1. An inner container assembly of an electric water heater, comprising:

two nonmetal inner containers (1) are arranged side by side;

at least two clamps (2), every clamp (2) all cramp in two outside nonmetal inner bag (1), just clamp (2) middle part is equipped with a supporting beam, a supporting beam sets up in two between nonmetal inner bag (1) with right nonmetal inner bag (1) supports.

2. The liner assembly of the electric water heater according to claim 1, wherein the supporting beam comprises two symmetrically arranged supporting frames (21) fixedly connected to the body of the clamp (2), and each supporting frame (21) is supported on the liner wall of one non-metal liner (1).

3. The liner assembly of the electric water heater according to claim 2, wherein the supporting frame (21) comprises an arc-shaped plate (211) and connecting plates (212) connected to two ends of the arc-shaped plate (211), the arc-shaped plate (211) clings to the liner wall of the non-metal liner (1), and the connecting plates (212) are fixedly connected to the body.

4. The liner assembly of the electric water heater according to claim 3, wherein the arc-shaped plate (211) is provided with a protrusion (2111), and the protrusion (2111) is arranged away from the non-metal liner (1).

5. The liner assembly of the electric water heater according to claim 1, wherein two ends of the supporting beam are fixedly connected to the body of the clamp (2), arc-shaped grooves are symmetrically formed at positions between two ends of the supporting beam, and the liner wall of the non-metal liner (1) is fitted in the arc-shaped grooves.

6. The liner assembly of the electric water heater according to claim 1, wherein a metal layer is embedded in the non-metal liner (1) along the circumferential direction.

7. The liner component of the electric water heater according to claim 1, further comprising a sheet metal part, wherein the sheet metal part is attached to the non-metal liner (1) at a position where the clamp (2) is not attached.

8. The inner container assembly of the electric water heater according to claim 7, wherein two clamping bands (2) are provided, the two clamping bands (2) are arranged at the end positions of the two ends of the non-metal inner container (1), and the sheet metal part is attached to the middle position of the non-metal inner container (1).

9. The liner component of the electric water heater according to claim 7 or 8, wherein the outer wall of the sheet metal part is provided with a plurality of reinforcing ribs at intervals.

10. An electric water heater comprising the liner assembly of any one of claims 1-9.

Background

The inner containers for the traditional electric water heaters are mostly made of stainless steel metal or enamel, and the inner containers of the traditional electric water heaters meet the pressure-bearing requirement, but have the problems of low insulation coefficient, poor corrosion resistance and processing cost.

To above-mentioned problem, begin to replace stainless steel metal or enamel inner bag with non-metallic inner bag (like the plastics inner bag) on the market, non-metallic inner bag has that the corrosion protection ability is good, long service life, insulating coefficient is high and processing cost low grade advantage, but because non-metallic inner bag's coefficient of thermal expansion is higher, in the use, non-metallic inner bag can lead to the external diameter grow because of the pressure-bearing in the heating process, and then arouse the water heater outward appearance change, lead to water heater outward appearance unevenness, and because the thermal expansion, also can influence non-metallic inner bag's performance.

Disclosure of Invention

The invention aims to provide an inner container assembly of an electric water heater and the electric water heater, which can improve the pressure-bearing effect of a non-metal inner container and reduce the influence of the enlarged outer diameter on the appearance of the water heater.

In order to achieve the purpose, the invention adopts the following technical scheme:

an inner bladder assembly of an electric water heater comprising:

two nonmetal inner containers are arranged side by side;

at least two clamps, every the clamp all cramps in two outside the nonmetal inner bag, just the clamp middle part is equipped with a supporting beam, a supporting beam sets up in two between the nonmetal inner bag in order to right nonmetal inner bag supports.

Preferably, the support beam comprises two support frames which are fixedly connected to the body of the hoop and symmetrically arranged, and each support frame is supported on the wall of the nonmetal liner.

Preferably, the support frame comprises an arc-shaped plate and connecting plates connected to two ends of the arc-shaped plate, the arc-shaped plate is tightly attached to the liner wall of the nonmetal liner, and the connecting plates are fixedly connected to the body.

Preferably, the arc-shaped plate is provided with a bulge, and the bulge deviates from the nonmetal inner container.

