CN213989271U - Board-to-board connector - Google Patents
Board-to-board connector Download PDFInfo
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- CN213989271U CN213989271U CN202022808733.1U CN202022808733U CN213989271U CN 213989271 U CN213989271 U CN 213989271U CN 202022808733 U CN202022808733 U CN 202022808733U CN 213989271 U CN213989271 U CN 213989271U
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- board
- base plate
- protection wall
- wall
- male end
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Abstract
The utility model discloses a board-to-board connector, which comprises a male end connector, wherein the male end connector comprises a seat body and a male end fitting arranged at the end part of the seat body, the male end fitting comprises a functional part and a welding leg part, and the male end fitting also comprises a material bridge for connecting the functional part and the welding leg part; the functional part with have the clearance between the welding foot portion, the pedestal includes isolation portion, isolation portion is located in the clearance with keep apart the functional part with the welding foot portion. The functional part and the welding foot part of the male end hardware are separated by the isolation part of the seat body to form a solder resisting belt, so that solder paste is prevented from climbing onto a contact surface of the functional part from the welding foot part during board welding, and the stability of the performance of the board-to-board connector is effectively ensured; moreover, the structure of the male end hardware is improved, so that the male end hardware does not have special requirements during electroplating and does not need post-processing treatment.
Description
Technical Field
The utility model relates to an electric connector technical field especially relates to a board is to board connector.
Background
The board to board connector comprises a male end connector and a female end connector which are matched in a splicing mode, and in order to prolong the service life of the board to board connector, the ends of the male end connector and the female end connector are respectively provided with a fitting, wherein the fitting of the end of the male end connector can be called a male end fitting, and the fitting of the end of the female end connector can be called a female end fitting.
The male end fitting comprises a functional part and a leg part which are connected, and in the existing male end connector, no isolation region exists between the functional part and the leg part of the male end fitting, so that when the male end connector is welded with an external component (such as a PCB), a tin climbing phenomenon often occurs, and the performance stability of a board to a board connector is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a board-to-board connector with stable performance is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: a board-to-board connector comprises a male end connector, wherein the male end connector comprises a base body and a male end fitting arranged at the end part of the base body, the male end fitting comprises a functional part and a welding leg part, and the male end fitting also comprises a material bridge for connecting the functional part and the welding leg part; the functional part with have the clearance between the welding foot portion, the pedestal includes isolation portion, isolation portion is located in the clearance with keep apart the functional part with the welding foot portion.
Further, the weld leg portion is located below the functional portion.
Further, the weld leg part is positioned at the inner side or the outer side of the material bridge.
Further, function portion includes base plate portion, end protection wall and outside protection wall, base plate portion is the U style of calligraphy, base plate portion is including the end base plate and the side base plate that link to each other, the end base plate is located the top surface of the end wall of pedestal, the side base plate is located the top surface of the lateral wall of pedestal, the both ends of end base plate are connected with respectively the side base plate, the material bridge is located connect on the medial surface of the end wall of pedestal end base plate, the end base plate is kept away from one side of material bridge is connected the end protection wall, the end protection wall is located on the lateral surface of the end wall of pedestal, the outside limit of side base plate is connected with the outside protection wall, the outside protection wall is located on the lateral surface of the lateral wall of pedestal.
Furthermore, the function part further comprises an inner side protection wall, the inner side edge of the side substrate is connected with the inner side protection wall, the inner side protection wall is located on the inner side surface of the side wall of the seat body, and the inner side protection wall, the side substrate and the outer side protection wall are connected to form an n-shaped structure.
Furthermore, a chamfer part is arranged on the inner side of one end, far away from the side base plate, of the inner side protection wall.
Further, the gap is formed between the outer side protection wall and the welding foot part.
Furthermore, a tin containing position for containing tin paste is arranged at the end of the soldering foot part, and the tin containing position is positioned on one side of the soldering foot part, which is far away from the functional part.
Furthermore, a force unloading groove is arranged at the joint of the end base plate and the material bridge.
Furthermore, the male end fitting is of an integrated structure.
