CN218096618U - Shell of water heater and water heater - Google Patents

Abstract

The utility model belongs to the technical field of the water heater, a casing and water heater of water heater is specifically disclosed. The shell comprises a bottom shell and a face shell, the face shell comprises at least two sub-face shells with U-shaped structures, and the opening of each U-shaped structure faces the bottom shell; the bottom shell is provided with at least two clamping positions corresponding to each sub-surface shell, one of the at least two clamping positions is a main clamping position, the other clamping positions are auxiliary clamping positions, and two side parts of each sub-surface shell can be clamped in any corresponding clamping position; when all the sub-surface shells are clamped in the corresponding main clamping positions, the sub-surface shells are assembled side by side to shield parts in the shell; when any sub-panel shell is clamped at the corresponding auxiliary clamping position, at least part of the sub-panel shell is moved out of the main clamping position to expose part of parts. The water heater comprises the shell. The utility model discloses a casing and water heater of water heater can improve the dismouting convenience of casing face-piece, and improves the maintenance and the change convenience of water heater internal part.

Description

Shell of water heater and water heater

Technical Field

The utility model relates to a water heater technical field especially relates to a casing and water heater of water heater.

Background

The water heater generally has a shell, and each core component of the water heater is installed inside the shell, so that the shell forms the overall appearance of the water heater, and simultaneously provides protection for the core component.

The shell of the existing water heater is generally formed by buckling a bottom shell and a face shell, and is locked and fixed by adopting screws, so that the face shell is generally required to be detached when internal components of the water heater are detected, maintained and replaced. Because the water heater is usually installed at a higher position, a user is difficult to disassemble and install the face shell, and the maintenance of the water heater by the user is influenced; simultaneously, when the shell is nearer with indoor ceiling distance, the dismantlement of screw is also comparatively difficult, has further increased the degree of difficulty that the face-piece was dismantled and is installed, influences user's after-sale experience.

Therefore, a housing of a water heater and a water heater are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

One of the technical problems solved by the present invention is to provide a water heater casing, which can effectively solve the problem of inconvenient disassembly of the face shell of the existing water heater casing, improve the disassembly and assembly convenience of the face shell, and improve the maintenance and replacement convenience of the water heater internal components.

The utility model discloses the second of the technical problem who solves provides a water heater, and it can effectively solve the problem of current water heater inner part dismouting and maintenance difficulty, improves the maintenance and the change convenience of water heater inner part, improves the equipment convenience of water heater.

The first technical problem is solved by the following technical scheme:

a shell of a water heater comprises a bottom shell and a face shell, wherein the face shell comprises at least two sub-face shells of a U-shaped structure, and the opening of the U-shaped structure faces to the bottom shell;

the bottom shell is provided with at least two clamping positions corresponding to each sub-surface shell, one of the at least two clamping positions is a main clamping position, the other clamping positions are auxiliary clamping positions, and two side parts of each sub-surface shell can be clamped in any corresponding clamping position;

when all the sub-surface shells are clamped in the corresponding main clamping positions, the sub-surface shells are assembled side by side to shield parts in the shell;

when any sub-surface shell is clamped in the corresponding auxiliary clamping position, at least part of the sub-surface shell is moved out of the main clamping position to expose part of the parts.

Casing of water heater, compare with the background art, the beneficial effect who has is: the utility model provides a shell, through setting up a plurality of can block into or shift out the sub-facial shell that corresponds the main position that clamps, make when maintaining and changing the inside spare part of shell, can shift out the main position that clamps through the sub-facial shell that will wait to maintain the spare part department of changing, make the spare part that waits to maintain and change expose and can conveniently maintain and change the spare part, need not to carry out the whole dismantlement to the facial shell, also need not to dismantle or other operations to the sub-facial shell of other positions department, improve the maintenance and the change convenience of the inside spare part of shell; meanwhile, the sub-surface shell can be clamped to the auxiliary clamping position, so that the sub-surface shell moved out of the main clamping position can be clamped to the auxiliary clamping position, parts can be conveniently maintained and replaced, the sub-surface shell does not need to be detached from the bottom shell, the problem that the sub-surface shell is easy to drop or lose due to the fact that the sub-surface shell is detached and placed to other positions can be avoided, an operator can conveniently take and place the sub-surface shell, and the assembly and disassembly efficiency, the assembly and disassembly convenience and the comfort of the sub-surface shell are improved; moreover, the sub-surface shell can be fixed with the bottom shell in a clamping mode, namely, screws are not needed to fasten the sub-surface shell and the bottom shell, so that the use of screw members is reduced, the cost is reduced, the situations that a dismantling tool is inconvenient to use due to the installation position and the like are prevented, the limitation of the installation position on maintenance and disassembly is reduced, the disassembly and maintenance convenience of the surface shell is improved, and the assembly and disassembly convenience of the shell are improved; finally, through setting up the sub-face shell of U type for the casing can mainly be through sub-face shell parcel spare part, thereby when sub-face shell was dismantled, the spare part that corresponds with this sub-face shell can be exposed by most, when reducing the casing to sheltering from and spare part is overhauld of spare part, the casing is to the sheltering from of operator's sight, thereby can increase the maintenance scope of spare part, improves the convenience that the spare part overhauld, improves maintenance efficiency.

