CN102810783B - Electric connector and contact thereof - Google Patents
Electric connector and contact thereof Download PDFInfo
- Publication number
- CN102810783B CN102810783B CN201210252890.6A CN201210252890A CN102810783B CN 102810783 B CN102810783 B CN 102810783B CN 201210252890 A CN201210252890 A CN 201210252890A CN 102810783 B CN102810783 B CN 102810783B
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- CN
- China
- Prior art keywords
- contact
- base portion
- installing hole
- guide groove
- flexible barbs
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Abstract
nullThe present invention relates to electric connector field，Particularly a kind of electric connector and contact thereof，Electric connector includes insulator and contact，Insulator has installing hole，Contact has the base portion in the installing hole being inserted into correspondence from back to front，Base portion has the axis front and back extended，The base portion of contact is provided with flexible barbs，Flexible barbs the most gradually tilts to overhang to the radial outer periphery of base portion，The hole wall of installing hole is provided with corresponding with flexible barbs、The guide groove front and back extended，The contact that flexible barbs coordinates prevention corresponding with corresponding guide groove rotates in installing hole，The rear end of the bottom land of guide groove is provided with gear platform，This gear platform coordinates the contact that block is corresponding to be moved rearwards by relative to insulator with the rear end of corresponding flexible barbs，The hole wall front portion of installing hole is provided with the rearward step surface in face，The front end of this step surface block base portion moves forward relative to insulator；Present invention reduces the production cost of electric connector.
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 composition parts of electric connector, in current electric connector, together with most contact is securely fitted in insulator by base portion, described base portion mainly has two kinds with the fixed form of insulator, respectively press-fit approach and injection molding packaging mode.For press-fit approach, it mainly offers stepped hole on insulator, the base portion of contact arranges the shoulder to contact radial outer periphery projection, during assembling, one end of the shoulder of base portion is by the step surface block on the hole wall of described stepped hole, the other end is fixed by the insulation board separately set, the fixed component of this kind of mode has two, i.e. insulator and insulation board, assembly technology is complicated, and insulator and insulation board are required to be processed by special mould, this directly results in the increasing of assembly process of electric connector, the growth of production cycle and the increase of manufacturing cost, additionally, in order to prevent contact rotation in the insulator, often also need between contact and insulator, arrange special spin-ended structure, this adds the complexity of assembly technology of electric connector the most to a certain extent.Injection molding packaging mode be by corresponding mould by direct for insulator injection molding packaging on contact, in order to prevent contact from will not bent during packed, generally require being relatively large in diameter and the material property of contact being had certain requirement of contact, additionally, the fixing contact of this kind of mode cannot reuse in different products, and above-mentioned a series of reason result also in the increase of the cost of the electric connector of employing injection molding packaging mode fixed contact therefor.
In sum, the contact of current electric connector and the fixed form of insulator directly results in increase and the decline of the market competitiveness of the production cost of electric connector.
Summary of the invention
It is an object of the invention to provide a kind of electric connector, to reduce the production cost of electric connector.
Meanwhile, the present invention also aims to provide the contact of above-mentioned electric connector.
nullIn order to solve the problems referred to above，The electric connector of the present invention is by the following technical solutions: electric connector，Including insulator and contact，Insulator has installing hole，Contact has the base portion in the installing hole being inserted into correspondence from back to front，Base portion has the axis front and back extended，The base portion of contact is provided with flexible barbs，Flexible barbs the most gradually tilts to overhang to the radial outer periphery of base portion，The hole wall of installing hole is provided with corresponding with flexible barbs、The guide groove front and back extended，The contact that flexible barbs coordinates prevention corresponding with corresponding guide groove rotates in installing hole，The rear end of the bottom land of guide groove is provided with gear platform，This gear platform coordinates the contact that block is corresponding to be moved rearwards by relative to insulator with the rear end of corresponding flexible barbs，The hole wall front portion of installing hole is provided with the rearward step surface in face，The front end of this step surface block base portion moves forward relative to insulator.
The outside wall surface of described base portion is provided with finger key, described finger key is stuck in the guide groove of correspondence and together stops corresponding contact to rotate in installing hole with flexible barbs, the distance that the distance that finger key extends to base portion radial outer periphery extends to base portion radial outer periphery less than flexible barbs.
Described finger key is the most gradually in the radial outer periphery of contact tilts the guide groove overhanging and being stuck in by its projecting end correspondence.
Described flexible barbs and finger key all base portions with corresponding contact are set to one.
Described contact is hole contact, and the front end of base portion is provided with the jack inserted for adaptive contact pin, and described step surface is formed by the medial surface turned edge in being located at installing hole front end, described in turn edge the front end face of the base portion covering correspondence contact.
Described contact is hole contact, and the front end of base portion is provided with the jack inserted for adaptive contact pin, and described step surface is formed by the medial surface turned edge in being located at installing hole front end, described in the cover that turns edge set the front end face of base portion of correspondence contact.
