CN200955854Y

CN200955854Y - Improved water heater

Info

Publication number: CN200955854Y
Application number: CN 200620137195
Authority: CN
Inventors: 邹国营; 范余辉
Original assignee: NINGBO SHUAIKANG WATER HEATER CO Ltd
Current assignee: NINGBO SHUAIKANG WATER HEATER CO Ltd
Priority date: 2006-10-18
Filing date: 2006-10-18
Publication date: 2007-10-03
Anticipated expiration: 2016-10-18

Abstract

The utility model relates to an improved water heater, which consists of a cover, an interior flask, an inlet pipe, an outflow pipe, and heating pipes. The inferior flask described above consists of a barrel body and tow convex semicircle covers at both ends of the barrel body; a hold for jet lining is designed at one of the tow ends; a plug concave towards the inside of the interior is fixed on the hole. The interior of the present invention adopts tow outward convex covers, and designed a hold for the porcelain lining, which is easy for interior manufacturing. Meanwhile, in order to improve the threshold of pressure, an inward concave plug is welded to the concave. Since the area of plug is relatively small, the pressure threshold is fairly high, which suitable for the use in countries and areas where water pressure is high.

Description

A kind of improved water heater

Technical field

The utility model relates to a kind of pot-type boiler.

Background technology

Water heater liner of the prior art mainly contains two kinds, a kind of be two semicircle end caps of inner bag all to evagination, another kind be one of two end cap of inner bag to evagination, one concaves.As China Patent No. is the ZL96110523.2 utility model patent, a kind of manufacture method of inner container of electric water heater is disclosed, the inner bag of Zhi Zaoing has three kinds of patterns according to the method, a kind of is that two end cap all is cambered outwards, another kind is that two end caps of inner bag all are inside, and another is one and concaves to evagination, one.In above-mentioned three kinds of schemes, the end cap of indent easily toward turning up, also becomes two evagination end caps under the high pressure effect, cause the water heater structural deterioration.In addition, such scheme is wanted earlier inner bag staving and two end cap to be carried out the enamel processing, two end cap is welded on the staving again.Therefore, influenced the enamel effect of inner bag.

The utility model content

Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of inner bag bearing capacity height, enamel water heater easily is provided.

A kind of improved water heater that provides according to the utility model, comprise the heating tube that a shell, is positioned at the inner bag of described shell, the water inlet pipe, the outlet pipe that communicate with described inner bag and stretches into described inner bag, it is characterized in that: described inner bag comprises that a ladle body and two lays respectively at the cambered outwards semicircle end cap at described ladle body two ends, wherein offer a circular hole that is used to spray on the described end cap, be fixed with a plug to described inner bag cavity indent on the described circular hole.

A kind of improved water heater that provides according to the utility model also has following attached technical characterictic:

The both sides of described inner bag are respectively equipped with one group of water inlet pipe and outlet pipe.

The part of described water inlet pipe stretches in the described inner bag, and is bent downwardly.

The part of described outlet pipe stretches in the described inner bag, and is bent upwards.

Described heating tube is installed on the described ladle body.

The perisporium of described circular hole is formed with a bulge loop, and described plug is welded on the described bulge loop inwall.

A kind of improved water heater that provides according to the utility model compared with prior art has following advantage: at first, inner bag of the present utility model adopts the end cap of two evaginations, and at one end cover and be provided with the circular hole that an enamel is used, be beneficial to the inside processing of inner bag, simultaneously, in order to improve the bearing strength of inner bag, the plug of welding one indent on circular hole is because the area of plug is less relatively, therefore, its bearing capacity is very high, and use the countries and regions that are fit to some high hydraulic pressure; Secondly, the both sides of water heater respectively are provided with one group of water inlet pipe and outlet pipe, can make things convenient for the installation of water heater, and simultaneously, the water inlet pipe of opposite side and outlet pipe also can be used as the reserved opening of heat pump, solar energy, indoor heating etc.; Once more, water inlet pipe is bent downwardly, and outlet pipe is bent upwards, and can flow along the camber line of inner bag end face when cold water charges into inner bag, thereby makes cold water and hot water be unlikely to rapid mixing, improves rate of thermal water utilization.

Description of drawings

Fig. 1 is a cutaway view of the present utility model.

Fig. 2 is that cutaway view is looked on the right side of the present utility model.

The specific embodiment

Referring to Fig. 1 and Fig. 2, in a kind of embodiment that the utility model provides, comprise the heating tube 5 that a shell 1, is positioned at the inner bag 2 of described shell 1, the water inlet pipe 3, the outlet pipe 4 that communicate with described inner bag 2 and stretches into described inner bag.Described heating tube 5 is connected with power supply and control device, and described control device is controlled the work of described heating tube 5.

