CN212460918U

CN212460918U - A kind of auxiliary device for physics teaching experiment

Info

Publication number: CN212460918U
Application number: CN202021260811.2U
Authority: CN
Inventors: 石浩辰; 高允锋; 田苗苗; 韩飞
Original assignee: Changchun Normal University
Current assignee: Changchun Normal University
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-02-02
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to the technical field of teaching aids, in particular to a physics teaching experiment aid, comprising a bottom plate, the top of the bottom plate is provided with a strip-shaped groove along the length direction, and the strip-shaped groove is rotatably arranged through the strip-shaped groove There is a screw, the bottom plate slides in the strip groove with a measuring rod adapted to the screw rod, the top side of the bottom plate is fixedly installed with an inverted U-shaped support seat, and the top of the U-shaped support seat is fixedly installed with a vertical lift The top end of the lifting rod is rotatably connected with a deflection plate, and the middle part of the deflection plate is provided with a chute along its length direction. The utility model enables the angle and height of the deflection plate to be better adjusted, thereby better simulating the movement process under different conditions, helping students to better learn the relationship between force and movement; Accurately measure the time of the experiment, which is convenient for calculation and improves the accuracy of experimental teaching.

Description

Physics teaching experiment auxiliary device

Technical Field

The utility model relates to a teaching auxiliary instrument technical field especially relates to a physics teaching experiment auxiliary device.

Background

In the physical teaching process, in order to show the experimentation more directly perceivedly and help the student to know and study, can realize with the help of some apparatus usually, when describing the motion process, can not adjust length, height and angle etc. to the orbit more directly perceivedly, and can not control better to the time of motion to influence the effect of teaching, for this reason we propose a physical teaching experiment auxiliary device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a physical teaching experiment auxiliary device.

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

the utility model provides a physics teaching experiment auxiliary device, comprising a base plate, the bar recess along its length direction is seted up on the top of bottom plate, and run through in the bar recess and rotate and be provided with the screw rod, the bottom plate slides in the bar recess and is provided with the measuring stick with the screw rod adaptation, top one side fixed mounting of bottom plate has the U-shaped supporting seat of inversion, the top fixed mounting of U-shaped supporting seat has the lifter of vertical setting, the top of lifter rotates and is connected with the deflector, the middle part of deflector is equipped with the spout along its length direction, and one side fixed mounting that the lifter was kept away from on the top of deflector has the fixed plate, one side that the lifter was kept away from to the bottom of deflector rotates and is connected with the deflector, the top of bottom plate slides in U-shaped supporting seat lower part and is provided with the sliding.

Preferably, one side of the bottom plate is evenly provided with scales along the length direction of the bottom plate, and one side of the measuring rod is evenly provided with scales along the vertical direction.

Preferably, one side of the fixed plate is provided with a rubber pad, and the inner side of the rubber pad is wrapped with a first pressure sensor.

Preferably, a slot communicated with the chute is formed in one side, far away from the first pressure sensor, of the top end of the deflection plate, and a baffle is connected to the slot in a sliding manner.

Preferably, the second pressure sensor is embedded in the groove of the deflection plate, and the second pressure sensor is positioned on one side of the slot close to the first pressure sensor.

Preferably, a timer electrically connected with the first pressure sensor and the second pressure sensor is fixedly mounted on the other side of the top end of the bottom plate.

Preferably, the top end of the sliding plate is vertically provided with a strip-shaped sliding groove along the length direction of the sliding plate, a locking screw for locking is screwed in the strip-shaped sliding groove, the diameter of the top end of the locking screw is larger than the width of the strip-shaped sliding groove, and the top end of the bottom plate is provided with a threaded groove matched with the locking screw.

Preferably, the bottom fixed mounting of measuring stick has the connecting block, and set up on the connecting block with the screw thread through-hole of screw rod adaptation, the equal fixed mounting in both sides of connecting block has the guide block, and the top of bottom plate all sets up along its length direction in the both sides inner wall department of bar recess with the guide way of guide block adaptation.

The utility model has the advantages that:

1. firstly, the angle, the height and the like of the deflection plate can be well adjusted through the arrangement of the lifting rod, the deflection plate, the sliding plate and the deflection rod, so that the movement process under different conditions can be better simulated, and students can better learn the relationship between the force and the movement;

2. through the setting of first pressure sensor, second pressure sensor and time-recorder for the time of experiment can be accurately surveyed in the use to the device, is convenient for calculate, improves the precision of experiment teaching.

