TWM573088U - Double-sided FFC connector with low insertion force - Google Patents

Abstract

The present invention relates to a low insertion force double-sided FFC connector, one side of the base is provided with a groove extending through the top surface and the bottom surface of the base, and the rotating shafts at both ends of the cover are rotatably mounted at both ends of the groove; There are a plurality of upper and lower jacks arranged at equal intervals respectively; the rear contact terminals are inserted in the upper jack, and one end is provided with an upper contact; one end of the front contact terminal is inserted in the lower jack, and one end is provided There is a lower contact; the FFC cable is inserted in the slot and is located between the upper contact and the lower contact; the wire lock is symmetrically fixed at both ends of the groove, and the positioning buckle on the wire lock is stuck in the FFC The cable is inserted into the fixing groove on both sides of the end; the two ends of the cover are provided with pull rods, and when the cover is closed, the pull rod is located below the toggle lever, and when the cover is opened, the pull rod lifts the toggle lever, and the toggle lever drives the positioning The buckle is raised, and the positioning buckle is separated from the fixing groove of the FFC cable. The connector has a simple structure, is not easy to warp and deform, has a small occupied area, is reliable in connection, is not easy to loose, and has small insertion force.

Description

Low insertion force double-sided FFC connector

The present invention relates to an FFC connector, and more particularly to a low insertion force double-sided FFC connector.

Connectors, also known as connectors, plugs and sockets, are devices that connect two active devices to carry current or signals. The connector is an indispensable component in electronic equipment. The main supporting fields of electrical connectors are transportation, communication, network, IT, medical, home appliances, etc. The rapid development of the technical level of the supporting fields and the rapid growth of the market are strong. Traction the development of connector technology. So far, the connector has developed into a series of products and specialized products with complete product categories, rich variety specifications, diverse structural types, professional direction subdivision, obvious industry characteristics, and standard system specifications. With the rapid growth of consumer electronics, automotive electronics, communications terminal markets and the global connector production capacity moving to Asia and China, Asia has become the most promising place in the connector market, and China will become the fastest growing connector in the world. And the market with the largest capacity.

The connection between the FFC cable and the circuit board needs to be completed through the FFC connector, that is, the FFC cable needs to be connected and assembled with the FFC connector. The FFC connector includes a base and a cover, and the contact terminal is provided in the base, and the cover is stuck. On the base. When assembling, first remove the cover from the base of the FFC connector, then insert the FFC cable into the contact terminal in the FFC connector, and then press the FFC cable to the base through the cover. Since most of the FFC connectors are flat-type structures, the plugging operation is inconvenient, and the structural design is not reasonable enough, the structure is complicated, the volume is large, and the occupied area is large, which greatly reduces the space flexibility of the circuit board design. FFC cable insertion requires a certain amount of force and skill, and it must be ensured that it is perpendicular to the base during insertion. This way, the assembly efficiency of the FFC cable is low, and the reliability is not high, and the FFC cable is prone to poor grounding, easy to loose, etc. Problems, and can not achieve automated assembly, can not meet the requirements of improving assembly automation.

For FFC connectors with many pins, such as 100 PIN, the length is long, warping deformation is easy to occur, resulting in assembly difficulties, and easy to cause poor contact, while occupying a large space of the PCB board, increasing the cost and area of the PCB board. .

In order to solve the above problems, the present invention provides a simple structure, is not easy to warp and deform, has a small occupied area, is reliable in connection, is not easy to loose, has small insertion force, does not need to open the cover when inserting the FFC cable, is convenient to insert, simple, and is suitable for automatic insertion. A low insertion force double-sided FFC connector capable of reducing PCB cost and improving the assembly efficiency of the FFC cable, and the specific technical solution is:

