CN202474342U

CN202474342U - Coaxial connector

Info

Publication number: CN202474342U
Application number: CN2012200396147U
Authority: CN
Inventors: 赖思铭
Original assignee: KUNSHAN FUERTE ELECTRONIC CO Ltd
Current assignee: KUNSHAN FUERTE ELECTRONIC CO Ltd
Priority date: 2012-02-08
Filing date: 2012-02-08
Publication date: 2012-10-03
Anticipated expiration: 2022-02-08

Abstract

The utility model discloses a coaxial connector, comprising a metal housing, an insulation base and a terminal, wherein the a cylindrical part and a cladding and clamping part, the cylindrical part and the cladding and clamping part are connected by a connection part. A containing space is formed in the cylindrical part. The insulation base comprises a body, a ring wall and a pressure plate respectively disposed on two sides of the body. The insulation base is arranged in the containing space of the metal housing. The terminal comprises a plate body and at least a contact arm. The terminal is mounted in the body of the insulation base. An inner side surface of the pressure plate of the insulation base and an inner side surface of the position at which the body is corresponding to the pressure plate of the insulation base are respectively provided with a metal layer. The coaxial connector not only increases an electric contact area with coaxial cables, but also raises assembly intensity of the connector.

Description

Coaxial connector

Technical field

The utility model relates to a kind of connector, relates in particular to a kind of coaxial connector.

Background technology

China publication number CN102237623.A discloses a coaxial connector; It comprises a terminal, an insulator foot and a metal shell; Terminal is arranged in the insulator foot; Insulator foot is arranged in the metal shell, and metal shell is provided with and extends supporting part and end difference, can strengthen the assembling intensity between metal shell and the insulator foot.But in use still there is following problem in it: terminal is arranged in the insulator foot, and the engaging insufficient strength causes when pullling coaxial cable, making easily the terminal displacement; Coaxial cable is arranged in the insulator foot less with the contact-making surface of termination contact simultaneously; And the pressing plate of insulator foot is insulation; Cause the electrically contacting property of coaxial cable and terminal poor, cause poor contact phenomenon easily after coaxial cable is pullled, thereby influence the service quality of connector.

Summary of the invention

In order to overcome above-mentioned defective, the utility model provides a kind of coaxial connector, this coaxial connector not only increased and coaxial cable between electrical-contact area, and improved its assembling intensity.

The utility model for the technical scheme that solves its technical problem and adopt is: a kind of coaxial connector; Comprise metal shell, insulator foot and terminal; Said metal shell comprises a cylindrical portion and a holder; Said cylindrical portion is connected by a junction with holder, forms an accommodation space in the said cylindrical portion; Said insulator foot comprises a body and is located at a ringwall and a pressing plate of these body both sides respectively that said insulator foot places in the accommodation space of said metal shell; Said terminal comprises plate body and at least one contact arm; Said terminal is placed in the body of said insulator foot; On the medial surface at the corresponding pressing plate of the body place of the pressing plate medial surface of said insulator foot and insulator foot, be respectively equipped with the layer of metal layer; Can increase the electric property of wire harness conductor and terminal, reduce the whole resistance value of product.

As the further improvement of the utility model, said metal level is one of gold layer and copper layer (or other have the conductive metal layer).

Further improvement as the utility model; End bilateral symmetry at the body of said terminal is provided with two contact arms; These two contact arms are all drawn close towards the center, same side of terminal body, at the body other end of this terminal and be provided with hangnail on the side of said contact arm dorsad, make terminal and insulator foot after the assembling form strong interference; Be not easy to come off and become flexible, increase the stability of product.

As the further improvement of the utility model, said hangnail is two, and is symmetrically distributed on the dual-side of the other end of said terminal body.

As the further improvement of the utility model, be provided with at least one convexity in the cylindrical portion inboard of said metal shell, on the body lateral surface of said insulator foot to being provided with the groove that is complementary with this at least one convexity by at least one high spot.When mounted, can play function spacing and guiding.

As the further improvement of the utility model,, the cylindrical portion of said metal shell is provided with outside being provided with a side direction of connecting portion along cylindrical portion extension supporting part radially, and this cylindrical portion forms openend at the axial opposite side that is being provided with connecting portion; Several clamping limbs that extend the lamellar body that said holder is extended to form by said connecting portion and this lamellar body both sides again constitute; Be used for fixing coaxial cable, on said lamellar body medial surface, be provided with several arcuation projections, during use; Will be with coaxial cable outer corresponding; Be provided with a plurality of side projections in said clamping limb inboard, use makes, and coats coaxial cable and plays the effect that clamps coaxial cable.。

As the further improvement of the utility model, the body of said insulator foot is a hollow, and is communicated with a through hole of said body, and the periphery of said ringwall forms the district of contracting in; The outside of said body is provided with at least one draw-in groove, and the body inboard is provided with at least one stopper slot, and a sidewall of body also offers a breach; The one side of the corresponding said body of said pressing plate forms the depressed area of arc, and the depressed area of this pressing plate and the junction of said body form a kink, and this kink has the thickness littler than pressing plate, and pressing plate is bent to body easily.

