Waterproof liquid crystal display screen
The design of the outer frame structure and heat dissipation components solves the sealing and heat dissipation problems of LCD screens used outdoors, achieving waterproofing, moisture resistance, and effective heat dissipation, thus extending the lifespan of the display screen.
Patent Information
- Application Number
- CN202423002311.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-06
AI Technical Summary
When existing LCD screens are used outdoors, the casing is not completely sealed, allowing external moisture to enter and affecting the normal operation and lifespan of the screen.
It adopts an outer frame structure with internal slots and blocks to fix the LCD screen, and is connected with a sealing plate and threaded rod. Combined with a waterproof membrane and flow holes, it achieves a sealed and waterproof effect; and uses a dual-axis motor to drive the fan blades for heat dissipation.
It effectively prevents external moisture from entering, protects the display screen from damage, keeps the inside dry, prevents excessive temperature from damaging electronic components, and extends service life.
Smart Images

Figure CN223758550U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to liquid crystal display screen technical field, especially relate to a waterproof liquid crystal display screen. BACKGROUND
[0002] Liquid crystal display screen, English abbreviation for LCD full name is Liquid Crystal Display, is belong to flat -panel display.
[0003] Liquid crystal display screen is outdoor advertising good carrier, the liquid crystal display screen in the prior art is used in outdoor advertising, usually under the condition all are directly packed in the shell, because the shell around is not completely sealed, so the water vapor of outside is easy to enter the shell, thereby influence liquid crystal display screen normal work, and reduce the service life of liquid crystal display screen body. UTILITY MODEL CONTENT
[0004] The utility model discloses a waterproof liquid crystal display screen to solve at least any one problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a waterproof liquid crystal display screen, including the outer frame, the inner wall all around of outer frame is seted up with the clamping groove, the inner chamber of clamping groove all is provided with the clamping block, four clamping block between fixed connection has liquid crystal display screen, the outside all around of outer frame is fixedly connected with first connecting seat, the front of first connecting seat all is seted up with the round hole, the back of outer frame is fixedly connected with the frame cover, the front of outer frame is provided with waterproof subassembly, and the outside of outer frame is provided with the heat dissipation subassembly.
[0006] Preferably, the waterproof assembly comprises a connecting groove formed in the inner cavity of the outer frame, the inner cavity of the connecting groove is provided with a sealing plate, the outer periphery of the sealing plate is fixedly connected with a second connecting seat, the back of the second connecting seat is provided with a threaded rod which is adapted to the round hole, and the outer circle of the threaded rod is threadedly connected with a screw ring.
[0007] Preferably, the inner cavity of the sealing plate is provided with a waterproof film.
[0008] Preferably, a plurality of flow holes are formed in the two sides of the outer frame, and the flow holes are communicated with the inner cavity of the outer frame.
[0009] Preferably, the heat dissipation assembly comprises a double-shaft motor fixedly connected to the back of the outer frame and U-shaped frames on both sides, the middle part of each of the U-shaped frames is rotatably connected to a connecting rod through a bearing, the two output shafts of the double-shaft motor are respectively sleeved with a first pulley and a second pulley on one side of the connecting rod, and the other side of each of the connecting rods is sleeved with a fan blade.
[0010] Preferably, the fan blades are not in contact with the top and bottom of the inner cavity of the U-shaped frame and are separated by a distance of CM.
[0011] Preferably, the outer rings of the first pulley and the second pulley are movably sleeved with a belt.
[0012] The beneficial effects of the present application are as follows:
[0013] 1. In the present application, the sealing plate is connected to the outer frame by being clamped into the connecting groove, and the outer frame and the sealing plate are completely sealed during connection. Four threaded rods pass through the corresponding and matched circular holes to attach the first connecting seat and the second connecting seat. Then, the screw ring is rotated clockwise on the threaded rod to fix the first connecting seat and the second connecting seat. This can seal the gap between the liquid crystal display screen and the outer frame after the liquid crystal display screen is installed in the outer frame, thereby preventing external moisture from entering the liquid crystal display screen in the outer frame and reducing the service life. The waterproof membrane can prevent external moisture and water droplets from contacting the liquid crystal display screen, achieving the effect of secondary waterproofing of the liquid crystal display screen to prevent damage.
