CN1459889A

CN1459889A - Connector for printed circuit board

Info

Publication number: CN1459889A
Application number: CN03123728A
Authority: CN
Inventors: 黑田桂治; 宫本大智
Original assignee: JST Mfg Co Ltd
Current assignee: JST Mfg Co Ltd
Priority date: 2002-05-20
Filing date: 2003-05-20
Publication date: 2003-12-03
Anticipated expiration: 2023-05-20
Also published as: KR100580426B1; TWI253215B; TW200408170A; KR100571947B1; KR20060027836A; CN1234197C; KR20030090523A; JP2003338342A; JP3819321B2

Abstract

To provide a connector for a printed wiring board suitable for high voltage use, surely preventing a forced fitting and a reverse fitting while being small and thin. The connector comprises a base connector 1 having a base housing 2 formed as a flat box shape having an open front, which houses a plurality of pin connects 3 in parallel, and a socket connector 21 having a socket housing 22. A plurality of cylindrical housing parts 24 for housing individually and separately a socket contact 32 connected to an end part of a plurality of wires 31, are disposed on the socket housing 22 with a certain space. On an inner surface of a lower wall 6 of the base housing 2, a projecting piece 9 engaging in a gap part 26 between the cylindrical housing parts 24 is provided extendedly to an opening 4. A cutout 10 is provided along a circumference of an upper wall of the opening of the base housing 2 allowing the projecting piece 9 to be seen from the upper side of the base housing 2 through the cutout 10.

Description

The printed wiring board-use connector

Technical field

The present invention relates to the printed wiring board-use connector of miniaturization, slimming, relate in particular to formation goes up encapsulation as the inverter substrate (circuit substrate) of the power circuit of the bias light of the light source of the liquid crystal panel of computer etc. the high-tension connector that is applicable to.

Background technology

As the connector that encapsulates on the above-mentioned inverter substrate, in order to realize miniaturization and slimming, use the high voltage connector, as shown in figure 15, this high voltage is made of dock connector 41 and connector 51 with connector, when dock connector 41 held a plurality of pin type joint 43 in front in the base shell 42 of the flat box-shaped of formation of opening side by side, its leading part 44 connected rear walls and gives prominence to, and surface encapsulation is on inverter substrate 45; Connector 51 has connector shell 52, separates and hold the connector joint 54 of the end that is connected a plurality of electric wires 53 in this connector shell 52 respectively, connector 51 can arbitrarily plug with inverter substrate 45 on 41 chimeric connections of dock connector of installing.

But, the dock connector 41 of above-mentioned existing connector and connector 51 all are slim, highly very low, so, with connector 51 is chimeric when being connected to dock connector 41, it is chimeric to be easy to form warpage (こじり), therefore, has the problem of pin type joint 43 distortion of dock connector 41.In addition, during reverse chimeric connector 51, as shown in the figure, if do not notice that connector 51 relative dock connectors 41 are half chimerism, and directly energising, then because pin type joint 43 is little with the interval (space length) of connector joint 54, so there is the problem that produces the fault that sparkles.

Summary of the invention

The present invention is used to address the above problem a little, and it is a kind of when keeping miniaturization, slimming that purpose is to provide, can prevent really warpage chimeric and oppositely chimeric be applicable to high-tension printed wiring board-use connector.

In order to achieve the above object, connector of the present invention is made of dock connector and connector, dock connector holds a plurality of pin type joints in the base shell of the flat box-shaped of formation of opening in front side by side, connector has the connector shell, dispose a plurality of tubular shell portion with predetermined distance in this connector shell, this a plurality of tubular shell portion separates and holds the connector joint of the end that is connected to a plurality of electric wires respectively, it is characterized in that: the lower wall inner face of described base shell is provided with the prominent silver in the vacancy portion that is fastened between the described tubular shell portion, and this prominent silver extends to described peristome.

In order to make chimeric processing ease carry out, preferably the upper wall ora terminalis along the above-mentioned peristome of said base shell is provided with notch, by this notch, can see described prominent silver from the top.

Description of drawings

Fig. 1 is the perspective view that the dock connector that constitutes printed wiring board-use connector of the present invention is shown.

Fig. 2 is the plane graph that this dock connector is shown.

Fig. 3 is the front elevation that this dock connector is shown.

Fig. 4 is the profile that illustrates along the 4-4 line of Fig. 3.

Fig. 5 is the profile that illustrates along the 5-5 line of Fig. 3.

Fig. 6 is the profile that illustrates along the 6-6 line of Fig. 3.

Fig. 7 is the perspective view that the connector that constitutes printed wiring board-use connector of the present invention is shown.

