CN217788848U - FPC connector - Google Patents

Abstract

The utility model discloses a FPC connector relates to electrical connection spare technical field. The FPC connector comprises a base and a cover body, wherein the base is provided with an accommodating groove, the two ends of the accommodating groove are both provided with openings, the openings are arranged at the two ends of the accommodating groove, a first terminal is arranged at one end of the accommodating groove, a second terminal is arranged at one end of the FPC, the second terminal stretches into the accommodating groove from one opening, and the second terminal is in contact conduction with the first terminal close to the other opening. The cover body is arranged above the accommodating groove and connected with the base, the FPC is inserted into the accommodating groove, and the FPC is fixed through the cover body after the first terminal and the second terminal are contacted. The utility model provides a FPC connector can guarantee that FPC's second terminal contact is good to guarantee the reliability that FPC and PCB electricity are connected.

Description

FPC connector

Technical Field

The utility model relates to an electric connection spare technical field especially relates to a FPC connector.

Background

An FPC (Flexible Printed Circuit) is a Flexible Printed Circuit board having high reliability, and has characteristics of high wiring density, light weight, thin thickness, and good bending property. The FPC connector is used to connect a PCB (Printed Circuit Board) and an FPC, which are mechanically and electrically connected.

The FPC connector can be directly applied to mobile equipment such as smart phones, tablet computers and notebook computers. In the prior art, the FPC connector usually adopts a piano flip-type structure with a retaining wall at one end, and due to the shielding of the piano cover, the FPC is not easy to check after being inserted, and if the FPC is inserted too long, the FPC is easy to arch, so that the contact of terminals on the FPC is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a FPC connector, this FPC connector can effectively prevent to arch the FPC's that leads to terminal contact failure on the FPC.

To achieve the purpose, the utility model adopts the following technical proposal:

an FPC connector comprising:

the base is provided with an accommodating groove, two ends of the accommodating groove are provided with openings, one end of the two ends provided with the openings is provided with a first terminal, one end of the FPC is provided with a second terminal, and the second terminal extends into the opening from one of the openings and is in contact with the first terminal close to the other opening for conducting electricity;

the cover body is arranged above the accommodating groove and connected with the base, the FPC is inserted into the accommodating groove, and the first terminal and the second terminal are fixed through the cover body after contacting.

As an alternative to the FPC connector, a predetermined gap is left between the first terminal and an end face of the end where the first terminal is located.

As an alternative of the FPC connector, an inclined surface is provided at the opening of the base away from the first terminal, and the inclined surface extends upward from one end of the base away from the first terminal to the accommodating groove.

As an alternative of the FPC connector, one end of the cover body is connected to the base, and the other end is provided with a pressing boss; after the FPC is arranged in the accommodating groove, the abutting boss can abut against the FPC to fix the FPC.

As an alternative of the FPC connector, the cover body and the base are rotatably connected, one of the cover body and the base is provided with a rotating shaft, the other one of the cover body and the base is provided with a through hole matched with the rotating shaft, the cover body is stressed to enable the rotating shaft to rotate in the through hole, the cover body rotates in a direction away from the accommodating groove, and the FPC can be inserted into the accommodating groove; the cover body rotates towards the direction close to the accommodating groove, and the abutting boss can abut against the FPC to fix the FPC.

As an alternative of the FPC connector, the cover is inserted into or engaged with the base.

As an alternative of the FPC connector, the cover body includes a slide bar and an abutting plate connected to the slide bar, two opposite sides of the base are provided with arc-shaped chutes, two ends of the slide bar are respectively disposed in the arc-shaped chutes at two sides, and the slide bar can rotate relative to the arc-shaped chutes, when the slide bar is disposed at a highest point of the arc-shaped chutes, the slide bar rotates to drive the abutting plate to rotate in a direction away from the accommodating groove, and the FPC can be inserted into the accommodating groove; when the slide bar moves to the lowest point of the arc-shaped sliding groove, the slide bar rotates to drive the abutting plate to rotate towards the direction close to the accommodating groove and abut against the FPC so as to fix the FPC.

As an alternative of the FPC connector, the two ends of the sliding rod are provided with clamping hooks, the clamping hooks are located on one side, away from the accommodating groove, of the base, clamping connection columns are further arranged on the base and located on one side of the lowest point of the arc-shaped sliding groove, and when the sliding rod moves to the lowest point of the arc-shaped sliding groove, the clamping hooks can be in matched clamping connection with the clamping connection columns.

As an alternative of the FPC connector, a first limiting column is arranged in the accommodating groove, a first limiting hole is formed in the FPC, and the first limiting column is matched with the first limiting hole, so that the FPC can move within a preset range along the length direction of the accommodating groove.

