CN215490367U - Shell for gas water heater - Google Patents

Abstract

The utility model relates to the technical field of gas water heaters, in particular to a shell for a gas water heater, which comprises a face shell and a bottom shell connected with the face shell, wherein an installation cavity is formed between the face shell and the bottom shell, the bottom shell comprises a main body, and a first end plate and a second end plate which are connected with two ends of the main body, the first end plate is integrally formed with a first hanging frame, the periphery of the first end plate stretches towards the installation cavity to form a first connection step, the periphery of the second end plate stretches towards the installation cavity to form a second connection step, two ends of the face shell are respectively provided with a first folding edge connected with the first connection step and a second folding edge connected with the second connection step, and two ends of the main body are respectively provided with a third folding edge connected with the first connection step and a fourth folding edge connected with the second connection step. The shell for the gas water heater can reduce the number of parts of the face shell and the bottom shell, reduce the cost, reduce the welding or riveting procedures for processing the face shell and the bottom shell and improve the aesthetic feeling of the appearance.

Description

Shell for gas water heater

Technical Field

The utility model relates to the technical field of gas water heaters, in particular to a shell for a gas water heater.

Background

At present, domestic gas heater casing is usually by the face-piece main part, the face-piece upper end plate, three parts of face-piece lower end plate link into an organic whole through welding or riveting, the drain pan is usually by the drain pan main part, drain pan upper end plate, drain pan lower end plate, go up the stores pylon, five parts welding or riveting link into an organic whole of lower stores pylon, in the actual production process, because of the part is more, welding or riveting process are more, each part has fit tolerance, face-piece or drain pan are after welding or riveting, the parallel and level is usually not enough on four limits of its assembly face, there is the upper end when assembly face-piece and drain pan, the lower extreme, the left end, the uneven gap of right-hand member size, influence product appearance, and face-piece, the drain pan all need welding or riveting, production efficiency is lower.

Chinese patent CN211977271U discloses a gas water heater shell structure, which comprises a surrounding plate and a bottom plate connected with an opening on the bottom surface of the surrounding plate, wherein four sides of the opening on the bottom surface of the surrounding plate are respectively provided with an inward-arranged folded edge, the bottom plate and the folded edges are connected and welded with the bottom plate and are fixed on the bottom surface of the surrounding plate, the upper side and the lower side of the bottom surface end of the surrounding plate are respectively provided with a hanging frame integrally formed with the surrounding plate, and the bending part of the hanging frame is provided with a triangular reinforcing rib; in addition, the hanging rack is directly bent out of the coaming. In the scheme, although the coaming and the hanging rack are integrally formed, the stress uniformity between the hanging rack and the coaming is improved, and the falling risk is avoided; however, the hanging frame is arranged at the hem, so that stress concentration at the hem is caused, the hem is easily broken, and the connection stability between the coaming and the bottom plate is influenced; the coaming surrounds the bottom plate, the length of the coaming part after being unfolded exceeds 1.3 m, the integrally formed hanging rack only partially protrudes, the length is about 0.15 m, and materials in other places need to be cut off, so that material waste is caused, and the material cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of stress concentration at the edge folding position, material waste and cost increase in the prior art, and provides a shell for a gas water heater and the gas water heater, which can avoid edge folding stress concentration, reduce parts of a face shell and a bottom shell, reduce material cost, effectively reduce welding or riveting procedures for processing the face shell and the bottom shell, have good product consistency and have high production efficiency.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the utility model provides a shell for gas heater, includes the face-piece, is connected the drain pan that sets up with the face-piece, be formed with the installation cavity between face-piece and the drain pan, the drain pan includes the main part and connects in first end plate and the second end plate at main part both ends, first end plate integrated into one piece even has first stores pylon, the periphery of first end plate is formed with first connection step to the installation cavity internal stretching, second end plate integrated into one piece even has the second stores pylon, the periphery of second end plate is formed with the second to the installation cavity internal stretching and connects the step, the both ends of face-piece are equipped with respectively and are connected the first hem that the step is connected with first connection and are connected the second hem that the step is connected with the second, the main part both ends are equipped with respectively and are connected the fourth hem that the step is connected with the third hem that the step is connected with first connection step and with the second.

The shell for the gas water heater comprises a face shell and a bottom shell which are connected, wherein the bottom shell comprises a main body, and a first end plate and a second end plate which are connected to two ends of the main body; when the connecting structure is used, the first end plate and the second end plate are respectively connected to two ends of the main body, the first folded edge and the second folded edge at two ends of the face shell are respectively connected with the first connecting step on the first end plate and the second connecting step on the second end plate, the number of parts of the face shell can be reduced, and further the welding or riveting process for processing the face shell can be reduced.

