CN2507159Y

CN2507159Y - Electric connector

Info

Publication number: CN2507159Y
Application number: CN01228542U
Authority: CN
Inventors: 何宜泽
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2001-08-27
Filing date: 2001-08-27
Publication date: 2002-08-21
Anticipated expiration: 2011-08-27

Abstract

The utility model provides an electric connector, comprising an insulating case, a conductive terminal group and at least one securing member. The securing member comprises at least one securing portion fixedly connected with a circuit base plate and a limiting portion connected with the securing portion and used to contact with and limit the insulating case. The fixed connection between the securing portion and the circuit base plate can resist plug-in or the received force of the electric connector when being hit accidentally. The positioning property of the insulating case and of the circuit base plate can thereby be improved and the conductive terminal can be protected from being removed or damaged.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, particularly relates to a kind of electric connector of the polarization when improving electric connector and being electrically connected with a circuit substrate.

Background technology

Fig. 1 and Fig. 2 illustrate the structure of a relevant electric connector 1 and the state when being electrically connected with a circuit substrate 3, this electric connector 1 can supply a mateable electrical connector that is complementary (figure does not show) to peg graft, and then makes this mateable electrical connector to transmit electric signal with circuit substrate 3.This electric connector 1 comprises an insulation shell 10 and and is fixed in conducting terminal group 2 on the insulation shell 10.Wherein, the portion 13 that inserts is led in a Plug Division 12 and that is formed with a body that is rectangle 11 and connection body 11 on this insulation shell 10, and body 11 has one for first 111 of mateable electrical connector contact and one relative with first 111 and in order to second 112 of contact circuit substrate 3, and the two ends of its length bearing of trend respectively have a relative first end 113 and a second end 114, connect first 111 again and extend to the second end 114 places by first end 113 and can form two relative one first lateral margin face 115 and one second lateral margin faces 116, be provided with several terminals that connect first 111 and second 112 in body 11 in addition and bore a hole 117 with second 112.In addition, Plug Division 12 is positioned on first 111 and along outwards protruding away from first 111 direction, it is formed with a composition surface 121 in a side that is same as the first lateral margin face, 115 directions, opposite side with respect to composition surface 121 then forms a back side 122, make composition surface 121 be provided with bore a hole 117 positions and of several corresponding terminals to first 111 of body 11 terminal containing groove 1211 that extends, and composition surface 121 is provided with the fool proof projection 1212 that one day, the first lateral margin face, 115 directions were protruded near a side of the second end 114 of

body

11, and 122 places, the back side then are provided with a blocking groove 1221.This is led and inserts portion 13 and also be positioned on first 111 of body 11 near its first end 113 places to outwards protruding away from first 111 direction in addition, and make itself and 12 of Plug Divisions have a gap, lead and insert portion 13 and then be provided with a guiding conduit 131 near a side of Plug Division 12.In addition, conducting terminal group 2 includes several conducting terminals arranged side by side 21, each conducting terminal 21 has one first contact site 211 and second contact site 212 with respect to first contact site 211, first contact site 211 can ccontainingly be fixed in the relative terminal containing groove 1211 of Plug Division 12, and second contact site 212 then can pass terminal perforation 117 backs of body 11 and be revealed in second 112 outside of body 11.

When electric connector 1 is pegged graft with the mateable electrical connector that is complementary, can move in it with the projection that allows to be relatively arranged on the mateable electrical connector by means of leading the guiding conduit 131 of inserting portion 13, so that mateable electrical connector can be smoothly and Plug Division 12 peg graft, designed fool proof projection 1212 has the effect that prevents that the user from inserting the coupled connector reverse side on the Plug Division 12, after mateable electrical connector is pegged graft with Plug Division 12 fully can by means of the blocking groove 1221 at 12 back sides 122, Plug Division be oppositely arranged on blocking projection on the mateable electrical connector and produce interference and locate, at this moment, mateable electrical connector can electrically contact first contact site 211 of each conducting terminal 21, because of second contact site 212 of conducting terminal 21 is to be welded on the circuit substrate 3, circuit substrate 3 is electrically connected to transmit electric signal with the setting of mateable electrical connector by electric connector 1.

