CN218993697U - Cover plate assembly, combustion chamber box and gas equipment - Google Patents
Cover plate assembly, combustion chamber box and gas equipment Download PDFInfo
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- CN218993697U CN218993697U CN202223597786.9U CN202223597786U CN218993697U CN 218993697 U CN218993697 U CN 218993697U CN 202223597786 U CN202223597786 U CN 202223597786U CN 218993697 U CN218993697 U CN 218993697U
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- outer cover
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Abstract
The utility model discloses a cover plate assembly, a combustion chamber box body and gas equipment, wherein the cover plate assembly comprises an inner cover plate and an outer cover plate, wherein the inner cover plate is used for covering an opening of a frame body so as to construct a combustion chamber with the frame body; the outer cover plate is arranged on one side of the inner cover plate, which is away from the combustion chamber; at least one side edge of the outer cover plate is provided with a first flanging which is turned towards one side of the inner cover plate, and a second flanging is arranged at the position of the inner cover plate corresponding to the first flanging; the first flanging is provided with a clamping part which is clamped on the second flanging, so that the outer cover plate and the inner cover plate are preassembled into a whole. According to the technical scheme, the outer cover plate and the inner cover plate are preassembled into a stable integrated structure through the clamping part of the first flanging and the second flanging, and then assembled into the frame body of the gas equipment, so that the whole assembly process is simplified, and the assembly efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of gas equipment, in particular to a cover plate assembly, a combustion chamber box body and gas equipment.
Background
The gas equipment is a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water.
In the related art, a combustion chamber is formed by matching a frame body and an inner cover plate of the gas equipment, and an outer cover plate is usually arranged on the outer side of the inner cover plate. In assembling a gas appliance, it is generally necessary to first assemble the inner cover plate to the frame, then assemble the burner of the gas appliance to the bottom side of the frame, and finally assemble the outer cover plate. If the cover plate and the inner cover plate are respectively and independently installed in sequence, the whole assembly process is complicated, and the assembly efficiency is low.
Disclosure of Invention
The utility model mainly aims to provide a cover plate assembly, a combustion chamber box body and gas equipment, and aims to realize the preassembly of an inner cover plate and an outer cover plate into a whole and improve the assembly efficiency.
In order to achieve the above object, the present utility model provides a cover plate assembly for a gas appliance including a frame, the cover plate assembly including:
an inner cover plate for covering the opening of the frame body to construct a combustion chamber with the frame body; and
the outer cover plate is arranged on one side of the inner cover plate, which is away from the combustion chamber;
at least one side edge of the outer cover plate is provided with a first flanging which is turned towards one side of the inner cover plate, and a second flanging is arranged at the position of the inner cover plate corresponding to the first flanging;
the first flanging is provided with a clamping part which is clamped on the second flanging, so that the outer cover plate and the inner cover plate are preassembled into a whole.
In an embodiment, the outer cover plate has two opposite first sides, at least two first flanges are provided, at least two first flanges are oppositely provided on the two first sides, and two second flanges are correspondingly provided on the inner cover plate.
In an embodiment, at least two clamping portions are disposed on each first flange, and at least two clamping portions are disposed at intervals on the corresponding first flange.
In an embodiment, the clamping portion includes a hook section and a connecting section for connecting the hook section and the first flange, and the hook section and the second flange are hooked on a side edge of the inner cover plate far away from the second flange.
In an embodiment, the outer cover plate is provided with a plurality of first connecting holes, the inner cover plate is provided with a second connecting hole corresponding to each first connecting hole, and the first connecting holes and the corresponding second connecting holes are used for allowing connecting pieces to pass through so as to connect and fix the outer cover plate and the inner cover plate.
In an embodiment, the plurality of first connection holes are disposed near a side edge of the outer cover plate and are disposed at intervals along an extending direction of the side edge.
In an embodiment, the gas apparatus further comprises a heat exchanger provided at the top of the frame, and the inner cover plate has a convex plate portion protruding from one side surface thereof for covering the heat exchanger.
In an embodiment, an air cooling channel is formed between the outer cover plate and the inner cover plate, and an air inlet of the air cooling channel is formed on the outer cover plate.
