TWM466372U - Electrical connector - Google Patents

Description

Electrical connector

This creation relates to an electrical connector, and more particularly to an electrical connector that prevents short circuits and poor soldering.

In the prior art, a flexible printed circuit board connector or a FPC Connector has been widely used in various consumer electronic products such as notebook computers, tablet computers and liquid crystals. The main structure of the flexible board connector includes an insulative housing, a plurality of conductive terminals, and a cover body. The conductive terminals are assembled and fixed in the terminal slot of the insulating body, and then the cover body is inserted into the insulating body. The flexible printed circuit board or the flexible cable is fixed on the insulating body.

The contact end of the conductive terminal of the flexible board connector is located on the same plane as the soldering end, and the spacing between the contact ends of the plurality of conductive terminals must be matched with the spacing between the plurality of contacts of the flexible cable to be smoothly Sexual overlap. However, as the trend toward thinner and lighter electronic products, the spacing between the contacts of the flexible cable and the spacing between the contact ends of the conductive terminals of the flexible board connector are also becoming smaller and smaller, thus resulting in a soft board connection. The soldering end of the conductive terminal of the device is prone to short circuit and poor soldering when soldered to the motherboard.

The structure design of the conventional flexible board connector follows the contact end of the plurality of conductive terminals The pitch between the two becomes small, and it is easy to cause the problem that the soldered ends of the conductive terminals are short-circuited and poorly soldered during soldering.

The present invention provides an electrical connector including an insulative housing, a plurality of terminals, and a housing. The insulative housing has a bottom wall and two side walls. The two side walls are disposed on opposite sides of the bottom wall to form a recess and a bottom wall. A plurality of slots are provided, the slots extending up and down through the bottom wall and communicating with the grooves. The plurality of terminals are assembled from the top to the bottom of the bottom wall via the recesses. Each of the terminals has a contact elastic piece and a soldering pin. The contact elastic piece is bent and extends into the groove, and the welding pin is downwardly through the slot. The extension protrudes beyond the insulating body. The housing is assembled on the two side walls of the insulative housing and is disposed directly above the recess. The recess has at least one opening formed by the two side walls, the bottom wall and the housing.

The electrical connector provided by the present invention adopts an inverted L-shaped structure in which the shape of the terminal is designed to have a contact elastic piece and a welding pin, and the terminal is assembled from the top to the bottom in the groove of the insulating body, and the plurality of contact spring pieces are contacted. The device can be bent and extended into the groove of the insulating body and arranged in a row. The soldering pins can extend downward through the slot and protrude outside the insulating body and arranged in a plurality of rows. The design can solve the conductive terminal of the prior art. The soldered end is prone to short-circuit and poor soldering problems during soldering.

1‧‧‧Electrical connector

2‧‧‧Insulated body

21‧‧‧ bottom wall

211‧‧‧ slots

212‧‧‧ inside

213‧‧‧Outside

214‧‧‧opening

215‧‧‧ outside opening

216‧‧‧ trench

22‧‧‧ side wall

23‧‧‧ Groove

231‧‧‧ openings

24‧‧ ‧block

3‧‧‧ terminals

31‧‧‧Contact shrapnel

311‧‧‧Contact points

32‧‧‧ Fixed Department

33‧‧‧ soldering pins

34‧‧‧Pedestal group

4‧‧‧Shell

D‧‧‧Width distance

P1‧‧‧ spacing

P2‧‧‧ spacing

P‧‧‧ parallel spacing

The first figure is a perspective view of the electrical connector of the present invention.

The second figure is a perspective view of the electrical connector removal housing of the first figure.

The third figure is a perspective view of the electrical connector of the second figure in the other direction.

The fourth figure is an exploded schematic view of the electrical connector of the first figure.

The fifth figure is a perspective view of the insulative body of the fourth figure.

The sixth figure is a perspective view of the insulating body of the fifth figure in the other direction.

Figure 7 is a perspective view of a plurality of terminals in the electrical connector of the first figure.

Referring to the first embodiment to the seventh embodiment, a preferred embodiment of the electrical connector of the present invention comprises an insulative housing 2, a plurality of terminals 3 and a housing 4.

The insulative housing 2 has a bottom wall 21 and two side walls 22. The two side walls 22 are disposed on opposite sides of the bottom wall 21 to form a recess 23, and the bottom wall 21 is provided with a plurality of slots 211. It penetrates through the bottom wall 21 and communicates with the groove 23. The bottom wall 21 is provided with an inner side surface 212 for the recess 23, the bottom wall 21 is provided with an outer side surface 213 opposite to the recess 23, the inner side surface 212 is provided with a plurality of inner openings 214, and the outer side surface 213 is provided with a plurality of outer openings 215, the slots 211 pass through the bottom wall 21 through the inner opening 214 and the outer opening 215, and the aperture of each inner opening 214 is larger than the aperture of each outer opening 215.

