CN104241022A - Waterproof steam switch - Google Patents

Waterproof steam switch Download PDF

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Publication number
CN104241022A
CN104241022A CN201310246917.5A CN201310246917A CN104241022A CN 104241022 A CN104241022 A CN 104241022A CN 201310246917 A CN201310246917 A CN 201310246917A CN 104241022 A CN104241022 A CN 104241022A
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CN
China
Prior art keywords
thin slice
bimetal leaf
plastic containers
edge
contact
Prior art date
Application number
CN201310246917.5A
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Chinese (zh)
Inventor
方高亮
Original Assignee
方高亮
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Application filed by 方高亮 filed Critical 方高亮
Priority to CN201310246917.5A priority Critical patent/CN104241022A/en
Publication of CN104241022A publication Critical patent/CN104241022A/en

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Abstract

A waterproof steam switch is composed of a steam switch main body frame, a swing frame, a spring piece, a bimetallic strip with a U-shaped notch in the middle, a movable contact plate, a static contact plate, a movable contact, a static contact and terminal blocks. An air inlet and an air outlet are formed in the surface of a plastic container, the air inlet is connected with an air inlet pipe, and the air outlet is connected with an air outlet pipe; or an air circulation opening is formed in the surface of the plastic container. The container opening end of the plastic container is arranged on the side face of one end of the steam switch main body frame. The bimetallic strip arranged at the container opening of the plastic container and the corresponding contact at one end of the swing frame of the steam switch are separated by a slice which is connected at the container opening in a sealing mode or a slice connected to the surface of one side of the bimetallic strip. A steam circulation control path system is added to the steam switch, and when the steam switch is applied to an electrical product, temperature control is accurate, and the steam switch and components connected with the steam switch are prevented from being affected by steam and damaged.

Description

Steam-preventing switch
Art
The present invention relates to a kind of possessing heating liquid, produce that the electric equipment products field such as water vapour uses can the steam cock of control apparatus product heating, be also steam inductive switch, temperature-sensitive thermostat (being sometimes also thermostat) belong to expansion of metal formula.
Background technology
Steam cock is also steam inductive switch, is sometimes referred to as thermostat, belongs to expansion of metal formula, is modally used on electric kettle as thermostat.Electric kettle in life the most frequently used be 360 degree revolving, for 360 degree of revolving electric kettles.This is made up of parts such as kettle body, power supply base, heating element, steam cock, anti-dry heating temperature controller, indicator lights.The operation principle of electric kettle is that the water vapour produced when utilizing water to seethe with excitement makes the bi-metal plate deformed of steam temperature-sensing element and utilizes distortion to promote mains switch by lever principle, thus make electric kettle at the boiled rear auto-breaking of water, its power-off is can not be automatically reset, therefore can not automatically heat after power-off again.If steam cock damage or malfunctioning, water will burn down always and constantly reduce, and when water is lower than water level or dry combustion method, the bimetallic sector-meeting action on another Thermal protection thermostat of kettle, makes kettle power-off.If time below all ineffective, will dissolve make electric kettle power-off along with temperature raises a plastic push-rod in thermostat.
What steam cock had the anti-dry heating temperature controller be arranged on bottom electric kettle handle upper end and electric kettle combinationally uses, and what steam cock had be arranged on merges bottom electric kettle and with two bimetal leafs of anti-dry and be integrally called electric kettle thermoregulator and temperature-sensitive thermostat or thermostat.Thermostat and steam cock do not have the division of standard in industry, introduce the difference of steam cock and thermostat or temperature-sensitive thermostat below: steam cock is a steam inductive switch, water vapour makes the bi-metal plate deformed of the steam sensing element on steam cock and utilizes distortion to promote mains switch by lever principle, and circuit disconnects.The steam that has that temperature-sensitive thermostat also makes thermostat be made up of steam cock and Thermal protection controller jumps defencive function processed and dual dry burning protection function automatically.
