WO2024026988A1

WO2024026988A1 - Waterproof assembly and display device

Info

Publication number: WO2024026988A1
Application number: PCT/CN2022/119143
Authority: WO
Inventors: 张书发
Original assignee: 西安青松光电技术有限公司
Priority date: 2022-08-04
Filing date: 2022-09-15
Publication date: 2024-02-08
Also published as: CN217884185U

Abstract

Provided in the present application are a waterproof assembly and a display device. The waterproof assembly comprises a pressing plate and a sealing ring, a mounting hole being formed in the pressing plate, and the sealing ring comprising a sealing ring body and a sealing edge surrounding the peripheral side of the sealing ring body; the sealing ring body is internally provided with at least one circle of first sealing bulge, and a second sealing bulge is formed at one end of the sealing ring body, the second sealing bulge being inserted into the mounting hole; and the sealing edge is connected to the pressing plate. The waterproof assembly provided by the present application is capable of simultaneous positive pressure and lateral pressure waterproofing, and solves the problems of uneven display modules caused by positive pressure waterproofing and low reliability of lateral pressure waterproofing.

Description

Waterproof components and display devices

This application claims priority to the Chinese utility model patent application submitted to the China Patent Office on August 4, 2022, with the application number 202222047974.8 and the application name "Waterproof Components and Display Equipment", which is incorporated by reference in its entirety. in this application.

Technical field

The present application relates to the field of display, and in particular, to a waterproof component and a display device.

Background technique

The display device includes a control box and multiple display modules. The control box and each display module are waterproof. Both the display module and the control box have data interfaces. The display module and the control box are electrically connected through the data interfaces, thereby realizing power supply and signal transmission between the control box and the display module. Set a waterproof ring at the data interface to achieve waterproofing at the data interface.

There are two main forms of waterproof rings. The first is the positive pressure type. The waterproof ring is set between the display module and the control box. The bottom shell of the display module and the outer shell of the control box squeeze the waterproof ring to achieve sealing and waterproofing. . The second type is the side pressure type. The bottom shell of the display module and the outer shell of the control box are each provided with an annular boss, and one of the two annular bosses is inserted into the other, and the waterproof ring is set on the two annular bosses. Between them, the two annular bosses squeeze the waterproof ring to achieve sealing and waterproofing.

The positive pressure type needs to provide sufficient forward pressure to ensure the sealing effect. The softness and hardness of the waterproof ring can easily cause unevenness of the display module. The side pressure waterproof ring is easy to slide, which can easily lead to lower waterproof reliability.

Contents of the invention

This application provides a waterproof component and display device that can perform positive pressure and lateral pressure waterproofing at the same time, solving the problems that positive pressure waterproofing can easily cause unevenness of the display module and lateral pressure waterproofing has low reliability.

In a first aspect, this application provides a waterproof assembly, including a pressure plate and a sealing ring. The pressure plate has a mounting hole. The sealing ring includes a sealing ring body and a sealing edge surrounding the circumference of the sealing ring body. The sealing ring body has at least A ring of first sealing protrusions, one end of the sealing ring body forms a second sealing protrusion, the second sealing protrusion is inserted into the installation hole, and the sealing edge is connected to the pressure plate.

In a possible implementation manner, in the waterproof assembly provided by this application, there is a gap between the second sealing protrusion and the inner wall of the installation hole.

In a possible implementation manner, in the waterproof assembly provided by this application, the two opposite surfaces of the sealing edge respectively have at least one ring of third sealing protrusions and at least one ring of fourth sealing protrusions. The third sealing protrusions are in contact with the pressure plate. Abut.

In a possible implementation manner, in the waterproof assembly provided by this application, the projection of the fourth sealing protrusion toward the third sealing protrusion is staggered with the third sealing protrusion.

In a possible implementation manner, in the waterproof assembly provided by this application, the sealing ring body is in the shape of a truncated cone, and the diameter of one end of the sealing ring body decreases in sequence from the diameter of the other end of the sealing ring body.

In a second aspect, this application also provides a display device, including a display device body and at least one waterproof component provided in the first aspect. The display device body includes a frame, a control box and multiple display panels. The control box and each display panel Both are connected to the frame, and the waterproof components and display panels are located on opposite sides of the frame;

The waterproof component is abutted between the display panel and the control box, and the sealing edge and pressure plate of the waterproof component are both connected to the frame.

