The double female connectors of compression joint type
Technical field:
The utility model relates to the connector technique field, relates in particular to the double female connectors of compression joint type.
Background technology:
Connector is the Connection Element that is used on power supply and the electronic signal, and it produces by mechanical means and electrically connects.Connector extensively applies to fields such as various electronic equipments, communication apparatus, instrument and meter, intelligent program-controlled equipment, lighting apparatus, warning device, household electrical appliance and various power supply products, comprise display, computer main board, stored-program control exchange, digital camera, MP4, various mobile storage disc, cordless telephone, intercom, mobile phone, digital household appliances and electronic toy etc., electrically connect reliably for various products provide accurate.
Connector is divided into by purposes: one, and concentric connector, connector is a kind of small-sized connector assembly formula connector with one heart, its volume is little and have the function of switch concurrently, is applicable to low-frequency channel, is used in the wiring of earphone, microphone and external power supply more; Two, the strip columnwise connector, the number of the lead-in wire of strip columnwise connector is generally below the dozens of, is applicable to that printed circuit board is connected with the circuit of device in the equipment; Three, tape cable connector, the socket of tape cable connector directly are welded on the printed circuit board, and plug and flat cable adopt the puncture crimping, can once finish, and contact is reliable, and is easy to use, is applicable to the connection of instrument and meter circuit; Four, cylindrical connector, cylindrical connector have little, the high reliability features of volume, can satisfy the needs that cable connects between the electronic equipment; Five, rectangular connector, rectangular connector generally are provided with locking device, are mainly used in being electrically connected of electronic equipment, intelligent instrumentation and control electronics; Six, the water pressure resistance hermetically sealed connector, this connector mostly is cylindrical connector, the circuit connection that is applicable in the water or works under the severe environmental conditions; Seven, radio frequency (RF) coaxial connector, radio frequency (RF) coaxial connector have characteristics such as volume is little, in light weight, easy to use, are useful in to connect radio frequency cable in the high-frequency circuit of wireless device and electronic instrument and use.
Existing a kind of double female connectors that is used for printed circuit board (pcb board), it comprises plastic body and the plurality of rows pin that is installed on the plastic body, row's pin comprises the welding ends that is built in the contact jaw in the plastic body and passes plastic body, be thermal weld between the welding ends of row's pin and the pcb board interface, there is following problem in this connected mode: one, welding temperature height, the performance requirement of the plastic material of docking port own is higher, has increased cost; Two, high-temperature soldering is very big to the pcb board infringement, and stability is low, influences useful life; Three, repair demolition inconvenience; Four, power consumption and not environmental protection.
The utility model content:
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of compression joint type double female connectors, and this connector can reduce cost, and prolongs pcb board useful life, and repair demolition is convenient, and energy-conserving and environment-protective.
For achieving the above object, the utility model is achieved through the following technical solutions: the double female connectors of compression joint type, it comprises plastic body and the plurality of rows pin that is installed on the plastic body, row's pin comprises the contact jaw that is built in the plastic body, row's pin also comprises the inserted terminal that connects as one with contact jaw, the inserted terminal of row's pin and the link position of contact jaw are provided with center of circle screens, and the maximum cross section width of center of circle screens is greater than the maximum cross section width of inserted terminal; Screens of the described center of circle and inserted terminal pass plastic body.
The screens of the described center of circle offers the distortion hole.
The equal ovalize of screens of the described center of circle and distortion hole.
Described plastic body comprises folded long plastic body and short plastic body, long plastic body and the short plastic body integrated injection molding that is located at together.
Be equiped with on the described long plastic body and be arranged in double row's pin, be equiped with on the short plastic body and be arranged in double row's pin.
Row's pin quantity on the described long plastic body is 64, each 32 rows of every row pin; Row's pin quantity on the described short plastic body is 40, each 20 rows of every row pin.
On the described long plastic body on double row's pin and the short plastic body row's centreline spacing PH of double row's pin be 2.54 ± 0.10mm.
The height H of described long plastic body and short plastic body is 11.00 ± 0.15mm.
The length C L of described long plastic body is 82.38 ± 0.30mm; The length DL of described short plastic body is 51.90 ± 0.30mm.
