CN210399529U

CN210399529U - Water heater bottom shell and water heater

Info

Publication number: CN210399529U
Application number: CN201921006678.5U
Authority: CN
Inventors: 陈思强; 余国强; 林玉绵; 胡勇; 刘小平; 丁泺火; 王映涵
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-24
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a water heater drain pan and water heater, wherein, the water heater drain pan includes the drain pan body, is provided with the ventilation grid on the drain pan body, still is provided with the grid strengthening rib on the drain pan body, and the ventilation grid includes a plurality of sub-ventilation grids, and the grid strengthening rib is located between two at least sub-ventilation grids. The technical scheme of the utility model the water heater drain pan among the prior art can be solved effectively and ventilation grid department appears warping easily when falling, also appears fold and distortion's problem easily when producing.

Description

Water heater bottom shell and water heater

Technical Field

The utility model relates to a water heater technical field particularly, relates to a water heater drain pan and water heater.

Background

In the prior art, the bottom shell of the gas water heater is generally larger in size. The four sides of the bottom shell are provided with high bending edges, the height of the bending edges of the four sides of the face cover is lower, the short bending edges of the bottom shell are only higher in height on two sides, and the height of the two sides of the long bending edges of the face cover is higher in another structure. No matter which kind of structural style above-mentioned, the height of the limit of bending of drain pan and face lid is all higher. However, the bottom shell of the existing gas water heater is provided with the ventilation grating, and if the water heater falls, the ventilation grating is easy to deform. In addition, at the fashioned in-process of mould, fold and distortion's phenomenon appear easily in the drain pan, and this can't guarantee the plane degree when just making face lid and drain pan assembly, both limit cooperation of bending form the fit clearance easily, if the material of face lid and drain pan is inconsistent, the product outward appearance will not form integrative effect, influences wholly pleasing to the eye.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an in provide a water heater drain pan and water heater to solve the water heater drain pan among the prior art ventilation grid department when falling and appear warping easily, also appear fold and distortion's problem easily when producing.

In order to achieve the above object, the utility model provides a water heater drain pan, including the drain pan body, be provided with the ventilation grid on the drain pan body, still be provided with the grid strengthening rib on the drain pan body, the ventilation grid includes a plurality of sub-ventilation grids, and the grid strengthening rib is located between two at least sub-ventilation grids.

Further, the grid reinforcing ribs protrude toward the outside of the bottom case body.

Further, the grille reinforcing ribs protrude out of the ventilation grille towards the direction departing from the bottom shell body.

Furthermore, the size of the part of the grid reinforcing rib protruding out of the ventilation grid along the direction vertical to the bottom shell body is larger than or equal to 2 mm.

Furthermore, the bottom shell body is provided with a bending edge, and a bending edge reinforcing rib is arranged on the bending edge.

Furthermore, the edge that the limit strengthening rib of bending is close to the limit of bending sets up.

Further, the bending edge reinforcing ribs protrude towards the inner side of the bending edge.

Furthermore, the size of the bent edge reinforcing rib along the direction perpendicular to the bent edge is less than or equal to 5 mm.

Further, be provided with installation cavity and installation cavity strengthening rib on the drain pan body, the opening of installation cavity is towards the inboard of drain pan body, and the installation cavity strengthening rib is close to the installation cavity setting.

According to another aspect of the present invention, there is provided a water heater, comprising a water heater bottom case, wherein the water heater bottom case is the above-mentioned water heater bottom case.

Use the technical scheme of the utility model, the ventilation grid includes a plurality of sub-ventilation grids, sets up the grid strengthening rib between two at least sub-ventilation grids. If the bottom shell of the water heater falls, the grid reinforcing ribs can simultaneously play a role in reinforcing the sub-ventilation grids around the grid reinforcing ribs, so that the ventilation grids are more effectively prevented from deforming when falling. Simultaneously, above-mentioned grid strengthening rib can also prevent to a certain extent that fold and distortion from appearing in the drain pan in process of production to guarantee the production quality and the whole pleasing to the eye degree of drain pan. In addition, above-mentioned grid strengthening rib is located between at least two sub-ventilation grids, can be when guaranteeing to strengthen the effect like this, the quantity of minimize grid strengthening rib is convenient for overall arrangement more.

