CN209929528U

CN209929528U - Connection structure of FPC connector and FFC line

Info

Publication number: CN209929528U
Application number: CN201920818631.2U
Authority: CN
Inventors: 丁金巧; 叶文巨
Original assignee: Yueqing Huabao Electronics Co Ltd
Current assignee: Yueqing Huabao Electronics Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-10
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a connecting structure of a FPC connector and an FFC wire, which is used for connecting the FFC wire and comprises a base, wherein a plurality of conductive terminals are inserted in the base side by side, a buckle used for fixing the conductive terminals is arranged on the base, and soldering lugs are arranged at two ends of the base; the end part of the FFC wire is provided with a limiting bulge, two sides of the inserting end of the base are respectively provided with a limiting fixture block corresponding to the limiting bulge, and the limiting fixture blocks have a gear function on the limiting bulge. The utility model discloses can prevent that the FFC line from droing, guarantee with FFC line linkage unit's normal work.

Description

Connection structure of FPC connector and FFC line

Technical Field

The utility model relates to a connection structure, especially a connection structure of anti-drop's FPC connector and FFC line.

Background

The FPC (Flexible Printed Circuit Board (PCB) which is translated into Chinese is a Flexible Printed Circuit board, in common speaking, a PCB made of Flexible materials (materials which can be folded and bent)) connector is used for connecting an LCD display screen to a driving Circuit (PCB), and the connector mainly takes 0.5mm pitch products as main materials. 0.3mm pitch products have also been used in large quantities. With the trend of integrating LCD drivers into LCD devices, the pin count of FPCs is reduced accordingly, and related products are already on the market. In the longer direction, the FPC connector is expected to be integrated with other mobile phone components on the frame of the mobile phone or the LCD module thereof. The existing FFC wire is easy to loosen or even fall off under the action of external factors (such as vibration) after being connected with an FPC connector, and directly influences a working unit connected with the FFC wire.

Disclosure of Invention

An object of the utility model is to provide a connection structure of FPC connector and FFC line. The utility model discloses can prevent that the FFC line from droing, guarantee with FFC line linkage unit's normal work.

The technical scheme of the utility model: a connection structure of an FPC connector and an FFC wire comprises a base, wherein a plurality of conductive terminals are inserted into the base side by side, a buckle used for fixing the conductive terminals is arranged on the base, and soldering lugs are arranged at two ends of the base; the end part of the FFC wire is provided with a limiting bulge, two sides of the inserting end of the base are respectively provided with a limiting fixture block corresponding to the limiting bulge, and the limiting fixture blocks have a gear function on the limiting bulge.

In the connection structure of the FPC connector and the FFC wire, the limiting fixture block is provided with a guiding inclined plane, and the guiding inclined plane plays a role in guiding the FFC wire along the insertion direction.

In the connection structure of the FPC connector and the FFC wire, a tape positioning groove is provided between the limiting fixture block and the base, and the limiting protrusion is provided in the tape positioning groove.

In the connection structure of the FPC connector and the FFC wire, the insertion end of the conductive terminal is provided with an upper contact arm and a lower contact arm for clamping the FFC wire.

In the connection structure of the FPC connector and the FFC wire, the upper contact arm and the lower contact arm are respectively provided with one tip contact block, and the two tip contact blocks are arranged oppositely.

In the foregoing connection structure of the FPC connector and the FFC line, a distance between the two tip contact blocks is smaller than a thickness of the FFC line.

Among the aforementioned connection structure of FPC connector and FFC line, be equipped with a plurality of mounting grooves of going up on the buckle, the front portion of buckle is equipped with the spacing sand grip that acts on the base top, be equipped with on the base with go up the corresponding lower mounting groove of mounting groove, conductive terminal's stiff end is equipped with fixed arm and lower fixed arm, goes up the fixed arm setting in the last mounting groove that corresponds, and lower fixed arm and lower contact arm set up in the mounting groove under, just fixed arm and base joggle down.

In the connection structure of the FPC connector and the FFC wire, the bottom of the lower contact arm is provided with a fixing foot, and the fixing foot is provided with a tip extrusion block acting on the lower mounting groove.

In the connection structure of the FPC connector and the FFC wire, a fixing pile is arranged in the upper mounting groove, and a clamping groove matched with the fixing pile is formed in the upper fixing arm.

