CN215571292U - Face shell subassembly and gas heater - Google Patents

Abstract

The utility model belongs to the technical field of water heaters, and particularly relates to a face shell assembly and a gas water heater. The utility model aims to solve the technical problems that the display panel is easy to bulge or sink, the installation process is complex and the efficiency is low when the display panel is installed on the existing sheet metal panel shell. The panel shell assembly comprises the plastic outer shell and the metal plate inner shell fixed on the inner side of the plastic outer shell, the metal plate inner shell can ensure the structural strength of the panel shell assembly, the plastic outer shell is convenient to shape, and the appearance attractiveness of the panel shell assembly is improved; moreover, the plastic shell is provided with a transparent display area, the inner side of the plastic shell is provided with a fixing structure, and the display panel of the gas water heater is hidden inside the transparent display area and is fixedly connected with the fixing structure, so that the attractiveness of the appearance of the panel shell assembly is improved; in the installation process of the display panel, the protrusion or the depression of the display panel relative to the plastic shell does not need to be considered, the installation process is simple, and the efficiency is high.

Description

Face shell subassembly and gas heater

Technical Field

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

Background

The gas water heater 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. The shell of the gas water heater usually comprises a face shell and a back shell, and the face shell is provided with a display panel to realize the display and control operation of the water heater.

In the prior art, in order to ensure the structural strength of the gas outer shell, the face shell is usually formed by machining a sheet metal part. The panel beating face-piece is provided with a mounting opening, and the display panel is fixed in the mounting opening.

However, in the process of installing the display panel, the display panel is easily protruded out of the sheet metal panel shell or sunken into the sheet metal panel shell, and the installation process is complex and low in efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a panel shell assembly and a gas water heater, aiming at solving the problems that in the prior art, a display panel is installed by arranging an installation opening on an existing sheet metal panel shell, the display panel is easy to protrude out of the sheet metal panel shell or sink into the sheet metal panel shell, the installation process is complex, and the efficiency is low.

The face shell assembly includes: a plastic outer shell and a metal plate inner shell; the plastic shell comprises a transparent display area, and a fixing structure for fixing the display panel is arranged on the inner side of the plastic shell; the panel beating inner shell is fixed the inboard of plastics shell, just the panel beating inner shell be provided with the opening is dodged to the display area is relative, in order to dodge display panel.

In an optional technical solution of the above-mentioned panel assembly, the fixing structure includes a limiting ring and a plurality of limiting blocks, the limiting ring is disposed at an inner side of the plastic housing, and the display area is located in the limiting ring; follow the circumference interval of spacing ring is provided with a plurality ofly the stopper, the stopper be provided with the joint interface of display panel joint.

In an optional technical scheme of the above panel assembly, the fixing structure further includes a connecting column disposed outside the limiting ring, and the connecting column is provided with a threaded hole connected with the display panel.

In an optional technical solution of the above panel assembly, the plastic housing includes an outer flat plate portion and a first transition plate portion located in a circumferential direction of the outer flat plate portion, and the first transition plate portion is an arc-shaped plate protruding outward; the outer flat plate portion is provided with the display area and a non-display area; the sheet metal inner shell comprises an inner flat plate part, an annular flat plate part and a second transition plate part which connects the inner flat plate part and the annular flat plate part, and the inner flat plate part and the annular flat plate part are parallel to the outer flat plate part; the avoidance opening is arranged on the inner flat plate part; the inner flat plate part is clamped with the outer flat plate part; annular flat plate portion with first transition board portion joint, just the lateral surface of annular flat plate portion with the terminal surface butt of first transition board portion.

In an optional technical solution of the above-mentioned panel assembly, the inner side surface of the non-display area is provided with a plurality of first support rings arranged in a matrix, and an end surface of each first support ring is a plane; the first support ring is abutted against the inner flat plate part; a plurality of second support rings are arranged on the inner side surface of the first transition plate part and are arranged at intervals along the circumferential direction of the outer flat plate part; the end face of the second support ring is an inclined face, and the second support ring is abutted to the second transition plate portion.

In an optional technical scheme of the panel assembly, a plurality of horizontal ribs and a plurality of vertical ribs are arranged on the inner side surface of the non-display area, the plurality of horizontal ribs are arranged at intervals along the vertical direction, and the plurality of vertical ribs are arranged at intervals along the horizontal direction; first support ring sets up vertical rib with horizontal rib crossing position, just first support ring highly all is greater than vertical rib with the height of horizontal rib.

In an alternative embodiment of the above-mentioned panel assembly, the outer flat plate portion and the inner flat plate portion are both rectangular; a plurality of first buckles are arranged on the non-display area of the outer flat plate part, wherein at least one first buckle is arranged on the wide side of the outer flat plate part, and at least one first buckle is arranged on the long side of the outer flat plate part; be provided with a plurality of on the interior flat board portion with the joint piece of first buckle joint, be provided with first bayonet socket on the joint piece.

