Multi-module combined type high school physics electrical experiment box

Abstract

The utility model discloses a multi-module combined type high school physics electricity experiment box, which belongs to the experiment box field, and comprises a box body and a box cover, the box cover is movably connected on the top surface of the box body through a hinge, the box cover is fixedly connected with the box body through a lock catch, the front end wall of the box body is fixedly connected with a handle, and the box cover is fixedly connected with the box body. A power socket is fixedly connected to the right side wall of the box body, a main board is fixedly connected to the interior of the box body, a plurality of experiment modules with different functions are fixedly connected to the top surface of the main board, and an arranged protection mechanism is matched with the multi-module combined type electricity experiment box for use; under the elastic acting force of a compression spring, a connecting block is pushed to move towards the right side along a fixing rod through a connecting hole, and the connecting block drives a baffle to move synchronously, so that the baffle shields the power socket, and the problem that the power socket is damaged due to the fact that the power socket is exposed to the outside and affected by external factors is solved; and the dustproof and waterproof effects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of experiment box, especially a multi-module combined high school physics electrical experiment box. BACKGROUND

[0002] The multi-module combined high school physics electrical experiment box is an experimental equipment specially designed for high school physics electrical teaching. It usually contains multiple independent modules, such as power supply modules (providing power supply of different voltages), ammeter modules (used for measuring current and voltage), resistance, capacitance, inductance and other component modules, as well as signal generators, oscilloscopes, multimeters and other advanced functional modules. These modules can be flexibly combined to build various circuits to meet different electrical experiment needs. Students can connect and configure these modules to conduct various electrical experiments, thereby deeply understanding the basic principles and concepts of circuits and improving practical operation ability. This experiment box has the characteristics of strong practicality, high safety, easy operation and strong repeatability, and is an indispensable important tool in high school physics electrical teaching.

[0003] In the prior art, the multi-module combined electrical experiment box is often used in the process of high school physics electrical teaching, and before use, the power cord needs to be inserted at the power socket and the other end needs to be inserted in the socket for power use. However, due to the lack of protection measures on the multi-module combined electrical experiment box, the power cord is prone to loosen and fall off from the box after the box moves during operation or is affected by other external factors, thereby interrupting the experiment operation. At the same time, when the multi-module combined electrical experiment box is not used, the power socket is always exposed to the external environment, which causes dust or water stains and other foreign matters to enter the internal part of the power socket, thereby causing damage and affecting the normal use of the multi-module combined electrical experiment box. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a multi-module combined high school physics electrical experiment box, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0006] The utility model provides a multi -module combined high school physics electricity experiment box, including box and lid, the lid is connected through the hinge activity in the top surface of box, and the lid still is fixedly connected together with box through the lock catch, the front end wall of box is fixedly connected with the handle, and the right side wall of box is fixedly connected with the power socket, the inside fixedly connected with the mainboard of box, and a plurality of different function experiment modules are fixedly connected to the top surface of mainboard, the right side wall of box is equipped with the protection mechanism, and the protection mechanism includes side plate, horizontal plate, two -way screw rod, L plate, clamping seat, fixed rod, compression spring and baffle, the side plate is fixedly connected on the side wall of box, and the symmetric horizontal plate is fixedly connected on the side wall of side plate, the two -way screw rod is movably connected between the fixed plate of the front side wall of side plate through the rotary rod of both ends, and two L plates are movably connected with two -way screw rod through the screw hole of top surface respectively, the opposite side wall of two L plates is also fixedly connected with clamping seat respectively, the fixed rod is fixedly connected in the inside of horizontal plate, and the compression spring is sleeved on the outside of fixed rod, the baffle is movably connected with fixed rod through the connecting block of upper and lower surfaces, and the connecting block is fixedly connected with compression spring.

[0007] Further, the side plate is fixedly installed on the right side wall of the box, and a limiting sliding opening is formed in the front wall of the side plate, a group of upper and lower symmetric fixed plates are fixedly installed on the front wall of the side plate, and a rotating hole is formed in the top surface of the fixed plate.

