Spliced screen unit with dustproof sealing design

Abstract

The utility model relates to the technical field of spliced screen units, in particular to a spliced screen unit with dustproof sealing design, which comprises a screen main body, a sealing assembly and a mounting frame. The sealing assembly achieves efficient dustproof sealing through the flexible sealing strip, the elastic pressing piece and the flow guide groove, the flexible sealing strip is tightly attached to the edge of the screen body, the flow guide groove guides dust to be discharged, and the heat dissipation module enhances the dustproof effect through airflow. The mounting frame is provided with an adjusting structure and a shock pad, so that the adaptability and the stability are improved. Dust invasion can be effectively prevented, the service life of the equipment is prolonged, the display effect is improved, maintenance is convenient, and complex scene requirements are met.

Description

Technical Field

[0001] This utility model belongs to the field of display device technology, specifically a splicing screen unit with a dustproof and sealed design. Background Technology

[0002] In the application of video wall units, dustproof sealing design is of significant practical importance for improving equipment operational stability and lifespan. Video wall units are widely used in monitoring centers, command and dispatch centers, exhibitions, and other scenarios; however, their installation environments are often open or semi-open, making them susceptible to dust intrusion. This dust accumulation on the screen surface or internal structure affects display quality and equipment performance. Therefore, achieving an effective dustproof sealing design has become a pressing issue for video wall units.

[0003] A search revealed patent CN106886121B, entitled "Dustproof Sealing Component and Projector," published on September 8, 2023. This solution utilizes a structure combining an end-face sealing section and a cavity sealing section, allowing the sealing component to adapt to the tilting movement of the lens barrel and effectively preventing dust from entering the optical engine components and optical element surfaces. However, this technology primarily addresses the sealing connection between individual optical components and does not address the sealing problem of splicing gaps between multiple display units, thus limiting its applicability in complex splicing structures.

[0004] In addition, a patent with patent number CN115356808B, entitled "An Automatic Sealing Dustproof Optical Connector Plug," was found, with a publication date of 2023-11-24. This solution uses a spring-driven sealing door assembly to achieve automatic sealing during insertion and removal, ensuring good dustproof performance of the connection interface when not in operation. Although this design achieves dynamic sealing control and is suitable for fiber optic connector insertion and removal scenarios, its structural form is difficult to meet the continuous sealing requirements of large-area, multi-sided splicing areas in a video wall unit, and its protection capability for the overall display module is limited.

[0005] In summary, while some dustproof sealing structures exist for optical components or connecting parts in existing technologies, these solutions are mostly limited to sealing single components or specific interfaces, failing to provide an effective overall dustproof sealing solution for the complex splicing structure between video wall units. Especially in application scenarios involving frequent disassembly and assembly, complex environments, and limited space, existing technologies still have room for improvement in balancing sealing performance, maintainability, and structural compactness. Therefore, there is an urgent need to propose a video wall unit with a dustproof sealing design to achieve efficient protection for the entire splicing system, improving equipment operational stability and lifespan. Utility Model Content

[0006] To address the shortcomings of existing technologies, this invention provides a video wall unit with a dustproof and sealed design, solving the problem of dust intrusion in open or semi-open environments. Through an innovative sealing structure design, this invention achieves continuous and efficient dustproof sealing at the seams between multiple display units, while also ensuring maintainability and structural compactness, meeting the needs of complex application scenarios.

[0007] A video wall unit with a dustproof and sealed design includes a screen body, a sealing component, and a mounting frame. The screen body is fixed within the mounting frame, and the sealing component is disposed between the screen body and the mounting frame, as well as in the splicing gaps between adjacent screen bodies. The sealing component includes a flexible sealing strip, an elastic clamping member, and a guide channel. The flexible sealing strip is arranged along the edge of the screen body, and its two ends are respectively embedded in grooves on the side of the screen body and fixed by the elastic clamping member. The guide channel is disposed below the splicing gap to guide ingress dust particles out. The inner side of the mounting frame has a positioning groove, and the outer side of the flexible sealing strip has a protrusion that is embedded in the positioning groove for a fixed connection.

