CN2809976Y

CN2809976Y - Power supply connector

Info

Publication number: CN2809976Y
Application number: CN 200520072627
Authority: CN
Inventors: 陈坤华; 钟永谦
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2005-06-10
Filing date: 2005-06-10
Publication date: 2006-08-23
Anticipated expiration: 2015-06-10

Abstract

The utility model relates to a power supply connector, which is used for the electrical connection of batteries and returning charging circuits of data transmission sockets. The utility model comprises an insulating shell, a first terminal, a second terminal and a switch terminal, wherein the insulating shell has a containing space which is used for containing the insertion of matched electric connectors, and the first terminal, the second terminal and the switch terminal are arranged on the insulating shell. Furthermore, the first terminal has a first contact portion and a second contact portion, wherein the first contact portion extends into the containing space, the second terminal has a third contact portion which extends into the containing space and the switch terminal comprises a fourth contact portion which contacts with the second contact portion so as to form a constant closed switch. Besides, a top opening element is arranged on the switch terminal and the top opening element extends into the containing space to cause the fourth contact portion and the second contact portion to be disconnected.

Description

Power connector

[technical field]

The utility model relates to a kind of power connector, especially relates to a kind of power connector that is provided with control switch.

[background technology]

Electronic equipments such as mobile phone, PDA, digital camera are standing power connector, so that the battery of electronic equipment charged, or directly to the electronic building brick power supply in the electronic equipment.Power connector is typically provided with switch terminal, in order to the open and close of the charge circuit of control data transmission socket.Xiang Guan prior art can be consulted Chinese utility model patent ZL No. 200420001515.6 therewith.The power connector that this patent disclosed comprises insulation shell and is arranged on the first terminal, second terminal, the switch terminal on the insulation shell and backs down part.Wherein, the first terminal and switch terminal are made by metal material, and before the matching connector that insertion is complementary, switch terminal is connected with the first terminal, to constitute a normally closed switch.The above-mentioned part that backs down is a metal clips, and it has a fixed part and coupled arm, and the free end of coupled arm is fixed with collets.Described fixed part is fixed in the above-mentioned insulation shell, and collets are corresponding to switch terminal, and coupled arm then is arranged in the insertion path of the matching connector that is complementary.Thereby when the matching connector that is complementary inserted, the terminal of matching connector contacted coupled arm, thereby collets pull switch terminal is separated with the first terminal.The part that backs down that this kind backs down mode separates setting with switch terminal, not only increased the number of elements of power connector, and makes the structure of the insulation shell of power connector become complicated, is unfavorable for that manufacturing and assembling process are complicated.

Therefore, above-mentioned existing power connector obviously has defective and exists, and can be improved.

[utility model content]

Main purpose of the present utility model is to provide a kind of being provided with to back down part and make power connector simple, that be convenient to assemble.

For achieving the above object, the utility model provides a kind of power connector, in order to electrically connect battery and transfer of data charging socket loop, this power connector comprises: insulation shell, the first terminal, second terminal and switch terminal, wherein said insulation shell has an accommodation space, and described the first terminal, second terminal and switch terminal are arranged on the described insulation shell; Described the first terminal has first contact site and second contact site, and this first contact site extends into described accommodation space; Described second terminal has the 3rd contact site, and the 3rd contact site extends into described accommodation space; Described switch terminal has the 4th contact site, and the 4th contact site contacts with described second contact site, and constitutes a normally closed switch; Described switch terminal is provided with one and backs down part, and this backs down part and stretches in the described accommodation space, can be in order to the 4th contact site and described second solution of contiguity that promotes this switch terminal.

Compared with prior art, the utility model power connector will back down part and be arranged on the switch terminal, not only reduce power connector electronic component number, and can simplify the structure of insulation shell, and its manufacturing is simple, easy to assembly.

[description of drawings]

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.

Fig. 1 is the three-dimensional combination figure of the utility model power connector.

Fig. 2 is the three-dimensional combination figure of another angle of the utility model power connector.

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

Fig. 4 is the three-dimensional exploded view of another angle of the utility model power connector.

Fig. 5 is the insulation shell stereogram of the utility model power connector.

Fig. 6 is the cutaway view of the utility model power connector switch normally off lower edge Fig. 1 center line A-A.

Fig. 7 is after the electric connector of coupling inserts, the cutaway view of the utility model power connector under the switch opens state.

