CN212433574U

CN212433574U - Aerify projection screen convenient to drainage

Info

Publication number: CN212433574U
Application number: CN202021365751.0U
Authority: CN
Inventors: 何焕明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-01-29
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to a projection screen technical field especially relates to an aerify projection screen convenient to drainage, including the curtain, aerify the frame, aerify base and slope setting and both ends support the support column of aerifing between frame and base respectively, the curtain is fixed on aerifing the frame, it has the annular groove to aerify integrated into one piece on the frame, and the annular groove encircles in the outer fringe of aerifing the frame. The utility model relates to an aerify projection screen convenient to drainage can be convenient for aerify projection screen drainage under the environment of rain, avoids the rainwater to form the rain curtain and influence normal projection in projection screen's curtain the place ahead, ensures projection screen's normal projection.

Description

Aerify projection screen convenient to drainage

Technical Field

The utility model relates to a projection screen technical field especially relates to an aerify projection screen convenient to drainage.

Background

The projector device such as a slide projector, an overhead projector, or a liquid crystal projector projects an image on a projection screen, and displays the image in an enlarged manner, thereby being useful for presentation, publicity, and teaching. Currently, the known projection screen is mainly to fix the screen on a hard structural frame such as metal, suspend the screen on a hard beam, or attach the screen on a flat structure (such as a building surface), so that the screen is flatly unfolded for projecting images, and the volume and the mass of the screen are generally large, however, in order to make the projection screen suitable for outdoor use, some inflatable projection screens have been developed in the prior art, for example, an inflatable projection screen disclosed in patent application No. CN200820118661.4, which can be quickly put into use by being inflated outdoors, and is very convenient.

However, in practical applications, due to the fact that outdoor weather conditions are changed frequently, particularly in rainy days, rain water can form a rain curtain in front of the screen when falling down to the projection screen, and the rain curtain can shield projection light and affect normal use of the projection screen.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses an aerify projection screen convenient to drainage can be convenient for aerify projection screen drainage under the environment of rainy, avoids the rainwater to form the rain curtain in projection screen's curtain the place ahead and influences normal projection, ensures projection screen's normal projection.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides an aerify projection screen convenient to drainage, includes the curtain, aerifys the frame, aerifys base and slope setting and both ends support the support column of aerifing between frame and base respectively, the curtain is fixed on aerifing the frame, it has the annular groove to aerify the last integrated into one piece of frame, and the annular groove encircles in the outer fringe of aerifing the frame.

When the rainwater falls to the top of the inflatable frame, the rainwater can be collected in the annular groove, the rainwater can flow out of the inflatable frame along the annular groove to two sides, and the phenomenon that a large amount of rainwater continuously flows down to the front side of the inflatable frame to form a large-area rain curtain is avoided, so that the phenomenon that the rainwater forms the rain curtain in front of the curtain of the projection screen to influence normal projection can be avoided, and normal projection of the projection screen is ensured.

Therefore the utility model relates to an aerify projection screen convenient to drainage can be convenient for aerify projection screen drainage under the environment of rainy, avoids the rainwater to form the rain curtain and influence normal projection in projection screen's curtain the place ahead, ensures projection screen's normal projection.

Furthermore, the upper side of the annular groove is provided with a transverse groove, the middle position of the transverse groove is higher, and the two ends of the transverse groove are lower, so that two symmetrical inclined planes are formed, rainwater can be discharged along the inclined planes, and the drainage effect can be improved.

Further, the base includes that one aerifys horizontal pole and two and aerifys the montant, aerifys the horizontal pole both ends and inhale the lateral wall of connecting at two inflation montants through magnet group magnetism respectively, two front ends of aerifing the montant inhale the connection in the rear side bottom of aerifing the frame through magnet group magnetism respectively, the upper and lower both ends of aerifing the support column are inhaled the connection at the rear side top of aerifing the frame and are aerifyd the lateral wall of horizontal pole through magnet group magnetism respectively. When projection screen need be when outdoor construction, can aerify the frame, aerify the horizontal pole, aerify the montant and aerify the support column respectively, then utilize each magnet group to assemble fast and build, can be in very short time quick and convenient build the shaping to projection screen, it is very convenient to use, because each part is inhaled through magnet group magnetism and is connected, therefore can realize dismantling fast.

