CN212933881U

CN212933881U - Novel sand pendulum for mathematics

Info

Publication number: CN212933881U
Application number: CN202021340023.4U
Authority: CN
Inventors: 刘彬
Original assignee: Harbin Vocational College of Science and Technology
Current assignee: Harbin Vocational College of Science and Technology
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-09
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a novel mathematics pendulum with sand, belonging to the technical field of teaching appliances, comprising a base, the top of the base is fixedly connected with a bedplate, two sides of the surface of the base are provided with sliding grooves, the sliding grooves are connected with sliding blocks in a sliding way, a movable frame positioned at the top of the bedplate is fixedly connected between the slide blocks, a scraping plate is fixedly connected at the bottom of the movable frame, a mounting frame is fixedly connected at the top of the base, the push rod pushes the limit block to move, so that one end of the limit block moves out of the insertion groove, the spring is compressed, the top of the lifting rope is not stressed at the moment, the lifting rope can be directly drawn out to change the length of the lifting rope, the push rod is loosened after the proper length is reached, the limiting block is reset and inserted into the insertion groove under the action of the elastic force of the spring, the outer wall of the limiting block and the inner wall of the insertion groove are clamped to further fix the position of the lifting rope, the length of the lifting rope can be adjusted quickly, and then the movement tracks of the funnels with different lengths can be observed conveniently.

Description

Novel sand pendulum for mathematics

Technical Field

The utility model relates to a teaching aid technical field especially relates to a novel husky pendulum is used to mathematics.

Background

The sand pendulum is that the funnel is bound through the lifting rope to load sand in the funnel, utilize the swing of rope body to drive the funnel and remove, the sand that the funnel spills falls on the platen top and draws different figures, conveniently observes the removal orbit of funnel, can be used for the teaching in mathematics or physics to use.

The traditional sand pendulum has the following defects that 1, the traditional sand pendulum lifting rope is usually hung at the top of an installation frame in a knotting and binding mode, the length is fixed in the using process, when the length of the lifting rope needs to be adjusted, the knot needs to be unfastened first, the adjustment is troublesome, and the teaching efficiency is influenced; 2. traditional sand pendulum uses the back sand to fall on the platen top, needs manual the clearance during clearance, is difficult to the clean up and consuming time longer, for this reason, we propose a novel sand pendulum for mathematics.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel sand pendulum for mathematics aims at adjustment lifting rope length that can be convenient fast, can clear away the collection to the sand at platen top by clean efficient simultaneously.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of novel mathematics is with husky pendulum, the on-line screen storage device comprises a base, base top fixedly connected with platen, the spout has been seted up to base surface both sides, the inside sliding connection of spout has the slider, fixedly connected with is located the removal frame at platen top between the slider, remove a bottom fixedly connected with scraper blade, base top fixedly connected with mounting bracket, mounting bracket top fixedly connected with installation pipe, the inside inserting groove of having seted up of installation pipe, the installation intraductal wall is installed the spring and is connected with the stopper through spring fit, the stopper is kept away from spring one end fixedly connected with and is extended to the outside push rod of installation pipe, the inside lifting rope that can dismantle of installation pipe is connected with, the lifting rope bottom ligature has the funnel.

Optionally, a discharge groove is formed in one side of the top of the bedplate, and the bottom of the discharge groove extends to the outer surface of the base.

Optionally, a rubber pad is bonded to the bottom of the scraper, and the bottom of the rubber pad is in contact with the top of the bedplate.

Optionally, a wire hole is formed in one end of the limiting block, the top of the lifting rope penetrates through the wire hole, and one end of the limiting block, which is close to the wire hole, is inserted into the insertion groove.

Optionally, one end of the push rod is fixedly connected with a handle, and the handle is located at one end, far away from the spring, of the surface of the push rod.

The utility model has the advantages as follows:

1. the funnel that is used for splendid attire grains of sand is hung in the bottom of lifting rope, stopper and installation pipe are run through at the top of lifting rope, when needing to adjust lifting rope length, to the inside push rod that promotes of installation pipe, the push rod promotes the stopper and removes and make stopper one end shift out from the inserting groove is inside, the spring is compressed simultaneously, the lifting rope top atress this moment, directly take out and put and to change lifting rope length, loosen the push rod after reaching suitable length, stopper restoration grafting to the inserting groove is inside under the spring force effect, stopper outer wall and inserting groove inner wall centre gripping and then fix the lifting rope position, compare in traditional tying up structure, can be nimble swift adjust lifting rope length, and then conveniently observe the movement track of funnel under the different length, the convenience of use has been improved.

