CN210605340U - Portable desktop projection screen device - Google Patents
Portable desktop projection screen device Download PDFInfo
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- CN210605340U CN210605340U CN201921200262.7U CN201921200262U CN210605340U CN 210605340 U CN210605340 U CN 210605340U CN 201921200262 U CN201921200262 U CN 201921200262U CN 210605340 U CN210605340 U CN 210605340U
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- shell
- face
- bottom shell
- projection screen
- portable desktop
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Abstract
The utility model discloses a portable desktop projection screen device, which comprises a face shell, a back ridge, a bottom shell and a cloth screen connected between the face shell and the bottom shell, wherein the face shell can be unfolded or closed relative to the bottom shell, the back ridge is used as a supporting part of a desktop when the face shell is unfolded, one end of the cloth screen is fixedly connected with one side edge of the face shell, the other end of the cloth screen is fixedly connected with one side edge of the bottom shell, and the cloth screen is synchronously unfolded when the face shell is unfolded relative to the bottom shell; when the face shell and the bottom shell are closed, the cloth screen is folded between the face shell and the bottom shell. When the relative drain pan of face-piece expandes, face-piece, drain pan and back are the Z word shape, play firm effect, and the back plays main supporting role, make portable desktop projection screen device be difficult to empty, the user can use miniature projector or other suitable types's projector projection picture to cloth curtain for watching, when the end use, with face-piece and drain pan closed can, its simple structure, simple operation, still be convenient for accomodate and carry.
Description
Technical Field
The utility model relates to a projection equipment technical field, in particular to portable desktop projection screen device.
Background
A projection device is a display device for generating large-sized pictures. The projection device has an imaging principle that an illumination beam generated by a light source is converted into an image beam by a light valve, and the image beam is projected onto a screen through a lens to form an image. With the progress of projection technology and the reduction of manufacturing, the use of projection devices has gradually expanded from commercial use to household use. With the trend of high speed, high performance, light weight, small size and small size of various electronic products, pico-projectors (pico-projectors) have become the mainstream of the personal digital market in the future.
The miniature projector has smaller volume, so that a user can conveniently carry the miniature projector and can project pictures by the miniature projector at any time and any place. For example, the projection can be performed by a micro-projector on a wall surface or other suitable plane of a building. However, if the environment of the user does not have a proper projection surface available for the micro-projector, the advantages and convenience of the micro-projector available anywhere will be reduced.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a portable desktop projection screen device, which can provide a projection surface and is easy to carry and use.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a portable desktop projection screen device comprises a face shell, a back ridge and a bottom shell which are sequentially connected, and further comprises a cloth screen connected between the face shell and the bottom shell, wherein the face shell can be unfolded or closed relative to the bottom shell, the back ridge is used as a supporting part of a desktop when the face shell is unfolded, one end of the cloth screen is fixedly connected with one side edge of the face shell, the other end of the cloth screen is fixedly connected with one side edge of the bottom shell, and the cloth screen is synchronously unfolded when the face shell is unfolded relative to the bottom shell; when the face shell and the bottom shell are closed, the cloth screen is folded between the face shell and the bottom shell.
In the portable desktop projection screen device, the back ridge is L-shaped and is provided with a first folding edge and a second folding edge, and the first folding edge is connected with the second folding edge.
In the portable desktop projection screen device, the first folding edge is connected with the other side edge of the face shell, and a folding groove is arranged at the connection part; the second folded edge is connected with the other side edge of the bottom shell and is perpendicular to the bottom shell.
In the portable desktop projection screen device, a support strip is arranged between the first folding edge and the bottom shell, and the first folding edge, the support strip and the bottom shell are connected through at least one fixing buckle.
In the portable desktop projection screen device, the inner side surface of one side of the face shell is provided with a magnet piece and/or an iron piece, and the inner side surface of one side of the bottom shell is provided with an iron piece and/or a magnet piece.
In the portable desktop projection screen device, the outer side surface of the bottom shell is provided with a positioning belt, and the outer side surface of the face shell is provided with a positioning buckle matched with the positioning belt.
In the portable desktop projection screen device, the sum of the widths of the surface shell and the first folding edge is equal to the width of the bottom shell.
In the portable desktop projection screen device, the unfolding angle of the surface shell and the bottom shell is 180 degrees.
In the portable desktop projection screen device, the positioning belt is an elastic belt and is provided with a first hanging and buckling part and a second hanging and buckling part.
Compared with the prior art, the utility model provides a portable desktop projection screen device, when the relative drain pan of face-piece launches, face-piece, drain pan and back of the body are the zigzag shape, play firm effect, just the back of the body plays main supporting role, makes portable desktop projection screen device be difficult to empty, the user can use micro-projector or other appropriate types's projector to throw picture to the cloth curtain and for watching, when the end uses, with face-piece and drain pan closure can, the utility model discloses simple structure, simple operation, still be convenient for accomodate and carry, be fit for extensively promoting.