In one embodiment, two side portions of the sub-surface shell are opposite and spaced in a first direction, all the clamping positions corresponding to the same sub-surface shell are spaced in a vertical direction, and the first direction is perpendicular to the vertical direction.

In one embodiment, a plurality of limiting grooves are formed in both sides of the bottom shell along the first direction, all the limiting grooves on the same side are arranged at intervals along the first direction, and the limiting grooves extend along the vertical direction;

the two side parts of each sub-surface shell are respectively inserted into the corresponding limiting grooves on the two sides in a sliding manner, so that the sub-surface shells can be switched between the main clamping position and the auxiliary clamping position in a sliding manner, and at least two adjacent sub-surface shells can slide to be sleeved inside and outside.

In one embodiment, the bottom shell is provided with a pair of clamping structures corresponding to each clamping position, and the pair of clamping structures comprise bayonets arranged on two opposite sides of the bottom shell along the first direction;

two of son face shell the lateral part can be received withdraw from during the extrusion force of first direction the bayonet socket is followed the spacing groove slides, just son face shell can slide to just right during the bayonet socket, block into under self elastic restoring force effect the bayonet socket.

In one embodiment, sliding portions are arranged on two sides of the bottom shell along the first direction, protruding ribs are convexly arranged on the sliding portions, the protruding ribs extend along the vertical direction and are arranged at intervals along the first direction, and the limiting grooves are formed between every two adjacent protruding ribs.

In one embodiment, the two ribs which together form the limiting groove are respectively a first rib and a second rib, the first rib extends along a direction towards the second rib to form a limiting plate part, and the limiting plate part is provided with the bayonet communicated with the limiting groove;

the limiting plate portion and the second convex rib are arranged at intervals to form a front side notch of the limiting groove, the bayonet is communicated with the front side notch, and the tail end of the side portion penetrates through the front side notch in a sliding mode and is limited between the limiting plate portion and the groove bottom of the limiting groove.

In one embodiment, the casing further comprises a stopper, the stopper is detachably connected with the bottom shell, and the stopper can stop the sub face shell from exiting the clamping position.

In one embodiment, the stopper comprises a bead portion which corresponds to the stopper groove one by one, extends in the vertical direction and is capable of detachably blocking the front-side notch.

In one embodiment, the stop piece further comprises a connecting part, the connecting part is positioned outside the limiting groove, and the lower ends of all the pressing strip parts positioned on the same side are connected with the connecting part;

and/or the stop piece is clamped with the bottom shell.

The second technical problem is solved by the following technical scheme:

a water heater comprising a housing as described above.

Compared with the prior art, the water heater has the advantages that: the utility model provides a water heater through adopting above-mentioned casing, can improve the inside spare part maintenance of casing and the convenience of changing, also improves casing dismouting convenience simultaneously.

Drawings

Fig. 1 is a schematic structural view of a housing according to an embodiment of the present invention when a panel housing is in a first state;

fig. 2 is a bottom view of the housing according to the embodiment of the present invention;

fig. 3 is a schematic partial structural view of a housing according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at I;

fig. 5 is a schematic view of a split structure of a housing according to an embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at J;

fig. 7 is a sectional view of a housing provided by an embodiment of the present invention;

fig. 8 is a partial enlarged view at K in fig. 7.

Description of reference numerals:

1. a bottom case; 11. a sliding part; 12. a limiting groove; 121. a first groove portion; 1211. a limiting groove wall; 122. a second groove portion; 123. a front side notch; 13. a rib is protruded; 14. a limit plate portion; 15. a bayonet; 16. a second clamping part;

2. a face shell; 21. a child face shell; 211. a housing main body; 2111. a main panel portion; 2112. a side plate part; 2113. a notch; 212. a sliding plate section;

3. a stopper; 31. pressing a strip part; 32. a connecting portion; 33. a first clamping part;

4. and an end plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1, the embodiment of the utility model provides a casing of water heater, it can be applied to in the water heater, uses as the shell of water heater, and structures such as combustion chamber, automatically controlled box in the water heater all set up inside the casing to make the casing provide the protection to the core component in the water heater. The water heater may be, but is not limited to, a gas water heater, a gas wall-hanging stove, or the like.