2. When the sand is put the operation and is accomplished back sand grain and fall to the platen top, when needing to retrieve platen top sand grain, remove slider and removal frame along the spout, remove and put up the removal in-process and drive scraper blade synchronous motion, the scraper blade contacts the platen top and removes, can strike off the sand grain at platen top all to platen top one end, conveniently collect the clearance, compare in traditional manual clearance mode, the efficiency and the quality of clearance have been improved greatly, time saving and labor saving, will remove after the clearance is accomplished and put up and the scraper blade removes to platen top one side again, can the normal use platen.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a novel mathematical sand pendulum according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a mounting pipe of a novel mathematical sand pendulum according to an embodiment of the present invention;

fig. 3 is a schematic top view of a table top of a novel mathematical sand pendulum according to an embodiment of the present invention.

In the figure: 1. a base; 2. a platen; 201. a discharge chute; 3. a chute; 301. a slider; 4. a movable frame; 401. a squeegee; 402. a rubber pad; 5. a mounting frame; 6. installing a pipe; 601. inserting grooves; 7. a limiting block; 701. a wire hole; 702. a spring; 8. a push rod; 801. a handle; 9. a lifting rope; 901. a funnel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A novel mathematical sand pendulum according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, a novel mathematical sand pendulum provided by an embodiment of the present invention comprises a base 1, a bedplate 2 is fixedly connected to the top of the base 1, sliding grooves 3 are formed on both sides of the surface of the base 1, sliding blocks 301 are slidably connected to the inside of the sliding grooves 3, a moving frame 4 positioned at the top of the bedplate 2 is fixedly connected between the sliding blocks 301, a scraping plate 401 is fixedly connected to the bottom of the moving frame 4, a mounting frame 5 is fixedly connected to the top of the base 1, a mounting tube 6 is fixedly connected to the top of the mounting frame 5, an insertion groove 601 is formed inside the mounting tube 6, a spring 702 is mounted on the inner wall of the mounting tube 6 and is cooperatively connected with a stopper 7 through the spring 702, one end of the stopper 7, which is far away from the spring 702, is fixedly connected with a push rod 8 extending to the outside of the, a funnel 901 is bound at the bottom of the lifting rope 9.

Illustratively, the push rod 8 pushes the limit block 7 to move so that one end of the limit block 7 is moved out of the insertion groove 601, the spring 702 is compressed, the top of the lifting rope 9 is not stressed, the length of the lifting rope 9 can be changed by directly drawing and placing the limit block, the push rod 8 is released after reaching the proper length, the limit block 7 is reset and inserted into the insertion groove 601 under the elastic action of the spring 702, the outer wall of the limit block 7 and the inner wall of the insertion groove 601 clamp to fix the position of the lifting rope 9, the length of the lifting rope 9 can be quickly adjusted, the motion track of the funnel 901 under different lengths can be conveniently observed, the slide block 301 and the movable frame 4 are moved along the sliding groove 3, the movable frame 4 drives the scraper 401 to synchronously move in the moving process, the scraper 401 can move to completely scrape sand particles at the top of the bedplate 2 to one end of the top of the bedplate 2, the collection and the cleaning are convenient, compared, time and labor are saved.

Referring to fig. 1, a discharge groove 201 is formed on one side of the top of the platen 2, and the bottom of the discharge groove 201 extends to the outer surface of the base 1.

Illustratively, the scraper 401 moves to scrape sand particles to one side of the discharge chute 201 and discharges the sand particles along the discharge chute 201 for collection and secondary use.

Referring to fig. 1, a rubber pad 402 is adhered to the bottom of the scraper 401, and the bottom of the rubber pad 402 is in contact with the top of the platen 2.

For example, the rubber pad 402 bonded to the bottom of the scraper 401 may allow the bottom of the scraper 401 to be in close contact with the top of the bedplate 2, so that sand particles on the top of the bedplate 2 can be scraped off completely.

Referring to fig. 1 and 2, a wire hole 701 is formed at one end of the limiting block 7, the top of the lifting rope 9 penetrates through the wire hole 701, and one end of the limiting block 7 close to the wire hole 701 is inserted into the insertion groove 601.

Illustratively, the lifting rope 9 can be conveniently inserted into the wire hole 701 formed at one end of the limiting block 7.

Referring to fig. 1 and 2, a handle 801 is fixedly connected to one end of the push rod 8, and the handle 801 is located at one end of the surface of the push rod 8, which is far away from the spring 702.

Illustratively, the push rod 8 is facilitated by a handle 801 fixed to one end of the push rod 8.

