CN110707453A - Tin-climbing-preventing BTB connector terminal, male socket and connector - Google Patents
Tin-climbing-preventing BTB connector terminal, male socket and connector Download PDFInfo
- Publication number
- CN110707453A CN110707453A CN201910880488.4A CN201910880488A CN110707453A CN 110707453 A CN110707453 A CN 110707453A CN 201910880488 A CN201910880488 A CN 201910880488A CN 110707453 A CN110707453 A CN 110707453A
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- Prior art keywords
- welding
- contact
- component
- tin
- shaped
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/028—Soldered or welded connections comprising means for preventing flowing or wicking of solder or flux in parts not desired
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides a BTB connector terminal, public seat, connector of anti-creep tin, relates to connector technical field, and this BTB connector terminal of anti-creep tin includes welding parts, contact part, welding parts with be provided with crooked structural component between the contact part, crooked structural component's both ends respectively with welding parts contact part is fixed. The lower surface of the welding part is a welding area and is welded with a PCB, the vertical surface of the contact part is a contact area and is butted with a female seat of a BTB connector, and solder paste can climb from the welding part to a bent structure part firstly in the process that a terminal of the BTB connector is welded on the PCB through reflow.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a tin climbing prevention BTB connector terminal, a male socket and a connector.
Background
Board To Board (BTB) connectors are currently a common connector product, and BTB connectors include a male socket of a BTB connector and a female socket of a BTB connector. The male socket of the traditional BTB connector mainly comprises an insulating base and a plurality of T-shaped terminals, the terminals are fixed in the insulating base, the terminals are provided with welding parts and contact parts, the welding parts and the contact parts are integrally formed, the lower surfaces of the welding parts are used for welding a welding area and a PCB (printed Circuit Board), and the vertical surfaces of the contact parts are used for butting the contact area and a female socket of the BTB connector. The T-shaped terminal of the traditional BTB connector is subjected to reflow soldering in the process of a PCB board, solder paste can climb to a terminal contact area from a terminal welding area, short circuit between adjacent pins is easily caused, maintenance difficulty is caused, manpower is wasted, and the situation of poor contact is caused when a male seat and a female seat of the BTB connector are butted.
Disclosure of Invention
One of the objectives of the present invention is to provide a tin-climbing prevention BTB connector terminal, which avoids the defects in the prior art, and can prevent tin paste from climbing from a terminal welding area to a terminal contact area, thereby avoiding short circuit between adjacent pins, facilitating maintenance and reducing labor waste, and avoiding poor contact when a male socket and a female socket of a BTB connector are butted.
The purpose of the invention is realized by the following technical scheme:
the BTB connector terminal comprises a welding part and a contact part, wherein a bent structure part is arranged between the welding part and the contact part, and two ends of the bent structure part are respectively fixed with the welding part and the contact part. The lower surface of welding part supplies with the PCB board welding for the weld zone, the vertical face of contact part supplies with the female seat butt joint of BTB connector for the contact zone, cross reflow soldering in PCB board in-process at BTB connector terminal, the tin cream can climb to on the bending structure part from the welding part earlier, the solder cream that will climb up through the bending structure of bending structure part stops in the bending structure, prevent that the tin cream from climbing to the contact zone of contact part, avoid causing the short circuit between the adjacent pin, be convenient for maintain and reduce the manpower extravagant, bad contact's condition takes place when can also avoiding the public seat of BTB connector and female seat butt joint simultaneously.
Further, the bending structural component comprises at least one U-shaped structure, and when the bending structural component is composed of a plurality of U-shaped structures, the bending structural component is formed in a mode that the plurality of U-shaped structures are connected end to end and are integrally formed. When the solder paste climbs to the bent structural component from the welding component, the solder paste climbed is prevented in the U-shaped groove through the U-shaped groove of the U-shaped structure.
Furthermore, the welding part is L-shaped, one end of the welding part is perpendicular to the U-shaped edge of the U-shaped structure and fixed with the head end of the U-shaped structure, and one end of the contact part is perpendicular to the U-shaped edge of the U-shaped structure and fixed with the tail end of the U-shaped structure. The U-shaped edge of the U-shaped structure is perpendicular to one end of the welding part, the U-shaped edge of the U-shaped structure is perpendicular to one end of the contact part, the U-shaped structure can be guaranteed to be wholly kept horizontal, and the U-shaped groove of the U-shaped structure is favorable for preventing solder paste climbing upwards in the U-shaped groove.