The contact of the present invention is by the following technical solutions: contact, this contact has the base portion in the installing hole for being inserted into correspondence from back to front, described base portion has the axis front and back extended, base portion is provided with flexible barbs, and flexible barbs the most gradually tilts to overhang to the radial outer periphery of base portion.
Portion's outside wall surface of described base portion is provided with finger key, and described finger key and flexible barbs are positioned at the same side of base portion, the distance that the distance that finger key extends to base portion radial outer periphery extends to base portion radial outer periphery less than flexible barbs.
Described finger key the most gradually tilts to overhang to the radial outer periphery of contact.
Described flexible barbs and finger key all base portions with corresponding contact are set to one.
The most gradually tilt, to the radial outer periphery of base portion, the flexible barbs overhang owing to the electric connector of the present invention is provided with on the base portion of its contact, the hole wall of the installing hole of its insulator is provided with corresponding with flexible barbs, the guide groove front and back extended, the contact that on the one hand flexible barbs coordinates prevention corresponding with corresponding guide groove rotates in installing hole, on the other hand the gear platform arranged with the bottom land rear end of guide groove coordinates the contact that block is corresponding to be moved rearwards by relative to insulator, the hole wall front portion of installing hole is provided with the rearward step surface in face, the front end of this step surface block base portion moves forward relative to insulator；The parts that thus be accordingly used in fixed contact therefor only have insulator one, thus the quantity of the fixed component of contact is decreased relative to prior art, and the time that the mould manufacturing corresponding component can be reduced accordingly, save manufacture corresponding component cost, and then reduce the production cost of electric connector；Additionally, described flexible barbs simultaneously works as the effect that spline and anti-contact are deviate from from insulator rear end, thus can the most separately set special spline parts, this manufacturing process simplifying electric connector the most from another point of view and structure, reduce further the manufacturing cost of electric connector.
Further; described finger key can coordinate together prevention contact to rotate in corresponding installing hole with flexible barbs; on the one hand the spline power being subject to is held to equalize before and after making base portion; on the other hand the stress of flexible barbs can also be shared; play the effect of protection flexible barbs; the distance that finger key is extended to base portion radial outer periphery can prevent finger key from interfering between the bottom land of corresponding guide groove during the base portion of corresponding contact inserts installing hole less than flexible barbs to the distance that base portion radial outer periphery extends, it is to avoid the appearance of the problem that plug-in mounting is obstructed；Make finger key the most gradually tilt to the radial outer periphery of contact to overhang can further increase at the cooperation of finger key and guide groove with the distance between the coordinating of flexible barbs and guide groove, make finger key form triangular structure with flexible barbs simultaneously, determine the principle of a plane according to two crossing straight lines, prevent the contact appearance relative to the problem of corresponding installing hole rotation further；Owing to contact is adding man-hour generally by one time punching molded, therefore by flexible barbs and finger key, all base portions with corresponding contact are set to one and can simplify the moulding process of contact, increase the production efficiency to contact, thus reduce the manufacturing cost of electric connector further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 of the electric connector of the present invention；
Fig. 2 be insulator in Fig. 1 with contact coordinate schematic diagram；
Fig. 3 is the structural representation of the insulator in Fig. 1；
Fig. 4 is the structural representation of the contact in Fig. 1；
Fig. 5 is the structural representation of the contact of the embodiment 2 of the electric connector of the present invention；
Fig. 6 is the structural representation of the embodiment 1 of the contact of the present invention；
Fig. 7 is the structural representation of the embodiment 2 of the contact of the present invention.
Detailed description of the invention
nullThe embodiment 1 of the electric connector of the present invention，As Figure 1-4，Housing 11 including metal，Housing 11 is fixed and is equipped with insulator 12，The installing hole 13 that insulator 12 is penetrating before and after being provided with，Installing hole 13 is equipped with contact 14，This contact 14 is hole contact，Including a base portion，Base portion is cylindrical in shape and has the axis that (plug orientation) extends along the longitudinal direction，Its front portion has the jack 14-1 inserted for adaptive contact pin，The outer peripheral face of base portion is provided with flexible barbs 15，In the present embodiment，Flexible barbs 15 is integral type structure with the base portion of corresponding contact，Its front end is positioned on the base portion of contact 14，Rear end the most gradually extends to the radial direction of the base portion at its place (direction vertical with fore-and-aft direction) periphery and forms overhanging structure，Finger key 16 it is additionally provided with on the outer wall of the base portion of contact 14，Finger key 16 in the present embodiment uses 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 the most gradually extends to the base portion radial outer periphery of corresponding contact，It is to be noted，The distance that finger key on same contact and flexible barbs are positioned at the same side of contact and finger key extends to base portion radial outer periphery is less than the distance that flexible barbs extends to base portion radial outer periphery，In the present embodiment，The rear end of contact 14 is additionally provided with pin 17，Pin 17 makes this electric connector can use as onboard electric connector；The guide groove 18 extended along the longitudinal direction is offered on the hole wall of the installing hole of insulator 12, in the present embodiment, this guide groove 18 is the groove on fore-and-aft direction, additionally, the rear portion of the bottom land of guide groove 18 is provided with gear platform 19, in the present embodiment, the height of gear platform 19 is less than the degree of depth of guide groove, and the front end of each installing hole is provided with the gear edge of varus；In contact 14 installing hole being inserted into correspondence from back to front, during inserting, finger key 16 first with guide groove guide coordinate and and the bottom land of guide groove on gear platform between do not interfere, i.e. finger key 16 crosses the gear platform 19 of guide groove bottom land, when flexible barbs is through gear platform, first under the compressing of gear platform, on the direction near the contact at its place, draw and cross gear platform in, cross gear platform after flexible barbs resets under the elastic reaction of self open and by rear end withstand keep off platform leading flank, so that gear platform stops contact to be moved rearwards by corresponding installing hole, meanwhile, turn edge in installing hole front end the movement in installing hole forward of the base portion of the front end of the base portion covering contact block contact, it is achieved thereby that the axial restraint of contact；Prevent the base portion of contact from rotating in corresponding installing hole it addition, the projecting end of flexible barbs and finger key lays respectively in guide groove and coordinates with guide groove.