Fig. 8 is the front elevation that this connector is shown.

Fig. 9 is the vertical section side view that this connector is shown.

Figure 10 is the cross section plane graph that makes use-case that printed wiring board-use connector of the present invention is shown.

Figure 11 is the profile that illustrates along the 11-11 line of Figure 10.

Figure 12 is the vertical section side view that the reverse chimerism of this connector is shown.

Figure 13 is other the cross section plane graph of embodiment that printed wiring board-use connector of the present invention is shown.

Figure 14 is the profile that illustrates along the 14-14 line of Figure 13.

Figure 15 is the vertical section side view that existing example is shown.

Embodiment

Below, with reference to the accompanying drawings, suitable execution mode of the present invention is described.

Fig. 1 to Fig. 6 illustrates the dock connector 1 that constitutes printed wiring board-use connector of the present invention.This dock connector 1 holds side by side in the base shell 2 that is formed by the insulated plastic material conductive metal plate is carried out bending ram processing and a plurality of pin type joints 3 of forming.

Base shell 2 has peristome 4 in front, forms by thick two

side

5,5, thin lower wall 6 and upper wall 7, thick rear wall 8 (with reference to Fig. 6) and wholely highly be the flat box-shaped of 2.0mm～3.0mm, a plurality of prominent silver 9 outstanding side by side setting and pin type joint 3 configured in parallel, extend to peristome 4 from rear wall 8 on the inner face of lower wall 6.In addition, notch 10 is set, can sees the fore-end of prominent silver 9 from the top of base shell 2 by notch 10 along upper wall 7 ora terminalis of peristome 4.Prominent silver 9 is set up in parallel with the spacing of stipulating in order to engage with the connector shell 22 of connector 21 described later.In addition, obtained reinforcing by these prominent silver 9 thin lower walls 6.And the spacing with regulation on the rear wall 8 is provided with the installing hole 11 (with reference to Fig. 3 and Fig. 4) of a plurality of pin type joints 3.In illustrated example, be provided with 7 installing holes 11, wherein, insert in 4 installing holes 11 and disposed pin type joint 3, can be as required, increase and decrease pin type joint 3.

Pin type joint 3 reaches the leading part 13 that is bowed downward to the extension of L font from the rear end of this contact site 12 by contact site 12 and forms, contact site 12 is inserted installing hole 11 from the rear of the rear wall 8 of base shell 2, extend to peristome 4, and, spacing with regulation in base shell 2 is set up in parallel, simultaneously, leading part 13 rearward extends along the bottom surface of the lower wall 6 of base shell 2.In addition, in the two

side

5,5 of base shell 2, embedding reinforcing

metal parts

14,14 with peristome 4 adjoining positions respectively.And, the two end portions of upper wall 7 be provided with connector shell 22 described later in the block (Department that is provided with end) connecting

hole

15,15 that engages of

projection

30,30.

Fig. 7 to Fig. 9 illustrates the connector 21 that constitutes connector of the present invention.This connector 21 has connector shell 22, predetermined distance with the spacing of corresponding pin type joint 3 in this connector shell 22 disposes a plurality of (in the illustrated example being 4) tubular shell portion 24, and this a plurality of tubular shell portion 24 separates and hold the connector joint 32 of the end that is connected a plurality of electric wires 31 respectively.The cardinal extremity partial continuous of each tubular shell 24 is arranged in the shell main body 23, and simultaneously, the upper end of each tubular shell portion 24 links mutually by thin binding wall 25, forms the vacancy portion 26 of groove shape between each tubular shell portion 24.Engage the prominent silver 9 of above-mentioned base shell 2 in this vacancy portion 26.In addition, the leading section of each tubular shell portion 24 is provided with the opening 27 of the contact site 12 that inserts pin type joint 3.Pressure welding is connected the connector joint 32 of the end of electric wire 31 and makes by the conductive gold metal thin plate being carried out bending ram processing.This connector joint 32 as shown in Figure 9, insert and be contained in the joint accommodation section 28 that is provided with respectively each tubular shell portion 24 from the shell main body 23 of connector shell 22, tip (the ラ Application ス) connecting hole 29 that 33 blocks are provided with on the upper wall portions of tubular shell portion 24 that is provided with on the connector joint 32 prevents from.In addition, be arranged in the

outstanding block projection

30,30 that is provided with the connecting

hole

15,15 that is provided with on the both ends of the upper wall 7 that is engaged to base shell 2 on the upper wall portions of

tubular shell portion

24,24 at two ends.

