CN113300131A

CN113300131A - Oblique inserting type DDR connector and terminal

Info

Publication number: CN113300131A
Application number: CN202110500914.4A
Authority: CN
Inventors: 隆权; 岑燎炬; 刘振华
Original assignee: FCI Connectors Dongguan Co Ltd
Current assignee: FCI Connectors Dongguan Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-08-24

Abstract

The present invention provides an oblique plug-in DDR connector, comprising a connector body and terminals arranged in the connector body, two ends of the connector body are provided with corresponding connection seats, and the connector body is connected to a PCB through a supporting component The board is connected at 15 degrees, and the welding end of the terminal and the PCB board are also welded together; the connection seat is also clamped with corresponding ear buckles. By arranging the connector and the PCB board obliquely, the present invention has more space advantage in the height between the connector and the PCB board than the vertical structure, and is also convenient for disassembly and assembly; the support assembly ensures the connection between the connector and the PCB board. Stability; the contact end of the terminal adopts the S-shaped structure design, which is beneficial to the SI performance of the terminal, and the terminal holding part is fixed by the convex strip and the plane, and at the same time provides the holding force of the terminal, and can narrow the up and down direction of the terminal holding size, which can effectively improve the SI performance.

Description

Oblique inserting type DDR connector and terminal

Technical Field

The invention relates to the technical field of connectors, in particular to an inclined-insertion type DDR connector and a terminal.

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 the connection with the PCB board is also basically vertical, that is, the connection mode of the connector and the PCB board is 90 degrees, which occupies a large vertical space and is inconvenient to install and use.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the inclined-insertion type DDR connector and the terminal, wherein the connector can be obliquely connected with a PCB (printed circuit board) at an angle of 15 degrees, so that the space of the connector is increased, and the connector is convenient to disassemble and assemble.

The technical scheme of the invention is as follows: an oblique-insertion DDR connector comprises a connector body, and a plurality of upper row terminals and lower row terminals which are arranged in the connector body and matched with each other, wherein corresponding connecting seats are arranged at two ends of the connector body, a corresponding supporting component is arranged on one side of each connecting seat, the connector body is connected with a PCB board at an angle of 15 degrees through the supporting components, and welding ends of the upper row terminals and the lower row terminals are welded with the PCB board;

and the connecting seats at the two ends of the connector body are also clamped with corresponding ear buckles.

Preferably, the connector body is of a long-strip-shaped U-shaped structure, and the connector body is provided with a slot along the length direction in a clamping manner, and the connector body on two sides corresponding to the slot is provided with mounting grooves for mounting the upper row of terminals and the lower row of terminals.

Preferably, each connecting seat is provided with a corresponding clamping groove, and connecting holes are further formed in the connector body on two sides of each clamping groove.

Preferably, one side of the connecting seat is provided with a supporting assembly, the supporting assembly comprises a positioning column, a supporting part and a supporting seat, and a fixing sheet is further arranged in the supporting seat.

Preferably, the fixing piece is of an L-shaped structure, and a plurality of clamping points are further arranged on the fixing piece and connected with the connecting seat through the plurality of clamping points.

Preferably, the upper row of terminals includes a first connecting arm, and a first contact end and a first solder end integrally formed with the first connecting arm.

Preferably, the first contact end is of an S-shaped structure, and the first welding end is of an L-shaped structure.

Preferably, the first connecting arm is provided with a plurality of notches, and the notches are internally provided with corresponding convex strips.

Preferably, the lower row of terminals includes a second connecting arm, and a second contact end and a second terminating end integrally formed with the second connecting arm.

Preferably, the second contact end is of an S-shaped structure, and the second welding end is of an L-shaped structure.

Preferably, the second connecting arm is provided with a plurality of notches, and the notches are internally provided with corresponding convex strips.

Preferably, the first welding end of the first terminal and the second welding end of the second terminal are welded with the PCB in a front-to-back arrangement.

Preferably, the ear clip comprises a clip seat body, a first clip end and a second clip end, wherein the first clip end and the second clip end are arranged at two ends of the clip seat body, the first clip end is used for being connected with the connecting seat, and the second clip end is used for being connected with the card.

Preferably, the clamping seat body is further provided with a connecting shaft, and the connecting shaft is rotatably connected with the connector body through a connecting hole formed in the clamping groove.

