CN101533973A - Twist pin electrical connector - Google Patents
Twist pin electrical connector Download PDFInfo
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- CN101533973A CN101533973A CN200910020525A CN200910020525A CN101533973A CN 101533973 A CN101533973 A CN 101533973A CN 200910020525 A CN200910020525 A CN 200910020525A CN 200910020525 A CN200910020525 A CN 200910020525A CN 101533973 A CN101533973 A CN 101533973A
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- pin
- plug
- socket
- electrical connector
- twist
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Abstract
The invention discloses an electrical connector, in particular a twist pin electrical connector. The twist pin electrical connector comprises a plug part, a socket part, a contact pin positioned on the socket part, and a pin hole positioned on the plug part. The electrical connector is characterized in that the contact pin is a twist pin, and has the advantages of excellent maintain contact capacity, excellent electric conductivity and insulating property, excellent heat resistance, good machining property, the tolerance of vibration, impact and acceleration, excellent structure, small volume, light weight, more line number, low cost, safety, reliability, long mechanical life, and the like, and is suitable for connection of instruments and meters.
Description
(1) technical field
The present invention relates to a kind of electric connector, particularly a kind of twist pin electrical connector.
(2) background technology
Known printed circuit connector on the present market, its primary structure generally is made up of socket and plug two large divisions.Have conductive contact piece on socket and plug respectively, the pin by separately is connected to external circuit.The socket part of ordinary circumstance lower connector welds together by pin and printed circuit, relies on the coagulation force of solder joint that socket is fixed on the printed circuit board (PCB).This just requires socket pins should have high mechanical strength and rigidity, and the solder joint place connects reliable.The plug portion of connector is with after socket part cooperates, and relies on contact engaging and separating force between contact to guarantee the connection of socket and plug.The contact pin of traditional form when pin diameter when 0.5mm is following, contact pin is not that embrittlement feels like jelly exactly, the elastic wire jack that cooperates with the contact pin of this kind form aspect the reliability, the diameter dimension aspect exists problem.Contact is the key that guarantees connector performance.According to above-mentioned situation, traditional connector has following shortcoming:
1) fixing reliable on printed circuit board (PCB) in order to guarantee socket, the pin of socket part should have bigger cross-sectional area, thereby has influence on volume, max line number, outward appearance, weight and the manufacturing cost of connector.
When 2) in judder and shock environment, using, may take place to cause socket and plug to break away from because the contact engaging and separating force of contact is not enough to keep the connection of socket and plug.And the easy sealing-off of solder joint or cause loose contact.Cause the connector reliability to reduce greatly, accidents caused generation easily.
3) traditional contact, contact resistance is big, and contact engaging and separating force is big, and rigidity is poor, mechanical endurance is low.Hindered the development of connector to the microminiature connector.
(3) summary of the invention
The present invention is in order to remedy the deficiencies in the prior art, and a kind of twist pin electrical connector of functional, firm and durable is provided.
The present invention is achieved through the following technical solutions:
A kind of twist pin electrical connector comprises plug portion, socket part, is positioned at the contact pin of socket part and is positioned at the pin hole of plug portion that it is characterized in that: described contact pin is the fried dough twist pin.
The more excellent technical scheme of the present invention is: described plug portion comprises rectangular enclosure, is fixed on Plug base, pin hole, lead and plug guide on the shell, described lead and pin hole are fixed by crimping, pin hole is divided into three and arranges in the hole that is loaded on the Plug base, the lead tail end passes the hole on the shell and continues certain length, and the lead place, rear end of Plug base carries out embedding.Plug base cooperates with clamp nut by the screw thread on the plug guide in the enclosure to be fixed, and shell, pedestal and plug guide are fixed together.
Described socket part comprises the jack housing that is complementary with plug body, be fixed on the socket base on the jack housing, with the corresponding socket guide of plug guide, fried dough twist pin and socket pins, described fried dough twist pin and socket pins crimping are integral, and insert pedestal from the upper end of socket base, pin stretches out certain length in the pedestal lower end after passing pedestal, and the pin of pedestal lower end partly carried out embedding, pin stretches out shell, and pin is converted into 90 degree.