In an optional technical solution of the above panel assembly, the first transition plate portion is provided with a plurality of second clips, wherein at least one of the second clips is disposed on the long side of the first transition plate portion, and wherein at least one of the second clips is disposed on the wide side of the first transition plate portion; and a second bayonet which is clamped with the second buckle is arranged on the annular flat plate part.

In an optional technical solution of the above-mentioned panel assembly, the first buckle includes a first connecting arm and a first joint head, the first connecting arm is connected with the outer flat plate portion and the first joint head respectively, and the first joint head is located at an outer side of the first connecting arm and is clamped into the first joint opening; the second buckle includes second linking arm and second joint, the second linking arm respectively with first transition board portion with the second joint connects, just the second joint is located the inboard of second linking arm, the second joint card is gone into in the second bayonet socket.

The gas water heater includes: the display panel is arranged on the inner side of the plastic shell of the panel shell assembly, and the display panel is opposite to the display area of the plastic shell.

The panel shell assembly comprises a plastic outer shell and a metal plate inner shell fixed on the inner side of the plastic outer shell, the metal plate inner shell can ensure the structural strength of the panel shell assembly, the plastic outer shell is convenient to shape, and the aesthetic property of the appearance of the panel shell assembly is favorably improved; the plastic shell is provided with a transparent display area, the inner side of the plastic shell is provided with a fixing structure, and a display panel of the gas water heater is hidden inside the transparent display area and is fixedly connected with the fixing structure; the appearance attractiveness of the face shell assembly is improved, the plastic shell is of an integral structure and does not have a display panel mounting gap, and impurities such as dust can be prevented from entering the gas water heater. In the installation process of the display panel, the protrusion or the depression of the display panel relative to the plastic shell does not need to be considered, and the installation process is simple and reliable and has high efficiency.

Drawings

Embodiments of the panel assembly and gas water heater of the present invention are described below with reference to the accompanying drawings. The attached drawings are as follows:

FIG. 1 is an exploded view of a face shell assembly provided by an embodiment of the present invention;

FIG. 2 is a rear view of a face housing assembly provided by an embodiment of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 1;

FIG. 4 is an enlarged schematic view of Q of FIG. 3;

FIG. 5 is a schematic structural view of the inside of the plastic housing of the face housing assembly provided by an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of M of FIG. 5;

FIG. 7 is an enlarged schematic view of N of FIG. 5;

FIG. 8 is a schematic structural diagram of the inner side of the sheet metal inner shell of the face shell assembly provided in the embodiment of the present invention;

FIG. 9 is an enlarged schematic view of P of FIG. 8;

FIG. 10 is a schematic structural diagram of the outer side of the sheet metal inner shell of the face shell assembly provided by the embodiment of the utility model;

fig. 11 is a sectional view taken along line B-B in fig. 10.

In the drawings:

100: a plastic housing; 110: a display area; 120: a non-display area; 130: a limiting ring; 140: a limiting block; 141: a card interface; 150: connecting columns; 160: an outer flat plate portion; 161: a first support ring; 170: a first transition plate portion; 171: a second support ring; 181: horizontal ribs; 182: vertical ribs; 183: radial ribs; 190: a first buckle; 191: a first connecting arm; 192: a first card connector; 200: a second buckle; 201: a second connecting arm; 202: a second card connector; 210: a limiting wall; 300: a sheet metal inner shell; 310: avoiding the opening; 320: an inner flat plate portion; 321: a clip sheet; 322: a first bayonet; 330: an annular flat plate portion; 331: a second bayonet; 340: a second transition plate portion; 350: flanging; 360: a connecting seat.

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 invention, and are not intended to limit the scope of the embodiments of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the face shell assembly of the present invention is described in connection with a gas water heater, this is not intended to be limiting and other devices having face shell mounting requirements may be configured with the face shell assembly of the present invention, such as a wall-mounted stove.

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

Furthermore, it should be noted that, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, 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 invention can be understood by those skilled in the art according to specific situations.

The surface shell of the existing gas water heater is usually made of sheet metal, a mounting opening is formed in the sheet metal surface shell, and the display panel is fixed in the mounting opening. However, in the process of installing the display panel, the display panel is easily protruded out of the sheet metal panel or sunken into the sheet metal panel shell, the installation process is complex, and the efficiency is low; and the protruding or sunken display panel influences the aesthetic property of gas heater. In addition, an installation gap is formed between the display panel and the face shell, so that impurities such as dust and the like easily enter the gas water heater to influence the performance of the gas water heater.

