CN109411971B - An adapter that can be transferred to FPC - Google Patents

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

An adapter that can be transferred to FPC

technical field

The present application relates to the technical field of integrated circuits, and in particular, to an adapter that can be converted to an FPC.

Background technique

FPC (Flexible Printed Circuit, short for flexible printed circuit board) is a highly reliable printed circuit board, also known as FPC flexible board, FPC has high wiring density, light weight, thin thickness, good bendability, etc. Features.

At present, if the FPC is to be connected to the WTB (Wire-to-Board Connector, short for wire-to-board connector), as shown in Figure 1, the FPC flexible board a needs to be soldered to the PCB board c through the FPC connector b. Then a connecting line d is welded on the PCB board c, and the other end of the connecting line d is connected to the connector of the wire-to-board connector e. This connection method will cause the following problems:

1) The operation procedure is complex and inconvenient, and many welding operations take time, and seriously affect the overall connection efficiency of electronic components, thereby affecting the debugging efficiency and production efficiency of products;

2) Once the welding speed is pursued too much, it is easy to cause the welding quality to be low, which may cause the problem of poor conductivity, or even cannot be used, which will affect the performance of the product.

SUMMARY OF THE INVENTION

The present application provides an adapter that can be converted to an FPC, and does not require an FPC connector, a PCB board and a connecting wire as an intermediary, and the FPC can be directly connected to a wire-to-board connector through the adapter.

In order to achieve the above object, the application adopts the following technical solutions:

An adapter that can be transferred to FPC, comprising a housing and a plurality of terminals, the terminals are arranged side by side in the housing, the housing has accommodating cavities open at both ends, the terminals have a first end and a second end, the first end It is located in the accommodating cavity and is used to connect the FPC, the second end extends out of the accommodating cavity, and the shell has a clamping part for clamping the FPC.

In one embodiment, the clamping part 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 part is an insulator.

In another embodiment, the clamping portion is located on the first end of the terminal, and the clamping portion is a conductor. The clamping part can be detachably connected with the first end of the terminal, or can be integrated with the terminal.

Further, the clipping portion includes a pair of opposite clipping arms, and the ends of the opposite surfaces of the clipping arms are provided with snapping protrusions, and the snapping protrusions are used to fasten the FPC.

Further, the terminal also has a fixing portion disposed between the first end and the second end, and the fixing portion of the terminal is fixed with the accommodating cavity of the housing. The fixing portion may be a fixing protrusion, and the fixing protrusion is clamped to the inner wall of the accommodating cavity.

Further, the terminal also has a limiting portion disposed close to the second end, a limiting groove is arranged in the accommodating cavity of the housing, and the limiting portion is clamped in the limiting groove.

Further, the end portion of the second end is provided with a connecting portion along the radial direction. The connecting part of the second end is a snap groove. In other embodiments, the connecting portion may also be directly connected to the wire-to-board connector or other electronic components in an upper or lower contact manner without the need for a snap groove.

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

The beneficial effects of this application are:

1) Through the FPC adapter, it is more convenient and quick to connect the FPC to the wire-to-board connector, the operation procedure is simplified, the connection efficiency is significantly improved, and the product debugging efficiency is improved;

2) Since there is no need to solder the PCB board and the connecting wire, the FPC is directly connected to the adapter, and the terminal of the adapter is plugged with the wire-to-board connector, eliminating the influence of the product and connection quality of the PCB board and the connecting wire Factors, improve product performance to a certain extent, but also reduce time costs.

Description of drawings

Fig. 1 is the structural representation of prior art connection;

FIG. 2 is a perspective view of an adapter that can be transferred to an FPC;

3 is a schematic structural diagram of a terminal in the first embodiment;

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

5 is a top view of the first embodiment before connecting the adapter and the wire-to-board connector;

6 is a top view of the first embodiment after connecting the adapter and the wire-to-board connector;

FIG. 7 is a schematic structural diagram of the connection part of the second end of the second embodiment before being connected;

8 is a schematic view of the structure of the second embodiment of the second embodiment of the connection portion connected by the above contact;

FIG. 9 is a schematic structural diagram of the third embodiment when both ends of the adapter are connected to the FPC and the wire-to-board connector.

