CN220107136U

CN220107136U - Cable connector

Info

Publication number: CN220107136U
Application number: CN202320687712.XU
Authority: CN
Inventors: 杨文初; 卢凯; 杨显贵
Original assignee: Amphenol Assembletech Xiamen Co Ltd
Current assignee: Amphenol Assembletech Xiamen Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-11-28
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a cable connector, comprising: the first connector comprises a first shell, a first terminal and a circuit board, wherein a first inserting groove is formed in the front end of the first shell, the first terminal is arranged in the first inserting groove, and the first terminal extends along the rear end of the first shell; the circuit board is inserted into the rear end of the first shell and is electrically connected with the first terminal; the cable assembly is formed by stranding one or more wire harnesses from a first end and converging the wire harnesses to a second end, and the first end is electrically connected with the first terminal or/and the circuit board; and the second connector is electrically connected with the second end of the cable assembly. The utility model has compact structure, and can improve the holding force of the first terminal and prevent the terminal from withdrawing the pin by electrically connecting the rear end of the first terminal with the circuit board.

Description

Cable connector

Technical Field

The utility model relates to the field of electric connectors, in particular to a cable connector.

Background

Servers are an important component in electronic devices, which are devices that provide computing services. Since the server needs to respond to the service request and process it, the server should generally have the ability to afford the service and secure the service.

At present, a plurality of servers are generally integrated and installed in a server cabinet, and because of the large number of servers, in order to ensure power supply, a PDU (power distribution unit) is generally configured in the server cabinet, and then a plurality of power cables are connected to the PDU, so that each server is respectively supplied with power through each power cable. Because the power cable is thicker, and the distribution density of the power cable is higher, a larger cabinet installation space is required, and the miniaturization design is not facilitated.

In the existing cable connector, the power terminal is generally vertically inserted on the circuit board, and in the structure, the circuit board and the power terminal are vertically arranged, so that the whole size is larger. And in the connector, the holding force required by the terminal insertion and pulling is required to be larger than a certain standard value, and the terminal is frequently withdrawn due to the problems of terminal crimping and assembly.

Therefore, how to reduce the height of the power cable, reduce the distribution density of the power cable, and prevent the terminal from withdrawing the pin is a technical problem faced by those skilled in the art.

Disclosure of Invention

The utility model provides a cable connector capable of improving the holding force of a first terminal and realizing miniaturization design. In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model discloses a cable connector, comprising: the first connector comprises a first shell, a first terminal and a circuit board, wherein a first inserting groove is formed in the front end of the first shell, the first terminal is arranged in the first inserting groove, and the first terminal extends along the rear end of the first shell; the circuit board is inserted into the rear end of the first shell and is electrically connected with the first terminal; the cable assembly is formed by stranding one or more wire harnesses from a first end and converging the wire harnesses to a second end, and the first end is electrically connected with the first terminal or/and the circuit board; and the second connector is electrically connected with the second end of the cable assembly.

The first connector is a power connector, and a chip for power management is arranged on the circuit board.

Further, the first inserting groove is arranged along the first direction, and the circuit board is inserted into the rear end of the first shell along the first direction; the first terminals are provided with two rows along the second direction, the circuit board is a double-sided circuit board, the circuit board is inserted between the two rows of first terminals, and two sides of the circuit board are respectively electrically connected with the two rows of first terminals.

Preferably, the second connector comprises a second housing and a second terminal, a second inserting groove is formed in the second housing, the second terminal is arranged in the second inserting groove, and the second end of the cable assembly is electrically connected with the second terminal; the second inserting groove is arranged along a direction parallel to the second direction.

Preferably, the circuit board and the first terminal are externally injection molded with an outer mold, and the outer mold covers the electric connection part of the first end of the cable assembly and the first terminal.

Further, the cable assembly further comprises a buckling cover, wherein the buckling cover is located at one side, connected with the second connector, of the second end of the cable assembly, and the buckling cover is clamped with the second shell.

The buckle cover comprises a cover plate and at least two buckle plates perpendicular to the cover plate, and the buckle plates are provided with a buckle groove; the second shell is provided with a clamping protrusion, and the clamping groove is matched with the clamping protrusion to realize clamping connection.

The first connectors are provided with three, each first connector is internally provided with two rows of 4 first terminals, each second connector is internally provided with two rows of 6 second terminals.

Wherein the second connector is a 12VHPWR interface connector.

Preferably, a part of the wire harness of the cable assembly is electrically connected with the first terminal, and a part of the wire harness is electrically connected with the circuit board.

Due to the adoption of the structure, the utility model has the following beneficial effects:

1. the utility model connects the back end of the first terminal with the circuit board, which can improve the holding force of the first terminal and prevent the terminal from withdrawing the pin. The first end of the cable assembly can be directly connected with the first terminal, can also be connected with the circuit board, can be suitable for the connection of the wiring harness of the different types of transmission signals, reduces signal loss.

