CN102813455B

CN102813455B - Heat preservation electric heating thermos

Info

Publication number: CN102813455B
Application number: CN201210109311.2A
Authority: CN
Inventors: 郭林根
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-16
Filing date: 2012-04-16
Publication date: 2015-03-25
Anticipated expiration: 2032-04-16
Also published as: CN102813455A

Abstract

The invention relates to a heat preservation electric heating thermos, belonging to household appliances. The thermos comprises a heat preservation plug (13), a rubber asbestos pad (18), a sealing rubber pad (19), a liner cover (17), an electric heating pipe (26) installed into a vacuum heat preservation liner (21) of which an opening faces downwards, a water inlet and outlet pipe (71), an air inlet and discharge pipe (29), an NTC (negative temperature coefficient) thermistor (20) and a sewage discharge pipe (16), and the effects of automatically feeding water, stopping feeding water, heating the water inside the electric heating liner and powering off after the water is boiled are achieved through the functions of the water feeding gravity, the electric heating pipe (26), the water inlet and outlet pipe (71), the air inlet and discharge pipe (29), a quantitative water bucket (48), a water outlet (45), a water inlet (43), an opening annular plate (37), a stress bracket (39), a spring (32), a lever (61), a connecting rod (68), a crank (95), a sector-shaped crank (96), a three-way valve (9), a control rod (84), a short rod (119) and a steam type automatic power-off switch (105). Heat is preserved in a vacuum manner, and the hot water can flow out automatically; three levels of protection are provided for a circuit; air inlet and discharge channels enable the thermos liner to work safely; the water intake and the circuit can be controlled manually; and the electric efficiency is more than 0.9.

Description

Heat preservation electric heating vacuum flask

Technical field

The present invention be a kind of can automatic feeding water oral to courage under heat-insulating internal container in, the household electrical appliance that the method for automatic electric heat boils water.

Background technology

The household electrical appliance that existing electric heating method boils water is a lot: electricity rushes kettle, namely drinks i.e. drink electrothermal kettle, i.e. drink instant electric water bottle, electric heating thermal insulation formula electric kettle, electric heating thermal insulation formula electric hot water bottle, water dispenser.Their shortcoming is that power consumption is comparatively large, and heat insulation function is undesirable, and what have will drink repeatedly boiled water, and what have will drink water, does not meet the hygienic habit of people; Some uses are inconvenient, dangerous, do not meet the life hope of people.

Summary of the invention

Task of the present invention will provide a kind of environment-friendly type, can save electricity consumption, good heat preservation performance, electric-heating thermos safe and convenient to use.