[0008] Further, the upper and lower ends of the two-way screw rod are respectively fixedly installed with rotary rods, and the rotary rods are movably installed in the rotating hole, and the top end of the upper rotary rod is further fixedly installed with a knob.

[0009] Further, the L-shaped plates are symmetrically arranged in a group, screw holes are formed in the top surface of the vertical part of the L-shaped plate and are threadedly connected with the two-way screw rod, a limiting sliding block is fixedly installed on the rear end wall of the vertical part of the L-shaped plate and is movably installed in the limiting sliding opening, and the right end of the opposite side wall of the horizontal part of the symmetric L-shaped plates is respectively fixedly installed with clamping seats, and arc clamping openings are respectively formed in the opposite side walls of the symmetric clamping seats.

[0010] Further, a group of upper and lower symmetric horizontal plates are fixedly installed on the right side wall of the side plate, and a horizontal opening is formed in the top surface of the horizontal plate.

[0011] Further, the fixed rod is fixedly installed in the horizontal opening, a compression spring is sleeved on the outside of the fixed rod, connecting blocks are respectively fixedly installed on the right side parts of the top surface and the bottom surface of the baffle and are movably installed in the horizontal opening, a connecting hole is formed in the side wall of the connecting block and is movably installed with the fixed rod through the connecting hole, and the connecting block is further fixedly installed at the right end of the compression spring, and a handle is fixedly installed on the front wall of the baffle.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, the protection mechanism is arranged to cooperate with the use of the multi-module combined electrical experiment box, when the experiment box is not used, under the elastic force of the compression spring, the connecting block is pushed to move right along the fixed rod through the connecting hole, the connecting block drives the baffle to move synchronously, the baffle shields the power socket, so that the problem of damage of the power socket due to exposure to external factors is avoided, and the dustproof and waterproof effects are achieved.

[0014] When the experiment box is used, the baffle is pulled left through the handle to expose the power socket, one end of the power cord is inserted into the power socket, the knob is rotated to drive the bidirectional screw rod to rotate through the rotating rod, after the symmetrical L-shaped plates are relatively moved along the bidirectional screw rod through the screw holes, the power cord is clamped and fixed through the arc-shaped clamping openings in the clamping seats on the opposite surfaces of the symmetrical L-shaped plates, so that the problem of loosening and falling of the power cord on the box body after the experiment box moves in the operation process or under the influence of other external factors is avoided, the power cord is protected from falling off, the normal electrical experiment is ensured, and the normal use of the multi-module combined electrical experiment box is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the whole structure side view schematic diagram of the utility model;

[0017] Figure 3 It is the whole structure schematic diagram of the side plate of the utility model;

[0018] Figure 4 It is the wire clamping structure split schematic diagram of the protection mechanism of the utility model;

[0019] Figure 5 It is the dustproof and waterproof structure split schematic diagram of the protection mechanism of the utility model.

[0020] In the drawing: 1, box body; 2, box cover; 3, hinge; 4, lock catch; 5, handle; 6, power socket; 7, mainboard; 8, experiment module; 9, protection mechanism; 10, side plate; 11, limiting sliding opening; 12, fixed plate; 13, rotating hole; 14, transverse plate; 15, transverse opening; 16, bidirectional screw rod; 17, rotating rod; 18, knob; 19, L-shaped plate; 20, screw hole; 21, limiting sliding block; 22, clamping seat; 23, arc-shaped clamping opening; 24, fixed rod; 25, compression spring; 26, baffle; 27, connecting block; 28, connecting hole; 29, handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] As shown in Figure 1 - Figure 5 The utility model discloses a multi -module combined high school physics electricity experiment box, including box 1 and lid 2, the lid 2 is connected in the top of box 1 through the hinge 3, and the lid 2 is also fixedly connected together with box 1 through the lock catch 4, the front end wall of box 1 is fixedly connected with the handle 5, and the right side wall of box 1 is fixedly connected with the power socket 6, the inside of box 1 is fixedly connected with the mainboard 7, and the top of mainboard 7 is fixedly connected with a plurality of different function experiment module 8, and different function experiment module 8 is connected through the connecting line and is used in combination, and different electricity experiments can be carried out.

