CN213462599U

CN213462599U - Circuit board for entrance guard alarm

Info

Publication number: CN213462599U
Application number: CN202022481493.9U
Authority: CN
Inventors: 丁明
Original assignee: Shenzhen Zhaohong Electronic Co Ltd
Current assignee: Shenzhen Zhaohong Electronic Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-15
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a circuit board for entrance guard's warning relates to circuit board installation technical field. The device includes the circuit board, the bottom of circuit board and the top fixed connection of push rod, the bottom of push rod and the right side swing joint who supports the piece, transmission seat and lower transmission seat swing joint can reach on the device, when the circuit board is installed into entrance guard's warning box, when the gear carries out clockwise rotation, the gear is connected through pivot and last transmission seat transmission, the bottom of going up the transmission seat is provided with the ratchet, the top of lower transmission seat is provided with the ratchet, when the gear carries out clockwise rotation, it can drive down the transmission seat through the ratchet and carry out clockwise rotation to go up the transmission seat, thereby lower transmission seat is through with threaded rod fixed connection, consequently, can drive the threaded rod and carry out clockwise rotation, so only need with entrance guard's warning box aim at the screw hole that needs on the fixed position can be fixed with its device, so just reached the effect of easy to assemble.

Description

Circuit board for entrance guard alarm

Technical Field

The utility model relates to a circuit board installation technical field specifically is a circuit board for entrance guard's alarm.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, and the birth and development of the FPC and the PCB promote a new product of a soft-hard combined board. Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.

When the circuit board of most entrance guard alarm devices in the market is installed, the circuit board needs to be manually screwed or fixed in the device by glue, so that the installation process is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an entrance guard is circuit board for alarm has solved the complicated problem of entrance guard alarm device circuit board installation.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a circuit board for entrance guard alarm comprises a circuit board, wherein the bottom of the circuit board is fixedly connected with the top of a push rod, the bottom of the push rod is movably connected with the right side of a supporting block, the right side of the supporting block is fixedly connected with the right side of a first spring, the first spring is fixedly connected with an entrance guard alarm box through a baffle, the top of the supporting block is fixedly connected with the bottom of a first hydraulic rod, the left side of the first hydraulic rod is fixedly connected with the right side of a first hydraulic piston, the first hydraulic piston is connected with a hydraulic bin piston, the hydraulic bin is connected with a second hydraulic piston, the right side of the second hydraulic piston is fixedly connected with the left side of a second hydraulic rod, the number of the supporting blocks is four, two supporting blocks on the left side are symmetrically arranged by taking a gear as a symmetry axis, the top of the supporting block is fixedly connected with the bottom of a rack, the bottom of the supporting block is connected with the inner wall of the bottom of the entrance guard alarm box in a sliding manner, the gear passes through bearing and the top fixed connection of last transmission seat, the bottom of going up the transmission seat and the top swing joint of lower transmission seat, the bottom fixedly connected with threaded rod of lower transmission seat.

Preferably, the bearing is fixedly connected with the second spring.

Preferably, the number of the racks is two.

Preferably, the number of the push rods is two.

Preferably, the bottom of the upper transmission seat is provided with a ratchet.

Preferably, the top of the lower transmission seat is provided with a ratchet.

(III) advantageous effects

The utility model provides a circuit board for entrance guard's alarm. The method has the following beneficial effects:

(1) the device is gone up transmission seat and lower transmission seat swing joint and can be reached, when the circuit board installation advances in entrance guard's warning box, when the gear carries out clockwise rotation, the gear is connected with last transmission seat transmission through the pivot, the bottom of going up the transmission seat is provided with the ratchet, the top of lower transmission seat is provided with the ratchet, when the gear carries out clockwise rotation, it can drive down the transmission seat through the ratchet and carry out clockwise rotation to go up the transmission seat, thereby lower transmission seat through with threaded rod fixed connection, consequently, can drive the threaded rod and carry out clockwise rotation, so only need with the screw hole that the warning box was aimed at on the needs fixed position can be fixed its device, so just reached easy to assemble's effect.

