CN102810783A - Electrical connector and contact element thereof - Google Patents
Electrical connector and contact element thereof Download PDFInfo
- Publication number
- CN102810783A CN102810783A CN2012102528906A CN201210252890A CN102810783A CN 102810783 A CN102810783 A CN 102810783A CN 2012102528906 A CN2012102528906 A CN 2012102528906A CN 201210252890 A CN201210252890 A CN 201210252890A CN 102810783 A CN102810783 A CN 102810783A
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- contact
- base portion
- installing hole
- elasticity hangnail
- finger key
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Abstract
The invention relates to the field of electrical connectors, in particular to an electrical connector and a contact element thereof. The electrical connector comprises an insulator and contact elements. The insulator is provided with mounting holes. Each contact element is provided with a base part which is spliced into the corresponding mounting hole from back to front. Each base part is provided with a forwards-backwards extended axis. An elastic barb is arranged on the base part of each contact element, and is gradually inclined and overhung towards the radial periphery of the base part from front to back. A forwards-backwards extended guide groove opposite to the elastic barb is formed on the hole wall of each mounting hole. Each elastic barb is matched with the corresponding guide groove to prevent the corresponding contact element from rotating in the corresponding mounting hole. A stopping table is arranged at the rear end of the groove bottom of each guide groove, and is matched with the rear end of the corresponding elastic barb to stop the corresponding contact element to backwards move relative to the insulator. A stepped surface facing a rear part is arranged on the front part of the hole wall of each mounting hole, and stops the front end of the corresponding base part to forwards move relative to the insulator. The production cost of the electrical connector is lowered.
Description
Technical field
The present invention relates to electric connector field, particularly a kind of electric connector and contact thereof.
Background technology
Housing, insulator and electric contact piece are three big component parts of electric connector; In the present electric connector; Most contact fixedly is assembled together through base portion and insulator; The fixed form of said base portion and insulator mainly contains two kinds, is respectively press-fit approach and injection moulding packaged type.With regard to press-fit approach, it mainly is on insulator, to offer stepped hole, on the base portion of contact, is provided with to the protruding shoulder of contact radial outer periphery; During assembling, an end of the shoulder of base portion is by the step surface block on the hole wall of said stepped hole, and the other end is fixed through the insulation board that other establishes; The fixed part of this kind mode has two, i.e. insulator and insulation board, and assembly technology is complicated; And insulator and insulation board all need be through special-purpose Mould Machining; This has directly caused the increasing of assembly process of electric connector, the growth of production cycle and the increase of manufacturing cost, in addition, and in order to prevent the rotation of contact in insulator; Toward contact the special structure of only revolving need be set between contact and insulator, this has also increased the complexity of the assembly technology of electric connector to a certain extent.The injection moulding packaged type is through corresponding mould the direct injection moulding of insulator to be encapsulated on the contact; In order to prevent that contact from can not become curved in packed process; Require the diameter of contact big and the material property of contact had certain requirement generally speaking; In addition, the fixing contact of this kind mode can't reuse in Different products, and above-mentioned a series of reason has also caused adopting the increase of cost of the electric connector of injection moulding packaged type fixed contact therefor.
In sum, the fixed form of the contact of present electric connector and insulator has directly caused increase and the decline of the market competitiveness of the production cost of electric connector.
Summary of the invention
The object of the present invention is to provide a kind of electric connector, to reduce the production cost of electric connector.
Simultaneously, the present invention also aims to provide the contact of above-mentioned electric connector.
In order to address the above problem; Electric connector of the present invention adopts following technical scheme: electric connector, comprise insulator and contact, and insulator has installing hole; Contact have from after be inserted into the base portion the corresponding installing hole forward; The axis that extends before and after base portion has, the base portion of contact is provided with the elasticity hangnail, and elasticity hangnail the past tilts to overhang to the radial outer periphery of base portion backward gradually; The hole wall of installing hole is provided with guide groove corresponding with the elasticity hangnail, that extend front and back; The elasticity hangnail cooperates with corresponding guide groove and stops corresponding contact in installing hole, to rotate, and the rear end of the bottom land of guide groove is provided with the retaining platform, and the contact that this retaining platform and the rear end cooperation block of corresponding elasticity hangnail are corresponding is mobile backward with respect to insulator; The hole wall front portion of installing hole is provided with the step surface towards the rear, and the front end of this step surface block base portion moves forward with respect to insulator.
The outside wall surface of said base portion is provided with finger key; Said finger key is stuck in the corresponding guide groove and with the elasticity hangnail and together stops corresponding contact in installing hole, to rotate, the distance that the distance that finger key is extended to the base portion radial outer periphery is extended to the base portion radial outer periphery less than the elasticity hangnail.