In a possible implementation manner, in the display device provided by this application, the display panel includes a display body and a bottom case, and the bottom case covers the surface of the display surface away from the display body;

The pressure plate is in contact with the bottom shell, and the sealing edge is in contact with the frame;

The bottom shell has a protruding portion, the protruding portion is inserted into the sealing ring body, and the outer side wall of the protruding portion is in contact with the first sealing protrusion of the waterproof component.

In a possible implementation manner, in the display device provided by this application, the second sealing protrusion of the waterproof component abuts against a side of the bottom shell facing the frame.

In a possible implementation manner, the display device provided by this application has an escape hole on the bottom case, and the raised portion is a rib surrounding the escape hole;

The display panel also includes a first interface, the bottom case and the display body together form a receiving cavity, the first interface is located in the receiving cavity, and the first interface is partially inserted into the protruding portion through the escape hole;

There is a second interface in the control box, and the second interface part is located in the raised part and plugged into the first interface.

In a possible implementation, the display device provided by the present application further includes at least one connector, the pressure plate has at least one countersunk hole, the sealing edge has at least one through hole, the frame includes a middle frame, and the middle frame has At least one connecting hole, the connecting piece is inserted into the countersunk hole, through hole and connecting hole in sequence;

The connecting piece is connected to the connecting hole, and the head of the connecting piece is embedded in the countersunk hole.

In the waterproof component and display device provided by this application, the waterproof component is provided with a pressure plate and a sealing ring. The sealing ring includes a sealing ring body and a sealing edge surrounding the sealing ring body. The pressure plate is connected to the sealing edge, and the sealing edge is fixed by the pressure plate. , thereby avoiding the impact of the sealing edge on the flatness of the display panel, and also preventing the sealing ring from moving, thus ensuring the overall waterproof effect of the sealing ring. The second sealing protrusion on the sealing ring body is in contact with the side of the display panel facing the waterproof component to achieve positive pressure waterproofing. The side of the display panel facing the waterproof component is partially inserted into the sealing ring body and is in contact with the first sealing surface in the sealing ring body. Raised contacts for side-pressure waterproofing.

Description of the drawings

In order to more clearly explain the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a display device provided by an embodiment of the present application;

Figure 2 is an exploded view of Figure 1;

Figure 3 is a schematic structural diagram of the waterproof component and part of the display device body in Figure 1;

Figure 4 is a partial exploded view of location A in Figure 3;

Figure 5 is a schematic diagram of the internal structure of the first state at A in Figure 3;

Figure 6 is a schematic diagram of the internal structure of the second state at A in Figure 3.

Explanation of reference symbols:

100-display device body;

110-Frame;

111-support rod;

112-support plate;

113-middle frame;

1131-Connection hole;

120-Control box;

121-Second interface;

124-HUB board;

130-display panel;

131-Display the ontology;

132-bottom shell;

1321-bulge;

1322-Escape hole;

133-First interface;

134-accommodating cavity;

200-waterproof components;

210-pressure plate;

211-Mounting hole;

212-Countersunk;

220-Sealing ring;

221-Sealing ring body;

2211-First sealing bump;

2212-Second sealing bump;

222-Sealing edge;

2221-Third sealing bump;

2222-Fourth sealing bump;

2223-through hole;

300-Connector.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below in conjunction with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numbers throughout represent the same or similar components or components having the same or similar functions. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application, but should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application. The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of this application, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be the first connection, or it can be the first connection. The intermediate medium is indirectly connected, which can be the internal connection between two components or the interaction between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship of the drawings. It is only for the convenience of describing the present application and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. orientation construction and operation, and therefore cannot be construed as a limitation on this application.

The terms "first", "second" and "third" (if present) in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific sequence or sequence. Sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein can, for example, be practiced in sequences other than those illustrated or described herein.

Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, e.g., a process, method, system, product, or display that encompasses a series of steps or units need not be limited to those expressly listed Those steps or elements may instead include other steps or elements not expressly listed or inherent to the processes, methods, products or displays.

A display device may also be called a monitor. The display device is a device that can output images or sensory information, and the display device may include an LED display screen. Display equipment is widely used in schools, shopping malls, stations and other places.

