CN210405977U

CN210405977U - Connecting structure of PCB (printed circuit board)

Info

Publication number: CN210405977U
Application number: CN201921491495.7U
Authority: CN
Inventors: 顾雪荣
Original assignee: Kunshan Qianhe Electronic Co ltd
Current assignee: Kunshan Qianhe Electronic Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-04-24
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a belong to PCB board connection technical field, specifically be a connection structure of PCB board, including connection base plate and PCB board, connection base plate is located the downside of PCB board, be provided with pre-buried spread groove and adjustment tank on the connection base plate, the adjustment tank is located the both sides of pre-buried spread groove, it has connecting screw to peg graft in the pre-buried spread groove, pre-buried on connection base plate through connecting screw, and the fastening is better, and restricts the PCB board on connecting screw through buffer spring, fastening nut to have certain buffering effect during the connection; the PCB is buffered by the support of the elastic support sheet at the lower side of the PCB, and the elastic support sheet can be inserted into the adjusting groove and has a certain adjusting space, so that the support and buffering effects can be realized from the lower side; through the setting of supporting ball, frictional force is less when the elastic support piece is adjusted.

Description

Connecting structure of PCB (printed circuit board)

Technical Field

The utility model relates to a technical field is connected to the PCB board, specifically is a connection structure of PCB board.

Background

The PCB is called a printed circuit board, also called a printed circuit board, and is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

The printed boards have evolved from single-layer to double-sided, multi-layer and flexible, and still remain the trend for each. Due to the continuous development towards high precision, high density and high reliability, the volume is continuously reduced, the cost is reduced, and the performance is improved, so that the printed board still keeps strong vitality in the development engineering of future electronic equipment.

The PCB board need be installed on other mounting panels usually when using, fixes the PCB board, and current PCB board is fixed on the mounting panel usually, and easy rigidity damages when receiving the impact like this, and the antidetonation effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure of PCB board to the PCB board that proposes in solving above-mentioned background art need install on other mounting panels usually when using, fixes the PCB board, and current PCB board is fixed on the mounting panel usually, and easy rigidity when receiving the impact damages like this, the relatively poor problem of antidetonation effect.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting structure of a PCB board comprises a connecting substrate and the PCB board, wherein the connecting substrate is positioned at the lower side of the PCB board, a pre-buried connecting groove and an adjusting groove are arranged on the connecting substrate, the adjusting groove is positioned at two sides of the pre-buried connecting groove, a connecting screw is inserted in the pre-buried connecting groove, an elastic supporting sheet is inserted in the adjusting groove, four connecting screws and four elastic supporting sheets are arranged, four inserting holes are formed in four corners of the PCB board, the four connecting screws and the four elastic supporting sheets are respectively and correspondingly arranged at four corners of the lower surface of the PCB board, the connecting screw penetrates through the inserting holes, a fastening nut is screwed at the upper end of the connecting screw, a buffer spring is supported between the fastening nut and the PCB board, the buffer spring is sleeved on the outer wall of the connecting screw of the supporting sheet, the elastic supporting sheet is supported on the lower surface of the PCB board, the position of the through hole corresponds to the position of the plug hole.

Preferably, a gasket is embedded in the plug hole and is a rubber gasket.

Preferably, the diameter of the through hole is the same as the diameter of the plug hole.

Preferably, support balls are embedded into two ends of the outer wall of the elastic support sheet and supported on the inner wall of the adjusting groove.

Preferably, the elastic supporting sheet is arc-surface-shaped, and the shape of the adjusting groove is matched with that of the elastic supporting sheet.

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

1) the PCB is pre-embedded on the connecting base plate through the connecting screw, the fastening performance is good, the PCB is limited on the connecting screw through the buffer spring and the fastening nut, and a certain buffer effect is achieved during connection;

2) the PCB is buffered by the support of the elastic support sheet at the lower side of the PCB, and the elastic support sheet can be inserted into the adjusting groove and has a certain adjusting space, so that the support and buffering effects can be realized from the lower side;

3) through the setting of supporting ball, frictional force is less when the elastic support piece is adjusted.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the pre-buried connecting groove and the adjusting groove of the present invention;

fig. 3 is a schematic structural view of the elastic support sheet of the present invention;

FIG. 4 is a schematic structural view of the connection screw of the present invention;

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

In the figure: the device comprises a connecting base plate 1, an embedded connecting groove 2, an adjusting groove 3, a connecting screw 4, an elastic supporting sheet 5, a PCB 6, a buffer spring 7, a fastening nut 8, a through hole 9, a supporting ball 10 and a washer 11.

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 creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only 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 therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: a connecting structure of a PCB comprises a connecting substrate 1 and a PCB 6, wherein the connecting substrate 1 is positioned at the lower side of the PCB 6, an embedded connecting groove 2 and an adjusting groove 3 are arranged on the connecting substrate 1, the adjusting groove 3 is positioned at two sides of the embedded connecting groove 2, a connecting screw 4 is inserted in the embedded connecting groove 2, an elastic support sheet 5 is inserted in the adjusting groove 3, four connecting screws 4 and four elastic support sheets 5 are arranged, four corners of the PCB 6 are provided with inserting holes, the four connecting screws 4 and the elastic support sheets 5 are respectively correspondingly arranged at four corners of the lower surface of the PCB 6, the connecting screws 4 penetrate through the inserting holes, the upper ends of the connecting screws 4 are screwed with fastening nuts 8, buffer springs 7 are supported between the fastening nuts 8 and the PCB 6, the buffer springs 7 are sleeved on the outer wall of the connecting screws 4, the elastic support sheets 5 are supported on the lower surface of the PCB 6, through holes 9 are arranged in the middle parts of, the position of the through hole 9 corresponds to the position of the plug hole;