In view of this, the panel housing assembly provided in the embodiments of the present invention includes a plastic outer housing and a metal plate inner housing, and a part of the plastic outer housing is a transparent display area, and a clamping structure for fixing a display panel is disposed inside the plastic outer housing; an avoidance opening is formed in the position, opposite to the display area, of the metal plate inner shell, and the metal plate inner shell is clamped with the plastic outer shell; the display panel is clamped in the plastic shell, so that the installation is simple, the efficiency is high, and the appearance of the panel shell assembly is not influenced; moreover, the plastic shell is seamless, so that dust and other impurities can be prevented from entering the gas water heater; and the plastic shell is convenient to shape and flexible in design.

The preferred embodiments of the panel assembly and the gas water heater of the present invention will be described in detail below.

The embodiment of the utility model provides a gas water heater, which comprises a display panel and a face shell assembly, wherein the display panel is used for displaying the working state of the gas water heater, and the display panel can be further provided with a touch module and can be used for controlling the working state of the gas water heater. The display panel is mounted inside the panel assembly.

It should be noted that, in the embodiment of the present invention, the directional word "inner" refers to the side facing the inside of the water heater, and "outer" refers to the side facing away from the water heater. In the embodiment of the present invention, the X direction is a horizontal direction or a width direction of the panel assembly, the Y direction is a vertical direction or a height direction of the panel assembly, and the Z direction is a front-back direction or a thickness direction of the panel assembly.

Referring now to fig. 1 and 2, fig. 1 is an exploded view of a panel housing assembly according to an embodiment of the present invention, and fig. 2 is a rear view of the panel housing assembly according to an embodiment of the present invention.

The panel shell assembly provided by the embodiment of the utility model comprises a plastic outer shell 100 and a sheet metal inner shell 300, and the specific materials of the plastic outer shell 100 and the sheet metal inner shell 300 are not limited in the embodiment of the utility model. The plastic outer shell 100 may be formed by injection molding, and the metal plate inner shell 300 may be manufactured by stamping, stretching, bending, and the like.

The plastic housing 100 includes a transparent display area 110 and a non-transparent non-display area 120. Optionally, the plastic housing 100 is made of a transparent material, and the outer side surface of the non-display area 120 is painted or printed to realize an appearance effect; alternatively, the plastic housing 100 may be formed by injection molding. A fixing structure for fixing the display panel is provided at the inner side of the plastic housing 100, and the fixing structure may include a snap member, a screw member, and the like. In order not to affect the display effect of the display area 110, a fixing structure is provided on the non-display area 120.

The inboard at plastic outer shell 100 is fixed to panel beating inner shell 300, i.e. panel beating inner shell 300 is located plastic outer shell 100's inboard, and panel beating inner shell 300 and plastic outer shell 100 fixed connection, and panel beating inner shell 300 can joint, screw connection etc. with plastic outer shell 100. Furthermore, the sheet metal inner shell 300 is provided with an avoidance opening 310, and the avoidance opening 310 is opposite to the display area 110; thus avoiding the display surface.

Optionally, the plastic outer shell 100 is a rounded rectangle, and the metal plate inner shell 300 is a rounded rectangle, so that the processing is convenient, and the attractiveness is improved.

The shapes of the display area 110 and the bypass opening 310 are consistent with the shape of the display panel, for example, when the display panel is a rectangular panel, the display area 110 and the bypass opening 310 are both rectangular. For another example, referring to fig. 1 and 2, the display panel is a "convex" panel, and the display area 110 and the avoidance opening 310 are both in a "convex" shape. The shapes of the display area 110 and the avoidance opening 310 are not limited in the embodiments of the present invention.

In the structure shown in fig. 1, the display panel is mounted at a position relatively lower than the panel housing assembly, that is, the display area 110 is disposed at a position relatively lower than the plastic outer housing 100, and the escape opening 310 is located at a position relatively lower than the sheet metal inner housing 300. This is not restrictive and can be set by those skilled in the art according to the actual circumstances such as the specific shape and size of the display panel, the shape and size of the plastic housing 100, and the like.

The face shell assembly provided by the embodiment of the utility model comprises the plastic outer shell 100 and the sheet metal inner shell 300 which is clamped and fixed on the inner side of the plastic outer shell 100, so that the structural strength of the face shell assembly is ensured, the face shell assembly is not easy to deform, the plastic outer shell 100 is convenient to shape, and the flexibility related to the appearance of the face shell assembly is favorably improved. Plastics outer shell 100 is provided with transparent display area 110, the inboard of plastics outer shell 100 is provided with fixed knot and constructs, panel beating inner shell 300 is provided with dodges opening 310 relative with display area 110, so display panel passes through fixed knot and constructs and fix on plastics outer shell 100, so transparent display area 110 forms display panel's apron, display panel hides at display area 110 inboardly, not only be favorable to improving the aesthetic property of the outward appearance of face shell subassembly, and plastics outer shell 100 is overall structure and no display panel's installation gap, can avoid impurity such as dust to carry out inside the gas heater. In the installation process of the display panel, the protrusion or the depression of the display panel relative to the plastic shell 100 does not need to be considered, and the installation process is simple and reliable and has high efficiency.

