CN219419565U - 3.0Pitch solder sheet type needle stand - Google Patents

Abstract

The utility model discloses a 3.0Pitch soldering lug type needle seat which comprises a fixed soldering lug, an insulating main body and a metal terminal, wherein a slot extending vertically upwards is arranged at the inner side of the edge of the bottom surface of the insulating main body. The slot is vertically arranged, so that the fixed soldering lug can be vertically inserted into the insulating main body and is vertical to the inserting and pulling direction of the connector, the loosening phenomenon is not easy to occur, and the structural stability is good; the welding foot part is not protruding from the side wall of the insulating main body, the length is shortened, the deformation in the assembling and folding process can be reduced, the problems of non-pasting of products and tin eating unsaturation can be better controlled, the occupied area of a circuit board can be reduced, the miniaturization design of the circuit board is facilitated, the welding foot part is in a flat plate shape, the placement stability is effectively improved, the tin eating area is large, the welding effect is high, the structural stability is high, and the shaking phenomenon is not easy to occur. In addition, the assembly process is simple, and the assembly purpose can be achieved only by aligning and inserting the insertion part of the fixed soldering lug into the slot during assembly, so that the batch automatic production is facilitated.

Description

3.0Pitch solder sheet type needle stand

Technical Field

The utility model relates to the technical field of connectors, in particular to a 3.0Pitch soldering lug type needle seat.

Background

The CONNECTOR is CONNECTOR. Also known in the country as connectors, plugs and sockets. Generally referred to as an appliance connector. I.e. a device connecting two active devices, which carries a current or signal.

In order to improve the stability of the connector hub fixed on the circuit board, a reinforcing welding lug is additionally arranged on the connector hub for auxiliary fixation. The connector pin holder is characterized in that a slot matched with a reinforcing soldering lug is horizontally formed in the front end face or the rear end face of the connector pin holder, the reinforcing soldering lug is inserted into the slot through a hand or an inserting machine to be positioned through a hook leg, then a stitch of the fixing soldering lug is folded outwards to be clamped by a bending machine to form a soldering leg, the soldering leg is long in length, deformation phenomenon easily occurs after a material strip is removed after assembly, and therefore the problems of small tin eating area and no sticking board are caused. And the welding leg stretches out from the side wall of the connector, occupies a large area of the circuit board, is unfavorable for the miniaturization design of the circuit board, and meanwhile, the reinforcing welding lug is a slot horizontally inserted into the connector and is consistent with the inserting and pulling direction of the connector needle seat, so that the loosening phenomenon is easy to occur after repeated inserting and pulling, and the structural stability is poor.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide the 3.0Pitch welding sheet type needle seat which is ingenious and reasonable in structural design, good in structural stability and small in occupied circuit board area.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the 3.0Pitch soldering lug type needle seat comprises a fixed soldering lug, an insulating main body and a metal terminal arranged on the insulating main body, wherein a slot extending vertically upwards is arranged at the inner side of the edge of the bottom surface of the insulating main body, a groove which is communicated with the upper end of the slot is formed in the side wall of the insulating main body and corresponds to the upper end of the slot, an inserting part which is matched with the slot is formed in the upper part of the fixed soldering lug, the inserting part extends into the slot, the upper end of the inserting part extends to the position in the groove, and a barb which can be clamped on the groove is formed; the lower end of the fixed soldering lug is outwards bent and horizontally extends for a certain distance to form a soldering leg, and the outer edge of the soldering leg is not protruded out of the side wall of the insulating main body in the vertical projection direction.

As an improvement of the utility model, the lower end opening of the slot is outwards expanded to form a limit groove, and the fixed soldering lug is provided with a limit bulge matched with the limit groove, so that the limit effect is good.

As an improvement of the utility model, the lower end of the fixed soldering lug is bent outwards and horizontally extends for 1.3mm to form the soldering leg part.

As an improvement of the utility model, the welding leg part is in a flat plate shape, has good flatness, is stable to place and has good tin-eating effect.

As an improvement of the utility model, the outline of the welding leg is square.

As an improvement of the utility model, the upper end of the insertion part is in a reduced shape, which brings convenience to installation.

As an improvement of the utility model, the slot wall of the slot is provided with a guide slot corresponding to the position of the barb, so that the fixed soldering lug can be conveniently and rapidly inserted.

As an improvement of the utility model, the edge of the bottom surface of the insulating main body is provided with a chamfer to form a clearance space, thereby bringing convenience to welding.

As an improvement of the utility model, the top surface of the insulating main body is provided with the hook feet, so that the stability during assembly is improved.

As an improvement of the utility model, the bottom surface of the insulating main body is provided with the supporting convex strips, so that the placement stability is improved.

The beneficial effects of the utility model are as follows: the utility model has smart structural design, the slots are reasonably arranged vertically, the fixed welding lugs are vertically inserted into the insulating main body and are vertical to the inserting and pulling direction of the connector, the loosening phenomenon is not easy to occur, and the structural stability is good; meanwhile, the welding feet are not protruded from the side wall of the insulating main body, the length is shortened, the deformation in the assembling and folding process can be reduced, the problems of non-pasting of products and tin eating unsaturation can be better controlled, the occupied area of a circuit board can be reduced, the miniaturization design of the circuit board is facilitated, the welding feet are flat, the placement stability is effectively improved relative to the traditional strip-shaped welding feet, the tin eating area is large, the welding effect is high, the structural stability is high, and the shaking phenomenon is not easy to occur. In addition, the assembly process is simple, the fixed soldering lug is punched, bent and molded to form the insertion part, the barb and the soldering leg part, and the assembly purpose can be achieved only by aligning the insertion part and inserting the insertion part into the slot during assembly, so that the automatic production is facilitated.