A low insertion force double-sided FFC connector comprises a base and a cover plate, wherein one side of the base is provided with a groove extending through the top surface and the bottom surface of the base, and both ends of the cover plate are provided with a rotating shaft, and the rotating shaft is rotatably mounted in the groove Both ends; further comprising a row lock, a rear contact terminal and a front contact terminal; the bottom of the groove is provided with a slot, the slot divides the bottom of the groove into an upper bottom surface and a lower bottom surface, an upper bottom surface and a lower bottom surface There are a plurality of upper and lower jacks arranged at equal intervals respectively, one side of the upper jack and the lower jack are connected to the slot; the rear contact terminals are inserted on the upper jack, and the rear row contacts One end of the terminal is provided with a rear soldering leg, the rear soldering leg is located on the other side of the base, the bottom surface of the rear soldering leg is not lower than the bottom surface of the base, the other end is provided with an upper contact, and the upper contact is located in the slot; One end of the front contact terminal is inserted in the lower jack, and the other end is provided with a front soldering leg and a lower contact. The front soldering leg is located in the recess, the bottom surface of the front soldering leg is not lower than the bottom surface of the base, and the lower contact is located in the slot. Inside; the distance between the top of the upper contact and the top of the lower contact is smaller than the FFC row The thickness of the FFC cable is inserted in the slot between the upper contact and the lower contact, the upper contact is pressed on the upper conductor of the FFC cable insertion end, and the lower contact is pressed on the lower conductor of the FFC cable insertion end. The wire row lock is symmetrically fixed on both ends of the groove, and the wire row lock is provided with a positioning buckle and a toggle lever, and the positioning buckle is stuck in the fixing groove on both sides of the FFC cable insertion end; The two ends of the board are provided with tie rods. When the cover is closed, the pull rod is located below the toggle lever. When the cover is opened, the pull rod lifts the toggle lever, the toggle lever drives the positioning buckle to rise, and the positioning buckle is released from the fixing slot of the FFC cable. .

By adopting the above technical solution, the base is provided with a symmetrically disposed front row contact terminal and a rear row contact terminal, and the front row contact terminal and the rear row contact terminal are respectively in contact with the lower conductor and the upper conductor of the FFC cable insertion end, and the front row contact terminal And the rear contact terminals turn the original single-row stitches into symmetrically arranged double-row pins, which effectively shortens the length and reduces the occupied area. For example, the single-pin stitch of 100 PIN is changed into a double-row stitch of 50 PIN, and the length is shortened. It does not affect the use, and the warpage deformation is reduced after the length is shortened, and the width of the FFC cable is also small, which is convenient for insertion, and the assembly efficiency is effectively improved.

The FFC cable insertion end is inserted between the front row contact terminal and the rear row contact terminal, and the lower two faces of the FFC cable are stressed, so that the upper contact and the lower contact can maintain effective pressure, thereby effectively ensuring the front The reliability of contact between the row contact terminal and the rear contact terminal and the FFC cable avoids contact failure.

Since the function of the cover plate is to open the positioning buckle and take out the FFC cable, it is not necessary to open the cover plate when inserting the FFC cable, and directly insert the FFC cable, which reduces the assembly process and the assembly difficulty, and greatly improves the assembly efficiency. Since it is not necessary to open the cover plate, the structure of the automatic insertion device can be greatly simplified, and the automatic insertion device can complete the action of inserting the FFC cable, paving the way for the automatic assembly of the FFC cable, greatly reducing the automation of the insertion device. cost.

The positioning buckle can fix the FFC cable in the insertion slot to prevent the FFC cable from loosening or falling off, improving the stability of the connection and reducing the fault of poor contact.

The front and rear soldering legs are used to connect the front and rear contact terminals to the wires on the PCB.

Preferably, one side of the positioning buckle is provided with an insertion slope.

By adopting the above technical solution, the insertion of the inclined surface facilitates the insertion of the FFC cable into the slot, reduces the insertion force, facilitates the insertion of the FFC cable, and improves the assembly efficiency.

Preferably, the wire row lock further comprises a bottom plate, an elastic plate, a side plate and a positioning rod; the bottom plate is connected with the elastic plate and has a U shape, and one side of the elastic plate is provided with a positioning buckle, and the end portion is provided with a toggle One side of the bottom plate is connected to the side plate, the bottom plate is perpendicular to the side plate, one end of the side plate is provided with a positioning rod, the positioning rod is inserted on the base, and the other end is provided with a fixing leg and a positioning groove, and the bottom surface of the fixing leg is not lower than the base The bottom surface of the cover plate is provided with a fixing buckle, and the fixing buckle is stuck in the positioning groove of the side plate.

By adopting the above technical solution, the bottom plate and the elastic plate are elastically connected in a U shape, and the elastic plate is easily deformed, and the elastic rod is lifted by the pull rod after the FFC cable is arranged.

The positioning rod fixes the wire row lock on the base, and the fixed foot is welded on the PCB board, thereby ensuring the connection strength and preventing the wire lock buckle from being pulled off.

The fixing buckle and the positioning groove prevent the cover from rotating freely, and the cover is prevented from opening automatically.

