CN213814268U

CN213814268U - Projection screen based on shape memory high polymer material

Info

Publication number: CN213814268U
Application number: CN202023305945.4U
Authority: CN
Inventors: 李学祖
Original assignee: Jiangsu Fuai Technology Development Co ltd
Current assignee: Jiangsu Fuai Technology Development Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-27
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of projection screens, in particular to a projection screen based on shape memory polymer materials, which comprises a projection screen plate and a base, the top end of the base is fixedly connected with a ball head, the outer end face of the ball head is rotatably connected with a ball socket, the ball socket is fixedly connected with the bottom end of the projection curtain plate, the front end surface of the projection curtain plate is provided with a projection curtain, the inner sides of the left end and the right end of the projection curtain are fixedly connected with a positioning frame, the left wall surface and the right wall surface of the projection curtain plate are provided with side edge pulling blocks, the top end of the side edge pulling block is fixedly connected with a guide rod, the inner side of the side edge pulling block is fixedly connected with a positioning block, in the utility model, through the arranged components such as a projection curtain, a positioning frame, the side edge pulling block, the positioning block and the like, can make the side draw the piece to stimulate the locating frame through the locating piece, guarantee that the projection curtain can smooth lay in the place ahead of projection curtain board.

Description

Projection screen based on shape memory high polymer material

Technical Field

The utility model relates to a projection curtain technical field specifically is a projection curtain based on shape memory macromolecular material.

Background

In the present daily life, the use of the projector is more and more popularized, the projection screen is one of the most frequently used products in the peripheral equipment of the projector, if the projection screen is matched with the projector properly, a high-quality projection effect can be obtained, the shape memory polymer is a novel functional polymer material, the shape memory polymer has the characteristics of both plastics and rubber, when the external condition changes, the shape memory polymer can correspondingly change and fix the projection screen, if the external environment changes again in a specific mode and rule, the shape memory polymer material can be reversibly restored to the initial state, and the projection screen made of the shape memory polymer material can ensure the smoothness of the projection screen.

The side of present projection curtain can't be better in the use fixes to the curtain, leads to the side of projection curtain to produce the phenomenon of curling easily, influences the peripheral display effect of projection picture, and the projecting apparatus is in the use, because reasons such as ground unevenness or projection curtain installation are improper, leads to the projection curtain can't be parallel with the projection picture of projecting apparatus, influences projection effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection curtain based on shape memory macromolecular material to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a projection curtain based on shape memory macromolecular material, includes projection curtain board and base, the top fixedly connected with bulb of base, the outer terminal surface of bulb rotates and is connected with the ball socket, ball socket fixed connection is in the bottom of projection curtain board, the preceding terminal surface of projection curtain board is provided with the projection curtain, the left end of projection curtain and the inboard equal fixedly connected with locating frame of right-hand member, the left wall and the right wall of projection curtain board all are provided with the side and draw the piece, the top fixedly connected with guide bar that the piece was drawn to the side, the inboard fixedly connected with locating piece that the piece was drawn to the side.

Preferably, the locating piece sliding connection is in the inboard of locating frame, the side draws piece and guide bar and all sets up the outside at both ends about the projection curtain.

Preferably, be located the left side the left end that the piece was drawn to the side and the equal fixedly connected with gag lever post of right-hand member that the piece was drawn to the side that is located the right side, gag lever post sliding connection is in the inboard of projection curtain board, the outside of gag lever post is provided with spacing spring, spacing spring fixed connection is between projection curtain board and gag lever post.

Preferably, the flexible piece of top fixedly connected with of base, the top fixedly connected with supporting pad of flexible piece, the supporting pad sets up the bottom at the projection curtain board, the outside of flexible piece is provided with supporting spring, supporting spring's both ends respectively with base, supporting pad fixed connection.

