CN103682731B - Splicing ear, coaxial electric coupler and wiring construction thereof - Google Patents
Splicing ear, coaxial electric coupler and wiring construction thereof Download PDFInfo
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- CN103682731B CN103682731B CN201310675509.1A CN201310675509A CN103682731B CN 103682731 B CN103682731 B CN 103682731B CN 201310675509 A CN201310675509 A CN 201310675509A CN 103682731 B CN103682731 B CN 103682731B
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- splicing ear
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Abstract
The invention discloses a kind of splicing ear, comprise a terminal bodies and extended to form by two lateral bucklings of terminal bodies respectively, for two contact arms in electrical contact with docking terminal; The force increasing arm that each contact arm all has a prong and is connected with prong, the prong of two contact arms and force increasing arm surround the cavity for docking terminal insertion jointly.The invention also discloses a kind of coaxial electric coupler and the wiring construction thereof that comprise this splicing ear.Two contact arm entirety of splicing ear of the present invention are in double L-shaped encirclement structure, multiple contact point can be formed with when docking termination contact, effective increase contact arm and the forward contact force of docking between terminal, the reliability of contact-enhancing, ensure that splicing ear and docks electrical joint stable, good between terminal.
Description
Technical field
The present invention relates to a kind of splicing ear, comprise the wiring construction of the coaxial electric coupler of this splicing ear and this coaxial electric coupler, be specifically related to one and be applied to the splicing ear of (RadioFrequency) RF application, coaxial electric coupler and wiring construction thereof.
Background technology
The MiniRF line end coaxial electric coupler that current industry is conventional, its signal connecting terminal 1 generally adopts the tuning fork-type configurations with two prongs 11 as shown in Figure 1.As shown in Figure 2 and Figure 3, this tuning-fork-type terminal 1 is realize in electrical contact by two contact points 110 laid respectively on two prongs 11 with docking when terminal 6 docks of plate end socket connector.As shown in Figure 3, when the docking terminal 6 of plate end socket connector inserts, there are burr in various degree in the root due to this docking terminal 6, and because the cantilever of the prong 11 of existing tuning-fork-type terminal 1 is longer, with the forward contact force NF(NormalForce docked between terminal 6) relatively little, therefore these two contact points may be caused to lose efficacy, make this tuning-fork-type terminal 1 can not realize electrical joint with docking between terminal 6, thus cause cannot realizing effective electrical communication between line end coaxial electric coupler and plate end socket connector and breaking phenomena occurring.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, provides a kind of innovative splicing ear, comprises the coaxial electric coupler of this splicing ear and the wiring construction of this coaxial electric coupler.When the docking terminal insertion of plate end socket connector, stable, good electrical joint can be realized with splicing ear of the present invention, effectively avoid causing breaking phenomena because of both loose contacts.
Splicing ear provided by the invention comprises a terminal bodies and is extended to form by two lateral bucklings of terminal bodies respectively, for two contact arms in electrical contact with docking terminal; The force increasing arm that each contact arm all has a prong and is connected with prong, the prong of two contact arms and force increasing arm surround the cavity for docking terminal insertion jointly.
The prong of each contact arm is mutually basic vertical with force increasing arm and be a L-type structure, and two contact arms entirety are in the double L-shaped structure of antisymmetry.
Prong is extended to form by a lateral buckling of terminal bodies, and force increasing arm is then extended to form to side by prong, and the bearing of trend of prong is substantially vertical with the bearing of trend of force increasing arm.
Prong and force increasing arm are shunk to cavity port gradually by terminal bodies in cavity.
At least one force increasing arm is provided with the lug boss towards cavity.Preferably, described boss is in the middle part of force increasing arm.
One end of terminal bodies extends to form one and connects core elastic arm, described in connect core elastic arm be arch-shaped, have towards an arc contact surface of contact arm rightabout projection.The other end of terminal bodies has two projections protruded respectively to both sides.