But by above-mentioned relevant electric connector 1 structure, because it only possesses the necessary condition on the specification, whole electric connector 1 and circuit substrate 3 fixing can be finished all-pass and cross second contact site 212 of each conducting terminal 21 and reach with the welding of circuit substrate 3, therefore significantly, in fact the insulation shell 10 of electric connector 1 does not have direct annexation with circuit substrate 3, and because when the mateable electrical connector that is complementary combines with electric connector 1, on the one hand might not based on user's application of force size and direction, and other direction has the reason of leading the portion of inserting 13 designs based on insulation shell 10, the point of application when making grafting often concentrates on to lead to be inserted in the portion 13 and approaching first end 113 positions of inserting portion 13 of leading on the body 11, but insulation shell 10 does not have direct annexation with circuit substrate 3, application of force when so the user pegs graft mateable electrical connector, or the mateable electrical connector after having pegged graft is when being subjected to the collision of horizontal strength, the strength that is produced will all be born with the welding place of circuit substrate 3 by second contact site 212 of each conducting terminal 21, yet the force-bearing situation of each conducting terminal 21 is led first end 113 places and the inequality of inserting portion 13 and body 11 because of the application of force will concentrate on, the conducting terminal 21 that is positioned at away from first end 113 places of body 11 will bear maximum pulling force, and the phenomenon that may cause this conducting terminal 21 to break away from the terminal containing groove 1211 of Plug Division 12 takes place, and causes conducting terminal 21 to make electric connector 1 ineffective with the destruction of circuit substrate 3 welds what is more.So, be necessary under the condition of keeping electric connector 1 specification, to improve its polarization that is connected with circuit substrate 3 in fact based on electric connector 1 and circuit substrate 3 fixed considerations.

The utility model content

Therefore, main purpose of the present utility model is that a kind of electric connector that can further improve its steadiness when being connected with a circuit substrate under original electric connector specification is being provided.

So electric connector of the present utility model comprises an insulation shell, a conducting terminal group and at least one fixture.This insulation shell is roughly similar to known configuration to the conducting terminal group, and be primarily characterized in that: this fixture has that at least one fixed part that is fixed in circuit substrate and one is connected in fixed part and in order to the limiting section of the body of contact and restriction insulation shell, resist by fixed part and circuit substrate affixed and to peg graft or electric connector stressed during accident collision, with the polarization of raising insulation shell and circuit substrate, and then avoid conducting terminal displacement or destruction.

Description of drawings

Other features of the present utility model and advantage in the detailed description of the preferred embodiment that following conjunction with figs. is done, can clearly be understood, in the accompanying drawings:

Fig. 1 is a kind of structure schematic appearance of associated electrical connector.

Fig. 2 is the structure schematic appearance of another angle of the electric connector of Fig. 1.

Fig. 3 is the structure schematic appearance of a preferred embodiment of electric connector of the present utility model.

Fig. 4 is this preferred embodiment of Fig. 3 and the schematic appearance of another angle after circuit substrate is connected.

Fig. 5 is the structure schematic appearance of another preferred embodiment of electric connector of the present utility model, with the outward appearance of explanation by two formed Composite electric connectors of single electric connector.

Fig. 6 is the structure schematic appearance of another preferred embodiment of electric connector of the present utility model, with the outward appearance of explanation by three formed Composite electric connectors of single electric connector.

Fig. 7 be use among Fig. 3 different kenels fixture schematic diagram one.

Fig. 8 be use among Fig. 3 different kenels fixture schematic diagram two.

Embodiment

See also Fig. 3 and shown in Figure 4, a preferred embodiment of electric connector 1 of the present utility model is similar to aforementioned normalized electric connector, consists predominantly of an insulation shell 10, a conducting terminal group 2 and at least one fixture 14.In the following drawings, represent with identical label with aforementioned electric connector identical construction.

