Liquid crystal module positioning structure

Abstract

The utility model relates to the technical field of liquid crystal, and discloses a liquid crystal module positioning structure which comprises an installation base, a liquid crystal module is installed in the installation base, a fixing frame is connected in the installation base in a sliding mode, a PCB is fixedly connected in the fixing frame, sliding grooves are formed in the left side and the right side of the installation base respectively, and the left side and the right side of the installation base are provided with sliding grooves. And clamping blocks are slidably connected into the two sliding grooves correspondingly, first buffer springs are arranged in the two sliding grooves correspondingly, supporting columns are slidably connected into the two first buffer springs correspondingly, shifting assemblies are arranged on the left side and the right side of the top end of the mounting base correspondingly, and two buffer assemblies are fixedly connected to the bottom end of the interior of the mounting base. According to the utility model, the fixture block is pushed by the buffer spring I to block the fixing frame and the PCB at any time, so that the possibility of loosening is reduced, the positioning tightness and stability are improved, and the overall performance and reliability of equipment are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal, in particular to a liquid crystal module positioning structure. Background Art

[0002] The positioning structure of the LCD module refers to the structure used to determine and fix the relative positions of various components in the LCD display module. These components usually include the LCD panel, drive circuit, backlight source, etc.

[0003] After searching, the existing Chinese patent announcement number is: CN216212117U, a positioning structure of a liquid crystal module, including a liquid crystal module body and a positioning component symmetrically arranged on the back of the liquid crystal module body, the positioning component includes a mounting block symmetrically fixed to the liquid crystal module body, a fixing block, a threaded rod arranged between the mounting block and the fixing block, and a mounting plate threadedly connected to the threaded rod, one end of the threaded rod is rotatably connected to the mounting block, the other end of the screw rod passes through the fixing block and is fixed with a knob, a sliding groove for accommodating a PCB board is opened on one side of the mounting plate facing inward, and a plurality of spring rods for accommodating PCB boards of different thicknesses are arranged in the sliding groove. The device solves the problem that the positioning structure of the traditional liquid crystal module will cause the gap between the liquid crystal module and the PCB board to be too large.

[0004] In the specific implementation of the above patent, the two ends of the PCB board are respectively inserted into the slide groove, and the spring rod 8 is used to fix it. The spring rod 8 can also be used to fix different PCB boards. After the spring rod 8 is stable, the PCB board and the spring rod 8 are a whole. According to the actual positioning requirements, the knob 5 is rotated, and the threaded rod 7 is rotated, so that the mounting plate 3 moves up and down, and then the PCB board moves up and down, and finally the distance between the PCB board and the liquid crystal module body 1 can be changed, which solves the problem that the positioning structure of the traditional liquid crystal module will cause the gap between the liquid crystal module and the PCB board to be too large. In this patent, the mounting plate is moved up and down by the threaded rod, and then the PCB board is moved up and down, and then the gap between the liquid crystal module and the PCB board can be effectively changed, which is beneficial to the later maintenance. However, in this patent, the mounting plate is threadedly connected to the threaded rod, and the PCB board is placed on the mounting plate. After long-term use, the contact surface between the mounting plate and the threaded rod is worn, which may loosen the threaded connection, reduce the tightness and stability of the connection, and then affect the stability of the PCB board, and affect the overall performance and reliability of the equipment. For this reason, a liquid crystal module positioning structure is proposed to solve the above problems. Utility Model Content

[0005] In order to remedy the above deficiencies, the utility model provides a liquid crystal module positioning structure, which aims to improve the problem that in the prior art, a mounting plate is threadedly connected to a threaded rod, and a PCB board is placed on the mounting plate. After long-term use, the contact surface between the mounting plate and the threaded rod wears, which may loosen the threaded connection, reduce the tightness and stability of the connection, and further affect the stability of the PCB board, affecting the overall performance and reliability of the equipment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A liquid crystal module positioning structure, comprising a mounting seat, a liquid crystal module is mounted inside the mounting seat, a fixing frame is slidably connected inside the mounting seat, a PCB board is fixedly connected inside the fixing frame, sliding grooves are provided inside the left and right sides of the mounting seat, a card block is slidably connected inside the two sliding grooves, a buffer spring 1 is provided inside the two sliding grooves, a support column is slidably connected inside the two buffer springs 1, a toggle assembly is provided on the left and right sides of the top of the mounting seat, and two buffer assemblies are fixedly connected to the bottom end of the mounting seat;

