Protection mechanism and backlight module

Abstract

The utility model discloses a protection mechanism which comprises a positioning plate, a positioning ring is arranged at the top of the positioning plate, a limiting block is arranged at the top of the positioning plate, a positioning assembly used for fixing the position of the limiting block is arranged at the connecting position of the positioning plate and the limiting block, and a threading hole is formed in the bottom of the limiting block. A positioning groove matched with the positioning ring is formed in the inner wall of the middle of the threading hole. Through the design of the positioning ring, the limiting block, the threading hole, the positioning groove, the positioning assembly and the supporting piece, during use, the limiting ring is fixedly arranged on a power line in a sleeving manner through bonding or other manners, and then the limiting block is fixed on the positioning plate through the positioning assembly, so that the limiting ring is connected in the positioning groove in a penetrating manner; when the power line is pulled, the position where the data line is sleeved with the limiting ring cannot be moved, and therefore the situation that the connecting position of the power line and the light-emitting assembly is broken and separated is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of backlight modules, in particular to a protection mechanism and a backlight module. Background Art

[0002] A backlight module generally refers to an overall module that integrates a backlight source, an optical guide structure, and other related components.

[0003] The backlight module is composed of a component for emitting light and a power cord for providing power to the light-emitting component. When in use, the power cord is used to provide power to the light-emitting component. The power cord is directly exposed to the outside. When in use, there is a possibility that the power cord may be pulled by the arm or other parts due to accidental touching, resulting in the power cord and the light-emitting component being broken and separated due to the pulling. Utility Model Content

[0004] The purpose of the utility model is to provide a protection mechanism and a backlight module to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective mechanism, including a positioning plate, a positioning ring is arranged on the top of the positioning plate, a limiting block is arranged on the top of the positioning plate, a positioning component for fixing the position of the limiting block is arranged at the connection between the positioning plate and the limiting block, a threading hole is provided at the bottom of the limiting block, a positioning groove matched with the positioning ring is provided on the inner wall in the middle of the threading hole, the threading hole is inserted and connected to the inside of the positioning groove, and a support member for supporting the positioning ring is provided at the bottom of the threading hole.

[0006] Preferably, the support member comprises a support block arranged at the bottom of the positioning ring, and the support block is fixedly connected to the top end of the positioning plate.

[0007] Preferably, the positioning assembly includes a connecting block which is centrally symmetrically fixedly connected to the top of the positioning plate, a connecting groove is centrally symmetrically opened at the bottom end of the limit block, the connecting block is inserted and connected inside the connecting groove, and a clamping piece for fixing the position of the connecting block is arranged inside the connecting groove.

[0008] Preferably, the clamping member comprises a clamping slot provided on the top of the connecting block, and a clamping block for limiting the movement of the connecting block is clamped inside the clamping slot.

[0009] Preferably, cavities are symmetrically formed on both sides of the limit block, a moving block is inserted and connected inside the cavity, and the clamping block is fixedly connected to one side of the moving block.

[0010] Preferably, one side of the moving block is fixedly connected to an elastic block, and the elastic block is fixedly connected to an inner wall of one side of the cavity.

[0011] Preferably, a through hole is formed on the inner wall on the other side of the cavity, and the card block is inserted and connected inside the through hole.

[0012] Preferably, a pressing hole is provided on the inner wall of one side of the connecting groove, and the clamping block is inserted and connected inside the pressing hole.

[0013] A backlight module comprises any one of the protection mechanisms described above, including a backlight source, and the backlight source is fixedly connected to the bottom of a positioning plate.

[0014] Preferably, a power line is provided at the input end of the backlight source, the power line is inserted and connected inside the threading hole, and the power line is inserted and connected in the middle of the positioning ring.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model adopts the design of a positioning ring, a limit block, a threading hole, a positioning groove, a positioning assembly and a support. When in use, the limit ring is fixedly sleeved on the power cord by bonding or other means, and the limit block is then fixed to the positioning plate through the positioning assembly, so that the limit ring is inserted and connected in the positioning groove, and the limit ring cannot pass through the positioning groove. When the power cord is pulled, the position where the data cable is sleeved with the limit ring cannot be moved, thereby avoiding the situation where the power cord and the light-emitting assembly are broken and separated at the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0018] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model.

