CN2351704Y - Kitchen electric water heater - Google Patents

Abstract

The utility model discloses a kitchen electric water heater, comprising an outer shell, a heat insulating layer, a water inlet and a water outlet pipes, an electric heating pipe and an inner lining, wherein, the inner lining forms an elliptical sealing head accumbent cylinder body shape, and the bottom of the inner lining extends out of the inner lining and is provided with a blowdown pipe, wherein, the tail end of which is provided with a blowdown pipe end valve. The outer handwheel of the valve is installed on a buckling plate doorway on the lower part of the outer shell, and the valve core of the valve is a T-shaped tunnel type valve core; a discharging sealing chamber is formed by a core column sealing plugging ring and a middle sealing ring, and a T-shaped tunnel and the discharging sealing chamber are utilized to discharge dirt. The utility model has the advantages of easy control, good sealing tightness and convenient and safe use, and the utility model is additionally provided with the electric leakage protector of the electric heating pipe, being more favorable to safe use.

Description

The kitchen electric heater

The utility model relates to the improvement of electric heater, specifically is a kind of kitchen electric heater, and it belongs to household electrical appliance technical field.

Commercially available electric heater is varied, yet few with the supporting water heater of kitchen tools or the sales counter of washing one's face.In the long-term use of existing water heater, can produce many incrustation scales in its water heater container.These precipitation of scales things such as untimely eliminating certainly will influence and add thermal effect.Therefore water heater is necessary to set up blowoff valve.Yet existing valve, volume is big, and handwheel is excessive, and control inconvenience causes in limited water heater housing the bigger valve of this volume can't be installed.The raising that adds thermal effect of the critical component of electric heater---electric heating tube and the reinforcement of earth leakage protective performance also are one of problems of needs solution.

The purpose of this utility model is that a kind of kitchen electric heater will be provided.This device is supporting with the kitchen tools in kitchen, can be directly installed in the kitchen or under the platform of washing one's face, the inner bag volume will be tried one's best greatly, and withstand voltage, and sewage disposal facility is arranged, and in time gets rid of dirt, and the earth leakage protective facility is arranged, and is safe in utilization, can long run supply hot water.

Task of the present utility model has following technical scheme to finish, developed a kind of kitchen electric heater, it comprises: ornamental square shell, heat-insulation layer, inlet tube and outlet tube, the inner bag that comprises heating tube, described inner bag is ellipse head simplified shape for sleeping in, and the appropriate position, bottom is provided with the blow-off pipe that stretches out outside the courage in this courage cylindrical shell, and the end of this pipe is provided with the blowdown Pipe terminal valve, the outer hand wheel of this valve and end-of-the-pipe thereof just in time are located at the buckle doorway of the lower housing portion of decorative shell; Be provided with the electric heating tube mounting flange on the appropriate location of Lower Half in this courage cylinder chamber, this dish is gone up insulation and is fixed with the electric heating tube that stretches in the courage.

This kitchen electric heater, described Pipe terminal valve, it comprises: valve chest and spool, on the cavity inner wall of valve chest two ends, respectively be provided with one section internal thread, wherein one section internal thread is connected on the pipe end pedestal of pipeline, another section internal thread is connected with the tunnel type spool, the non-threaded stem stem end of this spool is provided with valve end ring support, the stifled circle of the intrinsic sealing of cover on this ring support, should block up circle can be with the styletable external screw thread of this spool, in the valve chest cavity, move, and can advance to compress or fall back and break away from the seat of pipe end pedestal mouthful, thereby constituted closing or the breakdown state of this valve.

This kitchen electric heater, described tunnel type spool, it is by non-threaded stem stem end, valve end ring support, the stifled circle of sealing, "T"-shaped tunnel, the middle part sealing ring, stem stem end external screw thread and outer hand wheel constitute, and wherein the radially through hole in "T"-shaped tunnel is on position between valve end ring support on the stem stem body and the middle part sealing ring, and the axial passage in this tunnel is the blow-off pipe of this spool directly; The gabarit of this middle part sealing ring is just in time sealed close between the chamber wall of this spool and valve chest middle part cavity projection, has promptly constituted the discharging closed chamber by stifled circle of sealing and middle part sealing ring; Outside the axial passage in the "T"-shaped tunnel of stem stem beyond this chamber, casting is solid at stem stem end external screw thread and outer hand wheel.

This kitchen electric heater, described valve chest, it has on the cavity inner wall of two ends internal thread and the middle part cavity projection, on the valve casing body wall on this cavity projection next door, be provided with caging bolt, this bolt is worn wall from the valve chest outer radial and is fixed on the position concordant with this cavity projection, thereby constitutes the location that stops behind this spool disengaging pipe end pedestal.