Fig. 8 is the first terminal and the schematic diagram of switch terminal under the switch normally off of the utility model power connector second execution mode.

Fig. 9 is the first terminal and the schematic diagram of switch terminal under the switch opens state of the utility model power connector second execution mode.

[embodiment]

The utility model provides a kind of power connector 100, this power connector 100 can be arranged on the circuit board (not shown), and can electrically connect with an electric connector that is complementary, come from the power supply of this electric connector that is complementary with acceptance, and can make the circuit normal operation on the circuit board.Fig. 1 to shown in Figure 7 be first kind of execution mode of the utility model power connector, Fig. 8 and shown in Figure 9 be another kind of execution mode.

Please refer to Fig. 3 and Fig. 4, power connector 100 comprises an insulation shell 1, a first terminal 2, one second terminal 3, a switch terminal 4 and a support terminals 5, and wherein switch terminal 4 is provided with and backs down part 6.

Please refer to Fig. 1 to Fig. 2, insulation shell 1 is made by insulating material, and is roughly rectangular, has mating surface 11 and Hou end face 12 that the electric connector that can Gong be complementary inserts, is connected with a perisporium 13 between mating surface 11 and the Hou end face 12.One accommodation space 10 extends a segment distance from the mating surface 11 of the housing 1 that insulate to Hou end face 12, and this accommodation space 10 is the plug terminals 200 in order to hold the electric connector that is complementary.Described perisporium 13 comprises upper wall 13a, lower wall 13b, left wall 13c and right wall 13d.Upper wall 13a is provided with first window 131 and second window 132.

Please refer to Fig. 4 and Fig. 5, the rear end face 12 of insulation shell 1 forms first holddown groove 14, second holddown groove 15, the 3rd holddown groove 16 and the 4th holddown groove 17.Wherein, first, second and third holddown groove 14,15,16 is arranged side by side at lower wall 13b place, and the 4th holddown groove 17 then is arranged near upper wall 13a place.Above holddown groove 14,15,16,17 extends to proper depth in the insulation shell 1 from rear end face 12.First, second and third holddown groove 14,15,16 has extended upward one first, second and third accepting groove 141,151,161 respectively.This first accepting groove 141 and second accepting groove 151 are being communicated with near Hou end face 12 places.Described first holddown groove 14 and first accepting groove 141 constitute first mounting groove (not label), and second holddown groove 15 and second accepting groove 151 constitute second mounting groove (not label).

Please refer to Fig. 3 and Fig. 4, the first terminal 2 is made by conductivity good metal material, and as copper material, it is provided with and is flat first body 20.The front side of described first body 20 is connecting the slightly upwardly extending first fishplate bar portion 22, and the described first fishplate bar portion 22 is in order to electrically connecting with the foregoing circuit plate, thereby makes the first terminal 2 and circuit board reach electric connection.One side of above-mentioned first body 20 is connecting second body 21 that is " U " shape.First contact site 23 that the front side of second body 21 is connecting and one is being cylindric, level is extended forward.Second body 21 comprises first shank 211, second shank 213 that links to each other with first body 20 and is connected described first shank 211 and second shank 213 and the curved connecting portion 212.

Please refer to Fig. 2 and Fig. 6, first body 20 of the first terminal 2 is retained in second holddown groove 15 of insulation shell 1, and first body, 20 both sides are provided with protruding thorn to increase the retain strength of the first terminal 2 in insulation shell 1.Second body 21 of the first terminal 2 is housed in second accepting groove 151, and the projection 214 on second shank 213 of second body 21 increases the retain strength of the first terminal 2 in insulation shell 1.Above-mentioned first contact site 23 extends in the accommodation space 10 of insulation shell 1, and after the electric connector that is complementary inserted, this first contact site 23 contacted conducting with the plug terminal 200 of this electric connector, the power supply that comes from the outside with reception.As Fig. 2 and shown in Figure 6, second shank 213 is exposed in second accepting groove 151 near the part at connecting portion 212 places, and this part constitutes second contact site 215 of the first terminal 2.

Please refer to Fig. 3 and Fig. 4, second terminal 3 is to be made by conductivity good metal material, it has the 3rd body 30 that is plate body, the front side of described the 3rd body 30 is connecting the second fishplate bar portion 32 of a diagonally extending, this second fishplate bar portion 32 is in order to electrically connecting with the foregoing circuit plate, thereby can make second terminal 3 and circuit board reach electric connection.One side of described the 3rd body 30 is provided with the 4th body 31 that extends vertically upward.The 4th body 31 is the plate body shape, and its place ahead is connecting one first elastic arm 33, and the end of this first elastic arm 33 forms the 3rd contact site 331.