Referring to Fig. 1 and Fig. 2, the difference of the utility model and prior art is, described inner bag 2 comprises that a ladle body 21 and two lays respectively at the cambered outwards

semicircle end cap

22,23 at described ladle body 21 two ends, wherein offer a circular hole that is used to spray 24 on the described end cap 22, be fixed with a plug 25 to described inner bag 2 cavity indents on the described circular hole 24.Described circular hole 24 is used for the inside processing of described inner bag 2 to be used, and therefore, the utility model can weld together two

end cap

22,23 and ladle body 21 earlier, and the inside by 24 pairs of inner bags of described circular hole processes then.But offer the bearing capacity that described circular hole 24 can reduce inner bag 2, therefore, at the plug 25 of an indent of described circular hole 24 places welding.Because described plug 25 is less relatively, so it has higher bearing capacity, has guaranteed that the integral body of whole water heater has higher bearing capacity.As seen, the utility model has guaranteed that promptly the inside of inner bag 2 is easy to process, has guaranteed that again the inner bag 2 after the processing has higher bearing capacity, is fit to some high hydraulic pressure countries and regions and uses.

Referring to Fig. 1, in the foregoing description that the utility model provides, the both sides of described inner bag 2 are respectively equipped with one group of water inlet pipe 3 and outlet pipe 4.The utility model is provided with two cover water inlet pipe 3 and outlet pipes 4, and the user can arbitrarily install, and not limited by the position of water inlet pipe 3 and outlet pipe 4.Simultaneously, the water inlet pipe 3 of opposite side and outlet pipe 4 can be used as the reserved opening of other thermals source or heating equipment, have made things convenient for use.

Referring to Fig. 1, in the foregoing description that the utility model provides, the part of described water inlet pipe 3 stretches in the described inner bag 2, and is bent downwardly.The part of described outlet pipe 4 stretches in the described inner bag 2, and is bent upwards.The cold water that said structure can guarantee to enter described inner bag 2 flows along the camber line of inner bag end face, thereby makes cold water and hot water be unlikely to rapid mixing, has improved the utilization rate of hot water.

Referring to Fig. 2, in the foregoing description that the utility model provides, described heating tube 5 is installed on the described ladle body 21.The installation that can reduce heating tube 5 has to greatest extent also made things convenient for simultaneously the installation and the use of electrical control equipment to the influence that the bearing capacity of described inner bag 2 causes.

Referring to Fig. 1 and Fig. 2, in the foregoing description that the utility model provides, in order further to improve the bonding strength between described circular hole 24 and the described plug 25, the perisporium of described circular hole 24 is formed with a bulge loop 26, and described plug 25 is welded on described bulge loop 26 inwalls.

Above preferred embodiment only supplies the usefulness of explanation the utility model, and is not to restriction of the present utility model.Those of ordinary skill in the art under guiding, also can make various distortion and conversion, so all equivalent technical solutions all belongs to protection domain of the present utility model in not breaking away from spirit and scope of the present utility model.

Claims

1, a kind of improved water heater, comprise that a shell (1), is positioned at the inner bag (2) of described shell (1), the water inlet pipe (3) that communicates with described inner bag (2), outlet pipe (4) and stretches into the heating tube (5) of described inner bag, it is characterized in that: described inner bag (2) comprises that a ladle body (21) and two lays respectively at the cambered outwards semicircle end cap at described ladle body (21) two ends (22,23), wherein offer a circular hole that is used to spray (24) on the described end cap (22), be fixed with a plug (25) to described inner bag (2) cavity indent on the described circular hole (24).

2, a kind of improved water heater as claimed in claim 1 is characterized in that: the both sides of described inner bag (2) are respectively equipped with one group of water inlet pipe (3) and outlet pipe (4).

3, a kind of improved water heater as claimed in claim 1 or 2, it is characterized in that: the part of described water inlet pipe (3) stretches in the described inner bag (2), and is bent downwardly.

4, a kind of improved water heater as claimed in claim 1 or 2, it is characterized in that: the part of described outlet pipe (4) stretches in the described inner bag (2), and is bent upwards.

5, a kind of improved water heater as claimed in claim 1, it is characterized in that: described heating tube (5) is installed on the described ladle body (21).

6, a kind of improved water heater as claimed in claim 1, it is characterized in that: the perisporium of described circular hole (24) is formed with a bulge loop (26), and described plug (25) is welded on described bulge loop (26) inwall.