CN215183146U - MINI SAS server machine case hard disk back plate wire rod - Google Patents

Abstract

The utility model discloses a MINI SAS server machine case hard disk back plate wire rod, including cable body and the connector PCB board of connection at cable body both ends, the cable body is flat ribbon structure, including a plurality of parallels sinle silk of arranging side by side, each the sinle silk has all wrapped up the shielding layer outward, each the sinle silk both ends all are equipped with connects the contact pilotage, and are a plurality of connect the contact pilotage all with connector PCB board electricity is connected. The utility model discloses a parallel the arranging of the inside sinle silk of cable body side by side, make the cable body be flat band structure, reduced the volume of SAS connector to increased its bending degree, be convenient for use in the narrow and small space of case. Meanwhile, the shielding layer is wrapped outside the wire cores, so that the electronic interference between the adjacent wire cores can be reduced through the shielding layer, and the transmission rate of data is ensured.

Description

MINI SAS server machine case hard disk back plate wire rod

Technical Field

The utility model relates to a MINI SAS server machine case hard disk back plate wire rod technical field especially relates to a MINI SAS server machine case hard disk back plate wire rod.

Background

The disk medium is the most critical device in the storage field, all data and information are stored on the disk medium, and the reading speed of the data is determined by the connection interface of the disk medium. Generally, data storage work is completed through a SCSI or SATA interface and a hard disk, but with the development of technology, a SAS interface combining the advantages of the SCSI and the SATA is widely used; the SAS interface uses thinner cables to match with smaller connectors, so that the space of a server or storage equipment is saved, and the heat dissipation and ventilation capacity of the SAS hard disk server is improved.

With the birth of the SAS interface, an SAS connecting line for connecting with the SAS interface is generated; currently, an SAS connection wire in the prior art generally consists of a plurality of cables arranged in a double-layer manner, and a shielding layer and an insulating layer are wrapped outside each cable, so that the processing process is complex, and the volume of the cable is increased; meanwhile, cables arranged in a double-layer structure in the prior art are connected with end faces of two sides of a connector PCB, so that the space required for connecting the main board and the hard disk backboard is increased, and the main board and the hard disk backboard are difficult to bend and connect at will inside a case with a narrow space.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem among the prior art, the utility model provides a MINI SAS server machine case hard disk backplate wire rod has reduced the manufacturing cost of wire rod to simplify its processing technology, reduced the space that mainboard and hard disk backplate are connected simultaneously, be convenient for use in the narrow and small space of machine case.

The utility model provides a scheme that its technical problem took is: the utility model provides a MINI SAS server machine case hard disk back plate wire rod, includes cable body and connects the connector PCB board at cable body both ends, cable body both ends all with connector PCB board single face welding, the cable body includes a plurality of parallel coaxial sinle silk of arranging side by side, a plurality of group coaxial sinle silk outside shaping rubber coating.

Furthermore, a plurality of groups of coaxial wire cores are arranged in an equiaxial, equal-width and equidistant structure.

Furthermore, a shielding layer is wrapped outside each coaxial wire core.

Further, the shielding layer is an aluminum foil layer or a copper foil layer.

Further, coaxial sinle silk both ends all are equipped with the connection contact pilotage, and are a plurality of connect the contact pilotage all with connector PCB board one side terminal surface is connected.

Further, connect the contact pilotage and include the extension arm and locate the terminal connecting portion of extension arm, connecting portion weld on connector PCB board terminal surface, the extension arm is pasted at connector PCB board terminal surface through glue.

Furthermore, the cross section of the connecting part is of an L-shaped structure and comprises a vertical end and a horizontal end, the vertical end is connected with the extension arm, and the horizontal end and the extension arm form a height difference.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a parallel the arranging of the inside coaxial sinle silk of cable body to at its outside shaping rubber coating, make the cable body be flat band structure, when having reduced the wire rod volume, simplify the finished product technology of wire rod and reduced manufacturing cost. And the degree of bending thereof is increased,

2. the utility model discloses a cable body both ends all with the single face welding of connector PCB board, reduced the space that mainboard and hard disk backplate are connected, make this wire rod be convenient for use in the narrow and small space of quick-witted case.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a cross-sectional view of the cable body according to the present embodiment;

fig. 3 is an enlarged view of the connection of the contact pins with the connector PCB of the present embodiment.

In the figure: 1. a cable body; 11. a coaxial wire core; 111. a shielding layer; 12. an insulating layer; 2. Connecting a PCB (printed circuit board); 21. mounting holes; 3. connecting contact pins; 31. an extension arm; 32. a connecting portion; 321. a vertical end; 322. a horizontal end.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following description of the present invention is provided in connection with the accompanying drawings.

