CN2549606Y

CN2549606Y - Connector of power supply

Info

Publication number: CN2549606Y
Application number: CN02234066U
Authority: CN
Inventors: 谢光荣
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2002-05-18
Filing date: 2002-05-18
Publication date: 2003-05-07
Anticipated expiration: 2012-05-18

Abstract

The utility model provides a connector of power supply, comprising an insulating shell, a first terminal and a second terminal; the insulating shell is internally provided with a containing space passing through the front and the rear ends of the insulating shell, and a first containing chamber which is communicated with the containing space; the first terminal is arranged inside the containing space, while the second terminal is positioned inside the first containing chamber; and the second terminal has a body which is excavated with an opening, and one end of the body stretches out an elastic arm which reversely turns back to one side of the body to shape a contacting part; when the second terminal is electrically connected with a matching connector of power supply, the free end of the elastic arm can extend into the opening.

Description

Power connector

Technical field

The utility model provides a kind of power connector, particularly a kind of power connector that is applicable to portable electronic devices.

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 portable electronic devices (as PDA, notebook computer, mobile phone) is gone up except battery being arranged momently the power supply, more be equipped with power connector and be used for making the battery electric power storage, or, make that electronic installation can operate as normal directly to the electronic component power supply in the electronic installation.

Consult Fig. 1, on a kind of bottom of known mobile phone 7, be equiped with a plurality of power connectors, wherein, first power connector 71 is on the battery that is used for being connected in the automobile, so that mobile phone 7 can be in a charged state, in addition, general second source connector 72 commonly used is to be used on the charger (being that general so-called seat fills), the 3rd power connector 73 then can be connected with the power connector 84 (this sentences AC transformation and represents) that is complementary, and sustainable power supply gives the circuit of mobile phone 7 inside.And in the design of the 3rd power connector 73, generally normally comprised a housing 731, and a plurality of terminals 732 as shown in Figure 2, can contact with terminal 732 when being inserted in the 3rd power connector 73, so can obtain required electric energy.Yet, based on pursuing light, thin, short, the little theory of electronic installation volume, requirement for each member is meticulous day by day especially, especially the design with power connector 73 is difficult for, therefore how design cost can not increased as far as possible, and not influencing and can make more smart of the volume of power connector under the prerequisite of its structure and function, is emphasis of the present utility model with the configuration space that strengthens all the other elements in the electronic installation.

Summary of the invention

Therefore, the purpose of this utility model is to provide a kind of power connector of volume exquisiteness.

Another purpose of utility model is to provide a kind of not to be increased design cost and can have the more power connector of small size.

For this reason, power connector of the present utility model is arranged on the circuit board and can be connected with a power connector that is complementary, and this power connector comprises an insulation shell, a first terminal and one second terminal.

Insulation shell has the perisporium that two opposing end faces and connect both ends of the surface, and this perisporium defines one and runs through the accommodation space of these both ends of the surface, and is formed with public first room that does not communicate with this accommodation space on this perisporium.

The first terminal is arranged in the accommodation space limitedly, and first junction surface that has first contact site that can electrically connect mutually with this power connector that is complementary and can electrically connect with this circuit board.

Second terminal is arranged in first room, and has a body that is formed with an opening, one end of this body is outward extended with an elastic arm, and reverse reflex forms second contact site that can electrically connect mutually with this power connector that is complementary to a side of this body, and this terminal has second junction surface that can electrically connect with this circuit board.

When respectively this terminal and this power connector that is complementary electrically connected mutually, the free end of elastic arm of this second terminal can protrude in this opening.

Other technology contents, feature and the advantage of utility model are being described in detail below in conjunction with the preferred embodiment shown in the accompanying drawing.

Description of drawings

Fig. 1 is a stereogram, and the power connector that the power connector and on the known mobile phone is complementary is described;

Fig. 2 is a cutaway view, and the situation that a known power connector is connected with a power connector that is complementary is described;

Fig. 3 is a stereogram, and what illustrate that the preferred embodiment and of power connector of the present utility model is complementary is source connector;

Fig. 4 is that this preferred embodiment is along the three-dimensional exploded view shown in 4 directions of the arrow among Fig. 3;

Fig. 5 is a stereogram, and an insulation shell of this preferred embodiment is described;

Fig. 6 is the cutaway view that this preferred embodiment is got along the 6-6 hatching among Fig. 3;

Fig. 7 is a cutaway view, and the situation that this power connector that is complementary matches with this preferred embodiment is described;

Fig. 8 is the front view of this preferred embodiment; And

Fig. 9 is a front view, and the situation that this power connector that is complementary matches with this preferred embodiment is described.

The description of embodiment

Consult Fig. 3, power connector 1 of the present utility model is set on the circuit board 2, and can be electrically connected mutually with a power connector that is complementary 3, accepting power supply, and can make circuit (figure does not show) operate as normal on the circuit board 2 from this power connector that is complementary 3.

