CN210983938U

CN210983938U - High-efficient measuring force device is used in physics teaching

Info

Publication number: CN210983938U
Application number: CN201920906787.6U
Authority: CN
Inventors: 郑丙建
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-07-10
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a high-efficient measuring force device is used in physical teaching, the on-line screen storage device comprises a base, the top outer wall of base has the portal frame through the fix with screw, and the top inner wall of portal frame has the spout through the fix with screw, the inner wall sliding connection of spout has the slider, and one side outer wall of slider has transparent casing through the fix with screw, transparent casing's bottom outer wall is seted up flutedly, and the top inner wall of recess has the spring through the fix with screw, there is the indicator lever bottom of spring through the fix with screw, and the bottom outer wall of indicator lever has the lifting hook through the fix with screw, mounting groove has been seted up to one side outer wall of transparent casing, and the inner wall of mounting groove has the display screen. The utility model discloses play good teaching effect, the dynamometry result is accurate, satisfies people's user demand, has improved the stability of dynamometry in-process device, plays good fixed effect, guarantees that physical experiment can normally go on.

Description

High-efficient measuring force device is used in physics teaching

Technical Field

The utility model relates to a physical teaching technical field especially relates to a high-efficient measuring force device is used in physical teaching.

Background

Physics is the subject of studying the most general law of motion and basic structure of substances, and is the leading subject of natural science, and the theory of physics studies the most basic motion form and law of all substances, such as universe, particles, etc., so it becomes the research foundation of other natural science subjects.

In the process of physical teaching, a force measuring device is often required to be used for measuring force, the existing force measuring mode is still a spring dynamometer for measuring force, the force measuring mode is not efficient enough, the force measuring result is not accurate enough, the teaching effect is poor, and the use requirement of people can not be met obviously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency force measuring device for physical teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-efficient measuring force device is used in physical teaching, includes the base, the top outer wall of base has the portal frame through the fix with screw, and the top inner wall of portal frame has the spout through the fix with screw, the inner wall sliding connection of spout has the slider, and one side outer wall of slider has transparent casing through the fix with screw, the bottom outer wall of transparent casing is seted up flutedly, and the top inner wall of recess has the spring through the fix with screw, the bottom of spring has the indicator lever through the fix with screw, and the bottom outer wall of indicator lever has the lifting hook through the fix with screw, the mounting groove has been seted up to one side outer wall of transparent casing, and the inner wall of mounting groove has the display screen through.

Furthermore, the outer wall of the indicating rod is fixed with a displacement sensor through a screw, and the indicating rod and the inner wall of the groove form sliding fit.

Furthermore, the signal output end of the displacement sensor is connected with a processor through a signal wire, and the processor is fixed on the inner wall of the transparent shell through a screw.

Furthermore, scale marks are carved on the outer wall of one side of the transparent shell, and a fixing ring is fixed on the outer wall of the top of the transparent shell through a screw.

Furthermore, the outer wall of the fixing ring is sleeved with a pull rope, and one end of the pull rope, which is far away from the fixing ring, is wound and connected with a pull ring.

Furthermore, the outer wall of the top of the portal frame is fixed with a pulley through a screw, and the pull rope and the outer wall of the pulley form sliding fit.

Furthermore, the outer wall of the bottom of the base is fixed with four fixed suckers through screws, and the four fixed suckers are located at four corners of the outer wall of the bottom of the base.

The utility model has the advantages that:

1. this high-efficient measuring force device is used in physical teaching, through being provided with pull ring and displacement sensor, the in-process of dynamometry, at first hang the testee on the lifting hook, handheld pull ring is at the uniform velocity pulling stay cord, the in-process spring of pulling can produce deformation, the student can read out tensile size according to the scale mark that the indicator bar corresponds this moment, meanwhile, displacement sensor can detect the displacement value of indicator bar, and give the treater with the signal transmission, treater control display screen shows the tension value, the student can contrast the numerical value that oneself read out with the numerical value that shows, can judge whether oneself reading is wrong, thereby play good teaching effect, the dynamometry result is accurate, satisfy people's user demand.

2. This high-efficient measuring force device is used in physics teaching through being provided with fixed sucking disc, and fixed sucking disc can firmly adsorb the workstation and fix the device, plays good fixed effect, has improved the stability of dynamometry in-process device, guarantees that the physics experiment can normally go on.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of a high-efficiency force measuring device for physics teaching according to the present invention;

FIG. 2 is a perspective view of the overall structure of a high-efficiency force measuring device for physical teaching according to the present invention;

fig. 3 is the utility model provides a transparent shell structure cross-sectional view of high-efficient measuring force device is used in physics teaching.

