CN218735160U

CN218735160U - Anti-vibration connecting sheet structure for PCBA (printed circuit board assembly) board

Info

Publication number: CN218735160U
Application number: CN202222792473.2U
Authority: CN
Inventors: 吴春; 黄卫华
Original assignee: Shenzhen Jianke Electronics Co ltd
Current assignee: Shenzhen Jianke Electronics Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-24
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a vibration resistance connection piece structure for PCBA board is equipped with the welded plate on the PCBA board of rectangle form, has seted up the weld hole on the welded plate, welded plate and vibration resistance connection piece welded fastening, and the vibration resistance connection piece includes integrated into one piece's weld part, transition portion and connecting portion, and the weld part lower extreme is equipped with the leg, the welding has the leg in the weld hole, and the weld part upper end is connected with transition portion afterbody, and transition portion prelude is connected with connecting portion. The utility model discloses increased the weld part area of anti vibration connection piece, promoted product welded firmness, to promoting the anti vibration effect by a wide margin, let anti vibration connection piece focus back shift on the weld part to it is accurate to ensure not to take place to empty problem and welded position in the installation.

Description

Anti-vibration connecting sheet structure for PCBA (printed circuit board assembly) board

Technical Field

The utility model relates to a car micro motor controller technical field especially relates to a vibration resistance connection piece structure for PCBA board.

Background

PCBA is the abbreviation of English Printed Circuit Board Assembly, that is, PCBA is the abbreviation of PCBA when PCB blank Board is processed by SMT for loading or the whole process of DIP plug-in.

In the prior art, the connecting sheet is welded with the PCB through an SMT (surface mount technology) process, and the position of the welded connecting sheet is required to meet the requirement. In the process, the connecting sheet is often fixed and limited by means of a tooling fixture, and the gravity center of the existing connecting sheet is not directly and vertically positioned at a welding point, so that the gravity center of the connecting sheet is unstable in the process of fixing and limiting the PCB, and the paster is easy to topple during welding; if it is spacing to fix earlier without the frock smelting tool, then the connection piece does not have the location, takes place the slope more easily during paster welding. Therefore, it is necessary to design a vibration-resistant connecting sheet structure for PCBA boards, which can increase the welding area and ensure the accuracy of the welding position.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a vibration resistant connection piece structure for PCBA board.

The utility model provides a following technical scheme: the utility model provides a vibration resistance connection piece structure for PCBA board, includes the PCBA board of rectangle form, its characterized in that: the PCBA is provided with a welding plate, and the welding plate is welded and fixed with the anti-vibration connecting sheet; the anti-vibration connecting piece comprises a welding part, a transition part and a connecting part which are integrally formed, the upper end of the welding part is connected with the tail part of the transition part, and the head part of the transition part is connected with the connecting part.

Preferably, the welding plate is provided with a welding hole, the lower end of the welding part is provided with a welding leg, and the welding leg is welded in the welding hole.

Preferably, the transition portion and the connection portion have the same width, and the welding portion has a width greater than the width of the transition portion and the connection portion.

Preferably, the transition part is S-shaped, and the bending part of the transition part is relatively provided with a transverse groove.

Preferably, the depth of the transverse groove is equal to the bending radius of the transition part.

Preferably, the lower end of the connecting part is provided with an arc-shaped connecting block, and the lower end of the arc-shaped connecting block is connected with the head part of the transition part.

Preferably, the lower end of the welding leg is provided with a square chamfer.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model has the advantages that the whole structure is simple, the welding holes are formed on the welding plate through the welding plate arranged on the rectangular PCBA plate, the welding plate is fixed with the anti-vibration connecting plate in a welding way, the anti-vibration connecting plate comprises the integrally formed welding part, the transition part and the connecting part, the lower end of the welding part is provided with the welding leg, the welding leg is welded in the welding holes, the upper end of the welding part is connected with the tail part of the transition part, the head part of the transition part is connected with the connecting part, the welding part area of the anti-vibration connecting plate is increased, the firmness of product welding is improved, the anti-vibration effect can be greatly improved, and the gravity center of the anti-vibration connecting plate is moved backwards and falls on the welding part, so that the problem of falling in the installation process is avoided, and the welding position is accurate;

(2) The utility model discloses an increase two location fillets, the fillet lower extreme is equipped with square chamfer, carries out soldering tin with the solder hole on the PCBA board, and the fillet plays good locate function, can ensure not taking place the slope in the product production process, need not the frock in the production process and assist, and the product of production can keep the uniformity of height.

