Flexible printed circuit (FPC) connector capable of stabilizing flat cable contact

Abstract

The utility model discloses a flexible printed circuit (FPC) connector capable of stabilizing flat cable contact, which comprises an arranged plastic seat, first limiting grooves are symmetrically arranged on the plastic seat, the size and the shape of the first limiting grooves are matched with those of a fixing sheet, second limiting grooves matched with terminals are arranged on the plastic seat, first welding pins are arranged at the bottoms of the terminals, and second welding pins are arranged at the bottoms of the terminals. A second welding pin is arranged at the bottom of the fixing piece, and the first welding pin and the second welding pin are higher than the bottom face of the plastic base. According to the FPC connector capable of stabilizing flat cable contact, the clamping grooves effectively prevent the flat cable body from falling off in the using process, the overall structure is simple, the problem that the later maintenance cost is increased due to the structure complexity is reduced, the first welding pins at the bottoms of the terminals and the second welding pins at the bottoms of the fixing pieces are heightened, and the stability of the flat cable is improved. Therefore, the first welding pin and the second welding pin are higher than the bottom surface of the plastic seat, when the plastic seat deforms, the first welding pin and the second welding pin are still stably connected with an external circuit, and the overall reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of FPC connector, specifically is a kind of FPC connector of stable wire arrangement contact. BACKGROUND

[0002] FPC refers to the flexible circuit board made of flexible insulating substrate, FPC connector is the bridge between the circuit in the circuit being blocked or isolated and circuit, through the connection with FPC, to make current flow, so that the circuit realizes predetermined function, but the existing FPC connector still has certain defects when using, in the use process, terminal welding area and connector terminal welding point are susceptible to external environment and produce looseness, to affect information data transmission, reduce the quality of product.

[0003] In order to overcome the above-mentioned defects, prior art 1 (application number 202120726560.0, application date 2021-04-10 of Chinese patent) a kind of FPC connector with high stability, specifically relates to information transmission device field, the bottom of plastic body is fixedly connected with clamping block, the bottom of clamping block is provided with printed circuit board, the top of printed circuit board is provided with second clamping groove, the front of plastic body bottom is fixedly connected with two horizontal plates, the inside of printed circuit board is provided with two third clamping grooves, the side of two horizontal plates is movably connected with clamping stopper, the top of printed circuit board is fixedly connected with terminal welding area, the top of terminal welding area is welded with connector terminal, the top of the front of plastic body is provided with main body occluder, the bottom of the front of plastic body is provided with support, by being provided with second clamping groove and clamping block, it is favorable to avoid when FPC and connector are connected, the force exerted on FPC in each direction causes looseness of terminal welding area and connector terminal welding area, ensure the conduction of data information.

[0004] Although prior art can improve the stability of connection, but in the working process, through clamping block, printed circuit board, horizontal plate and clamping stopper are limited, the whole is prone to complicate production process, increase the cost of production and post-maintenance, and device terminal is arranged on the outside, so the wire arrangement of connection is prone to fall off in use process, to affect the stability of data transmission, the whole is prone to deformation when using plastic body is affected by temperature, to reduce the overall reliability.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original FPC connector with stable wire arrangement contact, therefore we propose that the FPC connector with stable wire arrangement contact can well solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose lies in providing a kind of FPC connector of stable wire arrangement contact to solve the limiting operation of current market through block, printed circuit board, horizontal plate and clamping device in the background art, overall easily lead to the complication of production process, increase the cost of production and post-maintenance, and device terminal is arranged on the outside, so the wire arrangement of connection is easy to fall off in use process, thereby the stability of data transmission is affected, overall when using plastic body is susceptible to temperature and is deformed, thereby the problem of overall reliability reduction.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of FPC connector of stable wire arrangement contact, including the plastic seat of setting, the first limiting slot is symmetrically opened on the plastic seat, the size and shape of the first limiting slot are adapted to fixed sheet, the second limiting slot is opened on the plastic seat and adapted to terminal, the first soldering leg is arranged at the bottom of the terminal, the second soldering leg is arranged at the bottom of fixed sheet, the first soldering leg and second soldering leg are higher than the bottom surface of plastic seat.

[0008] Preferably, the fixed sheet is provided with a clamping groove, and the size and shape of the clamping groove are adapted to the wire arrangement ear buckle.

[0009] Preferably, the wire arrangement ear buckle is symmetrically arranged on both sides of the wire arrangement body, and the wire arrangement body is in contact with the terminal through the contact sheet.

