CN218645775U - Shell subassembly and gas heater - Google Patents

Abstract

The application belongs to the technical field of water heaters, and particularly relates to a shell assembly and a gas water heater. The application aims at solving the problem that the existing gas water heater is large in noise. The shell assembly of the gas water heater comprises a shell and a baffle, wherein the shell forms an installation cavity, and the back of the shell is provided with an air inlet grid; the baffle plate comprises a plate body, a connecting plate part and a mounting plate part, wherein a gap is formed between the plate body and the back surface of the shell, and the mounting plate part is attached to and fixedly connected with the back surface of the shell; the board body, the connecting plate part and the shell opposite to the board body jointly enclose an air inlet cavity with an opening at the top, so that outside air enters the installation cavity through the air inlet grille and the air inlet cavity. The baffle shields the air inlet grille, so that the internal noise can be prevented from being directly transmitted out through the air inlet grille, and the effect of blocking the noise transmission is achieved; the baffle can restrict the flow direction of air for air is got into by air inlet chamber upper portion opening, avoids air vortex in air-inlet grille department and produces the noise.

Description

Shell subassembly and gas heater

Technical Field

The application belongs to the technical field of water heaters, and particularly relates to a shell assembly and a gas water heater.

Background

The gas water heater is also called as a gas water heater, and refers to a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchange device in a combustion heating mode to achieve the purpose of preparing hot water.

The gas heater is provided with the shell body, and combustor, heat transfer device, fan etc. all install inside the shell body, and usually, the back of shell body is provided with the air intake, and under the effect of fan, outside air enters into the inside of shell body via the air intake, then enters into inside the combustor through the fan, provides the air for the gas burning. Noise inside the outer shell, such as fan noise, airflow noise, etc., can all spread out through the air inlet, resulting in the noise of gas heater being loud.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem in the prior art, be exactly solve current gas heater big problem of noise, this application provides a shell subassembly and gas heater.

The housing assembly includes: a housing and a baffle; the shell is provided with an installation cavity, and the back of the shell is provided with an air inlet grille; the baffle includes: the bottom edge of the plate body and the first side edge and the second side edge which are positioned on two sides of the bottom edge of the plate body are bent and extended towards the outer side of the installation cavity respectively to form the connecting plate portion, the end portion of the connecting plate portion deviates from the plate body and is bent and extended to form the installation plate portion, the installation plate portion is attached to the back surface of the shell, and the installation plate portion is fixedly connected with the shell; the plate body, the connecting plate part and the shell opposite to the plate body jointly form an air inlet cavity with an opening at the top.

In an optional technical solution of the above-mentioned housing assembly, a plurality of air inlets are provided at a back of the housing, the plurality of air inlets extend along a transverse direction of the housing, the plurality of air inlets are arranged at intervals along a vertical direction of the housing to form the air inlet grille, and the plurality of air inlet grills are arranged at intervals along the transverse direction of the housing; part the edition of books body orientation the outside of installation cavity is sunken to form fixed plate portion, fixed plate portion with the casing be located adjacent two laminating and fixed connection of part between the air-inlet grille.

In an optional technical scheme of the shell assembly, the fixing plate part is provided with at least one, the fixing plate part divides the air inlet cavity into at least two cavities, and the cavities and the air inlet grille are correspondingly arranged.

In an alternative aspect of the above housing assembly, the fixing plate portion is screwed with the housing; the mounting plate portion is in threaded connection with the housing.

In an optional technical scheme of the shell assembly, part of the plate body protrudes towards the air inlet cavity to form a reinforcing convex hull.

In an optional technical solution of the above housing assembly, the housing includes a back plate, a top plate, a bottom plate, and a U-shaped front cover, and two sides of the front cover are respectively connected to two sides of the back plate; the top end of the front cover shell and the top end of the back plate are fixedly connected with the top plate, and the bottom end of the front cover shell and the bottom end of the back plate are fixedly connected with the bottom plate; the back plate, the front cover shell, the top plate and the bottom plate enclose the mounting cavity; the air inlet grille is arranged on the back plate, the water pipe via hole and the gas via hole are formed in the bottom plate, and the smoke exhaust hole is formed in the top plate.

In the optional technical scheme of above-mentioned shell subassembly, the backplate includes body board and protruding board, protruding board is by the part the body board deviates from the installation cavity protrusion forms, the air-inlet grille sets up on the body board the upper and lower both sides of air-inlet grille are provided with respectively protruding board.

