CN213432998U

CN213432998U - Children's teaching toy projecting apparatus

Info

Publication number: CN213432998U
Application number: CN202021941602.4U
Authority: CN
Inventors: 罗梦华
Original assignee: Ningbo Mengxiang Toy Co ltd
Current assignee: Ningbo Mengxiang Toy Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-15
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a children teaching toy projector, which comprises a bottom plate, a projection component and a projection curtain, wherein the projection component comprises two connecting brackets, an upper rotating shaft and a lower rotating shaft are arranged between the two connecting brackets, a roller shutter is arranged between the upper rotating shaft and the lower rotating shaft, more than one transparent drawing board arranged at intervals is arranged on the roller shutter, a first gear is sleeved outside the upper rotating shaft, a second gear is sleeved outside the lower rotating shaft, the first gear and the second gear are synchronously and rotationally connected, the lower end of the projection curtain is rotationally connected to the bottom plate through the curtain rotating shaft, a third gear horizontally arranged is sleeved outside the curtain rotating shaft, a fourth gear rotationally connected to the bottom plate is arranged below the roller shutter, the third gear and the fourth gear are synchronously rotationally connected, the fourth gear is meshed with the second gear, an operating part is sleeved on one side of the lower rotating shaft, and a light source assembly is arranged on the right side of the projection assembly; three-dimensional projection is realized to this structure, and the picture later stage can conveniently be changed simultaneously, and whole structure easy operation.

Description

Children's teaching toy projecting apparatus

Technical Field

The utility model relates to a technical field of children's toys, especially a children teaching toy projecting apparatus.

Background

Along with the improvement of standard of living, children's teaching toy also does more and more lifelike, for example the toy projecting apparatus, through enlargeing the projection with the picture of predetermineeing, but in prior art, have following several problems: 1. the existing projection toy is directly projected on a wall surface, so that only two-dimensional projection images can be realized; the three-dimensional effect cannot be presented; 2. the inside projection equipment of present projection toy is predetermined, can't the later stage according to oneself like to modify, and the application effect is poor, so needs to improve.

Disclosure of Invention

The utility model aims at solving the defects of the prior art, providing a children teaching toy projector which can realize three-dimensional projection, simple operation and convenient change of the picture later stage.

In order to achieve the above object, the present invention provides a toy projector for children teaching, comprising a bottom plate, a projection assembly disposed on the right side of the upper surface of the bottom plate, a projection screen disposed on the left side of the upper surface of the bottom plate and engaged with the projection assembly, the projection assembly including two connection brackets disposed on the front and back of the upper surface of the bottom plate, an upper rotation shaft and a lower rotation shaft disposed between the two connection brackets and rotatably connected to the connection brackets, the upper rotation shaft and the lower rotation shaft being disposed in parallel, a roller blind disposed between the upper rotation shaft and the lower rotation shaft, more than one transparent drawing boards disposed at intervals on the roller blind, a first gear disposed on the upper rotation shaft, a second gear disposed on the lower rotation shaft, an upper rotation base disposed on one side of the first gear, a lower rotation base disposed on one side of the second gear, a first belt disposed between the upper rotation base and the lower rotation base, and a lower end of the projection screen rotatably connected to the bottom plate via the rotation, there is the third gear that the level set up in curtain pivot overcoat, is equipped with first roating seat in third gear upper end, is equipped with the fourth gear of rotation connection on the bottom plate below rolling up the curtain, is equipped with the second roating seat in fourth gear upper end, be equipped with the second belt between first roating seat and the second roating seat, fourth gear and second gear meshing and by the second gear drive rotation, one side cover of pivot has the rotatory operation portion of pivot under the drive, is equipped with the light source subassembly of pattern projection on the transparent drawing board to the projection curtain on the right side of projection subassembly, the light source subassembly can be dismantled and set up on the bottom plate.

For convenient operation, the operation portion include the limiting plate, be equipped with the lower pivot one end male slot of being convenient for at the back of limiting plate, be equipped with the handheld action bars of being convenient for in the front of limiting plate, the back of limiting plate offsets with the linking bridge of one side, just lower pivot one end insert in the slot after stretching out the linking bridge that corresponds.

In order to draw a picture on the transparent drawing board in the later stage conveniently, the light source assembly include two light source support that the interval set up, be equipped with the arc recess in the top of each light source support, set up at two arc recess bilateral symmetry, and erect detachable projection LED lamp between two arc recesses.

Furthermore, in order to facilitate the conversion between two-dimensional and three-dimensional in the later stage, the curtain rotating shaft is detachably inserted into the inserting hole of the bottom plate.

Compared with the prior art, the utility model discloses realize three-dimensional projection, the picture later stage can conveniently change simultaneously, and whole structure easy operation.

