High-speed connector for hard disk

Abstract

The utility model discloses a high-speed connector for a hard disk. The high-speed connector comprises a shell, a PCB (Printed Circuit Board), a first module, a second module, a third module and a fourth module, the shell is provided with an insertion cavity with a forward opening; the PCB is arranged in the insertion cavity, and a plurality of first contact parts are arranged on the two surfaces of the PCB; the first module is arranged on the shell, the second module and the third module are both arranged at the rear end of the upper surface of the PCB and are both welded and conducted with the corresponding first contact parts, and the fourth module is arranged at the rear end of the lower surface of the PCB and is welded and conducted with the corresponding first contact parts. A PCB is selected to replace a traditional tongue plate structure, the PCB is arranged in an insertion cavity, the two surfaces of the PCB are each provided with a plurality of first contact parts, and the design that multiple metal layers used for transmitting electric signals are arranged in the PCB, the multiple metal layers are arranged at intervals in the vertical direction and the multiple metal layers are arranged in the vertical direction is matched. The high-frequency connector can provide more stable and stronger high-frequency transmission capability for the connector, thereby meeting the requirements of products.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of connector especially is a high speed connector for hard disk. BACKGROUND

[0002] Electric connectors provide electrical connections between different electronic systems through conductive terminals to enable signal and / or power transfer. One type of electric connector is an "electric connector for storage drive" that is configured to be able to provide an industry standard interface such as SFF-8639 to establish electrical connections between a storage drive such as a hard disk drive (HDD), a solid state drive (SSD), an optical disk drive (ODD) and a circuit board such as a backplane, a midplane, a drive carrier board. Such electric connectors generally include a plug connector and a socket connector that are mated to each other. The plug connector is configured to be mounted to the circuit board and the socket connector is configured to connect the storage drive to the plug connector. In this way, the electric connector composed of the plug connector and the socket connector is able to establish electrical connections between the storage drive and the circuit board to enable signal and / or power transfer.

[0003] With the wide application and promotion of the connector, the current product has higher and higher requirements for the high speed transmission capability of the connector for hard disk, and the current connector for hard disk has poor high speed transmission capability, which is difficult to meet the product demand. Therefore, it is necessary to improve the existing high speed connector for hard disk. SUMMARY

[0004] Therefore, the utility model provides a high speed connector for hard disk, which can effectively solve the problem of poor high speed transmission capability of the existing connector for hard disk, and meet the product demand.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A high speed connector for hard disk, comprising a shell, a PCB board, a first module, a second module, a third module and a fourth module; the shell has an insertion cavity with an opening facing forward; the PCB board is arranged in the insertion cavity, and both surfaces of the PCB board are provided with a plurality of first contact parts, and the PCB board is provided with a plurality of metal layers for transmitting electric signals, and the plurality of metal layers are arranged in an upper and lower interval; the first module is arranged on the shell, the second module and the third module are arranged at the rear end of the upper surface of the PCB board and are welded in conduction with the corresponding first contact parts, and the fourth module is arranged at the rear end of the lower surface of the PCB board and is welded in conduction with the corresponding first contact parts.

[0007] As a preferred solution, the first module comprises a first seat body extending from the shell and a plurality of first terminals, each of which is arranged on the surface of the first seat body and comprises a second contact part and a first welding part integrally connected, the second contact part is exposed on the surface of the first seat body, and the first welding part extends outward from the shell.

[0008] As a preferred solution, the second module and the third module are respectively located on both sides of the first module, the second module comprises a second seat body arranged at the rear end of the upper surface of the PCB and a plurality of second terminals, each of which is arranged on the second seat body and comprises a third contact part and a second welding part integrally connected, the third contact part is welded in conduction with the corresponding first contact part, and the second welding part extends outward from the shell; the third module comprises a third seat body arranged at the rear end of the upper surface of the PCB and a plurality of third terminals, each of which is arranged on the third seat body and comprises a fourth contact part and a third welding part integrally connected, the fourth contact part is welded in conduction with the corresponding first contact part, and the third welding part extends outward from the shell.

