CN211293586U

CN211293586U - Compound angle joint of anti-package screen frame

Info

Publication number: CN211293586U
Application number: CN202020062356.9U
Authority: CN
Inventors: 高松柏; 柏舸
Original assignee: Wuhu Star Screen Co ltd
Current assignee: Wuhu Star Screen Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-08-18
Anticipated expiration: 2030-01-13

Abstract

The utility model relates to a turn over compound angle of package screen frame connects, including a pipe and No. two pipes, the both ends of a pipe and No. two pipes link to each other in order to form compound angle with level, perpendicular curtain pipe of stretching tight respectively and connect, a pipe and No. two pipes all include horizontal segment, circular arc section and vertical section, the plane parallel of horizontal segment and the horizontal segment that vertical section constitutes in the plane in a pipe and No. two pipes and vertical section constitution, the welding has a side pipe between the horizontal segment in a pipe and the horizontal segment in No. two pipes, vertical section in a pipe and the welding of vertical section in No. two pipes have a side pipe No. two. The utility model discloses in through welding a side pipe and No. two side pipes, make the corner joint have very good structural strength, can maintain and stretch tight 90 jiaos of curtain pipe right angle intersection indeformable, make the overall stability who stretches tight the curtain pipe promote greatly.

Description

Compound angle joint of anti-package screen frame

Technical Field

The utility model relates to a screen frame field, specific turn-up screen frame compound angle joint that says so.

Background

Generally, a film screen in a cinema needs to be hung and mounted through a screen frame, and the screen frame also needs to meet certain structural strength and structural stability while meeting the requirement of film projection by hanging the screen in a stretched way so as to meet the construction requirement and relevant national standards of the cinema.

The curtain frame used for stretching the screen is generally rectangular, and the main body of the curtain frame generally consists of an upper horizontal curtain stretching pipe, a lower horizontal curtain stretching pipe, a left vertical curtain stretching pipe and a right vertical curtain stretching pipe; the horizontal screen stretching pipe and the vertical screen stretching pipe are crossed at a right angle, a common method can adopt a single pipe welding or fixing part fastening mode to connect, the mode is usually limited to the stretching of a non-reverse-wrapped screen, namely, the screen edge and the condition of a screen stretching gap exists between the screen stretching pipes, once the screen is stretched in a reverse-wrapped mode, namely, the screen wraps the screen stretching pipes, and when the rear side of the screen stretching pipes is stretched, the single pipe welding or the fixing part fastening mode stretches the right angle intersection of the screen frame, the structural and technological problem that the welding line or the fixing part needs to be polished to interfere the reverse wrapping of the screen exists, and the tension force applied when the screen stretching pipe right angle intersection of the single pipe structure stretches the screen can deform the right angle structure, thereby influencing the normal shape proportion of the picture.

In order to solve the problem that the structural strength and the installation mode of the existing screen stretching structure are difficult to meet the requirement of the screen stretching by reverse wrapping, the composite angle joint of the reverse wrapping screen frame is specially designed.

Disclosure of Invention

At present in order to solve the technical problem, the utility model provides a turn-up screen frame compound angle joint. The utility model discloses the technical problem that will solve adopts following technical scheme to realize:

the utility model provides a compound angle of anti-package screen frame connects, includes a pipe and No. two pipes, the both ends of a pipe and No. two pipes stretch out the screen pipe with level, perpendicular respectively and link to each other in order to form compound angle and connect, a pipe and No. two pipes all include horizontal segment, circular arc section and vertical section, the plane that horizontal segment and vertical section in the pipe constitute is parallel with the plane that horizontal segment and vertical section in No. two pipes constitute, the welding has a side's pipe between the horizontal segment in the pipe and the horizontal segment in No. two pipes, the welding has a side's pipe between the vertical section in the pipe and No. two pipes.

The horizontal segment and the vertical segment in the first round tube are equal in length, and the horizontal segment and the vertical segment in the second round tube are equal in length.

The included angle between the circle center connecting line of the sections of the horizontal sections in the first round pipe and the second round pipe and the plane where the axis of the horizontal section in the second round pipe is located is 15-75 degrees.

The length of a circle center connecting line of the sections of the horizontal sections in the first round pipe and the second round pipe is 150-500 mm.

The side length of the first square pipe and the second square pipe is smaller than the diameter of the first round pipe and the diameter of the second round pipe.

The horizontal segment in the first round tube is flush with the end face of the horizontal segment in the second round tube, the vertical segment in the first round tube is flush with the end face of the vertical segment in the second round tube, and planes formed by the end faces of the horizontal segment and the vertical segment are perpendicular to each other.

The central angle of the circular arc section is 90 degrees.

The utility model has the advantages that: the utility model has the advantages that the angle joint has very good structural strength by welding the first square tube and the second square tube, the 90-degree angle of the right-angle intersection of the curtain stretching tube can be maintained without deformation, and the overall stability of the curtain stretching tube is greatly improved; meanwhile, the right angle of the screen stretching pipe cannot be distorted and deformed due to the installation tension of the screen when the screen is reversely wrapped and the composite angle joint has a determined reverse wrapping angle, so that the screen frame can be installed at the determined reverse wrapping angle of the screen, and the whole screen installation surface cannot be deflected and deformed; finally, the utility model discloses well circular arc section central angle is 90 degrees and has promoted the whole aesthetic feeling of screen installation.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is an assembled front view of the present invention;

fig. 5 is a left side view of the present invention after assembly;

fig. 6 is a top view of the present invention after assembly.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description will be made with reference to the accompanying drawings in the embodiments, and the embodiments described are only a part of the present invention and not all of the present invention, and other embodiments obtained by those skilled in the art without inventive skill based on the present embodiment are all within the protection scope of the present invention.

