CN104466481A - A contact fitting used for a plug connector - Google Patents
A contact fitting used for a plug connector Download PDFInfo
- Publication number
- CN104466481A CN104466481A CN201410457792.5A CN201410457792A CN104466481A CN 104466481 A CN104466481 A CN 104466481A CN 201410457792 A CN201410457792 A CN 201410457792A CN 104466481 A CN104466481 A CN 104466481A
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- CN
- China
- Prior art keywords
- contact
- accessory
- plug
- connector
- force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/112—Resilient sockets forked sockets having two legs
Abstract
The invention relates to a contact fitting (8) used for a plug connector (7). The contact fitting can be fixed to one end of an electrical conductor (6) and be installed into a shell (3). The contact fitting comprises at least two contact elements (80), a matched match fitting (11) used for electrically conducting the contact elements under the circumstance of applying at least one first contact force (F3), and at least one element (83) used for improving the force stream among the contact fitting and the matched contact fitting under the circumstance of applying at least one attached contact force (F1, F2). The contact force (F1, F2) generated on the matched contact fitting through the at least one element and the contact force (F3) generated on the matched contact fitting by the contact elements are decoupled as suggested. By separating the contact force stream, an obvious degree of structure design freedom is obtained, so that mechanical contact and electrically conductive contact between the contact fitting and the matched contact fitting can be optimized.
Description
Technical field
The present invention relates to a kind of contact accessory for plug-in connector, wherein, described contact accessory can be fixed with one end of electric lead and load in housing, there are at least two contact elements, when for being in application to few first contact force, conductive contact can insert the cooperation contact accessory between described contact element, and improves when having at least one for being in application to few supplementary contact power and contact the element that accessory and cooperation contact the power stream between accessory.
Background technology
This plug-in connector is known by prior art for a long time and in order to understand the present invention's also Short Description in FIG better.
Plug-in connector is used for reliably cross-over connection parts ground delivered current.Especially, in automobile making, the use of the transducer and actuator with requirements at the higher level increases day by day.Transducer and actuator to be in equipment (as engine, speed changer etc.) and to be in more and more in these equipment.
Therefore improve the requirement in conduction connection with the stability of the resistance of contact, connector is connected, especially due to very high vibrational loading and ambient temperature.In addition, the quality pursued reduces also to require that connector little as far as possible connects.
The installation that connector connects and grafting are manually carried out usually.Therefore also should be noted that the installation of ergonomics and plug-in connector and the power needed for grafting.
But the expectation realizing little as far as possible mating force with realize due to conduct electricity connective stability and contact force high as far as possible expectation between there is object and conflict.On the one hand, higher contact force forms stable conduction and connects (the relative motion tendency between plug-in connector contact is less), and on the other hand, higher contact force causes the mating force that may no longer can deal with.
In the plug-in connector that Fig. 1 describes, the feature that it has equally " technical field " described in part, the electric contact of socket is designed to spring-like tongue piece, and it ensure that conductive contact because it points to the spring force (contact normal force) of insertable wedge contact.Be additionally provided with tongue-shaped elastic element (
), it is pressed piezoelectric contacts from outside and produces the supplementary contact normal force along equidirectional effect.But the power stream improved thus also causes required mating force to improve undesirably.
DE 10 2,006 014 156 A1 suggested the additional press element on a kind of electric contact acting on contact accessory, is improved the contact normal force acting on and coordinate on contact accessory by described element.
Finally, by the known so-called zero-g plug-in connector (Nullkraft-Steckverbinder) of EP 0 036 264 B1 and DE 10 2,004 015 344 A1.But this plug-in connector has higher structure space requires and construct relative complex.
Common in prior art, be added for conductive contact with for the contact force that more stable mechanical connection produces.
This causes the restriction of structural design in the design of the contact accessory for plug-in connector.
Summary of the invention
Technical problem to be solved by this invention is, expands the contact accessory for plug-in connector be designed for by type of the present invention like this, thus can improve in described shortcoming.
This technical problem is solved by a kind of contact accessory for plug-in connector by the present invention.
The present invention is from the contact accessory for plug-in connector, wherein, described contact accessory can be fixed with one end of electric lead and load in housing, there are at least two contact elements, when for being in application to few first contact force, conductive contact can insert the cooperation contact accessory between described contact element, and improves when having at least one for being in application to few supplementary contact power and contact the element that accessory and cooperation contact the power stream between accessory.
According to the present invention's regulation, can coordinate described the contact force de-coupling each other contacting and accessory produces coordinating the contact force that contact accessory produces with by described contact element by least one element described.