Drawings

Fig. 1 is a schematic overall structure diagram of a projector as a child teaching toy in this embodiment 1;

FIG. 2 is a partially exploded view of a projector as a child teaching toy according to the embodiment 1;

fig. 3 is a schematic structural diagram of a projector as a child teaching toy in this embodiment 1 when one of the connecting brackets and the light source assembly are not installed;

fig. 4 is a partially exploded view of fig. 3.

In the figure: the screen comprises a bottom plate 1, jacks 1-1, a projection screen 2, a connecting support 3, a limiting groove 3-1, an upper rotating shaft 4, a lower rotating shaft 5, a roller shutter 6, a first gear 7, a second gear 8, an upper rotating seat 9, a lower rotating seat 10, a first belt 11, a screen rotating shaft 12, a third gear 13, a first rotating seat 14, a fourth gear 15, a second rotating seat 16, a second belt 17, an operating part 18, a light source assembly 19, a limiting plate 20, slots 21, an operating rod 22, a light source support 23, an arc-shaped groove 24, a projection LED lamp 25 and a transparent drawing board 27.

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.

Example 1:

referring to fig. 1-4, the present embodiment provides a toy projector for children teaching, which includes a bottom plate 1, a projection assembly disposed on the right side of the upper surface of the bottom plate 1, a projection curtain 2 disposed on the left side of the upper surface of the bottom plate 1 and engaged with the projection assembly, the projection assembly including two connecting brackets 3 disposed on the front and back of the upper surface of the bottom plate 1, an upper rotating shaft 4 and a lower rotating shaft 5 rotatably connected to the connecting brackets 3 and disposed between the two connecting brackets 3, the upper rotating shaft 4 and the lower rotating shaft 5 being disposed in parallel up and down, a roller blind 6 disposed between the upper rotating shaft 4 and the lower rotating shaft 5, more than one transparent drawing boards 27 disposed at intervals on the roller blind 6, a first gear 7 sleeved on the upper rotating shaft 4, a second gear 8 sleeved on the lower rotating shaft 5, a rotary base 9 disposed on one side of the first gear 7, and a lower rotary base 10 disposed on one side of the second gear 8, a first belt 11 is sleeved between the upper rotary seat 9 and the lower rotary seat 10, the lower end of the projection curtain 2 is rotatably connected on the bottom plate 1 through a curtain rotating shaft 12, a third gear 13 horizontally arranged is sleeved outside the curtain rotating shaft 12, a first rotating seat 14 is arranged at the upper end of the third gear 13, a fourth gear 15 which is rotatably connected with the bottom plate 1 is arranged below the roller shutter 6, a second rotary seat 16 is arranged at the upper end of the fourth gear 15, a second belt 17 is arranged between the first rotating base 14 and the second rotating base 16, the fourth gear 15 is meshed with the second gear 8 and is driven by the second gear 8 to rotate, an operating part 18 for driving the lower rotating shaft 5 to rotate is sleeved on one side of the lower rotating shaft 5, a light source component 19 for projecting the patterns on the transparent drawing board 27 onto the projection curtain 2 is arranged on the right side of the projection component, and the light source component 19 is detachably arranged on the bottom plate 1.

In order to facilitate how to present the three-dimensional effect of the graph during teaching, when the structure works, preset graph strokes are drawn on each transparent drawing board 27 in advance, then the operation part 18 is held by a hand to rotate clockwise to drive the lower rotating shaft 5 below to rotate, at the moment, the roller shutter 6 moves downwards, then under the action of the light source component 19, each radial graph projector is arranged on the front projection screen 2, at the moment, the lower rotating shaft 5 rotates to drive the second gear 8 to rotate, the second gear 8 drives the fourth gear 15 below to rotate, the first rotating seat 14 is driven to rotate through the second belt 17, finally the projection screen 2 is driven to rotate, in the rotating process, each corresponding graph stroke is projected on the front in a mode that one stroke is projected on the front side and one stroke is projected on the back side, and meanwhile, the three-dimensional effect is formed due to rotation, and then according to the vision of people's eye characteristics of staying, finally realize the three-dimensional presentation effect to the figure, because transparent drawing board 27 can later stage erase the pattern repeatedly, realize that the picture later stage can conveniently change, and whole structure easy operation.

In this embodiment, the roller shutter 6 is a film which is sleeved between the upper rotating shaft 4 and the lower rotating shaft 5, the transparent drawing board 27 is transparent, the roller shutter 6 is black and opaque, so that the

roller shutters

6 and 7 are a whole body and made of a material such as PET/PVC, and the transparent drawing board 27 is generally wiped off by using an aqueous pen.