In an optional technical scheme of the housing assembly, a first fixed flanging is arranged at the top end of the back plate, and a second fixed flanging is arranged at the top end of the front housing shell; the roof includes top plate body and first installation limit, the top plate body is provided with the smoke vent, the marginal undercut of top plate body forms first installation limit, first installation limit respectively with the fixed turn-ups of second with first fixed turn-ups fixed connection, the fixed turn-ups of second with first fixed turn-ups all with top plate body parallel and level.

In an optional technical scheme of the housing assembly, a third fixed flanging is arranged at the bottom end of the back plate, and a fourth fixed flanging is arranged at the bottom end of the front housing shell; the bottom plate includes bottom plate body and second installation limit, the bottom plate body is provided with the water pipe via hole with the gas via hole, the edge of bottom plate body is sunken formation upwards the second installation limit, the second installation limit respectively with the fixed turn-ups of third with the fixed turn-ups fixed connection of fourth, the fixed turn-ups of third with the fixed turn-ups of fourth all with bottom plate body parallel and level.

The gas water heater includes: fan, combustor, heat transfer device and foretell shell subassembly, the fan, the combustor and heat transfer device all installs the installation intracavity of shell subassembly, the fan is installed the bottom of combustor, heat transfer device installs the top of combustor is installed

As can be understood by those skilled in the art, the gas water heater of the present application comprises a housing and a baffle plate, wherein the housing is formed with a mounting cavity, and the back of the housing is provided with an air inlet grille; the baffle comprises a plate body, a connecting plate part and a mounting plate part, wherein the plate body is spaced from the back of the shell, the bottom edge of the plate body and a first side edge and a second side edge which are positioned at two sides of the bottom edge of the plate body are respectively bent and extended towards the outer side of the mounting cavity to form the connecting plate part, the end part of the connecting plate part deviates from the plate body and is bent and extended to form the mounting plate part, the mounting plate part is attached to the back of the shell, and the mounting plate part is fixedly connected with the shell; the board body, the connecting plate portion and the casing of the part relative to the board body enclose into an air inlet cavity with an open top, so that outside air enters the air inlet cavity through the air inlet grille, and air in the air inlet cavity enters the installation cavity through an opening at the top of the air inlet cavity. The baffle plate shields the air inlet grille, so that the noise in the gas water heater can be prevented from being directly transmitted out through the air inlet grille, and the baffle plate has the function of blocking the noise transmission way; the baffle can play the flow direction of restriction air for the air that the air inlet grid got into gets into by air inlet chamber upper portion opening, avoids the air to produce the noise at air inlet grid department vortex, reduces the noise of gas heater during operation, weakens the gas heater and spreads to outside noise.

Drawings

Alternative embodiments of the housing assembly and gas water heater of the present application are described below with reference to the drawings. The attached drawings are as follows:

FIG. 1 is a schematic structural diagram of a gas water heater provided by an embodiment of the present application;

FIG. 2 is an exploded view of a gas water heater provided by an embodiment of the present application;

FIG. 3 is a rear view of an enclosure assembly provided by an embodiment of the present application;

FIG. 4 is a cross-sectional view taken at P-P of FIG. 3;

FIG. 5 is an enlarged schematic view of area A of FIG. 4;

FIG. 6 is an enlarged schematic view of region B of FIG. 4;

FIG. 7 is an enlarged schematic view of region C of FIG. 4;

FIG. 8 is an enlarged schematic view of region D of FIG. 4;

FIG. 9 is a schematic structural diagram of a baffle provided in an embodiment of the present application;

fig. 10 is a schematic structural diagram of a back plate of a housing assembly provided in an embodiment of the present application.

In the drawings: 100: a housing; 101: a mounting cavity; 110: a back plate; 111: an air inlet grille; 112: an air inlet; 113: a body plate portion; 114: a projecting plate portion; 115: a first abutting edge; 116: a first fixed flange; 117: third fixed flanging; 120: a top plate; 121: a smoke vent; 122: a top plate body; 123: a first mounting edge; 124: a first folded edge; 130: a base plate; 131: a water pipe is passed through a hole; 132: gas passing through holes; 133: a bottom plate body; 134: a second mounting edge; 135: a second folded edge; 140: a front cover shell; 141: a front panel part; 142: a first side plate portion; 143: a second side plate portion; 144: a second abutting edge; 145: a second fixed flanging; 146: a fourth fixed flanging; 200: a baffle plate; 201: an air inlet cavity; 210: a plate body; 220: a connecting plate portion; 230: a mounting plate portion; 240: a fixed plate portion; 250: reinforcing the convex hull; 300: a fan; 400: a burner; 500: a heat exchange device; 600: a wall hanging rack.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining technical principles of the embodiments of the present application, and are not intended to limit the scope of the embodiments of the present application. And can be adjusted as needed by those skilled in the art to suit particular applications.

