CN211216788U

CN211216788U - Experiment support for physics

Info

Publication number: CN211216788U
Application number: CN201922137344.8U
Authority: CN
Inventors: 徐成歧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-11
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses an experiment support is used to physics, including the dead lever, dead lever right side bottom fixed surface installs first experiment frame, dead lever middle-end surface slidable mounting has the cavity slip tube, cavity slip tube right side top fixed surface installs the second experiment frame, the impartial distance fixed mounting in both ends surface has the bracing piece about the cavity slip tube is inside, per two all run through movable mounting between the bracing piece middle-end is inside has the rotary rod. The utility model discloses because the bracing piece is all installed to both ends surface about cavity slip tube is inside to install the pulley through the bull stick inside the bracing piece, and hug closely the pulley surface on the dead lever surface, and then drive cavity slip tube through the pulley and slide on the dead lever surface from top to bottom, and then make the upper and lower position height of adjusting second experiment frame, and then guarantee that second experiment frame can adjust the demonstration height to different demonstration environments, comparatively practical, be fit for extensively promoting and using.

Description

Experiment support for physics

Technical Field

The utility model is suitable for a teaching demonstration auxiliary device field, in particular to experiment support for physics.

Background

At present, physics is a subject for researching the most general law of motion and basic structure of substances, and is used as a leading subject of natural science, and the physics researches the most basic motion form and law of all substances such as universe and basic particles, so that the physics becomes the research foundation of other natural scientific subjects, and corresponding experiment supports are often used for research when physical academic research is carried out.

However, there are still some disadvantages in the experimental scaffolds used today: 1. because the structure of the experimental support used at present is completely determined during manufacturing, the height of the experimental support cannot be adjusted according to the different heights of experimenters, so that the experimenters are uncomfortable, and subsequent normal experiments are influenced; 2. to when using the test tube, often need the handheld test tube of user to carry out heat treatment to it, and after long-time handheld, the very discomfort of experimenter health to simple test tube clamping device, can't adjust according to the size of test tube. Therefore, we propose a physical experimental scaffold.

Disclosure of Invention

The utility model discloses a main aim at provides an experiment support for physics can effectively solve the problem in the background art.

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

a physical experiment support comprises a fixed rod, wherein a first experiment frame is fixedly arranged on the surface of the bottom end of the right side of the fixed rod, a hollow sliding tube is slidably arranged on the surface of the middle end of the fixed rod, a second experiment frame is fixedly arranged on the surface of the top end of the right side of the hollow sliding tube, supporting rods are fixedly arranged on the surfaces of the upper end and the lower end of the hollow sliding tube at equal intervals, a rotating rod is movably arranged between the inner parts of the middle ends of every two supporting rods in a penetrating mode, a pulley is fixedly arranged on the surface of the middle end of each rotating rod, and the surface of the top;

first fixed screw, every have all been seted up to cavity slip tube left and right sides middle-end inside first fixed screw inside wall all runs through movable mounting and has fixing bolt, cavity slip tube left and right sides middle-end is inside all to be connected through fixing bolt and dead lever left and right sides middle-end, the fixed screw of second has all been seted up to dead lever left and right sides middle-end inside, every the diameter of first fixed screw inside wall all is the same with the diameter of the fixed screw inside wall of second, every first internal thread has all been seted up to the fixed screw inside wall of second, every first external screw thread has all been seted up to fixing bolt bottom lateral wall, first external screw thread and first internal thread looks adaptation.

Preferably, a plurality of test tube mouths have been seted up to the inside equidistance of second experiment frame, every the equal fixed mounting in test tube mouth top left and right sides surface has the connecting pipe, every rotatory screw has all been seted up to connecting pipe middle-end inside, every movable mounting is all run through to rotatory screw inside wall has a clamping bolt, every clamping bolt top surface all runs through fixed mounting inside the grip block middle-end through the bearing, every the grip block all is the arc, every second external screw thread has all been seted up to clamping bolt middle-end lateral wall, every the second internal thread has all been seted up to rotatory screw inside wall, second external screw thread second internal thread looks adaptation.

Preferably, first experiment frame top surface equidistance fixed mounting has a fixed plate, every the mouth is deposited all having seted up to fixed plate top inside, the quantity of depositing the mouth is the same with the quantity of test tube mouth.

Preferably, every equal fixed mounting of lateral wall has first anti-skidding friction pad in the test tube mouth, every deposit the equal fixed mounting of inside wall of mouth has second anti-skidding friction pad.

