CN211876375U

CN211876375U - Water heating equipment

Info

Publication number: CN211876375U
Application number: CN202020106435.5U
Authority: CN
Inventors: 杨磊; 李文东; 魏爱国; 赵润鹏; 康乐; 季善阁; 李羲龙
Original assignee: Qingdao Economic And Technology Development District Haier Water Heater Co ltd; Haier Smart Home Co Ltd; Qingdao Haier New Energy Electric Appliance Co Ltd
Current assignee: Qingdao Economic And Technology Development District Haier Water Heater Co ltd; Haier Smart Home Co Ltd; Qingdao Haier New Energy Electric Appliance Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-11-06
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a water heating equipment, which comprises an outer shell, the tip of shell has the port, be provided with the end cover subassembly in the port, the end cover subassembly includes: a support disposed within the port and secured to the housing, the support disposed circumferentially along an inner sidewall of the housing; the end cover is provided with a concave part which is concave downwards and a flanging part which is turned outwards from the upper end edge of the concave part, the outer side end edge of the flanging part is turned downwards to form a flange, and the end cover is supported on the supporting piece or the shell; and the maintenance cover is sleeved outside the end cover. The utility model discloses a system hot water equipment turns over a formation flange downwards through the outside end edge with the turn-ups portion of end cover, and maintenance lid cover is established in the end cover outside, and the gap that intakes between lid and the flange of need following the maintenance upwards walks away can get into the shell, and the flange has certain height, and the feedwater stream has increased certain stroke and resistance to the waterproof of end cover has been realized.

Description

Water heating equipment

Technical Field

The utility model belongs to the technical field of system hot water equipment.

Background

The service environment of the existing water heating equipment is a humid environment in many cases, for example, water vapor generated by bathing can be condensed into water drops on the outer surface of the water heating equipment, or the surface of a heat pump water heater placed on a balcony can be sprayed with rainwater in a rainy day environment. And control panel isoelectronic device is provided with in the shell, if water gets into the shell inboard, leads to the corruption easily and the electric leakage scheduling problem.

The existing end cover structure is mostly a sheet metal structure, the existing end cover structure is directly buckled on the shell, the maintenance cover is arranged on the end cover, the waterproof effect of the end cover is poor, the maintenance cover needs to be rotated to realize locking with the end cover or to remove the locking, if a rotating allowance space is left between the maintenance cover and the end cover, and water enters the gap between the maintenance cover and the end cover easily. If the two are sealed for waterproofing, the maintenance cover is difficult to rotate, and the disassembly and assembly are difficult.

Disclosure of Invention

The utility model discloses the end cover water-proof effects to the shell of system hot water equipment among the prior art is poor, has the problem of intaking easily, has provided a system hot water equipment, can solve above-mentioned problem.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a water heating apparatus comprising a housing having a port at an end thereof, the port having an end cap assembly disposed therein, the end cap assembly comprising:

a support disposed within the port and secured to the housing, the support disposed circumferentially along an inner sidewall of the housing;

the end cover is provided with a concave part which is concave downwards and a flanging part which is turned outwards from the upper end edge of the concave part, the outer side end edge of the flanging part is turned downwards to form a flange, and the end cover is supported on the supporting piece or the shell;

and the maintenance cover is sleeved outside the end cover.

Furthermore, a plurality of clamping grooves are formed in the upper surface of the flanging part and are distributed along the circumferential direction, a plurality of clamping jaws are formed on the lower surface of the maintenance cover and are arranged in one-to-one correspondence with the clamping grooves, the clamping jaws are inserted into the clamping grooves, and the maintenance cover and the end cover are locked or unlocked by rotating the maintenance cover.

Furthermore, a first support step protruding from the outer side of the rib is formed, the first support step circumferentially surrounds the rib for a circle, and the lower end of the maintenance cover is supported on the first support step.

Furthermore, the outer side end of the first supporting step is turned downwards to form a first turned edge, and the inner surface of the first turned edge is attached to the outer surface of the shell.

Further, the maintenance cover comprises a top cover and a side edge formed on the periphery of the top cover, and the lower end part of the side edge is supported on the first support step.

Further, a gap is formed between the rib and the side edge.

Further, a second supporting step is formed on the outer surface of the end portion of the outer shell, the second supporting step circumferentially surrounds the outer surface of the outer shell by a circle, and the lower end portion of the rib is supported on the second supporting step.

Furthermore, a plurality of supporting claws are formed on the supporting piece along the circumferential direction of the supporting piece, notches which correspond to the supporting claws one by one are formed in the end part of the shell, and the supporting claws are inserted into the notches corresponding to the supporting claws.

