CN209993195U

CN209993195U - Middle school physics demonstration teaching aid

Info

Publication number: CN209993195U
Application number: CN201920666996.8U
Authority: CN
Inventors: 向以香
Original assignee: Daya Central School Jinya Town Langzhong City
Current assignee: Daya Central School Jinya Town Langzhong City
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-24
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a middle school physics demonstration teaching aid, which comprises a reflecting plate, a laser head, a power line, a supporting rod, a mounting seat, a positioning frame, an adjusting part, a lifting plate and a recording plate, wherein the mounting seat is combined to form a table top with demonstration effect, the shape of a groove of a vertical plate corresponds to the recording plate which slides in from top to bottom, the positioning frame is arranged in the groove at the lower part of the mounting seat, a first clamping groove and a second clamping groove are arranged at two sides of the positioning frame and are combined to form a groove space corresponding to a sandwich frame, the mounting plate is horizontally arranged in the groove through a cushion layer, the sealing performance of the structure is better, the two sides of the mounting plate have balance, the recording plate slides in the sandwich frame along an inner chute downwards, a bottom side block has supporting and limiting functions when moving, a teacher can conveniently record corresponding to the progress condition of class teaching after positioning the recording plate, the positioning frame is used as a mounting body and is also suitable for placing a plate body with demonstration function, effectively improving the teaching assistance.

Description

Middle school physics demonstration teaching aid

Technical Field

The utility model relates to a middle school physics demonstration teaching aid belongs to teaching articles for use technical field.

Background

The experiment is the basis of physics. The demonstration experiment plays a very important role in the middle school physics teaching, is the basis for students to establish physical concepts, know physical processes and master physical laws, and is the only basis for verifying theories.

The prior art discloses the application numbers as follows: CN201721547307.9 is a teaching aid for physics demonstration of middle school. The laser device comprises a support, a laser device arranged at the upper end of the support, a reflecting plate arranged below the laser device, and a display panel arranged opposite to the support and used for receiving laser reflected by the reflecting plate, wherein one end of the reflecting plate is hinged on the support through a hinge shaft horizontally arranged, a telescopic frame with adjustable height is arranged below the reflecting plate, a through hole is formed in the middle section of the telescopic frame, an electric heating element is arranged in the through hole, and a bearing groove for bearing the display panel is formed in the upper end of the telescopic frame. The teaching aid is simple in structure, convenient to use and capable of demonstrating various scientific principles, and is particularly suitable for demonstrating various scientific principles such as light reflection, expansion with heat and contraction with cold, lever principle and the like in the middle school physics teaching process. But the defects are that the physical courses teach through demonstrating scientific principles, the teaching progress conditions of different classes are easily confused when the teacher course is more, and the teaching aid surface cannot visually display records.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a middle school physics demonstration teaching aid to solve the physics course and impart knowledge to students through demonstration scientific principle, the teaching progress condition of the easy chaotic different classes of teacher's course when more, the problem of visual display record is failed on the teaching aid surface.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a middle school physics demonstration teaching aid structurally comprises a reflecting plate, a laser head, a power line, supporting rods, mounting seats, positioning frames, an adjusting part, a lifting plate and a recording plate, wherein the mounting seats are combined to form a table top with a demonstration effect, grooves of a vertical plate correspond to the recording plate which slides in from top to bottom, the supporting rods which are vertically mounted are arranged on two sides of the surface of the mounting seat, the outer end of the adjusting part can be pressed on the surface of the supporting rod on the right side when being shortened to be close to an inner gap, the left end of each supporting rod is provided with a hinged type reflecting plate, the lifting plate moves up and down along the front side of the recording plate at intervals when moving, and the positioning frames are arranged in the grooves on the lower portion of; the locating rack comprises a stop block, a first clamping groove, a cushion layer, a mounting plate, a second clamping groove, a clamping layer frame and an inner sliding groove, wherein the stop block is movably arranged at the notch of the first clamping groove, the first clamping groove and the second clamping groove are arranged on two sides of a groove in the lower part of the mounting seat, the groove in the lower part of the mounting seat corresponds to the clamping layer frame, a wall plate of the clamping layer frame forms the inner sliding groove for gliding friction of the recording plate, the second clamping groove and the first clamping groove are arranged on the left and right sides of the surface of the mounting plate, and the cushion layer is arranged between the mounting plate and the bottom of the mounting seat.

