CN216622948U - Projection screen and projector - Google Patents
Projection screen and projector Download PDFInfo
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- CN216622948U CN216622948U CN202122836593.3U CN202122836593U CN216622948U CN 216622948 U CN216622948 U CN 216622948U CN 202122836593 U CN202122836593 U CN 202122836593U CN 216622948 U CN216622948 U CN 216622948U
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Abstract
The embodiment of the utility model provides a projection screen and a projector, and relates to the field of projector assembly. The projection screen comprises a first base, a second base and a curtain, wherein the first base and the second base are connected in a sliding mode so that the first base and the second base can be close to or away from each other, the first base and the second base can be detached, the curtain is hinged to the first base to open or retract the curtain, and the curtain is detachably connected with the second base. When using this projection screen, link together first base and second base, open with first base articulated curtain through the rotation to thereby make curtain link together with the second base and expand the curtain, because the curtain is connected with first base and second base simultaneously, adjust through the distance to between first base and the second base, thereby reach the purpose of the expansion area of adjustment curtain, it is more convenient to use.
Description
Technical Field
The utility model relates to the field of projector assembly, in particular to a projection screen and a projector.
Background
In a projection display screen product, the display screen mainly has the effects of assisting the definition of a projection imaging result, increasing brightness gain, increasing a visual angle and the like.
In the field of projection display, the portable projector occupancy has gradually started to increase.
The portable projection screen in the prior art has the problems of large volume and incapability of adjusting the projection area of the projection screen.
SUMMERY OF THE UTILITY MODEL
The utility model provides a projection screen and a projector, which can adjust the projection area of the projection screen, and meanwhile, the projection screen is smaller in overall size and more portable and convenient.
Embodiments of the utility model may be implemented as follows:
embodiments of the present invention provide a projection screen, comprising:
a first base;
the first base and the second base are connected in a sliding mode, so that the first base and the second base are close to or far away from each other, and the first base and the second base are detachable;
the curtain, the curtain with first base is articulated to open or withdraw the curtain, just the curtain with second base detachably connects.
Optionally, the first base is provided with a sliding groove, the second base is provided with a projection, and the projection is slidably matched with the sliding groove.
Optionally, one end of the first base is provided with a first clamping portion, and the first clamping portion is used for clamping a preset object to fix the first base.
Optionally, the first clamping portion includes a first fastener, a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are connected to one end of the first base, the first connecting portion and the second connecting portion are spaced apart in a width direction of the first base, the first fastener is in threaded connection with the first connecting portion, and the first fastener is configured to rotate relative to the first connecting portion so as to be close to or away from the second connecting portion.
Optionally, one end of the second base is provided with a second clamping portion, and the second clamping portion is used for clamping a preset object to fix the second base.
Optionally, the second clamping portion includes a second fastener, a third connecting portion and a fourth connecting portion, the third connecting portion and the fourth connecting portion are connected to one end of the second base, the third connecting portion and the fourth connecting portion are spaced apart from each other in the width direction of the second base, the second fastener is in threaded connection with the third connecting portion, and the second fastener is configured to rotate relative to the third connecting portion to be close to or away from the fourth connecting portion.
Optionally, the curtain includes curtain body, first bracing piece and second bracing piece, first bracing piece with the one end of curtain body is connected, just first bracing piece with second base detachably connects, the second bracing piece with the curtain body telescopically connects, just the second bracing piece with first base is articulated.
Optionally, the projection screen further includes a connecting rod, the connecting rod is hinged to one end of the second base, and the connecting rod is detachably connected to the first supporting rod.
Optionally, the first base is provided with a mounting groove, and the mounting groove is used for accommodating the curtain.
Embodiments of the present invention also provide a projector including a projection screen.
