CN211238582U

CN211238582U - DDR5 type DRAM connector

Info

Publication number: CN211238582U
Application number: CN201922346051.0U
Authority: CN
Inventors: 隆权; 岑燎炬
Original assignee: FCI Connectors Dongguan Co Ltd
Current assignee: FCI Connectors Dongguan Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-11
Anticipated expiration: 2029-12-24

Abstract

The utility model provides a pair of DDR5 type memory bank connector, which comprises a socket, be equipped with the slot on the socket, the slot both ends are equipped with a plurality of first terminal grooves, second terminal groove respectively, first terminal inslot is fixed with first terminal, first terminal includes first welding part, first transmission portion, first flexion, first spacing portion, second transmission portion, second flexion, first bullet arm portion, first contact site lean on to second terminal one side sets up, first transmission portion, first spacing portion, first flexion, the cooperation of second transmission portion form a Y type structure, first transmission portion, first flexion, second transmission portion, second flexion, the cooperation of first bullet arm portion form an S type structure. The utility model discloses a connector, simple structure when guaranteeing that the terminal has the long arm, the connector highly little, it is small to occupy, has shortened the length of spacing portion, has improved the SI performance of terminal.

Description

DDR5 type DRAM connector

Technical Field

The utility model relates to a connector technical field, concretely relates to DDR5 type DRAM connector.

Background

DDR, double data rate synchronous dynamic random access memory, strictly speaking DDR should be called DDR SDRAM, and people are used to be called DDR memory. The DDR connector is a connector for connecting a memory bank and a circuit board, and the contact performance of the memory bank and the DDR connector and the welding performance of the DDR connector and the circuit board have great influence on the quality of equipment corresponding to the memory type products. In the DDR connector in the prior art, a general structure is a vertical structure, and after the memory card is plugged into the DDR connector, the memory card is vertically placed, which occupies a large vertical space, and does not utilize the development of the current electronic device in a light and thin manner.

In order to fix the position of the terminal, as shown in fig. 8, the name of the conventional terminal is defined as a third terminal 9, a long third limiting portion 91 is usually added on the third terminal 9, and a plurality of barbs are added on the third limiting portion 91 to reduce the risk of loosening of the third terminal 9, thereby ensuring the structural stability of the third terminal 9. A longer third limiting portion 91 will seriously affect the SI performance (impedance and insertion loss) of the third terminal 9.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a DDR5 type DRAM connector, simple structure when guaranteeing that the terminal has the long arm, the connector highly little occupies smallly, has shortened the length of spacing portion, has improved the SI performance of terminal.

In order to achieve the above object, the present invention provides the following technical solutions:

a DDR5 type internal memory connector comprises a socket, wherein a slot is arranged on the socket, a plurality of first terminal grooves and second terminal grooves are respectively arranged at two ends of the slot, the first terminal grooves and the second terminal grooves are arranged in a staggered manner, first terminals are fixed in the first terminal grooves, second terminals are fixed in the second terminal grooves, each first terminal comprises a first welding part, a first transmission part connected to the upper end of the first welding part, a first bending part connected to the upper end of the first transmission part, a first limiting part connected to one end of the first transmission part, a second transmission part connected to the upper end of the first bending part, a second bending part connected to the upper end of the second transmission part, a first elastic arm part connected to the upper end of the second bending part, and a first contact part connected to one end of the first elastic arm part, the first contact part is arranged close to the second side of each terminal, the first transmission part, the first limiting part, the first bending part and the second transmission part are matched to form a Y-shaped structure, and the first transmission part, the first bending part, the second transmission part, the second bending part and the first elastic arm part are matched to form an S-shaped structure.

Specifically, the second terminal includes the second welding part, connects the third transmission portion of second welding part upper end, connects the second elastic arm portion of third transmission portion upper end, connects the spacing portion of second of third transmission portion one end and connects the second contact site of second elastic arm portion one end, the second contact site lean on to first terminal one side sets up.

Specifically, the second limiting part is further provided with a barb.

Specifically, a limiting groove for inserting the first limiting part is formed in the inner side of the first terminal groove.

Specifically, the socket both ends all are connected with the support, the support bottom is fixed with the backup pad, the backup pad bottom is connected with the welding foot.

Specifically, a mounting hole is formed in the bottom of the welding foot.

The utility model has the advantages that:

firstly, the DDR5 connector of the present invention is different from the conventional vertical connector in that the slot is designed to be transversely inserted, so that the memory strip is transversely placed after being inserted, thereby reducing the overall height;

secondly, the upper end of the structure of the terminal forms a Y-shaped structure, the lower end of the structure of the terminal forms an S-shaped structure, the structure is stable, the terminal is provided with a long elastic arm part, and a bending part is arranged below the elastic arm part, so that the contact elasticity of the terminal can be improved, the length of the limiting part is shortened, and the SI performance of the terminal is improved;

and thirdly, two supports are additionally arranged at two ends of the socket and fixed through a bearing plate, so that the socket is easy to assemble, and the whole welded on a circuit board has high flatness and good stability.

Drawings

Fig. 1 is a perspective view of a DDR5 type bank connector according to the present invention.

Fig. 2 is a front view of a DDR5 type bank connector according to the present invention.

Fig. 3 is a cross-sectional view taken along the plane a-a in fig. 2.

Fig. 4 is a cross-sectional view taken along the plane a-a in fig. 2.

Fig. 5 is a perspective view of the first terminal according to the present invention.

Fig. 6 is a schematic structural view of the connector of the present invention after being plugged with the memory bank and being soldered on the circuit board.

Fig. 7 is a sectional view of the first terminal according to the present invention.

Fig. 8 is a sectional structural view of a prior art third terminal.

