CN219435430U

CN219435430U - Mechanics demonstrator convenient to show

Info

Publication number: CN219435430U
Application number: CN202320374570.1U
Authority: CN
Inventors: 曹建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-28
Anticipated expiration: 2033-03-02

Abstract

The application discloses mechanics demonstrator convenient to show, including PMKD and lift adjustment mechanism, top stay bar, first fixed block, demonstration car and the demonstration groove of setting in PMKD one side, PMKD top symmetry fixed connection top stay bar, lift adjustment mechanism includes the lifter, lifter sliding connection top stay bar is inside. In order to improve the universality of the demonstrator, the rotating handle is rotated, the rotating handle drives the second sprocket fixedly connected with the rotating handle to rotate, the second sprocket drives the chain with the meshed surfaces to rotate, the chain drives the first sprocket with the meshed inner two sides to rotate, the first sprocket drives the threaded rod with the fixedly connected top to rotate, the threaded rod drives the lifting rod with the threaded surface to move up and down in the jacking rod, and the lifting rod drives the demonstration groove to move up and down through the first fixing block, so that the function of convenient adjustment is realized, and the universality of the demonstration groove is realized.

Description

Mechanics demonstrator convenient to show

Technical Field

The application relates to the field of mechanical demonstrators, in particular to a mechanical demonstrator convenient to display.

Background

Physics is the discipline of studying the most general laws of substance movement and the basic structure of substances. As the science of natural science takes the head, the physical research is as large as the universe, as small as the basic particle and other substances are the most basic movement forms and rules, so that the principle forms are the research basis of other respective science subjects, and various subjects including mechanics are included in the physics, so that a mechanics demonstrator is needed for students to learn more intuitively.

However, existing demonstrators have some drawbacks: firstly, part of demonstrators are inconvenient to adjust, so that teachers or students with different heights have limitations in use, and the universality is poor; the demonstration effect of the other part of demonstrators is poor. Therefore, a mechanical demonstrator convenient to display is provided for the problems.

Disclosure of Invention

The embodiment provides a mechanical demonstrator convenient to display, which is used for solving the problems that part of demonstrators in the prior art are inconvenient to adjust and have poor universality.

According to an aspect of the application, a mechanics demonstrator convenient to show is provided, including PMKD and the lift adjustment mechanism, top vaulting pole, first fixed block, demonstration car and the demonstration groove of setting in PMKD one side, PMKD top symmetry fixed connection top vaulting pole, lift adjustment mechanism includes the lifter, lifter sliding connection top vaulting pole is inside, first fixed block of lifter top fixed connection, first fixed block top fixed connection demonstration groove, lifter internal thread connection threaded rod, the screw thread groove with threaded rod looks adaptation has been seted up to the lifter inside, demonstration inslot portion fixed connection installation slide bar, installation slide bar surface sliding connection demonstration car, demonstration car bottom and demonstration groove sliding connection, demonstration groove right side runs through and sliding connection plug-in bar, plug-in bar left side fixed connection connecting block, shape handle is returned in plug-in bar right side fixed connection.

Further, a velocimeter and a range finder are fixedly installed in the demonstration groove respectively.

Further, the threaded rod surface rotates to be connected at the bottom plate top, threaded rod bottom fixed connection first sprocket, first sprocket surface meshing connection chain, the inboard meshing connection second sprocket of chain, second sprocket top fixed connection changes the handle, it rotates to connect at the bottom plate top to change the handle.

Further, the left side fixed connection stopper of lifter, the stopper opposite side runs through and sliding connection top brace, the limit chute with stopper looks adaptation has been seted up in top brace left side.

Further, the mounting groove is formed in the plug rod, the second fixing block is connected in the mounting groove in a sliding mode, the second fixing block is fixedly connected to the top of the mounting sliding rod, the strong spring is fixedly connected to the left side of the second fixing block, and the mounting groove is fixedly connected to the other side of the strong spring.

Further, the bottom of the fixed bottom plate is fixedly connected with traveling wheels, the number of the traveling wheels is four, and the traveling wheels are uniformly distributed at the four ends of the bottom of the fixed bottom plate.

Through the above-mentioned embodiment of this application, adopted lifting adjustment mechanism, solved partial demonstrator and be inconvenient for adjusting, the relatively poor problem of commonality has guaranteed the practicality of demonstrator simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to an embodiment of the present application.