Drawings

Fig. 1 is a schematic view of a physical teaching experiment auxiliary device according to the present invention;

fig. 2 is a schematic top view of a deflection plate of the auxiliary device for physical teaching experiments according to the present invention;

fig. 3 is a schematic view of a partial top view structure of a bottom plate of the auxiliary device for physical teaching experiments provided by the present invention;

fig. 4 is a schematic side view of a deflection plate of the auxiliary device for physical teaching experiments according to the present invention;

FIG. 5 is a schematic side view of a U-shaped supporting seat of the auxiliary device for physics teaching experiments according to the present invention;

fig. 6 is a schematic top view of the sliding plate of the auxiliary device for physics teaching experiment provided by the present invention;

fig. 7 is the utility model provides a side structure schematic diagram of physics teaching experiment auxiliary device's measuring stick.

In the figure: the device comprises a bottom plate 1, a deflection rod 2, a sliding plate 3, a U-shaped supporting seat 4, a lifting rod 5, a deflection plate 6, a baffle plate 7, a rubber pad 8, a fixing plate 9, a measuring rod 10, a screw rod 11, a timer 12, a first pressure sensor 13, a second pressure sensor 14 and a locking screw 15.

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.

Referring to fig. 1-7, an auxiliary device for physical teaching experiments comprises a bottom plate 1, a strip-shaped groove is arranged at the top end of the bottom plate 1 along the length direction thereof, a screw rod 11 is rotatably penetrated in the strip-shaped groove, a measuring rod 10 matched with the screw rod 11 is slidably arranged in the strip-shaped groove of the bottom plate 1, an inverted U-shaped supporting seat 4 is fixedly arranged at one side of the top end of the bottom plate 1, a vertically arranged lifting rod 5 is fixedly arranged at the top end of the U-shaped supporting seat 4, a deflection plate 6 is rotatably connected at the top end of the lifting rod 5, a chute along the length direction of the deflection plate 6 is arranged in the middle of the deflection plate 6, and a fixed plate 9 is fixedly installed on one side, far away from the lifting rod 5, of the top end of the deflection plate 6, one side, far away from the lifting rod 5, of the bottom end of the deflection plate 6 is rotatably connected with the deflection rod 2, a sliding plate 3 is slidably arranged on the lower portion of the U-shaped supporting seat 4 at the top end of the bottom plate 1, and one side of the top end of the sliding plate 3 is rotatably connected with the bottom end of the deflection rod 2.

Further, one side of the bottom plate 1 is evenly provided with scales along the length direction, and one side of the measuring rod 10 is evenly provided with scales along the vertical direction, so that the distance and other parameters can be read accurately.

Further, one side of the fixed plate 9 is provided with a rubber pad 8, a first pressure sensor 13 is wrapped on the inner side of the rubber pad 8, a slot communicated with the sliding groove is formed in one side, far away from the first pressure sensor 13, of the top end of the deflection plate 6, a baffle 7 is connected to the slot in a sliding mode, a second pressure sensor 14 is embedded in the groove of the deflection plate 6, the second pressure sensor 14 is located on one side, close to the first pressure sensor 13, of the slot, a timer 12 electrically connected with the first pressure sensor 13 and the second pressure sensor 14 is fixedly installed on the other side of the top end of the bottom plate 1, and the time of the motion process is conveniently and accurately read.

Further, the top end of the sliding plate 3 is vertically provided with a strip-shaped sliding groove along the length direction of the sliding plate, a locking screw 15 used for locking is screwed in the strip-shaped sliding groove, the top end diameter of the locking screw 15 is larger than the width of the strip-shaped sliding groove, the top end of the bottom plate 1 is provided with a threaded groove matched with the locking screw 15, and the sliding plate 3 is convenient to fix in position.

Further, the bottom fixed mounting of measuring stick 10 has the connecting block, and set up on the connecting block with the screw thread through-hole of 11 adaptations of screw rod, the equal fixed mounting in both sides of connecting block has the guide block, and the top of bottom plate 1 all sets up along its length direction in the both sides inner wall department of bar groove with the guide way of guide block adaptation, the horizontal displacement of the measuring stick 10 of being convenient for, the convenience is highly read and is measured the both ends of deflection board 6.

