Convenient replaceable insertion type liquid level switch assembly

Abstract

The utility model provides a convenient and replaceable liquid level switch assembly, and aims to solve the problems that a liquid level switch assembly in the prior art needs to use wires to connect terminals to establish circuit connection, wired connection is relatively tedious, and production and assembly efficiency is reduced at the same time. The switch mainly comprises a circuit board, welding feet, wiring terminals, a switch mechanism and a magnetic steel assembly. According to the utility model, the circuit board is adopted, the internal integration of the circuit board is used for replacing the traditional wire assembly wiring, the tedious wiring among the switch body, the wiring terminal, the switch bracket and the wire is removed, and the wireless effect is realized; the wiring terminal, the circuit board and the switch are modularized integrated parts, and the switch frame is manufactured by a mold, so that only simple operation is needed during production and assembly, and the assembly complexity is greatly reduced; meanwhile, the switch frame is provided with the magnetic steel seat, the magnetic steel block is directly installed in the magnetic steel seat, secondary processing of fixed magnetic steel on the switch arm is not needed, secondary processing of an original switch is avoided, and stable performance of the original switch is effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level switch technical field especially, a kind of convenient replaceable plug liquid level switch assembly. BACKGROUND

[0002] In the production and manufacturing process of various float ball liquid level controllers, the switch, wiring terminal, switch support, wire and magnetic steel in the switch assembly are very important devices. The switch assembly of the traditional float ball liquid level controller connects the switch, switch support and wiring terminal through simple grafting and position arrangement, and then connects them through wires. Therefore, the use and assembly of wires are essential.

[0003] However, the current switch assembly has many steps for wire use, including cutting, color division, connecting the wire nose, and finally connecting the switch and wiring terminal. In the batch production process, consistency, reliability and efficiency cannot be guaranteed. INVENTION CONTENTS

[0004] To overcome the above-mentioned shortcomings of the prior art, the present application provides a convenient replaceable plug liquid level switch assembly. The circuit board is used to replace the traditional wire assembly connection with internal integration. The complicated wiring between the switch body, wiring terminal, switch support and wire is removed to achieve wireless connection. The wiring terminal, circuit board and switch are modular integrated parts. The switch frame is made of mold. Only simple operation is required during production and assembly, which greatly reduces the complexity of production and assembly.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A convenient replaceable plug liquid level switch assembly includes a circuit board. The front surface of the circuit board is provided with a switch mechanism, and the back surface is provided with a wiring terminal. The circuit board is integrated with multiple soldering pins for circuit connection. Multiple corresponding wiring terminals of the switch mechanism are connected to the soldering pins on the front surface of the circuit board by welding. The wiring terminal is connected to the soldering pins on the back surface of the circuit board by welding. The switch mechanism is also integrated with a magnetic steel assembly for controlling the on-off of the switch according to the liquid level.

[0007] Further, three soldering pins are provided on the circuit, including COM, middle NO and lower NC.

[0008] Further, the switch mechanism includes a switch body provided on the front surface of the circuit board and a switch frame. The switch frame is provided with a rotatable shaft. The shaft is integrated with a magnetic steel assembly. The switch body and the shaft are provided with a switch arm for triggering the switch body.

[0009] Further, the magnetic steel assembly comprises a magnetic steel seat fixed on the center of the rotating shaft and swinging with the rotating shaft, and two ends of the magnetic steel seat are respectively formed with accommodating cavities, and each accommodating cavity is provided with a magnetic steel block.

[0010] The utility model discloses the beneficial effects are as follows:

[0011] Compared with the prior art, the utility model discloses circuit board, is equipped with the soldering leg for and the electric connection of wiring terminal and switch body, replaces the original complicated assembly wiring connection mode through the internal integration of circuit board, removes the complicated wiring mode between switch body, wiring terminal, switch support, wire in traditional switch assembly, realizes wireless, when production assembly, wiring terminal is standard part, circuit board, switch is modular integrated part, and switch frame is made of abrasive tool, only needs simple assembly, and the complexity of production assembly is greatly reduced.

[0012] Meanwhile, the switch assembly provided by the utility model is provided with a magnetic steel seat on the switch frame, and a magnetic steel block is directly installed in the magnetic steel seat, so that the magnetic steel does not need to be fixed on the switch arm through secondary processing, the secondary processing on the original switch is avoided, and the stability of the performance of the original switch is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the circuit board in the utility model;

[0015] Figure 3 It is a schematic diagram of the application scene when the utility model is used.

[0016] Wherein: 1, circuit board;2, soldering leg;3, wiring terminal;4, switch body;5, switch frame;6, rotating shaft;7, switch arm;8, magnetic steel seat;9, magnetic steel block;10, float ball liquid level controller;11, float;12, container;13, switch mechanism. DETAILED DESCRIPTION

[0017] The specific implementation of the utility model will be described below in combination with the drawings.

[0018] The utility model provides a kind of convenient replaceable plug type liquid level switch assembly, to solve the liquid level switch assembly of prior art needs to use wire to connect each wiring terminal to establish circuit connection, wired connection is more complicated, and the problem of simultaneously production assembly efficiency reduction.