Relative with common in the prior art " simple power stream ", implement " the power stream of separation " in the present invention.
Therefore, suppress the dynamic force from external action and prevent " the main power stream " of the relative motion contacted between accessory with and main power stream " the minor forces stream " of independently setting up real conductive contact separate.
Pass through advised separation (de-coupling) and important advantage can be realized:
Thus, main power stream can be closed by " noncontact face ".These " noncontact faces " are not used in (not at least being mainly used in) conductive contact (even if they can realize this point).For this reason, the side punching press seamed edge of the wedge contact coordinating the cross section of contact accessory rectangular can such as be utilized.Wearing and tearing on " the noncontact face " that caused by dominant touch power are not had an impact to the electric conductivity of real contact-making surface.
Secondary contact force only needs to design corresponding to the mass force itself of required surface pressing and contact element.
Which achieve design freedom.Therefore be expect for higher surface pressing conductive contact, they represent by spherical crown shape contact-making surface when power is less.And in order to accept external force, especially moment of torsion, the line shaped contact surfaces with sector width large is as far as possible favourable.
Pass through advised separating force stream, can implement respectively for main and secondaryly contact favourable shape.Main with secondary contact force is separated, and namely designs independently of one another.The change of a contact force can not affect another contact force.
One expansion design recommendation of the present invention, the position of the contact force produced by described at least one element and the mutual angulation of position of contact force produced by described contact element.The contact accessory configuration of relative compact can be realized in this way.
Alternatively expand design, the position of the contact force produced by least one element described is especially roughly mutually vertical with the position of the contact force produced by described contact element, preferably mutually vertical.Thus can the simple and compact especially contact accessory configuration of implementation structure.
The design that the another kind of inventive concept is suitable for very much specifies, described contact accessory has at least two the first walls and at least two the second walls, an element is had upcountry to extend towards the insertable direction of contact accessory that coordinates respectively from described first wall, a contact element is had upcountry to extend towards the insertable direction of contact accessory that coordinates respectively from described second wall, wherein, described first wall and the second wall are roughly mutually vertical, preferably mutually vertical.
In this way can by suitably changing the structure of known plug-in connector and realizing according to effect of the present invention.
At this advantageously, at least one element design extended internally described is ligule spring.
The contact force expected can be realized thus in a straightforward manner.
If the free end of said ligule spring points to the direction of insertion coordinating contact accessory, then ligule spring plays the effect of barb (Widerhaken), although it makes to coordinate the insertion of contact accessory easier, the machinery dismounting connected may be suppressed consumingly.
But as alternative also maybe advantageously, at least one element design extended internally described be in both sides be connected projection.Stable superiority can be realized thus.
Suitable especially, there are at least two elements extended internally, described element is arranged at a certain distance along coordinating the direction of insertion of contact accessory to observe successive.
This can accept moment of torsion particularly well.
According to the best Alternative designs of one contacting accessory by the present invention, at least one element described is formed transverse to the section bar coordinating the direction of insertion of contact accessory to extend by the wall of described contact accessory respectively.
Contact accessory can be made in this way and coordinate the bearing length between contact accessory to maximize.
Finally, the present invention relates to the female part of a kind of plug-in connector (socket), it has at least one according to contact accessory of the present invention.
This female part can realize the optimal design of Mechanical Contact (main power stream) and conductive contact (minor forces stream).
Therefore, when only using one to contact accessory, single entry plug-in connector can be realized by female part, wherein, multiple according to realizing multiple (multipole) plug-in connector during contact accessory of the present invention in use.
But also should support that having at least one coordinates with at least one the plug-in connector contacting accessory according to contact accessory of the present invention by the present invention.This plug-in connector meets higher electric power and mechanical requirements.
At this, coordinate if described the cross section of contact accessory to have rectangular shape, electric power and mechanical performance can also be improved.
The plug contacts with this shape of cross section is also known as so-called " blade contact ".Described " blade contact " is designed to flat.
Very suitablely at this be, the described cross section of contact accessory that coordinates has rectangular shape, described rectangular shape has spaced first surface and spaced further second, wherein, described first surface for generation of main power stream and described second for generation of minor forces stream.
This blade contact is usually by stamped, and wherein, the side punching press seamed edge of plug is preferred for realizing main power stream.But and be generally used for conductive contact, obviously larger and interval is nearer face is relative, punching press seamed edge has larger distance mutually, therefore can with minimum power undertaking moment of torsion when using these faces to realize main power stream.