The reference signs are: the socket comprises a socket 1, a slot 11, a limit groove 12, a first terminal 2, a first welding part 21, a first transmission part 22, a first bending part 23, a first limit part 24, a second transmission part 25, a second bending part 26, a first elastic arm part 27, a first contact part 28, a second terminal 3, a second welding part 31, a third transmission part 32, a second elastic arm part 33, a second limit part 34, a second contact part 35, a support 4, a support plate 5, a welding pin 6, a mounting hole 61, a memory bank 7, a circuit board 8, a third terminal 9 and a third limit part 91.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

As shown in fig. 1-8:

a DDR5 type memory bank connector comprises a socket 1, wherein the socket 1 is provided with a slot 11, two ends of the slot 11 are respectively provided with a plurality of first terminal grooves and second terminal grooves, the first terminal grooves and the second terminal grooves are arranged in a staggered manner, a first terminal 2 is fixed in each first terminal groove, a second terminal 3 is fixed in each second terminal groove, each first terminal 2 comprises a first welding part 21, a first transmission part 22 connected to the upper end of the first welding part 21, a first bending part 23 connected to the upper end of the first transmission part 22, a first limiting part 24 connected to one end of the first transmission part 22, a second transmission part 25 connected to the upper end of the first bending part 23, a second bending part 26 connected to the upper end of the second transmission part 25, a first elastic arm part 27 connected to the second bending part 26, and a first contact part 28 connected to one end of the first elastic arm part 27, the first contact part 28 is arranged close to the side of the terminal 3, the first transmission part 22, the first limiting part 24, the first bending part 23 and the second transmission part 25 are matched to form a Y-shaped structure, the first transmission part 22, the first bending part 23, the second transmission part 25, the second bending part 26 and the first elastic arm part 27 are matched to form an S-shaped structure, the structural stability of the first terminal 2 in a first terminal groove is guaranteed, the first terminal 2 is prevented from loosening, the length of the first limiting part 24 is smaller due to the structure of the first terminal 2, referring to fig. 7 and 8, under the condition that the terminals have the same size, the length of the first limiting part 24 in fig. 7 is d, the length of the third limiting part 91 in fig. 8 is c, and d is obviously less than c, in the terminal field, the length of the limiting part is smaller, and the impedance and the insertion loss of the terminal are smaller, so that the structure of the application can obviously improve the SI performance of the terminal; in addition, the lower end of the first spring arm portion 27 has a second bending portion 26, and the long arm is beneficial to improving the mechanical performance (such as elastic performance) of the terminal in a limited space.

Preferably, the second terminal 3 includes a second soldering portion 31, a third transmission portion 32 connected to an upper end of the second soldering portion 31, a second spring arm portion 33 connected to an upper end of the third transmission portion 32, a second stopper portion 34 connected to an end of the third transmission portion 32, and a second contact portion 35 connected to an end of the second spring arm portion 33, and the second contact portion 35 is provided closer to the first terminal 2.

Preferably, the second position-limiting part 34 is further provided with a barb.

Preferably, the first terminal groove is provided inside with a stopper groove 12 into which the first stopper portion 24 is inserted.

Preferably, socket 1 both ends all are connected with support 4, and support 4 bottom is fixed with

backup pad

5, and 5 bottoms in backup pad are connected with welding foot 6, and a mounting hole 61 has been seted up to welding foot 6 bottom, and support 4 is fixed through support plate 5, easy assembly, and the welding is holistic roughness height on circuit board 8, and stability is good to design into horizontal grafting with slot 11, make the horizontal placement of memory bank 7 grafting back, reduced holistic height.

The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a DDR5 type DRAM connector, includes socket (1), be equipped with slot (11) on socket (1), slot (11) both ends are equipped with a plurality of first terminal grooves, second terminal groove respectively, first terminal groove with second terminal groove dislocation set, first terminal inslot is fixed with first terminal (2), second terminal inslot is fixed with second terminal (3), its characterized in that, first terminal (2) include first terminal (21), connect first transmission portion (22) in first welding part (21) upper end, connect first flexion (23) in first transmission portion (22) upper end, connect first spacing portion (24) of first transmission portion (22) one end, connect second transmission portion (25) of first flexion (23) upper end, connect second flexion (26) of second transmission portion (25) upper end, The first elastic arm part (27) is connected to the upper end of the second bending part (26), the first contact part (28) is connected to one end of the first elastic arm part (27), the first contact part (28) is arranged close to one side of the second terminal (3), the first transmission part (22), the first limiting part (24), the first bending part (23) and the second transmission part (25) are matched to form a Y-shaped structure, and the first transmission part (22), the first bending part (23), the second transmission part (25), the second bending part (26) and the first elastic arm part (27) are matched to form an S-shaped structure.

2. The DDR5 type bank connector of claim 1, wherein the second terminal (3) includes a second soldering portion (31), a third transmission portion (32) connected to an upper end of the second soldering portion (31), a second spring arm portion (33) connected to an upper end of the third transmission portion (32), a second stopper portion (34) connected to one end of the third transmission portion (32), and a second contact portion (35) connected to one end of the second spring arm portion (33), and the second contact portion (35) is disposed toward the first terminal (2).

3. The DDR5 type DRAM connector as claimed in claim 2, wherein the second limiting portion (34) further comprises barbs.

4. The DDR5 type DRAM connector as claimed in claim 1, wherein the first terminal slot is provided inside with a first stopper slot (12) for the first stopper portion (24) to be inserted into.

5. The DDR5 type DRAM connector as claimed in claim 1, wherein two ends of the socket (1) are connected with brackets (4), a support plate (5) is fixed at the bottom of each bracket (4), and a welding pin (6) is connected at the bottom of each support plate (5).

6. The DDR5 type DRAM connector as claimed in claim 5, wherein the bottom of the solder leg (6) is formed with a mounting hole (61).