[0010] Preferably, the fixed sheet is provided with a fixed leg near the end of the wire arrangement body, the fixed leg is designed with double-layer reinforcement, the contact area of the wire arrangement ear buckle and the fixed leg is increased, and the holding force of the wire arrangement body is enhanced.

[0011] Preferably, the fixed sheet and the plastic seat are internally clamped with a shaft body, and the shaft body is provided with a cover.

[0012] Preferably, the shaft body is connected in the shaft slot inside the terminal, and the terminal is located in the rotating groove inside the cover.

[0013] Preferably, the cover is provided with an avoiding groove larger than the volume of the fixed leg on both sides of the surface, and the cover is provided with an auxiliary groove adapted to the wire arrangement body.

[0014] Preferably, the plastic seat is provided with a plurality of protrusions at the bottom, and the adjacent sides of the plurality of protrusions form a heat dissipation groove.

[0015] Compared with the prior art, the FPC connector with stable wire arrangement contact has the advantages that the clamping groove effectively prevents the wire arrangement body from falling off during use, the overall structure is simple, the problem of increased maintenance cost caused by structural complication is reduced, the first welding leg at the bottom of the terminal and the second welding leg at the bottom of the fixing sheet are raised, the first welding leg and the second welding leg are higher than the bottom surface of the plastic seat, the connection of the first welding leg and the second welding leg with the external circuit is still stable when the plastic seat is deformed, and the overall reliability is improved.

[0016] The clamping groove effectively prevents the wire arrangement body from falling off during use, the overall structure is simple, the problem of increased maintenance cost caused by structural complication is reduced, the first welding leg at the bottom of the terminal and the second welding leg at the bottom of the fixing sheet are raised, the first welding leg and the second welding leg are higher than the bottom surface of the plastic seat, the connection of the first welding leg and the second welding leg with the external circuit is still stable when the plastic seat is deformed, and the overall reliability is improved.

[0017] The fixing leg at the end of the fixing sheet is designed with 180° double-layer reinforcement, the contact area of the wire arrangement ear buckle and the fixing sheet is increased, the wire arrangement body retention is enhanced, the connection of the wire arrangement body on the fixing sheet is more stable, and the stability of data transmission is improved.

[0018] The cover on the plastic seat is rotated through the rotating shaft body, the rotating shaft body is clamped in the fixing sheet and the plastic seat, the stop post arranged on the fixing sheet facilitates the limiting of the rotating shaft body, the problem of falling off of the rotating shaft body after assembly is avoided, the cover is conveniently and stably rotated through the rotating shaft body, and the service life of the device is improved.

[0019] The avoiding groove on the cover not only protects the fixing leg on the fixing sheet after being closed, avoids damage of the fixing leg caused by external force collision in daily use, thereby ensuring the stability of the wire arrangement connection, but also enables the cover to be smoothly buckled to the bottom, improves the sealing property between the cover and the plastic seat, and improves the protection performance of the device.

[0020] The protrusions at the bottom of the plastic seat facilitate the support of the plastic seat, the plastic seat is kept stable during installation and use, and the heat dissipation grooves formed at the side ends of the plurality of protrusions facilitate air flow, heat is taken away through air convection, and therefore the overall heat dissipation efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an overall structure schematic view of the utility model;

[0022] Figure 2 It is an overall bottom view structure schematic view of the utility model;

[0023] Figure 3 It is an overall side view structure schematic view of the utility model;

[0024] Figure 4 is a whole back view structural schematic diagram of the utility model;

[0025] Figure 5 is a wire disassembling structural schematic diagram of the utility model;

[0026] Figure 6 is a whole disassembling front view structural schematic diagram of the utility model;

[0027] Figure 7 is a whole disassembling back view structural schematic diagram of the utility model.