Further, the inboard of inflating the frame is provided with the magic subsides, the curtain is pasted through the magic and is fixed on inflating the frame. Therefore, the curtain can be quickly installed and fixed through the magic tape.

Furthermore, the side walls of the two inflatable vertical rods are respectively provided with a plurality of pressing sheets extending outwards. When the projection screen is in a strong wind outdoor environment, the projection screen can be fixed by pressing outdoor stones and other heavy objects on the pressing sheets, and the influence of wind power is avoided.

Furthermore, the inflation frame, the inflation cross bar, the inflation vertical bar and the inflation support column are respectively provided with an inflation valve.

The utility model has the advantages that:

when the rainwater falls to the top of the inflatable frame, the rainwater can be collected in the annular groove, the rainwater can flow out of the inflatable frame along the annular groove to two sides, and the phenomenon that a large amount of rainwater continuously flows down to the front side of the inflatable frame to form a large-area rain curtain is avoided, so that the phenomenon that the rainwater forms the rain curtain in front of the curtain of the projection screen to influence normal projection can be avoided, and normal projection of the projection screen is ensured. Therefore the utility model relates to an aerify projection screen convenient to drainage can be convenient for aerify projection screen drainage under the environment of rainy, avoids the rainwater to form the rain curtain and influence normal projection in projection screen's curtain the place ahead, ensures projection screen's normal projection.

Drawings

FIG. 1 is a perspective view of the present invention

Fig. 2 is a side view of the middle inflatable frame 2 of the present invention.

Fig. 3 is a schematic outline view of the annular groove 6 of the present invention.

Fig. 4 is a top view of the present invention.

Fig. 5 is a side view of the present invention.

Fig. 6 is a front view of the present invention.

Fig. 7 is a schematic view of a supplementary structure of the present invention.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Furthermore, if terms such as "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, it will be apparent to those of ordinary skill in the art that the specific meanings of the above terms may be understood according to particular circumstances.

As shown in fig. 1-2, an inflatable projection screen convenient for water drainage comprises a curtain 1, an inflatable frame 2, an inflatable base 3 and an inflatable support column 4 which is obliquely arranged and two ends of which are respectively supported between the frame 2 and the base 3, wherein the curtain 1 is fixed on the inflatable frame 2, an annular groove 6 is integrally formed on the inflatable frame 2, and the annular groove 6 surrounds the outer edge of the inflatable frame 2.

When the rainwater falls down to the top of inflating frame 2, the rainwater can collect in annular groove 6, the rainwater can flow out along annular groove 6 to the left and right sides and inflate frame 2, has avoided a large amount of rainwater to directly flow down to the front side of inflating frame 2 continuously and form the rain curtain of large tracts of land in the place ahead of curtain 1 to can avoid the rainwater to form the rain curtain in curtain 1 the place ahead of projection screen and influence normal projection, ensure the normal projection of projection screen. Therefore the utility model relates to an aerify projection screen convenient to drainage can be convenient for aerify projection screen drainage under the environment of rainy, avoids the rainwater to form the rain curtain and influence normal projection in projection screen's curtain the place ahead, ensures projection screen's normal projection.

As a further supplement and improvement to the present embodiment, as shown in fig. 1 and 3, a transverse groove 61 is provided on the upper side of the annular groove 6, the middle of the transverse groove 61 is higher, and the two ends of the transverse groove are lower, so as to form two symmetrical inclined surfaces 610, and rainwater can be discharged along the inclined surfaces 610, thereby improving the drainage effect.

