CN218601966U

CN218601966U - Buoyancy test robot for physics teaching

Info

Publication number: CN218601966U
Application number: CN202222357169.5U
Authority: CN
Inventors: 李星墨
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-03-10
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a buoyancy test robot for physical teaching relates to physics teaching equipment technical field, including the installing frame, the inner wall of installing frame rotates and is connected with the pivot, the fixed surface of pivot is connected with the circular block, the fixed surface of circular block is connected with transparent water tank. The utility model relates to a rational in infrastructure, it can be through transparent water tank, buoyancy test mechanism, cooperation between control mechanism and the contrast mechanism, it is comparatively simple to have solved the equipment that carries out the experiment to the buoyancy direction among the prior art, need incline the manual slope of water tank when creating the variable, judge whether influence the buoyancy direction, and the water tank of flourishing water is heavy to operate comparatively inconveniently, can make water acutely rock or spill, mr also can influence the change that the student observed the experiment when the operation, and the slope water tank has certain danger, it is not very convenient to lead to the experiment operation, still can influence the problem that the student observed the experience of experimental phenomenon.

Description

Buoyancy test robot for physics teaching

Technical Field

The utility model relates to a physics teaching equipment technical field specifically is a buoyancy test robot for physics teaching.

Background

In a small experiment of primary school physics related to buoyancy, the relation between buoyancy and density and the influence of the relation between buoyancy and object gravity on an object can be related, salt can be added into water to increase the density of the water so that the originally sunk object gradually floats, and students can observe the experiment phenomenon.

But the equipment of experimenting buoyancy direction among the prior art is comparatively simple, need during the creation variable with the manual slope of water tank, judge whether influence buoyancy direction, and the water tank that contains full water is more heavy to be operated comparatively inconveniently, can make water acutely rock or spill, mr also can influence the change that the student observed the experiment when the operation, the water tank that inclines has certain danger moreover, leads to the experiment operation to get up inconvenient, still can influence the experience that the student observed the experimental phenomenon. Therefore, the buoyancy test robot for physics teaching is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a buoyancy test robot for physical teaching in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a buoyancy test robot for physical teaching, includes the installing frame, the inner wall of installing frame rotates and is connected with the pivot, the fixed surface of pivot is connected with the circular block, the fixed surface of circular block is connected with transparent water tank, the fixed intercommunication in one side of transparent water tank has the outlet pipe, the fixed surface of circular block is connected with tooth, the below of transparent water tank is equipped with control mechanism, one side of transparent water tank is equipped with contrast mechanism, the inside of transparent water tank is equipped with buoyancy accredited testing organization.

Furthermore, control mechanism includes the mounting bracket of fixed connection in the installing frame bottom surface, the inside of mounting bracket is rotated and is connected with the lead screw, the one end fixedly connected with gear motor of lead screw, gear motor's surface and the bottom surface fixed connection of installing frame.

Furthermore, the outer surface of the screw rod is in threaded connection with a toothed plate, the toothed plate is located below the teeth, and the toothed plate and the teeth are meshed with each other.

Furthermore, the outer fixed surface of mounting bracket is connected with the gag lever post, the gag lever post is located the below of lead screw, the surface of pinion rack is run through to the one end of gag lever post.

Further, contrast mechanism is including seting up the spout at the installing frame upper surface, the inner wall fixedly connected with slide bar of spout, the surface sliding connection of slide bar has the removal frame, the surface of removal frame and the inner wall sliding connection of spout.

Further, the outer fixed surface that removes the frame is connected with the contrast rope, the contrast rope is kept away from the one end fixedly connected with of removing the frame and is hung down the piece.

Further, the buoyancy testing mechanism comprises a T-shaped block fixedly connected to the inner bottom wall of the transparent water tank, an installation block is connected to the outer surface of the T-shaped block in a sliding mode, a connection rope is fixedly connected to the outer surface of the installation block, and a testing ball is fixedly connected to one end, far away from the installation block, of the connection rope.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the buoyancy test robot for physical teaching has the following beneficial effects:

