Flexible printed circuit board structure

Abstract

The utility model relates to the technical field of printed circuit boards, and particularly discloses a flexible printed circuit board structure, which comprises a board body, the board body comprises a first board block and a second board block, an adjusting rod is connected between the first board block and the second board block, the outer side of the first board block is sleeved with a first heat dissipation frame, and the outer side of the second board block is sleeved with a second heat dissipation frame. The outer side of the first plate block is sleeved with a first heat dissipation frame, the outer side of the second plate block is sleeved with a second heat dissipation frame, a cavity is formed in one side of the first heat dissipation frame, a long-strip-shaped heat dissipation plate is fixed to one side of the second heat dissipation frame, and when the first plate block and the second plate block are spliced and folded, the cavity is matched with the heat dissipation plate; the outer rod is fixedly connected with the second plate block, one side of the inner rod is fixedly connected with the first plate block, a sleeve rod is rotationally connected to the interior of the outer rod, and a spring is fixedly connected between the sleeve rod and the inner rod; according to the utility model, the adaptability of the circuit board to the space is improved, the occupation of the space is reduced, and the practicability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit boards, in particular to a flexible printed circuit board structure. Background Art

[0002] Flexible printed circuit (FPC) is a printed circuit board made of polyimide or polyester film with high reliability and excellent flexibility. It has the characteristics of high wiring density, light weight and thin thickness, and is widely used in electronic products.

[0003] When in use, the circuit board needs to be fixedly installed inside the appliance. However, most of the existing circuit boards are flat circuit boards with an integrated structure and the internal space of the appliance is limited, which occupies a large space and is not convenient for installing multiple circuit boards or other lines, reducing the practicality of the circuit board. Some circuit boards can be folded according to the storage area, but during the folding process, pressure loss is easily caused between the circuit boards, which causes damage to the circuit boards and increases the cost of equipment use.

[0004] Therefore, those skilled in the art provide a flexible printed circuit board structure to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a flexible printed circuit board structure to solve the following technical problems:

[0006] How to improve the adaptability of circuit boards to space, reduce space occupancy, and enhance their practicality.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A flexible printed circuit board structure comprises a board body, wherein the board body comprises a first board and a second board, and an adjusting rod is connected between the first board and the second board;

[0009] A first heat dissipation frame is sleeved on the outer side of the first plate, and a second heat dissipation frame is sleeved on the outer side of the second plate. A cavity is opened on one side of the first heat dissipation frame, and a long heat dissipation plate is fixed on one side of the second heat dissipation frame. When the first plate and the second plate are spliced ​​and folded, the cavity and the heat dissipation plate cooperate with each other;

[0010] The adjusting rod comprises an outer rod and an inner rod, the outer rod is slidably sleeved on the outside of the inner rod, the outer rod is fixedly connected to the second plate, one side of the inner rod is fixedly connected to the first plate, a sleeve rod is rotatably connected inside the outer rod, and a spring is fixedly connected between the sleeve rod and the inner rod.

[0011] Furthermore, a limiting plate is fixed to one end of the inner rod, and the inner rod is connected to a spring through the limiting plate and the inner bottom of the sleeve rod.

[0012] Furthermore, the first heat dissipation frame and the second heat dissipation frame are both provided with a plurality of mounting holes, and the mounting holes are used to fix the plate body on the electrical appliance.

[0013] Furthermore, at least two support blocks are fixed on one side of the edge of the first plate, and the support blocks are cylindrical.

[0014] Furthermore, the sleeve rod is cylindrical and is made of heat-insulating material.

[0015] Furthermore, a circular plate is fixed to one side of each of the outer rod and the inner rod, one of the circular plates is fixedly connected to the first heat dissipation frame of the first plate, and one of the circular plates is fixedly connected to the second heat dissipation frame of the second plate.

[0016] Furthermore, the bottom of the support block and the circular plate are located on the same horizontal line and are both made of heat dissipation material. The outer rod is rotatably connected to the inner rod, and the outer rod limits the inner rod.