Said finger key from after tilt to overhang and be stuck in the corresponding guide groove to the radial outer periphery of contact gradually forward through its projecting end.
Said elasticity hangnail and finger key all are made as one with the base portion of corresponding contact.
Said contact is the hole contact, and the front end of base portion is provided with the jack that supplies adaptive contact pin to insert, said step surface by be located at the installing hole front end in the medial surface that turns edge form the front end face of the base portion that covers corresponding contact of turning edge in said.
Said contact is the hole contact, and the front end of base portion is provided with the jack that supplies adaptive contact pin to insert, said step surface by be located at the installing hole front end in the medial surface that turns edge form the front end face of the base portion that is covered with corresponding contact of turning edge in said.
Contact of the present invention adopts following technical scheme: contact; This contact have be used for from after be inserted into the base portion of corresponding installing hole forward; The axis that extends before and after said base portion has; Base portion is provided with the elasticity hangnail, and elasticity hangnail the past tilts to overhang to the radial outer periphery of base portion backward gradually.
Portion's outside wall surface of said base portion is provided with finger key, and said finger key and elasticity hangnail are positioned at the place, the same side of base portion, the distance that the distance that finger key is extended to the base portion radial outer periphery is extended to the base portion radial outer periphery less than the elasticity hangnail.
Said finger key from after tilt to overhang to the radial outer periphery of contact gradually forward.
Said elasticity hangnail and finger key all are made as one with the base portion of corresponding contact.
Because electric connector of the present invention is provided with in the past backward gradually the elasticity hangnail that the radial outer periphery to base portion tilts to overhang on the base portion of its contact; On the hole wall of the installing hole of its insulator, be provided with guide groove corresponding with the elasticity hangnail, that extend front and back; The elasticity hangnail cooperates the corresponding contact of prevention in installing hole, to rotate with corresponding guide groove on the one hand; Cooperate the corresponding contact of block to move backward with the retaining platform that the bottom land rear end of guide groove is provided with on the other hand with respect to insulator; The hole wall front portion of installing hole is provided with the step surface towards the rear, and the front end of this step surface block base portion moves forward with respect to insulator; Therefore the parts that are used for fixing contact only have one of insulator; Thereby reduced the quantity of the fixed part of contact with respect to prior art; And can reduce the mould of making corresponding component, the time of saving the cost of manufacturing corresponding component accordingly, and then reduced the production cost of electric connector; In addition; Described elasticity hangnail plays spline simultaneously and prevents the effect that contact is deviate from from the insulator rear end; Thereby can establish special spline parts more in addition, manufacturing process and structure that this has also simplified electric connector have from another point of view further reduced the manufacturing cost of electric connector.
Further; Said finger key can together stop contact in corresponding installing hole, to rotate with the cooperation of elasticity hangnail; The spline power that one side makes the front and back end of base portion receive is balanced; Also can share the stressed of elasticity hangnail on the other hand; Play the effect of protection elasticity hangnail, make finger key can prevent to the distance that the base portion radial outer periphery is extended that finger key from inserting in the process of installing hole between the bottom land with corresponding guide groove at the base portion of corresponding contact less than the elasticity hangnail and interfere, avoid the appearance of the problem that plug-in mounting is obstructed to distance that the base portion radial outer periphery is extended; Make finger key from after forward gradually to the radial outer periphery of the contact distance between the cooperation place of the cooperation place that can further increase finger key and guide groove and elasticity hangnail and guide groove that tilts to overhang; Make finger key and elasticity barb-shaped triangularity structure simultaneously; Confirm the principle on a plane according to two crossing straight lines, further prevent the appearance of the problem that contact rotates with respect to the installing hole of correspondence; Because contact generally is through one time punching molded adding man-hour; Therefore elasticity hangnail and finger key all are made as the moulding process that one can be simplified contact with the base portion of corresponding contact; Increase is to the production efficiency of contact, thereby further reduces the manufacturing cost of electric connector.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of electric connector of the present invention;
Fig. 2 is the sketch map that cooperates of insulator and contact among Fig. 1;
Fig. 3 is the structural representation of the insulator among Fig. 1;
Fig. 4 is the structural representation of the contact among Fig. 1;
Fig. 5 is the structural representation of contact of the embodiment 2 of electric connector of the present invention;
Fig. 6 is the structural representation of the embodiment 1 of contact of the present invention;
Fig. 7 is the structural representation of the embodiment 2 of contact of the present invention.
