Anti-short-circuit board alignment connector

Abstract

The utility model relates to an anti-short circuit board alignment connector, which comprises a shell, an insulator, a metal sheet and a plurality of terminals, the front end face of the shell is provided with a plug-in groove, the plug-in groove is internally provided with an upper row of terminals and a lower row of terminals, the insulator is L-shaped and forms a Z shape with the shell, the metal sheet is Z-shaped, and the metal sheet and the shell form a Z shape. The upper horizontal part of the metal sheet is embedded into the shell and is provided with an elastic sheet extending into the plugging groove, the vertical part and the other horizontal part of the metal sheet are embedded into the insulator, and the terminal is Z-shaped and comprises a contact part, a connecting part and a welding part. The contact part extends into a terminal groove arranged on the inner wall of the plugging groove, a plurality of barrier strips are arranged on the upper end face and the lower end face of the horizontal part of the insulator, and two adjacent barrier strips directly form a welding groove. The welding grooves can position the terminals and the wires, the welding precision is ensured, and due to the fact that the welding grooves are deep, the wires can be prevented from being connected with nearby lines, and short circuits are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connector, especially to a short-circuit prevention board-to-wire connector. BACKGROUND

[0002] The conventional Serial ATA cable includes a power cable and a signal cable, which are assembled at the end of a cable connector matched with a docking connector on a mainboard. For example, a "cable connector assembly" disclosed in Taiwan Utility Model Publication No. M348367 includes an insulating body, a plurality of conductive terminals, a cable, and a cover. The insulating body includes a base and a docking portion extending from one side of the base. The conductive terminals are accommodated in the insulating body and arranged in a transverse direction. The cable is electrically connected with the conductive terminals. The cover is matched with the insulating body. A receiving space is formed between the cover and the insulating body, and the conductive terminals and the cable are electrically connected in the space. The core wire is electrically connected with the terminal tail bent into a vertical shape, which makes the core wire and the terminal tail form a high height, thereby increasing the height of the entire connector and occupying more space. Application No. 201120549840.5 discloses a cable connector assembly, which includes an insulating body, a plurality of terminals, a grounding sheet, and a cable. The insulating body is provided with a slot, a receiving space, and a plurality of terminal grooves. The terminals are arranged in the terminal grooves, and each of the terminals has a fixed portion, a contact portion, and a welding portion. The fixed portion is fixed to the side wall of the terminal groove, so that the contact portion of the terminal extends into the slot, and the welding portion of the terminal is located in the receiving space. The extension direction of the welding portion is parallel to the insertion direction of the connector. The grounding sheet is in surface contact with the corresponding welding portion. The cable has a plurality of wires and at least one grounding wire, and the wires are electrically connected to the surface of the welding portion of the terminal. The core wire is directly welded to the terminal tail, lacks positioning, and is easy to be connected with the adjacent circuit, thereby causing short circuit. Therefore, the utility model provides a short-circuit prevention board-to-wire connector. SUMMARY

[0003] The main purpose of the utility model is to provide a short-circuit prevention board-to-wire connector. The welding portion of the terminal is clamped into the terminal limiting groove, the wire is inserted into the welding groove and welded with the welding portion, the terminal limiting groove and the welding groove can position the terminal and the wire compared with the prior art, and the welding precision is ensured. Because the welding groove is deep, the wire can be filled into the welding groove, the wire is blocked by the blocking strips on both sides, and the wire is prevented from being connected with the adjacent circuit, thereby preventing short circuit.

[0004] The utility model discloses a prevent short circuit board pair line connector, including casing, insulator, metal sheet and a plurality of terminals, the front end of casing is equipped with the insertion slot, is equipped with the two rows of terminals of upper and lower in the insertion slot, the insulator is L type, and with the casing constitutes Z type and is connected in the tail end of casing, the metal sheet is Z type, the horizontal portion of metal sheet is embedded in the casing and is equipped with the spring piece of advancing in the insertion slot, the vertical portion and another horizontal portion of metal sheet are embedded in the insulator, the terminal is Z type, including contact part, connecting portion and welding portion, the contact part advances in the terminal slot on the inner wall of insertion slot, the horizontal portion of insulator is arranged with a plurality of fender strip on the upper and lower end surface, and two adjacent fender strips directly constitute welding groove, and the welding portion is clamped into the welding groove.

[0005] Preferably, the fender strip is in a stepped shape, with the lower end close to the casing, and the two adjacent fender strips form a shallow terminal limiting groove and a deeper welding groove behind the terminal limiting groove.

[0006] Preferably, the metal sheet is provided with two embedded parts embedded in the casing, and the spring piece is located between the two embedded parts. The two sides of the embedded part are provided with barbs.

[0007] Preferably, the two sides of the rear end surface of the fender strip are provided with guide inclined surfaces.

[0008] Preferably, the outer side of the casing is covered with a metal shielding shell, which includes an upper half shell and a lower half shell connected by a buckle. The outer surface of the casing is provided with a plurality of positioning protrusions, and the metal shielding shell is provided with a plurality of positioning clamping grooves matched with the positioning protrusions.

[0009] Preferably, the front end of the upper half shell and the lower half shell is provided with an inner folding spring arm extending into the insertion slot.

[0010] The beneficial effects of the technical scheme of the utility model are as follows: the two adjacent fender strips form a terminal limiting groove and a welding groove, the welding portion of the terminal is clamped into the terminal limiting groove, the wire is inserted into the welding groove and welded with the welding portion, compared with the prior art, the terminal limiting groove and the welding groove can position the terminal and the wire, ensuring the welding precision. Since the welding groove is deep, the wire can be filled into the welding groove, and the wire is blocked by the two fender strips on both sides, preventing connection with the adjacent line and causing short circuit. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the layout of the embodiment of the prevent short circuit board pair line connector when working.

