CN208253961U - A kind of water blocking cover structure and water heater - Google Patents

A kind of water blocking cover structure and water heater Download PDF

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Publication number
CN208253961U
CN208253961U CN201721880399.2U CN201721880399U CN208253961U CN 208253961 U CN208253961 U CN 208253961U CN 201721880399 U CN201721880399 U CN 201721880399U CN 208253961 U CN208253961 U CN 208253961U
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China
Prior art keywords
water
box
fender
inlet pipe
cover structure
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CN201721880399.2U
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李帅
王国芳
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Wuhan Haier Water Heater Co Ltd
Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Original Assignee
Wuhan Haier Water Heater Co Ltd
Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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Priority to CN201721880399.2U priority Critical patent/CN208253961U/en
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Abstract

The utility model discloses a kind of water blocking cover structure and water heater, the water blocking cover structure includes box-like body, opens up along its length jagged on the bottom surface of the box-like body, offers on one end side wall of the box-like body and holds the through hole that passes through of water inlet pipe.The water blocking cover structure of the utility model, box-like body structure jaggy is opened up by the way that bottom is arranged, when the water inlet pipe water outlet being inserted into inside box-like body, after the inner wall of water impact box-like body, water retaining cover just is flowed out from the notch for being provided with box-like body bottom through turning back, it compares with existing water fender, the water impact of this programme many gentler than water impact before changing, thus it is gentler that the water flow after optimizing structure integrally pushes up hot water layer, the disturbance to water temperature delamination in water heater liner can be significantly reduced, rate of thermal water utilization is higher, thus hot water delivery rate gets a promotion.

Description

A kind of water blocking cover structure and water heater
Technical field
The utility model relates to technical field of water heaters, specifically, being to be related to a kind of water blocking cover structure and water heater.
Background technique
Storage-type electric water heater is in advance by hot water storage in water heater liner, as people in use, passing through electric hot water The inlet tube and outlet tube of device takes out hot water from water heater liner.It is in spurting due to having pressure by the cold water of water inlet pipe It flowing into liner, water flow generates disturbance to liner internal hot-water, and cold water is mixed with the hot water in liner, cold and hot water stratification is destroyed, Influence the hot water output of electric heater.Currently, the hot water delivery rate of China's storage-type electric water heater it is horizontal be not generally it is very high, Still there is ample room for improvement.
The water inlet of water heater is scatter to realize, and cold and hot water stratification can be protected, many water heaters start in liner Bottom water inlet pipe position increases water fender component, is directly welded at around water inlet pipe, also has by water inlet pipe, outlet pipe etc. A stay tube with buckle structure is installed in position, then manually stretches water fender from the gallbladder mouth position of water heater installation electrothermal tube To liner middle water pipe position.Water fender in existing scheme plays the role of certain water blocking, and hot water delivery rate obtains centainly It is promoted, still, for the heating tube of inlet and outlet pipes and heating tube integral type, hot water delivery rate can not be more than 80%.
Summary of the invention
The utility model acts on limited, hot water to the water blocking of water inlet to solve water fender in existing storage-type electric water heater Output rating is still unable to get the technical issues of being substantially improved, and proposes a kind of water blocking cover structure, can solve the above problem.
In order to solve the above-mentioned technical problem, the utility model is achieved using following technical scheme:
A kind of water blocking cover structure, including box-like body, opened up on the bottom surface of the box-like body along its length it is jagged, It is offered on one end side wall of the box-like body and holds the through hole that water inlet pipe passes through.
Further, the box-like body include at least two long sides being oppositely arranged, two short sides being oppositely arranged with And top margin, the top margin are located at the top of the long side and short side, and are tightly connected respectively with the long side and short side, it is described to pass through Through-hole opens up on a short side wherein, and the length of the long side is greater than the length of the short side.
Further, the inside of the box-like body is provided with several water fenders, the water fender on along its length It is parallel to horizontal plane, the water fender is fixed with a wherein long side or fixed with short side.
Further, the water fender is symmetricly set on the two sides of center vertical plane, and the center vertical plane is vertical Directly divide the top margin equally and the plane parallel with the long side.
