CN214957419U

CN214957419U - Vertical butt-joint type FFC connector assembly

Info

Publication number: CN214957419U
Application number: CN202121257364.XU
Authority: CN
Inventors: 邱显钰; 钱金
Original assignee: Cvilux Technology Suzhou Co ltd
Current assignee: Cvilux Technology Suzhou Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-30
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a vertical butt joint type FFC connector assembly, which comprises an FFC flat cable, a connector and a PCB (printed circuit board), wherein the FFC flat cable is inserted into the connector, the FFC flat cable and the connector are integrally fixed on the PCB, and the connector comprises an insulating plastic body, a turnover gland and a wiring terminal; the insulating plastic body is provided with an FFC flat cable inserting groove for inserting an FFC flat cable; the FFC flat cable splicing groove is an open structure without a top surface and a front side surface; when the FFC flat cable is inserted, the FFC flat cable is inserted into the FFC flat cable insertion groove in a matching manner along the vertical direction; the rear part of the insulating plastic body is provided with a terminal insertion groove for inserting the wiring terminal; the turnover gland is hinged with the insulating plastic body through a hinge shaft; after the turnover gland covers, pressing down the FFC flat cable; the elastic arm of the connecting terminal is hooked on the hinge shaft; the contact arm of the terminal contacts the FFC flat cable after insertion. The utility model discloses can be convenient for install, dismantle the FFC winding displacement, improve the connection reliability of FFC winding displacement in the connector, guarantee the signal transmission reliability.

Description

Vertical butt-joint type FFC connector assembly

Technical Field

The utility model relates to a connector technical field, in particular to perpendicular to joining in marriage formula FFC connector assembly.

Background

A Flexible Flat Cable (FFC) is a signal transmission device, which has the advantages of being able to be bent at will and high in signal transmission, and thus is widely used in many electronic products. The flexible flat cable is used in combination with an electronic connector to transmit signals from one end to the other end, so as to achieve the purpose of signal transmission, and is generally applied to the fields of various digital communication products, portable electronic products, computer peripheral equipment, measuring instruments, automotive electronics and the like.

In the prior art, when the flexible flat cable is in matching connection with an electronic connector, a mode of inserting from front to back along the horizontal direction is generally adopted; the horizontal insertion of the flexible flat cable is not only difficult to operate, but also easy to insert in place; in addition, after the flexible flat cable is inserted into the electronic connector, the flexible flat cable is easy to loosen in the electronic connector, thereby causing signal connection interruption and causing poor signal transmission.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the utility model aims at providing a vertical to joining in marriage formula FFC connector assembly, be convenient for install, dismantle the FFC winding displacement, improve the connection reliability of FFC winding displacement in the connector, guarantee the signal transmission reliability of whole FFC connector assembly.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

a vertical matching type FFC connector assembly comprises an FFC flat cable, a connector and a PCB, wherein the FFC flat cable is inserted into the connector, the FFC flat cable and the connector are integrally fixed on the PCB, and the connector comprises an insulating plastic body, a turnover gland and a wiring terminal; the front part of the insulating plastic body is provided with an FFC flat cable inserting groove for inserting the FFC flat cable; the FFC flat cable splicing groove extends from front to back and is an open structure without a top surface and a front side surface; when the FFC flat cable is inserted, the FFC flat cable is inserted into the FFC flat cable insertion groove in a matching manner along the vertical direction; the rear part of the insulating plastic body is provided with a plurality of terminal insertion grooves; the wiring terminals are inserted into the corresponding terminal insertion grooves; the turnover gland is positioned above the FFC flat cable insertion groove, one side of the turnover gland is a hinged side, and the hinged side is hinged with the insulating plastic body through a hinged shaft; after the turning gland is covered, pressing down the FFC flat cable inserted into the FFC flat cable insertion groove; the FFC is characterized in that the connecting terminal is provided with an elastic arm, a contact arm and a combination arm connected between the elastic arm and the contact arm, the front end of the elastic arm of the connecting terminal is provided with an elastic hook part, and the elastic hook part is hooked on the hinge shaft; the contact arm of the terminal contacts the FFC flat cable after insertion.

As a further improvement of the above technical solution of the present invention, both sides of the end of the FFC flat cable are respectively provided with an opening, and the left side wall and the right side wall of the FFC flat cable insertion groove are respectively provided with a clamping protrusion protruding into the FFC flat cable insertion groove; the opening of the FFC flat cable after being inserted is clamped with the clamping bulge of the FFC flat cable insertion groove.

