CN209526229U - A kind of double contact High speed rear panel connectors of low crosstalk - Google Patents

Abstract

The utility model discloses a kind of double contact High speed rear panel connectors of low crosstalk, including plastic casing, arranges in plastic casing inserted with grounding pin and signal pin, connect and form the ripple peak that several curved surfaces arch upward in female end；It is symmetrically arranged on each fixed block there are two main flake eye-splice, each main flake eye-splice side is respectively arranged with a division flake eye-splice, divides flake eye-splice by middle part and is bent to form the first sticking part and the second sticking part；It is connected between first sticking part and corresponding main flake eye-splice by compressed spring, the second sticking part is far from one end insertion sliding slot of the first sticking part；The utility model is additionally arranged the flake eye-splice of division fitting in each flake eye-splice, greatly reduces interfering with each other between signal；The ripple peak to be arched upward by several curved surfaces that ripple struction is formed forms many places with external connection male end and is bonded contact point, is formed by connection antenna after greatly shortening connection female end and external connection male end interworking, radiation reduces.

Description

A kind of double contact High speed rear panel connectors of low crosstalk

Technical field

The utility model relates to mechanics of communication related fields, the double contact High speed rear panel connectors of specially a kind of low crosstalk.

Background technique

Back panel connector (backplane connector) is large-scale communication apparatus, very-high performance server and huge meter The common a kind of connector of calculation machine, industrial computer, high-end storage equipment, main function is connecting single board (daughter Card it) is transmitted high-speed differential signal (differencial signal) with backboard in 90 degree of vertical structures between veneer and backboard Or single-ended signal (single end signal) and transmitting high current.

Due to itself having many routes inside pcb board, in back panel connector test process, the flake of back panel connector After structure is pressed into pcb board, back panel connector is pressed between the high-frequency signal of the part (referred to as back panel connector root) of pcb board Interference it is more serious than other parts, existing single grounding pin end construction and arrangement mode cannot reduce dry well It disturbs；It is formed by after connector and external male terminal interworking simultaneously and connect that antenna is long, and radiation is bigger, and crosstalk is tighter Weight.

Utility model content

The purpose of this utility model is to provide a kind of double contact High speed rear panel connectors of low crosstalk, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of double contact High speed rear panels companies of low crosstalk Device, including plastic casing are connect, is arranged in uniform array inserted with several grounding pins and several signals in the plastic casing Needle is provided with one group of signal pin, the one end of the grounding pin and signal pin far from plastic casing between grounding pin described in every two It is respectively arranged with connection female end, the connection female end is continuous serpentine ripple struction, forms several in the connection female end The ripple peak that curved surface arches upward；

The grounding pin insertion intracorporal one end of plastic casing is connected with fixed block, respectively symmetrically sets on each fixed block Main flake eye-splice there are two setting, each main flake eye-splice side is respectively arranged with a division flake eye-splice, the division Flake eye-splice is bent to form the first sticking part and the second sticking part by middle part；

First sticking part be arranged in division the one end of flake eye-splice far from fixed block, first sticking part with it is corresponding Main flake eye-splice between by compressed spring connect, and it is parallel with corresponding main flake eye-splice be bonded, second sticking part It is tilted to the direction of the main flake eye-splice far from place, corresponding second sticking part position is provided with out on the fixed block The sliding slot of mouth, second sticking part is far from one end insertion sliding slot of the first sticking part.

Preferably, the symmetrical twisted tilted setting of two grounding pins is in signal pin two sides, and grounding pin and signal pin it Between angle be 135 degree.

Preferably, between first sticking part and the second sticking part in obtuse angle, main fish of the opening direction back to place Eye eye-splice end.

Preferably, the compressed spring both ends are separately fixed inside corresponding first sticking part and main flake eye-splice.

Preferably, the compressed spring is made of shielding Metal wire material.

Compared with prior art, the utility model has the beneficial effects that

1. the utility model in grounding pin twisted arrangement on the basis of signal pin two sides, its formed excess room It is interior, the flake eye-splice of division fitting is additionally arranged in each flake eye-splice, so that being located at the back panel connector root inside pcb board Possess the shielding between more grounding pin connecting pins progress signals between the signal pin and signal pin at place, greatly reduces signal Between interfere with each other.

2. the connection female end of grounding pin and signal pin is set continuous serpentine ripple struction by the utility model, pass through The ripple peak that several curved surfaces that ripple struction is formed arch upward forms many places with external connection male end and is bonded contact point, greatly shortens Connection antenna is formed by after connection female end and external connection male end interworking, radiation reduces, crosstalk reduction.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the concrete structure schematic diagram of the grounding pin of the utility model；

Fig. 3 is the attachment structure schematic diagram that the main flake eye-splice of the utility model is bonded with division flake eye-splice；

Fig. 4 is the main flake eye-splice of the utility model and the attachment structure schematic diagram that division flake eye-splice is opened；

Fig. 5 is the structural schematic diagram of the sliding slot on the fixed block of the utility model；

Fig. 6 is the concrete structure schematic diagram of the connection female end of the utility model.

