CN103579803A - Coaxial connector - Google Patents
Coaxial connector Download PDFInfo
- Publication number
- CN103579803A CN103579803A CN201310310422.4A CN201310310422A CN103579803A CN 103579803 A CN103579803 A CN 103579803A CN 201310310422 A CN201310310422 A CN 201310310422A CN 103579803 A CN103579803 A CN 103579803A
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- cylindrical portion
- coaxial connector
- molded body
- resin molded
- conductor
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Abstract
The invention provides a coaxial connector which is hardly to generate solder rising between an outside conductor and a resin forming body and is mini-sized and low in height. The coaxial connector (1) has an outside conductor (2), a center conductor (3), and a resin forming body (4). The outside conductor (2) is provided with a cylinder part (21), base plate connecting parts (22, 24), and a linkage part electrically connects the base plate connecting parts (22, 24) and the cylinder part (21), the center conductor (3) is coaxially arranged in the inner space of the cylinder part (21) with the cylinder part (21), and the resin forming body (4) electrically insulates the outside conductor (2) and the center conductor (3). The surface of the coaxial connector (1) is attached on a circuit substrate, wherein the linkage part is provided with through holes (25a, 25c).
Description
Technical field
The present invention relates to possess and there is the external conductor of cylindrical portion and the center conductor configuring coaxially with said external conductor and surface mount in the coaxial connector of circuit substrate.
Background technology
The electronic equipment such as mobile phone or notebook computer and panel computer or electric equipment possess various electric connectors.Various signal transfer medium for example coaxial cable, flat cable or flexible cable are connected to electric connector, in the inside of this electronic equipment or the transmission of carrying out the signal of telecommunication or electric power between this electronic equipment and external equipment receive.A kind of as such electric connector, known surface is mounted on the coaxial connector (socket connector) of tellite.
Coaxial connector generally possesses and has the external conductor of cylindrical portion and the center conductor configuring coaxially with aforementioned cylindrical portion, externally between conductor and center conductor, configures resin molded body and forms.In addition, the bottom surface of external conductor and center conductor contacts and is soldered to this tellite with tellite.
Resin molded body is installed on external conductor and center conductor in ester moulding metal die and at the inside of this ester moulding metal die potting resin and is shaped, but when coaxial connector is soldered to tellite, produce thermal strain, between resin molded body and external conductor, produce fine clearance.Therefore, the scolder of melting sometimes produces because the phenomenon oozing out into by this fine clearance above resin molded body is that the scolder that capillarity causes rises.Scolder rising becomes the reason with the bad grade of being electrically connected to of the other side's connector.
Especially in recent years, coaxial connector also requires miniaturization and low level, and the height of resin molded body reduces, and the distance above of the face that mounts of tellite and resin molded body reduces.Therefore, easily producing scolder rises.
The invention of the scolder rising of several inhibition coaxial connectors has been proposed.For example, the disclosed coaxial connector of patent documentation 1 has with the external conductor of cylindrical portion and the center conductor configuring coaxially with this cylindrical portion, dielectric (resin molded body) via ester moulding keeps two conductors mutually, forms protuberance and be absorbed in portion on the face contacting with dielectric (resin molded body) of center conductor.
In addition, the disclosed coaxial connector of patent documentation 2 consists of plastic housing (downside insulation shell and upside insulation shell), metal fixed terminal, movable terminal and outside terminal, at downside insulation shell (resin molded body), is formed with the notch of taking in respectively fixed terminal and movable terminal.And this notch has the gap that capillarity degree does not occur between the wire portion (substrate connecting portion) of two terminals and downside insulation shell.
Patent documentation 1: TOHKEMY 2004-221055 communique
Patent documentation 2: TOHKEMY 2001-176612 communique.
Summary of the invention
The problem that invention will solve.
The coaxial connector of patent documentation 1 forms protuberance and is absorbed in portion on the face contacting with dielectric (resin molded body) of center conductor, confining force between center conductor and dielectric (resin molded body) is improved, even if be subject to sweating heat, between center conductor and dielectric (resin molded body), do not produce fine clearance yet, but externally between conductor and dielectric (resin molded body), do not take such strategy.Therefore there is the possibility that externally produces scolder rising between conductor and dielectric (resin molded body).
In addition, the coaxial connector of patent documentation 2 is set the gap that capillarity degree does not occur being located between the notch of downside insulation shell (dielectric) and two terminals (fixed terminal, movable terminal), suppressing scolder rises, but because nearest coaxial connector requires miniaturization and low level consumingly, thereby there is not the more than needed of setting gap.That is, setting such gap contradicts with the requirement of miniaturization and low level.
The present invention In view of the foregoing makes, and its object is, provides and is difficult to externally between conductor and resin molded body, produce the coaxial connector that scolder rises and is suitable for miniaturization and low level.
For the technical scheme of dealing with problems.
In order to reach above-mentioned purpose, coaxial connector involved in the present invention possesses: external conductor, and it has cylindrical portion, contact with tellite and soldered substrate connecting portion and connection part that aforesaid base plate connecting portion and aforementioned cylindrical portion are electrically connected; Center conductor, itself and aforementioned cylindrical portion are configured in the inner space of the cylindrical portion of said external conductor coaxially; And resin molded body, it is filled to the inner space of aforementioned cylindrical portion, by said external conductor and aforementioned center conductor electric insulation, this coaxial connector surface mount is in circuit substrate, wherein, at aforementioned connection part, have the outside through hole that is through to aforementioned cylindrical portion from the inner space of aforementioned cylindrical portion.
Also can be that the sectional area of the aforementioned through hole of the outside end face of the aforementioned connection part of sectional area ratio of the aforementioned through hole of the inner side end of aforementioned connection part is larger.
Also can be, a part for aforementioned resin formed body forms in the outside of aforementioned cylindrical portion, and an aforementioned part is by aforementioned through hole, and continuous with the aforementioned resin formed body of inner space that is positioned at aforementioned cylindrical portion.
Also can be to be formed with the inside of aforementioned cylindrical portion and the outside groove connecting at the end face of the aforementioned circuit substrate-side of aforementioned cylindrical portion.
Also can be, a part for aforementioned resin formed body forms in the outside of aforementioned cylindrical portion, and an aforementioned part is by aforementioned grooves, and continuous with the aforementioned resin formed body of inner space that is positioned at aforementioned cylindrical portion.
The effect of invention.
According to the present invention, in possessing the coaxial connector of external conductor and resin molded body, owing to can making the confining force between external conductor and resin molded body improve, even because of but be subject to sweating heat and be also difficult to the coaxial connector that externally conductor and resin molded body produce fine clearance, be difficult to externally between conductor and resin molded body, produce the coaxial connector that scolder rises, can provide reliability of electrical connection high and be suitable for the coaxial connector of miniaturization and low level.
Accompanying drawing explanation
Fig. 1 is the stereogram of the use state of the related coaxial connector of demonstration embodiments of the present invention.
Fig. 2 is the vertical view of coaxial connector.
Fig. 3 is the upward view of coaxial connector.
Fig. 4 A blocks the sectional view of coaxial connector device with the AA line of Fig. 2.
Fig. 4 B blocks the sectional view of coaxial connector device with the BB line of Fig. 2.
Fig. 5 A observes the stereogram of external conductor from top.
Fig. 5 B is the stereogram from beneath external conductor.
Symbol description:
1 ... coaxial connector
2 ... external conductor
3 ... center conductor
31 ... substrate connecting portion
32 ... contact site
4 ... resin molded body
21 ... cylindrical portion
211 ... contact site
22,23,24 ... substrate connecting portion
25a, 25b, 25c ... through hole
26,27,28 ... connection part
29 ... lower end edge portion
29a, 29b, 29c, 29d ... groove
101 ... main printed circuit substrate.
