CN105244696A - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN105244696A CN105244696A CN201410243970.4A CN201410243970A CN105244696A CN 105244696 A CN105244696 A CN 105244696A CN 201410243970 A CN201410243970 A CN 201410243970A CN 105244696 A CN105244696 A CN 105244696A
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- CN
- China
- Prior art keywords
- terminal
- electric connector
- signal terminal
- insulating body
- accepting groove
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- 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.)
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Abstract
The invention discloses an electric connector, which comprises an insulating body, signal terminal pairs accommodated in the insulating body and grounding terminals accommodated in the insulating body, wherein the insulating body is provided with a plurality of terminal accommodating slots, each signal terminal pair comprises a first signal terminal and a second signal terminal, each signal terminal comprises a contact arm extending into the corresponding terminal accommodating slot, the grounding terminals are located between adjacent signal terminal pairs along a horizontal direction of the electric connector, and each grounding terminal comprises a matching arm extending into the corresponding terminal accommodating slot and a welding pin extending out of the insulating body. The characteristics lie in that each welding pin comprises a bottom wall and side walls, and a gap is formed at the intersection part of the bottom wall and each side wall. Compared with the prior art, the welding pin of the electric connector is provided with the gaps, thereby being conducive to tin climbing in welding, and thus ensuring effective electrical connection between the welding pin and a circuit board.
Description
Technical field
The present invention relates to a kind of electric connector, particularly relate to a kind of in order to welding high-frequency electric connecter on circuit boards.
Background technology
Existing high-frequency electric connecter generally includes insulating body, be installed on difference signal terminal in described insulating body to and two adjacent groups difference signal terminal between earth terminal.When earth terminal does not all weld on circuit boards, the shield effectiveness of described earth terminal will lose efficacy.In order to prevent the situation causing shielding to lose efficacy because earth terminal does not all weld on circuit boards, existing high-frequency electric connecter is also provided with ground strip usually, and described earth terminal is connected in series by described ground strip.Described earth terminal is provided with some teeth usually, and described ground strip and described tooth are assembled by rigid interference.Setting like this, on the one hand, can because larger interfering edge brings difficulty to assembling; On the other hand, the coating on ground strip can be made to be scraped by rigid interference assembling, thus make ground strip be easy to oxidized, and then affect its electric connection performance.In addition, increase by a ground strip assembling procedure also can be caused to become many, production cost uprise.
In view of the above problems, be necessary to be further improved existing electric connector, to solve the problem.
Summary of the invention
For the deficiencies in the prior art, the technical problem that the present invention solves is to provide a kind of electric connector, and the welding foot of this electric connector is provided with breach, thus climbs tin when being conducive to welding, and then guarantees that described welding foot and circuit board are effectively electrically connected.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of electric connector, comprise insulating body, be housed in signal terminal in described insulating body to and the earth terminal that is housed in described insulating body, described insulating body is provided with some terminal containing slots, described signal terminal pair, earth terminal is housed in described terminal containing slot, described signal terminal is to comprising the first signal terminal and secondary signal terminal, and each signal terminal comprises the contact arm extended in corresponding terminal accepting groove, described earth terminal along described electric connector laterally adjacent described signal terminal between, described earth terminal comprises the engagement arm extended in corresponding terminal accepting groove and the welding foot stretching out described insulating body, described welding foot comprises diapire and sidewall, and described diapire and described sidewall intersection are formed with breach.
Further, described breach has the guiding walls connecting described diapire and described sidewall.
Further, the angle between described guiding walls and described diapire is 15 degree.
Further, described sidewall is provided with to cave inward from described sidewall and is formed and run through the groove of described diapire, and described groove is described breach.
Further, described insulating body comprises main part and protrudes out forward the docking section of formation from described main part, described docking section is provided with interface, described main part is provided with the installed surface relative with described interface and runs through the host cavity of described installed surface, described terminal containing slot comprises the upper terminal accepting groove and lower terminal accepting groove that run through described interface, and described upper terminal accepting groove, lower terminal accepting groove are all connected with described host cavity; Described signal terminal is to comprising the first collets being overlying on described first signal terminal periphery and the second collets being overlying on described secondary signal terminal periphery, and described first collets, the second collets are all contained in described host cavity; The described contact arm of each signal terminal comprises two and extends into upper contact arm in described upper terminal accepting groove and two lower contact arms extended in described lower terminal accepting groove; The extension that each earth terminal comprises base portion and extends to form forward from described base portion, described engagement arm comprises the upper auxiliary section extended to form forward from described extension upper end and the lower auxiliary section extended to form forward from described extension lower end.