Preferably, the fixed rod, the first experiment frame, the hollow sliding tube, the supporting rod, the rotating rod, the second experiment frame, the connecting tube, the clamping plate and the fixed plate are all made of carbon steel, and the first anti-skid friction pad and the second anti-skid friction pad are all made of rubber materials.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses an experiment support for physics, because the upper and lower both ends surface is all installed with the bracing piece in the inside of hollow sliding tube, and install the pulley through the bull stick in the bracing piece, and hug closely the pulley surface on the fixed rod surface, and then drive hollow sliding tube through the pulley and slide from top to bottom on the fixed rod surface, and then make the upper and lower position height of adjusting the second experiment frame, and then guarantee that the second experiment frame can adjust the demonstration height to different demonstration environment, and set up first fixed screw and second fixed screw respectively in hollow sliding tube and fixed rod inside, and then after having adjusted the upper and lower position of hollow sliding tube, can pass the fixed bolt simultaneously inside first fixed screw and second fixed screw, and then fix the position stability of hollow sliding tube on corresponding fixed rod surface, and then avoid in the demonstration experiment process, the second experiment frame slides wantonly and causes the experiment failure, guarantees the rationality of whole device.

2. The utility model discloses an experimental support is used to physics, because the test tube mouth has been seted up inside the second experiment frame, and install the connecting pipe on test tube mouth top, and rotatory screw has been seted up inside the connecting pipe, and install holding bolt through second internal thread and second external screw thread looks adaptation inside rotatory screw, and then can drive the position of controlling of adjusting the grip block through rotating holding bolt, and then adjust the interval between two grip blocks, the test tube that makes different width all can be stabilized by the centre gripping and fix between two grip blocks, and then make installing inside the second experiment frame that the test tube can be stable, guarantee the stability of demonstration experimentation test tube.

3. The utility model discloses an experiment support is used to physics, because at first experiment frame surface mounting there is the fixed plate to at fixed plate internally mounted, can be with the stable installation in the fixed orifices of alcohol burner for experiments, avoid the alcohol burner to receive the outside when using and rock the back, lead to wine alcohol burner also to take place thereupon and rock and take place danger, and through first anti-skidding friction pad and second anti-skidding friction pad, guarantee that test tube and alcohol burner all can be stable install inside this device.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the physical experiment support of the present invention;

fig. 2 is the overall overlooking sectional structure schematic diagram of the physical experiment support of the utility model.

Reference numerals: dead lever 1, first experiment frame 2, cavity slide tube 3, bracing piece 4, rotary rod 5, pulley 6, first fixed screw 7, fixing bolt 8, the fixed screw 9 of second, first external screw thread 10, first internal thread 11, second experiment frame 12, test tube mouth 13, first anti-skidding friction pad 14, connecting pipe 15, rotatory screw 16, clamping bolt 17, bearing 18, grip block 19, second internal thread 20, second external screw thread 21, fixed plate 22, deposit mouth 23, second anti-skidding friction pad 24.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following 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.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

As shown in fig. 1-2, an experimental support for physics comprises a fixing rod 1, wherein a first experimental frame 2 is fixedly installed on the surface of the bottom end of the right side of the fixing rod 1, a hollow sliding tube 3 is slidably installed on the surface of the middle end of the fixing rod 1, a second experimental frame 12 is fixedly installed on the surface of the top end of the right side of the hollow sliding tube 3, supporting rods 4 are fixedly installed on the surfaces of the upper end and the lower end of the interior of the hollow sliding tube 3 at equal intervals, a rotating rod 5 is movably installed between the interiors of the middle ends of every two supporting rods 4 in a penetrating manner, a pulley 6 is fixedly installed on the surface of the middle end of each rotating rod 5, and the surface of;

first fixed screw 7, every have all been seted up to 3 left and right sides middle-end insides of cavity sliding tube 7 inside walls of first fixed screw all run through movable mounting and have fixing bolt 8, 3 left and right sides middle-end insides of cavity sliding tube all are connected with 1 left and right sides middle-end insides of dead lever through fixing bolt 8, the fixed screw 9 of second has all been seted up to 1 left and right sides middle-end insides of dead lever, every the diameter of 7 inside walls of first fixed screw all is the same with the diameter of the fixed screw 9 inside walls of second, every first internal thread 11, every first external screw thread 10 has all been seted up to the fixed screw 9 inside walls of second, every first external screw thread 10 and first internal thread 11 looks adaptations are all seted up to 8 bottom lateral walls of fixing bolt.