Steam cock is made up of main frame, rocking frame, spring leaf, bimetal leaf (centre has " U " " shape mouth), active and static contact, sound contact, terminals of connecting wire.The both sides at the middle part of main frame have an a recess A and recess B respectively, and the both sides in the middle of lever rocking frame have an a fulcrum C and fulcrum D respectively.A recess A and recess B on main frame is connected with the fulcrum C on lever rocking frame and fulcrum D respectively and makes by the elastic force of spring leaf be connected between main frame with lever rocking frame that recess A and fulcrum C is hinged, D is hinged for recess B fulcrum.Bimetal leaf is arranged on the side of close spring leaf one end of main frame, and two terminals of connecting wires that the main frame other end is installed are connected with static contact and movable contact spring respectively.When lever rocking frame is in free state, the contact of lever rocking frame one end comes close to or in contact with corresponding bimetal leaf and the contact of the lever rocking frame other end is separated with corresponding movable contact spring, and the dynamic and static contact of dynamic and static contact is in contact condition.Bimetal leaf swings by making lever rocking frame during dilatancy, and the contact of lever rocking frame one end is separated with corresponding bimetal leaf and the contact of its other end presses movable contact spring that dynamic and static contact is separated from original closed becoming, down circuitry.
Steam cock or the steam cock being provided with Thermal protection controller be arranged on there is heating liquid, the electric equipment products (electric kettle) that produce steam upper easy to use, structure is simple, temperature control is accurate; but have obvious shortcoming, steam cock usually in use easily to damage or malfunctioning by water vapour dipping.Because water vapour is also diffused into each parts of steam cock and components and parts around and makes steam cock be flooded by water vapour and to damage or malfunctioning.
Summary of the invention
In order to overcome existing be used in possess heating liquid, the steam cock produced in the electric equipment products (as: electric kettle) of steam in use easily becomes tide by water vapour dipping and damages or malfunctioning shortcoming.The invention provides a kind of steam-preventing switch, this steam-preventing switch adds vapor stream path control system on existing steam cock or the existing basis being provided with the steam cock of Thermal protection thermostat makes steam-preventing switch in use precisely also keep each components and parts of steam-preventing switch and connection thereof can not damage by the impact of steam while temperature control.
The technical solution adopted for the present invention to solve the technical problems is: steam cock increases has vapor stream path control system can control the bimetal leaf that steam blows to steam cock, and that bimetal leaf is used a kind of key has waterproof, resilience, flexible material.Plastic cement is the general name of plastics and rubber, and plastics are the organic materials not having resilience (can restore to the original state after stretching), and rubber refers to have good elastic organic material.Silicon rubber is synthetic rubber, comprises rubber and silica gel, the silica gel material that what silica gel was then said is in silicon rubber.Thermoplastic elastomer (TPE) is a kind of product between rubber and plastics, and rubber and silica gel all belong to an elastomeric part, macromolecular material, and plastics belong to the organic substance of low molecule material.Also have a kind of a kind of product between rubber and plastics in addition, we are referred to as thermoplastic elastomer (TPE), and its molecular weight is between macromolecule and low molecule, and this thermoplastic elastomer (TPE) can make resilient product by the production technology of plastics.The product that thermoplastic elastomer (TPE) processes has waterproof, resilience, pliability, here also referred to as rubber.
Scheme one:
Plastic containers have a vessel port, bimetal leaf is arranged on vessel port, and the edge on surface of thin slice one side corresponding with vessel port, the surface of thin slice one side is connected with the edge of plastic container mouth to seal to be made bimetal leaf be sealed in plastic containers to be connected with thin slice in the plastic containers space that seals and form.A side of thin slice corresponding with a side of bimetal leaf and between close to each other or contact.Thin slice has waterproof, resilience force, flexible material are made.Square sheet or the thin rounded flakes of thin slice is plane or to be convex side be side concavity.Sheeting can be rubber or silica gel or thermoplastic elastomer (TPE).The surface of plastic containers there are an air inlet and a gas outlet or have an air circulation mouth.The gas outlet that an air inlet of plastic containers connects air inlet pipe plastic containers connects an escape pipe.
The side of main frame one end there is the groove that square or circular, there are a square hole or circular hole in the bottom of square groove or circular groove and the aperture be connected with the hook buckle at vessel port place in addition, the square hole of the bottom of the square hole of the bottom of square groove or circular hole or circular groove or circular hole corresponding with the contact of rocking frame one end of another side.The vessel port of plastic containers be square or circular and the vessel port of plastic containers is square time vessel port inwall mouth be the outer wall of bulge mouth be square.The vessel port of plastic containers is square or circular and vessel port end is provided with hook, and the hook that the square container mouth of plastic containers or bulge mouth place are arranged inserts the square groove on the side of main frame one end or the aperture in circular groove engages.