2. The chip is arranged on the circuit board, the chip on the server main board can be omitted, the main board space is saved, and the chip is convenient to repair.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic front view of fig. 1.

Fig. 3 is a schematic top view of fig. 2.

Fig. 4 is a schematic structural view of the first connector.

Fig. 5 is a schematic front view of fig. 4.

Fig. 6 is a schematic view of the structure of the invisible outer mold in fig. 5.

Fig. 7 is a schematic view of another angle of fig. 6.

Fig. 8 is a schematic perspective cross-sectional view of the first connector with the overmold removed.

Fig. 9 is a schematic diagram of the connection of the second connector to the cable assembly.

Fig. 10 is an exploded view of fig. 9.

Description of main reference numerals:

1: first connector, 11: first housing, 111: first jack groove, 12: first terminal, 13: circuit board, 14: outer mold, 2: cable assembly, 21: a wire harness; 22: b wire harness, 3: second connector, 31: second housing, 311: second mating groove, 312: card convex, 32: second terminal, 33: snap cap, 331: cover plate, 332: clasp plate, 333: clamping groove, 4: and a chip.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, the present utility model discloses a cable connector, comprising: one or more first connectors 1, a cable assembly 2 and a second connector 3.

As shown in fig. 4 to 8, the first connector 1 of the present embodiment includes a first housing 11, a first terminal 12, and a circuit board 13. The front end portion of the first housing 11 in the first direction is provided with a first insertion groove 111, a first terminal 12 is provided in the first insertion groove 111, and the first terminal 12 extends along the rear end portion of the first housing 11. The first plugging slot 111 is used for plugging with an external first electronic component to realize electrical connection. The first electronic component may be a card, and the respective conductive portions of the card (typically pads at or near the edge of the card) are inserted into the first housing 11 via the first insertion groove 111 to contact the front end portion of the first terminal 12, thereby establishing an electrical connection. As another example, the first electronic device may also be a plug connector configured to mate with the first housing 11, with its plug portion inserted into the first housing 11 via the first insertion groove 111 so that its conductive portion is in contact with the mating portion of the first terminal 12, thereby establishing an electrical connection.

In this embodiment, the first connector 1 is a Power connector with 2×4pin, two rows of terminals are disposed on the first electrical connector 1 along the second direction (Y direction in the drawing), the circuit board 13 is a 3mm patch double-sided PCB board, and the circuit board 13 is plugged between the two rows of terminals, as shown in fig. 5, the circuit board 13 is plugged at the rear end of the first housing along a direction parallel to the first direction (X direction in the drawing), and is electrically connected to the first terminal 12, so as to enhance the retention of the first terminal and prevent needle withdrawal. The circuit board 13 and the first terminal 12 are externally injection molded with an outer mold 14, and the outer mold 14 covers the electrical connection of the first end of the cable assembly 2, so that an insulating layer is formed at the electrical connection.

The cable assembly 2 is stranded from a first end (T-end) and then gathered to a second end (W-end), the first end being electrically connected to the first terminal or/and the circuit board 13. In this embodiment, the first end of the cable assembly 2 is provided with three wire harnesses, which are connected to the three first connectors 1, respectively. As shown in fig. 6 and 7, each wire harness has a plurality of wires, a wire harness 21 is electrically connected to the first terminal 12, and b wire harness 22 is electrically connected to the circuit board 13. The a-harness 21 may be a cable for transmitting a high-speed signal, and the b-harness 22 may be a cable for transmitting a low-speed signal. The high-speed signal is a signal whose rising edge or falling edge is less than 100ps, or a signal whose transmission along a transmission path causes a serious skin effect and ionization loss, and is used in, for example, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6, SAS4.0, 10G, and above ethernet. The a-harness 21 is directly electrically connected to the first terminal, and signal loss can be avoided.

The chip 4 is arranged on the circuit board 13, and the chip 4 is matched with electronic components on the circuit board 13, so that the configuration can be carried out according to the requirements of users to process signals transmitted by the cable assembly, and the functions of the electronic system are diversified. With this configuration, the present utility model is able to transmit and process signals between the first electronic device and the second electronic device. The provision of the chips 4 on the circuit board 13 makes it possible to cancel the corresponding chips on the target circuit board such as a motherboard, thereby saving space on the target circuit board. Furthermore, this can provide greater scalability to the electronic system of the cable connector, which can also improve the reliability of using the electronic system of the present utility model and reduce maintenance costs.

