CN211605451U - PCB welding inserted sheet terminal with grid structure - Google Patents

Abstract

The utility model provides a PCB welding inserted sheet terminal with grid structure for solve traditional inserted sheet terminal and appear leaking often in welding process and weld, lack bad condition such as welding and repair welding and easily cause reduction in production efficiency, increase cost of labor scheduling problem. The utility model comprises an L-shaped terminal body, wherein at least two grating areas are vertically arranged on the upper part of the L-shaped terminal body, and a middle column is arranged between two adjacent grating areas; the lower part of the L-shaped terminal body is transversely provided with a pin structure. The heat transfer area of the L-shaped terminal body in the reflow soldering process is increased by the open grid area and the closed grid area, and the parallel pins with the slender structures improve the temperature rising rate of the pins of the L-shaped terminal body in the wave soldering process, so that the welding performance is improved; the middle column not only increases the electric contact performance of the L-shaped terminal body, but also enhances the strength of the grid structure. The utility model discloses simple structure improves production efficiency, and reduce cost has very strong practicality.

Description

PCB welding inserted sheet terminal with grid structure

Technical Field

The utility model relates to a binding post technical field, concretely relates to PCB welding inserted sheet terminal with grid structure.

Background

In the consumer electronics industry, PCBs are mostly used for transmitting weak current signals, and PCB soldering terminals mainly use small-specification pin terminals. With the development of PCB technology and the deepening of related research, the requirements for integration and light weight of electronic and electrical products are higher and higher, and in some application backgrounds, PCBs are also gradually applied to transmitting larger current and voltage, and meanwhile, the specification of a PCB welding terminal is correspondingly increased. The terminals with larger specification difference can achieve good welding in the same welding process, and the requirement on the welding process is high. In PCB integrated weld circuit, the terminal specification for transmitting heavy current is great, and is higher to the welding process requirement, and traditional inserted sheet terminal simple structure appears leaking often in welding process and welds, lacks bad condition such as welding. In actual production, a repair welding mode is usually adopted to meet the product requirements, so that the production efficiency is reduced, and the labor cost is increased.

SUMMERY OF THE UTILITY MODEL

Poor condition such as welding, lack welding often appears leaking in welding process to traditional inserted sheet terminal and repair welding easily causes reduction in production efficiency, increases cost of labor scheduling problem, the utility model provides a PCB welding inserted sheet terminal with grid structure for improve the structure of PCB welding inserted sheet terminal, improve the welding performance of PCB welding inserted sheet terminal, guarantee the electrical contact performance of PCB welding inserted sheet terminal simultaneously.

In order to solve the technical problem, the utility model discloses a following technical scheme: a PCB welding insert terminal with a grid structure comprises an L-shaped terminal body, wherein at least two grid areas are vertically arranged at the upper part of the L-shaped terminal body, and a middle column is arranged between every two vertically adjacent grid areas; the lower part of the L-shaped terminal body is horizontally provided with a pin structure.

The grid area comprises an open grid area and at least one closed grid area, the open grid area is arranged at the head of the L-shaped terminal body, the closed grid area is arranged below the open grid area, and the open grid area and the closed grid area are separated through a middle column.

The opening grating area comprises a plurality of opening gratings, the closed grating area comprises a plurality of closed gratings, and the opening gratings and the closed gratings are arranged in a one-to-one correspondence mode from top to bottom.

The pin structure comprises at least two pins arranged in parallel, and a pin opening is arranged between the two pins.

And hanging table structures which are matched with the protective sleeve and incline oppositely are arranged on two sides of the L-shaped terminal body.

The opening grids in the opening grid area, the closed grids in the closed grid area, the middle columns, the plug pins and the hanging table structure are integrally formed with the L-shaped terminal body in a punching mode.

The utility model has the advantages that: the heat transfer area of the L-shaped terminal body of the PCB welding insert is increased in the open grid area and the closed grid area in the reflow soldering process, the temperature rising rate of the pins of the L-shaped terminal body in the wave soldering process is increased by the parallel pins of the slender structure, and the welding performance of the L-shaped terminal body is improved; the middle column not only increases the electric contact performance of the L-shaped terminal body, but also enhances the strength of the grid structure. The utility model discloses structural design is simple reasonable, improves production efficiency, and reduce cost has very strong practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure, 1 is an open grid area, 2 is a middle column, 3 is a closed grid area, 4 is a hanging platform structure, 5 is a pin, and 6 is a pin opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a PCB welding inserted sheet terminal with grid structure, including L type terminal body, the vertical two at least grid regions that are equipped with in upper portion of L type terminal body specifically do the grid region includes that an opening grid region 1 and at least one close mouthful of grid region 3, and opening grid region 1 sets up the head at L type terminal body, and close mouthful of grid region 3 sets up the below at opening grid region 1, and this structural design has not only increased the heat transfer area of L type terminal body, has improved L type terminal body welding performance in the reflow soldering process simultaneously. Furthermore, an intermediate column 2 is arranged between two vertically adjacent grid areas, namely the open grid area 1 and the closed grid area 3 are separated by the intermediate column 2, and the intermediate column 2 and the L-shaped terminal body are integrally formed in a punching mode, so that the two vertically adjacent grid areas are firmly connected. The middle column 2 is arranged in a contact area of the L-shaped terminal body and the plug-in terminal to ensure that the contact area of the L-shaped terminal body and the plug-in terminal completely contains the middle column 2, and through the arrangement of the middle column 2, the electric contact performance of the L-shaped terminal body is improved, the structural strength of a grid area is enhanced, and the reliability of a product is improved.