[0008] Furthermore, the screen body features a stepped structure along its edge. The cross-sectional shape of the flexible sealing strip matches this stepped structure, and the inner side of the flexible sealing strip has several microporous structures filled with dust-absorbing material to trap incoming dust particles. The outer surface of the flexible sealing strip is coated with a hydrophobic coating to prevent moisture penetration and maintain sealing performance. The flexible sealing strip is made of silicone or polyurethane, which offers excellent flexibility and aging resistance.

[0009] Furthermore, the elastic clamping component includes a pressure plate and a spring. One end of the pressure plate is fixed to the side of the screen body by bolts, and the other end contacts the flexible sealing strip. The spring is positioned between the pressure plate and the screen body to provide continuous pressure, ensuring that the flexible sealing strip fits tightly against the edge of the screen body. The inner side of the pressure plate has a serrated structure, which interlocks with the outer surface of the flexible sealing strip to enhance the fixing effect.

[0010] Furthermore, the bottom of the guide channel is provided with an inclined surface at an angle of 3° to 5°, which facilitates dust particles to slide down along the inclined surface and collect at the collection port of the guide channel. A removable dust collection box is provided at the collection port of the guide channel, which is connected to the guide channel via a snap-fit ​​structure, facilitating regular cleaning of accumulated dust. The inner wall of the guide channel is coated with an anti-static coating to reduce the adhesion of dust particles.

[0011] Furthermore, the mounting frame includes horizontal and vertical supports, which are fixedly connected by corner connectors. Adjustment bolts are provided on the inner side of the corner connectors to adjust the overall size of the mounting frame to accommodate screen bodies of different sizes. A protective cover is provided on the outer side of the mounting frame. The protective cover is made of aluminum alloy or stainless steel, which has high strength and corrosion resistance.

[0012] Furthermore, a transition connector is provided between the flexible sealing strip and the guide channel. One end of the transition connector is embedded in the groove of the flexible sealing strip, and the other end is fixed to the side wall of the guide channel with screws. A vent hole is provided in the middle of the transition connector, and a filter screen is installed in the vent hole to prevent large dust particles from entering the guide channel.

[0013] Furthermore, a heat dissipation module is located on the back of the screen body. The heat dissipation module includes a heat sink and a fan. The heat sink is fixed to the back panel of the screen body, and the fan is mounted on the outside of the heat sink. The fan's exhaust port faces the splicing seam, using airflow to blow any dust particles that may enter into the airflow channel. The surface of the heat sink has a fin-like structure to increase the heat dissipation area and improve heat dissipation efficiency.

[0014] Furthermore, the bottom of the mounting frame is equipped with shock-absorbing pads made of rubber or silicone, with a thickness of 5mm to 10mm. These pads absorb the impact of external vibrations on the screen body, preventing a decrease in sealing performance due to vibration. The upper surface of the shock-absorbing pads has a wavy texture, which creates friction with the bottom surface of the mounting frame, enhancing stability.

[0015] This invention's splicing screen unit utilizes the synergistic effect of flexible sealing strips, elastic clamping components, and airflow guide channels to form a continuous sealing barrier between the screen bodies, effectively preventing dust from intruding into the internal structure. The microporous structure and hydrophobic coating of the flexible sealing strip enhance sealing performance, the elastic clamping components ensure a tight fit between the sealing strip and the screen body, and the airflow guide channel design enables the centralized collection and discharge of dust particles. Furthermore, the introduction of a heat dissipation module and shock-absorbing pads further enhances the operational stability and lifespan of the equipment.

[0016] The beneficial effects of this utility model are as follows:

[0017] ① The flexible sealing strip matches the stepped structure of the screen body edge and is fixed by elastic clamping parts to form a tight sealing connection, effectively preventing dust from entering from the splicing gap, improving the display effect and device life.

[0018] ② The inclined surface of the guide channel and the dust collection box design facilitate the centralized collection and cleaning of dust particles, reduce maintenance frequency, and improve the maintainability of the equipment.

[0019] ③ The combination of the fan and finned heat sink in the heat dissipation module not only improves heat dissipation efficiency, but also uses airflow to blow dust into the guide channel, further enhancing the dust prevention effect.

[0020] ④ The design of the mounting frame's adjusting bolts and corner connectors allows the equipment to adapt to screen bodies of different specifications, enhancing its applicability and flexibility.