As shown in fig. 1 and fig. 2, the housing includes a bottom shell 1 and a face shell 2, wherein the bottom shell 1 is used for installing internal components of the water heater such as the electronic control box, and the face shell 2 is connected to the bottom shell 1 in a buckling manner, so that the face shell 2 and the bottom shell 1 surround to form an installation cavity for installing the internal components of the water heater. Specifically, the face shell 2 includes at least two sub-face shells 21 of U-shaped structure, the opening of the U-shaped structure faces the bottom shell 1; the bottom shell 1 is provided with at least two clamping positions corresponding to each sub-surface shell 21, one of the at least two clamping positions is a main clamping position, the rest are auxiliary clamping positions, and two side parts of each sub-surface shell 21 can be clamped in any corresponding clamping position; when all the sub-surface shells 21 are clamped in the corresponding main clamping positions, the sub-surface shells 21 are assembled side by side to shield parts in the shell; when any sub-panel shell 21 is clamped in the corresponding auxiliary clamping position, the sub-panel shell 21 is at least partially moved out of the main clamping position to expose part of components.

According to the shell provided by the embodiment, the plurality of the sub-surface shells 21 which can be clamped into or moved out of the corresponding main clamping positions are arranged, so that when parts in the shell are maintained and replaced, the sub-surface shells 21 at the parts to be maintained and replaced can be moved out of the main clamping positions, the parts to be maintained and replaced can be conveniently maintained and replaced by exposing the parts to be maintained and replaced, the integral disassembly of the surface shells is not needed, the disassembly or other operations of the sub-surface shells 21 at other positions are also not needed, and the convenience for maintaining and replacing the parts in the shell is improved; meanwhile, the sub-surface shell 21 can be clamped to the auxiliary clamping position, so that the sub-surface shell 21 which is moved out of the main clamping position can be clamped to the auxiliary clamping position, parts can be maintained and replaced conveniently, the sub-surface shell 21 does not need to be detached from the bottom shell 1, the problem that the sub-surface shell 21 is easy to drop or lose due to the fact that the sub-surface shell 21 is detached and placed to other positions can be avoided, an operator can take and place the sub-surface shell 21 conveniently, and the dismounting efficiency, the dismounting convenience and the comfort of the sub-surface shell 21 are improved; moreover, the sub-surface shell 21 can be fixed with the bottom shell 1 in a clamping mode, namely, screws are not needed to fasten the sub-surface shell 21 and the bottom shell 1, the use of screw members is reduced, the cost is reduced, the situations that a dismantling tool is inconvenient to use due to the installation position and the like are prevented, the limitation of the installation position on maintenance and dismantling is reduced, the dismantling and maintenance convenience of the surface shell is improved, and the assembling and dismantling convenience of the shell is improved; finally, through setting up the sub-face shell 21 of U type for the casing can mainly wrap up spare part through sub-face shell 21, thereby when sub-face shell 21 was dismantled, the spare part that corresponds with this sub-face shell 21 can be exposed by most, when reducing the casing and overhauing spare part to the sheltering from of spare part, the casing is to the sheltering from of operator's sight, thereby can increase the maintenance scope of spare part, improve the convenience that spare part overhauld, improve maintenance efficiency.

In one embodiment, the two side portions of the sub-panel shell 21 are opposite and spaced in the first direction, all the clamping positions corresponding to the same sub-panel shell 21 are spaced in the vertical direction, and the main clamping positions of all the sub-panel shells 21 are arranged side by side in the vertical direction, and the first direction is perpendicular to the vertical direction. That is, this kind of mode of setting for all sub-face shells 21 all clamp when the main position of clamping, all sub-face shells 21 assemble in vertical direction, thereby can further improve the convenience of spare part dismouting maintenance.

In other embodiments, the two side portions of the sub-panel shell 21 may also be spaced in the vertical direction, all the clamping positions corresponding to the same sub-panel shell 21 are spaced in the first direction, and the main clamping positions of all the sub-panel shells 21 are spaced in the first direction, so that when all the sub-panel shells 21 are clamped in the main clamping positions, all the sub-panel shells 21 are assembled side by side in the first direction. For a water heater, the first direction is the left-right direction of the water heater.