Plastic containers are arranged on the side of main frame one end, be connected the thin slice being sealed in vessel port place and isolate in plastic containers between the bimetal leaf arranged and the contact of corresponding rocking frame one end.The vessel port end of plastic containers is arranged on the side of main frame one end of steam cock, the invariant position of the bimetal leaf of the original setting on the position on the main frame of the bimetal leaf arranged in plastic containers on steam cock and the main frame on steam cock.The surface that surface and the plastic container mouth place of the bimetal leaf side in plastic containers are connected the side of the thin slice sealed comes close to or in contact with, the surface of thin slice opposite side is corresponding with the contact of the rocking frame one end on steam cock and come close to or in contact with, the contact of the rocking frame other end is separated with movable contact spring and makes, moving on static contact, fixed contact closes, or the surface of thin slice opposite side is corresponding with the contact of the rocking frame one end on steam cock and be separated, the contact of the rocking frame other end contacts with movable contact spring and makes, moving on static contact, fixed contact is separated, circuit disconnects.
Scheme two:
And the edge on surface of bimetal leaf side corresponding with the vessel port of plastic containers, the surface of bimetal leaf side is connected with the opening's edge of vessel port and seals, and the edge on the surface of bimetal leaf opposite side corresponding with the surface of thin slice side, the surface of bimetal leaf opposite side be connected with the edge on the surface of thin slice side seal or the surface of bimetal leaf opposite side be connected with the surface of thin slice side seal or the opening's edge of " U " " shape mouth of centre of bimetal leaf and " U " " edge of shape thin slice is connected and seals.
The side of main frame one end there is the groove that square or circular, there are a square hole or circular hole in the bottom of square groove or circular groove and the aperture be connected with the hook buckle at vessel port place in addition, the square hole of the bottom of the square hole of the bottom of square groove or circular hole or circular groove or circular hole corresponding with the contact of rocking frame one end of another side.The vessel port of plastic containers be square or circular and the vessel port of plastic containers is square time vessel port inwall mouth be the outer wall of bulge mouth be square.The vessel port of plastic containers is square or circular and vessel port end is provided with hook, and the hook that the square container mouth of plastic containers or bulge mouth place are arranged inserts the square groove on the side of main frame one end or the aperture in circular groove engages.
The surface of plastic containers has an air inlet and a gas outlet and air inlet be connected with an air inlet pipe gas outlet be connected with an escape pipe or plastic containers surface on have an air circulation mouth.
The vessel port end of plastic containers is arranged on the side of main frame one end of steam cock, the invariant position of the position on the main frame of bimetal leaf on steam cock that plastic container mouth place is arranged and the original bimetal leaf arranged on the main frame on steam cock, between the bimetal leaf that plastic container mouth place is arranged and the contact of corresponding rocking frame one end by bimetal leaf another side connects thin slice (" U " " except shape thin slice, the opening's edge of " U " " shape mouth of the centre of bimetal leaf and " U " " edge of shape thin slice be connected seal) isolate.
And the edge on surface of bimetal leaf side corresponding with the vessel port of plastic containers, the surface of bimetal leaf side is connected with the opening's edge of vessel port and seals, and the edge on the surface of bimetal leaf opposite side corresponding with the surface of thin slice side, the surface of bimetal leaf opposite side be connected with the edge on the surface of thin slice side seal or the surface of bimetal leaf opposite side be connected with the surface of thin slice side seal or the opening's edge of " U " " shape mouth of centre of bimetal leaf and " U " " edge of shape thin slice is connected and seals, the surface of thin slice opposite side is corresponding with the contact of the rocking frame one end on steam cock and come close to or in contact with, the contact of the rocking frame other end is separated with movable contact spring and makes, moving on static contact, fixed contact closes, or the surface of thin slice opposite side is corresponding with the contact of the rocking frame one end on steam cock and be separated, the contact of the rocking frame other end contacts with movable contact spring and makes, moving on static contact, fixed contact is separated, circuit disconnects.
