CN214312241U

CN214312241U - Multifunctional measuring device for physical teaching

Info

Publication number: CN214312241U
Application number: CN202120488912.3U
Authority: CN
Inventors: 张雨茜; 呼格吉乐; 周淑琴; 张宪山
Original assignee: Huzhou University
Current assignee: Huzhou University
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-09-28
Anticipated expiration: 2031-03-08

Abstract

The utility model discloses a multi-functional measuring device is used in physical teaching, the on-line screen storage device comprises a base, two backup pads of the upper end symmetry fixedly connected with of base, the common sliding connection in one side that two backup pads are relative has the diaphragm, the rectangle spout has all been seted up at the both ends that the diaphragm is relative, equal sliding connection has the rectangular block in two rectangle spouts, one side of backup pad is rotated through antifriction bearing and is connected with the pivot, the one end of pivot and one side fixed connection of rectangular block, the upper end rear side of diaphragm is opened and is equipped with the bar through-hole, bar through-hole in-connection has positioning mechanism, two fixed blocks of the upper end fixedly connected with of base, the common fixedly connected with guide bar in one side that two fixed blocks are relative. The utility model discloses, can carry out different teaching tests when physical teaching to also can change measuring device's angle fast, satisfy different experimental demands, make things convenient for the mr to use at the teaching in-process.

Description

Multifunctional measuring device for physical teaching

Technical Field

The utility model relates to a physical teaching technical field especially relates to a multi-functional measuring device is used in physical teaching.

Background

Physics is the subject of studying the most general laws of motion and basic structures of substances. As the leading subject of natural science, physical studies are as large as the universe and as small as the most basic motion forms and laws of all substances such as basic particles, and therefore, the method becomes the research foundation of other natural science subjects. The theory structure of the system fully uses mathematics as the working language of the system, experiments are used as the only standard for checking the theoretical correctness, the system is the most precise natural science subject at present, the relationship among variables such as time, speed, displacement, gravitational acceleration and the like needs to be mastered in physical learning, and the understanding of physical knowledge needs to be deepened through physical experiments due to the abstraction of the physical knowledge.

At present, a measuring device used for physical teaching is simple in structure, the error of a result when a sliding object is measured is large, only one teaching work can be singly carried out, and the physical teaching can be assisted by being provided with different teaching measuring devices.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art measuring device that physical teaching used simple structure, the result error when measuring the smooth body motion is great, can only singly carry out a teaching work moreover, need be equipped with the problem that different teaching measuring device could assist physical teaching, and the multi-functional measuring device is used in physical teaching who provides.

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

a multifunctional measuring device for physics teaching comprises a base, wherein the upper end of the base is symmetrically and fixedly connected with two supporting plates, one opposite sides of the two supporting plates are jointly and slidably connected with a transverse plate, two opposite ends of the transverse plate are respectively provided with a rectangular chute, a rectangular block is respectively and slidably connected in the two rectangular chutes, one side of each supporting plate is rotatably connected with a rotating shaft through a rolling bearing, one end of each rotating shaft is fixedly connected with one side of the rectangular block, the rear side of the upper end of the transverse plate is provided with a strip-shaped through hole, a positioning mechanism is connected in the strip-shaped through hole, the upper end of the base is fixedly connected with two fixed blocks, one opposite sides of the two fixed blocks are jointly and fixedly connected with a guide rod, the rod wall of the guide rod is slidably sleeved with a sliding sleeve, the upper end of the sliding sleeve is fixedly connected with a connecting block, the upper end of the connecting block is rotatably connected with an inverted U-shaped connecting block through a pin, the upper end of the U-shaped connecting block is fixedly connected with the front side of the lower end of the transverse plate, one side of the sliding sleeve is connected with a limiting mechanism, and a plurality of limiting grooves matched with the limiting mechanism are formed in the rod wall of the guide rod.

Preferably, the positioning mechanism includes that the limiting plate in the bar through-hole is cup jointed in the slip, two locating plates of the lower extreme symmetry fixedly connected with of diaphragm, two the constant head tank has all been seted up to the relative one side of locating plate, one side sliding connection of constant head tank and limiting plate, the lower extreme fixedly connected with braking plate of limiting plate, the upper end fixedly connected with tension spring of braking plate, tension spring's upper end and the lower extreme fixed connection of diaphragm, the upper end fixedly connected with rectangle frame of diaphragm.