[0014] 2. In the present application, the output shaft of the double-shaft motor drives the first pulley to rotate. When rotating, the second pulley and the connecting rod are synchronously driven to rotate by the belt. When the connecting rod and the output shaft of the double-shaft motor rotate, the fan blades rotate together to generate wind power, which enters the outer frame through the flow-through hole. This can facilitate the user to blow air to the liquid crystal display screen inside the outer frame to dissipate heat, thereby preventing the temperature difference between the inside of the outer frame and the outside from being too large to produce moisture that damages the liquid crystal display screen. At the same time, it can also prevent the temperature of the liquid crystal display screen from being too high when it is running to damage the electronic components. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional structure schematic diagram of the present application;
[0016] Figure 2 It is a three-dimensional structure schematic diagram of the outer frame of the present application;
[0017] Figure 3 It is a three-dimensional structure schematic diagram of the waterproof assembly of the present application;
[0018] Figure 4 It is a three-dimensional structure schematic diagram of the heat dissipation assembly of the present application.
[0019] In the figure: 1, the outer frame; 2, the clamping groove; 3, the clamping block; 4, the liquid crystal display screen; 5, the first connecting seat; 6, the circular hole; 7, the frame cover; 8, the connecting groove; 9, the sealing plate; 10, the second connecting seat; 11, the threaded rod; 12, the screw ring; 13, the waterproof film; 14, the flow-through hole; 15, the double-shaft motor; 16, the U-shaped frame; 17, the connecting rod; 18, the first pulley; 19, the second pulley; 20, the belt; 21, the fan blade. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] The utility model provides a kind of waterproof liquid crystal display screen as Figures 1-4 As shown in the figure, a kind of waterproof liquid crystal display screen, including outer frame 1, the inner wall of outer frame 1 is all set with clamping groove 2, the inner cavity of clamping groove 2 is all provided with clamping block 3, four clamping blocks 3 are fixedly connected with liquid crystal display screen 4, the outer portion of outer frame 1 is all fixedly connected with first connecting seat 5, the front of first connecting seat 5 is all provided with circular hole 6, the back of outer frame 1 is fixedly connected with frame cover 7, the front of outer frame 1 is provided with waterproof assembly, the outer portion of outer frame 1 is provided with heat dissipation assembly.
[0022] Further, waterproof assembly, including the connecting groove 8 set in the inner cavity of outer frame 1, the inner cavity of connecting groove 8 is provided with sealing plate 9, the outer portion of sealing plate 9 is all fixedly connected with second connecting seat 10, the back of second connecting seat 10 is all provided with threaded rod 11 mutually adapted with circular hole 6, the outer circle of threaded rod 11 is all screw-connected with screw ring 12, by the waterproof assembly set, it can be sealed between the gap generated after the liquid crystal display screen 4 is installed in the inner cavity of outer frame 1 by user, so as to prevent the water vapor outside from entering the liquid crystal display screen 4 in the inner cavity of outer frame 1 to cause the service life to reduce.
[0023] Further, the inner cavity of sealing plate 9 is provided with waterproof film 13, by the waterproof film 13 set, it can prevent the water vapor and water droplets outside from contacting with liquid crystal display screen 4, so as to be able to waterproof liquid crystal display screen 4 twice to prevent damage phenomenon.
[0024] Further, the two sides of outer frame 1 are all provided with a plurality of flow-through holes 14, and the inner cavity of outer frame 1 is communicated, by the plurality of flow-through holes 14 set and communicated with the inner cavity of outer frame 1, the heat generated by liquid crystal display screen 4 in the operation in outer frame 1 can be discharged therefrom, so as to be able to reduce the temperature in outer frame 1.
[0025] Further, the heat dissipation assembly comprises a double-shaft motor 15 fixedly connected to the back of the outer frame 1 and U-shaped frames 16 on both sides, the middle parts of the U-shaped frames 16 are rotatably connected with connecting rods 17, the two output shafts of the double-shaft motor 15 are respectively sleeved with a first pulley 18 and a second pulley 19 on one side of the connecting rods 17, the other sides of the two connecting rods 17 are sleeved with fan blades 21, the fan blades 21 are not in contact with the top and bottom of the inner cavities of the U-shaped frames 16 and are separated by a distance of 2 cm, the heat dissipation assembly is arranged, so that the user can blow and dissipate heat for the liquid crystal display 4 in the outer frame 1, thereby preventing the temperature difference between the inside of the outer frame 1 and the outside from being too large to produce water vapor to damage the liquid crystal display 4, and also preventing the temperature of the liquid crystal display 4 from being too high to damage the electronic components when the liquid crystal display 4 is running, and the 2 cm distance between the fan blades 21 and the U-shaped frames 16 can prevent interference when rotating, and can prevent the fan blades 21 from not rotating normally to produce wind power.