The beneficial effects of the utility model reside in that: the functional part and the welding foot part of the male end hardware are separated by the isolation part of the seat body to form a solder resisting belt, so that solder paste is prevented from climbing onto a contact surface of the functional part from the welding foot part during board welding, and the stability of the performance of the board-to-board connector is effectively ensured; moreover, the structure of the male end fitting is improved, so that the male end fitting has no special requirements during electroplating and does not need post-processing treatment (namely tin climbing on a treatment function part).
Drawings
Fig. 1 is a schematic structural diagram of a male connector in a board-to-board connector according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a part of a seat body in a male end connector according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a male end fitting in a male end connector according to a first embodiment of the present invention;
fig. 4 is a side view of a male end fitting in a male end connector according to a first embodiment of the present invention.
Description of reference numerals:
1. a base body; 11. an isolation section; 12. an end wall; 13. a side wall;
2. a male end fitting;
3. a functional section; 31. a substrate section; 311. an end substrate; 312. a side substrate; 32. an end protection wall; 33. an outer protective wall; 34. an inner side protective wall; 341. chamfering the corner; 35. a force unloading groove;
4. welding a foot part; 41. tin containing position;
5. and (4) material bridging.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, a board-to-board connector includes a male end connector, where the male end connector includes a base 1 and a male end fitting 2 disposed at an end of the base 1, the male end fitting 2 includes a functional portion 3 and a solder leg portion 4, and further includes a material bridge 5 connecting the functional portion 3 and the solder leg portion 4; a gap is formed between the functional part 3 and the welding foot part 4, the seat body 1 comprises an isolation part 11, and the isolation part 11 is positioned in the gap to isolate the functional part 3 from the welding foot part 4.
From the above description, the beneficial effects of the present invention are: the functional part 3 and the welding foot part 4 of the male end fitting 2 are isolated by the isolation part 11 of the base body 1 to form a welding resistance belt, so that solder paste is prevented from climbing onto a contact surface of the functional part 3 from the welding foot part 4 during board welding, and the stability of the performance of a board-to-board connector is effectively ensured; moreover, the male end fitting 2 is structurally improved, so that the male end fitting 2 has no special requirements during electroplating and does not need post-processing treatment (namely, tin climbing on the processing functional part 3).
Further, the leg portion 4 is located below the functional portion 3.
Further, the solder leg portion 4 is located inside or outside the solder bridge 5.
As can be seen from the above description, the specific positions of the solder tail portions 4 can be set as required, which is beneficial to enriching the diversity of board-to-board connectors.
Further, the functional portion 3 includes a base plate portion 31, an end protection wall 32 and an outer side protection wall 33, the base plate portion 31 is U-shaped, the base plate portion 31 includes a base plate 311 and a side base plate 312 which are connected, the end base plate 311 is located on the top surface of the end wall 12 of the seat body 1, the side base plate 312 is located on the top surface of the side wall 13 of the seat body 1, two ends of the end base plate 311 are respectively connected with the side base plate 312, the material bridge 5 is located on the inner side surface of the end wall 12 of the seat body 1 and connected to the end base plate 311, one side of the end base plate 311, which is far away from the material bridge 5, is connected to the end protection wall 32, the end protection wall 32 is located on the outer side surface of the end wall 12 of the seat body 1, the outer side edge of the side base plate 312 is connected to the outer side protection wall 33, and the outer side protection wall 33 is located on the outer side surface of the side wall 13 of the seat body 1.
As can be seen from the above description, the male end fitting 2 has a simple structure and is easy to process.
Further, the functional portion 3 further includes an inner side protection wall 34, the inner side edge of the side substrate 312 is connected to the inner side protection wall 34, the inner side protection wall 34 is located on the inner side surface of the side wall 13 of the seat body 1, and the inner side protection wall 34, the side substrate 312 and the outer side protection wall 33 are connected to form an n-shaped structure.
As can be seen from the above description, the male end fitting 2 can provide comprehensive protection for the seat body 1, and the arrangement of the inner side protection wall 34 can not only protect the seat body 1, but also improve the bonding strength between the male end fitting 2 and the seat body 1, thereby preventing the male end fitting 2 from being peeled off from the seat body 1 in the using process of the male end connector.