Preferably, the second clamping end is further provided with a notch, and the second clamping end is clamped with the card through the notch.

Preferably, the clamping groove is internally provided with a corresponding stop block, a certain gap is formed between the tail ends of the first contact end and the second contact end and the stop block, when the card is inserted, the terminal can interfere with the stop block after being lifted, a position stopping effect can be achieved, the PIN kneeling problem of the terminal can be avoided, and after the card is completely inserted, the terminal moves downwards, so that the gap between the tail end of the terminal and the stop block is increased, and the SI performance is facilitated.

The invention also provides a terminal, which comprises a plurality of upper rows of terminals and lower rows of terminals which are matched with each other, wherein the upper rows of terminals and the lower rows of terminals have similar structures.

The invention has the beneficial effects that:

1. the connector and the PCB are obliquely arranged, so that the space of the connector can be increased, and compared with a vertical structure, the height between the connector and the PCB has more space advantage and is convenient to disassemble and assemble;

2. the invention ensures that the connector is fully contacted with the PCB through the supporting component, thereby ensuring the connection stability of the connector and the PCB;

3. the welding ends of the upper and lower rows of terminals are arranged in an L shape, so that the upper and lower rows of terminals can be conveniently welded with a PCB;

4. the contact end of the terminal adopts an S-shaped structural design, which is beneficial to the SI performance of the terminal, and the terminal holding part adopts the convex strip and the plane for fixing and simultaneously provides the holding force of the terminal, so that the size of the narrow terminal holding in the vertical direction can be changed, and the SI performance can be effectively improved;

5. the terminal has relatively uniform width and size, is favorable for SI performance, adopts front and back design of the welding ends of the upper and lower terminals, has good size stability, and can better ensure the reliable quality of products;

6. the terminal head part of the invention has no prepressing design, thus reducing stub problem and effectively improving SI performance; a certain gap is arranged between the head part of the terminal and the connector main body, when the card is inserted, the terminal is lifted and then generates interference with the connector main body, so that the position stopping effect can be achieved, and the kneeling PIN problem of the terminal can be avoided; when the card is completely inserted, the terminal is displaced downward, so that the gap between the terminal head and the connector body is enlarged, which is beneficial to SI performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of another side of the present invention;

FIG. 3 is a schematic cross-sectional view of a connector of the present invention;

FIG. 4 is a schematic structural view of a connector body according to the present invention;

FIG. 5 is an enlarged view of the connecting base of the present invention;

FIG. 6 is a schematic view of the layout structure of the upper row terminals and the lower row terminals of the present invention;

FIG. 7 is a schematic view of the upper row of terminals according to the present invention;

FIG. 8 is a schematic view of the structure of the lower row of terminals of the present invention;

FIG. 9 is a schematic view of the structure of the ear clip of the present invention;

FIG. 10 is a schematic view of the fastening sheet of the present invention;

in the figure, 1-connector body, 2-connecting seat, 3-PCB board, 4-upper row terminal, 5-lower row terminal; 6-the ear-button is arranged on the handle,

11-slot, 12-mounting slot;

21-clamping groove, 22-connecting hole, 23-positioning column, 24-supporting part, 25-supporting seat and 26-fixing piece;

41-a first connecting arm, 42-a first contact end, 43-a first welding end, 44-a convex strip;

51-a second connecting arm, 52-a second contact end, 53-a second welding end;

61-card seat body, 62-first clamping end, 63-second clamping end and 64-connecting shaft.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings:

example 1

As shown in fig. 1 and fig. 2, the embodiment provides an oblique-insertion DDR connector, which includes a connector body 1, and a plurality of upper row terminals 4 and lower row terminals 5 that are arranged in the connector body 1 and are matched with each other, where two ends of the connector body 1 are provided with corresponding connecting seats 2, one side of each connecting seat 2 is provided with a corresponding supporting component, the connector body 2 is connected with a PCB 3 by 15 degrees through the supporting component, and the welding ends of the upper row terminals 4 and the lower row terminals 5 are further welded to the PCB 3, as shown in fig. 3. And this embodiment the connecting seat 2 at both ends of the connector body 1 is further clamped with a corresponding ear clip 6, through the ear clip 6 realize the clamping connection of the connector and the card.