Task of the present invention completes as follows: by opening down for a double-layered vacuum heat-insulation courage, load sealing rubber pad, bottle cap, rubber asbestos gasket and insulation plug in the opening, in courage, load electrothermal tube, water inlet pipe and water outlet pipe by insulation plug, rubber asbestos gasket, sealing rubber pad, bottle cap, enter gland steam exhauster, each one of blow-off pipe, NTC negative tempperature coefficient thermistor.Electrothermal tube draws electric wire to being incubated beyond the Great Wall, accesses power supply with burner on light again after connecing with electric heating fuse, closed type manual reset temperature controller, steam-type automatic power-off switch after connecting; Water inlet pipe and water outlet pipe connects with triple valve water inlet pipe and water outlet pipe after going out insulation plug, and the water inlet pipe of triple valve connects with the water inlet pipe at glass liner top; Entering after gland steam exhauster goes out insulation plug and connected with the vapour seat air intake of leading that closed type manual reset temperature controller and automatic steam cut-off switch are housed by rubber pipeline, opening wide through leading the backward outside space of vapour seat; Lead below vapour seat and downward drainpipe is housed.Be connected in series with insulation indicator lamp after NTC negative tempperature coefficient thermistor wire goes out insulation plug and access power supply again.Blow-off pipe is clogged by plastic plug after going out insulation plug.Quantitative bucket can be placed in glass liner top, and gauge water bottom of the barrel has three pin, and there is delivery port in bottom centre, and delivery port center has can by the flowing water Valve backed down, and flowing water Valve is pushed down by spring, and the outside of delivery port is a cylinder.Water inlet has the cylinder of individual inverted tubaeform, has three clamps outside it, and there is a hollow push rod having water inlet pipe effect concurrently at its center, and it can back down the flowing water Valve of quantitative bucket.Water inlet has outlet pipe, is connected with the water inlet of triple valve through rubber water pipe.Open annular plate and the spring of five under plate and center on courage top are that the stressed frame screw that annulus stretches out three arms is connected.The annulus of stressed frame is connected with one end of lever, and the other end of lever is connected with the upper end of connecting rod, and the lower end of connecting rod is connected with crank, and crank is connected by spring ball headpin Xiao with fan-shaped crank, and fan-shaped crank is fixedly connected with the axle of triple valve.Have control lever above the removable cover of steam-type automatic power-off switch, control lever one end is connected with supporting seat, and the other end is connected with quarter butt.The connecting rod hollow relative with quarter butt, pressing plate and torsionspring are equipped with in the inside.When the cone that quantitative bucket delivery port faces toward water inlet puts down, three pin drop on open annular plate, force spring-compressed to decline, and at this moment quantitatively the flowing water Valve of bucket is backed down, water flows into water inlet through hollow push rod, stressed frame declines simultaneously, and the one end of the lever be connected with stressed frame also declines, and the other end rises and makes connecting rod increase, crank, fan-shaped crank, triple valve also rotates clockwise, and the water inlet of triple valve is opened, and water enters in courage; Delivery port outer cylinder also declines simultaneously, three clamps is turned outward, blocks stressed frame central circular.When water inlet is complete, anhydrous in quantitative bucket, the quantitative bucket of its center spring handle is upspring, and the cylinder outside delivery port rises, and three clamps are pushed back and interior turn by stressed frame, and last stressed frame and open annular plate rise and return under five spring actions.Now connecting rod then declines, and makes threeway valve shaft counterclockwise rotation dynamic closedown water intaking valve.Short connecting rod also declines and forces control lever also to decline, and pressure steam-type automatic power-off switch removable cover closed circuit, water in electrothermal tube heating liner, red indicator lamp is bright.Stop when short connecting rod drops to below control lever declining, control lever is return under spring action own.After in courage, water is opened, high-temperature steam enters air guiding base heating steam formula automatic power-off switch through air inlet-outlet pipe and pipeline thereof, cuts off electric current when steam-type automatic power-off switch reaches operating temperature, and electrothermal tube stops heating, and red indicator lamp extinguishes.Inhour is revolved to turn and is revolved Button threeway valve shaft is rotated, and boiling water just flows out through Water outlet automatically by outlet conduit.

Accompanying drawing explanation

Below with reference to accompanying drawing, invention is described in further detail:

Fig. 1 is the longitudinal sectional view of a kind of concrete structure of the present invention.