[0008] As a further description of the above technical solution:

[0009] Each of the toggle assemblies comprises a toggle slot and a toggle rod, wherein the toggle slot is provided at the top end of the mounting seat, the outer side of the toggle rod is slidably connected to the inside of the toggle slot, and the bottom end of the toggle rod is fixedly connected to the top end of the clamping block;

[0010] As a further description of the above technical solution:

[0011] Each of the buffer components includes two limit rods, two buffer springs, a placement plate, two limit columns and two limit plates, the bottom ends of the two limit rods are fixedly connected to the inner bottom end of the mounting seat, the buffer springs are respectively sleeved on the outer sides of the two limit rods, the inner side of the placement plate is slidably connected to the outer sides of the two limit rods, the bottom ends of the two limit columns are fixedly connected to the inner bottom end of the mounting seat, and the bottom ends of the two limit plates are respectively fixedly connected to the top ends of the two limit columns;

[0012] As a further description of the above technical solution:

[0013] The outer sides of the two limit rods are slidably connected to the inside of the fixing frame, and the outer sides of the two limit columns are slidably connected to the inside of the placement plate;

[0014] As a further description of the above technical solution:

[0015] The bottom ends of the two buffer springs are fixedly connected to the inner bottom end of the mounting seat, and the top ends of the two buffer springs are fixedly connected to the bottom end of the placement plate;

[0016] As a further description of the above technical solution:

[0017] The top end of the placement plate contacts the bottom end of the fixing frame, and the bottom end of the limiting piece contacts the top end of the placement plate;

[0018] As a further description of the above technical solution:

[0019] The bottom ends of the two clamping blocks are in contact with the top end of the fixing frame, and the adjacent ends of the two support columns are fixedly connected to the distant ends of the two clamping blocks respectively;

[0020] As a further description of the above technical solution:

[0021] The two buffer springs 1 are respectively sleeved on the outer sides of the two support columns, and the proximal ends of the two buffer springs 1 are respectively fixedly connected to the distal ends of the two clamping blocks.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the clamp block is pushed by the buffer spring to block the fixing frame and the PCB board at all times, thereby reducing the possibility of loosening, improving the tightness and stability of positioning, and ensuring the overall performance and reliability of the equipment.

[0024] 2. In the present invention, the buffer device is used to buffer the PCB board, thereby effectively reducing the external vibration and impact on the PCB board, reducing the risk of damage to the PCB board, and reducing the damage or failure caused by external environmental factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a liquid crystal module positioning structure proposed by the utility model;

[0026] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0027] Figure 3 This is a structural schematic diagram of a clamping block of a liquid crystal module positioning structure proposed by the utility model;

[0028] Figure 4 The present invention is a schematic structural diagram of a limiting column of a liquid crystal module positioning structure proposed by the present invention.

[0029] Legend:

[0030] 1. Mounting seat; 2. LCD module; 3. Fixing frame; 4. PCB board; 5. Sliding slot; 6. Block; 7. Buffer spring 1; 8. Support column; 9. Toggle lever; 10. Limit lever; 11. Buffer spring 2; 12. Placement plate; 13. Limit column; 14. Limit sheet; 15. Toggle slot. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1 - Figure 3 , an embodiment of the utility model provides: a liquid crystal module positioning structure, including a mounting seat 1, a liquid crystal module 2 is installed inside the mounting seat 1, a fixing frame 3 is slidably connected inside the mounting seat 1, a PCB board 4 is fixedly connected inside the fixing frame 3, sliding grooves 5 are opened inside the left and right sides of the mounting seat 1, the sliding grooves 5 are designed to conveniently accommodate a card block 6, a buffer spring 7 and a support column 8, the two sliding grooves 5 are slidably connected inside with a card block 6, the card block 6 is designed to conveniently fix the fixing frame 3, the two sliding grooves 5 are provided with a buffer spring 7, the buffer spring 7 is designed to facilitate pushing the card block 6, the two buffer springs 7 are slidably connected inside with a support column 8, the support column 8 is designed to facilitate supporting the buffer spring 7 and limiting the card block 6, the left and right sides of the top of the mounting seat 1 are opened with a toggle assembly, and the bottom end of the mounting seat 1 is fixedly connected with two buffer assemblies.