As the utility model discloses above-mentioned technical scheme's further improvement, the articulated side of upset gland has the groove of dodging of a plurality of and binding post one-to-one, and binding post's elasticity hook portion inserts in this dodges the groove to the hook is hung on the articulated shaft.

As a further improvement of the above technical solution of the present invention, the end of the hinged side of the turning gland is composed of a first turning inclined plane, a second turning inclined plane, and a cambered surface connected between the first turning inclined plane and the second turning inclined plane; the insulating plastic body is provided with an interference inclined plane matched with the first overturning inclined plane and the second overturning inclined plane.

As the utility model discloses above-mentioned technical scheme further improve, the left and right sides of upset gland is equipped with the buckle respectively, and is corresponding, the left side inboard and the right side inboard of the insulating plastic body be equipped with respectively with buckle complex draw-in groove, after the upset gland lid closed, the draw-in groove was gone into to the buckle card.

As the utility model discloses above-mentioned technical scheme's further improvement, the tip of binding post's contact arm has the contact arch with the FFC winding displacement contact, and the bottom of binding post's combination arm has the weld part with PCB board welded.

As the utility model provides an above-mentioned technical scheme further improve, it is protruding to be equipped with the backstop on binding post's the rear side, and after binding post inserted the terminal inserting groove of the insulating plastic body, the backstop was protruding to be kept off and is leaned on the rear side of the insulating plastic body to realize the reliable location of binding post when inserting.

The utility model has the advantages that:

the FFC flat cable inserting groove of the insulating plastic body of the connector is an open structure without a top surface and a front side surface, so that the FFC flat cable can be inserted into the FFC flat cable inserting groove along a vertical direction in a matching manner when being inserted; in order to ensure the positioning accuracy of the FFC flat cable in vertical alignment, the FFC flat cable is provided with an opening, and the side wall of the FFC flat cable insertion groove is provided with a clamping protrusion, so that when the FFC flat cable is vertically aligned, the opening of the FFC flat cable is clamped with the clamping protrusion of the FFC flat cable insertion groove, and accurate positioning and assembling are realized. The utility model discloses a structural design can realize that the FFC winding displacement from last to inserting the FFC winding displacement inserting groove of the insulating plastic body perpendicularly down, has made things convenient for the dismouting operation of FFC winding displacement, and makes FFC winding displacement location high to joining in marriage the precision.

The front end of the elastic arm of the connecting terminal of the utility model is provided with an elastic hook part which is hooked on an articulated shaft for articulating the turnover gland and the insulating plastic body; the turnover gland can be turned over to open or close; binding post's elastic arm hook is hung on the articulated shaft, and binding post's elastic force acts on the upset gland for the upset gland has stronger holding down force when the lid closes, in order to carry out more reliable pushing down to the FFC winding displacement, guarantees the continuous contact between golden finger of FFC winding displacement and the binding post, improves the connection reliability of FFC winding displacement in the insulating plastic body, guarantees the signal transmission nature of whole FFC connector assembly.

Drawings

Fig. 1 is a schematic view of the overall structure of the vertical mating FFC connector assembly of the present invention.

Fig. 2 is a schematic cross-sectional view of the vertical mating FFC connector assembly according to the present invention, wherein the turning cover is not closed.

Fig. 3 is a schematic diagram of the vertical mating FFC connector assembly according to the present invention.

Fig. 4 is a schematic structural view of the FFC bus in the vertical mating FFC connector assembly of the present invention.

Fig. 5 is a schematic structural diagram of the connecting terminal in the vertical mating type FFC connector assembly of the present invention.

Fig. 6 is a schematic structural diagram of the turning gland in the vertical mating FFC connector assembly of the present invention.

Fig. 7 is an assembly view of the vertical mating FFC connector assembly of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

In the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, 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.

As shown in fig. 1 to 7, a vertical mating type FFC connector assembly includes an FFC bus bar 1, a connector 2 and a PCB (in the drawings), wherein the FFC bus bar 1 is inserted into the connector 2, the FFC bus bar 1 and the connector 2 are integrally fixed on the PCB, and the connector 2 includes an insulating plastic body 21, a flip cover 22 and a connection terminal 23; the front part of the insulating plastic body 21 is provided with an FFC flat cable insertion groove 211 for inserting the FFC flat cable 1; the FFC bus bar insertion groove 211 extends from front to back, and is an open structure without a top surface and a front side surface; the FFC bus bar 1 is inserted into the FFC bus bar insertion groove 211 in a vertically aligned manner.