Fig. 2 is the sectional view of Fig. 1 along A-A

Fig. 3 is the sectional view of Fig. 1 along B-B

Fig. 4 is the H direction view of Fig. 1

Fig. 5 is the G direction view of Fig. 1

Fig. 6 is the M enlarged drawing of Fig. 1

Fig. 7 is the N enlarged drawing of Fig. 1

Fig. 8 is circuit theory diagrams of the present invention.With reference to Fig. 1: one downward opening double-layered vacuum heat-insulation courage (21), be fixed on the certain altitude of lower casing (3) and upper shell (31) by bracket (76), rubber ring (77) and rubber ring (38), courage ceiling hold (36).In courage, electrothermal tube (26), Inlet and outlet water filter screen (69), water inlet pipe and water outlet pipe (71), air inlet-outlet pipe (29), NTC negative tempperature coefficient thermistor (20) and blow-off pipe (16) is loaded by insulation plug (13), rubber asbestos gasket (18), bile cover (17), sealing rubber pad (19).Bile cover (17) and heat-insulating internal container (21) are with screw-thread securing.With reference to electrical principle Fig. 8, and Fig. 3; Electrothermal tube (26) accesses 220v power supply after drawing and connecting with electric heating fuse (98), closed type manual reset temperature controller (110), steam automatic power-off switch (105) after wire indicates red light (101) with heating and is connected in series current-limiting resistance (97) parallel connection.After NTC negative tempperature coefficient thermistor (20) indicates green light (100) to be connected in series with insulation, access power supply.With reference to Fig. 1; Fig. 3; Glass liner water inlet pipe and water outlet pipe (71) connects plastic rigid pipe (72) and is connected with the water inlet pipe and water outlet pipe of the outer triple valve (9) of bottle stopper, can enter cold water, can decontrol water when being boiling water in bottle when triple valve (9) controls empty bottle.The delivery port of triple valve (9) is connected with outlet pipe (113) and Water outlet (114).Be hinged with the import leading vapour seat (107) of closed type manual reset temperature controller (110) and steam-type automatic power-off switch (105) after being connected in series with rubber tube (28), the hard inclined tube of plastics (27), rubber tube (115) after air inlet-outlet pipe (29) goes out bottle stopper, lead below vapour seat (107) and drainage rubber pipe (90) is housed.The Main Function of air inlet-outlet pipe (29) is: the gas of draining in courage during the water inlet of bottle inner bag; When decontroling water, outside air enters in courage; Water vapour is produced during water in glass liner during electrical heating, the steam of high temperature enters through intake and exhaust pipeline leads vapour seat (107), heating closed type manual reset temperature controller (110) Jia Re And is by steam-type automatic power-off switch (105), but (105) low than the operating temperature of (110), when temperature reaches operating temperature, steam-type automatic power-off switch (105) disconnects, cut off electric current, electrothermal tube stops heating; If steam automatic power-off switch lost efficacy, normally closed type manual reset temperature controller (110), when temperature reaches operating temperature, cut off electric current, and electrothermal tube stops heating, and steam enters in air; Water in glass liner is just in case when transfiniting, water from air inlet-outlet pipe from inflow pipe the spout hole of courage top 1.5CM, finally can flow out from rubber tube (90) through entering blow-off line.When all losing efficacy in (105), (110), for preventing dry combustion method, electric heating fuse (98) shields, and maximum temperature is 120 DEG C.NTC negative tempperature coefficient thermistor wire is connected with green indicator lamp after drawing bottle stopper, then accesses power supply.The characteristic of NTC is that temperature high resistance is little, and temperature is low, and resistance is large, and when in bottle, temperature is more than 45 degree, green indicator lamp is bright, and when less than 45 degree, green light extinguishes.Clogged by duroplasts plug (14) after the rubber tube (15) of blow-off pipe (16) goes out bottle stopper (13).Blow-off pipe (16) is regularly taken out hard plug (14) and is got rid of dirt in bottle.With reference to Fig. 1, Fig. 2: quantitatively the water capacity of bucket (48) is just in time the glass liner once boiled water yield.Under it, periphery has three to be mutually the duroplasts pin of 120 °, can be stable be placed on open annular plate (37).Delivery port (45) is equipped with in gauge water barrel bottom center, (45) there is an annular garden cylinder outside, (45) there is a flowing water Valve that can back down (50) at center, there is " O " shape sealing ring (53) in the bore of valve (50), prevent from leaking during water outlet.(50) be press against by spring (51) above, have sealing rubber pad (49) below, the elastic force of (51) adjusts by plastic nut (52).What be connected with delivery port is the water inlet (43) of glass liner, and the delivery port of (43) is connected with the water inlet pipe of triple valve (9) by water inlet rubber tube (102).(43) import center has hollow and is the push rod of water inlet pipe, there are two inlet openings in the surrounding of push rod, the cylinder making down toroidal is had outside push rod, the clamp (41) that three are mutually 120 ° is housed outside cylinder, (43) inverted tubaeform sleeve can import quantitative bucket delivery port (45), makes push rod energy jack-up flowing water Valve (50) of (43).There is a round iron ring at stressed frame (39) center, and it stretches out three irons of 120 ° each other, connects as one with five springs (32) and open annular plate (37).When quantitative bucket (48) be placed on open annular plate (37) moves downward time, stressed frame (39) also moves downward, quantitative bucket delivery port (45) also moves downward, when all moving to bottom, the annulus of stressed frame (39) is blocked by three clamps (41) that the cylinder ring of the delivery port of quantitative bucket (48) (45) outside extrudes, at this moment quantitatively the flowing water Valve (50) of bucket (48) and the water inlet of triple valve (9) are all in maximum open state, and water enters in glass liner with maximum.Even if the water of bucket discharges but quantitative bucket or bullet do not rise soon.When water discharges, quantitative bucket (48) is upspring by spring (51) and rises, the outer cylinder ring of delivery port (45) also rises, stressed frame (39) makes three clamp (41) returns by the effect of spring (32) power, and stressed frame (39) also return rises.Whole mechanism all restores to the original state under spring force, and the elastic force of spring (51) is adjustable, and elastic force is about greater than the weight of quantitative bucket.When the shape of clamp (41) makes it be subject to the outer cylinder ring active force of delivery port (45), outwards can rotate around axle (42), thus block stressed frame annulus.When outer cylinder ring rises, clamp is subject to also inwardly to rotate and return around axle (42) during the active force of stressed frame annulus.With reference to Fig. 1, Fig. 3, Fig. 4, Fig. 5: the side of iron annulus is flexibly connected with one end of lever (61), be fixed on support (36) by levers support seat (64) in the middle of bar thick stick, the lever other end is flexibly connected with connecting rod (68), and connecting rod (68) is flexibly connected crank (95).Crank (95) is that kink is on the axle of triple valve (9), crank (95) is flexibly connected with fan-shaped crank (96) by spring ball headpin Xiao (78), fan-shaped crank (96) is be fixedly connected with the axle of triple valve (9), triple valve (9) knob vertical position turns 60 ° clockwise for maximum water inlet position, and turning 60 ° is counterclockwise maximum water exit position.The fan shape center line of fan-shaped crank (96) there is individual spherical recess, the bulb of spring ball headpin Xiao (78) is just contained in this hole, when connecting rod (68) moves, crank (95) can not drive the axle of triple valve (9) to rotate, but by spring ball headpin Xiao (78) drive fan-shaped crank (96) rotate and Tapes move triple valve (9) axle rotate; When fan-shaped crank (96) rotates, crank (95) can not rotate, because crank (95) is blocked by bar thick stick (61), stressed frame (39) and spring (32).Spring ball headpin Xiao (78) can only in the upper slip of fan-shaped crank (90), and spring ball headpin Xiao (78) elastic force can be adjusted.There is supporting seat (91) outside the axle of triple valve (9), be screwed on installing plate (7).Normally closed property manual reset temperature controller (110) and steam-type automatic power-off switch (105) are all arranged on leads on vapour seat (107), lead vapour seat (107) to be arranged on installing plate (7), lead below vapour seat and connect drainpipe (90).Filled a control lever (84) in steam-type automatic power-off switch (105) top, (84) one are fixed on installing plate (7) with supporting seat (87).There is a downward projecting portion in the middle of control lever (84), face the switch motion point of steam-type automatic power-off switch (105) removable cover.But be not pressed on this aspect.Because withstood by spring (123), control lever (84) can make steam-type automatic power-off switch (105) close to pressing down.When control lever (84) is in normal condition, the removable cover of steam-type automatic power-off switch (105) is up and down is freely.With reference to Fig. 6: what there was a synthetic fibers flexible cord (121) at control lever (84) middle part and moulded that cover (122) connects steam-type automatic power-off switch (105) is subject to control lever, when control lever (84) presses down, flexible cord (121) is inoperative, on just can mention the removable cover of steam-type automatic power-off switch (105) when carrying, thus cut off electric current.With reference to Fig. 7: the other end live axle (120) of control lever (84) connects a quarter butt (119), under the bottom of quarter butt (119) one end connected with control lever (84) extends to the bar of control lever (84).When the power that the other end of quarter butt (119) is moved downward, then make control lever (84) move downward together, the removable cover of pressure steam-type automatic power-off switch (105), make (105) closed energising; When quarter butt (119) is by upward force, quarter butt (119) then upwards rotates around axle (120).Freely can fall when quarter butt (119) does not stress, restore to the original state.Two connecting rods are had below connecting rod (68).With reference to Fig. 7. that short root connecting rod is hollow, in close quarter butt (119) termination, short connecting rod is an in-built torsionspring (116) and pressing plate (117), (116) (117) can be rotated around axle (118).When connecting rod (68) is descending, under the effect of spring (116), pressing plate (117) presses to the termination of quarter butt (119), makes control lever (84) press down steam-type automatic power-off switch (105) and makes it close, turn-on current.Connecting rod continues descending, and last pressing plate (117) spring (116) is all pressed in short connecting rod cavity, is gone downwards to the below of quarter butt (119) by the termination of quarter butt (119).Pressing plate (117) ejects under the effect of spring (116), and control lever (84) restores to the original state under the effect of spring (123).When connecting rod (68) is up, pressing plate (117) gear is below quarter butt (119) termination, make quarter butt (119) around axle (120) rotate an angle, crush board (117) is up pass through after set back again.With reference to Fig. 1, Fig. 3: the side of control lever (84) connects a hand lever (83) and stretches out a bottle shell (3) outward, when pressing down hand lever (83), then control lever (84) presses down steam-type dynamic circuit breaker electric switch (105) and makes its closed turn-on current; On raise one's hand control lever (83) time then control lever (84) also on lift, carried on steam-type automatic power-off switch (105) removable cover by fiber flexible cord (121), then cut off electric current.Rotate clockwise knob (82) water also to enter in courage from the bottle jacking mouth of a river (43).