As shown in fig. 4 to 6, in order to improve the convenience of switching the sub-panel housing 21 between the main clamping position and the auxiliary clamping position, a plurality of limiting grooves 12 are respectively formed on both sides of the bottom housing 1 along the first direction, all the limiting grooves 12 on the same side are arranged at intervals along the first direction, and the limiting grooves 12 extend along the vertical direction. Two side parts of each sub-surface shell 21 are respectively inserted into the corresponding limiting grooves 12 on two sides in a sliding manner, so that the sub-surface shells 21 can be switched between the main clamping position and the auxiliary clamping position in a sliding manner, and at least two adjacent sub-surface shells 21 can slide to be sleeved inside and outside.

Due to the arrangement, the sub-panel shell 21 can slide in the vertical direction relative to the bottom shell 1, so that the sub-panel shell 21 can be switched between the main clamping position and the auxiliary clamping position in a sliding manner, the sub-panel shell 21 is prevented from being dismounted from the bottom shell 1, the convenience and the efficiency of moving out and recovering the sub-panel shell 21 to the main clamping position are improved, and the probability of dismounting and maintaining parts in the shell is further reduced; meanwhile, the arrangement of the limiting groove 12 is beneficial to guiding the sliding of the sub-surface shell 21 relative to the bottom shell 1, so that the smoothness and reliability of the sliding of the sub-surface shell 21 are ensured, and the two sub-surface shells 21 can be better ensured to be capable of sliding to the state of being sleeved inside and outside; moreover, when the sub-surface shell 21 is clamped to the auxiliary clamping position, the sub-surface shell 21 and the other sub-surface shell 21 are sleeved in and out, so that the shielding of the sub-surface shell 21 moved out of the main clamping position on the sight line or operation of an operator can be further reduced, and the maintenance and replacement convenience of parts is improved.

In another embodiment, the sub-surface shell 21 may not be slidably connected to the bottom shell 1, and the sub-surface shell 21 may be removed from the main mounting position and then mounted in the auxiliary mounting position; the sub-panel shell 21 is restored to the main card mounting position by unloading the sub-panel shell 21 from the auxiliary card mounting position and then mounting the sub-panel shell into the main card mounting position.

In another embodiment, the sub-surface shell 21 may also be rotatably connected to the bottom case 1, that is, the sub-surface shell 21 is rotatably connected to the bottom case 1 to switch between the main card mounting position and the auxiliary card mounting position.

As shown in fig. 4 and 6, the limiting groove 12 preferably penetrates the bottom case 1 downward, so that the sub-face case 21 can be inserted into or withdrawn from the limiting groove 12 through the lower end notch of the limiting groove 12, and when a certain sub-face case 21 needs to be dismounted, the sub-face case 21 can be slid downward to withdraw from the limiting groove 12, thereby further reducing the difficulty of dismounting and mounting the sub-face case 21, reducing the operation space and position requirements for dismounting the sub-face case 21, and improving the dismounting convenience of the sub-face case 21.

In order to further improve the convenience of maintenance and replacement of parts inside the housing, the number of the clamping positions corresponding to each sub-surface shell 21 is the same as that of the sub-surface shells 21, and the clamping positions corresponding to all the sub-surface shells 21 are arranged in one-to-one correspondence in the first direction. From this, when a sub-face shell 21 shifts out the main position of clamping, it can move to the position of establishing with the overcoat in arbitrary other sub-face shell 21, can make many sub-face shells 21 all can the overcoat be in the same place to can make two or more sub-face shells 21 can shift out the main position of clamping simultaneously and expose more spare parts, further improve the maintenance efficiency of spare part, also can overhaul the inside great spare part of casing more conveniently.

In one embodiment, the bottom case 1 is provided with a pair of clamping structures corresponding to each clamping position, and the pair of clamping structures comprise bayonets 15 arranged on two opposite sides of the bottom case 1 along the first direction; two lateral parts of the sub-surface shell 21 can exit the bayonet and slide along the limiting groove 12 when being extruded in the first direction, and the sub-surface shell 21 can be clamped into the bayonet 15 under the action of self elastic restoring force when sliding to just face the bayonet.

Through setting up bayonet 15, bayonet 15 can be blocked in to sub-face shell 21 when sliding to bayonet 15 department to make bayonet 15's lateral wall can restrict sub-face shell 21 and continue to slide relative drain pan 1, realize clamping of sub-face shell 21 and drain pan 1, guarantee the stability of face shell 2 when first state, avoid sub-face shell 21 to drop at will, improve the use reliability of casing. Meanwhile, due to the arrangement, the sub-surface shell 21 can automatically enter the bayonet 15 when sliding on the limiting groove 12 to be aligned with the bayonet 15, so that the convenience of clamping the sub-surface shell 21 and the bottom shell 1 is improved; when the sub-surface shell 21 needs to be slid, the sub-surface shell 21 can slide in the limiting groove only by applying the extrusion acting force in the first direction to the sub-surface shell 21 and enabling the two side parts of the sub-surface shell 21 to exit from the bayonets 15 on the corresponding sides and enter the limiting groove 12, so that the convenience of sliding and clamping the sub-surface shell 21 is improved.