Furthermore, at least one positioning convex column is formed on the upper surface of the supporting piece, a positioning hole matched with the positioning convex column is formed in the end cover, and the positioning convex column is inserted into the positioning hole.

Further, a step with a high outer part and a low inner part is formed on the upper surface of the flanging part.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses a system hot water equipment turns over a formation flange downwards through the outside end edge with the turn-ups portion of end cover, and maintenance lid cover is established in the end cover outside, and the gap that intakes between lid and the flange of need following the maintenance upwards walks away can get into the shell, and the flange has certain height, and the feedwater stream has increased certain stroke and resistance to the waterproof of end cover has been realized.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a water heating apparatus provided by the present invention;

FIG. 2 is a split view of FIG. 1;

FIG. 3 is a split view of the end cap assembly of FIG. 2;

FIG. 4 is an assembled schematic view of the support member of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is an assembled schematic view of the end cap of FIG. 3;

FIG. 7 is a sectional view of the portion of FIG. 1 taken along line B;

FIG. 8 is an enlarged view of section C of FIG. 7;

FIG. 9 is a schematic view of the bottom structure of the service cover of FIG. 3;

fig. 10 is an enlarged view of the pawl of fig. 9.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The water heating equipment comprises electric heating, solar heating, heat pump heating and the like on the basis of a heating principle, the assembly position of some water heating equipment (such as an electric water heater) is close to the hot water using position, and water vapor generated by using hot water can be condensed into water drops on the outer surface of the water heating equipment. Or some hot water producing devices (such as a heat pump water heater) are placed on a balcony or outdoors, and the surface of the hot water producing device may be sprayed with rainwater in a rainy environment. These all run the risk of water entering the interior of the housing and corroding the internal circuitry.

First embodiment, this embodiment proposes a water heating apparatus, as shown in fig. 1 and fig. 2, which includes a housing 1, and an end of the housing 1 has a port 2, and for a cylindrical housing, the port 2 is located at an end of the cylindrical housing, and the port may be a port at one end or a port at both ends of the housing 1. An end cap assembly 3 is provided in the port 2, and the end cap assembly 3 is used for plugging the port 2 and isolating the inside of the housing 1 from the outside.

As shown in fig. 3, the end cap assembly 3 includes a support 31, an end cap 32, and a service cap 33. The supporting member 31 is disposed in the port 2 and fixed to the housing 1, as shown in fig. 4, the supporting member 31 is disposed along the inner side wall of the housing 1, and the supporting member 31 may be a closed structure or a non-closed structure, for example, implemented by using a plurality of non-connected supporting modules. The inner container (not shown in the figure) is assembled in the inner container cavity enclosed by the shell 1, which needs to be connected with an inlet and outlet water pipe or an electric control heating element, and the like, therefore, the port 2 cannot be completely sealed by the supporting piece 31, and a port communicated with the inner container cavity inside the shell 1 must be arranged in the middle of the port.

As shown in fig. 6, the end cap 32 has a concave portion 321 recessed downward and a flange portion 322 folded outward from the upper end of the concave portion 321, the outer end of the flange portion 322 is folded downward to form a flange 323, the end cap 32 is supported on the support member 31 or the housing 1, the concave portion 321 of the end cap 32 is provided with a through hole 324, and the through hole 324 is communicated with the gallbladder cavity inside the housing 1; the recess 321 forms a certain accommodating space, the through hole 324 can be used for assembling an electric heating tube or other devices, and an electric control device (not shown in the figure) is assembled in the recess 321.

As shown in fig. 3, the maintenance cover 33 is fitted over the end cap 32 and supported by the end cap 32 or the housing 1. The service cover 33 may completely close the port 2. The hot water making equipment of the embodiment is as shown in fig. 1, 7 and 8, the outer side end of the flanging part of the end cover 32 is turned downwards to form the rib 323, the maintenance cover 33 is sleeved outside the end cover 32, water needs to go upwards from a gap between the maintenance cover 33 and the rib 323, and enters the shell 1 after the height of the rib 323 is reached, the rib 323 has a certain height, a certain stroke and resistance are increased for water supply, so that the water is difficult to enter the shell 1, and the water prevention of the end cover assembly is realized.

Because the electric control device is assembled in the recess 321 of the end cap 32, in order to perform maintenance and inspection on the electric control device, the maintenance cap 33 needs to be detachably assembled, and can be detachably and fixedly connected with the end cap 32 or the housing 1. The fixing mode can adopt screw fixation or clamping fixation and the like. In order to reduce the influence of the holes on the surface of the maintenance cover 33 on the appearance, and prevent the holes from increasing the risk of water inflow, and the screws are easy to rust, the screws are preferably fixed by a rotary buckle in the embodiment.

