CN219979861U - Board-to-board connector female seat and board-to-board connector assembly - Google Patents

Abstract

The utility model discloses a board-to-board connector female seat and a board-to-board connector assembly, which are used for being in butt joint with a board-to-board connector male seat, wherein the board-to-board connector male seat comprises a pair of male seat armors, the male seat armors are provided with horizontal welding feet, the board-to-board connector female seat comprises an insulating seat body, two rows of female seat terminals and a pair of female seat armors, the insulating seat body is provided with a central island part, two side walls and two end walls, the female seat armors comprise a top plate part, a first inner flange which is downwards bent and extended from the transverse inner side of the top plate part, and an elastic arm which is positioned at the lower side of the first inner flange, the first inner flange shields the inner wall surface of the side wall, the top plate part or the first inner flange is provided with a notch with an upward opening and is used for accommodating part of the elastic arm and the welding feet, the depth of the central island part inserted into a female seat slot is increased, the scraping stroke of the female seat armors and the male seat armors and the female seat armors under the ultra-low configuration state is facilitated to be increased, and the scraping stroke of the female seat armors and the male seat armors is ensured.

Description

Board-to-board connector female seat and board-to-board connector assembly

Technical Field

The present utility model relates to the field of board-to-board connectors, and more particularly, to a miniaturized board-to-board connector female socket and a board-to-board connector assembly.

Background

In order to make more efficient use of the limited product substrate space, there is an increasing demand for further thinning and miniaturization of the mounting components, and there is an increasing demand and challenge for miniature board-to-board connectors. The depth of the male base of the existing board-to-board connector, which is inserted into the female base of the board-to-board connector, is low, the fit clearance between the terminals of the male base and the female base is small, and the scraping stroke between the terminals is short.

Therefore, there is a need to design a new board-to-board connector female seat and board-to-board connector assembly to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model aims to provide a board-to-board connector female seat and a board-to-board connector assembly for increasing scraping stroke of female and male helmets.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a board to board connector female seat for dock with board to board connector male seat, board to board connector male seat includes insulating housing and is fixed in a pair of public seat armour of insulating housing's longitudinal both ends, public seat armour is equipped with outside transversely extending's horizontal welding foot, board to board connector female seat includes the insulating pedestal of lengthwise, is fixed in two rows of female seat terminal on the insulating pedestal and be fixed in a pair of female seat armour of insulating pedestal longitudinal both ends, the insulating pedestal is equipped with along the central island portion of longitudinal extension, is located two lateral walls of central island portion and connect in two the both ends wall of lateral wall, central island portion, two lateral wall and two the end wall jointly prescribe a limit to female seat socket, central island portion is located in the female seat socket, female seat terminal extends into female seat socket, female seat armour includes in the roof portion that the end wall was shielded, from the inboard roof portion of end wall bent down to one side flange portion is located in the first flange portion is located in the inner wall of a pair of flange portion is used for the flange, the side is located in the flange is connected to the flange portion is connected to the side of flange, the flange is located in the inner wall is connected to the flange portion is located to the flange.

Further, the notch penetrates the top plate portion or/and the first inner flange up and down.

Further, the recess divides the first inner flange into two longitudinally spaced segments.

Further, the female helmet comprises a first side plate portion bent and extended downwards from the outer side of the longitudinal direction of the top plate portion, the elastic arms extend longitudinally inwards from the two transverse ends of the first side plate portion, the first side plate portion shields the outer wall surface of the end wall, and part of the elastic arms extend upwards into the notch.

Further, the inner side surface of the tail end of the elastic arm is provided with a contact convex hull positioned in the female seat slot, and the upper surface, the lower surface and the rear side surface of the contact convex hull are cambered surfaces.

Further, the female helmet includes a second inner flange bent and extended downward from a longitudinal inner side of the top plate portion, lateral both ends of the second inner flange being connected to the first inner flange and exposed to the female socket, the second inner flange shielding an inner wall surface of the end wall.

Further, the female helmet includes a second side plate portion bent downward from a lateral outer side of the top plate portion, the second side plate portion shielding an outer wall surface of the side wall, and the elastic arm is laterally spaced apart from the second side plate portion.

