CN213845573U

CN213845573U - Socket connector

Info

Publication number: CN213845573U
Application number: CN202022634102.2U
Authority: CN
Inventors: 尹海港; 朱昭晖; 朱跃龙
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-30
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a socket connector, which comprises an insulating body, terminals fixedly held on the insulating body and protective supports positioned at the longitudinal two ends of the insulating body, wherein the insulating body is provided with an island part and two side walls positioned at the two transverse sides of the island part; the socket connector has the advantages that the end wall of the insulating body of the socket connector is removed, and the protective bracket replaces the original end wall, so that the socket connector is miniaturized and lightened. Simultaneously, island portion reinforcing plate is equipped with island portion end board, from the connecting portion of island portion end board's base along longitudinal extension and the bellying of upwards stretching out from the longitudinal end of connecting portion, tip reinforcing plate parcel bellying, promptly the bellying supports in the tip reinforcing plate for the intensity of tip reinforcing plate department can promote, has guaranteed socket connector's bulk strength.

Description

Socket connector

Technical Field

The utility model relates to a socket connector especially relates to a socket connector with metal protection support.

Background

A Board to Board Connector (BTB) is a Connector often used in electronic devices (e.g., mobile phones, tablet computers, etc.), and is used to mechanically and electrically interconnect a main Board of the electronic device and modules (e.g., a display module, a touch module, a camera module, etc.). The insulating body of each electric connector in the existing board-to-board connector is provided with a side wall extending along the longitudinal direction and two end walls connected with the two side walls, and the protective support is fixed at the longitudinal two ends of the insulating body so as to improve the strength of the protective support, thereby avoiding the occurrence of abnormal conditions such as improper assembly caused by the damage of the insulating body during plugging. Meanwhile, with the development of science and technology, the miniaturization and light weight of the board-to-board connector also become new requirements of users; in order to meet the above requirements, some electrical connectors have their insulating body end walls removed and have their protective brackets replace the original end walls, thereby achieving miniaturization and weight reduction of the electrical connectors. However, the conventional protective bracket is usually formed by bending or drawing a thin metal sheet, and due to the insufficient strength of the protective bracket, the strength of the two longitudinal ends of the electrical connector is insufficient, so that the two longitudinal ends of the electrical connector are easy to collapse when a board is plugged into a board connector.

It is therefore desirable to provide a new receptacle connector that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a socket connector with protective cradle, this socket connector has guaranteed the bulk strength of self when realizing miniaturization and lightweight.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a socket connector comprises an insulating body extending along the longitudinal direction, terminals fixed on the insulating body and protective supports located at the longitudinal two ends of the insulating body, wherein the insulating body is provided with an island portion extending along the longitudinal direction and two side walls located at the two transverse sides of the island portion, and the protective supports are fixed at the longitudinal two ends of the side walls. The protective bracket comprises an end reinforcing sheet with a downward opening and a side wall reinforcing sheet connected to the two transverse ends of the end reinforcing sheet, and the longitudinal tail end of the side wall reinforcing sheet is connected and fixed to the side wall. The socket connector further comprises an island reinforcing sheet at least partially connected to the island, the island reinforcing sheet is provided with an island end plate portion covering the longitudinal end face of the island, a connecting portion extending outwards from the bottom edge of the island end plate portion along the longitudinal direction, and a protruding portion protruding upwards from the longitudinal end of the connecting portion, and the end reinforcing sheet covers the protruding portion.

In a preferred embodiment, the end reinforcing plate is provided with an end top plate portion extending in a transverse direction, an end inner plate portion extending by being bent downward from a longitudinally inner side of the end top plate portion, and an end side plate portion extending by being bent downward from a longitudinally outer side of the end top plate portion, the end inner plate portion, the end top plate portion, and the end side plate portion collectively form a receiving groove opening downward, and the protruding portion is received in the receiving groove.

In a preferred embodiment, the protrusion portion includes a first reinforcing portion extending from a longitudinal end of the connecting portion to be bent upward and a second reinforcing portion extending from a top edge of the first reinforcing portion to be bent downward, and the first reinforcing portion and the second reinforcing portion extend into the receiving groove and support the end reinforcing piece.

