CN201259954Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector, comprising an insulating body which is provides with a plurality of terminal containing holes; a plurality of sets of electric-conducting terminals which are respectively contained in the terminal containing holes, one set of electric-conducting terminals comprise a first electric-conducting terminal and a second electric-conducting terminal which is matched with the first electric-conducting terminal; wherein, the second electric-conducting terminal comprises a second connection-conducting part, a second abutting-joint part and an elastic arm; the first electric-conducting terminal comprises a first connection-conducting part, a first abutting-joint part which is obliquely connected and conducted with the second abutting-joint part in a sliding way, the elastic arm supports the first abutting-joint part and is obliquely force-applied to the first abutting-joint part. In the electric connector, when an abutting-joint electronic component is connected and conducted with a first electric-conducting terminal, the elastic arm produces oblique side thrusting force to the first electric-conducting terminal; the oblique side thrusting force leads the first electric-conducting terminal to be provided with positive pressure to the second electric-conducting terminal, thus reducing the produced impedance and ensuring good contact with the first electric-conducting terminal and the second electric-conducting terminal.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector.

[background technology]

In electron trade, a lot of electronic building bricks interconnect by electric connector, at present, a kind of electric connector of generally adopting of industry comprises the all-in-one-piece insulating base frame that cooperatively interacts, lid and be assembled in the first terminal, second terminal and compression spring in the accommodation hole of insulating base frame insulate.Wherein said first, second terminal is arranged at the two ends of described compression spring respectively, and its contact jaw is exposed to described insulating base frame respectively and described insulating lid is external, can be with the signal transmission that is connected in described first, second terminal two ends.

Yet there is the place that remains to be improved in this electric connector, and promptly because described first, second terminal is resisted against the two ends of described compression spring simply, with the transmission that makes that electric current is fluctuated, thereby signal is stable when having influence on communication; In addition, described first, second terminal is arranged at the two ends of described compression spring respectively, for making described compression spring energy elastic telescopic, the accommodation hole that holds described the first terminal, second terminal and described compression spring of described insulating base frame is generally done greatlyyer, yet this makes the contact defective tightness of described the first terminal, second terminal, make that the positive force between the contact site of described the first terminal, second terminal is less, the impedance that is produced is bigger, thereby causes the transmission of normal current to be affected.

In view of the foregoing, be necessary to design a kind of new electric connector, to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of communication signal the stable and little electric connector of impedance.

The utility model electric connector electrically connects one first butt joint electronic component and docks electronic component with one second, comprising: an insulating body, and it has a plurality of terminal accommodation holes; A plurality of conducting terminal groups, correspondence is contained in the described terminal accommodation hole respectively, each described conducting terminal group comprises one first conducting terminal and second conducting terminal that matches with described first conducting terminal, wherein said second conducting terminal comprise one with described second second junction that connects mutually of butt joint electronic component, one second docking section and an elastic arm, described first conducting terminal comprise one with described first first junction that connects mutually of butt joint electronic component, and one obliquely slide and connect first docking section of described second docking section, described elastic arm supports described first docking section, forces in described first docking section with oblique; By this, when described first conducting terminal and described second conducting terminal are corresponding respectively when dock electronic component and described second with described first and docking the electronic component electric connection, described elastic arm produces an oblique side-thrust to first docking section of described first conducting terminal, guarantees that described first docking section of described first conducting terminal contacts well with described second docking section of described second conducting terminal.

Compared with prior art, the utility model electric connector, described second conducting terminal is provided with an elastic arm that supports described first docking section, when described first conducting terminal and described second conducting terminal dock electronic component and the described second butt joint electronic component respectively and electrically connect with described first, described elastic arm produces an oblique side-thrust to first docking section of described first conducting terminal, this oblique side-thrust makes described first docking section of described first conducting terminal have a normal pressure all the time to described second docking section of described second conducting terminal, reduced the impedance that is produced, described first docking section of guaranteeing described first conducting terminal contacts well with described second docking section of described second conducting terminal, and then the holding current normal transmission, provide clear, stable communication effect.

[description of drawings]

Fig. 1 is the sectional perspective schematic diagram of the utility model electric connector;

Fig. 2 is the sectional perspective schematic diagram of the insulating body of electric connector shown in Figure 1;

Fig. 3 is the schematic perspective view of the conducting terminal group of electric connector shown in Figure 1;

Fig. 4 is the partial schematic sectional view of electric connector shown in Figure 1;

The partial schematic sectional view that Fig. 5 connects mutually for electric connector shown in Figure 1 and the first butt joint electronic component and the second butt joint electronic component;

Fig. 6 is under electric connector shown in Figure 1 and the first butt joint electronic component and the second butt joint electronic component situation about connecting mutually, and the docking section of a conducting terminal is provided with groove in the conducting terminal group, 2 state of contact schematic diagrames of two conducting terminals formation.