Embodiment
Below, with reference to accompanying drawing, explain for implementing best mode of the present invention simultaneously.
[external conductor].
[center conductor].
Center conductor 3 is to be disposed at coaxially the inner space of cylindrical portion 21 metal parts contacting with the center conductor of aforementioned coaxial plug with cylindrical portion 21, and metallic plate punch process is shaped.In addition, center conductor 3 has substrate connecting portion 31 and contact site 32, and substrate connecting portion 31 is soldered to the not shown wiring pattern of main printed circuit substrate 101, and contact site 32 contacts with the center conductor of not shown aforementioned coaxial connector plug.
[resin molded body].
Resin molded body 4 is the insulators with center conductor 3 electric insulations by external conductor 2.In addition, resin molded body 4 is placed in external conductor 2 and center conductor 3 not shown ester moulding metal die and this ester moulding metal die of the resin injection of melting is shaped.
A part for resin molded body 4, as shown in Figure 4 A and 4 B shown in FIG., is also formed at the outside of cylindrical portion 21, as depicted in figs. 1 and 2, forms the profile of essentially rectangular in flat shape.In addition, the position that is formed at cylindrical portion 21 outsides of resin molded body 4 is by being formed at through hole 25a, 25b, the 25c of external conductor 2, and continuous with the position that is formed at cylindrical portion 21 inner sides.That is, the position that is formed at cylindrical portion 21 outsides of resin molded body 4 is integrally formed with the position that is formed at cylindrical portion 21 inner sides.In addition, also be appreciated that, the contact site 32 of center conductor 3 erects and outstanding with boss-shaped from substrate connecting portion 31, and center conductor 3 is roughly inverted T-shaped as a whole.
[details of the shape of external conductor].
As shown in Fig. 5 A and Fig. 5 B, externally there is contact site 211 outside of the cylindrical portion 21 of conductor 2, and contact site 211 contacts with the external conductor of not shown aforementioned coaxial connector plug.In addition, between cylindrical portion 21 and substrate connecting portion 22,23,24, there is connection part 26,27,28.By possessing connection part 26,27,28, thereby form gap between cylindrical portion 21 and main printed circuit substrate 101 (with reference to Fig. 1), resin molded body 4 is filled to this gap (with reference to Fig. 4 A, Fig. 4 B), and cylindrical portion 21 is with respect to main printed circuit substrate 101 electric insulations.Through hole 25a, 25b, 25c bore a hole in the approximate centre of the Width of connection part 26,27,28, and through-thickness connects connection part 26,27,28.In addition, the side that sectional area in the hole of through hole 25a, 25b, 25c can be seen in the outside of cylindrical portion 21 in Fig. 5 A is less, and the side that can see in Fig. 5 B in the inner side of cylindrical portion 21 is larger.
In addition, because the lower end edge portion 29 in cylindrical portion 21 is formed with groove 29a, 29b, 29c, 29d, thereby the position that is formed at cylindrical portion 21 outsides of resin molded body 4 is by groove 29a, 29b, 29c, 29d, and continuous with the position that is formed at cylindrical portion 21 inner sides.Therefore, because resin molded body 4 meshes and engages with external conductor 2 in through hole 25a, 25b, 25c and groove 29a, 29b, 29c, 29d, thereby resin molded body 4 is mechanically combined securely with external conductor 2.Therefore, become and be difficult to form the gap of external conductor 2 and resin molded body 4, suppressed to melt the scolder rising of scolder.
In addition, from above overlook the situation (with reference to Fig. 2) of external conductor 2, substrate connecting portion 22,23,24 in the form of a substantially rectangular, is configured to the round general tangential with the flat shape of cylindrical portion 21, and the length direction of this rectangle and the tangent line of aforementioned circle extend abreast.In addition, in Fig. 2, if the flat shape of cylindrical portion 21 is likened into the dial plate of clock and watch, substrate connecting portion 22 is configured in the position of 6, and substrate connecting portion 23 and substrate connecting portion 24 are configured in respectively and position at 9 at 12.
