CN213383646U

CN213383646U - Teaching ruler for mathematical design

Info

Publication number: CN213383646U
Application number: CN202021930532.2U
Authority: CN
Inventors: 杨盛岳; 解瑞斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-08
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a teaching ruler for mathematical design, including accomodating chi one, accomodate the bottom of chi one and seted up and accomodate groove one, the rear side of accomodating chi one is rotated through the pivot and is connected with and accomodates chi two, accomodate the surface of chi two and seted up and accomodate groove two. The utility model discloses a accomodate groove one, accomodate chi two, electric telescopic handle, the cooperation of activity hole and accomodate groove two is used, finally reach this the folding purpose of teaching chi for mathematical design, use through connecting block and electric telescopic handle's cooperation, promote the cover box rebound, finally reach the purpose with adjustable angle, this a teaching chi utensil for mathematical design is equipped with foldingly, portable and angle regulation, the advantage of structure pluralism, in the use, can fold or expand according to user's specific demand, the person of facilitating the use carries the teaching chi of this mathematical design, the practicality of the teaching chi of this mathematical design has been improved.

Description

Teaching ruler for mathematical design

Technical Field

The utility model relates to an educational apparatus technical field specifically is a teaching ruler for mathematical design.

Background

Mathematics is a general means for human beings to strictly describe the abstract structure and mode of things, can be applied to any problem in the real world, and all mathematical objects are artificially defined in nature, so that the mathematics belongs to formal science, not natural science, and different mathematicians and philosophers have a series of opinions on the exact range and definition of mathematics.

In the teaching of mathematics, often can use the teaching chi of mathematical design, the most unable folding of teaching chi of current mathematical design carries inconvenience and angle and can not adjust, single structure, and inconvenient user's use has reduced the practicality of the teaching chi of mathematical design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching ruler for mathematical design possesses collapsible, portable and angle regulation, and the most unable folding of teaching ruler of having solved current mathematical design has carried inconvenience and angle and can not be adjusted to the advantage of structure pluralism, and the problem of the practicality of the teaching ruler of mathematical design has been reduced to inconvenient user's use to the single structure.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching ruler for mathematical design comprises a first storage ruler, wherein a first storage groove is formed in the bottom of the first storage ruler, a second storage ruler is rotatably connected to the rear side of the first storage ruler through a rotating shaft, a second storage groove is formed in the surface of the second storage ruler, through holes are formed in the two sides of the first storage ruler and the second storage ruler, nuts are fixedly connected to the outer sides of the two through holes, the inner walls of the two nuts are respectively in threaded connection with the first screw rod and the second screw rod, a fixing plate is rotatably connected to the front side of the first storage ruler, a connecting block is arranged above the right side of the first storage ruler, a fixing groove is formed in the rear side of the connecting block and matched with the fixing plate, a movable hole is formed in the top of the connecting block, an iron net is welded to the inner wall of the movable hole, a box is fixedly connected to the left side of the connecting block, and threaded rods are, the bearing is sleeved at one end of the threaded rod, and a push plate is fixedly connected to the outer wall of the bearing.

Preferably, the push plate is arc-shaped, and the outer wall of the push plate is coated with the corrosion-resistant coating.

Preferably, the inner wall of the accommodating groove II is rotatably connected with an electric telescopic rod through a rotating shaft, the accommodating ruler and the electric telescopic rod are respectively provided with a mounting hole matched with the screw rod I and the screw rod II, and the front end of the electric telescopic rod is fixedly connected with the movable hole.

Preferably, one end of the threaded rod is fixedly connected with a hand wheel, and the surface of the hand wheel is provided with an anti-skidding groove.

Preferably, the top and the bottom of push pedal all fixedly connected with stopper, the spacing groove has all been seted up to the top and the bottom of cover box inner chamber, stopper and spacing groove looks adaptation.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model, through the matching use of the first storage groove, the second storage ruler, the electric telescopic rod, the movable hole and the second storage groove, finally achieves the purpose that the teaching ruler for mathematical design can be folded, through the matching use of the connecting block and the electric telescopic rod, the sleeve box is pushed to move upwards, and finally achieves the purpose of angle adjustment, the hand wheel is rotated, through the matching use of the two push plates, the chalk is finally fixed, the teaching ruler for mathematical design is foldable, convenient to carry and adjustable in angle, and diversified in structure, can be folded or unfolded according to the specific requirements of a user in the using process, is convenient for the user to carry the teaching ruler for mathematical design, improves the practicability of the teaching ruler for mathematical design, solves the problems that most teaching rulers for the prior mathematical design can not be folded and inconvenient to carry and the angle can not be adjusted, the structure is single, the use of an inconvenient user is avoided, and the problem of practicability of the teaching ruler for mathematical design is reduced.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of A in FIG. 1 according to the present invention;

FIG. 3 is a schematic perspective view of a partial structure of the present invention;

fig. 4 is a schematic sectional view of the sleeve structure of the present invention.