Preferably, the fixing leg is provided with a positioning plate, the positioning plate is perpendicular to the side plate, the positioning plate and the bottom plate are respectively located at two sides of the side plate; the two sides of the front side of the base are provided with a avoiding groove, and the avoiding groove is located at the base The bottom plate is located in the avoidance groove, and the bottom surface of the positioning plate is not lower than the bottom surface of the base, and the end surface of the positioning plate is not lower than the end surface of the base.

By adopting the above technical solution, the positioning plate is convenient to be soldered to the PCB board, and the fixing foot is prevented from protruding from the front side of the base, and the occupied area of the FFC connector is not increased.

Preferably, one end of the side plate is provided with a circular arc groove A, and the circular arc groove A is located above the positioning rod; the two ends of the groove are provided with a circular arc groove B, and the circular arc groove B matches the circular arc groove A; The rotating shaft of the cover plate is rotatably installed between the circular arc groove B and the circular arc groove A.

By adopting the above technical solution, when assembling the cover plate, the rotating shaft of the cover plate is inserted into the circular arc groove B at both ends of the groove, and then the wire row lock is inserted, and the circular groove A limits the rotating shaft to the circular arc groove A and the circular arc. In the groove B, the rotating shaft rotates in the circular arc groove A and the circular arc groove B, which simplifies the structure in which the cover plate and the base are rotationally coupled.

Preferably, one end of the front row of contact terminals is provided with a lower fixing hook, and the lower fixing hook is stuck in the lower socket of the base; the top of the front row of contact terminals is provided with a lower elastic groove, and the lower elastic groove is located at the lower fixing hook One end is provided with a lower elastic rod, the other end of the lower elastic rod is located above the other end of the lower elastic groove, and the other end of the lower elastic rod is provided with a triangular or arc-shaped lower contact, and the lower contact is pressed The FFC cable is inserted on the lower conductor of the terminal.

By adopting the above technical solution, the lower elastic rod keeps the lower contact pinned to the FFC cable, and the lower elastic groove is used for deformation of the lower elastic rod, reducing the insertion force of the FFC cable, and preventing the lower contact from moving up and down to cause the FFC to be stuck. Cable.

The lower fixing hook fixes the front row contact terminal to the base to avoid falling off.

The triangular or arc-shaped lower contact facilitates the insertion of the FFC cable, reducing the insertion force of the FFC cable.

Preferably, the rear row of contact terminals includes an upper link and a vertical link that are perpendicular to each other, and an upper elastic bar that is parallel to the upper link; and one end of the upper link that is connected to the top of the vertical link is provided with an upper fixing hook The upper fixing hook is caught in the upper jack of the base; one end of the upper elastic rod is connected with one end of the upper connecting rod, and a separating groove is provided between the upper fixing hook and the upper elastic rod and the upper connecting rod An upper elastic groove is provided, and the other end of the upper elastic rod is provided with a triangular or circular arc-shaped upper contact, and the upper contact is pressed on the upper conductor of the FFC cable insertion end; the bottom of the vertical link is provided with a rear welding foot .

By adopting the above technical solution, the upper elastic rod keeps the upper contact pressed against the FFC cable.

The upper fixing hook fixes the rear contact terminal to the base to avoid falling off.

The separation groove facilitates deformation of the upper elastic rod. There is a gap between the upper elastic rod and the upper connecting rod, which facilitates the upper contact to move up and down to avoid jamming the FFC cable.

The triangular or arc-shaped upper contact facilitates the insertion of the FFC cable and reduces the insertion force of the FFC cable.

Preferably, the other end of the upper connecting rod is provided with a circular arc groove C, the other end of the upper elastic rod is flush with the other end of the upper connecting rod, and the end portion is provided with a circular arc groove D, the circular arc groove C and the circle The arc groove D is matched; one side of the cover plate is provided with a shaft groove and a connecting shaft, and both ends of the connecting shaft are fixed at two ends of the shaft groove, the connecting shaft and the rotating shaft are coaxial, and the connecting shaft is rotatably mounted in the circular arc groove C Between the arc groove D and the arc.

By adopting the above technical solution, the circular arc groove C and the circular arc groove D can limit the position of the connecting shaft, thereby limiting the position of the rotating shaft, making the cover plate easy to rotate, and preventing the cover from being erroneously unable to rotate. The connecting shaft also limits the moving position of the upper elastic rod, so that the upper contact on the upper elastic rod can maintain a proper pressing force to be pressed against the FFC line.

