CN201087806Y

CN201087806Y - Electric water heater with emergency water supply function

Info

Publication number: CN201087806Y
Application number: CNU200620129278XU
Authority: CN
Inventors: 谭秋平
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-05
Filing date: 2006-08-05
Publication date: 2008-07-16
Anticipated expiration: 2016-08-05

Abstract

The utility model relates to an electric water heater with the function of emergency water supply, which increases a switch valve on a water-storage electric water heater. The switch valve is composed of a valve body, a rotating shaft, a handle, a fixed valve plate, a dynamic valve plate, a pipe, etc., and the seal surfaces of the fixed valve plate and the dynamic valve plate are provided with nozzles connected with a water supply pipe, a water heater inlet pipe, a water heater outlet pipe, a cold water inlet pipe of a mixing vale, a hot water inlet pipe of the mixing valve and an air hole. Grooves which can rotate and switch and channels are connected with the nozzles. When the switch valve turns to the working position of the emergency water supply, the water heater inlet pipe is connected with the mixing valve, and the water heater outlet pipe is connected with the air hole. Because a water nozzle is lower than the air hole, under the function of water level difference, the external air passes the water heater outlet pipe to enter the water heater, and the water stored in the water passes the mixing valve to be used for the emergency through the water nozzle.

Description

Electric heater with Emergency water supply function

Affiliated technical field

The utility model relates to a kind of water-storage electric heater, especially has the electric heater of Emergency water supply function.

Background technology

Existing water-storage electric heater mostly is a closed electrical water heater, and stored water can not be emitted use in the water heater when tap water cut-off, and the user is caused all inconvenience.It has been recognized that this point at present, and attempt to solve.As number of patent application is 02138150.X, patent name (is seen Intellectual Property Right Bureau of the RPC for the patent of invention of " for the positive displacement electric heater increases tank function ", the application for a patent for invention prospectus), solved the problem of taking water when cutting off the water, in its technical scheme, must open the water nozzle valve during water intaking at every turn, and open the by-passing valve that it increased simultaneously, fetch water from by-passing valve, the user that water complicated operation like this, and changed the water intaking position simultaneously, locellus are installed water nozzle can only arrive water heater and adorn the by-passing valve place and fetch water, make troubles to water, special water nozzle is forgotten that closing closes to cause and is metalled run out when running water resumes water supply.

Summary of the invention

In order to overcome water-storage electric heater when the tap water cut-off, its water of storing can not be released use, with existing invention deficiency such as water intaking inconvenience when cutting off the water, the utility model provides a kind of water-storage electric heater, this electric heater is when cutting off the water, and the water that can easily inner container of electric water heater be stored is emitted use.

The technical scheme that its technical problem that solves the utility model adopts is: increase switching valve in water heater, switching valve is made up of valve body, rotating shaft, handle, fixed valve plate, moving valve plate, pipeline etc., on the sealing surface of fixed, moving valve plate, be provided with the mouth of a river that connects running water pipe, water heater inlet tube and outlet tube, mixed water valve hot water or cold water water inlet pipe, passage, rotatable groove that switches and channel connection arranged with filling pipe end; When switching valve is in the normal water supply position, the heater inleting pipe is communicated with running water pipe, water heater outlet is communicated with mixed water valve, when switching valve goes to the Emergency water supply position, the heater inleting pipe is communicated with the water of storing in mixed water valve, the water heater and emits through water nozzle by mixing water valve, water heater outlet is communicated with passage, and outside air replenishes into water heater through water heater outlet.

The beneficial effects of the utility model are, when tap water cut-off, as long as switching valve is converted to the Emergency water supply position, the user can be at any time from the water nozzle water intaking, but locellus is installed user's locellus water intaking of water nozzle, can not cause and metal run out.Need only when running water resumes water supply and convert switching valve to the normal water supply position.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Schematic diagram when Fig. 1 is in the normal water supply position for switching valve.

Schematic diagram when Fig. 2 is in the Emergency water supply position for switching valve.

Fig. 3 is an embodiment of this case, and it is the cutaway view of switching valve structure.

Fig. 4 is the vertical view of switching valve moving valve plate 15 shown in Figure 3.

Fig. 5 is the mouth of a river shape and the position of the sealing surface of switching valve fixed valve plate 22 shown in Figure 3.

Fig. 6, Fig. 7, Fig. 8 are the mouth of a river of switching valve dynamic and static valve block when the different operating position and the position view of recess channels.

Fig. 9 mixes the vertical view of water valve rotating shaft 14 and curved pawl 13 shapes for conversion.