It can be understood that the sub-surface shell 21 is a thin shell structure, which can deform along the first direction under the action of the external force in the first direction, that is, two sides of the sub-surface shell 21 along the first direction can move close to and away from each other under the action of the external force.

In an embodiment, the bayonet 15 is opened on an outer side groove wall of the limiting groove 12, that is, a side groove wall of the limiting groove 12 away from the center of the bottom case 1, and when the sub-face shells 21 are not subjected to an external force in the first direction, a distance between the two sub-face shells 21 is greater than a distance between two limiting grooves 12 in the same group. That is, when the two opposite sides of the sub-panel 21 approach each other under the external force in the first direction, the two sides of the sub-panel 21 can be inserted into the two limiting grooves 12, respectively, and when the external force applied to the sub-panel 21 is removed and the sub-panel 21 slides to align with the bayonet 15, the two sides of the sub-panel 21 are clamped into the bayonet 15 under the elastic restoring force. Therefore, the operator can apply the pressing force along the first direction to the sub-surface shell 21 conveniently to promote the deformation of the sub-surface shell 21. In other embodiments, the bayonet 15 may also be opened on the inner groove wall of the limiting groove 12.

As shown in fig. 4 and 6, in order to better prevent the sub-surface case 21 from falling out of the limiting groove 12 from the direction away from the bottom case 1, the limiting groove 12 preferably includes a first groove portion 121 and a second groove portion 122 which are communicated with each other, the second groove portion 122 is located on the side of the first groove portion 121 facing the sub-surface case 21, and the groove width of the first groove portion 121 is larger than that of the second groove portion 122. The sub-surface shell 21 includes a shell main body 211, the two sides of the shell main body 211 along the first direction are respectively bent to form a sliding plate portion 212, the sliding plate portions 212 are slidably inserted into the first groove portions 121, and the side portions of the shell main body 211 are slidably inserted into the second groove portions 122.

The first slot portion 121 and the second slot portion 122 are arranged such that a position-limiting slot wall 1211 facing the slot bottom of the first slot portion 121 is formed at a communication position of the first slot portion 121 and the second slot portion 122, the position-limiting slot wall 1211 is arranged at an interval with the slot bottom of the first slot portion 121, the sliding plate portion 212 can be inserted into the position-limiting slot 12 from the lower end notch of the position-limiting slot 12 and is limited between the slot bottom of the position-limiting slot 12 and the position-limiting slot wall 1211, and therefore the position-limiting slot wall 1211 can limit the sliding plate portion 212 to be separated from the position-limiting slot 12 in a direction away from the slot bottom, i.e., away from the bottom case 1, and the assembly reliability of the sub-face case 21 and the position-limiting slot 12 is improved.

In an embodiment, the stopper groove wall 1211 is located outside the second groove portion 122, and the sliding plate portion 212 is formed by folding the end of the housing main body 211 outward, so that the visibility of the sliding plate portion 212 inserted into the first groove portion 121 can be improved, and the insertion convenience can be improved. In other embodiments, the stopper groove wall 1211 may be located inside the second groove 122, and the sliding plate portion 212 may be formed by folding back the end of the housing main body 211.

As shown in fig. 1 and 6, opposite sides of the bottom case 1 in the first direction each have a sliding portion 11, and a mounting area for mounting internal components of the water heater is formed between the two sliding portions 11. Two spacing grooves 12 of each spacing groove subassembly set up respectively on two sliding part 11, and a plurality of spacing grooves 12 on each sliding part 11 all set up along first direction interval. Preferably, on the same sliding portion 11, the distance between two adjacent limiting grooves 12 is greater than 0.5mm and less than 10mm, so as to ensure the reliability of the separation between the two limiting grooves 12, and avoid the problem that the distance between two adjacent sub-surface shells 21 is too large and the width of the sliding portion 11 in the first direction is large due to too large distance between the limiting grooves 12, improve the appearance attractiveness of the assembled shell, and reduce the size of the bottom shell 1 in the first direction.