Furthermore, the first connecting step is attached to the inner sides of the first folding edge and the third folding edge, and the second connecting step is attached to the inner sides of the second folding edge and the fourth folding edge.

Furthermore, the third folding edge is provided with a first bottom shell space avoiding portion corresponding to the first hanging rack, and the fourth folding edge is provided with a second bottom shell space avoiding portion corresponding to the second hanging rack, so that the bottom shells are clamped with the first end plate and the second end plate respectively.

Further, the first end plate is provided with a first hanging frame space-avoiding portion corresponding to the third folding edge, and the second end plate is provided with a second hanging frame space-avoiding portion corresponding to the fourth folding edge, so that the bottom shell is clamped with the first end plate and the second end plate respectively.

Further, the thickness of the first folding edge and the thickness of the third folding edge are consistent with the height of the first connecting step; the thickness of the second connecting step is consistent with the height of the second folding edge and the height of the fourth folding edge.

Further, the first folded edge and the third folded edge cover the first connecting step together, and the second folded edge and the fourth folded edge cover the second connecting step together.

Furthermore, the first folding edge and the second folding edge are provided with a plurality of first through holes, the first connecting step and the second connecting step are provided with a plurality of second through holes matched with the first through holes, and the first through holes are connected with the second through holes through connecting pieces.

Furthermore, the two sides of the face shell are respectively bent into fifth folded edges in the installation cavity, the fifth folded edges are provided with protrusions, the two sides of the main body are respectively bent into sixth folded edges in the installation cavity, the sixth folded edges are provided with grooves matched with the protrusions, the protrusions are embedded into the grooves, and the main body can be connected with the face shell.

Furthermore, a first mounting groove for positioning the first end plate is formed between the third folded edge and the sixth folded edge, and a second mounting groove for positioning the second end plate is formed between the fourth folded edge and the sixth folded edge.

Furthermore, the edge of the first hanging rack is provided with a first reinforcing edge, and the first hanging rack is further provided with a first reinforcing block, a first reinforcing rib and a third through hole for installation.

Furthermore, the edge of the second hanging rack is provided with a second reinforcing edge, and the second hanging rack is further provided with a second reinforcing block and a fourth through hole for installation.

Compared with the prior art, the utility model has the beneficial effects that:

the shell for the gas water heater comprises a face shell and a bottom shell which are connected, wherein an installation cavity is formed between the face shell and the bottom shell, and two ends of the face shell are respectively connected with a first connecting step on a first end plate and a second connecting step on a second end plate, so that parts of the face shell can be reduced; the first hanging frame and the second hanging frame are integrally formed on the first end plate and the second end plate respectively, so that the stress concentration of the folded edge is avoided, and parts of the bottom shell can be reduced; the utility model can avoid the stress concentration of the folded edge, reduce the parts of the face shell and the bottom shell, reduce the material cost, effectively reduce the welding or riveting procedures for processing the face shell and the bottom shell, and has good product consistency and high production efficiency of products.

Drawings

Fig. 1 is an exploded view of a housing for a gas water heater according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a top view of the housing for the gas water heater in an embodiment of the present invention;

FIG. 5 is a perspective view of a first end plate in an embodiment of the present invention

FIG. 6 is a perspective view of a second end plate in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a first hanger according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a second hanger according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a housing for a gas water heater according to an embodiment of the present invention.

In the drawings: 1-a face shell; 11-a first fold; 12-second hem; 13-a first via; 14-a bump; 2-a bottom shell; 21-a first end plate; 22-a second end plate; 23-a second via; 24-a body; 241-a first mounting groove; 242-a second mounting groove; 243-first bottom shell evacuation portion; 244-second bottom shell evacuation; 25-a first connecting step; 26-a second connecting step; 27-a groove; 28-a first hanger; 281-a first reinforcing rim; 282-a first stiffener; 283-first reinforcing ribs; 284-third via; 29-a second hanger; 291-second reinforcing edge; 292-a second stiffener; 293-fourth via; 31-third folding; 32-fourth hem; 41-fifth folding; 42-sixth hem.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Fig. 1 to 7 show an embodiment of the outer shell for a gas water heater according to the present invention, which includes a face shell 1 and a bottom shell 2 connected to each other, and an installation cavity is formed between the face shell 1 and the bottom shell 2; the bottom shell 2 comprises a main body 24, and a first end plate 21 and a second end plate 22 connected to two ends of the main body 24, the first end plate 21 is integrally connected with a first hanging frame 28, the periphery of the first end plate 21 is stretched into an installation cavity to form a first connecting step 25, the second end plate 22 is integrally formed with a second hanging frame 29, the periphery of the second end plate 22 is stretched into the installation cavity to form a second connecting step 26, two ends of the face shell 1 are respectively provided with a first folding edge 11 connected with the first connecting step 25 and a second folding edge 12 connected with the second connecting step 26, and two ends of the main body 24 are respectively provided with a third folding edge 31 connected with the first connecting step 25 and a fourth folding edge 32 connected with the second connecting step 26.

