CN211216769U

CN211216769U - Support frame for physics experiments

Info

Publication number: CN211216769U
Application number: CN201922128759.9U
Authority: CN
Inventors: 李廷先
Original assignee: Anyang Normal University
Current assignee: Anyang Normal University
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-11
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses a support frame for physics experiments, including box and bottom plate, the left end fixedly connected with motor at box inner chamber top, the output shaft fixedly connected with driving shaft of motor, the driving shaft is connected with the driven shaft through belt drive, the internal fixed surface of driven shaft is connected with the bull stick, the first gear of right side fixedly connected with of bull stick, the bottom meshing of first gear is connected with the second gear, the middle-end swing joint of second gear bottom has the bracing piece, the left side meshing of second gear is connected with the third gear. The utility model discloses set up first gear, second gear, third gear and driven shaft, opened motor work through external controller, the motor drives the driving shaft and rotates, and the driving shaft passes through the belt and drives the driven shaft and rotate, and the driven shaft passes through the bull stick and drives first gear revolve, has solved current support frame for physics experiments and has not possessed the function of being convenient for to adjust, leads to people inconvenient problem when carrying out physics experiments.

Description

Support frame for physics experiments

Technical Field

The utility model relates to a physics technical field specifically is a support frame for physics experiments.

Background

Physics is the subject of research material motion law and material basic structure, is the subject based on the experiment, often needs to use all kinds of experimental facilities and devices, wherein can involve the support frame that uses when carrying out the physics experiment, and current support frame for physics experiment does not have the function of being convenient for adjust, leads to people to use inconveniently when carrying out the physics experiment, provides a support frame for physics experiment for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support frame for physics experiments to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a support frame for physics experiments, includes box and bottom plate, the left end fixedly connected with motor at box inner chamber top, the output shaft fixedly connected with driving shaft of motor, the driving shaft is connected with the driven shaft through belt drive, the internal surface fixedly connected with bull stick of driven shaft, the first gear of right side fixedly connected with of bull stick, the bottom meshing of first gear is connected with the second gear, the middle-end swing joint of second gear bottom has the bracing piece, the left side meshing of second gear is connected with the third gear.

Preferably, the middle end of the top of the bottom plate is movably connected with a loop bar through a first rotating shaft, an inserted bar is inserted into the inner surface of the upper end of the loop bar through a screw, and a plurality of through holes are formed in the inner surface of the middle end of the front surface of the inserted bar.

Preferably, the top of the inserted bar is fixedly connected with a transverse plate, the inner surface of the middle end of the top of the transverse plate is provided with a sliding groove, and the middle end of the inner cavity of the sliding groove is slidably connected with a sliding block.

Preferably, the top of the sliding block is movably connected with a second connecting rod through a third rotating shaft, the upper left end of the second connecting rod is movably connected with a first connecting rod through a second rotating shaft, and the top of the first connecting rod is fixedly connected with a placing disc.

Preferably, the middle ends of the left side and the right side of the box body are provided with heat dissipation holes, and the left end and the right end of the bottom plate bottom are fixedly connected with self-braking universal wheels.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses first gear has been set up, the second gear, third gear and driven shaft, open motor work through external controller, the motor drives the driving shaft and rotates, the driving shaft passes through the belt and drives the driven shaft and rotate, the driven shaft drives first gear rotation through the bull stick, first gear drives third gear rotation through the second gear, the third gear drives the loop bar through first pivot and rotates, the adjustable inserted bar height of screw is unscrewed, adjust suitable height and tighten the screw again, the slider is passed through in the third pivot and control about the inner chamber of spout, the purpose of being convenient for adjust has been reached, the current support frame for the physics experiment does not possess the function of being convenient for to adjust, lead to people inconvenient problem when carrying out the physics experiment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the driven shaft structure of the present invention.

In the figure: 1. a box body; 2. a first gear; 3. heat dissipation holes; 4. a support bar; 5. a second gear; 6. a first rotating shaft; 7. a third gear; 8. self-braking universal wheels; 9. a base plate; 10. a motor; 11. a belt; 12. a second rotating shaft; 13. a first connecting rod; 14. placing a tray; 15. a second connecting rod; 16. a third rotating shaft; 17. a chute; 18. a transverse plate; 19. a slider; 20. a through hole; 21. inserting a rod; 22. a screw; 23. a loop bar; 24. a rotating rod; 25. a driven shaft; 26. a drive shaft.