1. the utility model discloses a transparent water tank, buoyancy test mechanism, cooperation between control mechanism and the contrast mechanism, buoyancy test mechanism can not float after adding water in to transparent water tank, then add salt to the aquatic gradually, observe and finally can float along with adding salt buoyancy test mechanism, thereby the relation of density and buoyancy has been proven, and be greater than the gravity of object when buoyancy, the object will come up, it aims at buoyancy test mechanism to remove contrast mechanism this moment, it is the same vertical with contrast mechanism to observe the direction of buoyancy this moment, then start control mechanism, make transparent water tank slope to both sides around respectively, it aims at buoyancy test mechanism to all to remove contrast mechanism when inclining at every turn, it is the same vertical with contrast mechanism to observe buoyancy test mechanism at that time, the side can be audio-visual sees the direction of buoyancy, and it is very convenient to operate, the equipment of carrying out the experiment to the buoyancy direction among the prior art is comparatively simple, need during the creation variable with the manual slope of water tank, come to judge whether influence the buoyancy direction, and the water tank of flourishing water is heavy operation is got up comparatively inconvenient, can make water rock or spill probably, the change that the student observes the experiment also can influence the change of experiment, the student's influence also can be convenient operation, the dangerous phenomenon of the experiment, the operation that the student still can result in the operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial sectional view of the present invention;

FIG. 3 is a schematic structural view of the buoyancy testing mechanism of the present invention;

fig. 4 is a schematic structural diagram of the control mechanism of the present invention.

In the figure: 1. installing a frame; 2. a rotating shaft; 3. a circular block; 4. a transparent water tank; 5. a water outlet pipe; 6. teeth; 7. a control mechanism; 701. a mounting frame; 702. a screw rod; 703. a reduction motor; 704. a toothed plate; 705. a limiting rod; 8. a comparison mechanism; 801. a chute; 802. a slide bar; 803. a movable frame; 804. comparing the ropes; 805. a hanging block; 9. a buoyancy test mechanism; 901. a T-shaped block; 902. mounting blocks; 903. connecting ropes; 904. the ball was tested.

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.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a buoyancy test robot for physical teaching, including installing frame 1, the inner wall of installing frame 1 rotates and is connected with pivot 2, the fixed surface of pivot 2 is connected with circular block 3, the fixed surface of circular block 3 is connected with transparent water tank 4, the fixed intercommunication in one side of transparent water tank 4 has outlet pipe 5, the fixed surface of circular block 3 is connected with tooth 6, transparent water tank 4 can center on 2 rotatory slopes of pivot, the valve is installed to outlet pipe 5, open the valve and can discharge water, can rotate the slope with transparent water tank 4 towards the direction of outlet pipe 5, conveniently discharge the water in the transparent water tank 4.

The below of transparent water tank 4 is equipped with control mechanism 7, and control mechanism 7 includes fixed connection at the mounting bracket 701 of mounting frame 1 bottom surface, and the inside of mounting bracket 701 rotates and is connected with lead screw 702, and the one end fixedly connected with gear motor 703 of lead screw 702, gear motor 703's the surface and the bottom surface fixed connection of mounting frame 1, and gear motor 703 can drive lead screw 702 and rotate at a slow speed, makes lead screw 702 steadily rotate for mounting bracket 701.

The outer surface threaded connection of lead screw 702 has pinion rack 704, and pinion rack 704 is located the below of tooth 6, and pinion rack 704 and tooth 6 intermeshing can drive pinion rack 704 when lead screw 702 rotates and remove, drives the tooth 6 rotation of meshing when pinion rack 704 removes to drive circular block 3 and transparent water tank 4 and rotate.

The outer surface of the mounting bracket 701 is fixedly connected with a limiting rod 705, the limiting rod 705 is located below the screw rod 702, one end of the limiting rod 705 penetrates through the outer surface of the toothed plate 704, the limiting rod 705 can limit the toothed plate 704, and the toothed plate 704 can only move linearly along the limiting rod 705.

One side of transparent water tank 4 is equipped with contrast mechanism 8, and contrast mechanism 8 is including seting up at the spout 801 of installing frame 1 upper surface, and the inner wall fixedly connected with slide bar 802 of spout 801, and the surface sliding connection of slide bar 802 has removal frame 803, and the surface of removal frame 803 and the inner wall sliding connection of spout 801, slide bar 802 can be spacing to removal frame 803, makes removal frame 803 can only slide the inside of spout 801.

The outer surface fixedly connected with of removing frame 803 compares rope 804, and the one end fixedly connected with of removing frame 803 is kept away from to compare rope 804 hangs down the piece 805, and the piece 805 that hangs down has certain weight can straighten the comparison rope 804, makes the comparison rope 804 be vertical state.

