CN210743313U

CN210743313U - Electric power safety protection device for teaching experiment

Info

Publication number: CN210743313U
Application number: CN201922016479.9U
Authority: CN
Inventors: 庞翠平
Original assignee: Xingtai Polytechnic College
Current assignee: Xingtai Polytechnic College
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-12
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses an electric power safety protection device for teaching experiment, including the laboratory bench, the fixed case that is equipped with in middle part of laboratory bench bottom, the equal fixed mounting in both sides of fixed case has the mounting panel, two mounting panels pass through the bottom fixed connection of screw with the laboratory bench, the inside fixed mounting of fixed case has the battery, the middle part fixed mounting of fixed case one side has flush mounting plate of switch, flush mounting plate of switch and battery electric connection, the spout has all been seted up at the both ends of fixed case one side, the equal sliding connection in inside of two spouts has the slider, the both ends fixed connection of two sliders and safety cover one side. The utility model relates to an electric power safety protection device for teaching experiment, through the safety cover of installation, be convenient for when not using, establish the flush mounting plate cover of switch through the safety cover, avoid the maloperation to take place the electric shock danger, guarantee the security of experiment power consumption, through the louvre of seting up, the timely effluvium of heat that the battery of being convenient for produced at the in-process of work.

Description

Electric power safety protection device for teaching experiment

Technical Field

The utility model relates to a protection device, in particular to electric power safety protection device for teaching experiment.

Background

The teaching experiment is also called as controlled teaching observation. A method for observing teaching activities under conditions of artificially controlling objective objects according to a certain teaching research objective. Is characterized in that: (1) the teaching phenomenon which is not easy to appear under the non-experimental natural condition can be caused for observation and research; (2) observation and comparison can be carried out under the most favorable condition, so that the observation is more precise; (3) convenient conditions can be provided for measurement and calculation, and the obtained result is more accurate.

During current physical teaching experiment, can use electric power to carry out experiment teaching, in the current electric power use, lack protection device, student's maloperation takes place the electric power accident easily, consequently needs design an electric power safety protection device for teaching experiment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power safety arrangement for teaching experiment to in solving the current electric power use process that proposes in the above-mentioned background art, lack protection device, student's maloperation takes place the problem of electric power accident easily.

In order to achieve the above object, the utility model provides a following technical scheme: an electric power safety protection device for teaching experiments comprises an experiment table, wherein a fixed box is fixedly arranged in the middle of the bottom end of the experiment table, mounting plates are fixedly mounted on two sides of the fixed box, the two mounting plates are fixedly connected with the bottom end of the experiment table through screws, a storage battery is fixedly mounted in the fixed box, a switch panel is fixedly mounted in the middle of one side of the fixed box and is electrically connected with the storage battery, sliding grooves are formed in two ends of one side of the fixed box, sliding blocks are slidably connected in the two sliding grooves and are fixedly connected with two ends of one side of a protection cover, connecting blocks are fixedly mounted on two sides of the top end of the protection cover, threaded holes are formed in the middle of one side of the two connecting blocks, a rotary button is in threaded connection with the inner parts of the two threaded holes, and a spring is fixedly mounted on the top groove walls of, one end of each of the two springs is fixedly connected with the top end of the corresponding sliding block.

As a preferred technical scheme of the utility model, the equal fixed mounting in four edges of laboratory bench bottom has the supporting leg, four the equal fixed mounting in one side of supporting leg has the bracing piece, four the one end of bracing piece and the bottom fixed connection of laboratory bench.

As a preferred technical scheme of the utility model, the louvre has all been seted up to two avris of fixed case, two the equal fixed mounting in inside of louvre has the dust screen.

As an optimized technical scheme of the utility model, the safety cover is equipped with insulating the pad with the junction subsides of flush mounting plate of switch.

As an optimized technical scheme of the utility model, a plurality of antiskid line has been seted up to the surperficial equidistance of rotating button.

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

1) the switch panel is conveniently covered by the protective cover when the switch is not used through the mounted protective cover, so that the electric shock danger caused by misoperation is avoided, and the safety of experimental electricity utilization is ensured;

2) and through the heat dissipation holes, the heat generated by the storage battery in the working process can be conveniently and timely dissipated.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the fixing box of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of a partial structure of the present invention.

In the figure: 1. a laboratory bench; 2. supporting legs; 3. a support bar; 4. a fixed box; 5. mounting a plate; 6. heat dissipation holes; 7. a dust screen; 8. a protective cover; 9. a storage battery; 10. a switch panel; 11. a chute; 12. a spring; 13. rotating the button; 14. connecting blocks; 15. a slide block.

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.

