CN210092396U - Board-to-board connector - Google Patents
Board-to-board connector Download PDFInfo
- Publication number
- CN210092396U CN210092396U CN201920931506.2U CN201920931506U CN210092396U CN 210092396 U CN210092396 U CN 210092396U CN 201920931506 U CN201920931506 U CN 201920931506U CN 210092396 U CN210092396 U CN 210092396U
- Authority
- CN
- China
- Prior art keywords
- wall
- side wall
- board
- shielding part
- insulating body
- 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.)
- Withdrawn - After Issue
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 39
- 238000003466 welding Methods 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 8
- 230000009194 climbing Effects 0.000 abstract description 8
- 239000004568 cement Substances 0.000 abstract description 2
- 239000012212 insulator Substances 0.000 abstract 4
- 238000005476 soldering Methods 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000009413 insulation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Images
Abstract
The utility model discloses a board to board connector, including insulator, the conductive terminal of fixing on insulator and be located the protective cradle at the vertical both ends of insulator, insulator is equipped with both sides wall and connects in the both ends wall of both sides wall. The protective bracket comprises an end wall reinforcing sheet covering the end wall and a side wall reinforcing sheet covering the side wall, and the side wall reinforcing sheet is connected to the two transverse ends of the end wall reinforcing sheet. The end wall reinforcing sheet comprises an end wall outer wall shielding part covering the outer wall surface of the end wall, extending parts extending into the insulating body from the two transverse ends of the end wall outer wall shielding part, and welding pins extending out of the insulating body from the bottom edges of the extending parts. The side wall reinforcing sheet comprises a side wall outer wall shielding part covering the outer wall surface of the side wall, and plastic cement filled with an insulating body is arranged between the lower side of the side wall outer wall shielding part and the welding pins, so that the problem of tin climbing is effectively solved while the strength of the board-to-board connector is ensured.
Description
Technical Field
The utility model relates to a board is to the board connector, especially relates to a board is to board connector with metal protection support.
Background
Board-to-board connectors are essential elements in making a complete system by electrically connecting and transferring signals between devices, assemblies and assemblies, and systems. At present, board-to-board connectors are widely used in various electronic products. Board to Board connectors (BTBs) are used to electrically connect two parallel circuit boards, and usually include a plug Connector and a receptacle Connector that mate with each other. The plug connector and the socket connector respectively comprise an insulating body and a conductive terminal, wherein the insulating body mainly plays a role in insulating and positioning the conductive terminal, and the conductive terminal mainly plays a role in conducting. In general, the plug connector and the receptacle connector of the board-to-board connector further increase the protection bracket to enhance the strength thereof, and the protection bracket of the plug connector further has a sidewall shielding portion covering the outer wall surface of the sidewall of the insulating body and a soldering leg bent directly from the bottom edge of the sidewall shielding portion. The side wall shielding part is used for improving the strength of the side wall, and the welding feet are used for welding the protective bracket on the circuit board. However, when the connector is soldered to the circuit board, the solder applied to the soldering pins extends to the sidewall shielding portion via the soldering pins, thereby causing solder-climbing phenomenon. Therefore, the protective bracket of the existing plug connector is easy to generate the phenomenon of tin climbing during welding under the condition of improving the strength of the plug connector.
It is therefore desirable to provide a new board-to-board connector that overcomes the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a board to board connector with protective cradle, this protective cradle have effectively solved the problem of climbing tin when the assurance board is to board connector self intensity.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a board-to-board connector comprises an insulating body extending along the longitudinal direction, conductive terminals fixed on the insulating body and protective supports positioned at two longitudinal ends of the insulating body, wherein the insulating body is provided with two side walls extending along the longitudinal direction and two end walls connected with the two side walls. The protective support is fixed on the end wall and comprises an end wall reinforcing sheet covering the end wall and a side wall reinforcing sheet at least partially covering the side wall, and the side wall reinforcing sheet is connected to the two transverse ends of the end wall reinforcing sheet. The end wall reinforcing sheet comprises an end wall outer wall shielding part covering the outer wall surface of the end wall, extending parts extending into the insulating body from the two transverse ends of the end wall outer wall shielding part and welding pins extending out of the insulating body from the tail ends of the extending parts, and the extending parts are embedded in the side wall of the insulating body. The side wall reinforcing sheet comprises a side wall outer wall shielding part covering the outer wall surface of the side wall, and plastic filled with the insulating body is arranged between the lower side of the side wall outer wall shielding part and the welding pins at intervals.
