Protective device special for LED backlight source

Abstract

The utility model relates to the technical field of LED backlight sources, in particular to a special protection device for an LED backlight source, which comprises a mounting plate, an LED lamp, a PCB (printed circuit board) substrate and a mounting component, and the mounting component comprises a sliding plate, a sliding rail, a side clamp, a spring and a top plate; the spring is compressed to drive the top plate to move, meanwhile, the side clamp rotates oppositely to the sliding rail to drive the PCB substrate to slide into the mounting plate, after the PCB substrate slides into the mounting plate, the spring is loosened, the spring starts to reset, the top plate is pushed to move, the side clamp can be jacked, the position of the PCB substrate is fixed, and the situation that the LED lamp needs to be taken out of the mounting plate to mount the PCB substrate is avoided. Therefore, the problem that when an existing PCB installation structure for protecting the LED backlight source needs to be disassembled, the LED lamp needs to be taken down from an installation plate, then the PCB substrate is disassembled, and the LED lamp is prone to being damaged in the process of disassembling and assembling the LED lamp for multiple times is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED backlight sources, in particular to a special protective device for LED backlight sources. Background Art

[0002] LED backlight is mainly composed of light source, light guide plate, optical film and plastic frame. The backlight has the characteristics of high brightness, long life and uniform light emission. The service life of LED backlight is longer than that of EL and uses DC voltage.

[0003] At present, the prior art (CN216383715U) discloses a PCB board installation structure that can protect LED backlight sources, including a mounting plate, an LED lamp and a PCB substrate. The surface of the PCB substrate is provided with a mounting mechanism, and the mounting mechanism includes four fixing sleeves. The surfaces of the four fixing sleeves are fixedly connected to the PCB substrate. The surface of the fixing sleeve is slidably penetrated by a plug rod, and the port of the plug rod is fixedly connected to a fixing block. By providing a mounting mechanism, the device makes it easy to fix the PCB substrate without screws, and can avoid the inconvenience caused by using a screwdriver, and is easy to operate and use.

[0004] However, in the above method, the PCB substrate is mounted on the mounting plate by means of a card and when disassembly is required, the LED lamp must be removed from the mounting plate and then the PCB substrate must be removed. During the process of multiple disassembly and assembly of the LED lamp, it is easy to damage it. Utility Model Content

[0005] The utility model aims to provide a special protective device for LED backlight sources, aiming to solve the problem that when the existing PCB board mounting structure for protecting the LED backlight source needs to be disassembled, the LED lamp must be removed from the mounting plate and then the PCB substrate must be removed, and the LED lamp is easily damaged during the process of multiple disassembly and assembly.

[0006] To achieve the above-mentioned purpose, the utility model provides a special protective device for LED backlight source, comprising a mounting plate, an LED lamp, a PCB substrate and a mounting assembly, wherein the LED lamp is arranged at the bottom of the mounting plate, the PCB substrate is arranged between the mounting plate and the LED lamp, and the mounting assembly comprises a sliding plate, a slide rail, a side clip, a spring and a top plate;

[0007] The sliding plate is slidably connected to the mounting plate and is located on the side of the mounting plate. The sliding rail is fixedly connected to the mounting plate and is located on one side of the mounting plate. The side clamps are fixedly connected to the PCB substrate and slidably connected to the sliding rails and are located on both sides of the PCB substrate. The spring is fixedly connected to the mounting plate and is located on one side of the mounting plate. The top plate is fixedly connected to the spring and slidably connected to the side clamps and is located on a side of the spring away from the mounting plate.

[0008] Wherein, the mounting assembly further comprises a sliding cover and a positioning bolt, wherein the sliding cover is slidably connected to the mounting plate and is located on a side of the mounting plate close to the sliding plate, and the positioning bolt is threadedly connected to the mounting plate and passes through the sliding cover.

