A kind of New-type water heater inner bag
Technical field
The utility model relates to a kind of inner bag, is specifically related to a kind of novel internal bladder be applied on air-source water heater.
Background technology
Along with the development of society, air-source water heater, with safety, energy-conservation advantage, becomes the new lover in market gradually, more and more welcomed by the people.Its problem such as effective utilization, life-span also receives much concern simultaneously.
At present, the air-source water heater that China mainly uses has two kinds: internal coil-tube type and external coiled pipe type.Wherein internal coil-tube type is due to water quality reason, and heat(ing) coil under water can corrode, and its service life is generally no more than 5 years; External coiled pipe type is owing to being by coil pipe outside inner bag, so it does not almost have corrosion risk, the former length of also comparing its service life is a lot.
Based on service life and safe reason, at present, external coiled pipe type air-source water heater starts to replace internal coil-tube type gradually.But what can not ignore is because heat(ing) coil is outside inner bag, when coil lengths is identical, its heat efficiency is low relative to internal coil-tube type a lot.How to improve the heat efficiency of external coiled pipe type air-source water heater, become the main difficult technical of many manufacturers and researcher?
According to national performance criteria, some manufacturers start to adopt longer coil pipe to ensure to be up to state standards.Or break through existing single bladder structure, and use two bladder structure instead, to ensure that water heater temperature keeps constant temperature.But rolling up of its production cost inevitably brought is born with the purchase of consumer.
Utility model content
The purpose of this utility model, overcome the deficiencies in the prior art exactly, a kind of New-type water heater inner bag is provided, this inner bag not only can improve the heat efficiency of air-source water heater greatly, and it has advantages such as intensity is high, hot water temperature is even, Energy Efficiency Ratio is high, long service life, and structure is simple, production cost is low.
In order to achieve the above object, following technical scheme is adopted:
A kind of New-type water heater inner bag, includes the stack shell of one about both ends open, and is sealedly connected on the upper cover of two openends and the low head of described stack shell respectively, the upper open end being connected to stack shell that described upper cover is given prominence to from inside to outside; Described low head is from the lower open end being connected to stack shell caved in outside to inside.
As a kind of specific embodiment, described low head includes inner fovea part, and is arranged on the below of inner fovea part, with the first reinforcement of the edge conjunction of inner fovea part.
Further, the edge conjunction of described inner fovea part is on the inwall of the lower open end of stack shell.
Further, described first reinforcement is annulus reinforcement.
As a kind of specific embodiment, described low head includes inner fovea part, and the flange of edge conjunction with inner fovea part; Described flange is connected with the lower open end of stack shell.
Preferably, described flange includes the first inner concave arc surface and vertical section that are connected successively with the edge of inner fovea part; The described outer surface of vertical section is connected with the inwall of the lower open end of stack shell is adherent.
Preferably, described flange includes the first outer cancave cambered surface and the horizontal segment be connected successively with the edge of inner fovea part; The edge conjunction of the edge of described horizontal segment and the lower open end of stack shell.
Preferably, described flange includes the first outer cancave cambered surface, horizontal segment, the second arc surface and the vertical section that are connected successively with the edge of inner fovea part; The described top of vertical section is connected with the end face of the openend of stack shell.
Further, described low head also includes the second reinforcement of the below being arranged on inner fovea part.
Preferably, described second reinforcement is plectane reinforcement or some low head supporting plates.
Further, the inner fovea part of described low head spherically shape.
Further, described stack shell, upper cover and low head has enamel layer.
Compared with prior art, the beneficial effects of the utility model are:
(1) bearing capacity is strong.Namely the utility model, by the low head of existing air-source water heater inner bag is designed to inner concave shape, is also arranged on the lower open end of inner bag stack shell from outstanding outside to inside, because its indent constructs, greatly strengthen the bearing capacity bottom low head; The utility model is also equipped with bottom reinforcement in the bottom of low head, adopt different reinforcements, make the pressure-bearing effect bottom air-source water heater inner bag better according to the design of different low heads.