Please refer to Fig. 2 and Fig. 6, second terminal 3 is retained on the insulation shell 1, and the 3rd body 30 is embedded in the 3rd holddown groove 16, and the 3rd body 30 both sides are provided with protruding thorn to increase the retain strength of second terminal 3 on insulation shell 1.The lower wall 13b of insulation shell 1 extends in the second fishplate bar portion 32, with circuit board elasticity butt.The 4th body 31 is contained in the 3rd accepting groove 161, and the holding piece 311 of its both sides can prevent that second terminal 3 is pulled out insulation shell 1.First elastic arm 33 extends in the 3rd accepting groove 161, and the 3rd contact site 331 stretches in the accommodation space 10.When plug terminal 200 inserted, the 3rd contact site 331 electrically connected with plug terminal 200, thereby made the electric connector and the circuit board that are complementary produce electric connection.

Please refer to Fig. 3 and Fig. 4, support terminals 5 is made by metal material, comprises being flat tabular plate body 50 that this plate body 50 is provided with an opening 51, one side of this opening 51 is provided with the shell fragment 52 of downward-sloping extension, and the opposite side adjacent with an above-mentioned side of opening 51 is provided with a lug 53.This support terminals 5 is housed in the 4th holddown groove 17 of insulation shell 1, and plate body 50 sides are provided with some protruding thorns to form interference engagement with insulation shell 1.Above-mentioned lug 53 supports on a sidewall of first window 131 of insulation shell 1 upper wall 13a, is pulled out to prevent support terminals 5.Shell fragment 52 extends in the accommodation space 10, and when plug terminal 200 inserted, described shell fragment 52 was supporting plug terminal 200, to increase the chucking power of plug terminal 200 in accommodation space 10.In the present embodiment, support terminals 5 is made by steel, yet the utility model is not limited to this kind mode, support terminals 5 also can adopt to be made with second terminal, 3 identical materials and is wholely set with second terminal 3 or electrically connects with second terminal 3, electrically contacts thereby can form multiple spot with plug terminal 200.

Please refer to Fig. 3, Fig. 4 and Fig. 6, switch terminal 4 is made by the good material of conductivity, and it has roughly orthogonal the 5th body 40 and the 6th body 41, the five, the

6th body

40,41 all are tabular.The front end of the 5th body 40 is extended with the 3rd fishplate bar portion 42, in order to electrically connect with circuit board.The front end of the 6th body 41 is connecting second elastic arm 43.This second elastic arm 43 is along oppositely bending after the 6th body 41 extends to certain-length forward and extend back, and it comprises curved anterior 431 and curved rear portion 432, this curved anterior 431 and curved rear portion 432 be connected to form a U-shaped portion.Wherein, this curved rear portion 432 butting section 434 and the 4th contact site 435 of having the installation portion 433 of the one and the 6th body 41 almost parallels, extending behind this installation portion 433 bending certain angles.Described butting section 434 connects with installation portion 433 and is parallel with the 6th body 41.Described the 4th contact site 435 is connected with butting section 434, and extends towards the direction away from the 6th body 41.The affixed tapered without exception part 6 that backs down on the installation portion 433.In the present embodiment, this backs down part 6 is collets, and these collets are fixed on the switch terminal 4 by the mode of ejection formation.

Please refer to Fig. 2 and shown in Figure 6, the 5th body 40 of switch terminal 4 is retained in first holddown groove 14, and 41 of the 6th bodies are housed in first accepting groove 141.Similar with second terminal 3, protruding thorn, holding piece on the 5th body 40 and the 6th body 41 have increased the retain strength of switch terminal 4 in insulation shell 1.It is outer to electrically connect with circuit board that insulation shell 1 extends in the 3rd fishplate bar portion 42.Curved anterior 431 and installation portion 433 of described second elastic arm 43 extends in first accepting groove 141, butting section 434 is resisted against on the inner wall surface of first accepting groove 141 (as shown in Figure 6), 435 of the 4th contact sites extend into second accepting groove 151 and contact with second contact site 215, thereby constitute normally closed switch.The part 6 that backs down that is fixed on the installation portion 433 has the part that extends into accommodation space 10.As shown in Figure 7, when plug terminal 200 inserted accommodation space, plug terminal 200 contacted and backs down part 6, and switch terminal 4 is pressed toward the direction away from accommodation space 10, and then make the disconnection that contacts of the 4th contact site 435 and second contact site 215, thereby this normally closed switch is opened.