This insulation shell 10, the portion 13 that inserts is led in its Plug Division 12 and one that is formed with a body that is rectangle 11 equally and is connected in body 11.This body 11 has one for first 111 of mateable electrical connector contact and one relative with first 111 and in order to second 112 of contact circuit substrate 3 and the two ends of its length bearing of trend respectively have a relative first end 113 and a second end 114, can form two relative one first lateral margin face 115 and one second lateral margin faces 116 and connect first 111 and extend to the second end 114 places by first end 113, and body 11 is provided with several terminals that connect first 111 and second 112 and bores a hole 117 with second 112.And this Plug Division 12 is to be positioned on first 111 and outwards to protrude to the direction away from first 111, it is formed with a composition surface 121 and a back side 122 equally, composition surface 121 is provided with the bore a hole terminal containing groove 1211 of 117 positions of several corresponding terminals, and composition surface 121 also is provided with a

fool proof projection

1212, and 122 places, the back side then are provided with a blocking groove 1221.This is led and inserts portion 13 and also outwards protrude from first 111 of body 11 in addition, and and 12 of Plug Divisions have a gap, lead and insert portion 13 and then be provided with a guiding conduit 131 near a side of Plug Division 12.

This conducting terminal group 2 comprises the conducting terminal 21 of several Zhi Binglie, each conducting terminal 21 has one first contact site 211 and one second contact site 212, first contact site 211 can ccontainingly be fixed in the relative terminal containing groove 1211, and second contact site 212 then can pass the terminal perforation 117 of body 11 and be revealed in second 112 outside of body 11.

This fixture 14 has that at least one fixed part that is fixed in circuit substrate 142 and one is connected in fixed part 142 and in order to the limiting section 141 of contact and restriction body 11, in the middle of this example, limiting section 141 is a  font, fixed part 142 then is positioned at two ends of limiting section 141, make limiting section 141 just can center on contact body 11 first 111 simultaneously near the second end 114 positions, the first lateral margin face 115 and the second lateral margin face 116, and make fixed part 142 with second 112 direction that is same as body 11 with second contact site 212 of each conducting terminal 21 together towards circuit substrate 3 extend and protrude from second 112 outside.

With circuit substrate 3 assemblings the time, cooperate each conducting terminal 21 position to be provided with several welding holes 31 on the circuit substrate 3, and cooperate fixed part 142 positions of fixture 14 then to be provided with the hole 32 that is relatively fixed, because the fixed part 142 of fixture 14 and second contact site 212 of each conducting terminal 21 all protrude in outside second 112 of insulation shell 10, when second contact site 212 of conducting terminal 21 is welded on the circuit substrate 3 through soldering, the fixed part 142 of fixture 14 also is welded on the circuit substrate 3 simultaneously.Thereafter, the blocking groove 1221 of leading the guiding conduit 131 of inserting portion 13 and Plug Division 12 of insulation shell 10 can make the mateable electrical connector that is complementary engage and locate with Plug Division 12 and then make mateable electrical connector electrically contact first contact site 211 of each conducting terminal 21 and be electrically connected with the transmission electric signal with circuit substrate 3.In addition, relative position by fixture 14 restriction insulation shell 10 the second ends, 114 positions and circuit substrate 3, when user's application of force is pegged graft mateable electrical connector or the mateable electrical connector after pegging graft when being subjected to the cross force collision, fixture 14 can be resisted most active force, but not as known configuration, born by conducting terminal 21 completely, so can be under the prerequisite of keeping normalization electric connector structure and can improve the polarization of insulation shell 10 and circuit substrate 3, avoid conducting terminal 21 to be damaged and electric connector 1 was lost efficacy.

In addition, in order further to strengthen the positioning relation of fixture 14 and insulation shell 10, be provided with one by the first lateral margin face 115, first 111 of pile warp and the detent 118 of the second lateral margin face 116 that arrives near the second end 114 positions on the body 11 of insulation shell 10, make limiting section 141 that detent 118 can ccontaining fixture 14 and the relative position of positioning mounting 14 and insulation shell 10.In addition, when pegging graft except connecing device in response to the coupling electricity, the application of force can concentrate on the reason of the first end 113 of leading portion of inserting 13 and insulation shell 10, and mainly fixture 14 is located at outside the second end 114 positions of insulation shell 10, if will further improve the polarization of electric connector 1 and circuit substrate 3, also can use another fixture 14 ' more simultaneously, be placed in the Plug Division 12 of insulation shell 10 in the same manner and lead and insert in the middle of 13 formed gaps of portion, make insulation shell 10 also can be fixed near first end 113 places, guarantee the steadiness of electric connector 1 on circuit substrate 3 more, and be in response to the setting of fixture 14 ' herein, insulation shell 10 in the Plug Division 12 and the interstitial site places that lead in the middle of the portion that inserts 13 also can be provided with a location groove 118 ', with the relative position of positioning mounting 14 ' with insulation shell 10.