In the figure: 1. a first storage ruler; 2. a first accommodating groove; 3. a through hole; 4. a nut; 5. a first screw rod; 6. a second accommodating ruler; 7. a second accommodating groove; 8. an electric telescopic rod; 9. connecting blocks; 10. a kit; 11. a threaded rod; 12. a hand wheel; 13. a bearing; 14. pushing the plate; 15. a limiting block; 16. a limiting groove; 17. a fixing plate; 18. fixing grooves; 19. a movable hole; 20. and a second screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a teaching ruler for mathematical design comprises a first storage ruler 1, wherein the bottom of the first storage ruler 1 is provided with a first storage groove 2, the rear side of the first storage ruler 1 is rotatably connected with a second storage ruler 6 through a rotating shaft, the surface of the second storage ruler 6 is provided with a second storage groove 7, both sides of the first storage ruler 1 and the second storage ruler 6 are provided with through holes 3, the outer sides of the two through holes 3 are fixedly connected with nuts 4, the inner walls of the two nuts 4 are respectively in threaded connection with a first screw rod 5 and a second screw rod 20, the front side of the first storage ruler 1 is rotatably connected with a fixed plate 17, a connecting block 9 is arranged above the right side of the first storage ruler 1, the rear side of the connecting block 9 is provided with a fixed groove 18, the fixed groove 18 is matched with the fixed plate 17, the top of the connecting block 9 is provided with a movable hole 19, the inner wall of the second storage groove 7 is rotatably connected with an electric telescopic rod 8 through the rotating shaft, the second storage ruler 6, the front end of an electric telescopic rod 8 is fixedly connected with a movable hole 19, the height of a connecting block 9 can be adjusted through the arrangement of the electric telescopic rod 8, and further the angle of the teaching ruler is adjusted, an iron net is welded on the inner wall of the movable hole 19, a sleeve box 10 is fixedly connected on the left side of the connecting block 9, threaded rods 11 are respectively arranged on the front side and the rear side of the inner cavity of the sleeve box 10, a hand wheel 12 is fixedly connected with one end of each threaded rod 11, anti-slip grooves are arranged on the surface of the hand wheel 12, the threaded rod 11 is convenient for a user to better rotate through the arrangement of the hand wheel 12, so that chalk is better fixed, a bearing 13 is sleeved at one end of the threaded rod 11, a push plate 14 is fixedly connected with the outer wall of the bearing 13, the shape of the push plate 14 is arc-shaped, a corrosion-resistant coating is coated on the outer wall, limit, the limiting block 15 is matched with the limiting groove 16, and the limiting groove 16 and the limiting block 15 are arranged to limit and guide the push plate 14.

The working principle is as follows: the utility model discloses during the use, specific following step that divide into:

the method comprises the following steps: when measurement is needed, the fixing plate 17 is pushed into an inner cavity of the fixing groove 18 to be clamped, the first screw rod 5 is rotated to be matched with the through hole 3 through the nut 4, the first screw rod 5 is separated from the mounting hole, the locking state of the second accommodating ruler 6 is released, the second accommodating ruler 6 is unfolded, the second screw rod 20 is rotated to be matched with the through hole 3 through the nut 4, the second screw rod 20 is separated from the mounting hole, the locking state of the electric telescopic rod 8 is released, the electric telescopic rod 8 is unfolded, the electric telescopic rod 8 is opened, the front end of the electric telescopic rod 8 extends to the inner cavity of the connecting block 9, the connecting block 9 is driven to move upwards through a grid of an iron net on the inner wall of the movable hole 19, and the connecting block 9 drives the first accommodating ruler 1 to move upwards to;