When the device is used, the bottom of the lifting rope 9 is hung and connected with the funnel 901 for containing sand grains, the sand grains are injected into the funnel 901 and the lifting rope 9 is shaken, the sand grains can be uniformly discharged to the top of the bedplate 2 from the bottom of the funnel 901, the top of the lifting rope 9 penetrates through the limiting block 7 and the mounting pipe 6, when the length of the lifting rope 9 needs to be adjusted, the push rod 8 is pushed into the mounting pipe 6, the push rod 8 pushes the limiting block 7 to move, so that one end of the limiting block 7 is moved out of the insertion groove 601, meanwhile, the spring 702 is compressed, the top of the lifting rope 9 is not stressed at the moment, the length of the lifting rope 9 can be changed by directly pulling and placing, the push rod 8 is loosened after the proper length is reached, the limiting block 7 is reset and inserted into the insertion groove 601 under the elastic action of the spring 702, the outer wall of the limiting block 7 is clamped with the inner wall of the insertion groove 601 to fix the position, further, the movement tracks of the funnel 901 under different lengths can be conveniently observed, the use convenience is improved, a lifting rope 9 can be conveniently inserted through a wire hole 701 formed in one end of a limiting block 7, the push rod 8 can be conveniently pushed through a handle 801 fixed at one end of the push rod 8, when sand falls to the top of the bedplate 2 after sand swinging operation is completed and sand at the top of the bedplate 2 needs to be recovered, the sliding block 301 and the moving frame 4 are moved along the sliding groove 3, the moving frame 4 drives the scraper 401 to synchronously move in the moving process, the scraper 401 contacts with the top of the bedplate 2 and moves, all the sand at the top of the bedplate 2 can be scraped to one end of the top of the bedplate 2, collection and cleaning are convenient, compared with the traditional manual cleaning mode, the cleaning efficiency and quality are greatly improved, time and labor are saved, the moving frame 4 and the scraper 401 are moved to one side of the top of the bedplate 2 after cleaning is completed, the bedplate, the sand grains are scraped to one side of the discharge groove 201 in the moving scraping process of the scraper 401 and discharged along the discharge groove 201 for collection and secondary utilization, and the rubber pad 402 bonded at the bottom of the scraper 401 can enable the bottom of the scraper 401 to be in close contact with the top of the bedplate 2, so that the sand grains at the top of the bedplate 2 can be completely scraped.

It should be noted that, the utility model relates to a novel husky pendulum for mathematics, including base 1, platen 2, discharge slot 201, spout 3, slider 301, remove frame 4, scraper blade 401, cushion 402, mounting bracket 5, installation pipe 6, inserting groove 601, stopper 7, line hole 701, spring 702, push rod 8, handle 801, lifting rope 9, funnel 901, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The novel mathematical sand pendulum comprises a base (1) and is characterized in that a bedplate (2) is fixedly connected to the top of the base (1), sliding grooves (3) are formed in two sides of the surface of the base (1), sliding blocks (301) are connected to the inside of the sliding grooves (3) in a sliding manner, a moving frame (4) located at the top of the bedplate (2) is fixedly connected between the sliding blocks (301), a scraper (401) is fixedly connected to the bottom of the moving frame (4), a mounting frame (5) is fixedly connected to the top of the base (1), a mounting pipe (6) is fixedly connected to the top of the mounting frame (5), an inserting groove (601) is formed in the mounting pipe (6), a spring (702) is mounted on the inner wall of the mounting pipe (6) and is connected with a limiting block (7) in a matching manner through the spring (702), and a push rod (8) extending to the outside the mounting pipe (6), the inner part of the installation pipe (6) is detachably connected with a lifting rope (9), and the bottom of the lifting rope (9) is bound with a funnel (901).

2. The novel sand pendulum for mathematics as claimed in claim 1, wherein one side of the top of the bedplate (2) is provided with a discharge groove (201), and the bottom of the discharge groove (201) extends to the outer surface of the base (1).

3. The novel mathematical pendulum of claim 1, wherein the bottom of the scraper (401) is adhered with a rubber pad (402), and the bottom of the rubber pad (402) is in contact with the top of the bedplate (2).

4. The novel mathematical sand pendulum as claimed in claim 1, wherein a wire hole (701) is formed at one end of the limit block (7), the top of the lifting rope (9) penetrates through the wire hole (701), and one end of the limit block (7) close to the wire hole (701) is inserted into the insertion groove (601).

5. The novel sand pendulum for mathematics as claimed in claim 1, wherein a handle (801) is fixedly connected to one end of the push rod (8), and the handle (801) is located at the end of the surface of the push rod (8) far away from the spring (702).