Projection screen

Abstract

The utility model provides a projection screen, which belongs to the technical field of screens and comprises a screen (10) and a base (20), the screen (10) comprises a first rounded rectangular frame (101), a curtain frame (102) and a curtain (103), the base (20) comprises a second rounded rectangular frame (201) and a base cloth piece (202), the second rounded rectangular frame (201) is sewn in the outer edge of the base cloth piece (202), and the curtain frame (102) is sewn in the outer edge of the base cloth piece (202). The base cloth piece (202) is in the shape of a rounded rectangular sheet, the opposite edges of the screen (10) and the base (20) are respectively sewn with hook-and-loop fasteners which are mutually adhered, the opposite edges of the screen (10) and the base (20) are detachably connected through the hook-and-loop fasteners, and the screen is simple in structure, convenient and fast to mount or dismount, small in size after being dismounted, folded and stored, and convenient to transport and carry.

Description

Technical Field

[0001] This utility model relates to the field of screen technology, specifically to a projection screen. Background Technology

[0002] With the development of video tools, projectors and projection screens are being used more and more widely in people's daily lives, and they are gradually replacing televisions. Currently, projection screens are usually divided into two types: hanging and floor-standing. At present, floor-standing projection screens are all installed by mounting the screen on a screen frame, which is then mounted on a stand. The screen frame and stand are transported separately and then reassembled when used at the user's home or while camping in the wild. Once assembled, they are usually not disassembled, or after disassembly, there are many scattered parts, and the size is large, making it inconvenient to move and carry. Utility Model Content

[0003] The purpose of this invention is to provide a projection screen to solve the above-mentioned technical problems.

[0004] This utility model provides a projection screen, including a screen 10 and a base 20. The screen 10 includes a first rounded rectangular frame 101, a screen frame 102, and a screen 103. The first rounded rectangular frame 101 is sewn into the inner edge of the screen frame 102. The outer edge of the screen frame 102 is a rounded rectangle, and the inner edge of the screen frame 102 is a rectangle. The screen 103 is rectangular, and the four sides of the screen 103 are sewn to the inner edge of the screen frame 102.

[0005] The base 20 includes a second rounded rectangular frame 201 and a base fabric piece 202. The second rounded rectangular frame 201 is sewn into the inner outer edge of the base fabric piece 202. The base fabric piece 202 is in the shape of a rounded rectangular sheet.

[0006] The screen 10 and the base 20 are respectively sewn with Velcro that is mutually adhesive on their opposite sides, and the screen 10 and the base 20 are detachably connected by the Velcro.

[0007] A set of fiber rods 30 and webbing 40 are provided on each of the left and right sides of the screen 10 and the base 20. The fiber rods 30 include a first segment 301, a second segment 302, a third segment 303, a first elastic band 304, a second elastic band 305, a first sleeve 306, a second sleeve 307, a first support head 308, and a second support head 309. The first support head 308 is fixedly installed at one end of the first segment 301, and the other end of the first segment 301 is fixedly fitted at half of the first sleeve 306. The first elastic band 304 is provided through the first sleeve 306, and the two ends of the first elastic band 304 are fixedly connected to the center of the opposite connecting ends of the first segment 301 and the second segment 302, respectively.

[0008] Half of the second sleeve 307 is fixedly fitted onto the end of the second segment 302 away from the first elastic band 304. The second elastic band 305 is provided through the second sleeve 307. The two ends of the second elastic band 305 are fixedly connected to the center of the opposite connection end of the second segment 302 and the third segment 303, respectively. The second support head 309 is fixedly installed at the end of the third segment 303 away from the second elastic band 305.

[0009] The webbing 40 includes a first webbing segment 401 and a second webbing segment 402. One end of the first webbing segment 401 is fixedly connected to the screen frame 102, and the other end of the first webbing segment 401 is fixedly connected to a female buckle 501. One end of the second webbing segment 402 is fixedly connected to the side of the base 20 away from the screen 10, and the other end of the second webbing segment 402 is fixedly connected to a male buckle 502. A first eyelet 60 is provided at the end of the first webbing segment 401 that is fixedly connected to the screen frame 102, and a second eyelet 70 is provided at the end of the second webbing segment 402 that is fixedly connected to the base 20. The first eyelet 60 is used to fix the first support head 308, and the second eyelet 70 is used to fix the second support head 309. The first eyelet 60 and the second eyelet 70 are detachably connected to the first support head 308 and the second support head 309, respectively.

[0010] Furthermore, the diameters of the connecting ends of the first support head 308 and the second support head 309 to the fiber rod 30 are both larger than the diameters of the holes of the first eyelet buckle 60 and the second eyelet buckle 70, and the diameters of the other ends of the first support head 308 and the second support head 309 are both smaller than the diameters of the holes of the first eyelet buckle 60 and the second eyelet buckle 70.