[0021] ⑤ The wavy texture and appropriate thickness of the shock-absorbing pad effectively absorb vibration and improve the stability of the equipment, avoiding a decrease in sealing performance due to external interference.

[0022] This utility model solves the problem of efficient dustproof sealing of splicing screen units under complex splicing structures in the prior art through the above-mentioned specific technical means, and provides a reliable solution for monitoring centers, command and dispatch and other scenarios. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention, showing the assembly relationship of the screen body, sealing components and mounting frame of the splicing screen unit.

[0024] Figure 2 This utility model Figure 1 Enlarged view of point A.

[0025] Figure 3 This utility model Figure 1 A side view structural diagram.

[0026] Figure 4 This utility model Figure 3 Enlarged view of point B.

[0027] Figure 5 This utility model Figure 3 Enlarged view of point C.

[0028] The attached figures are labeled as follows:

[0029] 1. Screen body; 2. Flexible sealing strip; 3. Elastic clamping component; 4. Air guide channel; 5. Dust collection box; 6. Mounting frame; 7. Horizontal bracket; 8. Vertical bracket; 9. Corner connector; 10. Adjusting bolt; 11. Heat dissipation module; 12. Shock-absorbing pad. Detailed Implementation

[0030] This utility model provides a splicing screen unit with a dustproof and sealed design, and its specific implementation is described in detail with reference to the accompanying drawings. Figure 1As shown, the splicing screen unit includes a screen body 1, a flexible sealing strip 2, an elastic clamping component 3, a flow guide 4, a dust collection box 5, a mounting frame 6, a horizontal bracket 7, a vertical bracket 8, corner connectors 9, adjusting bolts 10, a heat dissipation module 11, and shock-absorbing pads 12. These components achieve efficient dustproof sealing through specific assembly methods and structural designs, ensuring long-term stable operation of the equipment in open or semi-open environments.

[0031] The screen body 1 is the core component of the splicing screen unit and is fixed within the mounting frame 6. The edge of the screen body 1 has a stepped structure that matches the cross-sectional shape of the flexible sealing strip 2, which is arranged along the edge of the screen body 1. Both ends of the flexible sealing strip 2 are embedded into grooves on the side of the screen body 1 and then fixed by elastic clamping members 3. Figure 2 As shown, the elastic clamping component 3 includes a pressure plate and a spring. One end of the pressure plate is fixed to the side of the screen body 1 by bolts, and the other end contacts the flexible sealing strip 2. The spring is positioned between the pressure plate and the screen body 1 to provide continuous pressure, ensuring that the flexible sealing strip 2 fits tightly against the edge of the screen body 1. The inner side of the pressure plate has a serrated structure, which interlocks with the outer surface of the flexible sealing strip 2, thereby enhancing the fixing effect. The inner side of the flexible sealing strip 2 has several microporous structures filled with dust-absorbing material to adsorb incoming dust particles. The outer surface of the flexible sealing strip 2 is coated with a hydrophobic coating to prevent moisture penetration and maintain sealing performance. The flexible sealing strip 2 is made of silicone or polyurethane to ensure good flexibility and aging resistance.

[0032] The connection relationship between the flexible sealing strip 2 and the mounting frame 6 is as follows: Figure 1 and Figure 2 As shown, the inner side of the mounting frame 6 has a positioning groove, and the outer side of the flexible sealing strip 2 has a protrusion. The protrusion is embedded in the positioning groove to achieve a fixed connection. This embedded connection method not only enhances the stability of the flexible sealing strip 2, but also avoids loosening caused by external vibration. In addition, a transition connector is provided between the flexible sealing strip 2 and the guide channel 4. One end of the transition connector is embedded in the groove of the flexible sealing strip 2, and the other end is fixed to the side wall of the guide channel 4 with screws. A vent hole is provided in the middle of the transition connector, and a filter screen is installed in the vent hole to prevent large dust particles from entering the guide channel 4. This design ensures the sealing between the flexible sealing strip 2 and the guide channel 4, while allowing a small amount of air to flow to maintain internal air pressure balance.