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. 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a box 1, first gear 2, louvre 3, bracing piece 4, second gear 5, first pivot 6, third gear 7, the universal wheel 8 of stopping certainly, bottom plate 9, motor 10, belt 11, second pivot 12, head rod 13, place dish 14, second connecting rod 15, third pivot 16, spout 17, diaphragm 18, slider 19, through-hole 20, inserted bar 21, screw 22, loop bar 23, bull stick 24, driven shaft 25 and driving shaft 26 part are the general standard or the part that technical personnel in the field know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

Referring to fig. 1-2, a support frame for physical experiments comprises a box body 1 and a bottom plate 9, a loop bar 23 is movably connected to the middle end of the top of the bottom plate 9 through a first rotating shaft 6, an inserting bar 21 is inserted into the inner surface of the upper end of the loop bar 23 through a screw 22, a plurality of through holes 20 are formed in the inner surface of the middle end of the front surface of the inserting bar 21, a horizontal plate 18 is fixedly connected to the top of the inserting bar 21, a sliding groove 17 is formed in the inner surface of the middle end of the top of the horizontal plate 18, a sliding block 19 is slidably connected to the middle end of the inner cavity of the sliding groove 17, a second connecting bar 15 is movably connected to the top of the sliding block 19 through a third rotating shaft 16, a first connecting bar 13 is movably connected to the upper left end of the second connecting bar 15 through a second rotating shaft 12, heat dissipation holes 14 are fixedly connected to the top, the left end and the right end of the bottom plate 9 are both fixedly connected with self-braking universal wheels 8, an output shaft of a motor 10 is fixedly connected with a driving shaft 26, the driving shaft 26 is in transmission connection with a driven shaft 25 through a belt 11, the inner surface of the driven shaft 25 is fixedly connected with a rotating rod 24, the right side of the rotating rod 24 is fixedly connected with a first gear 2, the bottom of the first gear 2 is in meshing connection with a second gear 5, the middle end of the bottom of the second gear 5 is movably connected with a supporting rod 4, the left side of the second gear 5 is in meshing connection with a third gear 7, the first gear 2, the second gear 5, the third gear 7 and the driven shaft 25 are arranged, the motor 10 is started to work through an external controller, the motor 10 drives the driving shaft 26 to rotate, the driving shaft 26 drives the driven shaft 25 to rotate through the belt 11, the driven shaft 25 drives the first gear 2 to rotate, third gear 7 drives loop bar 23 through first pivot 6 and rotates, unscrews the adjustable inserted bar 21 height of screw 22, adjusts suitable high screw down screw 22 again, and third pivot 16 moves about the inner chamber of spout 17 through slider 19, has reached the purpose of being convenient for adjust (the model of external controller is DATA-7311 in this application, and simultaneously, two wiring ends of external controller are connected with power plug through the wire, and adopt the commercial power to supply power in this application).

During the use, first gear 2 has been set up, second gear 5, third gear 7 and driven shaft 25, open motor 10 work through external controller, motor 10 drives driving shaft 26 and rotates, driving shaft 26 drives driven shaft 25 through belt 11 and rotates, driven shaft 25 drives first gear 2 through bull stick 24 and rotates, first gear 2 drives third gear 7 through second gear 5 and rotates, third gear 7 drives loop bar 23 through first pivot 6 and rotates, unscrew the adjustable inserted bar 21 height of screw 22, adjust suitable height and tighten screw 22 again, third pivot 16 passes through slider 19 and removes about the inner chamber of spout 17, the mesh of being convenient for to adjust has been reached, the current support frame for the physics experiment of having solved does not have the function of being convenient for adjust, lead to people inconvenient problem when carrying out the physics experiment.

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.

Claims

1. The utility model provides a support frame for physics experiments, includes box (1) and bottom plate (9), its characterized in that: the utility model discloses a gearbox casing, including box (1), inner chamber, output shaft fixedly connected with motor (10) at box (1) inner chamber top, output shaft fixedly connected with driving shaft (26) of motor (10), driving shaft (26) are connected with driven shaft (25) through belt (11) transmission, the internal surface fixedly connected with bull stick (24) of driven shaft (25), the first gear of right side fixedly connected with (2) of bull stick (24), the bottom meshing of first gear (2) is connected with second gear (5), the middle-end swing joint of second gear (5) bottom has bracing piece (4), the left side meshing of second gear (5) is connected with third gear (7).

2. The support frame for physical experiments as claimed in claim 1, wherein: the middle end of the top of the bottom plate (9) is movably connected with a loop bar (23) through a first rotating shaft (6), an inserting rod (21) is inserted into the inner surface of the upper end of the loop bar (23) through a screw (22), and a plurality of through holes (20) are formed in the inner surface of the middle end of the front face of the inserting rod (21).

3. The support frame for physical experiments as claimed in claim 2, wherein: the top fixedly connected with diaphragm (18) of inserted bar (21), spout (17) have been seted up to the internal surface of diaphragm (18) top middle-end, the middle-end sliding connection of spout (17) inner chamber has slider (19).

4. The support frame for physical experiments as claimed in claim 3, wherein: the top of slider (19) has second connecting rod (15) through third pivot (16) swing joint, the upper left end of second connecting rod (15) has first connecting rod (13) through second pivot (12) swing joint, top fixedly connected with of first connecting rod (13) places dish (14).

5. The support frame for physical experiments as claimed in claim 1, wherein: the middle ends of the left side and the right side of the box body (1) are provided with heat dissipation holes (3), and the left end and the right end of the bottom plate (9) are fixedly connected with self-braking universal wheels (8).