CN218974755U

CN218974755U - Multifunctional projection table

Info

Publication number: CN218974755U
Application number: CN202320132258.1U
Authority: CN
Inventors: 黄足花
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-05-05
Anticipated expiration: 2033-01-17

Abstract

The utility model aims to provide a multifunctional projection table which comprises a base, a supporting rod, a projection device and a connecting piece, wherein the supporting rod is detachably connected to the base in a plugging manner, the projection device is movably connected with the supporting rod through the connecting piece, the base is also provided with a pen container, a fan switch and a fan power supply, and the fan, the fan switch and the fan power supply are sequentially and electrically connected in series; the projection device comprises a shell, a projection lamp, a projection film with patterns, a convex lens group and a lens cone, wherein the projection lamp is arranged in the shell, a slot for connecting the projection film is formed in the shell, the lens cone is arranged on the shell, the convex lens group is arranged in the lens cone, the projection film and the projection lamp are sequentially arranged from front to back, a projection switch for switching on and off of a projection power supply and a control circuit is arranged on the shell, and the projection power supply, the projection switch and the projection lamp are sequentially connected in series. The utility model can conveniently adjust the angle of the projected image on the plane and has the stationery functions of blowing, containing the drawing pen and the like.

Description

Multifunctional projection table

Technical Field

The utility model relates to the technical field of toys, in particular to a projection table for children to play and learn.

Background

The existing projection toy for children to play and learn drawing generally comprises a shell, wherein a luminous body, a lens group and a projection sheet which are arranged in a straight line are arranged in the shell. When the user presses the power switch on the shell, the luminous body irradiates the emitted light to the lens group and the projection film, and according to the lens imaging principle, the patterns on the inner projection film are enlarged and projected to the outside for people to enjoy and entertain. However, the existing projection toy cannot change the angle of the projected image on the plane. In addition, the existing projection toy has single function.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a multifunctional projection table which can conveniently adjust the angle of a projected image on a plane and has the stationery functions of blowing, containing a drawing pen and the like.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a multi-functional projection platform includes base, branch, projection arrangement and connecting piece, branch detachably connects and inserts on the base, but projection arrangement passes through connecting piece and branch swing joint, but still be equipped with pen container, fan switch and fan power on the base, fan switch, fan power connect in series the electricity in proper order, projection arrangement includes casing, projection lamp, projection film, protruding lens group and the lens cone that have the pattern, the projection lamp sets up in the casing, the slot for connect the projection film has been seted up to the casing, the lens cone is installed on the casing, protruding lens group sets up in the lens cone, projection film, projection lamp are arranged in proper order from the front to the back, be equipped with projection power and the projection switch of control circuit break-make on the casing, projection power, projection switch, projection lamp connect in series the electricity in proper order.

The projection sheet is provided with a plurality of patterns which are annularly arranged.

The convex lens group is generally composed of a front convex lens and a rear convex lens. The front convex lens is used for magnifying an image, and the rear convex lens is used for imaging a real image. According to the convex lens imaging principle, the distance u between the convex lens group and the projection film is as follows: f < u <2f, where f is the focal length of the convex lens group, so that an enlarged image can be projected.

When the projection device is used, the projection angle of the projection device is adjusted to face the desktop paper or the drawing board, the projection film is inserted into the slot on the shell for inserting the projection film, the pattern on the projection film is rotated to be aligned with the arrangement of the projection lamp and the lens group accurately, and the projection switch is turned on to project the pattern on the projection film; the user can throw the pattern on the slide onto a paper or drawing board placed on the desktop and then draw.

The lens cone is rotatably connected with the shell through threads so as to adjust the distance between the convex lens group and the projection film, thereby achieving the best effect of obtaining clear projection images and proper size, and enhancing the practical ability of children.

The projection lamp is a light emitting diode.

The projection device is detachably connected with the connecting piece, a clamping groove is formed in the projection device shell, a clamping block is arranged on the connecting piece, when the projection device is connected with the connecting piece, the clamping groove on the projection device shell is aligned to the clamping block on the connecting piece, and the projection device is rotated to enable the clamping block to be embedded into the clamping groove, so that the clamping connection is realized; when the projection device is separated from the connecting piece, the projection device is rotated in the opposite direction to enable the clamping block to be separated from the clamping groove, and then the projection device can be separated. When the projection device is separated from the connector, the projection device can be used independently to project a pattern on a wall, a ceiling or the like as desired.

The beneficial effects of the utility model compared with the prior art are as follows: the supporting rod is movably connected with the projection device through a connecting piece, so that the angle of the projection device can be conveniently adjusted; the shell is provided with a slot for inserting the projection film, so that the projection film is easy to replace; a fan for users to blow cool; the pen container is provided with a pen container for a user to place a projection film, store stationery such as a drawing pen and the like.

The utility model is further described below with reference to the drawings and detailed description.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view showing a structure in which a connector is separated from a projection device according to an embodiment of the present utility model;

FIG. 3 is a schematic partial cross-sectional view of a projection apparatus according to an embodiment of the present utility model;

fig. 4 is a view showing a state of use of the present utility model.

