CN204153963U

CN204153963U - Water heater

Info

Publication number: CN204153963U
Application number: CN201420009295.4U
Authority: CN
Inventors: 江渝; 王明; 韩宝东; 张庆堂; 曲绍鹤; 吴树勇
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2014-01-07
Filing date: 2014-01-07
Publication date: 2015-02-11
Anticipated expiration: 2024-01-07

Abstract

The utility model discloses a kind of water heater, comprising: shell, inner bag, exhaust adjutage, blow-off pipe and exhaust discharging valve.Described inner bag is located in described shell; Described exhaust adjutage is located on described inner bag, and the upper end of described exhaust adjutage extends in described inner bag, and described inner bag is stretched out in the lower end of described exhaust adjutage; Described blow-off pipe is connected with described inner bag; Described exhaust discharging valve is used for discharging water in described inner bag and/or being vented, and described exhaust discharging valve is located at the lower end of described exhaust adjutage.According to water heater of the present utility model, avoid the problem causing water to enter inner bag difficulty because the air pressure in inner bag is too high, be convenient to the use of water heater, and in the normal use procedure of water heater, exhaust adjutage can use as going out water passage, easy to use.

Description

Water heater

Technical field

The utility model relates to household electrical appliance preparing technical field, more specifically, relates to a kind of water heater.

background technology

Electric heater needs after using a period of time to carry out blowdown, and the water in blowdown process in electric heater should not be discharged.

utility model content

The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.

For this reason, an object of the present utility model be to propose that a kind of structure is simple, easy to use, the water heater of draining and exhaust common pall and valve body.

According to water heater of the present utility model, comprising: shell, inner bag, exhaust adjutage, blow-off pipe and exhaust discharging valve.Described inner bag is located in described shell; Described exhaust adjutage is located on described inner bag, and the upper end of described exhaust adjutage extends in described inner bag, and described inner bag is stretched out in the lower end of described exhaust adjutage; Described blow-off pipe is connected with described inner bag; Described exhaust discharging valve is used for discharging water in described inner bag and/or being vented, and described exhaust discharging valve is located at the lower end of described exhaust adjutage.

According to water heater of the present utility model, water heater arranges exhaust adjutage and exhaust discharging valve, when needing to release the hot water in inner bag, exhaust discharging valve can be controlled the hot water in inner bag is released, when air pressure in water heater is too high, exhaust discharging valve can be controlled inner bag is exhausted.Thus, in inner bag during water filling, water can be made to enter rapidly in inner bag, avoid the problem causing water to enter inner bag difficulty because the air pressure in inner bag is too high, be convenient to the use of water heater, and in the normal use procedure of water heater, exhaust adjutage can use as going out water passage, easy to use.In addition, the degassing function of water heater is integrated on adjutage, simplifies the structure of water heater, reduce the possibility that water heater leaks.

In addition, according to water heater of the present utility model, following additional technical characteristic can also be had:

Described exhaust discharging valve is that air bleeding valve and discharging valve are combined to form.

Described air bleeding valve is one-way exhaust magnetic valve.

Described exhaust discharging valve comprises: body, described body has water inlet, delivery port, air inlet and gas outlet, described water inlet can be communicated with described delivery port and forms drainage channel, described air inlet can be communicated with described gas outlet and forms exhaust passage, and described water inlet is communicated with described adjutage respectively with described air inlet; The moving parts being communicated with at least one in exhaust passage for making drainage channel or disconnecting, described moving parts is located in described body; And control the control piece of described moving parts motion.

Described water inlet and air inlet share a port and are connected with the lower end of described exhaust adjutage.

Described moving parts comprises: push rod, and described push rod is arranged in described body, and described push rod is formed as the shaft-like of hollow, and one end of described push rod is closed, and the other end opens wide; Elastic component, described elastic component to be located in described push rod and to be connected with one end of described push rod; Soup stick, one end of described soup stick is stretched into described push rod and is connected with described elastic component; Sealing ring, described sealing ring is located on the other end of described soup stick, and the other end of described breather pipe closed by described sealing ring when described moving parts is positioned at the described second place; And control valve, described control valve to be located in described body and to be positioned at the periphery of described push rod, and it is removable in described push rod that described control valve controls described soup stick.

Described moving parts also comprises: skeleton, and described skeleton is located on the other end of described soup stick, and described sealing ring is arranged on described skeleton.

