CN209845444U - PCB convenient to installation - Google Patents

Abstract

The utility model discloses a PCB board convenient to installation, including the PCB board main part, the circular shape through-hole has been seted up in the PCB board main part, be provided with the cassette of cylinder in the through-hole, the bottom of cassette is provided with the plug, and the inside hollow structure that is of plug, and the lateral wall of plug is the bifurcation structure, the plug is inserted and is established the hole inslot on the fixed baseplate, and evenly distributed has the pawl on the outer wall of plug the dogtooth structure phase-match on the inner wall in pawl and fixed baseplate's hole groove, the inner wall of plug is connected with the one end of spring leaf, and the other end of spring leaf is connected with the lower extreme of short column, and the short column sets up in the cavity of cassette, the upper and lower both ends of. This PCB board convenient to installation adopts the fixed connection in advance of cassette and plug and PCB board main part for this PCB board accessible is inserted the mode that closes and is formed fixedly fast with the fixed baseplate when the installation, and the operation is more convenient, thereby makes the installation effectiveness higher.

Description

PCB convenient to installation

Technical Field

The utility model relates to a PCB board technical field specifically is a PCB board convenient to installation.

Background

Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.

The traditional PCB is provided with a through hole on the PCB, and then the PCB and the fixing equipment are connected by screws, so that the operation is troublesome and the installation efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB board convenient to installation to the PCB board that proposes in solving above-mentioned background art utilizes screwed connection to install the operation comparatively troublesome, and the low problem of installation effectiveness.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCB board convenient to installation, includes PCB board main part, the circular shape through-hole has been seted up in the PCB board main part, be provided with the cassette of cylinder in the through-hole, the bottom of cassette is provided with the plug, and the inside hollow structure that is of plug, and the lateral wall of plug is the bifurcation structure, the plug is inserted and is established the hole inslot on fixed baseplate, and evenly distributed has the pawl on the outer wall of plug the dogtooth structure phase-match on the inner wall in pawl and fixed baseplate's hole groove, the inner wall of plug is connected with the one end of spring leaf, and the other end of spring leaf is connected with the lower extreme of short column, and the short column sets up.

Preferably, the top of the short column is provided with a screw head, and the short column is in threaded connection with the clamping seat.

Preferably, the upper end and the lower end of the clamping seat are respectively provided with an outward flange, and the outward flanges are connected with the outer walls of the two sides of the PCB main body in a fitting manner.

Preferably, the number of the spring pieces is four, and the spring pieces are symmetrically distributed around the short column.

Preferably, the plug and the card holder are of an integral structure.

Compared with the prior art, the beneficial effects of the utility model are that: this PCB board convenient to installation adopts the fixed connection in advance of cassette and plug and PCB board main part for this PCB board accessible is inserted the mode that closes and is formed fixedly fast with the fixed baseplate when the installation, and the operation is more convenient, thereby makes the installation effectiveness higher.

Drawings

Fig. 1 is a side view of a PCB board for easy installation according to the present invention;

fig. 2 is an enlarged schematic structural view of a PCB board of the present invention at a position a in fig. 1, which is convenient for installation;

fig. 3 is a top view of a PCB short column, a spring leaf and a plug of the present invention, which are easy to install;

fig. 4 is a front view of the PCB board plug convenient for installation.

