CN204063593U - For water heater liquid feeding assembly and there is its water heater - Google Patents

For water heater liquid feeding assembly and there is its water heater Download PDF

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Publication number
CN204063593U
CN204063593U CN201420528979.5U CN201420528979U CN204063593U CN 204063593 U CN204063593 U CN 204063593U CN 201420528979 U CN201420528979 U CN 201420528979U CN 204063593 U CN204063593 U CN 204063593U
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CN
China
Prior art keywords
liquid feeding
feeding box
water pipe
water heater
conduit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420528979.5U
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Chinese (zh)
Inventor
张中海
边文兵
曲绍鹤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Original Assignee
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Filing date
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Application filed by Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd filed Critical Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority to CN201420528979.5U priority Critical patent/CN204063593U/en
Application granted granted Critical
Publication of CN204063593U publication Critical patent/CN204063593U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of liquid feeding assembly for water heater and there is its water heater, described liquid feeding assembly comprises: water pipe, liquid feeding box, conduit and check valve, described liquid feeding box has charge door to inject additive in described liquid feeding box, between the two ends that one end of described conduit is connected to described water pipe and the other end is connected to described liquid feeding box, described check valve is located on described conduit and is fed in described water pipe by the liquid in described liquid feeding box with uniaxially.According to the liquid feeding assembly for water heater of the present utility model, by arranging check valve on conduit, thus the additive in liquid feeding box can be delivered to water pipe by uniaxially, when the pressure in water pipe changes, the water in water pipe or additive can not be caused to flow backward to liquid feeding box, and then ensure that the concentration of additive in liquid feeding box.In addition, user can according to actual requirement from main separation additive, with the inner bag of clear hot-water device or meet different shower demands etc.

Description

For water heater liquid feeding assembly and there is its water heater
Technical field
The utility model relates to water heater arrangement field, especially relates to a kind of liquid feeding assembly for water heater and has its water heater.
Background technology
Point out in correlation technique, water heater is a set of closed structure, usually be made up of inner bag, heating system and accessory system etc., in routine use process, due to the metal ion such as calcium, magnesium containing higher concentration in running water, cause hardness of water from the beginning high, the high running water of hardness in water heater liner due to heating and inequality of being heated, easily in inner bag, form incrustation scale, form the incrustation scale suspended, the blocking mouth of pipe, not only affects the efficiency of product, and reduce the security of product, serious even may jeopardize personal safety.
In addition, along with the raising of people's living standard, a lot of people more and more pursues the life of high-quality, in shower water, add various benefit materials be more and more subject to pursuing of people, when adopting bath in a tub, benefit materials directly can be put into bathtub, but, be just difficult to achieve when needs adopt during shower.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model is to propose a kind of liquid feeding assembly for water heater, and additive can be delivered to water heater by uniaxially by described liquid feeding assembly, and user can according to the actual requirements from main separation additive.
The utility model also proposes a kind of water heater with above-mentioned liquid feeding assembly.
According to the liquid feeding assembly of the utility model first aspect, comprising: water pipe; Liquid feeding box, described liquid feeding box has charge door to inject additive in described liquid feeding box; Conduit, between the two ends that one end of described conduit is connected to described water pipe and the other end is connected to described liquid feeding box; And check valve, described check valve is located on described conduit and is fed in described water pipe by the liquid in described liquid feeding box with uniaxially.
According to liquid feeding assembly of the present utility model, by arranging check valve on conduit, thus the additive in liquid feeding box can be delivered to water pipe by uniaxially, when the pressure in water pipe changes, the water in water pipe or additive can not be caused to flow backward to liquid feeding box, and then ensure that the concentration of additive in liquid feeding box.In addition, user can according to actual requirement from main separation additive, with the inner bag of clear hot-water device or meet different shower demands etc.
Particularly, described conduit is provided with valve.
Further, described valve is located between described check valve and described liquid feeding box or is located between described check valve and described water pipe.
Particularly, described water pipe is Venturi tube, and described one end of described conduit is connected to the described minimum place of Venturi tube internal diameter, described liquid feeding box is formed with the passage run through.
Further, the span of the vacuum at the described minimum place of Venturi tube internal diameter is-0.1MPa-0MPa.
Particularly, described conduit is provided with the pump housing to be pumped in described water pipe by the liquid in described liquid feeding box.
