CN214541254U

CN214541254U - Multifunctional object stability detector

Info

Publication number: CN214541254U
Application number: CN202120055447.4U
Authority: CN
Inventors: 金亚军
Original assignee: Suzhou Ainiu Science And Education Equipment Co ltd
Current assignee: Suzhou Ainiu Science And Education Equipment Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-10-29
Anticipated expiration: 2031-01-11

Abstract

The utility model relates to a multifunctional object stability detector, which comprises a base, an angle prying rod movably arranged on the base, a bottom plate tiled along the length direction of the angle prying rod, and a heavy object module arranged on the surface of the bottom plate; one end of the angle prying rod is hinged with the base, and the other end of the angle prying rod is provided with a rotating handle; the bottom plate is fixed with the angle prying rod; one end of the bottom plate is provided with a barrier strip protruding from the surface of the bottom plate; the barrier strip is positioned at the hinged end of the angle prying rod; one side of the weight module is propped against the side surface of the barrier strip. The utility model discloses simple structure, the operation is used conveniently, has miniaturized and standardized characteristics, and the show experimental result that can be directly perceived accurate, the stability of experiment is good, and the reliability and the accuracy of experimental data are good, and it is effectual to experiment.

Description

Multifunctional object stability detector

Technical Field

The utility model relates to a teaching equipment field, in particular to multi-functional object stability detector.

Background

The text of 'shape and structure' unit 'high tower built up' in the textbook of the six grades of science of primary school of the textbook relates to the secret exploration activities that objects are not easy to fall down. Experiments with the teaching materials were conducted by using different amounts of water or sand in the plastic bottle and the method of placing the plastic bottle as the entry point for investigation, and then testing the stability of the plastic bottle. When testing the plastic bottle, the plastic bottle is manually stirred to judge the stability of the plastic bottle. Teaching practice has found that such tests suffer from operational instability and inaccurate experimental results. This greatly affects the validity and reasonableness of experimental exploration, and a simple and effective multifunctional object stability detector is needed for the purpose.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a multi-functional object stability detector through improving the experiment teaching aid, optimizes stability and accuracy, has solved current experiment teaching aid and has experimented through manual operation, has the unsafe problem of operation and experimental result inaccuracy.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a multifunctional object stability detector comprises

A base;

the angle prying rod is movably arranged on the base; one end of the angle prying rod is hinged with the base, and the other end of the angle prying rod is provided with a rotating handle;

the bottom plate is flatly laid along the length direction of the angle prying rod; the bottom plate is fixed with the angle prying rod; one end of the bottom plate is provided with a barrier strip protruding from the surface of the bottom plate; the barrier strip is positioned at the hinged end of the angle prying rod;

and a weight module disposed on a surface of the base plate; one side of the weight module is abutted against the side face of the barrier strip.

As a preferable scheme of the utility model, the scheme further comprises a protractor; the protractor is arranged on the side face of the angle prying rod and is used for measuring the lifting angle of the angle prying rod.

As an optimized proposal of the utility model, the angle prying rod is a L-shaped straight long rod structure.

As a preferred scheme of the utility model, a limiting block is adhered on the angle prying rod; the limiting block and the angle prying rod limit the position of the bottom plate, so that the bottom plate and the angle prying rod rotate synchronously.

As a preferred scheme of the utility model, the weight modules are multiple; the weight modules have different shapes.

As a preferred scheme of the utility model, the heavy object module is formed by splicing an upper module and a lower module; the density of the upper module and the lower module is different.

As an optimized scheme of the utility model, go up the module and peg graft or cup joint with lower module.

The utility model discloses following beneficial effect has: the utility model discloses simple structure, the operation is used conveniently, has miniaturized and standardized characteristics, and the show experimental result that can be directly perceived accurate, the stability of experiment is good, and the reliability and the accuracy of experimental data are good, and it is effectual to experiment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. base 2, angle pry pole 3, bottom plate

4. The stop strip 5, the weight module 6 and the protractor.

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 efforts belong to the protection scope of the present invention.