Because according to plug-in connector of the present invention detachability only in limited scope (as under repair) be favourable, plug-in connector is typically designed to non-removable connector and connects.If need detachability, then advise arranging specified fracture location in the housing of plug-in connector, as disclosed in DE 101 50975 A1, can in detail with reference to its disclosure at this.
Accompanying drawing explanation
The preferred embodiments of the present invention are shown in the drawings and explain further in the following description.At this, identical Reference numeral represents identical, that similar or function is identical component, wherein, even without repeat specification, also can realize corresponding or similar performance and advantage.In the accompanying drawings respectively schematically:
Fig. 1 illustrates plug-in connector conventionally with side exploded view;
Fig. 2 illustrates the plug-in connector according to the present invention first form of implementation with phantom and to the vertical view in the cooperation contact accessory face for conductive contact;
Fig. 3 illustrates the view observed from the visual angle III Fig. 2, and it strongly simplifies and have rotated 90 °;
Fig. 4 is to illustrate the plug-in connector according to the present invention second form of implementation perpendicular to the half sectional view of direction of insertion; And
Fig. 5 illustrates the view observed from the visual angle V Fig. 4.
Embodiment
First with reference to figure 1.The plug-in connector 1 be made up of socket 2 and plug 4 can be seen in FIG, as known in the art.
Socket 2 has crimp region 20, and it is for being crimped together socket 2 and the electric lead 6 illustrated by a dotted line.
Crimp region 20 is connected with contact area 21, and described contact area has flexibly the socket contact 211 of pretension toward each other, and described socket contact transition is hood-like flexible member 213.Described hood-like flexible member 213 again transition is two tongue-shaped elastic elements 212, described tongue-shaped elastic element by pretension by be pressed on socket contact 211 and for improving the contact normal force (see direction of insertion E) produced in the plug contacts 40 inserting the plug 4 in socket 2 by socket contact 211.
Plug contacts 40 is designed to so-called blade contact and has flat rectangular cross section, wherein, the flat sides being in level in the accompanying drawings both for the formation of conductive contact also for the formation of stable mechanical connection.
In addition, extend latch elements 210 from hood-like flexible member 213, described latch elements is used for socket 2 and shown socket housing 3 to lock.
Plug 4 also has for the fixing similar latch elements of the plug casing 5 with shown.
Illustrate in figs. 2 and 3 according to plug-in connector 7 of the present invention or the first form of implementation according to socket 8 of the present invention.
At this, plug-in connector 7 can be seen from the direction of the direction of insertion E perpendicular to plug contacts 11.
At this, plug contacts 11 is also designed to so-called blade contact and has two be in contact-making surface 111 in figure plane and two perpendicular faces 110 (punching press seamed edge) in the accompanying drawings.
Socket 8 has contact 82, and contact forms the ligule socket contact 80 for the formation of conductive contact.Altogether arrange four from above and below contact the socket contact 80 of described contact-making surface 111.Contact 82 is at least part of again to be surrounded by flexible member 81.
Socket contact 80 is designed to spherical crown shape in its end, thus forms the contact area K1 of point-like.
Secondary contact force F3 (minor forces stream) acts on contact area K1.
Ligule spring element 83 extends from the wall of contact 82 towards face 110, and wherein, spring element 83 to be abutted on face 110 by pretension and is therefore applied in plug contacts 11 by the dominant touch power F1 of side action and F2 (main power stream).
Observe along direction of insertion E, ligule spring element 83 is arranged with spacing a successive.Very well can support moment of torsion thus.
In addition as seen from Figure 2, spring element 83 has free end 84, and described free end points to direction of insertion E and has the effect of barb thus.
Differently also can consider with illustrated embodiment, replace ligule spring element 83 and both sides are set are connected to spring-like projection 83 ' (extended line see illustrating by a dotted line) on the wall of contact 82.
Differently it is also conceivable to illustrated embodiment, spring element 83 or projection 83 ' are designed to one with flexible member 81.
Spring element 83 and projection 83 ' design all like this, thus form wire-shaped contact region K2.
Especially shown in Figure 3, the position of secondary contact force F3 and the position of dominant touch power F1 (or F2) form about 90 ° mutually, are preferably the angle α of 90 °.
Socket 8 and plug contacts 11 remain in socket housing 3 or plug casing 5 (see Fig. 2) in the mode be not shown specifically again.
Socket 8 is preferably by punching press/bending method manufacture.
At this very advantageously, flexible member 81 is made up of purified steel and contact 82 is made of copper.
Also show the particularly advantageous form of implementation of another kind of the present invention in the diagram.