Referring to fig. 1-4, the utility model provides an electric power safety protection device for teaching experiments, which comprises an experiment table 1, a fixed box 4 is fixedly arranged in the middle of the bottom end of the experiment table 1, mounting plates 5 are fixedly arranged on both sides of the fixed box 4, the two mounting plates 5 are fixedly connected with the bottom end of the experiment table 1 through screws, a storage battery 9 is fixedly arranged in the fixed box 4, a switch panel 10 is fixedly arranged in the middle of one side of the fixed box 4, the switch panel 10 is electrically connected with the storage battery 9, sliding grooves 11 are respectively arranged on both ends of one side of the fixed box 4, sliding blocks 15 are respectively and slidably connected in the two sliding grooves 11, the two sliding blocks 15 are fixedly connected with both ends of one side of a protective cover 8, connecting blocks 14 are respectively and fixedly arranged on both sides of the top end of the protective cover 8, threaded holes are respectively arranged in the middle of one side, springs 12 are fixedly mounted on the top groove walls of the two chutes 11, one ends of the two springs 12 are respectively fixedly connected with the top ends of the corresponding sliders 15, when the switch panel 10 is not used, the switch panel is covered by the protective cover 8, electric shock danger caused by misoperation is avoided, safety of electricity for experiments is guaranteed, supporting legs 2 are fixedly mounted at four corners of the bottom end of the experiment table 1, supporting rods 3 are fixedly mounted on one sides of the four supporting legs 2, one ends of the four supporting rods 3 are fixedly connected with the bottom end of the experiment table 1, stability of the supporting legs 2 is guaranteed through the mounted supporting rods 3, radiating holes 6 are respectively formed in two side edges of the fixing box 4, dust screens 7 are fixedly mounted inside the two radiating holes 6, heat dissipation is facilitated in the working process of the storage battery 9 through the arranged radiating holes 6, and an insulating pad is pasted at the joint of the protective cover 8 and the switch panel 10, through pasting the insulating pad of establishing, have insulating effect, a plurality of antiskid line has been seted up to the surperficial equidistance of rotating button 13, through the antiskid line of seting up, has anti-skidding effect.

When specifically using, the utility model relates to an electric power safety protection device for teaching experiment, when the electric power safety protection device of this teaching experiment needs to be used, at first artificial upwards promote safety cover 8, with safety cover 8 and flush mounting plate 10 separation, artificial rotatory button 13 who rotates two connecting block 14 one side threaded connection after that, fix safety cover 8 through rotatory button 13, provide the power consumption to the experiment through flush mounting plate 10 after that, after the power consumption is accomplished, artificial reverse rotation rotatory button 13, through rotatory button 13 and spout 11 separation, two sliders 15 move downwards through the thrust of spring 12, the removal that drives safety cover 8 through the removal of slider 15, be convenient for make safety cover 8 cover with flush mounting plate 10 cover, avoid the maloperation, influence power consumption safety.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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.

Claims

1. The electric power safety protection device for teaching experiments comprises an experiment table (1) and is characterized in that a fixed box (4) is fixedly arranged in the middle of the bottom end of the experiment table (1), mounting plates (5) are fixedly mounted on two sides of the fixed box (4), the two mounting plates (5) are fixedly connected with the bottom end of the experiment table (1) through screws, a storage battery (9) is fixedly mounted inside the fixed box (4), a switch panel (10) is fixedly mounted in the middle of one side of the fixed box (4), the switch panel (10) is electrically connected with the storage battery (9), sliding grooves (11) are formed in two ends of one side of the fixed box (4), sliding blocks (15) are slidably connected inside the two sliding grooves (11), the two sliding blocks (15) are fixedly connected with two ends of one side of a protection cover (8), and connecting blocks (14) are fixedly mounted on two sides of the top end of the protection cover (8), two threaded holes are formed in the middle of one side of each connecting block (14), two rotating buttons (13) are connected to the inner portions of the threaded holes in a threaded mode, springs (12) are fixedly mounted on the top groove walls of the sliding grooves (11), and one ends of the springs (12) are fixedly connected with the top ends of the corresponding sliding blocks (15) respectively.

2. The electric power safety protection device for teaching experiments as claimed in claim 1, wherein: the equal fixed mounting in four edges of laboratory bench (1) bottom has supporting leg (2), four the equal fixed mounting in one side of supporting leg (2) has bracing piece (3), four the one end of bracing piece (3) and the bottom fixed connection of laboratory bench (1).

3. The electric power safety protection device for teaching experiments as claimed in claim 1, wherein: louvre (6) have all been seted up to two avris of fixed case (4), two the equal fixed mounting in inside of louvre (6) has dust screen (7).

4. The electric power safety protection device for teaching experiments as claimed in claim 1, wherein: and an insulating pad is attached to the joint of the protective cover (8) and the switch panel (10).

5. The electric power safety protection device for teaching experiments as claimed in claim 1, wherein: a plurality of anti-skidding lines are arranged on the surface of the rotary button (13) at equal intervals.