Preferably, the inner side of the top end of the base is fixedly connected with a motor, the tail end of a main shaft of the motor is fixedly connected with a screw rod, the outer end face of the screw rod is connected with a sliding block in a threaded manner, the sliding block is connected to the top end of the base in a sliding manner, the top end of the sliding block is rotatably connected with a connecting rod, and the top end of the connecting rod is rotatably connected with the bottom end of the projection screen plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the components such as the projection curtain, the positioning frame, the side pull block and the positioning block, the side pull block can pull the positioning frame through the positioning block, so as to ensure that the projection curtain can be smoothly laid in front of the projection curtain plate, and ensure that the left end and the right end of the projection curtain are parallel and level through the positioning frame, and the projection curtain is convenient to penetrate through the inner side of the side pull block through the guide block, thereby the projection curtain is more convenient to install;

2. the utility model discloses in, through the bulb that sets up, the ball socket, the screw rod, the slider, components such as connecting rod, when projecting, the motor drives the screw rod and rotates, the screw rod drives the slider and slides, make the slider pass through the bottom left and right sides pulling of connecting rod with the projection curtain board, realize the projection curtain board and rotate as the center along bulb and ball socket to guarantee the projection curtain parallel with the projection picture when ground unevenness or projection curtain installation are improper, guarantee the projection effect, reduce the projection picture and appear the possibility in the projection curtain outside.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the installation structure of the positioning block of the present invention.

In the figure: the device comprises a 1-projection curtain plate, a 2-projection curtain, a 3-positioning frame, a 4-side pulling block, a 5-positioning block, a 6-guide block, a 7-limiting rod, an 8-limiting spring, a 9-base, a 10-ball head, a 11-ball socket, a 12-telescopic block, a 13-supporting spring, a 14-motor, a 15-screw rod, a 16-sliding block, a 17-connecting rod and an 18-supporting pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a projection screen based on shape memory polymer materials comprises a projection screen plate 1 and a base 9, wherein the top end of the base 9 is fixedly connected with a ball head 10, the outer end surface of the ball head 10 is rotatably connected with a ball socket 11, the ball socket 11 is fixedly connected with the bottom end of the projection screen plate 1, the arrangement can realize that the projection screen plate 1 rotates by taking the ball head 10 and the ball socket 11 as centers through the ball head 10 and the ball socket 11, the angle of the projection screen plate 1 is deflected, a projection screen 2 is arranged on the front end surface of the projection screen plate 1, positioning frames 3 are fixedly connected on the inner sides of the left end and the right end of the projection screen 2, the arrangement ensures the smoothness of the left end and the right end of the projection screen plate 2 through the positioning frames 3, side pulling blocks 4 are arranged on the left wall surface and the right wall surface of the projection screen plate 1, guide rods 6 are fixedly connected with the top ends of the side pulling blocks 4, and the arrangement is convenient for the projection screen plate 2 to be inserted into the inner sides of the side pulling blocks 4 through the guide rods 6, the inner side of the side pulling block 4 is fixedly connected with a positioning block 5.

The positioning block 5 is connected to the inner side of the positioning frame 3 in a sliding manner, the side pulling block 4 and the guide rod 6 are arranged on the outer sides of the left end and the right end of the projection curtain 2, and the positioning block 5 slides on the inner side of the positioning frame 3, so that the side pulling block 4 can position the positioning frame 3 through the positioning block 5; the left end of the side edge pulling block 4 positioned on the left side and the right end of the side edge pulling block 4 positioned on the right side are both fixedly connected with a limiting rod 7, the limiting rod 7 is connected to the inner side of the projection curtain plate 1 in a sliding manner, a limiting spring 8 is arranged on the outer side of the limiting rod 7, and the limiting spring 8 is fixedly connected between the projection curtain plate 1 and the limiting rod 7; the top end of the base 9 is fixedly connected with a telescopic block 12, the top end of the telescopic block 12 is fixedly connected with a supporting pad 18, the supporting pad 18 is arranged at the bottom end of the projection curtain plate 1, a supporting spring 13 is arranged outside the telescopic block 12, two ends of the supporting spring 13 are respectively fixedly connected with the base 9 and the supporting pad 18, and the telescopic block 12 drives a connecting rod 17 to support the bottom end of the projection curtain plate 1 under the elastic force of the supporting spring 13 so as to facilitate the rotation of the projection curtain plate 1; inboard fixedly connected with motor 14 in top of base 9, the terminal fixedly connected with screw rod 15 of main shaft of motor 14, the outer terminal surface screw thread of screw rod 15 closes soon and is connected with slider 16, slider 16 sliding connection is on the top of base 9, slider 16's top is rotated and is connected with connecting rod 17, connecting rod 17's top is rotated with the bottom of projection curtain board 1 and is connected, this kind of setting drives screw rod 15 through motor 14 and rotates, screw rod 15 can drive slider 16 and slide along screw rod 15's direction, make slider 16 pass through the pulling of the bottom left and right sides of connecting rod 17 with projection curtain board 1.