As shown in fig. 4, in the present embodiment, the connector body 1 is an elongated U-shaped structure, and the connector body 1 is provided with a slot 11 along a length direction in a clamping manner, the slot 11 is used for clamping, and mounting grooves 12 for mounting the upper row of terminals 4 and the lower row of terminals 5 are formed on the connector body 1 on two sides corresponding to the slot 11, the upper row of terminals 4 and the lower row of terminals 5 are mounted in the mounting grooves 12, and contact ends of the upper row of terminals 4 and the lower row of terminals 5 are located in the slot 11 to contact with a card.

As shown in fig. 4, each of the connecting sockets 2 is provided with a corresponding slot 21, and the connector body 1 on both sides of each slot 21 is further provided with a connecting hole 22.

As shown in fig. 4 and 5, a support assembly is disposed on one side of the connecting base 2, and the support assembly includes a positioning column 23, a support portion 24 and a support seat 25, and a fixing piece 26 is further disposed in the support seat 25.

Preferably, referring to fig. 10, the fixing plate 26 is an L-shaped structure, and a plurality of fastening points are further disposed on the fixing plate 26, and are connected to the connecting socket 2 through the plurality of fastening points.

As shown in fig. 6 and 7, the upper row terminal 4 preferably includes a first connecting arm 41, and a first contact end 42 and a first soldering end 43 integrally formed with the first connecting arm 41. The first contact end 42 has an S-shaped structure, and the first soldering end 43 has an L-shaped structure. And a plurality of notches are arranged on the first connecting arm 41, and corresponding convex strips 44 are arranged in the notches.

As shown in fig. 6 and 8, the lower row of terminals 5 preferably includes a second connecting arm 51, and a second contact end 52 and a second terminating end 53 integrally formed with the second connecting arm 51. The second contact end 52 has an S-shaped structure, and the second welding end 53 has an L-shaped structure. The second connecting arm 51 is provided with a plurality of notches, and the notches are internally provided with corresponding 4 convex strips.

As shown in fig. 3, the first soldering terminal 43 of the first terminal 4 and the second soldering terminal 53 of the second terminal 5 are soldered to the PCB 3 in a front-to-back manner. And the draw-in groove 21 in be provided with corresponding dog, first contact jaw 42 and second contact jaw 52 the end and the dog between have certain clearance, when inserting the card, the terminal lifts the back and can produce the interference with the dog, can play the position effect of ending, can avoid the terminal to kneel PIN problem and take place, when the card is inserted completely the back, the terminal is down displaced for the terminal end increases with the clearance of dog, is favorable to the SI performance.

As an embodiment, referring to fig. 9, the ear clip 6 includes a clip seat body 61, and a first clip end 62 and a second clip end 63 disposed at two ends of the clip seat body 61, wherein the first clip end 62 is used for connecting with the connecting seat 2, and the second clip end 63 is used for connecting with a card. And the card seat body 61 is also provided with a connecting shaft 64, and the connecting shaft 64 is rotatably connected with the connector body 1 through a connecting hole 22 arranged in the card slot 21. The second clamping end 63 is also provided with a notch, and the notch is clamped with the clamping piece.

Example 2

This embodiment provides a terminal, as shown in fig. 6, which includes a plurality of upper terminals 4 and lower terminals 5 that are engaged with each other, and the upper terminals 4 and the lower terminals 5 are similar in structure.

As shown in fig. 6 and 7, the upper row terminal 4 preferably includes a first connecting arm 41, and a first contact end 42 and a first soldering end 43 integrally formed with the first connecting arm 41. In this embodiment, the first connecting arm 41 serves as a holding portion for connecting with the connector. The first contact end 42 has an S-shaped structure, and the first soldering end 43 has an L-shaped structure. And a plurality of notches are arranged on the first connecting arm 41, and corresponding convex strips 44 are arranged in the notches.

As shown in fig. 6 and 8, the lower row of terminals 5 preferably includes a second connecting arm 51, and a second contact end 52 and a second terminating end 53 integrally formed with the second connecting arm 51. In this embodiment, the second connecting arm 51 serves as a holding portion connected to the connector. The second contact end 52 has an S-shaped structure, and the second welding end 53 has an L-shaped structure. The second connecting arm 51 is provided with a plurality of notches, and the notches are internally provided with corresponding convex strips 44.

As shown in fig. 3, the first soldering terminal 43 of the first terminal 4 and the second soldering terminal 53 of the second terminal 5 are soldered to the PCB 3 in a front-to-back manner.