[0009] As a preferred solution, the fourth module comprises a fourth seat body arranged at the rear end of the lower surface of the PCB and a plurality of fourth terminals, each of which is arranged on the fourth seat body and comprises a fifth contact part and a fourth welding part integrally connected, the fifth contact part is welded in conduction with the corresponding first contact part, and the fourth welding part extends outward from the shell.

[0010] As a preferred solution, the first welding part, the second welding part, the third welding part and the fourth welding part all extend rearward from the shell to facilitate welding with the external control panel.

[0011] As a preferred solution, the rear end of the PCB is provided with a plurality of through fixing holes arranged in left and right intervals, the second module has a first fixing column, the third module has a second fixing column, and the fourth module has a third fixing column, the first fixing column, the second fixing column and the third fixing column are inserted into the corresponding fixing holes to fix, so that the second module, the third module and the fourth module are more firmly and reliably assembled with the PCB.

[0012] As a preferred solution, the bottom surface of the shell extends downwardly to have a positioning column, so that the connector is more accurate when assembled with the external control panel.

[0013] As a preferred solution, the shell is provided with a slot on both sides, the slot is provided with a fixing member, the fixing foot of the fixing member extends downwardly from the slot, and the design of the fixing member can firmly and reliably fix the connector and the external control panel together.

[0014] The utility model discloses a compared with prior art has obvious advantage and beneficial effect, specifically speaking, by above-mentioned technical scheme can know:

[0015] Through the selection PCB board replaces traditional tongue board structure, and set up in the intercalation cavity, the both surfaces of PCB board are provided with a plurality of first contact parts, cooperate with the metal layer for transmitting electric signal in the PCB board and set up, the upper and lower interval arrangement of multilayer metal layer, the design of multilayer metal layer can provide more stable, stronger high-frequency transmission capacity for connector, to meet product demand accordingly.

[0016] To more clearly set forth the structure characteristics and efficacy of the utility model, below combining with the specific embodiment to the utility model is explained in detail: BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the assembly three-dimensional schematic diagram of preferred embodiment of the utility model;

[0018] Figure 2 It is the assembly three-dimensional schematic diagram of another angle of preferred embodiment of the utility model;

[0019] Figure 3 It is the exploded view of preferred embodiment of the utility model;

[0020] Figure 4 It is the sectional view of preferred embodiment of the utility model;

[0021] Figure 5 The exploded view of PCB board in preferred embodiment of the utility model.

[0022] Brief description of drawings:

[0023] 10, shell 11, intercalation cavity

[0024] 12, positioning column 13, slot

[0025] 14, fixed part 141, fixed foot

[0026] 20, PCB board 21, first contact part

[0027] 22, metal layer 23, fixed hole

[0028] 30, first module 31, first seat body

[0029] 32, first terminal 321, second contact part

[0030] 322, first welding part 40, second module

[0031] 41, second seat body 42, second terminal

[0032] 421, third contact portion 422, second welding portion

[0033] 43, first fixing column 50, third module

[0034] 51, third seat body 42, second terminal

[0035] 521, fourth contact portion 522, third welding portion

[0036] 53, second fixing column 60, fourth module

[0037] 61, fourth seat body 62, fourth terminal

[0038] 621, fifth contact portion 622, fourth welding portion

[0039] 63, third fixing column. DETAILED DESCRIPTION

[0040] Please refer to Figures 1 to 5 The specific structure of the preferred embodiment of the utility model is shown in the figure, which comprises a shell 10, a PCB 20, a first module 30, a second module 40, a third module 50 and a fourth module 60.

[0041] The shell 10 has an insertion cavity 11 with an opening facing forward; in this embodiment, the bottom surface of the shell 10 extends downward with a positioning column 12, so that the connector is more accurate when assembled with the external control panel; and both sides of the shell 10 are provided with a slot 13, and the slot 13 is provided with a fixing member 14, the fixing foot 141 of the fixing member 14 extends out of the slot 13, and the design of the fixing member 14 can firmly and reliably fix the connector and the external control panel together.