Further, a chamfered portion 341 is provided on an inner side of one end of the inner protective wall 34 away from the side substrate 312.
As can be seen from the above description, after the male end fitting 2 and the seat body 1 are molded into the integrated structure through the insert injection molding process, the vacant region of the chamfer portion 341 is filled with the material of the seat body 1, so as to effectively prevent the inner side protection wall 34 from warping, improve the bonding strength between the male end fitting 2 and the seat body 1, and simultaneously, facilitate the structural stability of the board-to-board connector.
Further, the gap is formed between the outer protective wall 33 and the leg portion 4.
Further, a tin containing position 41 for containing tin paste is arranged at the end of the soldering foot part 4, and the tin containing position 41 is located on one side of the soldering foot part 4 far away from the functional part 3.
As can be seen from the above description, the solder receiving portion 41 can receive excess solder paste, so as to further reduce the risk of solder climbing while improving the bonding force between the solder leg portion 4 and an external component (e.g., a PCB). The tin containing position 41 can be a tin containing step, a tin containing groove, a tin containing hole and the like.
Further, a force unloading groove 35 is arranged at the joint of the end base plate 311 and the material bridge 5.
It can be known from the above description that the setting of unloading groove 35 not only makes things convenient for the manufacturing shaping of public end gold utensil 2, can also alleviate the condition that public end gold utensil 2 stress concentrates, does benefit to the structural stability who improves public end connector, and the extension plate is to the life of board connector.
Further, the male end fitting 2 is of an integrated structure.
As can be seen from the above description, the male end fitting 2 is easy to form, low in manufacturing cost, and good in structural stability.
Example one
Referring to fig. 1 to 4, a first embodiment of the present invention is: a board-to-board connector comprises a male end connector, wherein the male end connector comprises a base body 1 and a male end fitting 2 arranged at the end part of the base body 1, the male end fitting 2 comprises a functional part 3 and a leg part 4, and the male end connector also comprises a material bridge 5 for connecting the functional part 3 and the leg part 4; a gap is formed between the functional part 3 and the solder leg part 4, the seat body 1 includes an isolation part 11, the isolation part 11 is located in the gap to isolate the functional part 3 from the solder leg part 4, and in this embodiment, the solder leg part 4 is in a long strip shape.
As shown in fig. 4, the solder portion 4 is located below the functional portion 3, and the solder portion 4 is located inside or outside the material bridge 5.
In this embodiment, the functional unit 3 includes a base plate 31, an end protection wall 32, and an outer protection wall 33, the base plate portion 31 is in a U shape, the base plate portion 31 includes a base plate 311 and a side plate 312 connected to each other, the end base plates 311 are positioned on the top surfaces of the end walls 12 of the housing 1, the side base plates 312 are positioned on the top surfaces of the side walls 13 of the housing 1, the two ends of the end substrate 311 are respectively connected with the side substrates 312, the material bridge 5 is located on the inner side surface of the end wall 12 of the seat body 1 and is connected with the end substrate 311, one side of the end substrate 311, which is far away from the material bridge 5, is connected to the end protection wall 32, the end protection wall 32 is located on the outer side surface of the end wall 12 of the seat body 1, the outer side edge of the side substrate 312 is connected to the outer side protection wall 33, the outer side protection wall 33 is located on the outer side surface of the side wall 13 of the seat body 1, and the gap is formed between the outer side protection wall 33 and the welding leg portion 4. It is easy to understand that the material bridge 5 can be made wider, so that the material bridge 5 can stably support the functional part 3, and the stability of the male end hardware fitting 2 in the processing procedure of the male end connector is improved.
For the structural stability of the tip region of comprehensive protection pedestal 1 and improvement public end connector, functional unit 3 still includes inboard protective wall 34, the inboard side of side base plate 312 is connected with inboard protective wall 34, inboard protective wall 34 is located on the medial surface of lateral wall 13 of pedestal 1, inboard protective wall 34, side base plate 312 and outside protective wall 33 three connect and form n style of calligraphy structure, and is preferred, as shown in fig. 3, inboard protective wall 34 keeps away from the inboard of the one end of side base plate 312 is equipped with chamfer portion 341.
