CN210607745U

CN210607745U - Flexible soft board electric connector

Info

Publication number: CN210607745U
Application number: CN201921789277.1U
Authority: CN
Inventors: 孙运松; 吴永发; 姚宏江; 方志宏; 毛玉华
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-05-22
Anticipated expiration: 2029-10-23

Abstract

The utility model provides a flexible soft board electric connector, including insulator, install the casing on insulator and install the terminal in insulator, the terminal is equipped with U type centre gripping arm and the weld part that extends from U type centre gripping arm rear end, U type centre gripping arm is equipped with the crimping in the upper arm of flexible soft board upper surface and the lower arm of crimping in flexible soft board lower surface. Compared with the prior art, the utility model discloses an improve the structure of terminal, utilize the upper arm and the underarm of terminal to grasp flexible soft board FPC's upper and lower surface simultaneously for contact between terminal and the flexible soft board is more reliable and more stable.

Description

Flexible soft board electric connector

Technical Field

The utility model relates to an electric connection field especially relates to a flexible soft board electric connector.

Background

With the trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of parts of the consumer electronic products are higher and higher, and as the consumer electronic products are lighter and thinner, the space inside the consumer electronic products becomes very narrow, so that the requirement that the inside of the consumer electronic products must be densely arranged is met, and the volume of each electronic part is smaller and lighter and thinner. An FPC/FFC FPC connector is a common electrical connector used in consumer electronics, and is usually mounted on a circuit board for insertion of a FPC. The existing flexible soft board electric connector is generally provided with an insulating body and a rotary cover plate arranged on the insulating body, a metal terminal is arranged in the insulating body and is used for being electrically connected with an inserted flexible soft board, in the operation process, the electric connector can be inserted into or pulled out of the flexible soft board only by turning the rotary cover plate to an open state, and when the flexible soft board is completely inserted into the electric connector, the flexible soft board can be compressed tightly only by turning the rotary cover plate to a closed state, so that the flexible soft board is stably fixed in the insulating body. However, the rotating cover plate in the existing product is usually directly pivoted and matched with the metal terminal, and the pivot shaft of the rotating cover plate needs to be clamped into the groove on the metal terminal, so that the pivot shaft can rotate in the groove.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a flexible soft board electric connector to improve the connection reliability between terminal and the flexible soft board among the prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a flexible soft board electric connector, includes insulator, installs the casing on insulator and installs the terminal in insulator, the terminal is equipped with U type centre gripping arm and the welding part that extends from U type centre gripping arm rear end, U type centre gripping arm is equipped with the upper arm of crimping in flexible soft board upper surface and the underarm of crimping in flexible soft board lower surface.

Further, the length of the upper arm is longer than the length of the lower arm.

Further, the tail end of the upper arm is provided with a contact part protruding downwards, and the contact part is in contact with the upper surface of the flexible soft board.

Further, the housing is a rotary housing which is pivotally engaged with the insulating body to achieve opening and closing.

Furthermore, the rotary shell is provided with a cover plate part, a pivot shaft extending from two ends of the front side edge of the cover plate part and a pair of buckling parts extending from the rear side edge of the cover plate part in a bending way.

Furthermore, the insulating body is provided with a bottom wall, a pair of end walls positioned at two ends of the bottom wall and a rear wall connected with the two end walls, and the end walls or the rear wall are provided with locking parts matched with the buckling parts in a buckling mode.

Further, the front end of the end wall is provided with a groove matched with the pivot shaft, and the opening direction of the groove is the same as that of the U-shaped clamping arm.

Furthermore, an inclined guide surface is arranged above the locking part.

Furthermore, the cover plate part is flat and is provided with a pair of L-shaped openings and a pair of locking elastic sheets positioned in the L-shaped openings, the locking elastic sheets extend forwards from the rear side edge of the cover plate part, and the tail ends of the locking elastic sheets downwards protrude out of the triangular hook parts for locking the flexible soft plate.

Compared with the prior art, the utility model discloses an improve the structure of terminal, utilize the upper arm and the underarm of terminal to grasp flexible soft board FPC's upper and lower surface simultaneously for contact between terminal and the flexible soft board is more reliable and more stable.

Drawings

Fig. 1 is a perspective view of the flexible printed circuit board electrical connector according to the present invention when the rotating housing is closed.

Fig. 2 is a perspective view of the rotating housing of the flexible printed circuit board electrical connector according to the present invention when opened.

Fig. 3 is an exploded view of the flexible printed circuit board electrical connector of the present invention.

