CN2283933Y - Electrical connector with heat dissipation housing - Google Patents

Abstract

An electric connector with heat radiating shell is prepared as setting a containing chamber for positioning terminal and containing printed circuit board at one side of insulation body, setting terminal positioning chamber at another side, setting multiple terminal jack through said containing chamber and terminal positioning chamber to contain said conductive terminal, setting multiple circuit and electric element connected to said conductive terminal on said printed circuit board and covering cover plate on said circuit board.

Description

Electric connector with radiating shell

The utility model relates to a kind of electrical connection and connects device, when referring in particular to printed circuit board (PCB) energising work, and the electric connector that can effectively heat be discharged with radiating shell.

Computer and ancillary equipment product thereof are updated, and except having functions such as voice, image, 3-D cartoon simultaneously, also develop towards the compact direction that is easy to carry about with one.For complying with this development trend, for the connector that has turn-on power and signal serial connection function in the computer, corresponding matching design need be arranged.With SCSI (small computersystem interface) the control interface card of framework on bus-bar, be to use and design at archives server and signal collection that High Speed I/O requires; Can provide bus-bar to be connected with high efficiency between ancillary equipment such as jukebox, CD player, magnetic tape station, the sort signal transmission speed often can be up to 20～30M/Sec, motion to high speed like this, computer system can produce a large amount of heat energy, therefore, need in the confined space, not only provide effective conducting to connect, and the equipment and the measure that need have heat-sinking capability.

Electric connector of the prior art directly will be controlled interface card-miniature printed circuit board, and with glued membrane perfusion encapsulation, the mat conducting terminal is done with bus-bar and is electrically connected again; This encapsulating process can produce following shortcoming: at first, the necessary high speed injection molding of encapsulating, this will make printed circuit board (PCB) be subjected to enormous impact, in a single day therefore precision element on the plate face very easily damages, and impaired, has both made damage atomic, also can't remedy, cause serious waste; Secondly, the device of this intensity, extremely difficult heat radiation, the heat that high-power components produced on the circuit board, only take out of by the heat exchange pattern (Heat Conduction) of insulation glued membrane, required plate face is very big, and therefore such device will occupy some exceptional spaces.

The purpose of this utility model is, provides a kind of and avoids moulding to impact, reduce fraction defective, assemble easily and the good electric connector of radiating effect.

The purpose of this utility model is to realize like this, a kind of electric connector with radiating shell promptly is provided, comprise insulating body, cover plate, circuit board and one group of conducting terminal, one side of this insulating body is provided with the room that supplies terminal position and accommodate printed circuit board (PCB), and its relative side is the terminal position chamber; The several terminals jack runs through this room and terminal position chamber, accommodates this conducting terminal, has circuit and electric elements that several are connected with this conducting terminal on this printed circuit board (PCB), and cover plate covers thereon.

The advantage of the utility model device is that its assembling engages conveniently compact conformation, good heat dissipation effect easily.

Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:

Fig. 1 is the electric connector three-dimensional exploded view that the utlity model has radiating shell;

Fig. 2 is the stereogram of insulating body in the utility model radiating shell;

Fig. 3 is that the electric connector that the utlity model has radiating shell is bonded on the conducting terminal on the insulating body and the three-dimensional exploded view of printed circuit board (PCB) and bus-bar.

See also Fig. 1, the electric connector that the utlity model has radiating shell comprises: insulating body 10, insulation cover plate 30, insulation inner housing 40, plurality of conductive terminals 50 and insulation guide plate 60.Wherein, one side of this insulating body 10 is provided with room 11, be used to accommodate above-mentioned conducting terminal 50 and be welded on (not shown) on the printed circuit board (PCB) on this conducting terminal 50, these room 11 bottoms are provided with plurality of terminals jack 12, can wear the location for above-mentioned terminal 50, before this room 11, back internal face is provided with and holds groove 13 and (rear inwall side only is shown among the figure, the recess configurations of the place ahead inwall side and relative position are identical with the rear inwall), insulation cover plate 30 engages with the groove 13 that holds of this insulating body 10 with the blocked block 31 (front side only is shown among the figure) of sidewall before and after it, hold groove 13 bottom sides and be provided with a rectangular plate 14, in order to the printed circuit board (PCB) fixing is located; In addition, these insulation cover plate 30 left and right sides edge are respectively established a guiding projection 32, it can enter in the guide groove 15 exactly with insulating body 10 assemblings the time, offers some parallel cylindrical voids 33 on these insulation cover plate 30 surfaces, dispels the heat when being beneficial to printed circuit board (PCB) energising work.

