CN219812320U

CN219812320U - FPC and PCBA welded structure that compactibility is good

Info

Publication number: CN219812320U
Application number: CN202320101559.8U
Authority: CN
Inventors: 刘亮
Original assignee: Laster Tech Electronics Dongguan Co ltd
Current assignee: Laster Tech Electronics Dongguan Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-10-10
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses a welding structure of an FPC and a PCBA, which comprises a mounting body, a PCBA circuit board and an FPC flexible board, wherein the PCBA circuit board is arranged on one side of the mounting body, a reserved hole is formed in the PCBA circuit board, a conduction welding spot is arranged on one side of the reserved hole, one side of the FPC flexible board penetrates through the reserved hole and extends to one side of the PCBA circuit board, one side of the FPC flexible board is welded with the conduction welding spot, the conduction welding spot is matched with the FPC flexible board, clamping blocks are fixedly arranged on two sides of the FPC flexible board, clamping grooves are formed on two sides of the reserved hole, the clamping blocks are clamped in the clamping grooves, a positioning board assembly for fixing the FPC flexible board is arranged in the reserved hole, the FPC is welded onto the reserved conduction hole through the FPC design reserved hole, and the clamping assembly and the positioning board assembly are arranged on the reserved hole, so that the positioning effect is good and the performance is more stable during the installation of the FPC.

Description

FPC and PCBA welded structure that compactibility is good

Technical Field

The utility model relates to the technical field of LED (light emitting diode) automobile lighting module circuit boards, in particular to a welding structure of an FPC (flexible printed Circuit Board) and a PCBA (printed Circuit Board assembly) with good compactness.

Background

With the development of technology, the application of LEDs in automotive lighting is increasing, and the LEDs span from the initial automotive interior lighting application to broader applications such as front headlamps and combined tail lamps. Especially, due to small size, the LEDs can match with abundant shape and line changes, thereby being beneficial to improving the identification degree of the car lamp, being appointed for a plurality of head lamp systems of middle-high grade cars, being matched with beautiful appearance design, along with increasing of the illumination demands of the LED cars, along with the demands of safety, comfort, appearance and cost performance of the cars on the premise of ensuring the safety of the cars, the coherent design demands on the modeling of the car lamp and the whole car are particularly outstanding,

the space of car light module is gradually in the space of compressing its car light module along with the design of car light, so in order to deal with the design demand of car light, it is imperative to develop compact car light mould, in order to match the inner space of car light, need optimize the overall arrangement again to the design of car light mould, current module package assembly is inconvenient inadequately, has reduced swiftly, and current structural space utilization can not accomplish the maximize for the security can receive the influence.

Disclosure of Invention

The utility model aims to provide a welding structure of an FPC and a PCBA, which has good compactness, the FPC is welded to a reserved conduction welding spot by penetrating through a reserved hole site of the PCBA design through the flexible material characteristic of the FPC, and the FPC is enabled to have good positioning effect and more stable performance when being used through a clamping assembly and a positioning plate assembly arranged on the reserved hole, so that the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a FPC and PCBA welded structure that compactibility is good, includes installation body, PCBA circuit board and FPC flexible sheet, the PCBA circuit board sets up in installation body one side, the preformed hole has been seted up on the PCBA circuit board, be located preformed hole one side on the PCBA circuit board and be provided with and switch on the solder joint, FPC flexible sheet one side runs through in preformed hole inside and extends to PCBA circuit board one side, one side of FPC flexible sheet and switch on the solder joint welding setting, switch on the solder joint and the FPC flexible sheet matching setting, FPC flexible sheet both sides fixed mounting has the fixture block, preformed hole both sides are provided with the draw-in groove, the fixture block joint is inside the draw-in groove, preformed hole inside is provided with the locating plate subassembly that is used for fixed FPC flexible sheet.

Preferably, clamping assemblies are symmetrically arranged on two sides of the inside of the preformed hole and located on two sides of the clamping groove, the clamping assemblies are matched with the clamping blocks, and each clamping assembly comprises a notch, a first spring and a clamping block.

Preferably, the notch is symmetrically provided with two groups, one side of the clamping block is slidably connected inside the notch, and the first spring is arranged between the inside of the notch and one side of the clamping block.

Preferably, the first spring is set to compression spring, the clamp splice sets up to the arc clamp splice, the arc wall that sets up with the clamp splice matching is seted up to the both sides on the fixture block, the clamp splice joint is inside the arc wall, the clamp splice is located equal fixed mounting has the stopper on the inside one side of notch.