Fig. 4 is a cross-sectional view of the flexible printed circuit board electrical connector of the present invention in a use state.

Fig. 5 is a side view of the rotating housing of the flexible printed circuit board electrical connector of the present invention.

Fig. 6 is a perspective view of another view angle of the flexible printed circuit board electrical connector according to the present invention when the rotating housing is closed.

Fig. 7 is a perspective view of another view angle of the rotating housing of the flexible printed circuit board electrical connector according to the present invention.

Detailed Description

Referring to fig. 1 to 7, the present invention provides a flexible printed circuit board electrical connector 100, which includes an insulating housing 10, a terminal 20 fixed in the insulating housing 10, a rotating housing 30 mounted on the insulating housing 10, and fixing members 40 fixed at two ends of the insulating housing 10.

The insulating body 10 is longitudinal, and is provided with a bottom wall 11 extending horizontally, a pair of end walls 12 protruding upwards from two longitudinal ends of the bottom wall 11, and a rear wall 13 connecting the two end walls 12, the bottom wall 11 is provided with a plurality of terminal 20 slots for accommodating the terminals 20, the bottom wall 11 is arranged opposite to the inner surface of the rotating housing 30, and after the housing 30 is mounted on the insulating body 10, a slot 14 for inserting the flexible board 200 is directly formed between the bottom wall 11 and the housing 30. The top surface of the end wall 12 is higher than the bottom wall 11, and the rear end of the end wall 12 extends rearward beyond the rear wall 13 to form a protrusion 15, the protrusion 15 is provided with an inclined guide surface 16 and a locking portion 17 located below the guide surface 16, of course, the protrusion 15 may also be provided on the rear wall 13, and the purpose of locking the rotary housing 30 may also be achieved. In addition, a fixing hole 18 for installing the fixing member 40 is further formed in the end wall 12, a groove 19 matched with the rotary housing 30 is formed in the front end of the end wall 12, and the direction of the groove 19 is the same as that of the slot 14. The top surface of the rear wall 13 is higher than the bottom wall 11 for holding the terminals 20.

The rotary case 30 is provided with a cover plate 31, a pivot shaft 32 protruding outward from both ends of the front edge of the cover plate 31, and a locking portion 33 bent and extending from the rear edge of the cover plate 31. Wherein the cover plate portion 31 is covered above the bottom wall 11, the front side edge of the cover plate portion 31 is the insertion side of the flexible printed circuit board 200, and the pivot shaft 32 is installed in the groove 19 of the end wall 12, as shown in fig. 2 and 3, the cover plate portion 31 is in a flat plate shape, and is provided with a pair of L-shaped openings 34 and a pair of L-shaped locking elastic pieces 35 located in the L-shaped openings 34, the locking elastic pieces 35 are integrally formed by punching from the cover plate portion 31, so as to form the L-shaped openings 34 on the cover plate portion 31, the rear end of the locking elastic pieces 35 is integrally connected with the cover plate portion 31, the front end is a free end, and extends downward to contact the flexible printed circuit board 200 below the cover plate portion 31, wherein the front end of the locking elastic pieces 35 is provided with a downwardly protruding hook portion 36, as shown in fig. 5, the hook portion 36 is in a triangular shape, and is provided with an obliquely arranged guide edge 37 and a stop edge 38 perpendicular to the insertion direction of the flexible, the guiding edge 37 can be used for guiding the insertion of the flexible soft board 200, and can be elastically displaced upwards during the insertion of the flexible soft board 200, and the stopping edge 38 can be used for holding the flexible soft board 200, and can stop the flexible soft board 200 after the flexible soft board 200 is completely inserted, so as to prevent the flexible soft board 200 from being separated outwards, therefore, the guiding edge 37 is located at the insertion side of the flexible soft board 200, and the stopping edge 38 is away from the insertion side of the flexible soft board 200. An elastic arm 39 extending obliquely downwards is arranged between the front end and the rear end of the locking elastic sheet 35, the elastic arm 39 is integrally connected with the hook part 36, and the hook part 36 is formed by bending downwards from the side edge of the elastic arm 39. The pivot shaft 32 is integrally connected to the cover plate 31, and is formed by inwardly turning from the front edge of the cover plate 31, and has an arc surface 320. The buckling portion 33 is formed by bending and extending downward from the rear side edge of the cover plate portion 31, and the outer side edge of the buckling portion 33 protrudes outward to form a buckling portion 330 for realizing positioning in a snap fit manner with the locking portion 17 of the insulating body 10.

