CN210179913U

CN210179913U - Shell of gas water heating equipment and gas water heating equipment with shell

Info

Publication number: CN210179913U
Application number: CN201920532605.3U
Authority: CN
Inventors: 苏永帅; 韩先山
Original assignee: Weineng (wuxi) Heating Equipment Co Ltd
Current assignee: Weineng (wuxi) Heating Equipment Co Ltd; Vaillant Wuxi Heating Equipment Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-03-24
Anticipated expiration: 2029-04-12

Abstract

The utility model provides a gas hot water system and shell thereof, it includes frame and panel. Wherein, the frame comprises a top plate, a bottom plate, a pair of side plates and a back plate; the top plate, the bottom plate, the side plates and the back plate define accommodating spaces for accommodating parts of gas water heating equipment; the opposite sides of the joint side of the top plate, the bottom plate and the side plate with the back plate are respectively provided with convex ribs which are mutually connected in a protruding way. The panel is arranged on the frame and is opposite to the back plate. A plurality of seals are disposed between the panel and the frame and interfere with the ribs to form a seal between the frame and the panel. By providing the ribs on the frame of the enclosure and providing a sealing member in interference fit with the ribs between the panel and the frame, reliable sealing is achieved between the panel and the frame member, thereby enabling the apparatus to achieve a high waterproof sealing rating.

Description

Shell of gas water heating equipment and gas water heating equipment with shell

Technical Field

The utility model belongs to domestic gas equipment field, concretely relates to gas hot water equipment's shell sealing mechanism.

Background

Gas-fired water heating apparatuses generally include a gas water heater and a gas boiler. Taking a gas water heater as an example, a burner, a heat exchanger, and a piping system are generally disposed therein. The burner often includes a plurality of fire row sheets arranged side by side, each fire row sheet has a gas-air mixing channel, gas and air can be mixed in the fire row sheet and transferred to fire holes at the top of the fire row sheet to be combusted in the combustion chamber and generate heat, the generated heat can heat water in the heat exchanger, and then the heated water can be output through a pipeline system to meet the supply requirement of domestic hot water for drinking, bathing and the like. The gas boiler can be used for providing domestic hot water and can also be communicated with a radiator arranged indoors to provide a central heating function.

At present, gas water heating equipment can be generally divided into three types, namely, a Flue type (openflow), a forced air type (Fan Assisted) and a Balanced type (Balanced flow), according to different air intake and exhaust modes. Wherein, the oxygen that required when flue formula gas hot water equipment burns is got from indoor, and the produced flue gas of burning passes through the flue and discharges to outdoor. When the device is used, attention needs to be paid to smooth exhaust of the flue, otherwise, the potential safety hazard of backward flow of smoke is caused. The forced-ventilated type gas water heating equipment is additionally provided with a smoke exhaust motor on the basis of a flue type, when in operation, smoke is forcibly exhausted to the outdoor through the flue, but oxygen required during combustion is still taken from the indoor. The balance gas water heater features that its air supply and exhaust system and combustion system are directly connected to outdoor and completely separated from indoor. When the device is used, all air required by combustion is taken from the outdoor and is discharged to the outdoor through the pipeline, so that the whole process does not consume indoor air at all, and smoke gas cannot pollute the indoor environment. Therefore, the balanced gas water heater can be installed in a bathroom or a bathroom.

In order to ensure reliable isolation of the balanced gas-fired water heating equipment from indoor air, it is necessary that the housing of the equipment has good sealing performance to prevent gas in the equipment from leaking out or external air from entering the equipment. Furthermore, since gas-fired water heating apparatuses may be installed in bathrooms, it is required that the apparatuses have a high waterproof rating, otherwise the water once invaded inside the case may cause short-circuiting or damage of electric parts inside the apparatuses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell of gas hot water equipment, it has waterproof sealing mechanism in order to realize higher waterproof sealing grade.

An object of the utility model is also to provide a gas hot water system that includes above-mentioned shell.

In order to achieve one of the above objects, the present invention provides a housing of a gas water heater, which includes a frame and a panel. Wherein, the frame comprises a top plate, a bottom plate, a pair of side plates and a back plate; the top plate, the bottom plate, the side plates and the back plate define accommodating spaces for accommodating parts of gas water heating equipment; the opposite sides of the joint side of the top plate, the bottom plate and the side plate with the back plate are respectively provided with convex ribs which are mutually connected in a protruding way. The panel is arranged on the frame and is opposite to the back plate. A plurality of seals are disposed between the panel and the frame and interfere with the ribs to form a seal between the frame and the panel.

