CN2549624Y - Connector of power supply - Google Patents

Abstract

The utility model provides a power connector, which comprises an insulative casing, a first terminal, a second terminal and a third terminal. The insulative casing is internally provided with a containing space penetrating through the front and the back end surfaces of the insulative casing, and a first containing room and a second containing room that are respectively communicated with the containing space; the first, the second and the third terminals are respectively arranged in the containing space and the first and the second containing rooms; moreover, the third terminal has a body which is provided with an opening; and one end of the body has an elastic arm extending outwards and reversely turning back to one side of the back to form a contact part; when the third terminal and a matching power connector are mutually and electronically connected, the free end of the elastic arm can convexly 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 on the portable electronic devices (as PDA, notebook computer, mobile phone), 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 74 (this sentences AC transformer 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 (terminal only is shown among the figure), and when the joint 741 of the power connector 74 that is complementary is inserted in the 3rd power connector 73, as shown in Figure 2, can contact with terminal 732, so can obtain required electric energy, yet, the electronic installation volume is light based on pursuing, thin, short, little theory, requirement for each member is meticulous day by day especially, especially the design with power connector 73 is difficult for, therefore how not increasing design cost as far as possible, and do not influencing under the prerequisite of its structure and function and can make that the volume of power connector is more exquisite, is emphasis of the present utility model with the configuration space of all the other elements in the increasing 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 the present 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, one second terminal and one the 3rd 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 a plurality of rooms that communicate with this accommodation space respectively on this perisporium.

The first terminal is arranged in this 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 the room, and second junction surface that has second contact site that can be electrically connected mutually with the power connector that this is complementary and can electrically connect with this circuit board.

The 3rd terminal is arranged in another room, and has a body that is formed with an opening, an end of this body elastic arm that stretches out, and reverse reflex is to a side of this body and form one the 3rd contact site, this terminal has one the 3rd junction surface.

When respectively this terminal was electrically connected mutually with this power connector that is complementary, the 3rd terminal free end of elastic arm can protrude in this opening.

Other technology contents of the present utility model, feature and advantage 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 the power connector that the preferred embodiment and of power connector of the present utility model is complementary is described;

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, accept to come from the power supply of this power connector that is complementary 3, and can make circuit (not shown) operate as normal on the circuit board 2.

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, with 103 left alone without help connections an of perisporium, housing 10 also forms a accommodation space 104 between front end face 101 and rear end face 102 between front end face 101 and the rear end face 102.In the present embodiment, housing 10 roughly is rectangle, 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 109 and one second room 110 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 109 is positioned on the right wall 1044, and second room 110 is positioned at upper wall 1041 places.

The first terminal 11 is a cylinder, has one first contact site 111, and being provided with a ring sleeve portion 113 between one first junction surface, 112, the first contact sites 111 and first junction surface 112, 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 can be arranged in the accommodation space 104 limitedly.In the present embodiment, for reaching the first terminal 1 is subjected to be arranged in the accommodation space 104 spacingly, 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 1 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 perforation 108 the time, 113 limited 107 of ring sleeve portions 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, 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 be electrically connected mutually with the circuit on the circuit board 2, also the first terminal 11 can be strengthened being fixed in the accommodation space 104.

Second terminal 12 is made of a microscler metal lamellar body, and can be inserted in first room 109.Second terminal 12 has a body 121, and is stretched out and rubber-like adjutage 122, is positioned on the adjutage 122 and away from second contact site 123 of body 121 by body 121, and one with second junction surface 124 of body 121 approximate vertical.But second terminal, 12 mat bodies 121 and be positioned first room 109, its second contact site 123 convexedly stretches in the Plug Division 105 of accommodation space 104, can contact with the power connector 3 that is complementary, 124 at its second junction surface convexedly stretches in outside the rear end face 102 of insulation shell 10, can be welded on the circuit board 2, and be electrically connected mutually with circuit on the circuit board 2.

