Electric connector, electric coupler component and terminal
Technical field
The utility model relates to a kind of electric connector, particularly, relates to a kind of be used to the electric connector that connects a wire to circuit board, terminal and electric coupler component with this electric connector.
Background technology
In electronic equipments such as printer, digital camera and video camera, GPS device, panel computer, personal computer for example, for ease of operation, usually the lead that need to use electric connector will be used for transmitting power supply signal for example, to drive the big current signal of signal and so on is connected to printed circuit board (PCB) (PCB), with being electrically connected between realization lead and the printed circuit board (PCB).This electric connector generally comprises for first connector that is electrically connected with lead and second connector that is electrically connected with printed circuit board (PCB), and first connector and second connector combine by grafting, thereby lead is electrically connected on the printed circuit board (PCB).
Usually, comprise the housing of being made by insulating material for first connector that is electrically connected with lead and be installed in female terminal in the housing, that be used for being electrically connected described lead.But when first connector and second connector combined, the female terminal of first connector was electrically connected with the male terminal of second connector.Fig. 1 shows the schematic perspective view of a kind of female terminal for first connector of the prior art.This female terminal 200 is made by technologies such as shearing, punching press, bendings by conductive metal sheet, and comprises main part 201, is formed on a pair of maintaining part 202 on the main part 201 and is formed on a pair of elastic arm 203 on the main part 201.Maintaining part 202 is used for being electrically connected with the lead (not shown) that is connected, and a pair of elastic arm 203 is configured to utilize resilient clamp power to be electrically connected with the male terminal of second connector.
In this first connector 200, owing to only exist one or a pair of elastic arm to be electrically connected with the male terminal of second connector, this is less relatively to the electric current that elastic arm can carry.
The utility model content
For overcoming the defective of above-mentioned or other side of the prior art, the electric coupler component that the utility model proposes a kind of electric connector, terminal and comprise this electric connector, many to elastic arm by arranging at female terminal, can improve the ability of transmission current.
According to the embodiment of an aspect of the present utility model, a kind of electric connector is provided, comprising: first housing; And a plurality of female terminals, be installed in described first housing.Each female terminal comprises: main part; At least one maintaining part is formed on the rearward end of main part, and is configured to and can be electrically connected with a lead; And at least two pairs of elastic arms, be formed on the both sides of the leading section of main part, and be configured to be electrically connected simultaneously with a male terminal of a matching connector.
In above-mentioned electric connector, described elastic arm comprises first pair of elastic arm and is positioned at second pair of elastic arm of the inboard of second pair of elastic arm, and the electrical contacts of first pair of elastic arm roughly aligns respectively in a longitudinal direction with the electrical contacts of second pair of elastic arm.
In above-mentioned electric connector, form the pair of flanges with described main part approximate vertical in the both sides of the horizontal direction of described main part, each described flange comprises internal layer and the skin that one connects, the sidepiece of two described internal layers is lean-in forward respectively tiltedly to extend to form the described first opposite end elastic arm, and two described outer field sidepieces are lean-in forward respectively tiltedly to extend to form the described second opposite end elastic arm.
In above-mentioned electric connector, form a pair of front flange and a pair of back flange with described main part approximate vertical in the both sides of the horizontal direction of described main part, the sidepiece of described front flange is lean-in forward respectively tiltedly to extend to form the described first opposite end elastic arm, and the sidepiece of described back flange is lean-in forward in the outside of described front flange respectively tiltedly to extend to form the described second opposite end elastic arm.
In above-mentioned electric connector, form a pair of front flange and a pair of back flange with described main part approximate vertical in the both sides of the horizontal direction of described main part, the sidepiece of described front flange is lean-in forward respectively tiltedly to extend to form the described second opposite end elastic arm, and the sidepiece of described back flange is lean-in forward in the inside of described front flange respectively tiltedly to extend to form the described first opposite end elastic arm.
In above-mentioned electric connector, described maintaining part comprises two pairs of maintaining parts, and wherein first pair of maintaining part is configured to be electrically connected with the conductor part of described lead, and the second pair of maintaining part is configured to be connected on the protective layer of described lead mechanically to fix described lead.
