CN102315570A - Terminal structure of coaxial connector - Google Patents
Terminal structure of coaxial connector Download PDFInfo
- Publication number
- CN102315570A CN102315570A CN2010102142367A CN201010214236A CN102315570A CN 102315570 A CN102315570 A CN 102315570A CN 2010102142367 A CN2010102142367 A CN 2010102142367A CN 201010214236 A CN201010214236 A CN 201010214236A CN 102315570 A CN102315570 A CN 102315570A
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- China
- Prior art keywords
- metal shell
- insulating base
- terminal
- coaxial connector
- present
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Abstract
The invention discloses a terminal structure of a coaxial connector. The terminal structure comprising a metal shell, an insulating base and a terminal, wherein the metal shell comprises a barrel-shaped part and a cladding part, the barrel-shaped part is connected with the cladding part by a connecting part, and an accommodating space is formed in the barrel-shaped part; the insulating base is provided with a body, a ring wall and a pressing plate, the ring wall and the pressing plate are respectively arranged at the two sides of the body, and the insulating base is arranged in the accommodating space of the metal shell; the terminal is accommodated in the body of the insulating base and provided with a plate body with at least one contact arm; and the plate body of the terminal is provided with one group of corresponding clamping sheets which can clamp one central conductor of one coaxial cable, thus improving the assembly strength of the metal shell, the insulating base and the coaxial cable.
Description
[technical field]
The invention relates to a kind of terminal construction of connector, particularly about a kind of terminal construction that clamps the coaxial connector of coaxial cable center conductor.
[background technology]
China discloses No. 201018147 utility model patent and discloses a kind of High-frequency Coaxial Electric Connector, and it comprises a terminal, an insulator and a metal shell, and this terminal is arranged in this insulator; This insulator is arranged in this metal shell; This insulator is provided with a bent extension, and this extension is provided with a groove, when a wire rod inserts this insulator and when meeting the place with this terminal; See through the extension of bending insulator; Make the groove of wire rod clip extension, force wire rod more closely to contact, continue to be in conducting state to guarantee this wire rod and this terminal with this terminal.
Yet the High-frequency Coaxial Electric Connector of No. 201018147 utility model patent still has following problems on reality is used, for example:
Please read shown in Figure 1; The metal shell portion of the covering bending back cutaway view of No. 201018147 utility model patent should be disclosed; One wire rod 94 comprises a center conductor 941, an insulating barrier 942, a screen 943 and one outer 944, and wherein this insulating barrier 942 between this center conductor 941 and this screen 942 is to be used for preventing that both from electrically conducting.One insulator, 90 a set extension 91 ends are established a flange 92, and flange 92 is tight against metal shell, make this center conductor 941 of groove 93 these wire rod 94 front ends of chucking at its back side.In addition, it is protruding to coat this screen 943 and this skin 944 of this wire rod 94 that this metal shell tail end has two rows.Because this kind connector has less size, desire is difficult to when separating the connector of butt joint grip with hand usually to be pulled out, but by pullling this connector of wire rod 94 pull-ups.On scheming, can clearly find out; Mainly be oppress this insulator 90 again through the part after the bending of this metal shell portion of covering extension 91 to compress this center conductor 941 of wire rod 94 front ends; And protruding this screen 943 and this skin 944 that coats this wire rod 94 of this metal shell tail end two rows, with fixing this insulator 90 and this wire rod 94.Yet; Such structure makes that the bond strength of this metal shell and this insulator 90 and this wire rod 94 is obviously not enough; When pullling this connector of wire rod 94 pull-ups, cause this metal shell, this insulator 90 to get loose easily with this wire rod 94, have a strong impact on the quality that this connector electrically connects.
Die, be necessary to provide a kind of terminal construction of coaxial connector, to solve the existing problem of known techniques.
[summary of the invention]
The present invention's main purpose is to provide a kind of terminal construction of coaxial connector, and it can clamp a center conductor of a coaxial cable by the folder film-making, and then strengthens the assembling intensity of this metal shell and this insulating base frame.
