D-shaped plugboard welding connector

Abstract

The utility model discloses a D type plugboard welding connector, comprising an upper cover body and a lower cabin body, the upper cover body is provided with a plurality of external connection terminals, the lower cabin body is provided with a plurality of PCB connection terminals, the left side and the right side of the upper cover body are provided with protruding parts, the top of the lower cabin body is provided with a recessed part, the upper cover body and the lower cabin body are covered, and the lower cabin body is provided with a plurality of PCB connection terminals. The protruding part is inserted into the concave part, a gap is reserved between the protruding part and the concave part and forms a first welding groove, open grooves are formed in the front side and the rear side of the lower bin body, and second welding grooves are formed by the open grooves and the side face of the upper cover body. According to the utility model, the upper cover body and the lower bin body are arranged, the overall strength of the connector is ensured through a cage type structure, the stable connection of the upper cover body and the lower bin body is ensured through the first welding groove and the second welding groove which are formed through cooperation, and the overall size of the connector is reduced.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically a D-type plug-in welding connector. Background Technology

[0002] The D-type connector, which resembles the capital letter D, is widely used on PCBs as a circuit connection port.

[0003] This type of D-type connector mainly consists of a metal shell and a rubber core encased within it. Existing metal shells are typically formed from multiple metal sheets, resulting in low structural strength. To ensure connector strength, the rubber core needs to be thickened to prevent deformation under stress. This design increases the connector's size, which can negatively impact the placement of devices with multiple data lines. To reduce connector size while maintaining connection strength, a D-type plug-in soldering connector has been developed. Utility Model Content

[0004] The purpose of this invention is to provide a D-type plug-in welding connector, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a D-type plug-in welding connector, comprising an upper cover and a lower compartment that are fitted together, wherein the opening at the top of the lower compartment is adapted to the contour of the upper cover, the upper cover is provided with a plurality of external connection terminals, and the lower compartment is provided with a plurality of PCB connection terminals, the number of external connection terminals and PCB connection terminals being the same, the upper cover is provided with protrusions on the left and right sides, and the lower compartment is provided with a recess at the top that is adapted to the protrusions, the upper cover and the lower compartment are closed, the protrusions are inserted into the recesses, and a gap is left between the protrusions and the recesses, the gap forming a welding groove one, the plurality of external connection terminals and the plurality of PCB connection terminals corresponding one-to-one and abutting against each other, and slots are provided on both the front and rear sides of the lower compartment, the slots and the side of the upper cover forming a welding groove two.

[0006] Preferably, the upper cover is provided with a plurality of first mounting through holes, the external connection terminal is provided with a blocking part, and the bottom of the upper cover is provided with a plurality of welding grooves, which are aligned one by one with the plurality of first mounting through holes. The plurality of external connection terminals are inserted into the plurality of first mounting through holes in a corresponding manner. The bottom end of the external connection terminal passes through the first mounting through hole and the welding groove in sequence, and the blocking part abuts against the upper cover.

[0007] Preferably, the lower compartment body is further provided with a plurality of second mounting through holes, a plurality of PCB connection terminals are inserted into the plurality of second mounting through holes, the top of the PCB connection terminal is provided with an embedding part, the embedding part is provided with an embedding groove, and the external connection terminal is inserted into the embedding groove.

[0008] Preferably, each of the embedded slots is provided with a spring piece, and the external connecting terminal is in contact with the inner side of the spring piece, the outer side of the spring piece is in contact with the inner wall of the embedded slot, and the external connecting terminal, the spring piece and the embedded slot are interference fit.

[0009] Preferably, the top of the lower compartment is provided with a plurality of welding grooves, and the plurality of welding grooves are aligned one-to-one with a plurality of second mounting through holes, and the bottom ends of the PCB connection terminals pass through the welding grooves and the second mounting through holes in sequence.

[0010] Preferably, the upper cover is provided with a limiting frame, which surrounds a plurality of peripheral connection terminals.

[0011] Preferably, the upper cover has sliding grooves on both sides, and the sliding grooves extend from top to bottom to the bottom of the upper cover. The lower compartment has strip-shaped protrusions on both sides of its inner wall that are adapted to the sliding grooves.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This utility model, by setting an upper cover and a lower compartment, ensures the overall strength of the connector through a cage structure, and ensures a stable connection between the two by forming welding groove one and welding groove two, while reducing the overall size of the connector. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is an exploded view of the structure of this utility model. Figure 1 ;

[0016] Figure 3 This is an exploded view of the structure of this utility model. Figure 2 . Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1 to 3The present invention provides an embodiment of a D-type plug-in welding connector, comprising an upper cover 10 and a lower compartment 20 that are fitted together. The opening at the top of the lower compartment 20 is adapted to the contour of the upper cover 10. The upper cover 10 and the lower compartment 20 are closed to form a cage structure. Both the upper cover 10 and the lower compartment 20 are thickened to further improve the overall strength of the connector and reduce the overall volume of the connector, facilitating multi-wire connection of equipment.

[0019] Several first mounting through holes 11 on the upper cover 10 are each connected to an external device connection terminal 12. Several second mounting through holes 21 on the lower compartment 20 are each connected to a PCB connection terminal 22. The number of external device connection terminals 12 and PCB connection terminals 22 are the same. The protrusions 13 on the left and right sides of the upper cover 10 are inserted into the recesses 23 on the top of the lower compartment 20. The upper cover 10 and the lower compartment 20 are closed, and the gap between the protrusions 13 and the recesses 23 forms a first welding groove. Several external device connection terminals 12 and several PCB connection terminals 22 correspond one-to-one and abut against each other. Slots 24 are provided on the front and rear sides of the lower compartment 20. The slots 4 and the side of the upper cover 10 form a second welding groove. The first welding groove and the second welding groove are soldered with solder paste to fix the upper cover 10 and the lower compartment 20 together, thereby improving the connection stability between the two.