According to the further embodiment of the utility model, a kind of electric coupler component is provided, comprising: the described electric connector of each in above-described embodiment; And matching connector, comprise second housing and a plurality of male terminals that are installed in described second housing, one end of each male terminal is inserted in the corresponding described female terminal of described electric connector and with the elastic arm of described female terminal and is electrically connected simultaneously, and the other end is electrically connected with circuit board.
In above-mentioned electric coupler component, the both sides of described first housing are respectively equipped with first locking device, the both sides of described second housing are provided with second locking device that cooperates with described first locking device, and described first housing and second housing lock together separably by described first locking device and second locking device.
In above-mentioned electric coupler component, each described first locking device comprises: the joint portion, and first end of described joint portion is connected with the outside one of described first housing; Motion arm, the outside that is roughly parallel to described first housing from second end of described joint portion extends back; And first lock arm, to extend be roughly parallel to the lateral of described first housing from second end of described joint portion before, the inboard of described first lock arm is provided with first locking projection.Each described second locking device comprises: second lock arm extends back from the sidewall of described second housing, and is configured to be inserted between the outside of described first lock arm and first housing; And second locking projection, be arranged on described second lock arm, and be configured to cooperate with described first locking projection, so that described first housing and second housing are locked together separably.
In above-mentioned electric coupler component, described first locking device and second locking device adopt the mode of opening combination to lock together.
According to the utility model embodiment further, provide a kind of for connector terminals, comprising: main part; At least one maintaining part is formed on the rearward end of main part, and is configured to and can be electrically connected with a lead; And the first pair of elastic arm and be positioned at second pair of elastic arm of the inboard of second pair of elastic arm, be formed on the both sides of the leading section of main part, and be configured to be electrically connected simultaneously with a male terminal of a matching connector, and the electrical contacts of first pair of elastic arm roughly aligns respectively in a longitudinal direction with the electrical contacts of second pair of elastic arm.
Electric connector and electric coupler component according to above-mentioned various embodiment of the present utility model, because at the elastic arm that arranges for the female terminal that is connected with male terminal more than two pairs, thereby increased the electrical-contact area of female terminal and male terminal, improved the ability of transmission current.
Description of drawings
For the purpose of this utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments, wherein:
Fig. 1 is the schematic perspective view that a kind of female terminal for first connector of the prior art is shown;
Fig. 2 is the schematic perspective view that illustrates according to the electric connector of a kind of exemplary embodiment of the present utility model;
Fig. 3 is the schematic perspective view that the female terminal of electric connector shown in Figure 2 is shown;
Fig. 4 is the floor map that the preformed sheet metal that is used to form female terminal shown in Figure 3 is shown;
Schematic perspective view after female terminal shown in Figure 5 is connected with lead; And
Fig. 6 is the decomposing schematic representation that illustrates according to the electric coupler component of a kind of exemplary embodiment of the present utility model.
Embodiment
Though fully describe the utility model with reference to the accompanying drawing that contains preferred embodiment of the present utility model, but before describing, this should be appreciated that those of ordinary skill in the art can revise utility model described herein, obtains technique effect of the present utility model simultaneously.Therefore, must understand above description to those of ordinary skill in the art and Yan Weiyi discloses widely, and its content does not lie in the described exemplary embodiment of restriction the utility model.
For example can be applicable in the electronic equipments such as printer, digital camera and video camera, GPS device, panel computer, personal computer according to the electric connector of a kind of exemplary embodiment of the present utility model, to be connected to printed circuit board (PCB) (PCB) be used to the lead that transmits power supply signal for example, drives the big current signal of signal and so on, to realize being electrically connected between lead and the printed circuit board (PCB).Need to prove, for ease of describing, end with the adjacent wires of electric connector 100 and each parts thereof is called " rear end " in this article, to be called " front end " away from an end of lead (i.e. an end of facing with matching connector), and the direction parallel with the direction that lead extends is called " longitudinal direction ", the direction vertical with the direction that lead extends is called " horizontal direction ".
With reference to Fig. 2,3 and 5, according to the electric connector 100 of a kind of exemplary embodiment of the present utility model, be used for by with 10 combinations of pairing electric connector many leads 40 being connected to a circuit board (not shown).This electric connector 100 comprises: first housing 20 of a roughly cuboid of being made by insulating material; And be installed in first housing 20, with many leads 40 corresponding a plurality of female terminals 30 respectively.Each female terminal 30 comprises: main part 1; At least one maintaining part 2 is formed on the rearward end of main part 1, and is configured to be electrically connected with a lead 40; And at least two pairs of elastic arms 3, be formed on the both sides of the leading section of main part 1, and be configured to be electrically connected simultaneously with a male terminal 102 of a matching connector 10.In the utility model, female terminal 30 can be made by technologies such as shearing, punching press, bendings by the single conductive metal sheet of copper and so on.