[embodiment]

Below in conjunction with the drawings and specific embodiments the utility model electric connector is further elaborated.

Referring to figs. 1 through Fig. 6, the utility model electric connector 1, be used to electrically connect the first butt joint electronic component 200 and dock electronic component 300 with second, the described first butt joint electronic component 200 has a plurality of first contact zones 201, the described second butt joint electronic component 300 has a plurality of second contact zones 301, described electric connector 1 comprises an insulating body 2, and be arranged at least one conducting terminal group 3 and at least one tin ball 4 in the described insulating body 2, wherein each conducting terminal group 3 comprises first conducting terminal 31 and second conducting terminal 32.

As depicted in figs. 1 and 2, described insulating body 2 is a plate body, it adopts on-deformable plastics to make, and described insulating body 2 is provided with at least one terminal accommodation hole 21 of accommodating described conducting terminal group 3, and described terminal accommodation hole 21 runs through described insulating body 2 upper and lower surfaces.Described terminal accommodation hole 21 1 sidewalls are provided with a guide ramp 22 and a holding section 23, the upper surface of described guide ramp 22 contiguous described insulating bodies 2.Described terminal accommodation hole 21 is one stepped in another sidewall relative with described sidewall.In the present embodiment, described insulating body 2 is concaved with at least one tin ball accommodation hole 24 in the bottom, each tin ball accommodation hole 24 corresponding described terminal accommodation hole 21 that are communicated with.

Extremely shown in Figure 6 as Fig. 3, described first conducting terminal 31 contacts with described second conducting terminal, 32 rigidity, described in the present embodiment first conducting terminal 31 is non-resilient plates, without any bending, and described non-resilient plates can not be out of shape yet when operation, so the quality of material mechanical property just is not the emphasis that material is selected, so described first conducting terminal 31 can be high conductivity material and forms, in the present embodiment, the material of described first conducting terminal 31 is selected the pure red metal of high conductivity, thereby described first conducting terminal 31 conducts electricity very well.Described first conducting terminal 31 comprises one first main part 311, be provided with one first docking section 312 by the extension downwards of described first main part, 311 1 ends, described second conducting terminal 32 comprises one second main part 321, extend upward by described second main part, 321 1 ends and to be provided with one second docking section 322, form one first inclined contact surface 313 on described first docking section 312, form one second inclined contact surface 323 on described second docking section 322, described first inclined contact surface 313 and described second inclined contact surface 323 roughly are same angle, and contact is provided with relatively.Described first inclined contact surface 313 can roughly be an inclined-plane also can roughly be a cambered surface, described second inclined contact surface 323 can roughly be an inclined-plane also can roughly be a cambered surface, in the present embodiment, described first inclined contact surface 313 and described second inclined contact surface 323 all roughly are an inclined-plane, make that so described first docking section 312 is bigger with the area that described second docking section 322 is in contact with one another, and work as described first conducting terminal 31 along described first inclined contact surface 313, when described second conducting terminal 32 relatively moves along described second inclined contact surface 323, can not cause the mutual scratch of 323 of described first inclined contact surface 313 and described second inclined contact surfaces, guarantee that described conducting terminal group 3 excellent electrical property connect.In other embodiments, can be such situation, be to form one first inclined contact surface 313 on described first docking section 312, form one second inclined contact surface 323 on described second docking section 322, and second inclined contact surface 323 is provided with groove (not shown), and described first docking section 312 forms at 2 with described second docking section 322 and contacts; Also can be such situation, be to form one second inclined contact surface 323 on described second docking section 322, described first docking section 312 is provided with groove 3121 and forms two contact points in described first inclined contact surface 313, described first docking section 312 and described second docking section 322 form at 2 and contact (as shown in Figure 6) etc., all can reach above-mentioned technique effect, not repeat them here.312 ends, described first docking section are provided with a first end 314, the end of described second docking section 322 is provided with a second end 324, described first end 314 and described the second end 324 are circular-arc, be beneficial to described first conducting terminal 31 along described first inclined contact surface 313, when described second conducting terminal 32 relatively moves along described second inclined contact surface 323, can not cause the mutual scratch of 323 of described first inclined contact surface 313 and described second inclined contact surfaces, also can guarantee that described conducting terminal group 3 excellent electrical property connect.