[0019] As Figure 1 And Figure 2As shown, the utility model discloses circuit board 1, the positive surface of circuit board 1 is provided with switch mechanism 13, its reverse surface is provided with wiring terminal 3, the welding leg 2 for circuit connection of integrated multiple on circuit board 1, the welding leg 2 of the positive surface of circuit board 1 is connected through welding to the multiple corresponding wiring terminal of switch mechanism 13, the welding leg 2 of the reverse surface of circuit board 1 is connected through welding to wiring terminal 3, the magnetic steel assembly for linkage liquid level height and control switch on-off is still integrated on switch mechanism 13.

[0020] In an embodiment of the utility model, three welding legs 2 are arranged on the circuit, including COM, middle NO and lower NC.

[0021] In an embodiment of the utility model, switch mechanism 13 includes switch body 4 and switch frame 5 arranged on the positive surface of circuit board 1, rotatable pivot 6 is arranged on switch frame 5, magnetic steel assembly is integrated on pivot 6, switch arm 7 for triggering switch body 4 is arranged between switch body 4 and pivot 6.

[0022] In an embodiment of the utility model, magnetic steel assembly includes magnetic steel seat 8, magnetic steel seat 8 is sleeved and fixed in the center of pivot 6 and swings along with pivot 6, accommodating cavities are formed in the two ends of magnetic steel seat 8 respectively, and magnetic steel block 9 is installed in each accommodating cavity.

[0023] The specific structure and working principle of the utility model:

[0024] Specific structure: the convenient replaceable liquid level switch assembly provided by the utility model includes wiring terminal 3, circuit board 1, switch frame 5, switch body 4, magnetic steel block 9, magnetic steel seat 8, pivot 6 and switch arm 7; when producing and assembling, three wiring terminals on switch body 4 are directly inserted into the welding of COM, middle NO and lower NC three welding legs 2 on the positive surface of circuit board 1, and wiring terminal 3 is welded at the left COM, middle NO and right NC of the reverse surface of circuit board 1, so as to realize the simplification of wire prefabrication, welding, assembly and other responsible processes of switch assembly during assembly.

[0025] Working principle: as Figure 3 As shown, container 12 and float ball liquid level controller 10 constitute the whole sampling unit.

[0026] When the medium in container 12 rises or falls, float 11 of float ball liquid level controller 10 floats up and down along with the rising or falling of the medium, the magnet on the other end of float 11 repels the magnet on switch frame 5 on switch assembly, so that magnetic steel seat 8 on switch assembly rotates, drives switch contact to act, thereby achieving the purpose of controlling the position of the medium in container 12.

[0027] In the working state, the float 11 rises or falls with the liquid level, the end magnet of the float 11 repels the magnetic steel block 9 on the switch assembly, the magnetic steel seat 8 is provided with upper and lower magnetic steel blocks 9, at this time the magnetic steel seat 8 rotates up and down on the rotating shaft 6, when interacting with the lower magnetic steel block 9, the magnetic steel seat 8 rotates clockwise to press the switch arm 7 to make the switch body 4 closed, when interacting with the upper magnetic steel block 9, the magnetic steel seat 8 rotates counterclockwise to release the switch arm 7 to make the switch body 4 disconnected, so as to achieve the purpose of closing and disconnecting the switch.

[0028] The above description is an explanation of the utility model, not a limitation of the utility model, the range defined by the utility model is seen from the claims, within the protection scope of the utility model, any form of modification can be made.

Claims

1. A convenient replaceable plug type liquid level switch assembly, characterized by: The utility model relates to a switch mechanism, including circuit board (1), the front of circuit board (1) is provided with switch mechanism (13), and the reverse is provided with wiring terminal (3), a plurality of for circuit connection's pin (2) are integrated on circuit board (1), a plurality of corresponding wiring terminal of switch mechanism (13) are connected through welding in the pin (2) of circuit board (1) front, and the pin (2) of wiring terminal (3) is connected through welding in the reverse of circuit board (1), and the magnet steel assembly for linkage liquid level height and control switch on-off is still integrated on switch mechanism (13).

2. A quick change insert type liquid level switch assembly as claimed in claim 1, wherein: Three pins (2) are arranged on the circuit, including COM, middle NO and lower NC.

3. A quick change insert type liquid level switch assembly as claimed in claim 1, wherein: The switch mechanism (13) includes a switch body (4) and a switch frame (5) arranged on the front of the circuit board (1), the switch frame (5) is provided with a rotatable rotating shaft (6), the rotating shaft (6) is integrated with a magnet steel assembly, and a switch arm (7) for triggering the switch body (4) is arranged between the switch body (4) and the rotating shaft (6).

4. A quick change insert type liquid level switch assembly as claimed in claim 3, wherein: The magnet steel assembly includes a magnet steel seat (8), the magnet steel seat (8) is fixedly sleeved on the center of the rotating shaft (6) and swings with the rotating shaft (6), and two ends of the magnet steel seat (8) are respectively formed with accommodating cavities, and a magnet steel block (9) is installed in each accommodating cavity.

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