Spliced projection screen

Abstract

The utility model discloses a spliced projection screen which comprises a main body frame, and the front surface of the main body frame is provided with a hard projection screen. The fixing assembly comprises a fixing sleeve installed on the outer side of the outer frame, a fixing base installed on the inner side of the decorative frame and a pin, a compressed spring is arranged between the fixing sleeve and the fixing base, and the pin sequentially penetrates through the decorative frame, the fixing base and the compressed spring. When the decorative frame is assembled, the preformed hole in the decorative frame is aligned with the fixing seat, then the decorative frame leans against the outer side of the main body frame, then the decorative frame and the fixing seat are fixed together through the screw, and then the pin sequentially penetrates through the decorative frame, the fixing seat and the pressure spring. The pin is inserted into the fixing sleeve in a sliding mode, so that the decorative frame is assembled on the outer edge of the main body frame, meanwhile, the compression spring is arranged between the fixing base and the fixing sleeve, and when the decorative frame is collided, the buffer protection effect can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to projection screen technical field, concretely is a spliced projection screen. BACKGROUND

[0002] The projection screen is one of the most commonly used products in the peripheral equipment of the projector, that is, a screen cloth or a screen board for projection display, and is an important auxiliary tool indispensable in the projection operation.

[0003] The utility model discloses a spliced projection screen discloses a spliced projection screen, including main body frame, the outside front of main body frame swingly installs hard projection screen, the edge position fixed mounting of main body frame inboard has frame support, this spliced projection screen adopts magnetic assembly structure, through the symmetric increase of the through hole magnet with magnetism outside frame main body, more convenient assembly work between whole and external decorative frame, greatly enhanced the overall external appearance and the assembly convenience of whole.

[0004] The above-mentioned spliced projection screen is assembled on the outer edge of the main body frame by the magnetic attraction mode, and the decorative frame has poor protection effect, therefore, the assembly mode of the decorative frame is improved in the application. UTILITY MODEL CONTENTS

[0005] The utility model discloses a spliced projection screen, which solves the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a spliced projection screen, including main body frame, the main body frame is equipped with hard projection screen in the front, the main body frame includes the outer frame, the outer frame inboard is equipped with the cross of horizontal board and vertical board, the outer frame outside is assembled with decorative frame through fixed assembly component.

[0007] The fixed assembly component includes the fixed sleeve installed in the outer frame outside, the fixed seat installed in the decorative frame inboard, the pin, the fixed sleeve and fixed seat are equipped with the compression spring between, the pin is in sequence and penetrates decorative frame, fixed seat and compression spring, and the end of pin is slidably inserted into the fixed sleeve.

[0008] Among them, the surface of the pin is provided with a ring groove on one side, the compression spring is provided with a snap spring matched with the ring groove on one side close to the fixed seat, and the ring groove on the pin is clamped together with the snap spring after the pin end is slidably inserted into the fixed sleeve.

[0009] Among them, the frame support is fixedly installed at the outer position of the main body frame inboard.

[0010] The horizontal plate is provided with a screen clamping plate for assembling the hard projection screen, the screen clamping plate is provided with a clamping strip, two clamping grooves symmetrically arranged above and below are formed between the clamping strip and the screen clamping plate, and the hard projection screen is provided with a clamping buckle on one side of the back thereof and matched with the clamping grooves.

[0011] The outer frame is provided with screen positioning plates around the front face, and the decorative frame covers the screen positioning plates.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] The decorative frame is wrapped around the main frame, and the appearance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole axis measurement structure schematic diagram of the present application;

[0015] Figure 2 It is a whole explosion structure schematic diagram of the present application;

[0016] Figure 3 It is a main frame axis measurement structure schematic diagram of the present application;

[0017] Figure 4 It is a main frame explosion structure schematic diagram of the present application;

[0018] Figure 5 It is Figure 4 It is an enlarged structure schematic diagram of A part of the present application;

[0019] Figure 6 It is Figure 4 It is an enlarged structure schematic diagram of B part of the present application;

[0020] Figure 7 It is a fixed assembly axis measurement structure schematic diagram of the present application;

[0021] Figure 8 It is a fixed assembly explosion structure schematic diagram of the present application.