In electric connector of the present utility model; shown in Fig. 3 and 5; maintaining part 2 comprises two pairs of maintaining parts, and wherein first pair of maintaining part 21 is configured to be electrically connected with the conductor part of lead 40, and the second pair of maintaining part 22 is configured to be connected on the protective layer of lead 40 with fixing cord 40 mechanically.For example; maintaining part 3 is extended to both sides in the rear end of main part 1 and is bent to form; for example can use instrument such as pliers that first maintaining part 21 and second maintaining part 22 are crimped onto respectively on the current-carrying part and protective layer of lead 40, with the mechanical fixation that realizes lead 40 and female terminal 30 be electrically connected.
In the further embodiment of electric connector of the present utility model, elastic arm 3 comprises first pair of elastic arm 31 and second pair of elastic arm 32, described first pair of elastic arm 31 is positioned at the inboard of second pair of elastic arm 32, and the electrical contacts 33 of first pair of elastic arm 31 roughly aligns respectively in a longitudinal direction with the electrical contacts 34 of second pair of elastic arm 32, when male terminal 102 was inserted in the female terminal 30, can make wins electrically contacted with male terminal 102 in an identical manner to elastic arm 31 and second pair of elastic arm 32 like this.
Further, form the pair of flanges 4 with main part 1 approximate vertical in the both sides of the horizontal direction of main part 1, each flange comprises the internal layer 41 and outer 42 that one connects, the sidepiece of two internal layers 41 (front side) is respectively lean-in forward tiltedly to be extended (namely extending opposite to each other from flange) and tiltedly extends to form the second opposite end elastic arm 32 so that the sidepiece (front side) that forms 31, two skins 42 of the first opposite end elastic arm is lean-in forward respectively.The electrical contacts 34 of second pair of elastic arm 32 is positioned at the front portion of the electrical contacts 33 of first pair of elastic arm 31 in a longitudinal direction.
Fig. 4 is the floor map that the preformed sheet metal that is used to form female terminal 30 is shown, and can form preformed metal sheet shown in Figure 4 by a slice sheet metal is sheared, and wherein dotted line is represented to carry out crooked position.On the basis of this preformed metal sheet, at first in the both sides of main part 1 outward extending internal layer 41 being bent upwards makes internal layer 41 be approximately perpendicular to main part 1, from with skin 42 outwardly-bent about 180 degree, make outer 42 roughly to abut in the outside of internal layer 41, thereby form flange 4 again; Afterwards, crooked part of extending from the front side of internal layer 41 and outer 42 suitably again is to form first pair of elastic arm 31 and second pair of elastic arm 32; At last, distinguish crooked part of extending in the rear end of main part 1 again, to form first maintaining part 21 and second maintaining part 22.So just can form female terminal shown in Figure 3 30.Replacedly, also can before forming first elastic arm and second elastic arm, form first maintaining part 21 and second maintaining part 22.
Described first elastic arm 31 and second elastic arm 32 above and be respectively formed at the internal layer 41 of flange 4 and the embodiment on the skin 42, but the utility model is not limited thereto.In a kind of interchangeable embodiment, form a pair of front flange and a pair of back flange with described main part approximate vertical in the both sides of the horizontal direction of main part, the sidepiece of described front flange is lean-in forward respectively tiltedly to extend to form the described first opposite end elastic arm, and the sidepiece of described back flange is lean-in forward in the outside of described front flange respectively tiltedly to extend to form the described second opposite end elastic arm.In the interchangeable embodiment of another kind, form a pair of front flange and a pair of back flange with described main part approximate vertical in the both sides of the horizontal direction of described main part, the sidepiece of described front flange is lean-in forward respectively tiltedly to extend to form the described second opposite end elastic arm, and the sidepiece of described back flange is lean-in forward in the inside of described front flange respectively tiltedly to extend to form the described first opposite end elastic arm.