Preferably, the locating plate assembly comprises a second spring and locating plates, the locating plate assemblies are symmetrically arranged on two sides of the inner wall of the reserved hole, and the locating plates are matched with the FPC flexible plate.

Preferably, the two sides of the inner wall of the preformed hole are symmetrically provided with notches, two ends of the second spring are respectively arranged between the inner wall of the notch and one side of the positioning plate, the second spring is arranged at equal intervals, and the second spring is arranged as a compression spring.

Preferably, the locating plates are arranged to be anti-slip locating plates, polyurethane rubber gaskets are arranged on one sides of two groups of locating plates, and the outer walls of the FPC flexible plates are attached to the side walls of one sides of the two groups of locating plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. the PCB of the car lamp module and the assembling die are designed, so that the whole space of the car lamp module is saved, the cost of a wire harness is saved, the assembling difficulty is not increased, and the electric performance of the car lamp is not influenced;

2. through ingenious flexible material characteristic of FPC that utilizes, pass PCBA design reservation hole site with FPC and weld to the conduction solder joint of reservation on, through chucking subassembly and the locating plate subassembly that set up on the reservation hole for the positioning effect is good when FPC installs, and the performance is more stable, has practiced thrift pencil and connector and has been inserted the expense.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of a front view of a portion of the FPC flex in accordance with the present utility model;

FIG. 4 is a schematic view of a clamping assembly of the present utility model in partial cross-section;

FIG. 5 is a schematic top view of a portion of a locating plate assembly according to the present utility model.

In the figure: 1. a mounting body; 2. PCBA circuit board; 3. an FPC flexible board; 4. a preformed hole; 401. a notch; 5. conducting welding spots; 6. a clamping block; 7. a clamping groove; 8. a locating plate assembly; 801. a second spring; 802. a positioning plate; 9. a clamping assembly; 901. a notch; 902. a first spring; 903. clamping blocks; 10. an arc-shaped groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a welding structure of an FPC and a PCBA with good compactness comprises an installation body 1, a PCBA circuit board 2 and an FPC flexible board 3, wherein the PCBA circuit board 2 is arranged on one side of the installation body 1, a preformed hole 4 is formed in the PCBA circuit board 2, a conduction welding point 5 is arranged on one side of the PCBA circuit board 2, which is positioned on the preformed hole 4, one side of the FPC flexible board 3 penetrates through the preformed hole 4 and extends to one side of the PCBA circuit board 2, and one side of the FPC flexible board 3 is welded with the conduction welding point 5;

the conductive welding spots 5 are matched with the FPC flexible board 3, and the PCB of the car lamp module and the assembling die are designed through design, so that the overall space of the car lamp module is saved, the cost of wiring harnesses is saved, the assembling difficulty is not increased, the electrical performance of the car lamp is not influenced, the FPC passes through the PCBA design reserved holes to be welded on the reserved conductive welding spots 5 at 4 positions through skillfully utilizing the flexible material characteristics of the FPC, and the cost of opposite insertion of wiring harnesses and connectors is saved;

the two sides of the FPC flexible board 3 are fixedly provided with clamping blocks 6, clamping grooves 7 are formed in the two sides of the preformed hole 4, the clamping blocks 6 are clamped inside the clamping grooves 7, a positioning board assembly 8 for fixing the FPC flexible board 3 is arranged inside the preformed hole 4, the positioning board assembly 8 comprises a second spring 801 and a positioning board 802, the positioning board assembly 8 is symmetrically arranged on the two sides of the inner wall of the preformed hole 4, the positioning board 802 is matched with the FPC flexible board 3, notches 401 are symmetrically formed in the two sides of the inner wall of the preformed hole 4, two ends of the second spring 801 are respectively arranged between the inner wall of the notch 401 and one side of the positioning board 802, and the second spring 801 is equidistantly arranged;

the second springs 801 are compression springs, the positioning plates 802 are anti-slip positioning plates, polyurethane rubber gaskets are arranged on opposite sides of the two groups of positioning plates 802, the outer wall of the FPC flexible board 3 is attached to the side wall of the opposite sides of the two groups of positioning plates 802, and the FPC flexible board 3 can be clamped and positioned when penetrating through the preformed holes 4 through the two groups of positioning plates 802 which are arranged oppositely, so that the installation of the FPC flexible board is not easy to deviate, and the installation performance is improved;