An end that cooperates with socket base of rectangular insert pedestal is provided with semicircle protruding key, and socket base is provided with groove corresponding with it.
Dress contact pin in the stiff end of socket, by screw that socket and circuit board is fastening again after socket pins and the circuit board welding.
Plug is provided with and hangs nail, hangs nail and screws with clamp nut.
The invention has the beneficial effects as follows: have good contact hold facility, good electric conductivity and insulation property, good thermal endurance, good machining property, and can tolerate the effect of vibration, impact and acceleration.Have also that structure is good, volume is little, in light weight, the line number is many, cost is low, safe and reliable, advantage such as mechanical endurance is long.Be applicable to the connection of instrument, instrument.
(4) description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Accompanying drawing 1 is an overall structure schematic diagram of the present invention;
Accompanying drawing 3 is the vertical view schematic diagram of socket part of the present invention.
Among the figure, 1 plug body, 2 jack housing, 3 clamp nuts, 5 hang nail, 6 plug guides, 7 socket guides, 8 socket base, 9 Plug bases, 10 pins, 11 leads, 12 pin holes, 13 fried dough twist pins.
(5) embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment comprises plug portion, socket part, be positioned at the contact pin of socket and be positioned at the pin hole of plug, and described contact pin is a fried dough twist pin 13.Described plug portion comprises rectangular insert shell 1, is fixed on Plug base 9, pin hole 12, lead 11 and plug guide 6 on the plug body 1, described lead 11 and pin hole 12 are fixed by crimping, pin hole is divided into three rows and is loaded in the Plug base, lead 11 tail ends pass the hole on the jack housing 2 and continue certain length, and rear end lead 11 places of Plug base 9 carry out embedding.Plug base 9 screw thread by plug guide 6 upper ends in the enclosure cooperates with clamp nut and fixes, and plug body 1, Plug base 9 and plug guide 6 are fixed together.Described socket part comprises the jack housing 2 that is complementary with plug body, be fixed on socket base 8 on the jack housing 2, with plug guide 6 corresponding socket guides 7, fried dough twist pin 13 and pin 10, described fried dough twist pin 13 is integral with socket pins 10 crimping, insert pedestal from the upper end of socket base 8, pin 10 stretches out certain length in the pedestal lower end after passing pedestal, and pin 10 parts of pedestal lower end are carried out embedding, pin 10 stretches out shell, and pin is converted into 90 degree.An end that cooperates with socket base 8 of rectangular insert pedestal 9 is provided with semicircle protruding key, and socket base 8 is provided with groove corresponding with it.Dress contact pin in the stiff end of socket, socket pins 10 are fastening with socket and circuit board by screw again after welding with circuit board.Plug is provided with and hangs nail 5, hangs nail 5 and screws with clamp nut 3.
Contact pin is firmly solid aspect mechanical strength, and contact pin can not make its function be damaged after all directions bending repeatedly.After wire jack plugs together, can tolerate the effect of vibration, impact and acceleration, instantaneous open circuit phenomenon can not occur.Aspect mechanical endurance,, make contact-making surface increase the connect-disconnect life height owing to be that 7 strands contact with leading the wire jack inwall.Fried dough twist pin 13 diameters are little, can make the high density contact.Contact adopts fine copper T
2, beryllium-bronze, brass.Fine copper conduction, good heat conductivity, processing, good welding performance.The beryllium-bronze forming, conductivity height, elastic stability, yield strength, fatigue strength height, hardness resistance to wear are high.Make contact have good contact retention, electric conductivity and good structure.It is left-handed that the contact pin structure adopts the interior lines rotation direction, and the outside line rotation direction is dextrorotation, and melting welding is carried out in the contact pin end, and to the contact pin arc of upsetting.The contact pin material is fine copper T
2
Insulating material adopts 30% glass to strengthen high-quality engineering plastics.The initial insulation resistance of this material is 5000M Ω, moist back 1000M Ω, and dielectric strength is normal 1000V, low pressure 300V.Electrical property after the humidity reaches.Anti-stretch that intensity, bending strength are respectively 120Mpa, 190Mpa, impact strength is 45KJ/m
2, have the favorable mechanical performance.The heat distortion temperature of this material is 221 ℃ at 4.5Mpa, is 205 ℃ at 18.2Mpa.Flammability is UL94V-0 level (3.2mm).Has good hot property.
