CN212160336U

CN212160336U - Outdoor windproof combined inflatable projection screen

Info

Publication number: CN212160336U
Application number: CN202021392951.5U
Authority: CN
Inventors: 何珊珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-12-15
Anticipated expiration: 2030-07-15

Abstract

The utility model relates to a projection screen is aerifyd to outdoor combination formula of preventing wind, 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 base includes that one aerifys horizontal pole and two and aerify the montant, aerifys the horizontal pole both ends and inhale the lateral wall of connecting at two inflation montants through magnet group magnetism respectively, and two front ends of aerifing the montant are inhaled the connection through magnet group magnetism respectively and are being aerifyd the rear side bottom of frame, the upper and lower both ends of aerifing the support column are inhaled the connection through magnet group magnetism respectively and are being aerifyd the rear side top of frame and the lateral wall of aerifing the horizontal pole, and each internal partitioning of aerifing the montant has one to. The utility model discloses can conveniently aerify projection screen and put up and assemble at open air fast, realize aerifing projection screen's quick assembly disassembly to can avoid aerifing projection screen and be blown down by the strong wind, prevent to receive the interference of strong wind in the use.

Description

Outdoor windproof combined inflatable projection screen

Technical Field

The utility model relates to a projection screen technical field especially relates to a projection screen is aerifyd to outdoor combination formula of preventing wind.

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 spread out flatly, and the volume and the mass of the projection screen are generally large, however, in order to make the projection screen suitable for outdoor use, some inflatable projection screens have appeared in the prior art, for example, an inflatable projection screen disclosed in patent application No. CN200820118661.4, which can be put into use quickly by inflating outdoors, and is very convenient.

However, in practical applications, the inflatable projection screen is slow in inflation speed and slow in forming due to its large size, and the inflatable projection screen is light in weight and is prone to toppling or shifting in outdoor weather environments, and is prone to be disturbed by strong wind.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a projection screen is aerifyd to outdoor combination formula of preventing wind can conveniently aerify projection screen and put up and assemble at open air fast, has realized the quick assembly disassembly who aerifys projection screen to can avoid aerifing projection screen and blown down by the strong wind, prevent to receive the interference of strong wind in the use.

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

the utility model provides a projection screen is aerifyd to outdoor combination formula of preventing wind, 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 base includes an 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 are inhaled the connection through magnet group magnetism respectively and are being aerifyd the rear side bottom of frame, the upper and lower both ends of aerifing the support column are inhaled the connection through magnet group magnetism respectively and are being aerifyd the rear side top of frame and the lateral wall of aerifing the horizontal pole, and each internal partitioning of aerifing the montant has.

Aerify projection screen need when the open air is built, can be respectively to aerifing the frame, aerify the horizontal pole, aerify the montant and aerify the support column and aerify, then utilize each magnet group to assemble fast and build, can be in very short time fast and convenient build the shaping to aerifing projection screen, it is very convenient to use, because each aerifys the part and passes through magnet group magnetism and inhale the connection, therefore can realize dismantling fast. In addition, because each inside partition of aerifing the montant has one to aerify chamber and two to fill the water cavity, two fill the both sides that the water cavity divides to live in aerifing the chamber, consequently, build the completion back when aerifing projection screen, can fill the water cavity injection water towards two in aerifing the montant, let the weight of aerifing the montant increase, simultaneously because aerify the montant through magnet group respectively with aerify the frame with aerify the horizontal pole and be connected and constitute integratively, consequently toward filling the water cavity injection water and having increased the whole weight of aerifing projection screen in other words, thereby can be favorable to resisting outdoor strong wind environment, avoid aerifing the projection screen and blown down by the strong wind, ensure normal use.

Therefore the utility model relates to a projection screen is aerifyd to outdoor combination formula of preventing wind can conveniently aerify projection screen and put up and assemble at open air fast, has realized the quick assembly disassembly who aerifys projection screen to can avoid aerifing projection screen and blown down by the strong wind, prevent to receive the interference of strong wind in the use.

Furthermore, be equipped with the water inlet on filling the water cavity, be provided with sealed lid on the water inlet, consequently can fill water through the water inlet to fill the water cavity through sealed lid, avoid inside water to flow.

Further, the inboard of inflating the frame is provided with the magic subsides, the curtain is pasted through the magic and is pasted and fix on inflating the frame, consequently can install fast and fixed curtain through the magic subsides.

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:

aerify projection screen need when the open air is built, can be respectively to aerifing the frame, aerify the horizontal pole, aerify the montant and aerify the support column and aerify, then utilize each magnet group to assemble fast and build, can be in very short time fast and convenient build the shaping to aerifing projection screen, it is very convenient to use, because each aerifys the part and passes through magnet group magnetism and inhale the connection, therefore can realize dismantling fast. In addition, because each inside partition of aerifing the montant has one to aerify chamber and two to fill the water cavity, two fill the both sides that the water cavity divides to live in aerifing the chamber, consequently, build the completion back when aerifing projection screen, can fill the water cavity injection water towards two in aerifing the montant, let the weight of aerifing the montant increase, simultaneously because aerify the montant through magnet group respectively with aerify the frame with aerify the horizontal pole and be connected and constitute integratively, consequently toward filling the water cavity injection water and having increased the whole weight of aerifing projection screen in other words, thereby can be favorable to resisting outdoor strong wind environment, avoid aerifing the projection screen and blown down by the strong wind, ensure normal use. Therefore the utility model relates to a projection screen is aerifyd to outdoor combination formula of preventing wind can conveniently aerify projection screen and put up and assemble at open air fast, has realized the quick assembly disassembly who aerifys projection screen to can avoid aerifing projection screen and blown down by the strong wind, prevent to receive the interference of strong wind in the use.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is an internal structure view of the inflatable vertical bar 32 of the present invention.