Described terminal bodies, contact arm and to connect core elastic arm integrally formed by same metal material.Terminal bodies is separately provided with a dozen string holes.
Coaxial electric coupler of the present invention, except comprising aforesaid splicing ear, also comprises the insulation chipware of accommodating described splicing ear, and is arranged on the outer shell that also splicing ear, insulation chipware can be packaged as a whole of described insulation chipware.
As the embody rule of splicing ear of the present invention and coaxial electric coupler, the wiring construction of coaxial electric coupler of the present invention comprises: as previously described coaxial electric coupler and the exposed coaxial cable of end core, coated and realize the electrical joint of the core of coaxial cable and the splicing ear of coaxial electric coupler in the insulation chipware that the core of described coaxial cable is contained in coaxial electric coupler and by the shell of coaxial electric coupler.
The beneficial effect that the present invention reaches:
Two contact arm entirety of splicing ear of the present invention are in double L-shaped encirclement structure, multiple contact point can be formed with when docking termination contact, effective increase contact arm and the forward contact force of docking between terminal, the reliability of contact-enhancing, ensure that splicing ear and docks electrical joint stable, good between terminal.
Accompanying drawing explanation
Fig. 1 is the stereogram of existing tuning-fork-type splicing ear;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the docking schematic diagram of the tuning-fork-type splicing ear shown in docking terminal insertion Fig. 1 of plate end socket connector;
Fig. 4 is the stereogram of the splicing ear according to a preferred embodiment of the present invention;
Fig. 5 is the stereogram at another visual angle of splicing ear shown in Fig. 4;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the docking schematic diagram of the splicing ear shown in docking terminal insertion Fig. 5 of plate end socket connector;
Fig. 8 is the decomposition texture schematic diagram of the coaxial electric coupler according to a preferred embodiment of the present invention, and a coaxial cable is shown simultaneously;
Fig. 9 is the stereogram of the wiring construction of the coaxial electric coupler formed after each element assembling pressing shown in Fig. 8;
Figure 10 is the stereogram at another visual angle of wiring construction of coaxial electric coupler shown in Fig. 9;
In figure, splicing ear 1, prong 11, contact point 110; Splicing ear 2, terminal bodies 21, projection 211, routing hole 212, contact arm 22, prong 221, low point of contact 2211, force increasing arm 222, lug boss 2221, high contact point 2222, connects core elastic arm 23, arc contact surface 231, cavity 24; Insulation chipware 3, insulating body 31, insulated wire pressuring block 32, terminal die cavity 33, junction surface 36, core groove 34, first junction surface 35, second, anti-back draw-in groove 37, spacing card column 38; Shell 4, mount pad 41, bending part 42, container cavity 43, cable clamping interface 44, anti-back fixture block 45, spacing bayonet socket 46, bending sheet 47, holds protruding 471, the first tightly and holds shell fragment 48 tightly, holds protruding 481, the second tightly and holds shell fragment 49 tightly; Cable 5, core 51; Docking terminal 6.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 4, Figure 5 and Figure 6, the splicing ear 2 in the present embodiment comprises: terminal bodies 21, two contact arm 22 and connects core elastic arm 23.Each contact arm 22 all has mutually substantially vertical prong 221 and a force increasing arm 222, and form a L-type structure, between prong 221 with force increasing arm 222, arc transition is connected; Two contact arm 22 entirety form the double L-shaped structure of an antisymmetry, are also centrosymmetric structure.Two contact arms 22 define docking terminal 6(Fig. 7 that can be held insertion) cavity 24, this cavity 24 is generally non-close structure in the circumferential, namely the gap between the prong 221 of one of them contact arm 22 and the force increasing arm 222 of another contact arm 22 is very little, and both are not independently connected.Prong 221 is bent by the lateral margin of terminal bodies 21 and extends to form, and prong 221 connects a force increasing arm 222, force increasing arm 222 is spatially substantially vertical with prong 221.Prong 221 and force increasing arm 222 are shunk gradually by the port of terminal bodies 21 to cavity 24 in cavity 24.At least one force increasing arm 222 is provided with the lug boss 2221 towards cavity 24, this lug boss 2221 can be the convex arc structure that force increasing arm 222 self is as shown in Figure 4, Figure 5 formed, and also can be to be arranged on the structures such as a convex arc structure on force increasing arm 222 or fin in addition.Preferably, this lug boss 2221 is positioned at the middle part of force increasing arm 222, and it also can be positioned at other positions such as the end of force increasing arm 222.