Fig. 5 is a schematic structural view of the inner side of the plastic housing of the panel housing assembly according to the embodiment of the present invention, and fig. 6 is an enlarged view of M in fig. 5.

In some specific implementations, with reference to fig. 5 and 6, the fixing structure includes a limiting ring 130 and a plurality of limiting blocks 140, the limiting ring 130 is disposed inside the plastic housing 100, and the display area 110 is located inside the limiting ring 130; a plurality of stoppers 140 are provided at intervals along the circumferential direction of the stopper ring 130, and the stoppers 140 are provided with clip interfaces 141 to be clip-connected with the display panel.

The limiting ring 130 protrudes from the inner side of the plastic housing 100, the limiting ring 130 is disposed in the non-display region 120, and the display region 110 is located inside the limiting ring 130. The spacing ring 130 may play a role of limiting the movement of the display panel.

The plurality of stoppers 140 are disposed at intervals along the circumferential direction of the stop collar 130, for example, at least one stopper 140 is disposed on each horizontal edge of the stop collar 130, and at least one stopper 140 is disposed on each vertical edge of the stop collar 130. The shape of the position limiting ring 130 is identical to the shape of the display panel. Taking the structure shown in the figure as an example, the limiting ring 130 is in a shape of a Chinese character 'tu', and comprises four horizontal edges and four vertical edges, wherein two limiting blocks 140 are respectively arranged on the upper horizontal edge and the lower horizontal edge, two limiting blocks 140 are respectively arranged on the middle horizontal edges, and two limiting blocks 140 are respectively arranged on the left vertical edge and the right vertical edge on the upper portion.

Of course, the shape of the stop collar 130 and the number of stop blocks 140 are not limited to the above. For example, the stopper ring 130 has a circular ring shape, and a plurality of stoppers 140 are disposed at regular intervals along the circumferential direction of the circular ring shape.

The limiting block 140 is provided with a clamping interface 141, and the clamping interface 141 may be a rectangular opening, which is clamped with a clamping structure provided on the display panel to realize the fixed connection between the display panel and the plastic housing 100. Therefore, the display panel is simple in installation mode and high in installation efficiency. In addition, the limiting ring 130 plays a role in mounting and positioning the display panel, thereby further improving the convenience of mounting the display panel.

With continued reference to fig. 5, the fixing structure further includes a connection post 150 disposed outside the limiting ring 130, and the connection post 150 is provided with a threaded hole connected with the display panel. Specifically, the screws are respectively screwed into the connection holes and the threaded holes on the display panel, so that the display panel is fixed inside the plastic housing 100.

The connection column 150 is disposed on the non-display area 120. Optionally, the connecting column 150 is disposed on the vertical edge of the lower portion of the right side of the "convex" shaped spacing ring 130. Optionally, two connecting columns 150 are provided, and the two connecting columns 150 are arranged at intervals along the vertical direction X. Of course, the arrangement position and number of the connection posts 150 are not limited thereto. For example, a connecting column 150 is disposed between two adjacent limiting blocks 140.

This embodiment sets up spliced pole 150 through the inboard at plastic casing 100 to be provided with the screw hole on spliced pole 150, make display panel adopt joint and spiro union's mode and plastic casing 100 fixed connection simultaneously, improve the stability and the reliability of display panel installation.

Fig. 3 is a sectional view taken along a line a-a in fig. 1, and fig. 4 is an enlarged view of Q in fig. 3.

With reference to fig. 2 to 4, the plastic housing 100 of the embodiment of the utility model includes an outer flat plate portion 160 and a first transition plate portion 170 located at a circumferential direction of the outer flat plate portion 160, where the first transition plate portion 170 is an arc-shaped plate protruding outward; the outer panel portion 160 is provided with a display area 110 and a non-display area 120.

The outer flat plate portion 160 is a rectangular plate, and the display area 110 and the non-display area 120 are disposed on the outer flat plate portion 160 and the non-display area 120. A first transition plate portion 170 is provided at an edge of the outer flat plate portion 160, the first transition plate portion 170 being a rectangular ring including two long sides and two wide sides; and the vertex angle department of rectangle ring is the fillet, is favorable to improving the aesthetic property. The junction of the first transition plate portion 170 and the outer plate portion 160 is a smooth junction.