Further, the water fender includes side water fender and middle water fender, and the side water fender and middle water fender interlock Arrangement, there are gaps between the side and water inlet pipe of the center vertical plane for the side water fender, far from the center The long side that the side of perpendicular is adjacent abuts against, the middle water fender close to the center vertical plane side with into Water pipe abuts against, and there are gap, two adjacent water blocking between the adjacent long side in the side far from the center vertical plane Plate and its long side closed on and water flow subchannel is surrounded between water inlet pipe, the entrance and exit head and the tail of several water flow subchannels Connect to forming S-shaped water stream channel, the center vertical plane is vertically to divide the top margin equally and the plane parallel with the long side.
Further, the both ends of the side water fender are fixed with two short sides and/or the side of the side water fender respectively The long side closed on it is fixed, and the both ends of the middle water fender are fixed with two short sides respectively.
It further, further include water blocking end plate of the both ends respectively with the fixation of two short sides, the water blocking end plate is located at most bottom The lower section of the water fender in portion, the water blocking end plate include be connected first while and when second, first side be obliquely installed and Free end is abutted against with water inlet pipe, and second side is stretched out and extends outwardly from the notch.
It further, is side water fender positioned at the water fender of bottommost, second side is parallel to horizontal plane, the side block water Water stream channel extended segment is surrounded between plate and the water blocking end plate.
Further, the upper surface of the water fender is formed with several slow water convex ribs along its length.
The utility model proposes a kind of water heater simultaneously, including liner and the electric heating tube being mounted in liner, water inlet Pipe and outlet pipe, further include water blocking cover structure noted before, the water inlet pipe includes the connection being fixedly connected with fixing seat Section and bottom and the water exit end parallel with the bottom of liner positioned at the liner, by inclining between the linkage section and water exit end The tilting section being tiltedly arranged is connected smoothly, and the water exit end is inserted into the box by the through hole in whole or in part In shape ontology, the tail end plugs of the water exit end, the water exit end, which is located on the tube wall of the box-like body interior section, to be spaced The apopore of perforation is distributed with, the water blocking cover structure is fixedly connected with the water inlet pipe.
Further, the apopore is located at the top in central horizontal face, and the central axes of the apopore and it is described in The angle of edema with the heart involved plane is acute angle, and the central horizontal face is the horizontal plane by the central axes of the water inlet pipe.
Further, the apopore is arranged to a row or multi-row along the length direction of the water exit end, when having When multiple rows of, which is symmetricly set on the two sides of the center vertical plane.
Further, the angle in the central axes of the apopore and the central horizontal face is 45 °.
It further, is middle water fender positioned at the water fender of top, the height of the apopore is higher than the top Water fender.
Compared with prior art, the advantages and positive effects of the utility model are as follows: the water blocking cover structure of the utility model, leads to Cross setting bottom and open up box-like body structure jaggy, be inserted into inside box-like body water inlet pipe water outlet when, water impact After the inner wall of box-like body, water retaining cover just is flowed out from the notch for being provided with box-like body bottom through turning back, with existing water fender phase Comparison, the water impact of this programme many gentler than water impact before changing, water flow after thus optimizing structure it is whole to Upper promotion hot water layer is gentler, can significantly reduce the disturbance to water temperature delamination in water heater liner, and rate of thermal water utilization is higher, Thus hot water delivery rate gets a promotion.