Drawings

Fig. 1 is a schematic structural diagram of a bottom shell of a water heater according to an embodiment of the present invention;

FIG. 2 is an exploded view of the bottom shell of the water heater of FIG. 1;

FIG. 3 is a front view schematic of the bottom shell of the water heater of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the bottom shell of the water heater of FIG. 1; and

FIG. 5 is a cross-sectional view of another angle of the water heater bottom shell of FIG. 1.

Description of reference numerals:

10. a bottom shell body; 11. bending edges; 20. a ventilation grille; 21. a sub-ventilation grille; 30. Grid reinforcing ribs; 40. bending edge reinforcing ribs; 51. a fan mounting cavity; 52. a heat exchanger mounting cavity; 60. installing a cavity reinforcing rib; 70. an upper plate; 80. a lower plate; 90. the board is hung.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.

As shown in fig. 1 to 3, the bottom shell of the water heater of the present embodiment includes a bottom shell body 10. The bottom case body 10 is provided with a ventilation grill 20. The bottom case body 10 is further provided with a grid reinforcing rib 30. The ventilation grille 20 includes a plurality of sub-ventilation grills 21. The grill reinforcing ribs 30 are located between at least two sub-ventilation grills 21.

With the bottom shell of the water heater of the present embodiment, the ventilation grille 20 includes a plurality of sub-ventilation grills 21, and a grille reinforcement rib 30 is disposed between at least two sub-ventilation grills 21. If the bottom shell of the water heater falls, the grid reinforcing ribs 30 can simultaneously reinforce the sub-ventilation grids 21 around the grid reinforcing ribs, so that the ventilation grids 20 are more effectively prevented from being deformed when the bottom shell of the water heater falls. Meanwhile, the grid reinforcing ribs 30 can also prevent the bottom case from wrinkling and distorting in the production process to a certain extent, so that the production quality and the overall attractiveness of the bottom case are ensured. In addition, the grid reinforcing ribs 30 are positioned between at least two sub-ventilation grids 21, so that the number of the grid reinforcing ribs 30 can be reduced as much as possible while the reinforcing effect is ensured, and the integral arrangement is more convenient.

As shown in fig. 1 to 3, in the bottom shell of the water heater of the present embodiment, the bottom shell body 10 is a main structure, and includes a back plate and two bending edges 11 formed at two sides of the back plate. The back plate of the bottom shell body 10 is provided with a mounting cavity. Specifically, the opening of the mounting cavity faces the inside of the bottom case body 10, and the cavity bottom of the mounting cavity protrudes toward the outside of the bottom case body 10. The back plate and the two bent edges 11 together form the bottom case body 10 into a structure with a cavity, where "the inner side of the bottom case body 10" refers to one side of the bottom case body 10 corresponding to the cavity, and "the outer side of the bottom case body 10" refers to the other side of the bottom case body 10 opposite to the cavity. The water heater base shell also includes an upper plate 70, a lower plate 80, and a hanger plate 90. The upper plate 70 and the lower plate 80 are respectively installed at the upper and lower ends of the cavity of the bottom chassis body 10, and the hanging plates 90 are respectively fixed at the positions of the bottom chassis body 10 corresponding to the upper and lower ends of the cavity by screws, and finally the bottom chassis body 10, the upper plate 70, the lower plate 80 and the hanging plates 90 are welded to form an integral assembly. The installation cavity comprises a fan installation cavity 51 for installing the fan and a heat exchanger installation cavity 52 for installing the heat exchanger, wherein the fan installation cavity 51 is used for facilitating positioning when the fan is installed, and similarly, the heat exchanger installation cavity 52 is used for facilitating positioning when the heat exchanger is installed. In the present embodiment, the ventilation grille 20 includes three sub-ventilation grills 21, and each sub-ventilation grille 21 includes a plurality of louver windows. Two sub-ventilation grills 21 are arranged at the bottom of the heat exchanger installation cavity 52, the grille reinforcing ribs 30 are arranged between the two sub-ventilation grills 21, and the other sub-ventilation grille 21 is arranged at the position of the upper right corner of the back plate.

