CN210129326U

CN210129326U - Physical teaching device

Info

Publication number: CN210129326U
Application number: CN201921008881.6U
Authority: CN
Inventors: 任杰
Original assignee: Tianjin Agricultural University
Current assignee: Tianjin Agricultural University
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-03-06
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a physical teaching device, including box, manual expansion plate and support, box top face articulates there is the top cap, support standing groove and horizontal pole standing groove have been seted up to the top cap inboard, through the manual telescopic link of bolt fixed mounting on the inside bottom face of box, manual telescopic link sets up two sets ofly, and is two sets of manual telescopic link top face welding has the backup pad, the backup pad sets up two sets ofly, and is two sets of the backup pad top face passes through bolt fixed mounting manual expansion plate, the graduated flask guard box has been placed to manual expansion plate top end face, graduated flask guard box inner wall bonds and has the sponge layer, graduated flask guard box left side just is located the toolbox has been placed on the manual expansion plate top end face. This physical teaching device, structural design is reasonable, convenient operation, more conveniently carries during the teaching, can generally use widely.

Description

Physical teaching device

Technical Field

The utility model belongs to the technical field of the teaching equipment, concretely relates to physical teaching device.

Background

During the experimental teaching of the size of physical study buoyancy of junior middle school, no matter to mr or to the student the equipment all do not carry well relatively, demonstration experiment and grouping experiment are all accomplished well, and teaching effect is relatively poor. When students learn the knowledge of books, the teaching aid and the experimental device are assisted, so that the understanding and the mastering of the learned knowledge are greatly improved, and particularly, the physical in-house experimental device is very necessary for students who learn buoyancy and other related knowledge by first contact. And in current physical teaching, just lack such paradise experimental apparatus, the mr either relies on books knowledge to impart knowledge completely, or oneself makes some self-control teaching aids of irregularity and helps the student to understand physical knowledge, but the teaching equipment is not good at present and carries.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a physical teaching device to solve the problem that proposes in 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 physical teaching device, includes box, manual expansion plate and support, box top face articulates there is the top cap, manual expansion plate top end face central point puts and has seted up the graduated flask groove, graduated flask groove both sides just are located the cross draw-in groove has been seted up to manual expansion plate top end face, the cross draw-in groove with graduated flask groove mirror image is seted up two sets ofly, manual expansion plate both ends are provided with the extension plate, the extension plate sets up two sets ofly with manual expansion plate mirror image, and is two sets of the extension plate is kept away from a terminal surface central point of manual expansion plate puts and is provided with the pull ring, the pull ring is provided with two sets ofly, just be located on the manual expansion plate top end face the cross draw-in groove outside is provided with the promotion ring.

Preferably, support standing groove and horizontal pole standing groove have been seted up to the top cap inboard, through the manual telescopic link of bolt fixed mounting on the inside bottom face of box, manual telescopic link sets up two sets ofly, and is two sets of manual telescopic link top face welding has the backup pad, the backup pad sets up two sets ofly, and is two sets of backup pad top face passes through bolt fixed mounting manual expansion plate, the graduated flask guard box has been placed to manual expansion plate top terminal surface, graduated flask guard box inner wall bonds and has the sponge layer, graduated flask guard box left side just is located the toolbox has been placed on the manual expansion plate top terminal surface.

Preferably, the cross-shaped clamping plates are fixedly installed on the bottom end face of the support through bolts, the cross-shaped clamping plates are installed in two groups, a mounting hole is formed in the center of one end face, away from the cross-shaped clamping plates, of the support, the mounting hole is formed in the two groups, the support columns are inserted into the two groups of mounting holes, and the support columns are arranged in two groups.

Preferably, two sets of the support column is kept away from the one end of mounting hole is through screw fixed mounting convex slider, convex slider installation is two sets of, two sets of convex slider slidable mounting is in the convex groove, the convex groove is seted up and is put at horizontal pole bottom end face central point, horizontal pole both sides terminal surface central point puts through screw fixed mounting couple, the couple symmetry installation is two sets of.

Preferably, the manual expansion plate is arranged at the center of the top end face of the manual expansion plate and located in the measuring cup groove, the measuring cup is provided with scale marks outside, the floating ball is arranged in the measuring cup, and the densimeter is vertically arranged at any point close to the inner wall in the measuring cup.

Preferably, a hanging rope is vertically hung on the hook, one end, far away from the hook, of the hanging rope is hung on the containing cup, and the bottom end of the containing cup is fixedly connected with the funnel through a bolt.

The utility model discloses a technological effect and advantage: the physical teaching device has the advantages that through the design of the box body, the whole teaching device can be placed in the box body, and the effect of convenience in carrying during teaching is achieved; through the design of the cross clamping grooves, the distance between the two groups of brackets can be adjusted, and the effect of meeting the required size requirement is achieved; through the design of the two groups of extension plates, tools or textbooks can be placed on the extension plates during teaching, so that the effect of more convenient teaching is achieved; this physical teaching device, structural design is reasonable, convenient operation, more conveniently carries during the teaching, can generally use widely.