After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantages of the utility model It will become clearer.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is status diagram of the water retaining cover Standard that is proposed of the utility model in water heater liner;
Fig. 2 is a kind of example structure schematic diagram of water blocking cover structure that the utility model is proposed;
Fig. 3 is a kind of embodiment perspective view for the water blocking cover structure that the utility model is proposed;
Fig. 4 is the structural schematic diagram of water fender in embodiment one;
Fig. 5 is a kind of example structure schematic diagram for the water heater that the utility model is proposed;
Fig. 6 is the partial structural diagram of water inlet pipe in Fig. 5;
Fig. 7 is the side structure schematic diagram of the water exit end of water inlet pipe in Fig. 6.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Storage-type electric water heater is flowed into liner, water flow due to having pressure by the cold water of water inlet pipe in spurting Disturbance is generated to liner internal hot-water, cold water mixes with the hot water in liner, destroys cold and hot water stratification, influence electric heater Hot water output.Therefore, the disturbance for reducing water inlet to hot water in liner is maximized, the destruction to water temperature delamination is reduced, is to improve heat The more crucial factor of water output rating, there are two types of the water inlet pipe installation site of storage-type electric water heater generally has at present, one is water inlets Pipe is inserted into liner from the bottom of liner, another is that water inlet pipe is inserted into liner from the side of liner, according to cold water Density is big, into the characteristics of downlink, the water outlet position of water inlet pipe extends to the bottom of liner, the utility model as far as possible after liner Water blocking cover structure be particularly suitable for the scheme of the latter's water inlet pipe, be laterally inserted into the water heater of liner, for water inlet pipe to understand Certainly intake in liner hot water disturb the problem of, current solution by directly water inlet pipe top be arranged plate or Person has the water fender of certain radian, and to prevent the disturbance into water to top hot water, the water fender in existing scheme plays one Fixed water blocking effect, hot water delivery rate are centainly promoted, and still, hot water delivery rate can not be more than 80%, and water-retaining structure still has There is room for improvement, be based on this, the utility model proposes a kind of water blocking cover structure, problem above is resolved, below will be with tool The structure and principle of this programme is described in detail in body embodiment, wherein above-mentioned water heater can be but be not limited to electric heater, the sun It can water heater and Teat pump boiler etc..It should be noted that the restriction in the characterization orientation such as upper and lower in embodiment, inside and outside is Refer under the normal assembled state of water heater and water retaining cover be normally assembled in the state of water heater liner on the basis of and water retaining cover Normally it is assembled to the orientation of state in liner.
Embodiment one
The present embodiment proposes a kind of water blocking cover structure, as shown in Figure 1, Figure 2, Figure 3 shows, including box-like body 11, box-like Jagged 12 are opened up on the bottom surface of body 11 along its length, appearance water inlet pipe 20 is offered on one end side wall of box-like body 11 and is passed through Through hole 13.When in use, water inlet pipe 20 is inserted into box-like body 11 the water blocking cover structure of the present embodiment from through hole 13 In portion's cavity, apopore is offered on the tube wall of water inlet pipe 20, cold water is flowed out from apopore, after impacting the inner wall of box-like body 11 It is flowed out after turning back from notch 12, by reasonably designing the angle of water of apopore, such as tilts upward water outlet, water flow can also quilt The inner wall of box-like body is repeatedly turned back final outflow, when cold water finally flows out, when water impact of the water flow impact pressure before changing Gentle is more, and it is gentler that the water flow after thus optimizing structure integrally pushes up hot water layer, can significantly reduce to water heater The disturbance of water temperature delamination in liner, rate of thermal water utilization is higher, and thus hot water delivery rate gets a promotion.
Since water inlet pipe 20 is the long tubular structure that length is much larger than its diameter, in order to match the shape of water inlet pipe 20, such as Shown in Fig. 3, box-like body 11 includes at least two long sides 111 being oppositely arranged, two short sides 112 and top margin that are oppositely arranged 113, top margin 113 is located at the top of long side 111 and short side 112, and is tightly connected respectively with long side 111 and short side 112, through hole 13 open up on a short side wherein, and the length of long side 111 is greater than the length of short side 112.Wherein, top margin 113 and long side and short Between side can perpendicular relationship, can also by arc transition, between adjacent long side and short side can perpendicular relationship, It can be an integral molding structure by arc transition, long side, short side and top margin, composition can also be spliced.When splicing group Cheng Shi, be sealedly and fixedly connected between top margin 113 and long side and short side and adjacent long side and short side between sealing is fixed connects It connects namely cold water water outlet is after the inner wall by box-like body is repeatedly turned back, can only be flowed out by notch.Due to notch 12 In the bottom of box-like body 11, water flows into liner from the bottom of box-like body 11, can equally play reduction to upper layer hot water The effect of disturbance.
The number turned back in box-like body 11 from the gone out water flow of apopore in order to further increase, further slows down water flow Impact force when being flowed out from box-like body 11, as shown in Fig. 2, the inside of box-like body 11 is provided with several on along its length Water fender 14, water fender 14 are parallel to horizontal plane, and water fender 14 is fixed with a wherein long side or fixed with short side.Apopore When angle of water makes it tilt upward water outlet, water flow beats the top in box-like body 11 or the upper end of side plate first, then into Row, which is turned back, to be beaten on water fender, so can also repeatedly be turned back, and notch outflow is eventually passed through.