In the above-mentioned execution mode, second contact site 215 of the first terminal 2 is arranged on second body 21, and the 4th contact site of switch terminal 4 is arranged on the end at curved rear portion 432, yet the utility model is not limited thereto kind of a mode.Fig. 8, shown in Figure 9 be another better embodiment of the present utility model.The first terminal 2 ' is provided with a flat body 21 ', the front end of this body 21 ' is extending first contact site 23 ', one contact lever 24 extends forward and is spaced a distance with this first contact site 23 ' and parallel from body 21 ', forms second contact site 241 on this contact lever 24.Switch terminal 4 ' comprises a fixed part 41 ', reaches from this curved anterior 42 ' curved rear portion 43 ' that oppositely bends and extend from curved anterior 42 ' of this fixed part 41 ' extension.Wherein, this curved front portion 42 ' is provided with the 4th contact site 421 ', fixes one on the curved rear portion 43 ' and backs down part 6 ', and this backs down part 6 ' is collets, and it has the part of taper.After being installed in the insulation shell, above-mentioned second contact site 241 and the 4th contact site 421 ' butt, thus constitute normally closed switch.Back down part 6 ' and extend into accommodation space 10.When terminal 200 enters the certain depth of accommodation space 10, terminal 200 contacts and backs down part 6 ', thereby switch terminal 4 ' is pressed to direction away from accommodation space 10, with this second contact site 241 is disconnected with the 4th contact site 421 ' and be connected, thereby open the switch of charge circuit.

The above; 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 claim of the present utility model.

Claims

1. a power connector comprises insulation shell, the first terminal, second terminal and switch terminal, and wherein said insulation shell has an accommodation space, in order to hold the insertion of the electric connector that is complementary; Described the first terminal, second terminal and switch terminal are arranged on the described insulation shell; Described the first terminal has first contact site and second contact site, and this first contact site extends into described accommodation space; Described second terminal has the 3rd contact site, and the 3rd contact site extends into described accommodation space; Described switch terminal comprises one the 4th contact site, and the 4th contact site contacts with second contact site, constitutes a normally closed switch with this; It is characterized in that: described switch terminal is provided with one and backs down part, and this backs down part and stretches in the described accommodation space, with disconnection is connected so that the 4th contact site is with second contact site.

2. power connector according to claim 1 is characterized in that: the described part that backs down is collets, and the one end is fixed on the switch terminal, and the other end extends in the accommodation space.

3. power connector according to claim 1 and 2 is characterized in that: described switch terminal comprises a body, reaches from the curved rear portion of this curved anterior oppositely bending extension from the curved front portion that this body extends, and the described part that backs down is arranged on this curved rear portion.

4. power connector according to claim 3 is characterized in that: the 4th contact site of described switch terminal is arranged on the curved front portion.

5. power connector according to claim 4 is characterized in that: described the first terminal also comprises body, and described second contact site is arranged on from the contact lever of the end extension of this body.

6. power connector according to claim 3 is characterized in that: the 4th contact site of described switch terminal is arranged on the curved rear portion.

7. power connector according to claim 6, it is characterized in that: described insulation shell comprises respectively in order to first mounting groove and second mounting groove of switch terminal and the first terminal to be installed, this first mounting groove and second mounting groove have the part of connection, and described the 4th contact site contacts with second contact site by the part of this connection.

8. power connector according to claim 7, it is characterized in that: the body of described switch terminal comprises orthogonal the 5th body and the 6th body, first mounting groove of described insulation shell comprises first holddown groove and first accepting groove that is communicated with this first holddown groove, the 5th body is fixed in first holddown groove, should extend in first accepting groove at curved rear portion, the 4th contact site extends into second mounting groove.

9. power connector according to claim 1 and 2, it is characterized in that: be flat support terminals without exception and be fixed in the insulation shell, this support terminals is provided with the shell fragment that extends in the accommodation space, and this shell fragment can increase the chucking power of electric connector in accommodation space that is complementary.

10. power connector according to claim 2, it is characterized in that: described the first terminal comprises first body and second body, this first body is tabular, second body generally takes the shape of the letter U, described first contact site extends from this second body, and this first body is extended with the first fishplate bar portion.