As a further improvement of the present invention, a flange opposite to the rib is formed at one side edge of the panel facing the frame, and at least part of the plurality of sealing members is fixedly arranged on the flange.

As a further improvement of the utility model, the panel is provided with a special-shaped surface; the housing further includes an adapter member disposed between the panel and the frame, a surface of a side of the adapter member facing the panel being in conformity with the contoured surface of the panel, and a side thereof facing the frame being flat for the seal member to be fixed thereto.

As a further improvement of the utility model, the special-shaped surface of the panel is a regular curved surface.

As a further improvement of the present invention, the adapter has two parts, which are respectively disposed at the top and bottom positions of the panel facing one side of the frame.

To achieve the above-mentioned another object, the present invention further provides a gas water heater, which includes the above-mentioned housing, a burner for burning a mixture of gas and air accommodated in the accommodating space of the housing, and a heat exchanger for absorbing heat generated by the burner and transferring the heat to water flowing therethrough.

Compared with the prior art, the beneficial effects of the utility model are that: the frame of the shell is provided with the convex ribs, and the sealing element which is in interference fit with the convex ribs is arranged between the panel and the frame, so that reliable sealing is realized between the panel and the frame element, and the equipment can realize higher waterproof sealing grade; in addition, through increasing the adapter piece and/or set up the turn-ups in panel week side, can make the seal structure of above-mentioned sealing member and fin be applicable to the panel that has special-shaped surface equally, thereby increase the utility model discloses a shell seal mechanism's commonality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings related to the present invention in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a gas-fired water heating apparatus according to one embodiment of the present invention;

FIG. 2 is an exploded perspective view of the housing of the gas fired water heating apparatus shown in FIG. 1;

FIG. 3 is an exploded isometric view of the housing of the gas fired water heating apparatus of the present invention in another embodiment, with the side seals not shown;

fig. 4 is a schematic perspective view of another perspective of the faceplate of the enclosure shown in fig. 3, further showing the seal and the adapter.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

The gas water heater and the gas boiler both use combustible gas as fuel, such as natural gas, city gas, liquefied gas, methane and the like, and heat hot water by burning the combustible gas so as to meet the requirements of domestic water and/or central heating of users. The present invention will be described in the following embodiments by taking a gas water heater as an example, but the present invention is also applicable to a gas boiler.

Referring to fig. 1, a gas-fired water heating apparatus according to an embodiment of the present invention is shown. The gas water heating apparatus 100 includes a housing 10, and a burner, a heat exchanger, a smoke collecting hood, a fan, and a water inlet pipe, a water outlet pipe, a gas delivery pipe, etc. extended out of the housing, which are accommodated in the housing 10.

The burner may include a burner housing within which is typically disposed a burner unit, such as a plurality of fire rows of fins disposed side-by-side. Each fire row piece is provided with a gas-air mixing channel, and gas and primary air conveyed by a gas conveying pipeline are mixed in the mixing channel and are transferred to fire holes at the tops of the fire row pieces to be combusted and generate heat. The heat exchanger is usually installed above the burner, and it may be a finned tube heat exchanger, i.e. a plurality of fins are arranged in the heat exchanger shell, and a heat absorption water pipe passes through these fins in a circuitous way, and both ends of the heat absorption water pipe are respectively communicated with the water inlet pipe and the water outlet pipe. The gas-air mixture is combusted in a combustion chamber formed by splicing the combustor shell and the heat exchanger shell, the generated heat is absorbed by the fins and further transferred to water flowing through the heat absorption water pipe, and the heated water is transferred to the water pipe of domestic water through the water outlet pipe, so that domestic water for drinking, bathing and the like is provided for users. The fume collecting hood is fastened to the top of the heat exchanger for collecting the fume (exhaust gas containing carbon monoxide, nitrogen oxides, etc.) generated in the combustion chamber. The fan is used for promoting the convection of gas, so as to provide air required by combustion and promote the smoke to be discharged into the smoke collecting hood. Since the construction and arrangement of the above-described constituent elements are well known to those skilled in the art, the applicant will not be described herein in detail.

Referring collectively to fig. 2, the housing 10 may be formed from a plurality of metal sheets, such as a top sheet, a bottom sheet, a pair of side sheets, and opposing face sheets 12 and back sheets, joined together. The top plate, the bottom plate, the side plates, and the back plate may be assembled in advance to form a frame 11, in which a receiving space is defined to receive the above components of the gas water heating apparatus. The panel 12 is then reassembled to the frame 11 to form the housing 10.