Fig. 8 is a schematic structural diagram of the inner side of a sheet metal inner shell of a face shell assembly provided by an embodiment of the present invention, and fig. 9 is an enlarged schematic diagram of P in fig. 8; fig. 10 is a schematic structural view of the outer side of a sheet metal inner shell of a panel shell assembly according to an embodiment of the present invention, and fig. 11 is a sectional view taken along line B-B in fig. 10.

Referring to fig. 8 to 10, the sheet metal inner shell 300 of the embodiment of the present invention includes an inner flat plate portion 320, an annular flat plate portion 330, and a second transition plate portion 340 connecting the inner flat plate portion 320 and the annular flat plate portion 330, where the inner flat plate portion 320 and the annular flat plate portion 330 are both parallel to the outer flat plate portion 160; the escape opening 310 is provided in the inner flat plate portion 320.

Wherein, the inner flat plate portion 320 is a rounded rectangle, the annular flat plate portion 330 is a rectangular ring, and the top corner of the rectangular ring is a rounded corner; the second transition plate portion 340 is a rectangular ring protruding outward, the second transition plate portion 340 may be an arc-shaped plate protruding outward, and the second transition plate portion 340 may further include a ramp portion and an arc-shaped plate portion. The inner flat plate portion 320 and the annular flat plate portion 330 are parallel to each other, and a second transition plate portion 340 is disposed between the inner flat plate portion 320 and the annular flat plate portion 330, as shown in fig. 10, so that the outer edge of the sheet metal inner shell 300 forms a step structure.

In addition, still be provided with the turn-ups 350 towards the inside extension of water heater in the outside of annular flat plate portion 330, turn-ups 350 both can provide installation space for the installation of face-piece subassembly and water heater main part, can also avoid the edge deformation of panel beating inner shell 300, improves the structural strength of panel beating inner shell 300.

Also, referring to fig. 8 and 9, two connection seats 360 are respectively provided on the upper and lower wide sides of the annular flat plate portion 330 for connecting with the water heater main body, and the connection seats 360 may be L-shaped structures. Of course, the number and shape of the connection seats 360 are not limited to the illustration, and those skilled in the art can set the connection seats according to actual situations.

The inner flat plate part 320 is clamped with the outer flat plate part 160; annular flat plate portion 330 and first transition board portion 170 joint, so panel beating inner shell 300 and plastic casing 100 carry out the joint through the joint structure of two not co-altitude positions, are favorable to improving the stability and the reliability that panel beating inner shell 300 and plastic casing 100 are connected. And the outer side surface of the annular flat plate part 330 is abutted against the end surface of the first transition plate part 170, so that the influence of a gap between the sheet metal inner shell 300 and the plastic outer shell 100 on the appearance is avoided.

Referring to fig. 5, in the embodiment of the present invention, a plurality of first support rings 161 are disposed on an inner side surface of the non-display area 120 of the outer flat plate portion 160, and the plurality of first support rings 161 are arranged in a matrix on the inner side surface of the outer flat plate portion 160.

Exemplarily, referring to fig. 5, since the display area 110 has a shape of a "convex" shape, four columns of first support rings 161 are arranged above the display area 110 at intervals along the horizontal direction X, and four rows of first support rings 161 are arranged at intervals along the vertical direction Y, such that sixteen first support rings 161 are arranged above the display area 110. On the left and right sides of the protruding portion of the display region 110 shaped like a Chinese character 'tu', four first support rings 161 are provided at intervals in the vertical direction Y, respectively. Of course, the number and arrangement of the first support rings 161 are not limited to the illustrated direction.

The first support ring 161 may be a circular ring, an elliptical ring, a rectangular ring, or the like. An end surface of the first support ring 161 of the present embodiment is a flat surface, that is, an end surface of the first support ring 161 away from the outer flat plate portion 160 is a flat surface. With reference to fig. 4, the end surface of the first support ring 161 is used for abutting against the inner flat plate portion 320 of the sheet metal inner shell 300 to support the sheet metal inner shell 300, thereby preventing the sheet metal inner shell 300 from deforming and affecting the plastic outer shell 100. Also, the first support ring 161 can also serve to reinforce the structural strength of the plastic housing 100.

With continued reference to fig. 5, the inner side surface of the first transition plate portion 170 is provided with a plurality of second support rings 171, and the plurality of second support rings 171 are arranged at intervals along the circumferential direction of the outer flat plate portion 160. Specifically, a plurality of second support rings 171 are provided at intervals in the longitudinal direction of the long side of the first transition plate portion 170 (i.e., the Y direction in the drawing) and in the longitudinal direction of the wide side of the first transition plate portion 170 (i.e., the X direction in the drawing), respectively.

