CN210488990U - High school physics electricity experimental apparatus - Google Patents

Abstract

The utility model discloses a high school physics electricity experimental apparatus, including base and the cylinder of setting in the base top, the circumference of cylinder is provided with a plurality of recesses that are used for the card to put the battery, it has the gliding electrically conductive slider of recess length to follow to inlay in the recess, the upper end fixedly connected with telescopic link of base, the flexible end fixedly connected with fixed plate of telescopic link, the both ends of cylinder are rotated through the pivot and are connected on the lateral wall of fixed plate. The height of the experimental device can be adjusted by matching the limiting pin with the limiting hole, so that students with different heights can use the experimental device conveniently; the ratchet wheel and the pawl are matched for use, so that the cylinder cannot be transmitted by itself, and the phenomenon that the electric wire is pulled and the experimental instrument is damaged due to the rotation of the cylinder is prevented; through rotating the handle, the handle drives the threaded rod and rotates, and the threaded rod rotates and makes splint shift up, and then fixes experimental apparatus on the desktop, improves the stability of equipment in the experimentation.

Description

High school physics electricity experimental apparatus

Technical Field

The utility model relates to a teaching equipment technical field especially relates to a high school physics electricity experimental apparatus.

Background

With the progress of science and technology and the development of society, the teaching conditions of China are greatly improved, and the rapid development of teaching experimental articles follows.

At present, in the physical experiment process of high school, a direct current battery is often used as a power supply, and the number of the used battery sections is often required to be changed to change the current or voltage, so that the influence of the current or voltage on a bulb is observed, the physical and electrical principle is verified, and the understanding and the learning of students are facilitated.

However, the length of the general battery box is usually fixed, and only a fixed number of batteries can be placed in the general battery box, and the number of the required batteries cannot be adjusted according to the experimental needs, which is not favorable for the convenience of the physical and electrical experimental operation. Patent number is CN201820328328.X has solved above-mentioned problem, but the patent number is CN201820328328.X still exists the adjustment device height of not being convenient for, can not satisfy the student of different heights and use, the cylinder that mentions in the above-mentioned patent simultaneously easily takes place to rotate when using, can drag the used pencil of experiment, easily damage experimental facilities, the experimental facilities that the above-mentioned patent mentions are placed on the desktop, can't fix, experimental facilities's in the experimentation poor stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high school physics electricity experimental device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high school physics electricity experimental apparatus, includes base and the cylinder of setting in the base top, the circumference of cylinder is provided with a plurality of recesses that are used for the card to put the battery, it has the gliding electrically conductive slider of recess length to follow to inlay in the recess, the upper end fixedly connected with telescopic link of base, the flexible end fixedly connected with fixed plate of telescopic link, the both ends of cylinder rotate through the pivot and connect on the lateral wall of fixed plate, one of them the pivot runs through fixed plate and fixedly connected with runner, with install the locking device who is used for preventing the pivot rotation in the pivot of runner with one side, install on the base and be used for fixing the fixing device on the desktop with the base.

Preferably, the telescopic link includes fixed connection and is in base upper end sleeve, sliding connection has the movable rod in the sleeve, telescopic lateral wall runs through and is equipped with the spacer pin, the lateral wall of movable rod is equipped with a plurality of spacing holes corresponding with the spacer pin position along vertical direction equidistant, the lower extreme fixed connection of fixed plate is in the upper end of movable rod.

Preferably, the locking device comprises a ratchet wheel coaxially and fixedly connected to the rotating shaft, and a pawl matched with the ratchet wheel is rotatably connected to the side wall of the fixing plate.

Preferably, fixing device is including running through the slide bar that sets up on the base, the lower extreme fixedly connected with splint of slide bar, the upper end of base is run through and is equipped with the threaded rod, threaded rod and base threaded connection, the lower extreme of threaded rod is rotated and is connected the upper end at splint, the upper end fixedly connected with handle of threaded rod.

Preferably, the upper end of the base is fixedly connected with a storage box.

Preferably, the side wall of the runner is glued with a rubber sleeve, and the surface of the rubber sleeve is provided with anti-skid grains.

The utility model discloses following beneficial effect has:

1. the height of the experimental device can be adjusted by matching the limiting pin with the limiting hole, so that students with different heights can use the experimental device conveniently;

2. the ratchet wheel and the pawl are matched for use, so that the cylinder cannot be transmitted by itself, and the phenomenon that the electric wire is pulled and the experimental instrument is damaged due to the rotation of the cylinder is prevented;

3. through rotating the handle, the handle drives the threaded rod and rotates, and the threaded rod rotates and makes splint shift up, and then fixes experimental apparatus on the desktop, improves the stability of equipment in the experimentation.