In the connection structure of the FPC connector and the FFC wire, two ends of the buckle are respectively provided with a support column, and the base is provided with a groove body matched with the support column.

In the connection structure of the FPC connector and the FFC wire, the base is made of a high-temperature resistant plastic material.

In the connection structure of the FPC connector and the FFC wire, the surface of the conductive terminal is plated with gold.

Compared with the prior art, the utility model discloses the tip of FFC line has spacing arch, and the both sides that the base inserted the end have set up one respectively with spacing protruding corresponding spacing fixture block. After the end part of the FFC wire is inserted into the insertion end of the FPC connector, the limiting clamping block at the insertion end of the base clamps the limiting bulge on the FFC wire, so that the FFC wire is fixed, and the FFC wire on the FPC connector is prevented from falling off due to external factors such as vibration, and the normal operation of a working unit connected with the FFC wire is ensured.

The utility model discloses a guiding inclined plane on the spacing fixture block plays the guide effect along inserting the direction to the FFC line, makes things convenient for the FFC line to insert the FPC connector.

The utility model discloses a spacing arch sets up between spacing fixture block and base and takes the constant head tank in for spacing arch does not take place not hard up, prevents that the FFC line from droing.

The utility model discloses an upper contact arm and lower contact arm that are used for pressing from both sides tight FFC line have on the conductive terminal. When the end of the FFC wire is inserted into the insertion end of the FPC connector, the upper contact arm and the lower contact arm of the conductive terminal clamp the FFC wire, and the FFC wire can be electrically connected with the FPC connector no matter the FFC wire is inserted into the front side or the back side, so that the FFC wire connector is very convenient to use, and the experience effect of a user is greatly increased.

The utility model discloses conductive terminal's last fixed arm is fixed in the last mounting groove of buckle, and conductive terminal's lower fixed arm and base joggle to realize conductive terminal's fixed.

The utility model discloses have the pointed end extrusion piece that acts on mounting groove down on the fixed foot of lower contact arm bottom, thereby the frictional force between mounting groove increase fixed foot and the lower mounting groove has improved conductive terminal's fixed effect greatly under the pointed end extrusion piece extrudees.

The utility model discloses an upward have the spud pile in the mounting groove, go up the draw-in groove and the spud pile looks block of fixed arm, can prevent that conductive terminal in use from taking place the displacement to the buckle can rotate round the draw-in groove.

The utility model discloses an upward have a most advanced contact piece on contact arm and the lower contact arm respectively, and two most advanced contact pieces set up relatively, through the conducting surface of most advanced contact piece contact FFC line, not only can promote the fixed effect of FFC line and FPC connector, can strengthen the contact effect of contact arm or lower contact arm and FFC line conducting surface moreover, prevent that FFC line conducting surface local bending from leading to FFC line and FPC connector can not well be connected with the electricity.

The utility model discloses a base adopts high temperature resistant plastic material, has mechanical strength height, high temperature resistant, chemical resistance, difficult fire, thermal stability is good, advantages such as electrical property is good.

Drawings

Fig. 1 is a schematic structural view of the FPC connector of the present invention;

fig. 2 is a cross-sectional view of the FPC connector of the present invention;

fig. 3 is a rear view of the FPC connector of the present invention;

fig. 4 is an overall schematic structural view of the present invention.

The labels in the figures are: 1-base, 2-conductive terminal, 3-buckle, 4-soldering lug, 5-upper contact arm, 6-lower contact arm, 7-tip contact block, 8-fixing pin, 9-tip extrusion block, 10-lower mounting groove, 11-upper mounting groove, 12-upper fixing arm, 13-lower fixing arm, 14-fixing pile, 15-clamping groove, 16-supporting column, 17-groove body, 18-limiting clamping block, 19-limiting convex strip, 20-FFC wire, 21-limiting bulge, 22-positioning groove, 23-FPC connector and 24-guiding inclined plane.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended as a limitation to the present invention.