In order to guarantee connector body part reliability of fixation on printed circuit board (PCB), dress contact pin in a kind of twist pin electrical connector provided by the invention, stiff end socket, 90 ° of horizontal installations.By screw socket is connected with circuit board after the welding of socket pins and circuit board, most bed knife provides via attachment screw, thereby can reduce the requirement of pin to mechanical strength and rigidity again.
Plug body can be used as and protect irdome.Plug body adopts LY12 duralumin, and aluminium has little, the easy cut of density, has certain tensile strength and yield strength.And adopt electrophoretic paint to handle, promptly increase attractive in appearance high temperature resistant again, environment resistant strong protecting irdome.On pedestal, increase counnter attack and insert measure, and increase guiding and locking device.Make product can bear strong vibration and impact, can also guarantee that product does not have anti-wrong plug and inserts phenomenon.
Design has locking member on socket of the present invention and the plug, and locking member is carried out Nickel Plating Treatment.After socket and plug cooperated, locking member firmly linked together plug and socket by coupling mechanism force.When connector was worked under the strong vibration environment, socket and plug can not thrown off because of vibration.Avoided the generation of unnecessary accident.
Fried dough twist pin and pin hole carry out embedding in the rear end of pedestal after being loaded in separately the pedestal respectively.Prevented the dipping of liquid to contact.Further be installed on fried dough twist pin and pin hole in the pedestal.
The structure of socket part shown in Figure of description, mainly by jack housing, socket base, fried dough twist pin, pin, socket guide, compositions such as screw and locking nut.As shown in FIG., fried dough twist pin and pin crimping are integral, and insert pedestal from the upper end of socket base, and pin stretches out certain-length in the pedestal lower end after passing pedestal, and embedding is carried out at the pin position of pedestal lower end.Pedestal is placed in the shell, and pin stretches out shell, and pin is converted into 90 °.Socket guide is positioned at the hole at rectangular susceptor two ends, and screw passes jack housing, pedestal and socket guide the three is fixed together.End at the rectangular receptacle pedestal is provided with semi-circular recesses.The two ends that are positioned at rectangular enclosure are provided with two locking nuts, are fixed on the shell by hex nut.During installation the pin of socket part is inserted on the printed circuit board (PCB) in the respective aperture, pin and circuit board weld together by soldering.Screw passes circuit board and cooperates with nut, under the effect of nut check power socket part firmly is fixed on the circuit board.
Plug portion is by shell, Plug base, pin hole, hangs compositions such as nail and plug guide.Shown in Figure of description, lead and pin hole are fixed together by crimping, and the pin hole contact inserts in the hole of Plug base, and carry out embedding at lead place, the rear end of Plug base.Pedestal is installed in the rectangular enclosure, and the lead tail end passes the hole on the shell and continues certain-length.Pedestal is fixed with cooperating of clamp nut by the screw thread of plug guide upper end in the enclosure, and shell, pedestal and plug guide are fixed together.When plug was connected with socket, plug guide and socket guide interacted, and play the effect of guiding.An end that is positioned at the rectangular insert pedestal is provided with semicircle protruding key, plays the effect that counnter attack is inserted jointly with groove on the socket base.
When plug was connected with socket, the recessed position of plug cooperated with the protrusion position of socket, and the fried dough twist pin that is positioned at socket is inserted into the pin hole of plug.When connecting, guide plays the effect of guiding.Plug is with after socket cooperates, and the hanging nail that is positioned on the plug screws with locking nut on the socket, and plug and socket are tightly linked together.Locking device guarantees that two parts can not break away from because of the vibration of outside when work.Reliability is enhanced.