The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.

Claims

1. An inclined plug-in DDR connector comprises a connector body (1), and a plurality of upper row terminals (4) and lower row terminals (5) which are arranged in the connector body 1 and are matched with each other, wherein two ends of the connector body (1) are provided with corresponding connecting seats (2), and the inclined plug-in DDR connector is characterized in that one side of each connecting seat (2) is provided with a corresponding supporting component, and the connector body (2) is connected with a PCB (3) in a 15-degree manner through the supporting components;

the supporting assembly comprises a positioning column (23), a supporting part (24) and a supporting seat (25), and a fixing sheet (26) is further arranged in the supporting seat (25);

the welding ends of the upper row of terminals (4) and the lower row of terminals (5) are welded with the PCB (3), and the welding ends of the upper row of terminals (4) and the lower row of terminals (5) are welded with the PCB (3) in a front-back arrangement mode;

the connector comprises a connector body (1), connecting seats (2) at two ends of the connector body (1) are connected with corresponding ear buckles (6) in a clamped mode, and the ear buckles (6) are connected with the connector and the card in a clamped mode.

2. The slanted plug type DDR connector of claim 1, wherein: the connector body (1) is of a long-strip U-shaped structure, a slot (11) is formed in the connector body (1) along the length direction, the slot (11) is used for inserting a card, mounting grooves (12) used for mounting upper-row terminals (4) and lower-row terminals (5) are formed in the connector body (1) on two sides, corresponding to the slot (11), of the slot (11), the upper-row terminals (4) and the lower-row terminals (5) are mounted in the mounting grooves (12), and contact ends of the upper-row terminals (4) and the lower-row terminals (5) are located in the slot (11) and are in contact with the card.

3. The slanted plug type DDR connector of claim 1, wherein: each connecting seat (2) is provided with a corresponding clamping groove (21), and connecting holes (22) are further formed in the connector body (1) on two sides of each clamping groove (21).

4. The slanted plug type DDR connector of claim 1, wherein: the fixing piece (26) is of an L-shaped structure, a plurality of clamping points are further arranged on the fixing piece (26), and the fixing piece is connected with the connecting seat (2) through the plurality of clamping points.

5. The slanted plug type DDR connector of claim 1, wherein: the upper row of terminals (4) comprises a first connecting arm (41), a first contact end (42) and a first welding end (43), wherein the first contact end and the first welding end are integrally formed with the first connecting arm (41);

the first contact end (42) is of an S-shaped structure, the first welding end (43) is of an L-shaped structure, a plurality of notches are formed in the first connecting arm (41), and corresponding convex strips (44) are arranged in the notches.

6. The slanted plug type DDR connector of claim 1, wherein: the lower row of terminals (5) comprises a second connecting arm (51), a second contact end (52) and a second connection end (53), wherein the second contact end and the second connection end are integrally formed with the second connecting arm (51);

the second contact end (52) is of an S-shaped structure, and the second welding end (53) is of an L-shaped structure. The second connecting arm (51) is provided with a plurality of notches, and corresponding convex strips (44) are arranged in the notches.

7. The slanted plug type DDR connector of claim 1, wherein: ear buckle (6) include cassette body (61), and set up first joint end (62) and second joint end (63) at cassette body (61) both ends, first joint end (62) be used for being connected with connecting seat 2, second joint end (63) be used for being connected with the card. The clamping seat body (61) is also provided with a connecting shaft (64), and the connecting shaft (64) is rotatably connected with the connector body (1) through a connecting hole (22) arranged in the clamping groove (21);

the second clamping end (63) is also provided with a notch, and the notch is clamped with the clamping piece.

8. The terminal is characterized by comprising a plurality of upper-row terminals (4) and lower-row terminals (5) which are matched with each other, wherein the structures of the upper-row terminals (4) and the lower-row terminals (5) are similar, and the welding ends of the upper-row terminals (4) and the lower-row terminals (5) are arranged in a front-back arrangement mode.

9. A terminal according to claim 8, characterized in that said upper row of terminals (4) comprises a first connecting arm (41), a first contact end (42) and a first soldering end (43) integrally formed with the first connecting arm (41);

10. A terminal according to claim 8, wherein the lower row of terminals (5) comprises a second connecting arm (51), a second contact end (52) and a second terminating end (53) integrally formed with the second connecting arm (51);