(2) The device can reach through hydraulic structure, when the installation of circuit board, the push rod supports and supports to the piece, make to support the piece and remove to both sides, the top of supporting the piece is fixed with a hydraulic stem, a hydraulic stem and a hydraulic piston fixed connection, a hydraulic piston and the sealed piston connection in hydraulic pressure storehouse, consequently, can make No. two hydraulic pistons move to the right, when the fixed push rod in circuit board bottom and entrance guard alarm box bottom inner wall post, the right side of No. two hydraulic stems can laminate with the recess that sets up on the push rod, thereby the effect of fixed circuit board has been reached.

Drawings

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

FIG. 2 is a schematic view of the structure of the rack and gear position relationship of the present invention;

fig. 3 is an enlarged schematic view of a part a of the structure of the present invention.

In the figure: the door control alarm device comprises a circuit board 1, a door control alarm box 2, a hydraulic cabin 3, a spring 4, a resisting block 5, a push rod 6, a hydraulic piston 7 II, a hydraulic piston 8I, a hydraulic rod 9 II, a hydraulic rod 10I, a rack 11, a spring 12 II, a gear 13, a bearing 14, an upper transmission seat 15, a lower transmission seat 16 and a threaded rod 17.

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. 1-3, the present invention provides a technical solution: a circuit board for entrance guard alarm comprises a circuit board 1, wherein the bottom of the circuit board 1 is fixedly connected with the top of a push rod 6, the bottom of the push rod 6 is movably connected with the right side of a resisting block 5, the number of the push rods 6 is two, the right side of the resisting block 5 is fixedly connected with the right side of a first spring 4, the first spring 4 is fixedly connected with an entrance guard alarm box 2 through a baffle plate, the top of the resisting block 5 is fixedly connected with the bottom of a first hydraulic rod 10, the left side of the first hydraulic rod 10 is fixedly connected with the right side of a first hydraulic piston 8, the first hydraulic piston 8 is piston connected with a hydraulic chamber 3, the hydraulic chamber 3 is piston connected with a second hydraulic piston 7, the right side of the second hydraulic piston 7 is fixedly connected with the left side of a second hydraulic rod 9, the number of the resisting blocks 5 is four, two resisting blocks 5 on the left side are symmetrically arranged by taking a gear 13 as a symmetry axis, the top of the resisting block 5 is fixedly connected, support the bottom of piece 5 and the bottom inner wall sliding connection of banning alarm box 2, the quantity of rack 11 is two, rack 11 and gear 13 meshing, gear 13 passes through bearing 14 and the top fixed connection of last transmission seat 15, the bottom of going up transmission seat 15 is provided with the ratchet, bearing 14 and No. two spring 12 fixed connection, the bottom of going up transmission seat 15 and the top swing joint of lower transmission seat 16, the top of lower transmission seat 16 is provided with the ratchet, the bottom fixedly connected with threaded rod 17 of lower transmission seat 16.