As shown in fig. 1 to 6, a composite corner joint of a turn-up screen frame comprises a first round pipe 1 and a second round pipe 2, wherein two ends of the first round pipe 1 and the second round pipe 2 are respectively connected with horizontal and vertical curtain stretching pipes to form the composite corner joint, the first round pipe 1 and the second round pipe 2 respectively comprise a horizontal section 3, an arc section 4 and a vertical section 5, a plane formed by the horizontal section 3 and the vertical section 5 in the first round pipe 1 is parallel to a plane formed by the horizontal section 3 and the vertical section 5 in the second round pipe 2, a first square pipe 6 is welded between the horizontal section 3 in the first round pipe 1 and the horizontal section 3 in the second round pipe 2, and a second square pipe 7 is welded between the vertical section 5 in the first round pipe 1 and the vertical section 5 in the second round pipe 2; the first square tube 6 and the second square tube 7 enable the corner joints to have very good structural strength, so that the overall stability of the stretched screen tubes is greatly improved, as shown in fig. 4-6, the screen horizontal stretched screen tubes are 8, the screen vertical stretched screen tubes are 9, the screen frame body is 10, and the screen is 11.

The horizontal section 3 and the vertical section 5 in the first round pipe 1 are equal in length, and the horizontal section 3 and the vertical section 5 in the second round pipe 2 are equal in length; the lengths of the horizontal section 3 and the vertical section 5 are equal to ensure that the first round pipe 1 and the second round pipe 2 are stably connected with the horizontal and vertical curtain stretching pipes.

And an included angle between a circle center connecting line of the sections of the horizontal sections 3 in the first round pipe 1 and the second round pipe 2 and a plane where the axis of the horizontal section 3 in the second round pipe 2 is located is 15-75 degrees, and the included angle determines the turn-up angle of the screen.

The length of a circle center connecting line of the sections of the horizontal sections 3 in the first round tube 1 and the second round tube 2 is 150 mm to 500 mm.

The side length of the first square tube 6 and the second square tube 7 is smaller than the diameter of the first round tube 1 and the second round tube 2.

The horizontal section 3 in the first round tube 1 is flush with the end face of the horizontal section 3 in the second round tube 2, the vertical section 5 in the first round tube 1 is flush with the end face of the vertical section 5 in the second round tube 2, and planes formed by the end faces of the horizontal section 3 and the vertical section 5 are mutually perpendicular so as to maintain the 90-degree angle of the right-angle intersection of the curtain stretching tubes to be not deformed.

The central angle of the circular arc section 4 is 90 degrees to improve the integral aesthetic feeling of the screen.

In the utility model, after the frame body of the reverse-wrapped screen frame and the horizontal and vertical stretched screen pipes are installed, the composite angle joint of the reverse-wrapped screen frame is installed at the right-angle intersection of the horizontal and vertical stretched screen pipes; the horizontal and vertical stretched curtain pipes deflect a certain angle in the direction of the curtain surface, so that the pipe orifices of the horizontal and vertical stretched curtain pipes are butted with the horizontal section 3 and the vertical section 5 in the first round pipe 1 and the second round pipe 2 respectively, the horizontal section 3 and the vertical section 5 in the first round pipe 1 and the second round pipe 2 are inserted into the horizontal and vertical stretched curtain pipes simultaneously, then the stretched curtain pipes are butted and folded with the horizontal section 3 and the vertical section 5, and the installation of the composite angle joint at the left three right-angle intersection of the stretched curtain pipes is completed in the same way.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a compound angle of anti-package screen frame connects, includes a pipe (1) and No. two pipe (2), its characterized in that: the both ends of a pipe (1) and No. two pipe (2) stretch tight the curtain pipe with level, perpendicular respectively and link to each other in order to form compound angle joint, a plane that horizontal segment (3) and vertical section (5) constitute in pipe (1) and No. two pipe (2) all include horizontal segment (3), circular arc section (4) and vertical section (5), the plane parallel of horizontal segment (3) and vertical section (5) constitution in horizontal segment (3) and No. two pipe (2) in pipe (1), the welding has a side's pipe (6) between horizontal segment (3) in pipe (1) and horizontal segment (3) in No. two pipe (2), the welding has a side's pipe (7) between vertical section (5) in pipe (1) and No. two pipe (2).

2. The reverse-wrapped screen frame composite angle joint of claim 1, wherein: horizontal segment (3) and vertical section (5) length in pipe (1) No. two, horizontal segment (3) and vertical section (5) length in pipe (2) are equal.

3. The reverse-wrapped screen frame composite angle joint of claim 1, wherein: and an included angle between a circle center connecting line of the cross sections of the horizontal sections (3) in the first round pipe (1) and the second round pipe (2) and a plane where the axis of the horizontal section (3) in the second round pipe (2) is located is 15-75 degrees.

4. The reverse-wrapped screen frame composite angle joint of claim 1, wherein: the length of a circle center connecting line of the cross sections of the horizontal sections (3) in the first round pipe (1) and the second round pipe (2) is 150 mm to 500 mm.

5. The reverse-wrapped screen frame composite angle joint of claim 1, wherein: the side length of the first square tube (6) and the second square tube (7) is smaller than the diameter of the first round tube (1) and the second round tube (2).

6. The reverse-wrapped screen frame composite angle joint of claim 1, wherein: horizontal segment (3) in a pipe (1) flushes with the terminal surface of horizontal segment (3) in No. two pipes (2), vertical section (5) in a pipe (1) flushes with the terminal surface of vertical section (5) in No. two pipes (2), the plane mutually perpendicular of the terminal surface formation of horizontal segment (3) and vertical section (5).

7. The reverse-wrapped screen frame composite angle joint of claim 1, wherein: the central angle of the circular arc section (4) is 90 degrees.