When the FFC flat cable 1 is inserted, in order to ensure the accuracy of positioning and assembling the FFC flat cable 1 and the insulating plastic body 21, the two sides of the end part of the FFC flat cable 1 are respectively provided with an opening 11, and the left side wall and the right side wall of the FFC flat cable insertion groove 211 of the insulating plastic body 21 are respectively provided with a clamping protrusion 212 protruding into the FFC flat cable insertion groove; the opening 11 of the inserted FFC flat cable 1 is clamped with the clamping protrusion 212 of the FFC flat cable insertion groove 211, so that the positioning accuracy is improved.

The rear part of the insulating plastic body 21 is provided with a plurality of terminal insertion grooves 213; the connection terminal 23 is inserted into the corresponding terminal insertion groove 213; the turning gland 22 is positioned above the FFC flat cable insertion groove 211, one side of the turning gland 22 is a hinged side, and the hinged side is hinged with the insulating plastic body 21 through a hinged shaft 24; after the turning cover 22 is covered, pressing down the FFC flat cable 1 inserted into the FFC flat cable insertion groove 211; the hinged side of the turnover gland 22 is also provided with a plurality of avoidance grooves corresponding to the wiring terminals 23 one by one; the connection terminal 23 has an elastic arm 231, a contact arm 232 and a connection arm 233 connected between the elastic arm 231 and the contact arm 232, the front end of the elastic arm 231 of the connection terminal 32 has an elastic hook 2311, the elastic hook 2311 of the connection terminal 23 is inserted into the escape groove of the flip cover 22 and hooked on the hinge shaft 24; the end of the contact arm 232 of the terminal 23 has a contact protrusion 2321 contacting the FFC bus bar 1, and the bottom of the coupling arm 233 of the terminal 23 has a soldering portion 2331 to be soldered to the PCB.

The flip cover 22 in the FFC connector assembly can be flipped to open or close; in order to improve the reliability of the opening or closing action of the turnover gland and ensure the matching pressing reliability between the turnover gland 22 and the FFC flat cable 1, the end part of the hinged side of the turnover gland 22 is designed into a structure consisting of a first turnover inclined surface 222, a second turnover inclined surface 223 and an arc surface 224, and the arc surface 224 is connected between the first turnover inclined surface 222 and the second turnover inclined surface 223; the hinge shaft 24 is eccentrically designed relative to the arc surface 224; and the inner side of the insulating plastic body 21 has an interference slope 214 matching with the first and second reversed

slopes

222 and 223. When the turning gland 22 is opened, the first turning inclined surface 222 is interfered by the interference inclined surface 214 of the insulating plastic body 21, so that the turning gland 22 does not rotate any more after being in a vertical state; when the turning cover 22 is closed, the second turning inclined surface 223 is interfered by the interference inclined surface 214 of the insulating plastic body 21, so that the turning cover 22 is not pressed down any more after being in a horizontal state.

As shown in fig. 3, in order to improve the reliability of the turned gland 22 after being covered, the left and right sides of the turned gland 22 are respectively provided with a buckle 221, correspondingly, the left inner side and the right inner side of the insulating plastic body 1 are respectively provided with a slot matched with the buckle 221, and after the turned gland 22 is covered, the buckle 221 is clamped into the slot.

Furthermore, the rear side of the connecting terminal 23 is provided with a stopping projection 234, and after the connecting terminal 23 is inserted into the terminal insertion groove 213 of the insulating plastic body 21, the stopping projection 234 abuts against the rear side of the insulating plastic body 21, so that the connecting terminal 23 can be reliably positioned during insertion.

As shown in fig. 7, when the FFC bus bar 1 and the connector 2 are assembled, the turning cover 22 is opened to be in a vertical state, the FFC bus bar 1 is then placed above the FFC bus bar insertion groove 211 of the insulating plastic body 21, the FFC bus bar 1 is vertically inserted into the FFC bus bar insertion groove 211 from top to bottom, and the opening 11 of the FFC bus bar 1 is engaged with the engaging protrusion 212 of the FFC bus bar insertion groove 211; then, the turnover gland 22 is pushed forwards, and after the turnover gland 22 is in an inclined state, downward pressure is applied to press down the turnover gland 22 to cover the FFC flat cable 1; after the assembly is finished, the golden finger area of the FFC flat cable 1 is contacted with the contact protrusion 2321 of the wiring terminal 23 inserted on the connector 2; the whole FFC connector assembly is fixed on the PCB, and the soldering portion 2331 of the connecting terminal 23 is soldered to the PCB, thereby realizing signal conduction and transmission.