[0009] Wherein, the sliding plate includes a bottom plate, a rotating rod, a folding plate, a frame and a latch; the bottom plate is slidably connected to the mounting plate and is located on one side of the mounting plate; the rotating rod is rotatably connected to the bottom plate and is located on one side of the bottom plate; the folding plate is fixedly connected to the rotating rod and is located on a side of the rotating rod away from the bottom plate; the frame is fixedly connected to the bottom plate and is located on one side of the bottom plate; the latch is slidably connected to the folding plate and passes through the frame.

[0010] Wherein, the installation assembly further includes a fixing mechanism, and the fixing mechanism is arranged on one side of the installation plate.

[0011] Among them, the fixing mechanism includes two fixing plates, a rotating shaft, a pressure plate and a first bolt. The two fixing plates are respectively fixedly connected to the mounting plates and are located on both sides of the mounting plates. The rotating shaft is respectively rotatably connected to the two fixing plates and is located between the two fixing plates. The pressure plate is fixedly connected to the rotating shaft and is located on one side of the rotating shaft. The first bolt is threadedly connected to the LED lamp and passes through the pressure plate.

[0012] Wherein, the fixing mechanism also includes a connecting column, a disc and a second bolt, the connecting column is fixedly connected to the mounting plate and is located on the top of the mounting plate, the disc is fixedly connected to the connecting column and is located on the side of the connecting column away from the mounting plate, and the second bolt is threadedly connected to the disc and passes through the disc.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By setting the sliding plate, the sliding rail, the side clamp, the spring and the top plate, when the PCB substrate needs to be installed in the mounting plate, the sliding plate can be slid out of the mounting plate first so that it no longer blocks the sliding rail. At this time, the staff can first compress the spring to drive the top plate to move and adjust the distance between the two top plates. At the same time, the side clamp is rotated relative to the sliding rail to drive the PCB substrate to slide into the mounting plate. After the PCB substrate is slid into the mounting plate, the staff releases the spring, and the spring starts to reset, pushing the top plate to move, and can support the side clamp, so that the position of the PCB substrate on the side clamp is fixed, avoiding the need to take the LED lamp out of the mounting plate to install the PCB substrate.

[0015] 2. By setting the sliding cover and the positioning bolt, after completing the installation of the PCB substrate, the sliding cover can be slid, and the sliding cover can cover the sliding plate. At the same time, the positioning bolt is turned right, and the positioning bolt passes through the sliding cover to fix the position of the sliding cover, so that the position of the sliding plate is fixed accordingly.

[0016] 3. By setting the bottom plate, the rotating rod, the folding plate, the frame and the latch, when the PCB substrate needs to be installed, the bottom plate can be slid out of the mounting plate after the sliding cover is opened, driving the folding plate on the rotating rod to slide out accordingly. At this time, the latch can be slid out of the folding plate and no longer cooperate with the frame to clamp the folding plate. Then, the rotating rod can be rotated to drive the folding plate to rotate and rotate the folding plate to a position parallel to the mounting plate, thereby preventing the bottom plate from falling off the mounting plate when the PCB substrate is installed.

[0017] 4. By setting the fixing plate, the rotating shaft, the pressure plate and the first bolt, the rotating shaft is rotated to drive the pressure plate to rotate, so that the pressure plate can fix the position of the LED lamp, and the first bolt is right-turned, and the first bolt passes through the pressure plate to fix the position of the pressure plate.

[0018] 5. By setting the connecting column, the disc and the second bolt, and by right-turning the second bolt so that the second bolt passes through the disc, the mounting plate on the connecting column can be fixed at a designated position, making it convenient for the staff to perform subsequent installation operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0020] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0021] Figure 2 It is an overall front view of the first embodiment of the utility model.

[0022] Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0023] Figure 4 It is an overall front view of the second embodiment of the utility model.