Projecting from the end edges of the top plate, the bottom plate, and the pair of side plates facing the side of the panel 12 toward the panel are ribs 111 engaged with each other, respectively, and a plurality of sealing members are provided between the panel 12 and the frame 11 and interfere with the ribs 111 to form a seal between the frame and the panel. In this embodiment, the sealing member may be a strip-shaped flexible sealing pad including a top sealing member 21, a bottom sealing member 22, and a pair of

side sealing members

23 and 24. These seals may be pre-fixed, such as glued, to the peripheral edge of the side of the panel 12 facing the frame 11, so that when the panel 12 is mounted to the frame 11, the ribs 111 of the frame 11 engage the

respective seals

21, 22, 23, 24, thereby forming a reliable seal.

Reference is made to another embodiment of the housing shown in fig. 3 and 4. In the above embodiment, the surface of the panel 12 is a plane, while in the present embodiment, the surface of the panel 13 is a non-planar irregular surface, such as a regular curved surface, so that the sealing member is directly adhered to one side edge of the panel 13 facing the frame 11, and cannot interfere with the rib 111 of the frame 11 to achieve sealing. For this purpose, in the present embodiment, a flange 131 opposite to the rib 111 is formed at the side edge of the side of the panel 13 facing the frame, and the plurality of

side sealing members

23, 24 may be fixedly disposed, such as adhered, on the flange 131. Furthermore, between the panel 13 and the frame 11 there are also provided adapters, in this embodiment two 31, 32, respectively provided at the top and bottom positions of the side of the panel 13 facing the frame 11. The two adapter members are identical in construction, and in the case of the top adapter member 31, the side surface of the adapter member 31 facing the panel 13 is curved to match the panel surface, and the side thereof facing the frame 11 is flat for the top seal member 21 to be fixed thereto. During assembly, the curved sides of the

adapters

31, 32 can be adhered to the panel 13, and then the top and

bottom seals

21, 22 can be adhered to the flat sides of the

respective adapters

31, 32, while the

side seals

23, 24 can be adhered to the side flanges 131 of the panel. Thus, when the panel 13 is mounted to the frame 11, the plurality of sealing

members

21, 22, 23, 24 abut against the plurality of ribs 111 of the frame 11, respectively, thereby achieving a reliable seal between the panel 13 and the frame 11. In other embodiments, flanges for fixing the top seal 21 and the bottom seal 22 may be provided on the top and bottom of the panel 13, so that the provision of adapters may be omitted; alternatively, corresponding adapters are arranged on both sides of the panel, so that the arrangement of the flanging can be omitted.

By providing the ribs on the frame of the enclosure and providing a sealing member in interference fit with the ribs between the panel and the frame, reliable sealing is achieved between the panel and the frame member, thereby enabling the apparatus to achieve a high waterproof sealing rating. In addition, through increasing the adapter piece and/or set up the turn-ups in panel week side, can make the seal structure of above-mentioned sealing member and fin be applicable to the panel that has special-shaped surface equally, thereby increase the utility model discloses a shell seal mechanism's commonality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A shell of gas water heating equipment is characterized in that: the housing comprises

The frame comprises a top plate, a bottom plate, a pair of side plates and a back plate, wherein the top plate, the bottom plate, the side plates and the back plate define an accommodating space for accommodating parts of the gas water heating equipment, and convex ribs mutually connected are convexly arranged on the opposite sides of the joint side of the top plate, the bottom plate and the side plates and the back plate;

the panel is arranged on the frame and is opposite to the back plate;

and a plurality of sealing members disposed between the panel and the frame and interfering with the ribs to form a seal between the frame and the panel.

2. The gas-fired water heating apparatus enclosure according to claim 1, wherein: a flange opposite to the convex rib is formed on the edge of one side, facing the frame, of the panel, and at least part of the plurality of sealing elements is fixedly arranged on the flange.

3. The gas fired water heating apparatus housing according to claim 1 or 2, characterized in that: the panel has a contoured face; the housing further comprises an adapter member disposed between the panel and the frame, a surface of a side of the adapter member facing the panel being in conformity with the contoured surface of the panel, and a side thereof facing the frame being flat for the seal member to be fixed thereto.

4. The gas fired water heating apparatus housing according to claim 3, wherein: the special-shaped surface of the panel is a regular curved surface.

5. The gas fired water heating apparatus housing according to claim 3, wherein: the adapter members are provided in two numbers, respectively at the top and bottom positions of the side of the panel facing the frame.

6. A gas-fired water heating apparatus characterized by: the apparatus comprising a housing according to any one of the preceding claims, a burner for combusting a mixture of gas and air contained in the housing space of the housing, and a heat exchanger for absorbing heat generated by the burner and transferring the heat to a flow of water passing therethrough.