Drawings

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

FIG. 2 is a schematic diagram of a manual retractable plate structure of the present invention;

FIG. 3 is a schematic structural view of the bracket and the cross bar of the present invention;

FIG. 4 is a schematic view of the cross bar structure of the present invention;

FIG. 5 is a schematic view of the internal structure of the case of the present invention;

fig. 6 is a schematic view of the working structure of the present invention.

In the figure: the utility model discloses a portable electronic scale comprises a box body, 2 manual expansion plates, 3 supports, 4 support standing grooves, 5 top covers, 6 horizontal pole standing grooves, 7 manual expansion rods, 8 backup pads, 9 promotion rings, 10 graduated flask guard box, 11 toolboxes, 12 sponge layers, 13 graduated flask grooves, 14 cross draw-in grooves, 15 extension plates, 16 pull rings, 17 cross cardboard, 18 mounting holes, 19 horizontal poles, 20 support columns, 21 couples, 22 convex grooves, 23 convex slider, 24 graduated flasks, 25 scale marks, 26 floater, 27 densimeter, 28 funnels, 29 holding cups, 30 string ropes.

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.

The utility model provides a physical teaching device as shown in figures 1-6, which comprises a box body 1, a manual expansion plate 2 and a bracket 3, wherein the top end face of the box body 1 is hinged with a top cover 5, a measuring cup groove 13 is arranged at the central position of the top end face of the manual expansion plate 2, cross clamping grooves 14 are arranged at the two sides of the measuring cup groove 13 and positioned at the top end face of the manual expansion plate 2, the cross clamping grooves 14 are arranged into two groups according to the mirror image of the measuring cup groove 13, extension plates 15 are arranged at the two ends of the manual expansion plate 2, the extension plates 15 are arranged into two groups according to the mirror image of the manual expansion plate 2, a pull ring 16 is arranged at the central position of one end face of the two groups of the extension plates 15 far away from the manual expansion plate 2, the pull rings 16 are arranged into two groups, a lifting ring 9 is arranged on the top end face of the manual expansion plate 2, through the design of extension board 15 for can put instrument or textbook on when teaching, reach the effect of convenient teaching more.

Specifically, a support placing groove 4 and a cross rod placing groove 6 are formed in the inner side of the top cover 5, two manual telescopic rods 7 are fixedly mounted on the bottom end face inside the box body 1 through bolts, the manual telescopic rods 7 are provided with two groups, two supporting plates 8 are welded on the top end faces of the two manual telescopic rods 7, two groups of supporting plates 8 are provided, two groups of supporting plates 8 are fixedly mounted on the top end faces of the manual telescopic plates 2 through bolts, a measuring cup protecting box 10 is placed on the top end face of the manual telescopic plates 2, a sponge layer 12 is bonded on the inner wall of the measuring cup protecting box 10, the sponge layer 12 plays a protecting role on a measuring cup 24, a tool box 11 is placed on the left side of the measuring cup protecting box 10 and positioned on the top end face of the manual telescopic plates 2, a funnel 28, a floating ball 26 and a hanging rope 30 are placed in the tool box 11, and the whole teaching device can be, the effect of convenient carrying during teaching is achieved.

Specifically, the bottom end face of the support 3 is fixedly provided with a cross clamping plate 17 through a bolt, the cross clamping plate 17 is provided with two groups, a mounting hole 18 is formed in a center position of one end face of the support 3, which is far away from the cross clamping plate 17, the mounting hole 18 is provided with two groups, two groups of supporting columns 20 are inserted into the mounting hole 18, and the supporting columns 20 are provided with two groups and are designed through the mounting hole 18 and the supporting columns 20, so that the support 3 and the cross rod 19 are convenient to detach.

Specifically, two sets of support column 20 is kept away from screw fixed mounting convex slider 23 is passed through to the one end of mounting hole 18, convex slider 23 installation is two sets of, and is two sets of convex slider 23 slidable mounting is in convex groove 22, convex groove 22 is seted up at horizontal pole 19 bottom end face central point and is put, 19 both sides of horizontal pole terminal surface central point puts through screw fixed mounting couple 21, couple 21 symmetrical installation is two sets of, through the design of convex slider 23 and convex groove 22, makes two sets of distance between the support column 20 can be adjusted.

Specifically, a measuring cup 24 is arranged in the measuring cup groove 13 at the center of the top end face of the manual telescopic plate 2, scale marks 25 are arranged outside the measuring cup 24, a floating ball 26 is arranged in the measuring cup 24, a densimeter 27 is vertically arranged in the measuring cup 24 at any point close to the inner wall, and the relationship between buoyancy and density can be obtained through the densimeter 27, the scale marks 25 and the rising degree of the floating ball 26.

