Alarm PCB circuit board connection structure

Abstract

The utility model discloses an alarm PCB circuit board connection structure, which comprises a shell and an installation column, the shell is fixedly connected with the installation column, the top of the installation column is fixedly connected with a convex column, and the outer surface wall of the installation column is detachably connected with a vertical frame. In the application, the distance between the multiple groups of convex columns is set to be matched with the mounting holes in the PCB of the alarm, after the PCB is combined with the multiple groups of convex columns at the same time, the PCB is in lap joint with the tops of the mounting columns, then the pressing plate is vertically moved, and the sliding sleeve synchronously slides along the outer surface wall of the vertical frame until the pressing plate is in lap joint with the top of the PCB; according to the PCB connecting structure of the alarm, the positioning rod is rotated to enable the open end of the positioning rod to abut against the outer surface wall of the vertical frame, the position of the pressing plate is fixed, and then the PCB is fixed, so that the PCB is prevented from being damaged due to contact friction while the stability of mounting and fixing of the PCB is guaranteed, and the use stability of the PCB connecting structure of the alarm is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board installation technical field especially relates to a kind of alarm PCB circuit board connecting structure. BACKGROUND

[0002] Alarm PCB circuit board connecting structure is used to realize the fixation of PCB and alarm housing inside.

[0003] Chinese patent publication number CN208722361U, publication time is 20190409, discloses a kind of acousto-optic alarm, it is characterized in that, including outer transparent lamp shade, upper cover, buzzer, flash lamp, reflector, PCB board, bottom cover, screw, base;Wherein flash lamp is connected with reflector and is fixed on PCB board with screw;Upper cover and bottom cover are connected with screw and install buzzer and assembled PCB board in the corresponding position between them;Transparent lamp shade is placed in the recessed position of upper cover surface;Bottom cover is connected with base accordingly.

[0004] Such as the existing alarm PCB circuit board connecting mode above is mostly to pass through the mounting hole on PCB with fastening rod, in with the screw hole on corresponding mounting column is screwed, in specific implementation process, along with the screwing of fastening rod, the head of fastening rod is prone to contact friction with PCB top, fastening rod is prone to cause the damage of PCB external insulating layer, so there is an urgent need to propose corresponding alarm PCB circuit board connecting structure to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at: in order to solve above problem, and propose a kind of alarm PCB circuit board connecting structure.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of alarm PCB circuit board connecting structure, including shell and mounting column, the shell is fixedly connected with mounting column, and the top of mounting column is fixedly connected with convex column, the outer wall of mounting column is detachably connected with vertical frame, the vertical frame is integrated with pressing plate and the fixed component for the vertical position fixation of pressing plate on outside, and the bottom of pressing plate is equipped with rubber pad.

[0008] Preferably, the top of the pressing plate is fixedly connected with a connecting frame, and the side away from the pressing plate of the connecting frame is fixedly connected with a heat sink.

[0009] Preferably, the bottom of the vertical end of the connecting frame is fixedly connected with a bottom sheet, and the top of the pressing plate is fixedly connected with the bottom sheet through a locking rod.

[0010] Preferably, the bottom of the vertical frame is fixedly connected with a clamping sheet, and the outer wall of the mounting column is fixedly connected with the clamping sheet through a fixing rod.

[0011] Preferably, the fixing assembly comprises a sliding sleeve fixedly connected with the outer wall of the pressing plate, the sliding sleeve is sleeved on the outer wall of the vertical end of the vertical frame, the outer wall of the sliding sleeve is screw-connected with a positioning rod, and the open end of the positioning rod abuts against the outer wall of the vertical frame.

[0012] Preferably, the top of the vertical frame is fixedly connected with a limiting sheet.