[0011] Compared with the prior art, the beneficial effects of this utility model include:

[0012] 1. This utility model has a simple structure and is easy and quick to install or disassemble.

[0013] 2. When the screen and base need to be stored after use, separate the screen and base, and twist the rounded rectangular frame of the screen or base diagonally into an "8" shape and fold it up and down to make it into a round disc shape. This completes the folding and storage of the screen and base, making the screen and base smaller and easier to carry. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the screen structure of an embodiment of the present utility model;

[0015] Figure 2 This is a schematic diagram of the base structure of an embodiment of the present utility model;

[0016] Figure 3 This is a schematic diagram of the front three-dimensional structure of an embodiment of the present utility model;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the back side of an embodiment of the present utility model;

[0018] Figure 5 This is a schematic diagram of the fiber rod folding according to an embodiment of the present invention;

[0019] Figure 6 This is a schematic diagram of the unfolded fiber rod according to an embodiment of the present invention;

[0020] Figure 7 This is a schematic diagram of the fiber rod assembly according to an embodiment of the present invention;

[0021] Figure 8 This is a schematic diagram of the webbing structure according to an embodiment of the present utility model;

[0022] Figure 9 This is a schematic diagram of screen folding according to an embodiment of the present utility model;

[0023] Figure 10 This is a schematic diagram of the folding base of an embodiment of the present utility model.

[0024] Reference numerals: 10-Screen, 101-First rounded rectangular frame, 102-Screen border, 103-Screen, 20-Base, 201-Second rounded rectangular frame, 202-Base fabric piece, 30-Fiber rod, 301-First segment, 302-Second segment, 303-Third segment, 304-First elastic band, 305-Second elastic band, 306-First sleeve, 307-Second sleeve, 308-First support head, 309-Second support head, 40-Webbing, 401-First webbing segment, 402-Second webbing segment, 50-Snap fastener, Snap fastener female head 501, Snap fastener male head 502, 60-First eyelet buckle, 70-Second eyelet buckle. Detailed Implementation

[0025] The present invention will now be described in detail with reference to the embodiments shown in the accompanying drawings. However, it should be noted that these embodiments are not intended to limit the present invention. Equivalent transformations or substitutions in function, method, or structure made by those skilled in the art based on these embodiments are all within the protection scope of the present invention.

[0026] like Figure 1-10 As shown, this utility model provides a projection screen, including a screen 10, a first rounded rectangular frame 101, a screen frame 102, a screen 103, a base 20, a second rounded rectangular frame 201, a base fabric piece 202, a fiber rod 30, a first segment 301, a second segment 302, a third segment 303, a first elastic band 304, a second elastic band 305, a first sleeve 306, a second sleeve 307, a first support head 308, a second support head 309, a webbing 40, a first webbing segment 401, a second webbing segment 402, a buckle 50, a female buckle head 501, a male buckle head 502, a first eyelet buckle 60, and a second eyelet buckle 70.

[0027] The screen 10 includes a first rounded rectangular frame 101, a screen frame 102, and a screen 103. The opposite sides of the screen 10 and the base 20 are respectively sewn with Velcro (not shown in the figure). The opposite sides of the screen 10 and the base 20 are detachably connected by the Velcro (not shown in the figure). The first rounded rectangular frame 101 is sewn into the inner edge of the screen frame 102. The outer edge of the screen frame 102 is a rounded rectangle, and the inner edge of the screen frame 102 is a rectangle. The screen 103 is a rectangle, and the four sides of the screen 103 are sewn to the inner edge of the screen frame 102.

[0028] Specifically, in this embodiment, the first rounded rectangular frame 101 is used to support the screen frame 102, thereby flattening the screen 103; the screen 103 is 210D silver-coated fabric (other screen fabrics can also be used, and the material of the screen fabric is not specifically limited here, as long as it meets the usage requirements), and the screen frame 102 is 210D polyester fabric (other fabrics can also be used, and the material of the screen frame is not specifically limited here, as long as it meets the usage requirements).

[0029] The base 20 includes a second rounded rectangular frame 201 and a base fabric piece 202. The second rounded rectangular frame 201 is sewn into the inner outer edge of the base fabric piece 202. The base fabric piece 202 is in the shape of a rounded rectangular sheet. The base fabric piece 202 is made of coarse mesh fabric (other fabrics can also be used. The material of the base fabric piece is not specifically limited here, as long as it meets the usage requirements).

[0030] Both the first rounded rectangular frame 101 and the second rounded rectangular frame 201 are made of flat iron, and both the first rounded rectangular frame 101 and the second rounded rectangular frame 201 are elastic and easy to fold.