The utility model can also adopt the following technical scheme: the utility model provides a board to board connector assembly, includes the aforesaid board to board connector female seat and with board to board connector male seat that board to board connector female seat is in the same place, board to board connector male seat includes the insulating casing of lengthwise, is fixed in two rows of public seat terminals of insulating casing and be fixed in the public seat armour at the longitudinal both ends of insulating casing, insulating casing is equipped with the confession central island male seat slot of portion male seat, female seat terminal with public seat terminal electric contact, public seat armour is including shielding the main part piece of insulating casing's longitudinal end and follow the horizontal welding foot of the outside lateral extension of bottom of main part piece, the welding foot downwardly entering the notch.

Further, the male socket penetrates the insulating housing up and down.

The top plate part or/and the first inner flange of the female helmet of the female socket of the board-to-board connector are/is provided with the notch with the upward opening, and the notch is used for accommodating part of the welding pins of the elastic arm and the male socket of the board-to-board connector.

Drawings

Fig. 1 is a perspective view of a female connector housing of a board-to-board connector of the present utility model.

Fig. 2 is an enlarged view of the circle of the female socket of the board-to-board connector shown in fig. 1.

Fig. 3 is a perspective view of an insulating female socket of the board-to-board connector female socket shown in fig. 1.

Fig. 4 is a perspective view of a female block terminal of the female block of the board-to-board connector shown in fig. 1.

Fig. 5 is a perspective view of the female armor of the female mount of the board-to-board connector of fig. 1.

Fig. 6 is another angular view of the female helmet shown in fig. 5.

Fig. 7 is a perspective view of the island armour of the female receptacle of the board-to-board connector of fig. 1.

Fig. 8 is a perspective view of a male socket of the board-to-board connector of the present utility model.

Detailed Description

Referring to fig. 1 and 8, the present utility model discloses a board-to-board connector assembly, which includes a board-to-board connector female holder 101 and a board-to-board connector male holder 102 that are butted together, wherein the board-to-board connector female holder 101 is mounted on a first circuit board (not shown), and the board-to-board connector male holder 102 is mounted on a second circuit board (not shown).

Referring to fig. 1 to 7, the board-to-board connector female socket 101 includes an elongated insulating socket body 10, two rows of female socket terminals 20 fixed to the insulating socket body 10, a pair of female socket armors 30 and a pair of island armors 40.

The insulating base 10 is provided with a central island 11 extending in the longitudinal direction, two side walls 12 located on both sides of the central island 11 in the lateral direction, and two end walls 13 connected to the two side walls 12. The central island 11, the two side walls 12 and the two end walls 13 together define a female socket slot 14, the central island 11 is located in the female socket slot 14, and the female socket slot 14 is used for inserting the male socket 102 of the board-to-board connector.

The female socket terminal 20 includes a first contact portion 21, a second contact portion 22, a first connection portion 23 connecting the first contact portion 21 and the second contact portion 22, a holding portion 24, a second connection portion connecting the holding portion 24 and the second contact portion 22, and a soldering portion 25 extending from a lower end of the holding portion 24 to an outside in a bending manner, wherein the first contact portion 21 and the second contact portion 22 are exposed in the female socket slot 14, the first contact portion 21 and the second contact portion 22 are laterally opposite, the first contact portion 21 is located on an inner wall surface of the side wall 12, the second contact portion 22 is located on an inner wall surface of the central island portion 11, the first connection portion 23 is located in a bottom wall of the female socket slot 14, the second connection portion is embedded in the side wall 12, and the soldering portion 25 is horizontally disposed on a bottom surface of the insulating socket 10 for soldering to a surface of the first circuit board.

The female helmet 30 is assembled at two longitudinal ends of the insulating base 10 downwards, and comprises a top plate 31 shielding the top surface of the end wall 13, a first inner flange 321 bending downwards from the inner lateral side of the top plate 31, a second inner flange 322 bending downwards from the inner longitudinal side of the top plate 31, a first side plate 331 bending downwards from the outer longitudinal side of the top plate 31, a second side plate 332 bending downwards from the outer lateral side of the top plate 31, elastic arms 34 extending along the inner wall surface of the side wall 12 from two lateral ends of the first side plate 331, and welding feet 35 bending outwards from the bottom ends of the first side plate 331 and the second side plate 332 respectively. The second inner flanges 322 are connected at both lateral ends thereof to the longitudinal outer sides of the two first inner flanges 321.