Furthermore, the lifting plate through hole is provided with an adjusting piece which is screwed mutually.

Furthermore, a laser head which is movably connected in a hooping mode is arranged on the reflecting plate.

Furthermore, a lifting plate capable of moving linearly is arranged on the mounting seat.

Furthermore, a lifting plate which is transversely installed is arranged between the supporting rods.

Further, the port of the laser head is connected with a power line.

Furthermore, the interval width of the first clamping groove and the second clamping groove corresponds to the interlayer frame.

Furthermore, the interlayer frame is fixed on the bottom groove of the mounting seat through a mounting plate.

Advantageous effects

The utility model relates to a middle school physics demonstration teaching aid, the locating rack is established in mount pad lower part recess, both sides are equipped with first double-layered groove and second and press from both sides the groove, the combination constitutes the recess space that corresponds the intermediate layer frame, the mounting panel level just arranges the recess in through the bed course, the better and both sides of structural seal nature have the equilibrium, down slide in the intermediate layer frame along interior spout on will recording plate, support during the activity of bottom side stop block, limiting displacement, can be convenient for the teacher after the location recording plate position and correspond class teaching progress condition and take notes, use the locating rack as the installation body, also be suitable for the plate body that has the display function and put into, effectively improve the teaching and assist.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a middle school physics demonstration teaching aid of the utility model;

fig. 2 is the schematic view of the positioning frame assembly structure of the present invention.

In the figure: the laser welding device comprises a reflecting plate-1, a laser head-2, a power line-3, a support rod-4, a mounting seat-5, a positioning frame-6, a block-601, a first clamping groove-602, a cushion layer-603, a mounting plate-604, a second clamping groove-605, a sandwich frame-606, an inner sliding groove-607, an adjusting piece-7, a lifting plate-8 and a recording plate-9.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a middle school physics demonstration teaching aid structurally comprises a reflecting plate 1, a laser head 2, a power line 3, supporting rods 4, a mounting seat 5, a positioning frame 6, an adjusting piece 7, a lifting plate 8 and a recording plate 9, wherein the mounting seat 5 is combined to form a table board with demonstration effect, the groove shape of a vertical plate corresponds to the recording plate 9 which slides in from top to bottom, the supporting rods 4 which are vertically installed are arranged on two sides of the surface of the mounting seat 5, the outer end of the adjusting piece 7 can be pressed on the surface of the supporting rod 4 on the right side when being shortened to lean against an inner gap, the hinged type reflecting plate 1 is arranged at the left end of the supporting rod 4, the lifting plate 8 moves up and down along the front side of the recording plate 9 at intervals when moving, and the positioning frame 6 is arranged in the groove at the; the positioning frame 6 is composed of a block 601, a first clamping groove 602, a cushion layer 603, a mounting plate 604, a second clamping groove 605, a sandwich frame 606 and an inner sliding groove 607, the block 601 is movably disposed at the notch of the first clamping groove 602, the first clamping groove 602 and the second clamping groove 605 are disposed at two sides of the groove at the lower portion of the mounting seat 5, the groove at the lower part of the mounting seat 5 corresponds to the interlayer frame 606, the wall plate of the interlayer frame 606 forms an inner sliding groove 607 for the sliding friction of the recording plate 9, the left and the right of the surface of the mounting plate 604 are provided with a second clamping groove 605 and a first clamping groove 602, the cushion layer 603 is arranged between the mounting plate 604 and the bottom of the mounting seat 5, the opening of the lifting plate 8 is provided with a regulating part 7 which is screwed mutually, the reflecting plate 1 is provided with a laser head 2 which is movably hooped, but be equipped with the lifter plate 8 of sharp activity on the mount pad 5, be equipped with the lifter plate 8 of horizontal installation between the

bracing piece

4, 2 port connection power cords 3 of laser head.

