CN118591126A - Outdoor flexible display screen kit and preparation method thereof - Google Patents

Abstract

The present invention provides an outdoor flexible display screen kit, comprising a plurality of main bodies formed by integrating display modules with hard glue, wherein the connection between adjacent main bodies is provided with a W-shaped, V-shaped or U-shaped connection structure, the connection structure and the main body are injection molded into one body, and the plurality of main bodies and the plurality of connection structures are connected on the same PCB board; by setting the W-shaped, V-shaped and U-shaped connection structures, the connection between adjacent main bodies is extended and rotated, and the plurality of main bodies, the connection structure and the connection port are injection molded into one body, compared with the traditional belt line connection assembly, the entire connection is extended, compressed and rotated, and the plurality of main bodies are injection molded into one body, all display modules use a whole PCB board, and it can be achieved that there is no need to use a belt line, thereby eliminating the connector of a single small module, reducing the contact points and lowering the failure rate; and the injection molding has excellent waterproofness, low cost, high stability and simple production process.

Description

Outdoor flexible display screen kit and preparation method thereof

Technical Field

The present invention relates to the technical field of flexible display screens, and in particular to an outdoor flexible display screen kit and a preparation method thereof.

Background Art

When installing display screens at concerts or outdoors, the display screens are often installed in an arc shape due to the installation requirements of the scene.

Disadvantages of traditional outdoor flexible displays:

1. In the past, outdoor flexible display screen modules required multiple independent kits, independent kits and independent PCBs to be assembled, and then connected and assembled using belt lines;

2. Traditional belt lines and connectors are numerous, the contact points are numerous and the failure rate is high. They are prone to dislocation, have a high dislocation rate, poor waterproofness, high manual installation costs, and slow production efficiency. Therefore, an outdoor flexible display kit and a preparation method thereof are proposed.

Summary of the invention

In order to solve at least one of the above-mentioned technical shortcomings, the present invention provides an outdoor flexible display screen kit, comprising: a display module made of a PCB board and a display unit fixed on the PCB board, characterized in that: it comprises a plurality of main bodies made of a hard glue to form a whole display module, and the connection between adjacent main bodies is provided with a W-shaped, V-shaped or U-shaped connection structure, the connection structure and the main body are injection molded into one body, a plurality of main bodies and a plurality of connection structures are connected on the same PCB board, and a connection port is also provided on the PCB board.

Furthermore, it also includes a connecting mold for injection molding the connecting structure, the connecting mold is composed of an outer mold and an inner mold, the outer mold includes: a support frame, the top of the support frame is penetrated, and the tops of both ends of the support frame are provided with connecting holes, the interior of the support frame is provided with an outer mold wall arranged in a V shape, and the top two ends of the outer mold wall are respectively connected to the inner wall of the support frame, and the inner mold includes: a top plate, the two ends of the lower surface of the top plate are provided with connecting rods, the connecting rods are socketed with the connecting holes, the upper surface of the top plate is provided with an inner mold wall arranged in a V shape, a mold cavity is formed between the outer mold wall and the inner mold wall, and the end of the support frame is provided with a glue injection hole for the connecting mold cavity.

Preferably, the outer mold wall and the inner mold wall are made of hard material, and both the outer mold wall and the inner mold wall are arranged in a U shape, and a U-shaped mold cavity is formed between the outer mold wall and the inner mold wall.

Preferably, the outer mold wall and the inner mold wall are made of heat-resistant flexible material, and both the outer mold wall and the inner mold wall are arranged in a V shape, and a switchable W-shaped and V-shaped mold cavity is formed between the outer mold wall and the inner mold wall.

Furthermore, a fixing plate is provided in the middle of the outer surface of the outer mold wall, a control plate is provided at the bottom end of the outer mold wall, an outwardly protruding control groove is opened in the middle of the bottom of the support frame, the outer end of the control plate passes through the control groove, and the inner mold is connected to the top of the support frame and suspended inside the outer mold wall.

Furthermore, a fixing plate 2 is provided in the middle of the inner walls on both sides of the inner mold wall, the top of the fixing plate 2 is connected to the lower surface of the top plate, a control plate 2 is provided at the inner bottom end of the inner mold wall, an outwardly protruding control groove 2 is opened in the middle of the top plate, and the top of the control plate 2 passes through the control groove 2.

Furthermore, at least two through holes are provided on the outer walls of the control groove 1 and the control groove 2, and threaded holes corresponding to the through holes are provided on the control board 1 and the control board 2, and bolts are provided inside the threaded holes.