[0033] The flow guide trough 4 is located below the splicing seam between adjacent screen bodies 1, and its bottom has an inclined surface with an angle of 3° to 5°. For example... Figure 3As shown, the inclined surface design facilitates the sliding of dust particles along the slope and their collection at the inlet of the guide channel 4. A detachable dust collection box 5 is located at the collection inlet of the guide channel 4, connected to the guide channel 4 via a snap-fit ​​structure. This snap-fit ​​structure allows for easy removal of the dust collection box 5, facilitating regular cleaning of accumulated dust. The inner wall of the guide channel 4 is coated with an anti-static coating to reduce dust particle adhesion, thereby improving the flow efficiency. The position and structural design of the guide channel 4 ensure that dust particles are effectively guided and discharged, preventing their accumulation at the splicing seams and affecting the display effect.

[0034] The mounting frame 6 consists of a horizontal support 7 and a vertical support 8, which are fixedly connected by corner connectors 9. Figure 4 As shown, the inner side of the corner connector 9 is equipped with an adjusting bolt 10, which is used to adjust the overall size of the mounting frame 6 to accommodate screen bodies 1 of different specifications. This adjustable design allows the splicing screen unit to flexibly adapt to various application scenarios. The outer side of the mounting frame 6 is equipped with a protective cover, which is made of aluminum alloy or stainless steel, possessing high strength and corrosion resistance. The design of the protective cover further enhances the durability of the splicing screen unit in complex environments.

[0035] A heat dissipation module 11 is provided on the back of the screen body 1. The heat dissipation module 11 includes a heat sink and a fan. The heat sink is fixed to the back plate of the screen body 1, and the fan is mounted on the outside of the heat sink. Figure 5 As shown, the fan's exhaust port faces the seam, using airflow to blow any dust particles that may enter into the guide channel 4. The heat sink surface has a fin-like structure, increasing the heat dissipation area and improving heat dissipation efficiency. The working principle of the heat dissipation module 11 is to use the airflow generated by the fan to remove heat from inside the screen body 1, while simultaneously pushing dust particles into the guide channel 4, thus achieving the dual functions of heat dissipation and dust prevention. The synergistic effect of the heat dissipation module 11 and the guide channel 4 significantly improves the overall performance of the device.

[0036] The bottom of the mounting frame 6 is equipped with a shock-absorbing pad 12, which is made of rubber or silicone and has a thickness of 5mm to 10mm. The upper surface of the shock-absorbing pad 12 has a wavy texture, which creates friction with the bottom surface of the mounting frame 6, enhancing stability. The design of the shock-absorbing pad 12 effectively absorbs the impact of external vibrations on the screen body 1, preventing a decrease in sealing performance due to vibration. The wavy texture of the shock-absorbing pad 12 increases the contact area, further improving the device's shock resistance.

[0037] The aforementioned components, through specific connection methods and positional relationships, form a complete splicing screen unit. The screen body 1 and flexible sealing strip 2 achieve a tight fit through a stepped structure and elastic clamping component 3. Flexible sealing strip 2 and mounting frame 6 are fixedly connected through positioning grooves and protrusions. Flexible sealing strip 2 and guide channel 4 achieve a sealed connection through transition connectors. Guide channel 4 uses an inclined surface and dust collection box 5 to centrally collect and discharge dust particles. Heat dissipation module 11 achieves synergistic heat dissipation and dust prevention through a fan and finned heat sinks. Mounting frame 6 allows for size adjustment through adjusting bolts 10 and corner connectors 9. Vibration damping pad 12 enhances shock resistance and stability through a wavy texture and appropriate thickness. The cooperation of these components ensures the splicing screen unit's efficient dustproof sealing effect and long-term stable operation in complex environments.

[0038] In a specific embodiment of this utility model, the stepped structure at the edge of the screen body 1 matches the cross-sectional shape of the flexible sealing strip 2. The flexible sealing strip 2 is fixed to the edge of the screen body 1 by an elastic clamping member 3. The protrusion of the flexible sealing strip 2 is embedded in the positioning groove of the mounting frame 6. The flexible sealing strip 2 and the guide channel 4 are sealed together by a transition connector. The guide channel 4 collects and discharges dust particles through an inclined surface and a dust collection box 5. The heat dissipation module 11 achieves synergistic heat dissipation and dust prevention through a fan and finned heat sinks. The mounting frame 6 is sized by adjusting bolts 10 and corner connectors 9. The shock-absorbing pad 12 enhances shock resistance and stability through a wavy texture and appropriate thickness. These specific technical means jointly solve the problem of difficult efficient dust prevention and sealing of splicing screen units under complex splicing structures in the prior art, providing a reliable solution for scenarios such as command and dispatch in monitoring centers. In order to enable those skilled in the art to fully understand and implement this utility model, the specific implementation principle of this utility model is further explained below in conjunction with a specific application scenario.

