CN217952716U - Non-pressure-bearing electric water heater - Google Patents

Abstract

The utility model discloses a non-pressure-bearing electric water heater, which comprises an inner container; the reinforcing ring is assembled on the outer side wall of the inner container; the foaming piece can be bonded with the reinforcing ring into a whole through foaming and forming, and forms a reinforcing body surrounding the outer side of the inner container so as to increase the weighing strength of the inner container. Through the cooperation of foaming spare and reinforcing ring, increased the bearing surface that the reinforcing ring was used in on the inner bag, and then increased the intensity of weighing of inner bag effectively. The strength and rigidity of the inner container are further improved, so that the inner container further keeps stable and balanced capacity. In addition, the foaming piece can also effectively keep warm to the inner bag, keeps the heat in the inner bag better, has solved electric water heater's inner bag and has born the atress problem.

Description

Non-pressure-bearing electric water heater

Technical Field

The utility model relates to an electric water heater field especially relates to a non-pressure-bearing formula electric water heater.

Background

The existing electric water heater is generally installed in a bathroom, so that the electric water heater occupies a certain space in the bathroom, and in order to avoid the problem that the structural size of the existing electric water heater is too large, particularly the structural size of an inner container in the electric water heater is too large, and simultaneously consider to utilize the space of the bathroom to a greater extent, therefore, the inner container of the existing electric water heater is usually designed into a cylindrical shape or a double-inner-container type, but the inner container is designed into the cylindrical shape or the double-inner-container type, and the utilization rate of the electric water heater in the space of the bathroom is not substantially improved.

In view of the above-mentioned problem of structural size of the inner container in the electric water heater, research and development personnel gradually design and research the inner container of the electric water heater in a special-shaped direction, but the special-shaped inner container has a problem that the inner container is not beneficial to stress. In addition, in the development trend of the inner container of the electric water heater, research and development personnel also design an enamel inner container, such as an enamel pressure-bearing water tank with an arc-shaped end enclosure disclosed in the publication No. CN208124643U published in 11/20/2018, the prior art discloses the electric water heater which sequentially comprises a shell, a heat preservation layer and the inner container from outside to inside, wherein the shell is a detachable shell, the shell is formed by splicing a shell, a top cover and a bottom cover, wheels are further arranged at the bottom of the bottom cover, the heat preservation layer is formed by splicing an upper foaming layer, a lower foaming layer and a middle foaming layer, the middle foaming layer is formed by splicing a left half part and a right half part, the left half part and the right half part can be detached, a magnesium rod and an enamel heating rod are inserted into the inner container for heating water, the shell is cylindrical, an opening is formed in the top of the shell, an arc-shaped end enclosure is arranged at the opening of the top of the shell, and the arc-shaped end enclosure is reversely buckled at the contact position of the top of the cylindrical shell. Therefore, the problem of the bearing capacity of the inner container still exists when the stress of the inner container is supported on the shell and the foamed heat-insulating layer.

In summary, the bearing stress problem of the liner of the current electric water heater needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one defect in the prior art, the utility model provides a non-pressure-bearing electric water heater, the inner bag of having solved electric water heater bears the atress problem.

The utility model discloses a solve the technical scheme that its problem adopted and be:

an unpressurized electric water heater comprising:

an inner container;

the reinforcing ring is assembled on the outer side wall of the inner container;

the foaming piece can be bonded with the reinforcing ring into a whole through foaming molding, and forms a reinforcing body arranged around the outer side of the inner container to increase the weighing strength of the inner container.

Through the cooperation of foaming spare and reinforcing ring, increased the bearing surface that the reinforcing ring was used in on the inner bag, and then increased the intensity of weighing of inner bag effectively. The strength and rigidity of the inner container are further improved, so that the inner container further keeps stable and balanced capacity. In addition, the foaming piece can also effectively keep warm to the inner bag, keeps the inside heat of inner bag in the inner bag better.