As the further improvement of the utility model, the extension supporting part of said metal shell inwardly contracts outwardly and forms an end difference.During assembling, the openend of insulator foot (end with breach) is sticked on this end difference just.

The beneficial effect of the utility model is: through on the pressing plate of insulator foot, establishing the one golden layer layer, can increase and the center conductor of coaxial cable between contact area, improve the electrical transmission performance, reduce the whole resistance of product; On terminal body, be provided with hangnail, make terminal and insulator foot after the assembling form strong interference, be not easy to come off and become flexible, increase the stability of product.

Description of drawings

Fig. 1 is the utility model STRUCTURE DECOMPOSITION structural representation;

Fig. 2 is the said metal shell structural representation of the utility model;

Fig. 3 is another visual angle structural representation of the said metal shell of the utility model;

Fig. 4 is the said insulator foot structural representation of the utility model;

Fig. 5 is another visual angle structural representation of the said insulator foot of the utility model;

Fig. 6 is the said terminal structure sketch map of the utility model.

In conjunction with accompanying drawing, explanation below doing:

1---metal shell 2---insulator foot

3---terminal 4---metal level

6---protruding 7---groove

11---cylindrical portion 12---holder

13---connecting portion 14---accommodation space

15---extending supporting part 16---openend

17---clamping limb 18---arcuation projection

19---the side projection

21---body 22---ringwall

23---pressing plate 24---through hole

25---in contract district 26---draw-in groove

27---stopper slot 28---breach

29---depressed area 230---kink

31---plate body 32---contact arm

33---hangnail

151---end difference

Embodiment

In conjunction with accompanying drawing, the utility model is elaborated, but the protection range of the utility model is not limited to following embodiment.

A kind of coaxial connector comprises metal shell 1, insulator foot 2 and terminal 3, and said metal shell comprises a cylindrical portion 11 and a holder 12, and said cylindrical portion is connected by a junction 13 with holder, forms an accommodation space 14 in the said cylindrical portion; Said insulator foot comprises a body 21 and is located at a ringwall 22 and a pressing plate 23 of these body both sides respectively that said insulator foot places in the accommodation space of said metal shell; Said terminal comprises plate body 31 and at least one contact arm 32; Said terminal is placed in the body of said insulator foot; It is characterized in that: on the medial surface at the corresponding pressing plate of the body place of the pressing plate medial surface of said insulator foot and insulator foot, be respectively equipped with layer of metal layer 4; Can increase the electric property of wire harness conductor and terminal, reduce the whole resistance value of product.Wherein, metal shell is processed by metals such as copper, iron, but is not limited to above-mentioned material, and metal such as its skin can plated with gold, tin makes it be difficult for oxidation and becomes the good conductive body; Insulator foot is that insulation materials such as plastics, silica gel are processed; Terminal is best to be processed for metal materials such as copper, iron, but is not limited to above-mentioned material, and metals such as its skin more can plated with gold, tin make it to be difficult for oxidation and become good conductor.

Preferably, above-mentioned metal level is gold layer or copper layer (or other have the conductive metal layer).

Preferably; End bilateral symmetry at the body of above-mentioned terminal is provided with two contact arms; These two contact arms are all drawn close towards the center, same side of terminal body, at the body other end of this terminal and be provided with hangnail 33 on the side of said contact arm dorsad, make terminal and insulator foot after the assembling form strong interference; Be not easy to come off and become flexible, increase the stability of product.

Preferably, above-mentioned hangnail is two, and is symmetrically distributed on the dual-side of the other end of said terminal body.

Preferably, be provided with in the cylindrical portion inboard of above-mentioned metal shell that at least one is protruding 6, on the body lateral surface of said insulator foot to being provided with the groove 7 that is complementary with this at least one convexity by at least one high spot.When mounted, can play function spacing and guiding.

Preferably, outside the cylindrical portion of above-mentioned metal shell is provided with a side direction of connecting portion, be provided with along cylindrical portion extension supporting part 15 radially, this cylindrical portion forms openend 16 at the axial opposite side that is being provided with connecting portion; 17 of several clamping limbs that extend the lamellar body that said holder is extended to form by said connecting portion and this lamellar body both sides again constitute; Be used for fixing coaxial cable, on said lamellar body medial surface, be provided with several arcuation projections 18, during use; Will be with coaxial cable outer corresponding; Be provided with a plurality of side projections 19 in said clamping limb inboard, use makes, and coats coaxial cable and plays the effect that clamps coaxial cable.