The embodiment 2 of the electric connector of the present invention, as shown in Figure 5, the present embodiment is needle contact piece with the contact wherein used that differs only in of embodiment 1, the base portion front end of contact has the contact pin portion 21 extended forward, after this contact inserts corresponding installing hole, its contact pin portion 21 passes from the front end of installing hole.
The embodiment 1 of the contact of the present invention, as shown in Figure 6, the structure of this contact is identical with the structure of the contact in the embodiment 1 of electric connector, and it will not go into details herein.
The embodiment 2 of the contact of the present invention, as it is shown in fig. 7, the structure of this contact is identical with the structure of the contact in the embodiment 2 of electric connector, it will not go into details herein.
Claims (6)
- null1. electric connector，Including insulator and contact，Insulator has installing hole，Contact has the base portion in the installing hole being inserted into correspondence from back to front，Base portion has the axis front and back extended，It is characterized in that，The base portion of contact is provided with flexible barbs，Flexible barbs the most gradually tilts to overhang to the radial outer periphery of base portion，The hole wall of installing hole is provided with corresponding with flexible barbs、The guide groove front and back extended，Described guide groove runs through described installing hole，Described guide groove is the groove on fore-and-aft direction，The front end of described flexible barbs is connected with described base portion，The rear end of described flexible barbs is stretched in described guide groove，The contact that flexible barbs coordinates prevention corresponding with described guide groove rotates in installing hole，The rear end of the bottom land of guide groove is provided with gear platform，The height of described gear platform is less than the degree of depth of guide groove，This gear platform coordinates the contact that block is corresponding to be moved rearwards by relative to insulator with the rear end of corresponding flexible barbs，The hole wall front portion of installing hole is provided with the rearward step surface in face，The front end of this step surface block base portion moves forward relative to insulator.
- Electric connector the most according to claim 1, it is characterized in that, the outside wall surface of described base portion is provided with finger key, described finger key is stuck in described guide groove and together stops with flexible barbs corresponding contact to rotate in installing hole, the spline power being subject to is held to equalize before and after making base portion, the distance that the distance that finger key extends to base portion radial outer periphery extends to base portion radial outer periphery less than flexible barbs.
- Electric connector the most according to claim 2, it is characterised in that described finger key the most gradually tilts overhang and be stuck in described guide groove by its projecting end to the radial outer periphery of contact.
- 4. according to the electric connector described in claim 1 or 2 or 3, it is characterised in that described flexible barbs and finger key all base portions with corresponding contact are set to one.
- Electric connector the most according to claim 4, it is characterized in that, described contact is hole contact, the front end of base portion is provided with the jack inserted for adaptive contact pin, described step surface is formed by the medial surface turned edge in being located at installing hole front end, described in turn edge the front end face of the base portion covering corresponding contact.
- Electric connector the most according to claim 1, it is characterized in that, described contact is hole contact, the front end of base portion is provided with the jack inserted for adaptive contact pin, described step surface is formed by the medial surface turned edge in being located at installing hole front end, described in the cover that turns edge set the front end face of 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 CN102810783A (en) | 2012-12-05 |
| CN102810783B true 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) |
Families Citing this family (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 (2)
| 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 |
| CN201294313Y (en) * | 2008-11-26 | 2009-08-19 | 中航光电科技股份有限公司 | Novel socket |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9209948D0 (en) * | 1992-05-08 | 1992-06-24 | Amp Gmbh | 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 |
-
2012
- 2012-07-20 CN CN201210252890.6A patent/CN102810783B/en not_active Expired - Fee Related
Patent Citations (2)
| 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 |
| CN201294313Y (en) * | 2008-11-26 | 2009-08-19 | 中航光电科技股份有限公司 | Novel socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102810783A (en) | 2012-12-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |