CN103117470A - Coaxial connector - Google Patents
Coaxial connector Download PDFInfo
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- CN103117470A CN103117470A CN201310091528XA CN201310091528A CN103117470A CN 103117470 A CN103117470 A CN 103117470A CN 201310091528X A CN201310091528X A CN 201310091528XA CN 201310091528 A CN201310091528 A CN 201310091528A CN 103117470 A CN103117470 A CN 103117470A
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Abstract
The invention provides a coaxial connector which comprises an insulating body and a switch terminal. The insulating body is provided with an accommodating hole. The switch terminal comprises a fixed terminal and a movable terminal which are arranged oppositely. The fixed terminal is provided with a first fixed portion and two first contact portions extending to two sides of the accommodating hole from the first fixed portion. The movable terminal is provided with a second fixed portion, a cantilever extending towards the fixed terminal direction from the second fixed portion and a contact arm vertically connected with the cantilever. The contact arm is provided with a butting connection portion and extending arms, wherein the butting connection portion exposes in the accommodating hole upward, and the extending arms extend towards two sides form the butting connection portion and are provided with a second contact portion which is located at the free tail end and is downward in butting connection with the first contact portions. The insulating body is further provided with support blocks and a moving space, wherein the support blocks are arranged at the lower portion between the second contact portion and the butting connection portion, and the moving space is arranged between the support blocks and used for the butting connection portion to move downward. The support blocks serve as support points to enable the second contact portion to move upward and be separated from the first contact portions when the central conductor is downward in butting connection with the butting connection portion.
Description
Technical field
The present invention relates to a kind of coaxial connector, relate in particular to a kind of coaxial connector with switch terminal.
Background technology
Prior art related to the present invention sees also a kind of coaxial connector with switch terminal that discloses for No. 1238931C in the Chinese invention patent CN of on January 25th, 2006 bulletin.This coaxial connector have the hole of the center conductor that can accommodate coaxial plug insulation shell, hide in the shielding casing in the outside of this insulation crust and be fixed on insulation shell and be positioned at fixed terminal and the movable terminal of the below in described hole; Described fixed terminal is provided with the horizontal and unsettled contact site that is positioned the downward projection of lower surface at the interior fixed part of insulation shell and place, self-retaining section centre position; Described movable terminal is provided with the elastic portion below the contact site that is fixed in the fixed part on insulation shell and is positioned at described fixed terminal; Described elastic portion tilts to extend upward and is cantilever-designed from fixed part one end of described movable terminal.When the center conductor of coaxial plug does not insert in the hole of insulation shell, the make progress contact site of the described fixed terminal of butt of the elastic portion of described movable terminal; When the center conductor of coaxial plug inserts in the hole of insulation shell, described center conductor compresses the elastic portion of movable terminal downwards, and then make elastic portion move down and break away from and the contacting of the contact site of fixed terminal, namely disconnect being connected of fixed terminal and movable terminal.As known from the above, the elastic portion of this kind movable terminal be inclined upwardly extend and with the contact site butt of fixed terminal, the positive force of the elastic portion that this kind designs is less, and after long-time the use, the elastic force of elastic portion easily weakens, and then causing the contact impedance between movable terminal and fixed terminal unstable, contact reliability is poor.
Therefore, be necessary to provide a kind of improved coaxial connector to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of coaxial connector that improves the contact reliability of movable terminal and fixed terminal.
For achieving the above object, the invention provides a kind of coaxial connector, comprise insulating body and be fixed in switch terminal on insulating body; Described insulating body is provided with to accommodate the accepting hole of the center conductor of a butt connector; Described switch terminal comprises fixed terminal and the movable terminal that is oppositely arranged; Described fixed terminal is provided with the first fixed part that is fixed on insulating body and two the first contact sites that extend to the accepting hole both sides from the first fixed part; Described movable terminal be provided with the second fixed part of being fixed on insulating body, the cantilever that extends towards the fixed terminal direction from the second fixed part and with cantilever contact arm connected vertically; Described contact arm is provided with the abutting part that upwards is exposed in accepting hole and the adjutage that extends towards both sides from abutting part, and described adjutage is provided with the second contact site that is positioned at free terminal and downward butt the first contact site; Described insulating body also is provided with the back-up block that is arranged at below between described the second contact site and abutting part and is arranged at the mobile space that moves down for abutting part between back-up block; Described back-up block as fulcrum, described the second contact site is moved up when the described abutting part of the downward butt of center conductor and with the first contact portion from.
As a further improvement on the present invention, described back-up block is near described the first contact site setting, and the end face of described back-up block is higher than described the first contact site upper surface.
As a further improvement on the present invention, described insulating body comprises upper body and the lower body that coordinates up and down, and described accepting hole is formed on upper body and runs through up and down upper body, and described fixed terminal and movable terminal are fixed on lower body.
As a further improvement on the present invention, described lower body is provided with base portion and is positioned at base portion both sides and support portion that upwards projection exceeds described base portion, form the resettlement section of accommodating described fixed terminal and movable terminal between described support portion and base portion, described support portion is supported on below described upper body.
As a further improvement on the present invention, described the first fixed part be provided with the first horizontal part of being positioned at the base portion upside and from the first horizontal part both sides respectively to the first interference part of downward-extension, described the first contact site forms from the extension of the both sides, end of the first horizontal part, described the second fixed part be provided with the second horizontal part of being positioned at the base portion upside and from the second horizontal part both sides respectively to the second interference part of downward-extension, the opposite side of described base portion is respectively equipped with the holddown groove that fixes with the first interference part and the second interference part.
As a further improvement on the present invention, described the first contact site is tabular and in the same plane with described the first horizontal part and the second horizontal part, described base portion is provided with the first supporting surface that supports described the first contact site and the first horizontal part and the second supporting surface that supports described the second horizontal part, and the end face of described back-up block is higher than described the first supporting surface and the second supporting surface.
As a further improvement on the present invention, described support portion is provided with the location notch that runs through downwards, described upper body be provided with flat part, from flat part make progress the cylindrical portion of projection and from flat part both sides to downward-extension to locate mutually with described location notch the snap fit that coordinates.
As a further improvement on the present invention, described flat part is provided with downward projection to support the holding block of described the first fixed part and the second fixed part.
the invention has the beneficial effects as follows: in coaxial connector of the present invention, the contact arm setting of movable terminal upwards is exposed to the abutting part in accepting hole and is positioned at the both sides free terminal and the second contact site of downward butt fixed terminal, and at the back-up block that arranges on insulating body below between abutting part on contact arm and the second contact site, thereby make abutting part, back-up block and the second contact site form the structure of a similar seesaw, when the described abutting part of the downward butt of center conductor, described back-up block as fulcrum, described the second contact site is moved up and with the first contact portion from, and then realize the switching function of switch terminal in the present invention, and, center conductor can be regulated by adjusting the present position of back-up block between abutting part and the second contact site the contact force of below between the positive force of contact arm and movable terminal and fixed terminal, and then the contact reliability of raising movable terminal and fixed terminal.
Description of drawings
Fig. 1 is the stereogram of the center conductor of coaxial connector of the present invention and a butt connector;
Fig. 2 is the decomposed figure of coaxial connector in Fig. 1;
Fig. 3 is another part exploded view of coaxial connector after movable terminal is by the center conductor butt in Fig. 1;
Fig. 4 is the further exploded view of coaxial connector in Fig. 2;
Fig. 5 is the three-dimensional exploded view of another angle of coaxial connector in Fig. 4.
Embodiment
Describe the present invention below with reference to each execution mode shown in the drawings.But these execution modes do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or function all is included in protection scope of the present invention.
Please refer to Fig. 1 to the schematic diagram of the center conductor 800 that Figure 5 shows that coaxial connector 100 of the present invention and a butt connector.The shielding casing 3 that described socket coaxial connector 100 comprises insulating body 1, is fixed in the switch terminal 2 on insulating body 1 and hides insulating body 1.Described switch terminal 2 comprises fixed terminal 21 and the movable terminal 22 that is in contact with one another or separates.
To shown in Figure 5, described insulating body 1 comprises upper body 11 and the lower body 12 that coordinates up and down in conjunction with Fig. 1.Described upper body 11 be provided with flat part 13, from flat part 13 upwards projection cylindrical portion 14, from flat part 14 both sides to the snap fit 15 of downward-extension and the accepting hole 16 that runs through up and down described cylindrical portion 14 and flat part 13.The center conductor 800 of described accepting hole 16 in order to accommodate described butt connector.Described cylindrical portion 14 outer surfaces are provided with the fin 141 of outside projection to coordinate with described shielding casing 3 interferences.Described flat part 13 is provided with the projection 132 that pars intermedia 131 reaches from the pars intermedia 131 outside projections in both sides, and described snap fit 15 extends to form downwards from described projection 132.Described pars intermedia 131 is provided with some holding blocks 1311 from the downward projection of its lower surface.