In a preferred embodiment, the island portion reinforcing piece is provided with a welding portion extending longitudinally outward from the bottom edge of the second reinforcing portion, and the end portion reinforcing piece is provided with two welding legs extending longitudinally outward from the bottom edge of the end portion side plate portion, the two welding legs being located on both lateral sides of the welding portion, respectively.

In a preferred embodiment, the side wall reinforcing plate is provided with a side wall top plate portion extending in the longitudinal direction and a side wall side plate portion extending by being bent downward from the lateral outer side of the side wall top plate portion, the longitudinal end of the side wall top plate portion is connected to the top surface of the side wall and at least partially covers the top surface of the side wall, and the longitudinal end of the side wall side plate portion is connected to the outer wall surface of the side wall and at least partially embedded in the side wall.

In a preferred embodiment, the side wall reinforcing sheet is further provided with a welding leg portion extending outward in the lateral direction from the bottom edge of the side wall side plate portion, and an elastic arm bent inward in the lateral direction from the bottom edge of the side wall side plate portion and extending upward, and the elastic arm is located below the side wall top plate portion.

In a preferred embodiment, the elastic arms are respectively located on both lateral sides of the island reinforcing plate and are not connected to the insulating body, and the welding foot part and the elastic arms are arranged in a longitudinally offset manner.

In a preferred embodiment, the island reinforcing plate is provided with an island top plate at least partially covering the top surface of the island, the island end plate is formed by bending and extending downward from the outer side in the longitudinal direction of the island top plate, and the top surfaces of the end top plate, the side wall top plate and the island top plate do not exceed the top surface of the insulating body.

In a preferred embodiment, the side wall top plate is connected to both lateral ends of the end top plate to form a top surface shielding portion, the top surface shielding portion includes a horizontal portion disposed parallel to the top surface of the insulating body and an inclined portion extending downward from an inner side edge of the horizontal portion, and the inclined portion is formed by drawing from the inner side edge of the horizontal portion.

In a preferred embodiment, the protection bracket is integrally formed on the insulating body, the longitudinal ends of the side wall reinforcing pieces are embedded in the side walls of the insulating body, and the end reinforcing pieces are spaced from the insulating body.

Compared with the prior art, the utility model discloses following beneficial effect has: the protective bracket comprises an end reinforcing sheet with a downward opening and side wall reinforcing sheets connected to the two transverse ends of the end reinforcing sheet, and the longitudinal tail ends of the side wall reinforcing sheets are fixedly connected to the side walls; the socket connector has the advantages that the end wall of the insulating body of the socket connector is removed, and the protective bracket replaces the original end wall, so that the socket connector is miniaturized and lightened. Meanwhile, the socket connector also comprises an island reinforcing sheet at least partially connected to the island, the island reinforcing sheet is provided with an island end plate part covering the longitudinal end face of the island, a connecting part extending outwards from the bottom edge of the island end plate part along the longitudinal direction and a protruding part protruding upwards from the longitudinal tail end of the connecting part, and the end reinforcing sheet covers the protruding part; the bulge of the island reinforcing sheet is supported in the end reinforcing sheet, so that the thickness of the end reinforcing sheet is increased, the strength of the end reinforcing sheet is improved, and the overall strength of the socket connector is ensured.

Drawings

Fig. 1 is a perspective view of a socket connector according to a preferred embodiment of the present invention.

Fig. 2 is an exploded view of the receptacle connector shown in fig. 1.

Fig. 3 is a sectional view of the receptacle connector shown in fig. 1.

Fig. 4 is a partially enlarged view of the receptacle connector shown in fig. 3.

Fig. 5 is a perspective view of a portion of the protective bracket in the receptacle connector shown in fig. 2.

Fig. 6 is a schematic perspective view of the portion of the protective bracket shown in fig. 5 from another angle.

Fig. 7 is a perspective view of the island stiffener in the receptacle connector shown in fig. 2.

