CN214523046U

CN214523046U - Multifunctional mathematic ruler for math teaching

Info

Publication number: CN214523046U
Application number: CN202022647124.2U
Authority: CN
Inventors: 丁黎明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-10-29
Anticipated expiration: 2030-11-16

Abstract

The utility model provides a mathematical education is with multi-functional mathematics chi relates to mathematics chi technical field, including ruler and fixing device, the inner wall fixedly connected with bracing piece of ruler, the one end of ruler is equipped with fixing device, fixing device includes the fixed column, the surface cover of fixed column has the ruler, the spout has been seted up on the surface of fixed column, the inner wall sliding connection of spout has the slider, the inside of slider is rotated and is connected with the rotor plate. The utility model discloses, thereby make the telescopic link fixed, thereby make the rotor plate fixed with a plurality of rulers, thereby can solve the mathematics chi also be a kind of ruler, and the kind of mathematics chi is more moreover, and the mathematics chi is generally bigger, when teaching the use, often need carry many mathematics chi, and traditional mathematics chi all need take alone, can't fix and take together, this just leads to very inconvenient problem when taking a plurality of mathematics chi.

Description

Multifunctional mathematic ruler for math teaching

Technical Field

The utility model discloses the mathematics chi especially relates to a multi-functional mathematics chi is used in mathematics teaching.

Background

The ruler is also called measuring ruler and dividing ruler, and is a tool for drawing line segments and measuring length. The ruler is usually provided with scales for measuring length, and some rulers are provided with holes in special shapes such as letters or circles in the middle, so that a user can conveniently draw pictures, and the ruler is usually used for measuring and calculating length and is generally divided into a tape measure, a vernier caliper, a square and a straight ruler.

The mathematics chi also is the one kind of ruler, and the kind of mathematics chi is more moreover to the mathematics chi is generally all bigger, when teaching the use, often need carry many mathematics chi, and traditional mathematics chi all need take alone, can't fix and take together, and this just leads to when taking a plurality of mathematics chi very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multifunctional math ruler for math teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multifunctional math ruler for math teaching comprises a ruler and a fixing device, wherein a supporting rod is fixedly connected to the inner wall of the ruler, the fixing device is arranged at one end of the ruler and comprises a fixing column, the ruler is sleeved on the surface of the fixing column, a sliding chute is formed in the surface of the fixing column, a sliding block is connected to the inner wall of the sliding chute in a sliding mode, a rotating plate is rotatably connected to the inside of the sliding block, a telescopic rod is rotatably connected to one end, far away from the sliding block, of the rotating plate, the telescopic rod is composed of two hollow rods with different sizes, the surface of a small rod is slidably connected to the inside of a large rod, a limiting hole is formed in one end, far away from the rotating plate, of the telescopic rod, a rectangular block is fixedly connected to one end, far away from the sliding block, of the fixing column, a welding rectangular block is fixedly connected to one end, close to the ruler, of the rectangular block, a rectangular groove is formed in one end, close to the ruler, the inside sliding connection of rectangular channel has the gag lever post, the one end and the rectangular channel joint of gag lever post, the size of gag lever post and the size phase-match in spacing hole.

Preferably, the sliding block is U-shaped, and one ends of the inner walls of the sliding block, which are close to each other, are rotatably connected with a rotating plate.

Preferably, the inside of spout is equipped with first spring, the one end and the spout fixed connection of first spring, the other end and the slider fixed connection of first spring.

Preferably, the surface welding of gag lever post has the separation blade, the one end fixedly connected with second spring of separation blade, the other end and the rectangular channel fixed connection of second spring.

