CN101345377A

CN101345377A - Connector

Info

Publication number: CN101345377A
Application number: CNA2007102010578A
Authority: CN
Inventors: 黄伟; 甘小林; 何友光
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2007-07-12
Filing date: 2007-07-12
Publication date: 2009-01-14

Abstract

The invention provides a connector which is used for an audio/video device and not easy to be disengaged from the audio/video device matched with the connector, comprising a mainbody and a connector which is fixedly connected inside the mainbody; the mainbody comprises a fastening part and a retaining part; the external surface of the front part of the fastening part is of a truncated cone shape where at least one through trough is opened; the connector also comprises a fixed sleeve which is sheathed outside the mainbody in a dismountable way; the fixed sleeve comprises an extrusion part with a truncated conical internal surface and a fixed part; when the fixed sleeve is sheathed at the exterior of the mainbody, the fixed part is connected with the retaining part; the extrusion part extrudes the front part of the fastening part so as to clamp another assembled connector.

Description

Connector

Technical field

The present invention relates to a kind of connector, particularly a kind of RCA connector that is used for audio-video equipment.

Background technology

RCA promptly is Radio Corporation America, the Radio Corporation of America; The RCA connector is that the wiring terminal of the lead wiring of the non-equilibrium or coaxial-type of by RCA exploitation connects standard, is used for stereo equipment, video tape recorder more and the equipment of audio frequency, video I/O is arranged.

Along with growth in the living standard, consumption electronic products such as sound equipment, television set, video disc player, home theater are more and more got involved people's life.And the requirement to its image and acoustical quality is also more and more higher.Connector is the bridge that transmits these images and voice signal, and its product quality influences the reliability of signal transmission between electronic installation, thereby is determining the quality of output image and sound.

RCA connector on the market mainly contains two kinds at present: a kind of is blossom type RCA connector, such connector comprises a main body and a connection-peg, during RCA female connector on the described connection-peg insertion equipment, connects defective tightness, and be easy to be pulled out, cause signal to interrupt suddenly; Another is the closed RCA connector that comprises a main body and a connection-peg, because the main body of such connector is enclosed design, elasticity changes less, thereby relatively require great effort when inserting, when extracting friction bigger, through after the machinery plug repeatedly, the contact-making surface gross distortion, thereby connector is easy to come off, extract from the RCA female connector, and the problem that equally also has signal to interrupt suddenly influences the normal use of equipment.

Summary of the invention

In view of above content, be necessary to provide a kind of difficult connector that from connector with matching, breaks away from.

A kind of connector comprises that a main body and is fixed in the connection-peg in the main body, and described main body comprises a fastening part and a maintaining part, and the forward outer surface of described fastening part is a truncated cone-shaped, offers at least one groove on it; Described connector comprises that also one removably is set in the fixed cover of described main body outside, described fixed cover comprises that an inner surface is the press section and a fixed part of truncated cone-shaped, described fixed part was connected with described maintaining part when described fixed cover was set in described main body outside, described press section pushes the front portion of described fastening part, in order to clamp the connector that another matches.

Compare prior art, described fixed cover has increased stiction between described connector and the connector with matching to the extruding of fastening part and fastening part truncated cone-shaped structure, prevent the drawing peeled-off of connector, make its contact good, improved the stability of signal.

Description of drawings

In order better to understand this connector, the invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.

Fig. 1 is the stereogram of connector better embodiment of the present invention;

Fig. 2 is the explosive view of Fig. 1;

Fig. 3 is the profile along III-III shown in Fig. 2;

Fig. 4 is the profile along IV-IV shown in Fig. 1;

Fig. 5 is the profile along V-V shown in Fig. 2.

Embodiment

Please refer to Fig. 1, the better embodiment of connector of the present invention is used for data-signal is connected electronics output equipment (figure do not show), and the better embodiment of described connector comprises that connection-peg 70 and that a main body 40, is positioned at described main body 40 is set in the fixed cover 10 of described main body 40 outsides.

Please refer to Fig. 2, described fixed cover 10 comprises a press section 20 and a fixed part 30.Please in conjunction with reference Fig. 3, described press section 20 has a bus to become the truncated cone-shaped inner surface 22 at 15 degree α angles with the axis of described fixed cover 10.Described fixed part 30 is cylindrical, and inside is provided with an internal thread 34.The inside of described fixed cover 10 is a cavity 12, in order to hold connector body 40.

Please in conjunction with reference Fig. 2 and Fig. 4, described main body 40 comprises that an inside has the fastening part 42 of through hole 41 and the maintaining part 44 that an inside has passage 45.The front portion of described fastening part 42 has a bus to become the truncated cone-shaped outer surface 46 at 8 degree β angles with its axis.Described outer surface 46 extends to an annular groove 48 always.Equidistantly on the front portion of described fastening part 42 offer six grooves 49, described groove 49 is equally divided into six lobes with the front portion of described fastening part 42.The rear end of described fastening part 42 forms an annular wall 43.Described maintaining part 44 is provided with an external screw thread 82, is screwed together with the internal thread 34 of described fixed part 30, in order to fixing fixed cover 10.Between described fastening part 42 and described maintaining part 44, offer the opening 90 of a user-friendly processing.