The first inner flange 321 shields the inner wall surface of the side wall 12, the second inner flange 322 shields the inner wall surface of the end wall 13, the first side plate portion 331 shields the outer wall surface of the end wall 13, and the second side plate portion 332 partially shields the outer wall surface of the side wall 12 for improving the strength of the side wall 12 and the end wall 13 of the insulating base 10. The first side plate portion 331 does not exceed the outer wall surface of the end wall 13, and the second side plate portion 332 does not exceed the outer wall surface of the side wall 12, i.e., the first side plate portion 331 and the second side plate portion 332 do not increase the volume of the board-to-board connector female socket 101 while improving the strength of the end wall 13 and the side wall 12 of the insulating socket body 10.

The resilient arms 34 are capable of swinging laterally during mating of the board-to-board connector female receptacle 101 and the board-to-board connector male receptacle 102. The elastic arms 34 are located below the corresponding first inner flanges 321, aligned with the first inner flanges 321, and the first inner flanges 321 function to protect the elastic arms 34. The inner side surface of the tail end of the elastic arm 34 is provided with a contact convex hull 340 positioned in the female socket slot 14, and the upper surface, the lower surface and the rear surface of the contact convex hull 340 are cambered surfaces.

The female helmet 30 is further provided with upwardly opening notches 36, the notches 36 penetrating the first inner flange 321 up and down, the notches 36 dividing the first inner flange 321 into two longitudinally spaced sections, and the end portions of the resilient arms 34 projecting upwardly into the notches 36. In other embodiments, the recess 36 extends up and down through the top plate 31 or the junction of the top plate 31 and the first inner flange 321.

The end wall 13 is provided with a slot 15 extending longitudinally through the end wall 13 and communicating with the female socket slot 14, and the resilient arms 34 extend from the outer side of the end wall 13 through the slot 15 and into the female socket slot 14. The elastic arms 34 extend longitudinally in the area of the side wall 12, and gaps are formed between the elastic arms 34 and the inner wall surface of the side wall 12, so that enough movement space is provided when the elastic arms 34 deform elastically, and therefore, the elastic arms 34 have longer force arms, and the problem that the elastic arms are large in yield after the board-to-board connector female seat 101 is plugged and unplugged is solved while stable assembly of the board-to-board connector female seat 101 is ensured, so that the board-to-board connector female seat 101 is contacted stably and reliably when in use.

The island armour 40 includes a reinforcing sheet 41 and a fixing sheet 42 extending longitudinally outward from the reinforcing sheet 41, the reinforcing sheet 41 covering the longitudinal end of the central island 11, the fixing sheet 42 being fixed in the bottom wall of the female socket 14. The reinforcing sheet 41 does not protrude beyond the outer wall surface of the central island 11, and does not increase the volume of the central island 11 additionally.

Referring to fig. 8, the board-to-board connector male socket 102 includes an elongated insulative housing 50, two rows of male socket terminals 60 fixed to the insulative housing 50, and male helmet 70 fixed to two longitudinal ends of the insulative housing 50. The insulating housing 50 is concavely provided with a male socket slot 54 into which the central island 11 of the insulating housing 10 is inserted, and the male socket slot 54 penetrates the insulating housing 50 up and down. The male socket terminal 60 has a butt portion 61, a fixing portion 62 and a soldering portion 63 in the male socket slot 54, the fixing portion 62 being exposed to the outer wall surface of the insulating housing 50, the male helmet 70 shielding a main body piece 71 at the longitudinal end of the insulating housing 50 and a horizontal soldering leg 72 extending laterally outward from the bottom end of the main body piece 71, the soldering portion 63 and the soldering leg 72 being soldered to the surface of the second circuit board.