The 3rd terminal 13 can be inserted in second room 110, has a body 131, and on body 131, offer an opening 132, one end of body 131 is extended with the elastic arm 133 that a bending takes the shape of the letter U, the free end leading edge place of elastic arm 133 then is formed with one the 3rd contact site 134, then is extended with the 3rd roughly vertical with body 131 junction surface 135 at the other end of body 131.In the present embodiment, for the 3rd terminal 3 can be fixed in second room 110, can optionally be formed with a plurality of interference parts 136 in the both sides of body 131, in the time of in body 131 is inserted in second room 110, utilize interference part 136 and second room 110 internal face on every side to form destructive interference effect to each other, make the body 131 of the 3rd terminal 13 can be fixed in second room 110,135 at the 3rd 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 be electrically connected mutually.The 3rd contact site 134 then convexedly stretches in the Plug Division 105 of accommodation space 104, can be in contact with one another with the power connector 3 that is complementary, and when the free end of elastic arm 133 during toward the direction displacement of body 131, can be near opening 132, and convexedly stretch in the opening 132.Therefore, though the 3rd contact site 134 has distance with body 131, because the free end of elastic arm 133 can convexedly stretch in the opening 132 after displacement, so the integral thickness of the 3rd terminal 13, can protect near being similar to the two thickness addition of body 131 and elastic arm 133, as shown in Figure 7.

In conjunction with Fig. 6-9, and with regard to the function of terminal, usually the first terminal 11 can receive the positive supply from the power connector 3 that is complementary, second terminal 12 then is as an earthy terminal, 13 of the 3rd terminals are to can be used as a control pin (control pin), in order to when the electric connector 3 that is complementary contacts with the 3rd terminal 13, the circuit on the circuit board 2 promptly predicts this electric connector that is complementary 3 and exists, and enters a fast charge mode.Therefore, when the power connector 3 that is complementary inserts toward the Plug Division 105 in the accommodation space 104, at first can contact with second contact site 123 of second terminal 12, finish landing operation, then contact with the 3rd contact site 134 of the 3rd terminal 13 again, and the free end of pushing elastic arm 133 protrudes in the opening 132, make this situation of circuit perception on the circuit board 2, at last, 3 of 111 power connectors that are complementary of first contact site of the first terminal 11 are sheathed and receive its positive supply, 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 124 of second terminal 12 and the 3rd junction surface 135 of the 3rd terminal 13 are electrically connected (shown in Figure 3) mutually with circuit on the circuit board 2, constitute complete loops, reach the purpose that receives power supply.

In addition, consult Fig. 3-5, if desire to make power connector 1 of the present utility model 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 4th junction surface 154 of fixture 15 2 end leading edges.

Comprehensively above-mentioned, the utility model power connector 1 makes full use of the spatial configuration in the housing 10 and the terminal of difference in functionality is integrated in wherein, more preferably, one of therein offer opening 132 on the terminal, and utilize elastic arm 133 can protrude into the characteristic of opening 132, 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 (9)

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

One insulation shell, perisporium with a front end face, a rear end face, this front end face of connection and this rear end face, reach one and run through the accommodation space of this front end face and this rear end face, and be formed with one first room and one second room that communicates with this accommodation space respectively 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;

One second terminal is arranged in this first room, and second junction surface that has second 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 the 3rd terminal, be arranged in this second room, and have a body that is formed with an opening, an end of this body is outward extended with an elastic arm, and reverse reflex is to a side of this body and form one the 3rd contact site, and this terminal has the 3rd junction surface that can be electrically connected 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 the 3rd terminal protruded 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 one 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 a body and and stretches out and the flexible adjutage of tool from this body, promptly be formed with this second contact site on this adjutage, and the end away from this adjutage is formed with this second junction surface on this body.

5. power connector as claimed in claim 4 is characterized in that, the body both sides of the 3rd terminal are formed with a plurality of interference parts, in order to fix the 3rd terminal in this second room.

6. power connector as claimed in claim 5 is characterized in that, also comprises a fixture that is arranged on this insulation shell, and this fixture also has at least one the 4th junction surface that is connected on this circuit board.

7. power connector as claimed in claim 6, 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 4th junction surface respectively in two end leading edges of this fixture.

8. power connector as claimed in claim 7, 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.

9. power connector is arranged 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 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 respectively a plurality of rooms of being on good terms with this accommodation space on this perisporium;

Many butts, have contact site that can be electrically connected mutually and the junction surface that can be electrically connected respectively with this circuit board with the power connector that this is complementary, the contact site of each terminal is in this accommodation space, wherein, the body of at least one terminal is placed in the room and has an opening, one end of this body elastic arm that stretches out, and reverse reflex is to a side of this body and form this contact site;

When respectively this terminal was electrically connected mutually with this power connector that is complementary, the free end of elastic arm of this at least one terminal protruded in this opening.

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