Moreover, as Fig. 4 and shown in Figure 5, the structure of above-mentioned electric connector 1 can be considered as an assembled unit, utilize the mutual combination of two or more electric connector 1 structure and can form a kind of Composite electric connector, and once can peg graft for two or more relative coupling electric connectors, the mode of its combination then is to utilize the first end 113 of body 11 of single electric connector 1 or the second end 114 to combine to form the structure of one with the second end 114 or the first end 113 of the body 11 of adjacent electric connector 1, wherein, the application of fixture 14 is identical with the set-up mode of single electric connector 1, promptly repeats no more in this.

In addition, fixture 14 also can optionally adopt different versions, below enumerate the mode of several possible, as shown in Figure 7, it is one I-shaped that limiting section 141 can roughly be, certainly also can be other shapes to be fastened in the hole clipping 119 that is oppositely arranged on the body 11, fixed part 142 then is connected in an end of limiting section 141, make fixed part 141 just can pass hole clipping 119 and make its with second 112 direction that is same as body 11 with second contact site 212 of each conducting terminal 21 together towards circuit substrate 3 extend and protrude from second 112 outside, pass welding hole 31 and when being welded in circuit substrate 3 by means of second contact site 212 of conducting terminal 21, fixed part 142 is passed be relatively fixed hole 32 and be welded on the circuit substrate 3, and fixture 14 ' also can be adopted same way as and cooperates hole clipping 119 '.In addition, also can be as shown in Figure 8, the fixed part 142 of fixture 14 can protrude outside end forms the two-phase subtend and the hook portion 1421 of elastically deformable, make fixed part 142 pass the hole clipping 119 of body 11 and protrude from the fixing hole 32 that can further insert after second 112 on the circuit substrate 3, strain by hook portion 1421 can be snapped in fixing hole 32 and be positioned on the medial margin of circuit substrate 3 another sides, so also can realize the fixation of 3 of insulation shell 10 and circuit substrates.And in the same manner, utilize above-mentioned fixture 14 forms also can form Composite electric connector equally.

Comprehensively above-mentioned, the main structure that has increased fixture 14 that is characterised in that of the utility model, can be simultaneously when the conducting terminal 21 of electric connector 1 carries out weld job with circuit substrate 3 by solid welding or be fastened on the circuit substrate 3, make insulation shell 10 can be directly and circuit substrate 3 produce firm annexation, do not needing significantly to revise under the prerequisite of electric connector 1 structure and manufacturing process, make electric connector 1 obtain best steadiness, corresponding reliability of using also can significantly promote.

The above person of thought, it only is preferred embodiment of the present utility model, and should not limit the scope that the utility model is implemented with this, wherein the form of fixture can be as illustrating described form, and can be changed with design, as long as reach the purpose that restriction insulation shell and circuit substrate relatively move, promptly the simple equivalent of being done according to the utility model application claims and utility model description generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. an electric connector is characterized in that being electrically connected on a circuit substrate and the grafting of confession one mateable electrical connector, and this electric connector comprises:

One insulation shell, the portion of inserting is led in its Plug Division and one that is formed with a body that is rectangle and is connected in this body;

This body has one for first of the contact of this mateable electrical connector and one relative with this first and in order to contact second of this circuit substrate, and the two ends of its length bearing of trend respectively have a relative first end and a second end, connect this first and extend to the second end place with this second by this first end and can form two relative one first lateral margin face and one second lateral margin faces, and this body be provided with several connect this first with second terminal perforation;