[0039] In practical applications of monitoring centers, video wall units need to operate in open or semi-open environments for extended periods. To ensure efficient dustproof sealing in complex environments, the screen body 1 is first fixed within the mounting frame 6. The edges of the screen body 1 have a stepped structure, and a flexible sealing strip 2 is arranged along the edges of the screen body 1 and fixed by an elastic clamping member 3. The spring in the elastic clamping member 3 provides continuous pressure, causing the flexible sealing strip 2 to fit tightly against the edge of the screen body 1. Simultaneously, the serrated structure on the inner side of the pressure plate interlocks with the outer surface of the flexible sealing strip 2, thereby enhancing the fixing effect. The protrusions of the flexible sealing strip 2 are embedded in the positioning grooves on the inner side of the mounting frame 6. This embedded connection method avoids loosening caused by external vibration. The above steps achieve a tight fit between the screen body 1 and the flexible sealing strip 2, ensuring an initial seal at the splicing seams.

[0040] Furthermore, a guide channel 4 is installed below the splicing seam between adjacent screen bodies 1. The bottom of the guide channel 4 is designed as an inclined surface with an inclination angle of 3° to 5°, which facilitates dust particles to slide down the inclined surface and collect at the collection port of the guide channel 4. A dust collection box 5 is provided at the collection port of the guide channel 4. The dust collection box 5 is connected to the guide channel 4 by a snap-fit ​​structure, which facilitates regular disassembly and cleaning of accumulated dust. The inner wall of the guide channel 4 is coated with an anti-static coating to reduce the adhesion of dust particles, thereby improving the guiding efficiency. The flexible sealing strip 2 and the guide channel 4 are sealed together by a transition connector. A filter screen is installed in the vent hole in the middle of the transition connector to prevent large dust particles from entering the guide channel 4. This design not only ensures the sealing between the flexible sealing strip 2 and the guide channel 4, but also allows a small amount of air to circulate to maintain internal air pressure balance. The above steps achieve effective guidance and discharge of dust particles in the splicing seam.

[0041] A heat dissipation module 11 is located on the back of the screen body 1. The heat dissipation module 11 includes a heat sink and a fan. The fan's exhaust port faces the splicing seam, using airflow to blow any dust particles that may enter into the guide channel 4. The surface of the heat sink has a fin-like structure to increase the heat dissipation area and improve heat dissipation efficiency. When the fan is running, the generated airflow carries away the heat inside the screen body 1, while simultaneously pushing dust particles into the guide channel 4, thus achieving a synergistic effect of heat dissipation and dust prevention. The above steps ensure that the device can effectively dissipate heat and prevent dust accumulation during long-term operation.

[0042] The mounting frame 6 consists of a horizontal support 7 and a vertical support 8, which are fixedly connected by corner connectors 9. Adjusting bolts 10 are provided on the inner side of the corner connectors 9, allowing adjustment of the overall dimensions of the mounting frame 6 to accommodate screen bodies 1 of different sizes. A protective cover is provided on the outer side of the mounting frame 6, made of aluminum alloy or stainless steel, offering high strength and corrosion resistance. These steps achieve flexible adaptability and enhanced durability of the mounting frame 6.

[0043] The bottom of the mounting frame 6 is equipped with a shock-absorbing pad 12, which is made of rubber or silicone and has a thickness of 5mm to 10mm. The upper surface of the shock-absorbing pad 12 has a wavy texture, which creates friction with the bottom surface of the mounting frame 6, enhancing stability. The design of the shock-absorbing pad 12 effectively absorbs the impact of external vibrations on the screen body 1, preventing a decrease in sealing performance due to vibration. The above steps improve the device's shock resistance.