As an alternative of the FPC connector, a second limiting post is provided on the cover, a second limiting hole is provided in the first limiting post, and the second limiting post is matched with the second limiting hole.

The utility model has the advantages that:

the utility model provides a FPC connector through set up the storage tank on the base, arranges FPC in the storage tank, and the both ends of storage tank all set up to the opening for FPC inserts and does not have the fender behind the storage tank, thereby also can not arch, is convenient for inspect the contact condition of first terminal and second terminal moreover. After the first terminal and the second terminal are in good contact, the FPC is fixed through the cover body, so that the contact stability of the first terminal and the second terminal is guaranteed. The utility model provides a FPC connector can guarantee that FPC's second terminal contact is good to guarantee the reliability that FPC and PCB electricity are connected.

Drawings

Fig. 1 is a schematic structural diagram of an FPC connector according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a base of an FPC connector according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cover of an FPC connector according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of an FPC connector according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a FPC according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a hidden cover of an FPC connector according to a first embodiment of the present invention;

fig. 7 is a schematic view illustrating a state in which a cover of the FPC connector according to the second embodiment of the present invention is located at the highest point of the arc chute;

fig. 8 is a schematic view illustrating a state in which a cover of the FPC connector according to the second embodiment of the present invention is located at the lowest point of the arc chute;

fig. 9 is a schematic structural view of a cover with an i-shaped handle of an FPC connector according to an embodiment of the present invention.

In the figure:

100、FPC；

101. a first limit hole; 102. a tear line;

1. a base; 2. a cover body; 3. a first terminal;

11. a containing groove; 12. an inclined surface; 13. a clamping groove; 14. an arc-shaped chute; 15. a clamping column; 16. a first connection block; 21. pressing the boss; 22. a clamping block; 23. a slide bar; 24. abutting against the plate; 25. a hook is clamped; 26. a second limit post; 27. a second connecting block; 28. an I-shaped handle;

111. a first limit post;

1111. a second limiting hole.

Detailed Description

In order to make the technical problems, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further explained below by means of specific embodiments in conjunction with the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

Example one

Fig. 1 is a schematic structural diagram of an FPC connector according to a first embodiment of the present invention; fig. 2 is a schematic structural diagram of a base of an FPC connector according to an embodiment of the present invention; as shown in fig. 1 and fig. 2, the present embodiment provides an FPC connector, which includes a base 1 and a cover 2, wherein the base 1 is provided with an accommodating groove 11, two ends of the accommodating groove 11 are both provided with openings, and of the two ends provided with the openings, one end of the accommodating groove is provided with a first terminal 3, and one end of the accommodating groove is provided with a second terminal, and the second terminal extends into one of the openings to be in contact with and electrically conductive with the first terminal 3 near the other opening. The cover body 2 is disposed above the accommodating groove 11 and connected to the base 1, the FPC100 is inserted into the accommodating groove 11, and the FPC100 is fixed by the cover body 2 after the first terminal 3 and the second terminal are contacted.

The first terminal 3 penetrates through the bottom of the accommodating groove 11, one side of the first terminal 3 close to the accommodating groove 11 is in contact with the second terminal, the PCB is arranged below the base 1, a third terminal is arranged on the PCB, and the third terminal is in contact with one side of the first terminal 3 far away from the accommodating groove 11, so that the FPC100 is electrically connected with the PCB through the first terminal 3 on the FPC connector.

Still be provided with first connecting block 16 on the base 1, first connecting block 16 is provided with two, and two first connecting blocks 16 set up respectively in the outside of the both sides wall of the storage tank 11 of first terminal 3 place one end, are connected with the PCB through first connecting block 16 to fixed PCB guarantees the stability that third terminal and first terminal 3 are connected. The connection mode of the first connection block 16 and the PCB may be bolt connection, clamping connection or insertion connection.

Through set up storage tank 11 on base 1, arrange FPC100 in storage tank 11, the both ends of storage tank 11 all set up to the opening for FPC100 inserts and does not have the hindrance behind the storage tank 11, thereby also can not arch up, is convenient for inspect the contact condition of first terminal 3 and second terminal moreover. After the first terminals 3 and the second terminals are in good contact, the FPC100 is fixed by the cover 2 to ensure the stability of the contact between the first terminals 3 and the second terminals. The FPC connector according to this embodiment can ensure that the second terminals of the FPC100 make good contact, thereby ensuring the reliability of the electrical connection between the FPC connector and the PCB.

As shown in fig. 2, as an alternative to the FPC connector, a predetermined gap is left between the first terminal 3 and an end face of the end where it is located.