As shown in fig. 6 and 9, a plurality of engaging grooves 325 are formed on the upper surface of the burring part 322, and since the maintenance cover 33 is locked or unlocked by rotating the maintenance cover 33, it is preferable that the plurality of engaging grooves 325 are arranged along the circumferential direction, a plurality of engaging claws 333 are formed on the lower surface of the maintenance cover 33, the engaging claws 333 are provided in one-to-one correspondence with the engaging grooves 325, and the engaging claws 333 are inserted into the engaging grooves 325 and locked or unlocked with the end cap 32 by rotating the maintenance cover 33. The locking or unlocking state switching of the service cover 33 is achieved by changing the direction of rotating the service cover 33.

It is understood that, as shown in fig. 10, the jaw 333 should have an arm portion 3331 connected to the lower surface of the maintenance cover 33 and a jaw portion 3332 connected to the arm portion 3331, the arm portion 3331 and the jaw portion 3332 are arranged in an L-shape, the inner side wall of the card slot 325 has a bayonet (not shown for reasons of angle), and the bayonet directions of all the card slots 325 are the same, after the jaw 333 is inserted into the card slot 325, the jaw portion 3332 is screwed into the bayonet by rotating the maintenance cover 33 in the direction in which the bayonet is opened, so as to lock the maintenance cover 33 and the end cap 32, and the maintenance cover 33 and the end cap 32 are unlocked by rotating the maintenance cover 33 in the opposite direction.

As shown in fig. 3 and 8, the maintenance cover 33 includes a top cover 331 and a side 332 formed on a circumference of the top cover 331, the maintenance cover 33 is sleeved outside the end cap 32 with an opening facing downward, and since the maintenance cover 33 needs to be rotated to lock or unlock the maintenance cover with the end cap 32, it is preferable that a gap is formed between the rib 323 and the side 332 in order to rotate the maintenance cover 33. Because flange 323 has certain height, the rivers route length of intaking includes the height of flange 323 at least, increases the degree of difficulty of intaking, and rivers route from bottom to top, and the intaking need overcome self gravity just can flow into to the shell inside, further increases the degree of difficulty of intaking, consequently, even if have the clearance between flange 323 and the side 332, outside water also hardly gets into the shell, and waterproof performance is good.

As shown in fig. 9, the lower surface of the service cover 33 is formed with a plurality of ribs 334 for increasing the supporting strength of the service cover 33.

As shown in fig. 8, in order to facilitate the support of the service cover 33, a first support step 326 is formed to protrude outside the rib 323, the first support step 326 surrounds the rib 323 in a circumferential direction, and a lower end portion of the service cover 33 is supported on the first support step 326. Specifically, the lower end portion of the side 332 of the service cover 33 is supported on the first support step 326. The lower end of the side 332 is preferably a flat structure that closely contacts the upper surface of the first support step 326 and is pressed downward by the gravity of the maintenance cover 33, which further increases the difficulty of water entering the gap between the rib 323 and the side 332.

The end cap 32 may be supported on the support 31 or the housing 1, and in order to improve the waterproof performance between the end cap 32 and the support 31 and prevent water from entering the housing 1 from a gap between the end cap 32 and the support 31, preferably, the support 31 is sunk below the edge of the port of the housing 1, and the first support step 326 is supported on the housing 1. Thus, the supporting member 31 can be completely covered in the space enclosed by the housing 1 and the end cap 32, and there is no gap between the supporting member 31 and the end cap 32, which may cause water to enter.

As shown in fig. 8, in order to improve the waterproof performance between the end cap 32 and the outer shell 1, the outer end of the first supporting step 326 is turned downward to form a first flange 327, and the inner surface of the first flange 327 is attached to the outer surface of the outer shell 1. The first flange 327 has a certain height, which can extend the water inlet path and increase the water inlet difficulty. Moreover, since the end cap 32 basically does not need to be frequently disassembled and assembled, and the convenience of disassembling the end cap is considered, the end cap 32 and the shell 1 can be waterproof by adopting an interference fit mode or a mode of arranging a sealing ring.

The end cap 32 is preferably made of a plastic material, and is easy to mold and low in manufacturing cost.

As shown in fig. 4 and 8, preferably, in the present embodiment, the outer surface of the end portion of the outer shell 1 is formed with a second supporting step 11, the second supporting step 11 circumferentially surrounds the outer surface of the outer shell 1, and the lower end surface of the rib 323 is supported on the second supporting step 11. And the step formed between the lower end face of the rib 323 and the first turned-over edge 327 is matched with the second supporting step 11, correspondingly, the inner surface of the rib 323 and the inner surface of the first turned-over edge 327 are respectively tightly attached to the outer surface of the shell 1, and the waterproof performance is improved.

