CN213304401U

CN213304401U - Sinking plate type connector

Info

Publication number: CN213304401U
Application number: CN202022394230.4U
Authority: CN
Inventors: 洪新江; 张颖
Original assignee: Zhejiang Xinfuer Electronics Co ltd
Current assignee: Zhejiang Xinfuer Electronics Co ltd
Priority date: 2020-10-25
Filing date: 2020-10-25
Publication date: 2021-05-28
Anticipated expiration: 2030-10-25

Abstract

The utility model discloses a sinking plate type connector, which comprises an insulating base and a PIN PIN terminal; the upper part of the front end of the insulating base is provided with a slot, a plurality of jacks are arranged in the slot, and the PIN needle terminals are provided with conductive PINs, L-shaped connecting arms and welding parts; an insulating rear cover is arranged on the rear side of the insulating base; the cover is connected perpendicularly by riser and diaphragm and constitutes behind the insulation, and the shaping has the slot that corresponds vertical part on holding each L shape linking arm on the riser medial surface, and the shaping has the slotted hole on the diaphragm, and horizontal part's top edge is less than the upper surface of diaphragm on the L shape linking arm, and the welding part stretches out in the cover behind the insulation, and the upper surface of welding part is the face of weld with aluminium base circuit board welded, and the face of weld is not less than the upper surface of diaphragm. The utility model provides a heavy plate connector's rational in infrastructure, the lid after the institutional advancement newly increases is separated PIN needle terminal and aluminium base circuit board, avoids PIN stitch and aluminium base circuit board contact to cause the short circuit.

Description

Sinking plate type connector

Technical Field

The utility model relates to an electric connector, concretely relates to heavy board-like connector.

Background

With the rapid development of the electronic industry, the volume size of electronic products is smaller and smaller, the heat with larger power is the biggest threat of LEDs and other silicon products, and the solution of the heat dissipation problem is a great challenge. The aluminum-based circuit board is one of means for effectively solving the heat dissipation problem, the aluminum-based circuit board is a metal-based copper-clad plate with a good heat dissipation function, and the single-sided board is generally of a three-layer structure and comprises a circuit layer, an insulating layer and a metal base layer. In practical operation, sometimes, in order to reduce the thickness of the aluminum-based circuit board during application, a sunken board mounting mode is adopted to mount the electric connector, at this time, in order to meet the mounting requirement, a hole groove is punched on the aluminum-based circuit board, then the connector is placed in the hole groove, and then the welding part of the PIN PIN terminal on the connector is fixed with the welding position on the aluminum-based circuit board through spot welding. However, since the edge of the metal base layer is exposed when the hole groove is punched in the aluminum-based circuit board, the PIN terminal on the connector may contact with the metal base layer after the connector is inserted into the hole groove, thereby causing a short circuit problem.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a connector rational in infrastructure, is used for separating the metal-based layer on PIN needle terminal and the aluminium base circuit board through addding insulating back lid to avoid PIN needle terminal and metal level contact and cause the short circuit problem.

Realize the utility model discloses the technical scheme of purpose is:

a sinking plate type connector comprises an insulating base and a PIN PIN terminal;

the upper part of the front end of the insulating base is provided with a transversely arranged slot, a plurality of jacks are arranged in the slot at intervals along the length direction of the slot, and the PIN needle terminals are provided with a pair of conductive PINs which are inserted into the jacks from rear end ports of the jacks in a one-to-one correspondence manner, an L-shaped connecting arm which is connected with the rear end of the conductive PINs and is bent backwards when extending downwards to the bottom of the insulating base, and a welding part which is connected with the tail end of the L-shaped connecting arm and is bent upwards;

an insulating rear cover at least shielding the lower part of the L-shaped connecting arm is arranged at the rear side of the insulating base; the lid behind the insulation by with the riser that the insulating base rear end was leaned on and by the diaphragm that the riser bottom extends backward is connected perpendicularly and is constituted, the shaping has the correspondence on the riser medial surface and holds each vertical part's slot on the L shape linking arm, the shaping has the correspondence to hold on the diaphragm lateral part's slotted hole on the L shape linking arm, just lateral part's top edge is less than on the L shape linking arm the upper surface of diaphragm, the weld part stretch out in the lid behind the insulation, and the upper surface of weld part be with aluminium base circuit board welded face of weld, just the face of weld is not less than the upper surface of diaphragm.

