CN204006684U - Water heater liner and water heater - Google Patents

Abstract

The utility model discloses a water heater inner bag and water heater belongs to water heater and accessory field, for solving the big problem design of the current inner bag processing degree of difficulty. The inner container of the water heater comprises a first part and a second part which are connected, wherein the first part comprises a spherical first sealing head and a cylindrical first middle barrel, and the first middle barrel and the first sealing head are integrally formed; the second part comprises a spherical second end socket and a cylindrical second middle barrel, and the second middle barrel and the second end socket are integrally formed; the length of the first middle barrel is larger than that of the second middle barrel. The utility model discloses the water heater includes above-mentioned water heater inner bag. The utility model discloses water heater inner bag and water heater had both solved well bucket length too big and be difficult to the problem of processing, left the first well bucket of sufficient length again so that set up various tube holes, and processing is simple and convenient, is difficult for leaking.

Description

Water heater liner and water heater

technical field

The utility model relates to a water heater liner and a water heater equipped with the liner.

Background technique

The liner is an important component for storing water in hot water. When there are many welds, it is not only labor-intensive but also prone to water leakage. In order to solve this problem, some existing inner tanks are composed of two parts, which are welded between the two parts.

In this structure, the middle barrel and one end head are formed by rotating and stretching. The length of the middle barrel is longer, the difficulty of the rotary stretching process is greater, and the technical requirements are higher.

Utility model content

One purpose of the utility model is to provide a water heater liner which is less difficult to process and easy to weld.

Another object of the utility model is to provide a water heater inner container with a plurality of pipe holes with high positioning accuracy and convenient processing.

Another purpose of the utility model is to provide a water heater with less difficulty in processing the inner tank and less prone to water leakage.

For this purpose, on the one hand, the utility model adopts the following technical solutions:

A water heater liner, the liner includes a connected first part and a second part, the first part includes a spherical crown first head and a cylindrical first middle barrel, the first middle barrel and the first seal The head is integrally formed; the second part includes a spherical second head and a cylindrical second middle barrel, and the second middle barrel and the second head are integrally formed; the length of the first middle barrel is longer than the Describe the length of the second middle barrel.

In particular, the inner container is provided with a water outlet pipe hole and a water inlet pipe hole, and the water outlet pipe hole and the water inlet pipe hole are both arranged on the side wall of the first middle tub.

Further, magnesium rod holes are also arranged on the inner tank, and the magnesium rod holes are arranged on the side wall of the first middle barrel.

Furthermore, the outlet pipe hole, the water inlet pipe hole and the magnesium rod hole are arranged side by side on the side wall of the first middle barrel.

In particular, a flange is provided on the first sealing head or the second sealing head, and an overflow port is provided on the flange.

In particular, the first part and the second part are welded to form an inner container.

In particular, the first middle barrel and the first head are formed by multiple stretching or rotation stretching; the second middle barrel and the second head are formed by multiple stretching or rotation stretching.

On the other hand, the utility model adopts the following technical solutions:

A water heater, comprising the above water heater liner.

The middle barrel of the inner tank of the water heater of the utility model includes two parts, the first middle barrel and the second middle barrel. The length of the first middle barrel is greater than the length of the second middle barrel, which not only solves the problem of processing difficulties caused by the excessive length of the middle barrel The problem is that the length of the first middle barrel is sufficient to facilitate the installation of various pipe holes; adjacently arranging the water inlet and outlet pipe holes and the magnesium rod holes helps to improve the positioning accuracy of the pipe holes. The two parts are connected by a circular weld to form a whole inner tank, which is easy to process and not easy to leak. Suitable for all kinds of water heaters.

The water heater of the utility model comprises the above-mentioned water heater liner, which has good water leakage prevention performance, simple and convenient processing and low cost.

Description of drawings

Fig. 1 is a schematic structural view of a water heater inner tank of a preferred embodiment of the present invention;

Fig. 2 is a schematic structural view of the inner container of the water heater according to the preferred embodiment 2 of the present invention.

Labeled in the figure:

3. Weld seam; 4. Flange; 11. First head; 12. First middle barrel; 13. Outlet pipe hole; 14. Inlet pipe hole; 15. Magnesium rod hole; 21. Second head; 22, the second middle barrel; 41, the overflow port.

Detailed ways

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

Preferred embodiment one:

As shown in Figure 1, this preferred embodiment provides a water heater liner. The liner includes a connected first part and a second part, wherein the first part includes a spherical first head 11 and a cylindrical first middle barrel 12, the first middle barrel 12 and the first head 11 are multiple Formed by secondary stretching; the second part includes a spherical second head 21 and a cylindrical second middle barrel 22, the second middle barrel 22 and the second head 21 are formed by multiple stretches; the first middle barrel 12 The length is greater than the length of the second middle barrel 22.