Drawings

Fig. 1 is a schematic structural diagram of a high school physics electrical experimental apparatus provided by the present invention;

fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

In the figure: the device comprises a base 1, a rotating wheel 2, a cylinder 3, a conductive sliding block 4, a fixed plate 5, a movable rod 6, a limiting hole 7, a sleeve 8, a threaded rod 9, a storage box 10, a groove 11, a sliding rod 12, a clamping plate 13, a ratchet wheel 14, a pawl 15 and a rotating shaft 16.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, a high school physics electricity experimental apparatus, including base 1 and the cylinder 3 of setting in base 1 top, the circumference of cylinder 3 is provided with a plurality of recesses 11 that are used for the card to put the battery, it has can follow the gliding conductive sliding block 4 of recess 11 length to inlay in the recess 11, the upper end fixedly connected with storing box 10 of base 1, the upper end fixedly connected with telescopic link of base 1, the telescopic link fixedly connected with fixed plate 5 of telescopic link, the telescopic link includes fixed connection at base 1 upper end sleeve 8, sliding connection has movable rod 6 in the sleeve 8, the lateral wall of sleeve 8 runs through and is equipped with the spacer pin, the lateral wall of movable rod 6 is equipped with a plurality of spacing holes 7 corresponding with the spacer pin position along vertical direction equidistant, the lower extreme fixed connection of fixed plate 5 is in the upper end of.

The both ends of cylinder 3 are rotated through pivot 16 and are connected on the lateral wall of fixed plate 5, one of them pivot 16 runs through fixed plate 5 and fixedly connected with runner 2, the lateral wall veneer of runner 2 has the rubber sleeve, the surface of rubber sleeve is equipped with anti-skidding line, install the locking device who is used for preventing 16 rotations of pivot with the runner 2 on the same one side pivot 16, locking device includes coaxial fixed connection ratchet 14 in pivot 16, the lateral wall of fixed plate 5 rotate be connected with ratchet 14 complex pawl 15.

Install on base 1 and be used for fixing the fixing device on the desktop with base 1, fixing device is including running through slide bar 12 that sets up on base 1, slide bar 12's lower extreme fixedly connected with splint 13, and base 1's upper end runs through and is equipped with threaded rod 9, threaded rod 9 and base 1 threaded connection, and the lower extreme of threaded rod 9 rotates the upper end of connecting at splint 13, the upper end fixedly connected with handle of threaded rod 9.

The utility model discloses in, this experimental apparatus is when using, use through the spacer pin with spacing hole 7's cooperation, adjustable this experimental apparatus's height, the student of convenient not co-altitude uses, use through ratchet 14 and pawl 15's cooperation and can make cylinder 3 can not take place to pass by oneself, prevent that cylinder 3 from taking place to rotate and leading to the electric wire to pull, destroy the laboratory glassware, when using, the accessible rotates the handle, the handle drives threaded rod 9 and rotates, threaded rod 9 rotates and makes splint 13 shift up, and then fix the experimental apparatus on the desktop, improve the stability of equipment in the experimentation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A physical and electrical experimental device for high school comprises a base (1) and a cylinder (3) arranged above the base (1), a plurality of grooves (11) for clamping batteries are arranged on the circumference of the cylinder (3), a conductive sliding block (4) which can slide along the length of the groove (11) is embedded in the groove (11), it is characterized in that the upper end of the base (1) is fixedly connected with a telescopic rod, the telescopic end of the telescopic rod is fixedly connected with a fixed plate (5), two ends of the cylinder (3) are rotatably connected on the side wall of the fixed plate (5) through a rotating shaft (16), one of the rotating shafts (16) penetrates through the fixed plate (5) and is fixedly connected with a rotating wheel (2), a locking device for preventing the rotation of the rotating shaft (16) is arranged on the rotating shaft (16) on the same side of the rotating wheel (2), the base (1) is provided with a fixing device for fixing the base (1) on a desktop.

2. The high school physics electricity experimental apparatus according to claim 1, characterized in that, the telescopic link includes a sleeve (8) fixedly connected to the upper end of the base (1), a movable rod (6) is slidably connected in the sleeve (8), a limit pin is provided through the side wall of the sleeve (8), a plurality of limit holes (7) corresponding to the position of the limit pin are provided at equal intervals along the vertical direction on the side wall of the movable rod (6), and the lower end of the fixed plate (5) is fixedly connected to the upper end of the movable rod (6).

3. High school physics electrical experimental apparatus according to claim 1, characterized in that said locking device comprises a ratchet wheel (14) coaxially and fixedly connected to a rotating shaft (16), and a pawl (15) cooperating with the ratchet wheel (14) is rotatably connected to the side wall of said fixing plate (5).

4. The high school physics electricity experiment device according to claim 1, characterized in that, the fixing device comprises a sliding rod (12) passing through the base (1), the lower end of the sliding rod (12) is fixedly connected with a clamping plate (13), the upper end of the base (1) is provided with a threaded rod (9) passing through, the threaded rod (9) is in threaded connection with the base (1), the lower end of the threaded rod (9) is rotatably connected with the upper end of the clamping plate (13), and the upper end of the threaded rod (9) is fixedly connected with a handle.

5. The high school physics electrical experiment device according to claim 1, characterized in that the upper end of the base (1) is fixedly connected with a storage box (10).

6. The high school physics electrical experiment device according to claim 1, characterized in that the side wall of the rotating wheel (2) is glued with a rubber sleeve, and the surface of the rubber sleeve is provided with anti-skid veins.

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