Further, described contact arm and described engagement arm are arranged along the lateral alignment of described electric connector.
Further, described docking section is also provided with the upper slot and lower slot that run through described interface, described upper terminal accepting groove is positioned at the both sides up and down of described upper slot, described lower terminal accepting groove is positioned at the both sides up and down of described lower slot, and described upper contact arm, lower contact arm protrude in described upper slot, lower slot respectively.
Further, both sides, described docking section are also provided with guide channel.
Further, described electric connector also comprises installation sheet, and described main part lateral margin is provided with the mounting groove running through described main part from front to back, and described installation sheet is arranged in described mounting groove, and protrudes out described mounting groove.
Further, described main part is also provided with the some boss and some reference columns that protrude described installed surface backward.
The invention has the beneficial effects as follows: compared to prior art, the welding foot of electric connector of the present invention is provided with breach, thus climbs tin when being conducive to welding, and then guarantees that described welding foot and circuit board are effectively electrically connected.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of electric connector of the present invention.
Fig. 2 is the three-dimensional exploded view of electric connector shown in Fig. 1.
Fig. 3 is the three-dimensional exploded view of another angle of electric connector shown in Fig. 1.
Fig. 4 be signal terminal to, earth terminal cooperatively interacts time schematic perspective view.
The schematic perspective view of another angle of Fig. 5 when to be signal terminal cooperatively interact to, earth terminal.
Fig. 6 is the front view of signal terminal.
Fig. 7 is the front view of earth terminal.
Fig. 8 is the partial enlarged drawing of earth terminal.
Fig. 9 is the schematic perspective view of another execution mode of the earth terminal of electric connector of the present invention.
Figure 10 is the partial enlarged drawing of earth terminal shown in Fig. 9.
Figure 11 is the schematic perspective view of the another execution mode of the earth terminal of electric connector of the present invention.
Figure 12 is the partial enlarged drawing of earth terminal shown in Figure 11.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with the drawings and specific embodiments.
Refer to shown in Fig. 1 and Fig. 2, illustrative embodiments of the present invention disclose a kind of high-frequency electric connecter 100, and it is in order to be welded on circuit board (non-icon) to connect with butt-jointed electric connector (not shown).Described electric connector 100 comprises insulating body 10, be contained in some signal terminals in described insulating body 10 to 20, the installation sheet 40 that is contained in the some earth terminals 30 in described insulating body 10 and is arranged on described insulating body 10.Described signal terminal is arranged side by side along the transverse direction of described electric connector 100 to 20, described earth terminal 30 along described electric connector 100 laterally between adjacent signal terminal is to 20.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, described insulating body 10 comprises main part 11, protrudes out forward the docking section 12 of formation and be positioned at the shelter wall 13 of described upper end, docking section 12 or lower end from described main part 11.Described main part 11 is provided with installed surface 111 and runs through the host cavity 112 of described installed surface 111 backward.Described docking section 12 is provided with the interface 121 be oppositely arranged with described installed surface 111 and the some terminal containing slots 122 running through forward described interface 121.Described host cavity 112 is interconnected with described terminal containing slot 122.Described docking section 12 is provided with and is positioned at both sides and guide channel 123 in order to match with described butt-jointed electric connector.In addition, described docking section 12 is also provided with the upper slot 124 and lower slot 125 that run through described interface 121.Described upper slot 124, lower slot 125 are in order to accommodate the hyoplastron (not shown) of described butt connector.Described terminal containing slot 122 comprises the some upper terminal accepting grooves 1221 being positioned at described upper slot about 124 both sides and the some lower terminal accepting grooves 1222 being positioned at described lower slot about 125 both sides.Described upper terminal accepting groove 1221 is interconnected with described upper slot 124, and described lower terminal accepting groove 1222 is interconnected with described lower slot 125.In addition, refer to shown in Fig. 2, Fig. 3, described main part 11 is also provided with the some boss 113, the some reference columns 114 that protrude described installed surface 111 backward and is positioned at described main part 11 lateral margin and runs through the mounting groove 115 of described main part 11 from front to back, and described boss 113 and reference column 114 are all in order to match with described circuit board.Described installation sheet 40 is arranged in described mounting groove 115, and stretches out described mounting groove 115 to match with described circuit board.