By leaving the preset gap, the second terminal is prevented from being exposed out of the base 1 and being influenced by static electricity in the external environment, so that the phenomenon of short circuit or open circuit is prevented. In this embodiment, the preset gap is not particularly limited, and may be set by a person skilled in the art according to actual situations.

As an alternative to the FPC connector, the opening of the base 1 away from the first terminal 3 is provided with an inclined surface 12, and the inclined surface 12 extends upward from one end of the base 1 away from the first terminal 3 to the accommodating groove 11. By providing the inclined surface 12, insertion of the FPC100 is facilitated.

Optionally, the depth of the end of the accommodating groove 11 close to the first terminal 3 is the same as the thickness of the FPC100, the depth of the end close to the inclined plane 12 is greater than the thickness of the FPC100, and the cover 2 is connected to the end of the base 1 close to the inclined plane 12 to increase the distance between the lower surface of the cover 2 and the bottom of the accommodating groove 11, thereby further preventing the FPC100 from arching during insertion due to the small accommodating space between the accommodating groove 11 and the cover 2.

Fig. 3 is a schematic structural diagram of a cover of an FPC connector according to an embodiment of the present invention; fig. 4 is a cross-sectional view of an FPC connector according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of a FPC according to a first embodiment of the present invention; as shown in fig. 3-5, in an alternative embodiment of the present invention, one end of the cover body 2 is connected to the base 1, and the other end is provided with a pressing boss 21; after the FPC100 is placed in the accommodating groove 11, the pressing boss 21 can abut against the FPC100 to fix the FPC100.

One end of the cover body 2 is connected with one end of the base 1 close to the inclined plane 12, and the pressing boss 21 presses the upper end face of the accommodating groove 11 close to one end of the first terminal 3 when the FPC100 is fixed, and because the depth of the accommodating groove 11 close to the first terminal 3 is the same as the thickness of the FPC100, the accommodating groove 11 can be abutted to the upper surface of the FPC100 at the same time.

The pressing bosses 21 are provided with three, one of the pressing bosses is arranged at one end of the cover body 2 far away from the end where the cover body 2 is connected with the base 1, the other two pressing bosses are respectively arranged at two sides of the cover body 2, and the two pressing bosses 21 positioned at two sides are both positioned in the accommodating groove 11 so as to ensure that the pressing bosses can be abutted against the FPC100 in the accommodating groove 11.

In order to ensure the strength of the FPC100 and prevent the FPC100 from being broken when the pressing boss 21 presses the FPC100, a tear-proof line 102 is added to the FPC100.

The cover body 2 can be rotatably connected with one end of the base 1 and also can be connected in a plugging or clamping manner.

When the cover body 2 is rotatably connected with the base 1, one of the cover body 2 and the base 1 is provided with a rotating shaft, and the other one of the cover body 2 and the base 1 is provided with a through hole matched with the rotating shaft, the cover body 2 is stressed to enable the rotating shaft to rotate in the through hole, the cover body 2 rotates towards the direction far away from the accommodating groove 11, and the FPC100 can be inserted into the accommodating groove 11; the cover 2 rotates toward the direction close to the receiving groove 11, and the pressing boss 21 can abut against the FPC100 to fix the FPC100.

When the cover body 2 is spliced or clamped with the base 1, the splicing block is matched with the splicing groove, the splicing groove is arranged to be a wedge-shaped groove, and the splicing block is matched with the wedge-shaped groove, so that the installation is convenient. Or, through the cooperation of joint groove 13 and joint piece 22, set up joint groove 13 in the outside of the both sides wall of base 1, the joint piece 22 deviates from one side joint of storage tank 11 with base 1 after the cooperation in joint groove 13.

Both sides of the one end that lid 2 and base 1 are connected all are provided with second connecting block 27, and pivot or through-hole, plug-in block or inserting groove, joint groove 13 or joint piece 22 set up on second connecting block 27.

Since the receiving groove 11, the first terminal 3, and the second terminal have manufacturing errors during the process, the first terminal 3 and the second terminal may not be in good contact.

Fig. 6 is a schematic structural diagram of a hidden cover of an FPC connector according to a first embodiment of the present invention; as shown in fig. 6, as an alternative of the FPC connector, a first position-limiting post 111 is disposed in the accommodating groove 11, a first position-limiting hole 101 is disposed on the FPC100, and the first position-limiting post 111 is engaged with the first position-limiting hole 101, so that the FPC100 can move within a predetermined range along the length direction of the accommodating groove 11.