In a preferred embodiment, the end wall reinforcing sheet is integrally formed on the insulating body, and the extending portions extend from both lateral ends of the end wall outer wall shielding portion into the side walls of the insulating body along the longitudinal direction.
In a preferred embodiment, the welding foot is exposed to the bottom surface of the insulating body and extends out of the insulating body along the transverse direction from the lower side of the front end of the extending part, and the side wall outer wall shielding part is positioned above the welding foot.
In a preferred embodiment, the end wall reinforcing sheet includes an end wall top surface shielding portion covering the top surface of the end wall, and the end wall outer wall shielding portion is formed by bending and extending downward from the longitudinal outer side of the end wall top surface shielding portion.
In a preferred embodiment, the end wall reinforcing piece has a welding portion bent outward from a bottom end of the end wall outer wall shielding portion, and the welding portion of the end wall outer wall shielding portion is disposed between outer ends of the pair of welding legs.
In a preferred embodiment, the side wall outer wall covering does not extend beyond the outer wall surface of the side wall, and the end wall outer wall covering does not extend beyond the outer wall surface of the end wall.
In a preferred embodiment, the sidewall top surface shielding portions of the sidewall reinforcing sheet are connected to both lateral ends of the end wall top surface shielding portion, and the sidewall outer wall shielding portion and the end wall outer wall shielding portion are disposed at an interval from each other.
In a preferred embodiment, the end wall reinforcing sheet comprises an end wall top surface shielding part covering the top surface of the end wall, and the end wall outer wall shielding part is formed by downwards bending and extending from the longitudinal outer side of the end wall top surface shielding part; the side wall reinforcing sheet comprises a side wall inner wall shielding part extending downwards from the transverse inner side of the side wall top surface shielding part, and the side wall inner wall shielding part covers the inner wall surface of the side wall.
In a preferred embodiment, the side wall outer wall shielding part, the side wall top surface shielding part and the side wall inner wall shielding part are arranged together to form an inverted U-shaped bending structure, and the inverted U-shaped bending structure is arranged on the side wall of the insulating body in a spanning manner.
In a preferred embodiment, the protection bracket is formed by punching and bending a metal piece, and the protection bracket is integrally injection-molded on the two longitudinal ends of the insulation body.
Compared with the prior art, the utility model discloses following beneficial effect has: the end wall reinforcing sheet comprises an end wall outer wall shielding part covering the outer wall surface of the end wall, extending parts extending into the insulating body from the two transverse ends of the end wall outer wall shielding part and welding pins extending out of the insulating body from the tail ends of the extending parts, and the extending parts are embedded in the side wall of the insulating body. The side wall reinforcing sheet comprises a side wall outer wall shielding part covering the outer wall surface of the side wall, a gap exists between the lower side of the side wall outer wall shielding part and the welding pins, and plastic cement filled with the insulating body is filled in the gap, so that the side wall reinforcing sheet has the effects of sealing glue, separating nickel and preventing tin from climbing, and the problem of tin climbing is effectively solved while the self strength of the board-to-board connector is ensured by the protective support. Meanwhile, the shielding part of the outer wall of the side wall covers the outer wall surface of the side wall, so that the protection support has enough contact allowance when the board is plugged into the board connector, and the contact stability when the board is matched with the board connector is further ensured.
Drawings
Fig. 1 is a perspective view of a board-to-board connector according to a preferred embodiment of the present invention.