Described lower body 12 is provided with base portion 121 and is positioned at base portion 121 both sides and support portion 122 that upwards projection exceeds described base portion 121.Described base portion 121 be provided with above opposite side with the first supporting surface 1210 and second supporting surface 1211 of the son 21 of support fixed end respectively and movable terminal 22, upwards projection exceeds two back-up blocks 1212 of described the first supporting surface 1210 and the second supporting surface 1211 and is formed on two mobile spaces 1213 between back-up block 1212.In addition, the opposite side of described base portion 121 also is provided with respectively and caves in the holddown groove 1214 of fixing described fixed terminal 21 and movable terminal 22 from the first supporting surface 1210 and the second supporting surface 1211.Form the resettlement section 123 of accommodating described fixed terminal 21 and movable terminal 22 between described support portion 122 and base portion 121.Each described support portion 122 comprises the location division 1222 that stop part 1221 reaches lower than described stop part 1221.The upper surface of described location division 1222 is higher than described base portion 121 end faces, and described location division 1222 be formed with run through up and down with the location notch 1223 of the snap fit 15 phase fixings location of described upper body 11.The pars intermedia 131 of described upper body 11 is between described stop part 1221 and be contained in described resettlement section 123.Described projection 132 is arranged on described location division 1222, so that described projection 132 is supported by described location division 1222, and because of the upper surface of described location division 1222 higher than described base portion 121 end faces, thereby form gap for described movable terminal 22 motions in the flat part 13 of described upper body 11 and the resettlement section 123 between base portion 121.
To shown in Figure 5, described fixed terminal 21 and movable terminal 22 all are fixed on lower body 12, and are oppositely arranged on the both sides of base portion 121 in conjunction with Fig. 1.Described fixed terminal 21 is provided with the first fixed part 211 of being fixed on base portion 121, extends to two the first contact sites 212 of accepting hole 16 both sides and the first weld part 213 that is bent to form from first fixed part 211 other ends from the first fixed part 211 1 ends.Described the first fixed part 211 be provided with the first horizontal part 2111 of being positioned at base portion 121 upsides and from the first horizontal part 2111 both sides respectively to the first interference part 2112 of downward-extension.Described the first interference part 2112 interference are fixed in described holddown groove 1214.Described the first contact site 212 extends from the both sides, end of the first horizontal part 2111 and forms, and two described the first contact sites 212 and the first horizontal part 2111 integral body roughly are U-shaped design.Described the first contact site 212 and the first horizontal part 2111 all are tabular and in the same plane, and are posted by the first supporting surface 1210 of described base portion 121 downwards.Back-up block 1212 on described lower body 12 is between two described the first contact sites 212.Described the first weld part 213 oppositely bends from the first fixed part 211 and forms, and is exposed to the below of lower body 12 downwards.
The cantilever 222 that described movable terminal 22 is provided with the second fixed part 221 of being fixed on lower body 12, extend towards fixed terminal 21 directions from the second fixed part 221 1 ends, with cantilever 222 contact arm 223 connected vertically and from reverse the second weld part 224 that forms of bending of described second fixed part 221 other ends.Described the second weld part 224 is exposed to the below of lower body 12 downwards.Described the second fixed part 221 be provided with the second horizontal part 2211 of being positioned at base portion 121 upsides and from the second horizontal part 2211 both sides respectively to the second interference part 2212 of downward-extension.Described the second horizontal part 2211 is posted by the second supporting surface 1211 of base portion 121 downwards.Described the second interference part 2212 is fixed in described holddown groove 1214.The holding block 1311 of pars intermedia 131 belows of described upper body 11 support on the second horizontal part 2211 of described the first horizontal part 2111 and the second fixed part 221 so that fixed terminal 21 and movable terminal 22 are clamped between upper body 11 and lower body 12.in the present embodiment, described contact arm 223 is towards the simple beam structure of the arch shape of described accepting hole 16 direction projections, , certainly, described contact arm 223 is not arching shape setting also, howsoever, described contact arm 223 all and be provided with the abutting part 2231 that upwards is exposed in accepting hole 16 and two adjutages 2232 that extend respectively towards both sides from abutting part 2231, each described adjutage 2232 is provided with the second contact site 2233 that is positioned at free terminal and is scratch type butt the first contact site 212 downwards, and be arranged on upset section 2234 between described abutting part 2231 and the second contact site 2233.