Preferably, the upper end of the transverse plate is provided with an arc-shaped groove and two guide grooves, and the two guide grooves are respectively positioned on two sides of the arc-shaped groove.

Preferably, stop gear includes the stopper of sliding connection in sliding sleeve one side, the rectangle through-hole has been seted up to one side of stopper, sliding connection has the installation piece of rectangle structure in the rectangle through-hole, the one end of installation piece and the lateral wall fixed connection of connecting block, the other end fixedly connected with locating piece of installation piece, one side of locating piece and one side sliding connection of stopper, the right angle breach has been seted up to the lower extreme of stopper, the stopper pass through the right angle breach and one of them the spacing groove joint.

Preferably, one side of the limiting block is fixedly connected with two limiting pieces which are symmetrically distributed, the upper ends of the limiting pieces are connected with elastic strips in a sliding mode, and one ends, away from the limiting pieces, of the elastic strips are fixedly connected with the side walls of the sliding sleeve.

Compared with the prior art, the utility model provides a multi-functional measuring device is used in physics teaching possesses following beneficial effect:

1. the multifunctional measuring device for physics teaching is characterized in that a limiting block is arranged, the limiting block is lifted up by hands, when the limiting block is stressed, the limiting block is separated from a limiting groove on a guide rod, when the limiting block is stressed to move upwards, a limiting sheet is driven to extrude an elastic strip to deform under stress, then the limiting block is pushed by hands to enable a connecting block and a U-shaped connecting block to move under stress, a transverse plate is driven to move when the U-shaped connecting block and the connecting block are stressed, the transverse plate slides on a rectangular block when the transverse plate moves, the transverse plate is limited by the rectangular block to incline, at the moment, the connecting block is stressed to drive a sliding sleeve to slide on the guide rod, when the angle of the transverse plate reaches the test requirement, the limiting block is loosened, the elastic strip is elastically reset to push the limiting sheet to enable the limiting block to move downwards, when the limiting block moves downwards, the limiting block is clamped with the limiting groove on the guide rod, and further, the sliding sleeve can be fixed on the guide rod, thereby rapidly fixing the inclination angle of the transverse plate, be convenient for carry out object rolling friction sliding friction, can also carry out the experiment of object free fall when being injectd with the base vertical state at the diaphragm, and then can carry out different teaching tests when physical teaching, the motion data of the mr measurement object of also being convenient for, when experimental, place the object for the experiment on the diaphragm, the limiting plate can block the object this moment for need not to support during the teaching and measure the object, the mr of being convenient for carries out operations such as timing.

2. This multifunctional measuring device is used in physical teaching, through the braking vane that is equipped with, when measuring, with the direct pulling braking vane of hand, drive the limiting plate during the braking vane atress and slide in constant head tank and bar through-hole, when the upper end quick travel of limiting plate was to in the bar through-hole, the horizontal plate surface that begins to follow the slope by the side object removes, loosen behind the braking vane, tension spring can stimulate the braking vane and make the limiting plate reset, when carrying out the free fall experiment, adjust diaphragm to vertical state, the direct fag end that will hang the object hangs on the limiting plate, the pulling braking vane can make the limiting plate break away from with the fag end fast this moment, make things convenient for mr to carry out physical teaching.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, can carry out different teaching tests when physical teaching to also can the quick change measuring device's angle, satisfy different experimental demands, make things convenient for the mr to use in teaching process.

Drawings

Fig. 1 is a schematic structural view of a multifunctional measuring device for physics teaching according to the present invention;

fig. 2 is a schematic structural view of a positioning mechanism in the multifunctional measuring device for physics teaching according to the present invention;

fig. 3 is a schematic structural view of a limiting mechanism in the multifunctional measuring device for physics teaching according to the present invention;

FIG. 4 is a schematic structural view of a base, a support plate and a rectangular block of the multifunctional measuring device for physics teaching according to the present invention;

fig. 5 is the utility model provides a multi-functional measuring device's result of use picture is used in physics teaching.