The working process is as follows: in the using process, firstly, the height of one end of the deflection plate 6 is adjusted by adjusting the lifting rod 5, then the sliding plate 3 is pulled to drive the deflection rod 2 to adjust the angle, and further the height of the other end of the deflection plate 6 is adjusted, so that the angle of the deflection plate 6 is adjusted;

then, the ball is placed in the sliding groove, the baffle 7 is inserted into the slot to enable the ball to be in a static state, then the baffle 7 is pulled out, the ball slides in the sliding groove under the action of gravity, pressure is applied to the second pressure sensor 14 at the moment of sliding, timing of the timer 12 is started, when the ball rolls to the lowest end, the ball impacts the rubber pad 8, pressure is applied to the first pressure sensor 13, timing of the timer 12 is stopped, and the time displayed by the timer 12 is the traveling time of the whole movement process;

then can be through rotatory screw rod 11, make it drive measuring stick 10 horizontal migration under the effect of connecting block and guide block to survey the height of 6 nadirs of deflection board and peak, and cooperate the scale on the bottom plate 1, thereby obtain the horizontal displacement of whole process of marcing, thereby be convenient for calculate other parameters in whole motion process, make things convenient for the data calculation and the adjustment of teaching process, give the student deep impression, improve the 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 auxiliary device for a physics teaching experiment, comprising a base plate (1), characterized in that the top end of the base plate (1) is provided with a strip-shaped groove along its length direction, and is arranged through rotation in the strip-shaped groove There is a screw (11), the bottom plate (1) is slidably provided with a measuring rod (10) adapted to the screw (11) in the strip groove, and an inverted U-shaped support seat is fixedly installed on the top side of the bottom plate (1). (4), a vertically arranged lifting rod (5) is fixedly installed on the top of the U-shaped support base (4), and a deflection plate (6) is rotatably connected to the top of the lifting rod (5). There is a chute along its length, and a fixing plate (9) is fixedly installed on the side of the top end of the deflection plate (6) away from the lift rod (5), and the bottom end of the deflection plate (6) is away from the lift rod (5). A deflection rod (2) is rotatably connected to one side, the top end of the bottom plate (1) is slidably provided with a sliding plate (3) at the lower part of the U-shaped support seat (4), and the top side of the sliding plate (3) is connected to the deflection rod (2). ) at the bottom to turn the connection.

2. An auxiliary device for physics teaching experiment according to claim 1, characterized in that one side of the bottom plate (1) is evenly provided with scales along its length direction, and one side of the measuring rod (10) is vertically The directions are evenly scaled.

3. An auxiliary device for physics teaching experiment according to claim 1, characterized in that, a rubber pad (8) is provided on one side of the fixing plate (9), and the inner side of the rubber pad (8) is covered with a rubber pad (8). A first pressure sensor (13).

4 . The auxiliary device for a physics teaching experiment according to claim 3 , wherein the top end of the deflection plate ( 6 ) is away from the first pressure sensor ( 13 ) and is provided with a slot that communicates with the chute. 5 . , and a baffle plate (7) is slidably connected to the slot.

5 . The auxiliary device for physics teaching experiment according to claim 4 , wherein the deflection plate ( 6 ) is embedded with a second pressure sensor ( 14 ) in the groove, and the second pressure sensor ( 14 ). 6 . ) on the side of the slot close to the first pressure sensor (13).

6. An auxiliary device for physics teaching experiment according to claim 5, characterized in that, the other side of the top end of the bottom plate (1) is fixedly installed with the first pressure sensor (13) and the second pressure sensor (14). ) electrically connected timer (12).

7. An auxiliary device for physics teaching experiment according to claim 1, characterized in that, the top of the sliding plate (3) is vertically provided with a bar-shaped chute along its length direction, and it is in the bar-shaped sliding A locking screw (15) for locking is screwed in the groove, the diameter of the top of the locking screw (15) is larger than the width of the bar-shaped chute, and the top of the bottom plate (1) is provided with a locking screw (15). Thread groove.

8. An auxiliary device for a physics teaching experiment according to claim 1, characterized in that a connecting block is fixedly installed at the bottom end of the measuring rod (10), and the connecting block is provided with a screw (11) adapted to Guide blocks are fixedly installed on both sides of the connecting block, and the top of the bottom plate (1) is provided with guide grooves adapted to the guide blocks along the length direction of the inner walls on both sides of the strip groove.