Described the second contact site 2233 is positioned at the top of the first contact site 212, and before described center conductor 800 compresses described abutting part 2231 downwards downward butt the first contact site 212.Described mobile space 1213 is positioned under described abutting part 2231 to move down for described abutting part 2231 when the center conductor 800 downward described abutting part 2231 of butt.Back-up block 1212 on described lower body 12 is below the upset section 2234 between described the second contact site 2233 and abutting part 2231, described back-up block 1212 and upset section 2234, the second contact site 2233 and abutting part 2231 form the structure of a similar seesaw, described back-up block 1212 is as fulcrum, makes the second contact site 2233 move up to break away from the first contact site 212 by compressing of the 2234 pairs of back-up blocks 1212 in turning part is mobile when center conductor 800 supports described abutting part 2231 downwards.
Described shielding casing 3 comprises the cylindrical portion 31 that hides around the cylindrical portion 14 of described upper body 11 and is connected with cylindrical portion 31 and hides lower house 32 in the flat part 13 of described upper body 11 and lower body 12 outsides.Described lower house 32 be formed with hide the first 321 of flat part 13 upsides and from first's 321 lateral borders to downward-extension and the clasp holding part 322 at lower body 12 downsides.
got by above, in coaxial connector 100 of the present invention, the contact arm 223 of movable terminal 22 arranges and upwards is exposed to the abutting part 2231 in accepting hole 16 and is positioned at the both sides free terminal and the second contact site 2233 of downward butt fixed terminal 21, and at the back-up block 1212 that arranges on insulating body 1 below between abutting part 2231 on contact arm 223 and the second contact site 2233, thereby make abutting part 2231, back-up block 1212 and the second contact site 2233 form the structure of a similar seesaw, when the center conductor 800 downward described abutting part 2231 of butt, described back-up block 1212 makes described the second contact site 2233 move up and separate with the first contact site 212 as fulcrum, and then realize the switching function of switch terminal 2 in the present invention, and, between the positive force of 800 pairs of contact arms 223 of center conductor and movable terminal 22 and fixed terminal 21, the contact force of below can be regulated by the present position of adjustment back-up block 1212 between abutting part 2231 and the second contact site 2233, and then the contact reliability of raising movable terminal 22 and fixed terminal 21.
In addition, in present embodiment, coaxial connector 100 is the simple beam structure design of arch shape by the contact arm 223 with movable terminal 22, be arranged on contact arm 223 prominent position to accepting hole 16 with the abutting part 2231 of center conductor 800 butts, and the second contact site 2233 is arranged on the free terminal of adjutage 2232 on contact arm 223 and the first contact site 212 of downward butt fixed terminal 21, make thus the positive force of contact arm 223 of movable terminal 22 larger, less with the contact impedance of fixed terminal 21; In addition, the second contact site 2233 that described movable terminal 22 is positioned at free terminal contacts with the first contact site 212 formation scratch types, the loose contact that can effectively avoid the contact zone to have dust, break flour etc. and cause, and then can improve the contact reliability of movable terminal 22 and fixed terminal 21.
Be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each execution mode also can through appropriate combination, form other execution modes that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description is only illustrating for feasibility execution mode of the present invention; they are not to limit protection scope of the present invention, all disengaging within equivalent execution mode that skill spirit of the present invention does or change all should be included in protection scope of the present invention.
Claims (8)
1. coaxial connector comprises insulating body and is fixed in switch terminal on insulating body; Described insulating body is provided with to accommodate the accepting hole of the center conductor of a butt connector; Described switch terminal comprises fixed terminal and the movable terminal that is oppositely arranged; It is characterized in that: described fixed terminal is provided with the first fixed part that is fixed on insulating body and two the first contact sites that extend to the accepting hole both sides from the first fixed part; Described movable terminal be provided with the second fixed part of being fixed on insulating body, the cantilever that extends towards the fixed terminal direction from the second fixed part and with cantilever contact arm connected vertically; Described contact arm is provided with the abutting part that upwards is exposed in accepting hole and the adjutage that extends towards both sides from abutting part, and described adjutage is provided with the second contact site that is positioned at free terminal and downward butt the first contact site; Described insulating body also is provided with the back-up block that is arranged at below between described the second contact site and abutting part and is arranged at the mobile space that moves down for abutting part between back-up block; Described back-up block as fulcrum, described the second contact site is moved up when the described abutting part of the downward butt of center conductor and with the first contact portion from.