Furthermore, the reinforcing rings are arranged at the two opposite ends of the inner container, so that the inner container is stressed in a balanced manner.

Further, a reinforcing groove is formed in the reinforcing ring along the circumferential direction.

Furthermore, an arched inner buckling part is arranged inside the reinforcing groove, the top of the inner buckling part extends out of the reinforcing groove, and the top of the inner buckling part and the reinforcing ring form a bayonet for inserting and matching with the heat insulation clamping piece. Under the effect of detaining portion in, not only reach in detaining the purpose that portion and stores pylon assembled, still make the structure of beaded finish more firm simultaneously, reach the purpose that has improved the structural strength of beaded finish.

Further, the non-pressure-bearing electric water heater also comprises an outer shell, and the inner container and the reinforcement body are assembled and fixed inside the outer shell.

Further, the non-pressure-bearing electric water heater further comprises a hanging frame, wherein a mounting hole in threaded connection with a bolt is formed in the inner buckling part, and the hanging frame penetrates through the outer shell through the bolt and is connected with the inner buckling part.

Further, a pressure release valve is arranged on the inner container and used for releasing the pressure in the inner container; be provided with the pressure release opening on the reinforcement, the relief valve is located the inside of pressure release opening then reaches the purpose that guarantees that the internal pressure in the inner bag does not exceed the upper limit of the regulation through the relief valve, and the relief valve passes through the purpose that the dismouting pipeline of being convenient for was realized to the pressure release opening.

Furthermore, a water injection port and a water outlet port are arranged on the reinforcement body, the water injection end of the inner container is located inside the water injection port, the water outlet end of the inner container is located inside the water outlet port, and the water outlet end of the inner container achieves the purpose of dismounting the pipeline through the water outlet port.

Furthermore, a water return port is further formed in the reinforcement body, the water return end of the inner container is located inside the water return port, and the purpose of dismounting and mounting the pipeline is achieved through the water return port by the water return end of the inner container.

Further, the inner container is a high polymer inner container, and the foaming piece is a polyurethane foaming piece or/and a heat insulation cotton foaming piece. The high polymer liner not only enables the liner to have flexibility and high temperature resistance, but also achieves the effect of no need of considering corrosion prevention. In addition, the polyurethane foaming piece and the heat-insulation cotton foaming piece not only realize the purpose of well insulating the inner container, but also have the effect of uniformly stressing the inner container.

To sum up, the utility model provides a pair of non-pressure-bearing formula electric water heater has following technological effect:

the reinforcing body structure is formed by bonding the reinforcing ring and the foaming piece into a whole, so that the bearing surface acting on the inner container is greatly increased, the weighing strength of the inner container is effectively increased, the strength and rigidity of the inner container are further improved, the stress is more balanced, the stability of the inner container structure is facilitated, the problem of bearing stress of the inner container of the existing electric water heater is solved, and the design and research and development of the special-shaped inner container structure are facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of a non-pressure-bearing electric water heater according to the present invention;

fig. 2 is a first internal structural view of the non-pressure-bearing electric water heater of the present invention;

fig. 3 is a second internal structure diagram of the non-pressure-bearing electric water heater of the present invention;

FIG. 4 is a schematic structural view of a reinforcing ring of the present invention;

fig. 5 is a schematic view of an appearance structure of the non-pressure-bearing electric water heater of the present invention.

An icon: 11-inner container, 111-water injection end, 112-water outlet end, 113-water return end, 12-reinforcing ring, 121-reinforcing groove, 13-foaming piece, 14-inner buckle part, 141-mounting hole, 142-bayonet, 15-outer shell, 16-hanging rack, 17-pressure release valve, 181-pressure release port, 182-water injection port, 183-water outlet port and 184-water return port.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Fig. 2 is a first internal structure diagram of the unpressurized electric water heater, and fig. 3 is a second internal structure diagram of the unpressurized electric water heater, wherein, in order to make the structures of the foaming member 13 and the reinforcing ring 12 and the assembly relationship between the two more clear, the half-section of the foaming member 13 in fig. 2 and fig. 3 is illustrated.

