An intuitive display liquid pressure demonstrator

Abstract

This utility model discloses a liquid pressure demonstrator with intuitive display, comprising: a base with a placement groove on the top of the base, in which a measuring cup is placed; a mounting sleeve fixedly connected to the top of the base, with a detachable mounting screw inside the sleeve, a support plate fixedly connected to the top of the mounting screw, and a U-shaped tube fixedly connected to the front side of the support plate; a support rod fixedly connected to the top of the base, with a sliding groove on the side of the support rod near the placement groove, in which a slider is slidably connected; and a pressure component located at the bottom of the slider. The device uses a threaded adjusting screw and a slider to adjust the depth of a metal box within the liquid, allowing for precise control of the metal box's depth within the liquid. When faced with liquids of different concentrations, the metal box can be precisely controlled at the same depth, thus enabling intuitive observation of pressure changes when an object is at the same depth in liquids of different concentrations.

Description

Technical Field

[0001] This utility model relates to the field of physical phenomenon demonstration technology, and in particular to a liquid pressure demonstrator that provides an intuitive display. Background Technology

[0002] Demonstrating liquid pressure is an important part of physics teaching and experiments, helping students understand the relationship between liquid pressure and depth, as well as liquid density. Traditional liquid pressure demonstration devices often use simple U-tubes or pressure sensors for measurement. The U-tube method is the most common, but it has several limitations. It usually relies on manually adjusting the position of a metal box up and down. Because manual operation makes it difficult to ensure consistent adjustments each time, the depth of the metal box in the liquid is difficult to control precisely. When comparing the pressure of liquids of different concentrations at the same depth, the error from manual adjustment leads to inaccurate results. Students cannot clearly observe the pressure change pattern and cannot intuitively perceive the pressure difference between liquids of different concentrations at the same depth, thus affecting their understanding and mastery of liquid pressure knowledge. Utility Model Content

[0003] This application provides a liquid pressure demonstrator that provides an intuitive display. It uses a threaded adjustment screw and a slider to adjust the depth of a metal box in the liquid. This allows for precise control of the depth of the metal box in the liquid. When the metal box is in liquids of different concentrations, it can be precisely controlled to maintain the same depth. This allows for a direct observation of the pressure changes of an object at the same depth in liquids of different concentrations.

[0004] This application provides an intuitive liquid pressure demonstrator, including:

[0005] A base with a placement groove on the top, a rubber sleeve fixed inside the placement groove, and a measuring cup placed inside the placement groove;

[0006] The installation sleeve is fixedly connected to the top of the base and is located on one side of the placement groove. The installation sleeve is set as a threaded sleeve. The installation sleeve has a detachable installation screw. The top of the installation screw is fixedly connected to a support plate. The front side of the support plate is fixedly connected to a U-shaped tube. Both ends of the top of the U-shaped tube are covered with rubber sleeves.

[0007] The support rod is fixedly connected to the top of the base and is located on the side of the placement groove away from the mounting sleeve. The support rod is designed in an inverted L shape, and a sliding groove is opened on the side of the support rod near the placement groove. A slider is slidably connected in the sliding groove. An adjusting screw is rotatably connected to the top of the support rod, and the bottom of the adjusting screw passes through the support rod and is rotatably connected to the top of the base.

[0008] The pressure assembly is located at the bottom of the slider. The pressure assembly moves up and down within the liquid in the measuring cup via the slider. Through the cooperation of the U-shaped tube, it allows for direct observation of the different pressures experienced by the object at different depths. The pressure assembly includes a mounting rod, a metal box, and a rubber tube. The mounting rod is detachably installed at the bottom of the slider using an insert method and is L-shaped. The metal box is fixedly connected to the mounting rod and is either hollow (circular or square) with an open bottom. A rubber membrane is fixedly connected to the bottom of the metal box. The rubber tube is fixedly connected to the top of the metal box, and the end of the rubber tube furthest from the metal box can be detachably fitted onto the top end of the U-shaped tube.