Illustratively, ten second support rings 171 are provided at intervals in the Y direction on the left long side edge of the first transition plate portion 170, and twelve second support rings 171 are provided at intervals in the Y direction on the right long side edge of the first transition plate portion 170; four second support rings 171 are provided at intervals in the X direction on the wide side of the first transition plate portion 170. Of course, the number and arrangement of the second support rings 171 is not shown as limiting.

The second support ring 171 may be a circular ring, an elliptical ring, a rectangular ring, etc., and in this embodiment, the second support ring 171 and the first support ring 161 are both circular rings, which facilitates processing. The end surface of the second support ring 171 of the present embodiment is an inclined surface, that is, the end surface of the second support ring 171 remote from the first transition plate portion 170 is an inclined surface. Referring to fig. 4, the end surface of the second support ring 171 is used for abutting against the second transition plate 340 of the sheet metal inner shell 300 to support the sheet metal inner shell 300, so as to prevent the sheet metal inner shell 300 from deforming and affecting the plastic outer shell 100. Also, the second support ring 171 can also serve to reinforce the structural strength of the plastic housing 100.

With continued reference to fig. 5, ribs are provided on the inner side of the outer plate portion 160 to improve the structural strength of the plastic housing 100. Specifically, a plurality of horizontal ribs 181 and a plurality of vertical ribs 182 are disposed on an inner side surface of the non-display area 120 of the outer flat plate portion 160, the horizontal ribs 181 extend along the horizontal direction X, and the horizontal ribs 181 are disposed at intervals along the vertical direction Y; the vertical ribs 182 extend along the vertical direction Y, and the plurality of vertical ribs 182 are arranged at intervals along the horizontal direction. The number of the horizontal ribs 181 and the vertical ribs 182 is not limited in the embodiment of the present invention.

The first support ring 161 is arranged at the crossing position of the vertical ribs 182 and the horizontal ribs 181, which is beneficial to improving the reliability of the support of the first support ring 161. And the height of the first supporting ring 161 is greater than the height of the vertical ribs 182 and the height of the horizontal ribs 181, so that the situation that the protrusion of the vertical ribs 182 and the horizontal ribs 181 affects the clamping installation of the plastic outer shell 100 and the metal plate inner shell 300 due to the first supporting ring 161 is avoided.

In the present embodiment, the vertical ribs 182 extend to the broad side of the first transition plate portion 170, and the second support ring 171 on the broad side of the first transition plate portion 170 intersects the vertical ribs 182; the horizontal ribs 181 extend to the long sides of the first transition plate portion 170, and the second support ring 171 on the long sides of the first transition plate portion 170 intersects with the horizontal ribs 181, which is beneficial to improving the structural strength of the first transition plate portion 170 and the reliability of the support of the second support ring 171.

In addition, be provided with a plurality of radial ribs 183 at the fillet department of first transition board portion 170, radial rib 183 is along the radial extension of the fillet department of first transition board portion 170, and a plurality of radial ribs 183 are along the fillet department arc interval setting of first transition board portion 170, further improve the structural strength of first transition board 170.

The following describes in detail the clamping structure of the plastic outer shell 100 and the sheet metal inner shell 300 according to the embodiment of the present invention. Fig. 7 is an enlarged schematic view of N in fig. 5.

With reference to fig. 5 and fig. 7, the non-display area 120 of the outer flat plate portion 160 is provided with a plurality of first latches 190, wherein at least one first latch 190 is disposed on the wide side of the outer flat plate portion 160, and at least one first latch 190 is disposed on the long side of the outer flat plate portion 160. Illustratively, three first latches 190 are arranged at intervals along the X direction on the wide side of the outer flat plate portion 160, four first latches 190 are arranged at intervals along the Y direction on the long side of the outer flat plate portion 160, and the four first latches 190 are located above the display region 110. Of course, the number and arrangement of the first fasteners 190 are not limited thereto.

Correspondingly, referring to fig. 8 and 9, a plurality of clamping pieces 321 clamped with the first buckle 190 are arranged on the inner flat plate portion 320 of the sheet metal inner shell 300, and a first bayonet 322 is arranged on the clamping pieces 321. The number and the position of the snap tabs 321 correspond to those of the first snaps 190. In this embodiment, the clamping piece 321 and the sheet metal inner shell 300 are integrally formed as a single piece. Specifically, two horizontal openings are formed in the inner flat plate portion 320 at intervals, a vertical opening is communicated with the inner end of each horizontal opening, and a portion between each two horizontal openings and one vertical opening is bent outwards to form the clamping piece 321. The clamping sheet 321 is provided with a first clamping opening 322, and the clamping connection of the sheet metal inner shell 300 and the plastic outer shell 100 is realized through the clamping connection of the first clamping opening 190 and the first clamping opening 322.

