CN202172157U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN202172157U CN202172157U CN2011202401412U CN201120240141U CN202172157U CN 202172157 U CN202172157 U CN 202172157U CN 2011202401412 U CN2011202401412 U CN 2011202401412U CN 201120240141 U CN201120240141 U CN 201120240141U CN 202172157 U CN202172157 U CN 202172157U
- Authority
- CN
- China
- Prior art keywords
- electric connector
- circuit board
- receiving space
- insulating body
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses an electric connector which is mounted on an outer circuit board. The electric connector comprises an insulation body; the insulation body comprises a containing space and a bottom ball opposite to the outer circuit board; the bottom wall is provided with support feet in a protruding manner towards the outer circuit board; each support foot is provided with a through hole which penetrates the support foot and is communicated with the containing space, and the support foot leans against the outer circuit board to shelter an opening of the through hole; therefore, high temperature cannot be conducted inside the electric connector through the through holes, and the risk that tin fusion exists at the welding parts of internal electronic components of the electric connector is avoided.
Description
[technical field]
The utility model relates to a kind of electric connector, relates in particular to the anti-thermal structure of insulating body in the electric connector.
[background technology]
The RJ45 electric connector that uses at present generally comprises insulating body and is contained in the plurality of conductive terminals of insulating body.The receiving space that insulating body is provided with in order to accommodate butt connector reaches the diapire towards the external circuit board, and receiving space runs through a side at contiguous interface place and is formed with opening, and the opening both sides form fixture block at the receiving space medial surface.Thereby butt connector fastens closely cooperating of assurance butt connector and electric connector with fixture block after inserting receiving space fully.Said plurality of conductive terminals runs through diapire and is welded on the external circuit board.Will form above-mentioned fixture block in the injection moulding process, therefore die can only need be provided with on the diapire of insulating body and the corresponding through hole of fixture block from the demoulding of insulating body diapire.In the process of welding conducting terminal, high temperature can get into electric connector inside from through hole like this, thereby causes the electronic component of interior welds to have the risk that melts tin.
Therefore, be necessary the aforementioned electric connector is improved to solve aforementioned disadvantages of the prior art in fact.
[utility model content]
The main purpose of the utility model is to provide a kind of and prevents that high temperature gets into the inner electric connector of electric connector in the welding process.
For reaching above-mentioned purpose; The utility model adopts following technical scheme: a kind of electric connector, and in order to be installed on the external circuit board, this electric connector comprises insulating body; Said insulating body comprises receiving space and the diapire relative with the external circuit board; Said diapire convexes with feet towards the external circuit board, and said feet is provided with the through hole that runs through feet and communicate with receiving space, and said feet is resisted against on the external circuit board to block the opening of through hole.
Further, said insulating body is provided with the antetheca that is positioned at the receiving space front side, and receiving space runs through antetheca and forms fluting, and the fluting both sides are provided with the fixture block corresponding with said through hole.
Further, said electric connector comprises the terminal module that is installed on the insulating body, and said terminal module comprises that a sub-circuit board and an end are soldered to the conversion terminal on the sub-circuit board, and the said conversion terminal other end is soldered on the external circuit board.
Further, said terminal module also comprises the butt joint terminal that is soldered on the sub-circuit board, and said butt joint terminal and conversion terminal are positioned at the sub-circuit board both sides.
Further, said terminal module also comprises an insulator, and said insulator comprises room and be positioned at the rear wall of room rear side that said rear wall is being concaved with breach away from room one side; Said sub-circuit board comprises front surface and the back surface relative with front surface, is welded with an electric capacity on the said front surface, and the inserting foot that said electric capacity has is contained in the breach.
Further, be welded with magnetic coil on said second, said magnetic coil further is contained in the room.
Further, said electric connector also comprises shielding casing, and said shielding casing comprises the rear surface that covers rear wall, and said rear surface is die-cut in the breach corresponding position to have shell fragment, this shell fragment and a said inserting foot butt.
Further; Said electric connector also comprises dust cap; Said dust cap comprises horizontally extending main part and extends into the blocked block of receiving space; Said insulating body is provided with and is positioned at the receiving space side walls, and sidewall is provided with the groove that vertically extends in the inboard, and blocked block is fastened in the groove.
Further, said dust cap also is provided with elastic arm, and elastic arm supports in side wall inner surfaces.