Example (b): a connection structure of an FPC connector and an FFC wire is shown in attached figures 1-4, wherein the FPC connector 23 comprises a base 1, the base 1 is made of high-temperature-resistant plastic materials, and the FPC connector has the advantages of being high in mechanical strength, high in temperature resistance, chemical resistance, flame retardant, good in thermal stability, excellent in electrical performance and the like. A plurality of conductive terminals 2 are inserted in the base 1 side by side, the distances between the adjacent conductive terminals 2 are equal, and the surfaces of the conductive terminals 2 are plated with gold, so that the conductive terminals 2 can be protected from corrosion, and the conductive capability of the conductive terminals 2 can be enhanced. The base 1 is provided with a buckle 3 for fixing the conductive terminal 2, and two ends of the base 1 are provided with soldering lugs 4; the end part of the FFC wire 20 is provided with a limiting bulge 21 for positioning when the FFC wire 20 is inserted into the FPC connector 23, two sides of the insertion end of the base 1 are respectively provided with a limiting fixture block 18 corresponding to the limiting bulge 21, and the limiting fixture block 18 plays a role in blocking the limiting bulge 21. After the end of the FFC wire 20 is inserted into the insertion end of the FPC connector 23, the limit fixture block 18 at the insertion end of the base 1 clamps the limit bulge 21 on the FFC wire 20, so that the FFC wire 20 is fixed, the FFC wire 20 on the FPC connector 23 is prevented from falling off due to external factors such as vibration, and the normal operation of a working unit connected with the FFC wire is ensured. The limiting fixture block 18 is provided with a guiding inclined surface 24, the guiding inclined surface 24 plays a role in guiding the FFC wire 20 along the insertion direction, the FFC wire 20 is conveniently inserted into the FPC connector 23, a belt positioning groove 22 is arranged between the limiting fixture block 18 and the base 1, and the limiting protrusion 21 is arranged in the belt positioning groove 22, so that the limiting protrusion 21 is not loosened, and the FFC wire 20 is prevented from falling off. The inserting end of the conductive terminal 2 is provided with an upper contact arm 5 and a lower contact arm 6 which are used for clamping an FFC wire 20, the upper contact arm 5 and the lower contact arm 6 are located on the same vertical surface, the FFC wire 20 can be electrically connected with an FPC connector 23 no matter the FFC wire 20 is inserted into the front side or the back side due to the design of the two contact arms, the use is very convenient, the experience effect of a user is greatly increased, the upper contact arm 5 and the lower contact arm 6 are respectively provided with a tip contact block 7, the two tip contact blocks 7 are oppositely arranged, and the distance between the two tip contact blocks 7 is smaller than the thickness of the FFC wire 20; the distance between the two tip contact blocks 7 is smaller than the thickness of the FFC wire 20, the FFC wire 20 and the FPC connector 23 can be fixed better by the fact that the tip contact blocks 7 contact the conductive surface of the FFC wire 20, the contact effect of the upper contact arm 5 or the lower contact arm 6 and the conductive surface of the FFC wire 20 can be enhanced, and the FFC wire 20 and the FPC connector 23 cannot be well electrically connected due to the fact that the surface of the conductive surface of the FFC wire 20 is partially bent is prevented.

As shown in fig. 2, a plurality of upper mounting grooves 11 are formed in the buckle 3, the number of the upper mounting grooves 11 is the same as that of the conductive terminals 2, a limiting protruding strip 19 acting on the top of the base 1 is arranged at the front part of the buckle 3, lower mounting grooves 10 corresponding to the upper mounting grooves 11 are formed in the base 1, and the number of the lower mounting grooves 10 is the same as that of the upper mounting grooves 11. The fixed end of conductive terminal 2 is equipped with fixed arm 12 and fixed arm 13 down, goes up fixed arm 12 and sets up in the last mounting groove 11 that corresponds, and fixed arm 13 and lower contact arm 6 set up in mounting groove 10 down, just fixed arm 13 and base 1 joggle down. The bottom of lower contact arm 6 is equipped with fixed foot 8, is equipped with the most advanced extrusion piece 9 that acts on mounting groove 10 down on the fixed foot 8, thereby mounting groove 10 and the frictional force between the mounting groove 10 down of the fixed foot of increase have improved conductive terminal 2's fixed effect greatly under the extrusion of most advanced extrusion piece 9. The fixing pile 14 is arranged in the upper mounting groove 11, the clamping groove 15 matched with the fixing pile 14 is formed in the upper fixing arm 12, the conductive terminal 2 can be prevented from being displaced in use due to the design, and the buckle 3 can rotate around the clamping groove 15, so that the mounting and dismounting are convenient. Two ends of the buckle 3 are respectively provided with a supporting column 16, the base 1 is provided with a groove body 17 matched with the supporting column 16, the buckle 3 drives the supporting column 16 to rotate when rotating, and the supporting column 16 rotates in the groove body 17. The connection mode of the whole structure is very simple, and the disassembly is very convenient.