Preferably, two ends of the supporting beam are fixedly connected to the body of the clamp, arc-shaped grooves are symmetrically formed in positions between two ends of the supporting beam, and the liner wall of the non-metal liner is attached to the arc-shaped grooves.

Preferably, a metal layer is embedded in the nonmetal inner container along the circumferential direction.

Preferably, the non-metal liner clamp further comprises a sheet metal part, wherein the sheet metal part is attached to the position where the non-metal liner is not attached to the clamp.

Preferably, the clamp is equipped with two, two the clamp set up in the both ends tip position department of nonmetal inner bag, the sheet metal component subsides are located the intermediate position department of nonmetal inner bag.

Preferably, a plurality of reinforcing ribs are arranged on the outer wall of the sheet metal part at intervals.

The invention also provides an electric water heater, which comprises the liner component of the electric water heater.

The invention has the beneficial effects that: through setting up the clamp to a supporting beam that the clamp middle part set up can effectively support two nonmetal inner bags, improves its pressure-bearing effect, and when nonmetal inner bag diameter grow that is heated, the clamp can retrain nonmetal inner bag simultaneously, and then can prevent that nonmetal inner bag is because of the deformation that the pressure-bearing leads to, just also can avoid water heater outward appearance unevenness.

Drawings

FIG. 1 is a schematic structural diagram of a liner assembly of an electric water heater provided by the present invention;

FIG. 2 is a schematic perspective view of a clamp according to the present invention;

fig. 3 is a schematic structural diagram of the support frame provided by the invention.

In the figure:

1. a non-metallic inner container; 2. clamping a hoop; 21. a support frame; 211. an arc-shaped plate; 2111. a protrusion; 212. a connecting plate; 22. and (5) locking the plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

The embodiment provides an inner bag subassembly of electric water heater, as shown in fig. 1, it includes two non-metal inner bags 1 and two at least clamps 2, wherein two non-metal inner bags 1 set up side by side, and two non-metal inner bags 1 can be the plastics inner bag, and it has that the corrosion protection ability is good, long service life, insulating coefficient is high and the advantage that the processing cost is low. Above-mentioned two at least clamps 2 all cramp in the outside of two nonmetal inner bags 1 to the realization is to the cramp support of two nonmetal inner bags 1, in addition, the setting of clamp 2 also can be when nonmetal inner bag 1 heated diameter grow, retrain nonmetal inner bag 1, with the deformation that prevents that the metal inner bag leads to because of the pressure-bearing, just also can avoid water heater outward appearance unevenness.

In this embodiment, as shown in fig. 2, the clamp 2 is preferably made of a sheet metal material, and has a good strength characteristic, so that the non-metal liner 1 can be effectively restrained and supported. This clamp 2 preferred can be runway shape structure, and two nonmetal inner bags 1 are located clamp 2, and the inner wall of clamp 2 is laminated to nonmetal inner bag 1's outer wall. Further, be equipped with the opening in the one end department of clamp 2, be equipped with locking plate 22 in this open-ended both ends department, pass two locking plates 22 through the bolt to revolve wrong nut, can make two locking plates 22 be close to and final laminating, and then make clamp 2 present the state of tightening, in order to realize cramping two nonmetal inner bags 1.

Be equipped with a supporting beam at the middle part of clamp 2, a supporting beam sets up in order to support nonmetal inner bag 1 between two nonmetal inner bags 1, when supporting nonmetal inner bag 1, can assist clamp 2 to retrain nonmetal inner bag 1, and then can prevent the diameter grow that nonmetal inner bag 1 leads to because of the pressure-bearing.

In this embodiment, referring to fig. 3, the support beam includes two support frames 21 symmetrically disposed, two ends of the two support frames 21 are both fixedly connected to the inner wall of the body of the hoop 2, and each support frame 21 is supported on the liner wall of one non-metal liner 1. That is, by providing two support frames 21, the support between the two nonmetallic liners 1 can be realized. Preferably, the supporting frame 21 includes an arc plate 211 and a connecting plate 212 connected to two ends of the arc plate 211, wherein the arc plate 211 is tightly attached to the liner wall of the non-metal liner 1, and the connecting plate 212 is fixedly connected to the body of the non-metal liner 1. Because the arc 211 hugs closely nonmetal inner bag 1's courage wall, tighten up the back when clamp 2, arc 211 can carry out effective restraint to nonmetal inner bag 1, and then when nonmetal inner bag 1 heated diameter grow, arc 211 also can retrain its deformation, just also can make nonmetal inner bag 1's deformation can not transmit to electric water heater's casing, also can not lead to electric water heater's appearance to change yet.