[0022] In the figure: 1, main body frame; 11, outer frame; 12, cross plate; 13, decorative frame; 14, fixing assembly; 141, fixing sleeve; 142, compression spring; 143, snap spring; 144, fixing seat; 145, pin; 15, frame support; 16, screen clamping plate; 17, clamping strip; 18, screen positioning plate; 2, hard projection screen. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0024] Please refer to Figures 1-8 The present application provides a technical solution: a spliced projection screen, comprising a main body frame 1, the front of the main body frame 1 is provided with a hard projection screen 2, the main body frame 1 comprises an outer frame 11, the inner side of the outer frame 11 is provided with cross-shaped cross plates 12 and vertical plates, the cross-shaped cross plates 12 and vertical plates divide the main body frame 1 into four equal areas, and one hard projection screen 2 is assembled in each area, and there are four hard projection screens 2 in total.

[0025] Among them, the outer side of the outer frame 11 is assembled with a decorative frame 13 through a fixing assembly 14; the decorative frame 13 is assembled at the outer edge of the main body frame 1 through the fixing assembly 14, and the main body frame 1 is wrapped by the decorative frame 13, thereby improving the appearance.

[0026] Among them, the fixing assembly 14 comprises a fixing sleeve 141 mounted on the outer side of the outer frame 11, a fixing seat 144 mounted on the inner side of the decorative frame 13, and a pin 145, a compression spring 142 is arranged between the fixing sleeve 141 and the fixing seat 144, the pin 145 penetrates the decorative frame 13, the fixing seat 144 and the compression spring 142 in sequence, and the end of the pin 145 is slidingly inserted into the fixing sleeve 141, when assembling the decorative frame 13, first align the reserved hole on the decorative frame 13 with the fixing seat 144, then place the decorative frame 113 on the outer side of the main body frame 1, then fix the decorative frame 13 and the fixing seat 144 together through screws, then make the pin 145 penetrate the decorative frame 13, the fixing seat 144 and the compression spring 142 in sequence, and make the end of the pin 145 slidingly inserted into the fixing sleeve 141, so as to assemble the decorative frame 13 at the outer edge of the main body frame 1, and at the same time, the fixing seat 144 and the fixing sleeve 141 are provided with the compression spring 142, so that when the decorative frame 13 is bumped, the compression spring 142 can play a buffering protection role.

[0027] The side of the pin 145 surface is provided with an annular groove, the side of the compression spring 142 close to the fixed seat 144 is provided with a snap spring 143 matched with the annular groove, when the end of the pin 145 is slidingly inserted into the fixed sleeve, the annular groove on the pin 145 is clamped together with the snap spring 143, when the decorative frame 13 is installed, the reserved hole on the decorative frame 13 is aligned with the fixed seat 144, then the decorative frame 13 is placed on the fixed assembly 14, then the decorative frame 13 and the fixed seat 144 are fixed together through the screw, then the pin 145 is sequentially penetrated through the decorative frame 13, the fixed seat 144 and the compression spring 142, and the end of the pin 145 is slidingly inserted into the fixed sleeve 141, so that the decorative frame 13 is assembled at the outer edge of the main frame 1, when the end of the pin 145 is slidingly inserted into the fixed sleeve, the annular groove on the pin 145 is clamped together with the snap spring 143, and the compression spring 142 is sleeved on the outside of the pin 145, through the cooperation of the pin 145 and the compression spring 142, when the decorative frame 13 is bumped, the buffering protection effect can be achieved.

[0028] The frame support 15 is fixedly installed at the outer position of the inner side of the main frame 1, and the main frame 1 can be assembled on the wall surface through the frame support 15.