Detailed Description

Referring to fig. 1 to 3, a socket connector 100 according to a preferred embodiment of the present invention includes a housing 10 extending along a longitudinal direction, a terminal 20 fixed on the housing 10, and a protection bracket 30 at two longitudinal ends of the housing 10. The insulating body 10 is provided with a central island portion 11 extending in the longitudinal direction, and two side walls 12 located on both lateral sides of the island portion 11. The island portion 11 and the two side walls 12 are parallel to each other, and a slot 14 is defined between the island portion 11 and the two side walls 12, wherein the slot 14 is used for inserting a butting connector (not shown).

Referring to fig. 4 and 7, the protection bracket 30 is fixed to both longitudinal ends of the side wall 12 and includes an end reinforcing plate 40 opening downward and side wall reinforcing plates 50 connected to both lateral ends of the end reinforcing plate 40, and the longitudinal ends of the side wall reinforcing plates 50 are connected and fixed to the side wall 12. The protective bracket 30 is integrally formed on the insulating body 10 to improve the overall strength of the socket connector 100, and meanwhile, the socket connector 100 achieves the miniaturization and light weight of the socket connector 100 by removing the end wall of the conventional insulating body 10 and replacing the original end wall with the protective bracket 30.

The end reinforcing piece 40 is spaced apart from the insulating body 10, and the end reinforcing piece 40 is provided with an end top plate portion 41 extending in the transverse direction, an end inner plate portion 42 extending by bending downward from the longitudinal inner side of the end top plate portion 41, an end side plate portion 43 extending by bending downward from the longitudinal outer side of the end top plate portion 41, and two welding legs 44 extending outward in the longitudinal direction from the bottom edge of the end side plate portion 43. The end inner plate portion 42, the end top plate portion 41, and the end side plate portion 43 together form a receiving groove 45 that is open downward, and the receiving groove 45 is in an inverted U shape with the opening downward. The soldering pins 44 are used to be soldered to a circuit board (not shown), so as to increase the current conducting capability of the receptacle connector 100.

The longitudinal ends of the side wall reinforcing pieces 50 are embedded in the side walls 12 of the insulating body 10, and the side wall reinforcing pieces 50 are provided with side wall top plate parts 51 extending in the longitudinal direction and side wall side plate parts 52 extending by bending downward from the lateral outer sides of the side wall top plate parts 51, and the side wall top plate parts 51 are connected to the lateral two ends of the end part top plate part 41, so that the side wall reinforcing pieces 50 and the end wall reinforcing pieces 40 form a whole. The longitudinal end of the sidewall top plate 51 is connected to the top surface of the sidewall 12 and at least partially covers the top surface of the sidewall 12, and the longitudinal end of the sidewall side plate 52 is connected to the outer wall surface of the sidewall 12 and at least partially embedded in the sidewall 12, so as to enhance the strength of the sidewall 12 of the insulating body 10.

The side wall reinforcing sheet 50 is further provided with an elastic arm 53 which is bent inward in the transverse direction from the bottom edge of the side wall side plate portion 52 and extends upward, and a welding leg portion 54 which extends outward in the transverse direction from the bottom edge of the side wall side plate portion 52, and the welding leg portion 54 and the elastic arm 53 are arranged on both sides of the side wall side plate portion 52 in a longitudinally staggered manner. The elastic arm 53 is positioned below the side wall top plate part 51, so that the side wall top plate part 51 can play a role of protecting the elastic arm 53; the spring arm 53 is not connected to the housing 10, and the spring arm 44 is convenient to contact with the mating protection bracket when the receptacle connector 100 is plugged. The solder leg 54 is used to be soldered to a circuit board, thereby increasing the current conducting capability of the receptacle connector 100.

As shown in fig. 7, the protective bracket 30 of the receptacle connector 100 further includes an island portion reinforcing piece 60 at least partially connected to the island portion 11, and the resilient arms 53 are respectively located at both lateral sides of the island portion reinforcing piece 60. The island reinforcing plate 60 is provided with an island top plate portion 61 at least partially covering the top surface of the island 11, an island end plate portion 62 extending downward from the outer side in the longitudinal direction of the island top plate portion 61, a connecting portion 63 extending outward from the bottom edge of the island end plate portion 62 in the longitudinal direction, and a protruding portion 64 protruding upward from the longitudinal end of the connecting portion 63, and the island end plate portion 62 covers the longitudinal end surface of the island 11.