[0028] In the figure: 1, plastic seat; 2, first limiting groove; 3, fixed sheet; 4, clamping groove; 5, wire body; 6, wire ear buckle; 7, second limiting groove; 8, terminal; 9, first welding foot; 10, fixed foot; 11, second welding foot; 12, contact sheet; 13, rotating shaft body; 14, rotating shaft groove; 15, cover; 16, rotating groove; 17, avoiding groove; 18, auxiliary groove; 19, protruding block; 20, heat dissipation groove. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0030] Embodiment one: in this embodiment, the first welding foot 9 at the bottom of the terminal 8 and the second welding foot 11 at the bottom of the fixed sheet 3 are heightened, so that the first welding foot 9 and the second welding foot 11 are higher than the bottom surface of the plastic seat 1, and the problem that the product flatness is affected due to the shrinkage deformation of the plastic seat 1 is reduced, such as Figures 1-4The technical scheme shown includes the plastic seat 1 provided, the first limiting groove 2 is symmetrically provided on the plastic seat 1, the size and shape of the first limiting groove 2 are matched with the fixed sheet 3, the second limiting groove 7 matched with the terminal 8 is provided on the plastic seat 1, the first welding leg 9 is provided at the bottom of the terminal 8, the second welding leg 11 is provided at the bottom of the fixed sheet 3, the first welding leg 9 and the second welding leg 11 are higher than the bottom surface of the plastic seat 1, the clamping groove 4 is provided on the fixed sheet 3, the size and shape of the clamping groove 4 are matched with the wire harness ear buckle 6, the wire harness ear buckle 6 is symmetrically provided on both sides of the wire harness body 5, the wire harness body 5 is in contact with the terminal 8 through the contact sheet 12 at the bottom, the first limiting groove 2 on the plastic seat 1 facilitates the installation and fixation of the fixed sheet 3, the size and shape of the first limiting groove 2 are matched with the fixed sheet 3, so that the fixed sheet 3 can be accurately and firmly installed and fixed inside the first limiting groove 2, thereby improving the overall installation efficiency, reducing product quality problems caused by installation errors, and installing the terminal 8 inside the second limiting groove 7 on the plastic seat 1, the second limiting groove 7 ensures the position stability of the terminal 8 during work, and displacement deviation does not occur, thereby ensuring the stability of signal transmission, the overall structure is simple, and the problem of increasing maintenance cost caused by structural complexity is reduced, the cover 15 on the plastic seat 1 is opened, the wire harness body 5 is placed on the plastic seat 1, the clamping groove 4 on the fixed sheet 3 facilitates the placement of the wire harness ear buckle 6 at the side end of the wire harness body 5, effectively avoiding the falling of the wire harness body 5 during use, greatly enhancing the reliability of the connection of the wire harness body 5, at this time, the contact sheet 12 at the bottom of the wire harness body 5 is in contact with the terminal 8, facilitating data transmission, the first welding leg 9 at the bottom of the terminal 8 and the second welding leg 11 at the bottom of the fixed sheet 3 are raised, so that the first welding leg 9 and the second welding leg 11 are higher than the bottom surface of the plastic seat 1, the problem that the product flatness is affected due to the shrinkage deformation of the plastic seat 1 is reduced, and the influence of the plastic deformation amount is sequentially compensated, so that when the plastic seat 1 deforms, the connection of the first welding leg 9 and the second welding leg 11 with the external circuit is still stable, and the overall reliability is improved.

[0031] In this embodiment, the stop column provided on the fixed sheet 3 facilitates the limiting of the rotating shaft body 13, avoids the problem of falling after the rotating shaft body 13 is assembled, and facilitates the stable rotation of the cover 15 through the rotating shaft body 13, as Figures 4-7As shown, the fixing piece 3 is provided with a fixing foot 10 near the end of the flat cable body 5, the fixing foot 10 adopts a 180° double-layer reinforcing design, which increases the contact area of the flat cable ear buckle 6 and the fixing piece 3, and is used to enhance the holding force of the flat cable body 5, the fixing piece 3 is clamped with the shaft body 13 inside the plastic seat 1, the shaft body 13 is provided with a cover 15, the shaft body 13 penetrates and is connected inside the shaft slot 14 provided in the terminal 8, the terminal 8 is located inside the rotating slot 16 provided in the cover 15, the fixing foot 10 at the end of the fixing piece 3 adopts a 180° double-layer reinforcing design, which increases the contact area of the flat cable ear buckle 6 and the fixing piece 3, enhances the holding force of the flat cable body 5, makes the connection of the flat cable body 5 on the fixing piece 3 more stable, improves the stability of data transmission, the cover 15 on the plastic seat 1 rotates through the shaft body 13, the shaft body 13 is clamped inside the fixing piece 3 and the plastic seat 1, the plastic seat 1 is blocked by plastic on both sides of the shaft body 13 of the cover 15, avoiding over-assembly of the cover 15, ensuring the position accuracy of the cover 15 during installation, and the stop post provided on the fixing piece 3 facilitates the limiting of the shaft body 13, avoiding the problem of falling off after assembly of the shaft body 13, facilitating stable rotation of the cover 15 through the shaft body 13, not only reducing the inconvenience problem caused by shaking or jamming during rotation of the cover 15, but also improving the service life of the device, and the shaft body 13 penetrates inside the shaft slot 14 of the terminal 8, facilitating rotation of the cover 15, when the cover 15 rotates, the terminal 8 on the plastic seat 1 is inside the rotating slot 16 provided in the cover 15, reducing the problem of affecting the service life of the terminal 8 caused by rotation of the cover 15, improving the reliability of the device.