2. coaxial connector according to claim 1 is characterized in that: described back-up block is near described the first contact site setting, and the end face of described back-up block is higher than described the first contact site upper surface.
3. coaxial connector according to claim 1, it is characterized in that: described insulating body comprises upper body and the lower body that coordinates up and down, described accepting hole is formed on upper body and runs through up and down upper body, and described fixed terminal and movable terminal are fixed on lower body.
4. coaxial connector according to claim 3, it is characterized in that: described lower body is provided with base portion and is positioned at base portion both sides and support portion that upwards projection exceeds described base portion, form the resettlement section of accommodating described fixed terminal and movable terminal between described support portion and base portion, described support portion is supported on below described upper body.
5. coaxial connector according to claim 3, it is characterized in that: described the first fixed part be provided with the first horizontal part of being positioned at the base portion upside and from the first horizontal part both sides respectively to the first interference part of downward-extension, described the first contact site forms from the extension of the both sides, end of the first horizontal part, described the second fixed part be provided with the second horizontal part of being positioned at the base portion upside and from the second horizontal part both sides respectively to the second interference part of downward-extension, the opposite side of described base portion is respectively equipped with the holddown groove that fixes with the first interference part and the second interference part.
6. coaxial connector according to claim 5, it is characterized in that: described the first contact site is tabular and in the same plane with described the first horizontal part and the second horizontal part, described base portion is provided with the first supporting surface that supports described the first contact site and the first horizontal part and the second supporting surface that supports described the second horizontal part, and the end face of described back-up block is higher than described the first supporting surface and the second supporting surface.
7. coaxial connector according to claim 4, it is characterized in that: described support portion is provided with the location notch that runs through downwards, described upper body be provided with flat part, from flat part make progress the cylindrical portion of projection and from flat part both sides to downward-extension to locate mutually with described location notch the snap fit that coordinates.
8. coaxial connector according to claim 7, it is characterized in that: described flat part is provided with downward projection to support the holding block of described the first fixed part and the second fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310091528.XA CN103117470B (en) | 2013-03-21 | 2013-03-21 | Coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310091528.XA CN103117470B (en) | 2013-03-21 | 2013-03-21 | Coaxial connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103117470A true CN103117470A (en) | 2013-05-22 |
| CN103117470B CN103117470B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310091528.XA Active CN103117470B (en) | 2013-03-21 | 2013-03-21 | Coaxial connector |
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| Country | Link |
|---|---|
| CN (1) | CN103117470B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600457A (en) * | 2015-02-26 | 2015-05-06 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch connector |
| CN113594807A (en) * | 2020-04-30 | 2021-11-02 | 富士康(昆山)电脑接插件有限公司 | Radio frequency connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1115183A1 (en) * | 2000-01-07 | 2001-07-11 | Murata Manufacturing Co., Ltd. | Movable terminal, coaxial connector, and communications apparatus incorporating the same |
| CN2689531Y (en) * | 2004-03-11 | 2005-03-30 | 宣得股份有限公司 | coaxial connector |
| CN101702480A (en) * | 2009-11-20 | 2010-05-05 | 昆山嘉华电子有限公司 | Coaxial electric connector with special terminal structure |
| CN202308411U (en) * | 2011-10-19 | 2012-07-04 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN203150851U (en) * | 2013-03-21 | 2013-08-21 | 昆山嘉华电子有限公司 | Coaxial connector |
-
2013
- 2013-03-21 CN CN201310091528.XA patent/CN103117470B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1115183A1 (en) * | 2000-01-07 | 2001-07-11 | Murata Manufacturing Co., Ltd. | Movable terminal, coaxial connector, and communications apparatus incorporating the same |
| CN2689531Y (en) * | 2004-03-11 | 2005-03-30 | 宣得股份有限公司 | coaxial connector |
| CN101702480A (en) * | 2009-11-20 | 2010-05-05 | 昆山嘉华电子有限公司 | Coaxial electric connector with special terminal structure |
| CN202308411U (en) * | 2011-10-19 | 2012-07-04 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN203150851U (en) * | 2013-03-21 | 2013-08-21 | 昆山嘉华电子有限公司 | Coaxial connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600457A (en) * | 2015-02-26 | 2015-05-06 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch connector |
| CN104600457B (en) * | 2015-02-26 | 2017-03-01 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch adapter |
| CN113594807A (en) * | 2020-04-30 | 2021-11-02 | 富士康(昆山)电脑接插件有限公司 | Radio frequency connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103117470B (en) | 2015-06-10 |
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