The projection screen and the projector of the embodiment of the utility model have the advantages that:
the projection screen comprises a first base, a second base and a curtain, wherein the first base is connected with the second base in a sliding mode, so that the first base and the second base are close to or far away from each other, the first base and the second base can be detached, when the projection screen is used, the first base and the second base are connected, the distance between the first base and the second base is adjusted through relative sliding, after the projection screen is used, the first base and the second base are detached and placed, the whole volume of the projection screen is reduced, and the projection screen is more convenient to use and carry. The curtain is articulated with first base in order to open or withdraw the curtain, and curtain and second base detachably are connected. When using this projection screen, link together first base and second base, open with first base articulated curtain through the rotation to thereby make curtain link together with the second base and expand the curtain, because the curtain is connected with first base and second base simultaneously, adjust through the distance to between first base and the second base, thereby reach the purpose of the expansion area of adjustment curtain, it is more convenient to use.
This projecting apparatus includes the projection screen, when using this projection screen, connect first base and second base, and adjust the distance between first base and the second base through relative slip, after finishing using, unpack first base and second base apart and place, reduce the whole volume of projection screen, facilitate the use more and carry, and when using this projection screen, link together first base and second base, will open with first base articulated curtain through the rotation, and make curtain and second base link together thereby launch the curtain, thereby because the curtain is connected with first base and second base simultaneously, adjust through the distance between first base and the second base, thereby reach the purpose of the expansion area of adjustment curtain, and it is more convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a projection screen according to a first viewing angle in this embodiment;
FIG. 2 is a schematic view of a projection screen according to a second viewing angle;
fig. 3 is a schematic structural diagram of a projection screen at a third viewing angle according to the present embodiment;
fig. 4 is a schematic structural diagram of a fourth viewing angle of the projection screen according to the present embodiment.
Icon: 100-a first base; 110-a chute; 120-a first clamping portion; 121-a first fastener; 122 — a first connection; 123-a second connection; 200-a second base; 210-a bump; 220-a second clamping portion; 221-a second fastener; 222-a third connecting portion; 223-a fourth connection; 300-curtain; 301-a first support bar; 302-curtain body; 303-a second support bar; 400-a connecting rod; 500-a first plate; 600-a second plate; 1000-projection screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, it is only for convenience of describing the present invention and simplifying the description, but it is not necessary to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, it should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
In a projection display screen product, the display screen mainly has the effects of assisting the definition of a projection imaging result, increasing brightness gain, increasing a visual angle and the like.
In the field of projection displays, the occupancy of projection screen portable projectors has gradually started to increase.
The portable projection screen in the prior art has the problems of large volume and incapability of adjusting the projection area of the projection screen.
Referring to fig. 1 to 4, the present embodiment provides a projector (not shown) including a projector body (not shown) and a projection screen 1000, the projector body and the projection screen 1000 are disposed at a distance, and the projector body projects a picture onto the projection screen 1000, so as to display the picture. The projector can effectively improve the technical problems mentioned above, the projection area of the projection screen 1000 can be adjusted, and meanwhile, the overall size of the projection screen 1000 is smaller and more portable and convenient.
Referring to fig. 1, the projection screen 1000 includes a first base 100, a second base 200, and a curtain 300, wherein the first base 100 is slidably connected to the second base 200, so that the first base 100 and the second base 200 can move toward or away from each other, the first base 100 and the second base 200 can be detached, the curtain 300 is hinged to the first base 100 to open or retract the curtain 300, and the curtain 300 is detachably connected to the second base 200.
Specifically, the curtain 300 is hinged to one end of the first base 100 such that the curtain 300 can be rotated with respect to one end of the first base 100 to be opened or retracted.
It should be noted that the curtain 300 can be rotated three hundred sixty degrees and fixed about its end point hinged to the first base 100.
In the present embodiment, the first base 100 and the second base 200 are disposed along the horizontal direction, and after the first base 100 and the second base 200 are connected, the distance between the end of the first base 100 away from the second base 200 and the end of the second base 200 away from the first base 100 can be adjusted by relative sliding.
In the present embodiment, the first base 100 and the second base 200 are both strip-shaped.
Furthermore, in order to facilitate the storage of the curtain 300, the first base 100 and the second base 200 are both hollow structures.