In conjunction with Fig. 4～6, one preferred embodiment of power connector 1 of the present utility model comprises an insulation shell 10, having one can be for front end face 101, a rear end face 102 of power connector 3 insertions that are complementary, be connected with a perisporium 103 between front end face 101 and the rear end face 102, and housing 10 forms an accommodation space 104 that is positioned at 102 of front end face 101 and rear end faces.Housing 10 roughly is rectangle in the present embodiment, so the perisporium 103 of housing 10 can be divided into upper and lower, left and right wall.In addition, form a limiting section 107 near rear end face 102 places in housing 10, in the present embodiment, limiting section 107 is made of the upwardly extending lamellar body of lower wall one, forms a perforation 108 on limiting section 107, its Action Specification as after.Limiting section 107 is partitioned into accommodation space 104 one big and in preceding Plug Division 105 of pegging graft for the power connector 3 that is complementary, and one less and after holding part 106.Housing 10 forms one first room 110 and one second room 109 that communicates with the Plug Division 105 of accommodation space 104 again on the perisporium 103 of 102 of front end face 101 and rear end faces.First room 110 is positioned on the upper wall 1041, and second room 109 is positioned at right wall 1044 places.

The first terminal 11 is a cylinder, has one first contact site 111, and height has a ring sleeve portion 113 between one first junction surface, 112, the first contact sites 111 and first junction surface 112, and the diameter of ring sleeve portion 113 is big than the diameter at first contact site 111 and first junction surface 112.The first terminal 11 is lovely to be arranged in the accommodation space 104 spacingly.In the present embodiment, for reaching the first terminal 11 is arranged in the accommodation space 104 limitedly, the mode of being taked is the limiting section 107 that utilizes in the housing 10.Because the diameter of perforation 108 only allows that first contact site 111 passes through, therefore, first contact site 111 of the first terminal 11 can pass perforation 108, and convexedly stretches in limitedly in the Plug Division 105 of accommodation space 104.And the diameter of ring sleeve portion 113 is big than the diameter at first contact site 111 and first junction surface 112, so, when first contact site 111 passes hole 108,113 limited 107 of ring sets stop, make first junction surface 112 of the first terminal 11 be subjected to spacing status in the holding part 106 of accommodation space 104.

One electric-conductor 14, the pin 142 that has a conducting strip 141 and stretch by conducting strip 141 1 epitaxial lateral overgrowths, and conducting strip 141 is provided with a perforation 143, make on its first junction surface 112 that can be sheathed on the first terminal 11 contiguously, and can cooperate limiting section 107 and the first terminal 11 is located in wherein, on the other hand, electric-conductor 14 can be welded on the circuit board 2 by pin 142, therefore except making that the first terminal 11 can electrically connect mutually with the circuit on the circuit board 2, more the first terminal 11 can be strengthened being fixed in the accommodation space 104.

Second terminal 12 can be inserted in first room 110, has a body 121, and on body 121, offer an opening 122, one end of body 121 is extended with the elastic arm 23 that a bending takes the shape of the letter U, the free end leading edge place of elastic arm 23 then is formed with one second contact site 124, then is extended with second roughly vertical with body 121 junction surface 125 at the other end of body 121.On the body 121 between second junction surface 125 and elastic arm 123, form an outward extending and rubber-like adjutage 26 again, and one is positioned on the adjutage 126 and away from the 3rd contact site 127 of body 121.Therefore, when second terminal 12 is arranged in the insulation shell 10, body 121 promptly is inserted in first room 110, adjutage 126 is then inserted high in second room 109, make second contact site 124 and the 3rd contact site 127 be positioned at the Plug Division 105 of accommodation space 104, can be in contact with one another with the power connector 3 that is complementary, promptly adopt multijunction mode with the power connector guaranteeing second terminal 12 and be complementary 3 electrical connection between the two.In the present embodiment, for second terminal 12 is fixed in first room 110, can optionally be formed with a plurality of interference parts 128 in the both sides of body 121, in the time of in body 121 is inserted in second room 109, utilize interference part 128 and first room 110 internal face on every side to form destructive interference effect to each other, make the body 121 of second terminal 12 can be fixed in first room 110,125 at second junction surface convexedly stretches in outside the rear end face 102 of insulation shell 10, can be welded on the circuit board 2, by this with circuit board 2 on circuit electrically connect mutually.On the other hand, when second contact site 124 was not in contact with one another with the power connector 3 that is complementary, the free end of elastic arm 123 can be toward the direction displacement of body 121, and convexedly stretched in the opening 122 near opening 122.Therefore, though second contact site 124 has distance with body 121, because the free end of elastic arm 123 can convexedly stretch in the opening 122 after displacement, so the integral thickness of second terminal 12, can keep being similar to the two thickness addition of body 121 and elastic arm 123, shown in Figure 7.