In the embodiment, the first end plate 21 and the second end plate 22 are respectively connected to two ends of the main body 24, the bottom case 2 includes the main body 24 and the first end plate 21 and the second end plate 22 connected to two ends of the main body 24, the first end plate 21 is integrally formed with the first hanger 28, the second end plate 22 is integrally formed with the second hanger 29, the number of parts of the bottom case 2 can be reduced, and compared with the case where the first hanger 28 and the second hanger 29 are arranged on the third folding edge 31 and the fourth folding edge 32, the breakage of the third folding edge 31 and the fourth folding edge 32 caused by the stress concentration generated by the third folding edge 31 and the fourth folding edge 32 can be avoided; the first folding edge 11 and the second folding edge 12 at the two ends of the face shell 1 are respectively connected with the first connecting step 25 on the first end plate 21 and the second connecting step 26 on the second end plate 22, so that the number of parts of the face shell 1 can be reduced; the embodiment can reduce the parts of the face shell 1 and the bottom shell 2, reduce the material cost, and effectively reduce the welding or riveting procedures for processing the face shell 1 and the bottom shell 2.

In one embodiment, the first connecting step 25 is attached to the inner side of the first folding edge 11 and the third folding edge 31, and the second connecting step 26 is attached to the inner side of the second folding edge 12 and the fourth folding edge 32.

In one embodiment, the third flap 31 is provided with a first bottom recess 243 corresponding to the first hanger 28, as shown in fig. 1, and the fourth flap 32 is provided with a second bottom recess 244 corresponding to the second hanger 29, as shown in fig. 3, so as to facilitate the engagement of the bottom shell 2 with the first end plate 21 and the second end plate 22, respectively.

In another embodiment, the first end panel 21 is provided with a first hanger clearance corresponding to the third folding edge 31, and the second end panel 22 is provided with a second hanger clearance corresponding to the fourth folding edge 32, so that the bottom shell 2 is respectively engaged with the first end panel 21 and the second end panel 22.

In one embodiment, the thickness of the first and third flanges 11 and 31 corresponds to the height of the first connecting step 25; the thickness of the second connecting step 26 corresponds to the height of the second and fourth flanges 12, 32. The bottom of this scheme gas heater shell is comparatively level and smooth.

In one embodiment, the first and third flaps 11, 31 together cover the first attachment step 25, and the second and fourth flaps 12, 32 together cover the second attachment step 26. The bottom of the shell for the gas water heater is smooth and attractive.

In one embodiment, the first folded edge 11 and the second folded edge 12 are both provided with a plurality of first through holes 13, as shown in fig. 1, 4 and 9, the first connecting step 25 and the second connecting step 26 are both provided with a plurality of second through holes 23 matched with the plurality of first through holes 13, as shown in fig. 1, 5 and 6, the plurality of first through holes 13 and the plurality of second through holes 23 are connected through connecting pieces, the number of parts of the face shell 1 can be effectively reduced, and the welding or riveting process of the face shell 1 can be reduced.

In one embodiment, the first through hole 13 is a circular hole, the second through hole 23 is a threaded hole, the connecting member is a screw, and the screw passes through the second through hole 23 and the first through hole 13 to connect and fix the first end plate 21 and the second end plate 22 to the face shell 1, respectively.

In one embodiment, as shown in fig. 1, the two sides of the face shell 1 are respectively bent into a fifth folded edge 41 toward the installation cavity, the fifth folded edge 41 is provided with a protrusion 14, the two sides of the main body 24 are respectively bent into a sixth folded edge 42 toward the installation cavity, the sixth folded edge 42 is provided with a groove 27 matched with the protrusion 14, when in use, the protrusion 14 is embedded into the groove 27, and the main body 24 can be connected with the face shell 1. Of course, in this embodiment, the protrusions 14 may be disposed on the sixth folding edges 42 on both sides of the main body 24, and the grooves 27 may be disposed on the fifth folding edges 41 on both sides of the face housing 1, so that when in use, the protrusions 14 are inserted into the grooves 27, and the main body 24 and the face housing 1 may be aligned and connected.

In one embodiment, as shown in fig. 2, a first mounting groove 241 for positioning the first end plate 21 is formed between the third folding edge 31 and the sixth folding edge 42, and a second mounting groove 242 for positioning the second end plate 22 is formed between the fourth folding edge 32 and the sixth folding edge 42, as shown in fig. 3; when the first and second end plates 21 and 22 are coupled to the main body 24, respectively, the first and second end plates 21 and 22 are caught in the first and second fitting grooves 241 and 242, respectively, as shown in fig. 9.