There are mistakes between water inlet pipe 20 and top margin and two sides long side 111 after water inlet pipe 20 is inserted into box-like body 11 The gap of water, when the water in water inlet pipe flows into box-like body 11, the water in the big place of pressure is toward pressure under pressure Therefore small direction flowing in order to enable water inlet is repeatedly turned back, is preferably laid with gear in the two sides of center vertical plane A-A Water plate 14, center vertical plane A-A are vertically to divide the top margin equally and the plane parallel with long side, under normal circumstances, water inlet pipe 20 are coaxially disposed with box-like body 11, and therefore, center vertical plane A-A can equally pass through the central axis of water inlet pipe 20, water inlet Pipe 20 and box-like body 11 are in mirror symmetry with center vertical plane A-A, and it is flat that water fender 14 is symmetricly set on center vertical The two sides of face A-A can carry out unhurried current of turning back to towards 12 direction flowing water of notch in the two sides of water inlet pipe 20.
In order to improve water blocking unhurried current effect, as shown in Fig. 2, water fender 14 includes side water fender 141 and middle water fender 142, 142 interlaced arrangement of side water fender 141 and middle water fender, side and water inlet pipe of the side water fender 141 close to center vertical plane A-A There are gap between 20, the adjacent long side 111 in the side far from center vertical plane A-A is abutted against, and middle 142 plate of water blocking leans on The side of nearly center vertical plane A-A is abutted against with water inlet pipe, the adjacent long side in the side far from center vertical plane A-A Water flow subchannel is surrounded there are gap, two adjacent water fenders and its long side closed on and between water inlet pipe between 111, it is several The end to end formation S-shaped water stream channel of the entrance and exit of a water flow subchannel, water (flow) direction is as shown in fig. 1, therefore, water flow It can staggeredly be blocked and turn back by side water fender 141 and middle water fender 142 during flowing to notch 12, unhurried current effect is very It is good.In production, due to box-like body 11 size it was determined that the size of water inlet pipe 20 it was determined that and box-like For being inserted into 13 position of through hole of water inlet pipe 20 it was determined that therefore, side water fender 141 can be easily achieved on ontology 11 There are gap between the side and water inlet pipe 20 of center vertical plane A-A, side far from center vertical plane A-A and its The long side 111 closed on abuts against and 142 plate of middle water blocking is abutted against close to the side of center vertical plane A-A with water inlet pipe, far There are gaps between the adjacent long side 111 in side from center vertical plane A-A.
Since side water fender 141 and a wherein long side are neighbouring, the fixed form of side water fender 141 can be with both ends point The fixation of long side 111 not closed on the fixed perhaps side of side water fender 141 of two short sides 112 with it or side water fender One side and the long side 111 closed on are fixed while 141 both ends are fixed with two short sides 112 respectively, due to middle water fender 142 is neighbouring with long side, and therefore, the fixed form of middle water fender 142 can be fixed with two short sides 112 respectively for its both ends.
In order to further decrease the impact force into water to hot water in liner, fail temperature is prevented to be layered, it is also preferable to include two The water blocking end plate 15 that end is fixed with two short sides respectively, water blocking end plate 15 are located at the lower section of the water fender of bottommost, water blocking end plate 15 include being connected first at 151 and second 152, and the first side 151 is obliquely installed and free end is abutted against with water inlet pipe 20, Second side 152 is stretched out and extends outwardly from notch 12.Water inlet is from notch 12 when flowing out, by the first side 151 towards oblique outer Direction is turned back, and is then flowed out along the second side 152.It second side 152 and is surrounded between the water fender of bottommost from box-like Water inlet can slowly be transitted to liner to the water stream channel extended segment of 11 outside liner of box-like body by the internal stretch of body 11 In, further decrease the impact force into water to hot water in liner.
The water fender for being preferably placed at bottommost is side water fender, can fit closely, be conducive to neighbouring long side Extend the length of flow-guiding channel, the second side 152 is parallel to horizontal plane, surrounds between the water fender and water blocking end plate of bottommost Parallel water stream channel extended segment can slowly transit to water inlet in liner in the horizontal direction.Due to water stream channel extended segment Extend in the horizontal direction, it is consistent with water temperature delamination, it can maximumlly reduce the destruction to water temperature delamination.