Shown in Fig. 2 and 6, according to the utility model exemplary embodiment on the other hand, provide a kind of electric coupler component 300, comprising: the electric connector 100 described in the above-mentioned various embodiment; And matching connector 10.Matching connector 10 comprises by insulating material second housing of making 101 and a plurality of male terminals 102 that are installed in second housing 101, one end of each male terminal is inserted in the corresponding female terminal 30 of electric connector 100 and with the elastic arm of female terminal 30 and is electrically connected simultaneously, the other end is electrically connected with the circuit board (not shown), thereby realizes being electrically connected of lead and circuit board.
In the further embodiment of electric coupler component 300 of the present utility model, the both sides of first housing 20 are respectively equipped with first locking device 5, the both sides of second housing 101 are provided with to be adorned 5 with first locking and puts second locking device, 103, the first housings 20 and second housing 101 that cooperate and lock together separably by first locking device 5 and second locking device 103.
More specifically, referring to Fig. 2 and 6, each first locking device 5 comprises: joint portion 51, and first end of described joint portion 51 is connected with the outside one of first housing 20; Motion arm 52, described motion arm 52 outside that 51 second end is roughly parallel to first housing 20 from the joint portion extends back; And first lock arm 53, described first lock arm 53 extends be roughly parallel to the lateral of first housing 20 from second end of joint portion 51 before, and the inboard of first lock arm 53 is provided with first locking projection 54.Like this, operate wall 52 and first lock arm 53 form cantilever design with respect to first housing 20.On the other hand, each second locking device 103 comprises: second lock arm 104, described second lock arm 104 extends back (namely extending towards electric connector 100) from the sidewall of second housing 101, and is configured to be inserted between the outside of first lock arm 53 and first housing 20; And second locking projection 105, described second locking projection 105 is arranged on second lock arm 104, and be formed at electric connector 100 and matching connector 10 in conjunction with the time cooperate with first locking projection 54, so that first housing 20 and second housing 101 are locked together separably, prevent that electric connector 100 from separating with matching connector 10.If desired electric connector 100 is separated with matching connector 10, can push wall 52, making first lock arm 53 is that fulcrum is outwards mobile with respect to first housing 20 with joint portion 51, thereby remove the locking between first locking projection 54 and second locking projection 105, allow male terminal 102 to separate from female terminal 30.
In a kind of interchangeable embodiment, first locking device and second locking device adopt the mode of opening combination to lock together.Be appreciated that in the above-described embodiments electric connector 100 is a kind of socket connectors, and matching connector 10 is a kind of pin connectors.Further, can arrange 3 pairs or more to elastic arm at main part 1.
According to the further embodiment of the utility model, provide a kind of for connector terminals, comprising: main part 1; At least one maintaining part 2 is formed on the rearward end of main part, and is configured to and can be electrically connected with a lead; And the first pair of elastic arm 31 and be positioned at second pair of elastic arm 32 of the inboard of second pair of elastic arm, be formed on the both sides of the leading section of main part, and be configured to be electrically connected simultaneously with a male terminal of a matching connector, and the electrical contacts 33 of first pair of elastic arm roughly aligns respectively in a longitudinal direction with the electrical contacts 34 of second pair of elastic arm.
Electric connector and electric coupler component according to above-mentioned various embodiment of the present utility model, because at the elastic arm that arranges for the female terminal that is connected with male terminal more than two pairs, thereby increased the electrical-contact area of female terminal and male terminal, improved the ability of transmission current.For example, with respect to the female terminal with a pair of elastic arm, the ability with female terminal transmission current of two pairs of elastic arms can improve about one times.
It will be appreciated by those skilled in the art that, embodiment described above is exemplary, and those skilled in the art can make improvements, can carry out independent assortment under the situation of the conflict of the structure described in the various embodiment aspect not recurring structure or principle, thereby on the basis that solves technical problem of the present utility model, realize more kinds of electric connectors, terminal and connector assembly.
After describing preferred embodiment of the present utility model in detail; those skilled in the art can clearly understand; under the protection range that does not break away from claim and spirit, can carry out various variations and change, and the utility model also is not subject to the execution mode of the exemplary embodiment of lifting in the specification.It should be noted that word " comprises " does not get rid of other element or step, and word " " or " one " do not get rid of a plurality of.In addition, any element numbers of claim should not be construed as restriction scope of the present utility model.