[0031] The fiber rod 30 includes a first segment 301, a second segment 302, a third segment 303, a first elastic band 304, a second elastic band 305, a first sleeve 306, a second sleeve 307, a first support head 308, and a second support head 309. One end of the first segment 301 is fixedly installed with the first support head 308, and the other end of the first segment 301 is fixedly fitted into half of the first sleeve 306. The first elastic band 304 is provided through the first sleeve 306, and the two ends of the first elastic band 304 are fixedly connected to the center of the opposite connection ends of the first segment 301 and the second segment 302, respectively. The first elastic band 304 is used to elastically contract when the first segment 301 and the second segment 302 are connected, so as to tighten and fix the opposite connection ends of the first segment 301 and the second segment 302 in the first sleeve 306.

[0032] The second sleeve 307 is fixedly fitted at one half of the end of the second segment 302 away from the first elastic band 304. The second elastic band 305 is provided through the second sleeve 307. The two ends of the second elastic band 305 are fixedly connected to the center of the opposite connection end of the second segment 302 and the third segment 303, respectively. The second support head 309 is fixedly installed at the end of the third segment 303 away from the second elastic band 305. The second elastic band 305 is used to elastically contract when the second segment 302 and the third segment 303 are connected, so as to tighten and fix the opposite connection end of the second segment 302 and the third segment 303 in the second sleeve 307. The first elastic band 304 and the second elastic band 305 can also be used to ensure that there are still connecting objects between the segments when the fiber rod 30 is disassembled and folded, so as to facilitate quick assembly of the fiber rod 30 during use.

[0033] The webbing 40 includes a first webbing segment 401 and a second webbing segment 402. One end of the first webbing segment 401 is fixedly connected to the screen frame 102 (not shown in the figure), and the other end of the first webbing segment 401 is fixedly connected to a female buckle 501. One end of the second webbing segment 402 is fixedly connected to the side of the base 20 away from the screen 10 (not shown in the figure), and the other end of the second webbing segment 402 is fixedly connected to a male buckle 502. A first eyelet 60 is provided at the end of the first webbing segment 401 that is fixedly connected to the screen frame 102, and a second eyelet 70 is provided at the end of the second webbing segment 402 that is fixedly connected to the base 20. The first eyelet 60 is used to fix the first support head 308, and the second eyelet 70 is used to fix the second support head 309. The first eyelet 60 and the second eyelet 70 are detachably connected to the first support head 308 and the second support head 309, respectively.

[0034] Specifically, in this embodiment, one end of the first webbing segment 401 is fixedly connected to the screen frame 102 (not shown in the figure), and the connection method is that one end of the first webbing segment 401 is sewn onto the screen frame 102 (not shown in the figure); one end of the second webbing segment 402 is fixedly connected to the side of the base 20 away from the screen 10 (not shown in the figure), and the connection method is that one end of the second webbing segment 402 is sewn onto the side of the base 20 away from the screen 10 (not shown in the figure); the diameters of the connecting ends of the first support head 308 and the second support head 309 to the fiber rod 30 are both larger than the diameters of the holes of the first eyelet buckle 60 and the second eyelet buckle 70, and the diameters of the other ends of the first support head 308 and the second support head 309 are both smaller than the diameters of the holes of the first eyelet buckle 60 and the second eyelet buckle 70, so as to fix the first support head 308 and the second support head 309 in the holes of the first eyelet buckle 60 and the second eyelet buckle 70.

[0035] The female plug 501 and the male plug 502 are adapted to connect or separate the first webbing segment 401 and the second webbing segment 402. When the buckle 50 is fastened, the first webbing segment 401 and the second webbing segment 402 form a tension that cooperates with the tension when the fiber rod 30 is supported to fix the screen 10 and the base 20 between the fiber rod 30.

[0036] The fiber rods 30 and the webbing 40 are in two groups. Each group of fiber rods 30 includes a first segment 301, a second segment 302, a third segment 303, a first elastic band 304, a second elastic band 305, a first sleeve 306, a second sleeve 307, a first support head 308, and a second support head 309. Each group of webbing 40 includes a first webbing segment 401 and a second webbing segment 402.

[0037] The installation and removal methods for this projection screen are as follows:

[0038] When the screen needs to be used, the screen 10 and the base 20 are unfolded (e.g., Figures 1 to 2 As shown), the screen 10 and the base 20 are connected to each other on opposite sides using the Velcro (not shown in the figure), and the two sets of fiber rods 30 are assembled respectively (as shown in the figure). Figure 7 As shown, the fiber rods are placed on the left and right sides of the screen 10 and the base 20. One set of fiber rods 30 is taken, and the first support head 308 and the second support head 309 on the fiber rod 30 are respectively inserted into the holes of the first eyelet buckle 60 and the second eyelet buckle 70. The female buckle head 501 on the first webbing section 401 and the male buckle head 502 on the second webbing section 402 are fastened to tighten the webbing 40, thereby fixing the first support head 308 and the second support head 309 in the holes of the first eyelet buckle 60 and the second eyelet buckle 70. The other set of fiber rods 30 is installed using the above steps. At this point, both sets of fiber rods 30 are firmly fixed between the screen 10 and the base 20, making the screen 10 perpendicular to the base 20, thus completing the installation of the projection screen of this utility model (as shown). Figure 4 (As shown).