A method for preparing an outdoor flexible display screen kit is applied to an outdoor flexible display screen kit, and the method comprises: S1, injection molding a hard plastic main body and S2, injection molding adjacent main body connecting parts into one piece by injection molding a W-shaped, V-shaped or U-shaped connecting structure.

A method for preparing an outdoor flexible display screen kit, S1: installing a whole PCB board into a main body mold, connecting a plurality of display units to the circuit of the PCB board, connecting a connection port to the PCB board, injecting hard glue into the main body mold, and waiting for the hard glue to solidify to form a plurality of main bodies fixed on the same PCB board;

S2: Connection structure selection and casting: Select the type of connection mold: W-type, V-type or U-type, install the selected connection mold to the connection of the adjacent main body, and inject the connection structure and the main body into an integrated structure by injection molding.

Beneficial effects:

1. Through the setting of W-shaped, V-shaped and U-shaped connection structures, the connection of adjacent main bodies can be extended and rotated, and several main bodies, connection structures and connection ports are injection molded into one piece. Compared with the traditional belt line connection assembly, the entire connection is extended, compressed and rotated, and several main bodies are connected and injection molded into one piece. All display modules use a whole PCB board, which can achieve the elimination of the connector of a single small module without the use of a belt line, reduce the contact points, and reduce the failure rate. Injection molding has excellent waterproofness, low cost, high stability and simple production process.

2. When adjusting the W-shape, insert control plate 1 into control groove 1, so that the inside of control plate 1 pushes the bottom end of the outer mold wall to move inward, so that the outer mold wall is bent into a W-shape. At this time, the connection between fixed plate 1 and the outer mold wall is bent, and the outer mold wall is shaped by fixed plate 1; then, control plate 2 is pulled out from the inside of control groove 2, so that the end of control plate 2 pulls the inner bottom end of the inner mold wall to bend upward, so that the inner mold wall is bent into a W-shape, forming a W-shaped mold cavity.

The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a front view of the present invention as a whole.

FIG. 2 is a rear view of the present invention as a whole.

FIG. 3 is a left side view of the present invention as a whole.

FIG4 is a cross-sectional view of the C-C portion of FIG1 of the present invention.

FIG. 5 is a side view of the present invention as a whole.

FIG. 6 is an enlarged view of point F in FIG. 4 of the present invention.

FIG. 7 is an enlarged view of point E in FIG. 1 of the present invention.

FIG8 is an enlarged view of point D in FIG1 of the present invention.

FIG. 9 is a top view of the flexible mechanism mold of the present invention.

FIG. 10 is a cross-sectional view of the flexible mechanism mold of the present invention.

FIG. 11 is an axonometric view of the outer mold of the present invention.

FIG. 12 is an axonometric view of the inner mold of the present invention.

FIG. 13 is an enlarged view of point H in FIG. 12 of the present invention.

In Figures 1 to 13, the correspondence between the component names or lines and the figure numbers is: main body 1, display module 2, PCB board 201, display unit 202, connection structure 3, connection port 4, connection mold 5, outer mold 501, support frame 511, connection hole 512, outer mold wall 513, fixing plate 1 514, control board 1 515, control groove 1 516, inner mold 502, top plate 521, connecting rod 522, inner mold wall 523, fixing plate 2 524, control board 2 525, control groove 2 526, threaded hole 527, mold cavity 503, glue injection hole 504.

DETAILED DESCRIPTION

Please refer to Figures 1 to 13;

The present embodiment provides an outdoor flexible display screen kit, referring to FIGS. 1 to 8 , comprising: a display module 2 made of a PCB board 201 and a display unit 202 fixed on the PCB board 201, comprising a plurality of main bodies 1 integrally formed by hard glue with the display module 2, a W-shaped, V-shaped or U-shaped connecting structure 3 is provided at the connection between adjacent main bodies 1, the connecting structure 3 and the main body 1 are integrally injection-molded, a plurality of main bodies 1 and a plurality of connecting structures 3 are connected on the same PCB board 201, and a connecting port 4 is also provided on the PCB board 201;

In the specific implementation, by setting the W-shaped, V-shaped and U-shaped connection structures 3, the connection between the adjacent main bodies 1 is extended and rotated, and several main bodies 1, the connection structures 3 and the connection ports are injection molded as one piece. Compared with the traditional belt line connection assembly, the entire connection is extended, compressed and rotated, and several main bodies 1 are connected and injection molded as one piece. All display modules 2 use a whole PCB board 201, which can achieve the elimination of the connector of a single small module without using a belt line, reduce the contact points, and reduce the failure rate. Injection molding has excellent waterproofness, low cost, high stability and simple production process.