When the board-to-board connector female socket 101 and the board-to-board connector male socket 102 are in butt joint, the central island 11 of the insulating socket body 10 is inserted into the male socket slot 54, the butt joint part 61 of the male socket terminal 60 is in electrical contact with the first contact part 21 of the female socket terminal 20, the fixing part 62 of the male socket terminal 60 is in electrical contact with the second contact part 22 of the female socket terminal 20, the main body piece 71 is in elastic contact with the contact convex hull 340 of the elastic arm 34, the welding feet 72 of the male helmet 70 downwards enter the notch 36 of the female helmet 30, the depth of the central island 11 inserted into the female socket slot 14 is increased, the contact point height of the elastic arm 34 is facilitated to be increased, the scraping stroke of the female helmet 30 and the male helmet 70 is increased under the ultralow height distribution state, and the contact stability of the female helmet 30 and the male helmet 70 is ensured.

Although the preferred embodiments of the present utility model have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the utility model as disclosed in the accompanying claims.

Claims (9)

1. The utility model provides a board to board connector female seat for dock with board to board connector male seat, board to board connector male seat includes insulating housing and is fixed in a pair of public seat armour of insulating housing's longitudinal both ends, public seat armour is equipped with outside transversely extending's horizontal welding foot, board to board connector female seat includes the insulating pedestal of lengthwise, is fixed in two rows of female seat terminal on the insulating pedestal and be fixed in a pair of female seat armour of insulating pedestal longitudinal both ends, the insulating pedestal is equipped with along the central island portion of longitudinal extension, is located two lateral walls of central island portion and connect in two the lateral wall, central island portion, two lateral wall and two the end wall jointly prescribe a limit to form female seat socket, central island portion is located in female seat socket, female seat terminal extends into female seat socket, female seat armour includes in the roof portion that the end wall is shaded, from the roof portion that the lateral wall is shaded down, from the lateral wall is shaded down in a pair of lateral flange and is located in its first flange inner wall is shaded down in the flange inner wall, the elastic body is shaded down in the flange, the side of the flange is shaded down in the flange is located in the inner wall thereof. The top plate or/and the first inner flange is/are provided with a notch with an upward opening for accommodating part of the elastic arm and the welding pin of the male seat of the board-to-board connector.

2. The board-to-board connector female socket of claim 1, wherein: the notch penetrates through the top plate part or/and the first inner flange up and down.

3. The board-to-board connector female socket of claim 1, wherein: the recess divides the first inner flange into two longitudinally spaced segments.

4. The board-to-board connector female socket of claim 1, wherein: the female helmet comprises a first side plate part which is downwards bent and extended from the longitudinal outer side of the top plate part, the elastic arms longitudinally extend from the transverse two ends of the first side plate part to the inner side, the first side plate part shields the outer wall surface of the end wall, and part of the elastic arms upwards extend into the notch.

5. The board-to-board connector female socket of claim 4, wherein: the inner side surface of the tail end of the elastic arm is provided with a contact convex hull positioned in the female seat slot, and the upper surface, the lower surface and the rear side surface of the contact convex hull are cambered surfaces.

6. The board-to-board connector female socket of claim 1, wherein: the female helmet includes a second inner flange bent downward from a longitudinal inner side of the top plate portion, and both lateral ends of the second inner flange are connected to the first inner flange and exposed to the female socket, and the second inner flange shields an inner wall surface of the end wall.

7. The board-to-board connector female socket of claim 1, wherein: the female helmet comprises a second side plate part which is downwards bent and extended from the transverse outer side of the top plate part, the second side plate part shields the outer wall surface of the side wall, and the elastic arm is transversely spaced from the second side plate part.

8. A board-to-board connector assembly comprising the board-to-board connector female socket of any one of claims 1-7 and a board-to-board connector male socket mated with the board-to-board connector female socket, the board-to-board connector male socket comprising a lengthwise insulated housing, two rows of male socket terminals fixed to the insulated housing, and male socket armor fixed to both longitudinal ends of the insulated housing, the insulated housing being provided with a male socket slot into which the central island is inserted, the female socket terminals and the male socket terminals being in electrical contact, characterized in that: the male helmet comprises a main body sheet shielding the longitudinal tail end of the insulating shell and horizontal welding feet extending outwards transversely from the bottom end of the main body sheet, and the welding feet downwards enter the notch.

9. The board-to-board connector assembly of claim 8, wherein: the male socket penetrates through the insulating shell up and down.