Further, in order to improve the structural strength of the support beam and the support strength of the non-metal liner 1, a protrusion 2111 is further arranged on the arc-shaped plate 211, and the protrusion 2111 deviates from the non-metal liner 1. Preferably, the protrusion 2111 may be formed by press molding, and the protrusion 2111 is also arc-shaped.

Preferably, the metal layer can also be buried in nonmetal inner bag 1 along the circumference to this embodiment, improves nonmetal inner bag 1's pressure-bearing capacity and reduces its deformability when being heated through the setting of metal layer.

The embodiment also provides an electric water heater, which comprises the liner assembly of the electric water heater, and the liner assembly can prevent the deformation of the non-metal liner 1 caused by pressure bearing, so that the unevenness of the appearance of the water heater can be avoided.

Example two

The inner container assembly of the electric water heater provided by the embodiment is different from the first embodiment in that the structure of the supporting beam is different, specifically, two ends of the supporting beam are fixedly connected to the body of the clamp, arc-shaped grooves are symmetrically formed in positions between two ends of the supporting beam, and the inner container wall of the non-metal inner container is attached to the arc-shaped grooves. That is to say, in this embodiment, the supporting beam is disposed between the two nonmetal inner containers as an integral component, and two arc-shaped grooves are formed on the integral component to attach to the container walls of the nonmetal inner containers. After the clamp is tightened up, the arc wall also can effectively retrain the nonmetal inner bag, and then when the nonmetal inner bag diameter of being heated grow, the arc wall also can retrain its deformation, just also can make the deformation of nonmetal inner bag can not transmit the casing to electric water heater, just also can not lead to electric water heater's appearance to change.

The other structures of the liner assembly of the electric water heater provided by the embodiment are the same as those of the embodiment, and are not described again.

The embodiment also provides an electric water heater, which comprises the liner assembly of the electric water heater, and the liner assembly can prevent the deformation of the non-metal liner caused by pressure bearing, so that the unevenness of the appearance of the water heater can be avoided.

EXAMPLE III

The electric water heater's that this embodiment provided inner bag subassembly has increased the structure of sheet metal component on the basis of embodiment one or embodiment two, specifically, this embodiment is provided with the sheet metal component in the position department that non-metallic inner bag did not laminate the clamp, and this sheet metal component can be arc plate structure, and it can laminate non-metallic inner bag. Through setting up the sheet metal component, can further strengthen the bearing capacity of nonmetal inner bag for laminating clamp position department, also can retrain it when nonmetal inner bag diameter of being heated grow simultaneously to avoid the deformation of nonmetal inner bag to influence its self performance and electric water heater's outward appearance. In this embodiment, the width of this sheet metal component can set up as required, for example it can be only to laminate in the intermediate position department of nonmetal inner bag, and the clamp that the combination was located nonmetal inner bag both ends this moment can play better constraint effect to the deformation of nonmetal inner bag. It can also cover all the other positions of the non-metal inner container except the joint hoop.

Preferably, a plurality of reinforcing ribs (not shown in the figure) are arranged on the outer wall of the sheet metal part at intervals, and the arrangement of the reinforcing ribs can improve the structural strength of the sheet metal part, so that the pressure bearing capacity of the non-metal liner is improved. Further, the reinforcing ribs are in the shape of strip-shaped pits, and can be formed by punching.

The other structures of the liner assembly of the electric water heater provided by the embodiment are the same as those of the first embodiment or the second embodiment, and are not described again.

The embodiment also provides an electric water heater, which comprises the liner assembly of the electric water heater, and the liner assembly can prevent the deformation of the non-metal liner caused by pressure bearing, so that the unevenness of the appearance of the water heater can be avoided.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.