Compared with prior art; The advantage of the utility model electric connector is: diapire is convexly equipped with feet towards the external circuit board; Thereby the opening of through hole is blocked by the external circuit board; Make high temperature conduct to electric connector inside, prevent that from there is the risk of molten tin in electric connector internal electronic element weld through through hole.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the utility model electric connector;
Fig. 2 is the part three-dimensional exploded view of the utility model electric connector;
Fig. 3 is the three-dimensional exploded view of the utility model electric connector;
Fig. 4 is the three-dimensional exploded view of the utility model electric connector other direction;
Fig. 5 is the three-dimensional exploded view of the utility model electric connector terminal module;
Fig. 6 is the three-dimensional exploded view of the utility model electric connector terminal module other direction.
[embodiment]
As depicted in figs. 1 and 2, the utility model electric connector 100 comprises insulating body 1, is contained in the shielding casing 3 of the terminal module 2 of insulating body 1, coated insulation body 1, in order to the light-emitting device 4 of indicating electrical connector 100 operating states and prevent the dust cap 5 that dust etc. gets into.
Like Fig. 3 and shown in Figure 4, insulating body 1 comprises receiving space 11, the antetheca 12 that is positioned at receiving space 11 front sides of accommodating butt connector (not shown), is positioned at receiving space 11 side walls 13 and connects antetheca 12 and sidewall 13 and the diapire 14 relative with the external circuit board (not shown).Receiving space 11 runs through antetheca 12 forward and forms fluting 121, and 121 both sides of slotting are provided with fixture block 122, can fasten with fixture block 122 after butt connector inserts, and prevents that accidental from causing signal interruption.At adjacent fixture block 122 places, insulating body 1 is provided with the host cavity 15 of accommodating light-emitting device 4.Antetheca 12 further convexes with first projection 123 forward, and sidewall 13 is provided with the groove 131 that vertically extends in the inboard.Diapire 14 convexes with reference column 141 downwards better electric connector 100 is installed on the external circuit board.In addition, diapire 14 convexes with feet 142 towards the external circuit board, and feet 142 is provided with the through hole 143 that runs through feet 142 and communicate with receiving space 11, and this through hole 143 and fixture block 122 are corresponding and be provided with the opening 144 towards the external circuit board.After electric connector 100 was installed to the external circuit board, the height of feet 142 just equaled the distance of diapire 14 and the external circuit board in the vertical direction.That is, feet 142 supports on the circuit board externally and the opening of through hole 143 144 is blocked by the external circuit board.Insulating body 1 is being provided with container cavity 16 with host side submodule group 2 with antetheca 12 relative rear sides.
Like Fig. 5 and shown in Figure 6, terminal module 2 comprises insulator 21, be installed in sub-circuit board 22 on the insulator 21, be immobilizated in the conversion terminal 23 of insulator 21 and extend into the butt joint terminal 24 of receiving space 11.Insulator 21 is injection molded by plastic material, comprises room 211, is positioned at the lower wall 212 of room 211 downsides and is positioned at the rear wall 213 of room 211 rear sides.Lower wall 214 is provided with some spaced terminal grooves 214 with fixing conversion terminal 23 on longitudinally.Each conversion terminal 23 is roughly L-shaped, comprises horizontally extending holding parts 231, from horizontally extending forward first weld part 232 of holding parts 231 1 ends and second weld part 233 that after the bending of holding parts 231 other ends, extends straight down.Second weld part 233 divides two rows to be welded on the external circuit board on the butt joint direction, and 232 of first weld parts are soldered on the sub-circuit board 22 from back to front.Said rear wall 213 is concaved with breach 215 and outwards convexes with second projection 216 in the side direction away from room 211.The peripheral region temperature can sharply raise in welding process; In the utility model since the opening of through hole 143 144 blocked by the external circuit board; High temperature can't conduct to electric connector 100 inside through through hole 143, thereby prevents that from there is the risk of molten tin in electric connector 100 internal electronic element welds.Butt joint terminal 24 comprises roughly the kink 241 that is " n " shape, from the contact site 242 of the downward-sloping extension of kink 241 1 ends and from the horizontally extending welding foot 243 of kink 241 other ends, this welding foot 243 is soldered to sub-circuit board 22 from front to back.That is, conversion terminal 23 with dock terminal 24 and be positioned at the both sides of sub-circuit board 22.