Described exhaust discharging valve and described exhaust adjutage are threaded connection.

The roof of the contiguous described inner bag in upper end of described exhaust adjutage is arranged.

The upper end of described exhaust adjutage is formed with arc fold bending.

Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.

accompanying drawing explanation

Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:

Fig. 1 is the profile of the water heater according to the utility model embodiment;

Fig. 2 is the profile of another angle of water heater according to the utility model embodiment;

Fig. 3 is the structural representation of the exhaust discharging valve of water heater according to the utility model embodiment;

Fig. 4 is the front view of the exhaust discharging valve of water heater according to the utility model embodiment;

Fig. 5 is the side view of the exhaust discharging valve of water heater according to the utility model embodiment;

Fig. 6 is the profile of the exhaust discharging valve of water heater according to the utility model embodiment;

detailed description of the invention

Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.

In description of the present utility model, it will be appreciated that, term " " center ", " length ", " width ", " thickness ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.

The water heater according to the utility model embodiment is specifically described below in conjunction with accompanying drawing.

As shown in Figures 1 to 6, comprise according to the water heater 60 of the utility model embodiment: shell 61, inner bag 62, exhaust adjutage 63, blow-off pipe 64 and exhaust discharging valve 66.

Specifically, as depicted in figs. 1 and 2, inner bag 62 is located in shell 61, and exhaust adjutage 63 is located on inner bag 62, and the upper end of exhaust adjutage 63 extends in inner bag 62, and inner bag 62 is stretched out in the lower end of exhaust adjutage 63.Blow-off pipe 64 is connected with inner bag 62, can discharge the sewage in inner bag 62 by blow-off pipe 64, and exhaust discharging valve 66 is located at the lower end of exhaust adjutage 63, and exhaust discharging valve 66 for discharging water and/or being vented in inner bag 62.

According to the water heater of the utility model embodiment, water heater 60 arranges exhaust adjutage 63 and exhaust discharging valve 66, when needing to release the hot water in inner bag 62, can control exhaust discharging valve 66 makes the hot water in inner bag 62 release, when air pressure in water heater 60 is too high, exhaust discharging valve 66 pairs of inner bags 62 can be controlled and be exhausted.Thus, to in inner bag 62 during water filling, water can be made to enter in inner bag 62 rapidly, avoid the problem causing water to enter inner bag 62 difficulty because the air pressure in inner bag 62 is too high, be convenient to the use of water heater 60, and in the normal use procedure of water heater 60, exhaust adjutage 63 can use as going out water passage, easy to use.In addition, the degassing function of water heater is integrated on adjutage, simplifies the structure of water heater, reduce the possibility that water heater leaks.

It should be noted that, the water heater according to the utility model embodiment is also provided with water inlet pipe 65, and exhaust adjutage 63 is communicated with the water flowing out structure such as jet pipe, shower nozzle.When water heater 60 normally uses, water inlet pipe 65 is intake, and exhaust discharging valve 66 is as going out water passage, and the jet pipe be communicated with exhaust adjutage 63 can open water outlet.After water heater 60 uses a period of time, need to clean it, after cleaning, the sewage in inner bag 62 is discharged.

After inner bag 62 is cleaned, close blow-off pipe 64, open water inlet pipe 65 and intake to water heater 60.Now, owing to being filled with air in inner bag 62, along with entering of water, the air pressure in inner bag 62 will be increased, water inlet pipe 65 difficult water injection will be caused.Now, the exhaust passage of opening exhaust discharging valve 66 makes the gas in inner bag 62 discharge, avoid the air pressure in inner bag 62 too high, thus make water can be full of inner bag 62 smoothly fast, after in water heater 60, water is filled, the exhaust channel controlling exhaust discharging valve 66 is closed, and normal operating conditions replied by water heater 60.

In the water heater 60 of prior art, usually do not arrange for controlling the structure be vented, the water heater of the utility model embodiment, not only can control the exhaust of water heater 60, and this exhaust discharging valve 66 is arranged on exhaust adjutage 63, will water passage be gone out and exhaust channel is combined, do not need on water heater 60, to arrange interface or pipeline in addition, easy to assembly, with low cost, and avoid the phenomenon increasing interface and easily occur bad connection and leak.

According to an embodiment of the present utility model, described exhaust discharging valve 66 is combined to form for air bleeding valve and discharging valve.Thus, be convenient to water heater exhaust and discharge water.