[0020] The peripheral connection terminal 12 is provided with a blocking part 14, and the bottom of the upper cover 10 is provided with a plurality of soldering grooves 15, and the plurality of soldering grooves 15 are aligned with a plurality of first mounting through holes 11 one by one. The plurality of peripheral connection terminals 12 are inserted into the plurality of first mounting through holes 11 one by one. The bottom end of the peripheral connection terminal 12 passes through the first mounting through hole 11 and the soldering grooves 15 in sequence, and the blocking part 14 abuts against the upper cover 10. The soldering grooves 15 are soldered with solder paste to fix the upper cover 10 and the peripheral connection terminal 12.

[0021] The PCB connection terminal 22 has an embedded part 25 on its top, and an embedded groove 26 is provided on the embedded part 25. The peripheral connection terminal 11 is inserted into the embedded groove 26.

[0022] Each embedded slot 26 is provided with a spring piece 27, and the external connection terminal 11 is inserted into the middle of the spring piece 27 from top to bottom and abuts against the inner side of the spring piece 27. The outer side of the spring piece 27 abuts against the inner wall of the embedded slot 26. The external connection terminal 11, the spring piece 27 and the embedded slot 26 are interference fit, which further improves the connection effect between the external connection terminal 12 and the PCB connection terminal 22. Through the mutual abutment of the three, the electrical conduction effect is achieved, and the electrical connection is realized.

[0023] The lower compartment 20 has several soldering slots 28 on its top, and the soldering slots 28 are aligned with several second mounting through holes 21. The bottom end of the PCB connection terminal 22 passes through the soldering slots 28 and the second mounting through holes 21 in sequence. The soldering slots 28 are soldered with solder paste to fix the lower compartment 20 to the PCB connection terminal 22.

[0024] A limiting frame 16 is provided on the upper cover 10, which surrounds a number of peripheral connection terminals 12. The limiting frame 16 is adapted to the shape of the D-type plug-in connector interface.

[0025] The upper cover 10 has sliding grooves 17 on both sides, and the sliding grooves 17 extend from top to bottom to the bottom of the upper cover 10. The inner walls of the lower compartment 20 have strip-shaped protrusions 29 that are adapted to the sliding grooves 17. When the upper cover 10 and the lower compartment 20 are closed and installed, the strip-shaped protrusions 29 are aligned with the sliding grooves 17 and slide into the inner end of the sliding grooves 17. This structure makes the installation of the upper cover 10 and the lower compartment 20 simpler, and the two work together to limit the position, improving the precision of the installation of the upper cover 10 and the lower compartment 20.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A D-type plug-in welding connector, comprising an upper cover and a lower compartment for mating installation, wherein an opening at the top of the lower compartment is adapted to the contour of the upper cover, characterized in that: The upper cover is provided with a number of external connection terminals, and the lower compartment is provided with a number of PCB connection terminals. The number of external connection terminals and PCB connection terminals are the same. The upper cover is provided with protrusions on the left and right sides, and the lower compartment is provided with a recess on the top that matches the protrusions. The upper cover and the lower compartment are closed, with the protrusions inserted into the recesses and a gap between the protrusions and the recesses forming a welding groove. The number of external connection terminals and the number of PCB connection terminals correspond one-to-one and abut against each other. The lower compartment is provided with slots on both the front and rear sides, and the slots and the sides of the upper cover form a welding groove.

2. The D-type plug-in soldering connector according to claim 1, characterized in that: The upper cover is provided with a plurality of first mounting through holes, the external connection terminal is provided with a blocking part, and the bottom of the upper cover is provided with a plurality of welding grooves, which are aligned one by one with the plurality of first mounting through holes. The plurality of external connection terminals are inserted into the plurality of first mounting through holes in a corresponding manner. The bottom end of the external connection terminal passes through the first mounting through hole and the welding groove in sequence, and the blocking part abuts against the upper cover.

3. A D-type plug-in soldering connector according to claim 1, characterized in that: The lower compartment is also provided with several second mounting through holes, and several PCB connection terminals are inserted into several second mounting through holes. The top of the PCB connection terminal is provided with an embedding part, and the embedding part is provided with an embedding groove, into which the external connection terminal is inserted.

4. A D-type plug-in soldering connector according to claim 3, characterized in that: Each of the aforementioned embedding slots is provided with a spring piece, and the external connecting terminal is in contact with the inner side of the spring piece, while the outer side of the spring piece is in contact with the inner wall of the embedding slot. The external connecting terminal, the spring piece, and the embedding slot are in an interference fit.

5. A D-type plug-in soldering connector according to claim 3, characterized in that: The top of the lower compartment is provided with several welding grooves, and the welding grooves are aligned with several second mounting through holes. The bottom ends of the PCB connection terminals pass through the welding grooves and the second mounting through holes in sequence.

6. A D-type plug-in soldering connector according to claim 1, characterized in that: The upper cover is provided with a limiting frame, which surrounds several peripheral connection terminals.

7. A D-type plug-in soldering connector according to claim 1, characterized in that: The upper cover has sliding grooves on both sides, and the sliding grooves extend from top to bottom to the bottom of the upper cover. The lower compartment has strip-shaped protrusions on both sides of its inner wall that are adapted to the sliding grooves.

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