[0012] Fig. 2 It is the sectional view of the prevent short circuit board pair line connector.

[0013] Fig. 3 This is a schematic diagram of an insulator structure.

[0014] The numbers in the image represent:

[0015] 1. Housing; 2. Insulator; 3. Metal sheet; 4. Terminal; 5. Insertion slot; 6. Spring; 7. Contact part; 8. Connection part; 9. Welding part; 10. Terminal slot; 11. Stop bar; 12. Welding groove; 13. Terminal limiting slot; 14. Embedded part; 15. Barb; 16. Guide slope; 17. Shielding shell; 18. Inward folding spring arm. Detailed Implementation

[0016] The present invention will be further described in detail below with reference to specific embodiments.

[0017] Example:

[0018] like Figs. 1 to 3 As shown, this utility model discloses a short-circuit protection board connector, comprising a housing 1, an insulator 2, a metal sheet 3, and multiple terminals 4. The front end face of the housing 1 is provided with a insertion groove 5, and the insertion groove 5 is provided with two rows of terminals 4. The insulator 2 is L-shaped and forms a Z-shape with the housing 1, connecting to the rear end of the housing 1. The metal sheet 3 is Z-shaped, with the upper horizontal portion of the metal sheet 3 embedded in the housing 1 and having a spring piece 6 extending into the insertion groove 5. The vertical portion and another horizontal portion of the metal sheet 3 are embedded in the insulator 2. The terminals 4 are Z-shaped and include a contact portion 7, a connecting portion 8, and a soldering portion 9. The contact portion 7 extends into a terminal groove 10 provided on the inner wall of the insertion groove 5. Multiple baffles 11 are arranged on the upper and lower end faces of the horizontal portion of the insulator 2, and two adjacent baffles 11 directly form a soldering groove 12. The soldering portion 9 is inserted into the soldering groove 12.

[0019] The baffle 11 is stepped, with its lower end close to the housing 1. A shallow terminal limiting groove 13 and a deeper welding groove 12 are formed between two adjacent baffles 11.

[0020] The metal sheet 3 is provided with two embedding parts 14 that are embedded in the housing 1. The spring piece 6 is located between the two embedding parts 14. Both sides of the embedding part 14 are provided with barbs 15.

[0021] The rear end face of the baffle 11 is provided with guide slopes 16 on both sides to facilitate the insertion of wires.

[0022] The outer side of the housing 1 is covered with a metal shielding shell 17. The metal shielding shell 17 includes an upper shell and a lower shell connected by snap fasteners. The outer surface of the housing 1 is provided with a plurality of positioning protrusions, and the metal shielding shell 17 is provided with a plurality of positioning slots that match the positioning protrusions.

[0023] Both the upper shell and the lower shell are provided with an inwardly folding spring arm 18 extending into the insertion slot 5 at their front ends, which can increase the insertion and removal performance and grounding performance when the connector is inserted.

[0024] The beneficial effects of this utility model are as follows: a terminal limiting groove 13 and a welding groove 12 are formed between two adjacent baffles 11. The welding part 9 of the terminal 4 is inserted into the terminal limiting groove 13. The wire is inserted into the welding groove 12 and welded to the welding part 9. Because the welding groove 12 is relatively deep, the wire can be filled into the welding groove 12. The wire is blocked by the baffles 11 on both sides, which can prevent it from connecting with the adjacent lines and causing a short circuit.

[0025] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A short-circuit-proof board-to-wire connector, characterized by: The utility model relates to a shell, insulator, metal sheet and multiple terminals, the front end of shell is equipped with the plug-in slot, the plug-in slot is equipped with two rows of terminals, the insulator is L type, and with the shell constitutes Z type and connects the tail end of shell, the metal sheet is Z type, the horizontal portion of metal sheet is embedded in the shell and is equipped with the spring piece that advances into the plug-in slot, the vertical portion and another horizontal portion of metal sheet are embedded in the insulator, the terminal is Z type, including contact portion, connecting portion and welding portion, the contact portion advances into the terminal slot on the inner wall of plug-in slot, the horizontal portion of insulator is arranged with multiple blocking strips on the upper and lower end surfaces, and two adjacent blocking strips directly constitute welding slot, and the welding portion is clamped into the welding slot.

2. A short circuit prevention board-to-wire connector according to claim 1, characterized in that: The blocking strip is in the shape of a ladder, and the lower end of the blocking strip is close to the shell, and the two adjacent blocking strips form a shallow terminal limiting slot and a deeper welding slot behind the terminal limiting slot.

3. A short circuit prevention board-to-wire connector as defined in claim 1, wherein: The metal sheet is provided with two embedding parts embedded in the shell, and the spring piece is located between the two embedding parts, and the two sides of the embedding part are provided with barbs.

4. The short circuit prevention board-to-wire connector of claim 2, wherein: The two sides of the rear end surface of the blocking strip are provided with guide inclined surfaces.

5. The short circuit prevention board-to-wire connector of claim 1, wherein: The outer side of the shell is covered with a metal shielding shell, the metal shielding shell includes an upper half shell and a lower half shell connected by buckling, the outer surface of the shell is provided with multiple positioning convex points, and the metal shielding shell is provided with multiple positioning clamping grooves matched with the positioning convex points.

6. A short circuit prevention board-to-wire connector as defined in claim 5, wherein: The front end of the upper half shell and the lower half shell is provided with an inner folding spring arm extending into the plug-in slot.

Images