[0024] 101-mounting plate, 102-LED lamp, 103-PCB substrate, 104-mounting assembly, 105-sliding plate, 106-slide rail, 107-side clip, 108-spring, 109-top plate, 110-slide cover, 111-positioning bolt, 112-bottom plate, 113-rotating rod, 114-folding plate, 115-frame, 116-latch, 201-fixing mechanism, 202-fixing plate, 203-rotating shaft, 204-pressing plate, 205-first bolt, 206-connecting column, 207-disc, 208-second bolt. DETAILED DESCRIPTION

[0025] The first embodiment of the present application is:

[0026] See also Figure 1-2 , Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is an overall front view of the first embodiment of the utility model.

[0027] The utility model discloses a special protective device for LED backlight source, comprising a mounting plate 101, an LED lamp 102, a PCB substrate 103 and a mounting assembly 104, wherein the mounting assembly 104 comprises a sliding plate 105, a sliding rail 106, a side clamp 107, a spring 108, a top plate 109, a sliding cover 110 and a positioning bolt 111; the sliding plate 105 comprises a bottom plate 112, a rotating rod 113, a folding plate 114, a frame 115 and a latch 116. The above-mentioned scheme solves the problem that when the existing PCB board mounting structure for protecting the LED backlight source needs to be disassembled, the LED lamp 102 must be removed from the mounting plate 101 and the PCB substrate 103 must be disassembled, and the LED lamp 102 is easily damaged during the process of multiple disassembly and assembly.

[0028] According to this specific embodiment, the LED lamp 102 is arranged at the bottom of the mounting plate 101, and the PCB substrate 103 is arranged between the mounting plate 101 and the LED lamp 102. The PCB substrate 103 is installed between the mounting plate 101 and the LED lamp 102, and then the wires of the LED lamp 102 are connected to the PCB substrate 103, so that the LED lamp 102 can operate normally.

[0029] Among them, the sliding plate 105 is slidably connected to the mounting plate 101 and is located at the side of the mounting plate 101, the sliding rail 106 is fixedly connected to the mounting plate 101 and is located at one side of the mounting plate 101, the side clamp 107 is fixedly connected to the PCB substrate 103, and is slidably connected to the sliding rail 106, and is located at both sides of the PCB substrate 103, the spring 108 is fixedly connected to the mounting plate 101 and is located at one side of the mounting plate 101, the top plate 109 is fixedly connected to the spring 108, and is slidably connected to the side clamp 107, and is located at a side of the spring 108 away from the mounting plate 101. When the PCB substrate 103 needs to be installed in the mounting plate 101, the sliding plate 105 can be slid out of the mounting plate 101 first, so that it no longer blocks the sliding rail 106. At this time, the staff can first compress the spring 108 to drive the top plate 109 to move , adjust the distance between the two top plates 109, and at the same time, rotate the side clamps 107 against the slide rails 106, thereby driving the PCB substrate 103 to slide into the mounting plate 101. After the PCB substrate 103 slides into the mounting plate 101, the staff releases the spring 108, and the spring 108 begins to reset, pushing the top plate 109 to move, and can support the side clamps 107, so that the position of the PCB substrate 103 on the side clamps 107 is fixed accordingly, avoiding the need to take the LED lamp 102 out of the mounting plate 101 to install the PCB substrate 103, and then protecting the LED lamp 102, thereby solving the problem that when the current PCB board installation structure for protecting the LED backlight source needs to be disassembled, the LED lamp 102 must be removed from the mounting plate 101, and then the PCB substrate 103 must be dismantled, and the LED lamp 102 is easily damaged during multiple disassembly and assembly.

[0030] Secondly, the sliding cover 110 is slidably connected to the mounting plate 101 and is located on a side of the mounting plate 101 close to the sliding plate 105. The positioning bolt 111 is threadedly connected to the mounting plate 101 and passes through the sliding cover 110. After the installation of the PCB substrate 103 is completed, the sliding cover 110 can be slid, and the sliding cover 110 can cover the sliding plate 105. At the same time, the positioning bolt 111 is right-turned, and the positioning bolt 111 passes through the sliding cover 110 to fix the position of the sliding cover 110, so that the position of the sliding plate 105 is fixed accordingly.