The display device includes a control box and multiple display modules. Both the display module and the control box have data interfaces. The display module and the control box are electrically connected through the data interfaces, thereby realizing communication between the control box and the display module. power supply and signal transmission. Set a waterproof ring at the data interface to achieve waterproofing at the data interface.

In related technologies, there are two main forms of waterproof rings. The first is the positive pressure type. The waterproof ring is set between the display module and the control box. The waterproof ring is squeezed by the bottom shell of the display module and the outer shell of the control box. Pressure to achieve sealing and waterproofing. However, the positive pressure type needs to provide enough positive pressure to ensure the sealing effect, that is, the waterproof ring needs to be fixed. The waterproof ring is made of soft material. The flatness of the fixed and non-fixed parts of the waterproof ring is different. Since the display module covers the waterproof ring , in this way, it is easy to cause unevenness of the display module.

The second type is the side pressure type. The bottom shell of the display module and the outer shell of the control box are each provided with an annular boss, and one of the two annular bosses is inserted into the other, and the waterproof ring is set on the two annular bosses. Between the two annular bosses, the waterproof ring is squeezed to achieve sealing and waterproofing. The side-pressure waterproof ring is easy to slide when squeezed, which may lead to low waterproof reliability.

Based on this, embodiments of the present application provide a waterproof component and a display device. The waterproof component is provided with a pressure plate and a sealing ring, and the sealing edge is fixed through the pressure plate, thereby avoiding the impact of the sealing edge on the flatness of the display panel, and also avoiding the sealing ring. Movement, thereby ensuring the overall waterproof effect of the sealing ring. The sealing ring includes a sealing ring body and a sealing edge surrounding the circumference of the sealing ring body. The second sealing protrusion on the sealing ring body contacts the side of the display panel facing the waterproof assembly to achieve positive pressure waterproofing, and the display panel faces the waterproofing component. One side of the component is partially inserted into the sealing ring body and contacts the first sealing protrusion in the sealing ring body to achieve side pressure waterproofing.

Referring to FIGS. 1 to 3 , the display device provided by the embodiment of the present application includes a display device body 100 and a waterproof component 200 . The display device body 100 includes a frame 110 , a control box 120 and a plurality of display panels 130 . The control box 120 and Each display panel 130 is connected to the frame 110, and the waterproof assembly 200 and the display panel 130 are respectively located on two opposite sides of the frame 110.

The waterproof component 200 is abutted between the display panel 130 and the control box 120 , and the sealing edge 222 and the pressure plate 210 of the waterproof component 200 are both connected to the frame 110 .

As shown in FIG. 2 , in this embodiment, the frame 110 is used to support the control box 120 and the display panel 130 . The frame 110 may include a middle frame 113, a plurality of support rods 111 and a plurality of support plates 112. The four support rods 111 may be connected end to end to form a rectangular frame. The support rods 111 may also be provided in the rectangular frame. The middle frame 113 and The support rods 111 can be arranged at intervals along the length direction of the rectangular frame (the X direction in Figure 2), and the two ends of the middle frame 113 and the support rods 111 in the rectangular frame are respectively aligned with the width direction of the rectangular frame (the Y direction in Figure 2). The two support rods 111 are connected, and the support plate 112 can be connected to the two adjacent support rods 111 in the length direction of the rectangular frame at intervals.

Among them, the middle frame 113 is located in the middle area of the rectangular frame, the control box 120 is covered on the middle frame 113, and the middle frame 113 and the control box 120 are connected through a detachable connection method such as buckles or screws. Thus, post-maintenance can be achieved.

It can be understood that the support rod 111 and the middle frame 113 can be integrally formed.

The display panel 130 is used to display image information, and the display panel 130 may be an LED display module. The number of display panels 130 may be multiple, and the multiple display panels 130 are arranged in a rectangular array to cover the frame 110 .

A buckle or magnetic attraction piece is provided on the side of the display panel 130 facing the frame 110 , and a slot or an adsorption piece is provided at a corresponding position on the side of the frame 110 facing the display panel 130 ; or, a slot or a magnetic attraction piece is provided on the side of the display panel 130 facing the frame 110 . The adsorption member is provided with a buckle or a magnetic attraction piece at a corresponding position on the side of the frame 110 facing the display panel 130, and the display panel 130 is fixed to the frame 110 through a slot and a buckle corresponding to the slot, or through a magnetic attraction piece and a buckle corresponding to the slot. The adsorbing member fixes the display panel 130 to the frame 110 . This embodiment does not limit the connection method between the display panel 130 and the frame 110 .

