CN2687900Y

CN2687900Y - Power supply connector

Info

Publication number: CN2687900Y
Application number: CNU200420001516XU
Authority: CN
Inventors: 吴亚军; 凯文·德兰尼
Original assignee: Molex LLC
Current assignee: Shanghai Moshi Connector Co Ltd; Molex LLC
Priority date: 2004-01-09
Filing date: 2004-01-09
Publication date: 2005-03-23
Anticipated expiration: 2014-01-09
Also published as: WO2005071797A1; WO2005071797B1

Abstract

The utility model provides a power supply connector, comprising an insulating shell, a first terminal and a second terminal. The first terminal is provided with a contact portion; the first terminal is arranged on the insulating shell; the contact portion extends into the containing space of the insulating shell; the second terminal is provided with a metal shell and an elastic trip extending out from the metal shell; the metal shell is coated out of the insulating shell; the metal shell is clamped to the insulating shell; the elastic trip extends into the containing space of the insulating shell; hereby, the second terminal is welded on the circuit board by utilizing the entire bottom surface of the metal shell; the bonding strength is better; the power supply connector is caused to be firmly fixed on the circuit board and is hard to be inserted and drawn.

Description

Power connector

Technical field

The utility model relates to a kind of power connector, relates in particular to a kind of portable electronic devices that is applicable to, it can be arranged on the circuit board, and the power connector that can electrically connect mutually with a power connector that is complementary.

Background technology

Standing on the general electronic installation have a power connector, be used for accepting the power supply that power supply unit is supplied, particularly on the portable electronic devices (as PDA, notebook computer, mobile phone), except the power supply that battery can be of short duration is arranged, more be equipped with power connector and be used for making the power supply electric power storage, or, make that electronic installation can operate as normal directly to the electronic building brick power supply in the electronic installation.

See also Fig. 1, existing power connector can be arranged on the circuit board, and can electrically connect mutually with a power connector that is complementary, this power connector includes an insulation shell 50, a first terminal 60 and one second terminal 70, these the first terminal 60 suitable being arranged on this insulation shell 50, this the first terminal 60 has a contact site 601 and a pin portion 602, the contact site 601 of this first terminal 60 stretches in the accommodation space 501 of this insulation shell 50, and this contact site 601 can be realized in order to the termination contact with the power connector that is complementary electrically connecting.602 in the pin portion of this first terminal 60 stretches out outside this insulation shell 50, so that be welded on the circuit board, makes the first terminal 60 and circuit board realize electrically connecting.

These second terminal, 70 suitable being arranged on this insulation shell 50, this second terminal 70 has at least one shell fragment 701 and a pin portion 702, this shell fragment 701 stretches in the accommodation space 501 of this insulation shell 50, electrically connects so that contact realization with the another terminal of the power connector that is complementary.702 in the pin portion of this second terminal 70 can be welded on the circuit board, makes this second terminal 70 and circuit board realize electrically connecting.

This first terminal 60 can receive the positive supply that comes from the power connector that is complementary, this second terminal 70 then can be used as earthy terminal (or receiving the negative supply that comes from the power connector that is complementary), and power connector can be electrically connected mutually with the power connector that is complementary.

But above-mentioned existing power connector is welded on the circuit board with the

pin portion

602 and 702 of

terminal

60 and 70, make

terminal

60 and 70 and circuit board realize electrically connecting, and this makes power connector be fixed on the circuit board.Because power connector only is fixedly welded on circuit board with

pin portion

602 and 702, bond strength is relatively poor between power connector and the circuit board, makes being fixed on the circuit board that power connector can't be firm to be difficult to anti-plug.

In summary, the power connector of described prior art on reality is used, obviously exists inconvenience and defective, so be necessary to be improved.

Summary of the invention

At above-mentioned defective, main purpose of the present utility model, being to provide a kind of power connector, it is the housing shape with second terminal design, can utilize the whole bottom surface of metal shell to be welded on the circuit board, bond strength is preferable between power connector and the circuit board, makes to plug being fixed on the circuit board that this power connector can be firm than ability.

In order to realize above-mentioned purpose, the utility model provides a kind of power connector, and it can be arranged on the circuit board, and electrically connects mutually with a power connector that is complementary, and comprising: an insulation shell, and it has an accommodation space; One the first terminal, it has a contact site, and this first terminal is arranged on this insulation shell, and this contact site stretches in the accommodation space of this insulation shell; One second terminal, it has a metal shell and a shell fragment, this shell fragment is extended by metal shell, this metal shell is coated on this insulation shell outside, this metal shell also is connected in this insulation shell, this shell fragment stretches in the accommodation space of this insulation shell, and this metal shell bottom surface can be in order to be welded on the circuit board.