[0044] Through the above steps, the screen body 1 and the flexible sealing strip 2 are tightly fitted together through a stepped structure and elastic clamping parts 3. The flexible sealing strip 2 and the mounting frame 6 are fixedly connected through positioning grooves and protrusions. The flexible sealing strip 2 and the guide channel 4 are sealed together through transition connectors. The guide channel 4 collects and discharges dust particles through an inclined surface and a dust collection box 5. The heat dissipation module 11 achieves synergistic heat dissipation and dust prevention through a fan and finned heat sinks. The mounting frame 6 is sized by adjusting bolts 10 and corner connectors 9. The shock-absorbing pad 12 enhances shock resistance and stability through a wavy texture and appropriate thickness. The cooperation of these components ensures the efficient dustproof sealing effect and long-term stable operation of the splicing screen unit in complex environments.

[0045] The above description is merely a preferred embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A video wall unit with a dustproof and sealed design, characterized in that: The system includes a screen body (1), a sealing component, and a mounting frame (6). The screen body (1) is fixed inside the mounting frame (6). The sealing component is located between the screen body (1) and the mounting frame (6) and in the splicing gap between adjacent screen bodies (1). The sealing component includes a flexible sealing strip (2), an elastic clamping member (3), and a guide groove (4). The flexible sealing strip (2) is arranged along the edge of the screen body (1). Both ends of the flexible sealing strip (2) are embedded in the grooves on the side of the screen body (1) and fixed by the elastic clamping member (3). The guide groove (4) is located below the splicing gap and is used to guide the dust particles that have entered to be discharged. The inner side of the mounting frame (6) is provided with a positioning groove, and the outer side of the flexible sealing strip (2) is provided with a protrusion. The protrusion is embedded in the positioning groove to achieve a fixed connection.

2. The splicing screen unit according to claim 1, characterized in that: The edge of the screen body (1) is provided with a stepped structure. The cross-sectional shape of the flexible sealing strip (2) matches the stepped structure. The inner side of the flexible sealing strip (2) is provided with several microporous structures. The microporous structures are filled with dust-absorbing material. The outer surface of the flexible sealing strip (2) is coated with a hydrophobic coating. The material of the flexible sealing strip (2) is silicone or polyurethane.

3. The splicing screen unit according to claim 1, characterized in that: The elastic clamping component (3) includes a pressure plate and a spring. One end of the pressure plate is fixed to the side of the screen body (1) by bolts, and the other end is in contact with the flexible sealing strip (2). The spring is set between the pressure plate and the screen body (1). The inner side of the pressure plate is provided with a serrated structure, which interlocks with the outer surface of the flexible sealing strip (2).

4. The splicing screen unit according to claim 1, characterized in that: The bottom of the guide channel (4) is provided with an inclined surface with an angle of 3° to 5°. A detachable dust collection box (5) is provided at the collection port of the guide channel (4). The dust collection box (5) is connected to the guide channel (4) through a snap-fit ​​structure. The inner wall of the guide channel (4) is coated with an antistatic coating.

5. The splicing screen unit according to claim 1, characterized in that: The mounting frame (6) includes a horizontal support (7) and a vertical support (8). The horizontal support (7) and the vertical support (8) are fixedly connected by corner connectors (9). The inner side of the corner connectors (9) is provided with adjusting bolts (10). The outer side of the mounting frame (6) is provided with a protective cover. The material of the protective cover is aluminum alloy or stainless steel.

6. The splicing screen unit according to claim 1, characterized in that: A transition connector is provided between the flexible sealing strip (2) and the guide groove (4). One end of the transition connector is embedded in the groove of the flexible sealing strip (2), and the other end is fixed to the side wall of the guide groove (4) by screws. A vent hole is provided in the middle of the transition connector, and a filter screen is installed in the vent hole.

7. The splicing screen unit according to claim 1, characterized in that: The back of the screen body (1) is provided with a heat dissipation module (11), which includes a heat sink and a fan. The heat sink is fixed to the back plate of the screen body (1), and the fan is installed on the outside of the heat sink. The air outlet of the fan faces the splicing gap, and the surface of the heat sink is provided with a fin-like structure.

8. The splicing screen unit according to claim 1, characterized in that: The bottom of the mounting frame (6) is provided with a shock-absorbing pad (12). The shock-absorbing pad (12) is made of rubber or silicone and has a thickness of 5mm to 10mm. The upper surface of the shock-absorbing pad (12) is provided with a wavy texture.

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