CN109411971B

CN109411971B - Adapter capable of being connected with FPC in rotating mode

Info

Publication number: CN109411971B
Application number: CN201811348832.7A
Authority: CN
Inventors: 王煌文
Original assignee: Dunpu Electronics Co ltd
Current assignee: Dunpu Electronics Co ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2020-08-11
Anticipated expiration: 2038-11-13
Also published as: CN109411971A

Abstract

The application discloses can meet FPC's adapter, including casing and a plurality of terminal, the terminal sets up in the casing side by side, and the casing has both ends open-ended holding cavity, and the terminal includes first end and second end, and first end is located be used for connecting FPC in the holding cavity, the second end stretches out the holding cavity for joint FPC's joint portion sets up at the tip of first end, also can set up on the holding cavity inner wall of casing. The utility model provides a can meet FPC's adapter, terminal have first end and second end, and FPC pegs graft at the first end of terminal, and the wire pair board connector or other electronic components that need FPC switching peg graft at the second end of terminal, are showing and are improving connection efficiency and product debugging efficiency, have reduced the time cost.

Description

Adapter capable of being connected with FPC in rotating mode

Technical Field

The application relates to the technical field of integrated circuits, in particular to a convertible FPC adapter.

Background

FPC (Flexible Printed Circuit, short for Flexible Printed Circuit) is a Printed wiring board with high reliability, also called FPC flex, and has the characteristics of high wiring density, light weight, thin thickness, good bending property, and the like.

At present, if the FPC is to be connected to a WTB (Wire-to-Board Connector, short for Wire-to-Board Connector), as shown in fig. 1, it is necessary to firstly solder the FPC flexible Board a to the PCB c through the FPC Connector b, then solder a connecting Wire d to the PCB c, and connect the other end of the connecting Wire d to the Connector of the Wire-to-Board Connector e, and such a connection manner may have the following problems:

1) the operation procedure is complex and inconvenient, a plurality of welding operations consume time, and the integral connection efficiency of electronic components is seriously influenced, so that the debugging efficiency and the production efficiency of products are influenced;

2) if the welding speed is excessively pursued, the welding quality is easily lowered, and the problem of poor conduction performance may occur, and the welding cannot be used, which may affect the performance of the product.

Disclosure of Invention

The application provides a can change adapter that connects FPC need not use FPC connector, PCB board and connecting wire as the intermediary, and FPC can directly connect on the line to board connector through this adapter.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a can connect FPC's adapter, includes casing and a plurality of terminal, and the terminal sets up in the casing side by side, and the casing has both ends open-ended holding cavity, and the terminal has first end and second end, and first end is located the holding cavity and is used for connecting FPC, and the holding cavity is stretched out to the second end, has the joint portion that is used for joint FPC in the casing.

In one embodiment, the clamping portion is connected to the inner wall of the accommodating cavity, the first end of the terminal is used for connecting the head of the FPC, and the clamping portion is an insulator.

In another embodiment, the snap-in portion is located on the first end of the terminal and the snap-in portion is an electrical conductor. The clamping portion can be detachably connected with the first end of the terminal, and can also be in an integrated structure with the terminal.

Furthermore, joint portion includes a pair of relative joint arm, and the tip of the opposite face of joint arm is equipped with the interlock arch, and the interlock arch is used for chucking FPC.

Furthermore, the terminal is also provided with a fixing part arranged between the first end and the second end, and the fixing part of the terminal is fixed with the accommodating cavity of the shell. The fixing part can be a fixing bulge which is clamped with the inner wall of the accommodating cavity.

Furthermore, the terminal is also provided with a limiting part which is arranged close to the second end, a limiting groove is arranged in the accommodating cavity of the shell, and the limiting part is clamped in the limiting groove.

Further, the end of the second end is provided with a connection in the radial direction. The connecting part of the second end is a buckle groove. In other embodiments, the connecting portion may be directly connected to the wire-to-board connector or other electronic component in an up-contact or down-contact manner without requiring a snap groove.

Further, the housing is provided with an insertion groove at a side close to the first end of the terminal, and a terminal groove at a side close to the second end of the terminal.

The beneficial effect of this application is:

1) through the adapter of the FPC, the FPC is connected to the wire-to-board connector more conveniently and quickly, the operation procedure is simplified, the connection efficiency is obviously improved, and the product debugging efficiency is improved;

2) because the PCB and the connecting wire do not need to be welded, the FPC is directly connected onto the adapter, and the terminal of the adapter is spliced with the wire-to-board connector, thereby eliminating the influence factors of the products and the connection quality of the PCB and the connecting wire, improving the product performance to a certain extent, and reducing the time cost.