Refer to shown in Fig. 4, Fig. 5 and Fig. 6, described signal terminal comprises the first signal terminal 21 and secondary signal terminal 22 to 20, and the first adjacent signal terminal 21 forms a difference signal terminal pair with secondary signal terminal 22.In illustrative embodiments of the present invention, described first signal terminal 21 is all be installed in described insulating body 10 with the form of terminal module with secondary signal terminal 22.Wherein, described signal terminal comprises the first collets 25 being overlying on described first signal terminal 21 periphery and the second collets 26 being overlying on described secondary signal terminal 22 periphery to 20.Described first collets 25, second collets 26 are in order to be inserted in described host cavity 112.Each signal terminal comprises and is contained in contact arm 23 in described terminal containing slot 122 and some weld parts 24 in order to be welded on described circuit board.In illustrative embodiments of the present invention, described contact arm 23 comprises two and extends into upper contact arm 231 in described upper terminal accepting groove 1221 and two lower contact arms 232 extended in described lower terminal accepting groove 1222.Described upper contact arm 231 and described lower contact arm 232 protrude into described upper slot 124 respectively with in described lower slot 125, to match with the hyoplastron of described butt connector.
The extension 32 refer to shown in Fig. 7 and Fig. 8, described earth terminal 30 comprises base portion 31, extending to form forward from described base portion 31, to extend forward from described extension 32 upper end and to be contained in upper auxiliary section 33 in corresponding upper terminal accepting groove 1221, to extend forward from described extension 32 lower end and the lower auxiliary section 34 be contained in corresponding lower terminal accepting groove 1222 and extending back the some welding foots 35 formed from described base portion 31.The weld part 24 of described signal terminal and the welding foot 35 of described earth terminal 30 are all in order to be welded on described circuit board, and described circuit board is parallel to described interface 121.In illustrative embodiments of the present invention, described upper auxiliary section 33 is all arranged in cantilever-shaped engagement arm 36 with described lower auxiliary section 34.Refer to shown in Fig. 4, Fig. 5, after having assembled, the contact arm 23 of described signal terminal is arranged with the lateral alignment of the engagement arm 36 of described earth terminal 30 along described electric connector 100.
Refer to shown in Fig. 8, described welding foot 35 comprises diapire 351 and some sidewalls 352 perpendicular to described diapire 351, described diapire 351 is formed with breach 353 to climb tin when welding with described sidewall 352 intersection, thus guarantees to be formed between described welding foot 35 and described circuit board to be effectively electrically connected.Described breach 353 has the guiding walls 354 connecting described diapire 351 and described sidewall 352, and the angle between described guiding walls 354 and described diapire 351 is 15 degree.In the execution mode shown in Fig. 8, described breach 353 be formed at described welding foot 35 between narrower sidewall 352 and described diapire 351.
Fig. 9 and Figure 10 shows that the earth terminal 50 of another embodiment of the present invention, its structure is substantially identical with the structure of described earth terminal 30, the structure of identical part repeats no more, and only the breach 513 of the present embodiment earth terminal 50 is formed between the broad side wall 511 of welding foot 51 and diapire 512.Described breach 513 has the guiding walls 514 connecting described sidewall 511 and described diapire 512, and the angle between described guiding walls 514 and described diapire 512 is 15 degree.
Figure 11 and Figure 12 shows that the earth terminal 60 of further embodiment of this invention, its structure is substantially identical with the structure of described earth terminal 30, the structure of identical part repeats no more, and only the breach 613 of the present embodiment earth terminal 60 is formed between the broad side wall 611 of welding foot 61 and diapire 612.The broad side wall 611 of welding foot 61 is provided with from described sidewall 611 cave inward formed groove 614, described groove 614 runs through described diapire 612.Described groove 614 is described breach 613.
