CN208335557U - Bracket is used in a kind of demonstration of physical mechanics - Google Patents

Abstract

The utility model discloses a kind of physical mechanics demonstration brackets, including mounting box, storage box is provided with above the mounting box, it is fixedly connected between the mounting box and storage box by support plate, the upper surface of the storage box offers containing cavities, there are two mounting plates for the bottom setting of containing cavities, the upper end of the mounting plate offers slideway, a sliding block is movably set in slideway, mechanics demo platform is provided with above the storage box, the inside both ends of the mounting box are fixedly installed with electric pushrod, the middle inside of the mounting box is equipped with battery, the electric pushrod uniform battery is electrically connected, the upper end side of the storage box is hinged with cover board.Physical mechanics demonstration bracket, can be adjusted up and down in height, and the stability supported is also improved, and easily facilitates carrying so that mechanics demo platform can not only be realized, practical, be conducive to promote.

Description

Bracket is used in a kind of demonstration of physical mechanics

Technical field

The utility model relates to Physical Experiment equipment technical field, bracket is used in specially a kind of physical mechanics demonstration.

Background technique

Physical mechanics are a Ge Xin branches of mechanics, it is from the microstructure of substance and its characteristics of motion, with close For the achievement of the subjects such as physics, physical chemistry and quantum chemistry, is calculated by analysis and research and numerical value, illustrate medium and material Macroscopic property, and microscopic explanation is made to the macroscopic appearance and its characteristics of motion of medium and material.Currently, physical and mechanical experiment In, each lecture experiment is required to a set of independent experimental provision, such as the demonstration of the forst law of motion, needs in a stabilization Demo platform on carry out, but be traditionally used for the bracket of support demo platform, generally existing stability of strutting system is poor, can not The shortcomings that adjusting height；And most of existing mechanics demo platform causes its carrying to be compared in the presence of the shortcomings that can not storing Trouble.

Utility model content

The purpose of this utility model is to provide a kind of physical mechanics demonstration brackets, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of physical mechanics demonstration bracket, including Mounting box is provided with storage box above the mounting box, is fixedly connected between the mounting box and storage box by support plate, The upper surface of the storage box offers containing cavities, and there are two mounting plate, the upper ends of the mounting plate for the bottom setting of containing cavities Slideway is offered, a sliding block is movably set in slideway, mechanics demo platform, institute are provided with above the storage box The lower surface for stating mechanics demo platform is diagonally arranged there are two U-shaped connecting plate, passes through in the U type slot of the U-shaped connecting plate Pin shaft is hinged with first support bar, and the first support bar is inserted with second support bar far from one end of U-shaped connecting plate, and two Second support bar is respectively hinged at the upper end of two sliding blocks, and the inside both ends of the mounting box are fixedly installed with electric pushrod, And the upper end of electric pushrod is fixed on the lower end of storage box, the output end of two electric pushrods is respectively and under mechanics demo platform Two sides connection is held, the middle inside of the mounting box is equipped with battery, and the electric pushrod uniform battery is electrically connected, institute The upper end side for stating storage box is hinged with cover board.

Preferably, the first support bar is hollow structure, and the internal diameter of the first support bar is greater than second support bar Outer diameter at least 2-3mm, and be shiny surface on the outside of the inside of first support bar and second support bar.

Preferably, the lower surface side of the cover board is respectively provided with there are two fixture block, and the upper end other side of the storage box is equal Card slot corresponding with fixture block there are two opening up.

Preferably, the model NKLA22-5 of the electric pushrod.

Compared with prior art, the utility model has the beneficial effects that physical mechanics demonstration bracket, structure design letter It is single reasonable, it drives mechanics demo platform to rise or fall by the output end of electric pushrod, cooperates second support bar at first It stretches in strut, can be adjusted up and down in height so that mechanics demo platform can not only be realized, and the stability supported is also mentioned Height, after the completion of experiment, output end of electric push rod drops to bottommost, and mechanics demo platform is enabled to be received into containing cavities completely It is interior, carrying is easily facilitated, it is practical, it is conducive to promote.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model mounting box diagrammatic cross-section.