[0009] A threaded through hole is further provided on the slider, and an adjusting screw is rotatably connected to the threaded through hole on the slider. The slider can slide up and down by rotating the adjusting screw.

[0010] The support rod has a groove with graduations on one side; the support plate also has graduations on the side where the U-shaped tube is installed.

[0011] Further, mounting holes are made at the bottom of the slider, and rubber rings are fitted inside the mounting holes. The installation rod can be installed or removed into the mounting holes by means of the rubber rings, which can improve the reliability of the installation rod.

[0012] The mounting rod is further equipped with a guide assembly, which includes a positioning block, a stop block, and a connecting block;

[0013] The positioning block is designed as an inverted concave block. The stop block and connecting block are fixedly connected to the top of the positioning block. A through hole is opened on the connecting block, and the mounting rod is slidably fitted into the through hole on the connecting block. A threaded through hole is opened on the side of the positioning block away from the mounting rod, and a limit screw is rotatably connected inside it. The limit screw passes through the side wall of the positioning block laterally, and a silicone pad is rotatably connected on the side of the limit screw near the mounting rod.

[0014] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages: by using a threaded adjusting screw and a slider to drive the metal box to adjust its depth in the liquid, the depth change of the metal box in the liquid can be controlled more precisely. When it faces liquids of different concentrations, the metal box can be controlled at the same depth more precisely. This allows for a direct observation of the pressure change of an object at the same depth in liquids of different concentrations, further improving the visualization and accuracy of pressure changes. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the liquid pressure demonstrator of this application;

[0016] Figure 2 This is a schematic diagram of the base structure of this application;

[0017] Figure 3This is a schematic diagram of the pressure component installation structure of this application;

[0018] Figure 4 This is an enlarged structural diagram of Part A of this application.

[0019] In the diagram: 10 Base, 11 Mounting sleeve, 12 Placement groove, 20 Measuring cup, 30 Mounting screw, 31 Support plate, 32 U-tube, 40 Support rod, 41 Slide groove, 42 Adjusting screw, 43 Slider, 50 Mounting rod, 51 Metal box, 52 Rubber tube, 60 Connecting block, 61 Stop block, 62 Positioning block, 63 Silicone pad, 64 Limiting screw. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] Example 1

[0024] Please see Figure 1-4 A liquid pressure demonstrator that displays the pressure intuitively includes a base 10, an installation sleeve 11 fixedly connected to the top of the base 10, the installation sleeve 11 being configured as a threaded sleeve, an installation screw 30 being detachably installed inside the installation sleeve 11, a support plate 31 fixedly connected to the top of the installation screw 30, and a U-shaped tube 32 fixedly connected to the front side of the support plate 31.

[0025] A placement groove 12 is provided on the top of the base 10. The placement groove 12 is located on one side of the mounting sleeve 11. A rubber sleeve is fixedly fitted inside the placement groove 12, and a measuring cup 20 is placed inside the placement groove 12 for holding liquid. A support rod 40 is also fixedly connected to the top of the base 10. The support rod 40 is located on the side of the placement groove 12 away from the mounting sleeve 11. The support rod 40 is set in an inverted L shape. A sliding groove 41 is provided on the side of the support rod 40 near the placement groove 12. A slider 43 is slidably connected inside the sliding groove 41. A pressure component is provided at the bottom of the slider 43. The pressure component moves up and down in the liquid in the measuring cup 20 through the slider 43. With the cooperation of the U-shaped tube 32, it is possible to directly observe that the pressure on the object at different depths is different.

[0026] The top of the support rod 40 is rotatably connected to an adjusting screw 42, the bottom of which passes through the support rod 40 and is rotatably connected to the top of the base 10. A threaded through hole is provided on the slider 43, and the adjusting screw 42 is rotatably connected to the threaded through hole on the slider 43. The slider 43 can slide up and down by rotating the adjusting screw 42.