In some examples, referring to fig. 7, the first buckle 190 includes a first connecting arm 191 and a first bayonet catch 192, the first connecting arm 191 is connected to the outer flat plate portion 160 and the first bayonet catch 192, respectively, and the first bayonet catch 192 is located outside the first connecting arm 191, and the first bayonet catch 192 is snapped into the first bayonet slot 322. The first engaging portion 192 is perpendicular to the first connecting arm 191, so that the first engaging portion 190 has an L-shaped structure. Moreover, the first snap joints 192 are located outside the first connecting arms 191, so that the first snap joints 192 on the two opposite long sides of the rectangular outer flat plate portion 160 are arranged in a back-to-back manner, and the first snap joints 192 on the two opposite wide sides of the outer flat plate portion 160 are arranged in a back-to-back manner, which is beneficial to improving the stability of the snap connection between the sheet metal inner shell 300 and the plastic outer shell 100.

In addition, the first buckle 190 further comprises a reinforcing rib, and the reinforcing rib is connected with the inner side of the first connecting arm 191 and the inner side of the outer flat plate portion 160, so that the structural strength of the first buckle 190 can be improved. Alternatively, a plurality of reinforcing ribs may be provided, and the plurality of reinforcing ribs are provided at intervals along the length direction of the first connecting arm 191.

In an embodiment of the present invention, the first transition plate portion 170 is provided with a plurality of second snaps 200, wherein at least one second snap 200 is provided on the long side of the first transition plate portion 170, wherein at least one second snap 200 is provided on the wide side of the first transition plate portion 170. Illustratively, seven second buckles 200 are arranged at intervals along the Y direction on the long side edge of the first transition plate portion 170, three second buckles 200 are arranged at intervals along the X direction on the wide side edge of the first transition plate portion 170, and one second buckle 200 is arranged at each of four corners of the first transition plate portion 170. Of course, the number and arrangement of the second snaps 200 are not limited thereto.

Correspondingly, with reference to fig. 8 and 10, a second bayonet 331 for being clamped with the second buckle 200 is disposed on the annular flat plate portion 330 of the sheet metal inner shell 300, so that the annular flat plate portion 330 and the first transition plate portion 170 are clamped together. The number and the positions of the second bayonets 331 correspond to those of the second snaps 200.

Through setting up a plurality of second buckles 200 along the circumference of first transition board portion 170 for there are a plurality of joint positions in first transition board portion 170 and annular flat plate portion 330, improve the reliability of first transition board portion 170 and annular flat plate portion 330 joint.

In some implementations, the second buckle 200 includes a second connecting arm 201 and a second bayonet joint 202, the second connecting arm 201 is connected to the first transition plate portion 170 and the second bayonet joint 202, and the second bayonet joint 202 is located inside the second connecting arm 201, and the second bayonet joint 202 is clipped into the second bayonet 331. The second clip head 202 is perpendicular to the second connecting arm 201, so that the second clip 200 has an L-shaped structure. Moreover, the second card connector 202 is located at the inner side of the second connecting arm 201, so that the second card connectors 202 on the two opposite long sides of the rectangular outer flat plate portion 160 are arranged in a back-to-back manner, and the second card connectors 202 on the two opposite wide sides of the outer flat plate portion 160 are arranged in a back-to-back manner, which is beneficial to improving the stability of the clamping connection between the sheet metal inner shell 300 and the plastic outer shell 100.

In addition, referring to fig. 7, the second clip head 202 of the second clip 200 is outward, the first clip head 192 of the first clip 190 is inward, and the second clip 200 and the first clip 190 are respectively clipped with the sheet metal inner shell 300 from the inner side and the outer side, so as to further improve the stability of clipping connection between the sheet metal inner shell 300 and the plastic outer shell 100.

Continuing to refer to fig. 7, two sides of the second clip 200 are respectively provided with a limiting wall 210, and the limiting walls 210 are used for abutting against the side wall of the second clip port 221, so as to improve the stability and convenience of the connection between the second clip port 331 and the second clip 200, and prevent the second clip 200 from shaking in the second clip port 331.

It should be further noted that, in the embodiment of the present invention, the second fastener 200 and the first fastener 190 are disposed at different positions in front and back of the plastic outer shell 100, so that the plastic outer shell 100 and the sheet metal inner shell 300 are fastened at different positions in front and back, and the fastening stability of the sheet metal inner shell 300 and the plastic outer shell 100 is further improved.