Preferably, protector is all located to the both sides of ruler, protector includes the third spring, the third spring has four, and two liang of a set of center pin symmetric distribution with the ruler of four third springs, the one end and the ruler fixed connection of third spring, the one end fixedly connected with splint that the ruler was kept away from to the third spring, splint are close to the one end of ruler and accompany the protection and fill up, two the one end that splint are close to each other is equipped with stopper and recess respectively, the one end and the splint welding of stopper, the through-hole has been seted up to the one end of stopper, and another splint set up flutedly, sliding connection has two baffles in the recess, two the equal fixedly connected with fixture block of one end that the baffle is close to each other, and two mutual joints of fixture block, the size of fixture block and the size phase-match of through-hole.

Preferably, the groove is internally provided with a spring plate which is V-shaped, one end of the spring plate is fixedly connected with the groove, and the other end of the spring plate is fixedly connected with the baffle.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the fixing device, the telescopic rod at one end of the rotating plate is rotated to ensure that the telescopic rod is jointed with the rotating plate, then the rotating plate is rotated to ensure that the rotating plate and the slider are on the same straight line, at the moment, the ruler slides down along the fixed column, at the moment, one end of the ruler is jointed with the rectangular block, then the rotating plate and the telescopic rod are rotated to the original position, at the moment, the slider in the chute slides towards the ruler direction, the slider compresses the first spring to ensure that one end of the rotating plate is jointed with the surface of the ruler, then the telescopic rod is pulled to ensure that one end of the telescopic rod enters the rectangular groove, at the moment, the limiting rod in the rectangular groove is pulled to ensure that the limiting rod moves towards the direction far away from the rectangular groove, thereby the telescopic rod enters the rectangular groove, at the moment, the limiting rod is loosened again, so that the second spring in the rectangular groove rebounds the original position, and the blocking piece drives the limiting rod to reset, make the gag lever post pass the spacing hole and the rectangle groove looks joint on telescopic link surface, thereby make the telescopic link fixed, thereby make the rotor plate fixed with a plurality of rulers, thereby can solve the mathematics chi also be one kind of ruler, and the kind of mathematics chi is more, and the mathematics chi is generally bigger, when teaching the use, often need carry many mathematics chi, and traditional mathematics chi all need take alone, can't fix and take together, this just leads to very inconvenient problem when taking a plurality of mathematics chi.

2. In the utility model, by arranging the protective device, the two clamping plates are moved towards the direction far away from each other, the protective pad is sleeved on the ruler, the two clamping plates are loosened, the third spring pulls the two clamping plates back to the original position, the two clamping plates clamp the protective pad, the limiting block at one end of the clamping plates moves towards the groove, the elastic piece in the groove is in the extruded state, the two baffle plates are loosened, the elastic piece is not extruded any more, the elastic piece provides elastic force for the baffle plates, the elastic piece rebounds the clamping blocks on the two baffle plates to the original position, the two clamping blocks pass through the through holes on the limiting block, the two clamping blocks are clamped in the through holes, the two clamping plates are fixed, the protective pad on the ruler is fixed, the problem that when the ruler is not used, the two ends of the ruler are sharper, and when no protective device is easy is existed is solved, the problem that the person is easy to be injured when the person runs into the electric heating furnace.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a multifunctional mathematical ruler for mathematical education provided by the utility model;

fig. 2 is a schematic structural view of a position a in fig. 1 in the multifunctional mathematics ruler for mathematics teaching of the present invention;

FIG. 3 is a schematic structural view of a limiting rod of the multifunctional mathematics ruler for mathematics teaching according to the present invention;

FIG. 4 is a schematic structural view of a protective device in the multifunctional mathematics ruler for mathematics teaching of the utility model;

fig. 5 is the utility model provides a structure diagram of B department of fig. 4 in the multi-functional mathematics chi for mathematical education.

Illustration of the drawings: 1. a ruler; 2. a support bar; 3. a fixing device; 301. fixing a column; 302. a chute; 303. A first spring; 304. a rectangular block; 305. a rectangular groove; 306. a telescopic rod; 307. a limiting hole; 308. a slider; 309. a rotating plate; 310. a limiting rod; 311. a second spring; 312. a baffle plate; 4. a guard; 41. A splint; 42. a third spring; 43. a limiting block; 44. a through hole; 45. a groove; 46. a spring plate; 47. a baffle plate; 48. and (7) clamping blocks.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-5, the utility model provides a multi-functional mathematics chi is used in mathematics teaching, including ruler 1 and fixing device 3, the inner wall fixedly connected with bracing piece 2 of ruler 1, the one end of ruler 1 is equipped with fixing device 3.