With reference to Fig. 4: when boil water, inhour rotates knob (82) 60 °, in emptying bottle after water, by knob (82) cycle vertical position, and the line that plugs in, then the quantitative bucket (48) of enough for dress water is put on bottle top, put down by the horn mouth that falls of the delivery port (45) at quantitative bucket (48) Tong Di center facing to the courage jacking mouth of a river (43), three pin of quantitative bucket (48) drop on open annular plate (37) naturally.Five springs (32) under the Action of Gravity Field under shed annular slab (37) of water are driven open annular plate (37) by compression, stressed frame (39) moves downward, make bar thick stick (61) be connected one end (Fig. 1 is left end) with the annulus of stressed frame (39) to move downward, right-hand member is then upwards carried, the connecting rod (68) be connected with bar thick stick (61) right-hand member is up, pull crank (95), fan-shaped crank (96) is driven by spring ball headpin Xiao (78), make the axle of triple valve (9), rotate clockwise, when axle rotates 60 °, the water inlet position of triple valve is opened to maximum, the hollow push rod of water inlet (43) backs down the flowing water Valve (50) of quantitative bucket simultaneously, water flows out from quantitative bucket (48), through the water inlet pipe of water inlet (43) hollow push rod to water inlet pipe (102) triple valve (9), water inlet pipe and water outlet pipe is to glass liner water inlet pipe and water outlet pipe (72), (71), filter screen enters glass liner.When spring (32) is compressed to maximum position, quantitative bucket (48) flowing water Valve backs down maximum, and triple valve (9) water intaking valve is opened to maximum.Now the annulus of stressed frame (39) is in lowermost position and puts, under quantitative bucket (48), the outer cylinder ring of delivery port (50) is inserted in three clamps (41) of outside, the mouth of a river (40), force clamp to turn outward and block stressed frame annulus, water inlet is in maximum opening.In glass liner, by air inlet-outlet pipe (29) and rubber tube, (28), Su Rubber inclined tubes (27), rubber tube (115), air guiding base (107) are discharged in air air.After quantitative bucket (48) has discharged water, quantitative bucket (48) is upspring by spring (51), delivery port outer cylinder rises, clamp (41) goes back to original position under stressed frame (39) active force, and stressed frame (39) to be upspring return by spring (32).Bar thick stick (61) left end rises, right-hand member declines, connecting rod (68) falls, on the one hand by the water intaking valve of crank (95), ball head column Xiao (78), fan-shaped crank (96) closedown triple valve (9), triple valve (9) returns original position, and knob (82) is in vertical state.The decline of connecting rod (68) simultaneously, making the torsionspring on short connecting rod (116), pressing plate (117) force quarter butt (119) to drive control lever (84) to press down while moving downward makes steam-type automatic switch (105) close, and electrothermal tube (26) is energized.At this moment red indicator lamp (101) is heated bright, water in heating glass liner.In heating process, constantly there is a small amount of steam to discharge from intake and exhaust pipeline.When water in bottle temperature is higher than 45 DEG C, insulation instruction green light (100) is simultaneously bright.When water is boiled, there is a large amount of high-temperature steam to discharge from air inlet-outlet pipe, enter air guiding base (107), heating steam formula automatic power-off switch simultaneously (105) and normally closed type manual reset temperature controller (110).Because steam-type automatic power-off switch (105) operating temperature is lower than normally closed type manual reset temperature controller (110), steam-type automatic power-off switch (105) first action turn-off current.Heating tube stops heating, and burner on light red light (101) extinguishes, insulation indicator lamp green light (100) still light yellow.If steam-type automatic power-off switch (105) lost efficacy, a large amount of high-temperature steam is entered by gas exhaust piping and leads vapour seat, then normally closed type manual reset temperature controller (110) starts action higher than steam-type automatic power-off switch (105) 8 DEG C time, turn-off current, electrothermal tube also stops heating, and red light extinguishes.When using boiling water, vertical state knob (82) inhour reverses 60 °, and triple valve (9) is in maximum opening.Boiling water from glass liner through filter screen (69), glass liner water inlet pipe and water outlet pipe (71) to triple valve (9) delivery port to telescopic outlet pipe (113), Water outlet (114) flows out automatically.According to water tumbler height, adjustable height or turn down the height of Water outlet (114).When water temperature in glass liner is lower than 45 DEG C, insulation green light (100) is extinguished.