[0042] The PCB 20 is arranged in the insertion cavity, and both surfaces of the PCB 20 are provided with a plurality of first contact portions 21, and the PCB 20 is provided with a plurality of metal layers 22 for transmitting electrical signals, and the plurality of metal layers 22 are arranged in an upper and lower interval; in this embodiment, the rear end of the PCB 20 is provided with a through fixed hole 23, and the fixed hole 23 is a plurality of fixed holes arranged in a left and right interval.

[0043] The first module 30 is arranged on the shell 10, the second module 40 and the third module 50 are both arranged at the rear end of the upper surface of the PCB 20 and are both welded with the corresponding first contact part 21, and the fourth module 60 is arranged at the rear end of the lower surface of the PCB 20 and is welded with the corresponding first contact part 21; specifically, the first module 30 comprises a first seat body 31 and a plurality of first terminals 32, the first seat body 31 extends out of the shell 10, and the plurality of first terminals 32 are all arranged on the surface of the first seat body 31, each first terminal 32 comprises a second contact part 321 and a first welding part 322 which are integrally connected, the second contact part 311 is exposed on the surface of the first seat body 31, and the first welding part 312 extends out of the shell 10; the second module 40 and the third module 50 are respectively located on the two sides of the first module 30, the second module 40 comprises a second seat body 41 and a plurality of second terminals 42, the second seat body 41 is arranged at the rear end of the upper surface of the PCB 20, and the plurality of second terminals 42 are all arranged on the second seat body 41, each second terminal 42 comprises a third contact part 421 and a second welding part 422 which are integrally connected, the third contact part 421 is welded with the corresponding first contact part 21, and the second welding part 422 extends out of the shell 10; the third module 50 comprises a third seat body 51 and a plurality of third terminals 52, the third seat body 51 is arranged at the rear end of the upper surface of the PCB 20, and the plurality of third terminals 52 are all arranged on the third seat body 51, each third terminal 52 comprises a fourth contact part 521 and a third welding part 522 which are integrally connected, the fourth contact part 521 is welded with the corresponding first contact part 21, and the third welding part 522 extends out of the shell 10; the fourth module 60 comprises a fourth seat body 61 and a plurality of fourth terminals 62, the fourth seat body 61 is arranged at the rear end of the lower surface of the PCB 20, and the plurality of fourth terminals 62 are all arranged on the fourth seat body 61, each fourth terminal 62 comprises a fifth contact part 621 and a fourth welding part 622 which are integrally connected, the fifth contact part 621 is welded with the corresponding first contact part 21, and the fourth welding part 622 extends out of the shell 10; in this embodiment, the first welding part 322, the second welding part 422, the third welding part 522 and the fourth welding part 622 all extend out of the shell 10, so as to be welded with the external control panel; and the second module 40 is provided with a first fixing column 43, the third module 50 is provided with a second fixing column 53, the fourth module 60 is provided with a third fixing column 63, the first fixing column 43, the second fixing column 53 and the third fixing column 63 are inserted into the corresponding fixing holes 23 to be fixed, so that the second module 40, the third module 50 and the fourth module 60 are more firmly assembled with the PCB 20.

[0044] The preparation process of this embodiment is as follows:

[0045] First, the plurality of terminals are first stamped and formed, and then the plurality of terminals are respectively placed in different injection molds to form the second module 40, the third module 50 and the fourth module 60 by injection molding, then the second module 40, the third module 50 and the fourth module 60 are buckled and fixed on the PCB 20, the first fixing column 43, the second fixing column 53 and the third fixing column 63 are inserted into the corresponding fixing holes 23 to be fixed, and the third contact part 421, the fourth contact part 521 and the fifth contact part 621 are all welded with the corresponding first contact part 21 in conduction, then they are placed in the corresponding injection mold, and the shell 10 is formed by injection molding again, finally, the first terminal 32 is inserted into the first seat body 31 to be fixed.