In this embodiment, as shown in FIG. 5 , a plurality of trenches 216 are disposed on the inner side surface 212 , and the trenches 216 are disposed corresponding to the contact elastic strips 31 of the terminals 3 , and the trenches 216 are disposed. The direction of extension is perpendicular to the length direction of the bottom wall 21. In addition, the insulative housing 2 has two stoppers 24, which are respectively disposed on both sides of the recess 23 and connected to the bottom wall 21 and the side wall 22. The stoppers 24 are arranged to change the inside of the recess 23 The spatial shape can have a foolproof effect to prevent the docking connector (not shown) from being inserted in the wrong direction when being inserted into the recess 23.

The plurality of terminals 3 are assembled to the slots 211 of the bottom wall 21 through the inner opening 214 through the recesses 23, wherein each of the terminals 3 has a contact elastic piece 31, a fixing portion 32 and a soldering pin 33. The elastic piece 31 is bent and extended into the groove 23 and corresponding to the groove 216 The soldering pin 33 extends downward through the outer opening 215 through the slot 211 to protrude outside the insulative housing 2, so that the shape of the terminal 3 is similar to the inverted L-shaped structure. It can be understood that the width of the fixing portion 32 is greater than the width of the contact elastic piece 31 and the welding pin 33, the width of the fixing portion 32 corresponds to the aperture of the inner opening 214, and the width of the welding pin 33 corresponds to the outer opening 215. The aperture is such that the terminal 3 can be assembled and fixed to the slot 211 smoothly.

In the present embodiment, the contact elastic piece 31 extends along the groove 216 on the inner side surface 212 of the bottom of the groove 23, and the extending direction of the contact elastic piece 31 is perpendicular to the longitudinal direction of the bottom wall 21. The soldering pins 33 extend away from the recess 23 and extend in a direction perpendicular to the outer side 213, so that the configuration of the soldering pins 33 extending beyond the insulating body 2 is not limited as in the prior art, and the multiple soldering is performed. The pins 33 can be arranged to be arranged in a plurality of rows in a staggered manner, respectively, so as to solve the problem of short circuit and poor soldering which are easily caused by the prior art.

The fixing portion 32 is disposed between the contact elastic piece 31 and the welding pin 33. The contact elastic piece 31 and the welding pin 33 of the terminal 3 are respectively disposed at two ends of the fixing portion 32 and are asymmetrically arranged, so that the contact elastic piece of the terminal 3 can be made. 31 and the soldering pins 33 are located on different planes. Therefore, in the embodiment, the fixing portion 32 has the function of fixing the terminal 3 to the slot 211, and additionally has the function of adjusting or compensating the plurality of contact elastic pieces 31 and the welding pins 33. The function of the size of the gap and the relative position difference is designed to meet the different needs of the customer and to reduce the short circuit and poor soldering problems easily caused by the prior art.

In this embodiment, the contact elastic piece 31 of each terminal 3 has a contact point 311, and the plurality of contact points 311 of the plurality of terminals 3 are arranged in a row in the groove 23, and the plurality of soldering pins 33 of the terminals 3 are in the insulating body. 2 The external lines are arranged in a staggered arrangement of three rows of pins. Group 34, and each row of pin sets 34 includes four soldering pins 33, which are arranged equidistantly parallel to each other along the length direction of the insulative housing 2, wherein any two adjacent contact points 311 The pitch P1 is 0.5 mm, and the pitch P2 between any two adjacent solder pins 33 arranged in the same row is 2 mm, and the pitch P1 is smaller than the pitch P2, that is, between the adjacent two solder pins 33. The pitch P2 is larger than the pitch P1 between the adjacent two contact points 311, so that the problem of short circuit and poor soldering which is easily caused by the smaller pitch P2 between the adjacent two solder pins 33 can be reduced. .

It is worth mentioning that, in this embodiment, the spacing P2 between any two adjacent soldering pins 33 of each row of pin sets 34 is approximately equal to the distance between any two adjacent contact points 311. Four times the pitch P1, that is, the pitch P2 is three times larger than the pitch P1. However, as shown in the seventh figure, the adjacent two soldering pins 33 in the pin group 34 of the same row are actually only spaced apart from each other. The terminal 3, that is, the adjacent two soldering pins 33 of the pin set 34 should be provided with only three pitches P1, and the difference between the pitch P2 and the pitch P1 is three times, which is compensated by the width distance D of the fixing portion 32. The fixing portion 32 of the created terminal 3 has a function of finely adjusting the size of the contact between the contact points 311 of the adjacent two contact elastic pieces 31 or the adjacent two welding pins 33. In addition, the pitch P2 between any two adjacent solder pins 33 of each row of pin sets 34 is equal to the parallel pitch P between the three rows of pin sets 34, and the design is advantageous for the soldering process.