Furthermore, it should be noted that in the description of the embodiments of the present application, the terms "inside", "outside", and the like indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, but do not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application.

Furthermore, it should be noted that, in the description of the embodiments of the present application, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art according to specific situations.

The gas heater is provided with the shell body, and combustor, heat transfer device, fan etc. all install inside the shell body, and usually, the back of shell body is provided with the air intake, and under the effect of fan, outside air enters into the inside of shell body via the air intake, then enters into inside the combustor through the fan, provides the air for the gas burning. Noise inside the outer shell, such as fan noise, airflow noise, etc., can all spread out through the air inlet, resulting in the noise of gas heater being loud.

In view of this, in the gas water heater according to the embodiment of the present application, the air inlet grille is disposed on the back surface of the outer shell, the baffle is disposed inside the outer shell, at least part of the baffle is opposite to the air inlet grille and has a gap, and the baffle can prevent noise inside the gas water heater from directly coming out through the air inlet grille, and has an effect of blocking a noise propagation path; in addition, the baffle can also limit the flowing direction of air, so that the air entering the air inlet grille enters through the upper opening of the air inlet grille, the air is prevented from disturbing at the air inlet grille to generate noise, the noise generated when the gas water heater operates is reduced, and the noise transmitted to the outside by the gas water heater is weakened.

The technical scheme of the shell component and the gas water heater of the embodiment of the application is described below by combining the attached drawings.

First, it should be noted that, in the embodiment of the present application, the directional word "front" refers to a side of the gas water heater facing a user, and the back is opposite to the front; the term "bottom" refers to the side facing the ground. The "front-back direction" and the "longitudinal direction" correspond to the Y axis in the drawings, the "left-right direction" and the "lateral direction" correspond to the X axis in the drawings, and the vertical direction corresponds to the Z axis in the drawings.

FIG. 1 is a schematic structural diagram of a gas water heater provided by an embodiment of the present application; fig. 2 is an exploded view of a gas water heater provided in an embodiment of the present application.

Referring to fig. 1 and 2, an embodiment of the present application provides a gas water heater, including: the air-conditioning system comprises a fan 300, a combustor 400, a heat exchange device 500 and a shell assembly, wherein the fan 300, the combustor 400 and the heat exchange device 500 are all installed in an installation cavity of the shell assembly, and the fan 300 is installed at the bottom end of the combustor 400 and provides air for combustion of the combustor 400; in order to improve the stability of the installation of the fan 300, the fan 300 is fixedly connected to the housing assembly by a hanger while the fan 300 is fixedly connected to the burner 400. The fan 300 can suck air in the external environment into the combustor 400, a part of the air enters the combustion cavity of the combustor for gas combustion, and the other part of the air enters the cooling air duct of the combustor to play a role in cooling.

The heat exchanging device 500 is installed at the top end of the burner 400, so as to exchange heat with high-temperature flue gas generated by the combustion of the burner 400, thereby achieving the purpose of preparing hot water. A smoke exhaust pipeline is installed at the top end of the heat exchange device 500, penetrates out of the shell component and exhausts smoke to the outside.

FIG. 3 is a rear view of an enclosure assembly provided by an embodiment of the present application; fig. 4 is a cross-sectional view of P-P in fig. 3.

The shell assembly of the embodiment of the application provides an installation space for the fan 300, the combustor 400, the heat exchange device 500 and the like, and plays a role in protecting the internal structure of the gas water heater. With reference to fig. 1 to 4, an enclosure assembly of an embodiment of the present application includes: a housing 100 and a baffle 200; wherein, the housing 100 is formed with a mounting cavity 101 to mount the blower 300, the burner 400, the heat exchanging device 500, etc. An air inlet grill 111 is provided at the back of the casing 100 so that external air can enter the installation chamber 101 and enter the inside of the burner 400 by the fan 300.