Alternatively, described liquid feeding box is Transparent Parts, the sidewall of described liquid feeding box has volume graduation indication line.
According to the water heater of the utility model second aspect, comprising: body, described body has water inlet and delivery port; With the liquid feeding assembly for water heater according to the utility model first aspect, wherein said liquid feeding assembly is located on the path that is connected with described water inlet and/or described delivery port.
According to water heater of the present utility model, by arranging the liquid feeding assembly for water heater of above-mentioned first aspect, thus improve the overall performance of water heater.
Alternatively, described liquid feeding assembly is located on the path that is connected with described water inlet, and described additive is antisludging agent, slow dirty agent, scale remover, essence, vitamin, fruit juice or Chinese medicine become agent.
Or alternatively, described liquid feeding assembly is located on the path that is connected with described delivery port, and described additive is that essence, vitamin, fruit juice or Chinese medicine become agent.
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
Fig. 1 is the schematic diagram of the liquid feeding assembly for water heater according to the utility model embodiment.
Reference numeral:
100: liquid feeding assembly;
1: water pipe; 11: water pipe first end; 12: water pipe second end;
2: liquid feeding box; 21: charge door; 211: lid; 22: volume graduation indication line;
3: conduit; 31: conduit first end; 32: conduit second end;
4: check valve; 41: check valve inlet; 42: one-way valved outlet;
5: valve.
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.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
Below with reference to Fig. 1, the liquid feeding assembly 100 for water heater according to the utility model first aspect embodiment is described.
As shown in Figure 1, according to the liquid feeding assembly 100 for water heater of the utility model first aspect embodiment, comprising: water pipe 1, liquid feeding box 2, conduit 3 and check valve 4.
Wherein, liquid feeding box 2 has charge door 21 to inject additive in liquid feeding box 2.Particularly, as shown in Figure 1, liquid feeding box 2 is the box body of hollow, the top (such as top) of liquid feeding box 2 can have the charge door 21 run through, and charge door 21 place can be provided with the lid 211 can opening or close charge door 21, time reinforced, first lid 211 can be opened, again additive is added in liquid feeding box 2 from charge door 21, and then close lid 211, complete reinforced.Certainly, the utility model is not limited thereto, and charge door 21 place can not also be provided with lid 211.
Thus, user can according to actual needs from main separation additive, such as antisludging agent, slow dirty agent, scale remover or benefit materials etc., wherein, antisludging agent effectively can stop in the inner bag of water heater and forms incrustation scale, slow dirty agent effectively can slow down in the inner bag of water heater and form incrustation scale, scale remover can decompose effectively, remove incrustation scale, such as scale remover can be inner bag cleaning fluid, also can be the acidic materials such as acetic acid or family expenses vinegar, user can be made to produce joyful shower experience for benefit materials or smell is enjoyed, it can be such as the lemon being squeezed into juice, Kiwi berry, cucumber, other harmless fruit such as apple, vegetables or other food etc., in addition, benefit materials can also be some reagent chemicalses, such as vitamin C, essence or some Chinese medicine become agent etc., certainly, additive can also be the some of mixtures of these benefit materials etc.Wherein, benefit materials should be harmless, namely can not cause harmful effect to human body, and when additive is scale remover, user cannot directly take a shower, and needs emptying inner bag and take a shower after cleaning inner bag (will describe in detail hereinafter) again.
Here it should be noted that, solid-state (such as block, Powdered) additive or liquid additive directly can be thrown in liquid feeding box 2 or solvablely directly to throw in liquid feeding box 2 with the additive in the packing material (such as capsule) of water by being wrapped in by user, and then appropriate water is injected in liquid feeding box 2, in liquid feeding box 2, be diluted to appointment proportioning to make additive.Certainly, the utility model is not limited thereto, and first additive can also be diluted to appointment proportioning by user, and then is added in liquid feeding box 2 by the liquid additive after dilution.In addition, some additive can also dilute.
Here, it should be noted that, operation instructions can be provided to user, some optional additives are enumerated in description, and indicate the dilution proportioning of corresponding additive, to facilitate user to add, certainly, directly can also be supplied to user solid-state, liquid or make the additive of encapsulated state etc., with user-friendly further.Thus, user according to the actual requirements, can add additive autonomous, self-servicely in liquid feeding box 2.In addition, liquid feeding box 2 also can be Transparent Parts, and the sidewall of liquid feeding box 2 has volume graduation indication line 22, thus further facilitates input situation, dilution situation and behaviour in service etc. that user understands additive.