In addition, the FFC connectors of different specifications can be selected according to the FPC lines 20 of different specifications, that is, different numbers of the lead terminals 2 are embedded in the FFC connectors.

The working principle is as follows: the utility model discloses an upper contact arm 5 and lower contact arm 6 that are used for pressing from both sides tight FFC line 20 have on conductive terminal 2, and the both sides that base 1 inserted the end have set up a spacing fixture block 18 corresponding with spacing arch 21 respectively. When the end of the FFC wire 20 is inserted into the insertion end of the FPC connector 23, the upper contact arm 5 and the lower contact arm 6 of the conductive terminal 2 clamp the FFC wire 20, and no matter the FFC wire 20 is inserted into the front side or the back side, the FFC wire 20 and the FPC connector 23 can be electrically connected, so that the use is very convenient, and the experience effect of a user is greatly increased. The FFC wire 20 is provided with a limiting bulge 21, and a limiting fixture block 18 at the insertion end of the base 1 is used for clamping the limiting bulge 21 on the FFC wire 20, so that the FFC wire 20 is fixed, the FFC wire 20 on the FPC connector 23 is prevented from falling off due to external factors such as vibration, and the normal operation of a working unit connected with the FFC wire is ensured.

Claims

1. A connection structure of an FPC connector and an FFC wire is characterized in that the FPC connector (23) comprises a base (1), a plurality of conductive terminals (2) are inserted into the base (1) side by side, a buckle (3) used for fixing the conductive terminals (2) is arranged on the base (1), and soldering lugs (4) are arranged at two ends of the base (1); the method is characterized in that: the end part of the FFC wire (20) is provided with a limiting bulge (21), two sides of the insertion end of the base (1) are respectively provided with a limiting fixture block (18) corresponding to the limiting bulge (21), and the limiting fixture blocks (18) have a gear function on the limiting bulge (21).

2. The structure of claim 1, wherein: the limiting fixture block (18) is provided with a guide inclined plane (24), and the guide inclined plane (24) plays a role in guiding the FFC wire (20) along the insertion direction.

3. The structure of claim 1, wherein: a belt positioning groove (22) is arranged between the limiting clamping block (18) and the base (1), and the limiting bulge (21) is arranged in the belt positioning groove (22).

4. The structure of claim 1, wherein: the inserting end of the conductive terminal (2) is provided with an upper contact arm (5) and a lower contact arm (6) which are used for clamping the FFC wire (20).

5. The structure of claim 4, wherein: the upper contact arm (5) and the lower contact arm (6) are respectively provided with a tip contact block (7), and the two tip contact blocks (7) are arranged oppositely.

6. The structure of claim 4, wherein: be equipped with a plurality of mounting groove (11) of going up on buckle (3), the front portion of buckle (3) is equipped with spacing sand grip (19) that act on base (1) top, be equipped with on base (1) with go up corresponding lower mounting groove (10) of mounting groove (11), the stiff end of conductive terminal (2) is equipped with fixed arm (12) and lower fixed arm (13), goes up fixed arm (12) and sets up in last mounting groove (11) that corresponds, and lower fixed arm (13) and lower contact arm (6) set up under in mounting groove (10), just fixed arm (13) and base (1) joggle down.

7. The structure of claim 6, wherein: the bottom of lower contact arm (6) is equipped with fixed foot (8), is equipped with most advanced extrusion piece (9) that act on mounting groove (10) down on fixed foot (8).

8. The structure of claim 6, wherein: a fixing pile (14) is arranged in the upper mounting groove (11), and a clamping groove (15) matched with the fixing pile (14) is formed in the upper fixing arm (12).

9. The structure of claim 1, wherein: two ends of the buckle (3) are respectively provided with a supporting column (16), and the base (1) is provided with a groove body (17) matched with the supporting column (16).

10. The structure of claim 1, wherein: the base (1) is made of high-temperature-resistant plastic materials.