[0039] When this utility model needs to be transported or carried, the buckles 50 on the two sets of webbing 40 are opened respectively, that is, the female buckle head 501 and the male buckle head 502 are separated. The first support head 308 and the second support head 309 are taken out from the holes of the first eyelet buckle 60 and the second eyelet buckle 70 respectively. The two sets of fiber rods 30 are removed respectively. The second segment 302 and the third segment 303 are pulled out from the first sleeve 306 and the second sleeve 307 respectively and folded (e.g.) Figure 5 As shown), the two sets of fiber rods 30 are folded and stored, and the Velcro fasteners (not shown in the figure) that connect the screen 10 and the base 20 on opposite sides are separated, thereby separating the screen 10 from the base 20. The rounded rectangular frame of the screen 10 or the base 20 is twisted diagonally into an "8" shape and folded in half vertically to form a round disc shape (as shown in the figure). Figure 9-10 As shown in the figure, the screen 10, the base 20 and the fiber rod 30 are folded and stored to make them smaller and easier to transport and carry.

[0040] The projection screen has a simple structure and is easy and quick to install or disassemble. After disassembly, the screen 10, base 20 and fiber rod 30 can be folded and stored to reduce their size, which greatly facilitates installation, transportation and carrying.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A projection screen comprising a screen (10) and a base (20), characterized in that, The screen (10) comprises a first round-cornered rectangular frame (101), a curtain frame (102) and a curtain (103), the first round-cornered rectangular frame (101) is sewn in the outer edge of the curtain frame (102), the outer edge of the curtain frame (102) is round-cornered rectangular, the inner edge of the curtain frame (102) is rectangular, the curtain (103) is rectangular, and the four edges of the curtain (103) are connected with the inner edge of the curtain frame (102) by sewing; The base (20) comprises a second round-cornered rectangular frame (201) and a base cloth (202), the second round-cornered rectangular frame (201) is sewn in the outer edge of the base cloth (202), and the base cloth (202) is round-cornered rectangular; Opposite edges of the screen (10) and the base (20) are respectively sewn with magic tapes which are pasted to each other, and the opposite edges of the screen (10) and the base (20) are detachably connected through the magic tapes; A group of fiber rods (30) and braid (40) are arranged on the left and right sides of the screen (10) and the base (20), the fiber rod (30) comprises a first segment (301), a second segment (302), a third segment (303), a first rubber band (304), a second rubber band (305), a first sleeve (306), a second sleeve (307), a first support head (308) and a second support head (309), one end of the first segment (301) is fixedly installed with the first support head (308), the other end of the first segment (301) is fixedly sleeved at one-half of the first sleeve (306), the first rubber band (304) is arranged through the first sleeve (306), and two ends of the first rubber band (304) are fixedly connected with the center of opposite connecting ends of the first segment (301) and the second segment (302) respectively; One-half of the second sleeve (307) is fixedly sleeved at one end of the second segment (302) away from the first rubber band (304), the second rubber band (305) is arranged through the second sleeve (307), and two ends of the second rubber band (305) are fixedly connected with the center of opposite connecting ends of the second segment (302) and the third segment (303) respectively, and one end of the third segment (303) away from the second rubber band (305) is fixedly installed with the second support head (309); The fabric belt (40) comprises a first fabric belt section (401) and a second fabric belt section (402), one end of the first fabric belt section (401) is fixedly connected with the curtain frame (102), the other end of the first fabric belt section (401) is fixedly connected with a female snap fastener (501), one end of the second fabric belt section (402) is fixedly connected with the base (20) away from one side of the screen (10), the other end of the second fabric belt section (402) is fixedly connected with a male snap fastener (502), the first fabric belt section (401) is provided with a first grommet (60) at the end fixedly connected with the curtain frame (102), the second fabric belt section (402) is provided with a second grommet (70) at the end fixedly connected with the base (20), the first grommet (60) is used for fixing the first support head (308), the second grommet (70) is used for fixing the second support head (309), the first grommet (60) and the second grommet (70) are respectively detachably connected with the first support head (308) and the second support head (309).

2. The projection screen of claim 1, wherein, The diameters of the connecting ends of the first support head (308) and the second support head (309) with the fiber rod (30) are greater than the diameters of the holes of the first grommet (60) and the second grommet (70), and the diameters of the other ends of the first support head (308) and the second support head (309) are less than the diameters of the holes of the first grommet (60) and the second grommet (70).

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