The working process is as follows: the utility model supplies power through an external power supply before using, controls the device through the device internal control system, firstly, the projection curtain 2 is attached to the inner side of the front end of the projection curtain plate 1, and the positioning frames 3 at the left and right ends of the projection curtain 2 are arranged at the inner sides of the side pulling blocks 4 in a penetrating way, so that the positioning blocks 5 are connected to the inner sides of the positioning frames 3 in a sliding way, then under the elasticity of the limiting spring 8, the limiting spring 8 drives the limiting rod 7 to pull the side pulling block 4 at the left side leftwards and pull the side pulling block 4 at the right side rightwards, so that the side pulling blocks 4 can straighten the left and right ends of the projection curtain 2 through the positioning blocks 5, the flatness of the projection curtain 2 is ensured, when projection is carried out, the motor 14 can be started, so that the motor 14 drives the screw rod 15 to rotate, the rotation of the screw rod 15 can be connected with the slider 16 through the screw thread screwing, drive slider 16 and slide along screw rod 15's direction, make slider 16 pass through the bottom left and right sides pulling of connecting rod 17 with projection curtain board 1, and the motion through left and right sides slider 16, can realize that projection curtain board 1 rotates along bulb 10 and ball socket 11 as the center, adjust projection curtain board 1's angle, thereby guarantee projection curtain 2 and projection picture parallel when ground unevenness or projection curtain 2 are installed improperly, guarantee the projection effect, and under supporting spring 13's elasticity, thereby make flexible piece 12 drive connecting rod 17 support the bottom of projection curtain board 1 and make things convenient for the rotation of projection curtain board 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projection curtain based on shape memory macromolecular material, includes projection curtain board (1) and base (9), its characterized in that: the utility model discloses a projection screen board, including base (9), the top fixedly connected with bulb (10) of base (9), the outer terminal surface rotation of bulb (10) is connected with ball socket (11), ball socket (11) fixed connection is in the bottom of projection screen board (1), the preceding terminal surface of projection screen board (1) is provided with projection curtain (2), the left end of projection curtain (2) and the inboard equal fixedly connected with locating frame (3) of right-hand member, the left wall and the right wall of projection screen board (1) all are provided with side pull block (4), the top fixedly connected with guide bar (6) of side pull block (4), the inboard fixedly connected with locating piece (5) of side pull block (4).

2. The projection screen based on the shape memory polymer material as claimed in claim 1, wherein: locating piece (5) sliding connection is in the inboard of locating frame (3), the side draws piece (4) and guide bar (6) and all sets up the outside at both ends about projection curtain (2).

3. The projection screen based on the shape memory polymer material as claimed in claim 1, wherein: be located the left end that the side pulled piece (4) and the equal fixedly connected with gag lever post (7) of right-hand member that the side that is located the right side pulled piece (4), gag lever post (7) sliding connection is in the inboard of projection curtain board (1), the outside of gag lever post (7) is provided with spacing spring (8), spacing spring (8) fixed connection is between projection curtain board (1) and gag lever post (7).

4. The projection screen based on the shape memory polymer material as claimed in claim 1, wherein: the utility model discloses a projection screen plate, including base (9), the flexible piece of top fixedly connected with (12) of base (9), the top fixedly connected with supporting pad (18) of flexible piece (12), supporting pad (18) set up the bottom at projection screen plate (1), the outside of flexible piece (12) is provided with supporting spring (13), the both ends of supporting spring (13) respectively with base (9), supporting pad (18) fixed connection.

5. The projection screen based on the shape memory polymer material as claimed in claim 1, wherein: the screen projection screen plate is characterized in that a motor (14) is fixedly connected to the inner side of the top end of the base (9), a screw rod (15) is fixedly connected to the tail end of a main shaft of the motor (14), a sliding block (16) is connected to the outer end face of the screw rod (15) in a threaded mode, the sliding block (16) is connected to the top end of the base (9) in a sliding mode, a connecting rod (17) is connected to the top end of the sliding block (16) in a rotating mode, and the top end of the connecting rod (17) is connected with the bottom end of the projection screen plate (1) in a rotating mode.