CN103247897A - Coaxial connector - Google Patents
Coaxial connector Download PDFInfo
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- CN103247897A CN103247897A CN 201210026218 CN201210026218A CN103247897A CN 103247897 A CN103247897 A CN 103247897A CN 201210026218 CN201210026218 CN 201210026218 CN 201210026218 A CN201210026218 A CN 201210026218A CN 103247897 A CN103247897 A CN 103247897A
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- Prior art keywords
- insulator foot
- terminal
- coaxial connector
- pressing plate
- metal shell
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Abstract
The invention discloses a coaxial connector which comprises a metal casing, an insulating base and a terminal; the metal casing comprises a cylindrical part and a clamping part which are connected by a connecting part, and an accommodating space is formed in the cylindrical part; the insulating base comprises a main body as well as a ring wall and a pressing plate which are arranged on two sides of the main body respectively, and is placed in the accommodating space in the metal casing; the terminal comprises a plate body and at least one contact arm and is accommodated in the main body of the insulating base; and a metal layer is respectively arranged on each of the inner lateral surface of the pressing plate of the insulating base and the inner lateral surface, corresponding to the pressing plate, of the main body. The coaxial connector not only increases the electrical contact area between coaxial cables but also improves the assembly strength of the coaxial cables.
Description
Technical field
The present invention relates to a kind of connector, relate 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, 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 are the following problems for it: terminal is arranged in the insulator foot, and the engaging insufficient strength causes making easily the terminal displacement when pullling coaxial cable; 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 the loose 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 invention 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 present invention for the technical scheme that solves its technical problem and adopt is: a kind of coaxial connector, comprise metal shell, insulator foot and terminal, described metal shell comprises a cylindrical portion and a holder, described cylindrical portion is connected by a junction with holder, forms an accommodation space in the described cylindrical portion; Described insulator foot comprises a body and is located at a ringwall and a pressing plate of these body both sides respectively that described insulator foot places in the accommodation space of described metal shell; Described terminal comprises plate body and at least one contact arm, described terminal is placed in the body of described insulator foot, medial surface at the corresponding pressing plate of the body place of the pressing plate medial surface of described insulator foot and insulator foot is respectively equipped with the layer of metal layer, can increase the electric property of wire harness conductor and terminal, reduce the resistance value of product integral body.
As a further improvement on the present invention, described metal level is one of gold layer and copper layer (or other have the conductive metal layer).
As a further improvement on the present invention, end bilateral symmetry at the body of described terminal is provided with two contact arms, these two contact arms are all drawn close towards the center, same side of terminal body, the body other end of this terminal and dorsad a side of described contact arm 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.
As a further improvement on the present invention, described hangnail is two, and is symmetrically distributed on the dual-side of the other end of described terminal body.
As a further improvement on the present invention, be provided with at least one projection in the cylindrical portion inboard of described metal shell, on the body lateral surface of described insulator foot to being provided with the groove that is complementary with this at least one projection by at least one high spot.When mounted, can play function spacing and guiding.
As a further improvement on the present invention, be provided with along cylindrical portion extension supporting part radially outside the cylindrical portion of described metal shell is provided with a side direction of connecting portion, 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 described holder is extended to form by described connecting portion and this lamellar body both sides are again constituted, be used for fixing coaxial cable yarn, be provided with several arcuation projections at described lamellar body medial surface, during use, will be with coaxial cable outer corresponding, be provided with a plurality of side projections in described clamping limb inboard, use makes, and coats coaxial cable and plays the effect that clamps coaxial cable.。
As a further improvement on the present invention, the body of described insulator foot is hollow, and is communicated with a through hole of described body, and the periphery of described ringwall forms contracting district in; The outside of described 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 described body of described pressing plate forms the depressed area of arc, and the depressed area of this pressing plate and the junction of described body form a kink, and this kink has the thickness littler than pressing plate, and pressing plate is bent to body easily.
As a further improvement on the present invention, the extension supporting part of described metal shell forms an end difference towards contracting outside to inside.During assembling, the openend of insulator foot (end with breach) is sticked on this end difference just.
The invention has the beneficial effects as follows: by establishing the one golden layer layer at the pressing plate of insulator foot, can increase and the center conductor of coaxial cable between contact area, improve the electrical transmission performance, reduce the resistance of product integral body; Be provided with hangnail in terminal body, 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 STRUCTURE DECOMPOSITION structural representation of the present invention;
Fig. 2 is metal shell structural representation of the present invention;
Fig. 3 is another visual angle structural representation of metal shell of the present invention;
Fig. 4 is insulator foot structural representation of the present invention;
Fig. 5 is another visual angle structural representation of insulator foot of the present invention;
Fig. 6 is terminal structure schematic diagram of the present invention.
By reference to the accompanying drawings, make the following instructions:
1---metal shell 2---insulator foot
3---terminal 4---metal level
6---projection 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---interior contracting 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
By reference to the accompanying drawings, the present invention is elaborated, but protection scope of the present invention is not limited to following embodiment.