As shown in Figures 4 and 5, in this embodiment, the control box 120 has a HUB board 124. The HUB board 124 has a plurality of second interfaces 121. Each display panel 130 also has a first interface 133, and a second interface 121. The interface 121 is plugged into the first interface 133 in a one-to-one correspondence to realize power supply and signal transmission between the control box 120 and the display panel 130 . In order to achieve the purpose of waterproofing, a waterproof assembly 200 is provided at the position of the second interface 121 and the first interface 133 for sealing and waterproofing.

Specifically, as shown in Figures 4 and 5, the waterproof assembly 200 includes a pressure plate 210 and a sealing ring 220. The pressure plate 210 has a mounting hole 211. The sealing ring 220 includes a sealing ring body 221 and a sealing ring surrounding the sealing ring body 221. The sealing edge 222 has at least one ring of first sealing protrusions 2211 in the sealing ring body 221. One end of the sealing ring body 221 forms a second sealing protrusion 2212. The second sealing protrusion 2212 is inserted into the mounting hole 211. The sealing The edge 222 is connected to the pressure plate 210 .

In specific implementation, the sealing ring 220 can be made of flexible material, and the sealing ring 220 can deform when subjected to external force. For example, the sealing ring 220 may be made of rubber, graphite, or polytetrafluoroethylene.

The sealing ring body 221 is tubular. For example, the sealing ring body 221 can be a tapered tube. A plurality of first sealing protrusions 2211 are located on the inner wall of the sealing ring body 221. The first sealing protrusions 2211 surround the sealing ring body 221. A circle is provided on the inner wall, and each first sealing protrusion 2211 is arranged at intervals along the axis of the sealing ring body 221. A sealing edge 222 is provided on the outer wall of the sealing ring body 221. The sealing edge 222 is provided in a circle around the outer wall of the sealing ring body 221. .

The pressing plate 210 can be made of hard material. For example, the pressing plate 210 can be a plastic part. The mounting hole 211 on the pressing plate 210 provides an installation space for the sealing ring body 221. When the sealing ring body 221 is inserted into the mounting hole 211, the sealing edge 222 contacts the pressing plate 210 to limit the insertion amount of the sealing ring body 221. Moreover, the sealing edge 222 is connected to the pressure plate 210 , and the sealing edge 222 contacts the pressure plate 210 to close the gap between the sealing edge 222 and the pressure plate 210 .

Below, the installation and removal methods of the display device are explained. Referring to FIGS. 2 to 5 , during installation, the waterproof assembly 200 is connected between the display panel 130 and the control box 120 . Specifically, the sealing ring body 221 of the waterproof assembly 200 is inserted into the control box 120, the sealing edge 222 abuts between the pressure plate 210 and the middle frame 113, and then the pressure plate 210, the sealing edge 222 and the middle frame 113 are connected. The display panel 130 is connected to the frame 110 , and a side of the display panel 130 facing the waterproof assembly 200 is inserted into the sealing ring body 221 and contacts the first sealing protrusion 2211 in the sealing ring body 221 to achieve side pressure. For waterproofing, the second sealing protrusion 2212 contacts the side of the display panel 130 facing the waterproof assembly 200 to achieve positive pressure waterproofing.

Referring to Figures 2 and 6, during disassembly, the display panel 130 is removed from the frame 110, and the part of the display panel 130 that is inserted into the sealing ring body 221 on the side facing the waterproof assembly 200 is separated from the sealing ring body 221, thereby exposing The waterproof component 200 can be maintained beforehand at this time. When it is necessary to disassemble the waterproof assembly 200, disassemble the pressure plate 210 from the sealing edge 222 and the middle frame 113, remove the pressure plate 210, and then take off the sealing ring body 221 from the middle frame 113.