The specific arrangement and function of the fixing means 3 and the shielding means 4 will be described in detail below.

As shown in fig. 1 and 2, the fixing device 3 includes a fixing column 301, a ruler 1 is sleeved on the surface of the fixing column 301, a sliding slot 302 is formed on the surface of the fixing column 301, a sliding block 308 is connected to the inner wall of the sliding slot 302 in a sliding manner, a rotating plate 309 is connected to the inside of the sliding block 308 in a rotating manner, an expansion link 306 is connected to one end of the rotating plate 309 far away from the sliding block 308 in a rotating manner, the expansion link 306 is composed of two hollow rods with different sizes, the surface of the small rod is connected to the inside of the large rod in a sliding manner, the expansion link 306 is attached to the rotating plate 309 by rotating the expansion link 306 at one end of the rotating plate 309, the rotating plate 309 is rotated again at the moment, the rotating plate 309 and the sliding block 308 are on the same straight line, the ruler 1 slides down along the fixing column 301 at the moment, one end of the ruler 1 is attached to the rectangular block 304 at the moment, the rotating plate 309 and the expansion link 306 are rotated back to the original position, the sliding block 308 in the sliding slot 302 slides towards the ruler 1 direction at the moment, the sliding block 308 compresses the first spring 303, one end of the rotating plate 309 is attached to the surface of the ruler 1, one end of the telescopic rod 306, which is far away from the rotating plate 309, is provided with a limiting hole 307, one end of the fixed column 301, which is far away from the sliding block 308, is fixedly connected and welded with the rectangular block 304, one end of the rectangular block 304 is attached to the ruler 1, one end of the rectangular block 304, which is close to the ruler 1, is provided with a rectangular groove 305, the inside of the rectangular groove 305 is connected with a limiting rod 310 in a sliding manner, one end of the limiting rod 310 is clamped with the rectangular groove 305, the size of the limiting rod 310 is matched with that of the limiting hole 307, the sliding block 308 is in a U shape, one end, which is close to the inner wall of the sliding block 308, is rotatably connected with the rotating plate 309, the inside of the sliding groove 302 is provided with the first spring 303, one end of the first spring 303 is fixedly connected with the sliding groove 302, the other end of the first spring 303 is fixedly connected with the sliding block 308, the surface of the limiting rod 310 is welded with a blocking piece 312, one end fixedly connected with second spring 311 of separation blade 312, pull telescopic link 306 again, make the one end of telescopic link 306 get into the rectangular channel 305, stimulate gag lever post 310 in the rectangular channel 305 this moment, make gag lever post 310 to the direction of keeping away from rectangular channel 305 remove, thereby let telescopic link 306 get into the rectangular channel 305, loosen gag lever post 310 again this moment, make second spring 311 in the rectangular channel 305 rebound normal position with separation blade 312, make separation blade 312 drive gag lever post 310 and reset, make gag lever post 310 pass spacing hole 307 and the rectangular channel 305 looks joint on telescopic link 306 surface, thereby make telescopic link 306 fixed, thereby make rotor plate 309 fixed with a plurality of rulers 1, the other end and the rectangular channel 305 fixed connection of second spring 311.