Fig. 5 is a front view of the present invention, illustrating the air-filled frame 2.

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 to 3, an outdoor windproof combined inflatable projection screen comprises a curtain 1, an inflatable frame 2, an inflatable base 3 and an inflatable support column 4 which is arranged in an inclined manner and has two ends respectively supported between the frame 2 and the base 3, wherein the base 3 comprises an inflatable cross rod 31 and two inflatable vertical rods 32, two ends of the inflatable cross rod 31 are respectively connected with the side walls of the two inflatable vertical rods 32 through magnetic attraction of magnet groups 5, the front ends of the two inflatable vertical rods 32 are respectively connected with the bottom of the rear side of the inflatable frame 2 through magnetic attraction of magnet groups 5, the upper end and the lower end of the inflatable support column 4 are respectively connected with the top of the rear side of the inflatable frame 2 and the side wall of the inflatable cross rod 31 through magnetic attraction of magnet groups 5, each magnet group 5 is respectively two magnets with the positive and negative poles mutually attracted, and are respectively fixed, 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). In addition, as shown in fig. 4, the inside of the left and right inflation vertical bars 32 is divided into an inflation cavity 6 and two water filling cavities 7, and the two water filling cavities 7 are respectively arranged at two sides of the inflation cavity 6.

Aerify projection screen need be when the open air is built, can be respectively to aerifing frame 2, aerify horizontal pole 31, aerify montant 32 and aerify support column 4, then utilize each magnet group 5 to assemble fast and build, can be in very short time quick and convenient aerify projection screen and build the shaping, it is very convenient to use, because each aerifys the part and inhale the connection through 5 magnetism of magnet group, therefore can realize dismantling fast. In addition, because each interior partition of inflating montant 32 has one to inflate chamber 6 and two to fill water cavity 7, two fill water cavity 7 and live in the both sides of inflating chamber 6, consequently, after aerifing projection screen and putting up the completion, can fill the water cavity 7 injection water into in two inflation montants 32, let the weight of inflating montant 32 increase, simultaneously because it is connected with inflatable frame 2 and inflatable horizontal pole 31 respectively through magnet group 5 to aerify montant 32 and constitute integratively, consequently, fill into the water cavity 7 towards filling and be equivalent to increased the whole weight of aerifing projection screen, thereby can be favorable to resisting outdoor strong wind environment, avoid aerifing projection screen and blown down by strong wind, ensure normal use.

As a further supplement and improvement to this embodiment, as shown in fig. 1 to 4, the water filling cavity 7 is provided with a water inlet 71, and the water inlet is provided with a sealing cover 72, so that water can be filled through the water inlet 71, and the water filling cavity 7 is sealed by the sealing cover 72, thereby preventing the internal water from flowing out

As a further supplement and improvement to the present embodiment, as shown in fig. 5, 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.

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 a projection screen is aerifyd to combination formula of preventing wind in open air, includes curtain (1), aerifys frame (2), aerifys base (3) and slope setting and both ends support respectively aerifys support column (4) between frame (2) and base (3), its characterized in that, base (3) include one aerify horizontal pole (31) and two aerify montant (32), aerify horizontal pole (31) both ends and inhale the lateral wall of connecting at two aerifys montant (32) through magnet group (5) magnetism respectively, the front end of two aerifys montant (32) is inhaled the connection through magnet group (5) magnetism respectively and is in the rear side bottom of aerifing frame (2), the upper and lower both ends of aerifing support column (4) are inhaled the connection through magnet group (5) magnetism respectively and are aerifyd the lateral wall at the rear side top of frame (2) and aerify horizontal pole (31), the internal partitioning of aerifing montant (32) has one and aerifys, the two water filling cavities (7) are respectively arranged at two sides of the air filling cavity (6).

2. An outdoor wind-proof combined inflatable projection screen according to claim 1, characterized in that a water inlet (71) is provided on the water-filled chamber (7), and a sealing cover (72) is provided on the water inlet.

3. The combined type inflatable projection screen for outdoor wind prevention according to claim 1, wherein a magic tape (21) is disposed on the inner side of the inflatable frame (2), and the curtain (1) is fixed on the inflatable frame (2) by sticking the magic tape (21).

4. An outdoor windproof combined inflatable projection screen according to claim 1, characterized in that the inflatable frame (2), the inflatable cross bar (31), the inflatable vertical bar (32) and the inflatable support post (4) are respectively provided with an inflation valve.