[0046] The utility model discloses a design emphasis lies in: through the selection PCB board replaces traditional tongue board structure, and set up the PCB board in the interposition cavity, and the two surfaces of PCB board all are provided with a plurality of first contact part, again cooperate with the PCB board in and set up a plurality of metal layers for transmission electric signal, and the metal layer of multilayer is arranged in the interval, and the design of multilayer metal layer can provide more stable, more strong high frequency transmission capacity for connector, to meet the product demand accordingly.

[0047] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification according to the technical essence of the utility model to the above embodiment still belong to the range of the technical scheme of the utility model.

Claims

1. A high speed connector for a hard disk drive, characterized by: The application relates to a shell, a PCB board, a first module, a second module, a third module and a fourth module; the shell has an insertion cavity with an opening facing forward; the PCB board is arranged in the insertion cavity, and both surfaces of the PCB board are provided with a plurality of first contact parts; a plurality of metal layers for transmitting electric signals are arranged in the PCB board and are arranged in an upper and lower interval mode; the first module is arranged on the shell; the second module and the third module are arranged at the rear end of the upper surface of the PCB board and are welded in conduction with corresponding first contact parts; and the fourth module is arranged at the rear end of the lower surface of the PCB board and is welded in conduction with corresponding first contact parts.

2. The high-speed connector for a hard disk drive according to claim 1, wherein: The first module comprises a first seat body and a plurality of first terminals; the first seat body extends out of the shell; the plurality of first terminals are arranged on the surface of the first seat body; each first terminal comprises a second contact part and a first welding part which are integrally connected; the second contact part is exposed on the surface of the first seat body; and the first welding part extends out of the shell.

3. The high-speed connector for a hard disk drive as claimed in claim 2, wherein: The second module and the third module are arranged on the two sides of the first module; the second module comprises a second seat body and a plurality of second terminals; the second seat body is arranged at the rear end of the upper surface of the PCB board; the plurality of second terminals are arranged on the second seat body; each second terminal comprises a third contact part and a second welding part which are integrally connected; the third contact part is welded in conduction with a corresponding first contact part; and the second welding part extends out of the shell; the third module comprises a third seat body and a plurality of third terminals; the third seat body is arranged at the rear end of the upper surface of the PCB board; the plurality of third terminals are arranged on the third seat body; each third terminal comprises a fourth contact part and a third welding part which are integrally connected; the fourth contact part is welded in conduction with a corresponding first contact part; and the third welding part extends out of the shell.

4. The high-speed connector for a hard disk drive according to claim 3, wherein: The fourth module comprises a fourth seat body and a plurality of fourth terminals; the fourth seat body is arranged at the rear end of the lower surface of the PCB board; the plurality of fourth terminals are arranged on the fourth seat body; each fourth terminal comprises a fifth contact part and a fourth welding part which are integrally connected; the fifth contact part is welded in conduction with a corresponding first contact part; and the fourth welding part extends out of the shell.

5. The high speed connector for a hard disk drive as set forth in claim 4, wherein: The first welding part, the second welding part, the third welding part and the fourth welding part all extend out of the shell.

6. The high speed connector for a hard disk drive as set forth in claim 1, wherein: The rear end of the PCB board is provided with a through fixing hole; the fixing hole is a plurality of holes arranged in an interval mode from left to right; the second module is provided with a first fixing column; the third module is provided with a second fixing column; the fourth module is provided with a third fixing column; and the first fixing column, the second fixing column and the third fixing column are inserted into corresponding fixing holes for fixation.

7. The high speed connector for a hard disk drive as set forth in claim 1, wherein: The bottom surface of the shell extends downwardly and is provided with a positioning column.

8. The high speed connector for a hard disk drive as set forth in claim 1, wherein: The two sides of the shell are provided with grooves; the grooves are provided with fixing members; and the fixing legs of the fixing members extend out of the grooves.

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