As a kind of preferred version, one end extension of terminal bodies 21 forms one and connects core elastic arm 23, and this connects core elastic arm 23 in arch-shaped, has towards an arc contact surface 231 of contact arm 22 rightabout projection.
As a kind of preferred version, the other end of terminal bodies 21 has the projection 211 protruded respectively to both sides.Usually specular is formed between these two projections 211.
Preferably, terminal bodies 21, contact arm 22 and to connect core elastic arm 23 integrally formed by same metal material.
Preferably, terminal bodies 21 is the straight plate structure in plate face and its inside has visual routing hole 212.
As shown in Figures 4 to 7, when the docking terminal 6 of plate end socket connector inserts, outer of one prong 221 of L-type contact arm 22, another force increasing arm 222 rotates outer, to form a low point of contact 2211(in the port of cavity 24 high for the terminal 6 that docks of prong 221 and the plate end socket connector inserted, low definition take Fig. 4 as reference, actual docking when using be by splicing ear 2 with dock terminal 6 and engage, namely contrary with the abutting direction shown in Fig. 7), lug boss 2221 on force increasing arm 222 forms a high contact point 2222(as shown in Figure 6 with the terminal 6 that docks of the plate end socket connector inserted).In the present embodiment, high and low contact point 2222,2211 is double-make contact, namely splicing ear 2 with dock terminal 6 and realize electrically engaging by 4 contact points.As shown in Figure 4, when each high contact point 2222 contacts corresponding force increasing arm 222 can be subject to a power E vertically upward or F(power F because of viewing angles relation in Fig. 4 not shown), the prong 221 be connected is conducted to from force increasing arm 222 by the conduction of the arm of force, a power E ' tightened up in cavity 24 (power E ' because of viewing angles relation in Fig. 4 not shown) or F ' can be produced to low point of contact 2211, thus strengthen low point of contact 2211 and the contact positive force docked between terminal 6.
Therefore, as mentioned above, when docking terminal 6 and inserting during splicing ear 2, even if there is the impact of the factors such as burr by docking terminal 6 root, under prong 221 to contact with docking terminal 6 situation lost efficacy at low point of contact 2211, force increasing arm 222 is with to dock terminal 6 still effective in the contact of high contact point 2222.Simultaneously, when high contact point 2222 comes into force, an inside tightening force can be produced to low point of contact 2211 simultaneously, increase the original forward contact force longer and relatively little because of the brachium of prong 221 of low point of contact 2211, the reliability of contact-enhancing, thus the drawback that the splicing ear overcoming prior art middle pitch fork structure is only produced by two point cantact, ensure that splicing ear 2 is stable between terminal 6 with docking of plate end socket connector, electrically engage reliably.In other embodiments, except the above-mentioned 4 point cantact modes of employing, 3 point cantact modes also can be adopted to increase splicing ear 2 and the forward contact force of docking between terminal 6.
As shown in Figure 8, coaxial electric coupler of the present invention, except comprising above-mentioned splicing ear 2, also comprises insulation chipware 3 and shell 4.