The first limiting hole 101 is arranged to be a waist-shaped hole, the diameter of the first limiting column 111 is the same as the short axis of the waist-shaped hole, when the FPC100 is inserted into the accommodating groove 11, the first limiting column 111 is arranged in the waist-shaped hole, the long axis of the waist-shaped hole is parallel to the length direction of the accommodating groove 11, the FPC100 moves along the long axis direction of the waist-shaped hole to adjust the position of the FPC100, and the second terminal is in good contact with the first terminal 3.

The long axis of the kidney-shaped hole is set according to a preset range, and the preset range is set according to manufacturing errors and effective contact lengths of the first terminal 3 and the second terminal.

As an alternative of the FPC connector, a second limiting post 26 is disposed on the cover 2, a second limiting hole 1111 is disposed in the first limiting post 111, and the second limiting post 26 is matched with the second limiting hole 1111. The second position-limiting post 26 is matched with the second position-limiting hole 1111, so that the position of the cover 2 relative to the base 1 is fixed.

The second limiting hole 1111 can be a wedge-shaped hole, and the second limiting column 26 is matched with the wedge-shaped hole, so that the assembly is facilitated.

Example two

The FPC connector provided in this embodiment has substantially the same structure as the FPC connector provided in the first embodiment, except for the structure of the cover 2 and the connection structure of the cover 2 and the base 1.

Fig. 7 is a schematic view illustrating a state in which a cover of the FPC connector according to the second embodiment of the present invention is located at the highest point of the arc chute; fig. 8 is a schematic view illustrating a state in which a cover of the FPC connector according to the second embodiment of the present invention is located at the lowest point of the arc chute; as shown in fig. 7 and 8, in this embodiment, the cover 2 includes a sliding rod 23 and an abutting plate 24 connected to the sliding rod 23, the two opposite sides of the base 1 are respectively provided with the arc-shaped sliding slots 14, two ends of the sliding rod 23 are respectively disposed in the arc-shaped sliding slots 14 at the two sides, the sliding rod 23 can rotate relative to the arc-shaped sliding slots 14, when the sliding rod 23 is disposed at the highest point of the arc-shaped sliding slot 14, the sliding rod 23 rotates to drive the abutting plate 24 to rotate in a direction away from the accommodating slot 11, and the FPC100 can be inserted into the accommodating slot 11. When the sliding rod 23 moves to the lowest point of the arc-shaped sliding chute 14, the sliding rod 23 rotates to drive the abutting plate 24 to rotate towards the direction close to the accommodating groove 11 and abut against the FPC100, so as to fix the FPC100.

When the sliding rod 23 is located at the highest point of the arc-shaped sliding groove 14, the distance between the sliding rod 23 and the accommodating groove 11 is large, so that the FPC100 can be conveniently inserted; the sliding rod 23 is forced to move to the lowest point of the arc-shaped sliding groove 14 along the arc-shaped sliding groove 14, the distance between the sliding rod 23 and the accommodating groove 11 is reduced, and the sliding rod 23 is rotated to enable the lower surface of the abutting plate 24 to abut against the upper surface of the FPC100.

As an alternative of the FPC connector, the two ends of the sliding rod 23 are both provided with a hook 25, the hook 25 is located on one side of the base 1 away from the accommodating groove 11, the base 1 is further provided with a clamping column 15, the clamping column 15 is located on one side of the lowest point of the arc-shaped sliding groove 14, and when the sliding rod 23 moves to the lowest point of the arc-shaped sliding groove 14, the hook 25 can be clamped with the clamping column 15 in a matching manner. When the hook 25 is engaged with the engagement post 15, the contact plate 24 can apply a contact force to the FPC100 to fix the FPC100.

In this embodiment, the first position-limiting post 111 is not required to be disposed in the receiving groove 11, the first position-limiting hole 101 is not required to be disposed on the FPC100, and the position of the FPC100 can be adjusted before the sliding rod 23 moves to the lowest point of the arc-shaped sliding groove 14, so as to ensure that the first terminal 3 and the second terminal are in good contact.

Of course, in other embodiments, the first limiting post 111 may be disposed in the accommodating groove 11, the first limiting hole 101 matched with the first limiting post 111 is disposed on the FPC100, the second limiting hole is disposed in the first limiting post 111, the second limiting post 26 is disposed on the abutting plate 24, and the second limiting post 26 is matched with the second limiting hole to limit the moving range of the FPC100 along the length direction of the accommodating groove 11, so as to facilitate the contact conduction between the first terminal 3 and the second terminal.