The air inlet grille 111 may be disposed in various manners, for example, a mounting opening is disposed on the back side of the casing 100, and a plurality of strips extending transversely are vertically installed in the mounting opening at intervals to form the air inlet grille; of course, a plurality of vertically extending strips may be installed in the installation opening at intervals along the transverse direction to form the air inlet grille. In this application embodiment, a plurality of rectangular shape openings have been seted up at the back of casing 100, rectangular shape opening is along horizontal (corresponding X axle) extension, vertical (corresponding Z axle) interval arrangement is followed to a plurality of rectangular shape openings, on every rectangular shape open-ended top, the left end sets up curved housing with the right-hand member, thereby form air inlet grille 111, wherein, the housing can play certain effect of sheltering from, can block to a certain extent that water droplet, foreign matter etc. enter into in the installation cavity 101.

Fig. 9 is a schematic structural diagram of a baffle provided in an embodiment of the present application.

With reference to fig. 2 and 9, the baffle 200 of the embodiment of the present application includes: the bottom edge of the plate body 210 and the first and second side edges located at both sides of the bottom edge of the plate body 210 are respectively bent and extended toward the outer side of the mounting cavity 101 to form the connecting plate portion 220, and in the direction shown in the drawing, the bottom edge and the left and right side edges of the plate body 210 are bent and extended backward to form the connecting plate portion 220. The web portion 220 is substantially U-shaped.

The tip of connecting plate portion 220 deviates from board body 210 and buckles and extends and form installation board portion 230, specifically, and connecting plate portion 220 of board body 210 bottom bends downwards and extends and forms installation board portion 230, and connecting plate portion 220 of board body 210 left end bends leftwards and extends and form installation board portion 230, and connecting plate portion 220 of board body 210 right-hand member bends rightwards and extends and form installation board portion 230. The mounting plate portion 230 is substantially U-shaped. The mounting plate portion 230 is attached to the back surface of the housing 100. The mounting plate portion 230 is fixedly connected to the housing 100, for example, the mounting plate portion 230 is bonded to the housing 100; for another example, the mounting plate portion 230 is screwed with the housing 100, so that the connection is stable and reliable; for another example, the mounting plate portion 230 is engaged with the housing 100, and the fixing connection manner of the mounting plate portion 230 and the housing 100 is not limited herein.

The panel body 210, the connecting panel portion 220 and the housing 100 opposite to the panel body 210 together define an air inlet cavity 201 with an open top, so that outside air enters the air inlet cavity 201 through the air inlet grille 111, and under the limitation of the cavity wall of the air inlet cavity 201, air in the air inlet cavity 201 enters the installation cavity 101 through the opening on the top thereof.

The housing assembly of the embodiment of the present application is provided with an air inlet grille 111 on the housing 100; a baffle 200 is installed on the back of the housing 100, and specifically, the baffle 200: the air inlet structure comprises a plate body 210, a connecting plate portion 220 and a mounting plate portion 230, wherein the plate body 210, the connecting plate portion 220 and a part of the shell 100 opposite to the plate body 210 jointly form an air inlet cavity 201 with an open top, the mounting plate portion 230 is attached to and fixedly connected with the back of the shell 100, so that the bottom end and the left end and the right end of the air inlet cavity 201 are sealed, outside air enters the air inlet cavity 201 through an air inlet grille 111, and air in the air inlet cavity 201 enters the mounting cavity 101 through an opening in the top of the air inlet cavity 201 under the limitation of the wall of the air inlet cavity 201. The baffle 200 shields the air inlet grille 111, so that the noise in the gas water heater can be prevented from being directly transmitted out through the air inlet grille 111, and the effect of blocking the noise transmission path is achieved; the plate body 210 of the baffle plate 200 is spaced from the air inlet grille 111, so that outside air enters the mounting cavity 101 of the shell 100 through the air inlet cavity 201, the baffle plate 200 can limit the flowing direction of the air, the air entering the air inlet grille 111 enters through the upper opening of the air inlet cavity 201, noise caused by turbulent flow of the air at the air inlet grille 111 is avoided, the noise generated when the gas water heater operates is reduced, and the noise transmitted to the outside by the gas water heater is weakened.

Fig. 10 is a schematic structural diagram of a back plate of a housing assembly provided in an embodiment of the present application. With reference to fig. 3 and 10, the back of the casing 100 is provided with a plurality of air inlets 112, the plurality of air inlets 112 extend along the transverse direction (corresponding to the X axis in the drawing) of the casing 100, the plurality of air inlets 112 are arranged at intervals along the vertical direction (corresponding to the Z axis in the drawing) of the casing 100 to form an air inlet grille 111, the plurality of air inlet grills 111 are arranged at intervals along the transverse direction (corresponding to the X axis in the drawing) of the casing 100, and exemplarily, in the drawing, four air inlets 112 are arranged at intervals along the Z axis to form the air inlet grille 111, and two air inlet grills 111 are arranged at intervals along the X axis. The number of the air inlets 112 included in the air-inlet grille 111 is not limited in the embodiment of the present application, and the number of the air-inlet grille 111 is not limited.