[0026] Further, the outer rings of the first pulley 18 and the second pulley 19 are movably sleeved with a belt 20, the belt 20 is arranged, so that the second pulley 19 and the connecting rod 17 can be driven to rotate synchronously when the first pulley 18 rotates, thereby enabling the two sides of the outer frame 1 to be blown and dissipated at the same time.
[0027] In the specific implementation of the utility model, the clamping blocks 3 are clamped into the corresponding clamping grooves 2, respectively, and after clamping, the liquid crystal display 4 is driven to enter the outer frame 1, then the sealing plate 9 is clamped into the connecting groove 8 and connected with the outer frame 1, and when connected, the outer frame 1 and the sealing plate 9 are completely sealed, which will make the four threaded rods 11 pass through the corresponding and adaptive circular holes 6 to make the first connecting seat 5 and the second connecting seat 10 adhere to each other, then the screw ring 12 is rotated clockwise on the threaded rod 11 to fix the first connecting seat 5 and the second connecting seat 10, so that the user can seal the gap between the liquid crystal display 4 and the outer frame 1 after installing the liquid crystal display 4 in the outer frame 1, thereby preventing the water vapor in the outside from entering the liquid crystal display 4 in the outer frame 1 to reduce the service life of the liquid crystal display 4, and the waterproof film 13 can prevent the water vapor and water droplets in the outside from contacting the liquid crystal display 4, so that the effect of secondary waterproofing of the liquid crystal display 4 to prevent damage can be achieved, when the liquid crystal display 4 operates in the outer frame 1, the output shaft of the double-shaft motor 15 drives the first pulley 18 to rotate, and when rotating, the second pulley 19 and the connecting rod 17 are driven to rotate synchronously through the belt 20, the connecting rod 17 and the output shaft of the double-shaft motor 15 rotate to drive the fan blades 21 to rotate to generate wind power, which enters the outer frame 1 through the flow holes 14, so that the user can blow and dissipate heat for the liquid crystal display 4 in the outer frame 1, thereby preventing the temperature difference between the inside of the outer frame 1 and the outside from being too large to produce water vapor to damage the liquid crystal display 4, and also preventing the temperature of the liquid crystal display 4 from being too high to damage the electronic components when the liquid crystal display 4 is running.
[0028] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A waterproof liquid crystal display screen, comprising an outer frame (1), characterized in that: The inner wall of the outer frame (1) is provided with slots (2) on all four sides. Each slot (2) is provided with a block (3). A liquid crystal display screen (4) is fixedly connected between the four blocks (3). A first connecting seat (5) is fixedly connected to the outer side of the outer frame (1). A circular hole (6) is provided through the front of the first connecting seat (5). A frame cover (7) is fixedly connected to the back of the outer frame (1). A waterproof component is provided on the front of the outer frame (1). A heat dissipation component is provided on the outside of the outer frame (1).
2. The waterproof liquid crystal display screen according to claim 1, characterized in that: The waterproof component includes a connecting groove (8) opened in the inner cavity of the outer frame (1). A sealing plate (9) is provided in the inner cavity of the connecting groove (8). A second connecting seat (10) is fixedly connected to the outer periphery of the sealing plate (9). A threaded rod (11) that is compatible with the circular hole (6) is provided on the back of the second connecting seat (10). A threaded ring (12) is threaded to the outer ring of the threaded rod (11).
3. A waterproof liquid crystal display screen according to claim 2, characterized in that: The inner cavity of the sealing plate (9) is provided with a waterproof membrane (13).
4. A waterproof liquid crystal display screen according to claim 1, characterized in that: Several flow holes (14) are provided on both sides of the outer frame (1), and the flow holes (14) are all connected to the inner cavity of the outer frame (1).
5. A waterproof liquid crystal display screen according to claim 1, characterized in that: The heat dissipation assembly includes a dual-axis motor (15) fixedly connected to the back of the outer frame (1) and U-shaped frames (16) on both sides. The middle of each U-shaped frame (16) is rotatably connected to a connecting rod (17) via a bearing. The two output shafts of the dual-axis motor (15) and one side of the connecting rod (17) are respectively fitted with a first pulley (18) and a second pulley (19). The other side of each of the two connecting rods (17) is fitted with a fan blade (21).
6. A waterproof liquid crystal display screen according to claim 5, characterized in that: The fan blades (21) do not contact the top and bottom of the inner cavity of the U-shaped frame (16) and are all 2 cm apart.
7. A waterproof liquid crystal display screen according to claim 5, characterized in that: Both the first pulley (18) and the second pulley (19) have belts (20) movably fitted on their outer rings.