This kitchen electric heater, described outer hand wheel, it takes turns the diameter that the gabarit diameter can be equal to or slightly less than valve chest, and wheel gabarit surface is provided with the rib of projection.

This kitchen electric heater, described electric heating tube, the electric wire filament is equipped with in insulation in the curved sleeve pipe of its " U " shape, and the flexure plane at this curved sleeve pipe place and this courage cylindrical shell cylinder are complementary, and this electric heating tube turns on the power supply by the outer earth leakage protective device of ring flange.

Electric heater of the present utility model, its advantage is: skilful little exquisite owing to designed the square housing, can be placed in the kitchen tools of kitchen easily or under the platform of washing one's face.Owing to designed the inner bag that ellipse head crouches cylindrical shell shape, made inner bag be and be stressed greatly that volume is big, is beneficial to scrubbing.Because the appropriate position, bottom is provided with and stretches out the outer blow-off pipe of courage in this courage cylindrical shell, this pipe end is provided with special-purpose blowdown Pipe terminal valve again, and the place, buckle doorway that the outer hand wheel of this valve and end-of-the-pipe thereof also are installed in lower housing portion can open buckle door grafting blowdown flexible pipe easily, turn on outer hand wheel and get final product blowdown, so just guarantee that heat-transfer effect improves the service life of having improved water heater.Because earth leakage protective device has been installed, the danger of getting an electric shock that can prevent to leak electricity takes place.

Embodiment of the present utility model is described below in conjunction with the accompanying drawings:

Fig. 1 is a kitchen electric heater blowdown Pipe terminal valve sectional structure chart (closed condition).

Fig. 2 is a kitchen electric heater blowdown Pipe terminal valve sectional structure chart (breakdown state).

Fig. 3 is a kitchen electric heater structure sectional side elevation.

Fig. 4 is the cross-sectional figure of kitchen electric heater structure.(the A-A cutaway view of Fig. 3).

Referring to Fig. 1-4, this kitchen electric heater includes: ornamental square shell 18, and heat-insulation layer 19, water inlet pipe 20, outlet pipe 21 comprises the inner bag 25 of heating tube 22.Wherein inner bag 25 is ellipse head cylindrical shell shape for sleeping in.The appropriate position, bottom is provided with the blow-off pipe 24 that stretches out outside the courage in these courage 25 cylindrical shells.The end of this pipe 24 is provided with blowdown Pipe terminal valve 27.The outer hand wheel 14 of this valve 27 and end-of-the-pipe 16 thereof just in time are located at buckle door (not drawing among the figure) mouth of the lower housing portion of decorative shell 18.On the appropriate location of these courage 25 cylindrical shell Lower Halves, be provided with electric heating tube 22 mounting flanges 23.Insulation is fixed with electric heating tube 22 on this dish 23.

The blowdown Pipe terminal valve 27 that this kitchen electric heater is taked, referring to Fig. 1-2, this Pipe terminal valve 27 comprises: valve chest 6 and spool 9.On valve chest 6 two ends cavity inner walls, respectively be provided with one section internal thread 3,3 ', wherein one section internal thread 3 is connected on the pipe end pedestal 2 of pipeline 1.Another section internal thread 3 ' be connected with tunnel type spool 9.The non-threaded stem stem end 11 of this spool 9 is provided with valve end ring support 5, the stifled circle 4 of the intrinsic sealing of cover on this ring support 5.Should can in the valve chest cavity, move with the styletable external screw thread 13 of this spool 9 by stifled circle, and can advance compress or the seat mouthful that breaks away from sub-pipe end pedestal 2 that falls back on, constituted closing or the breakdown state of this valve.

The tunnel type spool 9 of this Pipe terminal valve 27, it is by non-threaded stem stem end 11, valve end ring support 5, the stifled circle 4 of sealing, "T"-shaped tunnel 12, middle part sealing ring 7, stem stem end external screw thread 13 and outer hand wheel 14 constitute.The radially through hole 12 in wherein "T"-shaped tunnel 12 ' on position between valve end ring support 5 on the stem stem body and the middle part sealing ring 7.The axial passage 15 in this tunnel 12 directly turns on the end-of-the-pipe 16 of this spool 9.The gabarit of this middle part sealing ring 7 is just in time sealed close between the chamber wall of this spool 9 and valve chest 6 middle part cavity projectioies 17, has promptly constituted the discharging closed chamber by stifled circle 4 of sealing and middle part sealing ring 7.Outside the axial passage 15 in the "T"-shaped tunnel 12 of stem stem beyond this chamber, cast intrinsic stem stem end external screw thread 13 and outer hand wheel 14.The gabarit diameter of this handwheel 14 equals the diameter of valve chest 6, and this is taken turns the gabarit surface and is provided with protruding triangle decorative pattern, opens or closes with operated valve in order to manual handwheel.On the end-of-the-pipe 16 of this spool 9, patch scupper hose 10, incrustation scale can be removed.

