CN218768493U

CN218768493U - Slope slider presentation device that physical experiment teaching was used

Info

Publication number: CN218768493U
Application number: CN202222575973.0U
Authority: CN
Inventors: 黄建伟
Original assignee: Heze City Sports School Heze City Sports Training Center Heze City Sports Research Center
Current assignee: Heze City Sports School Heze City Sports Training Center Heze City Sports Research Center
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-28
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a slope slider demonstration device for physics experiment teaching, which comprises a fixed frame, wherein a supporting plate is arranged inside the fixed frame, a stand column is arranged on one side of the top part, one end of the supporting plate is hinged with a regulating plate, one end of the side surface of the supporting plate is fixedly connected with a protractor, an accommodating cavity is arranged inside the stand column, a lead screw is arranged inside the accommodating cavity, a driving block is in threaded connection with the outer side of the lead screw, one side of the driving block is connected with a fixed block, the tops of the supporting plate and the regulating plate are movably connected with a testing plate, an elastic plate is connected between the two testing plates, and a plurality of pressing mechanisms are arranged on the two sides of the testing plate; hold-down mechanism includes bottom plate and drum, wears to be equipped with the screw thread post in the middle of the drum, and screw thread capital portion is equipped with the diaphragm, and the drum top is equipped with the handle, and inside is equipped with the limiting plate, and the limiting plate top is equipped with the spring, and the bottom is equipped with the sleeve, and sleeve one side is connected with the clamp plate. The utility model relates to a rationally, the accurate adjustment slope angle of being convenient for is convenient for simultaneously to test panel to different materials experiment, and the practicality is strong.

Description

Slope slider presentation device that physical experiment teaching was used

Technical Field

The utility model relates to a teaching aid technical field specifically is a slope slider presentation device that physics experiment teaching was used.

Background

Physics is the science of an experiment, and the physics can not be developed and the quality of physics teaching can not be improved when the physics experiment is separated. The traditional teaching concept is the light practice of the important theory, a teacher only pays attention to the infusion of theoretical knowledge in a classroom, the cultivation of the practice ability of students is neglected, the students only remember some scientific knowledge, problems are solved by using the book theory, the experiment consciousness is very weak, and the practical ability is very poor. Therefore, the existing teaching mode needs to be improved, the experiment link is emphasized in the middle school physics teaching, students can complete the experiment manually, and the practice ability of the students is enhanced.

The slope is the device that often uses in the physical experiment, and it utilizes the gravity top-down of object self to slide down, makes the student have an audio-visual understanding to gravity and frictional force, and the coefficient of surface friction of different materials is different, and current slope presentation device is when using, is not convenient for to the inclination accurate adjustment on slope, and is not convenient for mostly demonstrate multiple material, and the practicality is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a slide block on slope presentation device that physics experiment teaching was used.

In order to solve the above problem, the technical scheme of the utility model is that: a slope slider demonstration device for physics experiment teaching comprises a fixed frame, wherein a supporting plate is arranged inside the fixed frame, a stand column is arranged on one side of the top of the fixed frame, an adjusting plate is hinged to one end of the supporting plate, sliding strips are symmetrically arranged on two sides of the supporting plate, an angle gauge is fixedly connected to one end of the side face of the supporting plate, a containing cavity is arranged inside the stand column, a lead screw is arranged inside the containing cavity, a driving block is in threaded connection with the outer side of the lead screw, a hand wheel is fixedly connected to the top of the lead screw, one side of the driving block is connected with a fixed block, test plates are movably connected to the tops of the supporting plate and the adjusting plate, an elastic plate is connected between the two test plates, and a plurality of pressing mechanisms are symmetrically arranged on two sides of the test plates;

hold-down mechanism includes bottom plate and drum, wear to be equipped with the screw thread post in the middle of the drum, screw thread capital portion is equipped with the diaphragm, the drum top is equipped with the handle, and inside is equipped with the limiting plate, the limiting plate top is equipped with the spring, and the bottom is equipped with the sleeve, sleeve one side is connected with the clamp plate, the drum bottom is equipped with the fixture block, the bottom plate top surface is equipped with the draw-in groove of a plurality of and fixture block looks adaptation.

Further, the inside bilateral symmetry of fixed frame is equipped with the spout, draw runner sliding connection is in the spout.

Further, the circle center of the protractor is coincided with the axis line of the joint of the supporting plate and the adjusting plate.

Furthermore, two ends of the adjusting plate are respectively hinged to the supporting plate and the fixing block.