The utility model also provides a combustion chamber box body, which comprises a frame body and a cover plate assembly, wherein the cover plate assembly is covered on the open side of the frame body, and the cover plate assembly comprises:
an inner cover plate for covering the opening of the frame body to construct a combustion chamber with the frame body; and
the outer cover plate is arranged on one side of the inner cover plate, which is away from the combustion chamber;
at least one side edge of the outer cover plate is provided with a first flanging which is turned towards one side of the inner cover plate, and a second flanging is arranged at the position of the inner cover plate corresponding to the first flanging;
the first flanging is provided with a clamping part which is clamped on the second flanging, so that the outer cover plate and the inner cover plate are preassembled into a whole.
The utility model also proposes a gas plant comprising:
a housing;
a burner; and
the combustion chamber box, the combustion chamber box install in the casing, the combustor is installed in the casing, and is located the below of combustion chamber box, the apron subassembly includes:
an inner cover plate for covering the opening of the frame body to construct a combustion chamber with the frame body; and
the outer cover plate is arranged on one side of the inner cover plate, which is away from the combustion chamber;
at least one side edge of the outer cover plate is provided with a first flanging which is turned towards one side of the inner cover plate, and a second flanging is arranged at the position of the inner cover plate corresponding to the first flanging;
the first flanging is provided with a clamping part which is clamped on the second flanging, so that the outer cover plate and the inner cover plate are preassembled into a whole.
In one embodiment, the housing has opposed top and bottom plates, and a mounting space for mounting the burner is formed between the lower end of the combustion chamber housing and the bottom plate of the housing.
In one embodiment, the outer cover plate has a top side and a bottom side opposite to each other in a vertical direction, and a mounting opening communicating with the mounting space is formed between the bottom side and the bottom plate of the housing, and the mounting opening is capable of allowing the burner to be mounted in the mounting space.
The technical scheme of the utility model is that the cover plate assembly comprises an inner cover plate and an outer cover plate, wherein the inner cover plate is used for covering an opening of the frame body so as to construct a combustion chamber with the frame body; the outer cover plate is arranged on one side of the inner cover plate, which is away from the combustion chamber; at least one side edge of the outer cover plate is provided with a first flanging which is turned towards one side of the inner cover plate, and a second flanging is arranged at the position of the inner cover plate corresponding to the first flanging; the first flanging is provided with a clamping part which is clamped on the second flanging, so that the outer cover plate and the inner cover plate are preassembled into a whole. The cover plate assembly is clamped with the second flanging through the clamping part of the first flanging, the outer cover plate and the inner cover plate are preassembled into a stable integrated structure, and then the outer cover plate and the inner cover plate are assembled into the frame of the gas equipment, so that the whole assembly process is simplified, and the assembly efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of one embodiment of a combustion chamber housing of the present utility model;
FIG. 2 is an assembled schematic view of an embodiment of a cover plate assembly according to the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic view of an outer cover plate of an embodiment of the cover plate assembly of the present utility model;
FIG. 5 is a schematic view of an outer cover plate of an embodiment of the cover plate assembly according to the present utility model;
FIG. 6 is a schematic view of an inner cover plate of an embodiment of a cover plate assembly according to the present utility model;
FIG. 7 is a schematic view of a gas device according to an embodiment of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 10 | |
111 | |
| 20 | |
112 | Clamping |
| 100 | |
113 | First connecting |
| 200 | |
121 | Convex |
| 300 | Burner with a |
122 | |
| 101 | |
123 | |
| 102 | |
124 | Second connecting |
| 103 | Mounting opening | 1121 | |
| 110 | |
1122 | Connecting |
| 120 | Inner cover plate |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The gas equipment is a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water.
In the related art, a combustion chamber is formed by matching a frame body and an inner cover plate of the gas equipment, and an outer cover plate is usually arranged on the outer side of the inner cover plate. In assembling a gas appliance, it is generally necessary to first assemble the inner cover plate to the frame, then assemble the burner of the gas appliance to the bottom side of the frame, and finally assemble the outer cover plate. If the cover plate and the inner cover plate are respectively and independently installed in sequence, the whole assembly process is complicated, and the assembly efficiency is low.