-kind of coaxial connector comprises metal shell 1, insulator foot 2 and terminal 3, and described metal shell comprises a cylindrical portion 11 and a holder 12, and described cylindrical portion is connected by a junction 13 with holder, forms an accommodation space 14 in the described cylindrical portion; Described 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 described insulator foot places in the accommodation space of described metal shell; Described terminal comprises plate body 31 and at least one contact arm 32, described terminal is placed in the body of described insulator foot, it is characterized in that: the medial surface at the corresponding pressing plate of the body place of the pressing plate medial surface of described insulator foot and insulator foot is respectively equipped with layer of metal layer 4, can increase the electric property of wire harness conductor and terminal, reduce the resistance value of product integral body.Wherein, metal shell is made 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 made; Terminal is best to be made 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, the body other end of this terminal and dorsad a side of described contact arm be provided with hangnail 33, 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 described terminal body.
Preferably, be provided with at least one projection 6 in the cylindrical portion inboard of above-mentioned metal shell, on the body lateral surface of described insulator foot to being provided with the groove 7 that is complementary with this at least one projection by at least one high spot.When mounted, can play function spacing and guiding.
Preferably, be provided with along cylindrical portion extension supporting part 15 radially outside the cylindrical portion of above-mentioned metal shell is provided with a side direction of connecting portion, 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 described holder is extended to form by described connecting portion and this lamellar body both sides are again constituted, be used for fixing coaxial cable yarn, be provided with several arcuation projections 18 at described lamellar body medial surface, during use, will be with coaxial cable outer corresponding, be provided with a plurality of side projections 19 in described 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 hollow, and is communicated with a through hole 24 of described body, and the periphery of described ringwall forms contracting district 25 in; The outside of described 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 described body of described pressing plate forms the depressed area 29 of arc, and the depressed area of this pressing plate and the junction of described 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 forms an end difference 151 towards contracting outside to inside.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, therefore when assembling, be that insulator foot is packed into by the openend direction of metal shell, and the projection 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, it is the breach that the center conductor of coaxial cable is passed insulator foot, and the plate body that amplexiforms at terminal forms electrically contact, 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 center conductor can 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, a plurality of side projections of the end difference of the extension supporting part of metal shell, the arcuation projection of holder medial surface and several clamping limb inboards all play the effect of the assembling intensity that strengthens metal shell, insulator foot and coaxial cable.
Claims (8)
1. coaxial connector, comprise metal shell (1), insulator foot (2) and terminal (3), described metal shell comprises a cylindrical portion (11) and a holder (12), and described cylindrical portion is connected by a junction (13) with holder, forms an accommodation space (14) in the described cylindrical portion; Described 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 described insulator foot places in the accommodation space of described metal shell; Described terminal comprises plate body (31) and at least one contact arm (32), described terminal is placed in the body of described insulator foot, it is characterized in that: the medial surface at the corresponding pressing plate of the body place of the pressing plate medial surface of described insulator foot and insulator foot is respectively equipped with layer of metal layer (4).
2. coaxial connector according to claim 1 is characterized in that: described 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 described terminal is provided with two contact arms, these two contact arms are all drawn close towards the center, same side of terminal body, the body other end of this terminal and dorsad a side of described contact arm be provided with hangnail (33).
4. coaxial connector according to claim 3, it is characterized in that: described hangnail is two, and is symmetrically distributed on the dual-side of the other end of described terminal body.
5. coaxial connector according to claim 1, it is characterized in that: be provided with at least one projection (6) in the cylindrical portion inboard of described metal shell, on the body lateral surface of described insulator foot to being provided with the groove (7) that is complementary with this at least one projection by at least one high spot.
6. according to each described coaxial connector in the claim 1 to 5, it is characterized in that: be provided with along cylindrical portion extension supporting part (15) radially outside the cylindrical portion of described metal shell is provided with a side direction of connecting portion, 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 described holder is extended to form by described connecting portion and this lamellar body both sides are again constituted, and are provided with several arcuation projections (18) at described lamellar body medial surface, are provided with a plurality of side projections (19) in described clamping limb inboard.
7. according to each described coaxial connector in the claim 1 to 5, it is characterized in that: the body of described insulator foot is hollow, and is communicated with a through hole (24) of described body, and the periphery of described ringwall forms contracting district (25) in; The outside of described 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 described body of described pressing plate forms the depressed area (29) of arc, and the depressed area of this pressing plate and the junction of described 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 described metal shell forms an end difference (151) towards contracting outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210026218 CN103247897A (en) | 2012-02-08 | 2012-02-08 | Coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210026218 CN103247897A (en) | 2012-02-08 | 2012-02-08 | Coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103247897A true CN103247897A (en) | 2013-08-14 |
Family
ID=48927218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210026218 Pending CN103247897A (en) | 2012-02-08 | 2012-02-08 | Coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103247897A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416840A (en) * | 2018-04-28 | 2019-11-05 | 电连技术股份有限公司 | A kind of curved formula Minisize coaxial connector |
-
2012
- 2012-02-08 CN CN 201210026218 patent/CN103247897A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416840A (en) * | 2018-04-28 | 2019-11-05 | 电连技术股份有限公司 | A kind of curved formula Minisize coaxial connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130814 |