Fig. 2 is a perspective view of another angle of the board-to-board connector shown in fig. 1.
Fig. 3 is a perspective view of the insulative housing of the board-to-board connector shown in fig. 1.
Fig. 4 is a perspective view of a protective bracket in the board-to-board connector shown in fig. 1.
Fig. 5 is a schematic perspective view of another angle of the protective bracket shown in fig. 4.
Detailed Description
Referring to fig. 1 to 3, a board-to-board connector 100 according to a preferred embodiment of the present invention includes an insulative housing 10 extending in a longitudinal direction, conductive terminals 20 fixed on the insulative housing 10, and protection brackets 30 at two longitudinal ends of the insulative housing 10. The insulating body 10 is provided with two side walls 11 extending along the longitudinal direction and two end walls 12 connected to the two side walls 11. The two side walls 11, the two end walls 12 and the bottom wall of the insulating body 10 together define a central slot 13, and the slot 13 is used for plugging a butting connector (not shown).
As shown in fig. 4 and 5, the protection bracket 30 is formed by punching and bending a metal piece and is fixed on the end wall 12 of the insulating body 10 to enhance the overall strength of the board-to-board connector 100. Meanwhile, the protection brackets 30 are integrally injection-molded at the longitudinal ends of the insulation body 10, so that the strength of the insulation body 10 is improved and the damage to the insulation body 10 when the board-to-board connector 100 is plugged is avoided. The protective bracket 30 includes an end wall reinforcing sheet 40 covering the end wall 12 and a side wall reinforcing sheet 50 at least partially covering the side wall 11, and the side wall reinforcing sheet 50 is connected to both lateral ends of the end wall reinforcing sheet 40.
The end wall reinforcing sheet 40 is integrally formed on the end wall 12 of the insulating housing 10 and includes an end wall top surface shielding portion 41 covering the top surface of the end wall 12, an end wall outer wall shielding portion 42 extending from the longitudinal outer side of the end wall top surface shielding portion 41 in a downward bending manner, and a welding portion 43 bending from the bottom end of the end wall outer wall shielding portion 42 in an outward bending manner, wherein the end wall outer wall shielding portion 42 covers the outer wall surface of the end wall 12. The end wall top surface shielding portion 41 does not extend beyond the top surface of the end wall 12 and the end wall outer wall shielding portion 42 does not extend beyond the outer wall surface of the end wall 12, that is, the end wall top surface shielding portion 41 and the end wall outer wall shielding portion 42 do not increase the overall volume of the board-to-board connector 100 while increasing the strength of the end wall 12 of the insulating main body 10. The soldering portion 43 may be fixedly mounted on a circuit board (not shown) electrically connected to the board-to-board connector 100.
The end wall reinforcing plate 40 further includes an extending portion 44 extending into the insulating housing 10 from both lateral ends of the end wall outer wall shielding portion 42, and a welding leg 45 extending from the end of the extending portion 44 to the insulating housing 10. The extending portions 44 extend into the side wall 11 of the insulating main body 10 from both lateral ends of the end wall outer wall shielding portion 42 along the longitudinal direction, that is, the extending portions 44 are embedded in the side wall 11 of the insulating main body 10. The soldering foot 45 is exposed to the bottom surface of the bottom wall of the insulating body 10 and extends out of the insulating body 10 from the front bottom edge of the extending portion 44. As can be seen from the above, the extending portion 44 and the soldering foot 45 are sealed by the plastic sealant of the insulating body 10, so that the effects of nickel isolation and tin-climbing prevention are achieved.