As shown in fig. 3 and 4, a solder receiving portion 41 for receiving solder paste is further disposed at a tip of the solder leg portion 4, and the solder receiving portion 41 is located on a side of the solder leg portion 4 away from the functional portion 3. In this embodiment, the tin containing position 41 has a step-shaped structure, and specifically, the tin containing position 41 is formed by a plate thinning process. In other embodiments, the tin containing position 41 may also be a tin containing hole, a tin containing groove, or the like.
For convenient processing and manufacturing, the male end fitting 2 is an integrated structure formed by cutting and bending a plate, wherein the end substrate 311 is provided with a force unloading groove 35 at the joint of the material bridge 5.
To sum up, in the board-to-board connector provided by the present invention, the functional portion and the leg portion of the male end fitting are isolated by the isolation portion of the seat body to form a solder strip, thereby preventing solder paste from climbing from the leg portion to the contact surface of the functional portion during board welding, effectively ensuring the stability of the performance of the board-to-board connector, simplifying the manufacturing process of the male end connector, and facilitating the processing and production; this board is to board connector stable in structure, long service life.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a board to board connector, includes public end connector, public end connector include the pedestal and locate the public end gold utensil of the tip of pedestal, public end gold utensil includes functional part and weld foot portion, its characterized in that: the material bridge is used for connecting the functional part and the welding foot part; the functional part with have the clearance between the welding foot portion, the pedestal includes isolation portion, isolation portion is located in the clearance with keep apart the functional part with the welding foot portion.
2. The board-to-board connector according to claim 1, wherein: the foot part is located below the functional part.
3. The board-to-board connector according to claim 1, wherein: the welding leg part is positioned on the inner side or the outer side of the material bridge.
4. The board-to-board connector according to claim 1, wherein: function portion includes base plate portion, end protection wall and outside protection wall, base plate portion is the U style of calligraphy, base plate portion is including the end base plate and the side base plate that link to each other, the end base plate is located the top surface of the end wall of pedestal, the side base plate is located the top surface of the lateral wall of pedestal, the both ends of end base plate are connected with respectively the side base plate, the material bridge is located connect on the medial surface of the end wall of pedestal end base plate, the end base plate is kept away from one side of material bridge is connected the end protection wall, the end protection wall is located on the lateral surface of the end wall of pedestal, the outside limit of side base plate is connected with the outside protection wall, the outside protection wall is located on the lateral surface of the lateral wall of pedestal.
5. The board-to-board connector according to claim 4, wherein: the functional part further comprises an inner side protection wall, the inner side edge of the side substrate is connected with the inner side protection wall, the inner side protection wall is located on the inner side face of the side wall of the seat body, and the inner side protection wall, the side substrate and the outer side protection wall are connected to form an n-shaped structure.
6. The board-to-board connector according to claim 5, wherein: and a chamfer part is arranged on the inner side of one end, far away from the side substrate, of the inner side protection wall.
7. The board-to-board connector according to claim 4, wherein: the gap is formed between the outer side protection wall and the welding foot part.
8. The board-to-board connector according to claim 4, wherein: the end of the soldering foot part is provided with a tin containing position for containing tin paste, and the tin containing position is positioned on one side of the soldering foot part, which is far away from the functional part.
9. The board-to-board connector according to claim 4, wherein: and a force unloading groove is arranged at the joint of the end substrate and the material bridge.
10. The board-to-board connector according to claim 1, wherein: the male end hardware fitting is of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808733.1U CN213989271U (en) | 2020-11-27 | 2020-11-27 | Board-to-board connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808733.1U CN213989271U (en) | 2020-11-27 | 2020-11-27 | Board-to-board connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213989271U true CN213989271U (en) | 2021-08-17 |
Family
ID=77268282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022808733.1U Active CN213989271U (en) | 2020-11-27 | 2020-11-27 | Board-to-board connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213989271U (en) |
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2020
- 2020-11-27 CN CN202022808733.1U patent/CN213989271U/en active Active
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