Thin slice has waterproof, resilience force, flexible material are made.The square sheet of thin slice is plane or to be convex side be side concavity or thin rounded flakes or " U " shape thin slice.Sheeting can be rubber or silica gel or thermoplastic elastomer (TPE).
The escape pipe that the air inlet pipe that the air inlet of plastic containers connects is connected with gas outlet and plastic container mouth connect with thin slice seal (it is interior that bimetal leaf is arranged on plastic container mouth) or plastic container mouth be connected on the surface outside bimetal leaf with thin slice make " U " of bimetal leaf " shape mouth be connected the bimetal leaf sealed connect the structure that seals the vapor stream path control system formed and act on and a breather pipe structure and act on identical.The plastic containers being connected with an air inlet pipe and an escape pipe are said from structure and using and are belonged to a breather pipe.The plastic containers being connected with an air inlet pipe and an escape pipe are more more convenient than breather pipe text description, easy understand, because plastic containers, vessel port, bimetal leaf and the interconnected relationship with thin slice, plastic containers are also had to be arranged on the side of main frame one end, if use a breather pipe with text description and bimetal leaf and also have describe difficult with the Relationship Comparison connected of the side of main frame one end with the interconnected relationship of thin slice.
Bimetal leaf is arranged on vessel port, and the edge on surface of thin slice one side corresponding with vessel port, the surface of thin slice one side is connected with the edge of plastic container mouth to seal to be made bimetal leaf be sealed in plastic containers to be connected in the plastic containers space that seals and form with thin slice, or and the edge on surface of bimetal leaf side corresponding with the vessel port of plastic containers, the surface of bimetal leaf side is connected with the opening's edge of vessel port and seals, and the edge on the surface of bimetal leaf opposite side corresponding with the surface of thin slice side, the surface of bimetal leaf opposite side be connected with the edge on the surface of thin slice side seal or the surface of bimetal leaf opposite side be connected with the surface of thin slice side seal or bimetal leaf centre " edge of U " opening's edge and " U " of shape mouth " shape thin slice is connected and seals.The surface of plastic containers has an air inlet and a gas outlet and air inlet be connected with an air inlet pipe gas outlet be connected with an escape pipe or plastic containers surface on have an air circulation mouth, the vessel port end of plastic containers is arranged on the side of main frame one end of steam cock, be connected between the bimetal leaf that the vessel port of plastic containers is arranged and the contact of the rocking frame one end on corresponding steam cock the thin slice being sealed in vessel port place isolate or bimetal leaf side surface on the thin slice that connects isolate (" U " " except shape thin slice, the opening's edge of " U " " shape mouth of the centre of bimetal leaf and " U " " edge of shape thin slice be connected seal).
Water vapour finally enters from the air circulation mouth of plastic containers the bimetal leaf arranged through plastic container mouth end again in plastic containers from the discharge of the escape pipe of plastic containers or water vapour from the air inlet pipe of the plastic containers bimetal leaf entered again through the setting of plastic container mouth end in plastic containers and finally discharges from the air circulation mouth of plastic containers, because bimetal leaf is arranged on plastic container mouth and and the edge on surface of thin slice one side corresponding with vessel port, the surface of thin slice one side is connected with the edge of plastic container mouth to seal and makes bimetal leaf be arranged on plastic containers to be connected with thin slice in the plastic containers space that seals and form, or and the edge on surface of bimetal leaf side corresponding with the vessel port of plastic containers, the surface of bimetal leaf side is connected and the edge on the surface of bimetal leaf opposite side corresponding with the surface of thin slice side, the surface sealing bimetal leaf opposite side and is connected with the edge on the surface of thin slice side and seals or the surface of bimetal leaf opposite side is connected with the surface of thin slice side and seals with the opening's edge of vessel port, or the opening's edge of " U " " shape mouth of the centre of bimetal leaf and " U " " edge of shape thin slice is connected and seals, making water vapour at " U " by the bimetal leaf in plastic containers and through plastic container mouth place and bimetal leaf " shape mouth can not be discharged to the thin slice that bimetal leaf one side surface comes close to or in contact with namely plastic containers are outside outward.
The invention has the beneficial effects as follows, each components and parts that steam-preventing switch adds protection steam cock and connection thereof when steam circulation controllability path system uses in electric equipment products can not damage by the impact of steam.