In the figure: 1. a base; 2. a transverse plate; 3. positioning a plate; 4. a rectangular frame; 5. a limiting plate; 6. a sliding sleeve; 7. a guide bar; 8. a rectangular chute; 9. a support plate; 10. a rectangular block; 11. a tension spring; 12. a brake plate; 13. positioning a groove; 14. an elastic strip; 15. a limiting sheet; 16. a limiting block; 17. mounting blocks; 18. and (5) positioning the blocks.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a multifunctional measuring device for physics teaching comprises a base 1, wherein two supporting plates 9 are symmetrically and fixedly connected to the upper end of the base 1, a transverse plate 2 is slidably connected to one side of each of the two supporting plates 9, rectangular sliding grooves 8 are respectively formed at two opposite ends of the transverse plate 2, rectangular blocks 10 are respectively slidably connected to the two rectangular sliding grooves 8, a rotating shaft is rotatably connected to one side of each of the supporting plates 9 through a rolling bearing, one end of the rotating shaft is fixedly connected to one side of each of the rectangular blocks 10, a strip-shaped through hole is formed in the rear side of the upper end of the transverse plate 2, a positioning mechanism is connected to the strip-shaped through hole and comprises a limiting plate 5 slidably sleeved in the strip-shaped through hole, two positioning plates 3 are symmetrically and fixedly connected to the lower end of the transverse plate 2, positioning grooves 13 are respectively formed at one side of each of the two positioning plates 3, the positioning grooves 13 are slidably connected to one side of the limiting plate 5, and braking plates 12 are fixedly connected to the lower ends of the limiting plates 5, the upper end fixedly connected with tension spring 11 of braking plate 12, tension spring 11's upper end and diaphragm 2's lower extreme fixed connection, diaphragm 2's upper end fixedly connected with rectangle frame 4, arc wall and two guide ways have been seted up to diaphragm 2's upper end, two guide ways are located the both sides of arc wall respectively, two fixed blocks of base 1's upper end fixedly connected with, the common fixedly connected with guide bar 7 in the relative one side of two fixed blocks, sliding sleeve 6 has been cup jointed in the slip on the pole wall of guide bar 7, the upper end fixedly connected with connecting block of sliding sleeve 6, the upper end of connecting block is connected with the U type connecting block of inversion through the pin rotation, the upper end of U type connecting block and the lower extreme front side fixed connection of diaphragm 2, one side of sliding sleeve 6 is connected with stop gear, set up a plurality of spacing grooves with stop gear matched with on the pole wall of guide bar 7.

Stop gear includes sliding connection at the stopper 16 of sliding sleeve 6 one side, the rectangle through-hole has been seted up to one side of stopper 16, sliding connection has the installation piece 17 of rectangle structure in the rectangle through-hole, the lateral wall fixed connection of the one end of installation piece 17 and connecting block, the other end fixedly connected with locating piece 18 of installation piece 17, one side of locating piece 18 and one side sliding connection of stopper 16, the right angle breach has been seted up to the lower extreme of stopper 16, stopper 16 passes through right angle breach and one of them spacing groove joint, the spacing piece 15 of two symmetric distributions of one side fixedly connected with of stopper 16, the equal sliding connection in upper end of two spacing pieces 15 has elastic strip 14, the one end that spacing piece 15 was kept away from to elastic strip 14 and sliding sleeve 6's lateral wall fixed connection.

In the utility model, when in use, the limiting block 16 is lifted by hand, the limiting block 16 is separated from the limiting groove on the guide rod 7 when being stressed, and the limiting block 16 is forced to move upwards to drive the limiting piece 15 to extrude the elastic strip 14 to deform, then the limiting block 16 is pushed by hand to make the connecting block and the U-shaped connecting block move under stress, the U-shaped connecting block and the connecting block move under stress, the transverse plate 2 slides on the rectangular block 10 when the transverse plate 2 moves, the transverse plate 2 is inclined under the limiting action of the rectangular block 10, the connecting block drives the sliding sleeve 6 to slide on the guide rod 7 when being stressed, when the angle of the transverse plate 2 reaches the test requirement, the limiting block 16 is loosened, the elastic strip 14 is elastically reset to push the limiting piece 15 to move the limiting block 16 downwards, the limiting block 16 is clamped with the limiting groove on the guide rod 7 when moving downwards, and then the sliding sleeve 6 can be fixed on the guide rod 7, thereby the inclination angle of the transverse plate 2 can be rapidly fixed, the device is convenient for carrying out object rolling friction sliding friction, when the transverse plate 2 is limited to be in a state of being vertical to the base 1, the device can also carry out an object free falling body test, further, different teaching tests can be carried out during physical teaching, and a teacher can measure motion data of the object conveniently, when in the test, the object for the test is placed on the transverse plate 2, at the moment, the limiting plate 5 can block the object, so that the object for the test does not need to be supported during teaching, the teacher can conveniently carry out operations such as timing and the like, when in the measurement, the braking plate 12 is directly pulled by hands, the limiting plate 5 is driven to slide in the positioning groove 13 and the strip-shaped through hole when the braking plate 12 is stressed, when the upper end of the limiting plate 5 rapidly moves into the strip-shaped through hole, the object to be moved along the surface of the inclined transverse plate 2, after the braking plate 12 is loosened, the tension spring 11 can pull the braking plate 12 to reset the limiting plate 5, when in the free falling body test, adjust diaphragm 2 to vertical state, directly hang the fag end that hangs the object on limiting plate 5, pulling brake block 12 this moment can make limiting plate 5 break away from with the fag end fast, makes things convenient for the mr to carry out the physical teaching.

