CN219371421U

CN219371421U - Large current-carrying board-to-board power connector capable of meeting PIP and compression joint process

Info

Publication number: CN219371421U
Application number: CN202222858376.9U
Authority: CN
Inventors: 谢敢波; 郑沛明; 陆时祥
Original assignee: FCI Connectors Dongguan Co Ltd
Current assignee: FCI Connectors Dongguan Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-07-18
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a large current-carrying board-to-board power connector capable of meeting PIP and compression joint process, which comprises a plastic shell, a plurality of power terminals and signal terminals, wherein the power terminals and the signal terminals are arranged in the plastic shell, and the lower ends of the power terminals and the signal terminals are welded with a PCB; corresponding supports are arranged at two ends of the plastic shell, corresponding standing feet are inserted into each support, and a plurality of communicated ventilation holes are further formed in the lower ends of the supports at the positions of the standing feet. The utility model ensures that hot air can flow to the tin feet inside the connector through the heat vent holes, thereby meeting PIP manufacturing process; and the distance between standing foot and the PCB board is 0.5mm to make the 0.5mm clearance between PCB board and the insulating casing bottom of connector, guarantee hot-blast circulation, thereby guarantee that the inside tin foot of connector is heated evenly, 0.5 mm's clearance can play certain cushioning effect simultaneously, thereby avoid the excessive pressure problem between terminal and the PCB board.

Description

Large current-carrying board-to-board power connector capable of meeting PIP and compression joint process

Technical Field

The utility model relates to the technical field of connectors, in particular to a large current carrying board-to-board power connector capable of meeting PIP and compression joint processes.

Background

The connector is mainly applied to occasions with high voltage requirements such as servers/communication equipment and the like, and is a common electronic device for realizing current and/or signal transmission functions through contact of connecting terminals. However, the conventional connector cannot meet the over-pressure design of the PIP process and the crimp process at the same time.

The PIP process refers to Pin in pad, which is called PIP for short, and is that solder paste is brushed on a PCB, then a connector is placed on the PCB with the solder paste, and the solder paste is melted at a high temperature, so that the problem that the internal solder paste is heated unevenly exists in the conventional connector.

The overpressure design of the crimping process means that the welding end of the terminal is pressed into the PCB, the existing connector is completely attached to the PCB, however, because the plastic of the existing connector has elasticity, the phenomenon that the fisheye terminal is not pressed in place often occurs in the crimping process, and the overpressure problem occurs in the crimping process.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a large current-carrying board-to-board power connector which can meet PIP and compression joint processes.

The technical scheme of the utility model is as follows: a large current-carrying board-to-board power connector capable of meeting PIP and compression joint process comprises a plastic shell, a plurality of power terminals and signal terminals, wherein the power terminals and the signal terminals are arranged in the plastic shell, and the lower ends of the power terminals and the signal terminals are welded with a PCB;

the plastic shell is characterized in that corresponding supports are arranged at two ends of the plastic shell, corresponding stand legs are inserted into each support, and a plurality of communicated ventilation holes are further formed in the lower ends of the supports at the positions of the stand legs.

Preferably, the height difference between the bottom of the plastic shell and the PCB is 0.5mm.

Preferably, the power terminal comprises a power terminal body, and a power terminal contact end is integrally formed at one end of the power terminal body; the lower end of the power terminal body is integrally formed with a plurality of fish-eye type power terminal welding ends.

Preferably, the upper end of the power terminal body is provided with a clamping strip which is used for being clamped with the plastic shell, and the upper end of the plastic shell is provided with a plurality of strip-shaped clamping grooves which are used for being matched with the clamping strip.

Preferably, the signal terminal comprises a signal terminal body, the signal terminal body is of an L-shaped structure, and two ends of the signal terminal body are respectively integrally formed with a signal terminal contact end and a signal terminal welding end.

Preferably, the signal terminal body includes a first connecting arm and a second connecting arm, and the first connecting arm and the second connecting arm form an L-shaped structure;

part of the first connecting arms are of U-shaped structures, and two signal terminal contact ends are integrally formed at the end parts of the first connecting arms of the U-shaped structures; the outer side wall of the first connecting arm end of the U-shaped structure is also provided with a bump;

the end part of the second connecting arm is integrally formed with a fish-eye type signal terminal welding end, and corresponding bumps are symmetrically arranged on two sides of the second connecting arm.