[effect of through hole].
The effect of through hole 25a, 25b, 25c finally, is described.As previously mentioned, generally speaking, in the situation that coaxial connector 1 is soldered to main printed circuit substrate 101 (with reference to Fig. 1), the liquid level that melts scolder is encountered in the bottom surface of substrate connecting portion 22,23,24, melt scolder because capillarity is climbed up the minim gap between external conductor 2 and resin molded body 4, likely produce scolder and rise.Yet, because coaxial connector 1 possesses through hole 25a, 25b, 25c in connection part 26,27,28, thereby the width (resin molded body 4 in the horizontal cross-section of coaxial connector 1 and the length on the border of connection part 26,27,28) that melts the stream that scolder flows through diminishes.Therefore, hinder scolder to rise.In addition, because connection part 26,27,28 is crooked between substrate connecting portion 22,23,24 and cylindrical portion 21, thereby between substrate connecting portion 22,23,24 and cylindrical portion 21, the length of the stream that melting scolder flows through is elongated.Thus, also hinder scolder to rise.Therefore, the scolder that has effectively suppressed to produce in the inner side of cylindrical portion 21 rises, and has suppressed to damage the shape of coaxial connector 1 or has produced bad connection.
In addition, because the sectional area of through hole 25a, 25b, 25c is large and less in the outside of cylindrical portion 21 in the inner side of cylindrical portion 21, thereby can guarantee the horizontal sectional area of guaranteeing required connection part 26,27,28 of intensity and the conductivity of external conductor 2, effectively dwindle the width that melts the stream that scolder flows through simultaneously.
In addition, above-mentioned execution mode is illustrating of the specific embodiment of the present invention, and technical scope of the present invention is not limited by above-mentioned execution mode.In the scope of the technological thought that the present invention can record at claims, freely apply, be out of shape or improve and implement.
Especially, the shape of external conductor 2 is to illustrate, and technical scope of the present invention is not limited by the shape of external conductor 2.For example, the quantity of substrate connecting portion 22,23,24 can at random design.In addition, to a slice connection part 26,27,28 several through hole 25a are set, 25b, 25c are arbitrarily.The width of the stream that in a word, melting scolder flows through reduces and has to be enough to suppress quantity or the big or small through hole that scolder rises.
In addition, in the present invention, " connection part " is " position externally between the cylindrical portion of conductor and substrate connecting portion, both being electrically connected ".That is, also can not possess as connection part 26,27,28 and can clearly distinguish such morphological feature with cylindrical portion 21 and substrate connecting portion 22,23,24.In addition, if cylindrical portion 21 and mechanically directly combination of substrate connecting portion 22,23,24, cylindrical portion 21 is equivalent to " connection part " with the border of substrate connecting portion 22,23,24.
The application advocates the priority of No. 2012-162659, Japanese patent application based on July 23rd, 2012 application, the disclosed basis that all becomes claim of priority in the specification of aforementioned Japanese patent application, claims, accompanying drawing and specification digest.Disclosing in aforementioned Japanese patent application, its whole as with reference to and in this manual involved.
Claims (5)
1. a coaxial connector, possesses:
External conductor, it has cylindrical portion, contact with tellite and soldered substrate connecting portion and connection part that described substrate connecting portion and described cylindrical portion are electrically connected;
Center conductor, itself and described cylindrical portion are configured in the inner space of the cylindrical portion of described external conductor coaxially; And
Resin molded body, it is filled to the inner space of described cylindrical portion, by described external conductor and described center conductor electric insulation,
Described coaxial connector surface mount is in circuit substrate, wherein,
At described connection part, have the outside through hole that is through to described cylindrical portion from the inner space of described cylindrical portion.