[0023] The right side wall of box 1 is equipped with the protection mechanism 9, and the protection mechanism 9 includes the side plate 10, the transverse plate 14, the bidirectional screw rod 16, the L-shaped plate 19, the clamping seat 22, the fixed rod 24, the compression spring 25 and the baffle 26, the side plate 10 is fixedly connected on the side wall of box 1, and the side wall of side plate 10 is fixedly connected with the symmetrical transverse plate 14, the bidirectional screw rod 16 is movably connected between the fixed plate 12 of the front face wall of side plate 10 through the rotary rod 17 at both ends, and the two L-shaped plates 19 are movably connected with the bidirectional screw rod 16 through the screw hole 20 on the top surface respectively, the opposite side walls of the two L-shaped plates 19 are also fixedly connected with the clamping seat 22 respectively, the fixed rod 24 is fixedly connected in the inside of the transverse plate 14, and the compression spring 25 is sleeved on the outside of the fixed rod 24, the baffle 26 is movably connected with the fixed rod 24 through the connecting block 27 on the upper and lower surfaces, and the connecting block 27 is also fixedly connected with the compression spring 25.

[0024] As shown in Figure 3 The side plate 10 is fixedly installed on the right side wall of the box 1, and the front face wall of the side plate 10 is provided with a limiting sliding port 11, and the limiting sliding port 11 is used for cooperating with a limiting sliding block 21 to realize sliding operation, a group of upper and lower symmetrical fixed plates 12 are fixedly installed on the front face wall of the side plate 10, and the top surface of the fixed plate 12 is provided with a rotating hole 13, and the rotating hole 13 on the top surface of the fixed plate 12 is used for cooperating with a rotary rod 17 to realize rotation operation.

[0025] As shown in Figure 4As shown, the upper and lower ends of the bidirectional screw rod 16 are respectively fixedly installed with rotating rods 17, and the rotating rods 17 are movably installed in the rotating holes 13. The top end of the upper rotating rod 17 is also fixedly installed with a knob 18. Manual rotation of the knob 18 can drive the bidirectional screw rod 16 to rotate through the rotating rod 17.

[0026] As shown in the figure, Figure 4 As shown, the L-shaped plates 19 are provided in a symmetrical pair, and the top surfaces of the vertical parts of the L-shaped plates 19 are provided with screw holes 20 and are connected together with the bidirectional screw rod 16 through the screw holes 20. The rear end walls of the vertical parts of the L-shaped plates 19 are fixedly installed with limit sliding blocks 21, and the limit sliding blocks 21 are movably installed in the limit sliding holes 11. The opposite side walls of the horizontal parts of the symmetrical L-shaped plates 19 are respectively fixedly installed with clamping seats 22, and the opposite side walls of the symmetrical clamping seats 22 are respectively provided with arc-shaped clamping openings 23. Under the driving of the bidirectional screw rod 16, the symmetrical L-shaped plates 19 will move along the bidirectional screw rod 16 through the screw holes 20, until the clamping seats 22 provided with the arc-shaped clamping openings 23 on the opposite side walls are matched to clamp and fix the power cord, so as to avoid the problem that the power cord cannot be normally experimented due to loosening and falling off when the multi-module combined electrical experiment box is used.

[0027] As shown in the figure, Figure 3 As shown, a group of symmetrical horizontal plates 14 are fixedly installed on the right side wall of the side plate 10, and the top surfaces of the horizontal plates 14 are provided with horizontal openings 15. The horizontal openings 15 on the top surfaces of the horizontal plates 14 are used to realize horizontal sliding operation in cooperation with the connecting blocks 27.