Detailed ways

The present application will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

At present, there are few adapters on the market that directly connect the FPC to the wire-to-board connector. Instead, the FPC needs to be soldered on the PCB board through the FPC connector, and then the specific connection wire is welded on the PCB board to connect the wire-to-board connection. The FPC connector only plays the role of connecting the FPC. Generally, one end is inserted into the FPC wire, and the other end is a locking device, which is used to lock and fix the FPC wire.

The present application provides an adapter that can be transferred to an FPC. The first end of the terminal is connected to the FPC, and the second end of the terminal is connected to other electronic components that need to be transferred by the FPC. This application takes the FPC patch cord-to-board connector as an example, and in other embodiments, it can be other electronic components with corresponding interfaces.

An adapter that can be transferred to an FPC, as shown in Figures 2 to 9, includes a housing 1 and several terminals 2, the terminals 2 are arranged side by side in the housing 1, and the housing 1 has an accommodating cavity with openings at both ends. Cavity 11, as shown in FIG. 3, the terminal has a first end 21 and a second end 22, after the terminal 2 is inserted into the accommodating cavity 11 from one end of the housing 1, the first end 21 is fixed inside the accommodating cavity 11 And used for connecting to the FPC 3 , the second end 22 extends out of the accommodating cavity 11 . In this 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 FPC 3 , and the second end 22 is used for connecting the wire-to-board connector 4 . The inside of the casing 1 has a clip portion 5 for clipping 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 ends of the opposite faces of the clamping arms 51 are further provided with engaging protrusions. As shown in FIG. 4 , when the engaging arm 5 is engaged with the FPC 3 , the engaging protrusion 52 is used for engaging and engaging the FPC 3 . In this embodiment, there are two engaging protrusions 52 , which are respectively disposed at the ends of the opposite surfaces of the two engaging arms 51 . In other embodiments, there may be only one or more than two engaging protrusions. The clamping portion 5 is a conductor, and has an integral structure with the terminal 2 . In other embodiments, the latching portion can be detachably connected to the first end of the terminal.

The terminal also includes a fixing part 23 , which is arranged between the first end 21 and the second end 22 of the terminal. When the terminal 2 is inserted from one side of the housing 1 , the fixing part 23 is connected to the upper and lower sides of the accommodating cavity 11 . The inner wall is fixed. In this embodiment, the fixing portions 23 are fixing protrusions at the top and bottom. When the terminal 2 is inserted into the accommodating cavity 11 , the fixing protrusions on the top and the bottom are respectively clamped to the upper portion of the accommodating cavity 11 of the housing 1 . The wall and the lower wall, the upper and lower walls of the accommodating cavity 11 can be provided with small grooves for accommodating fixed protrusions, and the fixed protrusions are stuck in the small grooves, thereby fixing the terminal 2 in the accommodating space of the housing 1. in cavity 11. In other embodiments, the fixing portion may be a fixing groove, and fixing rods are provided on the upper and lower walls of the accommodating cavity of the housing. When the terminal is inserted into the accommodating cavity, the upper and lower walls of the accommodating cavity are The fixing rod of the wall is inserted into the fixing groove of the terminal to fix the terminal in this way; on the other hand, the number of fixing parts is not limited, only one fixing part can be provided at the top or bottom, or several fixing parts can be respectively provided.