See also Fig. 2, first inclined-plane 25 of this insulating body 10 is provided with a strip hole 16, pass through and combine for the bus-bar (not shown) with above-mentioned conducting terminal 50 intersection ends 52 (see figure 1)s, on second inclined-plane 26 of insulating body 10 and end face 27, offer some heat dissipation channels 17, be beneficial to the heat radiation of printed circuit board (PCB).The opposite side of insulating body 10 is a bus-bar orientation room 18, bus-bar is in this location of pegging graft, an oblique triangle fixture block 19 is respectively established at these orientation room 18 two ends and a hook-shaped card post 21 (only illustrates left one side among the figure, right-hand not shown, its structure is identical with the left side), can be respectively with Fig. 1 in the draw-in groove 61 that colludes post 41 and insulation guide plate 60 two ends at insulation inner housing 40 two ends fasten mutually, this insulation inner housing 40 is corresponding to the bus-bar orientation room 18 of aforementioned dielectric body 10, and terminal jacks 12 corresponding grooves 42 with insulating body 10 are arranged, this groove provides the cushion space of mating force when the grafting bus-bar for terminal 50.This conducting terminal 50 is plugged on the terminal jacks 12 of insulating body, the one end is a plug end 51, the other end is an intersection end 52, Figure 1 shows that the situation that strip does not excise, this conducting terminal 50 is provided with a bending segment 53 near intersection end 52, be provided with positioning section 54 in these bending segment 53 nearly intersection end 52 two bottom sides, what remark additionally is (please in conjunction with consulting Fig. 2), aforementioned terminal jacks 12 is through to a side of bus-bar orientation room 18, and be provided with the location notch 22 of shape such as convex shape, so that make the well engaging thereon of this conducting terminal bending segment 53 and positioning section 54, thereby conducting terminal 50 located on left and right directions.About the locate mode of this terminal, the 84202389th and No. 84203093 patent can filing an application in Taiwan with reference to same applicant.

In addition, as shown in Figure 1, insulation guide plate 60 is located at 40 of insulating body 10 and inner housings, and the groove 42 corresponding to inner housing 40 is provided with through hole 62, can wear wherein for this terminal intersection end 52, in draw-in groove 61 both sides of this insulation guide plate 60, extension is convexly equipped with guiding face 63, it is when assembling, and bootable insulation guide plate 60 engages with insulating body 10 exactly.

The assembling process of utility model electric connector below will be described in detail in detail.See also Fig. 1 and cooperate Fig. 2, at first, conducting terminal 50 is assembled on the terminal jacks 12 of insulating body 10, make plug end 51 be positioned at room 11, and bending segment 53 is positioned in the convex location notch 22, the guide plate 60 mat draw-in grooves 61 that will insulate again are fixed on the card post 21 of insulating body 10; , as shown in Figure 3, bus-bar 70 (dotted line shown in) passed through strip hole 16 insulating body 10 first inclined-planes 25 on, and place the orientation room 18 of insulating body 10, the colluding on the fixture block 19 that post 41 is fastened on insulating body 10 of the inner housing 40 that will insulate again thereafter.In this insulation inner housing 40 is pressed into and is fastened on process on the insulating body 10, the intersection end 52 of this conducting terminal 50 can be accurately and is firmly inserted in the bus-bar 70, promptly, in the pressing process, carry out the grafting of terminal and bus-bar simultaneously, in the utility model, by the guide function of insulation guide plate 60, can make things convenient for exactly this conducting terminal 50 to be pressed into and to peg graft with bus-bar 70 and to be one.Again as shown in Figure 3, printed circuit board (PCB) 80 (shown in the dotted line) is inserted in the room 11 in the insulating body 10, and peg graft mutually with this conducting terminal 50, welding is fixing again.At last, insulation cover plate 30 is inserted by the top of insulating body 10, and the groove 13 that holds on its fixture block 31 of mat and the insulating body 10 is fixed.So just finished the assembling of the utility model device.

The present invention is not limited to described embodiment, but other execution modes for example triangle fixture block 19 and the hook-type card post 21 of these insulating body 10 its both sides of mat engage (as D-SUB) with the electric connector of other type, to be applicable to the needs of different device, the material that perhaps heat conductivility is good is replaced cover plate 30, also can dispel the heat well.

Claims (5)

1. An electrical connector with a heat-dissipating shell, characterized in that it includes an insulating body, a cover plate, a circuit board and a set of conductive terminals, and one side of the insulating body is provided with a chamber for terminal positioning and accommodating a printed circuit board , the opposite side is the terminal positioning chamber; several terminal jacks run through the chamber and the terminal positioning chamber to accommodate the conductive terminal, and the printed circuit board has several circuits and electrical components connected to the conductive terminal, and the cover plate overlay on it. 2. The electrical connector with heat dissipation housing according to claim 1, wherein the cover plate is made of metal material. 3 . The electrical connector with a heat dissipation housing as claimed in claim 2 , wherein the cover plate covers the insulating body to seal off the electrical connector by insulating moisture and dust. 4. The electrical connector with heat dissipation housing as claimed in claim 3, wherein an insulating space is reserved between the metal cover and the printed circuit board. 5. The electrical connector with a heat dissipation housing as claimed in claim 3, wherein an insulating layer is disposed between the metal cover and the printed circuit board.

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