Further, when the bent structural member is mainly composed of a U-shaped structure, the other end of the L-shaped structure of the welding member is directed opposite to the U-shaped mouth of the U-shaped structure to which the welding member is fixed. When the bending structure component is composed of a U-shaped structure, the other end of the L-shaped structure of the welding component points opposite to the U-shaped opening of the U-shaped structure fixed with the welding component, and the L-shaped structure of the welding component and the U-shaped edge of the U-shaped structure can form a structure similar to a U shape, so that solder paste can be further prevented from climbing to a contact area of the contact component.
Further, the welding component, the contact component and the bending structural component are integrally formed. Welding part, contact member and bending structure part set up for integrated into one piece, and the terminal integrated into one piece of being convenient for has reduced middle course of working, has reduced manpower and material resources extravagant.
Further, the surfaces of the welding member and the curved structural member are provided with protective layers, and the surface of the contact member is provided with a conductive layer. The surfaces of the welding component and the bent structure component are provided with the protective layers to prevent the welding component and the bent structure component from being oxidized, and the surface of the contact component is provided with the conductive layer to increase the conductivity of the contact component.
Further, the protective layer is a tin layer, and the conductive layer is a gold layer. The surfaces of the welding component and the bending structural component are provided with tin layers to prevent the welding component and the bending structural component from being oxidized, and the surface of the contact component is provided with gold layers to increase the conductivity of the contact component.
The invention has the beneficial effects that: the tin climbing prevention BTB connector terminal comprises a welding part and a contact part, wherein a bent structure part is arranged between the welding part and the contact part, and two ends of the bent structure part are respectively fixed with the welding part and the contact part. The lower surface of the welding part is a welding area and is welded with a PCB, the vertical surface of the contact part is a contact area and is butted with a female seat of a BTB connector, and solder paste can climb from the welding part to a bent structure part firstly in the process that a terminal of the BTB connector is welded on the PCB through reflow.
The second purpose of the present invention is to provide a male socket for avoiding the disadvantages in the prior art, the male socket uses the above-mentioned anti-solder-creep BTB connector terminal, the lower surface of the soldering part is a welding area for welding with a PCB board, the vertical surface of the contact part is a contact area for butt-joint with a female socket of the BTB connector, during the process of reflow soldering of the BTB connector terminal on the PCB board, solder paste can creep from the soldering part to the bending structure part first, because the solder paste creeping up is stopped in the bending structure by the bending structure of the bending structure part, the solder paste is prevented from creeping up to the contact area of the contact part, short circuit between adjacent pins is avoided, maintenance is facilitated, manpower waste is reduced, and meanwhile, the occurrence of poor contact when the male socket and the female socket of the BTB connector are butt-jointed can be avoided.
The invention also aims to avoid the defects in the prior art and provide a connector, the connector uses the male seat, the lower surface of a welding part is a welding area and is used for welding a PCB, the vertical surface of a contact part is a contact area and is used for butt joint with a female seat of a BTB connector, in the process that a terminal of the BTB connector is welded on the PCB in a reflow mode, solder paste can climb from the welding part to a bent structure part, the upward solder paste is stopped in the bent structure through the bent structure of the bent structure part, the solder paste is prevented from climbing to the contact area of the contact part, short circuit between adjacent pins is avoided, maintenance is facilitated, labor waste is reduced, and meanwhile, the situation of poor contact when the male seat and the female seat of the BTB connector are in butt joint can be avoided.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic view of the overall structure of a tin-climbing-preventing BTB connector terminal of the present invention.
Fig. 2 is a plan view of the overall structure of a tin-climbing preventive BTB connector terminal of the present invention.
The figure includes:
a welding part 1, a contact part 2, a curved structural part 3.
Detailed Description
The invention is further described with reference to the following examples.
Example 1
As shown in fig. 1-2, the tin climbing prevention BTB connector terminal of the present embodiment includes a welding component 1 and a contact component 2, a curved structural component 3 is disposed between the welding component 1 and the contact component 2, and both ends of the curved structural component 3 are respectively fixed to the welding component 1 and the contact component 2. The lower surface of welding part 1 supplies with the PCB board welding for the weld zone, the vertical face of contact part 2 supplies with the female seat butt joint of BTB connector for the contact zone, cross reflow soldering in PCB board in-process at BTB connector terminal, the tin cream can be earlier climbed to on bending structure part 3 from welding part 1, the tin cream that will climb up through bending structure part 3 stops in bending structure, prevent that the tin cream from climbing to contact part 2's contact zone, avoid causing the short circuit between the adjacent pin, be convenient for maintain and reduce manpower extravagant, contact failure's condition takes place when can also avoiding the butt joint of public seat and the female seat of BTB connector simultaneously.