In the technical scheme, the middle part of the L-shaped connecting arm is provided with the inserting part, and the insulating base is provided with the inserting groove which is in interference inserting fit with the inserting part.

In the technical scheme, the upper part of the insulating base is provided with a hanging table matched with the upper hook of the butt plug.

In the technical scheme, the left side and the right side of the insulating base are provided with fixing pieces fixedly connected with the aluminum-based circuit board.

In the above technical scheme, an oblique angle is arranged at the front socket of the slot.

The utility model discloses has positive effect: the utility model provides a connector's rational in infrastructure, through the insulating back lid of PIN needle terminal department increase on insulating base, separate PIN needle terminal and aluminium base PCB board, avoid PIN needle terminal and aluminium base circuit board contact to cause the short circuit.

Drawings

FIG. 1 is a schematic view of a connector according to the present invention;

FIG. 2 is a perspective view of the connector of FIG. 1 from another angle;

FIG. 3 is a rear view of the connector of FIG. 1;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a structural diagram of the rear insulating cover of the present invention;

FIG. 6 is an exploded view of the connector of FIG. 1;

fig. 7 is a cross-sectional view of the connector of the present invention mounted on an aluminum-based circuit board.

The reference symbols shown in the figures are: 1-an insulating base; 10-a jack; 11-a slot; 12-a plug groove; 13-hanging the table; 14-caulking groove; 2-insulating rear cover; 21-a riser; 22-a transverse plate; 23-a trench; 24-a slot; 3-PIN terminals; 31-conductive pins; a 32-L shaped connecting arm; 33-a weld; 331-a welding surface; 34-a plug-in part; a 4-aluminum-based circuit board; 5-fixing piece.

Detailed Description

The specific structure of the middle sinking plate type connector of the present invention is described below with reference to the attached drawings of the specification:

a sinking plate type connector, as shown in fig. 1 to 6, includes an insulating base 1 and a PIN terminal 3; the upper part of the front end of the insulating base 1 is provided with a slot 11 which is transversely arranged, a plurality of jacks 10 are arranged in the slot 11 at intervals along the length direction of the slot, and the PIN terminals 3 are provided with a pair of conductive PINs 31 which are inserted into the jacks 10 from the rear end ports of the jacks 10 in a one-to-one correspondence manner, an L-shaped connecting arm 32 which is connected with the rear end of the conductive PINs 31 and bent backwards when extending downwards to the bottom of the insulating base 1, and a welding part 33 which is connected with the tail end of the L-shaped connecting arm 32 and bent upwards; an insulating rear cover 2 at least shielding the lower part of the L-shaped connecting arm 32 is arranged at the rear side of the insulating base 1; lid 2 after insulating by with the riser 21 that the insulating base 1 rear end was leaned on and by the diaphragm 22 that the riser 21 bottom extends backward is connected perpendicularly and is constituted, the shaping has the correspondence on the riser 21 medial surface and holds each the slot 23 of vertical part on the L shape connecting arm 32, the shaping has the correspondence to hold on the diaphragm 22 horizontal part's on the L shape connecting arm 32 slotted hole 24, just horizontal part's on the L shape connecting arm 32 top edge is less than the upper surface of diaphragm 22, weld part 33 stretch out in lid 2 after insulating, and the upper surface of weld part 33 be with aluminium base circuit board 4 welded face of weld 331, just the face of weld 331 is not less than the upper surface of diaphragm 22. The connector in this embodiment is rational in infrastructure, and the connector is arranged in the hole inslot on aluminium base circuit board to realize the electricity through the conductive part welding on face of weld 331 and the aluminium base circuit board and connect as shown in figure 7, and through insulating back lid of adding in PIN needle terminal department on the insulating base, separate PIN needle terminal and aluminium base PCB board, avoid PIN needle terminal and aluminium base circuit board contact to cause the short circuit.