[0033] like Figure 1 - Figure 3 As shown, each toggle assembly includes a toggle slot 15 and a toggle rod 9. The toggle slot 15 is opened at the top of the mounting seat 1, and the outer side of the toggle rod 9 is slidably connected to the inside of the toggle slot 15. The bottom end of the toggle rod 9 is fixedly connected to the top of the block 6. The toggle slot 15 is designed to facilitate the toggle of the toggle rod 9, and the toggle rod 9 is designed to facilitate the driving of the block 6. The bottom ends of the two blocks 6 are in contact with the top of the fixing frame 3, and the block 6 is designed to facilitate the fixing of the fixing frame 3. The proximal ends of the two support columns 8 are respectively fixedly connected to the far ends of the two blocks 6. The support columns 8 are designed to facilitate the support of the buffer spring 7 and the limiting of the block 6. The two buffer springs 7 are respectively sleeved on the outer sides of the two support columns 8. The proximal ends of the two buffer springs 7 are respectively fixedly connected to the far ends of the two blocks 6. The buffer spring 7 is designed to facilitate the pushing of the block 6.

[0034] like Figure 4 As shown, each buffer assembly includes two limit rods 10, two buffer springs 11, a placement plate 12, two limit columns 13 and two limit plates 14. The bottom ends of the two limit rods 10 are fixedly connected to the inner bottom end of the mounting seat 1. The limit rods 10 are designed to limit the fixing frame 3 and support the buffer springs 11. The buffer springs 11 are respectively sleeved on the outside of the two limit rods 10. The buffer springs 11 are designed to push the placement plates 12 so that the placement plates 12 push the fixing frame 3. The inside of the placement plate 12 is slidably connected to the outside of the two limit rods 10. The bottom ends of the two limit columns 13 are fixedly connected to the inner bottom end of the mounting seat 1. The bottom ends of the two limit plates 14 are respectively fixedly connected to the top ends of the two limit columns 13. The limit columns 13 are designed to cooperate with the limit plates 14 to limit the placement plate 12.

[0035] The outer sides of the two limit rods 10 are slidably connected to the inside of the fixing frame 3. The limit rods 10 are designed to limit the fixing frame 3 and support the buffer spring 11. The outer sides of the two limit columns 13 are slidably connected to the inside of the placement plate 12. The limit column 13 is designed to cooperate with the limit plate 14 to limit the placement plate 12. The bottom ends of the two buffer springs 11 are fixedly connected to the inner bottom ends of the mounting seat 1. The top ends of the two buffer springs 11 are fixedly connected to the bottom ends of the placement plate 12. The buffer spring 11 is designed to push the placement plate 12 so that the placement plate 12 pushes the fixing frame 3. The top end of the placement plate 12 contacts the bottom end of the fixing frame 3. The placement plate 12 is designed to push the fixing frame 3 under the push of the buffer spring 11. The bottom end of the limit plate 14 contacts the top end of the placement plate 12. The limit plate 14 is designed to cooperate with the limit column 13 to limit the placement plate 12.