The sidewall reinforcing sheet 50 includes a sidewall top surface shielding portion 51 at least partially covering the top surface of the sidewall 11, a sidewall outer wall shielding portion 52 covering the outer wall surface of the sidewall 11, and a sidewall inner wall shielding portion 53 covering the inner wall surface of the sidewall 11. The sidewall outer wall shielding portion 52 is formed by bending and extending downward from the lateral outer side of the sidewall top surface shielding portion 51, and the sidewall inner wall shielding portion 53 is formed by extending downward from the lateral inner side of the sidewall top surface shielding portion 51. Namely, the sidewall outer wall shielding portion 52, the sidewall top surface shielding portion 51 and the sidewall inner wall shielding portion 53 are commonly surrounded to form an inverted U-shaped bending structure, and the inverted U-shaped bending structure is spanned on the sidewall 11 of the insulating body 10.
The sidewall top shielding portion 51 does not extend beyond the top surface of the sidewall 11, the sidewall outer shielding portion 52 does not extend beyond the outer wall surface of the sidewall 11, and the sidewall inner shielding portion 53 does not extend beyond the inner wall surface of the sidewall 11, that is, the sidewall top shielding portion 51, the sidewall outer shielding portion 52, and the sidewall inner shielding portion 53 do not increase the overall volume of the board-to-board connector 100 while increasing the strength of the sidewall 11 of the insulating housing 10.
In this embodiment, the sidewall top surface shielding portions 51 of the sidewall reinforcing sheet 50 are connected to the two lateral ends of the end wall top surface shielding portion 41, and the sidewall outer wall shielding portion 52 and the end wall outer wall shielding portion 42 are disposed at an interval, so that the end wall reinforcing sheet 40 and the sidewall reinforcing sheet 50 are integrally connected. Meanwhile, the sidewall outer wall shielding portion 52 is located above the soldering pins 45, that is, there is a space between the lower side of the sidewall outer wall shielding portion 52 and the soldering pins 45 and the space is filled with the plastic of the insulation body 10, so that the effect of sealing glue and isolating nickel is achieved to prevent tin from climbing, the bonding strength between the insulation body 10 and the protection bracket 30 is also increased, the stability of the electrical connector 100 and the circuit board is increased, and stable electrical connection is provided.
The soldering pins 45 of the protection bracket 30 may be fixedly soldered to a circuit board (not shown) electrically connected to the board-to-board connector 100. When the board-to-board connector 100 is mounted on a circuit board, the soldering pins 45 of the protective bracket 30 are soldered to the circuit board by solder. Because there is a space between the bottom edge of the sidewall outer wall shielding portion 52 and the soldering foot 45 and the plastic filled in the insulating body 10 is used, the effect of sealing glue and isolating nickel is achieved to prevent tin from climbing, so that the protection bracket 30 effectively solves the problem of tin climbing while ensuring the strength of the board-to-board connector 100. Meanwhile, the sidewall outer wall shielding part 52 covers the outer wall surface of the sidewall 11, so that the protection bracket 30 has enough contact allowance when the board-to-board connector 100 is plugged, and the contact stability when the board-to-board connector 100 is matched is further ensured; when the butt connector is pulled out in an inclined manner, the welding feet on one side usually use the welding feet on the other side as fulcrums, and the utility model discloses in, the welding part 43 of the end wall outer wall shielding part 42 is arranged between the outer ends of the pair of welding feet 54, so that the strength of the butt connector and the butt connector is increased, and the phenomenon that the welding feet on the side are loosened is prevented.
In summary, the above is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the content of the specification should still belong to the scope covered by the present invention.
Claims (10)
1. A board-to-board connector comprises an insulating body extending along the longitudinal direction, conductive terminals fixed on the insulating body and protective supports positioned at the two longitudinal ends of the insulating body, wherein the insulating body is provided with two side walls extending along the longitudinal direction and two end walls connected with the two side walls; the method is characterized in that: the end wall reinforcing sheet comprises an end wall outer wall shielding part covering the outer wall surface of the end wall, extending parts extending into the insulating body from the two transverse ends of the end wall outer wall shielding part and welding pins extending out of the insulating body from the tail ends of the extending parts, the extending parts are embedded in the side wall of the insulating body, the side wall reinforcing sheet comprises a side wall outer wall shielding part covering the outer wall surface of the side wall, and a gap is reserved between the lower side of the side wall outer wall shielding part and the welding pins and plastic filled with the insulating body.