(2) hot water is even, hot water usefulness is high.The utility model, by adopting the design of low head inner concave shape, makes the water capacity of bottom reduce.Meanwhile, because low head adopts inner concave shape, also namely low head is arranged on the lower open end of inner bag stack shell from outstanding outside to inside; Efficiently solving existing biconvex inner bag due to low head is the sphere protruded, and cannot fix heat exchange coil in the above, thus the water in bottom bulkhead is difficult to be heated, and causes the problem that the usefulness of air-source water heater is low.Bottom the utility model low head, heat exchange coil coils completely, and the water in whole inner bag is heated evenly, and air-source water heater usefulness is high.
(3) height of enamel level determines inner bag quality and the key in life-span, the utility model low head and stack shell lower open end adopt special docking structure, effectively ensure that air-source water heater inner bag enamel excess smoothness, thus enhance inner bag antiseptic power, long service life; The simultaneously welding of the utility model inner bag and enamel can disposablely complete, and production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is A place of the present utility model enlarged drawing.
Fig. 3 is the structural representation of the utility model embodiment 2.
Fig. 4 is B place of the present utility model enlarged drawing.
Fig. 5 is the structural representation of the utility model embodiment 3.
Fig. 6 is C place of the present utility model enlarged drawing.
Fig. 7 is the structural representation of the utility model embodiment 4.
Fig. 8 is D place of the present utility model enlarged drawing.
Fig. 9 is the structural representation of the New-type water heater inner bag of the utility model band low head supporting plate.
Detailed description of the invention
Describe the utility model in detail below in conjunction with accompanying drawing and specific implementation method, be used for explaining the utility model in exemplary embodiment and description of the present utility model, but not as to restriction of the present utility model.
Embodiment 1
As shown in Figure 1, a kind of New-type water heater inner bag, include a stack shell 2, and be sealedly connected on the upper cover 1 of two openends and the low head 3 of described stack shell 2, described upper cover 1 is the outstanding upper open end 21 being connected to stack shell 2 from inside to outside, and also namely upper cover head is protruding upwardly arranged on the upper open end 21 of stack shell 2; Described low head 3 is from the outstanding lower open end 22 being connected to stack shell 2 outside to inside, and also namely low head 3 arranges with the edge conjunction of the lower open end 22 of stack shell 2 to stack shell 2 indent.
As shown in Figure 2, described low head 3 includes inner fovea part 31; And be arranged on the bottom of inner fovea part 31, with the first reinforcement 4 of the edge conjunction of inner fovea part 31; Preferably, described first reinforcement 4 is annulus reinforcement.Described low head 3 is connected on the inwall of lower open end 22 of stack shell 2.
Wherein, the inner fovea part 31 of described low head 3 can spherically shape.It should be noted that, the shape of inner fovea part is not restricted to dome shape, as long as utilize the shape of the water capacity reducing low head bottom inner bag, all in protection domain of the present utility model.
Wherein, described stack shell 2, upper cover 1 and low head 3 all has enamel layer.
The utility model is by being designed to inner concave shape by the low head 3 of existing air-source water heater inner bag, and also namely low head 3 is arranged on the lower open end 22 of inner bag stack shell 2 from caving in outside to inside, because its indent constructs, greatly strengthen the bearing capacity bottom low head; The present embodiment has also added annulus reinforcement 4 in the bottom of low head 3, further enhancing the bearing capacity bottom water heater liner.
Meanwhile, because low head 3 is designed in export-oriented stack shell outstanding, the water capacity of bottom is reduced; And solve all outstanding stack shell of existing upper and lower end socket well, especially low head is the sphere protruded, and cannot fix heat exchange coil, so that the technical barrier that inner bag hot water is uneven, hot water usefulness is low on low head sphere.Low head to stack shell indent, be then level and smooth bottom inner bag, therefore heat exchange coil can coil completely, and make inner bag hot water even, air-source water heater usefulness is high.