Specifically, a hanging rope 30 is vertically hung on the hook 21, one end, far away from the hook 21, of the hanging rope 30 is hung on the containing cup 29, the bottom end of the containing cup 29 is fixedly connected with the funnel 28 through a bolt, and a liquid leakage port of the funnel 28 is located above the center of the measuring cup 24.

Specifically, when the physical teaching device is used, the top cover 5 is opened, the measuring cup protection box 10 and the tool box 11 are taken out, the manual expansion plate 2 is lifted to a certain height through the lifting ring 9, the extension plate 15 of the manual expansion plate 2 is extended through the pull ring 16, the design of the support plate 8 enables the manual expansion rod 7 to have a stabilizing effect on the manual expansion plate 2, the support 3 and the cross rod 19 are taken out from the support placing groove 4 and the cross rod placing groove 6, the support 3 is arranged on the top end face of the manual expansion plate 2 through the cross clamping plate 17 and the cross clamping groove 14, the cross rod 19 is arranged at the top end of the support 3 through the matching of the mounting hole 18 and the support column 20, the measuring cup 24 in the measuring cup protection box 10 is taken out, the measuring cup 24 is placed in the measuring groove 13, the funnel 28, the hanging rope 30 and the floating ball 26 in the tool box 11 are taken out, at this time, the measuring cup protection box 10 and the tool box 11 can be placed on the extension plate 15, the containing cup 29 is hung on the hook 21 through the hanging rope 30, the funnel 28 is connected to the bottom end of the containing cup 29, the density of water is changed by dripping liquid in the containing cup 29 into the measuring cup 24, the relation between the buoyancy and the density is calculated through the floating value of the densimeter 27, the scale mark 25 and the floating ball 26, and the teaching is more convenient to carry through the design of the box body 1. This physical teaching device, structural design is reasonable, convenient operation, more conveniently carries during the teaching, can generally use widely.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a physical teaching device, includes box (1), manual expansion plate (2) and support (3), its characterized in that: a top cover (5) is hinged on the top end face of the box body (1), a measuring cup groove (13) is arranged at the center of the top end face of the manual telescopic plate (2), a cross clamping groove (14) is arranged on the top end surface of the manual telescopic plate (2) and on the two sides of the measuring cup groove (13), the cross-shaped clamping grooves (14) are arranged in two groups by mirroring the measuring cup grooves (13), extension plates (15) are arranged at two ends of the manual telescopic plate (2), the extension plates (15) are arranged in two groups by mirroring the manual telescopic plates (2), a pull ring (16) is arranged at the center of one end face of each group of extension plates (15) far away from the manual telescopic plates (2), the pull rings (16) are arranged in two groups, the top end face of the manual telescopic plate (2) is located, lifting rings (9) are arranged on the outer side of the cross clamping groove (14), and the lifting rings (9) are symmetrically arranged in two groups.

2. A physical teaching device according to claim 1 wherein: support standing groove (4) and horizontal pole standing groove (6) have been seted up to top cap (5) inboard, through bolt fixed mounting manual telescopic link (7) on the inside bottom face of box (1), manual telescopic link (7) set up two sets ofly, two sets of manual telescopic link (7) top face welding has backup pad (8), backup pad (8) set up two sets ofly, two sets of backup pad (8) top face passes through bolt fixed mounting manual expansion plate (2), graduated flask guard box (10) has been placed to manual expansion plate (2) top face, graduated flask guard box (10) inner wall bonds and has sponge layer (12), graduated flask guard box (10) left side just is located toolbox (11) have been placed on manual expansion plate (2) top face.

3. A physical teaching device according to claim 1 wherein: the support is characterized in that a cross clamping plate (17) is fixedly installed on the bottom end face of the support (3) through bolts, the cross clamping plate (17) is installed in two groups, a mounting hole (18) is formed in the center of one end face, away from the cross clamping plate (17), of the support (3), the mounting hole (18) is formed in two groups, two groups of supporting columns (20) are inserted into the mounting hole (18), and the supporting columns (20) are arranged in two groups.

4. A physical teaching device according to claim 3 wherein: two sets of support column (20) are kept away from screw fixed mounting convex slider (23) are passed through to the one end of mounting hole (18), convex slider (23) installation is two sets of, two sets of convex slider (23) slidable mounting is in convex groove (22), convex groove (22) are seted up and are put at horizontal pole (19) bottom end face central point, horizontal pole (19) both sides terminal surface central point puts through screw fixed mounting couple (21), couple (21) symmetry installation is two sets ofly.

5. A physical teaching device according to claim 1 wherein: a measuring cup (24) is placed in the measuring cup groove (13), scale marks (25) are arranged outside the measuring cup (24), a floating ball (26) is placed in the measuring cup (24), and a densimeter (27) is vertically placed in the measuring cup (24) at any position close to any point of the inner wall.

6. A physical teaching device according to claim 4, wherein: a hanging rope (30) is vertically hung on the hook (21), the hanging rope (30) is far away from one end of the hook (21) to hang the containing cup (29), and the bottom end of the containing cup (29) is fixedly connected with the funnel (28) through a bolt.