In this embodiment, the rear portion of the insulating base 1 is provided with a caulking groove 14, and the insulating rear cover 4 is tightly embedded in the caulking groove 14.

In this embodiment, the middle of the L-shaped connecting arm 32 is provided with a plugging portion 34, the insulating base 1 is provided with a plugging groove 12 which is in interference plugging fit with the plugging portion 34, and the reliability of the connection between the PIN terminal and the insulating base 1 is enhanced through the interference fit between the plugging portion 34 and the plugging groove 12.

In this embodiment, the upper portion of the insulating base 1 is provided with a hanging platform 13 matched with the hook on the docking plug, and the reliability of connection between the docking plug and the slot 11 on the connector is enhanced through matching the hook and the hanging platform 13 after the docking plug is plugged into the slot.

As a further improvement, in the embodiment, the left and right sides of the insulating base 1 are provided with fixing pieces 5 fixedly connected with the aluminum-based circuit board 4, and the reliability of the connector and the aluminum-based circuit board is enhanced by welding the fixing pieces 5 at the two sides with the welding positions on the aluminum-based circuit board 4; as a modified structure, such a structure may be adopted: the left side, the right side and the front part of the insulating base 1 are provided with fixing pieces 5 fixedly connected with the aluminum-based circuit board 4, namely the fixing pieces 6 in three directions are welded with welding positions on the aluminum-based circuit board 5.

Further, an oblique angle is arranged at the front socket of the slot 11, and the caliber of the front port of the slot 11 is increased through the design of the oblique angle, so that the flat cable is conveniently inserted.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. A sinking plate type connector comprises an insulating base (1) and a PIN PIN terminal (3);

the upper part of the front end of the insulating base (1) is provided with a transverse slot (11), a plurality of jacks (10) are arranged in the slot (11) at intervals along the length direction of the slot, and the PIN PIN terminals (3) are provided with a pair of conductive PINs (31) which are inserted into the jacks (10) from the rear end ports of the jacks (10) in a one-to-one correspondence manner, an L-shaped connecting arm (32) which is connected with the rear end of the conductive PINs (31) and bent backwards when extending downwards to the bottom of the insulating base (1), and a welding part (33) which is connected with the tail end of the L-shaped connecting arm (32) and bent upwards;

the device is characterized in that an insulating rear cover (2) at least shielding the lower part of the L-shaped connecting arm (32) is arranged at the rear side of the insulating base (1); lid (2) after insulating by with riser (21) that insulating base (1) rear end leaned on and by diaphragm (22) that riser (21) bottom extends backward are connected perpendicularly and are constituted, the shaping has the correspondence on riser (21) medial surface and holds each vertical part's slot (23) on L shape connecting arm (32), the shaping has the correspondence on diaphragm (22) and holds horizontal part's slotted hole (24) on L shape connecting arm (32), just horizontal part's top edge is less than on L shape connecting arm (32) the upper surface of diaphragm (22), welding part (33) stretch out in lid (2) after insulating, and the upper surface of welding part (33) be with aluminium base circuit board (4) welded face (331), just welding face (331) are not less than the upper surface of diaphragm (22).

2. The sinking plate type connector according to claim 1, wherein the L-shaped connecting arm (32) is provided with a plug part (34) in the middle, and the insulating base (1) is provided with a plug groove (12) which is in interference plug fit with the plug part (34).

3. A sinking plate connector according to claim 1, wherein the upper part of the insulating base (1) is provided with a hanging platform (13) for matching with a hook on a butt plug.

4. A sinking plate type connector according to any one of claims 1 to 3, wherein fixing pieces (5) fixedly connected with the aluminum-based circuit board (4) are mounted on the left and right sides of the insulating base (1).

5. A sinking plate connector according to any of claims 1-3, wherein the front socket of the slot (11) is bevelled.