Waterproof fixing structure of backlight source

By designing the waterproof fixing structure of the backlight source and using the combination of waterproof shell and fixing device, the problem of water vapor entering the backlight device after long-term use is solved, achieving the waterproof effect and extension of service life.

CN222762365UActive Publication Date: 2025-04-15ANHUI DIXIAN ELECTRONICS CO LTD
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Patent Information

Application Number
CN202420883670.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-26
Publication Date
2025-04-15
Estimated Expiration
2034-04-26

AI Technical Summary

Technical Problem

After long-term use of the backlight device, the water vapor in the air will enter the inside of the backlight, affecting the surface of the backlight, and greatly shortening the service life of the backlight.

Method used

A waterproof fixing structure for backlight sources is designed, including a waterproof shell and fixing device. The inner surface of the waterproof shell is equipped with a backlight plate, and a clamping groove and a mounting groove are provided on the surface. The fixing device includes a clamping plate, a protective plate, a mounting rod, a sliding rod and a sealing gasket. Through the sliding and fixed connections of these components, the waterproof effect of the backlight plate is achieved.

Benefits of technology

By setting up a fixing device, the backlight plate is placed in the waterproof shell, the waterproof effect of the backlight plate is achieved, waterproofing is avoided, water vapor is increased, the service life of the backlight is extended, and the practicality of the device is improved.

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Abstract

The utility model relates to the technical field of backlight sources, in particular to a waterproof fixing structure of a backlight source. The backlight module comprises a waterproof shell, a backlight panel is mounted on the inner surface of the waterproof shell, a clamping groove and three mounting grooves are formed in the surface of the waterproof shell, a fixing device is arranged on the inner surface of the clamping groove of the waterproof shell, the fixing device comprises a clamping plate, and the clamping plate is in sliding connection with the inner surface of the clamping groove of the waterproof shell. A protection plate is fixedly connected to the surface of the clamping plate, three mounting rods are fixedly connected to the side, close to the clamping plate, of the protection plate, the arc surfaces of the mounting rods are slidably connected with the inner surface of the waterproof shell mounting groove, and fixing holes are formed in the surface of the clamping plate. The problems that in the prior art, after backlight source equipment is used for a long time, water vapor in air can enter the interior of a backlight source, the illumination condition of the backlight source is affected, and meanwhile the service life of the backlight source is greatly shortened are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of backlight sources, in particular to a waterproof fixing structure of a backlight source. Background Art

[0002] Backlight is a light source behind the liquid crystal display (LCD), and its luminous effect will directly affect the visual effect of the liquid crystal display module (LCM). The LCD itself does not emit light, it displays graphics or the result of its light modulation.

[0003] The inventor believes that the following defects often exist: after the backlight source device is used for a long time, water vapor in the air will enter the interior of the backlight source, affecting the illumination of the backlight source and greatly shortening the service life of the backlight source; therefore, a waterproof fixing structure of the backlight source is proposed to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art that after the backlight source equipment is used for a long time, water vapor in the air will enter the interior of the backlight source, affecting the illumination of the backlight source and greatly shortening the service life of the backlight source, and to propose a waterproof fixing structure for the backlight source.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a waterproof fixing structure of a backlight source, comprising a waterproof shell, a backlight source panel is installed on the inner surface of the waterproof shell, a clamping groove and three mounting grooves are provided on the surface of the waterproof shell, a fixing device is provided on the inner surface of the clamping groove of the waterproof shell, the fixing device comprises a clamping plate, the clamping plate is slidably connected to the inner surface of the clamping groove of the waterproof shell, a protective plate is fixedly connected to the surface of the clamping plate, three mounting rods are fixedly connected to the side of the protective plate close to the clamping plate, the arc surface of the mounting rod is slidably connected to the inner surface of the mounting groove of the waterproof shell, a fixing hole is provided on the surface of the clamping plate, a sliding rod is slidably connected to the inner surface of the positioning hole of the clamping plate, the arc surface of the sliding rod is slidably connected to the waterproof shell, the arc surface of the sliding rod is slidably connected to the waterproof shell, the arc surface of the sliding rod is slidably connected to the L-shaped plate, the L-shaped plate is fixedly connected to the side wall of the waterproof shell, one end of the sliding rod is fixedly connected to a pull plate, and a sealing gasket is fixedly connected to the side of the protective plate close to the waterproof shell.