The display device provided by the embodiment of the present application is provided with a waterproof component 200. The waterproof component 200 is provided with a pressure plate 210 and a sealing ring 220. The sealing ring 220 includes a sealing ring body 221 and a sealing edge 222 surrounding the sealing ring body 221. , the pressure plate 210 is connected to the sealing edge 222, and the sealing edge 222 is fixed through the pressure plate 210, thereby avoiding the impact of the sealing edge 222 on the flatness of the display panel 130, and also preventing the sealing ring 220 from moving, thereby ensuring the overall waterproofing of the sealing ring 220 Effect. The second sealing protrusion 2212 on the sealing ring body 221 contacts the side of the display panel 130 facing the waterproof assembly 200 to achieve positive pressure waterproofing. The side of the display panel 130 facing the waterproof assembly 200 is partially inserted into the sealing ring body 221 and is in contact with the sealing ring body 221 . The first sealing protrusion 2211 in the ring body 221 contacts to achieve side pressure waterproofing.

Please continue to refer to FIG. 2 , FIG. 5 and FIG. 6 . In some embodiments, the display panel 130 includes a display body 131 and a bottom case 132 . The bottom case 132 covers the surface away from the display surface of the display body 131 . The pressure plate 210 and The bottom case 132 is in contact with the middle frame 113 , and the sealing edge 222 is in contact with the middle frame 113 .

The bottom shell 132 has a protruding portion 1321. The protruding portion 1321 is inserted into the sealing ring body 221, and the outer wall of the protruding portion 1321 is in contact with the first sealing protrusion 2211 of the waterproof assembly 200.

Specifically, the shape of the outer wall of the protrusion 1321 may match the shape of the inner wall of the sealing ring body 221 . In a natural state, the size of the outer side wall of the protrusion 1321 may be larger than the size of the inner side wall of the sealing ring body 221 . When the protruding portion 1321 is inserted into the sealing ring body 221, under the elastic action of the sealing ring body 221, the first sealing protrusion 2211 in the sealing ring body 221 hugs the outer wall of the protruding portion 1321, thereby preventing water and other liquids Enter the display panel 130 or the control box 120 to achieve side pressure waterproofing.

In this embodiment, the second sealing protrusion 2212 of the waterproof component 200 is in contact with the side of the bottom case 132 facing the middle frame 113 . Thus, positive pressure waterproofing is achieved.

As shown in Figures 2, 5 and 6, in order to facilitate the electrical connection between the display panel 130 and the control box 120, in some embodiments, the bottom shell 132 has an escape hole 1322, and the protruding portion 1321 is surrounded by the escape hole 1322. circumferential ribs;

The display panel 130 also includes a first interface 133 . The bottom case 132 and the display body 131 together form a receiving cavity 134 . The first interface 133 is located in the receiving cavity 134 , and the first interface 133 is partially inserted into the protrusion through the escape hole 1322 . Within 1321;

The control box 120 has a second interface 121 inside. The second interface 121 is partially located in the protruding portion 1321 and is plugged into the first interface 133 .

As shown in FIG. 4 , in some embodiments, the display device further includes at least one connector 300 , the pressure plate 210 has at least one countersunk hole 212 , the sealing edge 222 has at least one through hole 2223 , and the middle frame 113 has at least one countersunk hole 212 . A connecting hole 1131, the connecting piece 300 is inserted into the countersunk hole 212, the through hole 2223 and the connecting hole 1131 in sequence; the connecting piece 300 is connected to the connecting hole 1131, and the head of the connecting piece 300 is embedded in the countersunk hole 212. Therefore, the pressure plate 210 and the sealing ring 220 are firmly connected to the middle frame 113 through the connector 300 . The head of the connector 300 is embedded in the countersunk hole 212 to prevent the head of the screw from affecting the flatness of the display panel 130 .

In specific implementation, the connecting member may be a screw, and the head of the screw is located in the countersunk hole 212 .

As shown in Figures 5 and 6, in some embodiments, the two opposite surfaces of the sealing edge 222 respectively have at least one ring of third sealing protrusions 2221 and at least one ring of fourth sealing protrusions 2222. The third sealing protrusions 2221 is in contact with the pressure plate 210 , and the fourth sealing protrusion 2222 is in contact with the middle frame 113 of the control box 120 . The gap between the pressure plate 210 and the middle frame 113 is sealed by the third sealing protrusion 2221 and the fourth sealing protrusion 2222 .

Wherein, the third sealing protrusion 2221 and the fourth sealing protrusion 2222 are both arranged around the circumferential side of the sealing ring body 221 .