Specifically please show with reference to fig. 2 and 3, the utility model discloses a non-pressure-bearing electric water heater, which comprises a reinforcing ring 12, a foaming member 13 and an inner container 11 for storing liquid medium, wherein the liquid medium is usually selected to be convenient for supplying tap water into the inner container 11, the diameter of the inner ring of the reinforcing ring 12 can be adapted to the outer diameter of the inner container 11, the convenience of assembly between the reinforcing ring 12 and the inner container 11 is considered, the diameter of the inner ring can be larger than the outer diameter of the inner container 11 within the range of assembly tolerance and design tolerance, and the reinforcing ring 12 is assembled on the outer side wall of the inner container 11;

the assembly referred to here is optionally a welded connection, i.e. the reinforcement ring 12 is welded to the outside of the inner container 11. The reinforcing ring 12 is preferably made of section steel. Under the action of the reinforcing ring 12, the strength and rigidity of the inner container 11 are enhanced, the stability failure of the inner container 11 is prevented, the stability and balance of the inner container 11 are kept, and the allowable pressure of the inner container 11 is increased.

As the core of the scheme, the foaming piece 13 can be bonded with the reinforcing ring 12 into a whole through foaming molding, and forms a reinforcing body surrounding the outer side of the inner container 11, so that the inner side of the reinforcing body is abutted against the outer side wall of the inner container 11, namely, the reinforcing ring 12 and the foaming piece 13 are matched for use, the bearing surface of the reinforcing ring 12 acting on the inner container 11 is increased, and the weighing strength of the inner container 11 is effectively increased. Therefore, the strength and rigidity of the liner 11 are further improved, so that the liner 11 further maintains the stability and balance capability. In addition, the foaming piece 13 can effectively keep the temperature of the inner container 11, and the heat inside the inner container 11 can be better kept in the inner container 11.

In the present embodiment, fig. 1 shows a schematic overall structure of the unpressurized electric water heater, wherein the outer shell 15 and the foaming member 13 in fig. 1 are both illustrated in a half-section. The non-pressure-bearing electric water heater also comprises an outer shell 15, and the inner container 11 and the reinforcement body are assembled and fixed in the outer shell 15. The inner container 11 is preferably a high polymer inner container, that is, the material of the inner container 11 may be rubber or plastic, that is, a PP inner container, a TPV inner container or a PP + GF inner container, so that the inner container 11 has flexibility and high temperature resistance. More unexpectedly, the high polymer liner is selected without considering the purpose of corrosion prevention.

In addition, the foaming piece 13 is preferably a polyurethane foaming piece 13, the foaming piece 13 utilizes the characteristics of good heat preservation and heat insulation, aging resistance and elasticity of polyurethane materials, so that the reinforcement has good heat preservation performance, meanwhile, the high hardness performance of the polyurethane materials can be utilized to match with the structure of the liner 11, the thickness between the liner 11 and the reinforcement can be thinner, or the heat preservation cotton foaming piece 13 can be selected, and the purpose of preserving heat of the liner 11 is realized through the material characteristics of the heat preservation cotton. It should be noted that the reinforcement may be formed by combining the polyurethane foam 13 with the thermal insulation cotton foam 13, that is, after the polyurethane foam 13 is integrated with the reinforcing ring 12, the thermal insulation cotton foam 13 is disposed on a side of the polyurethane foam 13 close to the outer shell 15 and is fixedly bonded to the polyurethane foam 13.

Further, a plurality of reinforcing rings 12 may be provided, specifically, as shown in fig. 1, fig. 2 and fig. 3, two reinforcing rings 12 are preferably provided, and the two reinforcing rings 12 are respectively provided at two opposite ends of the inner container 11, so that the gravity of the inner container 11 and the gravity of the liquid medium carried in the inner container 11 can respectively act on the reinforcing rings 12 at the two opposite ends of the inner container 11, thereby balancing the stress of the inner container 11.