A water outlet pipe hole 13 and a water inlet pipe hole 14 are arranged on the inner container, and both the water outlet pipe hole 13 and the water inlet pipe hole 14 are arranged on the side wall of the first middle barrel 12 . A flange 4 is provided on the first sealing head 11 , and an overflow port 41 is provided on the flange 4 . The water outlet pipe hole 13, the water inlet pipe hole 14 and the flange plate 4 are arranged on the same part of the barrel, and the positioning is more accurate, which is beneficial to the assembly and positioning of subsequent heating pipes and the like.

The first part and the second part are welded to form an inner container, and the joint of the first part and the second part forms a circular weld 3 . The outer sides of the first part and the second part are provided with protective layers.

Preferred embodiment two:

As shown in Fig. 2, this preferred embodiment provides a water heater inner container, the structure of which is basically the same as that of the first preferred embodiment. The liner includes a connected first part and a second part, wherein the first part includes a spherical first head 11 and a cylindrical first middle barrel 12, and the first middle barrel 12 and the first head 11 are integrated Molding; the second part includes a spherical second head 21 and a cylindrical second middle barrel 22, and the second middle barrel 22 and the second head 21 are integrally formed; the length of the first middle barrel 12 is greater than that of the second middle barrel Barrel 22 length.

A water outlet pipe hole 13 and a water inlet pipe hole 14 are arranged on the inner container, and both the water outlet pipe hole 13 and the water inlet pipe hole 14 are arranged on the side wall of the first middle barrel 12 . The first part and the second part are welded to form an inner container, and the joint of the first part and the second part forms a welding seam 3 .

The difference is that: the first middle barrel 12 and the first head 11 are formed by rotating and stretching, and the second middle barrel 22 and the second head 21 are also formed by rotating and stretching.

Magnesium rod holes 15 are also arranged on the liner, and the magnesium rod holes 15 are arranged on the side wall of the first middle barrel 12 . The water outlet pipe hole 13, the water inlet pipe hole 14 and the magnesium rod hole 15 are arranged side by side on the side wall of the first middle barrel 12, with accurate positioning and convenient processing.

The flange plate 4 provided with the overflow port 41 is installed on the second sealing head 12 . The length of the second middle barrel 22 is shorter, so it is easier to install the flange 4 on the second head 12 .

Preferred embodiment three:

This preferred embodiment provides a water heater liner, the structure of which is basically the same as that of the first preferred embodiment. The liner includes a connected first part and a second part, wherein the first part includes a spherical first head and a cylindrical first middle barrel, and the first middle barrel and the first head are integrally formed; the second Partly includes a spherical crown-shaped second head and a cylindrical second middle barrel, the second middle barrel and the second head are integrally formed; the length of the first middle barrel is greater than the length of the second middle barrel.

The difference is that the fixed connection method between the first part and the second part is not limited to welding, and other methods that can connect the two parts to form the inner tank are also available. The water inlet pipe hole, the water outlet pipe hole and/or the magnesium rod hole can all be located on the side wall of the first middle barrel, and the water inlet pipe hole and the water outlet pipe hole can also be located on the side wall of the first middle barrel, while the magnesium rod hole is located on the other side wall. side. Both the first part and the second part are integrally formed, but the specific process is not limited, and may be formed by multiple stretching or rotational stretching. The flange can be located on the same part as the water inlet pipe hole and the water outlet pipe hole, and can also be located on a different part.

Preferred embodiment four:

This preferred embodiment provides a water heater, the water heater is provided with the water heater liner as described in any one of preferred embodiments 1 to 3.

Claims (7)

1. a water heater liner, described inner bag comprises first and the second portion being connected, it is characterized in that, first comprise first end socket (11) of spherical crown shape and tubular first in bucket (12), bucket (12) and the first end socket (11) are formed in one in described first; Second portion comprise second end socket (21) of spherical crown shape and tubular second in bucket (22), bucket (22) and the second end socket (21) are formed in one in described second; In described first, the length of bucket (12) is greater than the length of bucket (22) in described second; On inner bag, be provided with water outlet pore (13) and water inlet pore (14), described water outlet pore (13) and water inlet pore (14) are all arranged on the sidewall of bucket (12) in described first.

2. water heater liner according to claim 1, is characterized in that, is also provided with magnesium rod hole (15) on described inner bag, and described magnesium rod hole (15) is arranged on the sidewall of bucket (12) in described first.

3. water heater liner according to claim 2, is characterized in that, described water outlet pore (13), water inlet pore (14) and magnesium rod hole (15) are set up in parallel on the sidewall of bucket (12) in described first.

4. according to the arbitrary described water heater liner of claims 1 to 3, it is characterized in that, described the first end socket (11) is gone up or the second end socket (12) is provided with ring flange (4), and described ring flange (4) is provided with overfall (41).

5. according to the arbitrary described water heater liner of claims 1 to 3, it is characterized in that, described first and second portion welding form inner bag.

6. according to the arbitrary described water heater liner of claims 1 to 3, it is characterized in that, bucket (12) and the first end socket (11) are multi-drawing formation or circumgyration stretch formation in described first;

In described second, bucket (22) and the second end socket (21) are multi-drawing formation or circumgyration stretch formation.

7. a water heater, is characterized in that, described water heater comprises the water heater liner as described in as arbitrary in claim 1 to 6.