Preferably, the plurality of axial grooves are provided, and the number of the axial grooves is the same as the number of the rear contact terminals, and is equally spaced.

By adopting the above technical solution, a plurality of axial grooves can increase the strength of the connecting shaft, and the length of the connecting shaft is too long to cause strength deterioration and deformation.

Preferably, the upper contact and the lower contact are arranged in a staggered manner, that is, the distance between the upper contact and the FFU cable insertion end end is different from the distance between the lower contact and the FFC cable insertion end end.

By adopting the above technical solution, when the FFC cable is inserted, the upper contact or the lower contact is first pressed, and then the lower contact or the upper contact is pressed to avoid simultaneously pressing the upper contact and the lower contact, thereby effectively reducing The force required to insert the FFC cable.

If the force required for the FFC cable to simultaneously press the upper and lower contacts is large, the insertion of the FFC cable is likely to fail, and the insertion end of the FFC cable is damaged.

The staggered arrangement of the upper and lower contacts not only reduces the insertion force, but also reduces assembly anomalies and improves assembly efficiency.

Compared with the prior art, the creation has the following beneficial effects:

The low insertion force double-sided FFC connector provided by the present invention is simple in structure, not easy to warp and deform, has small occupied area, reliable connection, is not easy to loose, has small insertion force, does not need to open the cover when inserting the FFC cable, and is convenient and simple to insert. Suitable for automatic insertion, can reduce PCB cost, effectively reduce assembly anomaly, and high efficiency of FFC cable assembly.

This creation will be further explained in conjunction with the drawings.

Embodiment 1

As shown in FIG. 1 to FIG. 11, a low insertion force double-sided FFC connector includes a base 1 and a cover plate 2, and one side of the base 1 is provided with a groove 11 penetrating through the top surface and the bottom surface of the base 1, and the cover plate 2 Both ends of the side are provided with a rotating shaft 21, and the rotating shaft 21 is rotatably mounted at both ends of the groove 11.

Also included are the row lock 6 , the rear contact terminal 3 and the front contact terminal 4 .

As shown in FIG. 4 and FIG. 5, the bottom of the recess 11 is provided with a slot 12, and the slot 12 divides the bottom of the recess 11 into an upper bottom surface and a lower bottom surface, and the upper bottom surface and the lower bottom surface are respectively provided with a plurality of equally spaced portions. The upper jack 14 and the lower jack 13, one side of the upper jack 14 and the lower jack 13 are all in communication with the slot 12.

As shown in FIG. 8, the rear contact terminal 3 is inserted in the upper jack 14, and the rear contact terminal 3 includes an upper link 31 and a vertical link 32 which are perpendicular to each other, and an upper elastic bar 34 which is parallel to the upper link 31. One end of the upper link 31 connected to the top of the vertical link 32 is provided with an upper fixing hook 36, and the upper fixing hook 36 is caught in the upper insertion hole 14 of the base 1; one end of the upper elastic rod 34 is connected to one end of the upper link 31. A separating groove 37 is disposed between the upper fixing rod 36 and the upper connecting rod 31. The upper elastic rod 34 is provided with an upper elastic groove 38. The other end of the upper elastic rod 34 is provided with a triangular or circular arc shape. The contact 35, the upper contact 35 is located in the slot 12, the upper contact 35 is pressed on the upper conductor of the insertion end of the FFC cable 5; the bottom of the vertical link 32 is provided with a rear soldering leg 33, and the rear soldering leg 33 is located at the base 1 On the other side, the bottom surface of the rear soldering leg 33 is flush with the bottom surface of the base 1.

The upper resilient lever 34 keeps the upper contact 35 pressed against the FFC cable 5.

The upper fixing hook 36 fixes the rear contact terminal 3 to the base 1 to prevent falling off.

The separation groove 37 facilitates deformation of the upper elastic rod 34. A gap is left between the upper elastic rod 34 and the upper link 31, which facilitates the upper contact 35 to move up and down to avoid jamming the FFC cable 5.

The triangular or arc-shaped upper contact 35 facilitates the insertion of the FFC cable 5, reducing the insertion force of the FFC cable 5.

