CN2136910Y

CN2136910Y - Electric clutch opening and closing gas valve plug apparatus

Info

Publication number: CN2136910Y
Application number: CN 92221242
Authority: CN
Inventors: 范李完妹
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-08-28
Filing date: 1992-08-28
Publication date: 1993-06-23
Anticipated expiration: 2002-08-28

Abstract

The utility model relates to an electric clutch opening and closing gas valve plug apparatus, which is arranged in the main body of a gas switch to control the opening and closing of a gas valve plug. The utility model is composed of a miniature motor which is connected with a deceleration gear group and then connected with a set of transmission components, an electromagnet core type clutch which is arranged in a casing and a cutting switch of the motor. The motor rotates, and the transmission component rises and descends, which makes the whole group of the electromagnet core type clutch rise; thus the gas valve plug is opened; then the cutting switch of the motor acts to make the motor stop rotating and consume no power; the upper core and the lower core of the electromagnet core type clutch are attracted with each other to maintain the opening of the gas valve plug; when the upper core and the lower core of the electromagnet core type clutch are separated, the gas valve plug is closed because of the resetting force of the spring.

Description

Electric clutch opening and closing gas valve plug apparatus

The utility model relates to a kind of gas valve plug, a kind of in particular device that opens and closes at gas switch body inner control gas valve plug.

Gas appliance applications dryelement cell is a power supply at present, day by day popularize, because be DC low-voltage, and the danger of unexpected electric shock.But because low voltage (1.5V), low current adopts a kind of gas pressure difference valve to cooperate a small-sized vacuum solenoid valve to control the switching motion of gas valve plug (the main fire valve plug that leads to main burner as control gas) mostly, reaches the full automatic working function.The start-stop device of this gas valve plug commonly used is the valve plug switch motion of mat vacuum solenoid valve, makes the pressure balance or the imbalance of pressure difference valve interior diaphragm both sides air chamber, to open and close main fiery gas valve plug.Its shortcoming is that the keying of valve plug must be subjected to the restriction of gas pressure, and gas pressure also the pressurized difference limen influence and output is reduced; Vacuum solenoid valve is a fragile assembly, and parts often are exposed among the gas for a long time, easily gives birth to fault, and maintenance is difficult for, and needs to connect a balance gas catheter and a pilot line that loses heart (do female fire ignite usefulness) more, during assembly fee and uneconomical.

The purpose of this utility model is a kind of novel gas valve plug device of design, thereby a kind of restriction that is not subjected to gas pressure is provided, and can directly open the gas valve plug, and have easy assembling, the characteristics that are difficult for breaking down.

The technical solution of the utility model is as follows: gas valve plug device, comprise miniature motor, train of reduction gears, casing, transmitting assemblies, electromagnet core type clutch pack, and cut-out switch, wherein, motor system is fixed on the extending seat of casing, and connects train of reduction gears, one of casing end system is fixed with the gas switch body engagement, especially, the end of exerting oneself of train of reduction gears links the swingle of transmitting assemblies, and this swingle stretches in the casing and with the interlock of lifting bar section and intersects, the top of this lifting bar then is subjected to a spring pressure holding, lower end then jail connects the upper iron core of electromagnet core type clutch pack, so that swingle is when making Periodic Rotating, upper iron core is then made displacement action up and down reciprocatingly; This electromagnet core type clutch is made up of upper and lower iron core and field coil, and following iron core is because of being connected to a valve cock stem, and this valve cock stem lower end is stretched in the gas switch body, and its lower end head then fit is fixed a rubber valve plug, and mat pressure spring closing valve; This cut-out switch then is located at the side of electromagnet core type clutch pack, is fixed in casing inner wall, and its shake-up shell fragment is then opened up and stretched in down lower end unshakable in one's determination by pressure holding, and mat electromagnet core type clutch pack is made whole group when top offset, promptly cuts off motor power.

Provide embodiment of the present utility model below in conjunction with accompanying drawing, and be described in further detail

Fig. 1 is the combination generalized section of the utility model gas valve plug.

Fig. 2 is the action schematic representation of the utility model gas valve plug.

Fig. 3 is the valve opening schematic representation of the utility model gas valve plug.