In one embodiment, as shown in fig. 4, 5 and 7, the first hanger 28 has a first reinforced edge 281 at the edge thereof, and the first hanger 28 further has a first reinforced block 282, a first reinforced rib 283 and a third through hole 284 for installation, so that in use, the product can be hung on a wall by using an expansion bolt in cooperation with the third through hole 284.

In one embodiment, as shown in fig. 1, 6 and 8, the edge of the second hanger 29 is provided with a second reinforcing edge 291, and the second hanger 29 is further provided with a second reinforcing block 292 and a fourth through hole 293 for installation, so that when in use, the product can be completely fixed by using a screw to be matched with the fourth through hole 293.

In one embodiment, as shown in fig. 6 and 8, the second hangers 29 are provided in two sets.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (11)

1. A shell for a gas water heater comprises a face shell (1) and a bottom shell (2) connected with the face shell (1), wherein an installation cavity is formed between the face shell (1) and the bottom shell (2); characterized in that the bottom shell (2) comprises a main body (24), a first end plate (21) and a second end plate (22) which are connected with the two ends of the main body (24), the first end plate (21) is integrally connected with a first hanging rack (28), the periphery of the first end plate (21) stretches towards the mounting cavity to form a first connecting step (25), the second end plate (22) is integrally connected with a second hanging rack (29), the periphery of the second end plate (22) stretches towards the mounting cavity to form a second connecting step (26), a first folding edge (11) connected with the first connecting step (25) and a second folding edge (12) connected with the second connecting step (26) are respectively arranged at two ends of the face shell (1), and a third folding edge (31) connected with the first connecting step (25) and a fourth folding edge (32) connected with the second connecting step (26) are respectively arranged at two ends of the main body (24).

2. The housing for a gas water heater according to claim 1, characterized in that the first connecting step (25) is attached to the inside of the first and third flaps (11, 31) and the second connecting step (26) is attached to the inside of the second and fourth flaps (12, 32).

3. Shell for a gas water heater according to claim 2, characterized in that said third flap (31) is provided with a first bottom shell clearance (243) corresponding to the first hanger (28), and said fourth flap (32) is provided with a second bottom shell clearance (244) corresponding to the second hanger (29).

4. The housing for a gas water heater according to claim 2, characterized in that said first end plate (21) is provided with a first hanger clearance corresponding to said third fold (31) and said second end plate (22) is provided with a second hanger clearance corresponding to said fourth fold (32).

5. The gas water heater housing according to claim 2, wherein the thickness of the first and third flaps (11, 31) corresponds to the height of the first connecting step (25); the thickness of the second connecting step (26) is consistent with the height of the second folding edge (12) and the fourth folding edge (32).

6. Housing for a gas water heater according to claim 5, characterized in that the first and third flaps (11, 31) together cover the first and second connecting steps (25, 26), and the second and fourth flaps (12, 32) together cover the second connecting step (26).

7. The housing for a gas water heater according to claim 2, wherein the first and second flanges (11, 12) are each provided with a plurality of first through holes (13), the first and second connecting steps (25, 26) are each provided with a plurality of second through holes (23) that are fitted with the plurality of first through holes (13), and the plurality of first through holes (13) and the plurality of second through holes (23) are connected by a connecting member.

8. The shell for the gas water heater as claimed in any one of claims 1-7, wherein a fifth folded edge (41) is formed by bending two sides of the face shell (1) towards the mounting cavity, the fifth folded edge (41) is provided with a protrusion (14), a sixth folded edge (42) is formed by bending two sides of the main body (24) towards the mounting cavity, and the sixth folded edge (42) is provided with a groove (27) matched with the protrusion (14).

9. The housing for a gas water heater according to claim 8, characterized in that a first mounting groove (241) for positioning a first end plate (21) is formed between the third flap (31) and the sixth flap (42), and a second mounting groove (242) for positioning a second end plate (22) is formed between the fourth flap (32) and the sixth flap (42).

10. The gas water heater housing as set forth in claim 8, wherein the first hanger (28) is provided at an edge thereof with a first reinforcing rim (281), and the first hanger (28) is further provided with a first reinforcing block (282), a first reinforcing rib (283) and a third through hole (284) for mounting.

11. The gas water heater housing according to claim 8, characterized in that the edge of the second hanger (29) is provided with a second reinforcing rim (291), and the second hanger (29) is further provided with a second reinforcing block (292) and a fourth through hole (293) for mounting.

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