In specific implementation, the projection of the fourth sealing protrusion 2222 toward the third sealing protrusion 2221 is staggered from the third sealing protrusion 2221 . By staggering the arrangement of the fourth sealing protrusion 2222 and the third sealing protrusion 2221, the pressure between the pressure plate 210 and the middle frame 113 can be increased, which can better fill the gap between the pressure plate 210 and the middle frame 113. Improve sealing performance.

As shown in FIGS. 5 and 6 , specifically, at least one of the first sealing protrusion 2211 , the third sealing protrusion 2221 and the fourth sealing protrusion 2222 is an arc-shaped protrusion. This facilitates the formation of the first sealing protrusion 2211, the third sealing protrusion 2221 and the fourth sealing protrusion 2222, and when the arcuate protrusion is under pressure, the area in contact with the component abutting against it is larger, and the sealing The effect is better.

As shown in FIGS. 5 and 6 , in some embodiments, there is a gap between the second sealing protrusion 2212 and the inner side wall of the mounting hole 211 . Thereby, space is provided for the deformation of the second sealing protrusion 2212.

In this embodiment, the sealing ring body 221 is in the shape of a truncated cone, and the diameter of one end of the sealing ring body 221 decreases in sequence from the diameter of the other end of the sealing ring body 221 . Correspondingly, the protruding portion 1321 is also in the shape of a truncated cone, and the small diameter end of the protruding portion 1321 is inserted into the sealing ring body 221 through the large diameter end of the sealing ring body 221 to facilitate the insertion of the protruding portion 1321 and the sealing ring body 221 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features can be equivalently replaced; and these modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present application. scope.

Claims

A waterproof assembly, characterized by comprising a pressure plate and a sealing ring, the pressure plate having a mounting hole, the sealing ring including a sealing ring body and a sealing edge surrounding the sealing ring body, the sealing ring There is at least one ring of first sealing protrusions inside the ring body. One end of the sealing ring body forms a second sealing protrusion. The second sealing protrusion is inserted into the mounting hole. The sealing edge and the Pressure plate connection.
The waterproof assembly according to claim 1, characterized in that there is a gap between the second sealing protrusion and the inner side wall of the installation hole.
The waterproof assembly according to claim 1, wherein two opposite surfaces of the sealing edge respectively have at least one ring of third sealing protrusions and at least one ring of fourth sealing protrusions, and the third sealing protrusions Contact with the pressure plate.
The waterproof assembly according to claim 3, wherein the projection of the fourth sealing protrusion toward the third sealing protrusion is staggered from the third sealing protrusion.
The waterproof assembly according to any one of claims 1 to 4, characterized in that the sealing ring body is in the shape of a truncated cone, and the diameter of one end of the sealing ring body decreases in sequence from the diameter of the other end of the sealing ring body. Small.
A display device, characterized in that it includes a display device body and at least one waterproof assembly according to any one of claims 1 to 5, the display device body includes a frame, a control box and a plurality of display panels, the control box Each of the display panels is connected to the frame, and the waterproof component and the display panel are located on opposite sides of the frame;

The waterproof component is abutted between the display panel and the control box, and the sealing edge and pressure plate of the waterproof component are both connected to the frame.
The display device according to claim 6, wherein the display panel includes a display body and a bottom case, and the bottom case covers a surface facing away from the display surface of the display body;

The pressure plate is in contact with the bottom shell, and the sealing edge is in contact with the frame;

The bottom shell has a protruding portion, the protruding portion is inserted into the sealing ring body, and the outer side wall of the protruding portion is in contact with the first sealing protrusion of the waterproof component.
The display device according to claim 7, wherein the second sealing protrusion of the waterproof component is in contact with a side of the bottom case facing the frame.
The display device according to claim 7, wherein the bottom case has an escape hole, and the raised portion is a rib surrounding the escape hole;

The display panel also includes a first interface, the bottom case and the display body together form a receiving cavity, the first interface is located in the receiving cavity, and the first interface is partially inserted through the escape hole. located in the raised portion;

There is a second interface in the control box, and the second interface part is located in the raised part and plugged into the first interface.
The display device according to any one of claims 6 to 9, further comprising at least one connecting member, the pressure plate has at least one countersunk hole, and the sealing edge has at least one through hole, The frame includes a middle frame, the middle frame has at least one connecting hole, and the connecting piece is inserted into the countersunk hole, the through hole, and the connecting hole in sequence;

The connecting piece is connected to the connecting hole, and the head of the connecting piece is embedded in the countersunk hole.