Drawings
Fig. 1 is a schematic front view of the portable desktop projection screen device provided by the present invention in an expanded state.
Fig. 2 is a schematic back view of the portable desktop projection screen device provided by the present invention in an expanded state.
Fig. 3 is a schematic view of the portable desktop projection screen device provided by the present invention in a closed state.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
Referring to fig. 1, 2 and 3, the portable desktop projection screen device provided by the present invention includes a face shell 1, a back ridge 2, a bottom shell 3 and a cloth screen 4 connected between the face shell 1 and the bottom shell 3, which are connected in sequence, wherein the face shell 1 can be unfolded or closed relative to the bottom shell 3, the back ridge 2 is used as a supporting part with the desktop when being unfolded, one end of the cloth screen 4 is fixedly connected with one side of the face shell 1, and the other end of the cloth screen 4 is fixedly connected with one side of the bottom shell 3, so that when the face shell 1 is unfolded relative to the bottom shell 3, the cloth screen 4 is synchronously unfolded; when the face shell 1 and the bottom shell 3 are closed, the cloth screen 4 is folded between the face shell 1 and the bottom shell 3.
When face-piece 1 expandes relative drain pan 3, make face-piece 1, drain pan 3 and back 2 be the zigzag shape, play firm effect, just back 2 plays main supporting role, makes portable desktop projection screen device be difficult to empty, the user can use miniature projector or other suitable types's projector to throw the picture to cloth 4 for watching, when the end uses, with face-piece 1 and drain pan 3 closed can to portable and accomodate.
The back 2 is L-shaped and is provided with a first folded edge 21 and a second folded edge 22, the first folded edge 21 is connected with the second folded edge 22, and the joint is 90 degrees. Specifically, the first folded edge 21 is connected with the other side edge of the face shell 1, and a folded groove 11 is formed in the connection position; the second flange 22 is connected to the other side of the bottom case 3 and perpendicular to the bottom case 3, so that when the front cover 1 is unfolded relative to the bottom case 3, the front cover 1 is opened along the folding groove 11, the positions of the first flange 21, the second flange 22 and the bottom case 3 are unchanged, and the second flange 22 is the thickness of the portable desktop projection screen device and also plays a supporting role in erecting the portable desktop projection screen device. When the face shell 1 is opened relative to the bottom shell 3, the unfolding angle between the face shell 1 and the bottom shell 3 is close to 180 degrees, so that the cloth screen 4 is unfolded into a plane, and a user can watch pictures conveniently.
More specifically, the sum of the widths of the face shell 1 and the first folded edge 21 is equal to the width of the bottom shell 3, so that when the face shell 1 is unfolded, the positions of the first folded edge 21 and the bottom shell 3 are not changed, and when the face shell 1 is closed, the cloth screen 4 can be completely accommodated between the face shell 1 and the bottom shell 3.
With reference to fig. 1, 2 and 3, a support strip 5 is disposed between the first folding edge 21 and the bottom case 3, the first folding edge 21, the support strip 5 and the bottom case 3 are connected by at least one fixing buckle 12, and the support strip 5 can prevent the spine 2 from being deformed due to pressure during carrying, so as to prolong the service life of the product. The number of the fixing buckles 12 is two, and the number of the fixing buckles 12 can also be increased according to the lengths of the first folding edge 21, the supporting strip 5 and the bottom shell 3.
Further, the inner side surface of one side of the face shell 1 is provided with a magnet piece and/or an iron piece (not shown in the figure), and the inner side surface of one side of the bottom shell 3 is provided with an iron piece and/or a magnet piece (not shown in the figure), so that when the face shell 1 and the bottom shell 3 are closed, the face shell 1 is prevented from being opened by mistake, and the cloth screen 4 is protected from being damaged.
As shown in fig. 2 and 3, a positioning belt 6 is disposed on an outer side surface of the bottom case 3, a positioning buckle 7 adapted to the positioning belt 6 is disposed on an outer side surface of the face case 1, when the face case 1 is opened relative to the bottom case 3, the positioning belt 6 is reversely connected to the positioning buckle 7, and the face case 1 is stressed by a pulling force of the positioning belt 6, so that the cloth screen 4 is stretched along with the opening of the face case 1, and the flatness of the cloth screen 4 is maintained, thereby improving the viewing quality. Specifically, the positioning fastener 7 is a rivet fastener or other positioning fastener 7 with a small occupied space, so as to avoid affecting the flatness of the cloth screen 4 when the cloth screen is unfolded.