The utility model will be further described with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

Fig. 3 is a schematic view of a partial cross-sectional structure of the present utility model.

Fig. 4 is a schematic exploded view of the present utility model.

Detailed Description

Referring to fig. 1 to 4, the present embodiment provides a 3.0Pitch tab type header including a fixing tab 1, an insulating body 2, and a metal terminal 3 provided on the insulating body 2.

A slot 21 extending vertically upwards is arranged at the inner side of the edge of the bottom surface of the insulating main body 2, and a groove 22 connected with the upper end of the slot 21 is arranged on the side wall of the insulating main body 2 corresponding to the upper end of the slot 21.

The upper portion of fixed lug 1 be equipped with the male part 11 of slot 21 looks adaptation, the upper end both corners portion of male part 11 is equipped with the chamfer, wholly is the form of diminishing, brings the convenience for the installation. The insertion part 11 extends into the slot 21, and the upper end of the insertion part 11 extends to a position in the groove 22 and is provided with a barb 14 which can be hooked on the groove 22.

The lower end of the fixing lug 1 is bent outwards and horizontally extends by about 1.3mm to form a welding leg 12, so that the outer edge position of the welding leg 12 is ensured not to protrude out of the side wall of the insulating main body 2 in the vertical projection direction. The length is shortened, the deformation in the assembling and folding process can be reduced, the problems of non-pasting and tin-eating unsaturation of the product are better controlled, the occupied area of the circuit board is reduced, and the miniaturization design of the circuit board is facilitated. Preferably, the welding leg 12 is in a flat plate shape, and is preferably square in whole, good in flatness, stable in placement, good in tin eating effect, high in structural stability, and not easy to shake.

Preferably, the lower end opening of the slot 21 is flared to form a limit groove 26, the fixed soldering lug 1 is provided with a limit protrusion 13 adapted to the limit groove 26, and the limit protrusion 13 is matched with the limit groove 26, so that the limit effect is good.

The slot wall of the slot 21 is provided with a guide slot 23 corresponding to the barb 14, so that the fixing welding lug 1 can be conveniently and rapidly inserted.

And a chamfer 24 is arranged at the edge of the bottom surface of the insulating main body 2 to form a clearance space, thereby bringing convenience to welding.

The top surface of the insulating main body 2 is provided with a hook foot 25, so that stability during assembly is improved. The bottom surface of the insulating main body 2 is provided with a supporting convex strip 27 to improve the stability of the circuit board.

The fixed soldering lug 1 is formed by punching and bending a metal sheet, and the insertion part 11, the soldering leg part 12, the limiting boss 13 and the barb 14 are correspondingly formed, so that the assembly purpose can be achieved only by aligning the insertion part 11 and inserting the same into the slot 21 during assembly, and an inserting machine can be adopted to replace the insertion action of a human hand, thereby being beneficial to butt joint with an automatic production line.

When the connector is used, the fixed welding lug 1 is vertically inserted into the insulating main body 2 and is vertical to the inserting and pulling direction of the connector, the acting force of the connector during inserting and pulling can be counteracted by the whole of the inserting part 11 and the slot 21, and compared with the traditional horizontal arrangement, the structure of counteracting the acting force during inserting and pulling the connector by the barbs is more stable, the structural stability is good, and the service life is long.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way. As described in the above embodiments of the present utility model, other connector hubs obtained using the same or similar structures are within the scope of the present utility model.

Claims (10)

1. The 3.0Pitch soldering lug type needle seat comprises a fixed soldering lug, an insulating main body and a metal terminal arranged on the insulating main body, and is characterized in that a slot extending vertically upwards is arranged at the inner side of the edge of the bottom surface of the insulating main body, a groove connected with the upper end of the slot is formed in the side wall of the insulating main body corresponding to the upper end of the slot, an inserting part matched with the slot is formed in the upper part of the fixed soldering lug, the inserting part extends into the slot, the upper end of the inserting part extends to the position in the groove, and a barb capable of being clamped on the groove is formed; the lower end of the fixed soldering lug is outwards bent and horizontally extends for a certain distance to form a soldering leg, and the outer edge of the soldering leg is not protruded out of the side wall of the insulating main body in the vertical projection direction.

2. The 3.0Pitch lug needle mount of claim 1 wherein: the lower end opening of the slot is outwards expanded to form a limit groove, and the fixed soldering lug is provided with a limit bulge matched with the limit groove.

3. The 3.0Pitch lug needle mount of claim 1 wherein: the lower end of the fixed welding lug is bent outwards and horizontally extends for 1.3mm to form the welding foot.

4. A 3.0Pitch solder tab hub according to claim 3, wherein: the welding foot part is in a flat plate shape.

5. The 3.0Pitch solder tab hub of claim 4, wherein: the outline of the welding foot part is square.

6. The 3.0Pitch lug needle mount of claim 1 wherein: the upper end of the insertion part is in a reduced shape.

7. The 3.0Pitch lug needle mount of claim 1 wherein: the slot wall of the slot is provided with a guide slot corresponding to the position of the barb.

8. The 3.0Pitch lug needle mount of claim 1 wherein: and a chamfer is arranged at the edge of the bottom surface of the insulating main body.

9. The 3.0Pitch lug needle mount of claim 1 wherein: the top surface of the insulating main body is provided with a hook foot.

10. The 3.0Pitch lug needle mount of any one of claims 1-9, wherein: the bottom surface of the insulating main body is provided with a supporting convex strip.