Due to the special structure of the W-type, V-type and U-type, the connection structure 3 can be extended and rotated, so that the one-piece injection molded display screen kit can be extended and rotated better;

W-type means that the cross-sectional structure of the connection structure 3 is W-shaped, so that the bending area can be extended and rotated;

The V-type means that the cross-sectional structure of the connection structure 3 is V-shaped, so that the bending area can be extended and rotated;

U-shaped means that the cross-sectional structure of the connecting structure 3 is U-shaped, so that the U-shaped bending area can be extended and rotated;

The connection structure 3 is made of soft or hard plastic by injection molding, and is integrally molded with the main body 1 .

Further, referring to FIGS. 9 to 13 , a connection mold 5 for injection molding the connection structure 3 is also included, the connection mold 5 is composed of an outer mold 501 and an inner mold 502, the outer mold 501 includes: a support frame 511, the top of the support frame 511 is penetrated, and the tops of both ends of the support frame 511 are provided with connection holes 512, the interior of the support frame 511 is provided with an outer mold wall 513 arranged in a V shape, and the top ends of the outer mold wall 513 are respectively connected to the inner wall of the support frame 511, and the inner mold 502 includes: a top plate 521, the two ends of the lower surface of the top plate 521 are provided with connecting rods 522, the connecting rods 522 are sleeved with the connecting holes 512, the upper surface of the top plate 521 is provided with an inner mold wall 523 arranged in a V shape, a mold cavity 503 is formed between the outer mold wall 513 and the inner mold wall 523, and the end of the support frame 511 is provided with a glue injection hole 504 for connecting the mold cavity 503;

In a specific implementation, when the outer mold 501 is installed, the support frame 511 is clamped and fixed between two adjacent main bodies 1, so that the two side edges of the support frame 511 are connected to the outer wall of the main body 1, so that the lower surface of the PCB board passes through the inner side of the outer mold wall 513, and the upper surface of the PCB board is pressed by the outer mold wall 513;

When installing the inner mold 502, the connecting rods 522 at both ends of the lower surface of the top plate 521 are inserted into the connecting holes 512 to complete the installation of the inner mold 502. At this time, the inner mold wall 523 is pressed downward to just support the upper surface of the PCB board.

The interior of the mold cavity 503 is injected through the injection hole 504 .

Preferably, the outer mold wall 513 and the inner mold wall 523 are made of hard material, and both the outer mold wall 513 and the inner mold wall 523 are arranged in a U shape, and a U-shaped mold cavity 503 is formed between the outer mold wall 513 and the inner mold wall 523;

In a specific implementation, the U-shaped connection structure 3 is directly injection molded through the U-shaped mold cavity 503 formed in the outer mold wall 513 and the inner mold wall 523, and solidified to form an integrated U-shaped connection structure;

The hard material includes but is not limited to any one of metal or ceramic.

Preferably, referring to FIGS. 9 to 13 , the outer mold wall 513 and the inner mold wall 523 are made of heat-resistant flexible material, and both the outer mold wall 513 and the inner mold wall 523 are arranged in a V-shape, and a switchable W-shaped and V-shaped mold cavity 503 is formed between the outer mold wall 513 and the inner mold wall;

In specific implementation, the heat-resistant flexible material includes but is not limited to a cloth surface coated with polytetrafluoroethylene;

The outer mold wall 513 and the inner mold wall 523 are both arranged in a V-shape, so that the mold cavity 503 formed between the outer mold wall 513 and the inner mold wall 523 is a V-shaped mold cavity 503 .

Further, referring to FIGS. 9 to 13 , a fixing plate 514 is provided in the middle of the outer surface of the outer mold wall 513, a control plate 515 is provided at the bottom end of the outer mold wall 513, an outwardly convex control groove 516 is provided in the middle of the bottom of the support frame 511, and the outer end of the control plate 515 passes through the control groove 516, and the inner mold 502 is connected to the top of the support frame 511 and is suspended inside the outer mold wall 513;

In specific implementation, when adjusting the W-shape, the control plate 515 is inserted into the control groove 516, so that the inside of the control plate 515 pushes the bottom end of the outer mold wall 513 to move inward, so that the outer mold wall 513 is bent into a W-shape. At this time, the connection between the fixed plate 514 and the outer mold wall 513 is bent, and the outer mold wall 513 is shaped by the fixed plate 514.