[0028] As shown in the figure, Figure 5 As shown, the fixed rods 24 are fixedly installed in the horizontal openings 15, and the outer parts of the fixed rods 24 are sleeved with compression springs 25. The top surfaces and bottom surfaces of the right side parts of the baffle plates 26 are respectively fixedly installed with connecting blocks 27, and the connecting blocks 27 are movably installed in the horizontal openings 15. The side walls of the connecting blocks 27 are provided with connecting holes 28 and are movably installed with the fixed rods 24 through the connecting holes 28. The right ends of the connecting blocks 27 are also fixedly installed with the compression springs 25. The front walls of the baffle plates 26 are fixedly installed with handles 29. Under the elastic force of the compression springs 25, the connecting blocks 27 will be pushed to slide along the fixed rods 24 in the horizontal openings 15 through the connecting holes 28. The connecting blocks 27 will drive the baffle plates 26 to shield the front end of the power outlet 6, so as to play a protective role on the power outlet 6, prevent dust and water stains from entering the power outlet 6, and avoid damage, so as to ensure the normal use of the subsequent multi-module combined electrical experiment box.

[0029] The specific use principle of the protection mechanism 9 in cooperation with the multi-module combined electrical experiment box is as follows:

[0030] Before use, under the elastic force of the compression spring 25 outside the fixed rod 24, the compression spring 25 will push the connecting block 27 to move along the fixed rod 24 in the transverse opening 15 on the top surface of the transverse plate 14 to the right side direction through the connecting hole 28 on the side wall, the connecting block 27 will drive the installed baffle 26 to move to the right side direction between the transverse plate 14 installed on the right side wall of the side plate 10, so that the baffle 26 can always shield the front end of the power socket 6, therefore, by shielding the multi-module combined electrical experiment box by the baffle 26 when not in use, the problem of damage caused by external dust and water entering the power socket 6 can be prevented, to ensure the normal use of the subsequent multi-module combined electrical experiment box;

[0031] When using the multi-module combined electrical experiment box, after connecting one end of the power cord to the socket, the baffle 26 is pulled to the left side direction by the handle 29, so that the baffle 26 moves away from the front end of the power socket 6 to the left side and no longer shields the power socket 6, and the other end of the power cord is inserted into the power socket 6, so that the multi-module combined electrical experiment box can be powered on for use. Before use, rotate the knob 18 located above the top surface of the fixed plate 12 on the front wall of the side plate 10, the knob 18 will drive the rotating rod 17 to rotate in the rotating hole 13 on the top surface of the fixed plate 12, the rotating rod 17 will drive the bidirectional screw rod 16 to rotate, so that the upper and lower symmetrical L-shaped plates 19 are relatively moved along the bidirectional screw rod 16 through the screw holes 20 on the top surface of the vertical part, and the limit sliding block 21 installed on the rear end wall of the vertical part of the L-shaped plate 19 slides in the limit sliding hole 11 on the front wall of the side plate 10. In this process, the power cord is placed between the clamping seats 22 installed on the opposite face wall right end of the horizontal part of the upper and lower symmetrical L-shaped plates 19, and the clamping seats 22 move with the L-shaped plates 19 by continuously rotating the knob 18, and then cooperate with the arc-shaped clamping opening 23 on the opposite face wall to clamp and fix the power cord between the clamping seats 22, and the knob 18 cannot be rotated any more, so that the problem of power cord loosening and falling off on the box body 1 can be avoided when the experiment box moves in the operation process or other external factors, which plays a role in preventing the power cord from falling off, to ensure the normal electrical experiment, finally, the experiment personnel can perform different function electrical experiments through the connection line after the experiment module 8 is combined, thereby bringing convenience for the normal use of the multi-module combined electrical experiment box.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-module combined high school physics electrical experiment box, comprising a box body (1) and a box cover (2), wherein the box cover (2) is movably connected to the top surface of the box body (1) by a hinge (3), and the box cover (2) is also fixedly connected to the box body (1) by a latch (4), a handle (5) is fixedly connected to the front wall of the box body (1), and a power socket (6) is fixedly connected to the right side wall of the box body (1), a main board (7) is fixedly connected inside the box body (1), and several experimental modules (8) with different functions are fixedly connected to the top surface of the main board (7), characterized in that: The right side wall of the housing (1) is provided with a protective mechanism (9), which includes a side plate (10), a transverse plate (14), a double-acting screw (16), an L-shaped plate (19), a clamping seat (22), a fixing rod (24), a compression spring (25), and a baffle (26). The side plate (10) is fixedly connected to the side wall of the housing (1), and symmetrical transverse plates (14) are fixedly connected to the side wall of the side plate (10). The double-acting screw (16) is movably connected to the symmetrical front wall of the side plate (10) through rotating rods (17) at both ends. Between the fixed plates (12), and the two L-shaped plates (19) are movably connected to the double screw (16) through the screw holes (20) on the top surface respectively. The two L-shaped plates (19) are also fixedly connected to the opposite walls respectively. The fixed rod (24) is fixedly connected inside the transverse plate (14), and the compression spring (25) is sleeved on the outside of the fixed rod (24). The baffle (26) is movably connected to the fixed rod (24) through the connecting blocks (27) on the upper and lower surfaces, and the connecting blocks (27) are also fixedly connected to the compression spring (25).