Further, described air bleeding valve is one-way exhaust magnetic valve.Thus, avoid the impurity such as the dust in air to enter in water heater from intake valve, the water in water heater is cleaned.

Consider exhaust adjutage 63 on be provided with exhaust discharging valve 66, in water heater 60 water inlet process, need the gas passage of opening exhaust discharging valve 66 to discharge the gas in inner bag 62, in order to ensure that water heater 60 only can discharge the gas in inner bag 62 in water inlet process, and water can not be discharged, alternatively, according to an embodiment of the present utility model, the roof of the contiguous inner bag 62 in upper end of exhaust adjutage 63 is arranged.Correspondingly, the height of the upper end of water inlet pipe 65 is less than the height of the upper end of exhaust adjutage 63.

In other words, exhaust adjutage 63 and one end of inner bag 62 conducting extend into the top of inner bag 62 always, the water level entering the water of inner bag 62 from water inlet pipe 65 rises gradually, water level in uphill process by the gas in inner bag 62 upwardly with from exhaust adjutage 63 upper end discharge, and when the water level in inner bag 62 does not arrive the top end opening position of exhaust adjutage 63, the gas in inner bag 62 can only be discharged, and do not have water discharge from exhaust adjutage 63.Thus, water heater 60 blowdown and water inlet the carrying out smoothly of process can be ensured.

In addition, be understandable that, the upper end of exhaust adjutage 63 is arranged on the position of the roof of contiguous inner bag 62, when the normal water outlet of water heater 60, water inlet pipe 65 is also in open mode, and the water in inner bag 62 is discharged from exhaust adjutage 63 by the water in inner bag 62 hydraulic pressure that inner bag 62 produces by the water in water inlet pipe 65, thus make the water in whole inner bag 62 be running water, is unfavorable for the deposition of dirt.Therefore, according to an embodiment of the present utility model, the upper end of exhaust adjutage 63 is formed with arc fold bending.Thus, by arranging arc fold bending, can the water outlet of easy to exhaust adjutage 63.

Concrete structure about exhaust discharging valve 66 is then not particularly limited, there is exhaust passage and exhalant canal to realize exhaust adjutage 63 and be vented and the requirement of water outlet as long as meet, alternatively, as shown in Figures 3 to 6, according to an embodiment of the present utility model, exhaust discharging valve 66 comprises: the control piece of body 10, moving parts and controlled motion component movement.

Specifically, body 10 is provided with water inlet 11 and delivery port 12, and water inlet 11 can be communicated with delivery port 12 and forms drainage channel.Body 10 is also provided with air inlet 13 and gas outlet 14, air inlet 13 can be communicated with gas outlet 14 and forms exhaust passage.Moving parts is located in body 10, and moving parts is used for making drainage channel be communicated with exhaust passage or disconnect.

Thus, according to the exhaust discharging valve 66 of the utility model embodiment, by the valve of exhaust will be controlled together with the valve combination of control water outlet, and controlled the opening and closing of this exhaust discharging valve 66 by moving parts, and achieve water heater 60 and be vented and the automatic control of water outlet; In addition, discharging valve 66 will be vented combine with water-through valve, improve the integrated level of valve, decrease and need the valve of assembling and the assembling of pipeline, the Assembly interface of water heater 60 can be made to tail off, not easily there is many bad connections and drainage when producing in enormous quantities, and improve efficiency of assembling, reduce preparation cost.

Particularly, when water heater 60 normally works, intake from water inlet pipe 65, air inlet 13 and gas outlet 14 disconnect, water inlet 11 and delivery port 12 conducting, normal water outlet in exhaust adjutage 63, and blow-off pipe 64 cuts out; When needs carry out blowdown process to water heater 60, close the switch be connected with jet pipe, the current in water inlet 11 and delivery port 12 are static, open blow-off pipe 64 and carry out blowdown; After blowdown completes, close blow-off pipe 64, control brake assemblies makes air inlet 13 be communicated with gas outlet 14, open water inlet pipe 65 to intake to water heater 60, air in water heater 60 is discharged by the water entering water heater 60 from exhaust discharging valve 66, after in water heater 60, water is filled, controlled motion assembly makes air inlet 13 and gas outlet 14 disconnect, and normal operating conditions replied by water heater 60.