The partial plate body 210 is recessed towards the outer side of the installation cavity 101 to form a fixing plate portion 240, the fixing plate portion 240 is attached to and fixedly connected with a portion, located between two adjacent air inlet grilles 111, of the casing 100, and the fixing plate portion 240 extends vertically to be connected with the installation plate portion 230. The fixing plate portion 240 of the embodiment of the present application is provided with at least one, and the fixing plate portion 240 divides the air inlet cavity 201 into at least two chambers, so that air entering from at least one air inlet grille 111 and other air inlet grilles 111 enters the installation cavity 101 through different chambers, and noise caused by air moving in the air inlet cavity 201 is avoided.

In some embodiments, a plurality of air inlet grills 111 are arranged at intervals in the X-axis direction. The fixing plate portion 240 is provided with one, which divides the air inlet cavity 201 into two chambers, wherein a part of the air inlet grilles 111 is opposite to one of the two chambers, and the other part of the air inlet grilles 111 is opposite to the other one of the two chambers, so that the air entering the air inlet grilles 111 enters the installation cavity 101 through different chambers, which is beneficial to reducing the noise generated by the disturbance of the air in the air inlet cavity 201.

In some possible embodiments, a plurality of air inlet grills 111 are arranged at intervals along the X-axis direction. The fixing plate part 240 is provided in plurality, the fixing plate parts 240 are arranged at intervals in the X-axis direction, and when the fixing plate parts 240 are N, the N fixing plate parts 240 divide the air inlet chamber 201 into N +1 chambers, where N is a positive integer greater than 1. The chambers are arranged corresponding to the air inlet grills 111, that is, each air inlet grille 111 corresponds to one chamber, so that air entering each air inlet grille 111 enters the installation cavity 101 through one chamber, and noise caused by air disturbance in the chambers is further reduced.

The fixing plate 240 and the housing 100 can be fixedly connected in various ways, for example, the fixing plate 240 and the housing 100 are connected by screw threads, and the connection is stable and reliable; of course, the fixing plate portion 240 may be snapped, bonded, etc. to the housing 100. In the embodiment of the present application, the fixing plate portion 240 and the mounting plate portion 230 may be both fixed to the housing 100 by screws, and the connection manner is stable and reliable.

With continued reference to fig. 9, the partial panel body 210 projects toward the air inlet chamber 201 to form a reinforcing bead 250, and in the orientation shown, the partial panel body 210 projects rearwardly to form the reinforcing bead 250. The reinforcing convex hull 250 can be a circular convex hull, the reinforcing convex hull 250 can be a long-strip-shaped convex hull extending along the X-axis direction, the reinforcing convex hull 250 can also be a long-strip-shaped convex hull extending along the vertical direction, and the shape of the reinforcing convex hull 250 is not limited in the embodiment of the application. One reinforcing convex hull 250 may be provided, and a plurality of reinforcing convex hulls 250 may be provided, for example, a plurality of reinforcing convex hulls 250 arranged in a rectangular matrix are provided on the plate body 210. Referring to fig. 9, a strip-shaped convex hull extending along the X-axis direction is disposed on the plate body 210 of the corresponding portion of each chamber. The shape and number of the reinforcing convex hulls 250 are not limited in the embodiments of the present application.

Alternatively, portions of the panel body 210 project away from the air inlet cavity 210 to form a reinforcing convex hull.

The embodiment of the application is favorable for improving the structural strength and stability of the baffle 200 by arranging the reinforcing convex hull 250 on the plate body 210.

With reference to fig. 1 and fig. 2, in some possible implementations, the casing 100 includes a back plate 110, a top plate 120, a bottom plate 130, and a U-shaped front casing 140, and two sides of the front casing 140 are respectively connected to two sides of the back plate 110. In the embodiment of the present application, the front cover 140 is a single piece, and includes a front panel 141, and a first side plate 142 and a second side plate 143 on two sides of the front panel 141, where the first side plate 142 and the second side plate 143 are parallel and opposite to each other at an interval, and the first side plate 142 is perpendicular to the front panel 141. The front housing 140 is arranged in this way, so that the arrangement of connecting structures on two sides of the front panel part 141 is avoided, the assembly efficiency can be improved, and the appearance of the gas water heater is guaranteed. The back plate 110 is provided with an air inlet grille 111, and the front plate portion 141 can be provided with a control panel, such as a switch button, a temperature adjustment button, etc., for controlling the operation of the gas water heater.