As shown in FIG. 9, one end of the front contact terminal 4 is inserted into the lower jack 13, and one end of the front contact terminal 4 is provided with a lower fixing hook 41, and the lower fixing hook 41 is caught in the lower jack 13 of the base 1; The top of the row of contact terminals 4 is provided with a lower elastic groove 42. The lower elastic groove 42 is provided at one end of the lower fixing hook 41 with a lower elastic rod 44, and the other end of the lower elastic rod 44 is located above the other end of the lower elastic groove 42. The other end of the elastic rod 44 is provided with a triangular or circular arc-shaped lower contact 45, the lower contact 45 is located in the slot 12, and the lower contact 45 is pressed against the lower conductor of the insertion end of the FFC cable 5. The other end of the front row of contact terminals 4 is provided with a front soldering leg 43 which is located in the recess 11 and the bottom surface of the front soldering leg 43 is flush with the bottom surface of the base 1.

The lower elastic rod 44 keeps the lower contact 45 pressed against the FFC cable 5, and the lower elastic groove 42 is used for deformation of the lower elastic rod 44, reducing the insertion force of the FFC cable 5, and preventing the lower contact 45 from moving up and down to cause jamming. FFC cable 5.

The lower fixing hook 41 fixes the front row contact terminal 4 to the base 1 to prevent falling off.

A triangular or circular lower contact 45 facilitates insertion of the FFC cable 5, reducing the insertion force of the FFC cable 5.

As shown in FIG. 2, the distance between the top of the upper contact 35 and the top of the lower contact 45 is smaller than the thickness of the FVC cable 5, and the FFC cable 5 is inserted in the slot 12 and located at the upper contact 35 and below. Between the contacts 45, the upper contact 35 is pressed against the upper conductor of the insertion end of the FFC cable 5, and the lower contact 45 is pressed against the lower conductor of the insertion end of the FFC cable 5.

As shown in FIG. 2, the upper contact 35 and the lower contact 45 are alternately arranged in the front-rear direction, that is, the distance between the upper contact 35 and the FFU cable 5 inserted into the end portion and the lower contact 45 and the FFC cable 5 are inserted into the end portion. The distance is not the same.

When the FFC cable 5 is inserted, the upper contact 35 or the lower contact 45 is first depressed, and then the lower contact 45 or the upper contact 35 is pressed to avoid simultaneously pressing the upper contact 35 and the lower contact 45, thereby effectively reducing The force required to insert the FFC cable 5 is small. If the force required for the FFC cable 5 to simultaneously press the upper contact 35 and the lower contact 45 is large, the insertion of the FFC cable 5 is liable to be broken, and the insertion end of the FFC cable 5 is damaged. The staggered arrangement of the upper contact 35 and the lower contact 45 not only reduces the insertion force, but also reduces assembly anomalies and improves assembly efficiency.

As shown in FIG. 1, FIG. 3 and FIG. 10, the row lock 6 is symmetrically fixed at both ends of the groove 11, and the row lock 6 includes a positioning buckle 62, a toggle lever 61, a bottom plate 65, an elastic plate 64, and a side panel. 66 and the positioning rod 67; the bottom plate 65 is connected to the elastic plate 64 and is U-shaped. One side of the elastic plate 64 is provided with a positioning buckle 62, and the end portion is provided with a toggle lever 61; one side of the bottom plate 65 is connected with the side plate 66. The bottom plate 65 is perpendicular to the side plate 66. One end of the side plate 66 is provided with a positioning rod 67. The positioning rod 67 is inserted on the base 1. The positioning rod 67 is provided with a hook, and the hook fixes the positioning rod 67 to the base 1, and the side plate 66 The other end is provided with a fixing leg and a positioning groove 69 which is flush with the bottom surface of the base 1.

The bottom plate 65 and the elastic plate 64 are elastically connected in a U shape, and the elastic plate 64 is easily deformed to facilitate the FFC cable 5 and the rear pull rod 22 lifts the elastic plate 64.

The positioning rod 67 fixes the wire row lock 6 on the base 1, and the fixing legs are welded on the PCB board, thereby ensuring the connection strength and preventing the wire row lock 6 from being pulled off.

One side of the positioning buckle 62 is provided with an insertion slope 63, and the positioning buckle 62 is caught in the fixing groove 51 on both sides of the insertion end of the FVC cable 5. The insertion of the inclined surface 63 facilitates the insertion of the FFC cable 5 into the slot 12, reducing the insertion force, facilitating the insertion of the FFC cable 5, and improving assembly efficiency.

