CN220235045U - PCB board connector bonding pad - Google Patents

Abstract

The utility model relates to a PCB connector bonding pad, wherein the connector bonding pad is arranged on a PCB, a positioning part is arranged on the connector bonding pad, the positioning part is of a downward concave structure, and a welding PIN of the connector can be correspondingly placed in the positioning part so as to ensure accurate alignment. The connector pad adopts the middle design of hollowing out, before the connector welding, places the connector in connector pad position, and connector PIN foot can put into the dig-out department of connector pad, guarantees that the connector counterpoint is accurate. The locating part is rectangular, and the PIN foot of the connector can be completely placed in the locating part. The PIN foot of the connector is provided with a positioning column, a positioning hole is formed in the positioning part, and the positioning column can be inserted into the positioning hole. According to the utility model, the center of the connector bonding pad is hollowed, and when the connector bonding pad is welded, the PIN of the connector is placed into the connector bonding pad to realize accurate alignment, the positioning part is also provided with the positioning hole, and the corresponding PIN of the connector is provided with the positioning column, so that positioning and clamping can be better realized, and the connector deflects in the process of placing and welding.

Description

PCB board connector bonding pad

Technical Field

The utility model relates to the technical field of connector bonding pads, in particular to a PCB connector bonding pad.

Background

In order to improve welding quality when the connector is welded with the connector bonding pad, manual welding is generally adopted, but in the manual operation process, inaccurate alignment often exists, and the quality problems such as short circuit and the like of parts can be caused by inaccurate alignment criteria, so that a solution is required to be provided, accurate alignment can be realized, operation of welding personnel is facilitated, and the quality of the parts is improved.

Disclosure of Invention

The utility model provides a PCB connector bonding pad, which aims to solve the problem of inaccurate comparison between a connector terminal and the connector bonding pad in the welding process in the prior art.

Specifically, the technical scheme of the utility model is as follows: a PCB board connector bonding pad is arranged on a PCB board, a positioning part is arranged on the connector bonding pad, the positioning part is of a downward concave structure, and a welding PIN of the connector can be correspondingly placed in the positioning part. The connector pad adopts the middle design of hollowing out, and connector PIN foot can put into the dig-out department of connector pad, and during the welding, put into connector pad position with the connector, then weld, guarantee that connector and connector pad counterpoint are accurate.

As a preferable embodiment, the positioning portion is rectangular, and the pin PI of the connector can be completely inserted into the positioning portion.

As the preferable technical scheme, the PIN of the connector is provided with a positioning column, a positioning hole is arranged in the positioning part, and the positioning column can be inserted into the positioning hole.

As a preferred embodiment, the connector pad is rectangular.

As a preferred technical solution, a plurality of connector pads are provided, and the plurality of connector pads are oppositely arranged in two rows.

As a preferred solution, the plurality of connector pads are equal in size.

As a preferable technical scheme, the distance L2 between two adjacent connector pads in the same row is less than or equal to 0.2mm.

As a preferable technical scheme, a circle of solder resist strips are arranged on the periphery of the connector bonding pad, and the distance between the edges of the solder resist strips and the outer edge L1 of the connector bonding pad is 0.03mm.

As the preferable technical scheme, a plurality of first circuit wiring layers are arranged on the PCB, and the first circuit wiring layers are connected with the outer edges of the connector bonding pads.

As a preferable technical scheme, the PCB is a multi-layer circuit board or a single-layer circuit board structure. When the PCB is a multilayer circuit board, the multilayer circuit structure is connected through a plurality of plated through holes.

Compared with the prior art, the utility model has the following technical effects: according to the utility model, the center of the connector bonding pad is hollowed, namely, the positioning part is designed, when the connector bonding pad is welded, the PI N PIN of the connector is placed into the connector bonding pad to realize accurate alignment, and further, the positioning part is also provided with a positioning hole, and the PIN PIN of the corresponding connector is provided with a positioning column, so that positioning and clamping can be better realized, and the connector deflects in the process of placing and welding, so that the welding quality is influenced.

Description of the drawings:

fig. 1 is a schematic diagram illustrating an assembly structure of a connector pad and a connector according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a pad structure of a PCB board connector according to an embodiment of the present utility model (an enlarged structure view of a in fig. 1);

reference numerals illustrate:

a PCB 1; a connector pad 11; a positioning portion 111; a connector 2; PIN 21.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. In the description of the present utility model, it should be noted that the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, in the description of the present application, the terms "first," "second," "upper," "lower," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Examples

As shown in fig. 1, this embodiment shows a schematic assembly structure of a connector pad 11 and a connector 2, and as can be seen from the figure, the connector 2 is placed in the connector pad 11 during soldering, and then soldering is performed. The connector bonding pad 11 adopts the middle hollowing design, before the connector 2 is welded, the connector 2 is placed at the connector bonding pad 11, and the connector 2PI N pin 21 can be placed at the hollowing position of the connector bonding pad 11, so that the alignment accuracy of the connector 2 is ensured.