The second supporting step 11 of the housing 1 has a section of end edge away from the port 2, so that the water inlet path can be extended. Meanwhile, the water path direction is from bottom to top, and the water can enter the shell only by overcoming the gravity of the water, so that the water inlet difficulty is increased. In addition, the end edge of the housing 1 above the second supporting step 11 is tightly attached to the rib 323, further increasing the difficulty of water inflow.

For the convenience of assembling the supporting member 31, as shown in fig. 5, a plurality of supporting claws 311 are formed on the supporting member 31 along the circumferential direction thereof, notches 12 corresponding to the supporting claws 311 one by one are formed at the end of the housing 1, and the supporting claws 311 are inserted into the corresponding notches 12 to support the supporting member 31 by the housing 1.

Since the end of the housing 1 has the second supporting step 11, the supporting claw 311 is in the notch 12, and the projection of the outer end of the supporting claw 311 toward the second supporting step 11 does not protrude from the supporting claw 311, and does not affect the lower end surface of the rib 323 to be supported on the second supporting step 11.

Because the end cover 32 needs to be provided with structures such as water inlet and outlet holes, and the position of the end cover must be strictly aligned with the corresponding structure on the liner, the assembly position of the end cover 32 is correspondingly and uniquely determined, and the assembly angle cannot be freely rotated. As shown in fig. 3 and 4, in order to facilitate assembling the end cap 32, it is preferable that at least one positioning boss 312 is formed on the upper surface of the supporting member 31, a positioning hole 328 matched with the positioning boss 312 is formed on the end cap 32, and the positioning boss 312 is inserted into the positioning hole 328. When assembling the end cap 32, only the positioning hole 328 is aligned with the positioning boss 312, so that the positioning boss 312 passes through the corresponding positioning hole.

Because the upper surface of whole end cover 32 all can be established in inside by maintenance lid 31 cover, be difficult to wet, the end cover 32 accessible screw after the location can with the bracing piece is fixed.

As shown in fig. 8, the upper surface of the burring 322 is formed with a step 329 having a high outer portion and a low inner portion. The step 329 comprises a first step surface 3221 positioned on the inner side and a second step surface 3222 positioned on the outer side, the corresponding positioning hole 328 is arranged on the first step surface 3221, and the height of the positioning convex column 312 can be reduced by reducing the height of the first step surface 3221, so that the materials are saved.

Second step surface 3222 is preferably inclined to have a low outer portion and a high inner portion, so as to increase the climbing path of the water inlet, and may further prevent the water from entering into housing 1.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A water heating apparatus comprising a housing having a port at an end thereof, an end cap assembly disposed in the port, the end cap assembly comprising:

and the maintenance cover is sleeved outside the end cover.

2. The water heating apparatus as claimed in claim 1, wherein a plurality of engaging grooves are formed on an upper surface of the burring part, the engaging grooves are arranged along a circumferential direction, a plurality of claws are formed on a lower surface of the service cover, the claws are arranged in one-to-one correspondence with the engaging grooves, and the claws are inserted into the engaging grooves and locked with or unlocked from the end cap by rotating the service cover.

3. The water heating apparatus according to claim 1, wherein the rib is formed at an outer side thereof with a first support step protruded, the first support step circumferentially surrounding the rib by one turn, and a lower end portion of the service cover is supported on the first support step.

4. The water heating apparatus according to claim 3, wherein an outer end of the first support step is folded downward to form a first flange, and an inner surface of the first flange is attached to an outer surface of the outer shell.

5. The water heating apparatus according to claim 3, wherein the service cover includes a top cover and a side formed around the top cover, a lower end of the side being supported on the first support step.

6. The water heating apparatus according to claim 5, wherein a gap is provided between the rib and the side edge.

7. The water heating apparatus according to claim 1, wherein the outer surface of the end portion of the outer shell is formed with a second supporting step circumferentially surrounding the outer surface of the outer shell by one turn, and the lower end portion of the rib is supported on the second supporting step.

8. The water heating apparatus according to any one of claims 1 to 7, wherein the supporting member has a plurality of supporting claws formed along a circumferential direction thereof, and the end of the housing has notches formed therein corresponding to the supporting claws one by one, and the supporting claws are inserted into the notches corresponding thereto.

9. The apparatus according to any of claims 1-7, wherein the supporting member has at least one positioning protrusion formed on an upper surface thereof, the end cap has a positioning hole formed thereon for engaging with the positioning protrusion, and the positioning protrusion is inserted into the positioning hole.

10. The water heating apparatus according to any one of claims 1 to 7, wherein the upper surface of the burring part is formed with a step having an outer height and an inner height.