In the figure: 1. a fixed bottom plate; 2. a travelling wheel; 3. a top brace rod; 4. a lifting rod; 5. a first fixed block; 6. a first threaded rod; 7. a first sprocket; 8. a chain; 9. a second sprocket; 10. a rotating handle; 11. a limiting block; 12. limiting sliding grooves; 13. installing a sliding rod; 14. a range finder; 15. a velometer; 16. a demonstration vehicle; 17. inserting a connecting rod; 18. a loop-shaped handle; 19. a mounting groove; 20. a second fixed block; 21. a strong spring; 22. a connecting block; 23. demonstration groove.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, a mechanical demonstrator convenient to show includes a fixed bottom plate 1, and a lifting adjusting mechanism, a top stay bar 3, a first fixed block 5, a demonstration vehicle 16 and a demonstration groove 26 arranged on one side of the fixed bottom plate 1, wherein the top of the fixed bottom plate 1 is fixedly connected with the top stay bar 3, the lifting adjusting mechanism includes a lifting rod 4, the lifting rod 4 is slidably connected with the inside of the top stay bar 3, the top of the lifting rod 4 is fixedly connected with the first fixed block 5, the top of the first fixed block 5 is fixedly connected with the demonstration groove 23, the threaded rod 6 is connected with the inside of the lifting rod 4, a threaded groove matched with the threaded rod 6 is formed in the inside of the lifting rod 4, a slide bar 13 is fixedly connected and installed in the demonstration groove 23, the surface of the installation slide bar 13 is slidably connected with the demonstration vehicle 16, the bottom of the demonstration vehicle 16 is slidably connected with the demonstration groove 23, the right side of the demonstration groove 23 is penetrated and slidably connected with a plug rod 17, the left side of the plug rod 17 is fixedly connected with the plug rod 22, and the right side of the plug rod 17 is fixedly connected with a back-shaped connecting block 18.

A velocimeter 15 and a range finder 14 are fixedly arranged in the demonstration tank 23 respectively; the surface of the threaded rod 6 is rotationally connected to the top of the fixed bottom plate 1, the bottom of the threaded rod 6 is fixedly connected with a first sprocket 7, the surface of the first sprocket 7 is in meshed connection with a chain 8, the inner side of the chain 8 is in meshed connection with a second sprocket 9, the top of the second sprocket 9 is fixedly connected with a rotating handle 10, and the rotating handle 10 is rotationally connected to the top of the fixed bottom plate 1; the left side of the lifting rod 4 is fixedly connected with a limiting block 11, the other side of the limiting block 11 penetrates through and is in sliding connection with the top support rod 3, and a limiting chute 12 matched with the limiting block 11 is formed in the left side of the top support rod 3; the inside of the plug rod 17 is provided with a mounting groove 19, the inside of the mounting groove 19 is connected with a second fixed block 20 in a sliding way, the second fixed block 20 is fixedly connected to the top of the mounting slide rod 13, the left side of the second fixed block 20 is fixedly connected with a strong spring 21, and the other side of the strong spring 21 is fixedly connected with the mounting groove 19; the bottom of the fixed bottom plate 1 is fixedly connected with the traveling wheels 2, the number of the traveling wheels 2 is four, and the traveling wheels 2 are uniformly distributed at the four ends of the bottom of the fixed bottom plate 1.

When the demonstration device is used, the electric elements in the application are externally connected with a power supply and a control switch, in order to improve the universality of the demonstration device, the rotating handle 10 is rotated, the rotating handle 10 drives the second chain wheel 9 fixedly connected with the rotating handle 10 to rotate, the second chain wheel 9 drives the chain 8 with meshed surfaces to rotate, the chain 8 drives the first chain wheel 7 with meshed inner two sides to rotate, the first chain wheel 7 drives the threaded rod 6 fixedly connected with the top to rotate, the threaded rod 6 drives the lifting rod 4 with threaded surface to move up and down in the top supporting rod 3, the lifting rod 4 drives the demonstration groove 23 to move up and down through the first fixing block 5, the function of convenient adjustment is realized, and the universality of the demonstration groove 23 is realized; meanwhile, in order to improve the mechanical demonstration effect, the loop-shaped handle 18 is pulled to the right side, the loop-shaped handle 18 drives the insertion rod 17 fixedly connected to the left side to move to the right on the second fixed block 20, the second fixed block 20 simultaneously extrudes the powerful spring 21 fixedly connected with the second fixed block, the powerful spring 21 is stressed and contracted, then the demonstration vehicle 16 is placed on the left side of the connecting block 22, then the loop-shaped handle 18 is loosened, the powerful spring 21 resets and drives the connecting block 22 to move left rapidly through the insertion rod 17, the connecting block 22 impacts the demonstration vehicle 16 on the left side, the demonstration vehicle 16 slides on the installation slide rod 13 under the action of impact force, meanwhile, under the action of the range finder 14 and the velometer 15, the mechanical experiment is convenient to observe, weights with different weights are placed on the demonstration vehicle 16 so as to observe the movement speed and distance of the demonstration vehicle 16 conveniently, the demonstration effect is greatly improved, and the rationality of the structure is embodied.