For reaching above-mentioned purpose, the present invention provides a kind of terminal construction of coaxial connector, and it comprises a metal shell, comprises a cylindrical portion and a holder, and said cylindrical portion is connected by a junction with said holder, forms an accommodation space in the said cylindrical portion; One insulating base frame, it is provided with a ringwall and a pressing plate of a body and said body both sides, and said insulating base frame places in the accommodation space of said metal shell; And a terminal, being placed in the body of said insulating base frame, it is provided with a plate body, and said plate body is provided with at least one contact arm; It is characterized in that: the plate body of said terminal is provided with corresponding one group of folder film-making, and said folder film-making can clamp a center conductor of a coaxial cable.
In one embodiment of this invention, the distance between the said folder film-making is slightly less than the diameter of said center conductor.
In one embodiment of this invention, said folder film-making has outwardly directed peristome.
[description of drawings]
Fig. 1: the assembled sectional view of commonly using coaxial connector.
Fig. 2 A: the three-dimensional exploded view of coaxial connector of the present invention.
Fig. 2 B: the three-dimensional exploded view of coaxial connector of the present invention.
Fig. 3 A: the insulating base frame stereogram of coaxial connector of the present invention.
Fig. 3 B: the insulating base frame stereogram of coaxial connector of the present invention.
Fig. 4: the end view of coaxial connector of the present invention.
Fig. 5: the assembling process cutaway view of coaxial connector of the present invention.
Fig. 6: cutaway view is accomplished in the assembling of coaxial connector of the present invention.
Fig. 7 A: coaxial connector of the present invention and banjo assembling sketch map.
Fig. 7 B: figure is accomplished in coaxial connector of the present invention and banjo assembling.
Fig. 7 C: coaxial connector of the present invention separates sketch map with banjo.
Fig. 8 A: the terminal construction stereogram of coaxial connector of the present invention.
Fig. 8 B: cutaway view is accomplished in the assembling of the terminal construction of coaxial connector of the present invention.
[embodiment]
The explanation of relevant embodiments of the invention is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustration the present invention.And the direction term of being mentioned in the present invention, for example " on ", D score, " preceding ", " back ", " left side ", " right side ", " side " etc., only be direction with reference to annexed drawings.These direction terms are in order to explanation and understand the present invention, but not in order to restriction the present invention.In following examples, in different figure, same section is to represent with same numeral.
Address other purpose, characteristic in order to let on the present invention, advantage can be more obviously understandable, hereinafter is lifted preferred embodiment of the present invention with the spy, and cooperates appended graphicly, elaborates as follows.
Please with reference to shown in Fig. 2 A and Fig. 2 B, Fig. 2 A and Fig. 2 B are the three-dimensional exploded views of two different visual angles of coaxial connector of the present invention.The present invention's coaxial connector mainly comprises a metal shell 10, an insulating base frame 20 and a terminal 30.
Please be simultaneously with reference to shown in Fig. 2 A, Fig. 2 B, Fig. 3 A and Fig. 3 B, Fig. 3 A and Fig. 3 B are the stereograms of two different visual angles of insulating base frame of coaxial connector of the present invention.Insulating base frame 20 is processed for insulation materials such as plastics, silica gel, has a body 21, and body 21 both sides are respectively equipped with a ringwall 22 and a pressing plate 23.In the ringwall 22 is hollow; Be communicated with a through hole 25 of body 21, the periphery of ringwall 22 is formed with the district 27 of contracting in, in the district's 27 material breach that are on ringwall 22 excircles that contract; Can be a plane otch as shown in the figure, or the depression of other shape such as arc; In contract district's better position of 27 on ringwall 22, away from a side of body 21 openends.The outside of body is provided with at least one draw-in groove 24, and the inboard of body 21 is provided with at least one stopper slot 26, and a sidewall of body 21 also offers a breach 29.The one side of pressing plate 23 corresponding bodies 21 forms the depressed area 28 of arc, and the depressed area 28 of pressing plate 23 forms a kink 231 with the joint of body 21, and kink 231 has the thickness littler than pressing plate 23, makes pressing plate 231 easily to body 21 bendings.
Please refer again to shown in Fig. 2 A and Fig. 2 B, terminal 30 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 be difficult for oxidation and become the good conductive body.Terminal 30 is formed by a plate body 31 and by at least one contact arm 32 that plate body 31 extends, and quantity the best of contact arm 32 has 2, and its banjo that is used for electrically connecting with desire electrically contacts.