The inside of transparent water tank 4 is equipped with buoyancy test mechanism 9, buoyancy test mechanism 9 includes T-shaped piece 901 of fixed connection in transparent water tank 4 internal bottom wall, the surface sliding connection of T-shaped piece 901 has installation piece 902, the surface fixed connection of installation piece 902 has connection rope 903, connect the one end fixedly connected with test ball 904 that rope 903 kept away from installation piece 902, installation piece 902 can slide from the surface of T-shaped piece 901 and take off, conveniently change or wash test ball 904, the total two of test ball 904, two test ball 904 volume is the same big, two test ball 904's weight is big one little, and all can sink in the clear water, along with salt is added to the aquatic, buoyancy can increase, test ball 904 that weight is less can float at first, another test ball 904 still keeps sinking the state, buoyancy of water this moment is greater than the gravity of test ball 904 that weight is less, be less than the gravity of weight test ball 904 that weight is great, make things convenient for the student to observe when buoyancy is greater than object gravity, the object will float, and will sink when being less than object gravity.

The working principle is as follows: the device is when using, at first add the clear water to transparent water tank 4 in, two test ball 904 all sink the end this moment, then add salt stirring gradually in to the water, test ball 904 less until weight floats, and test ball 904 that weight is great keeps sinking the end, can supply the student to observe this moment, when buoyancy is greater than gravity, the object will float, when buoyancy is less than gravity, the object will sink, then continue to add salt stirring, it will connect rope 903 taut to float until two test ball 904 all, remove the removal frame 803 this moment, make contrast rope 804 just to two connection ropes 903 in proper order, observe whether coincidence, if the coincidence explains that buoyancy is the force of vertical direction equally with gravity, then start gear motor 703 and drive lead screw 702 corotation, lead screw 702 drives pinion rack 704 and moves to one side, pinion rack drives lead screw tooth 6 and circular block 3 and rotates around pivot 2 together, thereby drive transparent water tank 4 and rotate certain angle and take place the slope, it makes contrast rope 804 just to two connection ropes 903 in proper order again to move the coincidence this moment, observe whether coincidence is just to the rope 704, it draws the coincidence again to control the rotation of lead screw 703, thereby make the contrast rope 703 move the direction of the contrast rope 803 just to the opposite direction of the connection rope 903, thereby make the contrast rope move the direction of the contrast rope 804 to obtain the coincidence in proper order.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 buoyancy test robot for physical teaching, includes installing frame (1), its characterized in that: the inner wall of installing frame (1) rotates and is connected with pivot (2), the fixed surface of pivot (2) is connected with round block (3), the fixed surface of round block (3) is connected with transparent water tank (4), the fixed intercommunication in one side of transparent water tank (4) has outlet pipe (5), the fixed surface of round block (3) is connected with tooth (6), the below of transparent water tank (4) is equipped with control mechanism (7), one side of transparent water tank (4) is equipped with contrast mechanism (8), the inside of transparent water tank (4) is equipped with buoyancy test mechanism (9).

2. The buoyancy test robot for physics teaching of claim 1, wherein: control mechanism (7) are including mounting bracket (701) of fixed connection in installing frame (1) bottom surface, the inside of mounting bracket (701) is rotated and is connected with lead screw (702), the one end fixedly connected with gear motor (703) of lead screw (702), the surface of gear motor (703) and the bottom surface fixed connection of installing frame (1).

3. The buoyancy test robot for physics teaching according to claim 2, wherein: the outer surface threaded connection of lead screw (702) has pinion rack (704), pinion rack (704) are located the below of tooth (6), pinion rack (704) and tooth (6) intermeshing.

4. The buoyancy test robot for physics teaching of claim 3, wherein: the outer surface fixedly connected with gag lever post (705) of mounting bracket (701), gag lever post (705) are located the below of lead screw (702), the surface of pinion rack (704) is run through to the one end of gag lever post (705).

5. The buoyancy test robot for physics teaching of claim 1, wherein: contrast mechanism (8) are including seting up spout (801) at installing frame (1) upper surface, the inner wall fixedly connected with slide bar (802) of spout (801), the surface sliding connection of slide bar (802) has removal frame (803), the surface of removal frame (803) and the inner wall sliding connection of spout (801).

6. The buoyancy test robot for physics teaching of claim 5, wherein: the outer surface of the moving frame (803) is fixedly connected with a comparison rope (804), and one end, far away from the moving frame (803), of the comparison rope (804) is fixedly connected with a hanging block (805).

7. The buoyancy test robot for physics teaching according to claim 1, wherein: the buoyancy testing mechanism (9) comprises a T-shaped block (901) fixedly connected to the inner bottom wall of the transparent water tank (4), the outer surface of the T-shaped block (901) is slidably connected with a mounting block (902), the outer surface of the mounting block (902) is fixedly connected with a connecting rope (903), and one end of the connecting rope (903) far away from the mounting block (902) is fixedly connected with a testing ball (904).