[0031] Again, the bottom plate 112 is slidably connected to the mounting plate 101 and is located on one side of the mounting plate 101. The rotating rod 113 is rotatably connected to the bottom plate 112 and is located on one side of the bottom plate 112. The folding plate 114 is fixedly connected to the rotating rod 113 and is located on a side of the rotating rod 113 away from the bottom plate 112. The frame 115 is fixedly connected to the bottom plate 112 and is located on one side of the bottom plate 112. The latch 116 is slidably connected to the folding plate 114 and passes through the frame 115. When the PCB substrate 103 needs to be installed, After the sliding cover 110 is opened, the bottom plate 112 can be slid out of the mounting plate 101, driving the folding plate 114 on the rotating rod 113 to slide out. At this time, the latch 116 can be slid out of the folding plate 114, and the folding plate 114 is no longer clamped by the frame 115. Then, the rotating rod 113 can be rotated to drive the folding plate 114 to rotate, and the folding plate 114 can be rotated to a position parallel to the mounting plate 101, so as to prevent the bottom plate 112 from falling off the mounting plate 101 when the PCB substrate 103 is installed.

[0032] The LED backlight source protection device described in this embodiment, when the PCB substrate 103 needs to be installed in the mounting plate 101, the positioning bolt 111 is rotated counterclockwise, and the positioning bolt 111 no longer presses against the sliding cover 110, so that the sliding cover 110 can be slid out of the mounting plate 101. At this time, the bottom plate 112 is slid out of the mounting plate 101, driving the folding plate 114 on the rotating rod 113 to slide out accordingly. At this time, the latch 116 can be slid out of the folding plate 114, and the folding plate 114 is no longer clamped by the frame 115. Then, the rotating rod 113 can be rotated to drive the folding plate 114 to rotate, and the folding plate 114 can be rotated to a position parallel to the mounting plate 101. The staff can first compress the spring 108 to drive the top plate 109 to move and adjust the distance between the two top plates 109. At the same time, the side clip 107 is rotated relative to the slide rail 106, thereby driving the PCB substrate 103 to slide into the mounting plate 101. After the PCB substrate 103 is slid into the mounting plate 101, the staff releases the spring 108, and the spring 108 begins to reset, pushing the top plate 109 to move, and can support the side clip 107, so that the position of the PCB substrate 103 on the side clip 107 is fixed, avoiding the need to take the LED lamp 102 out of the mounting plate 101 to install the PCB substrate 103, and then protecting the LED lamp 102, thereby solving the problem that when the current PCB board installation structure for protecting the LED backlight source needs to be disassembled, the LED lamp 102 must be removed from the mounting plate 101, and then the PCB substrate 103 must be dismantled, and the LED lamp 102 is easily damaged during multiple disassembly and assembly.

[0033] The second embodiment of the present application is:

[0034] Based on the first embodiment, please refer to Figure 3 , Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 4 It is an overall front view of the second embodiment of the utility model.

[0035] The installation assembly 104 of the LED backlight protection device of this embodiment also includes a fixing mechanism 201, which includes two fixing plates 202, a rotating shaft 203, a pressure plate 204, a first bolt 205, a connecting column 206, a disc 207 and a second bolt 208.

[0036] Among them, the two fixing plates 202 are respectively fixedly connected to the mounting plate 101 and are located on both sides of the mounting plate 101, the rotating shaft 203 is respectively rotatably connected to the two fixing plates 202 and is located between the two fixing plates 202, the pressing plate 204 is fixedly connected to the rotating shaft 203 and is located on one side of the rotating shaft 203, the first bolt 205 is threadedly connected to the LED lamp 102 and passes through the pressing plate 204, and the pressing plate 204 is driven to rotate by rotating the rotating shaft 203, so that the pressing plate 204 can fix the position of the LED lamp 102, and the first bolt 205 is right-turned, and the first bolt 205 passes through the pressing plate 204, so as to fix the position of the pressing plate 204.