The curtain 300 includes a curtain body 302, a first supporting rod 301 and a second supporting rod 303, the first supporting rod 301 is connected to one end of the curtain body 302, the first supporting rod 301 is detachably connected to the second base 200, the second supporting rod 303 is telescopically connected to the curtain body 302, and the second supporting rod 303 is hinged to the first base 100.
Specifically, the second support rod 303 is a hollow structure, and a winding member is disposed in the second support rod 303, the curtain body 302 is wound on the winding member, and the winding member is driven by the curtain body 302 to rotate, so that the curtain body 302 extends out of or retracts into the second support rod 303.
In addition, the projection screen 1000 further includes a connecting rod 400, the connecting rod 400 is hinged to one end of the second base 200, and the connecting rod 400 is detachably connected to the first support rod 301.
In this embodiment, the connection rod 400 may be engaged with the first support rod 301. In other embodiments, the connecting rod 400 may be threadedly connected with the first support rod 301. And is not particularly limited herein.
Referring to fig. 2, the first base 100 has a sliding slot 110, the second base 200 has a protrusion 210, and the protrusion 210 is slidably engaged with the sliding slot 110.
Specifically, the sliding groove 110 is disposed along a length direction of the first base 100, and the protrusion 210 is disposed along a length direction of the second base 200.
In other embodiments, the first base 100 may also be provided with the protrusion 210, and the second base 200 may be provided with the sliding slot 110. And is not particularly limited herein.
The first base 100 is provided with a mounting groove (not shown) for receiving the curtain 300. Specifically, since the curtain 300 is hinged to the first base 100, when the curtain 300 needs to be used, the curtain 300 is screwed out from the installation groove. After the use, the curtain 300 is screwed into the mounting groove.
More, the end of the curtain 300 hinged to the first base 100 is semi-cylindrical.
Referring to fig. 3, one end of the first base 100 is provided with a first clamping portion 120, and the first clamping portion 120 is used for clamping a predetermined object to fix the first base 100. Specifically, the first base 100 can be fixed to a predetermined object through the first clamping portion 120, so that the projection screen 1000 can be stably placed, the use of the projection screen 1000 is not limited by environmental factors, and the use is more convenient.
In this embodiment, the preset object may be a luggage pull rod. In other embodiments, the predetermined object may be a table top or an armrest of a chair, or the like. And is not particularly limited herein.
Taking a preset object as a luggage case pull rod as an example, the first base 100 and the second base 200 are clamped onto the pull rod of the luggage case through the first clamping portion 120 and the second clamping portion 220, the second support rod 303 is rotated around an end point hinged with the first base 100, so that the second support rod 303 drives the curtain body 302 to be unscrewed from the installation groove of the first base 100, and then the curtain body 302 is rotated according to a proper projection position, after the second support rod 303 is rotated to the preset projection position, the curtain body 302 is unfolded, the first support rod 301 is connected with the connecting rod 400 of the second base 200, and thus the projection screen is unfolded. The rotation between the second support bar 303 and the first base 100 can enable the curtain 300 to adapt to different projection scenarios.
It should be noted that the first clamping portion 120 includes a first fastening member 121, a first connecting portion 122 and a second connecting portion 123, the first connecting portion 122 and the second connecting portion 123 are both connected to one end of the first base 100, the first connecting portion 122 and the second connecting portion 123 are arranged at intervals along the width direction of the first base 100, the first fastening member 121 is in threaded connection with the first connecting portion 122, and the first fastening member 121 is configured to rotate relative to the first connecting portion 122 to be close to or far away from the second connecting portion 123. Specifically, the first connecting portion 122 and the second connecting portion 123 are disposed in parallel, and the first fastener 121 and the second connecting portion 123 are used for clamping a preset object to fix the first base 100.
It is understood that the projection screen 1000 further includes a first plate 500, the first fastening member 121 includes a head and a rod, one end of the rod is connected to the head, the other end of the rod is connected to the first plate 500, the first plate 500 is disposed in parallel with the first connecting portion 122 and the second connecting portion 123, and the first fastening member 121 is configured to drive the first plate 500 to approach or move away from the second connecting portion 123 thereof, so as to adjust the clamping thickness. Specifically, the first plate 500 and the second connecting portion 123 are used to clamp a predetermined object to fix the first base 100.