For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Brief Description Of Drawings

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by detailed description to preferred embodiment of the present utility model.

In the accompanying drawing,

Fig. 1 is the stereogram of existing power supply connector;

Fig. 2 is the three-dimensional exploded view of the utility model power connector;

Fig. 3 is the three-dimensional exploded view of another angle of the utility model power connector;

Fig. 4 is the stereogram of the utility model power connector;

Fig. 5 is the stereogram of another angle of the utility model power connector;

Fig. 6 is the stereogram of the insulation shell of the utility model power connector.

Embodiment

Hereinafter, will describe the utility model in detail.

The utility model provides a kind of power connector, this power connector can be arranged on the circuit board, and can electrically connect mutually with a power connector that is complementary, come from the power supply of this power connector that is complementary with acceptance, and can make the circuit normal operation on the circuit board.

See also Fig. 2, Fig. 3, Fig. 4 and Fig. 5, power connector of the present utility model includes an insulation shell 10, a first terminal 20 and one second terminal 30, wherein this insulation shell 10 is made with plastic material, it has one can be for the front end face 101 and the rear end face 102 of the power connector insertion that is complementary, be connected with a perisporium 103 between this front end face 101 and this rear end face 102, this insulation shell 10 also forms an accommodation space 104 that is positioned at 102 of front end face 101 and rear end faces, and these accommodation space 104 front ends are opening-like.In present embodiment, this insulation shell 10 shape that roughly is rectangle, so this perisporium 103 can be divided into upper and lower and left and right wall.

In addition, form a holddown groove 105 (as Fig. 6), this holddown groove 105 proper depth that extends internally at rear end face 102 places of this insulation shell 10.Front end face 101 4 limit outer rims in this insulation shell 10 are formed with flange 106 in addition, and are provided with locking member 107 in perisporium 103 1 sidewalls of this insulation shell 10, and this flange 106 and locking member 107 can be in order to locate second terminal 30.

This first terminal 20 is made with conductivity good metal material, and it has a body 201, a contact site 202 and a pin portion 203.This body 201 be one with the holddown groove 105 corresponding plate bodys of this insulation shell 10.This contact site 202 is a cylinder, and this contact site 202 is connected in body 201 front sides, and horizontal extension forward.This pin portion 203 is connected in body 201 rear sides, and bending is extended downwards.

The body 201 of this first terminal 20 is embedded and is fixed in the holddown groove 105, and on this body 201 and be equipped with a bossy body 204, can be forced into holddown groove 105 inwalls and its generation and interfere, and makes this first terminal 20 firm being arranged on this insulation shell 10.The contact site 202 of this first terminal 20 stretches in the accommodation space 104 of this insulation shell 10, and this contact site 202 can be realized in order to the termination contact with the power connector that is complementary electrically connecting.203 in the pin portion of this first terminal 20 stretches out outside this insulation shell 10, so that be welded on the circuit board, makes the first terminal 20 and circuit board realize electrically connecting.

This second terminal 30 is made with conductivity good metal material, and it has the metal shell 301 of a sealing, and this metal shell 301 has upper and lower and left and right four sidewalls.And on the upper side wall of this metal shell 301, offering one first opening 302, a side of this first opening 302 is extended with first shell fragment 303 of a downward-sloping bending.Offer one second opening 304 on the left side wall of this metal shell 301, a side of this second opening 304 is extended with second shell fragment 305 that slopes inwardly and bend.A side that offers 2 the 3rd openings, 306, the three openings 306 on the right side wall of this metal shell 301 respectively be extended with one slope inwardly bending and with these locking member 107 corresponding clamping sheets 307.

The metal shell 301 of this second terminal 30 is coated on insulation shell 10 outsides, and these metal shell 301 front ends contact at this insulation shell 10 flange 106 trailing edge and locate, and the clamping sheet 307 that makes this second terminal 30 be connected in this insulation shell 10 locking member 107 leading edge and locate, prevent that by this flange 106 and locking member 107 second terminal 30 from producing forward and backward displacement, is arranged on this insulation shell 10 these second terminal, 30 firm clampings.First shell fragment 303 of this second terminal 30 and second shell fragment 305 then can stretch in the accommodation space 104 of this insulation shell 10 by default corresponding holes 108,109 on the insulation shell 10, electrically connect so that contact realization with the another terminal of the power connector that is complementary.Metal shell 301 bottom surfaces of this second terminal 30 then can make this second terminal 30 and circuit board realize electrically connecting in order to be welded on the circuit board.