[0037] Secondly, the connecting column 206 is fixedly connected to the mounting plate 101 and is located on the top of the mounting plate 101. The disc 207 is fixedly connected to the connecting column 206 and is located on the side of the connecting column 206 away from the mounting plate 101. The second bolt 208 is threadedly connected to the disc 207 and passes through the disc 207. By right-turning the second bolt 208, the second bolt 208 passes through the disc 207, so that the mounting plate 101 on the connecting column 206 can be fixed at a specified position, which is convenient for the staff to perform subsequent installation operations.

[0038] The LED backlight source protection device described in this embodiment drives the pressure plate 204 to rotate by rotating the rotating shaft 203, so that the pressure plate 204 can fix the position of the LED lamp 102, and the first bolt 205 is right-turned, and the first bolt 205 passes through the pressure plate 204, so that the position of the pressure plate 204 can be fixed, and the second bolt 208 is right-turned, and the second bolt 208 passes through the disk 207, so that the mounting plate 101 on the connecting column 206 can be fixed at a specified position, so as to facilitate the staff to perform subsequent installation operations.

[0039] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A protective device for LED backlight source, comprising a mounting plate, an LED lamp and a PCB substrate, wherein the LED lamp is arranged at the bottom of the mounting plate, and the PCB substrate is arranged between the mounting plate and the LED lamp, characterized in that: Also included are mounting components; The mounting assembly includes a sliding plate, a slide rail, a side clamp, a spring and a top plate; The sliding plate is slidably connected to the mounting plate and is located on the side of the mounting plate. The sliding rail is fixedly connected to the mounting plate and is located on one side of the mounting plate. The side clamps are fixedly connected to the PCB substrate and slidably connected to the sliding rails and are located on both sides of the PCB substrate. The spring is fixedly connected to the mounting plate and is located on one side of the mounting plate. The top plate is fixedly connected to the spring and slidably connected to the side clamps and is located on a side of the spring away from the mounting plate.

2. A LED backlight source protection device as claimed in claim 1, characterized in that: The mounting assembly further comprises a sliding cover and a positioning bolt. The sliding cover is slidably connected to the mounting plate and is located on a side of the mounting plate close to the sliding plate. The positioning bolt is threadedly connected to the mounting plate and passes through the sliding cover.

3. A LED backlight source protection device as claimed in claim 2, characterized in that: The sliding plate includes a bottom plate, a rotating rod, a folding plate, a frame and a latch; the bottom plate is slidably connected to the mounting plate and is located on one side of the mounting plate; the rotating rod is rotatably connected to the bottom plate and is located on one side of the bottom plate; the folding plate is fixedly connected to the rotating rod and is located on a side of the rotating rod away from the bottom plate; the frame is fixedly connected to the bottom plate and is located on one side of the bottom plate; the latch is slidably connected to the folding plate and passes through the frame.

4. A LED backlight source protection device as claimed in claim 3, characterized in that: The mounting assembly further comprises a fixing mechanism, and the fixing mechanism is arranged on one side of the mounting plate.

5. A LED backlight source protection device as claimed in claim 4, characterized in that: The fixing mechanism includes two fixing plates, a rotating shaft, a pressure plate and a first bolt. The two fixing plates are respectively fixedly connected to the mounting plates and are located on both sides of the mounting plates. The rotating shaft is respectively rotatably connected to the two fixing plates and is located between the two fixing plates. The pressure plate is fixedly connected to the rotating shaft and is located on one side of the rotating shaft. The first bolt is threadedly connected to the LED lamp and passes through the pressure plate.

6. A LED backlight source protection device as claimed in claim 5, characterized in that: The fixing mechanism also includes a connecting column, a disc and a second bolt. The connecting column is fixedly connected to the mounting plate and is located on the top of the mounting plate. The disc is fixedly connected to the connecting column and is located on a side of the connecting column away from the mounting plate. The second bolt is threadedly connected to the disc and passes through the disc.

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