[0006] The effect achieved by the above components is: by setting up a fixing device, the backlight source panel is placed in a waterproof shell, thereby achieving the effect of waterproofing the backlight source panel, avoiding the situation where water vapor in the air enters the backlight source panel after long-term use, affecting the service life of the backlight source panel, thereby improving the practicality of the device.

[0007] Preferably, a diffusion plate is adhered to a side of the protection plate close to the backlight source plate, and the diffusion plate is in contact with the surface of the backlight source plate.

[0008] The effects achieved by the above components are: achieving the effect of focusing the backlight source panel and improving the practicability of the device.

[0009] Preferably, the arc surface of the sliding rod is sleeved with a spring, and two ends of the spring are fixedly connected to the pulling plate and the L-shaped plate respectively.

[0010] The effect achieved by the above components is that under the action of the spring, the stability of the sliding rod in the fixing hole of the clamping plate is improved.

[0011] Preferably, a limiting groove is provided on the arc surface of the sliding rod, a limiting rod is slidably inserted into the L-shaped plate, and the arc surface of the limiting rod is slidably connected to the inner surface of the limiting groove of the sliding rod.

[0012] The effects achieved by the above components are: achieving the effect of limiting the stretched sliding rod, making it easy to remove the protective plate from the waterproof shell, check the use of the backlight panel, and improve the practicability of the device.

[0013] Preferably, connecting plates are fixedly connected to both sides of the protective plate, and the size of the limiting rod is matched with the size of the limiting groove of the sliding rod.

[0014] The effect achieved by the above components is that the connecting plate drives the protective plate to be removed from the waterproof shell through the connecting plate, thereby improving the practicality of the device.

[0015] Preferably, a buffer device is provided on the inner surface of the waterproof shell, and the buffer device includes two telescopic rods, the telescopic rods are fixedly connected to the inner surface of the waterproof shell, one end of the telescopic rods is fixedly connected to a buffer plate, one side of the buffer plate is fixedly connected to two buffer springs, one end of the two buffer springs away from the buffer plate is fixedly connected to the inner surface of the waterproof shell, and the buffer plate is slidably connected to the surface of the backlight panel.

[0016] The effect achieved by the above components is: by setting the buffer device, a certain buffering effect is achieved on the backlight panel, avoiding the backlight panel placed in the waterproof shell from shaking during transportation, causing damage to the backlight panel, and improving the practicality of the device.

[0017] Preferably, a protective pad is fixedly connected to a side of the buffer plate away from the telescopic rod, and the material of the protective pad is rubber.

[0018] The effects achieved by the above components are: achieving a certain protection effect on the backlight source panel and improving the practicability of the device.

[0019] In summary, the beneficial effects of the utility model are:

[0020] 1. In the utility model, by setting a fixing device, the backlight source panel is placed in a waterproof shell, thereby achieving the effect of waterproofing the backlight source panel, avoiding the situation in which water vapor in the air enters the backlight source panel after long-term use, thereby affecting the service life of the backlight source panel, and improving the practicality of the device.

[0021] 2. In the utility model, by providing a buffer device, a certain buffering effect is achieved on the backlight source panel, thereby preventing the backlight source panel placed in the waterproof shell from shaking during transportation, which may cause damage to the backlight source panel, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the fixing device in the utility model;

[0024] Figure 3 For the utility model Figure 2 A magnified image of point A;

[0025] Figure 4 It is a partial structural schematic diagram of the fixing device in the utility model;

[0026] Figure 5 It is a structural schematic diagram of the buffer device in the utility model.

[0027] Legend: 1. Waterproof shell; 2. Backlight panel; 3. Fixing device; 301. Snap-in plate; 302. Protective plate; 303. Mounting rod; 304. Sliding rod; 305. L-shaped plate; 306. Pull plate; 307. Sealing gasket; 308. Diffuser plate; 309. Spring; 310. Limiting rod; 311. Connecting plate; 4. Buffer device; 41. Telescopic rod; 42. Buffer plate; 43. Buffer spring; 44. Protective pad. DETAILED DESCRIPTION

[0028] Reference Figure 1 and Figure 5As shown, the utility model provides a technical solution: a waterproof fixing structure of a backlight source, comprising a waterproof shell 1, a backlight panel 2 is installed on the inner surface of the waterproof shell 1, a clamping groove and three installation grooves are opened on the surface of the waterproof shell 1, and a fixing device 3 is provided on the inner surface of the clamping groove of the waterproof shell 1. By setting the fixing device 3, the backlight panel 2 is placed in the waterproof shell 1, and the backlight panel 2 is waterproofed, which avoids the water vapor in the air entering the backlight panel 2 after the backlight panel 2 is used for a long time, thereby affecting the service life of the backlight panel 2, and improving the practicality of the device. The inner surface of the waterproof shell 1 is provided with a buffer device 4. By setting the buffer device 4, a certain buffering effect is achieved on the backlight panel 2, which avoids the backlight panel 2 placed in the waterproof shell 1 from shaking during transportation, thereby causing damage to the backlight panel 2, and improving the practicality of the device.

