CN212786048U

CN212786048U - Multilayer PCB board

Info

Publication number: CN212786048U
Application number: CN202021389907.9U
Authority: CN
Inventors: 周书好
Original assignee: Quanzhou Jintian Electronic Circuit Board Co ltd
Current assignee: Quanzhou Jintian Electronic Circuit Board Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-23
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a multilayer PCB board. The PCB comprises a first PCB, a second PCB, a third PCB and a connecting assembly. The connecting assembly comprises a supporting body and a metal connecting piece. The support body comprises a support side wall and a groove part vertically arranged with the support side wall. The metal connecting piece comprises a connecting body and two connecting ports. And a plurality of metal connecting pieces are longitudinally arranged in the groove parts. First PCB board, second PCB board, third PCB board both ends equidistance set up the metal contact, and the PCB board is range upon range of to be put, and both sides are passed through the connecting piece and are connected and support. The right sides of the first PCB and the second PCB are electrically connected with the left sides of the second PCB and the third PCB through metal connecting pieces. PCB board mounting and electric connection structure integrated design need not to set up bearing structure and electric connector alone, reduces process, reduce cost, improves installation availability factor.

Description

Multilayer PCB board

Technical Field

The utility model relates to a PCB board technical field especially relates to a multilayer PCB board.

Background

Printed circuit boards are one of the important components in the electronic industry, and are almost applied to every kind of electronic products as carriers for electrical connection of electronic components. Many electrical equipment require to set up a large amount of electronic device in the little space range, and most producers solve this problem through multilayer PCB board, and present multilayer PCB board mostly adopts stitch welding or the mode of installation primary and secondary electric connection joint on the PCB board, and simultaneously, the fixed stay between the PCB board needs dedicated part, has increased the cost and has installed the degree of difficulty, also is not nimble enough and convenient in-service use and installation.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a multilayer PCB board.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a multi-layer PCB board. The PCB comprises a first PCB, a second PCB, a third PCB and a connecting assembly. First PCB board, second PCB board, third PCB board both ends equidistance set up the metal contact, coupling assembling includes supporter, metal connecting piece. The support body comprises a support side wall and three groove portions vertically arranged with the support side wall, and the support body is made of an insulating hard material. The metal connecting piece comprises a connecting body, two connecting ports perpendicular to the connecting body, an upper clamping piece and a lower clamping piece which are symmetrically arranged and provided with trapezoidal protrusions at the inner side of the tail end. And a plurality of metal connecting pieces are longitudinally distributed in the groove parts, and the number, the width and the distribution distance of the metal connecting pieces correspond to those of the metal contacts at the two ends of the first PCB, the second PCB and the third PCB. The first PCB, the second PCB and the third PCB are stacked and placed, and two sides of the first PCB, the second PCB and the third PCB are connected and supported through connecting pieces. The right sides of the first PCB and the second PCB are electrically connected through a metal connecting piece. And the left sides of the second PCB and the third PCB are electrically connected through a metal connecting piece.

Furthermore, the groove part of the support body is internally provided with a vertical installation groove of the metal connecting piece, and the metal connecting piece is installed according to the condition of the PCB metal contact which is required to be connected.

Furthermore, the groove parts of the supporting body except one end are fixedly provided with metal connecting pieces, and the supporting body is installed after being adjusted in an up-and-down rotating mode according to the connection requirement of the PCB during use.

Further, the number of the grooves of the supporting body is more than three.

Furthermore, the metal contacts at the two ends of the PCB are symmetrically arranged on the upper surface and the lower surface, and the symmetrical metal contacts are electrically connected.

Furthermore, the whole multilayer PCB is reinforced by a reinforcing component of the equipment cabinet.

Furthermore, cooling fans are arranged on the side faces of the first PCB, the second PCB and the third PCB.

Furthermore, the side edge of the trapezoid protruding edge is a circular arc chamfer.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. PCB board mounting and electric connector integration, the PCB board need not to set up bearing structure and electric connector alone, reduces process, reduce cost.

2. The PCB can be electrically connected and fixedly supported through simple plugging operation, and the installation and use efficiency is greatly improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of a multilayer PCB of the present invention;

fig. 2 is a side view schematic diagram of the connection assembly of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the support body groove portion of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the metal connecting piece of the present invention.

Fig. 5 is a schematic diagram of the metal contact structure of the PCB of the present invention.