Referring to fig. 4, one end of the second base 200 is provided with a second clamping portion 220, and the second clamping portion 220 is used for clamping a predetermined object to fix the second base 200.
Specifically, the second base 200 can be fixed to a predetermined object through the second clamping portion 220, so that the projection screen 1000 can be stably placed, the use of the projection screen 1000 is not limited by environmental factors, and the use is more convenient.
The second clamping portion 220 includes a second fastening member 221, a third connecting portion 222 and a fourth connecting portion 223, the third connecting portion 222 and the fourth connecting portion 223 are connected to one end of the second base 200, and
the third connection portion 222 and the fourth connection portion 223 are spaced apart from each other in the width direction of the second base 200, the second fastening member 221 is screwed to the third connection portion 222, and the second fastening member 221 is configured to rotate relative to the third connection portion 222 to approach or separate from the fourth connection portion 223. Specifically, the third connection portion 222 and the fourth connection portion 223 are disposed in parallel, and the second fastener 221 and the fourth connection portion 223 are used to clamp a predetermined object to fix the second base 200.
It is understood that the projection screen 1000 further includes a second plate 600, the second fastening member 221 includes a head and a shaft, one end of the shaft is connected to the head, the other end of the shaft is connected to the second plate 600, the second plate 600 is disposed in parallel with the third connecting portion 222 and the fourth connecting portion 223, and the second fastening member 221 is configured to drive the second plate 600 to approach or depart from the fourth connecting portion 223 to adjust the clamping thickness.
Specifically, the second flat plate 600 and the fourth connecting portion 223 are used to clamp a predetermined object to fix the second base 200.
In the present embodiment, the first fastening member 121 and the second fastening member 221 are both screws.
The projection screen 1000 provided by the embodiment has at least the following advantages:
one end of the first base 100 is provided with a first clamping portion 120, and the first clamping portion 120 is used for clamping a predetermined object to fix the first base 100. One end of the second base 200 is provided with a second clamping portion 220, and the second clamping portion 220 is used for clamping a predetermined object to fix the second base 200. Specifically, the first base 100 can be fixed to a predetermined object through the first clamping portion 120, and the second base 200 can be fixed to the predetermined object through the second clamping portion 220, so that the projection screen 1000 can be stably placed, the use of the projection screen 1000 is not limited by environmental factors, and the use is more convenient.
The first clamping portion 120 and the second clamping portion 220 can flexibly fix the first base 100 and the second base 200 to a predetermined position, so that the projection screen 1000 can adapt to different environments, and is more convenient to use.
In summary, the embodiment of the present invention provides a projection screen 1000 and a projector, the projection screen 1000 includes a first base 100, a second base 200, and a curtain 300, the first base 100 is slidably connected to the second base 200, so that the first base 100 and the second base 200 are close to or away from each other, and the first base 100 and the second base 200 are detachable, when the projection screen 1000 is used, the first base 100 is connected to the second base 200, and the distance between the first base 100 and the second base 200 is adjusted by relative sliding, after the use, the first base 100 and the second base 200 are detached and placed, so that the overall volume of the projection screen 1000 is reduced, and the use and carrying are more convenient, the curtain 300 is hinged to the first base 100 to open or retract the curtain 300, and the curtain 300 is detachably connected to the second base 200. When the projection screen 1000 is used, the first base 100 and the second base 200 are connected together, the curtain 300 hinged with the first base 100 is opened through rotation, and the curtain 300 is connected with the second base 200 to expand the curtain 300, because the curtain 300 is simultaneously connected with the first base 100 and the second base 200, the distance between the first base 100 and the second base 200 is adjusted, thereby achieving the purpose of adjusting the expansion area of the curtain 300, and the use is more convenient.