Particularly, one end of conduit 3 be connected to water pipe 1 two ends between and the other end is connected to liquid feeding box 2.As shown in Figure 1, liquid feeding box 2 is formed with the first connecting hole run through, water pipe 1 is the pipeline of hollow, and the two ends of water pipe 1 are respectively water pipe first end 11 and water pipe second end 12, the sidewall of water pipe 1 is formed with the second connecting hole run through, second connecting hole is between water pipe first end 11 and water pipe second end 12, conduit 3 is also the pipeline of hollow, and the two ends of conduit 3 are respectively conduit first end 31 and conduit second end 32, conduit first end 31 can stretch in liquid feeding box 2 from the first connecting hole, conduit second end 32 can put in water pipe 1 from the second connecting hole, thus conduit 3 can conducting water pipe 1 and liquid feeding box 2.Preferably, conduit first end 31 is immersed in the liquid additive in liquid feeding box 2.
Further, check valve 4 is located on conduit 3 and is supplied in water inlet pipe 1 by the liquid in liquid feeding box 2 with uniaxially.With reference to Fig. 1, check valve 4 has check valve inlet 41 and one-way valved outlet 42, when liquid flows from check valve inlet 41 to one-way valved outlet 42, check valve 4 is opened automatically, liquid can pass through, when liquid flows from one-way valved outlet 42 to check valve inlet 41, check valve 4 is closed automatically, liquid cannot pass through, check valve 4 to be arranged on conduit 3 and between conduit first end 31 and conduit second end 32, check valve inlet 41 is connected with conduit first end 31, and one-way valved outlet 42 is connected with conduit second end 32.Wherein, the structure and working principle of check valve 4 is all known for those of ordinary skills, is not described in detail here.
Thus, as shown in Figure 1, when the liquid in liquid feeding box 2 flows from conduit first end 31 conductive pipe second end 32, liquid stream makes check valve 4 automatically open through check valve 4, thus the liquid in liquid feeding box 2 can flow in water pipe 1, when the liquid in water pipe 1 flows from conduit second end 32 conductive pipe first end 31, liquid stream makes check valve 4 automatically close through check valve 4, thus the liquid in water pipe 1 cannot flow in liquid feeding box 2.
Like this, by arranging check valve 4 on conduit 3, effectively can control the flow direction of liquid in conduit 3, the adverse effect that the pressure preventing the flow direction because of liquid in water pipe 1 from changing liquid in (in such as water pipe 1, liquid flows backwards) and water pipe 1 changes (such as water hammer) and produces, thus extend the service life of liquid feeding assembly 100, and ensure that the working effect of liquid feeding assembly 100.
Here, it should be noted that, when to infusion fluid in water pipe 1, such as, when carrying the process of liquid to stop suddenly from water pipe first end 11 to water pipe second end 12, certain water hammer effect can be caused, namely the fluid pressure in water pipe 1 can raise suddenly, thus the liquid in water pipe 1 has the trend from the flowing of conduit second end 32 conductive pipe first end 31, namely the liquid in water pipe 1 has the trend flow backwards to liquid feeding box 2, especially when liquid feeding box 2 is arranged on the below of water pipe 1, liquid in water pipe 1 has the trend flow backwards under gravity downwards, once liquid flows backwards, the concentration of additive in liquid feeding box 2 will be affected, and certain impact can be caused to liquid feeding box 2, not only affect liquid feeding effect, and the service life of liquid feeding assembly 100 can be affected.
According to the liquid feeding assembly 100 for water heater of the utility model embodiment, by arranging check valve 4 on conduit 3, thus the additive in liquid feeding box 2 can be delivered to water pipe 1 by uniaxially, when the pressure in water pipe 1 changes, the water in water pipe 1 or additive can not be caused to flow backward to liquid feeding box 2, and then ensure that the concentration of additive in liquid feeding box 2.In addition, user can according to actual requirement from main separation additive, with the inner bag of clear hot-water device or meet different shower demands etc.