The position of the grid ribs 30 is selected according to the position at which the air grille 20 is easily deformed in a drop test. Of course, the arrangement position and number of the grill reinforcing ribs 30 are not limited thereto, and in other embodiments not shown in the drawings, the grill reinforcing ribs may be arranged at other positions capable of reinforcing the strength of the ventilation grill. For example, the ventilation grille includes three or more sub-ventilation grilles, which are disposed around one grille reinforcement rib; or the ventilation grating comprises three or more than three sub-ventilation gratings, and a grating reinforcing rib is arranged between every two sub-ventilation gratings.

As shown in fig. 2, 3 and 5, in the bottom case for a water heater of the present embodiment, the grill reinforcing rib 30 protrudes toward the outside of the bottom case body 10. In the present embodiment, the grill ribs 30 are stamped and formed on the bottom case body 10. The grille reinforcement ribs 30 protrude from the ventilation grille 20 in a direction away from the bottom case body 10, that is, the height of the grille reinforcement ribs 30 is higher than the height of the louver windows of the ventilation grille 20. Specifically, the dimension of the portion of the grille reinforcement ribs 30 protruding from the ventilation grille 20 in the direction perpendicular to the bottom case body 10 (i.e., the height difference between the grille reinforcement ribs 30 and the louver windows of the ventilation grille 20) is 2mm or more. The above-described structure is sized to better prevent deformation of the ventilation grille 20 when dropped. According to the results of the drop test, it is preferable that the dimension of the grill ribs 30 in the direction perpendicular to the bottom case body 10 (i.e., the height of the grill ribs 30) be 8mm, and the dimension of the portion of the grill ribs 30 protruding from the ventilation grill 20 in the direction perpendicular to the bottom case body 10 (i.e., the height difference between the grill ribs 30 and the louver of the ventilation grill 20) be 2.2 mm.

It should be noted that, in the present embodiment, the grid reinforcing ribs 30 have a ring shape like a rectangle with a chamfer. Of course, the shape of the grid ribs 30 is not limited thereto, and in other embodiments not shown in the drawings, the shape of the grid ribs may be circular, elongated, or the like. In addition, the molding manner and the protruding direction of the grid ribs 30 are not limited thereto, and in other embodiments not shown in the drawings, the grid ribs may be directly provided on the bottom case body or may protrude toward the inside of the bottom case body.

As shown in fig. 1, 2 and 4, in the bottom shell of the water heater of the present embodiment, the bottom shell body 10 has a bent edge 11. The bending edge 11 is provided with a bending edge reinforcing rib 40, so that the bottom shell can be prevented from being folded and distorted in the die forming process. In this embodiment, three bending edge reinforcing ribs 40 are respectively disposed on the two bending edges 11, the three bending edge reinforcing ribs 40 are disposed at intervals along the length direction of the bending edges 11, and each bending edge reinforcing rib 40 is in a long strip shape extending along the width direction of the bending edge 11. The edge strengthening rib 40 of bending all is close to the edge setting of the limit 11 of bending, prevents like this that fold and distortion's effect is better in the drain pan appearance in mould forming process. Of course, the number and shape of the bending edge beads 40 are not limited to this, and in another embodiment not shown in the drawings, the shape of the bending edge beads may be circular, rectangular, or the like, and the number may be selected as needed.

As shown in fig. 4, in the bottom shell of the water heater of the present embodiment, the bent edge stiffener 40 protrudes toward the inner side of the bent edge 11, so that the appearance of the bottom shell is not affected, and the whole bottom shell is more beautiful. In the present embodiment, the bending edge bead 40 is formed by stamping on the bending edge 11. The dimension of the bent edge reinforcing ribs 40 in the direction perpendicular to the bent edges 11 (i.e. the height of the bent edge reinforcing ribs 40) is less than or equal to 5 mm. The height of the bent edge bead 40 cannot be set too high, otherwise the bottom case is more likely to wrinkle. According to the results of the test, it is preferable that the dimension of the bending edge bead 40 in the direction perpendicular to the bending edge 11 (i.e., the height of the bending edge bead 40) is 3 mm.