The first side plate portion 142 and the second side plate portion 143 of the front cover 140 are respectively connected to two sides of the back plate 110, and the front cover 140 and the back plate 110 form a straight cylinder structure with two open ends. In some possible implementations, referring to fig. 10, two sides of the back plate 110 are bent forward to form a first abutting edge 115, referring to fig. 2, the first side plate portion 142 and the second side plate portion 143 form a second abutting edge 144, and the second abutting edge 144 abuts against the first abutting edge 115. Optionally, the second abutting edge 144 is riveted with the first abutting edge 115, which is beneficial to improving the stability and reliability of the connection between the back plate 110 and the front cover 140.

The top end of the front cover shell 140 and the top end of the back plate 110 are both fixedly connected with the top plate 120, and the bottom end of the front cover shell 140 and the bottom end of the back plate 110 are both fixedly connected with the bottom plate 130; the back plate 110, the front cover 140, the top plate 120 and the bottom plate 130 enclose a mounting cavity 101. The bottom plate 130 is provided with two water pipe through holes 131 and two gas through holes 132, and the two water pipe through holes 131 are respectively used for mounting a water inlet pipe and a water outlet pipe; the gas through hole 132 is used for installing a gas pipe. The top plate 120 is provided with a smoke exhaust hole 121 so that the smoke exhaust pipe can pass through to exhaust smoke to the outside.

In a possible implementation manner, referring to fig. 4 to 6, the top end of the back plate 110 is provided with a first fixing flange 116, the first fixing flange 116 is formed by bending and extending the top end of the back plate 110 forward, and the first fixing flange 116 is parallel to the top plate 120. Referring to fig. 2, a second fixing flange 145 is provided at the top end of the front housing 140, specifically, the top end of the front panel 141 is bent backward and extended to form the second fixing flange 145, the top end of the first side panel 142 is bent toward the second side panel 143 and extended to form the second fixing flange 145, the top end of the second side panel 143 is bent toward the first side panel 142 and extended to form the second fixing flange 145, and the second fixing flange 145 is parallel to the top panel 120.

Referring to fig. 4 and 5, the top plate 120 includes a top plate 122 and a first mounting edge 123, the top plate 122 is provided with a smoke discharge hole 121, an edge of the top plate 122 is recessed downward to form the first mounting edge 123, and the first mounting edge 123 is surrounded around the top plate 122. The first mounting edge 123 is respectively fixedly connected with the second fixing flange 145 and the first fixing flange 116, in the embodiment of the present application, the first mounting edge 123 is connected with the second fixing flange 145 through a screw, the first mounting edge 123 is connected with the first fixing flange 116 through a screw, and the connection manner is stable and reliable. The first mounting edge 123 is arranged in the embodiment of the application, so that the positioning of the top ends of the back plate 110 and the front cover shell 140 during mounting can be facilitated, and the convenience of connection is improved.

The second fixed flange 145 and the first fixed flange 116 are flush with the top plate 122, so that the second fixed flange 145 and the first fixed flange 116 can be prevented from protruding out of the top plate 122, and the appearance of the gas water heater can be improved. Moreover, the fixed connection between the top ends of the back plate 110 and the front cover shell 140 is located on the plane of the top plate 120, so that the operation and the installation are convenient, the connecting position on the front side can be avoided, and the appearance of the gas water heater is further improved.

In the embodiment of the present application, with reference to fig. 5, the end of the first mounting edge 123 is bent downward to form a first folding edge 124, and the first folding edge 124 can improve the structural strength of the first mounting edge 123, so as to prevent the first mounting edge 123 from deforming to affect the fixed connection between the back plate 110 and the front housing 140.

In a possible implementation manner, referring to fig. 4, fig. 7 and fig. 8, the bottom end of the back plate 110 is provided with a third fixing flange 117, the third fixing flange 117 is formed by bending and extending the bottom end of the back plate 110 forward, and the third fixing flange 117 is parallel to the bottom plate 130. The bottom of preceding housing 140 is provided with the fixed turn-ups 146 of fourth, and is concrete, and the bottom of front panel portion 141 bends backward to extend and forms the fixed turn-ups 146 of fourth, and the bottom of first side board portion 142 bends towards second side board portion 143 and extends and forms the fixed turn-ups 146 of fourth, and the top of second side board portion 143 bends towards first side board portion 142 and extends and forms the fixed turn-ups 146 of fourth, and the fixed turn-ups 146 of fourth is parallel with bottom plate 130.