One end of the side plate 66 is provided with a circular arc groove A68, and the circular arc groove A68 is located above the positioning rod 67; the two ends of the groove 11 are provided with a circular arc groove B16, and the circular arc groove B16 is matched with the circular arc groove A68; The rotating shaft 21 is rotatably installed between the circular arc groove B16 and the circular arc groove A68. When the cover 2 is assembled, the rotating shaft 21 of the cover 2 is inserted into the circular arc groove B16 at both ends of the groove 11, and then the wire row lock 6 is inserted, and the circular groove A68 restricts the rotating shaft 21 to the circular groove A68 and the circular arc. In the groove B16, the rotary shaft 21 is rotated in the circular arc groove A68 and the circular arc groove B16, which simplifies the structure in which the cover plate 2 is rotatably connected to the base 1.

As shown in FIG. 6 , the two ends of the cover 2 are provided with a pull rod 22 . When the cover 2 is closed, the pull rod 22 is located below the toggle lever 61. When the cover 2 is opened, the pull rod 22 lifts the toggle lever 61 and is moved. The rod 61 drives the positioning buckle 62 to rise, and the positioning buckle 62 is disengaged from the fixing groove 51 of the FVC cable 5.

A fixing buckle 24 is disposed at two ends of the other side of the cover plate 2, and the fixing buckle 24 is caught in the positioning groove 69 of the side plate 66. The fixing buckle 24 and the positioning groove 69 prevent the cover 2 from rotating freely, and the cover 2 is prevented from being automatically opened.

As shown in FIG. 4, the base 1 is provided with a symmetrically disposed front row contact terminal 4 and a rear row contact terminal 3, and the front row contact terminal 4 and the rear row contact terminal 3 are respectively connected to the lower conductor and the upper conductor of the FFC cable 5 insertion end. In contact, the front row contact terminal 4 and the rear row contact terminal 3 change the original single-row set pins into symmetrically arranged double-row pins, which effectively shortens the length and reduces the occupied area, for example, changing the 100 PIN single-row stitch into 50 PIN. The double-row stitches have a shortened length and do not affect the use, and the warp deformation is reduced after the length is shortened, and the width of the FFC cable 5 is also small, which facilitates insertion and effectively improves assembly efficiency.

The FFC cable 5 insertion end is inserted between the front row contact terminal 4 and the rear row contact terminal 3, and the upper and lower faces of the FFC cable 5 are stressed, so that the upper contact 35 and the lower contact 45 can maintain effective pressure. Therefore, the reliability of the contact between the front row contact terminal 4 and the rear row contact terminal 3 and the FFC cable 5 is effectively ensured, and the phenomenon of poor contact is avoided.

Since the function of the cover plate 2 is to open the positioning buckle 62 to take out the FFC cable 5, the FFC cable 5 is inserted without opening the cover 2, and the FFC cable 5 can be directly inserted, thereby reducing the assembly process and the assembly difficulty. Improve assembly efficiency. Since it is not necessary to open the cover 2, the structure of the automatic insertion device can be greatly simplified, and the automatic insertion device can complete the action of inserting the FFC cable 5, paving the way for the automatic assembly of the FFC cable 5, greatly reducing the automation. The cost of inserting a device.

The positioning buckle 62 can fix the FFC cable 5 in the insertion slot to prevent the FFC cable 5 from loosening or falling off, improving the stability of the connection and reducing the fault of poor contact.

The front soldering leg 43 and the rear soldering leg 33 are used for the front row of contact terminals 4 and the rear row of contact terminals 3 to be connected to the lines on the PCB.

Embodiment 2

On the basis of the above embodiment, the fixing leg is provided with a positioning plate 60, the positioning plate 60 is perpendicular to the side plate 66, the positioning plate 60 and the bottom plate 65 are respectively located at two sides of the side plate 66; the two ends of the base 1 are provided with avoidance The slot 15 and the avoidance slot 15 are located on the bottom surface of the base 1. The positioning plate 60 is located in the avoidance slot 15, and the bottom surface of the positioning plate 60 is flush with the bottom surface of the base 1. The end surface of the positioning plate 60 is flush with the end surface of the base 1. The positioning plate 60 is convenient for soldering with the PCB board, so that the fixing feet protrude from the front side of the base 1, and the occupied area of the FFC connector is not increased.

The other end of the upper link 31 is provided with a circular arc groove C39, and the other end of the upper elastic rod 34 is flush with the other end of the upper link 31, and the end portion is provided with a circular arc groove D30, an arc groove C39 and an arc groove D30 is matched; one side of the cover plate 2 is provided with a shaft groove 25 and a connecting shaft 23, and a plurality of shaft grooves 25 are provided. The number of the shaft grooves 25 is the same as the number of the rear contact terminals 3, and is equally spaced, and the connecting shaft 23 is provided. Both ends are fixed to both ends of the shaft groove 25, the connecting shaft 23 is coaxial with the rotating shaft 21, and the connecting shaft 23 is rotatably installed between the circular arc groove C39 and the circular arc groove D30.