Fig. 1 is the schematic diagram of switching valve in the normal water supply position, when switching valve during in the normal water supply position, pass through switching valve, running water pipe 7 removes through heater inleting pipe 2 and enters water heater liner 1, also enter and mix water valve 9 by pipeline 10, hot water in the water heater enters mixed water valve 9 through pipeline 3 and pipeline 11, supply water nozzle 12 after mixing water.This moment, breather pipe 4 was cut off.

Fig. 2 is the schematic diagram of switching valve in the Emergency water supply position, running water pipe 7 is cut off, mixing water valve cold feed path 10 also is cut off, by switching valve 5, breather pipe 4 connects the outlet pipe 3 of water heater liner, and the water inlet pipe 2 of water heater liner is communicated with mixed water valve 9 and water nozzle 12, because the water nozzle position is low, under the effect of water-head, the water of water heater liner flows out from water nozzle; Air in the atmosphere replenishes into water heater through breather pipe 4 and water heater liner outlet pipe 3.At this moment running water pipe 7 is cut off, and prevents from that running water from resuming water supply to cause to metal run out.

The specific embodiment

Fig. 3 is the cutaway view of an embodiment switching valve of this case.Handle 33 connects rotating shaft 13, and rotating shaft 13 embeds in the groove of moving valve plate 15 by curved pawl 14.Handle 33 rotates and drives moving valve plate 15 rotations.Wherein 16 is the straight type recess channels of moving

valve plate

15, and 21 is its arc groove passage.Quiet valve block 22 is fixing with valve body 20 by guide 17, prevents its rotation.Dynamic and static valve block contact plane is sealing, and the recess channels of moving valve plate connects the mouth of a river of quiet valve block.18,23 pipeline connects hot water inlet pipe and the water heater liner outlet pipe that mixes water valve respectively.All parts are pressed in the valve body by valve gap 19 in the valve body, and 24,25,26 is the spacing block of switching valve, spring and button.Mixing the water valve part does not relate to because of this figure of genus current techique gives.

Fig. 4 is the vertical view of moving valve plate 15, and wherein 27 is the groove that cooperates with the curved pawl 14 of rotating shaft, has four, and 16 and 21 is straight type recess channels and the arc groove channel shape that cooperates with fixed valve plate.

Fig. 5 is the vertical view of fixed valve plate 22, mainly expresses the shape and the position at the mouth of a river that cooperates with moving valve plate; 34 is that breather pipe passway, 30 is water heater liner delivery port for mixing water valve hot water mouth, 29 for mixing water valve cold water outlet, 32 for water heater liner water inlet, 28 for the mouth of a river from the beginning, 31.

When Fig. 6 is in the normal water supply position for switching valve, the mouth of a river and the channel position figure of fixed valve plate 22 and moving valve plate 15, curved channel 21 is communicated with the water heater liner water inlet pipe mouth 32 and the mixed water valve cold water mouth of pipe 31 at the mouth of a river 30 from the beginning at this moment; The straight shape channel connection water heater liner effluent pipe mouth 29 and the mixed water valve hot water mouth of pipe 28.This moment, running water entered water heater and mixed water valve by switching valve, and the hot water of water heater outlet enters by switching valve and mixes the water valve hot water inlet.

The mouth of a river and the channel position figure of fixed valve plate 22 and moving valve plate 15 when Fig. 7 is in cut-off state for switching valve, remove water heater liner water inlet pipe mouth 32 this moment and the mixed water valve cold water mouth of pipe 31 communicates, and all end at all the other mouths of a river.

When Fig. 8 is in the Emergency water supply position for switching valve, the mouth of a river and the channel position figure of fixed valve plate 22 and moving valve plate 15, curved channel 21 connects the water heater liner water inlet pipe mouth 32 and the mixed water valve hot water mouths of pipe 28 at this moment, and straight shape passage 16 connects water heater liner effluent pipe mouth 29 and breather pipe passwaies 34.

Claims

1. electric heater with Emergency water supply function, it is characterized in that: in water heater, increase switching valve, switching valve is made up of valve body, rotating shaft, handle, fixed valve plate, moving valve plate, pipeline etc., on the sealing surface of fixed, moving valve plate, be provided with the mouth of a river that connects running water pipe, water heater inlet tube and outlet tube, mixes water valve hot water or cold water water inlet pipe, passage, rotatable groove that switches and channel connection arranged with filling pipe end; When switching valve went to the Emergency water supply position, water heater outlet was communicated with passage, and outside air replenishes into water heater through water heater outlet, and the heater inleting pipe is communicated with mixed water valve, the interior water of storing of water heater is emitted the anxious use of supply by mixing water valve through water nozzle.