The protruding portion 64 is received in the receiving groove 45 of the end wall reinforcing sheet 40, and the protruding portion 64 includes a first reinforcing portion 641 bent and extended upward from the longitudinal end of the connecting portion 63 and a second reinforcing portion 642 bent and extended downward from the top edge of the first reinforcing portion 641, and the first reinforcing portion 641 and the second reinforcing portion 642 extend into the receiving groove 45 and support the end reinforcing sheet 40. In this embodiment, the end reinforcing piece 40 is sleeved outside the protruding portion 64, and the protruding portion 64 of the island reinforcing piece 60 is supported in the end reinforcing piece 40, so that the thickness of the end reinforcing piece 40 is increased, the strength of the end reinforcing piece 40 is improved, and the overall strength of the socket connector 100 is ensured.

The island portion reinforcing piece 60 is further provided with a welding portion 65 extending outward in the longitudinal direction from the bottom edge of the second reinforcing portion 641, and the two welding legs 44 are respectively located at both lateral sides of the welding portion 65. Meanwhile, the top surfaces of the end top plate 41, the side wall top plate 51 and the island top plate 61 do not exceed the top surface of the insulating body 10, that is, the overall height of the receptacle connector 100 is not increased while the weight of the receptacle connector 100 is reduced, thereby further realizing the miniaturization of the receptacle connector 100.

In this embodiment, the side wall top plate 51 is connected to both lateral ends of the end wall top plate 41 to form the top surface shielding portion 31, the top surface shielding portion 31 includes a horizontal portion 32 disposed parallel to the top surface of the insulating body 10 and an inclined portion 33 extending downward from an inner side edge of the horizontal portion 32, and the inclined portion 33 is formed by drawing from the inner side edge of the horizontal portion 32. The inclined portion 33 is used for guiding the insertion of the mating connector when the receptacle connector 100 is plugged with the mating connector. After the inclined portion 33 is formed by drawing, the material of the inclined portion 33 is hardened by cold work hardening, so that the strength of the inclined portion 33 is increased and the guiding effect is obviously improved, that is, the protective bracket 30 has good guiding performance while ensuring the overall strength. The inclined portion 33 can be formed by a thicker material for the protection bracket 30, so that the forward force and the current conduction force of the protection bracket are improved, while the overall volume of the receptacle connector 100 is not increased.

When the socket connector 100 is mated with a mating connector, the mating protection bracket first contacts the top shielding portion 31 and the island top plate portion 61 of the protection bracket 30, and is guided into the slot 14 by the inclined portion 33 of the top shielding portion 31; the contact area of the docking protection bracket then contacts the free end of the resilient arm 53 and finally abuts on the resilient arm 53. The elastic arm 53 contacts with the butting protection bracket of the butting connector and deforms elastically, so that a through-current path is formed among the butting connector, the socket connector 100 and the circuit board, and the through-current capacity of the socket connector 100 is improved.

In the present invention, the protection bracket 30 includes a downwardly open end reinforcing plate 40 and a side wall reinforcing plate 50 connected to both ends of the end reinforcing plate 40, and the longitudinal ends of the side wall reinforcing plate 50 are connected and fixed to the side wall 12; the socket connector 100 is reduced in size and weight by removing the end wall of the insulating body 10 and replacing the original end wall with the protective holder 30. Meanwhile, the protective bracket 30 of the receptacle connector 100 further includes an island reinforcing piece 60 at least partially connected to the island 11, the island reinforcing piece 60 is provided with an island end plate 62 covering a longitudinal end surface of the island 11, a connecting portion 63 extending longitudinally outward from a bottom edge of the island end plate 62, and a protruding portion 64 protruding upward from a longitudinal end of the connecting portion 63, and the end reinforcing piece 40 covers an outer side of the protruding portion 64; the protrusions 64 of the island reinforcement pieces 60 are supported in the end reinforcement pieces 40, so that the thickness of the end reinforcement pieces 40 is increased, the strength of the end reinforcement pieces 40 is improved, and the overall strength of the receptacle connector 100 is ensured.

In summary, the above is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the content of the specification should still belong to the scope covered by the present invention.

