CN217333521U

CN217333521U - Gravimetry demonstration device

Info

Publication number: CN217333521U
Application number: CN202220998065.XU
Authority: CN
Inventors: 姚鑫
Original assignee: Henan Normal University
Current assignee: Henan Normal University
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-30
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to a presentation device technical field especially relates to a gravimetry presentation device. The gravimetry presentation device comprises a supporting seat, a falling assembly, a display assembly and a supporting assembly, wherein the supporting column is installed at the top of the supporting seat, a supporting plate is installed at the top of the supporting column, adjusting assemblies are installed on two sides of the supporting plate, connecting rods are installed on two sets of adjusting assemblies, a sliding barrel is installed at the other end of each connecting rod, a throwing frame is installed at the top of the sliding barrel, a water storage cavity is formed in the supporting seat, the two sets of water storage cavities are symmetrically arranged, the display assembly is installed in the water storage cavity, and the supporting assembly is installed at the bottom of the supporting seat. The utility model provides a gravimetry presentation device has and carries out gravity demonstration contrast to the steel ball of two sets of not equidimensions when can using to the advantage of seeing out the gravity difference that receives of two sets of steel balls that can understand.

Description

Gravimetry presentation device

Technical Field

The utility model relates to a presentation device technical field especially relates to a gravimetry presentation device.

Background

Physics is the subject of studying the most general laws of motion and basic structures of substances. As the leading subjects of natural science, physics studies the most basic motion forms and laws of all substances, such as universe and basic particles, and thus becomes the basis of the research of other natural scientific subjects, and there are many subjects included in physics, including gravilogy.

Present general presentation device is that directly falls down the steel ball from the eminence, carries out the gravity demonstration, but can't carry out the gravity demonstration contrast to the steel ball of two sets of different weight, when two sets of steel balls fall down moreover, can't audio-visual see the impact force that two sets of steel balls fell, and then be not convenient for demonstrate the teaching to the student.

Therefore, there is a need to provide a new gravimetry demonstration apparatus to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can carry out gravity demonstration contrast to two sets of not equidimension steel balls when using to the gravimetry presentation device who sees the gravity difference that receives of two sets of steel balls that can understand.

The utility model provides a gravimetry presentation device includes: a supporting seat;

the device comprises a falling assembly, a support frame, a plurality of groups of adjusting assemblies, a plurality of groups of connecting rods, a plurality of groups of sliding cylinders and a plurality of groups of lifting mechanisms, wherein the falling assembly comprises a support column, a support plate, the connecting rods and the sliding cylinders;

the display component is arranged in the water storage cavity;

the supporting component is installed at the bottom of the supporting seat.

Preferably, the adjusting part includes rotor plate and bull stick, all be equipped with the mounting groove on the both ends lateral wall of backup pad, it is connected with the bull stick to rotate on the inner wall of mounting groove, the fixed rotor plate that has cup jointed on the pole wall of bull stick, the one end that the slide cartridge was kept away from to the connecting rod is connected with the lateral wall of rotor plate, still install spacing subassembly on the lateral wall of backup pad.

Preferably, spacing subassembly includes fixed plate and bolt, the fixed plate is installed on the lateral wall of backup pad, bolt threaded connection is on the lateral wall of fixed plate, the lateral wall that the backup pad was passed to the one end of bull stick outwards extends, just the bull stick is located the outside one end of backup pad and is equipped with the screw with bolt matched with.

Preferably, the display module includes clamp plate, spring and display frame, the clear water is equipped with to the inside in water storage chamber, clamp plate sliding connection is on the inner wall in water storage chamber, be connected with the spring between the bottom of clamp plate and the inner bottom wall in water storage chamber, the display frame is installed on the lateral wall of support column, just the inner wall of supporting seat is equipped with the tye, just the tye is linked together with display frame and water storage chamber.

Preferably, the top of the pressure plate is provided with a blocking frame.

Preferably, an inserting plate is connected to the side wall of the sliding barrel in a sliding mode.

Preferably, the supporting component comprises screw cylinders, a screw rod and suckers, the screw cylinders are respectively connected to four corners of the bottom of the supporting seat in a rotating mode, the screw rods are connected to the inner portions of the screw cylinders in a threaded mode, and the suckers are installed at the bottom of the screw rods.

Compared with the prior art, the utility model provides a gravimetry presentation device has following beneficial effect:

the utility model provides a gravimetry presentation device falls down the steel ball of two sets of different weights simultaneously from the eminence through two sets of whereabouts subassemblies to can find out to carry out gravity whereabouts demonstration contrast to the steel ball of two sets of not equidimensions, and can also adjust the angle of steel ball whereabouts through adjusting part, be convenient for obtain the demonstration effect under the different conditions, can audio-visually see the produced gravity size of steel ball whereabouts through the display module moreover.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a gravimetry demonstration apparatus according to the present invention;

fig. 2 is a schematic structural view of the gravilogy demonstration apparatus shown in fig. 1;

fig. 3 is a schematic view of the internal structure of the gravimetry demonstration apparatus shown in fig. 1;