Preferably, the standing leg comprises a first supporting leg and a second supporting leg which are symmetrically arranged, and connecting beams are arranged at the upper ends of the first supporting leg and the second supporting leg.

Preferably, the upper end of the connecting beam is further provided with a plug-in part, the plug-in part is arranged opposite to the first support leg and the second support leg, and the plug-in part is plugged in the slot of the support.

Preferably, the outer sides of the first support leg and the second support leg are provided with clamping parts for being clamped with a PCB.

Preferably, the vent hole has a U-shaped structure, and the open end of the vent hole is in contact with the PCB.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the hot air vent is arranged on the support of the plastic shell, so that hot air can flow to the tin feet inside the connector, and the PIP manufacturing process is satisfied;

2. according to the utility model, the stand legs are arranged, and the distance between the stand legs and the PCB is 0.5mm, so that a gap of 0.5mm between the PCB and the bottom of the insulating shell of the connector is formed, the circulation of hot air is ensured, the tin legs in the connector are uniformly heated, and meanwhile, the gap of 0.5mm can play a certain role in buffering, so that the problem of poor overvoltage between the terminal and the PCB and the problem of insufficient voltage between the fisheye terminal and the PCB are avoided, and the problem of plastic fracturing is also avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of another embodiment of the present utility model;

FIG. 3 is a schematic view of the bottom structure of the plastic housing of the present utility model;

FIG. 4 is a schematic view of the power terminal of the present utility model;

FIG. 5 is a schematic diagram of a signal terminal according to the present utility model;

FIG. 6 is a schematic view of the structure of the stand according to the present utility model;

FIG. 7 is a schematic cross-sectional view of a plastic housing and a PCB according to the present utility model;

in the figure, a 1-plastic shell, a 2-power terminal, a 3-signal terminal, a 4-support, a 5-stand and a 6-vent;

11-a strip-shaped clamping groove;

21-a power terminal body, 22-a power terminal contact end; 23-a power terminal welding end; 24-clamping strips;

31-signal terminal body, 32-signal terminal contact end, 33-signal terminal weld end; 34-first connecting arm, 35-second connecting arm, 36-bump; 37-bump;

41-slots;

51-first leg, 52-second leg, 53-connecting beam; 54-plug-in part and 55-clamping part.

Detailed Description

The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:

as shown in fig. 1-3, the present embodiment provides a large current carrying board-to-board power connector capable of meeting the PIP and compression process, which comprises a plastic housing 1, and a plurality of power terminals 2 and signal terminals 3 arranged in the plastic housing 1, wherein the lower ends of the power terminals 2 and the signal terminals 3 are welded with a PCB board;

corresponding supports 4 are arranged at two ends of the plastic shell 1, corresponding stand legs 5 are inserted into each support 4, and a plurality of communicated ventilation holes 6 are further formed in the lower ends of the supports 4 at the positions of the stand legs 5.

As shown in fig. 7, the height difference between the bottom of the plastic housing 1 and the PCB is preferably 0.5mm.

As a preferred embodiment, as shown in fig. 4, the power terminal 2 includes a power terminal body 21, and a power terminal contact end 22 is integrally formed at one end of the power terminal body 21; the lower end of the power terminal body 21 is integrally formed with a plurality of fish-eye type power terminal welding ends 23.

As shown in fig. 4, the upper end of the power terminal body 21 is provided with a clamping strip 24 for being clamped with the plastic housing 1, and the upper end of the plastic housing 1 is provided with a plurality of strip-shaped clamping grooves for being matched with the clamping strip 24.

As shown in fig. 5, the signal terminal 3 preferably includes a signal terminal body 31, the signal terminal body 31 has an L-shaped structure, and two ends of the signal terminal body 31 are integrally formed with a signal terminal contact end 32 and a signal terminal welding end 33, respectively.