Described first conducting terminal 31 extends upward from described first main part 311 and is provided with first junctions 315 that expose outside the described insulating body 2 electrically to contact with described first contact zone 201 of the described first butt joint electronic component 200, described first conducting terminal, 31 1 sides are provided with one and contact inclined-plane 3150 and one and the holding section 23 corresponding fasteners 3120 of described insulating body 2 with the guide ramp 22 of described insulating body 2 is corresponding, these contact inclined-plane 3150 contiguous described first junctions 315 are provided with, and these fastener 3120 contiguous described first docking sections 312 are provided with.Described second conducting terminal 32 from described second main part 321 extend downwards be provided with expose described insulating body 2 outside with described second contact zone 301 electrical one second junctions 325 that contact of the described second butt joint electronic component 300.

Extremely shown in Figure 6 as Fig. 3, described first conducting terminal, 31 contiguous described first junctions 315 are provided with one first strip connecting portion 316, the length that is shorter in length than described first junction, 315 outstanding described insulating body 2 upper surfaces of its outstanding described insulating body 2 upper surfaces, described first junction 315 and 316 of the described first strip connecting portions are provided with one first depressed part 317.Described second junction 325 of described second conducting terminal 32 is arranged with by the end that to form a groove 3250 corresponding with described tin ball accommodation hole 24, and a tin ball 4 correspondences are located in described tin ball accommodation hole 24 and are sticked in the described groove 3250.

Extremely shown in Figure 6 as Fig. 3, described second conducting terminal 32 bends on described second main part, 321 1 side direction and extends an elastic arm 326, described elastic arm 326 is positioned at back to a side of described first inclined contact surface 313, and described elastic arm 326 is over against described second inclined contact surface 32.Described elastic arm 326 and described second conducting terminal, 32 other parts (as, described second main part 321 and described second docking section 322) between have the gap, to provide described elastic arm 326 strain spaces, described first docking section 312 enters between described elastic arm 326 and described second docking section 322.Described elastic arm 326 convexes with a support division 3261 in a side that contacts with described first docking section 312, and described first docking section 312 is provided with a recess 3121 and matches with this stop section 3261, is beneficial to described elastic arm 326 and matches with described first docking section 312.Described elastic arm 326 supports first docking section 312 of described first conducting terminal 31, like this, even when described first docking section 312 and the 322 not conductings of described second docking section, can utilize described elastic arm 326 to support first docking section 312 of described first conducting terminal 31, realize electrically conducting of described first conducting terminal 31 and described second conducting terminal 32.

As Fig. 4 and shown in Figure 5, when described electric connector 1 electrically connected the described first butt joint electronic component 200 and described second docks electronic component 300, described first conducting terminal 31 and described second conducting terminal 32 dock electronic component 200 respectively with described first and the described second butt joint electronic component 300 electrically connects.Process is more specifically, when the described first butt joint electronic component 200 connects described first conducting terminal 31, described contact inclined-plane 3150 produces friction with described guide ramp 22, described contact inclined-plane 3150 depends on described guide ramp 22 and moves, so, described first conducting terminal 31 simultaneously downwards be displaced sideways (shown in A among Fig. 5 and Fig. 6), and the described elastic arm 326 of described second conducting terminal 32 supports described first conducting terminal 31, the elastic compression distortion takes place in described elastic arm 326, make described first conducting terminal 31 only move upward in a certain party, the direction that described first conducting terminal 31 moves is easy to prediction and control with mobile apart from size.The action of striking off that described first contact zone 201 of 31 pairs of described first butt joint electronic components 200 of described first conducting terminal produces an oxide can guarantee that 200 excellent electrical property of described first conducting terminal 31 and the described first butt joint electronic component are connected.In addition, because the setting of described contact inclined-plane 3150 and described guide ramp 22, do not need too big downforce to press down the described first butt joint electronic component 200, just can make described first conducting terminal 31 simultaneously downwards be displaced sideways (shown in A among Fig. 5), promote described first inclined contact surface 313 and the contact area of described second inclined contact surface 323 to increase, to reduce the impedance of 32 of described first conducting terminal 31 and described second conducting terminals.

In addition, when the described first butt joint electronic component 200 docks with described first conducting terminal 31, described first conducting terminal 31 simultaneously downwards be displaced sideways, promote described elastic arm 326 to force in first docking section 312 of described first conducting terminal 31, form the oblique side-thrust F1 (as shown in Figure 5 and Figure 6) of a pair of described first conducting terminal 31, make described second inclined contact surface 323 of 313 pairs of described second conducting terminals 32 of described first inclined contact surface of described first conducting terminal 31 produce a normal pressure; And, described first conducting terminal 31 simultaneously downwards be displaced sideways (shown in A among Fig. 5), force described first inclined contact surface 313 of described first conducting terminal 31 to contact more closely with described second inclined contact surface 323 of described second conducting terminal 32, the impedance that is produced is little, guarantees that described first conducting terminal 31 contacts well with described second conducting terminal 32.