A terminal of an adapter that can be converted to an FPC further includes a limiting portion 24. The limiting portion 24 is disposed close to the second end 22 and is located on the right side of the fixing portion 23. The limiting portion 24 is used to prevent the terminal 2 from being emptied. In order to better position the limiting portion 24, a limiting slot 12 corresponding to the position of the limiting portion 24 is provided in the accommodating cavity 11, and the terminal 2 is inserted into the accommodating cavity 11 of the housing 1. Afterwards, the fixing portion 23 of the terminal 2 is fixed in position, and the limiting portion 24 is snapped into the limiting groove 12 to complete the installation of the terminal 2 . In this embodiment, the top and bottom of the terminal are provided with limit parts 24 , and a U-shaped cavity 25 is formed between the limit parts 24 and the second end 22 , so that the second end 22 can be connected to the wire-to-board connector 4 when The process has a certain degree of upward or downward degrees of freedom. Of course, in other embodiments, the housing may not be provided with a limiting groove, but a limiting baffle is provided at one end opening of the accommodating cavity, and the limiting portion of the terminal is clamped on the inner side of the baffle.

The second end 22 protrudes from the accommodating cavity 11 and is located outside the housing 2 . The end of the second end 22 is provided with a connecting portion 221 along the radial direction, and the connecting portion 221 is used for connecting with the wire-to-board connector 4 . In this embodiment, the connecting portion 221 is a snap groove, and the snap groove can be snap-connected to the 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 slot 13 on the side close to the first end 21 of the terminal 2 , and the insertion slot 13 provides a path for the insertion of the FPC 3 ; A terminal slot 14 is provided on one side of the housing 1, the second end 22 is located within the coverage area of the terminal slot 14, and the second end of each unit terminal in the housing 1 is located within the coverage area of each correspondingly arranged terminal slot. The terminal slot is for quick insertion with the slot of the wire-to-board connector, so that the connection part of the second end can be better connected with the connection point of the wire-to-board connector.

In the second embodiment, the connecting portion 221 of the second end 22 does not have a snap groove, but the connecting portion directly abuts the connection point of the wire-to-board connector 4 in the above-contact manner, or contacts with the wire-to-board connector 4 in the following manner. The connection point of the wire-to-board connector 4 abuts, which requires the connection point of the wire-to-board connector 4 to be disposed above or below the connection portion 221 of the second end 22 . Figures 7 and 8 respectively show the connection before and after the connection of the wire-to-board connector in the contact connection method above the terminal.

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 , and a pair of opposite clamping arms 51 are respectively connected to the accommodating cavity. On the upper wall and the lower wall of 11, two engaging protrusions 52 are respectively connected to the corresponding clamping arms 51, and the engaging protrusions 52 are responsible for engaging and clamping the FPC3, the head of the FPC3 and the first end 21 of the terminal 2. connect. In the third embodiment, the engaging portion can be arranged close to the notch of the insertion slot of the housing, or can be arranged close to the first end of the terminal, and at least one of the relative engaging protrusions is arranged as an elastic structure, which is convenient for adjustment when the FPC is inserted. The angle of the FPC.

An adapter that can be transferred to FPC, the terminal has a first end and a second end, and a clamping part is arranged on the inner wall of the housing cavity in the adapter, or the first end of the terminal is provided with a clamping part, which is composed of The clamping part is responsible for clamping the FPC, and the FPC is in contact with the terminal; the connection part of the second end of the terminal is connected to the connection point of the wire-to-board connector, and the connection part can be connected to the side of the wire-to-board connector slot through the buckle groove. , the connection part can also be designed to connect above or below the slot of the wire-to-board connector in the manner of upper contact or lower contact. In addition, the adapter has a fixed part and a limit part, the fixed part fixes the terminal in the housing, and the limit part ensures that the terminal is fixed in position when connecting the FPC and other electronic components that need to be switched.

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

The above content is a further detailed description of the present application in conjunction with specific embodiments, and it cannot be considered that the specific implementation of the present application is limited to these descriptions. For those of ordinary skill in the technical field to which the present application pertains, without departing from the inventive concept of the present application, some simple deductions or substitutions can also be made.

Claims (9)

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.

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