In order to improve water flowing to water fender blocked by water fender turn back when can one way or another turn back, prevent concentrate court Turning back at one causes local assault power to increase, while being able to extend the water route in water stream channel, discharges water during water flowing Pressure build-up energy, if as shown in figure 4, it is preferred that being formed with along its length in the upper surface of water fender 14 or lower surface It is convex can also to form several slow water in the upper and lower surfaces of water fender 14 simultaneously along its length for dry slow water convex ribs 16 Muscle 16.
As a same reason, several can also be formed with along its length in the upper surface of water blocking end plate 15 or lower surface Slow water convex ribs.
Embodiment two
The present embodiment proposes a kind of water heater, as shown in figure 5, including liner 17 and the electric heating being mounted in liner 17 Pipe 18, water inlet pipe 20 and outlet pipe 19, further include in embodiment one documented water blocking cover structure, water inlet pipe 20 pass through fixing seat 21 are fixedly connected with liner 17, as shown in fig. 6, water inlet pipe 20 includes the linkage section 201 being fixedly connected with fixing seat 21 and is located at The bottom of liner 17 and the water exit end 202 parallel with the bottom of liner 17, pass through inclination between linkage section 201 and water exit end 202 The tilting section 203 of setting is connected smoothly, the tail end plugs of water exit end, and water exit end 202 is located at 11 interior section of box-like body Tube wall on be intervally distributed with the apopore 22 of perforation, water blocking cover structure can join shown in Fig. 1-Fig. 4, including box-like body 11, Jagged 12 are opened up on the bottom surface of box-like body 11 along its length, offers appearance water inlet pipe on one end side wall of box-like body 11 20 through holes 13 passed through.The water exit end 202 of water inlet pipe 20 passes through through hole in whole or in part and is inserted into box-like body 11.
Water outlet, which flows directly into, in order to prevent notch and then pours into liner, if shown in Fig. 2, Fig. 7, preferred apopore 22 In the top of central horizontal face B-B, and the angle of the central axes of apopore 22 and central horizontal face B-BFor acute angle, central horizontal Face B-B is the horizontal plane by the central axes O of water inlet pipe.In this way, water inlet pipe is in box-like body inner inclination to upper water-out, water flow Can also repeatedly be turned back final outflow by the inner wall of box-like body, and when cold water finally flows out, water flow impact pressure is than the water before changing Gently more are wanted in stream impact.
Apopore 22 is arranged to a row or multi-row along the length direction of water exit end 202, and when with multiple rows of, this is multiple rows of Apopore is symmetricly set on the two sides of center vertical plane A-A, and the water inlet pipe two sides water outlet made is uniform.
Water fender positioned at top is middle water fender, can be closely adhered to water inlet pipe setting, the height of apopore 22 Higher than the height of the water fender of the top, it is discharged the inner wall Jing Guo box-like body 11 and is blocked positioned at the water fender of top Afterwards, into from the water flow subchannel that the gap between the water fender and long side for being located at top enters lower section.
It as shown in table 1, is five groups of hot water delivery rates measured by the water heater of the present embodiment, as shown in Table 1, the present embodiment Water heater no matter under which kind of state, hot water delivery rate is able to satisfy 90% or more, corresponding to export at present not higher than 80% hot water For rate, it is greatly improved.
First group of hot water delivery rate 96.18%
Second group of hot water delivery rate 95.5%
Third group hot water delivery rate 94.0%
4th group of hot water delivery rate 95.0%
5th group of hot water delivery rate 93.9%
Table 1
It is preferred that the angle of the central axes O of apopore 22 and central horizontal face B-B is 45 °.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, It should also belong to the protection scope of the utility model.

Claims (14)

1. a kind of water blocking cover structure, it is characterised in that: including box-like body, opened along its length on the bottom surface of the box-like body Equipped with notch, is offered on one end side wall of the box-like body and hold the through hole that water inlet pipe passes through.