The overall width W of described long plastic body and short plastic body is 9.98 ± 0.15mm.
The utility model beneficial effect is: the double female connectors of compression joint type described in the utility model, its row's pin comprises the inserted terminal that connects as one with contact jaw, the inserted terminal of row's pin and the link position of contact jaw are provided with center of circle screens, the maximum cross section width of center of circle screens is greater than the maximum cross section width of inserted terminal, and center of circle screens and inserted terminal pass plastic body; When the inserted terminal of the double female connectors of this compression joint type inserts position, pcb board hole, the center of circle screens of row's pin can directly be pressed in the position, pcb board hole, with the steady and difficult drop-off of the double female connectors card of this compression joint type, and can remove and install repeatedly, convenient for maintaining and replacing, therefore, the utlity model has and to reduce cost, prolong pcb board useful life, repair demolition is convenient, and the advantage of energy-conserving and environment-protective.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a vertical view of the present utility model;
Fig. 3 is a right view of the present utility model;
Fig. 4 is the structural representation of the utility model row pin.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figures 1 to 4, the double female connectors of compression joint type, it comprises plastic body 1 and the plurality of rows pin 4 that is installed on the plastic body, row's pin 4 comprises the contact jaw 41 that is built in the plastic body 1, row's pin 4 also comprises the inserted terminal 43 that connects as one with contact jaw 41, the inserted terminal 43 of row's pin 4 and the link position of contact jaw 41 are provided with center of circle screens 42, and the maximum cross section width of center of circle screens 42 is greater than the maximum cross section width of inserted terminal 43; Described center of circle screens 42 and inserted terminal 43 pass plastic body 1.
Described center of circle screens 42 offers distortion hole 44.When center of circle screens 42 was pressed into position, pcb board hole, center of circle screens 42 produced crimp, and distortion hole 44 provides deformation space for the distortion of center of circle screens 42, avoids damaging position, pcb board hole by pressure because of the extruding of center of circle screens 42.In the present embodiment, described center of circle screens 42 and distortion hole 44 equal ovalizes.
In the present embodiment, the plastic body 1 of the double female connectors of above-mentioned compression joint type comprises folded long plastic body 2 and short plastic body 3, long plastic body 2 and short plastic body 3 integrated injection moldings that are located at together.Be equiped with on the long plastic body 2 and be arranged in double row's pin 4, be equiped with on the short plastic body 3 and be arranged in double row's pin 4.Row's pin 4 quantity on the described long plastic body 2 are 64, each 32 rows of every row pin 4; Row's pin 4 quantity on the described short plastic body 3 are 40, each 20 rows of every row pin 4.On the described long plastic body 2 on double row's pin 4 and the short plastic body 3 row's centreline spacing PH of double row's pin 4 be 2.54 ± 0.10mm.
In the present embodiment, the height H of described long plastic body 2 and short plastic body 3 is 11.00 ± 0.15mm; The length C L of long plastic body 2 is 82.38 ± 0.30mm; The length DL of described short plastic body 3 is 51.90 ± 0.30mm; The overall width W of long plastic body 2 and short plastic body 3 is 9.98 ± 0.15mm.Therefore, the utility model also has the little advantage of volume.
When the inserted terminal 43 of the double female connectors of above-mentioned compression joint type was inserted positions, pcb board hole, the center of circle screens 42 of row's pin 4 can directly be pressed in the position, pcb board hole, with the steady and difficult drop-off of the double female connectors card of this compression joint type, adopt this compression joint type structure, can dismantle repeatedly and install this connector, convenient for maintaining and replacing, therefore, the utlity model has and to reduce cost, harmless to pcb board, can prolong pcb board useful life, repair demolition is convenient, conveniently replaced row's pin 4, and the advantage of energy-conserving and environment-protective.In the present embodiment, the operating temperature range of the double female connectors of this compression joint type is-55 ℃~+ 105 ℃, and insulation impedance is 1000M Ω Min, and contact impedance is 30M Ω Max, and proof voltage is 1000V AC/DC, and rated current is 2.0AMP, and specification is 2 * 32P+2 * 20P.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.