The curved structural member 3 comprises a plurality of U-shaped structures. The bending structural component is formed by connecting a plurality of U-shaped structures end to end and integrally forming. When the solder paste climbs from the soldering part 1 to the bent structural part 3, the solder paste climbed up is stopped in the U-shaped groove by the U-shaped groove of the U-shaped structure.
The welding part 1 is arranged in an L shape, one end of the welding part 1 is perpendicular to the U-shaped edge of the U-shaped structure and fixed with the head end of the U-shaped structure, and one end of the contact part 2 is perpendicular to the U-shaped edge of the U-shaped structure and fixed with the tail end of the U-shaped structure. The U-shaped edge of the U-shaped structure is perpendicular to one end of the welding part 1, the U-shaped edge of the U-shaped structure is perpendicular to one end of the contact part 2, the whole U-shaped structure can be kept horizontal, and the U-shaped groove of the U-shaped structure is favorable for preventing solder paste climbing up in the U-shaped groove.
The welding part 1, the contact part 2 and the bent structural part 3 are integrally formed. Welding part 1, contact member 2 and curved structure part 3 set up for integrated into one piece, and the terminal integrated into one piece of being convenient for has reduced middle course of working, has reduced manpower and material resources extravagant.
The surfaces of the welding member 1 and the curved structural member 3 are provided with protective layers, and the surface of the contact member 2 is provided with a conductive layer. The provision of the protective layer on the surfaces of the welding member 1 and the curved structural member 3 can prevent the welding member 1 and the curved structural member 3 from being oxidized, and the provision of the conductive layer on the surface of the contact member 2 can increase the conductivity of the contact member 2.
The protective layer is a tin layer, and the conductive layer is a gold layer. The provision of the tin layer on the surfaces of the soldering member 1 and the bent structural member 3 can prevent the soldering member 1 and the bent structural member 3 from being oxidized, and the provision of the gold layer on the surface of the contact member 2 can increase the conductivity of the contact member 2.
Example 2
The other structure of this embodiment is the same as that of embodiment 1 except that the bent structural member 3 includes a U-shaped structure, and the other end of the L-shaped structure of the welded member 1 is directed in the opposite direction to the U-shaped mouth of the U-shaped structure to which the welded member 1 is fixed. When the bent structural member 3 is formed of a U-shaped structure, the other end of the L-shaped structure of the soldering member 1 is directed opposite to the U-shaped mouth of the U-shaped structure to which the soldering member 1 is fixed, and the L-shaped structure of the soldering member 1 and the U-shaped edge of the U-shaped structure can form a structure similar to a U, which can further prevent solder paste from climbing to the contact area of the contact member 2.
Example 3
The other structure of this embodiment is the same as that of embodiment 1, except that the welding member 1, the contact member 2 and the curved structural member 3 are not integrally formed, but are separately formed and then the welding member 1 and the contact member 2 are fixed to the front and rear ends of the curved structural member 3.
Example 4
The other structure of this embodiment is the same as that of embodiment 1 except that the surfaces of the welding member 1 and the curved structural member 3 are not provided with the protective layer and the surface of the contact member 2 is not provided with the conductive layer.
Example 5
The other structure of this embodiment is the same as that of embodiment 2 except that the other end of the L-shaped structure of the welding member 1 is directed in the same direction as the U-shaped mouth of the U-shaped structure to which the welding member 1 is fixed.
Example 6
This embodiment provides a male socket, this male socket uses the BTB connector terminal of preventing climbing tin described in any of embodiments 1 to 5, the lower surface of welding part 1 supplies the PCB board for the welded area, the vertical face of contact part 2 supplies the contact area to supply the female socket butt joint of BTB connector for the contact area, in BTB connector terminal crosses the reflow soldering in the PCB board in-process, the solder paste can climb from welding part 1 to curved structure part 3 earlier, because the solder paste that will climb up through curved structure part 3 stops in curved structure, prevent that the solder paste from climbing to the contact area of contact part 2, avoid causing the short circuit between the adjacent pin, be convenient for maintain and reduce the manpower waste, can also avoid the bad circumstances of contact when male socket and female socket of BTB connector butt joint to take place simultaneously.