With reference to fig. 1, the present invention relates to a multi-functional object stability detector, which is used as an experimental teaching aid to show the exploration of the secret that the object is not easy to fall. The utility model discloses a base 1, movable mounting move pole 2 in the angle prying on base 1, move the bottom plate 3 that pole 2 length direction tiling set up along the angle prying to and place the heavy object module 5 on bottom plate 3 surfaces. One end of the angle prying rod 2 is hinged with the base 1, and the other end of the angle prying rod is provided with a rotating handle. The bottom plate 3 is fixed with the angle prying rod 2; one end of the bottom plate 3 is provided with a barrier strip 4 protruding from the surface of the bottom plate 3; the blend stop 4 is located at the hinged end of the angle prying rod 2. One side of the weight module 5 is abutted against the side surface of the barrier strip 4.

In order to improve the accuracy of experimental data, the utility model discloses can also set up protractor 6. The protractor 6 is arranged on the side surface of the angle prying rod 2 and is used for measuring the lifting angle of the angle prying rod 2.

In order to improve the stability of the installation of the bottom plate 3, the angle prying rod 2 is of an L-shaped straight long rod structure. A limiting block is adhered to the angle prying rod 2; the limiting block and the angle prying rod 2 limit the position of the bottom plate 3, so that the bottom plate 3 and the angle prying rod 2 synchronously rotate.

In order to better show the influence factors of the standing stability of the object, the weight modules 5 are multiple; the shape of the different weight modules 5 is different. Meanwhile, part of the weight modules 5 can be formed by splicing an upper module and a lower module; the density of the upper and lower modules is different. Preferably, the upper module is inserted into or sleeved with the lower module.

The utility model discloses an experiment teaching aid can be made by the student by hand. Specifically, the following is exemplified.

Firstly, material preparation:

1. processing a tool:

polishing machine, electric drill, Kafter AB glue, screwdriver and wrench.

2. Preparing materials:

(1) one piece of organic glass with the thickness of 0.4cm and the side length of 13cm, one piece of organic glass with the thickness of 0.7cm multiplied by 10cm, one piece of organic glass with the thickness of 0.4cm multiplied by 2cm, one piece of organic glass with the thickness of 0.2cm multiplied by 1.5cm and one piece of organic glass with the thickness of 0.2cm multiplied by 2 cm.

(2) One piece of 20cm L type stainless steel with the height of 0.9cm, the width of 1.5cm and the length of 0.4cm multiplied by 7cm, a plurality of thin stainless steel pieces with the thickness of 0.9cm multiplied by 7cm, one piece of 0.5cm multiplied by 3cm thin stainless steel pieces, one piece of 16cm L type stainless steel with the height of 1.5cm, the width of 1.5cm and the length of 1.5cm, a plurality of screws, screw caps, gaskets and spring gaskets with the diameter of 0.4cm, one piece of small plastic protractor 6, one piece of 0.5cm multiplied by 2cm of organic glass with the thickness of 0.4cm and one piece of 0.9cm multiplied by 7cm of organic glass with the thickness of 0.4 cm.

Secondly, the manufacturing method comprises the following steps:

1. and (3) processing a bottom plate 3 for placing objects: the left side center of the organic glass with the thickness of 0.4cm and the side length of 13cm is fixed by a 0.7cm multiplied by 10cm piece of organic glass with the thickness of 0.2cm by a Kafter AB glue, and the inner side of the left side corner is longitudinally pasted by the Kafter AB glue with the thickness of 0.4cm multiplied by 2 cm. Organic glass with the thickness of 0.2cm, 1.5cm multiplied by 2cm and 1.5cm multiplied by 1.5cm is respectively stuck on the left side and the right side of the bottom of the inner side by a Kafft AB adhesive, and attention is paid to the alignment of corners.

