24) have been seted up to fixed block (14) bottom, connecting groove (24) inboard sliding connection has locating pin (21), connecting groove (24) inboard top fixedly connected with spring three (25), locating pin (21) top and spring three (25) bottom fixed connection, locating pin (21) top one side is provided with can carry out spacing subassembly to locating pin (21).

2. A multipurpose mathematical ruler as claimed in claim 1, wherein: the utility model discloses a novel ruler, including main scale (1), auxiliary scale (2), screw groove one (15) has been seted up to main scale (1) bottom and auxiliary scale (2) homonymy, auxiliary scale (2) rotate and connect in cavity (3) inboard, auxiliary scale (2) top is close to main scale (1) one end and has been seted up screw hole one (4) and screw hole two (16) near auxiliary scale (2) one side, screw hole one (4) and screw hole two (16) inboard threaded connection have same screw one (5), screw one (5) bottom and screw groove one (15) inboard threaded connection.

3. A multipurpose mathematical ruler as claimed in claim 1, wherein: the locking assembly comprises two symmetrically distributed guide grooves formed in the inner sides of the through grooves (6), guide blocks are slidably connected to the inner sides of the guide grooves, the guide blocks are fixedly connected with the moving blocks (12), a plurality of threaded holes III (8) communicated with the inner sides of the guide grooves are formed in the tops of the main scales (1) away from one side of the scale marks, one of the threaded holes III (8) is formed in the tops of the guide blocks, a screw II (9) is connected to the inner side threads of the threaded holes III (8), and the bottoms of the screws II (9) are connected with the inner sides of the threaded holes II (30) in a threaded mode.

4. A multipurpose mathematical ruler as claimed in claim 1, wherein: the utility model discloses a movable sliding block, which is characterized in that a connecting block (7) is fixedly connected with one side of a movable block (12), a movable groove (17) is formed in the connecting block (7), a first spring (18) is fixedly connected with the inner bottom of the movable groove (17), a rack (20) is fixedly connected with the top of the first spring (18), the rack (20) is in sliding connection with the inner side of the movable groove (17), a first sliding groove (32) and a second sliding groove (36) are respectively formed in the two inner ends of the clamping groove (13), two symmetrically distributed first sliding blocks (31) are respectively and slidably connected with the inner side of the first sliding groove (32), two first sliding blocks (31) are respectively and fixedly connected with two arc clamps (33), a bidirectional screw rod (35) is rotationally connected with the inner side of the second sliding groove (36), two symmetrically distributed sliding blocks (34) are respectively and slidably connected with the inner side of the second sliding groove (36), one side of the movable block (12) is close to one side of the movable groove (17) which is fixedly connected with one end of a shaft (29) which is fixedly connected with the second sliding groove (35), the other end of the connecting shaft (29) extends to the inner side of the movable groove (17) and is fixedly connected with a gear (19), and the gear (19) is meshed with the rack (20).

5. A multipurpose mathematical ruler as claimed in claim 4, wherein: the top of the connecting block (7) is connected with a pressing rod (10) in a sliding manner, and the bottom of the pressing rod (10) extends to the inner side of the movable groove (17) and is fixedly connected with the top of the rack (20).

6. A multipurpose mathematical ruler as claimed in claim 1, wherein: a plurality of evenly distributed through holes (27) are formed in one side of the fixed block (14), a limiting rod (28) is connected to the inner side of the through hole (27) in a sliding mode, a groove (22) is formed in the top end of the locating pin (21), one end of the limiting rod (28) extends to the inner side of the groove (22) and is fixedly connected with a limiting plate (26), a spring II (23) is fixedly connected to one side, away from the limiting rod (28), of the limiting plate (26), and one end, away from the limiting plate (26), of the spring II (23) is fixedly connected with the inner side wall of the groove (22).