According to an embodiment of the present utility model, water inlet 11 shares a port with air inlet 13 and is connected with the lower end of exhaust adjutage 63.In other words, water inlet 11 both can as exhaust discharging valve 66 water inlet, again can as air inlet.Thus, water inlet 11 and air inlet 13 are incorporated into same port be exhausted or draining, exhaust and drainage procedure do not produce conflict, all can normally carry out, ensureing, under the prerequisite that the function of exhaust discharging valve 66 can realize, to further reduce the number of ports of exhaust discharging valve 66, decrease the arrangement of water heater upper pipeline simultaneously, improve efficiency of assembling, reduce preparation cost.

On exhaust discharging valve 66, the arrangement relation of each port can carry out reasonable adjusting according to the structure of water heater, alternatively, according to an embodiment of the present utility model, angle between the axis of water inlet 11 and the axis of delivery port 12 is 90 °, and air inlet 13 and gas outlet 14 conducting are formed as straight tube-like path.That is, be substantially formed as L shape structure between water inlet 11 and delivery port 12, be communicated with between air inlet 13 with gas outlet 14 and be formed as through-type structure.Thus, between the water inlet 11 of the exhaust discharging valve 66 of this structure and delivery port 12, the straight length of assembling is minimum, also minimum on the impact of the structure of the anti-electricity wall shell of water heater 60, be convenient to assembling, air inlet 13 can be vented rapidly with the through-type structure of gas outlet 14, ensures the normal operation of water heater.And the exhaust discharging valve 66 production and processing ratio of this structure is easier to, and can reduce difficulty of processing, cut down finished cost.

In embodiment of the present utility model, exhaust discharging valve 66 is by control piece controlled motion assembly, thus realize the exhaust of water heater 60, wherein said control piece can for being located at the switch or automatic program etc. on water heater 60, this structure is appreciated that to those skilled in the art and easily realizes, and therefore repeats no more.

As shown in Figure 6, according to an embodiment of the present utility model, the breather pipe 15 that cross section is formed as annular is provided with between air inlet 13 and gas outlet 14, the axis of breather pipe 15 respectively with the axes normal of air inlet 13 and delivery port 12, the outer shroud of breather pipe 15 and air inlet 13 conducting, one end of breather pipe 15 is closed, the other end and gas outlet 14 conducting.When moving parts is positioned at primary importance, the other end of breather pipe 15 opens wide and gas outlet 14 conducting, the other end of closed vent pipe 15 when moving parts is positioned at the second place.That is, the right-hand member of breather pipe 15 is closed, and moving parts is located at the left end of breather pipe 15, and the left end of closed vent pipe 15 when moving parts moves right the second place, breather pipe 15 and gas outlet 14 disconnect; When moving parts is to left movement, the left end of breather pipe 15 opens wide, breather pipe 15 and gas outlet 14 conducting.

Particularly, when water heater needs exhaust, gas in water heater flows into exhaust discharging valve 66 from air inlet 13, flow into the gas of exhaust discharging valve 66, first flow into cross section and be formed as in the breather pipe 15 of annular, controlled motion component movement is to primary importance, moving parts is away from the left end of breather pipe 15, the left end of breather pipe 15 opens wide, and breather pipe 15 and gas outlet 14 conducting, gas is discharged from gas outlet 14.After water heater has been vented, controlled motion assembly is positioned at the second place, the two ends of breather pipe 15 are all closed, gas in air inlet 13 can only rest in breather pipe 15 after flowing to breather pipe 15, can not flow in gas outlet 14, now, the gas circuit of water heater 60 disconnects, and water heater 60 can not be vented.

Thus, by arranging breather pipe 15 between air inlet 13 and gas outlet 14, moving to open wide in the lateral direction or the left end of closed vent pipe 15 by controlled motion assembly, can realize being vented being turned on or off of discharging valve 66, simple and reasonable, it is convenient to control.

Concrete structure about moving parts is not particularly limited, as long as it meets can make air inlet 13 and gas outlet 14 conducting when being positioned at primary importance, the requirement that air inlet 13 and gas outlet 14 disconnect is made when being positioned at the second place, alternatively, according to an embodiment of the present utility model, moving parts comprises: push rod 31, elastic component 32, soup stick 33, sealing ring 34 and control valve 35.