clamping assemblies 9 are symmetrically arranged on two sides of the clamping groove 7 in the reserved hole 4, the clamping assemblies 9 are matched with the clamping blocks 6, each clamping assembly 9 comprises a notch 901, a first spring 902 and clamping blocks 903, the two groups of notches 901 are symmetrically formed, one sides of the clamping blocks 903 are slidably connected inside the notches 901, the first springs 902 are arranged between the inside of the notches 901 and one side of the clamping blocks 903, the first springs 902 are compression springs, the clamping blocks 903 are arc-shaped clamping blocks, arc-shaped grooves 10 which are matched with the clamping blocks 903 are formed in the two sides of the clamping blocks 6, and the clamping blocks 903 are clamped inside the arc-shaped grooves 10;

when FPC flexplate 3 runs through and installs in preformed hole 4, inside fixture block 6 joint in draw-in groove 7 through both sides fixed mounting, carry out position location, rethread chucking subassembly 9 is fixed a position clamp to fixture block 6, the stability of running through the installation between FPC flexplate 3 and preformed hole 4 has been increased, equal fixed mounting has the stopper on clamp splice 903 is located notch 901 inside one side, chucking subassembly 9 and locating plate subassembly 8 through setting up on the preformed hole 4 for the positioning effect is good when FPC installs, and the performance is more stable.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a good FPC of compactibility and PCBA welded structure, includes installation body (1), PCBA circuit board (2) and FPC flexible board (3), its characterized in that: the novel printed circuit board is characterized in that the PCBA circuit board (2) is arranged on one side of the installation body (1), a preformed hole (4) is formed in the PCBA circuit board (2), a conduction welding point (5) is arranged on one side of the preformed hole (4) on the PCBA circuit board (2), one side of the FPC flexible board (3) penetrates through the inside of the preformed hole (4) and extends to one side of the PCBA circuit board (2), one side of the FPC flexible board (3) is welded with the conduction welding point (5), the conduction welding point (5) is matched with the FPC flexible board (3), clamping blocks (6) are fixedly arranged on two sides of the FPC flexible board (3), clamping grooves (7) are formed in two sides of the preformed hole (4), and the clamping blocks (6) are clamped inside the clamping grooves (7), and positioning plate assemblies (8) used for fixing the FPC flexible board (3) are arranged inside the preformed hole (4).

2. The good-compactness FPC and PCBA welding structure as recited in claim 1, wherein: clamping assemblies (9) are symmetrically arranged on two sides of the inside of the preformed hole (4) and located on two sides of the clamping groove (7), the clamping assemblies (9) are matched with the clamping blocks (6), and the clamping assemblies (9) comprise notches (901), first springs (902) and clamping blocks (903).

3. The good-compactness FPC and PCBA welding structure as recited in claim 2, wherein: two sets of notches (901) are symmetrically formed, one side of each clamping block (903) is connected inside each notch (901) in a sliding mode, and the first springs (902) are arranged between the inside of each notch (901) and one side of each clamping block (903).

4. The good-compactness FPC and PCBA welding structure as recited in claim 2, wherein: the first spring (902) is arranged to be a compression spring, the clamping blocks (903) are arranged to be arc-shaped clamping blocks, arc-shaped grooves (10) matched with the clamping blocks (903) are formed in the two sides of the clamping blocks (6), the clamping blocks (903) are clamped inside the arc-shaped grooves (10), and limiting blocks are fixedly installed on one side of the clamping blocks (903) located inside the notch (901).

5. The good-compactness FPC and PCBA welding structure as recited in claim 1, wherein: the locating plate assembly (8) comprises a second spring (801) and locating plates (802), the locating plate assembly (8) is symmetrically arranged on two sides of the inner wall of the reserved hole (4), and the locating plates (802) are matched with the FPC flexible plate (3).

6. The good-compactness FPC and PCBA welding structure of claim 5, wherein: the two sides of the inner wall of the preformed hole (4) are symmetrically provided with notches (401), two ends of the second spring (801) are respectively arranged between the inner wall of the notch (401) and one side of the positioning plate (802), the second springs (801) are equidistantly arranged, and the second springs (801) are compression springs.

7. The good-compactness FPC and PCBA welding structure of claim 5, wherein: the positioning plates (802) are arranged to be anti-slip positioning plates, polyurethane rubber gaskets are arranged on one sides of two groups of positioning plates (802) opposite to each other, and the outer wall of the FPC flexible plate (3) is attached to the side wall of one side of the two groups of positioning plates (802) opposite to each other.