Compared with the prior art, the FFC flat cable insertion groove 211 of the insulating plastic body 21 of the connector is an open structure without a top surface and a front side surface, so that the FFC flat cable 1 can be inserted into the FFC flat cable insertion groove 211 in a matching manner along the vertical direction when being inserted; in order to ensure the positioning accuracy of the vertical alignment of the FFC flat cable, the FFC flat cable 1 is provided with an opening 11, and the side wall of the FFC flat cable insertion groove 211 is provided with a clamping protrusion 212, so that when the FFC flat cable 1 is vertically aligned, the opening 11 of the FFC flat cable 1 is clamped with the clamping protrusion 212 of the FFC flat cable insertion groove 211, and the accurate positioning assembly is realized. The utility model discloses a structural design can realize that the FFC winding displacement from last to inserting the FFC winding displacement inserting groove of the insulating plastic body perpendicularly down, has made things convenient for the dismouting operation of FFC winding displacement, and makes FFC winding displacement location high to joining in marriage the precision.

Furthermore, the utility model discloses a binding post 23's elastic arm 231 hooks on carrying out articulated shaft 24 to upset gland 22 and insulating plastic body 21, thereby, binding post 23's elastic arm 231's elastic force acts on upset gland 22, make upset gland 22 have stronger holding down force when the lid closes, in order to carry out more reliable pushing down to FFC winding displacement 1, guarantee the continuous contact between FFC winding displacement 1's golden finger and the binding post 23, improve the connection reliability of FFC winding displacement 1 in insulating plastic body 21, guarantee the signal transmission nature of whole FFC connector assembly.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A vertical mating type FFC connector assembly comprises an FFC flat cable, a connector and a PCB, wherein the FFC flat cable is inserted into the connector, the FFC flat cable and the connector are integrally fixed on the PCB, and the vertical mating type FFC connector assembly is characterized in that: the connector comprises an insulating plastic body, a turnover gland and a wiring terminal; the front part of the insulating plastic body is provided with an FFC flat cable inserting groove for inserting the FFC flat cable; the FFC flat cable splicing groove extends from front to back and is an open structure without a top surface and a front side surface; when the FFC flat cable is inserted, the FFC flat cable is inserted into the FFC flat cable insertion groove in a matching manner along the vertical direction; the rear part of the insulating plastic body is provided with a plurality of terminal insertion grooves; the wiring terminals are inserted into the corresponding terminal insertion grooves; the turnover gland is positioned above the FFC flat cable insertion groove, one side of the turnover gland is a hinged side, and the hinged side is hinged with the insulating plastic body through a hinged shaft; after the turning gland is covered, pressing down the FFC flat cable inserted into the FFC flat cable insertion groove; the connecting terminal is provided with an elastic arm, a contact arm and a combination arm connected between the elastic arm and the contact arm, and the front end of the elastic arm of the connecting terminal is provided with an elastic hook part which is hooked on the hinge shaft; the contact arm of the terminal contacts the FFC flat cable after insertion.

2. The vertically mating FFC connector assembly of claim 1, wherein openings are formed on both sides of the end of the FFC flat cable, and clamping protrusions protruding into the FFC flat cable insertion groove are respectively formed on the left side wall and the right side wall of the FFC flat cable insertion groove; the opening of the FFC flat cable after being inserted is clamped with the clamping bulge of the FFC flat cable insertion groove.

3. The connector assembly of claim 1, wherein the hinge side of the flip cover has a plurality of escape grooves corresponding one-to-one to the terminals, and the elastic hook portions of the terminals are inserted into the escape grooves to be hooked on the hinge shafts.

4. The connector assembly of claim 1, wherein the hinged side end of the flip cover is formed of a first flip slope, a second flip slope and a curved surface connecting between the first flip slope and the second flip slope; the insulating plastic body is provided with an interference inclined plane matched with the first overturning inclined plane and the second overturning inclined plane.

5. The vertical mating FFC connector assembly of claim 1, wherein the turning gland has left and right side snap-fit grooves, the left and right inner side snap-fit grooves are provided with snap-fit grooves, and the snap-fit grooves snap-fit into the snap-fit grooves after the turning gland is closed.

6. The connector assembly of claim 1, wherein the contact arms of the terminals have contact protrusions at their ends for contacting the FFC flat cable, and the engaging arms of the terminals have soldering portions at their bottoms for soldering to a PCB.

7. The connector assembly of claim 1, wherein the connecting terminal is provided with a stopping protrusion on a rear side thereof, and the stopping protrusion stops against the rear side of the insulating plastic body when the connecting terminal is inserted into the terminal insertion groove of the insulating plastic body.