In some examples, the chip 34 is configured to at least one of: for implementing functional control and configuration of the power supply signal; the IO port expansion method is used for IO port expansion; as an electrically erasable programmable read-only memory (EEPROM), for example for updating Firmware (FW); and for processing the sensor signal, for example for processing a temperature signal. In these examples, the chip 34 may include a power management control chip, an IO port expansion chip, an EEPROM, a sensor chip, or a combination thereof. In other examples, the chip 34 may be a single chip and integrate these functions.

As shown in connection with fig. 9 and 10, the second connector 3 is electrically connected to the second end of the cable assembly 2. The second connector 3 is externally connected with a second electronic device. The second connector 3 includes a second housing 31, a second terminal 32, and a snap cap 33. The second housing 31 is provided with a second insertion groove 311, the second insertion groove 311 is provided with a second terminal 32, and the second end of the cable assembly 2 is electrically connected to the second terminal 32. The second plugging groove 311 is installed along a direction parallel to the second direction, that is, the installation direction of the second plugging groove 311 is perpendicular to the outgoing line direction of the second end of the cable, so that the second plugging groove 311 is smaller in size in the height direction, and the installation is convenient. In this embodiment, the second connector 3 is a 12VHPWR interface connector, and the second plugging slots 311 of the second connector 3 are provided with 2 rows of 6.

As shown in fig. 10, the latch cover 33 includes a cover 331 and at least two latch plates 332 perpendicular to the cover, and in this embodiment, 4 latch plates 332 are provided, and a latch slot 333 is provided on the latch plate 332. The second housing 31 is provided with a clamping protrusion 312, and the clamping groove 333 cooperates with the clamping protrusion 312 to realize clamping connection. The latch cover 33 is located at a connection side of the second end of the cable assembly 2 and the second connector 3, and the latch cover 33 is in latch connection with the second housing 31. By arranging the buckling cover 33, the second end of the cable assembly 2 is buckled with the second connector 3, so that the second end of the cable assembly 2 can be prevented from bending and protruding, and the cable fixing function is realized.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. A cable connector, comprising:

one or more first connectors (1), wherein the first connectors (1) comprise a first shell (11), first terminals (12) and a circuit board (13), a first inserting groove (111) is formed in the front end part of the first shell (11), the first terminals (12) are arranged in the first inserting groove (111), and the first terminals (12) extend along the rear end part of the first shell (11); the circuit board (13) is inserted into the rear end of the first shell (11) and is electrically connected with the first terminal (12);

a cable assembly (2) formed by stranding one or more strands from a first end and converging the strands to a second end, wherein the first end is electrically connected with a first terminal or/and a circuit board (13);

and a second connector (3) electrically connected with the second end of the cable assembly (2).

2. The cable connector of claim 1, wherein: the first connector (1) is a power connector, and the circuit board (13) is provided with a chip (4) for power management.

3. The cable connector of claim 1, wherein: the first inserting groove (111) is arranged along a first direction, and the circuit board (13) is inserted into the rear end of the first shell (11) along the first direction;

the first terminals (12) are arranged in two rows along the second direction, the circuit board (13) is a double-sided circuit board, the circuit board (13) is inserted between the two rows of the first terminals (12), and two sides of the circuit board (13) are respectively electrically connected with the two rows of the first terminals (12).

4. A cable connector according to claim 3, wherein: the second connector (3) comprises a second shell (31) and a second terminal (32), a second inserting groove (311) is formed in the second shell (31), the second terminal (32) is arranged in the second inserting groove (311), and the second end of the cable assembly (2) is electrically connected with the second terminal (32); the second insertion groove (311) is arranged along a direction parallel to the second direction.

5. A cable connector according to claim 3, wherein: the circuit board (13) and the first terminal (12) are externally injection-molded with an outer mold (14), and the outer mold (14) wraps the electric connection part of the first end of the cable assembly (2) and the first terminal (12).

6. The cable connector of claim 4, wherein: the cable assembly further comprises a clamping cover (33), wherein the clamping cover (33) is positioned on one side, connected with the second connector (3), of the second end of the cable assembly (2), and the clamping cover (33) is clamped with the second shell (31).

7. The cable connector of claim 6, wherein: the clamping cover (33) comprises a cover plate (331) and at least two clamping plates (332) which are perpendicular to the cover plate (331), and clamping grooves (333) are formed in the clamping plates (332); the second shell (31) is provided with a clamping convex (312), and the clamping groove (333) is matched with the clamping convex (312) to realize clamping.

8. The cable connector of claim 4, wherein: the first connectors (1) are provided with three, two rows of 4 first terminals (12) are arranged in each first connector (1), and two rows of 6 second terminals (32) are arranged in each second connector.

9. The cable connector of claim 8, wherein: the second connector (3) is a 12VHPWR interface connector.

10. The cable connector of claim 1, wherein: a part of the wire harness of the cable assembly (2) is electrically connected with the first terminal (12), and the part of the wire harness is electrically connected with the circuit board (13).