[0019] Figure 3 It is a schematic diagram of the side sectional structure of the utility model.

[0020] Figure 4 It is a partial front cross-sectional structural schematic diagram of the utility model.

[0021] In the figure: 1. positioning plate; 2. positioning ring; 3. limit block; 4. threading hole; 5. positioning slot; 6. support block; 7. connecting slot; 8. connecting block; 9. card slot; 10. card block; 11. cavity; 12. through hole; 13. moving block; 14. elastic block; 15. pressing hole; 16. backlight source; 17. power cord. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-4 A protective mechanism shown includes a positioning plate 1, a positioning ring 2 is arranged on the top of the positioning plate 1, a limiting block 3 is arranged on the top of the positioning plate 1, a positioning component for fixing the position of the limiting block 3 is arranged at the connection between the positioning plate 1 and the limiting block 3, a threading hole 4 is opened at the bottom of the limiting block 3, a positioning groove 5 adapted to the positioning ring 2 is opened on the inner wall of the middle part of the threading hole 4, the threading hole 4 is inserted and connected to the inside of the positioning groove 5, and a support member for supporting the positioning ring 2 is arranged at the bottom of the threading hole 4.

[0024] It should be noted that the opened positioning groove 5 is compatible with the set positioning ring 2. When the position of the positioning ring 2 needs to be fixed, the positioning ring 2 is first placed on the top of the support, and then the limit block 3 is moved to the top of the positioning plate 1, and the positioning groove 5 at the bottom of the limit block 3 is aligned with the positioning ring 2, and the limit block 3 is moved downward so that the positioning ring 2 is inserted into the interior of the positioning groove 5, and the positioning assembly is used to fix the limit block 3 on the top of the positioning plate 1. The positioning groove 5 is restricted so that the positioning ring 2 cannot move.

[0025] Specifically, the support member includes a support block 6 disposed at the bottom of the positioning ring 2 , and the support block 6 is fixedly connected to the top of the positioning plate 1 .

[0026] It should be noted that the support block 6 is arranged at the bottom of the positioning ring 2 to support the positioning ring 2 and prevent the positioning ring 2 from moving up and down inside the positioning groove 5 .

[0027] Specifically, the positioning assembly includes a connecting block 8 which is centrally symmetrically fixedly connected to the top of the positioning plate 1, a connecting groove 7 is centrally symmetrically opened at the bottom end of the limiting block 3, the connecting block 8 is inserted and connected inside the connecting groove 7, a clamping piece for fixing the position of the connecting block 8 is arranged inside the connecting groove 7, the clamping piece includes a clamping groove 9 opened at the top of the connecting block 8, a clamping block 10 for limiting the movement of the connecting block 8 is clamped inside the clamping groove 9, cavities 11 are symmetrically opened on both sides of the limiting block 3, a moving block 13 is inserted and connected inside the cavity 11, the clamping block 10 is fixedly connected to one side of the moving block 13, an elastic block 14 is fixedly connected to one side of the moving block 13, the elastic block 14 is fixedly connected to the inner wall of one side of the cavity 11, a through hole 12 is opened on the inner wall of the other side of the cavity 11, the clamping block 10 is inserted and connected inside the through hole 12, a pressing hole 15 is opened on the inner wall of one side of the connecting groove 7, and the clamping block 10 is inserted and connected inside the pressing hole 15.

[0028] It should be noted that two connecting blocks 8 are provided, which are centrally symmetrically fixedly connected to the top of the positioning plate 1. The number of the connecting grooves 7 provided is consistent with the number of the connecting blocks 8, and the provided connecting grooves 7 are adapted to the provided connecting blocks 8. When in use, the connecting blocks 8 are used to be inserted into the interior of the connecting grooves 7; the provided clamping blocks 10 and the provided clamping grooves 9 are used to limit the connection blocks 8 from being removed from the interior of the connecting grooves 7. The provided clamping grooves 9 are located at the top of the connecting blocks 8. When fixing the position of the connecting blocks 8, the connecting blocks 8 are first inserted into the interior of the connecting grooves 7, and the clamping blocks 10 are aligned with the clamping grooves 9, and then the clamping blocks 10 are moved to the interior of the clamping grooves 9. The blocking of the clamping blocks 10 prevents the connecting blocks 8 from being removed from the connecting grooves 7, thereby achieving the position of the connecting blocks 8. The positioning plate 1 and the limit block 3 are fixed by a connecting block 8 at a fixed position; the elastic block 14 is made of rubber, so that the elastic block 14 will be deformed when squeezed, and will restore the deformation when pressure is applied; the horizontal longitudinal section of the movable block 13 is larger than the horizontal longitudinal section of the through hole 12, so that the movable block 13 cannot be moved out of the cavity 11 through the through hole 12; the through hole 12 is used to press the card block 10 out of the connecting groove 7. When the card block 10 needs to be moved out of the connecting groove 7, the card block 10 is squeezed toward one side of the elastic block 14 by a sharp object, so that the card block 10 is moved out of the connecting groove 7, thereby fixing the connecting block 8 in the connecting groove 7 and moving the connecting block 8 out of the connecting groove 7.