In summary, in the gas water heater provided by the embodiment of the present invention, the face shell assembly includes the plastic outer shell 100 and the metal plate inner shell 300 fixed inside the plastic outer shell 100, the metal plate inner shell 300 can ensure the structural strength of the face shell assembly, the plastic outer shell 100 is convenient to shape, and the aesthetic property of the appearance of the face shell assembly is improved; moreover, the plastic outer shell 100 is provided with the transparent display area 110, the inner side of the plastic outer shell 100 is provided with the fixing structure, the metal plate inner shell 300 is provided with the avoiding opening 310, the display panel of the gas water heater is hidden inside the transparent display area 110, the display panel is fixedly connected with the fixing structure, the attractiveness of the appearance of the face shell assembly is improved, the plastic outer shell 100 is of an integral structure and does not have a mounting gap of the display panel, and impurities such as dust can be prevented from entering the interior of the gas water heater. In the installation process of the display panel, the protrusion or the depression of the display panel relative to the plastic shell 100 does not need to be considered, and the installation process is simple and reliable and has high efficiency.

So far, the technical solutions of the present invention 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 the present invention 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 utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims (10)

1. A face housing assembly, comprising: a plastic outer shell and a metal plate inner shell;

the plastic shell comprises a transparent display area, and a fixing structure for fixing the display panel is arranged on the inner side of the plastic shell;

the panel beating inner shell is fixed the inboard of plastics shell, just the panel beating inner shell be provided with the opening is dodged to the display area is relative, in order to dodge display panel.

2. The face mask assembly according to claim 1, wherein the fixing structure comprises a limiting ring and a plurality of limiting blocks, the limiting ring is disposed inside the plastic shell, and the display area is located in the limiting ring;

follow the circumference interval of spacing ring is provided with a plurality ofly the stopper, the stopper be provided with the joint interface of display panel joint.

3. The face housing assembly according to claim 2, wherein the fixing structure further comprises a connection post disposed outside the limiting ring, the connection post being provided with a threaded hole connected with the display panel.

4. The panel housing assembly according to any one of claims 1-3, wherein the plastic shell comprises an outer flat plate portion and a first transition plate portion located at a periphery of the outer flat plate portion, the first transition plate portion being an outwardly convex arc-shaped plate; the outer flat plate portion is provided with the display area and a non-display area;

the sheet metal inner shell comprises an inner flat plate part, an annular flat plate part and a second transition plate part which connects the inner flat plate part and the annular flat plate part, and the inner flat plate part and the annular flat plate part are parallel to the outer flat plate part; the avoidance opening is arranged on the inner flat plate part;

the inner flat plate part is clamped with the outer flat plate part; annular flat plate portion with first transition board portion joint, just the lateral surface of annular flat plate portion with the terminal surface butt of first transition board portion.

5. The face housing assembly according to claim 4, wherein the inner side surface of the non-display area is provided with a plurality of first support rings arranged in a matrix, and end surfaces of the first support rings are flat; the first support ring is abutted against the inner flat plate part;

a plurality of second support rings are arranged on the inner side surface of the first transition plate part and are arranged at intervals along the circumferential direction of the outer flat plate part; the end face of the second support ring is an inclined face, and the second support ring is abutted to the second transition plate portion.

6. The face shell assembly according to claim 5, wherein the inner side surface of the non-display area is provided with a plurality of horizontal ribs and a plurality of vertical ribs, the plurality of horizontal ribs are arranged at intervals in the vertical direction, and the plurality of vertical ribs are arranged at intervals in the horizontal direction;

first support ring sets up vertical rib with horizontal rib crossing position, just first support ring highly all is greater than vertical rib with the height of horizontal rib.

7. The panel assembly of claim 4, wherein the outer flat plate portion and the inner flat plate portion are each rectangular;

a plurality of first buckles are arranged on the non-display area of the outer flat plate part, wherein at least one first buckle is arranged on the wide side of the outer flat plate part, and at least one first buckle is arranged on the long side of the outer flat plate part;

be provided with a plurality of on the interior flat board portion with the joint piece of first buckle joint, be provided with first bayonet socket on the joint piece.

8. The face shell assembly of claim 7, wherein said first transition plate portion is provided with a plurality of second snaps, wherein at least one of said second snaps is disposed on a long side of said first transition plate portion, wherein at least one of said second snaps is disposed on a wide side of said first transition plate portion;

and a second bayonet which is clamped with the second buckle is arranged on the annular flat plate part.

9. The face housing assembly of claim 8, wherein the first latch comprises a first connecting arm and a first latch head, the first connecting arm is connected to the outer plate portion and the first latch head, and the first latch head is located outside the first connecting arm and is latched into the first latch opening;

the second buckle includes second linking arm and second joint, the second linking arm respectively with first transition board portion with the second joint connects, just the second joint is located the inboard of second linking arm, the second joint card is gone into in the second bayonet socket.

10. A gas water heater, comprising: a display panel mounted inside a plastic housing of the face housing assembly and the face housing assembly of any of claims 1-9, the display panel opposing a display area of the plastic housing.

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