CN218768492U - Physical acceleration experimental device for middle school students - Google Patents

Abstract

The utility model relates to a physics experimental facilities field just discloses a middle school student's physical acceleration experimental apparatus, including the device main part, first screw hole has been opened to device main part symmetry side, the device main part is close to an end position below and is provided with the fixed plate, the grip block of two parallels of fixed surface fixed connection on the fixed plate, the placer main part between two grip blocks, the notch that runs through is seted up to the grip block, sliding connection has first bolt in the notch, and first bolt passes notch and first screw hole threaded connection, fixed plate lower surface one end fixedly connected with connecting plate, connecting plate one side end fixedly connected with fixed block, after highly adjusting of device main part one end, locking first bolt, the device main part can not produce too big rocking when the baffle before the dolly striking track during the experiment, reaches the effect that prevents that the device main part from leading to the device main part to drop from the experiment table because of the striking of dolly or the careless collision of classmates.

Description

Physical acceleration experimental device for middle school students

Technical Field

The utility model relates to a physics experimental facilities field specifically is a middle school student's physical acceleration experimental apparatus.

Background

Along with the popularization of quality education, schools attach more and more importance to the teaching level, and the physical principle is often proved with the experiment in the physical teaching, also can improve student's interest of studying simultaneously, and the acceleration experiment belongs to an important experiment in the physics, and the acceleration experiment needs to use dedicated acceleration experimental apparatus.

The existing physical acceleration experiment device for middle school students is a sliding rail trolley device, a heavy object traction trolley is hung on the sliding rail trolley, a paper tape is connected to the back of the trolley, the paper tape penetrates through an electric spark timer fixed on the back of the device to perform experiments, one end of the device needs to be lifted up before each experiment, the trolley can slide on the sliding rail smoothly without any traction condition, the experiments are performed after the height is adjusted, the acceleration experiment needs to be performed for multiple times, the trolley can strike a front baffle of the sliding rail every time, the existing device does not have any fixing mode, the weight of the device is light, when the middle school students go to a physical experiment course, one experiment table can have multiple students, if misoperation or collision of students can possibly lead the experiment device to drop from the experiment table, if the experiment device drops, the experiment table is damaged easily on the ground, and the teaching progress is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a middle school student's physical acceleration experimental apparatus to solve the problem that the background art provided.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a middle school student's physical acceleration experimental apparatus, includes the device main part, first screw hole has been opened to device main part symmetry side, the device main part is close to an end position below and is provided with the fixed plate, the grip block of two parallels of fixed plate upper surface fixed connection, the placer main part between two grip blocks, the notch that runs through is seted up to the grip block, sliding connection has first bolt in the notch, and first bolt passes notch and first screw hole threaded connection, fixed plate lower surface one end fixedly connected with connecting plate, connecting plate side end fixedly connected with fixed block, the second screw hole that runs through is seted up to fixed block one side, second screw hole female connection has the second bolt.

Preferably, the fixed plate one side is seted up the spout with outside intercommunication, sliding connection has the slider in the spout, fixed surface is connected with the threaded rod on the slider, grip block one side end fixedly connected with briquetting, the threaded rod runs through the one end threaded connection nut behind the briquetting.

Preferably, the sliding groove is T-shaped and is inverted T-shaped.

Preferably, the first bolt and the second bolt are handle bolts, and the handle is a hexagonal rubber head handle.

Preferably, the number of the second threaded holes is at least two, and the number of the second bolts is at least two.

(III) advantageous effects

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

1. this novel middle school student's physical acceleration experimental apparatus, be provided with first screw hole through device main part both sides, device main part below is provided with the fixed plate, fixed plate side end is provided with the connecting plate, connecting plate one side is provided with the fixed block, be provided with the second bolt hole on the fixed block, be provided with the second bolt in the second bolt hole, the fixed plate upper surface is provided with the grip block of two parallels, be provided with the notch on the grip block, the notch is provided with first bolt, first threaded hole of first bolted connection, placer main part between two grip blocks of first bolt, after the altitude mixture of device main part one end is good, lock first bolt, the device main part can not produce too big rocking when the baffle before the dolly striking track when the experiment, reach the effect that the device main part leads to the device main part to drop from the experiment table because of the striking of dolly or the careless collision of classmates.

2. This kind of novel middle school student's physical acceleration experimental apparatus is provided with the spout through setting up the fixed plate, is provided with the slider in the spout, is provided with the threaded rod on the slider, and grip block one side is provided with the briquetting, and the threaded rod runs through the clamp plate, and threaded rod one end is provided with the nut, can adjust to add the distance of holding between the board, reaches the effect of the different width device main parts of centre gripping.

Drawings

FIG. 1 is a schematic view of the overall structure and the position of a first threaded hole of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the connection between the fixing plate and the clamping plate of the present invention;

fig. 4 is a schematic view of the connection structure of the sliding chute and the sliding block of the present invention.

In the figure: 1. a device main body; 2. a first threaded hole; 3. a fixing plate; 4. a clamping plate; 5. a notch; 6. a connecting plate; 7. a fixed block; 8. a second threaded hole; 9. a second bolt; 10. a first bolt; 11. briquetting; 12. a chute; 13. a slider; 14. a nut; 15. a threaded rod.