In this embodiment, the gear and the corresponding rotary seat are both integrally formed.

For convenient operation, the operation portion 18 include the limiting plate 20, be equipped with the slot 21 that is convenient for lower 5 one end male of pivot at the back of limiting plate 20, be equipped with the operating lever 22 that is convenient for to hand at the front of limiting plate 20, the back of limiting plate 20 offsets with the linking bridge 3 of one side, just lower pivot 5 one end insert the slot 21 after stretching out corresponding linking bridge 3 in, set up convenient operation through above-mentioned structure.

In order to facilitate later drawing on the transparent drawing board 27, the light source assembly 19 includes two light source supports 23 arranged at intervals, an arc-shaped groove 24 is arranged above each light source support 23, the two arc-shaped grooves 24 are arranged in bilateral symmetry, and a detachable projection LED lamp 25 is erected between the two arc-shaped grooves 24, through the structural arrangement, when the pattern of the transparent drawing board 27 needs to be modified, the projection LED lamp 25 can be taken down from the two arc-shaped grooves 24, then the transparent drawing board 27 needing drawing is exposed, and then a black pen is used for drawing on the transparent drawing board 27, so that the operation is convenient.

Furthermore, in order to facilitate the conversion between the two-dimensional projection and the three-dimensional projection in the later period, the curtain rotating shaft 12 is detachably inserted into the insertion hole 1-1 of the bottom plate 1, the two-dimensional projection in the later period is facilitated, only the second belt needs to be detached, the two-dimensional projection and the three-dimensional projection can be finally realized on the same toy, the connecting support 3 is also inserted into the bottom plate 1 through a shaft, the installation is facilitated, and the upper rotating shaft 4 and the lower rotating shaft 5 are correspondingly inserted into the limiting grooves 3-1 in the connecting support 3.

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.

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

1. The utility model provides a children's teaching toy projecting apparatus, includes bottom plate (1), its characterized in that: the right side of the upper surface of the bottom plate (1) is provided with a projection assembly, the left side of the upper surface of the bottom plate (1) is provided with a projection curtain (2) matched with the projection assembly, the projection assembly comprises two connecting supports (3) positioned in the front and at the back of the upper surface of the bottom plate (1), an upper rotating shaft (4) and a lower rotating shaft (5) which are rotatably connected onto the connecting supports (3) are arranged between the two connecting supports (3), the upper rotating shaft (4) and the lower rotating shaft (5) are arranged in an up-and-down parallel manner, a roller shutter (6) is arranged between the upper rotating shaft (4) and the lower rotating shaft (5), more than one transparent drawing boards (27) which are arranged at intervals are arranged on the roller shutter (6), a first gear (7) is sleeved outside the upper rotating shaft (4), a second gear (8) is sleeved outside the lower rotating shaft (5), an upper rotating shaft (9) is arranged on one side of the first gear (7), a lower rotating shaft, go up the cover and have first belt (11) between swivel mount (9) and lower swivel mount (10), rotate through curtain pivot (12) at the lower extreme of projection curtain (2) and connect on bottom plate (1), third gear (13) that have the level to set up outside curtain pivot (12), be equipped with first roating seat (14) in third gear (13) upper end, be equipped with fourth gear (15) of rotation connection on bottom plate (1) below rolling up curtain (6), be equipped with second roating seat (16) in fourth gear (15) upper end, be equipped with second belt (17) between first roating seat (14) and second roating seat (16), fourth gear (15) and second gear (8) meshing are rotated by second gear (8) drive, and rotatory operation portion (18) of pivot (5) under the drive of one side of pivot (5) have on the right side of projection subassembly be equipped with the pattern on transparent drawing board (27) to projection curtain (2) on the operation portion (18), be equipped with the cover 19) The light source assembly (19) is detachably arranged on the bottom plate (1).

2. A child teaching toy projector according to claim 1 wherein: operation portion (18) including limiting plate (20), be equipped with pivot (5) one end male slot (21) down being convenient for at the back of limiting plate (20), be equipped with in the front of limiting plate (20) and be convenient for handheld action bars (22), the back of limiting plate (20) offsets with linking bridge (3) of one side, just lower pivot (5) one end insert in slot (21) after stretching out corresponding linking bridge (3).

3. A child teaching toy projector according to claim 1 wherein: light source subassembly (19) including two light source support (23) that the interval set up, be equipped with arc recess (24) in the top of each light source support (23), set up at two arc recess (24) bilateral symmetry, and erect between two arc recess (24) and be equipped with removable projection LED lamp (25).

4. A child teaching toy projector according to claim 1 wherein: the curtain rotating shaft (12) is detachably inserted into the insertion hole (1-1) of the bottom plate (1).