In an embodiment of the present utility model, with reference to Fig. 1, conduit 3 is provided with valve 5, and valve 5 can be located between check valve 4 and liquid feeding box 2, valve 5 can also be located between check valve 4 and water pipe 1, and valve 5 is for controlling the conducting of conduit 3 or blocking-up and controlling the flow of liquid in conduit 3.Particularly, when valve 5 is opened, conduit 3 can be switched on, namely the liquid in liquid feeding box 2 can flow to water pipe 1, when valve 5 is closed, conduit 3 is blocked, liquid in liquid feeding box 2 cannot flow to water pipe 1, the aperture of control valve 5 can part blocks or part conducting conduit 3, to control the flow of liquid in conduit 3.Wherein, aperture refers to the open angle of valve 5, and wherein open angle can be arbitrary value.Wherein, the structure and working principle of valve 5 is all known for those of ordinary skills, is not described in detail here.
Thus, by the closedown of by-pass valve control 5, unlatching and open angle, the speed the need of liquid feeding and liquid feeding can be controlled, such as additive can be made to continue to add in the process of whole shower by control valve 5, can also only a period of time adds, after the additive in liquid feeding box 2 has all added, can valve-off 5, to avoid sucking air (will describe in detail hereinafter) or other materials etc.Wherein, valve 5 can be manually-operated gate or electric control valve.
Alternatively, water pipe 1 is Venturi tube, the internal diameter of Venturi tube first reduces gradually along the bearing of trend of its axis, straight tube (axial length of straight tube is very short) is become to the minimum place of internal diameter, increase gradually again, due to diminishing suddenly of internal diameter, the flow velocity of liquid can be caused to become suddenly large, thus the static pressure at this place (i.e. the minimum place of internal diameter) diminishes, one end of conduit 3 is connected to the minimum place of Venturi tube internal diameter, that is, conduit second end 32 is connected to the minimum place of internal diameter of water pipe 1, now the pressure of conduit second end 32 equals the pressure at the minimum place of Venturi tube internal diameter, liquid feeding box 2 is formed with the passage run through, thus can air be entered in liquid feeding box 2, pressure in liquid feeding box 2 can equal atmospheric pressure, that is, the pressure of conduit first end 31 equals atmospheric pressure, like this, when the pressure reduction of the minimum place of Venturi tube internal diameter and atmospheric pressure reach predetermined vacuum spend time, just suction can be produced in conduit 3, make the liquid in liquid feeding box 2 can be inhaled in water pipe 1, then along liquid in water pipe 1 flowing and flow.Certainly, conduit second end 32 can also be connected near the minimum place of water pipe 1 internal diameter.
In order to ensure that liquid in liquid feeding box 2 can sucking-off smoothly, can by factor controlling predetermined vacuum degree such as the flow velocity of liquid in control water pipe 1, water pipe 1 inner wall roughness, the internal diameter of conduit 3 and the longitudinal differences in height between water pipe 1 and liquid feeding box 2, preferably, conduit second end 32 and the predetermined vacuum degree of water pipe 1 junction are controlled at-0.10Mpa-0MPa, namely the span of the vacuum at the minimum place of Venturi tube internal diameter is-0.1MPa-0MPa, thus effectively can ensure that the liquid in liquid feeding box 2 can be inhaled in water pipe 1.In addition, it should be noted that, the longitudinal difference in height between water pipe 1 and liquid feeding box 2 is larger, and predetermined vacuum degree is larger.
In brief, when liquid (such as running water) is by the water pipe 1 that is configured to Venturi tube, and when liquid flow is to the minimum place of the internal diameter of water pipe 1, the speed of liquid can become large, according to Bernoulli equation, can produce certain vacuum in conduit 3, this vacuum can by the draws fluid water pipe 1 in liquid feeding box 2, and further with the liquid flow in water pipe 1, such as, in the inner bag that can flow into water heater etc.