For the setting of convenient spacing groove 12, the protruding muscle 13 that is equipped with is protruding along the direction of sub-face-piece casing 21 to sliding part 11, and protruding muscle 13 extends along vertical direction and is provided with a plurality ofly along the first direction interval, forms above-mentioned spacing groove 12 between two adjacent protruding muscle 13. This kind of setting is favorable to reducing the thickness demand to drain pan 1 on guaranteeing the basis of 12 groove depths in spacing groove, can also increase the structural strength of sub-face-piece 21 in the both sides department of first direction through the setting of protruding muscle 13 simultaneously, improves structural reliability. In other embodiments, the stopper groove 12 may be formed directly in the sliding portion 11.

Two protruding muscle 13 in two protruding muscle 13 that form same spacing groove 12 are first protruding muscle and second protruding muscle respectively, and first protruding muscle has spacing board 14 along the direction extension towards the protruding muscle of second, sets up the bayonet socket 15 with spacing groove 12 intercommunication on the spacing board 14. Spacing board 14 sets up in order to form the front side notch 123 of spacing groove 12 with the interval of second protruding muscle, bayonet 15 and front side notch 123 intercommunication, and the terminal slip of lateral part is worn to locate front side notch 123 and is spacing between the tank bottom of spacing board 14 and spacing groove 12.

Above-mentioned setting for form second slot part 122 between spacing board 14 and the second protruding muscle, spacing board 14, first protruding muscle and the first slot part 121 of second protruding muscle surround formation, simultaneously, also do benefit to bayonet 15's setting.

In an embodiment, each of the limiting plate portions 14 extends along the vertical direction, a plurality of bayonets 15 are spaced apart from each other along the vertical direction of each of the limiting plate portions 14, the number of the bayonets 15 on the same limiting plate portion 14 is the same as the number of the sub-surface shells 21, and the bayonets 15 of all the limiting plate portions 14 are arranged in a one-to-one correspondence manner in the first direction. The arrangement can reduce the processing difficulty and improve the universality; meanwhile, due to the arrangement of the plurality of bayonets 15, each sub-panel shell 21 can be clamped at a plurality of positions when sliding, so that the sub-panel shell 21 can be clamped at the sleeving position when sliding to be sleeved with another sub-panel shell 21, and the sub-panel shell 21 is prevented from sliding randomly.

As shown in fig. 5 and 6, in an embodiment, the case main body 211 includes a main panel portion 2111 facing and spaced from the bottom case 1, two sides of the main panel portion 211 in the first direction are bent in a direction toward the bottom case 1 to form two side plate portions 2112, and a distal end of each side plate portion 2112 is folded to form a sliding plate portion 212. The side plate portion 2112 is slidably inserted into the stopper groove 12 and can be caught in the catch 15.

Preferably, the width of the bayonet 15 in the first direction is equal to the thickness of the side plate portion 2112, so that when the side plate portion 2112 is snapped into the bayonet 15, the side plate portion 2112 can completely exit the second slot portion 122, and the stability and reliability of the snap-fit of the sub-surface housing 21 and the bottom housing 1 are improved.

Optionally, notches 2113 are formed at two ends of the side plate portion 2112 in the vertical direction, the side plate portion 2112 forms an insertion plate portion between the two notches 2113, the length of the insertion plate portion in the vertical direction is equal to the length of the bayonet 15 in the vertical direction, the height of the insertion plate portion is equal to the depth of the limiting groove 12, so that the insertion plate portion is clamped into the bayonet 15 and abutted against two opposite side walls of the bayonet 15 in the vertical direction, when the insertion plate portion is clamped into the bayonet 15, two ends of the housing main body 211 in the vertical direction can abut against the surface of the limiting plate portion 14, and the clamping stability of the sub-surface housing 21 in the bayonet 15 is further improved.

As shown in fig. 6-8, in order to further improve the stability of the sub-front shell 21 and the bottom shell 1, the housing further includes a stopper 3, the stopper 3 is detachably connected to the bottom shell 1, and the stopper 3 can stop the sub-front shell 21 from exiting from the clamping position.

As shown in fig. 6 and 8, in an embodiment, the stopper 3 includes the bead portion 31, the bead portions 31 are disposed in one-to-one correspondence with the stopper grooves 12, and the bead portions 31 can detachably block the front side notch 123. By inserting the bead portion 31 into and blocking the front side notch 123, the side portion of the case main body 211 can be prevented from moving from the bayonet 15 into the front side notch 123, and thus, both sides of the sub-surface case 21 can be ensured to be stably clamped at the bayonet 15. When the sub-surface shell 21 needs to slide, the bead part 31 is drawn out of the front side notch 123, so that the side part of the sub-surface shell 21 can be withdrawn from the bayonet 15 to the front side notch 123, and the sub-surface shell 21 slides along the limiting groove 12. That is, by providing the stopper 3, the mounting stability of the sub-surface case 21 and the bottom case 1 can be further ensured, and the convenience of the sliding operation of the sub-surface case 21 can be improved.