2. The board-to-board connector of claim 1, wherein: the end wall reinforcing sheet is integrally formed on the insulating body, and the extending portions extend into the side wall of the insulating body from the two transverse ends of the shielding portion of the outer wall of the end wall along the longitudinal direction.
3. The board-to-board connector of claim 2, wherein: the welding pins are exposed on the bottom surface of the insulating body and transversely extend out of the insulating body from the lower side of the front end of the extending part, and the shielding part of the outer wall of the side wall is positioned above the welding pins.
4. The board-to-board connector of claim 1, wherein: the end wall reinforcing sheet is provided with a welding part which is bent outwards from the bottom end of the end wall outer wall shielding part, and the welding part of the end wall outer wall shielding part is arranged between the outer ends of the pair of welding pins.
5. The board-to-board connector of claim 4, wherein: the side wall reinforcing sheet comprises a side wall top surface shielding part at least partially covering the top surface of the side wall, and the side wall outer wall shielding part is formed by downwards bending and extending from the transverse outer side of the side wall top surface shielding part.
6. The board-to-board connector of claim 5, wherein: the side wall outer wall shielding part does not exceed the outer wall surface of the side wall, and the end wall outer wall shielding part does not exceed the outer wall surface of the end wall.
7. The board-to-board connector of claim 5, wherein: the end wall reinforcing sheet comprises an end wall top surface shielding part covering the top surface of the end wall, and the end wall outer wall shielding part is formed by downwards bending and extending from the longitudinal outer side of the end wall top surface shielding part; the side wall top surface shielding parts of the side wall reinforcing pieces are connected to the two transverse ends of the end wall top surface shielding parts, and the side wall outer wall shielding parts and the end wall outer wall shielding parts are arranged at intervals.
8. The board-to-board connector of claim 7, wherein: the side wall reinforcing sheet comprises a side wall inner wall shielding part extending downwards from the transverse inner side of the side wall top surface shielding part, and the side wall inner wall shielding part covers the inner wall surface of the side wall.
9. The board-to-board connector of claim 8, wherein: the side wall outer wall shielding part, the side wall top surface shielding part and the side wall inner wall shielding part are arranged together in a surrounding mode to form an inverted U-shaped bending structure, and the inverted U-shaped bending structure is arranged on the side wall of the insulating body in a spanning mode.
10. The board-to-board connector of claim 1, wherein: the protective bracket is formed by punching and bending a metal piece, and the protective bracket is integrally formed on the two longitudinal ends of the insulating body in an injection molding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931506.2U CN210092396U (en) | 2019-06-19 | 2019-06-19 | Board-to-board connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931506.2U CN210092396U (en) | 2019-06-19 | 2019-06-19 | Board-to-board connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210092396U true CN210092396U (en) | 2020-02-18 |
Family
ID=69483523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920931506.2U Withdrawn - After Issue CN210092396U (en) | 2019-06-19 | 2019-06-19 | Board-to-board connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210092396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247217A (en) * | 2019-06-19 | 2019-09-17 | 启东乾朔电子有限公司 | Board to board connector |
| CN111355060A (en) * | 2020-03-13 | 2020-06-30 | 深圳市长盈精密技术股份有限公司 | Board-to-board socket |
-
2019
- 2019-06-19 CN CN201920931506.2U patent/CN210092396U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247217A (en) * | 2019-06-19 | 2019-09-17 | 启东乾朔电子有限公司 | Board to board connector |
| CN110247217B (en) * | 2019-06-19 | 2024-02-23 | 启东乾朔电子有限公司 | Board-to-board connector |
| CN111355060A (en) * | 2020-03-13 | 2020-06-30 | 深圳市长盈精密技术股份有限公司 | Board-to-board socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200218 Effective date of abandoning: 20240223 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200218 Effective date of abandoning: 20240223 |