The valve chest 6 that this Pipe terminal valve 27 is designed, its on the cavity inner wall of two ends, have internal thread 3,3 ' and middle part cavity projection 17, on the valve casing body wall on these cavity projection 17 next doors, be provided with caging bolt 8.This bolt 8 is worn wall from valve chest 6 outer radials and is fixed on the position concordant with this cavity projection 17, constitutes this spool 9 is broken away from the location that stops behind pipe end pedestals 2.

This Pipe terminal valve 27 is installed on blow-off pipe 24 roads of inner bag bottom of kitchen electric heater, and it is little to take up space, and blowdown is convenient, in time, rapidly.

Referring to Fig. 3-4, the electric heating tube 22 that this kitchen electric heater is adopted is " U " font.The electric wire filament is equipped with in insulation in the curved sleeve of its " U " font.Flexure plane that should the curved sleeve pipe place just in time curvature with the cylindrical shell cylinder of inner bag 25 is identical, heats up in order to heat medium rapidly.Be connected on the oval flange dish 23 in these electric heating tube 22 insulation, and connection has on earth leakage protective device 26 and the power switch 28, in order to safe in utilization.

Claims (6)

1, a kind of kitchen electric heater, it comprises: ornamental square shell, heat-insulation layer, inlet tube and outlet tube comprises the inner bag of heating tube, it is characterized in that: described inner bag is the ellipse head cylindrical shell shape of crouching, the appropriate position, bottom is provided with the blow-off pipe that stretches out outside the courage in this courage cylindrical shell, the end of this pipe is provided with the blowdown Pipe terminal valve, and the outer hand wheel of this valve and end-of-the-pipe thereof just in time are located at the buckle doorway of the lower housing portion of decorative shell; Be provided with the electric heating tube mounting flange on the appropriate location of Lower Half in this courage cylinder chamber, this dish is gone up insulation and is fixed with the electric heating tube that stretches in the courage.

2, according to the described kitchen of claim 1 electric heater, it is characterized in that: described Pipe terminal valve, it comprises: valve chest and spool, on the cavity inner wall of valve chest two ends, respectively be provided with one section internal thread, wherein one section internal thread is connected on the pipe end pedestal of pipeline, another section internal thread is connected with the tunnel type spool, the non-threaded stem stem end of this spool is provided with valve end ring support, the stifled circle of the intrinsic sealing of cover on this ring support, should block up circle can be with the styletable external screw thread of this spool, in the valve chest cavity, move, and can advance to compress or fall back and break away from the seat of pipe end pedestal mouthful, thereby constituted closing or the breakdown state of this valve.

3, kitchen according to claim 1 and 2 electric heater, it is characterized in that: described tunnel type spool, it is by non-threaded stem stem end, valve end ring support, the stifled circle of sealing, "T"-shaped tunnel, the middle part sealing ring, stem stem end external screw thread and outer hand wheel constitute, and wherein the radially through hole in "T"-shaped tunnel is on position between valve end ring support on the stem stem body and the middle part sealing ring, and the axial passage in this tunnel is the blow-off pipe of this spool directly; The gabarit of this middle part sealing ring is just in time sealed close between the chamber wall of this spool and valve chest middle part cavity projection, has promptly constituted the discharging closed chamber by stifled circle of sealing and middle part sealing ring; Outside the axial passage in the "T"-shaped tunnel of stem stem beyond this chamber, casting is solid at stem stem end external screw thread and outer hand wheel.

4, kitchen according to claim 1 and 2 electric heater, it is characterized in that: described valve chest, it has on the cavity inner wall of two ends internal thread and the middle part cavity projection, on the valve casing body wall on this cavity projection next door, be provided with caging bolt, this bolt is worn wall from the valve chest outer radial and is fixed on the position concordant with this cavity projection, thereby constitutes the location that stops behind this spool disengaging pipe end pedestal.

5, kitchen according to claim 1 and 2 electric heater is characterized in that: described outer hand wheel, and it takes turns the diameter that the gabarit diameter can be equal to or slightly less than valve chest, and wheel gabarit surface is provided with the rib of projection.

6, kitchen according to claim 1 electric heater; it is characterized in that: described electric heating tube; the electric wire filament is equipped with in insulation in the curved sleeve pipe of its " U " shape; flexure plane and this courage cylindrical shell cylinder that should bend the sleeve pipe place are complementary, and this electric heating tube turns on the power supply by the outer earth leakage protective device of ring flange.

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