Specifically, as shown in fig. 4, and as shown in fig. 1, fig. 2 and fig. 3, the reinforcing ring 12 of the unpressurized electric water heater is provided with a reinforcing groove 121 along the circumferential direction. Utilize the cell wall structure of beaded finish 121, realize effectively that the purpose of reinforcing the rigidity and the stability of inner bag 11 through beaded finish 12, wherein, beaded finish 12 can adopt the channel-section steel to bend and weld the processing and make, then beaded finish 121 sets up preferably to one, of course, beaded finish 12 also can adopt the I-steel to bend and weld the processing and make, then the inside and outside of beaded finish 12 all is provided with beaded finish 121 along circumference.

Further, as shown in fig. 2 and 4, two inner fastening portions 14 are disposed inside the reinforcing groove 121, each of the two inner fastening portions 14 is arched, the top of each of the two inner fastening portions 14 extends out of the reinforcing groove 121, and the top of each of the inner fastening portions 14 and the reinforcing ring 12 form a bayonet 142.

It should be noted that the number of the internal fastening parts 14 is not limited to two, and may be one, three, four, five, etc., the top of each internal fastening part 14 and the bayonet 142 formed by the reinforcing ring 12, and the thermal insulation fastener is inserted and matched to the bayonet 142.

As shown in fig. 4, two opposite sides of the inner fastening portion 14 are fixedly connected to two groove walls of the reinforcement groove 121, so that the structure of the reinforcement ring 12 is more stable, and the stability of the reinforcement ring 12 is stronger.

In addition, fig. 5 shows an appearance structure schematic diagram of a non-pressure-bearing electric water heater, the non-pressure-bearing electric water heater further includes a hanging rack 16 for installing and fixing the electric water heater to a wall, a mounting hole 141 for screwing with a bolt is provided on the inner fastening portion 14, and the hanging rack 16 penetrates through the outer casing 15 through the bolt and is connected with the inner fastening portion 14. Further, the heat insulation clamping piece is provided with a threaded hole matched with the bolt, the bolt penetrates through the outer shell 15 and is sequentially in threaded connection with the inner buckling part 14 and the heat insulation clamping piece, and the purpose that the hanging rack 16 is stably assembled on the outer shell 15 and the inner buckling part 14 is achieved.

Specifically, as shown in fig. 1 and fig. 2, a pressure release valve 17 for releasing the internal pressure of the inner container 11 is assembled on the inner container 11 to ensure that the internal pressure in the inner container 11 does not exceed a predetermined upper limit, wherein the reinforcement is provided with a pressure release port 181, and the pressure release valve 17 is located inside the pressure release port 181 of the reinforcement. Thereby avoid the reinforcement to produce the extrusion and influence the action that relief valve 17 carried out the pressure release to relief valve 17, in addition, the pressure release pipe can be connected to relief valve 17 through pressure release port 181 for the inside of inner bag 11 is linked together through relief valve 17 and pressure release pipe, thereby realizes the purpose of electric water heater convenient to detach pipeline through pressure release port 181.

Specifically, as shown in fig. 1 and fig. 2, the reinforcement member is provided with a water filling port 182, and a water filling end 111 of the inner container 11 is located inside the water filling port 182, wherein the water filling end 111 of the inner container 11 is used for supplying a liquid medium into the inner container 11, specifically, a water pipe penetrates through the water filling port 182 and is connected to the water filling end 111 of the inner container 11, and the inside of the inner container 11 is communicated with the water pipe through the water filling end 111, so that when the liquid medium in the inner container 11 is insufficient, the liquid medium flows into the inner container 11 from the water pipe and the water filling end 111 in sequence, thereby achieving the purpose of supplying the liquid medium into the inner container 11, preferably, the water filling end 111 is located at the top of the inner container 11, and the non-pressure-bearing electric water heater uses a pressure difference between the pressure in the inner container 11 and the pressure of the water outlet pipe to fill the liquid medium into the inner container 11.