The whole fixing device 3 achieves the effects that by arranging the fixing device 3, the telescopic rod 306 at one end of the rotating plate 309 is rotated to enable the telescopic rod 306 to be attached to the rotating plate 309, then the rotating plate 309 is rotated to enable the rotating plate 309 and the sliding block 308 to be on the same straight line, at the moment, the ruler 1 slides down along the fixed column 301, at the moment, one end of the ruler 1 is attached to the rectangular block 304, then the rotating plate 309 and the telescopic rod 306 are rotated to the original position, at the moment, the sliding block 308 in the sliding groove 302 slides towards the direction of the ruler 1, the sliding block 308 compresses the first spring 303 to enable one end of the rotating plate 309 to be attached to the surface of the ruler 1, then the telescopic rod 306 is pulled to enable one end of the telescopic rod 306 to enter the rectangular groove 305, at the moment, the limiting rod 310 in the rectangular groove 305 is pulled to enable the limiting rod 310 to move towards the direction far away from the rectangular groove 305, and then the telescopic rod 306 enters the rectangular groove 305, loosen gag lever post 310 again this moment, make the second spring 311 in the rectangular channel 305 rebound the normal position with separation blade 312, make separation blade 312 drive gag lever post 310 and reset, make gag lever post 310 pass spacing hole 307 and rectangular channel 305 joint mutually on telescopic link 306 surface, thereby make telescopic link 306 fixed, thereby make rotor plate 309 fixed with a plurality of rulers 1, thereby the mathematics chi also be one kind of ruler 1 has been solved, and the kind of mathematics chi is more, and the mathematics chi is generally bigger, when teaching uses, often need carry many mathematics chi, and traditional mathematics chi all need be taken alone, can't fix and take together, this just leads to the very inconvenient problem when taking a plurality of mathematics chi.

As shown in fig. 1 and 4, the two sides of the ruler 1 are both provided with the protective device 4, the protective device 4 comprises four third springs 42, the four third springs 42 are symmetrically distributed with the central axis of the ruler 1 in groups of two third springs 42, one end of each third spring 42 is fixedly connected with the ruler 1, one end of each third spring 42 far away from the ruler 1 is fixedly connected with a clamping plate 41, one end of each clamping plate 41 close to the ruler 1 clamps a protective pad, one ends of the two clamping plates 41 close to each other are respectively provided with a limiting block 43 and a groove 45, one end of each limiting block 43 is welded with the clamping plate 41, one end of each limiting block 43 is provided with a through hole 44, the other clamping plate 41 is provided with a groove 45, the two clamping plates 41 are moved towards directions far away from each other, the protective pads are sleeved on the ruler 1, the two clamping plates 41 are loosened, the two clamping plates 41 are pulled back by the third springs 42, and the two clamping plates 41 clamp the protective pads, at the moment, the limiting block 43 at one end of the clamping plate 41 moves into the groove 45, two baffle plates 47 are connected in the groove 45 in a sliding way, the ends of the two baffle plates 47 close to each other are fixedly connected with clamping blocks 48, the two clamping blocks 48 are clamped with each other, the size of the clamping blocks 48 is matched with that of the through holes 44, the elastic sheet 46 is arranged in the groove 45, at the moment, the elastic sheet 46 in the groove 45 is in a squeezed state, at the moment, the two baffle plates 47 are loosened, so that the two blocking plates 47 no longer press the spring plate 46, so that the spring plate 46 gives an elastic force to the blocking plates 47, so that the elastic sheet 46 rebounds the latch 48 on the two blocking plates 47, so that the two latches 48 pass through the through holes 44 on the stop block 43, so that the two clamping blocks 48 are clamped in the through hole 44, the elastic sheet 46 is in a V shape, one end of the elastic sheet 46 is fixedly connected with the groove 45, and the other end of the elastic sheet 46 is fixedly connected with the baffle 47.