When a worker installs the circuit board 1 into the entrance guard alarm box, the threaded rod 17 is aligned with a threaded hole at a position to be fixed, the circuit board 1 is pressed downwards after alignment, the bottom of the circuit board 1 is fixedly connected with the push rod 6, when the circuit board 1 is pressed downwards, the push rod 6 can abut against the abutting blocks 5 at two sides, due to the inclined design of the abutting blocks 5, when the push rod 6 is contacted with the abutting blocks 5, the two abutting blocks 5 can be simultaneously separated towards the left and the right, the top of the abutting block 5 at the left side is fixedly connected with the first hydraulic rod 10, the left side of the first hydraulic rod 10 is fixedly connected with the first hydraulic piston 8, the first hydraulic piston 8 is connected with the hydraulic cabin 3 piston, the right side of the second hydraulic piston 7 is fixedly connected with the second hydraulic rod 9, the second hydraulic rod 9 can move towards the right, when the push rod 6 is completely abutted against the inner wall of the bottom of the entrance guard alarm box 2 after moving downwards, the second hydraulic rod 9 can fix the circuit board 1 through the groove, thus, the effect of installing and fixing the circuit board 1 is achieved, and meanwhile, when the right supporting block 5 moves rightwards, the surface of the right supporting block 5 is fixedly connected with a rack 11, the rack 11 is meshed with a gear 13, so that when the right supporting block 5 moves rightwards, the gear 13 is driven to rotate clockwise, the gear 13 is fixedly connected with an upper transmission seat 15 through a bearing 14, when the gear 13 rotates clockwise, the upper transmission seat 5 is driven to rotate clockwise, the bottom of the upper transmission seat 15 is provided with a ratchet, the ratchet arranged at the bottom of the upper transmission seat 15 is movably connected with the ratchet arranged at the top of a lower transmission seat 16, so that when the upper transmission seat 15 rotates clockwise, the lower transmission seat 16 is driven to drive a threaded rod 17 fixedly connected with the lower transmission seat to rotate, and the effect that the threaded rod 17 can fix the entrance guard alarm box 2 simultaneously when the circuit board 1 is installed is achieved, because the special design of last transmission seat 15 and lower transmission seat 16, carry out anticlockwise rotation when gear 13, just also when circuit board 1 takes out, the ratchet of going up transmission seat 15 bottom can anticlockwise rotation, can take place to go up transmission seat 15 and shake, can not drive transmission seat 16 down and rotate, can not cause threaded rod 17 to rotate yet and lead to entrance guard alarm box 2 whole droing.

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 circuit board for entrance guard's alarm, includes circuit board (1), its characterized in that: the bottom of the circuit board (1) is fixedly connected with the top of a push rod (6), the bottom of the push rod (6) is movably connected with the right side of a supporting block (5), the right side of the supporting block (5) is fixedly connected with the right side of a first spring (4), the first spring (4) is fixedly connected with an entrance guard alarm box (2) through a baffle plate, the top of the supporting block (5) is fixedly connected with the bottom of a first hydraulic rod (10), the left side of the first hydraulic rod (10) is fixedly connected with the right side of a first hydraulic piston (8), the first hydraulic piston (8) is connected with a hydraulic bin (3) through a piston, the hydraulic bin (3) is connected with a second hydraulic piston (7) through a piston, the right side of the second hydraulic piston (7) is fixedly connected with the left side of a second hydraulic rod (9), the number of the supporting blocks (5) is four, and the two supporting blocks (5) on the left side are symmetrically arranged by taking a gear (13) as a symmetry axis, the top of the abutting block (5) is fixedly connected with the bottom of the rack (11), the bottom of the abutting block (5) is connected with the inner wall of the bottom of the entrance guard alarm box (2) in a sliding mode, the rack (11) is meshed with the gear (13), the gear (13) is fixedly connected with the top of the upper transmission seat (15) through the bearing (14), the bottom of the upper transmission seat (15) is movably connected with the top of the lower transmission seat (16), and the bottom of the lower transmission seat (16) is fixedly connected with the threaded rod (17).

2. The circuit board for entrance guard alarms according to claim 1, characterized in that: the bearing (14) is fixedly connected with the second spring (12).

3. The circuit board for entrance guard alarms according to claim 1, characterized in that: the number of the racks (11) is two.

4. The circuit board for entrance guard alarms according to claim 1, characterized in that: the number of the push rods (6) is two.

5. The circuit board for entrance guard alarms according to claim 1, characterized in that: the bottom of the upper transmission seat (15) is provided with a ratchet.

6. The circuit board for entrance guard alarms according to claim 1, characterized in that: the top of the lower transmission seat (16) is provided with a ratchet.