Drawings

FIG. 1 is a schematic diagram of a prior art connection;

FIG. 2 is a perspective view of an adapter capable of being connected to an FPC;

fig. 3 is a schematic structural view of a terminal in the first embodiment;

FIG. 4 is a schematic structural diagram of the first embodiment when the FPC and the wire-to-board connector are connected to both ends of the adapter;

fig. 5 is a top view of the transfer terminal of the first embodiment prior to connection to a wire-to-board connector;

fig. 6 is a top view of the transfer terminal of the first embodiment after it is connected to a wire-to-board connector;

FIG. 7 is a schematic structural view of the second end of the second embodiment before the connection portion is connected;

FIG. 8 is a schematic structural view of the second end of the second embodiment after the connection portions are connected in an upper contact manner;

fig. 9 is a schematic structural view of the third embodiment when the FPC and the wire-to-board connector are connected to both ends of the rotary joint.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

At present rarely has the adapter of direct FPC connection on the wire pair board connector on the market, but need pass through FPC connector welding on the PCB board with FPC, weld specific connecting wire and wire pair board connector by on the PCB board again and be connected, the FPC connector only plays the effect of connecting FPC, generally wherein one end inserts the FPC wire rod, and the other end is latch device for the fixed FPC wire rod of locking.

The application provides a can change adapter that connects FPC, FPC is connected to the first end of its terminal, and the second end is connected on the electronic components that other FPC need the switching. The application takes the FPC transition wire to board connector as an example, and other electronic components with corresponding interfaces may be used in other embodiments.

An adapter capable of being connected with an FPC (flexible printed circuit), as shown in fig. 2 to 9, comprises a shell 1 and a plurality of terminals 2, wherein the terminals 2 are arranged in the shell 1 side by side, the shell 1 is provided with an accommodating cavity 11 with two open ends, as shown in fig. 3, the terminals are provided with a first end 21 and a second end 22, after the terminals 2 are inserted into the accommodating cavity 11 from one end of the shell 1, the first end 21 is fixed inside the accommodating cavity 11 and used for being connected with an FPC3, and the second end 22 extends out of the accommodating cavity 11. In the present embodiment, the housing 1 is an insulator, the terminal 2 is a conductor, the first end 21 of the terminal 2 is used for inserting the FPC3, and the second end 22 is used for connecting the board-to-board connector 4. The inside of the housing 1 has a clamping portion 5 for clamping the FPC 3.

As shown in fig. 3, the clamping portion 5 is connected to the first end 21 of the terminal, the clamping portion 5 includes two opposite clamping arms 51, and the opposite ends of the clamping arms 51 are further provided with engaging protrusions 52, as shown in fig. 4, the engaging protrusions 52 are used for engaging and clamping the FPC3 when the clamping arms 5 are clamped to the FPC 3. The engaging projections 52 of the present embodiment have two portions and are provided at the end portions of the two engaging arms 51 facing each other, but in other embodiments, there may be only one or two or more engaging projections. The clamping portion 5 is a conductive body and is integrated with the terminal 2. In other embodiments, the clamping portion may be removably coupled to the first end of the terminal.

The terminal further comprises a fixing portion 23, the fixing portion 23 is disposed between the first end 21 and the second end 22 of the terminal, and the fixing portion 23 is fixed to the upper and lower inner walls of the accommodating cavity 11 after the terminal 2 is inserted from one side of the housing 1. In this embodiment, the fixing portion 23 is a top fixing protrusion and a bottom fixing protrusion, when the terminal 2 is inserted into the accommodating cavity 11, the top fixing protrusion and the bottom fixing protrusion are respectively clamped with the upper wall and the lower wall of the accommodating cavity 11 of the housing 1, the upper wall and the lower wall of the accommodating cavity 11 can be provided with small grooves for accommodating the fixing protrusions, and the fixing protrusions are clamped in the small grooves, so that the terminal 2 is fixed in the accommodating cavity 11 of the housing 1. In other embodiments, the fixing portions may be fixing grooves, and fixing bars are provided at upper and lower walls of the receiving cavity of the housing, and when the terminal is inserted into the receiving cavity, the fixing bars of the upper and lower walls of the receiving cavity are inserted into the fixing grooves of the terminal, thereby fixing the terminal; on the other hand, the number of the fixing portions is not limited, and only one fixing portion may be provided at the top or the bottom, or a plurality of fixing portions may be provided.

The utility model provides a terminal of adapter that can connect FPC still includes spacing portion 24, spacing portion 24 is close to second end 22 and sets up, be located the right side of fixed part 23, spacing portion 24 is used for preventing that terminal 2 from removing in holding cavity 11, in order to make spacing portion 24 fix a position better, set up the spacing groove 12 that corresponds with spacing portion 24 position in holding cavity 11, after terminal 2 inserts in holding cavity 11 of casing 1, the fixed part 23 fixed position of terminal 2, spacing portion 24 card is gone into in the spacing groove 12, in order to accomplish the installation of terminal 2. In this embodiment, the top and bottom of the terminal have the position-limiting parts 24, and the U-shaped cavity 25 is formed between the position-limiting parts 24 and the second end 22, so that the second end 22 has a certain degree of freedom in the process of connecting with the wire-to-board connector 4. In other embodiments, the housing may not be provided with the limiting groove, but a limiting baffle is provided at an opening at one end of the accommodating cavity, and the limiting portion of the terminal is clamped on an inner side surface of the baffle.