Preferably, the width of the bead part 31 is equal to the width of the front side notch 123, and the bead part 31 is inserted into the front side notch 123 to block the front side notch 123, so as to improve the stability of the assembled housing. More preferably, after the bead portion 31 is inserted into the front-side notch 123, the surface of the bead portion 31, the surface of the rib 13, and the surface of the stopper plate portion 14 are flush.

As shown in fig. 6, the stopper 3 further includes a connecting portion 32, the connecting portion 32 is located outside the stopper groove 12, and the lower ends of the bead portions 31 at the same-side sliding portion 11 are each connected to the connecting portion 32, thereby enabling a plurality of bead portions 31 to be simultaneously drawn out or fitted to the corresponding front-side notch 123. In other embodiments, the plurality of bead portions 31 may be separately provided, that is, each bead portion 31 may be individually extracted or inserted, so as to slide the sub-surface shell 21 at the corresponding position of the stopper groove 12. Further, all bead portions 31 are connected to a connecting portion 32, that is, the bead portions 31 on both sides can be operated in synchronization.

In an embodiment, the stopper 3 is detachably connected to the bottom case 1 to ensure the connection stability of the pressing bar and the bottom case 1. Preferably, the stopper 3 is provided with a first engaging portion 33, each side sliding portion 11 is provided with a second engaging portion 16, and the first engaging portion 33 and the second engaging portion 16 are engaged. One of the first clamping portion 33 and the second clamping portion 16 is a clamping groove, and the other is a clamping protrusion. Through stop member 3 and drain pan 1 joint, can further improve the dismantlement convenience of stop member 3 and drain pan 1.

In an embodiment, the first engaging portion 33 is an engaging protrusion, the second engaging portion 16 is an engaging groove, the engaging protrusion is connected to the connecting portion 32, and is preferably an L-shaped structure, one end of the L-shaped structure is connected to the connecting portion 32, and the other end of the L-shaped structure is engaged in the engaging groove 16.

In an embodiment, the bottom case 1 is a vertically arranged plate-shaped structure, which can simplify the structure of the bottom case 1, and most of the components inside the casing are covered by the sub-face case 21, so that the range of the exposed components after the sub-face case 21 is removed from the main card position is enlarged, and the convenience of maintenance and replacement of the components is improved.

In other embodiments, the bottom case 1 may have a U-shaped structure with an opening facing the sub-face case 21. And two side parts of the bottom shell 1 are respectively clamped with two side parts of the sub-surface shell 21.

The upper end and the lower end of the bottom shell 1 are both vertically connected with the end plates 4 to seal the upper end and the lower end of the shell, the appearance attractiveness of the structure is improved, the integrity of the whole structure of the shell is improved, and the probability of exposure of parts inside the shell is effectively reduced when the shell is normally used, so that better protection is provided for the parts. In a projection plane perpendicular to the vertical direction, the projection of the end plate 4 in the projection plane is located in the projection outline of any sub-panel shell 21 in the projection plane, so that any sub-panel shell 21 can slide over the end plate 4, and the influence of the arrangement of the end plate 4 on the sliding of the sub-panel shell 21 is avoided. Preferably, the two end plates 4 are identical in shape and size to reduce machining costs.

When two sub-face shells 21 suit, the interval between two sub-face shells 21 is preferred to be greater than 0 and be less than 1mm, avoids when the casing equipment back that finishes, and the whole aesthetic property of casing that leads to is worsened to the too big and problem that the interval between sub-face shell 21 is too big, reduces outside steam, dust, impurity etc. and enters into the inside probability of casing, reduces the contaminated probability of the inside spare part of casing, improves the safety in utilization and the clearance convenience of casing and the inside spare part of casing.

Preferably, when the panel 2 is in the first state, the projection parts of the two adjacent sub-panel shells 21 in the vertical plane are overlapped, so that the gap between the sub-panel shells 21 can be further reduced, the appearance attractiveness is improved, the waterproof and dustproof performance is enhanced, the probability that external water vapor, dust, impurities and the like enter the inside of the shell is reduced, the probability that parts inside the shell are polluted is reduced, and the use safety and the cleaning convenience of the shell and the parts inside the shell are improved.

In one embodiment, the upper and lower ends of each sub-surface shell 21 are connected with sealing strips, and the sealing strips extend along the corresponding end edges of the sub-surface shells 21 and protrude towards the inner sides of the sub-surface shells 21. Through setting up the sealing strip, can reduce or the shutoff clearance between two adjacent sub-surface shells 21, further improve the waterproof dustproof performance of casing. The shape of the sealing strip is consistent with the shape of the end of the sub-surface shell 21, and the sealing strip is preferably made of soft materials such as rubber and silica gel.