Preferably, the body of above-mentioned insulator foot is a hollow, and is communicated with a through hole 24 of said body, and the periphery of said ringwall forms the district 25 of contracting in; The outside of said body is provided with at least one draw-in groove 26, and the body inboard is provided with at least one stopper slot 27, and a sidewall of body also offers a breach 28; The one side of the corresponding said body of said pressing plate forms the depressed area 29 of arc, and the depressed area of this pressing plate and the junction of said body form a kink 230, and this kink has the thickness littler than pressing plate, and pressing plate is bent to body easily.

Preferably, the extension supporting part of above-mentioned metal shell inwardly contracts outwardly and forms an end difference 151.During assembling, the openend of insulator foot (end with breach) is sticked on this end difference just.

During this coaxial connector assembling, terminal is to insert in the through hole of insulator foot, and contact arm is placed in the stopper slot, and the width of contact arm is slightly less than the width of contact arm, adds the effect of hangnail, therefore can be with firm the placing in the through hole of terminal.Insulator foot is to place in the accommodation space of metal shell; In the present embodiment; The draw-in groove of insulator foot is towards the pressing plate direction, when assembling, is that insulator foot is packed into by the openend direction of metal shell therefore; And the convexity on the metal shell is placed in the groove on the insulator foot just, and insulator foot is fixed in the accommodation space of cylindrical portion.

When this coaxial connector is assembled with a coaxial cable; Be the center conductor of coaxial cable to be passed the breach of insulator foot, and amplexiform electrically contact of formation on the plate body of terminal, bend the connecting portion of metal shell and the kink of insulator foot then; The bending rear fender is covered on the center conductor; Because the contact-making surface of pressing plate and center line is the depressed area of arc or depression, therefore can center conductor be concentrated on depressed area central authorities simultaneously, the transmission that is beneficial to the signal of telecommunication is unimpeded.The holder of the metal shell after the bending is covered in coaxial cable, and several clamping limb bending double teams extension supporting parts and coaxial cable are fixed.In addition, the end difference of the extension supporting part of metal shell, a plurality of side projections that the arcuation of holder medial surface is protruding and several clamping limbs are inboard all play the effect of the assembling intensity that strengthens metal shell, insulator foot and coaxial cable.

Claims

1. coaxial connector; Comprise metal shell (1), insulator foot (2) and terminal (3); Said metal shell comprises a cylindrical portion (11) and a holder (12), and said cylindrical portion is connected by a junction (13) with holder, forms an accommodation space (14) in the said cylindrical portion; Said insulator foot comprises a body (21) and is located at a ringwall (22) and a pressing plate (23) of these body both sides respectively that said insulator foot places in the accommodation space of said metal shell; Said terminal comprises plate body (31) and at least one contact arm (32); Said terminal is placed in the body of said insulator foot, it is characterized in that: on the medial surface at the corresponding pressing plate of the body place of the pressing plate medial surface of said insulator foot and insulator foot, be respectively equipped with layer of metal layer (4).

2. coaxial connector according to claim 1 is characterized in that: said metal level is one of gold layer and copper layer.

3. coaxial connector according to claim 1; It is characterized in that: the end bilateral symmetry at the body of said terminal is provided with two contact arms; These two contact arms are all drawn close towards the center, same side of terminal body, at the body other end of this terminal and be provided with hangnail (33) on the side of said contact arm dorsad.

4. coaxial connector according to claim 3 is characterized in that: said hangnail is two, and is symmetrically distributed on the dual-side of the other end of said terminal body.

5. coaxial connector according to claim 1; It is characterized in that: be provided with at least one convexity (6) in the cylindrical portion inboard of said metal shell, on the body lateral surface of said insulator foot to being provided with the groove (7) that is complementary with this at least one convexity by at least one high spot.

6. according to each described coaxial connector in the claim 1 to 5; It is characterized in that: outside the cylindrical portion of said metal shell is provided with a side direction of connecting portion, be provided with along cylindrical portion extension supporting part (15) radially, this cylindrical portion forms openend (16) at the axial opposite side that is being provided with connecting portion; Several clamping limbs (17) that extend the lamellar body that said holder is extended to form by said connecting portion and this lamellar body both sides again constitute, and on said lamellar body medial surface, are provided with several arcuation projections (18), are provided with a plurality of side projections (19) in said clamping limb inboard.

7. according to each described coaxial connector in the claim 1 to 5, it is characterized in that: the body of said insulator foot is a hollow, and is communicated with a through hole (24) of said body, and the periphery of said ringwall forms the district (25) of contracting in; The outside of said body is provided with at least one draw-in groove (26), and the body inboard is provided with at least one stopper slot (27), and a sidewall of body also offers a breach (28); The one side of the corresponding said body of said pressing plate forms the depressed area (29) of arc, and the depressed area of this pressing plate and the junction of said body form a kink (230).

8. according to each described coaxial connector in the claim 1 to 5, it is characterized in that: the extension supporting part of said metal shell inwardly contracts outwardly and forms an end difference (151).