The present invention only has electrothermal tube and indicator lamp electricity consumption.The few only a few person of outstanding talent's peace of indicator lamp electricity consumption, mainly electrothermal tube boils water electricity consumption.Electrothermal tube is surrounded by water, and its heat produced mainly is absorbed by the boiling water burnt in glass liner; Secondly the electrothermal tube in insulation bottle inner bag and courage, water inlet pipe and water outlet pipe, air inlet-outlet pipe, blow-off pipe, NTC negative temperature instruction numerical control thermistor, bile cover, insulation plug absorb; Conduct by glass liner of thermos, bottle stopper and the part stretched out outside bottle stopper the heat that scatters and disappears in air and flowed out and the heat in air that scatters and disappears by intake and exhaust pipeline in heating process again.From the heat that air inlet-outlet pipe is discharged in heating process, be not easy to theory calculate, other are every all can calculate with the theoretical Meter of existing scientific knowledge.If estimate the heat flowed out by the intake and exhaust mouth of pipe in heating process, other carrying out reason opinion meter Suan, the theoretical electrothermal efficiency of result is more than 0.9.As fruit product is made, actual efficiency can be calculated out soon.So the special power saving of the present invention, energy-saving and emission-reduction are maximum features, and for minimizing toxic emission, protection of the environment is significant.