[0029] A backlight module adopts the above-mentioned protective mechanism, including a backlight source 16, which is fixedly connected to the bottom of the positioning plate 1, and a power cord 17 is provided at the input end of the backlight source 16. The power cord 17 is inserted and connected inside the threading hole 4, and the power cord 17 is inserted and connected in the middle of the positioning ring 2.

[0030] It should be noted that the backlight source 16 is a backlight module with model LX-12864B, there are two power cords 17, and the positioning plate 1 is fixed to one side of the backlight source 16 by glue or gas; the positioning ring 2 is fixedly sleeved on one end of the power cord 17 by bonding or other means.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A protection mechanism, comprising a positioning plate (1), characterized in that: A positioning ring (2) is arranged on the top of the positioning plate (1), a limiting block (3) is arranged on the top of the positioning plate (1), a positioning component for fixing the position of the limiting block (3) is arranged at the connection between the positioning plate (1) and the limiting block (3), a threading hole (4) is arranged at the bottom of the limiting block (3), a positioning groove (5) adapted to the positioning ring (2) is arranged on the inner wall of the middle part of the threading hole (4), the threading hole (4) is inserted and connected inside the positioning groove (5), and a support member for supporting the positioning ring (2) is arranged at the bottom of the threading hole (4).

2. A protection mechanism according to claim 1, characterized in that: The support member comprises a support block (6) arranged at the bottom of the positioning ring (2), and the support block (6) is fixedly connected to the top end of the positioning plate (1).

3. A protection mechanism according to claim 1, characterized in that: The positioning assembly comprises a connecting block (8) centrally and symmetrically fixedly connected to the top of the positioning plate (1); a connecting groove (7) is centrally and symmetrically provided at the bottom of the limiting block (3); the connecting block (8) is inserted and connected inside the connecting groove (7); and a clamping piece for fixing the position of the connecting block (8) is provided inside the connecting groove (7).

4. A protection mechanism according to claim 3, characterized in that: The clamping member comprises a clamping groove (9) formed on the top of the connecting block (8), and a clamping block (10) for limiting the movement of the connecting block (8) is clamped inside the clamping groove (9).

5. A protection mechanism according to claim 4, characterized in that: Cavities (11) are symmetrically provided on both sides of the limit block (3), a moving block (13) is inserted and connected inside the cavity (11), and the clamping block (10) is fixedly connected to one side of the moving block (13).

6. A protection mechanism according to claim 5, characterized in that: One side of the moving block (13) is fixedly connected to an elastic block (14), and the elastic block (14) is fixedly connected to the inner wall of one side of the cavity (11).

7. A protection mechanism according to claim 5, characterized in that: The inner wall on the other side of the cavity (11) is provided with a through hole (12), and the card block (10) is inserted and connected inside the through hole (12).

8. A protection mechanism according to claim 5, characterized in that: A pressing hole (15) is provided on the inner wall of one side of the connection groove (7), and the clamping block (10) is inserted and connected inside the pressing hole (15).

9. A backlight module, characterized in that: The backlight module comprises a protection mechanism according to any one of claims 1 to 8, comprising a backlight source (16), and the backlight source (16) is fixedly connected to the bottom of the positioning plate (1).

10. The backlight module according to claim 9, characterized in that: The input end of the backlight source (16) is provided with a power line (17), the power line (17) is inserted and connected inside the threading hole (4), and the power line (17) is inserted and connected in the middle of the positioning ring (2).

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