The first clamping groove 602 and the second clamping groove 605 are installed in a mirror image manner, and have two sides, the included angle faces the inner side and is an L-shaped structure, the vertical length of the two sides can be designed according to the height of the inner wall of the installation base, and the spacing width is unchanged.

For example: when using, locating rack 6 is established in the recess of mount pad 5 lower part, both sides are equipped with first double-layered groove 602 and second double-layered groove 605, the combination constitutes the recess space that corresponds intermediate layer frame 606, mounting panel 604 level just arranges the recess in through bed course 603 in, the better and both sides of structural seal nature have the equilibrium, go up down to slide in intermediate layer frame 606 along interior spout 607 with record board 9, bottom side resistance block 601 has the support during the activity, limiting displacement, can be convenient for the teacher to correspond class teaching progress condition and record behind the location record board 9 position, use locating rack 6 as the installation body, also be suitable for the plate body that has the display function and put into, effectively improve teaching and be supplementary.

The utility model provides a problem be that the physics course is taught through demonstration scientific principle, the teaching progress condition of the easy chaotic different classes of teacher's course when the teacher course is more, teaching aid surface can not the visual display record, the utility model discloses a combination of each other of above-mentioned part can be convenient for the teacher after the location record board position and correspond the class teaching progress condition and take notes to the locating rack is the installation body, also is suitable for the plate body that has the display function and puts into, effectively improves teaching and assists.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a middle school physics demonstration teaching aid, its structure includes reflecting plate (1), laser head (2), power cord (3), bracing piece (4), mount pad (5), locating rack (6), regulating part (7), lifter plate (8), recording plate (9), mount pad (5) combination constitution has the mesa of demonstration effect, and the board groove shape that hangs down corresponds from last recording plate (9) that down slide in, its characterized in that:

the two sides of the surface of the mounting seat (5) are provided with supporting rods (4) which are vertically mounted, the outer end of the adjusting piece (7) can be pressed on the surface of the supporting rod (4) on the right side when being shortened to be close to an inner gap, the left end of the supporting rod (4) is provided with a hinged reflection plate (1), the lifting plate (8) moves up and down along the front side of the recording plate (9) at intervals when moving, and a groove on the lower part of the mounting seat (5) is provided with a positioning frame (6);

locating rack (6) comprises piece (601), first double-layered groove (602), bed course (603), mounting panel (604), second double-layered groove (605), intermediate layer frame (606), interior spout (607) of hindering the activity of piece (601) and arranging first double-layered groove (602) breach department in, install at mount pad (5) lower part recess both sides first double-layered groove (602) and second double-layered groove (605), mount pad (5) lower part recess corresponds intermediate layer frame (606), intermediate layer frame (606) wallboard constitutes interior spout (607) that can supply record board (9) gliding friction, mounting panel (604) surface left and right sides is equipped with second double-layered groove (605) and first double-layered groove (602), bed course (603) are established between mounting panel (604) and mount pad (5) bottom.

2. A middle school physics demonstration teaching aid according to claim 1, characterized in that: the opening of the lifting plate (8) is provided with a regulating part (7) which is connected with the lifting plate in a screwing way.

3. A middle school physics demonstration teaching aid according to claim 1, characterized in that: the reflecting plate (1) is provided with a laser head (2) which is movably connected in a hooping mode.

4. A middle school physics demonstration teaching aid according to claim 1, characterized in that: and a lifting plate (8) capable of moving linearly is arranged on the mounting seat (5).

5. A middle school physics demonstration teaching aid according to claim 1, characterized in that: and a lifting plate (8) which is transversely arranged is arranged between the supporting rods (4).

6. A middle school physics demonstration teaching aid according to claim 1, characterized in that: the port of the laser head (2) is connected with a power line (3).