Plug-in connector 12 at this illustrate, it has hood-like socket 13, and the plug contacts 140 (blade contact) with rectangular cross section is inserted in described hood-like socket 13.Plug contacts 140 has contact-making surface 141 and the vertically extending face 142 with it of horizontal-extending.
On the contact-making surface 141 of plug contacts 140, effect has the socket contact 130 being designed to spherical crown shape again, and described socket contact 130 produces secondary contact force F3.Form point-like contacts region K1 thus.The flexible member 131 of socket 13 is equipped with the serpentine section bar P with plug contacts 140 adaptation on its sidewall, described serpentine section bar in the described face 142 of the lower undertaking like this of elasticity pretension (P ') effect, thus forms wire-shaped contact region K2 between seamed edge in face 142 and section bar P.
By contact area K2, power is passed to plug contacts 140, described power additively forms dominant touch power F1, and wherein, the position of dominant touch power F1 and the position of secondary contact force F3 form about 90 degree, is preferably the angle α of 90 degree.
Form section wire PL by section bar P, it stretches out vertical side 142 (punching press seamed edge, also can see Fig. 5) slightly.
The present invention is not limited to above-described embodiment.Described embodiment is only for draw outlines of core concept of the present invention.The present invention also can comprise the content being different from previous embodiment or knowing example in its protection range.At this, the present invention especially also can have the feature of being closed by every groups of individual features of each claim.
List of numerals
1 plug-in connector
2 sockets
20 crimp region
21 contact areas
210 latch elements
211 socket contact
212 tongue-shaped elastic elements
213 hood-like flexible members
3 socket housings
4 plugs
40 plug contacts
5 plug casings
6 electric leads
7 plug-in connectors
8 sockets
80 socket contact
81 flexible members
The wall of 82 contact bodies
83 ligule spring elements
83 ' spring-like projection
The free end of 84 ligule spring elements
11 plug contacts
110 vertical planes
111 horizontal contact face
12 plug-in connectors
13 sockets
130 socket contact
131 flexible members
140 plug contacts
141 horizontal contact face
142 vertical planes
The distance of a contact area
The direction of insertion of E plug
F1, F2 dominant touch power
The secondary contact force of F3
K1 point-like contacts region
K2 wire-shaped contact region
P serpentine section bar
PL section wire
Angle between the position of α dominant touch power and secondary contact force.
Claims (12)
1. one kind for plug-in connector (7; 12) contact accessory (8; 13), wherein, described contact accessory (8; 13) can fix with one end of electric lead (6) and load in housing (3), there are at least two contact elements (80; 130) when, for being in application to few one the first contact force (F3), conductive contact can insert described contact element (80; 130) the cooperation contact accessory (11 between; , and improve contact accessory (8 when there is at least one for being in application to few one supplementary contact power (F1, F2) 140); 13) accessory (11 is contacted with cooperation; 140) element (83 of the power stream between; P), it is characterized in that, by least one element (83 described; P) at cooperation contact accessory (11; 140) the upper contact force (F1, F2) that produces and by described contact element (80; 130) at described cooperation contact accessory (11; 140) the upper contact force (F3) produced de-coupling each other.
2. by according to claim 1 for plug-in connector (7; 12) contact accessory (8; 13), it is characterized in that, by least one element (83 described; The position of the contact force (F1, F2) P) produced and by described contact element (80; 130) the mutual angulation of position (α) of the contact force (F3) produced.
3. by according to claim 2 for plug-in connector (7; 12) contact accessory (8; 13), it is characterized in that, by least one element (83 described; The position of the contact force (F1, F2) P) produced and by described contact element (80; 130) position of the contact force (F3) produced is roughly mutually vertical.
4. by one of aforementioned claim described for plug-in connector (7; 12) contact accessory (8; 13), it is characterized in that, described contact accessory has at least two the first walls (82) and at least two the second walls, has at least one element (83 respectively from described first wall; P) upcountry towards insertable cooperation contact accessory (11; 140) direction extends, and has at least one contact element (80 respectively from described second wall; 130) upcountry towards insertable cooperation contact accessory (11; 140) direction extends, and wherein, described first wall (82) and the second wall are roughly mutually vertical.
5., by the contact accessory (8) for plug-in connector (7) according to claim 4, it is characterized in that, at least one element extended internally (83) described is designed to ligule spring.
6. by the contact accessory (8) for plug-in connector (7) according to claim 5, it is characterized in that, the free end (84) of described ligule spring (83) points to the direction of insertion (E) coordinating contact accessory (11).