Embodiment
Scheme one:
Plastic containers have a vessel port, bimetal leaf is arranged on vessel port, and the edge on surface of thin slice one side corresponding with vessel port, the surface of thin slice one side is connected with the edge of plastic container mouth to seal to be made bimetal leaf be sealed in plastic containers to be connected with thin slice in the plastic containers space that seals and form.A side of thin slice corresponding with a side of bimetal leaf and between close to each other or contact.Thin slice has waterproof, resilience force, flexible material are made.Square sheet or the thin rounded flakes of thin slice is plane or to be convex side be side concavity.Sheeting can be rubber or silica gel or thermoplastic elastomer (TPE).The surface of plastic containers there are an air inlet and a gas outlet or have an air circulation mouth.The gas outlet that an air inlet of plastic containers connects air inlet pipe plastic containers connects an escape pipe.The side of main frame one end there is the groove that square or circular, there are a square hole or circular hole in the bottom of square groove or circular groove and the aperture be connected with the hook buckle at vessel port place in addition, the square hole of the bottom of the square hole of the bottom of square groove or circular hole or circular groove or circular hole corresponding with the contact of rocking frame one end of another side.The vessel port of plastic containers be square or circular and the vessel port of plastic containers is square time vessel port inwall mouth be the outer wall of bulge mouth be square.The vessel port of plastic containers is square or circular and vessel port end is provided with hook, and the hook that the square container mouth of plastic containers or bulge mouth place are arranged inserts the square groove on the side of main frame one end or the aperture in circular groove engages.
Plastic containers are arranged on the side of main frame one end, be connected the thin slice being sealed in vessel port place and isolate in plastic containers between the bimetal leaf arranged and the contact of corresponding rocking frame one end.The surface that surface and the plastic container mouth place of the bimetal leaf side in plastic containers are connected the side of the thin slice sealed comes close to or in contact with, the surface of thin slice opposite side is corresponding with the contact of the rocking frame one end on steam cock and come close to or in contact with, the contact of the rocking frame other end is separated with movable contact spring and makes, moving on static contact, fixed contact closes, or the surface of thin slice opposite side is corresponding with the contact of the rocking frame one end on steam cock and be separated, the contact of the rocking frame other end contacts with movable contact spring and makes, moving on static contact, fixed contact is separated, circuit disconnects.
Steam-preventing switch is arranged on electric kettle, water in electric heating kettle heating kettle makes water seethe with excitement, water vapour constantly to enter in plastic containers from the air inlet pipe on the plastic containers that the steam (vapor) outlet of insulating pot inwall upper end is discharged again through the main frame that its steam (vapor) outlet connects steam cock and to discharge from the escape pipe plastic containers or water vapour is discharged from the steam (vapor) outlet of insulating pot inwall upper end the breather pipe connected through steam (vapor) outlet again and entered in the air circulation mouth of plastic containers and plastic containers and discharge from the air circulation mouth of plastic containers more again, the surface that bimetal leaf in plastic containers presses by Steam Heating dilatancy the thin slice side that it comes close to or in contact with makes thin metal plate, the contact of rocking frame one end that the surface of thin slice opposite side comes close to or in contact with push dynamic, simultaneously the contact of the rocking frame other end does downward motion movable contact spring is corresponding thereto contacted make by lifting, moving on static contact, fixed contact is separated, circuit disconnects.Electric kettle stops heating, and the breather pipe control vapor stream path that the air circulation mouth of air inlet pipe and escape pipe that plastic containers connect or plastic containers is connected can not make the electric component of steam cock flood by water vapour.
Scheme two:
And the edge on surface of bimetal leaf side corresponding with the vessel port of plastic containers, the surface of bimetal leaf side is connected with the opening's edge of vessel port and seals, and the edge on the surface of bimetal leaf opposite side corresponding with the surface of thin slice side, the surface of bimetal leaf opposite side be connected with the edge on the surface of thin slice side seal or the surface of bimetal leaf opposite side be connected with the surface of thin slice side seal or the opening's edge of " U " " shape mouth of centre of bimetal leaf and " U " " edge of shape thin slice is connected and seals.