Particularly, as shown in Figure 6, push rod 31 is arranged in body 10, push rod 31 is formed as the shaft-like of hollow, and one end of push rod 31 is closed, the other end opens wide, elastic component 32 to be located in push rod 31 and to be connected with one end of push rod 31, one end of soup stick 33 is stretched into push rod 31 and is connected with elastic component 32, sealing ring 34 is located on the other end of soup stick 33, the other end of sealing ring 34 closed vent pipe 15 when being positioned at the second place, control valve 35 to be located in body 10 and to be positioned at the periphery of push rod 31, and it is removable in push rod 31 that control valve 35 controls soup stick 33.

Have a cavity 36 being suitable for holding push rod 31 in body 10, push rod 31 is located in cavity 36, and the left end of elastic component 32 is connected with the left end of push rod 31, and the right-hand member of elastic component 32 is connected with the left end of soup stick 33.When control valve 35 makes moving parts be in primary importance, soup stick 33 is positioned at the left end of cavity 36, and elastic component 32 is compressed, and the left end of breather pipe 15 is in open mode, and gas can flow to gas outlet 14 from air inlet 13.When control valve 35 makes moving parts move to the second place, the active force of control valve 35 pairs of soup sticks 33 disappears, resetted in the presence of a tensile force by the elastic component 32 compressed, and promote soup stick 33 and move right, soup stick 33 is positioned at the right-hand member of cavity 36, the other end of the sealing ring 34 meeting closed vent pipe 15 be connected with soup stick 33, air-flow can be blocked.Thus, the moving parts of this structure controls conveniently, coordinates simple.

Selection about elastic component 32 is not particularly limited, and alternatively, elastic component 32 can be spring.The concrete structure of control valve 35 and soup stick 33 is also not specifically limited, soup stick 33 can be driven under the control action of control piece to left movement as long as meet control valve 35, alternatively, according to an embodiment of the present utility model, control valve 35 is magnetic valve, and soup stick 33 is magnetic absorption member.Particularly, when control valve 35 is energized, control valve 35 can attract soup stick 33 to left movement, and elastic component 32 is compressed, and during control valve 35 power-off, elastic component 32 removes compressive state, and soup stick 33 moves right.Thus, magnetic valve, by controlling the signal of telecommunication, realizes long-range, electronic manipulation, and the degree of the auto-control of exhaust discharging valve 66 is higher, controls more convenient.

Consider that sealing ring of the prior art adopts gum structure, valve body not opening for a long time, do not work or the soup stick pressure of valve body is excessive time, all to make in the inner ring of sealing ring embedding breather pipe 15 and stuck interior.In addition, after valve body longevity of service, the incrustation scale in water can make sealing ring stuck further, by continuing to carry out to electricity valve body, likely pulling soup stick, but now more easily making sealing ring be separated with soup stick, sealing ring may be blocked in breather pipe 15 completely, causes valve body entirety to be scrapped.

Therefore, according to an embodiment of the present utility model, moving parts also comprises: skeleton 37.Particularly, skeleton 37 is located on the other end of soup stick 33, and sealing ring 34 is arranged on skeleton 37.Thus, skeleton 37 can better support sealing ring 34, make sealing ring 34 stressed evenly, ensure the intensity of sealing ring 34, make it not easily stuck in breather pipe 15, ensure the safety in utilization of exhaust discharging valve 66, in addition, when soup stick 33 is in the second place, sealing ring 34 can better closed vent pipe 15, and the sealing function of sealing ring 34 is strengthened.

Material of preparing about skeleton 37 is then not particularly limited, as long as ensure to have certain intensity with the use needs of satisfied exhaust discharging valve 66.Alternatively, according to an embodiment of the present utility model, skeleton 37 is working of plastics or metalwork.

According to an embodiment of the present utility model, this exhaust discharging valve 66 also load module comprises: nut 21 and the first sealing ring 22.Particularly, nut 21 is installed in rotation on air inlet 13, and nut 21 is connected with exhaust adjutage 63, and the first sealing ring 22 is located in nut 21.Thus, rotating nut 21 can make air inlet 13 be connected with water heater 60, and the first sealing ring 22 can ensure water heater 60 and the sealing of the connection of air inlet 13, can make the better tightness between water heater 60 and air inlet 13.

It should be noted that, nut 21 is rotatably located on air inlet 13, that is, nut 21 is rotatable relative to exhaust discharging valve 66, when nut 21 is assembled with water heater 60, can control the delivery port 12 being vented discharging valve 66 towards constant, a rotating nut 21 can realize being vented the assembling of discharging valve 66 and water heater 60.Thus, the delivery port 12 of exhaust discharging valve 66 towards needing regulate according to the assembling of outer water tube, avoid the problem of directly rotating exhaust discharging valve 66 and not easily regulating with the direction of delivery port 12 in water heater 60 assembling mode, further facilitate assembling process.