Claims

1. A socket connector comprises an insulating body extending along the longitudinal direction, terminals fixed on the insulating body and protective supports positioned at the two longitudinal ends of the insulating body, wherein the insulating body is provided with an island part extending along the longitudinal direction and two side walls positioned at the two transverse sides of the island part, and the protective supports are fixed at the two longitudinal ends of the side walls; the method is characterized in that: the protection support includes that the tip of under shed strengthens the piece and connect in the lateral wall reinforcing piece at the horizontal both ends of tip reinforcing piece, the vertical end connection of lateral wall reinforcing piece is fixed to on the lateral wall, the socket connector still include at least part connect in the island portion reinforcing piece of island portion, the island portion reinforcing piece be equipped with hide cover in the island portion end plate portion of the vertical terminal surface of island portion, from the base of island end plate portion is along the connecting portion of vertical outside extension and from the bellying of the vertical end upwards protruding of connecting portion, the tip reinforcing piece covers the bellying.

2. The receptacle connector of claim 1, wherein: the end reinforcing sheet is provided with an end top plate part extending transversely, an end inner plate part bending and extending downwards from the longitudinal inner side of the end top plate part, and an end side plate part bending and extending downwards from the longitudinal outer side of the end top plate part, the end inner plate part, the end top plate part and the end side plate part form an accommodating groove with a downward opening together, and the protruding part is accommodated in the accommodating groove.

3. The receptacle connector of claim 2, wherein: the protruding portion comprises a first reinforcing portion and a second reinforcing portion, the first reinforcing portion extends from the longitudinal tail end of the connecting portion in an upward bending mode, the second reinforcing portion extends from the top edge of the first reinforcing portion in a downward bending mode, and the first reinforcing portion and the second reinforcing portion extend into the accommodating groove and support the end reinforcing piece.

4. The receptacle connector of claim 3, wherein: the island reinforcing sheet is provided with a welding part extending outwards from the bottom edge of the second reinforcing part along the longitudinal direction, the end reinforcing sheet is provided with two welding feet extending outwards from the bottom edge of the end side plate part along the longitudinal direction, and the two welding feet are respectively positioned at two transverse sides of the welding part.

5. The receptacle connector of claim 2, wherein: the lateral wall reinforcing sheet is provided with a lateral wall top plate part extending along the longitudinal direction and a lateral wall lateral plate part extending from the lateral outer side of the lateral wall top plate part in a downward bending mode, the longitudinal tail end of the lateral wall top plate part is connected to the top surface of the lateral wall and at least partially covers the top surface of the lateral wall, and the longitudinal tail end of the lateral wall lateral plate part is connected to the outer wall surface of the lateral wall and at least partially embedded in the lateral wall.

6. The receptacle connector of claim 5, wherein: the side wall reinforcing sheet is also provided with a welding foot part extending outwards from the bottom edge of the side wall side plate part along the transverse direction and an elastic arm bending inwards and extending upwards from the bottom edge of the side wall side plate part along the transverse direction, and the elastic arm is positioned below the side wall top plate part.

7. The receptacle connector of claim 6, wherein: the elastic arms are respectively located on two transverse sides of the island reinforcing sheet and are not connected to the insulating body, and the welding foot parts and the elastic arms are arranged in a staggered mode in the longitudinal direction.

8. The receptacle connector of claim 5, wherein: the island reinforcing plate is provided with an island top plate part at least partially covering the top surface of the island, the island top plate part is formed by bending and extending the longitudinal outer side of the island top plate part downwards, and the end top plate part, the side wall top plate part and the top surface of the island top plate part do not exceed the top surface of the insulating body.

9. The receptacle connector of claim 5, wherein: the side wall top plate part is connected with the two transverse ends of the end part top plate part to form a top surface shielding part, the top surface shielding part comprises a horizontal part and an inclined part, the horizontal part is parallel to the top surface of the insulating body, the inclined part extends from the inner side edge of the horizontal part in a downward inclined mode, and the inclined part is formed by drawing from the inner side edge of the horizontal part.

10. The receptacle connector of claim 1, wherein: the protective bracket is integrally formed on the insulating body, the longitudinal tail end of the side wall reinforcing piece is embedded in the side wall of the insulating body, and the end reinforcing piece and the insulating body are arranged at intervals.