As a further supplement and improvement to the present embodiment, as shown in fig. 1, 4, and 5, the base 3 includes an inflatable cross bar 31 and two inflatable vertical bars 32, two ends of the inflatable cross bar 31 are respectively magnetically attracted to the side walls of the two inflatable vertical bars 32 through the magnet groups 5, front ends of the two inflatable vertical bars 32 are respectively magnetically attracted to the bottom of the rear side of the inflatable frame 2 through the magnet groups 5, upper and lower ends of the inflatable support column 4 are respectively magnetically attracted to the top of the rear side of the inflatable frame 2 and the side wall of the inflatable cross bar 31 through the magnet groups 5, and each magnet group 5 is respectively two magnets with positive and negative poles attracting each other and is respectively fixed to each inflatable body. The inflation frame 2, the inflation cross bar 31, the inflation vertical bar 32 and the inflation support post 4 are respectively provided with an inflation valve (not shown in the figure).

Projection screen need be when the open air is built, can aerify frame 2, aerify horizontal pole 31, aerify montant 32 and aerify support column 4 through each inflation valve respectively, then utilize each magnet group 5 to assemble fast and build, can be in very short time quick and convenient build the shaping to projection screen, it is very convenient to use, because each part is connected through 5 magnetism of magnet group, therefore can realize quick dismantlement.

As a further supplement and improvement to the present embodiment, as shown in fig. 6, the inside of the inflating frame 2 is provided with the hook and loop fastener 21, and the curtain 1 is fixed on the inflating frame 2 by the hook and loop fastener 21, so that the curtain 1 can be quickly installed and fixed by the hook and loop fastener 21.

As a further supplement and improvement to this embodiment, as shown in fig. 7, the side walls of the two inflatable vertical bars 32 are respectively connected with a plurality of pressing sheets 33 extending outwards, and when the projection screen is in a windy outdoor environment, the projection screen can be fixed by pressing a heavy object such as an outdoor stone on each pressing sheet 33, so as to avoid being influenced by wind.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. It will be apparent to those skilled in the art that other variations or modifications can be made based on the above description, such as a simple change in the position of the cutting punch, a change in the shape and size of the fixed and movable working portions, and the like. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides an aerify projection screen convenient to drainage, includes curtain (1), aerifys frame (2), aerifys base (3) and slope setting and both ends support respectively aerify support column (4) between frame (2) and base (3), curtain (1) is fixed on aerifing frame (2), its characterized in that, it has annular groove (6) to aerify integrated into one piece on frame (2), and annular groove (6) encircle the outer fringe at aerifing frame (2).

2. An inflatable projection screen for facilitating drainage as claimed in claim 1, wherein the annular groove (6) is provided at an upper side thereof with a transverse groove (61), and the transverse groove (61) is formed at a middle position thereof higher and both ends thereof lower to form two inclined surfaces (610) symmetrical to each other.

3. The inflatable projection screen convenient to drain as claimed in claim 2, wherein the base (3) comprises an inflatable cross bar (31) and two inflatable vertical bars (32), two ends of the inflatable cross bar (31) are respectively magnetically attracted to the side walls of the two inflatable vertical bars (32) through the magnet groups (5), the front ends of the two inflatable vertical bars (32) are respectively magnetically attracted to the bottom of the rear side of the inflatable frame (2) through the magnet groups (5), and the upper and lower ends of the inflatable support column (4) are respectively magnetically attracted to the top of the rear side of the inflatable frame (2) and the side walls of the inflatable cross bar (31) through the magnet groups (5).

4. An inflatable projection screen convenient for water drainage as claimed in claim 3, wherein the inside of the inflatable frame (2) is provided with a magic tape (21), and the curtain (1) is fixed on the inflatable frame (2) by the magic tape (21).

5. A water drain facilitating inflatable projection screen as claimed in claim 3, wherein the side walls of the two inflatable uprights (32) are each provided with a plurality of outwardly extending pressing tabs (33).

6. An inflatable projection screen as claimed in claim 1 wherein inflation valves are provided on the inflatable frame (2), inflatable cross bars (31), inflatable vertical bars (32) and inflatable support columns (4), respectively.