Drawings

FIG. 1 is a schematic structural view of the vibration-resistant connecting sheet of the present invention;

FIG. 2 is a second schematic view of the vibration-resistant connecting sheet of the present invention;

FIG. 3 is a side view of the vibration resistant connector of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a schematic structural diagram of the PCBA board of the present invention.

Detailed Description

As shown in fig. 1 to 5, a vibration-resistant connecting piece structure for a PCBA board comprises a PCBA board 1, a vibration-resistant connecting piece 2, a welding part 201, a transition part 202, a connecting part 203, a welding board 3, a welding hole 4, a welding foot 5, a transverse groove 6 and an arc-shaped connecting block 7.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, a rectangular PCBA board 1 is provided with a welding plate 3, and the welding plate 3 is welded and fixed with a vibration-resistant connecting sheet 2; anti vibration connection piece 2 includes integrated into one piece's welding part 201, transition portion 202 and connecting portion 203, specifically, in this embodiment, welding hole 4 has been seted up on the welded plate 3, welding part 201 lower extreme is equipped with leg 5, the welding has leg 5 in the

welding hole

4, 5 lower extremes of leg are equipped with square chamfer, carry out soldering tin with the welding hole on the PCBA board, leg 5 plays good locate function, can ensure not taking place the slope in the product production process, need not the frock in the production process and assist, the product of production can keep the uniformity of height.

The upper end of the welding part 201 is connected with the tail part of the transition part 202, the head part of the transition part 202 is connected with the connecting part 203, specifically, the widths of the transition part 202 and the connecting part 203 are equal, and the width of the welding part 201 is larger than the widths of the transition part 202 and the connecting part 203, so that the gravity center of the anti-vibration connecting piece 2 can smoothly fall on the welding part 201, and the subsequent welding is facilitated.

Transition portion 202 is "S" shape, and transverse groove 6 has been seted up relatively to the department of bending of transition portion 202, and the degree of depth of transverse groove 6 equals the department of bending radius of transition portion 202, improves the anti vibration effect of this device.

The lower extreme of connecting portion 203 is equipped with arc connecting block 7, and the lower extreme of arc connecting block 7 is connected with transition portion 202 prelude, lets the height of connecting portion 203 bottom be a little higher than the height at transition portion 202 top, avoids connecting portion 203 and transition portion 202 main part to take place to interfere, improves the anti vibration effect.

The utility model has the advantages of simple integral structure, increased the 201 areas of weld part of anti vibration connection piece 2, promote product welded firmness, to promoting anti vibration effect by a wide margin, let 2 focus shifts backward of anti vibration connection piece fall on weld part 201 to ensure that it is accurate not take place to empty problem and welded position in the installation.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anti vibration connection piece structure for PCBA board, includes PCBA board (1) of rectangle form, its characterized in that: the PCBA board (1) is provided with a welding board (3), and the welding board (3) is welded and fixed with the anti-vibration connecting sheet (2); anti vibration connection piece (2) are including integrated into one piece's welding portion (201), transition portion (202) and connecting portion (203), welding portion (201) upper end and transition portion (202) tail connection, transition portion (202) prelude is connected with connecting portion (203).

2. A vibration resistant tab construction for a PCBA board according to claim 1, wherein: welding hole (4) have been seted up on welded plate (3), welding portion (201) lower extreme is equipped with leg (5), welding leg (5) have been welded in welding hole (4).

3. A vibration resistant tab construction for a PCBA board according to claim 2, wherein: the width of the transition part (202) is equal to that of the connecting part (203), and the width of the welding part (201) is larger than that of the transition part (202) and the connecting part (203).

4. A vibration resistant connector tab structure for a PCBA board according to claim 3, wherein: the transition portion (202) is S-shaped, and transverse grooves (6) are formed in the bending positions of the transition portion (202) oppositely.

5. A vibration resistant tab construction for a PCBA board as claimed in claim 4, in which: the depth of the transverse groove (6) is equal to the radius of the bending part of the transition part (202).

6. A vibration resistant tab construction for a PCBA board as claimed in claim 3 or claim 4, in which: connecting portion (203) lower extreme is equipped with arc connecting block (7), arc connecting block (7) lower extreme with transition portion (202) prelude is connected.

7. A vibration resistant tab construction for a PCBA board according to claim 2, wherein: the lower end of the welding leg (5) is provided with a square chamfer.