Alternatively, conduit 3 is provided with the pump housing (scheming not shown) with by the liquor pump water inlet pipe 1 in liquid feeding box 2.Particularly; the pump housing can be connected on conduit 3; and preferably; the pump housing can be connected between check valve 4 and liquid feeding box 2; pump housing import is connected with conduit first end 31; pump housing outlet is connected with check valve inlet 41; now water pipe 1 can be straight tube (scheming not shown); when the pump housing is opened; liquid in liquid feeding box 2 can pump in conduit 3; flow through in the laggard oral siphon 1 of check valve 4, liquid refluence in conduit 3 can be avoided by arranging check valve 4, avoiding affecting the service life of the pump housing, thus check valve 4 can play the effect of the protection pump housing.Now, conduit 3 can also be provided with valve 5 simultaneously.Wherein, the pump housing can be the various pump housings that water pump, reciprocating pump, measuring pump, membrane pump etc. can realize pumping liquid effect.
Here, it should be noted that, Venturi tube differential pressure action is adopted to suck the mode of additive, additive sucking-off amount may be caused unstable by the impact of pressure reduction in water pipe 1, thus affect result of use, but, adopt the pump housing mode in additive pump water inlet pipe 1 can be ensured to stablize compared with the sucking-off amount of additive, thus guarantee result of use.
According to the water heater (scheming not shown) of the utility model second aspect embodiment, comprise the liquid feeding assembly 100 for water heater according to the above-mentioned first aspect embodiment of the utility model.
Particularly, water heater can comprise body (scheming not shown), there is in body inner bag (scheming not shown), body have water inlet and delivery port, water inlet and delivery port are communicated with body interior respectively with outside, and wherein water inlet can be connected by water inlet pipe with water source, flows into body to make the water at water source along water inlet pipe, delivery port is connected by outlet pipe with gondola water faucet, flows out gondola water faucet take a shower for user to make intrinsic water along outlet pipe.Wherein, liquid feeding assembly 100 can be located on the path that is connected with water inlet, liquid feeding assembly 100 can also be located on the path that is connected with delivery port, or namely liquid feeding assembly 100 can be located on the path that is connected with water inlet, is located at again on the path be connected with delivery port.
Particularly, when liquid feeding assembly 100 is located on the path be connected with water inlet, water pipe 1 is connected between the two ends of water inlet pipe, or water pipe 1 can be water inlet pipe, such as the first end of water pipe 1 can be connected with water source (such as running water pipe), such as can be connected by joint, second end of water pipe 1 is connected with the water inlet of body, such as can be connected by joint, now, first additive enters in the inner bag of body, and then spill to user, wherein, additive can be antisludging agent, slow dirty agent, scale remover, essence, vitamin, fruit juice or Chinese medicine become agent.Particularly, when additive is scale remover, having added rear user cannot directly take a shower, and needs emptying inner bag and rinsed well by inner bag just can again to take a shower afterwards.
Further, when liquid feeding assembly 100 is located on the path be connected with delivery port, water pipe 1 is connected between the two ends of outlet pipe, or water pipe 1 can be outlet pipe, such as the first end of water pipe 1 can be connected with the delivery port of body, such as can be connected by joint, second end of water pipe 1 is connected with gondola water faucet, such as can be connected by joint, now, additive is not introduced in the inner bag of body in advance, and can directly spill to user, wherein, additive can become agent for essence, vitamin, fruit juice or Chinese medicine.Thus, can prevent additive from assembling in inner bag, thus ensure that additive can all with gondola water faucet ejection, and can not remain in inner bag with the stopping of taking a shower, improve the service life of water heater, and do not affect other people use to water heater.
In addition, when namely liquid feeding assembly 100 can be located on the path be connected with water inlet, when being located at again on the path be connected with delivery port, liquid feeding assembly 100 can be two, be respectively the first liquid feeding assembly and the second liquid feeding assembly, wherein the water pipe 1 of the first liquid feeding assembly is connected between the two ends of water inlet pipe, or be water inlet pipe, the water pipe 1 of the second liquid feeding assembly is connected between the two ends of outlet pipe, or be outlet pipe, the additive of the first liquid feeding assembly can be antisludging agent, slow dirty agent or scale remover, the additive of the second liquid feeding assembly can be essence, vitamin, fruit juice or Chinese medicine become agent etc.
Certainly, the utility model is not limited thereto, and the quantity of liquid feeding assembly 100, setting position and the additive of liquid feeding assembly 100 can also be arranged according to actual requirement, to meet actual requirement better.
According to the water heater of the utility model embodiment, by arranging the liquid feeding assembly 100 for water heater of above-mentioned first aspect embodiment, thus improve the overall performance of water heater.