The bottom plate 130 comprises a bottom plate body 133 and a second mounting edge 134, the bottom plate body 133 is provided with a water pipe via hole 131 and a gas via hole 132, the edge of the bottom plate body 133 is recessed upwards to form the second mounting edge 134, and the second mounting edge 134 is surrounded on the periphery of the bottom plate body 133. The second mounting edge 134 is fixedly connected with the third fixing flange 117 and the fourth fixing flange 146 respectively, in the embodiment of the present application, the second mounting edge 134 is connected with the third fixing flange 117 through a screw, the second mounting edge 134 is connected with the fourth fixing flange 146 through a screw, and the connection manner is stable and reliable. The second mounting edge 134 is arranged in the embodiment of the application, so that the bottom ends of the back plate 110 and the front housing 140 can be conveniently positioned during mounting, and the convenience of connection is improved.

The third fixed flange 117 and the fourth fixed flange 146 are flush with the bottom plate body 133, so that the third fixed flange 117 and the fourth fixed flange 146 are prevented from protruding out of the bottom plate body 133, and the appearance regularity of the gas water heater is improved. Moreover, the fixed connection between the bottom ends of the back plate 110 and the front cover shell 140 is located on the plane of the bottom plate 130, so that the operation and installation are convenient, the connection position on the front side can be avoided, and the appearance of the gas water heater is further improved.

In this application embodiment, the end of the second mounting edge 134 is bent upward and extends to form a second flange 135, and the second flange 135 can improve the structural strength of the second mounting edge 134, so as to prevent the second mounting edge 134 from deforming and affecting the fixed connection between the backplate 110 and the front housing 140.

With reference to fig. 10, back panel 110 of the embodiment of the present application includes body panel 113 and protruding panel 114, and protruding panel 114 is formed by part of body panel 113 deviating from installation cavity 101, and air-inlet grille 111 is disposed on body panel 113, so that when the back of gas water heater is installed on a wall, protruding panel 114 can abut against a wall surface, and body panel 113 has a gap with the wall surface, so as to facilitate air inlet grille 111. The upper and lower sides of the air-inlet grille 111 are respectively provided with a protruding plate part 114, which can ensure that a gap is formed between the air-inlet grille 111 and the wall surface, and ensure that the air-inlet grille 111 can enter air. Moreover, this application embodiment is favorable to improving the structural strength and the stability of backplate 110 for this setting backplate 110, avoids backplate 110 to warp and influences the installation of gas heater.

In this embodiment, the gas water heater further includes a wall mount 600, one end of the wall mount 600 is fixedly connected to the back plate 110, and the other end of the wall mount 600 is used for being fixed to a wall, so as to implement installation of the gas water heater. The wall-hanging rack 600 may be a substantially Z-shaped wall-hanging board, and both ends thereof are respectively provided with mounting holes for facilitating screw connection. Optionally, the top end and the bottom end of the back plate 110 are respectively provided with a wall hanging rack 600, so that the stability of installation of the gas water heater is improved.

To sum up, the gas water heater of the embodiment of the present application has a housing assembly including a housing 100 and a baffle 200, wherein the housing 100 is formed with an installation cavity 101, and the back of the housing 100 is provided with an air inlet grille 111; the baffle 200 comprises a plate body 210, a connecting plate part 220 and a mounting plate part 230, wherein the plate body 210 and the back of the shell 100 are spaced, the bottom edge of the plate body 210 and a first side edge and a second side edge which are positioned at two sides of the bottom edge of the plate body 210 are respectively bent and extended towards the outer side of the mounting cavity 101 to form the connecting plate part 220, the end part of the connecting plate part 220, which is deviated from the plate body 210, is bent and extended to form the mounting plate part 230, the mounting plate part 230 is attached to the back of the shell 100, and the mounting plate part 230 is fixedly connected with the shell 100; the plate body 210, the connecting plate portion 220 and the housing 100 opposite to the plate body 210 together define an air inlet cavity 201 with an open top, so that the outside air enters the air inlet cavity 201 through the air inlet grille 111, and the air in the air inlet cavity 201 enters the mounting cavity 101 through the opening on the top. The baffle 200 shields the air inlet grille 111, so that the noise in the gas water heater can be prevented from being directly transmitted out through the air inlet grille 111, and the effect of blocking the noise transmission path is achieved; the baffle 200 can limit the flowing direction of air, so that the air entering from the air inlet grille 111 enters from the upper opening of the air inlet cavity 201, noise generated by air turbulence at the air inlet grille 111 is avoided, the noise generated when the gas water heater operates is reduced, and the noise transmitted to the outside by the gas water heater is weakened.