One fixed block 50 and an elastic component 60 are installed in the inside of described fastening part 42.Described fixed block 50 fixes in the through hole 41 of fastening part 42 by the mode of compression fit, and keeps out on the rear end of described fastening part 42 annular wall 43.Please in conjunction with reference Fig. 5, described fixed block 50 comprises a stairstepping central through hole 54, a slot 52 and two draw-in grooves 56 that communicate with described stepped central through hole 54.Described elastic component 60 comprises a columned installing end 62 and holds the 62 spiral helicine elastic portion 66 that extend to form from installing.On described installing end 62, be provided with an annular protrusion 64.Wherein, described installing end 62 and projection 64 are plugged in the described slot 52 together.Described elastic component 60 has the better elastic deformability.

Please once more in conjunction with reference to Fig. 2 and Fig. 4, described connection-peg 70 is provided with two annular flange flange 72, at the tail end of connection-peg 70 accepting hole 74 that holds electric wire is arranged.Connection-peg 70 is plugged in the described through hole 54, and its tail end passes in the passage 45 that through hole 54 extend into maintaining part 44.Described flange 72 correspondences are fastened in the draw-in groove 56 of described fixed block 50.

During use, described connector is inserted in the female connector (figure does not show) of electronic equipment.In the process of inserting, female connector extruding elastic component 60 spiral helicine elastic portion 66 make its to around peripheral dilatating and deformable, the elastic portion 66 corresponding female connectors that clamp.

After the female connector of described connector and electronic equipment is pegged graft and is stablized, fixed cover 10 is tightened in rotation, at this moment, described fixed cover 10 while rotating the maintaining part 44 to connector close, the press section 20 of described fixed cover 10 also begins to push to the centre front portion of described fastening part 42.The front portion of described fastening part 42 is divided into six independent valvulas by groove 49, has increased the deformability of fastening part 42, makes it tightr with combining of female connector, has increased the stiction between them.Simultaneously, the structure of described fastening part 42 truncated cone-shaped has also effectively increased the stiction with female connector, prevents from that described connector from pulling out to pull in female connector.

In other embodiments, the bus of the truncated cone-shaped inner surface 22 of described press section 20 with the α angle that axis became of described fixed cover 10 should be more than or equal to 13 degree and smaller or equal to 17 degree.The β angle that the bus of the front end truncated cone-shaped outer surface 46 of described fastening part 42 is become with its axis should more than or equal to 6 degree and smaller or equal to 10 degree, and described α angle must be greater than described β angle.

In addition, the mode that can weld that is connected of connector of the present invention and electric wire can be selected electric wire according to user's needs, and electric wire is passed passage 45, electric wire is twisted to be connected in the described accepting hole 74 with screw at described opening 90 places to get final product.Little with described method wire connecting contact impedance, can improve signal quality.

Claims

1. a connector comprises that a main body and is fixed in the connection-peg in the main body, and it is characterized in that: described main body comprises a fastening part and a maintaining part, and the forward outer surface of described fastening part is a truncated cone-shaped, offers at least one groove on it; Described connector comprises that also one removably is set in the fixed cover of described main body outside, described fixed cover comprises that an inner surface is the press section and a fixed part of truncated cone-shaped, described fixed part was connected with described maintaining part when described fixed cover was set in described main body outside, described press section pushes the front portion of described fastening part, in order to clamp the connector that another matches.

2. connector as claimed in claim 1 is characterized in that: the forward outer surface of described fastening part and the angle of its axis are more than or equal to 6 degree and smaller or equal to 10 degree.

3. connector as claimed in claim 1 or 2 is characterized in that: the forward outer surface of described fastening part and the angle of its axis are 8 degree.

4. connector as claimed in claim 1 is characterized in that: an elastic component is installed in the inside of described fastening part, and described elastic component is in order to clamp the connector that another matches.

5. connector as claimed in claim 4 is characterized in that: the inside of described fastening part is provided with a fixed block, and described fixed block is provided with a slot; Described elastic component comprises a columned installing end, and described installing end is provided with an annular protrusion, and the projection of described installing end is plugged in the described slot.

6. connector as claimed in claim 5 is characterized in that: described elastic component comprises that also one extends the spiral helicine elastic portion that forms from described installing end.

7. connector as claimed in claim 1 is characterized in that: the inside of described fastening part is provided with a fixed block, at least one draw-in groove that described fixed block is provided with a central through hole and communicates with described central through hole; Described connection-peg is provided with the flange of at least one ring-type, and described connection-peg inserts in the through hole of described fixed block, and described flange snaps in the described draw-in groove.

8. connector as claimed in claim 1 is characterized in that: the angle of the inner surface of described press section and described fixed cover axis is more than or equal to 13 degree and smaller or equal to 17 degree.

9. as claim 1 or 8 described connectors, it is characterized in that: the angle of the inner surface of described press section and described fixed cover axis is 15 degree.

10. connector as claimed in claim 1 is characterized in that: be connected with a joggle by internal and external threads between the fixed part of described fixed cover and the maintaining part of described main body.

11. connector as claimed in claim 1 is characterized in that: the tail end of described connection-peg is provided with an accepting hole that holds electric wire.