2. The multi-module combined high school physics electrical experiment box according to claim 1, characterized in that: The side plate (10) is fixedly installed on the right side wall of the box (1), and a limit slide (11) is opened on the front wall of the side plate (10). A set of vertically symmetrical fixing plates (12) are fixedly installed on the front wall of the side plate (10), and a rotating hole (13) is opened on the top surface of the fixing plate (12).

3. The multi-module combined high school physics electrical experiment box according to claim 2, characterized in that: The upper and lower ends of the bidirectional screw (16) are respectively fixedly installed with rotating rods (17), and the rotating rods (17) are movably installed in the rotating hole (13). A knob (18) is also fixedly installed at the top of the upper rotating rod (17).

4. The multi-module combined high school physics electrical experiment box according to claim 3, characterized in that: The L-shaped plate (19) is provided with a set of symmetrical upper and lower parts, and the top surface of the vertical part of the L-shaped plate (19) is provided with a screw hole (20) and is threadedly connected to the bidirectional screw (16) through the screw hole (20). The rear end wall of the vertical part of the L-shaped plate (19) is fixedly installed with a limiting slider (21), and the limiting slider (21) is movably installed in the limiting slide (11). The right end of the opposite side wall of the horizontal part of the symmetrical L-shaped plate (19) is fixedly installed with a clamping seat (22), and the opposite side wall of the symmetrical clamping seat (22) is provided with an arc-shaped clamping mouth (23).

5. A multi-module combined high school physics electrical experiment box according to claim 4, characterized in that: A set of vertically symmetrical horizontal plates (14) are fixedly installed on the right side wall of the side plate (10), and a horizontal opening (15) is provided on the top surface of the horizontal plate (14).

6. A multi-module combined high school physics electrical experiment box according to claim 5, characterized in that: The fixing rod (24) is fixedly installed inside the transverse opening (15), and a compression spring (25) is fitted on the outside of the fixing rod (24). Connecting blocks (27) are fixedly installed on the top and bottom right sides of the baffle (26), and the connecting blocks (27) are movably installed inside the transverse opening (15). A connecting hole (28) is provided on the side wall of the connecting block (27), and it is movably installed together with the fixing rod (24) through the connecting hole (28). The connecting block (27) is also fixedly installed on the right end of the compression spring (25). A handle (29) is fixedly installed on the front wall of the baffle (26).

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