In the embodiment, as shown in fig. 1 and fig. 2, since the supporting rods 4 are respectively installed on the upper and lower end surfaces inside the hollow sliding tube 3, the pulleys 6 are installed inside the supporting rods 4 through the rotating rods 5, the surfaces of the pulleys 6 are tightly attached to the surface of the fixing rod 1, and the hollow sliding tube 3 is driven by the pulleys 6 to slide up and down on the surface of the fixing rod 1, so as to adjust the upper and lower position heights of the second experiment frame 12, and further ensure that the second experiment frame 12 can adjust the demonstration heights according to different demonstration environments, and the first fixing screw hole 7 and the second fixing screw hole 9 are respectively formed inside the hollow sliding tube 3 and the fixing rod 1, and after the upper and lower positions of the hollow sliding tube 3 are adjusted, the fixing bolt 8 can simultaneously pass through the first fixing screw hole 7 and the second fixing screw hole 9, so as to stably fix the position of the hollow sliding tube 3 on the surface of the corresponding fixing rod 1, and then avoid in the demonstration experiment process, the second experiment frame 12 is arbitrary slides and causes the experiment failure, guarantees the rationality of whole device.

Wherein, a plurality of test tube mouths 13, every have been seted up to the inside equidistance of second experiment frame 12 the equal fixed mounting in test tube mouth 13 top left and right sides surface has connecting pipe 15, every rotatory screw 16 has all been seted up to connecting pipe 15 middle-end inside, every there is clamping bolt 17, every rotatory screw 16 inside walls all runs through movable mounting there is clamping bolt 17, every clamping bolt 17 top surface all runs through fixed mounting inside 19 middle-end through bearing 18, every clamping plate 19 all is the arc, every second external thread 21 has all been seted up to clamping bolt 17 middle-end lateral wall, every second internal thread 20 has all been seted up to rotatory screw 16 inside walls, second external thread 21 second internal thread 20 looks adaptation.

As shown in fig. 1 in this embodiment, because the test tube mouth 13 has been seted up inside second experiment frame 12, and install connecting pipe 15 on test tube mouth 13 top, and at inside rotatory screw 16 of having seted up of connecting pipe 15, and install clamping bolt 18 through second internal thread 20 and second external screw 21 looks adaptation inside rotatory screw 16, and then can drive the position of controlling of adjusting grip block 19 through rotating clamping bolt 18, and then adjust the interval between two grip blocks 19, the test tube that makes different width all can be stably fixed between two grip blocks 19 by the centre gripping, and then make the test tube can be stable install inside second experiment frame 12, guarantee the stability of demonstration experiment process test tube.

Wherein, 2 top surface equidistance fixed mounting of first experiment frame has fixed plate 22, every fixed plate 22 top is inside all to have seted up and to have deposited mouth 23, the quantity of depositing mouth 23 is the same with test tube mouth 13's quantity.

In this embodiment, as shown in fig. 1, the fixing plate 22 is installed on the surface of the first experiment frame 2, and the fixing port 23 is installed inside the fixing plate 22, so that the alcohol burner for experiments can be stably installed in the fixing port 23, and the danger caused by the fact that the alcohol burner shakes due to external impact on the whole device when the alcohol burner is used is avoided.

Wherein, every the equal fixed mounting of test tube mouth 13 inside wall has first anti-skidding friction pad 14, every the equal fixed mounting of the 23 inside wall of deposit mouth has second anti-skidding friction pad 24.

In this embodiment, as shown in fig. 1, the first anti-slip friction pad 14 and the second anti-slip friction pad 24 ensure that both the test tube and the alcohol lamp can be stably installed inside the device.

The fixing rod 1, the first experiment frame 2, the hollow sliding tube 3, the supporting rod 4, the rotating rod 5, the second experiment frame 12, the connecting tube 15, the clamping plate 19 and the fixing plate 22 are all made of carbon steel, and the first anti-skid friction pad 14 and the second anti-skid friction pad 24 are all made of rubber.

In the embodiment, as shown in fig. 1 and fig. 2, the rubber material has good elasticity, so that damage to the parts in the pulling process can be avoided, and the carbon steel material has the characteristics of low price and easy smelting, so that the carbon steel material can be molded into a required shape.