Need to comprise insulation chipware 3 to the parts of its inside after assembling due to shell 4 and splicing ear 2 encapsulates, so shell 4 generally adopts good metal material such as the gold plated copper of plasticity to make; Because insulation chipware 3 needs to realize the core 51 in coaxial cable 5, the insulation between splicing ear 2 and shell 4, so insulation chipware 3 generally adopts insulating material such as plastic cement to make.
The coaxial electric coupler of indication refers to the coaxial electric coupler being not yet connected coaxial cable 5 be made up of with insulation chipware 3 and shell 4 splicing ear 2 of the present invention in the present invention.Because coaxial electric coupler is not when with cable 5 wiring, the state of its shell 4 and insulation chipware 3 not yet bends to form encapsulation, now also this coaxial electric coupler, as the natural form of single product, will be described in detail it for this natural form therefore just.
Wherein, insulation chipware 3 comprises insulating body 31 and insulated wire pressuring block 32, and wherein insulating body 31 inside is formed with terminal die cavity 33, for providing the space of placing splicing ear 2, insulated wire pressuring block 32.It should be noted that, bottom the terminal die cavity 33 of insulating body 31 inside, be provided with through hole, make the contact arm 22 of splicing ear 2 can realize contacting with the docking terminal 6 of the plate end socket connector outside insulation chipware 3.
In addition, in order to make the core 51 in coaxial cable 5 can contact with the splicing ear 2 in insulation chipware 3, the core groove 34 connected with terminal die cavity 33 in insulating body 31, is also provided with.Insulated wire pressuring block 32 outwards (being illustrated as upwards) projection is formed in the side of insulating body 31, it is bent when assembling, to coordinate the core 51 clamping and compress cable 5 and the insulation realized core 51 with splicing ear 2 simultaneously, therefore its shape needs to agree with mutually with terminal die cavity 33 and core groove 34 when bending.
As a kind of preferred version, insulated wire pressuring block 32 is formed with variform first junction surface 35 and the second junction surface 36 by root to top.Wherein boss can be arranged to towards the inner side joint face of terminal die cavity 33 in the first junction surface 35 and the second junction surface 36, after insulated wire pressuring block 32 is bent downwards, this boss can be positioned at above splicing ear 2 rightly, with the terminal bodies 21 of splicing ear 2 with connect core elastic arm 23 and match core 51 exposed for coaxial cable 5 is firmly clamped between insulated wire pressuring block 32 and splicing ear 2, thus realize electrically engaging reliably between core 51 with splicing ear 2.As further preferred, the top at the second junction surface 36 can be formed with trapezoid block.
Preferably, the groove corresponding with the projection 211 of splicing ear 2 is formed with in terminal die cavity 33.
The effect of shell 4 is that therefore shell 4 is formed with mount pad 41 and bending part 42 for installing and core 51 exposed end of fixed insulation chipware 3 and cable 5.Mount pad 41 shell structure that to be profiles match with the insulating body 31 of insulation chipware 3, having one can the container cavity 43 of housing insulation chipware 3 and cable clamping interface 44.The open top of mount pad 41, be convenient to insulation chipware 3 and core 51 exposed end of the splicing ear 2 in it and cable 5 to be housed in its container cavity 43 respectively with in cable clamping interface 44, its bottom is formed and insulation chipware 3 part can be made to expose but the ledge structure that can limit insulation chipware 3 position.
As preferably, better fix between the two in order to insulation chipware 3 and shell 4 can be made, ensure not relatively rotate and movement between them, be formed with anti-back draw-in groove 37 outside the insulating body 31 of insulation chipware 3, the inside sidewalls correspondence of the mount pad 41 of shell 4 is formed with the anti-back fixture block 45 for clamping anti-back draw-in groove 37; The outside of the insulating body 31 of insulation chipware 3 is separately formed with spacing card column 38, and the sidewall correspondence of the mount pad 41 of shell 4 is formed with spacing bayonet socket 46.