[0032] In this embodiment, the avoidance groove 17 allows the cover 15 to be smoothly buckled to the bottom, improving the sealing between the cover 15 and the plastic seat 1, and improving the protection performance of the device, as shown in Figures 4-7As shown, the cover 15 is provided with a relief groove 17 larger than the volume of the fixing foot 10 on both sides of the surface, the cover 15 is provided with an auxiliary groove 18 matched with the wire body 5, the plastic seat 1 is provided with a plurality of protrusions 19 on the bottom, and the adjacent sides of the plurality of protrusions 19 form a heat dissipation groove 20, the relief groove 17 on the cover 15 not only protects the fixing foot 10 on the fixing piece 3 after closing, avoids the damage of the fixing foot 10 caused by external force collision in daily use, thereby ensuring the stability of the wire connection, but also makes the cover 15 can be smoothly buckled to the bottom, improves the sealing between the cover 15 and the plastic seat 1, improves the protection performance of the device, the auxiliary groove 18 reduces the damage of the wire body 5, reduces the problem that the wire body 5 is damaged due to extrusion caused by the closing of the cover 15, prolongs the service life of the wire body 5, the protrusions 19 on the bottom of the plastic seat 1 facilitate supporting the plastic seat 1, so that the plastic seat 1 remains stable during installation and use, and the heat dissipation groove 20 formed by the side ends of the plurality of protrusions 19 facilitates air flow, which carries away heat through air convection, thereby greatly improving the overall heat dissipation efficiency.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An FPC connector with a stable ribbon cable contact, comprising a plastic base (1), characterized in that, The plastic base (1) is symmetrically provided with a first limiting groove (2), the size and shape of the first limiting groove (2) are adapted to the fixing piece (3), the plastic base (1) is provided with a second limiting groove (7) adapted to the terminal (8), the bottom of the terminal (8) is provided with a first welding foot (9), the bottom of the fixing piece (3) is provided with a second welding foot (11), the first welding foot (9) and the second welding foot (11) are higher than the bottom surface of the plastic base (1).

2. The FPC connector with a stable ribbon cable contact according to claim 1, characterized in that: The fixing plate (3) has a snap-fit ​​groove (4), the size and shape of which are adapted to the cable ear clip (6).

3. The FPC connector with a stable ribbon cable contact according to claim 2, characterized in that: The cable ear clips (6) are symmetrically arranged on both sides of the cable body (5), and the bottom of the cable body (5) is in contact with the terminal (8) through the contact piece (12).

4. The FPC connector with a stable ribbon cable contact according to claim 1, characterized in that: The fixing plate (3) is provided with a fixing foot (10) near the end of the ribbon cable body (5). The fixing foot (10) adopts a 180° double-layer reinforcement design, which increases the contact area between the ribbon cable ear clip (6) and the fixing plate (3) to enhance the holding force of the ribbon cable body (5).

5. The FPC connector with a stable ribbon cable contact according to claim 1, characterized in that: The fixing piece (3) is internally engaged with the plastic base (1) and the rotating shaft body (13) is provided with a cover (15).

6. The FPC connector with a stable ribbon cable contact according to claim 5, characterized in that: The rotating shaft body (13) is connected through the rotating shaft groove (14) opened in the terminal (8), and the terminal (8) is located inside the rotating groove (16) opened on the cover (15).

7. The FPC connector with a stable ribbon cable contact according to claim 5, characterized in that: The cover (15) has clearance grooves (17) on both sides of its surface that are larger than the volume of the fixed foot (10), and the cover (15) has auxiliary grooves (18) that are compatible with the ribbon cable body (5).

8. The FPC connector with a stable ribbon cable contact according to claim 1, characterized in that: The bottom of the plastic base (1) is equipped with multiple protrusions (19), and the adjacent sides of the multiple protrusions (19) form heat dissipation grooves (20).

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