The utility model provides a cover plate assembly, which is used for a gas device. Specifically, the gas appliance includes, but is not limited to, a gas water heater, a gas hot water heating stove, and the like. The gas equipment comprises a shell, a fan, a heat exchanger, a combustion chamber box body and a combustor. Wherein, fan, heat exchanger, combustion chamber box and combustor top-down are installed in proper order in the casing. The combustion chamber box is internally provided with a combustion chamber which is penetrated up and down, the heat exchanger and the burner are respectively arranged on the upper side and the lower side of the combustion chamber box, and the fan is arranged on one side of the heat exchanger, which is away from the combustion chamber box. When the gas equipment works, the fan works to enable negative pressure to be generated in the combustion chamber box body, combustion flame of the combustor is enclosed in the combustion chamber of the combustion chamber box body, high-temperature flue gas is formed, and the high-temperature flue gas is continuously conveyed upwards under the action of the fan and exchanges heat with the heat exchanger so as to heat a cold water flow path of the heat exchanger. The following is a detailed description of specific embodiments of the cover plate assembly of the present utility model.
Referring to fig. 1 to 7, the cover assembly 100 includes an inner cover 120 and an outer cover 110, the inner cover 120 being for covering an opening of the frame 200 to construct a combustion chamber with the frame 200; the outer cover plate 110 is arranged at one side of the inner cover plate 120, which is away from the combustion chamber; at least one side edge of the outer cover plate 110 is provided with a first flanging 111 turned towards one side of the inner cover plate 120, and a second flanging 123 is arranged at a position of the inner cover plate 120 corresponding to the first flanging 111; the first flange 111 is provided with a clamping portion 112, and the clamping portion 112 is clamped on the second flange 123, so that the outer cover plate 110 and the inner cover plate 120 are preassembled into a whole.
Specifically, the outer cover plate 110 and the inner cover plate 120 may be made of sheet metal plates or steel plates to ensure sufficient structural strength and high temperature resistance. The outer cover plate 110 and the inner cover plate 120 of the cover plate assembly 100 may have a square shape, a rectangular shape, and a rounded rectangular shape may be all that is required. In order to facilitate the production and manufacture of the outer cover plate 110, optionally, the outer cover plate 110, the first flange 111 and the clamping portion 112 are integrally formed; and/or the inner deck 120 and the second flange 123 are integrally formed. For example: when the outer cover plate 110 is produced, the first flange 111 and the clamping portion 112 can be directly formed by integrally bending a sheet metal plate, so that the manufacturing process can be simplified, and the production efficiency can be improved. The edges on two sides of the outer cover plate 110 are provided with first flanges 111, and in other embodiments, the edges on one side or two opposite sides of the outer cover plate 110 may be provided with first flanges 111, or each side edge may be provided with a first flange 111, and the edges of the corresponding inner cover plate 120 may be clamped by the flanges of the outer cover plate 110. The first flange 111 of the outer cover plate 110 is provided with a clamping portion 112, when the outer cover plate 110 and the inner cover plate 120 are assembled, the clamping portion 112 is bent to be in limit fit with one side of the first flange 111 of the outer cover plate 110, which is away from the second flange 123 of the inner cover plate 120, so that the assembly reliability between the outer cover plate 110 and the inner cover plate 120 can be ensured. The number of the clamping portions 112 can be set according to actual needs.
When the cover plate assembly 100 of the present utility model is assembled to the assembled gas device, the fan, the heat exchanger, the box body and the burner 300 can be assembled to the frame 200, then the edge of the second flange 123 corresponding to the inner cover plate 120 can be covered by the first flange 111 of the outer cover plate 110, then the clamping part 112 on the first flange 111 can be limited and abutted against one side of the inner cover plate 120, which is away from the outer cover plate 110, so that the outer cover plate 110 and the inner cover plate 120 are assembled into a stable integrated structure in advance, and finally the cover plate assembly 100 is covered on the open side of the frame 200, so that the cover plate assembly 100 can cover the fan, the heat exchanger, the box body, the burner 300 and other components from top to bottom, and enclose the frame 200 to form the combustion chamber. Compared with the prior art that the inner cover plate 120 is assembled on the frame body 200, the burner 300 of the gas equipment is assembled on the bottom side of the frame body 200, and the outer cover plate 110 is assembled finally, the cover plate assembly 100 of the utility model clamps the second flange 123 through the clamping part 112 of the first flange 111, the outer cover plate 110 and the inner cover plate 120 are preassembled into a stable integral structure, and then the inner cover plate 120 is assembled on the frame body 200 of the gas equipment, so that the whole assembly process is simplified, and the assembly efficiency is improved.