2. coaxial connector according to claim 1, is characterized in that, the sectional area of the described through hole of the outside end face of connection part is larger described in the sectional area ratio of the described through hole of the inner side end of described connection part.
3. coaxial connector according to claim 1 and 2, it is characterized in that, a part for described resin molded body forms in the outside of described cylindrical portion, and a described part is by described through hole, and continuous with the described resin molded body of inner space that is positioned at described cylindrical portion.
4. coaxial connector according to claim 1, is characterized in that, at the end face of the described circuit substrate side of described cylindrical portion, is formed with the inside of described cylindrical portion and the outside groove connecting.
5. coaxial connector according to claim 4, it is characterized in that, a part for described resin molded body forms in the outside of described cylindrical portion, and a described part is by described groove, and continuous with the described resin molded body of inner space that is positioned at described cylindrical portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-162659 | 2012-07-23 | ||
| JP2012162659A JP6047973B2 (en) | 2012-07-23 | 2012-07-23 | Coaxial connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103579803A true CN103579803A (en) | 2014-02-12 |
| CN103579803B CN103579803B (en) | 2018-04-20 |
Family
ID=50051060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310310422.4A Active CN103579803B (en) | 2012-07-23 | 2013-07-23 | Coaxial connector |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6047973B2 (en) |
| CN (1) | CN103579803B (en) |
| TW (1) | TWI501487B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075265A (en) * | 2017-12-04 | 2018-05-25 | 昆山杰顺通精密组件有限公司 | Plate is to template radio frequency plug |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6474995B1 (en) * | 2001-10-30 | 2002-11-05 | Hon Hai Precision Ind. Co., Ltd. | Low profile RF connector and method of manufacturing the RF connector |
| CN201048220Y (en) * | 2007-04-29 | 2008-04-16 | 连展科技（深圳）有限公司 | Electrical connector |
| CN102365794A (en) * | 2009-03-27 | 2012-02-29 | 爱沛斯株式会社 | Coaxial connector device |
| CN102474056A (en) * | 2009-07-31 | 2012-05-23 | 株式会社藤仓 | Coaxial connector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6074217A (en) * | 1995-05-25 | 2000-06-13 | Murata Manufacturing Co., Ltd. | Coaxial connector receptacle |
| JPH08330007A (en) * | 1995-05-29 | 1996-12-13 | Sato Seiki:Kk | Electric part for connection |
| JP3346360B2 (en) * | 1999-12-21 | 2002-11-18 | 株式会社村田製作所 | Electronic components, coaxial connectors and communication equipment |
| JP3834309B2 (en) * | 2002-12-26 | 2006-10-18 | ヒロセ電機株式会社 | Coaxial electrical connector |
-
2012
- 2012-07-23 JP JP2012162659A patent/JP6047973B2/en active Active
-
2013
- 2013-07-23 TW TW102126189A patent/TWI501487B/en not_active IP Right Cessation
- 2013-07-23 CN CN201310310422.4A patent/CN103579803B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6474995B1 (en) * | 2001-10-30 | 2002-11-05 | Hon Hai Precision Ind. Co., Ltd. | Low profile RF connector and method of manufacturing the RF connector |
| CN201048220Y (en) * | 2007-04-29 | 2008-04-16 | 连展科技（深圳）有限公司 | Electrical connector |
| CN102365794A (en) * | 2009-03-27 | 2012-02-29 | 爱沛斯株式会社 | Coaxial connector device |
| CN102474056A (en) * | 2009-07-31 | 2012-05-23 | 株式会社藤仓 | Coaxial connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075265A (en) * | 2017-12-04 | 2018-05-25 | 昆山杰顺通精密组件有限公司 | Plate is to template radio frequency plug |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6047973B2 (en) | 2016-12-21 |
| TWI501487B (en) | 2015-09-21 |
| JP2014022315A (en) | 2014-02-03 |
| CN103579803B (en) | 2018-04-20 |
| TW201405978A (en) | 2014-02-01 |
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