In order to realize being rotatably connected of nut 21 and air inlet 13, alternatively, according to an embodiment of the present utility model, the exhaust discharging valve 66 for water heater 60 comprises: nut 40.Particularly, nut 40 is located in air inlet 13, air inlet 13 is stretched in one end of nut 40, the other end of nut 40 is provided with and stretches out along its circumference and to exceed the flange 401 of the outer peripheral face of air inlet 13, nut 21 is set on air inlet 13 and the internal perisporium of nut 21 is provided with the fin 211 extended internally, and flange 401 blocks fin 211 and limits nut 21 and departs from air inlet 13.That is, nut 21 is rotatably installed on air inlet 13 by nut 40, and after nut 21 with water heater 60 fitting tight, the pipeline on water heater 60 abuts the upper end of nut 40, the fin 211 on flange 401 clamp nut 21 of nut 40.Thus, the flange 401 of nut 40 blocks the fin 211 of nut 21, and nut 21 is more reliable with the connection of air inlet 13, and water heater 60 is more firm with the connection of air inlet 13.

Further, according to an embodiment of the present utility model, the internal perisporium of air inlet 13 is provided with internal thread, and nut 40 is threaded with air inlet 13, and is provided with the second sealing ring 50 between nut 40 and air inlet 13.Thus, nut 40 and air inlet 13 are threaded connection, and both connect closely, and nut 40 easily can be installed and removed from air inlet 13, thus can so that maintenance is replaced.And second sealing ring 50 can realize nut 40 and the sealing of air inlet 13 better, avoid the generation of drainage, the performance of water inlet break-make safety valve 10 is better.

According to the water heater of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.

In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.

Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.

Claims

1. a water heater, is characterized in that, comprising:

Shell;

Inner bag, described inner bag is located in described shell;

Exhaust adjutage, described exhaust adjutage is located on described inner bag, and the upper end of described exhaust adjutage extends in described inner bag, and described inner bag is stretched out in the lower end of described exhaust adjutage;

Blow-off pipe, described blow-off pipe is connected with described inner bag; And

For the exhaust discharging valve discharged water in described inner bag and/or be vented, described exhaust discharging valve is located at the lower end of described exhaust adjutage.

2. water heater according to claim 1, is characterized in that, described exhaust discharging valve is that air bleeding valve and discharging valve are combined to form.

3. water heater according to claim 2, is characterized in that, described air bleeding valve is one-way exhaust magnetic valve.

4. water heater according to claim 1, is characterized in that, described exhaust discharging valve comprises:

Body, described body has water inlet, delivery port, air inlet and gas outlet, described water inlet can be communicated with described delivery port and forms drainage channel, and described air inlet can be communicated with described gas outlet and forms exhaust passage, and described water inlet is communicated with described adjutage respectively with described air inlet;

The moving parts being communicated with exhaust passage for making drainage channel or disconnecting, described moving parts is located in described body; And

Control the control piece of described moving parts motion.

5. water heater according to claim 4, is characterized in that, described water inlet and air inlet share a port and be connected with the lower end of described exhaust adjutage.

6. water heater according to claim 4, is characterized in that, described moving parts comprises:

Push rod, described push rod is arranged in described body, and described push rod is formed as the shaft-like of hollow, and one end of described push rod is closed, and the other end opens wide;

Elastic component, described elastic component to be located in described push rod and to be connected with one end of described push rod;

Soup stick, one end of described soup stick is stretched into described push rod and is connected with described elastic component;

Sealing ring, described sealing ring is located on the other end of described soup stick; And

Control valve, described control valve to be located in described body and to be positioned at the periphery of described push rod, and it is removable in described push rod that described control valve controls described soup stick.

7. water heater according to claim 6, is characterized in that, described moving parts also comprises: skeleton, and described skeleton is located on the other end of described soup stick, and described sealing ring is located on described skeleton.

8. water heater according to claim 1, is characterized in that, described exhaust discharging valve and described exhaust adjutage are threaded connection.

9. the water heater according to any one of claim 1-8, is characterized in that, the roof of the contiguous described inner bag in upper end of described exhaust adjutage is arranged.

10. water heater according to claim 9, is characterized in that, the upper end of described exhaust adjutage is formed with arc fold bending.