This second terminal 30 is provided with a shell fragment 303 at least, and this preferred embodiment is provided with two shell fragments 303,305, therefore, when this second terminal 30 is arranged on this insulation shell 10, make this two shell fragment 303,305 all be positioned at this accommodation space 104, can be in contact with one another, promptly adopt multijunction mode with the power connector that is complementary, with the power connector guaranteeing second terminal 30 and the be complementary electrical connection between the two, and can increase chucking power.

In general, this first terminal 20 can receive the positive supply that comes from the power connector that is complementary, and this second terminal 30 then can be used as earthy terminal (or receiving the negative supply that comes from the power connector that is complementary).Certainly, also can utilize this second terminal 30 to receive and come from the positive supply of the power connector that is complementary, and utilize this first terminal 20 as earthy terminal (or receiving the negative supply that comes from the power connector that is complementary).

When the power connector that is complementary fashionable toward accommodation space 104 interpolations of insulation shell 10, the terminal of the power connector that this is complementary can with the shell fragment 303 of this second terminal 30,305 contact, finish the action of ground connection, and the another terminal of the power connector that the contact site 202 of these the first terminal 20 front ends can be complementary institute is sheathed, thereby can receive the power supply that comes from the power connector that is complementary, therefore can pass through above-mentioned the first terminal 20, second terminal 30 receives and comes from the power supply that power connector transmitted that is complementary, electrically connect mutually by the pin portion 203 of the first terminal 20 and metal shell 301 bottom surfaces of second terminal 30 and the circuit on the circuit board respectively again, realize receiving the purpose of power supply.

The utility model mainly is the housing shape with second terminal, 30 designs of power connector, it can utilize the whole bottom surface of metal shell 301 to be welded on the circuit board, bond strength is preferable between power connector and the circuit board, make being fixed on the circuit board that power connector can be firm, power connector is difficult for generation and becomes flexible, rocks, and plugs than ability.

Be understandable that; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection range of the utility model accompanying Claim.

Claims

1, a kind of power connector, it can be arranged on the circuit board, and electrically connects mutually with a power connector that is complementary, and it is characterized in that, comprising:

One insulation shell, it has an accommodation space;

One the first terminal, it has a contact site, and this first terminal is arranged on this insulation shell, and this contact site stretches in the accommodation space of this insulation shell; And

One second terminal, it has a metal shell and one first shell fragment, this first shell fragment is extended by metal shell, this metal shell is coated on this insulation shell outside, this metal shell also is connected in this insulation shell, this first shell fragment stretches in the accommodation space of this insulation shell, and this metal shell bottom surface can be in order to be welded on the circuit board.

2, power connector according to claim 1 is characterized in that, this insulation shell is provided with and the corresponding holes of this first shell fragment, and this first shell fragment stretches in the accommodation space of this insulation shell by holes.

3, power connector according to claim 1 is characterized in that, this first terminal has a body and a pin portion, this pin portion and contact site are connected in this body, this insulation shell is formed with a holddown groove, and this body is fixed in this holddown groove, and this pin portion stretches out outside this insulation shell.

4, power connector according to claim 3 is characterized in that, is equipped with bossy body on the body of this first terminal, and this bossy body is forced into the holddown groove inwall and its generation is interfered.

5, power connector according to claim 1 is characterized in that, offers one first opening on the sidewall of this metal shell, and this first shell fragment is extended by a side of this first opening.

6, power connector according to claim 1 is characterized in that, the metal shell of this second terminal is provided with one second shell fragment, and this second shell fragment stretches in the accommodation space of this insulation shell.

7, power connector according to claim 6 is characterized in that, offers one second opening on the sidewall of this metal shell, and this second shell fragment is extended by a side of this second opening.

8, power connector according to claim 1 is characterized in that, this insulation shell front end face outer rim is formed with flange, and this metal shell front end contacts at the flange of this insulation shell and locatees.

9, power connector according to claim 1 is characterized in that, the metal shell of this second terminal is provided with the clamping sheet, and this insulation shell is provided with corresponding locking member, and this clamping sheet is connected in this locking member.

10, power connector according to claim 9 is characterized in that, offers the 3rd opening on the sidewall of this metal shell, and this clamping sheet is extended by a side of the 3rd opening.