CN212156345U

CN212156345U - Free-form surface ultrashort-focus projection equipment

Info

Publication number: CN212156345U
Application number: CN202020532868.7U
Authority: CN
Inventors: 常文爽; 徐航宇
Original assignee: Yipu Photoelectric Tianjin Co ltd
Current assignee: Yipu Photoelectric Tianjin Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-15
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a free-form surface ultrashort-focus projection device, which comprises a projector main body and an adjusting structure, wherein the projector main body is used for projecting images to a screen, the adjusting structure is arranged at the lower part of the projector main body, the adjusting structure comprises a fixed disc, a connecting piece, a first supporting column and a second supporting column, the first supporting column is arranged at the lower part of the fixed disc, one end of the first supporting column is connected with the fixed disc, the other end of the first supporting column is connected with the connecting piece arranged at the lower part of the first supporting column, one end of the connecting piece far away from the first supporting column is connected with one end of the second supporting column, the other end of the second supporting column extends in the direction far away from the axis of the first supporting column, the second supporting column is sleeved and connected by a plurality of round tubes with different diameters, the round tubes are provided with fixing holes, the fixing holes are fixed by fixing, the height adjustment device has the advantages of being reasonable in design, convenient to adjust the height of the projection equipment and convenient for a user to use.

Description

Free-form surface ultrashort-focus projection equipment

Technical Field

The utility model particularly relates to an ultrashort burnt projection equipment of free-form surface.

Background

With the development of science and technology, people often can apply to projection equipment when meeting, especially the ultrashort burnt projecting apparatus of free curved surface, because of its adoption all solid-state laser light source, can long-time continuous service, the life-span is up to 20000 hours. The conventional projector mostly adopts a halogen lamp or a high-pressure mercury lamp, the service life is generally 3000 hours to 4000 hours, the projector cannot be used for a long time, and a bulb is expensive, so that the ultra-short-focus projector is accepted by more and more customers. At present, when using ultrashort burnt projecting apparatus, often can adjust ultrashort burnt projecting apparatus height to the projection can accurately be thrown on the screen, and convenience of customers uses, because ultrashort burnt projecting apparatus design is unreasonable, and is limited to the altitude mixture control scope, and inconvenient user uses.

How to provide a free-form surface ultra-short burnt projection equipment, have reasonable in design, can adjust projection equipment's height on a large scale according to the demand, convenience of customers uses, is the problem that will solve at present.

Disclosure of Invention

The utility model aims at providing a free-form surface ultrashort burnt projection equipment has reasonable in design, can adjust projection equipment's height on a large scale according to the demand, advantage such as convenience of customers use.

In order to achieve the above object, the utility model provides a following technical scheme: a free-form surface ultra-short focus projection apparatus includes a projector main body for projecting an image to a screen and an adjustment structure for adjusting a height of the projector main body, the adjustment structure being located at a lower portion of the projector main body, wherein,

the adjusting structure contains the fixed disk, the connecting piece, first support column and second support column, first support column is located the lower part of fixed disk, and one end with the fixed disk is connected, the other end with be located first support column lower part the connecting piece is connected, the connecting piece is kept away from the one end of first support column with second support column one end is connected, the second support column other end is to keeping away from first support column axis direction extends, just the second support column is established by the pipe cover of a plurality of different diameters and is connected, be equipped with the fixed orifices on the pipe, the fixed orifices passes through the gim peg fixed.

Furthermore, the fixed disk is provided with a horizontal scale for measuring the levelness of the fixed disk.

Furthermore, the fixed disk is close to the surface of the projector main body and is provided with a sponge layer, and the sponge layer is tightly attached to the fixed disk.

Furthermore, side walls are arranged on the periphery of the fixed disc.

Further, the fixed disk and the side wall are integrally formed.

Further, first support column both ends are equipped with the external screw thread, just the fixed disk with all there is the cooperation on the connecting piece the internal thread of external screw thread.

Furthermore, the connecting piece is of a cylindrical structure, and a channel with two communicated ends is arranged along the axial direction.

Furthermore, one side of the connecting piece, which is far away from the first supporting column, is provided with a lower concave part which is matched and fixed with the second supporting column.

Furthermore, one end, far away from the connecting piece, of the second supporting column is provided with an anti-skidding gasket, and the anti-skidding gasket is in adhesive connection with the second supporting column through an adhesive.

Further, the number of the second supporting columns is 3.