[0017] Beneficial effects of the utility model:

[0018] The utility model is provided with a first plate, a second plate and an adjusting rod. The first plate and the second plate can be horizontally unfolded, staggered and folded together through the adjusting rod. Different states can be selected for installation according to the size of the internal space of the appliance. The space adaptability is strong, the connection is stable, and pressure loss between the plates is avoided. The space can be effectively saved and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a structural schematic diagram of the first plate and the second plate of the utility model in a spliced ​​state;

[0021] Figure 2 It is a schematic diagram of the structure of the first plate and the second plate of the utility model being horizontally unfolded;

[0022] Figure 3 It is a schematic diagram of the structure in which the first plate and the second plate of the utility model are staggered and unfolded;

[0023] Figure 4 It is a schematic diagram of the internal structure of the adjusting rod of the utility model;

[0024] Figure 5 It is a schematic diagram of the internal structure of the utility model when the first plate and the second plate are staggered and unfolded;

[0025] Figure 6 yes Figure 4 A magnified image of;

[0026] Figure 7 A schematic diagram of the connection position between the card slot and the card block of the utility model.

[0027] Reference numerals:

[0028] 1. Plate body; 11. First plate; 12. Second plate; 2. First heat dissipation frame; 3. Second heat dissipation frame; 4. Adjustment rod; 31. Heat dissipation plate; 21. Cavity; 5. Mounting hole; 6. Support block; 7. Round plate; 41. Outer rod; 42. Inner rod; 43. Spring; 44. Limit plate; 45. Sleeve rod. DETAILED DESCRIPTION

[0029] 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 of 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.

[0030] Please refer to the attached Figure 1-7 A flexible printed circuit board structure in an embodiment of the utility model includes a board body 1, the board body 1 includes a first plate 11 and a second plate 12, an adjustment rod 4 is connected between the first plate 11 and the second plate 12, and the first plate 11 and the second plate 12 are folded and unfolded by the adjustment rod 4;

[0031] The first heat dissipation frame 2 is sleeved on the outer side of the first plate 11, and the second heat dissipation frame 3 is sleeved on the outer side of the second plate 12. The first heat dissipation frame 2 and the second heat dissipation frame 3 can effectively conduct the internal heat of the circuit board to the outer edge. At the same time, the first heat dissipation frame 2 and the second heat dissipation frame 3 can also protect the circuit board. A cavity 21 is opened on one side of the first heat dissipation frame 2, and a long strip heat dissipation plate 31 is fixed on one side of the second heat dissipation frame 3. When the first plate 11 and the second plate 12 are spliced ​​and folded, the cavity 21 and the heat dissipation plate 31 cooperate with each other;

[0032] The adjusting rod 4 includes an outer rod 41 and an inner rod 42. The outer rod 41 is slidably sleeved on the outside of the inner rod 42. The outer rod 41 is fixedly connected to the second plate 12. One side of the inner rod 42 is fixedly connected to the first plate 11. A sleeve rod 45 is rotatably connected inside the outer rod 41. A spring 43 is fixedly connected between the sleeve rod 45 and the inner rod 42.

[0033] refer to Figure 1-3 When the first plate 11 and the second plate 12 are spliced ​​and folded, Figure 2 Transform to Figure 1 First, pull the outer rod 41, and then the outer rod 41 drives the second plate 12 to move downward (such as Figure 3 As shown), the second plate 12 is then flipped toward the side close to the first plate 11, and the heat sink 31 is plugged into the cavity 21. Under the action of the internal spring 43, the second plate 12 can be pulled to dock with the first plate 11, effectively preventing them from deflecting and ensuring a stable connection.

[0034] A limit plate 44 is fixed at one end of the inner rod 42 , and the inner rod 42 is connected to a spring 43 between the limit plate 44 and the inner bottom of the sleeve rod 45 . The limit plate 44 slides inside the outer rod 41 , and the outer rod 41 cooperates with the limit plate 44 to limit the inner rod 42 .