The molding method and the projecting direction of the bent side beads 40 are not limited to these, and in another embodiment not shown in the drawings, the bent side beads may be provided directly on the bent sides or may be projected outward of the bent sides.

As shown in fig. 1 to 3, in the bottom shell of the water heater in the embodiment, a mounting cavity stiffener 60 is disposed on the bottom shell body 10, and the mounting cavity stiffener 60 is disposed close to the mounting cavity. Specifically, in this embodiment, the number of the mounting cavity reinforcing ribs 60 is two, the two mounting cavity reinforcing ribs are respectively disposed on two sides of the fan mounting cavity 51, the mounting cavity reinforcing rib 60 located on the left side of the fan mounting cavity 51 is a closed circle, the mounting cavity reinforcing rib 60 located on the right side of the fan mounting cavity 51 is an arc-shaped belt, and two ends of the mounting cavity reinforcing rib 60 are connected to the cavity wall of the fan mounting cavity 51. The mounting cavity reinforcing rib 60 protrudes toward the outside of the bottom case body 10 and is press-molded on the bottom case body 10. The installation position of the mounting cavity reinforcing rib 60 is selected according to a position at which the mounting cavity reinforcing rib is easily deformed in a drop test. Of course, the installation position and the number of the mounting cavity reinforcing ribs 60 are not limited to this, and in other embodiments not shown in the drawings, the mounting cavity reinforcing ribs may be installed at other positions capable of reinforcing the strength, and the number of the mounting cavity reinforcing ribs may be selected as needed.

The application also provides a water heater, and the embodiment of the water heater according to the application includes the water heater drain pan, and the water heater drain pan is foretell water heater drain pan.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and decorations can be made without departing from the basic principle of the present invention, and these modifications and decorations are also considered to be within the scope of the present invention.

Claims

1. The bottom shell of the water heater comprises a bottom shell body (10), wherein a ventilation grid (20) is arranged on the bottom shell body (10), the bottom shell is characterized in that grid reinforcing ribs (30) are further arranged on the bottom shell body (10), the ventilation grid (20) comprises a plurality of sub-ventilation grids (21), and the grid reinforcing ribs (30) are located between at least two sub-ventilation grids (21).

2. The water heater bottom shell according to claim 1, characterized in that said grid stiffeners (30) project towards the outside of the bottom shell body (10).

3. The water heater bottom shell according to claim 2, characterized in that the grid stiffeners (30) protrude from the ventilation grid (20) in a direction away from the bottom shell body (10).

4. The water heater bottom shell according to claim 3, wherein the dimension of the portion of the grid reinforcing ribs (30) protruding from the ventilation grid (20) in the direction perpendicular to the bottom shell body (10) is greater than or equal to 2 mm.

5. The bottom shell for water heaters as claimed in any one of claims 1 to 4, wherein the bottom shell body (10) is provided with a bent edge (11), and a bent edge reinforcing rib (40) is arranged on the bent edge (11).

6. The bottom shell of a water heater as recited in claim 5, wherein the bent edge bead (40) is disposed near an edge of the bent edge (11).

7. The water heater bottom shell according to claim 5, wherein the bent edge bead (40) protrudes towards the inside of the bent edge (11).

8. The bottom shell of a water heater as recited in claim 5, wherein the size of the bent edge reinforcing rib (40) along the direction perpendicular to the bent edge (11) is less than or equal to 5 mm.

9. The water heater bottom shell as claimed in any one of claims 1 to 4, wherein a mounting cavity and a mounting cavity reinforcing rib (60) are arranged on the bottom shell body (10), the opening of the mounting cavity faces to the inner side of the bottom shell body (10), and the mounting cavity reinforcing rib (60) is arranged close to the mounting cavity.

10. A water heater comprising a water heater bottom shell, characterized in that the water heater bottom shell is as claimed in any one of claims 1 to 9.