[0029] The screen clamping plate 16 for assembling the hard projection screen 2 is arranged on the horizontal plate 12, the clamping strip 17 is arranged on the screen clamping plate 16, two clamping grooves symmetrically arranged above and below are formed between the clamping strip 17 and the screen clamping plate 16, the clamping buckle matched with the clamping groove is arranged on one side of the back of the hard projection screen 2, the screen positioning plate 18 is arranged around the front of the outer frame 11, and the decorative frame 13 covers the screen positioning plate 18, in the assembly, the hard projection screen 2 is sequentially arranged on the front of the main frame 1 through the cooperation of the clamping buckle and the clamping groove, and the screen positioning plate 18 for positioning the position of the hard projection screen 2 is arranged around the outer frame 11, so that the hard projection screen 2 is assembled on the front of the main frame 1.

[0030] Working principle: in use, the main frame 1 is assembled by the outer frame 11 and the cross-shaped horizontal plate 12 and vertical plate, the position of the clamping buckle on the back of the hard projection screen 2 is registered on the horizontal plate 12 to install the screen clamping plate 16, then the hard projection screen 2 is sequentially arranged on the front of the main frame 1 through the cooperation of the clamping buckle and the clamping groove, and the screen positioning plate 18 for positioning the position of the hard projection screen 2 is arranged around the outer frame 11, so that the hard projection screen 2 is assembled on the front of the main frame 1.

[0031] After the screen positioning plate 18 is assembled, the decorative frame 13 is assembled at the outer edge of the main body frame 1, and the specific steps are as follows: first, align the reserved hole on the decorative frame 13 with the fixed seat 144, then place the decorative frame 13 on the fixed assembly 14, then fix the decorative frame 13 and the fixed seat 144 together through screws, then sequentially pass the pin 145 through the decorative frame 13, the fixed seat 144 and the compression spring 142, and make the end of the pin 145 slidingly inserted into the fixed sleeve 141, so as to assemble the decorative frame 13 at the outer edge of the main body frame 1, when the end of the pin 145 slidingly inserts into the fixed sleeve, the annular groove on the pin 145 is clamped with the snap spring 143, and the compression spring 142 is sleeved on the outer side of the pin 145, through the cooperation of the pin 145 and the compression spring 142, when the decorative frame 13 is bumped, the buffering protection effect can be achieved.

[0032] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

Claims

1. A spliced projection screen comprising a main frame (1), characterized in that: The main body frame (1) is provided with a hard projection screen (2) in front, the main body frame (1) comprises an outer frame (11), the inner side of the outer frame (11) is provided with cross-shaped horizontal plates (12) and vertical plates, the outer side of the outer frame (11) is assembled with a decorative frame (13) through a fixing assembly (14); The fixing assembly (14) comprises a fixing sleeve (141) mounted on the outer side of the outer frame (11), a fixing base (144) mounted on the inner side of the decorative frame (13), and a pin (145), a compression spring (142) is arranged between the fixing sleeve (141) and the fixing base (144), the pin (145) penetrates the decorative frame (13), the fixing base (144) and the compression spring (142) in sequence, and the end of the pin (145) is slidingly inserted into the fixing sleeve (141).

2. A spliced projection screen according to claim 1, wherein: An annular groove is formed on one side of the surface of the pin (145), the compression spring (142) is provided with a snap spring (143) matched with the annular groove on one side close to the fixing base (144), after the pin (145) end is slidingly inserted into the fixing sleeve (141), the annular groove on the pin (145) is clamped together with the snap spring (143).

3. A spliced projection screen according to claim 1, wherein: The frame support (15) is fixedly installed on the outer side of the main body frame (1).

4. A spliced projection screen according to claim 1, wherein: The horizontal plate (12) is provided with a screen clamping plate (16) for assembling the hard projection screen (2), the screen clamping plate (16) is provided with a clamping strip (17), two clamping grooves symmetrically formed above and below between the clamping strip (17) and the screen clamping plate (16), and the back of the hard projection screen (2) is provided with a clamping buckle matched with the clamping groove.

5. A spliced projection screen according to claim 1, wherein: The outer frame (11) is provided with a screen positioning plate (18) around the front, and the decorative frame (13) covers the screen positioning plate (18).

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