The beneficial point of the application lies in:

1. in order to improve the universality of the demonstrator, the rotating handle is rotated, the rotating handle drives a second sprocket fixedly connected with the rotating handle to rotate, the second sprocket drives a chain with meshed surfaces to rotate, the chain drives a first sprocket with meshed inner two sides to rotate, the first sprocket drives a threaded rod fixedly connected with the top to rotate, the threaded rod drives a lifting rod with a threaded surface to move up and down in a top supporting rod, and the lifting rod drives a demonstration groove to move up and down through a first fixing block, so that the function of convenient adjustment is realized, and the universality of the demonstration groove is realized;

2. in order to improve the demonstration effect of mechanics, pull back shape handle to the right side, the plug-in rod of back shape handle drive left side rigid coupling moves on the second fixed block to the right side, the second fixed block extrudees the powerful spring rather than the rigid coupling simultaneously, powerful spring atress shrink, place the demonstration car in the connecting block left side afterwards, loosen back shape handle afterwards, powerful spring resets and drives the connecting block through the plug-in rod and move left rapidly, the left demonstration car of connecting block striking, the demonstration car slides on the installation slide bar under the effect of striking force, simultaneously under the effect of distancer and tachometer, be convenient for observe mechanics experiment, for more directly perceivedly observe the demonstration, place the weight of different weights on the demonstration car, be convenient for observe the travel speed and the distance of demonstration car, the demonstration effect has been greatly improved, the rationality of structure has been embodied simultaneously.

The related circuits, electronic components and modules are all in the prior art, and can be completely implemented by those skilled in the art, and needless to say, the protection of the present application does not relate to improvements of software and methods.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A mechanics demonstrator convenient to show, its characterized in that: including fixed bottom plate (1) and setting up lift adjustment mechanism, top stay bar (3), first fixed block (5), demonstration car (16) and demonstration groove (23) in fixed bottom plate (1) one side, fixed bottom plate (1) top symmetry fixed connection top stay bar (3), lift adjustment mechanism includes lifter (4), lifter (4) sliding connection top stay bar (3) is inside, lifter (4) top fixed connection first fixed block (5), first fixed block (5) top fixed connection demonstration groove (23), threaded connection threaded rod (6) in lifter (4) are inside, threaded groove with threaded rod (6) looks adaptation has been seted up in lifter (4) inside, demonstration groove (23) inside fixed connection installation slide bar (13), installation slide bar (13) surface sliding connection demonstration car (16), demonstration car (16) bottom and demonstration groove (23) sliding connection, lifter (17) are run through and sliding connection plug-in pole (17) in right side, left side fixed connection pole (17) and plug-in connection pole (17), connection plug-in connection pole (17) right side fixed connection pole (18).

2. A mechanical demonstrator for facilitating presentation as claimed in claim 1, wherein: a velocimeter (15) and a range finder (14) are fixedly arranged in the demonstration groove (23) respectively.

3. A mechanical demonstrator for facilitating presentation as claimed in claim 1, wherein: threaded rod (6) surface rotation connects at PMKD (1) top, threaded rod (6) bottom fixed connection first sprocket (7), chain (8) are connected in first sprocket (7) surface engagement, second sprocket (9) are connected in inside engagement of chain (8), second sprocket (9) top fixed connection changes handle (10), it rotates at PMKD (1) top to change handle (10) rotation connection.

4. A mechanical demonstrator for facilitating presentation as claimed in claim 1, wherein: the lifting rod (4) is fixedly connected with the limiting block (11) on the left side, the other side of the limiting block (11) penetrates through and is in sliding connection with the top supporting rod (3), and a limiting sliding groove (12) matched with the limiting block (11) is formed in the left side of the top supporting rod (3).

5. A mechanical demonstrator for facilitating presentation as claimed in claim 1, wherein: the utility model discloses a plug rod, including plug rod (17), mounting groove (19) have been seted up to plug rod (17) inside, inside sliding connection second fixed block (20) of mounting groove (19), second fixed block (20) fixed connection is at installation slide bar (13) top, powerful spring (21) are connected fixedly in second fixed block (20) left side, powerful spring (21) opposite side fixed connection mounting groove (19).

6. A mechanical demonstrator for facilitating presentation as claimed in claim 1, wherein: the bottom of the fixed bottom plate (1) is fixedly connected with the traveling wheels (2), the number of the traveling wheels (2) is four, and the traveling wheels (2) are uniformly distributed at the four ends of the bottom of the fixed bottom plate (1).