[0029] The specific arrangement and function of the fixing device 3 and the buffer device 4 will be described in detail below.

[0030] Reference Figure 2 , Figure 3 and Figure 4As shown, in this embodiment: the fixing device 3 includes a clamping plate 301, the clamping plate 301 is slidably connected to the inner surface of the clamping groove of the waterproof shell 1, the surface of the clamping plate 301 is fixedly connected to a protective plate 302, and the side of the protective plate 302 close to the clamping plate 301 is fixedly connected to three mounting rods 303, the arc surface of the mounting rod 303 is slidably connected to the inner surface of the mounting groove of the waterproof shell 1, the surface of the clamping plate 301 is provided with a fixing hole, and the inner surface of the positioning hole of the clamping plate 301 is slidably connected to a sliding The arc surface of the sliding rod 304 is slidably connected to the waterproof shell 1, the arc surface of the sliding rod 304 is slidably connected to an L-shaped plate 305, the L-shaped plate 305 is fixedly connected to the side wall of the waterproof shell 1, one end of the sliding rod 304 is fixedly connected to a pull plate 306, a side of the protective plate 302 close to the waterproof shell 1 is fixedly connected to a sealing gasket 307, a side of the protective plate 302 close to the backlight panel 2 is adhered to a diffusion plate 308, and the diffusion plate 308 is in contact with the surface of the backlight panel 2, so as to achieve the effect of the waterproof shell 1. The backlight panel 2 performs the focusing effect, which improves the practicality of the device. The arc surface of the sliding rod 304 is sleeved with a spring 309. The two ends of the spring 309 are respectively fixedly connected to the pull plate 306 and the L-shaped plate 305. Under the action of the spring 309, the stability of the sliding rod 304 in the fixing hole of the clamping plate 301 is improved. The arc surface of the sliding rod 304 is provided with a limiting groove. A limiting rod 310 is slidably inserted in the L-shaped plate 305. The arc surface of the limiting rod 310 is in contact with the limiting groove of the sliding rod 304. The inner surface of the protective plate 302 is slidably connected to the inner surface, thereby achieving the effect of limiting the stretched sliding rod 304, making it easy to remove the protective plate 302 from the waterproof shell 1 and check the usage of the backlight panel 2, thereby improving the practicability of the device. Both sides of the protective plate 302 are fixedly connected with connecting plates 311, and the size of the limiting rod 310 is matched with the size of the limiting groove of the sliding rod 304. The connecting plate 311 drives the protective plate 302 to be removed from the waterproof shell 1 through the connecting plate 311, thereby improving the practicability of the device.

[0031] Reference Figure 5 As shown, specifically, the buffer device 4 includes two telescopic rods 41, the telescopic rods 41 are fixedly connected to the inner surface of the waterproof shell 1, one end of the telescopic rod 41 is fixedly connected to a buffer plate 42, one side of the buffer plate 42 is fixedly connected to two buffer springs 43, one end of the two buffer springs 43 away from the buffer plate 42 is fixedly connected to the inner surface of the waterproof shell 1, the buffer plate 42 is slidably connected to the surface of the backlight panel 2, and the side of the buffer plate 42 away from the telescopic rod 41 is fixedly connected to a protective pad 44, the material of the protective pad 44 is rubber material, which achieves a certain protection effect on the backlight panel 2 and improves the practicability of the device.