step two: when the storage is needed, the connecting block 9 is detached by pushing the fixing plate 17, the electric telescopic rod 8 is started, after the front end of the electric telescopic rod 8 is completely contracted, the electric telescopic rod 8 is pushed to the inner cavity of the storage groove II 7, the screw rod II 20 is rotated to be matched with the through hole 3 through the nut 4, the screw rod II 20 penetrates through the mounting hole to lock the electric telescopic rod 8, the storage ruler II 6 is pushed to the inner cavity of the storage groove I2, the screw rod I5 is rotated to be matched with the through hole 3 through the nut 4, the screw rod I5 penetrates through the mounting hole, and the storage ruler II 6 is locked;

step three: the chalk is placed in the inner cavity of the sleeve box 10, the hand wheel 12 is rotated, the hand wheel 12 drives the limiting block 15 to move in the inner cavity of the limiting groove 16 through the bearing 13, and therefore the chalk fixing effect is achieved.

In summary, the following steps: the teaching ruler for mathematical design finally achieves the purpose that the teaching ruler for mathematical design is foldable through the matched use of the first accommodating groove 2, the second accommodating groove 6, the electric telescopic rod 8, the movable hole 19 and the second accommodating groove 7, the sleeve box 10 is pushed to move upwards through the matched use of the connecting block 9 and the electric telescopic rod 8, the purpose of adjusting the angle is finally achieved, the hand wheel 12 is rotated, the chalk is finally fixed through the matched use of the two push plates 14, the teaching ruler for mathematical design is foldable, convenient to carry and adjustable in angle, and diversified in structure, can be folded or unfolded according to the specific requirements of a user in the using process, the user can conveniently carry the teaching ruler for mathematical design, the practicability of the teaching ruler for mathematical design is improved, and the problem that the existing teaching ruler for mathematical design cannot be folded mostly is solved, the portable teaching ruler is inconvenient to carry, the angle of the portable teaching ruler can not be adjusted, the structure is single, the use of an inconvenient user is achieved, and the problem of practicability of the teaching ruler for mathematical design is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a teaching chi for mathematical design, is including accomodating chi one (1), its characterized in that: the bottom of the first storage ruler (1) is provided with a first storage groove (2), the rear side of the first storage ruler (1) is rotatably connected with a second storage ruler (6) through a rotating shaft, the surface of the second storage ruler (6) is provided with a second storage groove (7), through holes (3) are respectively formed in two sides of the first storage ruler (1) and the second storage ruler (6), nuts (4) are fixedly connected to the outer sides of the two through holes (3), the inner walls of the two nuts (4) are respectively in threaded connection with a first screw rod (5) and a second screw rod (20), the front side of the first storage ruler (1) is rotatably connected with a fixed plate (17), a connecting block (9) is arranged above the right side of the first storage ruler (1), the rear side of the connecting block (9) is provided with a fixed groove (18), the fixed groove (18) is matched with the fixed plate (17), and the top of the connecting block (9) is provided with a movable, the inner wall welding of activity hole (19) has the iron mesh, the left side fixedly connected with cover box (10) of connecting block (9), the front side and the rear side of cover box (10) inner chamber all are provided with threaded rod (11), bearing (13) have been cup jointed to the one end of threaded rod (11), the outer wall fixedly connected with push pedal (14) of bearing (13).

2. A teaching ruler for mathematical design according to claim 1, wherein: the push plate (14) is arc-shaped, and the outer wall of the push plate is coated with a corrosion-resistant coating.

3. A teaching ruler for mathematical design according to claim 1, wherein: the inner wall of the accommodating groove II (7) is connected with an electric telescopic rod (8) in a rotating mode through a rotating shaft, the accommodating ruler II (6) and the electric telescopic rod (8) are respectively provided with mounting holes matched with the screw rod I (5) and the screw rod II (20), and the front end of the electric telescopic rod (8) is fixedly connected with the movable hole (19).

4. A teaching ruler for mathematical design according to claim 1, wherein: one end fixedly connected with hand wheel (12) of threaded rod (11), the surface of hand wheel (12) is provided with anti-skidding recess.

5. A teaching ruler for mathematical design according to claim 1, wherein: the top and the bottom of push pedal (14) all fixedly connected with stopper (15), spacing groove (16) have all been seted up to the top and the bottom of cover box (10) inner chamber, stopper (15) and spacing groove (16) looks adaptation.