In the figure: 1. fixed baseplate, 2, PCB board main part, 3, short column, 4, spiral shell head, 5, cassette, 6, spring leaf, 7, plug.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a PCB convenient to install comprises a PCB main body 2, wherein a circular through hole is formed in the PCB main body 2, a cylindrical clamping seat 5 is arranged in the through hole, outer flanges are respectively arranged at the upper end and the lower end of the clamping seat 5 and are connected with the outer walls of the two sides of the PCB main body 2 in an attaching mode, the clamping seat 5 can be stably clamped and fixed in the through hole of the PCB main body 2 in an attaching mode, the clamping connection between the two can be fixedly glued and more stable, a plug 7 is arranged at the bottom of the clamping seat 5, the plug 7 and the clamping seat 5 are of an integrated structure, the plug 7 and the clamping seat 5 can be integrally formed in an injection molding mode, the connection mode improves the firmness after the connection between the plug 7 and the clamping seat, the inner part of the plug 7 is of a hollow structure, the side wall of the plug 7 is of a branched structure, as shown in figures 3 and 4, the side wall of, the diameter of the plug 7 has certain elasticity, when the plug 7 is in a normal state, the gap between each branch of the plug 7 is smaller, the diameter is smaller, so that the plug can be inserted into the hole groove of the fixed base 1, when the spring leaf 6 in the cavity of the plug 7 extrudes the side wall of the plug 7 outwards, the gap between each branch of the plug 7 is increased, the diameter is increased, so that the inverted teeth on the outer wall of the plug 7 and the convex teeth on the inner wall of the hole groove of the fixed base 1 can be meshed and connected, the plug 7 is inserted into the hole groove on the fixed base 1, the inverted teeth and the convex teeth on the inner wall of the hole groove of the fixed base 1 are uniformly distributed on the outer wall of the plug 7 and are matched in structure, the structure enables the plug 7 and the fixed base 1 to form meshing connection, the firmness of the PCB after installation is improved, the inner wall of the plug 7 is connected with one end of the spring leaf 6, the other end of the, spring leaf 6 is swing joint with plug 7, and be the welding with short column 3, this structure makes spring leaf 6 can use short column 3 to carry out elastic support to the inner wall of plug 7 as the fulcrum, let the lateral wall of plug 7 can keep outside tension, spring leaf 6 be provided with four, and spring leaf 6 is about the symmetric distribution all around of short column 3, the inner wall atress of this structure plug 7 is more even, thereby it is more stable, short column 3 sets up in the cavity of cassette 5, the top of short column 3 is provided with spiral shell head 4, spiral shell head 4 is the welding with short column 3, set up impression cross on spiral shell head 4, this structure is more convenient for the operator to control spiral shell head 4 rotatory with the starter, and short column 3 is threaded connection with cassette 5.

The working principle is as follows: when the PCB convenient to mount is used, whether parts are damaged or not or the connection is not firm is checked, the PCB is used after the check is correct, the clamping seat 5 of the device is mounted in the through hole in the PCB main body 2 in advance, the plug 7 is arranged at the bottom of the clamping seat 5, inverted teeth outside the plug 7 are matched with the structure of convex teeth on the inner wall of the hole groove of the fixing base 1, the plug 7 can be directly inserted into the hole groove of the fixing base 1 through the structure, the mounting and fixing of the PCB main body 2 are formed through the meshing connection of the plug 7 and the hole groove on the fixing base 1, and the screwing screws do not need to be operated in sequence in the process, so that the mounting efficiency is improved more conveniently; the short column 3 and the spring leaf 6 are pre-installed in a cavity of the clamping seat 5, the short column 3 is in threaded connection with the clamping seat 5, when the PCB main body 2 needs to be detached, the screw head 4 is arranged on the short column 3, the screw head 4 can be rotated by a screwdriver to drive the short column 3 to rotate and gradually move out of the clamping seat 5, after the spring leaf 6 at the bottom of the short column 3 moves out of the cavity of the plug 7, the side wall of the plug 7 is of a branched structure, the side wall of the plug 7 loses elastic support of the spring leaf 6, contraction can occur, the diameter is reduced, inverted teeth on the outer wall of the plug 7 are separated from convex teeth on the inner wall of a hole groove in the fixed base 1, so that the plug 7 can be pulled out of the hole groove, the PCB main body 2 is detached from the fixed base 1, and the working principle of the.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a PCB board convenient to installation which characterized in that: including PCB board main part (2), the circular shape through-hole has been seted up on PCB board main part (2), be provided with cylindrical cassette (5) in the through-hole, the bottom of cassette (5) is provided with plug (7), and plug (7) are inside to be hollow structure, and the lateral wall of plug (7) is the bifurcation structure, plug (7) are inserted and are established in the hole inslot on fixed baseplate (1), and evenly distributed has the pawl on the outer wall of plug (7) the dogtooth structure phase-match on the inner wall of the hole groove of pawl and fixed baseplate (1), the inner wall of plug (7) is connected with the one end of spring leaf (6), and the other end of spring leaf (6) is connected with the lower extreme of short column (3), and short column (3) set up in the cavity of cassette (5).

2. A PCB board for easy mounting according to claim 1, wherein: the top of the short column (3) is provided with a screw head (4), and the short column (3) is in threaded connection with the clamping seat (5).

3. A PCB board for easy mounting according to claim 1, wherein: the upper end and the lower end of the clamping seat (5) are respectively provided with an outward flange, and the outward flanges are connected with the outer walls of the two sides of the PCB main body (2) in a fitting mode.

4. A PCB board for easy mounting according to claim 1, wherein: the number of the spring pieces (6) is four, and the spring pieces (6) are symmetrically distributed around the short columns (3).

5. A PCB board for easy mounting according to claim 1, wherein: the plug (7) and the clamping seat (5) are of an integrated structure.