CN210348938U

CN210348938U - Hypocycloid trajectory science popularization demonstration device

Info

Publication number: CN210348938U
Application number: CN201920955122.4U
Authority: CN
Inventors: 夏聪; 董旭光; 孔枭男
Original assignee: Jiusi Education Technology Co ltd
Current assignee: Jiusi Education Technology Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-17
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a hypocycloid track popular science demonstration device, which comprises an installation ring, a fixed ring and a fixed strip, wherein a first side groove is arranged inside the installation ring, the bottom of the installation ring is respectively and fixedly connected with the two sides of the top end of a fixed plate through two connecting rods, the middle part of the fixed plate is rotatably connected with the middle part of a rotating shaft, one end of the rotating shaft is fixedly connected with the middle part of the fixed strip, the two ends of the fixed strip are respectively and rotatably connected with the middle parts of the bottom ends of two circular plates through rotating rods, the side sides of the two circular plates are respectively arranged inside the first side groove, and three electric telescopic rods are uniformly and fixedly arranged at the top part of the installation ring. The cycloid appearance is simulated through the painting brush, so that the device is more visual and vivid in use.

Description

Hypocycloid trajectory science popularization demonstration device

Technical Field

The utility model relates to a presentation device, in particular to hypocycloid orbit popular science presentation device belongs to teaching equipment technical field.

Background

Cycloid is one of numerous labored curves in mathematics, and hypocycloid refers to a fixed point track on the circumference of a moving circle which is inscribed in a fixed circle to roll without sliding. The device is equivalent to a cycloid, but does not make a circle rolling on a line, but makes a circle rolling on the inner surface of a great circle.

When the traditional device is used, the cycloid locus is inconvenient to simulate, the operation is complicated, and the use is inconvenient; when the traditional device is used, the using height of the device is not convenient to adjust according to using requirements, and when a painting brush of the temple of the device is too short, the device cannot be used and is not flexible to use; meanwhile, the traditional device is inconvenient to fix the drawing board at the top and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hypocycloid orbit popular science presentation device to solve the awkward problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hypocycloid trajectory popular science demonstration device comprises a mounting ring, a fixing ring and a fixing strip, wherein a first edge groove is formed in the mounting ring, the bottom of the mounting ring is fixedly connected with the two sides of the top end of a fixing plate through two connecting rods respectively, the middle part of the fixing plate is rotatably connected with the middle part of a rotating shaft, one end of the rotating shaft is fixedly connected with the middle part of the fixing strip, the two ends of the fixing strip are rotatably connected with the middle parts of the bottom ends of two circular plates respectively through rotating rods, the edges of the two circular plates are arranged in the first edge groove, three electric telescopic rods are uniformly and fixedly arranged at the top of the mounting ring, the tops of the three electric telescopic rods are fixedly connected with the bottom of the fixing ring, a second edge groove is formed in the fixing ring, the two sides of the top end of the fixing ring are fixedly connected with the two sides of a top plate respectively through fixing rods, and the middle, one end of the threaded rod is rotatably connected with the middle part of the top end of the extrusion plate through a shaft lever.

As a preferred technical scheme of the utility model, the fixed switch that is equipped with in one side of collar, it is three electric telescopic handle all passes through switch and external power supply electric connection, and three electric telescopic handle's size and model are the same.

As an optimized technical scheme of the utility model, the inner wall of first limit groove and the outer wall of two plectanes are all fixed and are equipped with the slipmat.

As an optimal technical scheme of the utility model, two a plurality of jacks, one of them have all been seted up at the top of plectane the jack alternates with the bottom of barrel and is connected, the fixed spring that is equipped with in bottom of barrel, the inner wall of barrel and the outer wall sliding connection of painting brush, and the bottom of painting brush and the one end contact of spring.

As an optimized technical scheme of the utility model, the fixed support frame that is equipped with in bottom of collar.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a hypocycloid orbit popular science presentation device, two plectanes are equipped with to the device inside to make their inscribe and the inner wall of collar, make them can rotate along the inner wall of collar, the top of plectane can install the painting brush simultaneously, imitate the appearance of cycloid through the painting brush, make the device use more directly perceived image; three electric telescopic rods are fixedly arranged in the device, so that the height of the device can be changed according to the use requirement during use, the waste of paintbrushes in the device can be avoided, and the device is more flexible to use; the second limit groove has been seted up at the device top, and the cooperation stripper plate is fixed external drawing board simultaneously, makes the device be convenient for install and dismantle external drawing board, and it is more convenient to use.

Drawings

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

FIG. 2 is a schematic structural view of the inside of the mounting ring of the present invention;

FIG. 3 is a schematic structural view of the top of the fixing ring of the present invention;

fig. 4 is a schematic structural diagram of the painting brush of the present invention.

In the figure: 1. a mounting ring; 2. an electric telescopic rod; 3. a fixing ring; 4. fixing the rod; 5. a rotating shaft; 6. a fixing plate; 7. a first side groove; 8. a fixing strip; 9. a rotating rod; 10. a circular plate; 11. a barrel; 12. a second side groove; 13. a pressing plate; 14. a top plate; 15. a threaded rod; 16. painting brushes; 17. a spring.