The embodiment also provides a water heater, which comprises the shell. Other structures of water heater can refer to prior art and set up, this not the utility model discloses a key, no longer give unnecessary details here.

In the detailed description of the above embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the above 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.

The details of the foregoing embodiments are merely representative of several embodiments of the present invention, which are described in more detail and detail, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A shell of a water heater is characterized by comprising a bottom shell (1) and a face shell (2), wherein the face shell (2) comprises at least two sub-face shells (21) of a U-shaped structure, and the opening of the U-shaped structure faces to the bottom shell (1);

the bottom shell (1) is provided with at least two clamping positions corresponding to each sub-surface shell (21), one of the at least two clamping positions is a main clamping position, the other clamping positions are auxiliary clamping positions, and two side parts of each sub-surface shell (21) can be clamped in any corresponding clamping position;

when all the sub-surface shells (21) are clamped in the corresponding main clamping positions, the sub-surface shells (21) are assembled side by side to shield parts in the shell;

when any sub-surface shell (21) is clamped in the corresponding auxiliary clamping position, the sub-surface shell (21) is at least partially moved out of the main clamping position to expose part of the parts.

2. The case according to claim 1, wherein two side portions of the sub-face shell (21) are opposite and spaced in a first direction, all the clamping positions corresponding to the same sub-face shell (21) are spaced in a vertical direction, and the main clamping positions of all the sub-face shells (21) are spaced in the vertical direction, and the first direction is perpendicular to the vertical direction.

3. The shell according to claim 2, wherein a plurality of limiting grooves (12) are formed in both sides of the bottom shell (1) along the first direction, all the limiting grooves (12) on the same side are arranged at intervals along the first direction, and the limiting grooves (12) extend along the vertical direction;

the two side parts of each sub-surface shell (21) are respectively inserted into the corresponding limiting grooves (12) on the two sides in a sliding manner, so that the sub-surface shells (21) can be switched between the main clamping position and the auxiliary clamping position in a sliding manner, and at least two adjacent sub-surface shells (21) can be sleeved inside and outside in a sliding manner.

4. The case according to claim 3, wherein said bottom shell (1) is provided with a pair of clipping structures corresponding to each of said clipping positions, a pair of clipping structures comprising a clipping opening (15) provided on two opposite sides of said bottom shell (1) along said first direction;

two of sub-face shell (21) the lateral part can receive withdraw from during the extrusion force of first direction the bayonet socket is followed spacing groove (12) slide, just sub-face shell (21) can slide to just right during the bayonet socket, block into under self elastic restoring force effect bayonet socket (15).

5. The shell according to claim 4, wherein sliding portions (11) are arranged on two sides of the bottom shell (1) along the first direction, a plurality of convex ribs (13) are arranged on the sliding portions (11) in a protruding manner, the convex ribs (13) extend along the vertical direction and are arranged at intervals along the first direction, and the limiting grooves (12) are formed between two adjacent convex ribs (13).

6. The shell according to claim 5, wherein the two ribs (13) which together form the limiting groove (12) are a first rib and a second rib, respectively, the first rib extends along a direction towards the second rib to form a limiting plate portion (14), and the limiting plate portion (14) is provided with the bayonet (15) communicated with the limiting groove (12);

spacing board portion (14) with the interval of second protruding muscle sets up in order to form front side notch (123) of spacing groove (12), bayonet socket (15) with front side notch (123) intercommunication, the end of lateral part slides and wears to locate front side notch (123) and spacing in spacing board portion (14) with between the tank bottom of spacing groove (12).

7. The case according to claim 6, characterized in that it further comprises a stop (3), said stop (3) being removably connected to said bottom shell (1) and said stop (3) being able to stop said sub-face shell (21) from exiting said snap-fitting position.

8. The housing according to claim 7, characterized in that the stop (3) comprises bead portions (31), the bead portions (31) corresponding one-to-one to the retaining grooves (12), the bead portions (31) extending in the vertical direction and being capable of detachably blocking the front side notches (123).

9. The housing according to claim 8, characterized in that the stop element (3) further comprises a connecting portion (32), the connecting portion (32) being located outside the retaining groove (12), the lower ends of all bead portions (31) located on the same side being connected to the connecting portion (32);

and/or the stop piece (3) is clamped with the bottom shell (1).

10. A water heater comprising a housing as claimed in any one of claims 1 to 9.

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