It should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein are used in the orientation or positional relationship indicated in the drawings for the convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

With reference to fig. 1 to 3, a MINI SAS server chassis hard disk backplane wire rod includes a cable body 1 and a connector PCB 2 connected to two ends of the cable body 1, wherein the cable body 1 in this embodiment includes a plurality of coaxial cable cores 11 arranged in parallel, and the cable body 1 formed by the coaxial cable cores of this embodiment is in a flat ribbon structure by arranging the plurality of coaxial cable cores 11 in parallel in an equiaxed, equi-wide, and equidistant structure, compared with the prior art, the volume of the wire rod is reduced, the bending degree of the wire rod is greatly improved, the wire rod can be bent and wound in a narrow and small chassis at will, and the structure is beautiful; meanwhile, the forming process of the wire rod is simplified by forming and encapsulating the outer part of the arranged groups of coaxial wire cores, the production cost is effectively reduced, and the service life of the embodiment is obviously prolonged;

as shown in fig. 1 and 3, two ends of the cable body of the present embodiment are both single-side welded to the PCB of the connector, so that the space required for connecting the main board and the hard disk backplane can be reduced, and the wire of the present embodiment can be conveniently used in a narrow space of the enclosure.

In the embodiment, the two ends of the coaxial wire core 11 are respectively extended outwards to form the connecting contact pins 3, so that the cable body 1 can be electrically connected with the connector PCB board 2 through the connecting contact pins 3 of the coaxial wire core 11 to realize data transmission; moreover, each coaxial cable core 11 of the present embodiment is wrapped by a shielding layer 111, so that adjacent coaxial cable cores 11 of the present embodiment can be separated by the shielding layer 111, which can prevent external electromagnetic waves from interfering with signal transmission, and at the same time, electronic interference between adjacent coaxial cable cores 11 can be reduced by the shielding layer 111, thereby ensuring the data transmission rate; the shielding layer 111 may be an aluminum foil layer or a copper foil layer, the shielding layer 111 in this embodiment is an aluminum foil layer, and the aluminum foil has the functions of anti-electromagnetic interference and anti-signal attenuation, and has a lower cost, so that the anti-interference capability of this embodiment can be effectively improved, and the loss can be reduced.

As shown in fig. 1 and 3, the connection contact pins 3 of the present embodiment are electrically connected to one side end surface of the connector PCB board 2, so that the arrangement is simple and the volume of the SAS connector can be reduced; the connecting contact pin 3 is welded on the end face of one side of the connector PCB 2, so that the volume of the joint of the cable body 1 and the connector PCB 2 is reduced, the space required by the connection of the main board and the hard disk back board is further reduced, and the hard disk back board is convenient to install and use in a case; simultaneously, still the symmetry is equipped with mounting hole 21 on the 2 terminal surfaces of connector PCB board of this embodiment, and accessible mounting hole 21 is according to the protective housing of stamping to connector PCB board 2 and cable body 1's junction protect.

As shown in fig. 3, connect contact pin 3 and include extension arm 31 and locate the terminal connecting portion 32 of extension arm 31, this embodiment welds through setting up connecting portion 32 and connector PCB board 2 and realizes data transmission, simultaneously through setting up extension arm 31, and paste extension arm 31 on connector PCB board 2 terminal surface through glue, make this embodiment can reduce the elasticity that receives with connector PCB board 2 welded connecting portion 32 through extension arm 31, prevent that the connector from springing up under the effect of force and leading to the rosin joint, can improve the welding effect of PCB board and coaxial core 11, when improving this embodiment life, guarantee the normal transmission of data.

The connecting portion 32 cross-section of this embodiment is "L" shape structure, including vertical end 321 and horizontal end 322, wherein, vertical end 321 is connected at extension arm 31 end, horizontal end 322 then welds with connector PCB board 2, make horizontal end 322 and extension arm 31 form the difference in height, when making extension arm 31 paste on connector PCB board 2 terminal surface through glue, the horizontal end 322 of connecting portion 32 can be compressed tightly in the welding department that woods connect the PCB board, and then can prevent the occurence of events such as rosin joint or desolder, and simultaneously, can make connector PCB board 2's protective housing installation back, be convenient for the protective housing compress tightly on the terminal surface of horizontal end 322, make the welding of connecting contact needle 3 and connector PCB board 2 obtain further fixed.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and modifications made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (7)

1. The utility model provides a MINISAS server machine case hard disk back plate wire rod, includes the cable body and connects the connector PCB board at cable body both ends, its characterized in that: the cable body comprises a plurality of parallel coaxial cable cores arranged side by side and a plurality of groups of coaxial cable cores are coated with rubber in an external forming mode.

2. The MINISAS server chassis hard disk backplane wire of claim 1, wherein: the coaxial cable cores are arranged in an equiaxial, equal-width and equidistant structure.

3. The MINISAS server chassis hard disk backplane wire of claim 2, wherein: and a shielding layer is wrapped outside each coaxial wire core.

4. The MINISAS server chassis hard disk backplane wire of claim 3, wherein: the shielding layer is an aluminum foil layer or a copper foil layer.

5. The MINISAS server chassis hard disk backplane wire of claim 2, wherein: coaxial sinle silk both ends all are equipped with the connection contact pilotage, and are a plurality of connect the contact pilotage all with connector PCB board one side terminal surface is connected.

6. The MINISAS server chassis hard disk backplane wire of claim 5, wherein: connect the contact pilotage and include the extension arm and locate the terminal connecting portion of extension arm, connecting portion weld on connector PCB board terminal surface, the extension arm passes through glue and pastes at connector PCB board terminal surface.

7. The MINISAS server chassis hard disk backplane wire of claim 6, wherein: the cross section of the connecting part is of an L-shaped structure and comprises a vertical end and a horizontal end, the vertical end is connected with the extension arm, and the horizontal end and the extension arm form a height difference.

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