Embodiment
The embodiment 1 of electric connector of the present invention shown in Fig. 1-4, comprises the housing 11 of metal; Fixedly be equipped with insulator 12 in the housing 11, penetrating installing hole 13 before and after insulator 12 is provided with is equipped with contact 14 in the installing hole 13; This contact 14 is the hole contact, comprises a base portion, and base portion is tubular and has the axis that extends along fore-and-aft direction (plug direction); Its front portion has the jack 14-1 that supplies adaptive contact pin to insert, and the outer peripheral face of base portion is provided with elasticity hangnail 15, in the present embodiment; Elasticity hangnail 15 is an integral structure with the base portion of corresponding contact; Its rear end is positioned on the base portion of contact 14, and front end in the past extends and forms the structure that overhangs to radially (direction vertical with fore-and-aft direction) of the base portion at its place is peripheral gradually backward, also is provided with finger key 16 on the outer wall of the base portion of contact 14; Finger key 16 in the present embodiment adopts integral structure with the base portion of contact 14; The rear end of finger key 16 is positioned on the base portion of corresponding contact, its front end from after extend to the base portion radial outer periphery of the contact of correspondence gradually forward, it is to be noted; Finger key on the same contact and elasticity hangnail are positioned at the same side of contact and the distance that finger key is extended to the base portion radial outer periphery less than the elasticity hangnail to the distance of base portion radial outer periphery extension; In the present embodiment, the rear end of contact 14 also is provided with pin 17, and pin 17 makes this electric connector can be used as plate live connector and uses; Offer the guide groove 18 that extends along fore-and-aft direction on the hole wall of the installing hole of insulator 12; In the present embodiment, this guide groove 18 is the groove on the fore-and-aft direction, in addition; The rear portion of the bottom land of guide groove 18 is provided with retaining platform 19; In the present embodiment, the height of retaining platform 19 is lower than the degree of depth of guide groove, the retaining edge of turning in the front end of each installing hole is provided with; In contact 14 installing hole that is inserted into correspondence from back to front; In the process of inserting; Finger key 16 at first cooperates with guide groove guiding and and the bottom land of guide groove on the retaining platform between do not interfere, promptly finger key 16 is crossed the retaining platform 19 of guide groove bottom land, when the elasticity hangnail when keeping off platform; At first near the direction of the contact at its place, drawing and crossing the retaining platform under the compressing of retaining platform; Cross the elasticity hangnail of retaining behind the platform and under the elastic reaction of self, reset and open and withstand the leading flank of retaining platform, thereby make the retaining platform stop contact in the installing hole of correspondence, to move backward, meanwhile through the rear end; The base portion of front end and block contact of the base portion that covers contact the moving forward in installing hole that turn edge in the installing hole front end, thus realized the axial restraint of contact; In addition, the projecting end of elasticity hangnail and finger key lays respectively in the guide groove and with the guide groove cooperation and prevent that the base portion of contact from rotating in corresponding installing hole.
The embodiment 2 of electric connector of the present invention; As shown in Figure 5; The difference of present embodiment and embodiment 1 only is that use therein contact is a needle contact piece; The base portion front end of contact has the contact pin portion 21 of extending forward, and after this contact inserted corresponding installing hole, its contact pin portion 21 passed from the front end of installing hole.
The embodiment 1 of contact of the present invention, as shown in Figure 6, the structure of the contact among the structure of this contact and the embodiment of electric connector 1 is identical, will not give unnecessary details here.
The embodiment 2 of contact of the present invention, as shown in Figure 7, the structure of the contact among the structure of this contact and the embodiment of electric connector 2 is identical, will not give unnecessary details here.
Claims (10)
1. electric connector comprises insulator and contact, and insulator has installing hole; Contact have from after be inserted into the base portion the corresponding installing hole forward, the axis that extends before and after base portion has is characterized in that; The base portion of contact is provided with the elasticity hangnail; Elasticity hangnail the past tilts to overhang to the radial outer periphery of base portion backward gradually, and the hole wall of installing hole is provided with guide groove corresponding with the elasticity hangnail, that extend front and back, and the elasticity hangnail cooperates the corresponding contact of prevention in installing hole, to rotate with corresponding guide groove; The rear end of the bottom land of guide groove is provided with the retaining platform; The contact that this retaining platform and the rear end cooperation block of corresponding elasticity hangnail are corresponding is mobile backward with respect to insulator, and the hole wall front portion of installing hole is provided with the step surface towards the rear, and the front end of this step surface block base portion moves forward with respect to insulator.
2. electric connector according to claim 1; It is characterized in that; The outside wall surface of said base portion is provided with finger key; Said finger key is stuck in the corresponding guide groove and with the elasticity hangnail and together stops corresponding contact in installing hole, to rotate, the distance that the distance that finger key is extended to the base portion radial outer periphery is extended to the base portion radial outer periphery less than the elasticity hangnail.