Be fixedly connected with to can effectively form with cable 5, the mount pad 41 of shell 4 is formed for surrounding and clamping the cable clamping interface 44 of cable 5 periphery.Simultaneously, bending part 42 is arranged on bending sheet outside insulated wire pressuring block 32 47 and is arranged on first of bending sheet 47 both sides and holds shell fragment 48 and second tightly and hold shell fragment 49 tightly when being formed with assembling, wherein the first size of holding shell fragment 48 tightly is less than second and holds shell fragment 49 tightly, and second holds shell fragment 49 tightly holds tightly between shell fragment 48 and container cavity 43 first.After installing splicing ear 2, insulation chipware 3 and cable 5, undertaken coated by bending bending sheet 47 pairs of cables 5, and hold shell fragment 48 and second tightly by first and hold shell fragment 49 tightly and respectively cable 5 and cable clamping interface 44 are held tightly and completed encapsulation.
Preferably, in order to hold cable 5 better tightly, first holding shell fragment 48 tightly, the inner side of bending sheet 47 is formed and holds protruding 481,471 tightly.
During assembling, be installed on by splicing ear 2 among insulation chipware 3, insulation chipware 3 is installed in shell 4, erection sequence in no particular order, form the coaxial electric coupler do not encapsulated, then core 51 exposed end of coaxial cable 5 is installed in this coaxial electric coupler, carries out pressing encapsulation.As shown in Figure 9, Figure 10, after shell 4 encapsulates, the exposed core 51 of coaxial cable 5 is held between insulation chipware 3 and splicing ear 2.
In sum, splicing ear 2 of the present invention has an innovation structure, comprise a terminal bodies 21 and extended to form by two lateral bucklings of terminal bodies 21, for two contact arms 22 in electrical contact with docking terminal 6, each contact arm 22 has a prong 221 and the prong 221 of a force increasing arm 222, two contact arms 22 that is connected with prong 221 and force increasing arm 222 surround a cavity 24 for docking terminal 6 and inserting jointly.Two contact arm 22 entirety are in double L-shaped encirclement structure, multiple contact point can be formed when contacting with docking terminal 6, effective increase contact arm 22 and the forward contact force of docking between terminal 6, the reliability of contact-enhancing, ensure that splicing ear 2 and docks electrical joint stable, good between terminal 6.Preferably, force increasing arm 222 is provided with the lug boss 2221 towards cavity 24, contact force increasing arm 222 under the situation lost efficacy at prong 221 with docking terminal 6 and still realize effective contact by this lug boss 2221 with docking terminal 6, and when this lug boss 2221 of force increasing arm 222 effectively contacts with docking terminal 6, an inside tightening force can be produced to the prong 221 be connected simultaneously, increase prong 221 and the forward contact force of docking between terminal 6, the reliability of further contact-enhancing.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (11)
1. a splicing ear, is characterized in that, comprises a terminal bodies and is extended to form by two lateral bucklings of terminal bodies respectively, for two contact arms in electrical contact with docking terminal; The force increasing arm that each contact arm all has a prong and is connected with prong, the prong of two contact arms and force increasing arm surround the cavity for docking terminal insertion jointly;
The prong of each contact arm is mutually basic vertical with force increasing arm and be a L-type structure, and two contact arms entirety are in the double L-shaped structure of antisymmetry.
2. splicing ear according to claim 1, is characterized in that, prong is extended to form by a lateral buckling of terminal bodies, and force increasing arm is then extended to form to side by prong, and the bearing of trend of prong is substantially vertical with the bearing of trend of force increasing arm.
3. splicing ear according to claim 1, is characterized in that, prong and force increasing arm are shunk to cavity port gradually by terminal bodies in cavity.
4. splicing ear according to claim 1, is characterized in that, at least one force increasing arm is provided with the lug boss towards cavity.
5. splicing ear according to claim 4, is characterized in that, described boss is in the middle part of force increasing arm.