Example 7
This embodiment provides a connector, this connector uses embodiment 6 the public seat, the lower surface of welding part 1 supplies the PCB board welding for the weld zone, the vertical face of contact part 2 supplies the female seat butt joint of BTB connector for the contact zone, cross the reflow soldering in the PCB board in-process at BTB connector terminal, solder paste can climb to curved structure part 3 from welding part 1 earlier on, because the solder paste that will climb up through curved structure part 3 stops in curved structure, prevent that solder paste from climbing to the contact zone of contact part 2, avoid causing the short circuit between the adjacent pin, be convenient for maintain and reduce the manpower extravagant, the bad condition of contact takes place when can also avoiding the public seat and the female seat butt joint of BTB connector simultaneously.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A tin climbing prevention BTB connector terminal comprises a welding part and a contact part, and is characterized in that: and a bent structural component is arranged between the welding component and the contact component, and two ends of the bent structural component are respectively fixed with the welding component and the contact component.
2. The tin-climbing preventive BTB connector terminal as claimed in claim 1, wherein: the bending structural component comprises at least one U-shaped structure, and when the bending structural component is composed of a plurality of U-shaped structures, the bending structural component is formed in a mode that the plurality of U-shaped structures are connected end to end and are integrally formed.
3. The tin-climbing preventive BTB connector terminal as claimed in claim 2, wherein: the welding part is L-shaped, one end of the welding part is perpendicular to the U-shaped edge of the U-shaped structure and fixed with the head end of the U-shaped structure, and one end of the contact part is perpendicular to the U-shaped edge of the U-shaped structure and fixed with the tail end of the U-shaped structure.
4. The tin-climbing prevention BTB connector terminal according to claim 3, wherein: when the bent structural member is mainly composed of a U-shaped structure, the other end of the L-shaped structure of the welding member is directed opposite to the U-shaped mouth of the U-shaped structure to which the welding member is fixed.
5. The tin-climbing preventive BTB connector terminal as claimed in claim 1, wherein: the welding component, the contact component and the bending structural component are integrally formed.
6. The tin-climbing preventive BTB connector terminal as claimed in claim 1, wherein: the surfaces of the welding component and the bending structure component are provided with protective layers, and the surface of the contact component is provided with a conductive layer.
7. The tin-climbing preventive BTB connector terminal as set forth in claim 6, wherein: the protective layer is a tin layer, and the conductive layer is a gold layer.
8. A male socket, comprising: a terminal of a BTB connector including the tin-climbing preventive according to any one of claims 1 to 7.
9. A connector, characterized by: comprising the male housing of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880488.4A CN110707453A (en) | 2019-09-18 | 2019-09-18 | Tin-climbing-preventing BTB connector terminal, male socket and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880488.4A CN110707453A (en) | 2019-09-18 | 2019-09-18 | Tin-climbing-preventing BTB connector terminal, male socket and connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110707453A true CN110707453A (en) | 2020-01-17 |
Family
ID=69194661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910880488.4A Pending CN110707453A (en) | 2019-09-18 | 2019-09-18 | Tin-climbing-preventing BTB connector terminal, male socket and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110707453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022170550A1 (en) * | 2021-02-10 | 2022-08-18 | Amphenol Corporation | Surface mount electrical connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0582201A (en) * | 1991-06-24 | 1993-04-02 | Mitsubishi Electric Corp | Electronic parts |
| CN1115505A (en) * | 1994-05-30 | 1996-01-24 | 惠特克公司 | Contact and connector using same |
| CN2488187Y (en) * | 2001-05-23 | 2002-04-24 | 富士康(昆山)电脑接插件有限公司 | Electric connector with probe type terminal |
| CN201207538Y (en) * | 2007-10-26 | 2009-03-11 | 富港电子（东莞）有限公司 | Loudspeaker connector |
| CN202121093U (en) * | 2011-06-08 | 2012-01-18 | 昆山德力康电子科技有限公司 | Board-to-board connector |
-
2019
- 2019-09-18 CN CN201910880488.4A patent/CN110707453A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0582201A (en) * | 1991-06-24 | 1993-04-02 | Mitsubishi Electric Corp | Electronic parts |
| CN1115505A (en) * | 1994-05-30 | 1996-01-24 | 惠特克公司 | Contact and connector using same |
| CN2488187Y (en) * | 2001-05-23 | 2002-04-24 | 富士康(昆山)电脑接插件有限公司 | Electric connector with probe type terminal |
| CN201207538Y (en) * | 2007-10-26 | 2009-03-11 | 富港电子（东莞）有限公司 | Loudspeaker connector |
| CN202121093U (en) * | 2011-06-08 | 2012-01-18 | 昆山德力康电子科技有限公司 | Board-to-board connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022170550A1 (en) * | 2021-02-10 | 2022-08-18 | Amphenol Corporation | Surface mount electrical connector |
| US11710916B2 (en) | 2021-02-10 | 2023-07-25 | Amphenol Corporation | Surface mount electrical connector |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200117 |
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| RJ01 | Rejection of invention patent application after publication |