Heat preserving method of the present invention be vacuumize between double-deck glass liner and in two interlayer silver-plated (or copper or aluminium), this is identical with traditional heat preserving method, unlike the below of opening at glass liner, and is control Inlet and outlet water with triple valve.Experimentally result proves, when various condition is identical, courage mouth drives that to open heat insulation effect up at below ratio high 1 DEG C-2 DEG C.According to the simulated experiment result of the present invention's design, courage mouth is driveed in below, in the glass liner of thermos filling 98 degree of boiling water, the vacuum flask that electrothermal tube, water inlet pipe and water outlet pipe, air inlet-outlet pipe, blow-off pipe, the device of temperature Meter and courage mouth open the boiling water also filling 98 DEG C is up inserted by bottle stopper, the device that one is inserted the thermometer in glass liner of thermos bottle stopper is equipped with, carry out heat-insulating property to compare, at first 14 hours, heat-insulating property was high 0.5 DEG C or completely the same, to 16-24 hour from completely the same to low 0.5 DEG C.Heat loss is fewer than conventional vacuum flask in actual use, so heat-insulating property of the present invention is better than conventional vacuum flask heat-insulating property.

As long as the quantitative bucket centring of enough for dress water is fallen horn mouth by the present invention, be placed in bottle top opening annular, plug in, just can automatically complete into water, Guan Shui, opens electrical heating, and it is electric that water opens rear pass, the work of insulation.Rotary switch flows out boiling water automatically.Also be designed with manual water inlet, Non-follow control electrical heating switch, delivery port can move up and down, so easy for operation, and safety.The present invention saves electricity, vacuum heat-preserving, and automatic operation is easy to use, safety, completes the task that the present invention proposes.