2. water blocking cover structure according to claim 1, it is characterised in that: the box-like body is included at least and is oppositely arranged Two long sides, two short sides being oppositely arranged and top margin, the top margin are located at the top of the long side and short side, and respectively with The long side and short side are tightly connected, and the through hole opens up on a short side wherein, and the length of the long side is greater than described The length of short side.
3. water blocking cover structure according to claim 2, it is characterised in that: the inside of the box-like body along its length on Be provided with several water fenders, the water fender is parallel to horizontal plane, the water fender fixed with a wherein long side or with it is short While fixing.
4. water blocking cover structure according to claim 3, it is characterised in that: it is flat that the water fender is symmetricly set on center vertical The two sides in face, the center vertical plane are vertically to divide the top margin equally and the plane parallel with the long side.
5. water blocking cover structure according to claim 4, it is characterised in that: the water fender includes side water fender and middle water blocking Plate, the side water fender and middle water fender interlaced arrangement, the side water fender close to the center vertical plane side with into There are gap between water pipe, the adjacent long side in the side far from the center vertical plane is abutted against, the middle water fender Side close to the center vertical plane is abutted against with water inlet pipe, and the side far from the center vertical plane is adjacent Water flow subchannel is surrounded there are gap, two adjacent water fenders and its long side closed on and between water inlet pipe between long side, if The end to end formation S-shaped water stream channel of entrance and exit of dry water flow subchannel, the center vertical plane are vertically to divide equally The top margin and the plane parallel with the long side.
6. water blocking cover structure according to claim 5, it is characterised in that: the both ends of the side water fender are short with two respectively While fix and/or long side that the side of the side water fender is closed on it is fixed, the both ends of the middle water fender are respectively with two A short side is fixed.
7. water blocking cover structure according to claim 3, it is characterised in that: further include that both ends are fixed with two short sides respectively Water blocking end plate, the water blocking end plate are located at the lower section of the water fender of bottommost, and the water blocking end plate includes the first side being connected With the second side, first side is obliquely installed and free end is abutted against with water inlet pipe, and second side is stretched out simultaneously from the notch And extend outwardly.
8. water blocking cover structure according to claim 7, it is characterised in that: the water fender positioned at bottommost is side water fender, Second side is parallel to horizontal plane, surrounds water stream channel extended segment between the side water fender and the water blocking end plate.
9. water blocking cover structure according to claim 1-8, it is characterised in that: the upper surface of the water fender is along length Degree direction is formed with several slow water convex ribs.
10. a kind of water heater, including liner and the electric heating tube, water inlet pipe and the outlet pipe that are mounted in liner, it is characterised in that: It further include the described in any item water blocking cover structures of claim 1-9, the water inlet pipe includes the connection being fixedly connected with fixing seat Section and bottom and the water exit end parallel with the bottom of liner positioned at the liner, by inclining between the linkage section and water exit end The tilting section being tiltedly arranged is connected smoothly, and the water exit end is inserted into the box by the through hole in whole or in part In shape ontology, the tail end plugs of the water exit end, the water exit end, which is located on the tube wall of the box-like body interior section, to be spaced The apopore of perforation is distributed with, the water blocking cover structure is fixedly connected with the water inlet pipe.
11. water heater according to claim 10, it is characterised in that: the apopore is located at the top in central horizontal face, And the angle in the central axes of the apopore and the central horizontal face is acute angle, the central horizontal face is to pass through the water inlet The horizontal plane of the central axes of pipe.
12. water heater according to claim 11, it is characterised in that: length direction of the apopore along the water exit end On be arranged to a row or multi-row, when with multiple rows of, which is symmetricly set on the two of the center vertical plane Side.
13. water heater according to claim 11, it is characterised in that: the central axes of the apopore and the central horizontal The angle in face is 45 °.
14. the described in any item water heaters of 0-13 according to claim 1, it is characterised in that: during the water fender positioned at top is Water fender, the height of the apopore are higher than the water fender of the top.
CN201721880399.2U 2017-12-28 2017-12-28 A kind of water blocking cover structure and water heater Active CN208253961U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109974304A (en) * 2017-12-28 2019-07-05 青岛经济技术开发区海尔热水器有限公司 A kind of water blocking cover structure and water heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109974304A (en) * 2017-12-28 2019-07-05 青岛经济技术开发区海尔热水器有限公司 A kind of water blocking cover structure and water heater

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