In conjunction with Fig. 6～9, in general, the first terminal 11 can receive the positive supply that comes from the power connector 3 that is complementary, and second terminal 12 then can be used as earthy terminal; Therefore, when the power connector 3 that is complementary inserts toward the Plug Division 105 in the accommodation space 104, can contact with second contact site 124 of second terminal 12 earlier, finish the action of ground connection, and the free end of pushing elastic arm 123 stretches in the opening 122, on the other hand, the 3rd contact site 127 on the adjutage 126 also can contact with the power connector 3 that is complementary, can guarantee more that ground connection property is errorless, at last, 3 of the power connectors that first contact site 111 of the first terminal 11 front ends can be complementary are sheathed, thereby can receive the power supply that comes from the power connector 3 that is complementary, therefore, can see through above-mentioned terminal receives and comes from the power supply that the power connector 3 that is complementary is transmitted, and more respectively by the pin 142 of electric-conductor 14, second junction surface 125 of second terminal 12 electrically connects (as shown in Figure 3) mutually with the circuit on the circuit board 2, constitutes complete loops, reaches the purpose that receives power supply.

In addition, consult Fig. 3～5, if desire to make this creation power connector 1 more to be fixed on the circuit board 2, the also alternative fixture 15 that outside housing 10, is provided with, fixture 15 has comprised a body 151 that is the reverse U shape shape, and on an end of body 151, offer an opening 152, then be formed with an elastic arm 153 on the other end, and for housing 10 can be matched with fixture 15, so on perisporium 103 both sides of housing 10, be formed with a projection 1031 and a groove 1032 accordingly, therefore, can be earlier the opening 152 of fixture 15 be fastened on the projection 1031, again that the other end of fixture 15 is close toward housing 10 directions, and elastic arm 153 is convexedly stretched in the groove 1032, make fixture 15 be fixed on the housing 10, and fixture 15 is welded on the circuit board 2, promptly utilized fixture 15 and power connector 1 is strengthened being fixed on the circuit board 2 with the 3rd junction surface 154 of fixture 15 2 end leading edges.

In sum, power connector 1 of the present utility model makes full use of the spatial configuration in the shell complete 10 and the terminal of difference in functionality is integrated in wherein, more preferably, offer opening 122 on the terminal therein, and utilize elastic arm 123 can protrude into the characteristic of opening 122, when the power connector 3 that is complementary is inserted in the power connector 1, with respect to known the 3rd power connector 73 (consulting Fig. 2), promptly effectively lowered the required space of terminal, therefore, can not need significantly to change under the prerequisite of design, make the whole height of power connector 1 reduce, and can guarantee its with power connector 1 between be electrically connected well, reach the purpose of saving cost and reduced volume really.

Claims

1. power connector is set on the circuit board and can be connected with a power connector that is complementary, and it is characterized in that this power connector comprises:

One insulation shell has the perisporium that a front end face, a rear end face, connect this front end face and this rear end face, reaches one and runs through the accommodation space of this front end face and this rear end face, and be formed with one first room that communicates with this accommodation space on this perisporium;

One the first terminal is arranged in this accommodation space limitedly, and first junction surface that has first contact site that can be electrically connected mutually with the power connector that this is complementary and can be electrically connected with this circuit board; And

One second terminal, be arranged in this first room, and has a body that is formed with an opening, one end of this body is outward extended with an elastic arm, and reverse reflex is to a side of this body and form second contact site that can be electrically connected mutually with the power connector that this is complementary, and this terminal has second junction surface that can electrically connect with this circuit board;

When respectively this terminal was electrically connected mutually with this power connector that is complementary, the free end of elastic arm of this second terminal can protrude in this opening.

2. power connector as claimed in claim 1 is characterized in that, is formed with a limiting section in this insulation shell, and is formed with a perforation that communicates with this accommodation space on this limiting section, and this perforation can wear and fix this first terminal for this first terminal.

3. power connector as claimed in claim 2, it is characterized in that, also comprise an electric-conductor that can be sheathed on this first terminal, this electric-conductor has a conducting strip and from the outward extending pin of this conducting strip, and this pin can be welded on this circuit board and make the first terminal be electrically connected mutually with this circuit board.

4. power connector as claimed in claim 3, it is characterized in that, this second terminal also has one and stretches out and the flexible adjutage of tool from this body, and is formed with the 3rd contact site that can be electrically connected mutually with the power connector that this is complementary on this adjutage.

5. power connector as claimed in claim 4 is characterized in that, the body both sides of this second terminal are formed with a plurality of interference parts, in order to fix this second terminal in this first room.

6. power connector as claimed in claim 5 is characterized in that, also is formed with one second room on the perisporium of this insulation shell, in order to insert the adjutage of this second terminal.

7. power connector as claimed in claim 6 is characterized in that also comprising a fixture that is arranged on this insulation shell, and this fixture has at least one the 3rd junction surface that is connected on this circuit board.

8. power connector as claimed in claim 7, it is characterized in that this fixture has a body, and be formed with an opening on body one end of this fixture, then be formed with an elastic arm on the other end, and form the 3rd junction surface respectively in two end leading edges of this fixture.

9. power connector as claimed in claim 8, it is characterized in that, be formed with a projection that matches with the opening of this fixture body on the perisporium of this insulation shell, and a groove that matches with the elastic arm of this fixture body, this fixture is fastened on this perisporium.