Wherein, the height of enamel level determines inner bag quality and the key in life-span, and the utility model low head and stack shell lower open end adopt special docking structure, effectively ensure that air-source water heater inner bag enamel excess smoothness, thus enhance inner bag antiseptic power, long service life; The simultaneously welding of the utility model inner bag and enamel can disposablely complete, and production efficiency is high.
Embodiment 2
Embodiment 2 is another kind of embodiments of the present utility model, and it is substantially identical with the technical scheme of embodiment 1, and difference is mainly:
Described low head 3 includes inner fovea part 31, and with the flange 32 of the edge conjunction of inner fovea part 31; Described flange 32 is connected with the lower open end 22 of stack shell 2.
As shown in Figure 3,4, described flange 32 can be include the first inner concave arc surface 321 and vertical section 322 that are connected successively with the edge of inner fovea part 31.The outer surface of described vertical section 322 and the inwall of stack shell 2 lower open end 22 are fitted, also i.e. adherent connection.It should be noted that, the face of outer surface namely in stack shell of described vertical section 322.
Wherein, because adopt the vertical section 322 of flange 32 to be connected with lower open end, and being provided with it, to weld contact position be contact surface.The bearing capacity of contact surface is compared to contact point, and the former bearing capacity is stronger.Therefore do not add reinforcement, the effect strengthening bottom bearing capacity can be reached equally.
It should be noted that, according to use needs, vertical segment length can be increased, to increase contact surface, thus the bearing capacity needed for strengthening.
Embodiment 3
Embodiment 3 is another kind of embodiments of the present utility model, and it is substantially identical with the technical scheme of embodiment 2, and difference is mainly:
As shown in Figure 5,6, described flange also can be include the first outer cancave cambered surface 323 and the horizontal segment 324 be connected successively with the edge of inner fovea part 31.The edge conjunction of the edge of described horizontal segment 324 and the lower open end 22 of stack shell 2.
Wherein, compared to the first preferred flange, what this preferred flange contacted with stack shell is contact point, therefore in order to strengthen the bearing capacity of low head 3 bottom water heater liner, is also provided with the second reinforcement 4 in the below of inner fovea part 31.
Wherein, for the ease of welding and enamel transitions smooth, described second reinforcement 4 selects plectane reinforcement, and described plectane reinforcement is connected with the inner surface of the first outer cancave cambered surface.
Preferably, described second reinforcement 4 also can be as the second reinforcement 4 in Fig. 9, is some low head supporting plates, is set directly at the below of the inner fovea part of low head, hold bottom whole inner bag.It should be noted that, the face of inner surface namely outside stack shell inside of described first outer cancave cambered surface.
Embodiment 4
Embodiment 4 is another kind of embodiments of the present utility model, and it is substantially identical with the technical scheme of embodiment 3, and difference is mainly:
As shown in Figure 7,8, in order to welding and enamel time further are more level and smooth, thus the efficiency of inner bag service life and production is increased.Described flange 32 can also be include the first outer cancave cambered surface 323, horizontal segment 324, second arc surface 325 and the vertical section 326 that are connected successively with the edge of inner fovea part 31.The top of described vertical section 326 is connected with the end face of the lower open end 22 of stack shell 2.Meanwhile, because comprise two sections of cambered surfaces, smoothness and bearing capacity is further enhanced.
Wherein, in order to strengthen the bearing capacity of low head 3 bottom water heater liner, be provided with the second reinforcement 4 in the below of inner fovea part 31.
Preferably, described second reinforcement 4 can select plectane reinforcement, and described plectane reinforcement is connected with the inner surface of the first outer cancave cambered surface.
As shown in Figure 9, preferably, described second reinforcement 4 also can be some low head supporting plates, is set directly at the below of the inner fovea part of low head, holds bottom whole inner bag.
Above the technical scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, detailed description of the invention and range of application all will change, and in sum, this description should not be construed as restriction of the present utility model.