In the figure: 101. first PCB 102, second PCB 103, third PCB 2, connecting component 3, metal connecting component 301, connecting component 302, connecting component 303, lower clamping component 304, upper clamping component 305, trapezoid

Protrusion 4, support body 401, support side wall 402, recessed portion 6, metal contact.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

Referring to fig. 1, a multi-layer PCB panel. Comprises a first PCB board 101, a second PCB board 102, a third PCB board 103 and a connecting component 2. First PCB board 101, second PCB board 102, third PCB board 103 both ends equidistance set up metal contact 6, coupling assembling 2 includes support body 4, metal connecting piece 3. The support body 4 comprises a support side wall 401 and three groove portions 402 arranged perpendicular to the support side wall, and the support body is made of an insulating hard material. The metal connecting piece 3 comprises a connecting body 301, two connecting ports 302 perpendicular to the connecting body 301, an upper clamping piece 304 and a lower clamping piece 303 which are symmetrically arranged and provided with trapezoidal protrusions 305 at the inner sides of the tail ends; a plurality of metal connectors 3 are longitudinally distributed in the groove part 402, and the number, width and distribution distance of the metal connectors 3 correspond to the number, width and distribution distance of the metal contacts 6 at the two ends of the first PCB 101, the second PCB 102 and the third PCB 103. The first PCB 101, the second PCB 102 and the third PCB 103 are stacked and arranged, and two sides of the first PCB, the second PCB and the third PCB are connected and supported through the connecting piece 3. The right sides of the first PCB 101 and the second PCB 102 are electrically connected through a metal connecting piece 3; the second PCB 102 and the third PCB 103 are electrically connected to each other at the left side by a metal connector 3.

Furthermore, the groove part 402 of the support body 4 is preset with a vertical installation groove of the metal connector 3, and the metal connector 3 is installed according to the condition of the metal contact 6 of the PCB board to be connected.

Further, the groove portions 402 of the support body 4, except one end, are all fixedly provided with the metal connecting pieces 3, and are installed after being adjusted by rotating up and down according to the connection requirement of the PCB when in use.

Further, the number of the groove portions 402 of the support body 4 is greater than three, which satisfies the installation of more PCB boards.

Furthermore, metal contacts 6 at two ends of the PCB are symmetrically arranged on the upper surface and the lower surface, and the symmetrical metal contacts 6 are electrically connected, so that the contact reliability is enhanced.

Furthermore, the side edge of the trapezoidal protrusion 305 is an arc chamfer, so that the metal contact 6 of the PCB is prevented from being scratched.

Furthermore, the whole reinforcing part that adopts the equipment cabinet of multilayer PCB board carries out outside supplementary reinforcement, prevents to loosen and take off.

Furthermore, cooling fans are further mounted on the side surfaces of the first PCB 101, the second PCB 102 and the third PCB 103 to reduce the working temperature.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multilayer PCB board comprising a first PCB board (101), a second PCB board (102), a third PCB board (103) and a connecting assembly (2), characterized in that: metal contacts (6) are arranged at two ends of the first PCB (101), the second PCB (102) and the third PCB (103) at equal intervals, and the connecting component (2) comprises a supporting body (4) and a metal connecting piece (3); the supporting body (4) comprises a supporting side wall (401) and three groove parts (402) which are perpendicular to the supporting side wall, and the supporting body (4) is made of an insulating hard material; the metal connecting piece (3) comprises a connecting body (301), two connecting ports (302) perpendicular to the connecting body (301), an upper clamping piece (304) and a lower clamping piece (303), wherein the upper clamping piece (304) and the lower clamping piece (303) are symmetrically arranged, and trapezoidal protrusions (305) are arranged on the inner sides of the tail ends of the upper clamping piece and the lower clamping piece; a plurality of metal connecting pieces (3) are longitudinally distributed in the groove part (402), and the number, the width and the distribution distance of the metal connecting pieces (3) correspond to the number, the width and the distribution distance of metal contacts (6) at two ends of the first PCB (101), the second PCB (102) and the third PCB (103); the first PCB (101), the second PCB (102) and the third PCB (103) are stacked and arranged, and the two sides of the first PCB, the second PCB and the third PCB are connected and supported through a connecting piece (3); the right sides of the first PCB (101) and the second PCB (102) are electrically connected through a metal connecting piece (3); the left sides of the second PCB (102) and the third PCB (103) are electrically connected through a metal connecting piece (3).

2. A multi-layer PCB panel as claimed in claim 1, wherein: the installation vertical groove of the metal connecting piece (3) is preset in the groove part (402) of the supporting body (4), and the metal connecting piece (3) is installed according to the condition of the metal contact (6) of the PCB which is required to be connected.

3. A multi-layer PCB panel as claimed in claim 1, wherein: the groove parts (402) of the supporting body (4) are all fixedly provided with metal connecting pieces (3) except one end of the groove parts (402), and are installed after being adjusted in an up-and-down rotating mode according to the connection requirement of a PCB during use.

4. A multi-layer PCB board according to any of claims 1-3 wherein: the number of the groove parts (402) of the support body (4) is more than three.

5. A multi-layer PCB board according to any of claims 1-3 wherein: the metal contacts (6) at the two ends of the PCB are symmetrically arranged on the upper surface and the lower surface, and the symmetrical metal contacts (6) are electrically connected.

6. A multi-layer PCB board according to any of claims 1-3 wherein: the side edge of the trapezoidal protrusion (305) is a circular arc chamfer.

7. A multi-layer PCB board according to any of claims 1-3 wherein: the whole body of the multilayer PCB is reinforced by external auxiliary reinforcement by adopting a reinforcing component of the equipment cabinet.

8. A multi-layer PCB board according to any of claims 1-3 wherein: and cooling fans are also arranged on the side surfaces of the first PCB (101), the second PCB (102) and the third PCB (103).