Please with reference to shown in Figure 4, Fig. 4 is one of coaxial connector of the present invention end view.As shown in Figure 4, the extension supporting part 15 of this metal shell 10 has an end difference 15a, and this end difference 15a is this extension supporting part 15 formed position of contracting in the direction outwardly.When this insulating base frame 20 was packed this metal shell 10 into, two corners of the end face of the openend of this insulating base frame 20 (having this breach 29) just in time were sticked on this end difference 15a; In addition, can see also that by Fig. 2 A and Fig. 2 B holder 12 inner faces of this metal shell 10 are provided with at least one arcuation projection 19a, the arcuation of its indent can be outer corresponding with coaxial cable (not illustrating).Moreover these several clamping limb 18 inboards are provided with a plurality of side projection 19b in addition, when this clamping limb 18 coats this coaxial cable, also the effect of pressing this coaxial cable can be provided.
Please be extremely shown in Figure 5 with reference to Fig. 2 A simultaneously, Fig. 5 is the present invention's coaxial connector assembling process cutaway view.Therefore terminal 30 is to insert in the through hole 25 of insulating base frame 20, and contact arm 32 is contained in the stopper slot, and the width of contact arm 32 is slightly less than the width of stopper slot 26, can be with firm being seated among the through hole 25 of terminal 30.Insulating base frame 20 is to insert in the accommodation space 17 of metal shell 10; In the present embodiment; The fluting of the draw-in groove 24 of insulating base frame 20 is the directions towards pressing plate 23, when assembling, is that insulating base frame 20 is packed into by openend 14 directions of metal shell 10 therefore; And projection 16 is stuck in the draw-in groove 24, and insulating base frame 20 is fixed among the accommodation space 17 of cylindrical portion 11.
Please be extremely shown in Figure 6 with reference to Fig. 2 A simultaneously, wherein Fig. 6 is the assembling completion cutaway view of coaxial connector of the present invention.After coaxial cable 40 is placed to the location; Bend the connecting portion 13 of metal shell 10 and the kink 231 of insulating base frame 20 simultaneously; Bending rear fender 23 is covered on the center conductor 41; Because the contact-making surface of pressing plate 23 and center conductor 41 is the depressed area 28 of arc or depression, therefore can center conductor 41 be concentrated on depressed area 28 central authorities simultaneously, the transmission that is beneficial to electric signal is unimpeded.The holder 12 of the metal shell 10 after the bending is covered in coaxial cable 40, with screen 43, the skin 44 of several clamping limb 18 bending double teams extension supporting parts 15 with coaxial cable 40, makes metal shell 10 be fixed on coaxial cable 40.
Please with reference to Fig. 7 A and Fig. 7 B, it is coaxial connector of the present invention and banjo assembling sketch map and assembling completion figure.When the present invention's coaxial connector combines with one of corresponding banjo 50; One center column 52 of 32 pairs of electrotropism contacts of contact arm banjo 50; 11 beckets 53 to electrotropism contact banjo 50 of cylindrical portion, 50 of banjos are fixed on a circuit board or the electronic building brick by a base 51 usually and (do not illustrate).In addition, the coaxial connector of assembling completions is positioned among the ringwall 22 by several clamping limbs 18 of metal shell 10 coaxial cable 40, two contact arms 32 of clamping tightly, and ringwall 22 peripheries are provided with to contract in one and distinguish 27.
Please with reference to shown in Fig. 7 C, it is that coaxial connector of the present invention separates sketch map with banjo.The present invention's coaxial connector certain applications are at minute sized connector (the about 5mm of diameter～10mm); Owing to be difficult for gripping; Therefore when desiring snatch-disconnect connector and banjo, normally pull and separate with banjo 50 after coaxial cable 40 makes the coaxial connector angle of inclination.Because ringwall 22 is provided with the district 27 of contracting in, so during the peripheral extent of the becket of banjo 50 53 incision ringwalls 22, in the district 27 of contracting avoided the sled that turns over of becket 53, make the insulating base frame 20 can be by becket 53 sleds from metal shell 10.