In description of the present utility model, it will be appreciated that, term " on ", D score, " interior ", " outward ", " axis ", the orientation of the instruction such as " radial direction " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint 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 integral; Can be mechanical connection, also can be electrical connection, can also be communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.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.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
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, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.

Claims (10)

1., for a liquid feeding assembly for water heater, it is characterized in that, comprising:
Water pipe;
Liquid feeding box, described liquid feeding box has charge door to inject additive in described liquid feeding box;
Conduit, between the two ends that one end of described conduit is connected to described water pipe and the other end is connected to described liquid feeding box; With
Check valve, described check valve is located on described conduit and is fed in described water pipe by the liquid in described liquid feeding box with uniaxially.
2. the liquid feeding assembly for water heater according to claim 1, it is characterized in that, described conduit is provided with valve.
3. the liquid feeding assembly for water heater according to claim 2, is characterized in that, described valve is located between described check valve and described liquid feeding box or is located between described check valve and described water pipe.
4. the liquid feeding assembly for water heater according to any one of claim 1-3, it is characterized in that, described water pipe is Venturi tube, and described one end of described conduit is connected to the described minimum place of Venturi tube internal diameter, described liquid feeding box is formed with the passage run through.
5. the liquid feeding assembly for water heater according to claim 4, is characterized in that, the span of the vacuum at the described minimum place of Venturi tube internal diameter is-0.1MPa-0MPa.
6. the liquid feeding assembly for water heater according to any one of claim 1-3, is characterized in that, described conduit is provided with the pump housing to be pumped in described water pipe by the fluid in described liquid feeding box.
7. the liquid feeding assembly for water heater according to claim 1, is characterized in that, described liquid feeding box is Transparent Parts, the sidewall of described liquid feeding box has volume graduation indication line.
8. a water heater, is characterized in that, comprising:
Body, described body has water inlet and delivery port; With
The liquid feeding assembly for water heater according to any one of claim 1-7, wherein said liquid feeding assembly is located on the path that is connected with described water inlet and/or described delivery port.
9. water heater according to claim 8, is characterized in that, described liquid feeding assembly is located on the path that is connected with described water inlet, and described additive is antisludging agent, slow dirty agent, scale remover, essence, vitamin, fruit juice or Chinese medicine become agent.
10. water heater according to claim 8, is characterized in that, described liquid feeding assembly is located on the path that is connected with described delivery port, and described additive is that essence, vitamin, fruit juice or Chinese medicine become agent.
CN201420528979.5U 2014-09-15 2014-09-15 For water heater liquid feeding assembly and there is its water heater Expired - Fee Related CN204063593U (en)

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CN201420528979.5U CN204063593U (en) 2014-09-15 2014-09-15 For water heater liquid feeding assembly and there is its water heater

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Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247622A (en) * 2016-09-30 2016-12-21 芜湖美的厨卫电器制造有限公司 Water heater antiscaling device and water heater
CN111473241A (en) * 2020-06-15 2020-07-31 韩帅飞 Inverted bucket type drain valve capable of preventing flash and leakage
CN111473239A (en) * 2020-06-15 2020-07-31 韩帅飞 Self-suction inverted bucket type drain valve
CN111473240A (en) * 2020-06-15 2020-07-31 韩帅飞 Energy-saving inverted bucket type drain valve
CN111839195A (en) * 2020-07-13 2020-10-30 广东美的厨房电器制造有限公司 Steam household electrical appliance

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247622A (en) * 2016-09-30 2016-12-21 芜湖美的厨卫电器制造有限公司 Water heater antiscaling device and water heater
CN111473241A (en) * 2020-06-15 2020-07-31 韩帅飞 Inverted bucket type drain valve capable of preventing flash and leakage
CN111473239A (en) * 2020-06-15 2020-07-31 韩帅飞 Self-suction inverted bucket type drain valve
CN111473240A (en) * 2020-06-15 2020-07-31 韩帅飞 Energy-saving inverted bucket type drain valve
CN111473239B (en) * 2020-06-15 2021-09-21 上海飞帆智能科技有限公司 Self-suction inverted bucket type drain valve
CN111839195A (en) * 2020-07-13 2020-10-30 广东美的厨房电器制造有限公司 Steam household electrical appliance

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