[0036] Working principle: PCB board 4 and liquid crystal module 2 are connected with wires. When the PCB board 4 needs to be positioned, the fixing frame 3 is aligned with the limit rod 10, and then the fixing frame 3 is lowered. The fixing frame 3 will squeeze the card block 6 when pressed down. When the level of the fixing frame 3 is lower than the level of the card block 6, the buffer spring 1 7 will push the card block 6 to make the card block 6 pop out again to fix the fixing frame 3. At this time, release the hand pressing down the PCB board 4, and the buffer spring 2 11 will push the fixing frame 3 to make the fixing frame 3 close to the bottom end of the card block 6. In this way, the positioning of the fixing frame 3 and the PCB board 4 is completed. By letting the card block Pushed by the buffer spring 1 7, block 6 blocks the fixing frame 3 and the PCB board 4 at all times, reducing the possibility of loosening, improving the tightness and stability of positioning, and ensuring the overall performance and reliability of the equipment. When an external impact occurs, the fixing frame 3 will press down the placement plate 12, so that the placement plate 12 squeezes the buffer spring 2 11 to complete the buffering of the PCB board 4. By using the buffer device to buffer the PCB board 4, the external vibration and impact on the PCB board 4 can be effectively reduced, reducing its risk of damage, and reducing damage or failure caused by external environmental factors.

[0037] 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, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to 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 liquid crystal module positioning structure, comprising a mounting seat (1), characterized in that: A liquid crystal module (2) is installed inside the mounting seat (1), a fixing frame (3) is slidably connected inside the mounting seat (1), a PCB board (4) is fixedly connected inside the fixing frame (3), sliding grooves (5) are provided inside the left and right sides of the mounting seat (1), a clamping block (6) is slidably connected inside the two sliding grooves (5), a buffer spring (7) is provided inside the two sliding grooves (5), a support column (8) is slidably connected inside the two buffer springs (7), a toggle assembly is provided on the left and right sides of the top of the mounting seat (1), and two buffer assemblies are fixedly connected to the bottom of the mounting seat (1).

2. The liquid crystal module positioning structure according to claim 1, characterized in that: Each of the toggle assemblies comprises a toggle slot (15) and a toggle rod (9); the toggle slot (15) is arranged at the top end of the mounting seat (1); the outer side of the toggle rod (9) is slidably connected to the inside of the toggle slot (15); and the bottom end of the toggle rod (9) is fixedly connected to the top end of the clamping block (6).

3. The liquid crystal module positioning structure according to claim 1, characterized in that: Each of the buffer components comprises two limit rods (10), two buffer springs (11), a placement plate (12), two limit columns (13) and two limit plates (14); the bottom ends of the two limit rods (10) are fixedly connected to the inner bottom end of the mounting seat (1); the buffer springs (11) are respectively sleeved on the outer sides of the two limit rods (10); the interior of the placement plate (12) is slidably connected to the outer sides of the two limit rods (10); the bottom ends of the two limit columns (13) are fixedly connected to the inner bottom end of the mounting seat (1); and the bottom ends of the two limit plates (14) are respectively fixedly connected to the top ends of the two limit columns (13).

4. The liquid crystal module positioning structure according to claim 3, characterized in that: The outer sides of the two limiting rods (10) are slidably connected to the inside of the fixing frame (3), and the outer sides of the two limiting columns (13) are slidably connected to the inside of the placement plate (12).

5. The liquid crystal module positioning structure according to claim 3, characterized in that: The bottom ends of the two buffer springs (11) are fixedly connected to the inner bottom end of the mounting seat (1), and the top ends of the two buffer springs (11) are fixedly connected to the bottom end of the placement plate (12).

6. The liquid crystal module positioning structure according to claim 3, characterized in that: The top end of the placement plate (12) contacts the bottom end of the fixing frame (3), and the bottom end of the limiting plate (14) contacts the top end of the placement plate (12).

7. The liquid crystal module positioning structure according to claim 1, characterized in that: The bottom ends of the two clamping blocks (6) are in contact with the top end of the fixing frame (3), and the proximal ends of the two support columns (8) are respectively fixedly connected to the distal ends of the two clamping blocks (6).

8. The liquid crystal module positioning structure according to claim 1, characterized in that: The two buffer springs (7) are respectively sleeved on the outside of the two support columns (8), and the adjacent ends of the two buffer springs (7) are respectively fixedly connected to the distant ends of the two clamping blocks (6).

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