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 a hypocycloid trajectory popular science demonstration device, which comprises a mounting ring 1, a fixing ring 3 and a fixing strip 8, wherein a first side groove 7 is arranged inside the mounting ring 1, the bottom of the mounting ring 1 is respectively fixedly connected with the two sides of the top end of a fixing plate 6 through two connecting rods, the middle part of the fixing plate 6 is rotatably connected with the middle part of a rotating shaft 5, one end of the rotating shaft 5 is fixedly connected with the middle part of the fixing strip 8, the two ends of the fixing strip 8 are respectively rotatably connected with the middle parts of the bottom ends of two circular plates 10 through rotating rods 9, the lateral sides of the two circular plates 10 are respectively arranged inside the first side groove 7, three electric telescopic rods 2 are uniformly fixed at the top of the mounting ring 1, the tops of the three electric telescopic rods 2 are respectively fixedly connected with the bottom of the fixing ring 3, a second side groove 12 is arranged inside the fixing ring 3, the two sides of the top end of the fixing, the middle part of the top plate 14 is in threaded connection with the middle part of a threaded rod 15, and one end of the threaded rod 15 is rotatably connected with the middle part of the top end of the extrusion plate 13 through a shaft rod.

Preferably, the fixed switch that is equipped with in one side of collar 1, three electric telescopic handle 2 all through switch and external power supply electric connection, and three electric telescopic handle 2's size and model are all the same, prevent that 2 work of three electric telescopic handle from not synchronous causing the device to take place the slope.

Preferably, anti-slip pads are fixed on the inner wall of the first side groove 7 and the outer walls of the two circular plates 10, so as to prevent the outer walls of the two circular plates 10 and the inner wall of the first side groove 7 from sliding relatively.

Preferably, a plurality of jacks are formed in the tops of the two circular plates 10, one of the jacks is connected with the bottom of the cylinder 11 in a penetrating manner, a spring 17 is fixedly arranged at the bottom of the cylinder 11, the inner wall of the cylinder 11 is connected with the outer wall of the painting brush 16 in a sliding manner, and the bottom of the painting brush 16 is in contact with one end of the spring 17, so that the painting brush 16 is mounted.

Preferably, the bottom of the mounting ring 1 is fixedly provided with a support frame, so that the device is convenient to place and use.

When specifically using, the utility model relates to a hypocycloid orbit popular science presentation device, during the use, place the device in suitable position, and connect external power supply, place the inside at second limit groove 12 with external drawing board, rotate threaded rod 15, stripper plate 13 through threaded rod 15 bottom is fixed external drawing board, select suitable jack and installed painting brush 16 at the top of two plectanes 10 simultaneously, rotate pivot 5, pivot 5 drives fixed strip 8 and rotates, the plectane 10 that makes 8 both ends of fixed strip rotate along the inner wall of first limit groove 7 simultaneously, make painting brush 16 draw the motion cycloid of 16 bottom points of painting brush on fixing the drawing board at second limit groove 12 inside, simulate.

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.

Claims

1. The utility model provides a hypocycloid orbit popular science presentation device, includes collar (1), solid fixed ring (3) and fixed strip (8), its characterized in that, first limit groove (7) have been seted up to the inside of collar (1), the bottom of collar (1) is through two connecting rods respectively with the both sides fixed connection on fixed plate (6) top, the middle part of fixed plate (6) rotates with the middle part of pivot (5) to be connected, the middle part fixed connection of one end and fixed strip (8) of pivot (5), the both ends of fixed strip (8) all rotate with the middle part of two plectanes (10) bottom respectively through bull stick (9) and are connected, and the avris of two plectanes (10) all sets up the inside in first limit groove (7), the top of collar (1) is evenly fixed and is equipped with three electric telescopic handle (2), three the top of electric telescopic handle (2) all with the bottom fixed connection of solid fixed ring (3), second limit groove (12) have been seted up to the inside of solid fixed ring (3), the both sides on solid fixed ring (3) top all through dead lever (4) respectively with the both sides fixed connection of roof (14), the middle part of roof (14) and the middle part threaded connection of threaded rod (15), the middle part rotation on one end of threaded rod (15) is connected with stripper plate (13) top through the axostylus axostyle.

2. The hypocycloidal trajectory popular science demonstration apparatus according to claim 1 further comprising: the switch is fixedly arranged on one side of the mounting ring (1) and is three, the electric telescopic rods (2) are electrically connected with an external power supply through the switch, and the size and the model of the three electric telescopic rods (2) are identical.

3. The hypocycloidal trajectory popular science demonstration apparatus according to claim 1 further comprising: and anti-slip pads are fixedly arranged on the inner wall of the first side groove (7) and the outer walls of the two circular plates (10).

4. The hypocycloidal trajectory popular science demonstration apparatus according to claim 1 further comprising: two a plurality of jacks have all been seted up at the top of plectane (10), one of them the jack alternates with the bottom of barrel (11) and is connected, the fixed spring (17) that is equipped with in bottom of barrel (11), the inner wall of barrel (11) and the outer wall sliding connection of painting brush (16), and the bottom of painting brush (16) and the one end contact of spring (17).

5. The hypocycloidal trajectory popular science demonstration apparatus according to claim 1 further comprising: the bottom of the mounting ring (1) is fixedly provided with a support frame.