2. The object detection angle lifting device is processed: (1) manufacturing a base 1: a plurality of 0.4cm multiplied by 7cm thin stainless steel sheets are adhered to the front corner of the inner side of the left high side of the stainless steel with the height of 1.5cm, the width of 1.5cm and the length of 16cm L by a Kafft AB adhesive, and the total thickness is about 0.3 cm. A small hole with the diameter of 0.4cm is drilled in the center of the left side of the stainless steel sheet with the thickness of 0.9cm multiplied by 7cm by an electric drill. Polishing a screw rod cap with the diameter of 0.4cm by using a polishing machine, leaving a little residue, sleeving the screw rod into a small hole of a stainless steel sheet with the thickness of 0.9cm multiplied by 7cm outwards, and sticking the screw rod cap and the small hole together to the inner side of a thin stainless steel sheet with the thickness of 0.4cm multiplied by 7 cm. And a bent thin stainless steel sheet of 0.5cm multiplied by 3cm is stuck to one side of the left end of the gap area at the inner side of the upper part after being stuck so as to be used for fixing the plastic protractor 6. (2) Manufacturing an angle prying rod 2: a stainless steel sheet of 1.1cm × 6cm is cut from the inner side of the right end of a wide side of a stainless steel of 0.9cm high, 1.5cm wide and 20cm long by a polishing machine, and plexiglass of 0.9cm × 7cm thick and 0.4cm thick is stuck to the inner side (note that the plexiglass is cut at the lower left corner by 1cm × 0.4 cm). A small hole with the diameter of 0.4 is drilled in the center of the top end of the left side, and 0.5cm multiplied by 2cm (the height space of 0.5cm is reserved below) of organic glass with the thickness of 0.4cm is pasted on the right side of the small hole. (3) Material assembly: the small hole at the left end of the angle prying rod 2 is sleeved into a 0.4cm screw at the left side of the base 1, and a gasket, a spring gasket, a gasket and a nut are sleeved outside the angle prying rod respectively and screwed to a proper position. The protractor 6 is sleeved into the gap on the inner side of the base 1, and the object placing bottom plate 3 is sleeved into the corner on the left side of the angle prying rod 2.

3. Manufacturing a weight module 5: the bottom surfaces of the two heavy object modules 5 are square, the side length of the bottom edge is 4cm, and the height is 12 cm. The transverse widths of the upper bottom surfaces of the large module and the small module are respectively 0cm, 2cm, 4cm and 6 cm. The weight module 5 can also be divided into two-section or three-section structures, and the weight module 5 is connected by splicing, preferably by splicing or splicing, so that the weight module 5 is light from top to bottom or light from top to bottom, or the center of gravity is in the middle.

Thirdly, the using method comprises the following steps:

1. the multifunctional object stability detector is placed steadily.

2. The weight module 5 is placed stably on the left side of the bottom plate 3 and abuts against the barrier strip 4. The relevant test is performed by replacing a different weight module 5.

3. The left hand presses the right side of the base 1, the right hand slowly lifts the angle prying rod 2, and when the lever is pried to a corresponding position, an object is toppled over, and then the lever stops being pried.

4. The inclination angle of the protractor 6 is read.

The utility model has the advantages of simple structure, experimental standard, it is miniaturized, multi-functional, the data is reliable.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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. A multifunctional object stability detector is characterized by comprising

A base;

2. The multi-functional object stability detector of claim 1, further comprising a protractor; the protractor is arranged on the side face of the angle prying rod and is used for measuring the lifting angle of the angle prying rod.

3. The multi-functional object stability detector of claim 2, wherein the angle pry bar is an L-shaped straight and long bar structure.

4. The multi-functional object stability detector of claim 3, wherein a stop block is adhered to the angular pry bar; the limiting block and the angle prying rod limit the position of the bottom plate, so that the bottom plate and the angle prying rod rotate synchronously.

5. The multi-functional object stability detector of claim 4, wherein the weight module is a plurality of pieces; the weight modules have different shapes.

6. The multi-functional object stability detector of claim 5, wherein said weight module is formed by splicing an upper module and a lower module; the density of the upper module and the lower module is different.

7. The multi-functional object stability detector of claim 6, wherein said upper module is plugged or socketed with a lower module.