Specifically, as shown in fig. 2, a structure enlarged view of a connector pad 11 of a connector 2 of a PCB board 1, i.e. a in fig. 1, is proposed. Wherein, the connector pad 11 is located on the PCB board 1, the connector pad 11 is provided with a positioning portion 111, the positioning portion 111 is a downward concave structure, i.e. the middle of the connector pad 11 is hollowed out, the welding PIN 21 of the connector 2 can be correspondingly placed into the positioning portion 111, and thus the designed connector pad 11 can ensure that the alignment of the connector 2 is accurate.

Preferably, the positioning portion 111, i.e., the hollowed area, is rectangular, and the PIN 21 of the connector 2 can be completely inserted into the positioning portion 111.

In some preferred embodiments, PIN 21 of connector 2 is provided with a locating post, not shown, in which locating portion 111 is provided with a locating hole into which the locating post can be inserted. By this arrangement, the PIN 21 of the connector 2 can be further fixed to the positioning portion 111, so that deflection during welding is prevented, the welding quality is affected, and the quality and the service life of the component are further affected.

Preferably, the connector 2 has a rectangular shape of the connector pads 11. I.e. the connector pads 11 are hollowed out in a rectangular shape, which is designed to facilitate the placement of the PIN 21 of the connector 2, and to facilitate the operation. Further, the connector 2 has a plurality of connector pads 11, the plurality of connector pads 11 are arranged in two rows relatively, the plurality of connector pads 11 are equal in size, and a distance L2 between two adjacent connector pads 11 in the same row is 0.2mm or less.

In some preferred embodiments, the connector pad 11 is peripherally provided with a ring of solder resist, the edges of which are 0.03mm from the outer edge L1 of the connector pad 11. The solder mask strip is composed of a solder mask material which is used by a liquid wet process or a dry film lamination, and the solder mask layer can be a green ink layer. The thickness of the green ink layer is larger than that of the metal layer of the PCB 1, so that the ink layer can cover the peripheral edges of the connector pads 11 while filling gaps between the circuits of the PCB 1, the circuits of the PCB are protected, the connector pads 11 are not easy to fall off, the stripping force of the connector pads 11 is enhanced, the adhesive force of the connector 2 on the PCB 1 is improved, and the connector 2 is not easy to damage.

Preferably, the PCB board 1 is provided with a plurality of first circuit routing layers, the first circuit routing layers are connected with the outer edges of the connector pads 11, and the circuit routing layers are connected and conducted with the outer periphery of the connector pads 11. Further, the PCB board 1 may be a multi-layer circuit board or a single-layer circuit board structure, and when the PCB board 1 is a multi-layer circuit board, the multi-layer circuit board structure is connected through a plurality of plated through holes.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model based on the embodiments of the utility model.

Claims (10)

1. The utility model provides a PCB board connector pad, its characterized in that, the connector pad is located on the PCB board, be equipped with location portion on the connector pad, location portion is the undercut structure, the welding PIN foot of connector can be corresponding to be put into location portion, in order to guarantee the connector with the connector pad counterpoint is accurate.

2. The PCB connector pad of claim 1, wherein the positioning portion is rectangular, and the PIN of the connector can be completely inserted into the positioning portion.

3. The PCB connector pad of claim 1, wherein the connector PIN has a positioning post, and the positioning portion has a positioning hole therein, and the positioning post is insertable into the positioning hole.

4. The PCB connector pad of claim 1, wherein a ring of solder resist strips is provided around the periphery of the connector pad, and the edges of the solder resist strips are 0.03mm from the outer edge L1 of the connector pad.

5. The PCB connector pad of claim 1, wherein a plurality of first circuit trace layers are provided on the PCB, the first circuit trace layers being connected to an outer edge of the connector pad.

6. The PCB connector pad of claim 1, wherein the connector pad is rectangular in shape.

7. The PCB connector pad of claim 6, wherein a plurality of said connector pads are provided, a plurality of said connector pads being oppositely disposed in two rows.

8. The PCB connector pad of claim 7, wherein a plurality of the connector pads are equal in size.

9. The PCB connector pad of claim 7, wherein a pitch L2 between two adjacent connector pads in a row is 0.2mm or less.

10. A PCB connector pad according to any of claims 1-9, wherein the PCB is a multilayer circuit board or a single layer circuit board structure.