6. splicing ear according to claim 1, is characterized in that, one end of terminal bodies extends to form one and connects core elastic arm, described in connect core elastic arm be arch-shaped, have towards an arc contact surface of contact arm rightabout projection.
7. splicing ear according to claim 6, is characterized in that, the other end of terminal bodies has two projections protruded respectively to both sides.
8. splicing ear according to claim 6, is characterized in that, described terminal bodies, contact arm and to connect core elastic arm integrally formed by same metal material.
9. splicing ear according to claim 1, is characterized in that, terminal bodies is provided with a dozen string holes.
10. a coaxial electric coupler, is characterized in that, comprises splicing ear as in one of claimed in any of claims 1 to 9, also comprises:
Accommodate the insulation chipware of described splicing ear, and
Be arranged on the outer shell that also splicing ear, insulation chipware can be packaged as a whole of described insulation chipware.
The wiring construction of 11. 1 kinds of coaxial electric couplers, it is characterized in that, comprise coaxial electric coupler as claimed in claim 10 and the exposed coaxial cable of end core, in the insulation chipware that the core of described coaxial cable is contained in coaxial electric coupler and and that realize the core of coaxial cable and the splicing ear of coaxial electric coupler between electrical joint coated by the shell of coaxial electric coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675509.1A CN103682731B (en) | 2013-12-12 | 2013-12-12 | Splicing ear, coaxial electric coupler and wiring construction thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675509.1A CN103682731B (en) | 2013-12-12 | 2013-12-12 | Splicing ear, coaxial electric coupler and wiring construction thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103682731A CN103682731A (en) | 2014-03-26 |
| CN103682731B true CN103682731B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310675509.1A Active CN103682731B (en) | 2013-12-12 | 2013-12-12 | Splicing ear, coaxial electric coupler and wiring construction thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2520586Y (en) * | 2001-12-26 | 2002-11-13 | 富士康(昆山)电脑接插件有限公司 | Terminal of electric connector |
| CN201117837Y (en) * | 2007-11-24 | 2008-09-17 | 富港电子（东莞）有限公司 | Minisize coaxial connector |
| CN101740966A (en) * | 2008-11-25 | 2010-06-16 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN102709729A (en) * | 2012-06-12 | 2012-10-03 | 昆山科信成电子有限公司 | Connection terminal, coaxial electric connector and wire connecting structure thereof |
| CN203607585U (en) * | 2013-12-12 | 2014-05-21 | 昆山科信成电子有限公司 | Connecting terminal, and coaxial electric connector and wiring structure thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8262409B2 (en) * | 2010-11-29 | 2012-09-11 | Ezconn Corporation | Connection terminal with a base with two upwardly extending sections with angled and oblique edges to clamp an internal conductor of a coaxial cable |
-
2013
- 2013-12-12 CN CN201310675509.1A patent/CN103682731B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2520586Y (en) * | 2001-12-26 | 2002-11-13 | 富士康(昆山)电脑接插件有限公司 | Terminal of electric connector |
| CN201117837Y (en) * | 2007-11-24 | 2008-09-17 | 富港电子（东莞）有限公司 | Minisize coaxial connector |
| CN101740966A (en) * | 2008-11-25 | 2010-06-16 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN102709729A (en) * | 2012-06-12 | 2012-10-03 | 昆山科信成电子有限公司 | Connection terminal, coaxial electric connector and wire connecting structure thereof |
| CN203607585U (en) * | 2013-12-12 | 2014-05-21 | 昆山科信成电子有限公司 | Connecting terminal, and coaxial electric connector and wiring structure thereof |
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| CN103682731A (en) | 2014-03-26 |
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Address after: 215311, Yingbin Road, 1688, Pakistan Town, Kunshan, Jiangsu, Suzhou Patentee after: Kexincheng precision technology (Jiangsu) Co., Ltd Address before: 215311, Yingbin Road, 1688, Pakistan Town, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Cocentra Electronics Co.,Ltd. |
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