Referring to fig. 2 to 6, in an embodiment, the outer cover 110 has two opposite first sides, at least two first flanges 111 are provided on the two opposite first sides, and two second flanges 123 are provided on the inner cover 120 correspondingly. Of course, in other embodiments, the first flange 111 may be disposed on the left, right, and lower sides of the outer cover 110. The edge of the corresponding inner cover plate 120 can be clamped by the flanging of the outer cover plate 110.
Referring to fig. 2 to 6, in order to enhance the limiting effect of the clamping portion 112 on the outer cover plate 110 on the inner cover plate 120, the assembly stability between the outer cover plate 110 and the inner cover plate 120 is improved. In an embodiment, at least two clamping portions 112 are disposed on each first flange 111, and at least two clamping portions 112 are disposed at intervals on the corresponding first flange 111. Thus, the clamping portions 112 are uniformly arranged on the first flanges 111 at intervals, and each clamping portion 112 covers the back surface of the second flange 123 on the inner cover 120 to limit the inner cover 120, so that the overall structure is more stable.
Referring to fig. 3, in an embodiment, the clamping portion 112 includes a hook portion 1121 and a connecting portion 1122 connecting the hook portion 1121 and the first flange 111, and the hook portion 1121 and the second flange 123 are hooked on a side edge of the inner cover 120 away from each other. The bent hook section 1121 is used for bending and crossing the second flange 123 and is attached to and covered with the second flange 123 through the connecting section 1122 connected with the bent hook section 1121, so that the first flange 111 can limit the second flange 123, and the assembly stability between the outer cover plate 110 and the inner cover plate 120 is improved. In this embodiment, the connection section 1122 may be provided in a square sheet shape. Of course, in other embodiments, the connection segments 1122 may be provided with oval shapes and rounded rectangular shapes.
Referring to fig. 2 to 6, in order to further improve the pre-assembling stability of the outer cover plate 110 and the inner cover plate 120, in an embodiment, the outer cover plate 110 is provided with a plurality of first connecting holes 113, the inner cover plate 120 is provided with a second connecting hole 124 corresponding to each first connecting hole 113, and the first connecting holes 113 and the corresponding second connecting holes 124 are used for passing through connecting pieces to connect and fix the outer cover plate 110 and the inner cover plate 120. The first and second connection holes 113 and 124 may be in the form of rivet holes or screw-coupling, etc. For example: the first connecting hole 113 and the second connecting hole 124 are all riveting holes, and the first connecting hole 113 and the second connecting hole 124 are used for further limiting the outer cover plate 110 and the inner cover plate 120 by rivets, i.e. connecting pieces.
With continued reference to fig. 2 to 6, in an embodiment, the plurality of first connection holes 113 are disposed near a side edge of the outer cover 110 and are spaced apart along an extending direction of the side edge. So set up, the junction between outer apron 110 and the interior cover 120 evenly arranges all around for the effort evenly distributed of junction improves the connection stability between outer apron 110 and the interior cover 120. Of course, in other embodiments, a connecting hole may be added at the center of the outer cover plate 110 and the inner cover plate 120, so as to enhance the connection stability between the two.
Referring to fig. 6, in an embodiment, the gas apparatus further includes a heat exchanger provided at the top of the frame 200, and the inner cover plate 120 has a convex plate portion 121 protruding from one side surface thereof, and the convex plate portion 121 is used to cover the heat exchanger. It will be appreciated that conventional heat exchangers generally include a plurality of stacked fins, and heat exchange tubes extending through the fins, which are coated with copper sheets, which are relatively costly. When the preassembled cover plate assembly 100 is assembled to the frame body 200, the upper plate in the cover plate assembly 100, which is arranged in the inner cover plate 120, can press the fins of the heat exchanger in an abutting mode towards the heat exchanger in a protruding mode, and therefore copper sheets can be omitted from being covered outside the fins, and cost can be effectively reduced.