Like Fig. 3 and shown in Figure 4, shielding casing 3 is formed by sheet metal punching press bending, and this shielding casing 3 comprises the front face 31 that covers insulating body 1 antetheca 12 and covers the rear surface 32 of insulator 21 rear walls 211.Corresponding respectively first projection 123, second projection 216 are provided with that button holds that hole 33, the first projections 123 and button hold that hole 33 cooperates on front face 31 and the rear surface 32, second projection 216 and button hold hole 33 and cooperate and can reach better fixing effect.Rear surface 32 is die-cut at corresponding breach 215 places to have a shell fragment 321, this shell fragment 321 towards inner bending and with grounding leg 251 butts of electric capacity 25, reach the purpose of electric capacity 25 ground connection.In addition, shielding casing 3 also is provided with the elastic portion 34 that is held in insulating body 1 groove 131, so further the retention effect of reinforced insulation body 1 and shielding casing 3.
The utility model is convexly equipped with feet 142 from the diapire 14 of the body 1 that insulate towards the external circuit board; Thereby the opening 144 of through hole 143 is blocked by the external circuit board; Make high temperature conduct to electric connector 100 inside, prevent that from there is the risk of molten tin in electric connector 100 internal electronic element welds through through hole 143.For example: between first weld part 232 and first welding hole 223, guaranteed the stability of signal transmission.
Claims (9)
1. electric connector; In order to be installed on the external circuit board; This electric connector comprises insulating body, and said insulating body comprises receiving space and the diapire relative with the external circuit board, and it is characterized in that: said diapire convexes with feet towards the external circuit board; Said feet is provided with the through hole that runs through feet and communicate with receiving space, and said feet is resisted against on the external circuit board to block the opening of through hole.
2. electric connector as claimed in claim 1 is characterized in that: said insulating body is provided with the antetheca that is positioned at the receiving space front side, and receiving space runs through antetheca and forms fluting, and the fluting both sides are provided with the fixture block corresponding with said through hole.
3. according to claim 1 or claim 2 electric connector; It is characterized in that: said electric connector comprises the terminal module that is installed on the insulating body; Said terminal module comprises that a sub-circuit board and an end are soldered to the conversion terminal on the sub-circuit board, and the said conversion terminal other end is soldered on the external circuit board.
4. electric connector as claimed in claim 3 is characterized in that: said terminal module also comprises the butt joint terminal that is soldered on the sub-circuit board, and said butt joint terminal and conversion terminal are positioned at the sub-circuit board both sides.
5. electric connector as claimed in claim 4 is characterized in that: said terminal module also comprises an insulator, and said insulator comprises room and be positioned at the rear wall of room rear side that said rear wall is being concaved with breach away from room one side; Said sub-circuit board comprises front surface and the back surface relative with front surface, is welded with an electric capacity on the said front surface, and the inserting foot that said electric capacity has is contained in the breach.
6. electric connector as claimed in claim 5 is characterized in that: be welded with magnetic coil on said second, said magnetic coil further is contained in the room.
7. electric connector as claimed in claim 5 is characterized in that: said electric connector also comprises shielding casing, and said shielding casing comprises the rear surface that covers rear wall, and said rear surface is die-cut in the breach corresponding position to have shell fragment, this shell fragment and a said inserting foot butt.
8. electric connector as claimed in claim 1; It is characterized in that: said electric connector also comprises dust cap; Said dust cap comprises horizontally extending main part and extends into the blocked block of receiving space; Said insulating body is provided with and is positioned at the receiving space side walls, and sidewall is provided with the groove that vertically extends in the inboard, and blocked block is fastened in the groove.
9. electric connector as claimed in claim 8 is characterized in that: said dust cap also is provided with elastic arm, and elastic arm supports in side wall inner surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202401412U CN202172157U (en) | 2011-07-08 | 2011-07-08 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202401412U CN202172157U (en) | 2011-07-08 | 2011-07-08 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172157U true CN202172157U (en) | 2012-03-21 |
Family
ID=45830343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202401412U Expired - Fee Related CN202172157U (en) | 2011-07-08 | 2011-07-08 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202172157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107530056A (en) * | 2015-08-31 | 2018-01-02 | 奥林巴斯株式会社 | Endoscope-use connector |
-
2011
- 2011-07-08 CN CN2011202401412U patent/CN202172157U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107530056A (en) * | 2015-08-31 | 2018-01-02 | 奥林巴斯株式会社 | Endoscope-use connector |
| CN107530056B (en) * | 2015-08-31 | 2020-05-15 | 奥林巴斯株式会社 | Connector for endoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20160708 |