The second end 22 extends out of the accommodating cavity 11 and is located outside the housing 2, and a connecting portion 221 is provided at an end of the second end 22 in the radial direction, and the connecting portion 221 is used for connecting with the wire-to-board connector 4. In this embodiment, the connection portion 221 is a snap groove, and the snap groove can be snap-connected to a side surface of the slot of the wire-to-board connector 4.

As shown in fig. 2, the housing 1 is provided with an insertion groove 13 at a side close to the first end 21 of the terminal 2, the insertion groove 13 providing a path for facilitating insertion of the FPC 3; the housing 1 is provided with a terminal groove 14 at one side close to the second end 22 of the terminal 2, the second end 22 is located in the coverage range of the terminal groove 14, the second end of each unit terminal in the housing 1 is located in the coverage range of each correspondingly arranged terminal groove, and the terminal groove is arranged for fast plugging with a slot of a wire-to-board connector, so that the connecting part of the second end can be better connected with a connecting point of the wire-to-board connector.

In the second embodiment, the connection portion 221 of the second end 22 does not have a snap groove, but the connection portion directly contacts with the connection point of the wire-to-board connector 4 in an upward contact manner, or contacts with the connection point of the wire-to-board connector 4 in a downward contact manner, which requires that the connection point of the wire-to-board connector 4 is disposed above or below the connection portion 221 of the second end 22. Fig. 7 and 8 show the connection of the terminal-to-board connector in the above-described contact connection method before and after the connection, respectively.

In the third embodiment, as shown in fig. 9, the clamping portion 5 is an insulator and is disposed on the inner wall of the accommodating cavity 11 of the housing 1, a pair of opposite clamping arms 51 are respectively connected to the upper wall and the lower wall of the accommodating cavity 11, two engaging protrusions 52 are respectively connected to the corresponding clamping arms 51, the engaging protrusions 52 are responsible for engaging and clamping the FPC3, and the head of the FPC3 is connected to the first end 21 of the terminal 2. In the third embodiment, the clamping portion may be disposed near the notch of the insertion slot of the housing, or near the first end of the terminal, and at least one of the opposite engaging protrusions is disposed as an elastic structure, so that the angle of the FPC can be adjusted when the FPC is inserted.

A terminal of the adapter capable of being connected with an FPC (flexible printed circuit) in a switching way is provided with a first end and a second end, a clamping part is arranged on the inner wall of a cavity for accommodating a shell in the adapter, or the first end of the terminal is provided with the clamping part which is used for clamping the FPC, and the FPC is in contact connection with the terminal; the connecting portion of the second end of the terminal is connected with a connecting point of the wire-to-board connector, the connecting portion can be connected with the side face of the slot of the wire-to-board connector through the buckling groove, and the connecting portion can be designed to be connected above or below the slot of the wire-to-board connector in an upper contact or lower contact mode. In addition, the adapter has fixed part and spacing portion, and the fixed part is fixed the terminal in the casing, and spacing portion guarantees that the terminal rigidity when connecting FPC and other electronic components that need the switching.

The application simplifies the switching process between the FPC and other electronic components, obviously improves the connection efficiency, and also improves the product debugging efficiency, the production efficiency and the product performance.

The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the inventive concepts herein.

Claims

1. The utility model provides a can change joint FPC's adapter which characterized in that: the terminal comprises a shell and a plurality of terminals, wherein the terminals are arranged in the shell side by side, the shell is provided with an accommodating cavity with openings at two ends, the terminal is provided with a first end and a second end, the first end is positioned in the accommodating cavity and used for being connected with an FPC, the second end extends out of the accommodating cavity, and a clamping part used for clamping the FPC is arranged in the shell;

the end part of the second end is provided with a connecting part along the radial direction, and the second end is used for being plugged with a wire-to-board connector;

still include spacing portion, have U type cavity between spacing portion and the second end.

2. The FPC-transferable adapter of claim 1, wherein: the clamping portion is connected to the inner wall of the accommodating cavity, the first end of the terminal is used for being connected with the head of the FPC, and the clamping portion is an insulator.

3. The FPC-transferable adapter of claim 1, wherein: the clamping portion is connected to the first end of the terminal and is an electrical conductor.

4. The FPC-transferable adapter of claim 2 or 3, wherein: the clamping portion comprises a pair of opposite clamping arms, the end portions of the opposite surfaces of the clamping arms are provided with meshing protrusions, and the meshing protrusions are used for clamping the FPC.

5. The FPC-transferable adapter of claim 1, wherein: the terminal is further provided with a fixing part arranged between the first end and the second end, and the fixing part of the terminal is fixed with the accommodating cavity of the shell.

6. The FPC-transferable adapter of claim 5, wherein: the fixing part is a fixing bulge which is clamped with the inner wall of the accommodating cavity.

7. The FPC-transferable adapter of claim 6, wherein: the limiting portion is close to the second end of the terminal, a limiting groove is formed in the accommodating cavity of the shell, and the limiting portion is clamped in the limiting groove.

8. The FPC-transferable adapter of claim 1, wherein: the connecting part of the second end is a buckling groove.

9. The FPC-transferable adapter of claim 1, wherein: the shell is provided with an insertion groove at one side close to the first end of the terminal, and a terminal groove at one side close to the second end of the terminal.