Referring to fig. 4, in an embodiment, an air cooling channel is formed between the outer cover plate 110 and the inner cover plate 120, and an air inlet 122 of the air cooling channel is formed on the outer cover plate 110. Specifically, after the outer cover plate 110 and the inner cover plate 120 are assembled in place, a gap is formed between the outer cover plate 110 and the inner cover plate 120, and the gap forms an air cooling channel through which air flows, and the air cooling channel may be in a straight cylinder shape or a bent cylinder shape, and the cross section of the air cooling channel may be in a rectangular shape, a square shape, a rounded square shape, a polygonal shape, a special shape, or the like, which is not particularly limited herein. The outer cover plate 110 is provided with the air inlet 122, when the fan works, the combustion chamber in the combustion chamber box 20 forms negative pressure, so that outside air can be sucked into the air cooling channel through the air inlet 122 of the outer cover plate 110, the wall surface of the inner cover plate 120 is cooled by air, external radiation of heat in the combustion chamber box 20 can be avoided, and further, the parts of the gas equipment are prevented from being damaged by high temperature. And, adopt the air cooling form to cool down to the inner cover 120 of combustion chamber box 20, need not to twine cooling coil in the box outside again, can simplify the manufacturing process of gas equipment, reduce cost. In addition, an air outlet may be provided in the inner cover 120, so that external air can enter the combustion chamber after passing through the air cooling channel, so as to provide secondary air supply for the combustion chamber, which is beneficial to improving combustion efficiency. The shape of the air inlet 122 on the outer cover plate 110 may be designed into a circular hole, a square hole, or an elongated hole according to practical needs. Optionally, the air inlet 122 is provided with a strip-shaped hole, which is beneficial to improving the air inlet quantity and the cooling efficiency. The number of the air inlets 122 on the outer cover 110 may be set according to actual needs, and optionally, a plurality of air inlets 122 are provided to increase the air intake. To ensure more uniform air intake, optionally, a plurality of air inlets 122 are spaced apart along the width direction of the outer cover 110; and/or the plurality of air inlets 122 are spaced apart along the length of the outer cover plate 110.
Referring to fig. 1 to 7, the present utility model further provides a combustion chamber housing 20, the combustion chamber housing 20 includes a frame 200 and a cover assembly 100, the cover assembly 100 includes an inner cover 120 and an outer cover 110, the inner cover 120 is used for covering an opening of the frame 200 to construct a combustion chamber with the frame 200; the outer cover plate 110 is arranged at one side of the inner cover plate 120, which is away from the combustion chamber; at least one side edge of the outer cover plate 110 is provided with a first flanging 111 turned towards one side of the inner cover plate 120, and a second flanging 123 is arranged at a position of the inner cover plate 120 corresponding to the first flanging 111; the first flange 111 is provided with a clamping portion 112, and the clamping portion 112 is clamped on the second flange 123, so that the outer cover plate 110 and the inner cover plate 120 are preassembled into a whole. Because the cover plate assembly 100 adopts all the technical solutions of all the embodiments, at least the technical solutions of the embodiments have all the beneficial effects brought by the technical solutions of the embodiments, and are not described in detail herein.
Referring to fig. 1 to 7, the present utility model further provides a gas apparatus, which includes a housing 10, a burner 300, and a combustion chamber housing 20, wherein the combustion chamber housing 20 is mounted in the housing 10, the burner 300 is mounted in the housing 10 and is located below the combustion chamber housing 20, the cover assembly 100 includes an inner cover 120 and an outer cover 110, and the inner cover 120 is used for covering an opening of the frame 200 to construct a combustion chamber with the frame 200; the outer cover plate 110 is arranged at one side of the inner cover plate 120, which is away from the combustion chamber; at least one side edge of the outer cover plate 110 is provided with a first flanging 111 turned towards one side of the inner cover plate 120, and a second flanging 123 is arranged at a position of the inner cover plate 120 corresponding to the first flanging 111; the first flange 111 is provided with a clamping portion 112, and the clamping portion 112 is clamped on the second flange 123, so that the outer cover plate 110 and the inner cover plate 120 are preassembled into a whole. Because the cover plate assembly 100 adopts all the technical solutions of all the embodiments, at least the technical solutions of the embodiments have all the beneficial effects brought by the technical solutions of the embodiments, and are not described in detail herein. Wherein the gas equipment includes, but is not limited to, gas water heater, gas hot water heating stove, etc.
Referring to fig. 7, in an embodiment, the housing 10 has a top plate 102 and a bottom plate 101 opposite to each other, and an installation space for installing the burner 300 is formed between the lower end of the combustion chamber housing 20 and the bottom plate 101 of the housing 10. The installation space is used for accommodating the burner 300, and is positioned at the lower opening of the combustion chamber box 20.