More specifically, the positioning belt 6 is an elastic belt and has a first hanging buckle part 61 and a second hanging buckle part 62, and when the face shell 1 is opened, the first hanging buckle part 61 is buckled on the positioning buckle 7, so that the face shell 1 is fixed. When the face-piece 1 and the bottom shell 3 are closed, the second hanging buckle part 62 is stretched to the front face of the face-piece 1 to be buckled with the positioning buckle 7, so that the face-piece 1 can be further prevented from being mistakenly opened, and the position of the positioning buckle 7 can be freely matched with the position of the face-piece when the face-piece is opened or semi-closed by adopting the elastic belt.
To sum up, the portable desktop projection screen device provided by the utility model comprises a face shell, a back ridge and a bottom shell which are connected in sequence, and further comprises a cloth screen connected between the face shell and the bottom shell, wherein the face shell can be unfolded or closed relative to the bottom shell, the back ridge is used as a supporting part of the desktop when the face shell is unfolded, one end of the cloth screen is fixedly connected with one side edge of the face shell, and the other end of the cloth screen is fixedly connected with one side edge of the bottom shell, so that when the face shell is unfolded relative to the bottom shell, the cloth screen is synchronously unfolded; when the face shell and the bottom shell are closed, the cloth screen is folded between the face shell and the bottom shell. When the face-piece expands relative to the bottom shell, the face-piece, the bottom shell and the back are Z-shaped, so that the face-piece, the bottom shell and the back are stable, the back plays a main supporting role, so that the portable desktop projection screen device is not easy to topple over, a user can use a micro projector or other projectors of proper types to project pictures to a cloth screen for watching, when the use is finished, the face-piece and the bottom shell are closed, and the portable desktop projection screen device is convenient to carry and store.
Furthermore, the lateral surface of drain pan is provided with the location area, the lateral surface of face-piece is provided with the location of taking the adaptation to detain, when the face-piece was opened to the drain pan, connects the location area on detaining in the location, through the pulling force in location area, makes the face-piece atress to make the cloth curtain stretch flat along with opening of face-piece, in order to maintain the level and smooth of cloth curtain, and then promote the projection quality.
Furthermore, the utility model discloses simple structure, simple operation, still be convenient for accomodate and carry, be fit for extensively promoting.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (9)
1. A portable desktop projection screen device comprises a face shell, a back ridge and a bottom shell which are sequentially connected, and is characterized by further comprising a cloth screen connected between the face shell and the bottom shell, wherein the face shell can be unfolded or closed relative to the bottom shell, the back ridge is used as a supporting part of a desktop when the face shell is unfolded, one end of the cloth screen is fixedly connected with one side edge of the face shell, the other end of the cloth screen is fixedly connected with one side edge of the bottom shell, and the cloth screen is synchronously unfolded when the face shell is unfolded relative to the bottom shell; when the face shell and the bottom shell are closed, the cloth screen is folded between the face shell and the bottom shell.
2. The portable desktop projection screen apparatus of claim 1, wherein the spine is L-shaped having a first fold and a second fold, the first fold being connected to the second fold.
3. The portable desktop projection screen apparatus of claim 2, wherein the first flange is connected to the other side of the front housing, and the connection has a folding groove; the second folded edge is connected with the other side edge of the bottom shell and is perpendicular to the bottom shell.
4. The portable desktop projection screen apparatus of claim 3, wherein a support bar is disposed between the first edge and the bottom housing, and the first edge, the support bar and the bottom housing are connected by at least one fixing buckle.
5. The portable desktop projection screen apparatus of claim 4, wherein the inner side surface of one side of the front shell is provided with a magnet and/or an iron plate, and the inner side surface of one side of the bottom shell is provided with an iron plate and/or a magnet plate.
6. The portable desktop projection screen apparatus of any one of claims 1-5, wherein a positioning belt is disposed on an outer side of the bottom shell, and a positioning buckle adapted to the positioning belt is disposed on an outer side of the front shell.
7. The portable desktop projection screen apparatus of claim 6, wherein the sum of the widths of the front housing and the first flap is equal to the width of the bottom housing.
8. The portable desktop projection screen apparatus of claim 7, wherein the deployment angle of the front housing and the bottom housing is 180 degrees.
9. The portable desktop projection screen apparatus of claim 6, wherein the positioning strap is an elastic strap and has a first hook portion and a second hook portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200262.7U CN210605340U (en) | 2019-07-26 | 2019-07-26 | Portable desktop projection screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200262.7U CN210605340U (en) | 2019-07-26 | 2019-07-26 | Portable desktop projection screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210605340U true CN210605340U (en) | 2020-05-22 |
Family
ID=70696395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921200262.7U Active CN210605340U (en) | 2019-07-26 | 2019-07-26 | Portable desktop projection screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210605340U (en) |
-
2019
- 2019-07-26 CN CN201921200262.7U patent/CN210605340U/en active Active
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