Compared with the prior art, the beneficial effects of the utility model are that: the free-form surface ultra-short-focus projection equipment is composed of a projector main body and an adjusting structure, wherein the projector main body is used for projecting images to a screen, and the adjusting structure is used for adjusting the height of the projector main body. The utility model discloses a structure for adjusting the height of projecting apparatus main part, including the fixed disk, the fixed disk is connected to the first support column, the second support column is connected to the second support column, and the second support column is established by the pipe cover of a plurality of different diameters and is connected, can stretch out and draw back the pipe according to actual demand, through running through the fixed orifices with the gim peg to fixed pipe, because the projecting apparatus main part is placed on the fixed disk, and then can realize the altitude mixture control to the projecting apparatus main part through adjusting second support column length. Whole equipment has reasonable in design, can adjust projection equipment's height on a large scale according to the demand, advantages such as convenience of customers use.

Drawings

Fig. 1 is a schematic structural diagram of a projection apparatus according to the present invention;

fig. 2 is a perspective view of a second support pillar of the present invention;

FIG. 3 is a perspective view of the fixing bolt of the present invention;

FIG. 4 is a top view of the mounting plate and the sidewall of the present invention;

FIG. 5 is a front view of the fixing plate and the side wall of the present invention;

FIG. 6 is a perspective view of the connector of the present invention;

fig. 7 is a top view of the connector of the present invention;

fig. 8 is a bottom view of the connector of the present invention.

Description of reference numerals:

1 fixed disc 2 connecting piece

3 first support column 4 second support column

5 round tube 6 fixing hole

7 fixing bolt 8 horizontal scale

9 sponge layer 10 side wall

11 channel 12 recess

13 antiskid pad 14 projector main body

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the spirit of the present invention will be described in detail with reference to the accompanying drawings, and any person skilled in the art can change or modify the techniques taught by the present invention without departing from the spirit and scope of the present invention after understanding the embodiments of the present invention.

The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention. Additionally, the same or similar numbered elements/components used in the drawings and the embodiments are used to represent the same or similar parts.

As used herein, the terms "first," "second," …, etc. do not denote any order or sequential importance, nor are they used to limit the invention, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.

With respect to directional terminology used herein, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology used is intended to be illustrative and is not intended to be limiting of the present teachings.

As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.

As used herein, "and/or" includes any and all combinations of the described items.

As used herein, the terms "substantially", "about" and the like are used to modify any slight variation in quantity or error that does not alter the nature of the variation. Generally, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the aforementioned values can be adjusted according to actual needs, and are not limited thereto.

Certain words used to describe the present application are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the present application.

An embodiment of the utility model provides a free form surface ultra short burnt projection apparatus, as shown in fig. 1, fig. 2 fig. 3, fig. 4 and as shown in 6, contain the regulation structure that is used for projecting the projector main part 14 of image to the screen and is used for adjusting projector main part 14 height, adjust the lower part that the structure is located projector main part 14. Wherein, it contains fixed disk 1 to adjust the structure, connecting piece 2, first support column 3 and second support column 4, first support column 3 is located the lower part of fixed disk 1, and one end is connected with fixed disk 1, the other end is connected with the connecting piece 2 that is located the 3 lower parts of first support column, the one end that first support column 3 was kept away from to connecting piece 2 is connected with 4 one end of second support column, the 3 axis direction extensions of first support column are kept away from to the 4 other ends of second support column, and second support column 4 is established by the 5 covers of the pipe of a plurality of different diameters and is connected, be equipped with fixed orifices 6 on pipe 5, fixed orifices 6 is fixed through gim peg 7.

Specifically, the method comprises the following steps: the free-form surface ultra-short-focus projection device is composed of a projector main body 14 for projecting an image to a screen and an adjusting structure for adjusting the height of the projector main body 14. The adjustment structure is located at a lower portion of the projector main body 14. The adjusting structure contains fixed disk 1, connecting piece 2, first support column 3 and second support column 4, first support column 3 is located the lower part of fixed disk 1, and one end is connected with fixed disk 1, the other end is connected with connecting piece 2 that is located the 3 lower parts of first support column, the one end that first support column 3 was kept away from to connecting piece 2 is connected with 4 one ends of second support column, the 4 other ends of second support column extend to keeping away from 3 axis directions of first support column, and second support column 4 is established by 5 covers of the pipe of a plurality of different diameters and is connected, be equipped with fixed orifices 6 on pipe 5, fixed orifices 6 is fixed through gim peg 7. Because the second support column 4 is established by the 5 covers of the pipe of a plurality of different diameters and is connected, can stretch out and draw back different diameter pipes 5 according to actual demand, through running through fixed orifices 6 with gim peg 7 to fixed pipe 5, because projector main part 14 places on fixed disk 1, and then can realize the altitude mixture control to projector main part 14 through adjusting 4 lengths of second support column. Whole equipment has reasonable in design, can adjust projection equipment's height on a large scale according to the demand, advantages such as convenience of customers use.