The projector comprises a projection screen 1000, when the projection screen 1000 is used, the first base 100 and the second base 200 are connected, the distance between the first base 100 and the second base 200 is adjusted through relative sliding, after the use is finished, the first base 100 and the second base 200 are disassembled and placed, the whole volume of the projection screen 1000 is reduced, the use and the carrying are more convenient, when the projection screen 1000 is used, the first base 100 and the second base 200 are connected together, a curtain 300 hinged with the first base 100 is opened through rotation, the curtain 300 is connected with the second base 200 together, the curtain 300 is unfolded, the curtain 300 is connected with the first base 100 and the second base 200 simultaneously, the distance between the first base 100 and the second base 200 is adjusted, the purpose of adjusting the unfolding area of the curtain 300 is achieved, and the use is more convenient.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A projection screen, comprising:
a first chassis (100);
a second base (200), the first base (100) and the second base (200) being slidably connected such that the first base (100) and the second base (200) approach or separate from each other, and the first base (100) and the second base (200) being detachable;
a curtain (300), the curtain (300) being hinged with the first base (100) to open or retract the curtain (300), and the curtain (300) being detachably connected with the second base (200).
2. Projection screen according to claim 1, wherein the first base (100) is provided with a sliding slot (110) and the second base (200) is provided with a projection (210), the projection (210) being slidably engaged with the sliding slot (110).
3. The projection screen of claim 1, wherein one end of the first base (100) is provided with a first clamping portion (120), and the first clamping portion (120) is used for clamping a predetermined object to fix the first base (100).
4. The projection screen of claim 3, wherein the first clamping portion (120) comprises a first fastening member (121), a first connecting portion (122) and a second connecting portion (123), the first connecting portion (122) and the second connecting portion (123) are connected to one end of the first base (100), the first connecting portion (122) and the second connecting portion (123) are spaced apart along a width direction of the first base (100), the first fastening member (121) is threadedly connected to the first connecting portion (122), and the first fastening member (121) is configured to rotate relative to the first connecting portion (122) to approach or separate from the second connecting portion (123).
5. The projection screen of claim 1, wherein one end of the second base (200) is provided with a second clamping portion (220), the second clamping portion (220) being used for clamping a predetermined object to fix the second base (200).
6. The projection screen of claim 5, wherein the second clamping portion (220) comprises a second fastening member (221), a third connecting portion (222) and a fourth connecting portion (223), the third connecting portion (222) and the fourth connecting portion (223) are connected to one end of the second base (200), the third connecting portion (222) and the fourth connecting portion (223) are spaced apart from each other along the width direction of the second base (200), the second fastening member (221) is in threaded connection with the third connecting portion (222), and the second fastening member (221) is configured to rotate relative to the third connecting portion (222) to approach or separate from the fourth connecting portion (223).
7. The projection screen of any of claims 1-6, wherein the curtain (300) comprises a curtain body (302), a first support rod (301), and a second support rod (303), wherein the first support rod (301) is connected to one end of the curtain body (302), the first support rod (301) is detachably connected to the second base (200), the second support rod (303) is telescopically connected to the curtain body (302), and the second support rod (303) is hinged to the first base (100).
8. The projection screen of claim 7, wherein the projection screen (1000) further comprises a connecting rod (400), the connecting rod (400) being hinged to one end of the second base (200), the connecting rod (400) being detachably connected to the first support rod (301).
9. Projection screen according to claim 7, characterized in that the first base (100) is provided with a mounting slot for receiving the curtain (300).
10. A projector, characterized in that it comprises a projection screen (1000) according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836593.3U CN216622948U (en) | 2021-11-18 | 2021-11-18 | Projection screen and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836593.3U CN216622948U (en) | 2021-11-18 | 2021-11-18 | Projection screen and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216622948U true CN216622948U (en) | 2022-05-27 |
Family
ID=81697604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122836593.3U Active CN216622948U (en) | 2021-11-18 | 2021-11-18 | Projection screen and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216622948U (en) |
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2021
- 2021-11-18 CN CN202122836593.3U patent/CN216622948U/en active Active
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