3. electric connector according to claim 2 is characterized in that, said finger key from after tilt to overhang and be stuck in the corresponding guide groove to the radial outer periphery of contact gradually forward through its projecting end.
4. according to claim 1 or 2 or 3 described electric connectors, it is characterized in that said elasticity hangnail and finger key all are made as one with the base portion of corresponding contact.
5. electric connector according to claim 4; It is characterized in that; Said contact is the hole contact; The front end of base portion is provided with the jack that supplies adaptive contact pin to insert, said step surface by be located at the installing hole front end in the medial surface that turns edge form the front end face of the base portion that covers corresponding contact of turning edge in said.
6. electric connector according to claim 1; It is characterized in that; Said contact is the hole contact; The front end of base portion is provided with the jack that supplies adaptive contact pin to insert, said step surface by be located at the installing hole front end in the medial surface that turns edge form the front end face of the base portion that is covered with corresponding contact of turning edge in said.
7. the contact of electric connector as claimed in claim 1; This contact have be used for from after be inserted into the base portion of corresponding installing hole forward; The axis that extends before and after said base portion has; It is characterized in that base portion is provided with the elasticity hangnail, elasticity hangnail the past tilts to overhang to the radial outer periphery of base portion backward gradually.
8. contact according to claim 7; It is characterized in that; Portion's outside wall surface of said base portion is provided with finger key, and said finger key and elasticity hangnail are positioned at the place, the same side of base portion, the distance that the distance that finger key is extended to the base portion radial outer periphery is extended to the base portion radial outer periphery less than the elasticity hangnail.
9. contact according to claim 7 is characterized in that, said finger key from after tilt to overhang to the radial outer periphery of contact gradually forward.
10. according to Claim 8 or 9 described contacts, it is characterized in that said elasticity hangnail and finger key all are made as one with the base portion of corresponding contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210252890.6A CN102810783B (en) | 2012-07-20 | 2012-07-20 | Electric connector and contact thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210252890.6A CN102810783B (en) | 2012-07-20 | 2012-07-20 | Electric connector and contact thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810783A true CN102810783A (en) | 2012-12-05 |
| CN102810783B CN102810783B (en) | 2016-08-24 |
Family
ID=47234421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210252890.6A Expired - Fee Related CN102810783B (en) | 2012-07-20 | 2012-07-20 | Electric connector and contact thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102810783B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600475A (en) * | 2014-12-31 | 2015-05-06 | 镇江市明基电子有限公司 | Novel radio frequency coaxial connector |
| CN108134256A (en) * | 2016-12-01 | 2018-06-08 | 北京机电工程研究所 | A kind of electric connector contact fixed structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1247809A (en) * | 1968-11-27 | 1971-09-29 | Siemens Ag | Improvements in or relating to spring contacts for electric socket connectors |
| EP0568927A1 (en) * | 1992-05-08 | 1993-11-10 | The Whitaker Corporation | Electrical socket terminal |
| DE19653563A1 (en) * | 1996-12-20 | 1998-06-25 | Whitaker Corp | Electrical terminal strip elements |
| DE20023438U1 (en) * | 2000-06-10 | 2004-04-01 | Apparatebau Kirchheim-Teck Gmbh | Contact pin for electrical connector or socket for electrical connection between vehicle and trailer, has fixing sleeve, contact section and terminal region integrated in one piece of metal |
| CN201294313Y (en) * | 2008-11-26 | 2009-08-19 | 中航光电科技股份有限公司 | Novel socket |
-
2012
- 2012-07-20 CN CN201210252890.6A patent/CN102810783B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1247809A (en) * | 1968-11-27 | 1971-09-29 | Siemens Ag | Improvements in or relating to spring contacts for electric socket connectors |
| EP0568927A1 (en) * | 1992-05-08 | 1993-11-10 | The Whitaker Corporation | Electrical socket terminal |
| DE19653563A1 (en) * | 1996-12-20 | 1998-06-25 | Whitaker Corp | Electrical terminal strip elements |
| DE20023438U1 (en) * | 2000-06-10 | 2004-04-01 | Apparatebau Kirchheim-Teck Gmbh | Contact pin for electrical connector or socket for electrical connection between vehicle and trailer, has fixing sleeve, contact section and terminal region integrated in one piece of metal |
| CN201294313Y (en) * | 2008-11-26 | 2009-08-19 | 中航光电科技股份有限公司 | Novel socket |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600475A (en) * | 2014-12-31 | 2015-05-06 | 镇江市明基电子有限公司 | Novel radio frequency coaxial connector |
| CN108134256A (en) * | 2016-12-01 | 2018-06-08 | 北京机电工程研究所 | A kind of electric connector contact fixed structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102810783B (en) | 2016-08-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190720 |