In figure: mounting box 1, storage box 2, support plate 3, containing cavities 4, mechanics demo platform 5, mounting plate 6, slideway 7, sliding block 8, first support bar 9, second support bar 10, U-shaped connecting plate 11, cover board 12, electric pushrod 13, battery 14.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of physical mechanics demonstration bracket, including peace Mounted box 1, the top of mounting box 1 are provided with storage box 2, are fixedly connected between mounting box 1 and storage box 2 by support plate 3, store The upper surface of box 2 offers containing cavities 4, and there are two mounting plates 6 for the bottom setting of containing cavities 4, and the upper end of mounting plate 6 offers Slideway 7, a sliding block 8 is movably set in slideway 7, and the top of storage box 2 is provided with mechanics demo platform 5, mechanics demonstration The lower surface of platform 5 is diagonally arranged there are two U-shaped connecting plate 11, is hinged with by pin shaft in the U type slot of U-shaped connecting plate 11 First support bar 9, first support bar 9 are inserted with second support bar 10, first support bar 9 far from one end of U-shaped connecting plate 11 It is hollow structure, the internal diameter of first support bar 9 is greater than the outer diameter at least 2-3mm of second support bar 10, and first support bar 9 Inside and the outside of second support bar 10 are shiny surface, second support bar 10 can in first support bar 9 free extension, two A second support bar 10 is respectively hinged at the upper end of two sliding blocks 8, and the inside both ends of mounting box 1 are fixedly installed with electric pushrod 13, the model NKLA22-5 of electric pushrod 13, the upper end of electric pushrod 13 are fixed on the lower end of storage box 2, and two electronic to push away The output end of bar 13 is connect with the lower end two sides of mechanics demo platform 5 respectively, and the middle inside of mounting box 1 is equipped with battery 14,13 uniform battery 14 of electric pushrod is electrically connected, and the upper end side of storage box 2 is hinged with cover board 12, the following table of cover board 12 Face side is respectively provided with there are two fixture block, and the upper end other side of storage box 2 opens up that there are two card slots corresponding with fixture block.

The utility model drives mechanics demo platform 5 to rise or fall by the output end of electric pushrod 13, cooperation second Support rod 10 stretches in first support bar 9, can be adjusted up and down in height so that mechanics demo platform 5 can not only be realized, Er Qiezhi The stability of support is also improved, and after the completion of experiment, 13 output end of electric pushrod drops to bottommost, and first support bar 9 is also complete It is retracted in second support bar 10 entirely, mechanics demo platform 5 is received into completely in containing cavities 4, cover board is then covered 12, easily facilitate carrying.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of physical mechanics demonstration bracket, including mounting box (1), it is characterised in that: the top of the mounting box (1) is arranged Have storage box (2), is fixedly connected between the mounting box (1) and storage box (2) by support plate (3), the storage box (2) Upper surface offers containing cavities (4), and there are two mounting plate (6), the upper ends of the mounting plate (6) for the bottom setting of containing cavities (4) It offers slideway (7), a sliding block (8) is movably set in slideway (7), the top setting of the storage box (2) is strong Learn demo platform (5), the lower surface of the mechanics demo platform (5) diagonally be arranged there are two U-shaped connecting plate (11), it is described U-shaped It is hinged with first support bar (9) by pin shaft in the U type slot of connecting plate (11), the first support bar (9) is far from U-shaped company One end of fishplate bar (11) is inserted with second support bar (10), and two second support bars (10) are respectively hinged at two sliding blocks (8) Upper end, the inside both ends of the mounting box (1) are fixedly installed with electric pushrod (13), and the upper end of electric pushrod (13) is solid It is scheduled on the lower end of storage box (2), the output end of two electric pushrods (13) connects with the lower end two sides of mechanics demo platform (5) respectively It connects, the middle inside of the mounting box (1) is equipped with battery (14), and electric pushrod (13) uniform battery (14) is electrically Connection, the upper end side of the storage box (2) is hinged with cover board (12).

2. a kind of physical mechanics demonstration bracket according to claim 1, it is characterised in that: the first support bar (9) It is hollow structure, the internal diameter of the first support bar (9) is greater than the outer diameter at least 2-3mm of second support bar (10), and first It is shiny surface on the outside of the inside of support rod (9) and second support bar (10).

3. a kind of physical mechanics demonstration bracket according to claim 1, it is characterised in that: the following table of the cover board (12) Face side is respectively provided with there are two fixture block, and the upper end other side of the storage box (2) opens up that there are two card slots corresponding with fixture block.

4. a kind of physical mechanics demonstration bracket according to claim 1, it is characterised in that: the electric pushrod (13) Model NKLA22-5.