A kind of twist pin electrical connector that the present invention relates to by technique scheme, has good contact hold facility, good electric conductivity and insulation property, and good thermal endurance, good machining property, and can tolerate the effect of vibration, impact and acceleration.Have also that structure is good, volume is little, in light weight, the line number is many, cost is low, safe and reliable, advantage such as mechanical endurance is long.Be applicable to the connection of instrument, instrument.
Technical parameter:
The contact number is 42 cores or 80 cores, stiff end contact dress contact pin, 90 ° of horizontal installations; The twisted wire contact pin, the embedding lead-in wire.
Proof voltage: 300V
Ambient temperature-55 ℃～+ 125 ℃
Contact resistance :≤0.01 Ω
Insulation resistance: 5000M Ω
Each contact is to operating current: 1A
Storage temperature range :-55 ℃～+ 125 ℃
Vibration frequency: 10～2000Hz
Impact: acceleration 980m/s
2(three six to)
Salt fog: 48 hours.
Claims (8)
1. twist pin electrical connector, the pin hole that comprises plug portion, socket part, is positioned at the contact pin of socket part and is positioned at plug portion is characterized in that: described contact pin is fried dough twist pin (13).
2. twist pin electrical connector according to claim 1, it is characterized in that: described plug portion comprises rectangular insert shell (1), is fixed on Plug base (9), pin hole (12), lead (11) and plug guide (6) on the plug body (1), described lead (11) is fixed by crimping with pin hole (12), pin hole branch plurality of rows is installed in the hole of Plug base, lead (11) tail end passes the hole on the plug body (1) and continues certain length, and the rear end lead (11) of Plug base (9) locates to carry out embedding.Plug base (9) is joined (3) by the screw thread and the clamp nut of plug guide (6) upper end in the enclosure and is closed and fix, and plug body (1), Plug base (9) and plug guide (6) are fixed together.
3. twist pin electrical connector according to claim 1, it is characterized in that: described socket part comprises the jack housing (2) that is complementary with plug body (1), be fixed on the socket base (8) on the jack housing (2), with the corresponding socket guide of plug guide (6) (7), fried dough twist pin (13) and pin (10), described fried dough twist pin (13) is integral with pin (10) crimping, insert pedestal from the upper end of socket base (8), pin stretches out certain length in the pedestal lower end after passing pedestal, and the pin (10) of pedestal lower end part carried out embedding, pin stretches out jack housing, and pin (10) is converted into 90 degree.
4. twist pin electrical connector according to claim 3 is characterized in that: an end that cooperates with socket base (8) of rectangular insert pedestal (9) is provided with semicircle protruding key, and socket base (8) is provided with groove corresponding with it.
5. twist pin electrical connector according to claim 1 is characterized in that: dress contact pin in the stiff end of socket.
6. twist pin electrical connector according to claim 2 is characterized in that: plug body (1) is provided with and hangs nail (5), hangs nail (5) and screws with clamp nut (3).
7. twist pin electrical connector according to claim 4 is characterized in that: lead (11), pin hole (12), fried dough twist pin (13), pin (10) number are corresponding.
8. twist pin electrical connector according to claim 7 is characterized in that: described pin (10) has 80 or 42.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910020525A CN101533973A (en) | 2009-04-17 | 2009-04-17 | Twist pin electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910020525A CN101533973A (en) | 2009-04-17 | 2009-04-17 | Twist pin electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101533973A true CN101533973A (en) | 2009-09-16 |
Family
ID=41104427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910020525A Pending CN101533973A (en) | 2009-04-17 | 2009-04-17 | Twist pin electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101533973A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922128A (en) * | 2021-10-29 | 2022-01-11 | 西安微电子技术研究所 | Structure and manufacturing method of miniature electric connector |
-
2009
- 2009-04-17 CN CN200910020525A patent/CN101533973A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922128A (en) * | 2021-10-29 | 2022-01-11 | 西安微电子技术研究所 | Structure and manufacturing method of miniature electric connector |
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Open date: 20090916 |