In the figure: 1-a portal frame, 2-a sliding chute, 3-a display screen, 4-a spring, 5-a displacement sensor, 6-a lifting hook, 7-a base, 8-a fixed sucker, 9-an indicating rod, 10-a pull ring, 11-a scale mark, 12-a transparent shell, 13-a pull rope, 14-a pulley, 15-a sliding block, 16-a fixed ring and 17-a processor.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a high-efficient measuring force device is used in physics teaching, including base 7, base 7's top outer wall has portal frame 1 through the fix with screw, and portal frame 1's top inner wall has spout 2 through the fix with screw, the inner wall sliding connection of spout 2 has slider 15, and one side outer wall of slider 15 has transparent casing 12 through the fix with screw, transparent casing 12's bottom outer wall has seted up the recess, and the top inner wall of recess has spring 4 through the fix with screw, spring 4's bottom has indicator lever 9 through the fix with screw, and indicator lever 9's bottom outer wall has lifting hook 6 through the fix with screw, transparent casing 12's one side outer wall has seted up the mounting groove, and the inner wall of mounting groove has display screen 3 through the fix with screw.

The utility model discloses in, the outer wall of indicator lever 9 passes through the fix with screw and has displacement sensor 5, and the inner wall of indicator lever 9 and recess forms sliding fit.

The utility model discloses in, displacement sensor 5's signal output part is connected with treater 17 through the signal line, and treater 17 passes through the fix with screw on the inner wall of transparent housing 12.

The utility model discloses in, transparent housing 12's one side outer wall is carved with scale mark 11, and transparent housing 12's top outer wall has solid fixed ring 16 through the fix with screw.

The utility model discloses in, stay cord 13 has been cup jointed to solid fixed ring 16's outer wall, and stay cord 13 keeps away from solid fixed ring 16's one end and has had pull ring 10 around the connection.

The utility model discloses in, the top outer wall of portal frame 1 has pulley 14 through the fix with screw, and stay cord 13 forms sliding fit with pulley 14's outer wall.

Example 2

Referring to fig. 1, a high-efficient measuring force device is used in physical teaching, this embodiment compares in embodiment 1, and the bottom outer wall that still includes base 7 has four fixed suction cups 8 through the fix with screw, and four fixed suction cups 8 are located the four corners department of base 7 bottom outer wall, and fixed suction cups 8 can firmly adsorb the workstation and fix the device, play good fixed effect, have improved the stability of dynamometry in-process device, guarantee that the physics experiment can normally go on.

The working principle is as follows: during the use, at first hang the testee on lifting hook 6, handheld pull ring 10 is at the uniform velocity pulling stay cord 13, the in-process spring 4 of pulling can produce deformation, the student can read out tensile size according to the scale mark 11 that the indicator bar 9 corresponds this moment, meanwhile, displacement sensor 5 can detect the displacement value of indicator bar 9, and give processor 17 with the signal transmission, processor 17 control display screen 3 shows the pulling force value, the student can contrast the numerical value that oneself read out with the numerical value that shows, can judge whether oneself reading is wrong, thereby play good teaching effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An efficient force measuring device for physics teaching comprises a base (7) and is characterized in that, the outer wall of the top of the base (7) is fixed with a portal frame (1) through a screw, a sliding chute (2) is fixed on the inner wall of the top of the portal frame (1) through a screw, a sliding block (15) is connected on the inner wall of the sliding chute (2) in a sliding manner, and a transparent shell (12) is fixed on the outer wall of one side of the sliding block (15) through a screw, a groove is arranged on the outer wall of the bottom of the transparent shell (12), and the inner wall of the top of the groove is fixed with a spring (4) through a screw, the bottom end of the spring (4) is fixed with an indicating rod (9) through a screw, and the outer wall of the bottom of the indication rod (9) is fixed with a lifting hook (6) through a screw, the outer wall of one side of the transparent shell (12) is provided with a mounting groove, and the inner wall of the mounting groove is fixed with the display screen (3) through a screw.

2. The high-efficiency force measuring device for physics teaching of claim 1, wherein the displacement sensor (5) is fixed on the outer wall of the indicating rod (9) through a screw, and the indicating rod (9) forms a sliding fit with the inner wall of the groove.

3. The high-efficiency force measuring device for physics teaching of claim 2, wherein the signal output end of the displacement sensor (5) is connected with a processor (17) through a signal wire, and the processor (17) is fixed on the inner wall of the transparent shell (12) through a screw.

4. The high-efficiency force measuring device for physics teaching of claim 3 is characterized in that the outer wall of one side of the transparent shell (12) is marked with scale marks (11), and the outer wall of the top of the transparent shell (12) is fixed with a fixing ring (16) through screws.

5. The high-efficiency force measuring device for physics teaching of claim 4 is characterized in that the outer wall of the fixing ring (16) is sleeved with a pull rope (13), and one end of the pull rope (13) far away from the fixing ring (16) is wound with a pull ring (10).

6. The high-efficiency force measuring device for physics teaching of claim 5 is characterized in that the pulley (14) is fixed on the outer wall of the top of the portal frame (1) through a screw, and the pull rope (13) and the outer wall of the pulley (14) form a sliding fit.

7. The high-efficiency force measuring device for physics teaching of claim 6, wherein the bottom outer wall of the base (7) is fixed with four fixed suction cups (8) by screws, and the four fixed suction cups (8) are positioned at the four corners of the bottom outer wall of the base (7).