fig. 4 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. a supporting seat; 11. a water storage cavity; 12. a launder; 2. a drop assembly; 21. a support pillar; 22. a support plate; 221. mounting grooves; 23. a connecting rod; 24. a slide cylinder; 241. a putting frame; 3. an adjustment assembly; 31. a rotating plate; 32. a rotating rod; 4. a limiting component; 41. a fixing plate; 42. a bolt; 5. a display component; 51. pressing a plate; 511. a blocking frame; 52. a spring; 53. a display frame; 6. a support assembly; 61. a screw cylinder; 62. a screw rod; 63. a suction cup; 7. and (4) inserting plates.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Referring to fig. 1 to fig. 3, an exemplary embodiment of the present invention provides a gravimetry demonstration apparatus, which includes: the device comprises a supporting seat 1 and a falling assembly 2, wherein the falling assembly 2 comprises a supporting column 21, supporting plates 22, connecting rods 23 and sliding cylinders 24, the supporting column 21 is installed at the top of the supporting seat 1, the supporting plates 22 are installed at the top of the supporting column 21, the adjusting assemblies 3 are installed on two sides of each supporting plate 22, the connecting rods 23 are installed on two groups of adjusting assemblies 3, the sliding cylinders 24 are installed at the other ends of the connecting rods 23, and a throwing frame 241 is installed at the top of each sliding cylinder 24;

the side wall of the sliding barrel 24 is connected with an inserting plate 7 in a sliding way;

it should be noted that: two groups of steel balls with different weights are respectively placed into the two groups of sliding cylinders 24, and then the inserting plates 7 on the side walls of the two groups of sliding cylinders 24 are simultaneously drawn out, so that the two groups of steel balls with different weights fall from the sliding cylinders 24, and further gravity falling demonstration comparison can be carried out on the two groups of steel balls with different weights.

In the embodiment of the present invention, please refer to fig. 1 and 4, the adjusting assembly 3 includes a rotating plate 31 and a rotating rod 32, the side walls of the two ends of the supporting plate 22 are respectively provided with a mounting groove 221, the inner wall of the mounting groove 221 is rotatably connected with the rotating rod 32, the rotating plate 31 is fixedly sleeved on the rod wall of the rotating rod 32, one end of the connecting rod 23 far away from the sliding cylinder 24 is connected with the side wall of the rotating plate 31, and the side wall of the supporting plate 22 is further provided with a limiting assembly 4;

the limiting assembly 4 comprises a fixing plate 41 and a bolt 42, the fixing plate 41 is mounted on the side wall of the support plate 22, the bolt 42 is in threaded connection with the side wall of the fixing plate 41, one end of the rotating rod 32 penetrates through the side wall of the support plate 22 to extend outwards, and a screw hole matched with the bolt 42 is formed in one end, located outside the support plate 22, of the rotating rod 32;

it should be noted that: the angle of the sliding cylinder 24 can be adjusted through the rotating plate 31, and after the angle of the sliding cylinder 24 is adjusted, the bolt 42 is rotated to be screwed into the screw hole in the end face of the rotating rod 32, so that the position of the sliding cylinder 24 is fixed, and gravity demonstration can be performed on steel balls under different conditions.

In the embodiment of the present invention, please refer to fig. 3, the display module 5 includes a pressing plate 51, a spring 52 and a display frame 53, clear water is filled in the water storage cavity 11, the pressing plate 51 is slidably connected to the inner wall of the water storage cavity 11, the spring 52 is connected between the bottom of the pressing plate 51 and the inner bottom wall of the water storage cavity 11, the display frame 53 is installed on the side wall of the supporting column 21, the inner wall of the supporting seat 1 is provided with a water flowing groove 12, and the water flowing groove 12 is communicated with the display frame 53 and the water storage cavity 11;

it should be noted that: when the steel ball slides down from the sliding cylinder 24, the steel ball hits the pressing plate 51, so that the pressing plate 51 slides downwards and drives the spring 52 to compress, the pressing plate 51 can press the water in the water storage cavity 11, and the water is pressed into the display frame 53 through the water flowing groove 12, so that students can judge which group of steel balls has larger gravity when falling by watching the water level in the display frame 53, when the steel ball is taken up, the spring 52 is relieved from the force, the pressing plate 51 is driven to move upwards to reset, and the water in the display frame 53 flows back into the water storage cavity 11 again.

Wherein, the top of the pressing plate 51 is provided with a blocking frame 511; the blocking frame 511 can prevent the steel balls from falling onto the ground when falling onto the pressing plate 51.

In the embodiment of the present invention, referring to fig. 1, the supporting assembly 6 includes screw cylinders 61, a screw rod 62 and a suction cup 63, the four screw cylinders 61 are respectively rotatably connected to four corners of the bottom of the supporting base 1, the screw rod 62 is screwed inside the four screw cylinders 61, and the suction cup 63 is installed at the bottom of the screw rod 62;

it should be noted that: adsorb each group's sucking disc 63 on the desktop, if the desktop is uneven, can rotate each group's spiral shell section of thick bamboo 61 according to the condition, adjust each group's spiral shell section of thick bamboo 61's height, be convenient for make supporting seat 1 supported by the level, the gravity demonstration work of being convenient for.