7., by the contact accessory (8) for plug-in connector (7) according to claim 4, it is characterized in that, at least one element (83 ') extended internally described is designed to be connected to the projection of both sides.
8. by the contact accessory (8) for plug-in connector (7) that one of aforementioned claim 4 to 7 is described, it is characterized in that, there are at least two elements extended internally (83,83 '), described element is arranged along coordinating the direction of insertion (E) of contact accessory (11) to observe (a) successive ground at a certain distance.
9. by the contact accessory (13) for plug-in connector (12) that one of Claims 1-4 is described, it is characterized in that, described at least one element (P) is formed transverse to the section bar (P) coordinating the direction of insertion of contact accessory (140) to extend by described wall respectively.
10. a plug-in connector (7; 12) female part (3,8; 13), there is at least one by the contact accessory (8 one of aforementioned claim Suo Shu; 13).
11. 1 kinds of plug-in connectors (7; 12), there is at least one by the contact accessory (8 one of aforementioned claim Suo Shu; 13) accessory (11 is contacted with at least one cooperation; 140).
12. by plug-in connector (7 according to claim 11; 12), it is characterized in that, described cooperation contact accessory (11; 140) cross section has rectangular shape, and described rectangular shape has spaced first surface (111; 141) and spaced further second (110; 142), wherein, described first surface (111; 141) for generation of minor forces stream (F1, F2) and described second (110; 142) for generation of main power stream (F3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013218310 | 2013-09-12 | ||
| DE102013218310.0 | 2013-09-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466481A true CN104466481A (en) | 2015-03-25 |
| CN104466481B CN104466481B (en) | 2018-08-10 |
Family
ID=52912117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410457792.5A Active CN104466481B (en) | 2013-09-12 | 2014-09-10 | Contact accessory for plug-in connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466481B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07272783A (en) * | 1994-03-28 | 1995-10-20 | Nec Corp | Connector |
| DE19859740A1 (en) * | 1998-12-23 | 2000-06-29 | Bosch Gmbh Robert | Electrical connector for wire with fitted contact in automotive system, has base unit and cable with crimped connector with formed spring contacts |
| DE20208635U1 (en) * | 2002-06-04 | 2003-10-16 | Bosch Gmbh Robert | Contact element for an electrical connector |
| EP1420481A1 (en) * | 2002-11-13 | 2004-05-19 | Delphi Technologies, Inc. | Connecting element |
| US7048597B2 (en) * | 2003-11-28 | 2006-05-23 | J.S.T. Mfg. Co., Ltd. | Female terminal for heavy current and female terminal for heavy current with shell |
| DE102006009075A1 (en) * | 2006-02-28 | 2007-08-30 | Robert Bosch Gmbh | Electrical connector has compound spring is arranged between contact disk and external wall of contact body, where plugging retainer having contact pin and contact disk which laterally limits plugging retainer |
| CN201060994Y (en) * | 2007-08-01 | 2008-05-14 | 淮南市矿用电子技术研究所 | Connector with a locking member |
| CN102687346A (en) * | 2009-12-03 | 2012-09-19 | 富加宜汽车控股公司 | Electrical terminal |
-
2014
- 2014-09-10 CN CN201410457792.5A patent/CN104466481B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07272783A (en) * | 1994-03-28 | 1995-10-20 | Nec Corp | Connector |
| DE19859740A1 (en) * | 1998-12-23 | 2000-06-29 | Bosch Gmbh Robert | Electrical connector for wire with fitted contact in automotive system, has base unit and cable with crimped connector with formed spring contacts |
| DE20208635U1 (en) * | 2002-06-04 | 2003-10-16 | Bosch Gmbh Robert | Contact element for an electrical connector |
| EP1420481A1 (en) * | 2002-11-13 | 2004-05-19 | Delphi Technologies, Inc. | Connecting element |
| US7048597B2 (en) * | 2003-11-28 | 2006-05-23 | J.S.T. Mfg. Co., Ltd. | Female terminal for heavy current and female terminal for heavy current with shell |
| DE102006009075A1 (en) * | 2006-02-28 | 2007-08-30 | Robert Bosch Gmbh | Electrical connector has compound spring is arranged between contact disk and external wall of contact body, where plugging retainer having contact pin and contact disk which laterally limits plugging retainer |
| CN201060994Y (en) * | 2007-08-01 | 2008-05-14 | 淮南市矿用电子技术研究所 | Connector with a locking member |
| CN102687346A (en) * | 2009-12-03 | 2012-09-19 | 富加宜汽车控股公司 | Electrical terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466481B (en) | 2018-08-10 |
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