Specifically, opening grid region 1 includes a plurality of opening grid, and the grid region 3 that closes includes a plurality of grid that closes, opening grid and the grid that closes all with the integrative stamping forming of L type terminal body to ensure the reliability of monolithic connection. The opening grating and the closed grating are arranged in a one-to-one correspondence mode from top to bottom, and the grating structure is favorable for improving the welding performance of the L-shaped terminal body in the welding process so as to achieve good welding and meet the requirement on product quality. Wherein, the upper part of the open grid area 1 is provided with a wedge-shaped structure so as to be conveniently inserted into the sheath, and the use is convenient. Furthermore, the two sides of the L-shaped terminal body are provided with hanging table structures 4 which are matched with the protective sleeve and incline oppositely, the hanging table structures 4 and the L-shaped terminal body are integrally formed in a stamping mode, the hanging table structures 4 are arranged on the two sides of the lower portion of the closed grid region 3, when the L-shaped terminal is used, the protective sleeve is sleeved downwards from the upper portion of the open grid region 1, and finally the hook on the protective sleeve is hung on the hanging table structures 4. Preferably, the hanging platform structure 4 is a frustum-shaped structure, and the length of the upper side of the frustum-shaped structure is smaller than that of the lower side thereof, so that the outer side surface thereof forms an inclined surface, and the sheath can be conveniently and smoothly sleeved along the inclined surface. The lower side length of the hanging table structure 4 and the pin structure are provided with grooves, so that the matching between the sheath and the L-shaped terminal body is better, and the reliability of the connection between the sheath and the L-shaped terminal body is further ensured.

The lower part of the L-shaped terminal body is transversely provided with a pin structure, the pin structure comprises at least two pin 5 which are arranged in parallel, the pin 5 and the L-shaped terminal body are integrally formed in a stamping mode, the head of the pin 5 is also provided with a wedge-shaped structure, and the pin is convenient to be matched with a PCB. Be equipped with between two participate in 5 and participate in opening 6, the bottom of participating in opening 6 is the arc, has great length, can effectively improve L type terminal body and participate in the rising rate of temperature at wave-soldering in-process, further improves the welding performance of L type terminal body.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a PCB welding inserted sheet terminal with grid structure which characterized in that: the L-shaped terminal comprises an L-shaped terminal body, wherein at least two grating areas are vertically arranged on the upper part of the L-shaped terminal body, and a middle column (2) is arranged between every two adjacent grating areas; the lower part of the L-shaped terminal body is transversely provided with a pin structure.

2. A PCB welding tab terminal with grid structure of claim 1, wherein: the grating area comprises an open grating area (1) and at least one closed grating area (3), the open grating area (1) is arranged at the head of the L-shaped terminal body, the closed grating area (3) is arranged below the open grating area (1), and the open grating area (1) and the closed grating area (3) are separated by a middle column (2).

3. A PCB welding tab terminal with grid structure of claim 2, wherein: the opening grating area (1) comprises a plurality of opening gratings, the closed grating area (3) comprises a plurality of closed gratings, and the opening gratings and the closed gratings are arranged in a one-to-one correspondence manner from top to bottom.

4. A PCB welding tab terminal with grid structure of claim 3, wherein: the pin structure comprises at least two pins (5) arranged in parallel, and a pin opening (6) is arranged between the two pins (5).

5. A PCB welding tab terminal with grid structure of claim 4, wherein: and hanging table structures (4) which are matched with the protective sleeve and incline oppositely are arranged on two sides of the L-shaped terminal body.

6. A PCB welded tab terminal with grid structure as in claim 2, 3, 4 or 5 wherein: the opening grids in the opening grid area (1), the closed grids in the closed grid area (3), the middle columns (2), the pins (5) and the hanging platform structure (4) are all integrally formed with the L-shaped terminal body in a punching mode.

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