The utility model provides a gravimetry presentation device's theory of operation as follows:

firstly, adsorbing each group of sucking discs 63 on a table top, if the table top is uneven, rotating each group of screw cylinders 61 according to conditions, adjusting the height of each group of screw cylinders 61, conveniently enabling the supporting base 1 to be horizontally supported, and conveniently carrying out gravity demonstration work, then respectively placing two groups of steel balls with different weights into two groups of sliding cylinders 24, simultaneously drawing out the inserting plates 7 on the side walls of the two groups of sliding cylinders 24, enabling the two groups of steel balls with different weights to fall from the sliding cylinders 24, further carrying out gravity falling demonstration comparison on the two groups of steel balls with different weights, further adjusting the angles of the sliding cylinders 24 through the rotating plates 31, and after the angles of the sliding cylinders 24 are adjusted, rotating the bolts 42 to screw the screw holes in the end faces of the rotating rods 32 to fix the positions of the sliding cylinders 24, thereby carrying out gravity demonstration on the steel balls under different conditions;

when the steel ball slides from the sliding cylinder 24, the steel ball hits the pressing plate 51, so that the pressing plate 51 slides downwards and drives the spring 52 to compress, the pressing plate 51 can press water in the water storage cavity 11, and the water is pressed into the display frame 53 through the water flowing groove 12, so that students can judge which group of steel balls has larger gravity when falling by watching the water level in the display frame 53, when the steel ball is taken up, the spring 52 is relieved by stress and drives the pressing plate 51 to move upwards to reset, and the water in the display frame 53 flows back into the water storage cavity 11 again;

therefore, gravity demonstration and comparison can be carried out on two groups of steel balls with different sizes in time, and the gravity difference between the two groups of steel balls can be clearly seen.

The utility model discloses circuit and control that relate to are prior art, do not carry out too much repetition here.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. A gravimetry demonstration apparatus comprising:

a support base (1);

the device comprises a falling assembly (2), wherein the falling assembly (2) comprises a supporting column (21), supporting plates (22), connecting rods (23) and sliding cylinders (24), the supporting column (21) is installed at the top of a supporting seat (1), the supporting plates (22) are installed at the top of the supporting column (21), adjusting assemblies (3) are installed on two sides of each supporting plate (22), the connecting rods (23) are installed on two groups of adjusting assemblies (3), the sliding cylinders (24) are installed at the other ends of the connecting rods (23), and a throwing frame (241) is installed at the top of each sliding cylinder (24);

the display device comprises a display component (5), wherein two groups of symmetrically arranged water storage cavities (11) are formed in the supporting seat (1), and the display component (5) is arranged in the water storage cavities (11);

the supporting component (6), the supporting component (6) is installed at the bottom of the supporting seat (1).

2. The gravimetry demonstration device according to claim 1, wherein the adjusting assembly (3) comprises a rotating plate (31) and a rotating rod (32), the side walls of both ends of the supporting plate (22) are respectively provided with a mounting groove (221), the inner wall of the mounting groove (221) is rotatably connected with the rotating rod (32), the rotating plate (31) is fixedly sleeved on the rod wall of the rotating rod (32), one end of the connecting rod (23) far away from the sliding cylinder (24) is connected with the side wall of the rotating plate (31), and the side wall of the supporting plate (22) is further provided with a limiting assembly (4).

3. The gravity demonstration device according to claim 2, wherein the limiting assembly (4) comprises a fixing plate (41) and a bolt (42), the fixing plate (41) is mounted on the side wall of the supporting plate (22), the bolt (42) is screwed on the side wall of the fixing plate (41), one end of the rotating rod (32) extends outwards through the side wall of the supporting plate (22), and one end of the rotating rod (32) located outside the supporting plate (22) is provided with a screw hole matched with the bolt (42).

4. The gravimetry demonstration device according to claim 1, characterized in that the display module (5) comprises a pressing plate (51), a spring (52) and a display frame (53), clear water is filled in the water storage cavity (11), the pressing plate (51) is slidably connected to the inner wall of the water storage cavity (11), the spring (52) is connected between the bottom of the pressing plate (51) and the inner bottom wall of the water storage cavity (11), the display frame (53) is mounted on the side wall of the supporting column (21), the inner wall of the supporting base (1) is provided with a water flowing groove (12), and the water flowing groove (12) is communicated with the display frame (53) and the water storage cavity (11).

5. The gravitional demonstration device according to claim 4, characterized in that a stop frame (511) is mounted on top of said pressure plate (51).

6. A gravimetric demonstration device according to claim 1 wherein an insert plate (7) is slidably attached to the side wall of said slide (24).

7. The gravimetry demonstration device according to claim 1, wherein the support assembly (6) comprises screw cylinders (61), a screw rod (62) and a suction cup (63), the four groups of screw cylinders (61) are respectively and rotatably connected to the four corners of the bottom of the support base (1), the screw rod (62) is in threaded connection with the insides of the four groups of screw cylinders (61), and the suction cup (63) is mounted at the bottom of the screw rod (62).