Wherein the diagram illustrates: 1. a base; 2. a support rod; 3. a projection device; 4. a connecting piece; 5. a pen container; 6. a fan; 61. a fan switch; 62. a fan power supply; 31. a housing; 32. a projection lamp; 33. a projection film; 34. a convex lens group; 35. a lens barrel; 311. a slot; 36. a projection power supply; 37. a projection switch; 331. a pattern; 312. a clamping groove; 41. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, the multifunctional projection table in this embodiment includes a base 1, a support rod 2, a projection device 3 and a connecting piece 4, the support rod 2 is detachably connected to the base 1, the projection device 3 is movably connected to the support rod 2 through the connecting piece 4, the base 1 is further provided with a pen container 5, a fan 6, a fan switch 61 and a fan power 62, the fan 6, the fan switch 61 and the fan power 62 are sequentially connected in series and electrically, the projection device 3 includes a housing 31, a projection lamp 32, a projection film 33 with patterns, a convex lens group 34 and a lens cone 35, the projection lamp 32 is arranged in the housing 31, the housing 31 is provided with a slot 311 for connecting the projection film, the lens cone 35 is mounted on the housing 31, the convex lens group 34 is arranged in the lens cone 35, the projection film 33 and the projection lamp 32 are sequentially arranged from front to back, the housing 31 is provided with a projection power 36 and a projection switch 37 for controlling the on-off of a circuit, and the projection power 36, the projection switch 37 and the projection lamp 32 are sequentially connected in series and electrically. The projection lamp 32 is a light emitting diode in this embodiment. The projection film 33 is provided with a plurality of patterns 331 arranged in a ring.

In other examples, the fan may be replaced with a small night light.

The convex lens group 34 is generally composed of a front convex lens and a rear convex lens. The front convex lens is used for magnifying an image, and the rear convex lens is used for imaging a real image. According to the convex lens imaging principle, the range of the distance u between the convex lens group 34 and the projection film 33 is: f < u <2f, where f is the focal length of the convex lens group 34, so that an enlarged image can be projected.

When the projection device is used, the projection angle of the projection device 3 is adjusted against desktop paper or a drawing board, the projection film 33 is inserted into the slot 311 on the shell for inserting the projection film, the pattern on the projection film 33 is rotated to be accurately aligned with the arrangement of the projection lamp 32 and the convex lens group 34, and the projection switch 37 is turned on to project the pattern on the projection film; the user can project the pattern on the projection sheet 33 onto a paper or drawing board placed on the table and then draw.

The lens barrel 35 is rotatably screwed with the housing 31 to adjust the distance between the convex lens group 34 and the projection film 33 to achieve the best effect of obtaining a clear projection image and a proper size, and to enhance the practical ability of children.

The projection device 3 is detachably connected with the connecting piece 4, the projection device shell 31 is provided with a clamping groove 312, the connecting piece 4 is provided with a clamping block 41, when the projection device 4 is connected with the connecting piece 4, the clamping groove 312 on the projection device shell 31 is aligned with the clamping block 41 on the connecting piece 4, and the projection device 3 is rotated to enable the clamping block 41 to be embedded into the clamping groove 312, so that the clamping connection is realized; when the projection device 3 and the connecting piece 4 are separated, the projection device 3 is rotated in the opposite direction to separate the clamping block 41 from the clamping groove 312, so that the projection device can be separated. When the projection device 3 is separated from the connector 4, the projection device 3 can be used independently to project a pattern on a wall, a ceiling, or the like as desired.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. The multifunctional projection table is characterized by comprising a base, a supporting rod, a projection device and a connecting piece, wherein the supporting rod is detachably connected to the base in a plugging mode, the projection device is movably connected with the supporting rod through the connecting piece, a pen container, a fan switch and a fan power supply are further arranged on the base, the fan switch and the fan power supply are sequentially and electrically connected in series, the projection device comprises a shell, a projection lamp, a projection film with patterns, a convex lens group and a lens cone, and the projection lamp is arranged in the shell; the projection lens is characterized in that the shell is provided with a slot for connecting the projection film, the lens cone is arranged on the shell, the convex lens group is arranged in the lens cone, the projection film and the projection lamp are sequentially arranged from front to back, the shell is provided with a projection power supply and a projection switch for controlling the on-off of the circuit, and the projection power supply, the projection switch and the projection lamp are sequentially connected in series.

2. The multi-purpose projection table of claim 1, wherein the projection sheet is provided with a plurality of patterns arranged in an annular shape.

3. The multi-purpose projection table of claim 2, wherein the lens barrel is rotatably threaded with the housing.

4. A multi-function projection table according to claim 3, wherein the projection lamp is a light emitting diode.

5. The multifunctional projection table of claim 4, wherein the projection device is detachably connected with the connecting piece, a clamping groove is formed in the projection device shell, a clamping block is arranged on the connecting piece, and the clamping groove is in clamping connection with the clamping block.