the connecting screws 4 are embedded into the embedded connecting grooves 2, two ends of the elastic supporting sheet 5 are inserted into the two adjusting grooves 3, the connecting screws 4 penetrate through holes 9 in the elastic supporting sheet 5, the outer diameter of each connecting screw 4 is smaller than the inner diameter of each through hole 9, the inserting holes in four corners of the PCB 6 are correspondingly clamped on the four connecting screws 4, the buffer springs 7 are sleeved on the outer walls of the connecting screws 4, the buffer springs 7 are located on the upper sides of the PCB 6, the fastening nuts 8 are screwed to the upper ends of the connecting screws 4, and the buffer springs 7 are supported between the fastening nuts 8 and the PCB 6;

when the PCB 6 is impacted from the outside, the PCB 6 compresses the elastic support sheet 5, so that the end part of the elastic support sheet 5 is embedded into the adjusting groove 3, the PCB 6 is buffered through the elastic deformation of the elastic support sheet 5, the PCB 6 has the tendency of resetting, and when the PCB 6 rises, the PCB 6 is buffered by the buffer spring 7, so that the PCB 6 can be buffered from the upper side and the lower side;

the inserting holes are internally embedded with gaskets 11, the gaskets 11 are rubber gaskets, and the arrangement of the rubber gaskets enables the PCB 6 to have low noise when moving on the connecting screw 4.

The diameter of the through hole 9 is the same as the diameter of the plug hole.

Support ball 10 has all been embedded at the both ends of 5 outer walls of elastic support piece, and support ball 10 supports on the inner wall of adjustment tank 3, and when 3 inner walls of adjustment tank were removed at elastic support piece 5, support ball 10 played the effect of supporting and reducing friction for elastic support piece 5 removes comparatively steadily in adjustment tank 3.

The elastic support sheet 5 is arc-surface shaped, and the shape of the adjusting groove 3 is matched with the elastic support sheet 5.

The working principle is as follows: the connecting base plate 1 is used for installing the PCB 6 pairs, the connecting base plate 1 is fixed in advance, the connecting screws 4 are connected in the embedded connecting grooves 2 in advance (can be embedded in injection molding), two ends of the elastic supporting sheets 5 are correspondingly inserted in the adjusting grooves 3 on two sides of the embedded connecting grooves 2 respectively, the connecting screws 4 penetrate through the through holes 9 and extend to the upper side, inserting ports of the PCB 6 are sleeved on the corresponding connecting screws 4, the buffer springs 7 are sleeved on the connecting screws 4, the buffer springs 7 are located on the upper sides of the PCB 6, and the top ends of the connecting screws 4 are screwed with the fastening nuts 8;

when external shock PCB board 6, PCB board 6 can compress tightly elastic support piece 5, make the both ends correspondence of elastic support piece 5 stretch into adjustment tank 3 in, and make elastic support piece 5 be close to connection base plate 1, elastic support piece 5 adopts spring steel matter to make, elastic support piece 5's elastic deformation energy is better, it is to receive the effect of drawing outward when PCB board 6, PCB board 6 removes to fastening nut 8, make buffer spring 7 compression, buffer spring 7 has reverse movement's effort to PCB board 6, thereby the effect that has the buffering to PCB board 6.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connection structure of PCB board, includes connection base plate (1) and PCB board (6), connection base plate (1) is located the downside of PCB board (6), its characterized in that: the connecting substrate (1) is provided with an embedded connecting groove (2) and an adjusting groove (3), the adjusting groove (3) is positioned at two sides of the embedded connecting groove (2), a connecting screw (4) is inserted in the embedded connecting groove (2), an elastic supporting sheet (5) is inserted in the adjusting groove (3), four connecting screws (4) and four elastic supporting sheets (5) are arranged, four corners of the PCB (6) are provided with inserting holes, the four connecting screws (4) and the elastic supporting sheets (5) are respectively arranged at four corners of the lower surface of the PCB (6) correspondingly, the connecting screws (4) penetrate through the inserting holes, the upper end of each connecting screw (4) is screwed with a fastening nut (8), a buffer spring (7) is supported between the fastening nut (8) and the PCB (6), and the buffer spring (7) is sleeved on the outer wall of the connecting screw (4), the PCB is characterized in that the elastic supporting sheet (5) is supported on the lower surface of the PCB (6), a through hole (9) is formed in the middle of the elastic supporting sheet (5), and the position of the through hole (9) corresponds to the position of the plug hole.

2. The connecting structure of a PCB board according to claim 1, wherein: a gasket (11) is embedded in the plug hole, and the gasket (11) is a rubber gasket.

3. The connecting structure of a PCB board according to claim 1, wherein: the diameter of the through hole (9) is the same as that of the plug hole.

4. The connecting structure of a PCB board according to claim 1, wherein: support balls (10) are embedded into two ends of the outer wall of the elastic support sheet (5), and the support balls (10) are supported on the inner wall of the adjusting groove (3).

5. The connecting structure of a PCB board according to claim 1, wherein: the elastic supporting sheet (5) is arc-surface-shaped, and the shape of the adjusting groove (3) is matched with that of the elastic supporting sheet (5).