CN210155949U

CN210155949U - Experiment car for physical teaching

Info

Publication number: CN210155949U
Application number: CN201920693555.7U
Authority: CN
Inventors: 周思辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-03-17
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses an experimental car for physical teaching, including laboratory bench and experimental car, the last fixed surface of laboratory bench installs the slide rail, the lower surface of experimental car is close to the slide rail and has seted up the spout, the one end fixed mounting of laboratory bench has the support down tube, and the other end that supports the down tube is provided with the fixed pulley, the surface of fixed pulley is provided with wire rope, and wire rope's one end fixed mounting has the scale pan, the mounting groove has been seted up to the one end of experimental car, and the other end of experimental car has seted up No. two mounting grooves, the inside fixed mounting of a mounting groove has the retainer plate, and the surface of retainer plate is provided with the hasp, wire rope's the other end is close to the hasp and is provided with the. The utility model discloses simple structure can conveniently fix the card paper of dotting, and the pulling card paper leaves the trace of dotting of time-recorder when the experiment car removes, can carry on spacingly to the removal orbit of experiment car, keeps the linear motion of experiment car.

Description

Experiment car for physical teaching

Technical Field

The utility model relates to a teaching equipment field especially relates to a laboratory car is used in physics teaching.

Background

The motion has speed change, and the change law is different, the relation to speed, power and time is explored through the motion orbit of research experiment car, consequently, in physical teaching, the use to the experiment car is comparatively common, there is certain drawback in current experiment car for physical teaching when using, the orbit of marcing of experiment car can not carry on spacingly, the orbit that draws on dotting the card paper is not on a straight line, the inconvenience has been brought for measuring and calculating to the experimental result, simultaneously, the fixed operation of experiment car to the card paper is inconvenient, the preparation work of giving the experiment has brought the trouble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving some problems existing in the prior art and providing a physical teaching experiment vehicle.

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

an experimental vehicle for physical teaching, comprising an experimental bench and an experimental vehicle, wherein the upper surface of the experimental bench is fixedly provided with a slide rail, the lower surface of the experimental vehicle is close to the slide rail and is provided with a slide groove, the experimental vehicle is movably connected with the experimental bench through the slide groove, one end of the experimental bench is fixedly provided with a supporting diagonal rod, the other end of the supporting diagonal rod is provided with a fixed pulley, the outer surface of the fixed pulley is provided with a steel wire rope, one end of the steel wire rope is fixedly provided with a weight tray, one end of the experimental vehicle is provided with a first mounting groove, the other end of the experimental vehicle is provided with a second mounting groove, the inside of the first mounting groove is fixedly provided with a fixed ring, the outer surface of the fixed ring is provided with a hasp, the other end of the steel wire rope is provided with a fixing part, and the hasp passes through fluting and retainer plate swing joint, the inside top of No. two mounting grooves is provided with a card paper splint, and is provided with No. two card paper splint below the inside of No. two mounting grooves, the equal fixed mounting of the upper end of a card paper splint and No. two card paper splint's lower extreme has the connecting rod.

Preferably, both sides of the lower end of the experimental vehicle are provided with four groups of small pulleys, and the small pulleys are symmetrically arranged in pairs by taking the experimental vehicle as the center.

Preferably, a groove is formed in the upper portion of the outer surface of the experiment vehicle, and a fixed shaft is arranged inside the fixed pulley.

Preferably, a card paper placing groove is formed between the first card paper clamping plate and the second card paper clamping plate.

Preferably, the springs are arranged on two sides of the inner surface of the second mounting groove, close to the connecting rod, and the number of the springs is a plurality of groups.

Preferably, the pulling buckle is fixedly arranged at the upper end of the first card paper clamping plate and at one end of the second card paper clamping plate.

Compared with the prior art, the utility model provides a laboratory vehicle is used in physics teaching possesses following beneficial effect:

1. this experiment car for physical teaching through setting up a card paper splint, No. two card paper splint, retainer plate, mounting and hasp, can make things convenient for the fixed card paper of dotting to pulling card paper leaves the vestige of dotting of time-recorder when the experiment car removes, the convenient calculation to the speed, simultaneously, can be connected with wire rope, and the removal that drives the experiment car under the pulling force of weight is tested.

2. This experiment car for physical teaching through setting up slide rail and recess, can carry on spacingly to the removal orbit of experiment car, keeps the linear motion of experiment car, avoids the experiment car at the in-process skew that removes, makes the point of beating on a straight line, conveniently calculates.

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 simple structure can make things convenient for the fixed card paper of dotting to pulling card paper leaves the vestige of dotting of time-recorder when the laboratory car removes, calculates speed, and the removal orbit to the laboratory car is spacing, keeps the linear motion of laboratory car.

Drawings

Fig. 1 is a schematic structural view of a physical teaching experiment vehicle provided by the utility model;

fig. 2 is the utility model provides a local view of experiment car for physical teaching.

In the figure: the device comprises a test bed 1, a slide rail 2, a test vehicle 3, a groove 4, a sliding groove 5, a small pulley 6, a supporting diagonal rod 7, a fixed pulley 8, a steel wire rope 9, a weight tray 10, a mounting groove 11I, a fixing ring 12, a fixing part 13, a buckle 14, a groove 15, a mounting groove 16 II, a paper clamping plate 17I, a paper clamping plate 18 II, a connecting rod 19, a spring 20 and a toggle buckle 21.