[0035] The first heat dissipation frame 2 and the second heat dissipation frame 3 are both provided with a plurality of mounting holes 5, and the mounting holes 5 are used to fix the plate body 1 on the electrical appliance, which is convenient for installation, convenient for installation, will not damage the circuit board, and has strong practicality. At least two support blocks 6 are fixed on one side of the edge of the first plate 11, and the support block 6 is cylindrical, and the bottom of the support block 6 and the circular plate 7 are located on the same horizontal line, and are both made of heat dissipation material, so that the circuit board can be lifted to a certain height to facilitate its ventilation and heat dissipation, thereby further improving the heat dissipation efficiency of the circuit board.

[0036] The sleeve rod 45 is cylindrical and made of heat-insulating material, thereby effectively preventing heat from being transmitted to the spring 43 and improving the service life of the spring 43. The sleeve rod 45 is slidingly connected to the inner rod 42, and the outer rod 41 is rotatably connected to the inner rod 42, so that the outer rod 41 can drive the second plate 12 to rotate and adjust its installation state.

[0037] A circular plate 7 is fixed on one side of the outer rod 41 and the inner rod 42. One circular plate 7 is fixedly connected to the first heat dissipation frame 2 of the first plate 11, and the other circular plate 7 is fixedly connected to the second heat dissipation frame 3 of the second plate 12, thereby improving the stability of the connection between the adjusting rod 4 and the first plate 11 and the second plate 12.

[0038] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A flexible printed circuit board structure, comprising a board body (1), characterized in that: The plate body (1) comprises a first plate (11) and a second plate (12), and an adjustment rod (4) is connected between the first plate (11) and the second plate (12); A first heat dissipation frame (2) is sleeved on the outer side of the first plate (11), and a second heat dissipation frame (3) is sleeved on the outer side of the second plate (12); a cavity (21) is provided on one side of the first heat dissipation frame (2), and a long heat dissipation plate (31) is fixed on one side of the second heat dissipation frame (3); when the first plate (11) and the second plate (12) are spliced ​​and folded, the cavity (21) and the heat dissipation plate (31) cooperate with each other; The adjusting rod (4) comprises an outer rod (41) and an inner rod (42); the outer rod (41) is slidably sleeved on the outside of the inner rod (42); the outer rod (41) is fixedly connected to the second plate (12); one side of the inner rod (42) is fixedly connected to the first plate (11); a sleeve rod (45) is rotatably connected inside the outer rod (41); a spring (43) is fixedly connected between the sleeve rod (45) and the inner rod (42).

2. A flexible printed circuit board structure according to claim 1, characterized in that: A limiting plate (44) is fixed to one end of the inner rod (42), and the inner rod (42) is connected to a spring (43) between the limiting plate (44) and the inner bottom of the sleeve rod (45).

3. A flexible printed circuit board structure according to claim 1, characterized in that: The first heat dissipation frame (2) and the second heat dissipation frame (3) are both provided with a plurality of mounting holes (5), and the mounting holes (5) are used to fix the plate body (1) on the electrical appliance.

4. A flexible printed circuit board structure according to claim 1, characterized in that: At least two support blocks (6) are fixed on one side of the edge of the first plate (11), and the support blocks (6) are cylindrical.

5. A flexible printed circuit board structure according to claim 1, characterized in that: The sleeve rod (45) is cylindrical and is made of heat-insulating material.

6. A flexible printed circuit board structure according to claim 4, characterized in that: A circular plate (7) is fixed on one side of each of the outer rod (41) and the inner rod (42); one of the circular plates (7) is fixedly connected to the first heat dissipation frame (2) of the first plate (11); and one of the circular plates (7) is fixedly connected to the second heat dissipation frame (3) of the second plate (12).

7. A flexible printed circuit board structure according to claim 6, characterized in that: The bottoms of the support block (6) and the circular plate (7) are located on the same horizontal line and are both made of heat dissipation material. The outer rod (41) is rotatably connected to the inner rod (42), and the outer rod (41) limits the position of the inner rod (42).

Images