In figure: 1, plastic casing；2, grounding pin；21, female end is connected；211, ripple peak；22, fixed block；221, sliding slot； 23, main flake eye-splice；24, flake eye-splice is divided；241, the first sticking part；242, the second sticking part；243, compressed spring；3, Signal pin.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal" Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation Make, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of double contact High speed rear panel connections of low crosstalk Device, including plastic casing 1, the plastic casing 1 is interior to arrange in uniform array inserted with several grounding pins 2 and several signals Needle 3 is provided with one group of signal pin 3 between grounding pin 2 described in every two, and the grounding pin 2 and signal pin 3 are far from plastic casing 1 One end be respectively arranged with connection female end 21, the connection female end 21 be continuous serpentine ripple struction, the connection female end 21 The upper ripple peak 211 for forming several curved surfaces and arching upward；

One end that the grounding pin 2 is inserted into plastic casing 1 is connected with fixed block 22, distinguishes on each fixed block 22 Main flake eye-splice 23 there are two being symmetrical arranged, each main 23 side of flake eye-splice is respectively arranged with a division flake eye-splice 24, the division flake eye-splice 24 is bent to form the first sticking part 241 and the second sticking part 242 by middle part；

The division one end of flake eye-splice 24 far from fixed block 22, first fitting is arranged in first sticking part 241 Connected between portion 241 and corresponding main flake eye-splice 23 by compressed spring 243, and with corresponding main flake eye-splice 23 is parallel pastes It closes, second sticking part 242 is tilted to the direction of the main flake eye-splice 23 far from place, corresponding second on the fixed block 22 242 position of sticking part is provided with the sliding slot 221 of opening, second sticking part 242 far from the first sticking part 241 one In end insertion sliding slot 221.

Preferably, two grounding pins 2 are symmetrically twisted tilted is arranged in 3 two sides of signal pin, and grounding pin 2 and signal pin Angle between 3 is 135 degree.

Preferably, between first sticking part 241 and the second sticking part 242 in obtuse angle, opening direction is back to place Main 23 end of flake eye-splice.

Preferably, 243 both ends of compressed spring are separately fixed at corresponding first sticking part 241 and main flake eye-splice 23 It is internal.

Preferably, the compressed spring 243 is made of shielding Metal wire material.

Working principle: two grounding pins 2 are symmetrically twisted tilted to be arranged in 3 two sides of signal pin, and grounding pin 2 and signal Angle between needle 3 is 135 degree, and such arrangement mode makes 2 root of grounding pin have more than needed on back panel connector more spaces； When 2 one end of grounding pin is inserted into pcb board, the first sticking part 241 of main flake eye-splice 23 and division flake eye-splice 24 is compressing bullet It is bonded, is formed in the through-hole for the insertion end insertion pcb board that closure is affixed, in the process being gradually inserted in parallel under the action of spring 243 In, the through-hole of pcb board squeezes inclined second sticking part 242, so that the second sticking part 242 is along the chute 221 to main fish The sliding of eye 23 direction of eye-splice, until being bonded with main flake eye-splice 23, the first sticking part 241 is separated with main flake eye-splice 23 at this time, Compressed spring 243 is stretched, and inside pcb board, each main flake eye-splice 23 is separated to form a division flake eye-splice 24, makes It obtains and possesses more connections of grounding pins 2 between signal pin 3 and signal pin 3 at the back panel connector root being located inside pcb board End carries out the shielding between signal, and compressed spring 243 is made of shielding Metal wire material, greatly reduces the phase between signal Mutually interference.The connection female end 21 is continuous serpentine ripple struction, forms several curved surfaces in the connection female end 21 and arches upward Ripple peak 211, ripple peak 211 and external connection male end form many places and be bonded contact point, greatly shorten connection female end 21 with outside It is formed by connection antenna after portion's connection male end interworking, radiation reduces, crosstalk reduction.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of double contact High speed rear panel connectors of low crosstalk, which is characterized in that including plastic casing (1), the plastic casing (1) in uniform array arrangement inserted with several grounding pins (2) and several signal pins (3) in, grounding pin (2) described in every two Between be provided with one group of signal pin (3), the grounding pin (2) and signal pin (3) are respectively set far from the one end of plastic casing (1) Have connection female end (21), the connection female end (21) be continuous serpentine ripple struction, the connection female end (21) if on formation The ripple peak (211) that dry curved surface arches upward；

One end in grounding pin (2) insertion plastic casing (1) is connected with fixed block (22), on each fixed block (22) Main flake eye-splice (23) there are two being symmetrically arranged, each main flake eye-splice (23) side is respectively arranged with a division Flake eye-splice (24), the division flake eye-splice (24) are bent to form the first sticking part (241) and the second sticking part by middle part (242)；

First sticking part (241) setting is in the one end of division flake eye-splice (24) far from fixed block (22), first patch Between conjunction portion (241) and corresponding main flake eye-splice (23) by compressed spring (243) connect, and with corresponding main flake eye-splice (23) parallel fitting, second sticking part (242) tilt to the direction of the main flake eye-splice (23) far from place, the fixation Corresponding second sticking part (242) position is provided with the sliding slot (221) of opening, second sticking part on block (22) (242) in one end insertion sliding slot (221) far from the first sticking part (241).

2. a kind of double contact High speed rear panel connectors of low crosstalk according to claim 1, it is characterised in that: connect described in two The symmetrical twisted tilted setting of ground needle (2) is in signal pin (3) two sides, and the angle between grounding pin (2) and signal pin (3) is 135 Degree.

3. a kind of double contact High speed rear panel connectors of low crosstalk according to claim 1, it is characterised in that: first patch Between conjunction portion (241) and the second sticking part (242) in obtuse angle, the main flake eye-splice (23) at opening direction back to place is held.

4. a kind of double contact High speed rear panel connectors of low crosstalk according to claim 1, it is characterised in that: the compression bullet Spring (243) both ends are separately fixed at corresponding first sticking part (241) and main flake eye-splice (23) is internal.

5. a kind of double contact High speed rear panel connectors of low crosstalk according to claim 1, it is characterised in that: the compression bullet Spring (243) is made of shielding Metal wire material.