Figure 10 and Figure 11 illustrate the user mode of the connector of the present invention that is formed by above-mentioned dock connector 1 and connector 21.Dock connector 1 is by being electrically connected on the circuit pattern (not shown) that the leading part 13 of each pin type joint 3 is welded on printed wiring board 35, simultaneously, be welded on the printed wiring board 35 by reinforcing

metal parts

14,14 with two, surface encapsulation is on printed wiring board 35.On the other hand, be connected the connector 21 of end of a plurality of electric wires 31 by the tubular shell portion 24 of connector shell 22 is inserted the chimeric dock connector 1 that is connected to from the peristome 4 of base shell 2.Carrying out this when chimeric, position the vacancy portion 26 that makes between the tubular shell portion 24 and be engaged to each prominent silver 9 that the notch that is provided with can be seen from the ora terminalis of top by upper wall 7 of base shell 2, position guiding by this prominent silver 9, make connector shell 22 be fitted to base shell 2, just can prevent that warpage is chimeric, make connector shell 22 chimeric with correct posture with respect to base shell 2.Then, during the chimeric position of the regulation of the base shell 2 that connector shell 22 is inserted into, the contact site 12 of each pin type joint 3 of dock connector 2 relatively advances, and enters in the tubular shell portion 24 by opening 27, is fitted in the connector joint 32, is electrically connected with it.Simultaneously, when the

block projection

30,30 of connector shell 22 was fixed the connecting

hole

15,15 of base shell 2, the click effect during according to engaging was felt, confirms that dock connector 1 is connected with the chimeric of connector 21.Under this chimeric connection status, as shown in figure 11, the tip 33 of the connector joint 32 that exposes from the connecting hole 29 of each tubular shell portion 24 is covered by the upper wall 7 of base shell 2, so, can effectively prevent most advanced and sophisticated 33 short troubles that cause etc., be suitable as high voltage and use with connector.

On the other hand, as shown in figure 12, when the operator oppositely was fitted to dock connector 1 with connector 21 mistakenly, the binding wall 25 of each tubular shell portion 24 abutted on the prominent silver 9 of base shell 2, stop to insert, so, can positively prevent oppositely chimeric.

Figure 13 and Figure 14 illustrate the embodiment that mode that the connecting hole 29 (not shown) that is provided with on the lower wall portion with the tip 33 of connector joint 32 and tubular shell portion 24 engages constitutes.Like this, when being exposed to lower wall one side of tubular shell portion 24, when each tip 33 is bonded wall 25 coverings, hidden by prominent silver 9 between the adjacent tip 33, so creepage distance becomes greatly, and is especially effective when using with connector as high voltage with most advanced and sophisticated 33.In this case, increase, can increase the creepage distance between most advanced and sophisticated 33, better effects if by the silver 9 of will dashing forward.

To sum up explanation when keeping miniaturization, slimming, can positively prevent that warpage is chimeric and oppositely chimeric according to connector of the present invention.And when dock connector carried out chimeric the connection with connector, the tip of connector joint was covered by base shell, can not be exposed to the outside, so, be suitable as the high voltage connector.

Claims

1. printed wiring board-use connector is made of following part:

Dock connector, it holds a plurality of pin type joints in base shell of the flat box-shaped of formation of opening in front side by side;

Connector, it has the connector shell, disposes a plurality of tubular shell portion with predetermined distance in this connector shell, and this a plurality of tubular shell portion separates and holds the connector joint of the end that is connected to a plurality of electric wires respectively,

It is characterized in that:

The lower wall inner face of described base shell is provided with the prominent silver in the vacancy portion that is fastened between the described tubular shell portion, and this prominent silver extends to described peristome.

2. printed wiring board-use connector as claimed in claim 1 is characterized in that:

Upper wall ora terminalis along the described peristome of described base shell is provided with notch, by this notch, can see described prominent silver from the top.

3. printed wiring board-use connector as claimed in claim 1 or 2 is characterized in that:

The upper end of described tubular shell portion links mutually by the thin wall that links, and described vacancy portion forms the groove shape.

4. as claim 1,2 or 3 described printed wiring board-use connectors, it is characterized in that:

The tip of described connector joint is fastened in the connecting hole that is provided with in the described tubular shell portion,, exposes in upper wall one side of described base shell when chimeric with described dock connector, is covered by this upper wall.

5. as claim 1,2 or 3 described printed wiring board-use connectors, it is characterized in that:

The tip of described connector joint is fastened in the connecting hole that is provided with in the described tubular shell portion,, exposes in lower wall one side of described base shell when chimeric with described dock connector, is covered by this lower wall.