[0027] The top of the support rod 40 can have a smooth through hole or a threaded through hole that is consistent with the thread direction of the threaded through hole on the slider 43, so as to facilitate the adjustment of the rotation of the screw 42 later.

[0028] The pressure assembly includes a mounting rod 50, a metal box 51, and a rubber tube 52. The mounting rod 50 is detachably installed at the bottom of the slider 43 by inserting it in an L-shape. The metal box 51 is fixedly connected to the mounting rod 50 and is a hollow, open-bottomed circular or square shape. A rubber diaphragm is fixedly connected to the bottom of the metal box 51. The rubber tube 52 is fixedly connected to the top of the metal box 51, and the end of the rubber tube 52 away from the metal box 51 can be detachably fitted onto the top end of the U-shaped tube 32.

[0029] Rubber sleeves are fitted on both outer sides of the top two ends of the U-shaped tube 32. When the rubber tube 52 is fitted onto the U-shaped tube 32, the sealing between the two can be guaranteed, and the reliability of the rubber tube 52 being fitted onto the U-shaped tube 32 can also be improved.

[0030] A sealing ring is also installed between the rubber tube 52 and the metal box 51 to ensure the airtightness between the rubber tube 52 and the metal box 51.

[0031] A mounting hole is provided at the bottom of the slider 43, and a rubber ring is fitted inside the mounting hole. The mounting rod 50 is installed and removed into the mounting hole. The rubber ring can improve the reliability of the installation of the mounting rod 50. Later, it will require a certain amount of manual labor to remove it from the slider 43, ensuring the reliability of the mounting rod 50 as it slides up and down with the slider 43.

[0032] The mounting rod 50 is equipped with a guide assembly, which can cooperate with the slider 43 to realize the up and down sliding of the mounting rod 50; the guide assembly includes a positioning block 62, a stop block 61 and a connecting block 60;

[0033] The positioning block 62 is configured as an inverted concave block. The stop block 61 and the connecting block 60 are fixedly connected to the top of the positioning block 62. A through hole is opened on the connecting block 60, and the mounting rod 50 is slidably fitted into the through hole on the connecting block 60.

[0034] A threaded through hole is provided on the side of the positioning block 62 away from the mounting rod 50, and a limiting screw 64 is rotatably connected inside it. The limiting screw 64 passes through the side wall of the positioning block 62 laterally. A silicone pad 63 is rotatably connected on the side of the limiting screw 64 near the mounting rod 50. With the cooperation of the limiting screw 64, the positioning block 62 can be clamped and fixed on the rim of the measuring cup 20.

[0035] The support rod 40 has a scale on one side of the slide groove 41, which can control the sliding distance of the slider 43 more precisely. When changing the liquid in the measuring cup 20 (liquids of different concentrations, such as water, salt water, etc.), the slider 43 can be controlled in the same position to ensure that the metal box 51 can be kept at the same depth in liquids of different concentrations. This allows for a direct observation of the pressure change of the object at the same depth in liquids of different concentrations.

[0036] The support plate 31 also has a scale on the side where the U-shaped tube 32 is installed, which makes it easy to calculate the pressure value later.

[0037] U-shaped tube 32 and measuring cup 20 can be made of transparent plastic or transparent glass; metal box 51 is made of metal that has been treated to prevent corrosion and rust, such as stainless steel.