The side of main frame one end there is the groove that square or circular, there are a square hole or circular hole in the bottom of square groove or circular groove and the aperture be connected with the hook buckle at vessel port place in addition, the square hole of the bottom of the square hole of the bottom of square groove or circular hole or circular groove or circular hole corresponding with the contact of rocking frame one end of another side.The vessel port of plastic containers be square or circular and the vessel port of plastic containers is square time vessel port inwall mouth be the outer wall of bulge mouth be square.The vessel port of plastic containers is square or circular and vessel port end is provided with hook, and the hook that the square container mouth of plastic containers or bulge mouth place are arranged inserts the square groove on the side of main frame one end or the aperture in circular groove engages.
The surface of plastic containers has an air inlet and a gas outlet and air inlet be connected with an air inlet pipe gas outlet be connected with an escape pipe or plastic containers surface on have an air circulation mouth.
The vessel port end of plastic containers is arranged on the side of main frame one end of steam cock, between the bimetal leaf that plastic container mouth place is arranged and the contact of corresponding rocking frame one end by bimetal leaf another side connects thin slice (" U " " except shape thin slice, the opening's edge of " U " " shape mouth of the centre of bimetal leaf and " U " " edge of shape thin slice be connected seal) isolate.
And the edge on surface of bimetal leaf side corresponding with the vessel port of plastic containers, the surface of bimetal leaf side is connected with the opening's edge of vessel port and seals, and the edge on the surface of bimetal leaf opposite side corresponding with the surface of thin slice side, the surface of bimetal leaf opposite side be connected with the edge on the surface of thin slice side seal or the surface of bimetal leaf opposite side be connected with the surface of thin slice side seal or the opening's edge of " U " " shape mouth of centre of bimetal leaf and " U " " edge of shape thin slice is connected and seals, the surface of thin slice opposite side is corresponding with the contact of the rocking frame one end on steam cock and come close to or in contact with, the contact of the rocking frame other end is separated with movable contact spring and makes, moving on static contact, fixed contact closes, or the surface of thin slice opposite side is corresponding with the contact of the rocking frame one end on steam cock and be separated, the contact of the rocking frame other end contacts with movable contact spring and makes, moving on static contact, fixed contact is separated, circuit disconnects.
Thin slice has waterproof, resilience force, flexible material are made.The square sheet of thin slice is plane or to be convex side be side concavity or thin rounded flakes or " U " " shape thin slice.Sheeting can be rubber or silica gel or thermoplastic elastomer (TPE).
Steam-preventing switch is arranged on electric kettle, water in electric heating kettle heating kettle makes water seethe with excitement, the water vapour air inlet pipe of constantly discharging from the steam (vapor) outlet of insulating pot inwall upper end on the plastic containers the main frame of the steam cock connected through its steam (vapor) outlet again enters in plastic containers discharges from the escape pipe plastic containers or water vapour is discharged from the steam (vapor) outlet of insulating pot inwall upper end the breather pipe connected through steam (vapor) outlet again and entered in the air circulation mouth of plastic containers and plastic containers and discharge from the air circulation mouth of plastic containers more again, the surface that the bimetal leaf of the vessel port place setting of plastic containers presses by Steam Heating dilatancy the thin slice side that it connects makes thin metal plate, the contact of rocking frame one end that the surface of thin slice opposite side comes close to or in contact with push dynamic, simultaneously the contact of the rocking frame other end does downward motion movable contact spring is corresponding thereto contacted make by lifting, moving on static contact, fixed contact is separated, circuit disconnects, electric kettle stops heating, the breather pipe control vapor stream path that the air circulation mouth of air inlet pipe and escape pipe that plastic containers connect or plastic containers is connected can not make steam cock and related elements flood by water vapour.