The whole protection device 4 has the effects that by arranging the protection device 4, the two clamping plates 41 are moved away from each other, the protection pad is sleeved on the ruler 1 at the moment, the two clamping plates 41 are loosened at the moment, the third spring 42 pulls the two clamping plates 41 back to the original position, the two clamping plates 41 clamp the protection pad, the limiting block 43 at one end of the clamping plate 41 moves into the groove 45 at the moment, the elastic sheet 46 in the groove 45 is in a squeezed state at the moment, the two baffles 47 are loosened at the moment, the two baffles 47 do not squeeze the elastic sheet 46 any more, the elastic sheet 46 provides elastic force for the baffles 47, the elastic sheet 46 enables the clamping blocks 48 on the two baffles 47 to rebound to the original position, the two clamping blocks 48 penetrate through the through holes 44 on the limiting blocks 43, the two clamping blocks 48 are clamped in the through holes 44, the two clamping plates 41 are fixed, and the protection pad on the ruler 1 is fixed, therefore, the problem that when the ruler 1 is not used, two ends of the ruler 1 are relatively sharp, and people easily get injured when colliding without the protection device 4 is solved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a multi-functional mathematics chi is used in mathematics teaching, includes ruler (1) and fixing device (3), its characterized in that: the inner wall of the ruler (1) is fixedly connected with a supporting rod (2), one end of the ruler (1) is provided with a fixing device (3), the fixing device (3) comprises a fixing column (301), the surface of the fixing column (301) is sleeved with the ruler (1), the surface of the fixing column (301) is provided with a sliding chute (302), the inner wall of the sliding chute (302) is connected with a sliding block (308) in a sliding manner, the inside of the sliding block (308) is rotatably connected with a rotating plate (309), one end, far away from the sliding block (308), of the rotating plate (309) is rotatably connected with a telescopic rod (306), one end, far away from the rotating plate (309), of the telescopic rod (306) is provided with a limiting hole (307), one end, far away from the sliding block (308), of the fixing column (301) is fixedly connected with a welded rectangular block (304), one end of the rectangular block (304) is attached to the ruler (1), one end, close to the ruler (1), of the rectangular block (304) is provided with a rectangular groove (305), the inside sliding connection of rectangular channel (305) has gag lever post (310), the one end and the rectangular channel (305) joint of gag lever post (310), the size of gag lever post (310) and the size phase-match of spacing hole (307).

2. The multifunctional math ruler for math teaching of claim 1 wherein: the sliding block (308) is U-shaped, and one ends of the inner walls of the sliding block (308) which are close to each other are rotatably connected with a rotating plate (309).

3. The multifunctional math ruler for math teaching of claim 1 wherein: the inside of spout (302) is equipped with first spring (303), the one end and the spout (302) fixed connection of first spring (303), the other end and the slider (308) fixed connection of first spring (303).

4. The multifunctional math ruler for math teaching of claim 1 wherein: the surface welding of gag lever post (310) has separation blade (312), the one end fixedly connected with second spring (311) of separation blade (312), the other end and the rectangular channel (305) fixed connection of second spring (311).

5. The multifunctional math ruler for math teaching of claim 1 wherein: protection devices (4) are arranged on two sides of the ruler (1), each protection device (4) comprises four third springs (42), the number of the third springs (42) is four, the four third springs (42) are distributed symmetrically with the center axis of the ruler (1) in a group of two, one end of each third spring (42) is fixedly connected with the ruler (1), one end of each third spring (42), far away from the ruler (1), is fixedly connected with a clamping plate (41), one end of each clamping plate (41), close to the ruler (1), is clamped with a protection pad, two ends, close to each other, of the clamping plates (41) are respectively provided with a limiting block (43) and a groove (45), one end of each limiting block (43) is welded with the corresponding clamping plate (41), one end of each limiting block (43) is provided with a through hole (44), the surface of each clamping plate (41) is provided with the groove (45), and the grooves (45) are internally connected with two baffles (47) in a sliding manner, two equal fixedly connected with fixture block (48) in one end that baffle (47) are close to each other, and two fixture block (48) joint each other, the size of fixture block (48) and the size phase-match of through-hole (44).

6. The multifunctional math ruler for math teaching of claim 5 wherein: the spring plate (46) is arranged in the groove (45), the spring plate (46) is V-shaped, one end of the spring plate (46) is fixedly connected with the groove (45), and the other end of the spring plate (46) is fixedly connected with the baffle (47).