[0013] In conclusion, due to the adoption of the above technical scheme, the alarm PCB line connection structure has the following advantages:

[0014] 1. In the application, the distance between the plurality of convex columns is set according to the mounting hole on the PCB of the alarm, the PCB is combined with the plurality of convex columns, the PCB is lapped on the top of the mounting column, then the pressing plate is vertically moved, the sliding sleeve is synchronously slid along the outer wall of the vertical frame, until the pressing plate is lapped on the top of the PCB, the open end of the positioning rod is abutted against the outer wall of the vertical frame by rotating the positioning rod, the position of the pressing plate is fixed, and the PCB is fixed, so that the stability of the PCB installation is ensured, the PCB is prevented from being damaged due to contact friction, and the stability of the alarm PCB line connection structure is improved.

[0015] 2. In the application, on the basis of the fixing of the PCB by the pressing plate, the connecting frame and the pressing plate can be fixed by the cooperation of the bottom sheet and the locking rod, at this time, the heat dissipation fins abut against the outer side of the chip on the PCB of the alarm, so that the heat dissipation effect of the chip is ensured, the heat dissipation fins can be conveniently disassembled, and the convenience of the alarm PCB line connection structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 An overall structure schematic view is shown according to an embodiment of the application;

[0017] Figure 2 A connecting frame structure schematic view is shown according to an embodiment of the application;

[0018] Figure 3 An installation column structure schematic view is shown according to an embodiment of the application;

[0019] Figure 4 A pressing plate structure schematic view is shown according to an embodiment of the application.

[0020] LEGEND:

[0021] 1, housing; 2, mounting column; 3, lapping sheet; 4, pressing plate; 5, connecting frame; 6, heat dissipation fin; 7, locking rod; 8, bottom sheet; 9, convex column; 10, vertical frame; 11, sliding sleeve; 12, positioning rod; 13, fixing rod. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 The present application provides a technical scheme:

[0024] The alarm PCB line connection structure comprises a shell 1 and a mounting column 2, the shell 1 and the mounting column 2 are fixedly connected, the top of the mounting column 2 is fixedly connected with a convex column 9, the outer wall of the mounting column 2 is detachably connected with a vertical frame 10, the outer side of the vertical frame 10 is integrated with a pressing plate 4 and a fixing assembly for fixing the vertical position of the pressing plate 4, and the bottom of the pressing plate 4 is provided with a rubber pad.

[0025] The distance between the plurality of convex columns 2 is set according to the mounting hole 2 on the PCB of the alarm, and after the PCB is combined with the plurality of convex columns 9, the PCB is lapped on the top of the mounting column 2, then the pressing plate 4 is vertically moved, the sliding sleeve 11 is synchronously slid along the outer wall of the vertical frame 10, until the pressing plate 4 is lapped on the top of the PCB, and the open end of the positioning rod 12 is abutted against the outer wall of the vertical frame 10 by rotating the positioning rod 12, so that the position of the pressing plate 4 is fixed, and the fixation of the PCB is realized, thereby ensuring the stability of the fixation of the PCB, avoiding damage of the PCB due to contact friction, and improving the stability of the use of the alarm PCB line connection structure.

[0026] Specifically, as shown in Figure 2 and Figure 4 The top of the pressing plate 4 is fixedly connected with a connecting frame 5, the side away from the pressing plate 4 of the connecting frame 5 is fixedly connected with a heat sink 6, the vertical end of the connecting frame 5 is fixedly connected with a bottom sheet 8, and the bottom sheet 8 is fixedly connected with the top of the pressing plate 4 through a locking rod 7, so that the connecting frame 5 and the pressing plate 4 can be fixed through the cooperation of the bottom sheet 8 and the locking rod 7 on the basis of the fixation of the PCB by the pressing plate 4, at this time the heat sink 6 will abut against the outside of the chip on the PCB of the alarm, thereby ensuring the heat dissipation effect of the chip, and the heat sink 6 can be conveniently disassembled, thereby improving the convenience of the use of the alarm PCB line connection structure.