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. 1-2, an experimental cart for physical teaching comprises an experimental table 1 and an experimental cart 3, a sliding rail 2 is fixedly installed on the upper surface of the experimental table 1, a sliding groove 5 is formed on the lower surface of the experimental cart 3 near the sliding rail 2, the experimental cart 3 is movably connected with the experimental table 1 through the sliding groove 5, a supporting diagonal rod 7 is fixedly installed at one end of the experimental table 1, a fixed pulley 8 is arranged at the other end of the supporting diagonal rod 7, a steel wire rope 9 is arranged on the outer surface of the fixed pulley 8, a weight tray 10 is fixedly installed at one end of the steel wire rope 9, a first installation groove 11 is formed at one end of the experimental cart 3, a second installation groove 16 is formed at the other end of the experimental cart 3, a fixed ring 12 is fixedly installed inside the first installation groove 11, a buckle 14 is arranged on the outer surface of the fixed ring 12, a fixing part 13 is arranged at the other end, a slot 15 is formed in the inner surface of the buckle 14, the buckle 14 is movably connected with the fixing ring 12 through the slot 15, a first card paper clamping plate 17 is arranged above the inner portion of the second mounting groove 16, a second card paper clamping plate 18 is arranged below the inner portion of the second mounting groove 16, and a connecting rod 19 is fixedly mounted at the upper end of the first card paper clamping plate 17 and the lower end of the second card paper clamping plate 18.

The lower extreme both sides of laboratory car 3 all are provided with the small pulley 6, and the quantity of small pulley 6 is four groups, small pulley 6 uses laboratory car 3 to set up as two bisymmetry at center, recess 4 has been seted up to laboratory car 3's surface top, the inside of fixed pulley 8 is provided with the fixed axle, the card paper standing groove has been seted up to the centre of a card paper splint 17 and No. two card paper splint 18, the internal surface both sides of No. two mounting grooves 16 are close to connecting rod 19 and all are provided with spring 20, and spring 20's quantity is a plurality of groups, the upper end of a card paper splint 17 and the equal fixed mounting in one end of No. two card paper splint 18 have to pull knot 21.

In the utility model, the pulling buckle 21 is pushed, under the action of the spring 20 on the connecting rod 19, the first card paper clamping plate 17 and the second card paper clamping plate 18 in the second mounting groove 16 are separated, the card paper is put in and the pulling buckle 21 is loosened to fix the dotting card paper, so that the card paper is pulled to leave the dotting trace of the timer when the experimental vehicle 3 moves, the speed is convenient to calculate, the fixing ring 12 in the first mounting groove 11 and the hasp 14 fixed by the fixing part 13 on the steel wire rope 9 are matched for use, the experimental vehicle 3 is connected with the steel wire rope 9, the slot 15 facilitates the use of the hasp 14, the steel wire rope 9 drives the movement of the experimental vehicle 3 through the fixed pulley 8 fixed on the supporting inclined rod 7 under the pulling force of the weight on the weight disc 10 to carry out the experiment, the sliding rail 2 on the experimental platform 1 and the sliding groove 5 on the experimental vehicle 3 are mutually matched to limit the movement track of the experimental vehicle 3, and the linear motion of the experimental vehicle, the deviation of the test car 3 in the moving process under the driving of the small pulley 6 is avoided, the hit points are on the same straight line, the measurement and calculation are convenient, the groove 4 facilitates the holding and placing of the test car 3, and the practicability is achieved.

In this document, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 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 utility model provides an experimental vehicle for physical teaching, includes laboratory bench (1) and experimental vehicle (3), its characterized in that, the last fixed surface of laboratory bench (1) installs slide rail (2), the lower surface of experimental vehicle (3) is close to slide rail (2) and has seted up spout (5), and experimental vehicle (3) pass through spout (5) and laboratory bench (1) swing joint, the one end fixed mounting of laboratory bench (1) has support down tube (7), and the other end of supporting down tube (7) is provided with fixed pulley (8), the surface of fixed pulley (8) is provided with wire rope (9), and the one end fixed mounting of wire rope (9) has weight dish (10), No. one mounting groove (11) has been seted up to the one end of experimental vehicle (3), and the other end of experimental vehicle (3) has seted up No. two mounting grooves (16), the inside fixed mounting of No. one mounting groove (11) has retainer plate (12), and the surface of retainer plate (12) is provided with hasp (14), the other end of wire rope (9) is close to hasp (14) and is provided with mounting (13), hasp (14) are through mounting (13) and wire rope (9) fixed connection, fluting (15) have been seted up to the internal surface of hasp (14), and hasp (14) are through fluting (15) and retainer plate (12) swing joint, the inside top of No. two mounting grooves (16) is provided with a card paper splint (17), and the inside below of No. two mounting grooves (16) is provided with No. two card paper splint (18), the equal fixed mounting of the upper end of a card paper splint (17) and the lower extreme of No. two card paper splint (18) has connecting rod (19).

2. The experiment vehicle for physics teaching of claim 1, characterized in that both sides of the lower end of the experiment vehicle (3) are provided with small pulleys (6), and the number of the small pulleys (6) is four, the small pulleys (6) are arranged in pairwise symmetry with the experiment vehicle (3) as the center.

3. A laboratory vehicle for physical teaching according to claim 1, wherein a groove (4) is formed in the upper portion of the outer surface of the laboratory vehicle (3), and a fixed shaft is arranged in the fixed pulley (8).

4. The experiment vehicle for physics teaching of claim 1, characterized in that a cardboard placing groove is opened in the middle of the first cardboard clamping plate (17) and the second cardboard clamping plate (18).

5. The experiment vehicle for physics teaching of claim 4, characterized in that the two sides of the inner surface of the second installation groove (16) near the connecting rod (19) are provided with springs (20), and the number of the springs (20) is several groups.

6. The experiment vehicle for physics teaching of claim 1, wherein the upper end of the first cardboard plate (17) and the one end of the second cardboard plate (18) are both fixedly provided with a pulling buckle (21).