It should be noted that, in order to prevent the outer cover plate 110 from being assembled to the frame 200 and the outer cover plate 110 from blocking the assembly of the burner 300, it is common to assemble the inner cover plate 120 to the frame 200, assemble the burner 300 and finally assemble the outer cover plate 110, further referring to fig. 7, in one embodiment, the outer cover plate 110 has a top side and a bottom side opposite to each other in a vertical direction, and a mounting opening 103 communicating with the mounting space is formed between the bottom side and the bottom plate 101 of the housing 10, and the mounting opening 103 is capable of allowing the burner 300 to be mounted in the mounting space. By such arrangement, when the cover plate assembly 100 is assembled to the frame 200 by pre-assembling the outer cover plate 110 and the inner cover plate 120 into a whole, the outer cover plate 110 of the cover plate assembly 100 can not block the assembly of the burner 300, and the assembly efficiency is improved.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (12)
1. A cover plate assembly for a gas appliance, the gas appliance comprising a frame, the cover plate assembly comprising:
an inner cover plate for covering the opening of the frame body to construct a combustion chamber with the frame body; and
the outer cover plate is arranged on one side of the inner cover plate, which is away from the combustion chamber;
at least one side edge of the outer cover plate is provided with a first flanging which is turned towards one side of the inner cover plate, and a second flanging is arranged at the position of the inner cover plate corresponding to the first flanging;
the first flanging is provided with a clamping part which is clamped on the second flanging, so that the outer cover plate and the inner cover plate are preassembled into a whole.
2. The cover assembly of claim 1, wherein the outer cover has two opposite first sides, the first flanges are at least two, the at least two first flanges are disposed opposite the two first sides, and the second flanges are correspondingly disposed on the inner cover.
3. The cover assembly of claim 1, wherein each of the first flanges is provided with at least two of the snap-fit portions, the at least two of the snap-fit portions being spaced apart on the corresponding first flange.
4. The cover assembly of claim 1, wherein the clip portion includes a hook section and a connecting section connecting the hook section and the first flange, the hook section and the second flange being hooked away from a side of the inner cover.
5. The cover plate assembly of claim 1, wherein the outer cover plate is provided with a plurality of first connection holes, and the inner cover plate is provided with a second connection hole corresponding to each first connection hole, and the first connection holes and the corresponding second connection holes are used for allowing connection pieces to pass through so as to connect and fix the outer cover plate and the inner cover plate.
6. The cover assembly of claim 5, wherein a plurality of the first connection holes are disposed adjacent to a side edge of the outer cover and spaced apart along an extension direction of the side edge.
7. The cover plate assembly of claim 1, wherein the gas appliance further comprises a heat exchanger provided at a top of the frame, and wherein the inner cover plate has a convex plate portion protruding from a side surface thereof, the convex plate portion for covering the heat exchanger.
8. The cover assembly of claim 1, wherein an air cooling channel is formed between the outer cover plate and the inner cover plate, and an air inlet of the air cooling channel is formed on the outer cover plate.
9. A combustion chamber housing comprising a frame and a cover assembly as claimed in any one of claims 1 to 8, said cover assembly being disposed over an open side of said frame.
10. A gas plant, characterized by comprising:
shell body
A burner; and
the combustion chamber housing of claim 9, the combustion chamber housing being mounted to the housing, the burner being mounted within the housing and below the combustion chamber housing.
11. The gas-fired apparatus of claim 10 wherein said housing has opposed top and bottom plates, and wherein a mounting space for said burner is formed between a lower end of said combustion chamber housing and said bottom plate of said housing.
12. The gas appliance of claim 11, wherein the outer cover has vertically opposed top and bottom sides, the bottom side and the floor of the housing defining therebetween a mounting opening in communication with the mounting space, the mounting opening being capable of receiving the burner therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223597786.9U CN218993697U (en) | 2022-12-30 | 2022-12-30 | Cover plate assembly, combustion chamber box and gas equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223597786.9U CN218993697U (en) | 2022-12-30 | 2022-12-30 | Cover plate assembly, combustion chamber box and gas equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218993697U true CN218993697U (en) | 2023-05-09 |
Family
ID=86193569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223597786.9U Active CN218993697U (en) | 2022-12-30 | 2022-12-30 | Cover plate assembly, combustion chamber box and gas equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218993697U (en) |
-
2022
- 2022-12-30 CN CN202223597786.9U patent/CN218993697U/en active Active
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