Compared to prior art, because described welding foot 35,51,61 is provided with breach 353,513,613, thus climb tin when being conducive to welding, and then guarantee that described welding foot 35,51,61 and described circuit board are effectively electrically connected.
Of particular note, for the person of ordinary skill of the art, done for equivalence change of the present invention under the teachings of the present invention, must be included in the scope that the present patent application the scope of the claims advocates.
Claims (10)
1. an electric connector, comprise insulating body, be housed in signal terminal in described insulating body to and the earth terminal that is housed in described insulating body, described insulating body is provided with some terminal containing slots, described signal terminal pair, earth terminal is housed in described terminal containing slot, described signal terminal is to comprising the first signal terminal and secondary signal terminal, and each signal terminal comprises the contact arm extended in corresponding terminal accepting groove, described earth terminal along described electric connector laterally adjacent described signal terminal between, described earth terminal comprises the engagement arm extended in corresponding terminal accepting groove and the welding foot stretching out described insulating body, it is characterized in that: described welding foot comprises diapire and sidewall, described diapire and described sidewall intersection are formed with breach.
2. electric connector as claimed in claim 1, is characterized in that: described breach has the guiding walls connecting described diapire and described sidewall.
3. electric connector as claimed in claim 2, is characterized in that: the angle between described guiding walls and described diapire is 15 degree.
4. electric connector as claimed in claim 1, is characterized in that: described sidewall is provided with to cave inward from described sidewall and is formed and run through the groove of described diapire, and described groove is described breach.
5. as the electric connector in Claims 1-4 as described in any one, it is characterized in that: described insulating body comprises main part and protrudes out forward the docking section of formation from described main part, described docking section is provided with interface, described main part is provided with the installed surface relative with described interface and runs through the host cavity of described installed surface, described terminal containing slot comprises the upper terminal accepting groove and lower terminal accepting groove that run through described interface, and described upper terminal accepting groove, lower terminal accepting groove are all connected with described host cavity; Described signal terminal is to comprising the first collets being overlying on described first signal terminal periphery and the second collets being overlying on described secondary signal terminal periphery, and described first collets, the second collets are all contained in described host cavity; The described contact arm of each signal terminal comprises two and extends into upper contact arm in described upper terminal accepting groove and two lower contact arms extended in described lower terminal accepting groove; The extension that each earth terminal comprises base portion and extends to form forward from described base portion, described engagement arm comprises the upper auxiliary section extended to form forward from described extension upper end and the lower auxiliary section extended to form forward from described extension lower end.
6. electric connector as claimed in claim 5, is characterized in that: described contact arm and described engagement arm are arranged along the lateral alignment of described electric connector.
7. electric connector as claimed in claim 5, it is characterized in that: described docking section is also provided with the upper slot and lower slot that run through described interface, described upper terminal accepting groove is positioned at the both sides up and down of described upper slot, described lower terminal accepting groove is positioned at the both sides up and down of described lower slot, and described upper contact arm, lower contact arm protrude in described upper slot, lower slot respectively.
8. electric connector as claimed in claim 7, is characterized in that: both sides, described docking section are also provided with guide channel.
9. electric connector as claimed in claim 8, it is characterized in that: described electric connector also comprises installation sheet, described main part lateral margin is provided with the mounting groove running through described main part from front to back, and described installation sheet is arranged in described mounting groove, and protrudes out described mounting groove.
10. electric connector as claimed in claim 9, is characterized in that: described main part is also provided with the some boss and some reference columns that protrude described installed surface backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243970.4A CN105244696A (en) | 2014-06-04 | 2014-06-04 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243970.4A CN105244696A (en) | 2014-06-04 | 2014-06-04 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105244696A true CN105244696A (en) | 2016-01-13 |
Family
ID=55042240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410243970.4A Pending CN105244696A (en) | 2014-06-04 | 2014-06-04 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105244696A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999018886A1 (en) * | 1997-10-10 | 1999-04-22 | Corbitt John D Jr | Breast implant |
-
2014
- 2014-06-04 CN CN201410243970.4A patent/CN105244696A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999018886A1 (en) * | 1997-10-10 | 1999-04-22 | Corbitt John D Jr | Breast implant |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160113 |