Furthermore, the elastic plate both ends symmetry is equipped with the lug, two survey test panel one side in opposite directions all is equipped with the recess with lug looks adaptation.

Further, the spring is sleeved on the outer side of the threaded column, and the sleeve is in threaded connection with the threaded column.

Further, the screw rod and the threaded column are respectively and rotatably connected to the inner bottom surface of the containing cavity and the bottom plate through bearings.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses a hand wheel rotation lead screw, make the drive block drive the fixed block and remove, and then can adjust the height of regulating plate one end, the inclination of the accurate adjustment regulating plate of cooperation protractor being convenient for, upwards stimulate the handle through the finger, make the fixture block leave the draw-in groove, the limiting plate produces the extrusion to the spring simultaneously, rotate the diaphragm this moment, make the clamp plate remove to survey test panel top, loosen the handle, the fixture block enters into corresponding draw-in groove under the effect of spring in, rotate the diaphragm once more, the diaphragm drives the screw thread post and rotates, make the sleeve drive clamp plate downstream, the realization is fixed to compressing tightly of surveying the panel, through being convenient for experimenting the survey panel of different materials according to the same method, thereby the convenience is tested the demonstration to the coefficient of surface friction of different materials, improve presentation device's practicality. The utility model relates to a rationally, simple structure, the accurate adjustment slope angle of being convenient for is convenient for simultaneously to be convenient for experiment the survey test panel of different materials, and the practicality is strong.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

FIG. 3 is a schematic view of the connection structure of the test board and the elastic board.

Fig. 4 is a schematic structural view of the pressing mechanism.

As shown in the figure: 1. a fixing frame; 1.1, a chute; 2. a support plate; 3. a column; 4. an adjusting plate; 5. a slide bar; 6. a protractor; 7. a screw rod; 8. a drive block; 9. a hand wheel; 10. a fixed block; 11. a test board; 11.1, grooves; 12. an elastic plate; 12.1, a bump; 13. a hold-down mechanism; 13.1, a bottom plate; 13.2, a cylinder; 13.3, a threaded column; 13.4, a transverse plate; 13.5, a handle; 13.6, a limiting plate; 13.7, a spring; 13.8, a sleeve; 13.9, pressing plates; 13.10, a fixture block; 13.11, card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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 to 4, a slope slider demonstration device for physical experiment teaching comprises a fixed frame 1, a support plate 2 is arranged inside the fixed frame 1, a column 3 is arranged on one side of the top of the fixed frame, an adjusting plate 4 is hinged to one end of the support plate 2, slide bars 5 are symmetrically arranged on two sides of the support plate, a protractor 6 is fixedly connected to one end of the side face of the support plate 2, a containing cavity is arranged inside the column 3, a lead screw 7 is arranged inside the containing cavity, a driving block 8 is connected to the outer side of the lead screw 7 through threads, a hand wheel 9 is fixedly connected to the top of the lead screw, a fixing block 10 is connected to one side of the driving block 8, test plates 11 are movably connected to the tops of the support plate 2 and the adjusting plate 4, an elastic plate 12 is connected between the two test plates 11, and a plurality of pressing mechanisms 13 are symmetrically arranged on two sides of the test plates 11;

hold-down mechanism 13 includes bottom plate 13.1 and drum 13.2, wear to be equipped with screw thread post 13.3 in the middle of drum 13.2, screw thread post 13.3 top is equipped with diaphragm 13.4, drum 13.2 top is equipped with handle 13.5, inside is equipped with limiting plate 13.6, limiting plate 13.6 top is equipped with spring 13.7, the bottom is equipped with sleeve 13.8, sleeve 13.8 one side is connected with clamp plate 13.9, the drum bottom is equipped with fixture block 13.10, bottom plate 13.1 top surface is equipped with the draw-in groove 13.11 of a plurality of and fixture block 13.10 looks adaptation.

The inside bilateral symmetry of fixed frame 1 is equipped with spout 1.1, draw runner 5 sliding connection is in spout 1.1, the centre of a circle of protractor 6 coincides mutually with the axial lead of backup pad 2 and 4 junctions of regulating plate, 4 both ends of regulating plate articulate respectively in backup pad 2 and

fixed block

10, 12 both ends of elastic plate symmetry are equipped with lug 12.1, two test panel 11 opposite sides all are equipped with the recess 11.1 with lug 12.1 looks adaptation, the outside of threaded post 13.3 is located to spring 13.7 cover, sleeve 13.8 threaded connection is in threaded post 13.3, lead screw 7 and threaded post 13.3 rotate through the bearing respectively and connect in holding chamber inner bottom surface and bottom plate 13.1.