Detailed description of the invention

The present invention's more than 120 parts, can produce by conventional method, wherein standard component primary screw, little nut, minipad, open tail Xiao and have 34, rubber blanket 10, little spring 4.Glass liner, bottle shell, triple valve are large part, and other are all smallclothes.Describe the production technology of glass liner below.To glass refills, available borosilicate glass and soda lime glass.Technological process is: found → blow (turn blow method) → annealing → cutting → tempering process → inner-outer tube running-on to weld → outer courage welds cylinder at the bottom of bottle or to grab at the bottom of bottle processed → perforate welded tube → plating → vacuumize → tube sealing.The manufacture craft of inner-outer tube is identical, at the bottom of just outer courage does not have bottle, to weld with top cylinder at the bottom of blown bottle again or directly grabbed at the bottom of bottle processed by top cylinder.With borosilicate glass manufacture then not chemically tempering process.Extract air in glass liner interlayer out with vavuum pump when glass liner being heated to when vacuumizing 300 DEG C of ≈ 400 DEG C, vacuum will reach 10-3-10-4 millimetres of mercury.During running-on welding, the asbestos pad of uniform three the ∮ 5MM in interlayer shoulder center circle position.Glass wall thickness 1.5mm-2.0mm.To stainless steel glass liner: the sheet material of stainless steel 1Cr18Ni9, thickness 0.4mm-0.6mm.The production method of inner-outer tube is identical, point three parts: lower cylinder cylinder, lower round cup, upper round cup.Lower cylinder cylinder production process: material 0.4mm1Cr18Ni9, blanking (rectangle) → cold coiling song is tubular → butt welding (argon arc welding) → spinning → excision redundance.Upper round cup and lower round cup production process: material 0.6mm1Cr18Ni9, blanking (circle) → punching press drawing → punching (above punching do not wanted by round cup).Lower cylinder cylinder welds with lower round cup punching argon arc welding or mash seam welding method.On inner barrel, circle cup welds with lower round cup argon arc welding.Weld with argon arc welding method with during outer cylinder body muzzle mouth at inner barrel mouth, then the lower shell argon arc welding of the upper shell of urceolus and urceolus or electric-resistance seam-welding method are welded.Finally hole, welded tube, the silver-plated or copper of interlayer inwall chemical method or aluminium.Vacuumize, make vacuum reach 1 × 10-7 handkerchief, rear tube sealing.

Each operation that glass liner is produced all will be checked, and finally stops leakage in the roof together.It is qualified to confirm through stopping leakage in the roof, and could use.Except glass liner, other part parts are all smallclothes, and production technology is simple, cheap, as long as sharing money, so the cost of whole product can not be high of having.

Claims

1. one kind by double layer vacuum thermal bottle courage (21), sealing rubber pad (19), rubber asbestos gasket (18), insulation plug (13), bile cover (17), electrothermal tube (26), Inlet and outlet water filter screen (69), water inlet pipe and water outlet pipe (71), air inlet-outlet pipe (29), NTC negative tempperature coefficient thermistor (20), blow-off pipe (16), circuit thermal cut-off (98), closed type manual reset temperature controller (110), steam-type automatic power-off switch (105), triple valve (9), water inlet pipe (102), quantitative bucket (48), lead vapour seat (107), drainpipe (90), and outlet pipe (113), the heat preservation electric heating vacuum flask that Water outlet (114) is formed, it is characterized in that the courage mouth down of double layer vacuum thermal bottle courage (21), courage mouth is built with sealing rubber pad (19), bile cover (17), rubber asbestos gasket (18), insulation plug (13), through insulation plug (13), in bile cover (17), in double layer vacuum thermal bottle courage (21), load electrothermal tube (26), Inlet and outlet water filter screen (69), rubber blanket (70), water inlet pipe and water outlet pipe (71), air inlet-outlet pipe (29), NTC negative tempperature coefficient thermistor (20), blow-off pipe (16) on request.

2. heat preservation electric heating vacuum flask as claimed in claim 1, it is characterized in that described electrothermal tube (26), after connecting with circuit thermal cut-off (98), closed type manual reset temperature controller (110) and steam-type automatic power-off switch (105) with wire after going out insulation plug, access power supply.

3. heat preservation electric heating vacuum flask as claimed in claim 1, after it is characterized in that described water inlet pipe and water outlet pipe goes out insulation plug, connect triple valve (9) intake-outlet, the water inlet of triple valve (9) is through water pipe (102), water inlet (43) and quantitative bucket (48) are connected, and the delivery port of triple valve (9) is connected through outlet pipe (113) and Water outlet (114).

4. heat preservation electric heating vacuum flask as claimed in claim 1, after it is characterized in that described air inlet-outlet pipe goes out insulation plug, by pipeline (27), (28), (115) and lead vapour seat (107) and drainpipe (90) is connected, lead on vapour seat (107) and closed type manual reset temperature controller (110) and steam-type automatic power-off switch (105) are housed, the operating temperature of steam-type automatic power-off switch is 75 DEG C ~ 80 DEG C, and closed type manual reset temperature controller operating temperature is 83 DEG C ~ 88 DEG C.

5. heat preservation electric heating vacuum flask as claimed in claim 1, is characterized in that described glass liner material is glass or stainless steel.