So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.

Claims (10)

1. An enclosure assembly, comprising: a housing and a baffle; the shell is provided with an installation cavity, and the back of the shell is provided with an air inlet grille;

the baffle includes: the bottom edge of the plate body and the first side edge and the second side edge which are positioned on two sides of the bottom edge of the plate body are bent and extended towards the outer side of the installation cavity respectively to form the connecting plate part, the end part of the connecting plate part deviates from the plate body and is bent and extended to form the installation plate part, the installation plate part is attached to the back surface of the shell, and the installation plate part is fixedly connected with the shell;

the plate body, the connecting plate part and the shell opposite to the plate body jointly form an air inlet cavity with an opening at the top.

2. The housing assembly of claim 1, wherein the back of the housing is provided with a plurality of air intakes extending in a transverse direction of the housing, the plurality of air intakes being spaced apart vertically of the housing to form the air intake grille, the plurality of air intake grille being spaced apart transversely of the housing;

part the board body orientation the outside of installation cavity is sunken to form fixed plate portion, fixed plate portion with the casing be located adjacent two laminate and fixed connection of part between the air-inlet grille.

3. The enclosure assembly of claim 2, wherein the fixed panel portion is provided with at least one, the fixed panel portion dividing the intake air cavity into at least two chambers, the chambers being disposed in correspondence with the intake grille.

4. The enclosure assembly of claim 2, wherein the retainer plate portion is threadably connected with the housing; the mounting plate portion is in threaded connection with the housing.

5. The enclosure assembly of claim 1, wherein a portion of the panel body projects inwardly toward the air intake cavity to form a reinforcing bead.

6. The enclosure assembly of any of claims 1-5, wherein the housing comprises a back plate, a top plate, a bottom plate, and a U-shaped front casing, wherein two sides of the front casing are connected to two sides of the back plate, respectively; the top end of the front cover shell and the top end of the back plate are fixedly connected with the top plate, and the bottom end of the front cover shell and the bottom end of the back plate are fixedly connected with the bottom plate; the back plate, the front cover shell, the top plate and the bottom plate enclose the mounting cavity; the air inlet grille is arranged on the back plate, the water pipe via hole and the gas via hole are formed in the bottom plate, and the smoke exhaust hole is formed in the top plate.

7. The enclosure assembly of claim 6, wherein the back panel includes a body panel portion and a protruding panel portion formed by a portion of the body panel portion protruding away from the mounting cavity, wherein the air inlet grille is disposed on the body panel portion, and wherein the protruding panel portions are disposed on upper and lower sides of the air inlet grille, respectively.

8. The housing assembly of claim 6, wherein a top end of the back plate is provided with a first fixing flange, and a top end of the front housing shell is provided with a second fixing flange; the roof includes top plate body and first installation limit, the top plate body is provided with the smoke vent, the marginal undercut of top plate body forms first installation limit, first installation limit respectively with the fixed turn-ups of second with first fixed turn-ups fixed connection, the fixed turn-ups of second with first fixed turn-ups all with top plate body parallel and level.

9. The housing assembly of claim 6, wherein the bottom end of the back plate is provided with a third fixed flange and the bottom end of the front housing shell is provided with a fourth fixed flange; the bottom plate includes bottom plate body and second installation limit, the bottom plate body is provided with the water pipe via hole with the gas via hole, the edge of bottom plate body is sunken formation upwards the second installation limit, the second installation limit respectively with the fixed turn-ups of third with the fixed turn-ups fixed connection of fourth, the fixed turn-ups of third with the fixed turn-ups of fourth all with bottom plate body parallel and level.

10. A gas water heater, comprising: a fan, a burner, a heat exchange device, and the housing assembly of any of claims 1-9, the fan, the burner, and the heat exchange device all mounted within a mounting cavity of the housing assembly, the fan mounted at a bottom end of the burner, the heat exchange device mounted at a top end of the burner.

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