[0032] Working principle: when it is necessary to protect the backlight panel 2, pull the pull plate 306 to drive the sliding rod 304 to slide in the L-shaped plate 305, and the sliding rod 304 slides out from the fixing hole of the clamping plate 301. The spring 309 is in a stretched state, pushing the limiting rod 310 to slide in the L-shaped plate 305 until the limiting rod 310 slides into the limiting hole of the sliding rod 304, thereby achieving the effect of limiting the stretched sliding rod 304. Pull the connecting plate 311 to drive the protective plate 302, and the protective plate 302 drives the clamping plate 301 and the three mounting rods 303 to slide out of the waterproof shell 1, and then place the backlight panel 2 on the buffer plate 42 inside the waterproof shell 1, and then install the protective plate 302 on the waterproof shell 1. The diffusion plate 308 fits with the backlight panel 2, and the protective The clamping plate 301 and the mounting rod 303 on the protective plate 302 slide into the waterproof shell 1, and the sealing gasket 307 on the protective plate 302 fits with the waterproof shell 1. At this time, the limiting rod 310 is pulled to slide in the L-shaped plate 305 until the limiting rod 310 slides out of the limiting groove of the sliding rod 304, and the limiting of the sliding rod 304 is released. Under the action of the spring 309, the sliding rod 304 is automatically bounced into the fixing hole of the clamping plate 301. By setting the fixing device 3, the backlight panel 2 is placed in the waterproof shell 1, and the backlight panel 2 is waterproofed. This avoids the situation where water vapor in the air enters the backlight panel 2 after long-term use, affecting the service life of the backlight panel 2, thereby improving the practicability of the device.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A waterproof fixing structure of a backlight source, comprising a waterproof housing (1), characterized in that: A backlight panel (2) is installed on the inner surface of the waterproof shell (1); a snap-in groove and three mounting grooves are provided on the surface of the waterproof shell (1); a fixing device (3) is provided on the inner surface of the snap-in groove of the waterproof shell (1); the fixing device (3) comprises a snap-in plate (301); the snap-in plate (301) is slidably connected to the inner surface of the snap-in groove of the waterproof shell (1); a protective plate (302) is fixedly connected to the surface of the snap-in plate (301); three mounting rods (303) are fixedly connected to the side of the protective plate (302) close to the snap-in plate (301); the arc surface of the mounting rod (303) is in contact with the waterproof shell (1) The inner surface of the installation groove is slidably connected, the surface of the clamping plate (301) is provided with a fixing hole, the inner surface of the positioning hole of the clamping plate (301) is slidably connected with a sliding rod (304), the arc surface of the sliding rod (304) is slidably connected with the waterproof shell (1), the arc surface of the sliding rod (304) is slidably connected with an L-shaped plate (305), the L-shaped plate (305) is fixedly connected with the side wall of the waterproof shell (1), one end of the sliding rod (304) is fixedly connected with a pulling plate (306), and the side of the protective plate (302) close to the waterproof shell (1) is fixedly connected with a sealing gasket (307).

2. The waterproof fixing structure of a backlight source according to claim 1, characterized in that: A diffusion plate (308) is adhered to one side of the protection plate (302) close to the backlight source plate (2), and the diffusion plate (308) is in contact with the surface of the backlight source plate (2).

3. The waterproof fixing structure of a backlight source according to claim 1, characterized in that: The arc surface of the sliding rod (304) is sleeved with a spring (309), and the two ends of the spring (309) are respectively fixedly connected to the pulling plate (306) and the L-shaped plate (305).

4. The waterproof fixing structure of a backlight source according to claim 1, characterized in that: The arc surface of the sliding rod (304) is provided with a limiting groove, and a limiting rod (310) is slidably inserted in the L-shaped plate (305), and the arc surface of the limiting rod (310) is slidably connected to the inner surface of the limiting groove of the sliding rod (304).

5. The waterproof fixing structure of a backlight source according to claim 4, characterized in that: Both sides of the protection plate (302) are fixedly connected with connecting plates (311), and the size of the limiting rod (310) is matched with the size of the limiting groove of the sliding rod (304).

6. The waterproof fixing structure of a backlight source according to claim 1, characterized in that: The inner surface of the waterproof shell (1) is provided with a buffer device (4), and the buffer device (4) comprises two telescopic rods (41), the telescopic rods (41) are fixedly connected to the inner surface of the waterproof shell (1), one end of the telescopic rod (41) is fixedly connected to a buffer plate (42), one side of the buffer plate (42) is fixedly connected to two buffer springs (43), one end of the two buffer springs (43) away from the buffer plate (42) is fixedly connected to the inner surface of the waterproof shell (1), and the buffer plate (42) is slidably connected to the surface of the backlight source panel (2).

7. The waterproof fixing structure of a backlight source according to claim 6, characterized in that: A protective pad (44) is fixedly connected to the side of the buffer plate (42) away from the telescopic rod (41), and the material of the protective pad (44) is rubber.