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. The multifunctional measuring device for physical teaching comprises a base (1) and is characterized in that two supporting plates (9) are symmetrically and fixedly connected to the upper end of the base (1), a transverse plate (2) is connected to one side, opposite to the two supporting plates (9), of each supporting plate in a sliding mode, rectangular sliding grooves (8) are formed in two ends, rectangular blocks (10) are connected to the two ends, opposite to the transverse plate (2), of each rectangular sliding groove (8) in a sliding mode, a rotating shaft is connected to one side of each supporting plate (9) in a rotating mode through a rolling bearing, one end of each rotating shaft is fixedly connected with one side of each rectangular block (10), a strip-shaped through hole is formed in the rear side of the upper end of each transverse plate (2), a positioning mechanism is connected to each strip-shaped through hole, two fixing blocks are fixedly connected to the upper end of the base (1), and a guide rod (7) is fixedly connected to one side, opposite to the two fixing blocks, sliding sleeve (6) have been cup jointed in the slip on the pole wall of guide bar (7), the upper end fixedly connected with connecting block of sliding sleeve (6), the upper end of connecting block is connected with the U type connecting block of invering through the pin rotation, the upper end of U type connecting block and the lower extreme front side fixed connection of diaphragm (2), one side of sliding sleeve (6) is connected with stop gear, a plurality of and stop gear matched with spacing groove have been seted up on the pole wall of guide bar (7).

2. The multifunctional measuring device for physics teaching of claim 1, characterized in that, positioning mechanism includes limiting plate (5) that the slip cup joints in the bar through-hole, the lower extreme symmetry fixedly connected with two locating plates (3) of diaphragm (2), two locating groove (13) have all been seted up to one side that locating plate (3) are relative, locating groove (13) and one side sliding connection of limiting plate (5), the lower extreme fixedly connected with braking plate (12) of limiting plate (5), the upper end fixedly connected with tension spring (11) of braking plate (12), the upper end of tension spring (11) and the lower extreme fixed connection of diaphragm (2), the upper end fixedly connected with rectangle frame (4) of diaphragm (2).

3. The multifunctional measuring device for physics teaching as claimed in claim 1, characterized in that the upper end of the transverse plate (2) is provided with an arc-shaped groove and two guide grooves, the two guide grooves are respectively located on two sides of the arc-shaped groove.

4. The multifunctional measuring device for physics teaching of claim 1, characterized in that, stop mechanism includes stopper (16) of sliding connection in sliding sleeve (6) one side, rectangular through-hole has been seted up to one side of stopper (16), sliding connection has the installation piece (17) of rectangle structure in the rectangular through-hole, the one end of installation piece (17) and the lateral wall fixed connection of connecting block, the other end fixed connection of installation piece (17) has locating piece (18), one side of locating piece (18) and one side sliding connection of stopper (16), right angle breach has been seted up to the lower extreme of stopper (16), stopper (16) through right angle breach and one of them spacing groove joint.

5. The multifunctional measuring device for physics teaching according to claim 4, characterized in that one side of the limiting block (16) is fixedly connected with two symmetrically distributed limiting pieces (15), the upper ends of the two limiting pieces (15) are both connected with an elastic strip (14) in a sliding manner, and one end of the elastic strip (14) far away from the limiting pieces (15) is fixedly connected with the side wall of the sliding sleeve (6).