As a preferred embodiment, as shown in fig. 5, the signal terminal body 31 includes a first connecting arm 34 and a second connecting arm 35, and the first connecting arm 34 and the second connecting arm 35 form an L-shaped structure;

part of the first connecting arms 34 are of a U-shaped structure, and two signal terminal contact ends 32 are integrally formed at the end parts of the first connecting arms 34 of the U-shaped structure; the outer side wall of the end of the first connecting arm 34 of the U-shaped structure is also provided with a bump 36;

the end part of the second connecting arm 35 is integrally formed with a fish-eye type signal terminal welding end 33, and two sides of the second connecting arm 35 are symmetrically provided with corresponding bumps 37.

As a preferred embodiment, as shown in fig. 6, the stand 5 includes a first leg 51 and a second leg 52 symmetrically disposed, and a connecting beam 53 is disposed at the upper ends of the first leg 51 and the second leg 52.

As shown in fig. 6, preferably, the upper end of the connecting beam 53 is further provided with a plugging portion 54, and the plugging portion 54 is disposed opposite to the first leg 51 and the second leg 52, and the plugging portion 54 is plugged into the slot 41 of the support 4.

As a preferred embodiment, as shown in fig. 6, the outer sides of the first leg 51 and the second leg 52 are provided with a clamping portion 55 for clamping with the PCB board.

As shown in fig. 3, the vent 6 is preferably in a U-shaped structure, and the open end of the vent 6 contacts the PCB.

The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a big current-carrying board to board power connector that can satisfy PIP and crimping process which characterized in that: the PCB comprises a plastic shell (1), and a plurality of power terminals (2) and signal terminals (3) which are arranged in the plastic shell (1), wherein the lower ends of the power terminals (2) and the signal terminals (3) are welded with the PCB; corresponding supports (4) are arranged at two ends of the plastic shell (1), corresponding stand legs (5) are inserted into each support (4), and a plurality of communicated ventilation holes (6) are further formed in the lower ends of the supports (4) at the positions of the stand legs (5).

2. The large current board-to-board power connector of claim 1, wherein said PIP and crimp process is satisfied by: the bottom height difference between the plastic shell (1) and the PCB is 0.5mm.

3. The large current board-to-board power connector of claim 1, wherein said PIP and crimp process is satisfied by: the power terminal (2) comprises a power terminal body (21), and a power terminal contact end (22) is integrally formed at one end of the power terminal body (21); the lower end of the power terminal body (21) is integrally formed with a plurality of fish-eye type power terminal welding ends (23).

4. A large current carrying board-to-board power connector for PIP and crimp processes as claimed in claim 3, wherein: the power terminal is characterized in that the upper end of the power terminal body (21) is provided with a clamping strip (24) used for being clamped with the plastic shell (1), and the upper end of the plastic shell (1) is provided with a plurality of strip-shaped clamping grooves (11) used for being matched with the clamping strip (24).

5. The large current board-to-board power connector of claim 1, wherein said PIP and crimp process is satisfied by: the signal terminal (3) comprises a signal terminal body (31), the signal terminal body (31) is of an L-shaped structure, and two ends of the signal terminal body (31) are respectively integrally formed with a signal terminal contact end (32) and a signal terminal welding end (33).

6. The large current board-to-board power connector of claim 5, wherein said PIP and crimp process is met by: the signal terminal body (31) comprises a first connecting arm (34) and a second connecting arm (35), and the first connecting arm (34) and the second connecting arm (35) form an L-shaped structure; part of the first connecting arms (34) are of U-shaped structures, and two signal terminal contact ends (32) are integrally formed at the end parts of the first connecting arms (34) of the U-shaped structures; the end part of the second connecting arm (35) is integrally formed with a fish-eye type signal terminal welding end (33);

the outer side wall of the first connecting arm (34) of the U-shaped structure is also provided with a bump (36); corresponding convex blocks (37) are symmetrically arranged on two sides of the second connecting arm (35).

7. The large current board-to-board power connector of claim 1, wherein said PIP and crimp process is satisfied by: the vent hole (6) is of a U-shaped structure, and the opening end of the vent hole (6) is in contact with the PCB.