In addition, described first conducting terminal 31 simultaneously downwards be displaced sideways (shown in A among Fig. 5), make the described first conduction son 31 that is in contact with one another along described first inclined contact surface 313, described second conducting terminal 32 relatively moves along described second inclined contact surface 323, contact area until described first inclined contact surface 313 and described second inclined contact surface 323 reaches maximum, also to reach the purpose (as shown in Figure 5 and Figure 6) that reduces impedance.

Resistance of the present utility model can remain in the default standard value, guarantees the electric current normal transmission, and clear, stable communication effect is provided.

After the described first butt joint electronic component 200 leaves, described this F1 reaction force of elastic arm 326 mats returns to original position (not shown) along oblique the moving in described first docking section 312 of described first conducting terminal 31, simultaneously, described first conducting terminal 31 upwards rebounds, and the fastener 3120 of described first conducting terminal 31 can be sticked in the holding section 23 of described insulating body 2, prevent that described first conducting terminal 31 from outwards ejecting, thereby make described first conducting terminal 31 reach original position, like this, just formed the electric connector 1 of compressible contact.

In sum, the utility model electric connector 1 has following advantage:

1. the utility model electric connector 1, and the described first conducting terminal group 31 is made by the metal (as red metal etc.) of high conductivity, thereby the described first conducting terminal group 31 conducts electricity very well.

2. the utility model electric connector 1, described insulating body 2 adopts on-deformable plastics to make, contiguous first junction 315 of described first conducting terminal, 31 1 sides is provided with a contact inclined-plane 3150, described terminal accommodation hole 21 1 sidewalls are provided with a guide ramp 22 corresponding described contact inclined-planes 3150, so, when described electric connector 1 electrically connects the described first butt joint electronic component 200 and described second docks electronic component 300, the described first butt joint electronic component 200 connects described first conducting terminal 31, so, described contact inclined-plane 3150 depends on described guide ramp 22 and moves, described first conducting terminal 31 simultaneously downwards be displaced sideways, so described first conducting terminal 31 only moves upward in a certain party, and can not rotate or swing, so the direction that described conducting terminal group 3 (particularly described first conducting terminal 31) moves is easy to prediction and control with mobile apart from size.And, because the setting of described contact inclined-plane 3150 and described guide ramp 22, do not need too big downforce to press down the described first butt joint electronic component 200, just can make described first conducting terminal 31 simultaneously downwards be displaced sideways (shown in A among Fig. 5), promote described first inclined contact surface 313 and the contact area of described second inclined contact surface 323 to increase, to reduce the impedance between two conducting terminals.

3. the utility model electric connector 1, when described electric connector 1 electrically connects the described first butt joint electronic component 200 and described second docks electronic component 300, the described 31 stressed whiles of first conducting terminal downwards be displaced sideways, described elastic arm 326 forces in first docking section 312 of described first conducting terminal 31, form the oblique side-thrust F1 of a pair of described first conducting terminal 31, make described second inclined contact surface 323 of 313 pairs of described second conducting terminals 32 of described first inclined contact surface of described first conducting terminal 31 produce a normal pressure, and described first conducting terminal 31 simultaneously downwards be displaced sideways, force first inclined contact surface 313 of described first conducting terminal 31 to contact more closely with second inclined contact surface 323 of described second conducting terminal 32, so can reduce the contact impedance of 323 of described first inclined contact surface 313 and described second inclined contact surfaces, guarantee that described first conducting terminal 31 contacts well with described second conducting terminal 32, and then the holding current normal transmission, provide clear, stable communication effect.

4. the utility model electric connector 1, when described electric connector 1 electrically connects the described first butt joint electronic component 200 and described second docks electronic component 300, the described 31 stressed whiles of first conducting terminal downwards be displaced sideways, make the described first conduction son 31 that is in contact with one another relatively move with described second inclined contact surface 323 along described first inclined contact surface 313 respectively with described second conducting terminal 32, reach greatly until the contact area of described first inclined contact surface 313, also to reach the purpose that reduces impedance with described second inclined contact surface 323.