It should be noted that the utility model relates to an experimental support for physics, which comprises a fixed rod 1, a first experimental support 2, a hollow sliding tube 3, a support rod 4, a rotary rod 5, a pulley 6, a first fixing screw hole 7, a fixing bolt 8, a second fixing screw hole 9, a first external thread 10, a first internal thread 11, a second experimental support 12, a test tube port 13, a first anti-skid friction pad 14, a connecting tube 15, a rotating screw hole 16, a clamping bolt 17, a bearing 18, a clamping plate 19, a second internal thread 20, a second external thread 21, a fixing plate 22, a storage port 23, a second anti-skid friction pad 24, all of which are universal standard components or components known by technicians in the neighborhood, and the structure and principle of which can be known by technicians in the technical manual or by conventional experimental methods, during operation, the hollow sliding tube 3 is pulled, the height of the second experimental support 12 is adjusted, rotatory fixing bolt 8 of using is with stable the installing on dead lever 1 surface of cavity sliding tube 3, put into test tube mouth 13 inside with the test tube that needs use again, rotate clamping bolt 17, make 19 surfaces of grip block hug closely on the test tube surface, leave the alcohol burner in the corresponding fixed mouthful 23 insides of test tube bottom again, compare in traditional teaching demonstration auxiliary device, this device is owing to both ends surface all installs bracing piece 4 about cavity sliding tube 3 is inside, and install pulley 6 through rotary rod 5 at inside ann of bracing piece 4, and hug closely pulley 6 surface on dead lever 1 surface, and then drive cavity sliding tube 3 through pulley 6 and slide on dead lever 1 is surperficial from top to bottom, and then make the upper and lower position height of adjusting second experiment frame 12, and then guarantee that second experiment frame 12 can adjust the demonstration height to different demonstration environments, and set up first fixed screw 7 and the fixed screw of second respectively inside cavity sliding tube 3 and dead lever 19, and then after having adjusted the upper and lower position of cavity sliding tube 3, can pass first fixed screw 7 and the fixed screw 9 inside of second simultaneously with fixing bolt 8, and then with the stable fixing in corresponding dead lever 1 surface in position of cavity sliding tube 3, and then avoid in the demonstration experimentation, the second experiment frame 12 is arbitrary slides and causes the experiment failure, guarantees the rationality of whole device.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an experiment support for physics, includes dead lever (1), its characterized in that: the device comprises a fixing rod (1), a first experiment frame (2) is fixedly arranged on the surface of the bottom end of the right side of the fixing rod (1), a hollow sliding tube (3) is slidably arranged on the surface of the middle end of the fixing rod (1), a second experiment frame (12) is fixedly arranged on the surface of the top end of the right side of the hollow sliding tube (3), supporting rods (4) are fixedly arranged on the surfaces of the upper end and the lower end of the interior of the hollow sliding tube (3) at equal intervals, a rotating rod (5) is movably arranged between the interiors of the middle ends of every two supporting rods (4) in a penetrating mode, a pulley (6) is fixedly arranged on the surface of the middle end of each rotating rod (5);

first fixing screw holes (7) are formed in the middle ends of the left side and the right side of the hollow sliding pipe (3), a fixing bolt (8) is movably arranged on the inner side wall of each first fixing screw hole (7) in a penetrating manner, the insides of the middle ends of the left side and the right side of the hollow sliding tube (3) are connected with the insides of the middle ends of the left side and the right side of the fixed rod (1) through fixed bolts (8), the fixed screw (9) of second, every have all been seted up to dead lever (1) left and right sides middle-end inside first fixed screw (7) inside wall's diameter all is the same with the diameter of the fixed screw (9) inside wall of second, every first internal thread (11), every have all been seted up to the fixed screw (9) inside wall of second first external screw thread (10), first external screw thread (10) and first internal screw thread (11) looks adaptation have all been seted up to fixing bolt (8) bottom lateral wall.

2. The physical laboratory support according to claim 1, wherein: a plurality of test tube mouths (13), every have been seted up to inside equidistance of second experiment frame (12) the equal fixed mounting in test tube mouth (13) top left and right sides surface has connecting pipe (15), every rotatory screw (16), every have all been seted up to connecting pipe (15) middle-end inside rotatory screw (16) inside wall all runs through movable mounting there are clamping bolt (17), every clamping bolt (17) top surface all runs through fixed mounting inside clamping plate (19) middle-end through bearing (18), every clamping plate (19) all are the arc, every second external screw thread (21), every have all been seted up to clamping bolt (17) middle-end lateral wall second internal thread (20) have all been seted up to rotatory screw (16) inside wall, second external screw thread (21) second internal thread (20) looks adaptation.

3. The physical laboratory support according to claim 1, wherein: first experiment frame (2) top surface equidistance fixed mounting has fixed plate (22), every fixed plate (22) top is inside all seted up and has deposited mouth (23), the quantity of depositing mouth (23) is the same with the quantity of test tube mouth (13).

4. The physical laboratory support according to claim 3, wherein: every equal fixed mounting of test tube mouth (13) inside wall has first anti-skidding friction pad (14), every the equal fixed mounting of mouth (23) inside wall has second anti-skidding friction pad (24).

5. The physical laboratory support according to claim 4, wherein: dead lever (1), first experiment frame (2), cavity slip tube (3), bracing piece (4), rotary rod (5), second experiment frame (12), connecting pipe (15), grip block (19) and fixed plate (22) all are made by carbon steel matter, first anti-skidding friction pad (14) and second anti-skidding friction pad (24) are all made by rubber material.