Furthermore, as shown in fig. 1 and fig. 2, the reinforcing body is further provided with a water outlet port 183, and the water outlet end 112 of the inner container 11 is located inside the water outlet port 183, wherein the water outlet end 112 of the inner container 11 is used for discharging the liquid medium from the inner container 11, specifically, the water outlet pipe penetrates through the water outlet port 183 and is connected to the water outlet end 112, and the inside of the inner container 11 is communicated with the water outlet pipe through the water outlet end 112, so that the liquid medium in the inner container 11 is discharged from the water outlet end 112 in a non-pressure state, that is, the liquid medium in the inner container 11 is discharged by using the pressure difference between the pressure in the inner container 11 and the pressure of the water outlet pipe, and the water outlet end 112 is preferably located at the bottom of the inner container 11.

As shown in fig. 1 and 3, the reinforcement member is further provided with a water return port 184, and the water return end 113 of the inner container 11 is located inside the water return port 184. Preferably, the water return end 113 is arranged at the bottom of the inner container 11, when the electric water heater outputs warm water or hot water by using the principle of a heat exchanger, the liquid medium in the inner container 11 is heated, the heated liquid medium is discharged from the water outlet end 112, heat of the liquid medium is transferred to bath water by the heat exchanger and then flows back to the water return end 113 to enter the inner container 11, so as to achieve the purpose of circulating and returning the liquid medium, specifically, the return pipe penetrates through the water return port 184 and is connected with the water return end 113, and the inner container 11 is communicated with the return pipe through the water return end 113.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that modifications and embellishments may be made by those skilled in the art without departing from the principles of the present invention and are considered within the scope of the invention.

Claims (10)

1. An unpressurized electric water heater, comprising:

an inner container;

the reinforcing ring is assembled on the outer side wall of the inner container;

the foaming piece can be bonded with the reinforcing ring into a whole through foaming molding, and forms a reinforcing body arranged around the outer side of the inner container to increase the weighing strength of the inner container.

2. The unpressurized electric water heater as recited in claim 1, further comprising: the opposite two ends of the inner container are provided with the reinforcing rings, so that the inner container is stressed in a balanced manner.

3. The unpressurized electric water heater according to claim 1 or 2, characterized in that: and a reinforcing groove is formed in the reinforcing ring along the circumferential direction.

4. The unpressurized electric water heater as recited in claim 3, further comprising: the heat insulation clamping piece is characterized in that an arched inner buckling part is arranged inside the reinforcing groove, the top of the inner buckling part extends out of the reinforcing groove, and the top of the inner buckling part and the reinforcing ring form a bayonet for being matched with a heat insulation clamping piece in an inserting mode.

5. The unpressurized electric water heater as set forth in claim 4, wherein: the inner container and the reinforcement body are assembled and fixed inside the outer shell.

6. The unpressurized electric water heater as recited in claim 5, further comprising: the hanging rack further comprises a hanging rack, wherein a mounting hole in threaded connection with a bolt is formed in the inner buckling part, and the hanging rack penetrates through the outer shell through the bolt and is connected with the inner buckling part.

7. The unpressurized electric water heater as recited in claim 1, further comprising: the inner container is provided with a pressure release valve for releasing the pressure in the inner container;

the reinforcing body is provided with a pressure relief opening, and the pressure relief valve is located inside the pressure relief opening.

8. The unpressurized electric water heater as recited in claim 1, further comprising: the water-injection port and the water outlet port are formed in the reinforcement body, the water injection end of the inner container is located inside the water injection port, and the water outlet end of the inner container is located inside the water outlet port.

9. The unpressurized electric water heater as recited in claim 1, further comprising: the reinforcing body is further provided with a water return port, and the water return end of the inner container is located inside the water return port.

10. The unpressurized electric water heater as recited in claim 1, further comprising: the inner container is a high polymer inner container, and the foaming piece is a polyurethane foaming piece or/and a heat-insulating cotton foaming piece.

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