Consult Fig. 1, the utility model is mainly by a miniature motor 10, train of reduction gears 33, and transmitting assemblies 20, casing 15, electromagnet core type clutch pack 12 and motor off switch 38 are formed.Motor 10 is to be fixed on the extending seat 36 of casing 15, and the axle center of this motor 10 connects an end of a train of reduction gears 33, and these train of reduction gears 33 another ends of exerting oneself connect the swingle 2 of transmitting assemblies 20.This transmitting assemblies 20 mainly is made up of a swingle 2 public lifting bars 8, these swingle 2 public lifting bars 8 intersections are respectively cutd open and are established a kerf interlock, when swingle 2 is done the period of rotation motion, 8 of lifting bars are done action up and down reciprocatingly thereupon, these lifting bar 8 tops are subjected to spring 35 pressure holdings, and iron core 13 connects in the jail mutually on the electromagnet core type clutch pack 12 of territory, lower end.This electromagnet core type clutch pack 12 is by upper iron core 13; field coil 6 territories 27 compositions down unshakable in one's determination; upper iron core 13 territories are iron core 27 down; respectively establish cover 14 and bind protection mutually; this time 27 jails unshakable in one's determination connect a valve cock stem 17; these valve cock stem 17 lower ends are then stretched in the gas switch body 30, and its lower end head then fit is fixed a rubber valve plug 24, at ordinary times then the compression of mat pressure spring 23 and closing valve.This field coil 6 places down in the middle of the iron core 27, after field coil 6 energisings, draws close driving fit with iron core 27 under upper iron core 13 territories and makes it to inhale mutually (consulting Fig. 2).When electromagnet core type clutch pack 12 integral body during to top offset, valve opening, i.e. gas path (consulting Fig. 3).After field coil 6 outage, magnetic unshakable in one's determination 27 is released separately down in upper iron core 13 territories, following iron core 27, and the involution power of mat pressure spring 23 and descending then, thus make rubber valve plug 24 closing valve immediately, equal to reply again into Fig. 1 state.Motor off switch 38 is located at casing 15 inwalls, and it touches that 3 on shell fragment stretches into electromagnet core type clutch pack 12 lower ends and by pressure holding.This cut-out switch 38 is a break contact at ordinary times, electric current can be by making motor 10 runnings, right when electromagnet core type clutch pack 12 works behind top offset, cut off switch 38 its shake-up shell fragments 3 and release bullet on the power, cut off circuit (consulting Fig. 3), 10 on motor shuts down, so the running of motor 10 only is made for when the Open valve, the moment power consumption, behind valve opening, this device only remains the small electric weight of the field coil 6 that needs supply electromagnet core type clutch 12, can keep the open function of valve, reaches the effect of economic power saving.

Course of action of the present utility model is as follows: after connecting power supply, the field coil 6 of motor 10 public electromagnet core type clutch pack 12 is subjected to simultaneously, motor 10 runnings, slow down through train of reduction gears 33, swingle 2 public lifting bars 8 by transmitting assemblies 20 are because of the change of angle of articulation, and be subjected to the chip hold down of spring 35, make unshakable in one's determination 13 slowly declines on the electromagnet core type clutch pack 12 that connects with lifting bar 8 jails, thereby driving fit unshakable in one's determination 27 is drawn close down in the territory, and after being subjected to field coil 6 energisings, logical magnetic holds mutually, this moment transmitting assemblies 20 swingle 2 because of the axle body rotation halftime after, enter second half cycle, at this moment, electromagnet core type clutch pack 12 whole groups are satisfied thereupon to top offset, cut off the shake-up shell fragment 3 of switch 38 afterwards and release bullet on the power, cut off the power supply of motor 10, and the action of stopping, the field coil 6 of electromagnet core type clutch pack 12 still is subjected to electricity at this moment, the 27 permanent phase magnetic state down unshakable in one's determination of upper iron core 13 territories, gas path (valve), perseverance is held open, keep gas and pass through, after outage, the magnetic separation unshakable in one's determination 27 is released down in upper iron core 13 territories, involution strength because of pressure spring 23, close valve, only cut off gas and pass through, be returned to reset condition again.

The utility model has the advantages that obvious, it needn't be subjected to the control of gas pressure to get final product direct opening/shutting valve, also needn't connect and use connecting tube, the gas pressure output can not reduce, and parts are solid, needn't insert in the gas, be difficult for give birth to fault, can make gas do more extensive effectively and the full automatic working function of safety.

Claims

1, a kind of gas valve plug device of electronic clutch keying, mainly be by a miniature motor 10, train of reduction gears 33, casing 15, transmitting assemblies 20, electromagnet core type clutch pack 12, cutting off switch 38 elements such as grade forms, wherein motor 10 is to be fixed on the extending seat 36 of casing 15, and connection train of reduction gears 33, it is that public gas switch body 30 joints are fixing that one of casing 15 is held, and it is characterized in that: the end of exerting oneself of train of reduction gears 33 connects the swingle 2 of transmitting assemblies 20, and it is crossing that this swingle 2 stretches into casing 15 interior public lifting bar 8 section interlocks, these lifting bar 8 tops then are subjected to a spring 35 pressure holdings, lower end then jail connects on the electromagnet core type clutch pack 12 unshakable in one's determinationly 13, so that swingle 2 is when making Periodic Rotating, upper iron core 13 must be made displacement action up and down reciprocatingly; This electromagnet core type clutch pack 12 is by upper iron core 13, field coil 6 and 27 compositions down unshakable in one's determination, its 27 jails down unshakable in one's determination connect a valve cock stem 17, and these valve cock stem 17 lower ends are stretched in the gas switch body 30, its lower end head then fit is fixed a rubber valve plug 24, and mat pressure spring 23 closing valves; The side that 38 on this cut-out switch is located at electromagnet core type clutch pack 12 is fixed in casing 15 inwalls, and it touches 3 exhibitions of shell fragment stretches in down 27 lower end pressure holdings unshakable in one's determination, and mat electromagnet core type clutch pack 12 is made whole group when top offset, gets and cuts off motor circuit immediately.