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.

Examples

Referring to fig. 1-4, a middle school student physical acceleration experimental apparatus, including a device main body 1, a first threaded hole 2 is opened to the symmetry side of the device main body 1, a fixed plate 3 is provided below the device main body 1 near an end position, two parallel clamping plates 4 are fixedly connected to the upper surface of the fixed plate 3, a placement device main body 1 is provided between the two clamping plates 4, a through notch 5 is provided on the clamping plate 4, a first bolt 10 is slidably connected in the notch 5, the first bolt 10 passes through the notch 5 and is in threaded connection with the first threaded hole 2, a connecting plate 6 is fixedly connected to one end of the lower surface of the fixed plate 3, a fixed block 7 is fixedly connected to one side end of the connecting plate 6, a through second threaded hole 8 is provided on one side of the fixed block 7, a second bolt 9 is in threaded connection with a second bolt 9, a plastic sleeve is sleeved on the threaded end of the second bolt 9 so as to prevent a laboratory table from being damaged for a long time, after the device main body 1 is adjusted, the first bolt 10 is screwed, continuous collision of a trolley is prevented, or a lot of classmates together, and the device main body 1 falls off from the laboratory table.

Referring to fig. 3 and 4, a sliding groove 12 communicated with the outside is formed in one side of the fixing plate 3, a sliding block 13 is connected to the sliding groove 12 in a sliding mode, a threaded rod 15 is fixedly connected to the upper surface of the sliding block 13, a pressing block 11 is fixedly connected to one side end of the clamping plate 4, the threaded rod 15 penetrates through the pressing block 11, the threaded rod 15 penetrates through a threaded connection nut 14 at one end behind the pressing block 11, experimental acceleration devices of all schools cannot be the same, when the width of the device main body 1 is different, the nut 14 can be loosened, the sliding block 13 is moved, and clamping of the widths of different device main bodies 1 is achieved.

Referring to fig. 4, the sliding slot 12 is T-shaped and inverted T-shaped, and the T-shaped configuration facilitates movement and fixation of the sliding block 13 and the sliding slot 12.

Referring to fig. 1-4, the first bolt 10 and the second bolt 9 are handle bolts, and the handles are hexagonal rubber head handles, so that the handle bolts are more convenient for students to assemble, the students can normally assemble without tools, the practical ability of the students is increased, and the students can be disassembled conveniently and quickly after the experiment.

Referring to fig. 3-4, the number of the second threaded holes 8 is at least two, the number of the second bolts 9 is at least two, and the two bolts are arranged to make the device more stable, so that the device body 1 is more stable and not easy to drop or shake from the experiment table, and a plastic sleeve is sleeved on one end of the threads of the second bolts 9, so that the experiment table is not easy to damage.

The working principle is as follows: position control that will install 1 one end of main part needs before the experiment is good, small rail car can smooth-going slide on the track, the utility model discloses put in suitable position, the 3 laminating experiment desktops of fixed plate, utilize the corner of experiment table, hug closely the experiment desktop with connecting plate 6, second bolt 9 twists in second screw hole 8, screw up second bolt 9, offset at the bottom of second bolt 9 and the experiment table, device main part 1 is placed between two grip blocks 4, first bolt 10 is screwed up to first screw hole 2, if 1 width of device main part differs, unscrew nut 14, slide block 13 adjusts suitable position, screws up nut 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (5)

1. The utility model provides a middle school student's physical acceleration experimental apparatus, includes device main part (1), its characterized in that, first screw hole (2) are opened to device main part (1) symmetry side, device main part (1) is close to an end position below and is provided with fixed plate (3), two parallel grip blocks (4) of fixed surface fixed connection on fixed plate (3), placer main part (1) between two grip blocks (4), notch (5) that run through are seted up in grip block (4), sliding connection has first bolt (10) in notch (5), and first bolt (10) pass notch (5) and first screw hole (2) threaded connection, fixed plate (3) lower surface one end fixedly connected with connecting plate (6), connecting plate (6) a side end fixedly connected with fixed block (7), second screw hole (8) that run through are seted up to fixed block (7) one side, second screw hole (8) female connection has second bolt (9).

2. The physical acceleration experiment device for middle school students according to claim 1, wherein a sliding groove (12) communicated with the outside is formed in one side of the fixing plate (3), a sliding block (13) is connected in the sliding groove (12) in a sliding manner, a threaded rod (15) is fixedly connected to the upper surface of the sliding block (13), a pressing block (11) is fixedly connected to one side end of the clamping plate (4), the threaded rod (15) penetrates through the pressing block (11), and the threaded rod (15) penetrates through a threaded connection nut (14) at one end behind the pressing block (11).

3. The physical acceleration experiment device for middle school students according to claim 2, characterized in that the sliding chute (12) is T-shaped and is inverted T-shaped.

4. The physical acceleration experiment device for middle school students according to claim 1, wherein the first bolt (10) and the second bolt (9) are handle bolts, and the handle is a hexagonal rubber head handle.

5. The middle school student physical acceleration experiment device according to claim 1, characterized in that the number of the second threaded holes (8) is at least two, and the number of the second bolts (9) is at least two.

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