Please with reference to shown in Fig. 8 A, the terminal construction stereogram of coaxial connector of the present invention.In another embodiment of the present invention, the plate body 31 of said terminal 30 is provided with corresponding one group of folder film-making 33, and said folder film-making 33 can clamp the said center conductor 41 of said coaxial cable 40.Preferably, the distance between the said folder film-making 31 is slightly less than the diameter of said center conductor 41.And, shown in Fig. 8 A, said folder film-making 31 has outwardly directed peristome (not indicating), so that center conductor 41 is packed into easily.
Please with reference to shown in Fig. 8 B, cutaway view is accomplished in the assembling of the terminal construction of coaxial connector of the present invention.Because said folder film-making 33 can clamp the said center conductor 41 of said coaxial cable 40, therefore effectively strengthen the assembling intensity of this metal shell 10 and this insulating base frame 20 and this coaxial cable 40.
In sum; Compared to commonly using extension that the part of coaxial electric coupler after through the bending of this metal shell portion of covering oppress this insulator again to compress the wire rod front end; And protruding outer skin and the grid line that coats this wire rod of this metal shell tail end two rows, its structure bond strength is obviously not enough, when pullling this connector of wire rod pull-up; Cause this insulator or this wire rod to get loose easily, have a strong impact on this connector and electrically connect shortcomings such as quality.The present invention can clamp the said center conductor 41 of said coaxial cable 40 by said folder film-making 33, effectively strengthens the assembling intensity of this metal shell 10 and this insulating base frame 20 and this coaxial cable 40.
Though the present invention discloses with preferred embodiment; Right its is not that any personage who has the knack of this skill is in spirit that does not break away from the present invention and scope in order to restriction the present invention; When can doing various changes and modification, so the present invention's protection range is as the criterion when looking the claim person of defining.
Claims (3)
1. the terminal construction of a coaxial connector, it comprises:
One metal shell comprises a cylindrical portion and a holder, and said cylindrical portion is connected by a junction with said holder, forms an accommodation space in the said cylindrical portion;
One insulating base frame, it is provided with a ringwall and a pressing plate of a body and said body both sides, and said insulating base frame places in the accommodation space of said metal shell; And
One terminal is placed in the body of said insulating base frame, and it is provided with a plate body, and said plate body is provided with at least one contact arm;
It is characterized in that: the plate body of said terminal is provided with corresponding one group of folder film-making, and said folder film-making can clamp a center conductor of a coaxial cable.
2. according to claim 1 the terminal construction of coaxial connector, it is characterized in that: the distance between the said folder film-making is slightly less than the diameter of said center conductor.
3. according to claim 1 the terminal construction of coaxial connector, it is characterized in that: said folder film-making has outwardly directed peristome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102142367A CN102315570A (en) | 2010-06-29 | 2010-06-29 | Terminal structure of coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102142367A CN102315570A (en) | 2010-06-29 | 2010-06-29 | Terminal structure of coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102315570A true CN102315570A (en) | 2012-01-11 |
Family
ID=45428487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102142367A Pending CN102315570A (en) | 2010-06-29 | 2010-06-29 | Terminal structure of coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102315570A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015081619A1 (en) * | 2013-12-06 | 2015-06-11 | 友达光电股份有限公司 | Connector fixing piece and connector module using connector fixing piece |
| CN108075272A (en) * | 2016-11-15 | 2018-05-25 | 日本压着端子制造株式会社 | Crimp connecting-type contact and coaxial connector |
-
2010
- 2010-06-29 CN CN2010102142367A patent/CN102315570A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015081619A1 (en) * | 2013-12-06 | 2015-06-11 | 友达光电股份有限公司 | Connector fixing piece and connector module using connector fixing piece |
| US9620902B2 (en) | 2013-12-06 | 2017-04-11 | Au Optronics Corporation | Connector fixing piece and connector module using connector fixing piece |
| CN108075272A (en) * | 2016-11-15 | 2018-05-25 | 日本压着端子制造株式会社 | Crimp connecting-type contact and coaxial connector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Kunshan City Yushan Qunwei Precise Machinery Manufacturing Plant Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120111 |