The housing 4 is assembled on the two side walls 22 of the insulative housing 2 and is disposed directly above the recess 23. The recess 23 has an opening 231 surrounded by the two side walls 22, the bottom wall 21 and the housing 4. The mating connector (not shown) is inserted into the recess 23 via the opening 231. In the present embodiment, the casing 4 is an outer casing made of a metal material, so that it can have an effect of preventing electromagnetic wave interference.

In summary, the electrical connector of the present invention utilizes an inverted L-shaped structure in which the shape of the plurality of terminals is designed to have a contact elastic piece and a welding pin, and the terminal is assembled from the top to the bottom in the groove of the insulating body. The contact elastic piece can be bent and extended into the groove of the insulating body and arranged in a row. The welding pin can extend downward through the slot and protrude from the outside of the insulating body and arranged in a plurality of rows. The design can solve the conductive technology of the prior art. The soldered end of the terminal is prone to short circuit and poor soldering during soldering.

The above detailed description is intended to be illustrative of a preferred embodiment of the present invention, which is not intended to limit the scope of the present invention, and other equivalents and modifications may be made without departing from the spirit of the invention. Changes are to be included in the scope of patents covered by this new model.

1‧‧‧Electrical connector

2‧‧‧Insulated body

21‧‧‧ bottom wall

22‧‧‧ side wall

231‧‧‧ openings

3‧‧‧ terminals

4‧‧‧Shell

Claims (10)

An electrical connector includes an insulative housing having a bottom wall and two side walls. The two side walls are disposed on opposite sides of the bottom wall to form a recess, and the bottom wall is provided with a plurality of slots. The slots are vertically penetrated through the bottom wall and communicate with the recess; a plurality of terminals are assembled from the top to the bottom of the bottom wall via the recess, each of the terminals having a contact spring and a soldering a pin, the contact elastic piece is bent and extends into the recess, the soldering pin extends downwardly through the slot to protrude outside the insulating body; and a housing is assembled on the two sidewalls of the insulating body and Covered directly above the groove, the groove has at least one opening formed by the two side walls, the bottom wall and the casing. The electrical connector of claim 1, wherein the bottom wall surface is provided with an inner side surface for the recess, the bottom wall having an outer side opposite to the recess, the inner side surface being provided with a plurality of inner openings, the outer side A plurality of outer openings are formed on the side, and the slots penetrate the bottom wall through the inner openings and the outer openings. The electrical connector of claim 2, wherein each of the inner openings has an aperture diameter greater than an aperture of each of the outer openings. The electrical connector of claim 3, wherein each of the terminals further includes a fixing portion disposed between the contact elastic piece and the welding pin, and the fixing portion has a width greater than the contact elastic piece and the The width of the soldering pin, the width of the fixing portion corresponds to the aperture of the inner opening, and the width of the soldering pin corresponds to the aperture of the outer opening. The electrical connector of claim 4, wherein the contact elastic piece and the soldering pin of each of the terminals are respectively disposed at two ends of the fixing portion and disposed asymmetrically, and the contact elastic piece and the welding pin are differently located. on flat surface. The electrical connector of claim 2, wherein the contact elastic piece extends along the inner side surface of the bottom of the groove, and the inner side surface is provided with a plurality of grooves corresponding to the terminals The contact elastic piece is disposed, and the contact elastic piece and the extending direction of the groove are perpendicular to the length direction of the bottom wall. The electrical connector of claim 2, wherein the soldering pin extends away from the recess and the extending direction of the soldering pin is perpendicular to the outer side, the insulative housing having at least one stop, the blocking The block is disposed in the groove and connected to the bottom wall and the side wall. The electrical connector of any one of the preceding claims, wherein the contact spring of each of the terminals has a contact point, and the contact points of the terminals are arranged in a row in the groove. The soldering pins of the terminals are respectively arranged in a plurality of rows in the external body of the insulating body, and the spacing between any two adjacent contact points is smaller than the spacing between any two adjacent soldering pins arranged in the same row. Pitch. The electrical connector of claim 8, wherein the soldering pins of the terminals are arranged in a staggered manner in the front and back of the insulating body, respectively, in a three-row pin group, the pin groups being along the insulating body The length directions are arranged equidistantly parallel to each other. The electrical connector of claim 9, wherein a spacing between any two adjacent solder pins of the row of pins is greater than three times the spacing between any two adjacent contact points and is equal to The parallel spacing between the sets of pins.