It should be noted that, as shown in fig. 1, in order to ensure that the levelness of the fixed disk 1 is more accurate, and further to conveniently ensure that the projector main body is stable, for example, a horizontal scale for measuring the levelness of the fixed disk 1 is arranged on the fixed disk 1. 8.

It is worth mentioning, as shown in fig. 1, 7 and 8, in order to increase the friction between the fixed disk and the projector main body 14, avoid the projector main body 14 to slide, for example, the fixed disk 1 is provided with a sponge layer 9 near the surface of the projector main body 14, and the sponge layer 9 is tightly attached to the fixed disk 1, and the sponge layer 9 also plays a role in shock absorption, effectively protects the projector main body 14, and avoids the projection picture from shaking, thereby affecting the user experience.

Further, in order to prevent the projector main body 14 from being scratched from the fixed tray 1, for example, the side walls 10 may be disposed around the fixed tray 1, and the side walls 10 may be used as blocking plates to prevent the projector main body 14 from falling off from the fixed tray 1 and damaging the device, and the side walls 10 may be disposed around the fixed tray 1 to better protect the projector main body 14.

It is worth mentioning that, as shown in fig. 1, fig. 4 and fig. 5, in order to make the fixed disk 1 and the side wall 10 more closely connected and more firmly fixed, the fixed disk 1 and the side wall 10 can be designed to be integrally formed, so that the fixed disk 1 and the side wall 10 are closely connected, the displacement movement of the fixed disk 1 and the side wall 10 is avoided, and the stable structure of the fixed disk 1 and the side wall 10 is ensured.

It should be noted that, in this embodiment, in order to make first support column 3 and fixed disk 1 and connecting piece 1 between be connected closely, it is fixed firm, for example, first support column 3 both ends are equipped with the external screw thread, and all have the internal thread of cooperation external screw thread on fixed disk 1 and the connecting piece 1, not only can make to connect closely each other through threaded connection, and is fixed firm, can conveniently change moreover, convenient to detach.

In addition, in order to ensure the structural stability of the connector, for example, the connector 2 is a cylindrical structure, and in order to reduce the weight of the connector 2, a passage is provided in the connector 2 in the axial direction, the passage communicating with both ends.

It should be particularly noted that, as shown in fig. 1, fig. 6, fig. 7 and fig. 8, a side of the connecting member 1 away from the first supporting column 3 is provided with a concave portion 12 for cooperatively fixing the second supporting column 4, and due to the existence of the concave portion 12, one end of the second supporting column 4 can be placed in the concave portion 12, so that the connecting end of the second supporting column 4 and the concave portion 12 is firmly fixed, which facilitates the adjustment of the second supporting column 4.

It should be noted that, in order to avoid the slipping phenomenon of the second support column 4, an anti-slip gasket 13 is disposed at one end of the second support column 4 away from the connecting member 2, and the anti-slip gasket 13 is adhesively connected to the second support column 4 through an adhesive.

Particularly, through a large amount of experiments, when the quantity of second support column 4 is 3, more convenient the regulation, portable.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. A free-form ultra-short focus projection apparatus comprising a projector main body for projecting an image onto a screen and an adjustment structure for adjusting a height of the projector main body, the adjustment structure being located at a lower portion of the projector main body, wherein,

2. The free-form ultra short focus projection device of claim 1, wherein said stationary platen has a horizontal scale for measuring the levelness of said stationary platen.

3. The free-form surface ultrashort-focus projection device of claim 1, wherein a sponge layer is disposed on the fixed disk near the surface of the projector main body, and the sponge layer and the fixed disk are tightly attached to each other.

4. The free form ultra short focus projection device of claim 1, wherein said stationary disk has sidewalls around its periphery.

5. The free form ultra short focus projection device of claim 4, wherein the fixed disk is integrally formed with the side wall.

6. The free-form surface ultra-short focus projection apparatus as claimed in claim 1, wherein both ends of the first support column are provided with external threads, and the fixed disk and the connecting member are provided with internal threads matching the external threads.

7. The free-form ultra short-focus projection apparatus as claimed in claim 1, wherein the connecting member is a cylindrical structure, and a channel with two ends communicating with each other is provided along the axial direction.

8. The freeform ultrashort-focus projection device of claim 1, wherein a side of the connecting member away from the first supporting column is provided with a lower concave portion for fixing the second supporting column in a matching manner.

9. The free-form ultra short focus projection device of claim 1, wherein an end of the second supporting pillar away from the connecting member is provided with an anti-slip gasket, and the anti-slip gasket is adhesively connected to the second supporting pillar by an adhesive.

10. The free form ultra short focus projection device of claim 1, wherein the number of said second support posts is 3.