Further, referring to FIGS. 9 to 13 , a second fixing plate 524 is provided in the middle of the inner walls on both sides of the inner mold wall 523, the top of the second fixing plate 524 is connected to the lower surface of the top plate 521, a second control plate 525 is provided at the inner bottom end of the inner mold wall, a second convex control groove 526 is provided in the middle of the top plate 521, and the top of the second control plate 525 passes through the second control groove 526;

In specific implementation, when adjusting the W-shape, the control plate 525 is pulled out from the inside of the control groove 526, so that the end of the control plate 525 pulls the inner bottom end of the inner mold wall 523 to bend upward, so that the inner mold wall 523 is bent into a W shape.

Further, referring to FIGS. 9 to 13 , at least two through holes are formed on the outer walls of the control groove 1 516 and the control groove 2 526 , and threaded holes 527 corresponding to the through holes are formed on the control plate 1 515 and the control plate 2 525 , and bolts are formed inside the threaded holes 527 ;

In a specific implementation, when the V-shaped mold cavity 503 and the W-shaped mold cavity 503 are switched and locked, the threaded hole 527 is set so that the control board 1 515 and the control board 2 525 can be fixed by screwing the bolt into the threaded hole 527 and then passing it through the through hole, so that the switched mold cavity 503 can always maintain a fixed shape, V-shaped or W-shaped, under the pulling force of the control board 1 515 and the control board 2 525.

A method for preparing an outdoor flexible display screen kit is applied to an outdoor flexible display screen kit, and the method comprises: S1, injection molding a hard plastic main body 1 and S2, injection molding adjacent main body 1 connecting parts into one piece by injection molding a W-shaped, V-shaped or U-shaped connecting structure 3.

A method for preparing an outdoor flexible display screen kit, S1: installing a whole PCB board 201 into a main body mold, connecting a plurality of display units 202 to the circuit of the PCB board 201, connecting a connection port 4 to the PCB board 201, injecting hard glue into the main body mold, and waiting for the hard glue to solidify to form a plurality of main bodies 1 fixed on the same PCB board 201;

S2: Selecting and casting the connection structure 3: Select the type of the connection mold 5: W-type, V-type or U-type, install the selected connection mold 5 to the connection of the adjacent main body 1, and inject the connection structure 3 and the main body 1 into an integrated structure by injection molding;

Connection structure 3 options: W-type, V-type or U-type;

When the connection structure 3 is not adjusted, it is V-shaped, and the V-shaped connection structure 3 can be directly used;

Select W-shape: insert the control plate 1 515 into the control groove 1 516 and pull it out. The outer mold wall 513 is pulled and deformed from V-shape to W-shape by the push of the control plate 1 515. At the same time, pull the control plate 2 525 into the control groove 2 526 and pull the inner mold wall 523 from V-shape to W-shape by the pull of the control plate 2 525, so that a W-shaped mold cavity 503 is formed between the outer mold wall 513 and the inner mold wall 523.

Select U-shape: Select a hard material to form a U-shaped mold cavity 503 inside the outer mold wall 513 and the inner mold wall 523;

Casting of connection structure 3:

Installation of the connecting mold 5: clamp and fix several main bodies 1 in parallel on a plane, clamp the connecting mold 5 between two adjacent main bodies 1, and connect the mold cavity 503 of the connecting mold 5 with the two side surfaces of the main body 1;

Cable arrangement: Clamp the PCB board 201 part used for connection between adjacent bodies 1 to the mold cavity 503, first clamp and fix the outer mold 501 to the lower surface of the PCB board 201, and then clamp and fix the inner mold 502 to the upper surface of the PCB board 201, so that the PCB board 201 passes through the interior of the mold cavity 503;

Soft glue injection: injecting the soft glue into the mold cavity 503 from the glue injection hole 504, so that the soft glue solidifies inside the mold cavity 503 to solidify the main bodies 1 into one body;

Specific embodiment 1: first, the hard plastic body 1 is injection molded, and then the connection parts between adjacent bodies 1 are combined by a soft plastic two-color injection molding process to form a W-shaped and V-shaped connection structure 3;

Specific embodiment 2: first prepare the connection structure 3, and then inject the connection structure 3 and the PCB board 201 into an integrated main body 1 through hard plastic injection molding.

In the specific implementation, the main body mold adopts the existing mold, which belongs to the existing technology and will not be elaborated in detail.