This plugging position goes up and to outwards protruding away from this direction of first in this first, it is formed with the opposite side of locating with respect to this composition surface on a composition surface in a side that is same as this first lateral margin face direction and then forms a back side, make this composition surface be provided with several to should the terminal punch position and be provided with a fool proof projection that protrudes to this first lateral margin face to the terminal containing groove of first extension of this body and this composition surface near a side of the second end of this body, this place, back side then is provided with a blocking groove;

This is led the portion that inserts and also is positioned at first of this body and goes up near this first end place to outwards protruding away from this first direction and making between its and this Plug Division and have a gap, and this is led the portion of inserting and then is provided with one near a side of this Plug Division and guides conduit;

One conducting terminal group, the conducting terminal that comprises several Zhi Binglie, each conducting terminal has one first contact site and second contact site with respect to this first contact site, this first contact site can ccontainingly be fixed in the relative terminal containing groove of this Plug Division, this second contact site then can pass the terminal perforation of this body and be revealed in second outside of this body, lead the guiding conduit of the portion that inserts and the blocking groove of this Plug Division can make this mateable electrical connector engage and locate with this Plug Division by means of this, and then making this mateable electrical connector electrically contact this first contact site, this second contact site then can be electrically connected with this circuit substrate; And

At least one fixture, this fixture have that at least one fixed part that is fixed in this circuit substrate and one is connected in this fixed part and in order to contact and limit the limiting section of this body, improve the polarization of this insulation shell and this circuit substrate thus.

2. electric connector as claimed in claim 1, it is characterized in that, the limiting section of this fixture is a  font, this fixed part then is positioned at wherein terminal or two ends of this limiting section, make this limiting section just can contact first of this body, the first lateral margin face and the second lateral margin face, and this fixed part is extended towards this circuit substrate with second direction that is same as this body protrude and be fixed on this circuit substrate.

3. electric connector as claimed in claim 2, it is characterized in that, this body is provided with one by this first lateral margin face, through this first and the detent of this second lateral margin face that arrives near this second end position, makes the limiting section that this detent can ccontaining this fixture and locatees the relative position of this fixture and this insulation shell.

4. electric connector as claimed in claim 2, it is characterized in that, this body is positioned at the interstitial site place that this Plug Division and this lead in the middle of the portion of inserting can further be provided with a location groove, makes the limiting section that this detent can ccontaining this fixture and locatees the relative position of this fixture and this insulation shell.

5. electric connector as claimed in claim 1, it is characterized in that, the limiting section of this fixture can be equipped in the hole clipping that is oppositely arranged on this body, this fixed part then is connected in this limiting section one end, this fixed part is extended towards this circuit substrate with second direction that is same as this body protrude and be fixed on this circuit substrate.

6. electric connector as claimed in claim 5 is characterized in that, the fixed part end of this fixture is provided with the hook portion of outer protrusion of two-phase subtend and elastically deformable, is snapped in the fixing hole that is oppositely arranged on this circuit substrate by means of this hook portion.

7. Composite electric connector, by the combination of at least two electric connector as claimed in claim 1 institutes, it is characterized in that the second end of the electric connector that first end that this electric connector can its body or the second end are adjacent with another or first end mutually combine and be one.

8. Composite electric connector as claimed in claim 7, it is characterized in that, the limiting section of this fixture is a  font, this fixed part then is positioned at wherein terminal or two ends of this limiting section, make this limiting section just can contact first of this body, the first lateral margin face and the second lateral margin face, and this fixed part is extended towards this circuit substrate with second direction that is same as this body protrude and be fixed on this circuit substrate.

9. Composite electric connector as claimed in claim 7, it is characterized in that, respectively the body of this electric connector is provided with one by this first lateral margin face, through this first and the detent of this second lateral margin face that arrives near its second end position, makes the limiting section that this detent can ccontaining this fixture and locatees the relative position of this fixture and this insulation shell.

10. Composite electric connector as claimed in claim 8, it is characterized in that, this body is positioned at the interstitial site place that this Plug Division and this lead in the middle of the portion of inserting can further be provided with a location groove, makes the limiting section that this detent can ccontaining this fixture and locatees the relative position of this fixture and this insulation shell.