Fig. 9 is a schematic structural view of a cover body with an i-shaped handle of the FPC connector according to the second embodiment of the present invention, as shown in fig. 9, as an alternative to the FPC connector, one end of the abutting plate 24 away from the sliding rod 23 is provided with an i-shaped handle 28, and an operator holds the i-shaped handle 28 to apply force so as to move the sliding rod 23 in the arc-shaped sliding groove 14 and rotate the abutting plate 24.

When the abutting of the abutting plate 24 on the FPC100 is released, the abutting plate 24 is rotated by the i-shaped handle 28 and the abutting plate 24 is pushed in the direction away from the first terminal 3, the hook 25 is disengaged from the clamping column 15, the sliding rod 23 moves to the highest point of the arc-shaped sliding groove 14, and the FPC100 can be normally inserted and extracted.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. An FPC connector, comprising:

the FPC comprises a base (1) and a flexible printed circuit board (FPC), wherein the base is provided with an accommodating groove (11), two ends of the accommodating groove (11) are respectively provided with an opening, the two ends of the accommodating groove are arranged into two ends of the opening, one end of the opening is provided with a first terminal (3), one end of the FPC is provided with a second terminal, and the second terminal extends into the opening from one opening and is in contact with the first terminal (3) close to the other opening for conducting electricity;

the cover body (2) is arranged above the accommodating groove (11) and connected with the base (1), the FPC is inserted into the accommodating groove (11), and the first terminal (3) is fixed to the FPC through the cover body (2) after being contacted with the second terminal.

2. The FPC connector according to claim 1, wherein a predetermined gap is left between the first terminal (3) and an end face of the end where it is located.

3. The FPC connector according to claim 1, wherein the opening of the base (1) away from the first terminal (3) is provided with an inclined surface (12), and the inclined surface (12) extends upward from an end of the base (1) away from the first terminal (3) to the accommodating groove (11).

4. The FPC connector according to claim 1, wherein one end of the cover (2) is connected to the base (1), and the other end is provided with a pressing boss (21); after the FPC is arranged in the accommodating groove (11), the abutting boss (21) can abut against the FPC to fix the FPC.

5. The FPC connector according to claim 4, wherein the cover (2) is rotatably connected to the base (1), one of the cover (2) and the base (1) is provided with a rotating shaft, the other one of the cover (2) and the base (1) is provided with a through hole matched with the rotating shaft, the cover (2) is stressed to enable the rotating shaft to rotate in the through hole, the cover (2) rotates in a direction away from the accommodating groove (11), and the FPC can be inserted into the accommodating groove (11); the cover body (2) rotates towards the direction close to the accommodating groove (11), and the abutting boss (21) can abut against the FPC to fix the FPC.

6. The FPC connector according to claim 4, wherein the cover (2) is plugged or snapped with the base (1).

7. The FPC connector according to claim 1, wherein the cover (2) includes a sliding bar (23) and an abutting plate (24) connected to the sliding bar (23), two opposite sides of the base (1) are each provided with an arc-shaped sliding slot (14), two ends of the sliding bar (23) are respectively disposed in the arc-shaped sliding slots (14) at two sides, the sliding bar (23) is capable of rotating relative to the arc-shaped sliding slots (14), when the sliding bar (23) is disposed at a highest point of the arc-shaped sliding slots (14), the sliding bar (23) rotates to drive the abutting plate (24) to rotate in a direction away from the accommodating slot (11), and the FPC can be inserted into the accommodating slot (11); when the sliding rod (23) moves to the lowest point of the arc-shaped sliding groove (14), the sliding rod (23) rotates to drive the abutting plate (24) to rotate towards the direction close to the accommodating groove (11) and abut against the FPC to fix the FPC.

8. The FPC connector according to claim 7, wherein hooks (25) are disposed at two ends of the sliding rod (23), the hooks (25) are located on one side of the base (1) away from the accommodating groove (11), a locking post (15) is further disposed on the base (1), the locking post (15) is located on one side of the lowest point of the arc-shaped sliding groove (14), and when the sliding rod (23) moves to the lowest point of the arc-shaped sliding groove (14), the hooks (25) can be locked with the locking post (15) in a matching manner.

9. The FPC connector according to any one of claims 1 to 8, wherein a first position-limiting post (111) is disposed in the receiving groove (11), a first position-limiting hole (101) is disposed on the FPC, and the first position-limiting post (111) is engaged with the first position-limiting hole (101) so that the FPC can move within a predetermined range along the length direction of the receiving groove (11).

10. The FPC connector according to claim 9, wherein a second limiting post (26) is disposed on the cover (2), a second limiting hole (1111) is disposed in the first limiting post (111), and the second limiting post (26) is engaged with the second limiting hole (1111).

Images