It should be noted that, since the pivot shaft 32 of the rotating housing 30 is installed on the front side of the insulating housing, the front side of the rotating housing 30 is a fixed side, and the rear side is a movable side for turning operation, it can be seen that, during the process of rotating the rotating housing 30 to open or close, the size of the slot opening of the slot 14 between the bottom wall 11 and the rotating housing 30 is kept unchanged,

as shown in fig. 4, the terminal 20 is provided with a U-shaped holding arm 21 and a welding portion 22 extending from a rear end of the U-shaped holding arm 21, the U-shaped holding arm 21 is provided with an upper arm 23 pressed against an upper surface of the flexible circuit board 200 and a lower arm 24 pressed against a lower surface of the flexible circuit board 200, both extending toward a direction of pulling out the flexible circuit board 200, wherein a length of the upper arm 23 is longer than a length of the lower arm 24, and a tip of the upper arm 23 is further provided with a contact portion 25 protruding downward for contacting with the upper surface of the flexible circuit board 200. The opening direction of the U-shaped clamping arm 21 is the same as the opening direction of the groove 19 and the slot 14. The lower arm 24 of the terminal 20 is fixed on the bottom wall 11 of the insulating body 10, the upper arm 23 of the terminal 20 is exposed in the slot 14 below the cover plate portion, and there is no insulating body between the upper arms 23 of two adjacent terminals.

The fixing member 40 is formed by integrally stamping a metal member, as shown in fig. 3, the fixing member 40 is provided with a sheet-shaped fixing portion 41 embedded in the end wall 12 of the insulating body 10 and a bending portion 42 extending from the front end of the fixing portion 41 to the insulating body 10, and the bending portion 42 is formed by bending the front end of the fixing portion 41 inwards and is clamped on the front end surface of the end wall 12 and is located at two ends of the slot 14.

To sum up, the utility model discloses an improve the structure of terminal, utilize upper arm 23 and the lower arm 24 of terminal 20 to grasp the upper and lower surface of flexible soft board simultaneously for the contact between terminal 20 and the flexible soft board 200 is more reliable and more stable. Additionally, the utility model discloses still through the setting of rotatory casing 30, insulator 10 need not to set up the roof, alright realize the grafting of flexible soft board 200, and rotatory casing 30 can provide reliable intensity moreover, can and insulator 10 between realize reliable and stable being connected to have the anti signal interference ability of preferred, can effectively shield external noise.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides a flexible soft board electric connector, includes insulator, installs the casing on insulator and installs the terminal in insulator, its characterized in that, the terminal is equipped with U type centre gripping arm and the welding part that extends from U type centre gripping arm rear end, U type centre gripping arm is equipped with the crimping in the upper arm of flexible soft board upper surface and the lower arm of crimping in flexible soft board lower surface.

2. The flexible flex electrical connector of claim 1, wherein: the upper arm is longer than the lower arm.

3. The flexible flex electrical connector of claim 2, wherein: the tail end of the upper arm is provided with a contact part protruding downwards, and the contact part is in contact with the upper surface of the flexible soft board.

4. The flexible flex electrical connector of claim 1, wherein: the housing is a rotary housing which is pivotally engaged with the insulating body to effect opening and closing.

5. The flexible printed circuit board electrical connector of claim 4, wherein: the rotary shell is provided with a cover plate part, a pivot shaft extending from two ends of the front side edge of the cover plate part and a pair of buckling parts extending from the rear side edge of the cover plate part in a bending mode.

6. The flexible printed circuit electrical connector of claim 5, wherein: the insulating body is provided with a bottom wall, a pair of end walls positioned at two ends of the bottom wall and a rear wall connected with the two end walls, and the end walls or the rear wall are provided with locking parts matched with the buckling parts in a buckling mode.

7. The flexible printed circuit board electrical connector of claim 6, wherein: the front end of the end wall is provided with a groove matched with the pivot shaft, and the opening direction of the groove is the same as that of the U-shaped clamping arm.

8. The flexible printed circuit board electrical connector of claim 7, wherein: an inclined guide surface is arranged above the locking part.

9. The flexible flex electrical connector of claim 8, wherein: the cover plate part is flat and is provided with a pair of L-shaped openings and a pair of locking elastic sheets positioned in the L-shaped openings, the locking elastic sheets extend forwards from the rear side edge of the cover plate part, and the tail ends of the locking elastic sheets downwards protrude out of triangular hook parts for locking the flexible soft plate.