Claims (9)

1. An outdoor flexible display screen kit, comprising: a display module (2) made of a PCB board (201) and a display unit (202) fixed on the PCB board (201), characterized in that: it comprises a plurality of main bodies (1) formed by integrating the display modules (2) by hard glue, a W-shaped, V-shaped or U-shaped connecting structure (3) is provided at the connection between adjacent main bodies (1), the connecting structure (3) and the main body (1) are injection molded into one body, a plurality of main bodies (1) and a plurality of connecting structures (3) are connected to the same PCB board (201), and a connecting port (4) is also provided on the PCB board (201). 2. According to claim 1, an outdoor flexible display screen kit is characterized in that: it also includes a connection mold (5) for injection molding the connection structure (3), the connection mold (5) is composed of an outer mold (501) and an inner mold (502), the outer mold (501) includes: a support frame (511), the top of the support frame (511) is penetrated, and the tops of both ends of the support frame (511) are provided with connection holes (512), the interior of the support frame (511) is provided with an outer mold wall (513) arranged in a V shape, and the outer mold wall (513) is The two ends of the top are respectively connected to the inner wall of the support frame (511), and the inner mold (502) comprises: a top plate (521), and the two ends of the lower surface of the top plate (521) are provided with connecting rods (522), and the connecting rods (522) are sleeved with the connecting holes (512); the upper surface of the top plate (521) is provided with an inner mold wall (523) arranged in a V shape, and a mold cavity (503) is formed between the outer mold wall (513) and the inner mold wall (523); and the end of the support frame (511) is provided with a glue injection hole (504) connected to the mold cavity (503). 3. An outdoor flexible display screen kit according to claim 2, characterized in that: the outer mold wall (513) and the inner mold wall (523) are made of hard material, the outer mold wall (513) and the inner mold wall (523) are both arranged in a U shape, and a U-shaped mold cavity (503) is formed between the outer mold wall (513) and the inner mold wall (523). 4. An outdoor flexible display screen kit according to claim 2, characterized in that: the outer mold wall (513) and the inner mold wall (523) are made of heat-resistant flexible material, the outer mold wall (513) and the inner mold wall (523) are both arranged in a V shape, and a switchable W-shaped and V-shaped mold cavity (503) is formed between the outer mold wall (513) and the inner mold wall (523). 5. An outdoor flexible display screen kit according to claim 4, characterized in that: a fixing plate (514) is provided in the middle of the outer surface of the outer mold wall (513), a control plate (515) is provided at the bottom end of the outer mold wall (513), an outwardly protruding control groove (516) is opened in the middle of the bottom of the support frame (511), the outer end of the control plate (515) passes through the control groove (516), and the inner mold (502) is connected to the top of the support frame (511) and is suspended inside the outer mold wall (513). 6. An outdoor flexible display screen kit according to claim 5, characterized in that: a second fixing plate (524) is provided in the middle of the inner walls on both sides of the inner mold wall (523), the top of the second fixing plate (524) is connected to the lower surface of the top plate (521), a second control plate (525) is provided at the inner bottom end of the inner mold wall, an outwardly protruding control groove (526) is opened in the middle of the top plate (521), and the top of the second control plate (525) passes through the second control groove (526). 7. An outdoor flexible display screen kit according to claim 6, characterized in that: at least two through holes are opened on the outer wall of control groove 1 (516) and control groove 2 (526), and threaded holes (527) corresponding to the through holes are opened on control board 1 (515) and control board 2 (525), and bolts are arranged inside the threaded holes (527). 8. A method for preparing an outdoor flexible display screen kit, characterized in that the method is applied to an outdoor flexible display screen kit as described in claim 3 or 7, and the method comprises: S1, injection molding a hard plastic main body (1) and S2, injection molding the connecting parts of adjacent main bodies (1) into one piece by injection molding a W-shaped, V-shaped or U-shaped connecting structure (3). 9. A method for preparing an outdoor flexible display screen kit according to claim 2, characterized in that: S1: installing a whole PCB board (201) into the inside of a main body mold, connecting a plurality of display units (202) to the circuit of the PCB board (201), connecting a connection port (4) to the PCB board (201), injecting hard glue into the inside of the main body mold, and waiting for the hard glue to solidify to form a plurality of main bodies (1) fixed on the same PCB board (201); S2: selecting and casting a connection structure (3): selecting the type of a connection mold (5): W-type, V-type or U-type, installing the selected connection mold (5) to the connection of adjacent main bodies (1), and injection molding the connection structure (3) and the main body (1) into an integrated structure.