5. the utility model electric connector 1, when described electric connector 1 electrically connects the described first butt joint electronic component 200 and described second docks electronic component 300, the described 31 stressed whiles of first conducting terminal downwards be displaced sideways, make described elastic arm 326 be offset, after the described first butt joint electronic component 200 leaves, described this reaction force of elastic arm 326 mats F1 returns to original position along oblique the moving in described first docking section 312 of described first conducting terminal 31, simultaneously, described first conducting terminal 31 upwards rebounds, reach original position, like this, just formed the electric connector 1 of compressible contact.

6. the utility model electric connector 1, even when described first docking section 312 and the 322 not conductings of described second docking section, can utilize described elastic arm 326 to support first docking section 312 of described first conducting terminal 31, realize electrically conducting of described first conducting terminal 31 and described second conducting terminal 32.

Above-mentioned explanation is the detailed description at the preferable possible embodiments of the utility model, but embodiment is not in order to limit patent claim of the present utility model, equal variation that the technical spirit that all the utility model disclosed is finished down or modification change all should belong to claim that the utility model is contained.

Claims (15)

1. an electric connector electrically connects one first butt joint electronic component and docks electronic component with one second, it is characterized in that, comprising:

One insulating body, it has a plurality of terminal accommodation holes;

A plurality of conducting terminal groups, correspondence is contained in the described terminal accommodation hole respectively, each described conducting terminal group comprises one first conducting terminal and second conducting terminal that matches with described first conducting terminal, wherein said second conducting terminal comprise one with described second second junction that connects mutually of butt joint electronic component, one second docking section and an elastic arm, described first conducting terminal comprise one with described first first junction that connects mutually of butt joint electronic component, and one obliquely slide and connect first docking section of described second docking section, described elastic arm supports described first docking section, forces in described first docking section with oblique;

By this, when described first conducting terminal and described second conducting terminal are corresponding respectively when dock electronic component and described second with described first and docking the electronic component electric connection, described elastic arm produces an oblique side-thrust to first docking section of described first conducting terminal, guarantees that described first docking section of described first conducting terminal contacts well with described second docking section of described second conducting terminal.

2. electric connector as claimed in claim 1 is characterized in that: described elastic arm convexes with a support division to described first docking section, and described first docking section is provided with the recess that can cooperate with described support division.

3. electric connector as claimed in claim 1 is characterized in that: form a strain space between described elastic arm and the described second conducting terminal other parts, described first docking section enters between described elastic arm and described second docking section.

4. electric connector as claimed in claim 1 is characterized in that: the described first docking section rigidity contacts described second docking section.

5. electric connector as claimed in claim 4 is characterized in that: described first conducting terminal is that high conductivity material forms.

6. electric connector as claimed in claim 5 is characterized in that: described high conductivity material is a red metal.

7. electric connector as claimed in claim 1, it is characterized in that: described first docking section is provided with and contacted one first inclined contact surface in described second docking section, described second docking section is provided with and contacted one second inclined contact surface in described first docking section, and described first inclined contact surface is relative with described second inclined contact surface to contact setting.

8. electric connector as claimed in claim 7 is characterized in that: described elastic arm is positioned at the side back to described first inclined contact surface, and described elastic arm is over against described second inclined contact surface.

9. electric connector as claimed in claim 7 is characterized in that: described first inclined contact surface and described second inclined contact surface, wherein at least one inclined contact surface is a cambered surface.

10. electric connector as claimed in claim 7 is characterized in that: described first inclined contact surface and described second inclined contact surface, wherein at least one inclined contact surface is the inclined-plane.

11. electric connector as claimed in claim 7 is characterized in that: described first inclined contact surface and described second inclined contact surface roughly are same angle.

12. electric connector as claimed in claim 1 is characterized in that: described first docking section forms at 2 with described second docking section and contacts.

13. electric connector as claimed in claim 1, it is characterized in that: the side of described first junction is provided with a contact inclined-plane, described terminal accommodation hole one side is provided with the corresponding described contact of guide ramp inclined-plane, when described first conducting terminal of the described first butt joint electronic element press connection, described contact inclined-plane and described guide ramp produce friction, described contact inclined-plane depends on described guide ramp and moves, and described first conducting terminal produces the action of striking off of an oxide to the contact zone of the described first butt joint electronic component.

14. electric connector as claimed in claim 1, it is characterized in that: when the described first butt joint electronic component connects described first conducting terminal, described first conducting terminal simultaneously downwards be displaced sideways, when the described second butt joint electronic component connected described second conducting terminal, described second conducting terminal moved up.

15. electric connector as claimed in claim 1 is characterized in that: after described butt joint electronic component left, the reaction force of the described elastic arm of the described first conducting terminal mat obliquely was returned to initial position.

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