[0027] Specifically, as shown in Figure 2 and Figure 3As shown, the vertical frame 10 bottom fixedly connected with the piece 3, the piece 3 through the fixed rod 13 and the installation column 2 outer wall fixedly connected, so as to ensure the vertical frame 10 dismounting convenience, fixed assembly includes with the pressing plate 4 outer wall fixedly connected slide sleeve 11, slide sleeve 11 sleeve in the vertical frame 10 vertical end outer wall, slide sleeve 11 outer wall screw connection has the positioning rod 12, and the positioning rod 12 open end abuts in the vertical frame 10 outer wall, vertical movement pressing plate 4, slide sleeve 11 synchronous along the vertical frame 10 outer wall sliding, until the pressing plate 4 overlap in the top of PCB board, in rotating positioning rod 12 makes it open end abuts in the vertical frame 10 outer wall, realize the position fixed of pressing plate 4, vertical frame 10 top fixedly connected with the limiting piece, so as to avoid slide sleeve 11 completely separate from the vertical frame 10.

[0028] Working principle: the distance between the plurality of convex column 2 is to cater to the mounting hole 2 on the PCB of alarm, after combining the plurality of convex column 9, the PCB overlaps in the top of installation column 2, then vertical movement pressing plate 4, slide sleeve 11 synchronous along the vertical frame 10 outer wall sliding, until the pressing plate 4 overlap in the top of PCB board, in rotating positioning rod 12 makes it open end abuts in the vertical frame 10 outer wall, realize the position fixed of pressing plate 4, then realize the fixation of PCB board, so as to ensure the stable of PCB board installation fixed, avoid the PCB board breakage due to contact friction, thereby improve the stability of alarm PCB line board connecting structure use, can be fixed on the basis of the realization of PCB board fixation through the cooperation of the bottom piece 8 and locking rod 7, the connecting frame 5 and pressing plate 4, at this time the fin 6 will abut in the chip outside on the PCB of alarm, so as to ensure the heat dissipation effect of chip, the fin 6 can be conveniently disassembled, thereby improve the convenience of alarm PCB line board connecting structure use.

[0029] The above description of the embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit or scope of the present application. Thus, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An alarm PCB circuit board connecting structure comprising a housing (1) and a mounting post (2), characterized in that, The shell (1) is fixedly connected with a mounting column (2), a convex column (9) is fixedly connected to the top of the mounting column (2), a vertical support (10) is detachably connected to the outer wall of the mounting column (2), a pressing plate (4) and a fixing assembly for fixing the vertical position of the pressing plate (4) are integrated on the outer side of the vertical support (10), and a rubber pad is mounted on the bottom of the pressing plate (4).

2. The alarm PCB circuit board connecting structure according to claim 1, characterized in that, The top of the pressing plate (4) is fixedly connected with a connecting frame (5), and the side away from the pressing plate (4) of the connecting frame (5) is fixedly connected with a heat sink (6).

3. The alarm PCB circuit board connecting structure according to claim 2, characterized in that, The vertical end of the connecting frame (5) is fixedly connected with a bottom sheet (8), and the top of the pressing plate (4) is fixedly connected with the bottom sheet (8) through a locking rod (7).

4. The alarm PCB circuit board connecting structure according to claim 3, characterized in that, The bottom of the vertical support (10) is fixedly connected with a clamping sheet (3), and the outer wall of the mounting column (2) is fixedly connected with the clamping sheet (3) through a fixing rod (13).

5. The alarm PCB circuit board connecting structure according to claim 4, characterized in that, The fixing assembly comprises a sliding sleeve (11) fixedly connected with the outer wall of the pressing plate (4), the sliding sleeve (11) is sleeved on the vertical end of the vertical support (10), the outer wall of the sliding sleeve (11) is screw-connected with a positioning rod (12), and the open end of the positioning rod (12) abuts against the outer wall of the vertical support (10).

6. The alarm PCB circuit board connecting structure according to claim 5, characterized in that, The top of the vertical support (10) is fixedly connected with a limiting sheet.

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