[0038] In actual operation of this embodiment, the measuring cup 20 is placed in the placement slot 12, the support plate 31 is assembled into the mounting sleeve 11 by the mounting screw 30, the mounting rod 50 is inserted into the bottom of the slider 43, and then the sliding connecting block 60, through the cooperation of the limiting screw 64, clamps the positioning block 62 onto the rim of the measuring cup 20. At this time, the metal box 51 is located inside the measuring cup 20 (a few centimeters away from the upper rim). Then, liquid such as water is added to the measuring cup 20, and colored water (such as water diluted with blue pigment) is added to the U-shaped tube 32. The side of the rubber tube 52 away from the metal box 51 is fitted onto the U-shaped tube. At the top end of tube 32, rotate the adjusting screw 42 to make it slide with the slider 43, thereby adjusting the depth of the metal box 51 in the measuring cup 20. The rubber membrane is under pressure and creates a height difference in the liquid level in the U-shaped tube 32 through the rubber tube 52, so that the pressure on the object at different depths can be observed directly. The liquid in the measuring cup 20 can also be changed to a liquid of different concentrations, and the slider 43 can be controlled in the same position to ensure that the metal box 51 can be kept at the same depth in liquids of different concentrations, so that the pressure change of the object at the same depth in liquids of different concentrations can be observed directly.

[0039] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. For those skilled in the art, various modifications and variations are possible with this utility model. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A liquid pressure demonstrator with intuitive display, characterized in that: include, A base with a placement groove on the top, a rubber sleeve fixed inside the placement groove, and a measuring cup placed inside the placement groove; The installation sleeve is fixedly connected to the top of the base and is located on one side of the placement groove. The installation sleeve is set as a threaded sleeve. The installation sleeve has a detachable installation screw. The top of the installation screw is fixedly connected to a support plate. The front side of the support plate is fixedly connected to a U-shaped tube. Both ends of the top of the U-shaped tube are covered with rubber sleeves. The support rod is fixedly connected to the top of the base and is located on the side of the placement groove away from the mounting sleeve. The support rod is designed in an inverted L shape, and a sliding groove is opened on the side of the support rod near the placement groove. A slider is slidably connected in the sliding groove. An adjusting screw is rotatably connected to the top of the support rod, and the bottom of the adjusting screw passes through the support rod and is rotatably connected to the top of the base. The pressure component is located at the bottom of the slider. The pressure component moves up and down in the liquid in the measuring cup through the slider. With the help of the U-shaped tube, it is possible to directly observe that the pressure on the object at different depths is different.

2. The liquid pressure demonstrator with intuitive display as described in claim 1, characterized in that: The slider has a threaded through hole, and the adjusting screw is rotatably connected to the threaded through hole on the slider. The slider can slide up and down by rotating the adjusting screw.

3. The liquid pressure demonstrator with intuitive display as described in claim 1, characterized in that: The support rod has a scale on the side with the groove; the support plate also has a scale on the side where the U-shaped tube is installed.

4. The liquid pressure demonstrator with intuitive display as described in claim 1, characterized in that: The pressure assembly includes a mounting rod, a metal box, and a rubber tube; The mounting rod is detachably installed at the bottom of the slider using an insert method, and the mounting rod is L-shaped. The metal box is fixedly connected to the mounting rod, and the metal box is a hollow, open-bottomed circle or square shape. A rubber membrane is fixedly connected to the bottom of the metal box. The rubber tube is fixedly connected to the top of the metal box, and the end of the rubber tube away from the metal box can be detachably fitted onto the top end of the U-shaped tube.

5. A liquid pressure demonstrator with intuitive display as described in claim 4, characterized in that: The bottom of the slider has a mounting hole, and a rubber ring is fitted inside the mounting hole. The mounting rod can be installed or removed into the mounting hole by means of the rubber ring, which can improve the reliability of the mounting rod installation.

6. The intuitive liquid pressure demonstrator as described in claim 5, characterized in that: The mounting rod is provided with a guide assembly, which includes a positioning block, a stop block, and a connecting block; The positioning block is set as an inverted concave block, and the stop block and connecting block are fixedly connected to the top of the positioning block. A through hole is opened on the connecting block, and the mounting rod is slidably fitted into the through hole on the connecting block.

7. A liquid pressure demonstrator with intuitive display as described in claim 6, characterized in that: The positioning block has a threaded through hole on the side away from the mounting rod, and a limiting screw is rotatably connected inside it. The limiting screw passes through the side wall of the positioning block laterally, and a silicone pad is rotatably connected to the side of the limiting screw near the mounting rod.

Images