The circular arc groove C39 and the circular arc groove D30 can limit the position of the connecting shaft 23, thereby restricting the position of the rotating shaft 21, making the cover 2 easy to rotate, and preventing the cover 2 from being unable to rotate due to an error. The connecting shaft 23 also limits the position of movement of the upper resilient rod 34 so that the upper contact 35 on the upper resilient rod 34 can be pressed against the FFC cable 5 with a suitable pressing force.

The plurality of shaft grooves 25 can increase the strength of the connecting shaft 23, and prevent the length of the connecting shaft 23 from being too long, resulting in deterioration of strength and deformation.

1‧‧‧Base

11‧‧‧ Groove

12‧‧‧ slots

13‧‧‧Lower jack

14‧‧‧Up jack

15‧‧‧ escaping slot

16‧‧‧Arc Slot B

2‧‧‧ Cover

21‧‧‧ shaft

22‧‧‧ lever

23‧‧‧Connected shaft

24‧‧‧Fixed buckle

25‧‧‧ shaft slot

3‧‧‧ Rear contact terminals

30‧‧‧Arc Slot D

31‧‧‧Upper link

32‧‧‧ vertical link

33‧‧‧After welding feet

34‧‧‧Upper elastic rod

35‧‧‧Upper contacts

36‧‧‧Upper hook

37‧‧‧Separation tank

38‧‧‧Upper elastic groove

39‧‧‧Arc Slot C

4‧‧‧ Front row contact terminals

41‧‧‧Under fixing hook

42‧‧‧low elastic groove

43‧‧‧Pre-welding feet

44‧‧‧low elastic rod

45‧‧‧ lower contact

5‧‧‧FFC cable

51‧‧‧fixed slot

6‧‧‧Line lock

60‧‧‧ positioning board

61‧‧‧Toggle lever

62‧‧‧Positioning buckle

63‧‧‧Insert bevel

64‧‧‧Flexible board

65‧‧‧floor

66‧‧‧ side panels

67‧‧‧ Positioning rod

68‧‧‧Arc Slot A

69‧‧‧ positioning slot

Figure 1 is a front view of the present creation;

Figure 2 is a cross-sectional view taken along line A-A of Figure 1;

Figure 3 is a cross-sectional view taken along line B-B of Figure 1;

Figure 4 is a schematic structural view of the base;

Figure 5 is a schematic enlarged view of the structure I in Figure 4;

Figure 6 is a schematic structural view of a cover plate;

Figure 7 is a schematic enlarged view of the structure of Figure 6;

Figure 8 is a schematic structural view of a rear contact terminal;

Figure 9 is a schematic structural view of a front row of contact terminals;

Figure 10 is a schematic view showing the structure of the wire row lock;

Figure 11 is a schematic view showing the structure of the FFC cable.

Claims (10)