Claims (2)

1. a steam-preventing switch, two fulcrums at the two ends in the middle part of the main frame of steam-preventing switch be connected with two recesses at the two ends in the middle part of rocking frame and the elastic force of the spring leaf be connected between main frame with rocking frame make two recesses and two fulcrums hinged, steam beginning there is active and static contact, sound contact, dynamic, static contact is connected with two binding posts respectively, it is characterized in that: plastic containers have a vessel port, bimetal leaf is arranged on vessel port, and the edge on surface of thin slice one side corresponding with vessel port, the surface of thin slice one side is connected with the edge of plastic container mouth to seal to be made bimetal leaf be sealed in plastic containers to be connected in the plastic containers space that seals and form with thin slice, a side of thin slice corresponding with a side of bimetal leaf and between close to each other or contact, the surface of plastic containers has an air inlet and a gas outlet and air inlet be connected with an air inlet pipe gas outlet be connected with an escape pipe or plastic containers surface on have an air circulation mouth, the vessel port end of plastic containers is arranged on the side of main frame one end of steam cock, is connected the thin slice being sealed in vessel port place and isolates in plastic containers between the bimetal leaf arranged and the contact of corresponding rocking frame one end,
The surface that surface and the plastic container mouth place of the bimetal leaf side in plastic containers are connected the side of the thin slice sealed comes close to or in contact with, press the shift knob of steam cock, the surface of thin slice opposite side corresponding with the contact of the rocking frame one end on steam cock and come close to or in contact with or the surface of thin slice opposite side corresponding with the contact of the rocking frame one end on steam cock and be separated; Thin slice be there is waterproof, (sheeting can be rubber or silica gel or thermoplastic elastomer (TPE)) that resilience force, flexible material are made.
And the edge on surface of bimetal leaf side corresponding with the vessel port of plastic containers, the surface of bimetal leaf side is connected with the opening's edge of vessel port and seals, and the edge on the surface of bimetal leaf opposite side corresponding with the surface of thin slice side, the surface of bimetal leaf opposite side be connected with the edge on the surface of thin slice side seal or the surface of bimetal leaf opposite side be connected with the surface of thin slice side seal or the opening's edge of " U " " shape mouth of centre of bimetal leaf and " U " " edge of shape thin slice is connected and seals; The surface of plastic containers has an air inlet and a gas outlet and air inlet be connected with an air inlet pipe gas outlet be connected with an escape pipe or plastic containers surface on have an air circulation mouth, the vessel port end of plastic containers is arranged on the side of main frame one end of steam cock, is isolated between the bimetal leaf that plastic container mouth place is arranged and the contact of corresponding rocking frame one end by the thin slice (" U " " shape thin slice except) that bimetal leaf another side connects; Thin slice has waterproof, resilience force, flexible material are made.Thin slice is square sheet or thin rounded flakes or " U " " shape thin slice (sheeting can be rubber or silica gel or thermoplastic elastomer (TPE)); And the edge on surface of bimetal leaf side corresponding with the vessel port of plastic containers, the surface of bimetal leaf side is connected with the opening's edge of vessel port and seals, and the edge on the surface of bimetal leaf opposite side corresponding with the surface of thin slice side, the surface of bimetal leaf opposite side be connected with the edge on the surface of thin slice side seal or the surface of bimetal leaf opposite side be connected with the surface of thin slice side seal or the opening's edge of " U " " shape mouth of centre of bimetal leaf and " U " " edge of shape thin slice is connected and seals, the surface of thin slice opposite side corresponding with the contact of the rocking frame one end on steam cock and come close to or in contact with or the surface of thin slice opposite side corresponding with the contact of the rocking frame one end on steam cock and be separated.
2. according to claim 1, it is characterized in that: the side of main frame one end has the groove that square or circular, there are a square hole or circular hole in the bottom of square groove or circular groove and the aperture be connected with the hook buckle at vessel port place in addition, the square hole of the bottom of the square hole of the bottom of square groove or circular hole or circular groove or circular hole corresponding with the contact of rocking frame one end of another side; The vessel port of plastic containers is square or circular and vessel port end is provided with hook, and the hook that the square container mouth of plastic containers or bulge mouth place are arranged inserts the square groove on the side of main frame one end or the aperture in circular groove engages; When the vessel port of plastic containers is square, the inwall mouth of vessel port is the outer wall of bulge mouth is square; Thin slice is square sheet or thin rounded flakes or " U " " shape thin slice (" U " in the centre of bimetal leaf " opening's edge of shape mouth is connected with the edge of " U " " shape thin slice when sealing with " U " " shape thin slice); Thin slice is plane or side be convex side is concavity, and sheeting can be rubber or silica gel or thermoplastic elastomer (TPE).
CN201310246917.5A 2013-06-06 2013-06-06 Waterproof steam switch CN104241022A (en)

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