In specific use, lead screw 7 is rotated through hand wheel 9, impel drive block 8 to drive fixed block 10 and remove, and then can adjust the height of adjusting plate 4 one end, make backup pad 2 slide along spout 1.1 through draw runner 5 simultaneously, cooperation protractor 6, be convenient for the inclination of accurate adjustment adjusting plate 4, link together two survey test panel 11 through elastic plate 12, then place two survey test panel 11 respectively on backup pad 2 and adjusting plate 4, the user places palm root position on diaphragm 13.4, upwards stimulate handle 13.5 through the finger, make fixture block 13.10 leave draw-in groove 13.11, limiting plate 13.6 produces the extrusion to spring 13.7 simultaneously, rotate diaphragm 13.4 this moment, make clamp plate 13.9 remove to survey test panel 11 top, loosen handle 13.5, 13.10 enters into corresponding draw-in 13.11 under the effect of spring 13.7, rotate diaphragm 13.4 once more, diaphragm 13.4 drives threaded post 13.3 and rotates, impel sleeve 13.8 to drive clamp plate 13.9 and move down, realize the fixed to clamp block 11, the convenience is pressed down through the demonstration device of the same material of the demonstration, thereby the experiment is carried out the improvement to the device according to the demonstration coefficient of the convenience of the experiment, thereby the demonstration device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a slide block presentation device on slope that physical experiment teaching was used which characterized in that: the device comprises a fixed frame (1), wherein a supporting plate (2) is arranged inside the fixed frame (1), a stand column (3) is arranged on one side of the top of the fixed frame, one end of the supporting plate (2) is hinged with an adjusting plate (4), sliding strips (5) are symmetrically arranged on two sides of the fixed frame, an angle gauge (6) is fixedly connected to one end of the side face of the supporting plate (2), a containing cavity is arranged inside the stand column (3), a lead screw (7) is arranged inside the containing cavity, the outer side of the lead screw (7) is in threaded connection with a driving block (8), a hand wheel (9) is fixedly connected to the top of the driving block (8), a fixing block (10) is connected to one side of the driving block (8), test plates (11) are movably connected to the tops of the supporting plate (2) and the adjusting plate (4), an elastic plate (12) is connected between the two test plates (11), and a plurality of pressing mechanisms (13) are symmetrically arranged on two sides of each test plate (11);

hold-down mechanism (13) include bottom plate (13.1) and drum (13.2), wear to be equipped with in the middle of drum (13.2) threaded post (13.3), threaded post (13.3) top is equipped with diaphragm (13.4), drum (13.2) top is equipped with handle (13.5), and inside is equipped with limiting plate (13.6), limiting plate (13.6) top is equipped with spring (13.7), and the bottom is equipped with sleeve (13.8), sleeve (13.8) one side is connected with clamp plate (13.9), the drum bottom is equipped with fixture block (13.10), bottom plate (13.1) top surface is equipped with draw-in groove (13.11) of a plurality of and fixture block (13.10) looks adaptation.

2. The slide slope demonstration device for physical experiment teaching according to claim 1, wherein: the fixing frame is characterized in that sliding grooves (1.1) are symmetrically formed in two sides of the interior of the fixing frame (1), and the sliding strips (5) are connected to the sliding grooves (1.1) in a sliding mode.

3. The slide slope demonstration device for physical experiment teaching according to claim 1, wherein: the circle center of the protractor (6) coincides with the axis line at the joint of the support plate (2) and the adjusting plate (4).

4. The slide slope demonstration device for physical experiment teaching according to claim 1, wherein: two ends of the adjusting plate (4) are respectively hinged to the supporting plate (2) and the fixing block (10).

5. The slide slope demonstration device for physical experiment teaching according to claim 1, wherein: the elastic plate (12) is provided with two symmetrical lugs (12.1) at two ends, and two opposite sides of the test plate (11) are provided with grooves (11.1) matched with the lugs (12.1).

6. The device of claim 1 for demonstrating a slide slope for teaching physical experiments, wherein: the spring (13.7) is sleeved on the outer side of the threaded column (13.3), and the sleeve (13.8) is in threaded connection with the threaded column (13.3).

7. The slide slope demonstration device for physical experiment teaching according to claim 1, wherein: the screw rod (7) and the threaded column (13.3) are respectively and rotatably connected to the inner bottom surface of the containing cavity and the bottom plate (13.1) through bearings.