A low insertion force double-sided FFC connector comprises: a base and a cover plate; one side of the base is provided with a groove extending through the top surface and the bottom surface of the base, and the two ends of the cover plate are provided with a rotating shaft, and the rotating shaft is rotatably mounted in the groove The two ends; wherein, the line row lock, the rear row contact terminal and the front row contact terminal; the bottom of the groove is provided with a slot, the slot divides the bottom of the groove into an upper bottom surface and a lower bottom surface, the upper bottom surface and a plurality of equally spaced upper and lower jacks are respectively disposed on the lower bottom surface, and one side of the upper jack and the lower jack are connected to the slot; the rear contact terminal is inserted in the upper jack, and the rear row One end of the contact terminal is provided with a rear soldering leg, the rear soldering leg is located on the other side of the base, the bottom surface of the rear soldering leg is not lower than the bottom surface of the base, the other end is provided with an upper contact, and the upper contact is located in the slot; One end of the front contact terminal is inserted in the lower jack, and the other end is provided with a front soldering leg and a lower contact. The front soldering leg is located in the recess, the bottom surface of the front soldering leg is not lower than the bottom surface of the base, and the lower contact is located in the slot. Inside; the top and bottom of the upper contact The distance between the tops is smaller than the thickness of the FFC cable. The FFC cable is inserted in the slot between the upper contact and the lower contact. The upper contact is pressed on the upper conductor of the FFC cable insertion end. Pointing on the lower conductor of the insertion end of the FFC cable; the wire row lock is symmetrically fixed at both ends of the groove, the wire row lock is provided with a positioning buckle and a toggle lever, and the positioning buckle is inserted at the FFC cable insertion end. The side of the fixing groove; the two ends of the cover are provided with a tie rod, the pull rod is located below the toggle lever when the cover is closed, and the pull rod lifts the toggle lever when the cover is opened, the toggle lever drives the positioning buckle to rise, positioning Fasten the fixing groove of the FFC cable. A low insertion force double-sided FFC connector according to claim 1, wherein one side of the positioning buckle is provided with an insertion slope. The low insertion force double-sided FFC connector according to claim 1, wherein the wire row lock further comprises a bottom plate, an elastic plate, a side plate and a positioning rod; the bottom plate is connected to the elastic plate and is U-shaped. One side of the elastic plate is provided with a positioning buckle, and the end portion is provided with a toggle lever; one side of the bottom plate is connected with the side plate, the bottom plate is perpendicular to the side plate, and one end of the side plate is provided with a positioning rod, the positioning rod is inserted on the base, and the other end is provided The fixing foot and the positioning groove are not lower than the bottom surface of the base; the other ends of the cover are provided with fixing buckles, and the fixing buckle is stuck in the positioning groove of the side plate. The low insertion force double-sided FFC connector according to claim 3, wherein the fixing leg is provided with a positioning plate, the positioning plate is perpendicular to the side plate, and the positioning plate and the bottom plate are respectively located at two sides of the side plate; The two ends of the side are provided with a avoidance slot, and the avoidance slot is located at the bottom surface of the base, the positioning plate is located in the avoidance slot, the bottom surface of the positioning plate is not lower than the bottom surface of the base, and the end surface of the positioning plate is not lower than the end surface of the base. A low insertion force double-sided FFC connector according to claim 3, wherein one end of the side plate is provided with a circular arc groove A, and the circular arc groove A is located above the positioning rod; The circular arc groove B and the circular arc groove B are matched with the circular arc groove A; the rotating shaft of the cover plate is rotatably installed between the circular arc groove B and the circular arc groove A. A low insertion force double-sided FFC connector according to claim 1, wherein one end of the front contact terminal is provided with a lower fixing hook, and the lower fixing hook is caught in a lower socket of the base; the front row contacts The top of the terminal is provided with a lower elastic groove, and the lower elastic groove is provided at one end of the lower fixing hook with a lower elastic rod, the other end of the lower elastic rod is located above the other end of the lower elastic groove, and the other end of the lower elastic rod is provided. There is a triangular or circular lower contact, and the lower contact is pressed against the lower conductor of the FFC cable insertion end. A low insertion force double-sided FFC connector according to claim 1, wherein the rear row contact terminal comprises an upper link and a vertical link that are perpendicular to each other, and an upper elastic bar that is parallel to the upper link; One end of the upper connecting rod and the top of the vertical connecting rod is provided with an upper fixing hook, and the upper fixing hook is caught in the upper jack of the base; one end of the upper elastic rod is connected with one end of the upper connecting rod and is connected with the upper fixing hook Separating groove is provided, the upper elastic rod is further provided with an upper elastic groove between the upper connecting rod, and the other end of the upper elastic rod is provided with a triangular or arc-shaped upper contact, and the upper contact is pressed on the insertion end of the FFC cable On the conductor; the bottom of the vertical link is provided with a rear soldering foot. A low insertion force double-sided FFC connector according to claim 7, wherein the other end of the upper link is provided with a circular arc groove C, and the other end of the upper elastic rod is flush with the other end of the upper link. And the end portion is provided with a circular arc groove D, and the circular arc groove C is matched with the circular arc groove D; one side of the cover plate is provided with a shaft groove and a connecting shaft, and both ends of the connecting shaft are fixed at both ends of the shaft groove, The connecting shaft and the rotating shaft are coaxial, and the connecting shaft is rotatably installed between the circular arc groove C and the circular arc groove D. A low insertion force double-sided FFC connector according to claim 7, wherein the plurality of axial grooves are provided, and the number of the axial grooves is the same as the number of the rear contact terminals, and is equally spaced. A low insertion force double-sided FFC connector according to claim 1, wherein the upper contact and the lower contact are alternately arranged in a front-rear direction, that is, a distance between the upper contact and the insertion end of the FFC cable and a lower touch The distance between the point and the insertion end of the FFC cable is not the same.